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Hourly forecast
Sign Hill Park, South San Francisco air quality index (AQI⁺) forecast
Daily forecast
Sign Hill Park, South San Francisco air quality index (AQI⁺) forecast
| Today | 21 |  90% | 12° 10° |  20 km/h |  94% |
| Sat | 32 |  | 14° 10° | 22 km/h | 81% |
| Sun | 34 | | 16° 12° | 28 km/h | 65% |
Air pollutants
What is the current air quality near Sign Hill Park?
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 Sign Hill Park, South San Francisco air pollution map
Pollen
What is the pollen count in Sign Hill Park today?
Index
Moderate
 Tree Low | 25% |
 Grass Low | 25% |
 Weed Moderate | 50% |
Source:
wetter.comProtect yourself from air pollution in Sign Hill Park
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Pollen
What is the pollen count in Sign Hill Park today?
Index
Moderate
Tree Low | 25% |
Grass Low | 25% |
Weed Moderate | 50% |
Source:
wetter.comHistoric air quality near Sign Hill Park
History
Historic air quality graph for Sign Hill Park
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Most polluted locations near Sign Hill Park, South San Francisco
Worldwide AQI⁺ ranking
Station ranking
Real-time Sign Hill Park AQI⁺ station ranking
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