Cook County is under a heat watch through Thursday evening. Temperatures could feel like 105-110 degrees Wednesday.

EDT on Tuesday, the National Weather Service reported an air quality alert in effect until Thursday at midnight EDT for ...

The Mid-Ohio Regional Planning Commission issued an air quality alert July 15, 2025, for central Ohio, including Columbus, ...

Sensitive groups are advised to stay indoors and limit outdoor activities as pollution and ozone levels spike to unhealthy ...

Multiple U.S. states and Canadian provinces are experiencing poor air quality from wildfire smoke. Here's where.

The National Weather Service has issued both a heat and air quality alert for most of downstate New York, Wednesday, July 16.

At 9:13 a.m. on Wednesday, the National Weather Service reported an air quality alert in effect until Thursday at midnight ...

The National Weather Service reported an air quality alert at 3:46 p.m. on Tuesday in effect until Wednesday at 11:15 p.m.

EDT the National Weather Service reported an air quality alert in effect until Thursday at 1:30 a.m. EDT for Cass and Berrien ...

A smoke map from NOAA shows Colorado will be almost entirely covered with smoke on Thursday as wildfires burn thousands of ...

Saskatchewan's two largest cities are among the many communities across the province affected by air quality warnings today.

“Under the guidelines, outdoor activities are prohibited when the API exceeds 100. If it goes beyond 200, home-based learning ...