Air quality in Los Angeles has improved as the Palisades and ... As for schools, Patel says many schools updated HVAC systems ...

Bangkok was ranked as the fourth most polluted city in the world, according to IQAir. The air quality index (AQI) in Bangkok reached 188 and PM2.5 was as high as 108 µg/m³, indicating unhealthy air ...

The virus winter season has struck—and COVID-19 is still part of everyday life. However, unlike during the pandemic, we now ...

This measure, based on data from the Environmental Protection Agency, evaluates states on the number of days the Air Quality Index in counties was not rated “good.” U.S. News calculated a ...

JOSH EDELSON/AFP via Getty Images As wildfires decimate communities across Los Angeles County, high winds and smoke are bringing air quality ... as those worn during the COVID-19 pandemic, are ...

There's confusion over how safe air quality is in L.A. as fires continue to burn, spewing wildfire smoke and toxins. We look at air quality readings, what's real and what's not and what people can do.