An air quality alert was issued on Thursday at 3:31 p.m. in effect until Friday at 7:15 a.m. The alert is for Burke Mountains ...

The advisories impact large areas of Idaho, Oregon, Montana and Washington, lasting through the end of January.

An air quality alert was issued on Tuesday at 5:03 a.m. for Josephine County.

If you have been hearing about poor air quality in New York City Friday, you can breathe a deep sigh of relief (literally): ...

Toxic smoke and dangerous particulate pollution are spreading far beyond the flames, leaving air quality at unhealthy levels ...

On Friday at 10:36 a.m. an air quality alert was issued valid until Saturday at 10:45 a.m.

The San Diego APCD has extended an air quality alert due to increased fine particle pollution from wildfire smoke for San ...

To combat rising pollution, the Commission for Air Quality Management (CAQM) reimposed Stage 3 of the Graded Response Action ...

So far, the Thai government’s efforts to improve its air quality have failed to address the systemic causes of the problem.

Delhi recorded an average AQI of 350 at 6 AM on Friday. The increasing pollution in the region led the Commission for Air ...

Dhaka, the overcrowded capital city of Bangladesh, has ranked the fifth on the list of cities with the worst air quality with ...

Learn what the air quality index (AQI) means, how it impacts your health, and how to stay safe when pollution is high.