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Local Forecasts & Conditions National Overview Air Quality Basics Key Topics: Resources |
Current AQI - Ozone
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Click on underlined park names for visibility and additional air quality information.
The following national parks have cameras but may not post air quality data with the images.
- Glacier National Park,
Montana
- Point Reyes,
CA
- Washington, D.C.
- Yellowstone
National Park, Wyoming (View of Old Faithful)
- Yellowstone National
Park, Wyoming (View of Mammoth Hot Springs)
- Yosemite
National Park, California
Sensitive Groups for ozone are active children and adults and people with respiratory disease, such as asthma.
Frequently Asked Questions
How are the AQI maps calculated?
Why is the map not available?
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| AIRNow is a government-backed program. Through AIRNow, EPA, NOAA, NPS, news media, tribal, state, and local agencies work together to report conditions for ozone and particle pollution. |
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| EPA Home | NOAA-National Weather Service |
NASA Langley Research Center |
National Park Service Air Resources |
Environment Canada |
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