As NASA prepares to return to the moon, studying astronaut health and safety is a top priority. Scientists monitor and ...

The red-level air quality index (AQI) category—covering values from 151 to 200—means the air is unhealthy for everyone, not ...

An air quality alert was reported by the NWS San Diego CA on Thursday at 12:22 p.m. in effect until Saturday at midnight for ...

On Wednesday at 3:35 p.m. an air quality alert was reported by the NWS Greenville-Spartanburg SC in effect until Thursday at ...

The NWS San Diego CA reported an air quality alert at 11:08 a.m. on Wednesday in effect until Thursday at 8 p.m. for ...

At 3:35 p.m. on Wednesday, the NWS Greenville-Spartanburg SC reported an air quality alert in effect until Thursday at ...

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

Lingering smoke from prairie fires left air quality being temporarily deemed unhealthy the morning of April 16 in the Topeka area.

Dry, unproductive coughing that worsens at night, disrupts sleep, or is paired with chest discomfort, shortness of breath, or ...

Experts and environmentalists have long pointed out that Delhi’s approach to air pollution tends to be reactive ...

A new drought outlook, released by a coalition of state and federal agencies, paints a concerning picture for California’s spring: worsening air quality fueled by dry soils, gusty winds and an uptick ...

Operations at the Valero refinery in Solano County may be shut down as soon as next year, the petroleum producer announced ...