Saddle Sense started as a King's College London dissertation and is now collecting nearly 1M data points from bike-mounted air quality sensors across London. The result? Street-by-street air pollution maps that help cyclists cut their exposure by 20-70%.
This is what citizen science looks like in practice: https://www.kcl.ac.uk/saddle-sense-real-time-air-quality-data-for-cyclists-by-cyclists
Local Haze
Local Haze crowdsources air quality data and monitors over 30,000 sensors across 6 continents. Free download for iOS: https://apps.apple.com/us/app/local-haze/id1278998405
#TBT to revisit a popular Local Haze blog post: “Health impacts of air quality: Interview with Dr. Nicholas Newman”. Dr Newman is Director, Environmental Health and Lead Clinic, Cincinnati Children’s Hospital. His work continues to bridge the gap between environmental science and pediatric health.
https://localhaze.humanlogic.com/2023/10/15/health-impacts-of-air-quality-interview-with-dr-nicholas-newman/
Know Your Air: US EPA Power Plant Rollbacks Explained
The EPA recently repealed stronger mercury limits for power plants & proposed scrapping greenhouse gas standards - reversing protections finalized in 2024:
https://www.lung.org/blog/powerplant-emissions-rollback
#ThrowbackThursday to the Local Haze X feed to a story that perfectly captures an example use case and why we built Local Haze. 🍩
Air quality isn't just a climate stat. It's a neighborhood experience.
https://x.com/localhaze/status/2005131378774724655
We just released a complete guide to building your own air quality monitor! The AirGradient Open Air kit gives you professional-grade monitoring - and it's easy to assemble. This #DIY approach empowers you to understand the quality of the air you're breathing.
Watch here: https://youtu.be/TJaCsNKdOAE
Coming soon! Here’s a sneak peek of another video from Local Haze that will drop soon, demonstrating how simple it is to assemble your own AirGradient outdoor air quality monitor. We are working on the final edits now - stay tuned!
#TBT Tampa meeting 🌴 testing Local Haze gift card designs - from concept to card stock. Clean design for clean air data, made accessible.
https://localhaze.humanlogic.com/ #AirQuality
As 2025 comes to a close, we're grateful to the incredible community that has helped make this year remarkable for Local Haze!
https://localhaze.humanlogic.com/2025/12/31/the-end-of-2025-happy-holidays-from-local-haze/
Delhi air pollution: Singapore, UK and Canada issue advisory
http://m.timesofindia.com/articleshow/125973138.cms
What the Air You Breathe May Be Doing to Your Brain via #NewYorkTimes
https://www.nytimes.com/2025/11/01/health/alzheimers-dementia-air-pollution.html?unlocked_article_code=1.8U8.i3S-.rQQ9yR3ZCXQU&smid=url-share
Thousands Advised To Remain Indoors in Florida, Georgia and Oregon via Newsweek
https://www.newsweek.com/thousands-advised-remain-indoors-florida-georgia-oregon-air-pollution-epa-11200248
The latest blog post from AirGradient spotlights Local Haze! Read the blog post by Ethan Brooke here: https://www.airgradient.com/blog/local-haze/
#AirQuality #CitizenScience #OpenData #EnvironmentalMonitoring #CleanAir
Thousands Advised To Stay Inside in Texas, Indiana
https://www.newsweek.com/thousands-advised-stay-inside-texas-indiana-air-pollution-epa-ozone-11128447 via Newsweek
Rereading a dog-eared copy of Peter Robinson’s 2004 detective novel Playing with Fire - the 14th book in the Inspector Banks series. In Chapter 1, a fire investigator warns Inspector Banks about air quality at a crime scene—particulate matter in ash requiring masks. #AirQuality
Read our article in this month's the bridge news: “Low-cost air quality monitors can minimize growing wildfire smoke impacts”
https://localhaze.humanlogic.com/wp-content/uploads/sites/4/2025/11/Nov2025-websitec.pdf#page=17
Here’s a sneak peek of a video that the Local Haze team is working on — showing how to assemble your own AirGradient Ltd. outdoor air quality monitor! The full video will be ready soon. Follow Local Haze to be notified when the video is released. #DIY #AirQuality #AirGradient
#TBT to the 2024 Upwind Downwind Conference in Hamilton, ON! We loved learning from air quality experts and chatting about how communities can track and improve local air pollution. Big thanks to Health Canada for sharing their awesome infographic on outdoor air pollution! #airpollution
Pollution is spreading again across the U.S. for the first time in 5 years — a reminder that clean air is something we share. When one community breathes easier, we all do. #AirQuality
#TBT to our interview with artist Christina Battle, whose exhibition “the air we breathe” at Gallery 44 in #Toronto explored the invisible realities of the air around us. Dive into the full interview via the Local Haze blog: https://localhaze.humanlogic.com/2023/02/21/seeing-the-air-we-breathe-an-interview-with-artist-christina-battle/
Local Haze now supports real-time air quality data from AirGradient Ltd. sensors — giving users even greater visibility into what they’re breathing.
Get real-time push notifications when there's a significant change in local air quality, and make better-informed decisions to protect your health.
Available for iPhone and Apple Watch: https://localhaze.humanlogic.com/
What if ecological data wasn't just measured — but experienced?
New on the Local Haze blog: a conversation with Glorianna Davenport & Brian Mayton of Living Observatory on sensor networks, interdisciplinary collaboration, and documenting the arc of wetland restoration in #Massachusetts:
https://localhaze.humanlogic.com/2026/03/17/from-pixels-to-wetlands-a-discussion-with-glorianna-davenport-and-brian-mayton-from-living-observatory/
#Wetlands #EcologicalRestoration #DigitalStorytelling #OpenData #EnvironmentalTech #LivingObservatory #LocalHaze
Clean air isn't a luxury - it's worth fighting for. The people of #Rosharon showed up - and WON. A win for clean air in Fort Bend County, #Texas
https://www.citizen.org/news/community-opposition-drives-victory-over-planned-rock-crusher-in-fort-bend-county/
#Community #CleanAir #AirPollution
The air is full of DNA — here’s what scientists are using it for https://www.nature.com/articles/d41586-026-01099-2
The number is always climbing - but today, Local Haze is tracking over 34,000 air quality sensors across six continents, because clean air is a universal concern - and by the time you read this, that sensor tally number has probably already changed. #LocalHaze #AirQuality #CleanAir