Photos of the Vietnamese capital, home to almost 9 million people, show the environmental cost of the Southeast Asian ...

2025 Canada wildfires continue to burn, as smoke from the Canadian fires are affecting U.S. air quality in several states, including Indiana. What we know.

Share on Pinterest If you live in an area where you may be exposed to wildfire smoke, check your local Air Quality Index (AQI) before exercising outdoors. Jay L. Clendenin/Getty Images Wildfire ...

The national average air quality index in 2023 was 38, according to IQAir, a Swiss air quality technology company. More than 100 nations had cleaner air , on average, than the United States, and ...

2025 Canada wildfires continue to burn, as smoke from the Canadian fires are affecting U.S. air quality in several states, including Indiana. What we know.

Smoke pollution from Canadian wildfires created hazy conditions in New York in 2023. ANGELA WEISS/AFP via Getty Images Why It Matters. Health officials warn that vulnerable populations — such as ...

The Air Quality Index (AQI) uses a color-coded scale to inform the public about air pollution levels and potential health risks. Michigan residents can check the AQI through various online ...

The Air Quality Index (AQI) uses a color-coded system to inform the public about air quality levels. Fine particulate matter (PM2.5) is a dangerous pollutant that can cause serious health problems.

2025 Canada wildfires continue to burn, as smoke from the Canadian fires are affecting U.S. air quality in several states, including Indiana. What we know.