Air Quality-Related Links
- View AIRNow’s general air quality information, sponsored by the EPA and other federal organizations. Check its online Air Quality Index with local forecast and conditions. And, view maps of ozone and particulate matter levels for the state of California.
- View current NPS park sites' ozone and weather data through monitoring graphs in real time. Select a monitoring site from Shenandoah in Virginia to Mount Rainier in Washington.
- See NOAA’s National Weather Service air quality forecast guidance for ozone across the country.
- View an Inventory & Monitoring air quality fact sheet [278 kb PDF] that summarizes pollution in national parks.