The Environmental Protection Agency's Air Quality Index (AQI) map for Thursday displays a number of orange-coded regions, indicating air pollution levels that could harm people with respiratory ...

Although the majority of wildfires are occurring in western Canada, smoke from these fires has been drifting eastward, impacting air quality in areas around the Great Lakes and the U.S. Northeast, ...

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Don Gillespie’s commentary (“GWS air quality info needs to be provided,” June 6, Aspen Daily News) mentions a dearth of ...

according to the U.S. Environmental Protection Agency's AirNow tracker. Areas of Wisconsin and northern Michigan are reporting "unhealthy" air quality levels. To check your state's air quality ...

Air quality in some parts of the United States is worsening as smoke from dozens of wildfires in Canada travels south, pushed by winds high in the atmosphere ...

The Illinois Environmental Protection Agency declared an Air Pollution ... Action Days are typically called when the air quality index, also known as the AQI, gets into unhealthy ranges, according ...

Air quality conditions across several U.S. cities reached levels this week that federal agencies deem "unhealthy for sensitive groups," prompting health alerts and recommendations that children ...

Although the majority of wildfires are occurring in western Canada, smoke from these fires has been drifting eastward, impacting air quality in areas around the Great Lakes and the U.S. northeast, ...