Though wildfire smoke was to blame for poor air quality earlier in the week, Wednesday and Thursday's alerts are due to high ...

Though wildfire smoke was to credit for poor air quality earlier in the week, Wednesday's alert is due to high-levels of ...

Wildfires in Canada are sending heavy smoke across the northern U.S., and New Jersey is experiencing some unhealthy air ...

Northeast Ohio is under an air quality alert until midnight Monday, August 4. Here's what's causing the poor air quality and ...

Another air quality alert is in effect Tuesday for NYC, western Long Island, the Hudson Valley, northwest New Jersey and ...

Concern for poor air quality in the greater Chicago area remains as the Illinois EPA extends its alert until Thursday night.

Red flag warnings remain in place for parts of Nevada, Utah, Colorado and Wyoming due to very dry conditions, low humidity ...

Smoke from hundreds of wildfires in Canada is lingering over the northern U.S., spreading across to roughly a dozen states ...

Smoke from the Gifford Fire was hovering over parts of the county, causing sooty air quality and possible ash exposure ...

The air quality in several U.S. states is taking a hit as smoke floats over the border from the Canadian wildfires. Here's ...

Air quality significantly impacts our health and well-being, yet it often goes unnoticed until it visibly worsens. Relying on ...

This changed the window of what is considered “good” air on the Air Quality Index. Those EPA guidelines are almost double those of the World Health Organization guidelines, which are a stricter 5 PM 2 ...