The EPA measures regional air quality index (AQI) by how hazardous it is to the general public. Discover the AQI in your city by searching below.

Erin Davis/Axios Visuals Air quality in the Twin Cities is getting worse, according to year-over-year data. Why it matters: Long-term exposure to poor air quality is harmful to your health. By the ...

Indicators like the Air Quality Index (AQI), commonly used to track air pollution levels, provide a rough sense of the ...

Decision by county commissioners to cut funding ends long-term data collection on methane, nitrogen oxides and VOCs at Boulder Reservoir.

A new grassroots effort just started tracking pollution in. Learn more, including how you can get involved, here.

The Border 2 Fire, which flared to life yesterday afternoon near Otay Mountain, has now grown to over 5,000 acres. The ...

Calculating air pollution from wildfires and other events has become more complicated. That doesn’t mean it’s necessarily ...

Research and coursework in the Air Quality track encompass a broad range of topics from air quality monitoring, climate change, atmospheric chemistry and dynamics, and health impacts, to air pollution ...

Silver Cross has just introduced Smart Stroll, a wireless air quality monitor and route tracker which has been designed to increase parent wellbeing and enable smarter strolls with your little ones.