What are the health effects of nitrogen oxides?

AirNow is your one-stop source for air quality data. Our recently redesigned site highlights air quality in your local area first, while still providing air ... Apr 28, 2021 ... It measures the air quality in relation to your health on a scale from 1 to 10. The higher the number, the greater the health risk associated ... Apr 23, 2025 ... Live ranking, historical rankings, most polluted cities, cleanest cities, live most polluted major city ranking. Apr 24, 2025 ... How do the numbers work? The index's scale runs from 0 to 500; the higher the number, the worse the air. If the index is registering less than ... The daily air quality forecast covers two common air pollutants: Ground-level ozone forms when pollutants from cars, power plants and other sources combine ... Moderate — 51 to 100. Air quality is acceptable. However, there may be a risk for some people, particularly those who are unusually sensitive to air pollution. Air Quality Index · Air Quality Daily Forecast for 5/2/25: · Air Quality Index: 57 · Descriptor: Moderate · Major Pollutant: Ozone · Empty heading. Regional AQI ... Aug 21, 2023 ... These graphs use the Air Quality Index (AQI), which is the standard tool of the Environmental Protection Agency (EPA) to communicate air quality ... Advisories: Log In. Latest news. No News. Read more. General Index. Stations. Alphabetic Index. ;. Forecast Discussion. Sunny with light winds and a high near 75. Air quality is expected to be within the "Good" category. ... If non-burning options are available ...