Wildfire season is upon us, and smoke is reducing air quality through swaths of the country. Environment Canada suggests ...

An air quality advisory that was set to last through Monday has been lifted, air district officials said. Over the weekend, ...

Wildfire smoke billows south from the Prairies and moves into Ontario. Air quality is at a 10 for the GTA and surrounding ...

California to Host Series of Public Sessions in Effort to Advance Progress on Zero Emission Vehicle Adoption – First Meeting ...

The 'unhealthy for sensitive groups' air quality in Chicago comes as an air quality alert was issued for the entire state of ...

The Bay Area Air District extended an air quality advisory Saturday for the Bay Area through Monday because of smoke from wildfires burning in the northern Sacramento Valley. Firefighters from the ...

The Bay Area Air District extended an air quality advisory through Monday because of smoke from wildfires burning in the ...

A veteran San Mateo County Sheriff's Office sergeant -- who is a witness in proceedings against Sheriff Christina Corpus -- has been placed on administrative leave, according to the ...

An air quality advisory that was set to last through Monday has been lifted, air district officials said. Over the weekend, smoke from the Butler and Green wildfires in the Sacramento Valley impacted ...