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Hourly forecast
Castro Valley 2, Castro Valley air quality index (AQI⁺) forecast
Daily forecast
Castro Valley 2, Castro Valley air quality index (AQI⁺) forecast
| Today | 35 |  | 23° 13° |  15 km/h |  62% |
| Tue | 43 | | 24° 11° | 16 km/h | 63% |
| Wed | 45 |  | 34° 19° | 19 km/h | 48% |
Air pollutants
What is the current air quality near Castro Valley 2?
PM2.5 concentration currently meets the WHO annual PM2.5 guideline.
Health recommendations
 Enjoy outdoor activities |
 Open your windows to bring clean, fresh air indoors Get a monitor |
Real-time Castro Valley 2, Castro Valley air pollution map
Pollen
What is the pollen count in Castro Valley 2 today?
Index
High
 Tree Low | 25% |
 Grass Moderate | 50% |
 Weed High | 75% |
Source:
wetter.comProtect yourself from air pollution in Castro Valley 2
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Pollen
What is the pollen count in Castro Valley 2 today?
Index
High
Tree Low | 25% |
Grass Moderate | 50% |
Weed High | 75% |
Source:
wetter.comHistoric air quality near Castro Valley 2
History
Historic air quality graph for Castro Valley 2
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Most polluted locations near Castro Valley 2, Castro Valley
Worldwide AQI⁺ ranking
Station ranking
Real-time Castro Valley 2 AQI⁺ station ranking
City ranking
Real-time USA AQI⁺ city ranking
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