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

Pakistan Air Pollution: NASA Images Show Black Smog Blanketing Lahore With AQI Above 600. ... with air quality index levels reaching around 800—far above the hazardous threshold of 300.

Central Arkansas has been placed under an Ozone Action Advisory, which is now classified as "Code Orange".Determined color ...

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 ...

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 ...

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.

The worst air in the country on June 14 is in New Castle County. The air quality index in Wilmington as of 9:45 a.m. was 227, which is "very unhealthy," according to AirNow. A monitor in Newark was at ...

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.