Good (Green): 0-50 AQI means there is little or no health risk associated with air quality. Moderate (Yellow): 51-100 AQI ...
New York’s failure to review permits for the state’s worst air polluters in a timely manner has meant some businesses have gone years without conducting tests to determine how much pollution ...
Major air pollutants have declined in recent decades, but USA TODAY’s analysis shows wildfire smoke is taking their place.