Federal and state public health and regulatory agencies contributed to the guidance document the County of San Diego put ...

"This past summer, the community experienced an unprecedented increase in the intensity of odors resulting from high sewage flows, inadequate infrastructure maintenance, and extreme heat," said SDAPCD ...

Communities adjacent to the polluted Tijuana River can now check both the air around them for contamination before they decide to venture outdoors. The region’s air pollution cops just released […] ...

Overall particulate levels have not been unhealthy, according to the Environmental Protection Agency’s daily index, but the ...

Now you can access hyperlocal air quality index (AQI) information directly from the Google Maps app. Heres how.