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Aaron Sawdey, Ph.D.Holy N95, Batman!Hopefully the ventilation in this A340-300 improves when we are underway. <a href="https://fosstodon.org/tags/co2" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#co2</a> <a href="https://fosstodon.org/tags/airquality" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#airquality</a>

nationalparksViews of water today: Point Reyes National Seashore. Learn more at <a href="https://www.nps.gov/pore/index.htm" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://www.nps.gov/pore/index.htm</a> and <a href="https://sfba.social/tags/nps" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#nps</a> <a href="https://sfba.social/tags/nationalparks" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#nationalparks</a> <a href="https://sfba.social/tags/ocean" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#ocean</a> <a href="https://sfba.social/tags/publiclands" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#publiclands</a> <a href="https://sfba.social/tags/photography" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#photography</a> <a href="https://sfba.social/tags/landscapephotography" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#landscapephotography</a> <a href="https://sfba.social/tags/pointreyes" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#pointreyes</a> Image credit National Park Service Air Quality Web Camera Network <a href="https://sfba.social/tags/california" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#california</a> <a href="https://sfba.social/tags/lighthouse" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#lighthouse</a> <a href="https://sfba.social/tags/clouds" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#clouds</a> <a href="https://sfba.social/tags/research" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#research</a> <a href="https://sfba.social/tags/airquality" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#airquality</a>

IT NewsAqMood is an Air Quality Monitor with an Attitude - You take your air quality seriously, so shouldn’t your monitoring hardware? If you... - <a href="https://hackaday.com/2025/03/27/aqmood-is-an-air-quality-monitor-with-an-attitude/" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://hackaday.com/2025/03/27/aqmood-is-an-air-quality-monitor-with-an-attitude/</a> <a href="https://schleuss.online/tags/environmentalmonitor" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#environmentalmonitor</a> <a href="https://schleuss.online/tags/addressableleds" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#addressableleds</a> <a href="https://schleuss.online/tags/airquality" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#airquality</a> <a href="https://schleuss.online/tags/homehacks" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#homehacks</a> <a href="https://schleuss.online/tags/ledhacks" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#ledhacks</a> <a href="https://schleuss.online/tags/emoji" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#emoji</a>

Paul Houle🍳 In LA, cooking emissions rival fossil fuels as ozone pollution source<a href="https://phys.org/news/2025-03-la-cooking-emissions-rival-fossil.html" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://phys.org/news/2025-03-la-cooking-emissions-rival-fossil.html</a><a href="https://mastodon.social/tags/pollution" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#pollution</a> <a href="https://mastodon.social/tags/airquality" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#airquality</a> <a href="https://mastodon.social/tags/la" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#la</a> <a href="https://mastodon.social/tags/cooking" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#cooking</a> <a href="https://mastodon.social/tags/california" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#california</a> <a href="https://mastodon.social/tags/environment" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#environment</a> <a href="https://mastodon.social/tags/ozone" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#ozone</a>

Definitely Doc DOver half of US states get more electricity from <a href="https://urbanists.social/tags/cleanenergy" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#cleanenergy</a> than coal.28 states total, including:Oklahoma Kansas South DakotaCoal is the worst <a href="https://urbanists.social/tags/fossilfuel" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#fossilfuel</a> for environment (and public health). 20 years ago, over half of US electricity came from coal. Once again: clean energy investment and policy helps red states, too. <a href="https://urbanists.social/tags/wind" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#wind</a> <a href="https://urbanists.social/tags/solar" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#solar</a> <a href="https://urbanists.social/tags/coal" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#coal</a> <a href="https://urbanists.social/tags/climatechange" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#climatechange</a> <a href="https://urbanists.social/tags/publichealth" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#publichealth</a> <a href="https://urbanists.social/tags/airquality" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#airquality</a> <a href="https://www.canarymedia.com/articles/clean-energy/chart-states-more-power-wind-solar-coal" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://www.canarymedia.com/articles/clean-energy/chart-states-more-power-wind-solar-coal</a>

Headlines AfricaAfrica: Air Quality in Africa: Challenges, Impact, and Innovative Monitoring Solutions: [InfoWire] Africa is facing an increasingly urgent crisis in air quality, leading to devastating effects on the public health and the environment. Due to the continent's rapid urbanization and industrialization, harmful pollutants are found in living areas like schools and work environments. This article will look at… <a href="http://newsfeed.facilit8.network/TJjzTg" rel="nofollow noopener noreferrer" translate="no" target="_blank">http://newsfeed.facilit8.network/TJjzTg</a> <a href="https://journa.host/tags/AirQuality" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#AirQuality</a> <a href="https://journa.host/tags/Africa" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Africa</a> <a href="https://journa.host/tags/PublicHealth" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#PublicHealth</a> <a href="https://journa.host/tags/EnvironmentalImpact" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#EnvironmentalImpact</a> <a href="https://journa.host/tags/Urbanization" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Urbanization</a>

Pixel is the smallest dragonConclusions: If I partially fill my humidifier, leave it running all night, with my doors closed, the CO2 should be avoided and the humidity is closer to the 50% range for a longer period than in previous experiments. This study doesn't recommend an average of 1000 ppm or higher when sleeping without impacting cognitive function by way of sleep quality. So far I have only been looking at peak values not an average over night. <a href="https://www.sciencedirect.com/science/article/pii/S0360132323011459" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://www.sciencedirect.com/science/article/pii/S0360132323011459</a>This article from a reliable open air quality data source states: "If your bedroom doors are open and your apartment is below 1,500ppm for part of the night/day, it won't cause those health effects." <a href="https://www.iqair.com/us/newsroom/the-co2-levels-are-high-in-my-bedroom-during-the-night-what-should-i-do" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://www.iqair.com/us/newsroom/the-co2-levels-are-high-in-my-bedroom-during-the-night-what-should-i-do</a>Ultimately, a few hours of exposure may be fine.Future experiments: measure the amounts of water when partially filling the tank (instead of eyeballing it as I have been doing)<a href="https://post.lurk.org/tags/humidity" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#humidity</a> <a href="https://post.lurk.org/tags/airGradient" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#airGradient</a> <a href="https://post.lurk.org/tags/airQuality" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#airQuality</a> <a href="https://post.lurk.org/tags/openSource" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#openSource</a> <a href="https://post.lurk.org/tags/openHardware" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#openHardware</a>

Pixel is the smallest dragonExperiment: If I partially fill my humidifier, leave it running all night, with my doors closed, how does the CO2 and humidity respond?CO2: increases to around 1000 around midnight, as expected. Though, it continues to levels higher than past experiments, peaking at 1550 ppm. The rate of increase starts to decrease around where the water presumably runs out of the humidifier. It seemed to taper off around where the water began to run out in the humidifier. Humidity: increases to around 50% as expected. Humidity begins to disperse when the water runs out. The humidifier has a fan on it. Unsure if leaving the fan on with no water is helping or harming. The humidifier usually uses a full tank if I leave it on it's lowest setting all night, so I knew that partially filling it meant that it would run out. <a href="https://post.lurk.org/tags/humidity" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#humidity</a> <a href="https://post.lurk.org/tags/airGradient" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#airGradient</a> <a href="https://post.lurk.org/tags/airQuality" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#airQuality</a> <a href="https://post.lurk.org/tags/openSource" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#openSource</a> <a href="https://post.lurk.org/tags/openHardware" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#openHardware</a>

VisiblAir🚆🚌 Air quality monitoring on the go! Bruce from Vancouver has been using his co2.click sensor on public transit and in healthcare settings to stay informed about the air he’s breathing. 😷💨He shared some great constructive feedback—wishing the button placement was different and considering a DIY protective cover (bicycle inner tube, anyone? 😆). We love hearing how our sensors are used in the real world and turning feedback into action! 💡✨Bruce’s suggestions are now on our list of improvements as we continue refining our designs. Got a creative mod or suggestion? Drop it in the comments! 📢👇<a href="https://zeroes.ca/tags/AirQuality" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#AirQuality</a> <a href="https://zeroes.ca/tags/RightToBreathe" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#RightToBreathe</a> <a href="https://zeroes.ca/tags/co2click" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#co2click</a> <a href="https://zeroes.ca/tags/CustomerFeedback" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#CustomerFeedback</a> <a href="https://zeroes.ca/tags/ContinuousImprovement" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#ContinuousImprovement</a>

Jiří EischmannA local ordinance has banned grass burning because it poisons the air and kills insects, and there are organic waste bins on every corner. Unfortunately, the effect is just the opposite. People who aren't selfish idiots didn't burn grass even before, and the rest burn even more now to show that they aren't obedient sheep and that no one is going to take away their freedom to poison the air for their neighbors. This graph shows what it does to the <a href="https://social.vivaldi.net/tags/airquality" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#airquality</a>. It immediately jumps from OK to unhealthy.

Jorge SaturnoThe Clean Air Fund just published a detailed policy report on <a href="https://mastodon.pub.solar/tags/BlackCarbon" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#BlackCarbon</a> "Tackling Black Carbon: How to Unlock Fast Climate and Clean Air Benefits"<a href="https://www.cleanairfund.org/resource/tackling-black-carbon-report/" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://www.cleanairfund.org/resource/tackling-black-carbon-report/</a><a href="https://mastodon.pub.solar/tags/ClimateCrisis" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#ClimateCrisis</a> <a href="https://mastodon.pub.solar/tags/AirQuality" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#AirQuality</a>

Ethical RevolutionLondon Begins to Breathe Better<a href="https://ethicalrevolution.co.uk/london-begins-to-breathe-better/" rel="nofollow noopener noreferrer" target="_blank">[Read on Ethical Revolution]</a><a rel="nofollow noopener noreferrer" href="https://www.london.gov.uk/programmes-strategies/environment-and-climate-change/environment-and-climate-change-publications/london-wide-ultra-low-emission-zone-one-year-report" target="_blank">A study by the Greater London Authority</a> has shown that the city’s levels of lethal pollutants have substantially decreased since the expansion of the UK capital’s ultra low emission zone (Ulez).The London-wide zone covers nine million people across 1500 km2, the world’s largest zone of its kind. The report shows that not only have deprived areas seen some of the biggest improvements but air quality has improved in all areas and at a faster rate than the rest of the country.Nitrogen dioxide is down 27% since Ulez first came in in 2019. PM2.5’s (small particle emissions) are down 31% in outer London compared to what would have been without the Ulez expansion.Speaking to the Guardian, Mayor of London, Sadiq Khan said, “When I was first elected, evidence showed it would take 193 years to bring London’s air pollution within legal limits if the current efforts continued. However, due to our transformative policies we are now close to achieving it this year.” <a href="https://ethicalrevolution.co.uk/london-begins-to-breathe-better/" rel="nofollow noopener noreferrer" target="_blank">[Via Ethical Revolution]</a><a rel="nofollow noopener noreferrer" class="hashtag u-tag u-category" href="https://ethicalrevolution.co.uk/tag/airquality/" target="_blank">#AirQuality</a> <a rel="nofollow noopener noreferrer" class="hashtag u-tag u-category" href="https://ethicalrevolution.co.uk/tag/london/" target="_blank">#London</a> <a rel="nofollow noopener noreferrer" class="hashtag u-tag u-category" href="https://ethicalrevolution.co.uk/tag/nitrogendioxide/" target="_blank">#NitrogenDioxide</a> <a rel="nofollow noopener noreferrer" class="hashtag u-tag u-category" href="https://ethicalrevolution.co.uk/tag/pm25s/" target="_blank">#PM25s</a> <a rel="nofollow noopener noreferrer" class="hashtag u-tag u-category" href="https://ethicalrevolution.co.uk/tag/ulez/" target="_blank">#ULEZ</a>

ts 🚉<a href="https://mastodon.online/@universalhub" class="u-url mention" rel="nofollow noopener noreferrer" target="_blank">@universalhub</a> let’s keep building our bike network, Boston! It benefits everyone - even when some parking goes away.<a href="https://thepit.social/tags/airQuality" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#airQuality</a> <a href="https://thepit.social/tags/BosPoli" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#BosPoli</a> <a href="https://thepit.social/tags/Boston" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Boston</a> <a href="https://thepit.social/tags/business" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#business</a> <a href="https://thepit.social/tags/transportation" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#transportation</a>

RDNThe concentration of airborne lead is associated with infant mortality through the first year of life. Potentially associated effects include low birth weight, SIDS, and respiratory and nervous system deficits.Summary: <a href="https://www.cmu.edu/news/stories/archives/2025/february/infant-mortality-tied-to-concentration-of-lead-in-air" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://www.cmu.edu/news/stories/archives/2025/february/infant-mortality-tied-to-concentration-of-lead-in-air</a>Original paper: <a href="https://www.nber.org/papers/w33447" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://www.nber.org/papers/w33447</a><a href="https://floss.social/tags/Science" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Science</a> <a href="https://floss.social/tags/Health" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Health</a> <a href="https://floss.social/tags/Lead" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Lead</a> <a href="https://floss.social/tags/Pollution" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Pollution</a> <a href="https://floss.social/tags/AirPollution" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#AirPollution</a> <a href="https://floss.social/tags/AirQuality" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#AirQuality</a> <a href="https://floss.social/tags/InfantMortality" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#InfantMortality</a> <a href="https://floss.social/tags/Pregnancy" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Pregnancy</a>

MediaFaro AnalysisWant to breathe Europe’s cleanest air? Move to Estonia.Barely a dozen countries in the world have air deemed safe to breathe — just one of them is in the European Union.Time to layer up and move to Estonia.The Northern European country is the only nation in the bloc with levels of air pollution considered safe under World Health Organization guidelines, a new report by Swiss air quality technology company IQAir finds.<a href="https://mediafaro.org/article/20250311-want-to-breathe-europes-cleanest-air-move-to-estonia?mf_channel=mastodon&action=forward" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://mediafaro.org/article/20250311-want-to-breathe-europes-cleanest-air-move-to-estonia?mf_channel=mastodon&action=forward</a><a href="https://mastodon.mediafaro.org/tags/Estonia" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Estonia</a> <a href="https://mastodon.mediafaro.org/tags/Pollution" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Pollution</a> <a href="https://mastodon.mediafaro.org/tags/AirQuality" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#AirQuality</a> <a href="https://mastodon.mediafaro.org/tags/EU" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#EU</a> <a href="https://mastodon.mediafaro.org/tags/Europe" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Europe</a>

AI6YR BenCarthage, MO... off the scales bad air right now. <a href="https://m.ai6yr.org/tags/AQI" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#AQI</a> <a href="https://m.ai6yr.org/tags/Airquality" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Airquality</a> <a href="https://m.ai6yr.org/tags/dust" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#dust</a> <a href="https://m.ai6yr.org/tags/duststorm" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#duststorm</a>

Pixel is the smallest dragon- The apartment ventilation can be scheduled through the thermostat - The ventilation doesn't seem to have significant benefits for reducing CO2 or maintaining humidity, but it could be worth continuing to experiment - Experiments will continue in about a week, because I'm going to have some inconsistency the next few daysFuture experiments: - Run humidifier overnight with the ventilation on - Open the window with the ventilation on to see how fast CO2 and humidity might be lost (is it more effective to leave the window open for long periods to reduce CO2 or for shorter periods with the vent, in order to maintain humidity)I'm not as focused on temperature data but here it is in case you want it. You can see that the night with the vent lost heat faster. <a href="https://post.lurk.org/tags/humidity" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#humidity</a> <a href="https://post.lurk.org/tags/airGradient" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#airGradient</a> <a href="https://post.lurk.org/tags/airQuality" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#airQuality</a> <a href="https://post.lurk.org/tags/openSource" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#openSource</a> <a href="https://post.lurk.org/tags/openHardware" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#openHardware</a>

Pixel is the smallest dragonDay 3's Night Humidity Experiment: If I close the doors at night without the humidifier running prior, is the humidity lower than if the humidifier on? A: Not really, it's still around 40-41%, but it could be due to the temperature. Overall, this is still low from the desired 50%Day 4's Afternoon Humidity Experiment: If I turn on the apartment ventilation with doors open, does the humidity lower over one hour (implying large amounts of dry air)? A: Somewhat, humidity dropped from 41 to 39%. It seems like too short of a time to be significant.Day 4's Night Humidity Experiment: If I turn the apartment ventilation on from 12-8 am in an enclosed room when the CO2 usually reaches 900 PPM + levels, does it reduce the humidity compared to the room without ventilation? A: The humidity was about the same from 39-40%, though it's harder to sustain 40% with the ventilation. It's possible that the humidifier could work in conjunction.<a href="https://post.lurk.org/tags/humidity" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#humidity</a> <a href="https://post.lurk.org/tags/airGradient" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#airGradient</a> <a href="https://post.lurk.org/tags/airQuality" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#airQuality</a> <a href="https://post.lurk.org/tags/openSource" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#openSource</a> <a href="https://post.lurk.org/tags/openHardware" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#openHardware</a>

Pixel is the smallest dragonDay 3's Night CO2 Experiment: If I close the doors at night without the humidifier running prior, is the air quality lower than if the humidifier on? A: Not really, it's still around 1.2k PPM, higher than 980 PPM with the doors open.Day 4's Afternoon CO2 Experiment: If I turn on the apartment ventilation, does the CO2 lower over one hour (implying large amounts of fresh air)? A: At first, it decreased but overall increased. Eventually, I had to open windows.Day 4's Night CO2 Experiment: If I turn the apartment ventilation on from 12-8 am in an enclosed room when the CO2 usually reaches 900 PPM + levels, does it reduce the CO2 compared to the room without ventilation? A: Only a little, turning on the ventilation lowered the CO2 from 1.4k PPM to 1.2k PPM, but it is still above 1000 PPM. I could try to run the ventilation starting 10 pm and see if it improves?Side note: CO2 drops when I'm not in my apartment, I'm not interested in controlling for this. The CO2 drops faster with the vent on while the window is open rather than the window alone, I'm not sure about the humidity costs. <a href="https://post.lurk.org/tags/humidity" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#humidity</a> <a href="https://post.lurk.org/tags/airGradient" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#airGradient</a> <a href="https://post.lurk.org/tags/airQuality" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#airQuality</a> <a href="https://post.lurk.org/tags/openSource" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#openSource</a> <a href="https://post.lurk.org/tags/openHardware" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#openHardware</a>

Rich Stein (he/him)Do hold your breath: administration unveils sweeping environment rollbacks. <a href="https://phys.org/news/2025-03-trump-administration-unveils-environment-rollbacks.html" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://phys.org/news/2025-03-trump-administration-unveils-environment-rollbacks.html</a> <a href="https://mastodon.social/tags/EPA" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#EPA</a> <a href="https://mastodon.social/tags/pollution" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#pollution</a> <a href="https://mastodon.social/tags/ClimateChange" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#ClimateChange</a> <a href="https://mastodon.social/tags/ClimateCrisis" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#ClimateCrisis</a> <a href="https://mastodon.social/tags/USpol" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#USpol</a> <a href="https://mastodon.social/tags/USpolitics" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#USpolitics</a> <a href="https://mastodon.social/tags/PublicHealth" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#PublicHealth</a> <a href="https://mastodon.social/tags/AirQuality" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#AirQuality</a>

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