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Hourly forecast
Alta Heights, Napa air quality index (AQI⁺) forecast
Daily forecast
Alta Heights, Napa air quality index (AQI⁺) forecast
| Today | 51 |  | 36° 18° |  14 km/h |  34% |
| Fri | 61 | | 33° 13° | 19 km/h | 52% |
| Sat | 53 | | 32° 13° | 13 km/h | 42% |
Air pollutants
What is the current air quality near Alta Heights?
PM2.5 concentration is currently 1.1 times the World Health Organization annual PM2.5 guideline value.
Health recommendations
 Enjoy outdoor activities |
 Open your windows to bring clean, fresh air indoors Get a monitor |
Real-time Alta Heights, Napa air pollution map
Pollen
What is the pollen count in Alta Heights today?
Index
Moderate
 Tree Low | 25% |
 Grass Moderate | 50% |
 Weed Moderate | 50% |
Source:
wetter.comProtect yourself from air pollution in Alta Heights
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Pollen
What is the pollen count in Alta Heights today?
Index
Moderate
Tree Low | 25% |
Grass Moderate | 50% |
Weed Moderate | 50% |
Source:
wetter.comHistoric air quality near Alta Heights
History
Historic air quality graph for Alta Heights
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Most polluted locations near Alta Heights, Napa
Worldwide AQI⁺ ranking
Station ranking
Real-time Alta Heights AQI⁺ station ranking
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