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A building with a plaque reading United STates Environmental Protection Agency next to a glass door and elegant lanterns.
ripe pineapple fruits in a row on shelves.
group of people walking inside building without lights.
Blue and brown bird on gray wooden fence during daytime.
I live in California. How do I know it's safe to go outside?
www.nytimes.com

I live in California. How do I know it's safe to go outside?

A high-tech sensor network brought me closer to the natural cycles of my environment.
How PurpleAir became essential to California air quality monitoring

How PurpleAir became essential to California air quality monitoring

PurpleAir’s network of air quality monitors and its real-time map have provided vital information to people looking to avoid bad health outcomes.
How bad is the air in California? As wildfires rage on, it's hard to tell
www.washingtonpost.com

How bad is the air in California? As wildfires rage on, it's hard to tell

The 2019 wildfires have laid bare the drawbacks to an air quality monitoring system designed more for measuring large swaths of land over time than for providing real-time, localized data that is more valuable in disasters like wildfires.
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