Drought conditions in most of California will worsen air quality and increase airborne particulates like dust and pollen.

The Climate Prediction Center's recent dire drought outlook for California and the western United States has some more bad news: The dry, hot conditions will worsen air quality and introduce more ...

The electrification of trains has led to a significant reduction in toxic black carbon. A new study published in Environmental Science and Technology Letters has revealed that switching from ...

Read more on our AI policy here. At 7:50 a.m. on Thursday, the NWS Phoenix AZ reported an air quality alert in effect until Saturday at midnight. The alert is for Imperial County Southwest ...

Languages: English. The red-level air quality index (AQI) category—covering values from 151 to 200—means the air is unhealthy for everyone, not just vulnerable populations. According to the ...

The national capital's air quality was in the moderate category at 9 am, with an Air Quality Index (AQI) reading of 147, the Central Pollution Control Board said. An AQI between zero and 50 is ...