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Hourly forecast
Cornell, San Mateo air quality index (AQI⁺) forecast
Daily forecast
Cornell, San Mateo air quality index (AQI⁺) forecast
| Today | 21 |  | 20° 14° |  23 km/h |  72% |
| Sun | 21 | | 20° 13° | 22 km/h | 73% |
| Mon | 21 | | 19° 14° | 37 km/h | 72% |
Air pollutants
What is the current air quality near Cornell?
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 Cornell, San Mateo air pollution map
Pollen
What is the pollen count in Cornell today?
Index
Low
 Tree None | 0% |
 Grass None | 0% |
 Weed Low | 25% |
Source:
wetter.comProtect yourself from air pollution in Cornell
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Pollen
What is the pollen count in Cornell today?
Index
Low
Tree None | 0% |
Grass None | 0% |
Weed Low | 25% |
Source:
wetter.comHistoric air quality near Cornell
History
Historic air quality graph for Cornell
Measure your own air quality
Get a monitor and contribute air quality data in your city.
Most polluted locations near Cornell, San Mateo
Worldwide AQI⁺ ranking
Station ranking
Real-time Cornell AQI⁺ station ranking
City ranking
Real-time USA AQI⁺ city ranking
Get comprehensive data about air quality in Cornell, San Mateo
Download our Air Quality App
Learn more about global air quality
Where is the cleanest air quality in San Mateo?
- Central San Mateo0
- East Poplar Avenue3
- San Mateo Park4
- Edison Street6
- Noe Avenue7
- CuriOdyssey at Coyote Point9
- Occidental Avenue9
- Durand Drive10
- Parrott Drive10
- BV.SM Upper11
- 13th Avenue12
- Iowa Drive12
- North Central-Ellsworth Court13
- Belford Way14
- North Claremont St15
- Portola Drive16
- Leafwood Court17
- 10th Ave and Palm18
- North Quebec Street18
- Pinewood Court18
- Sylvan Avenue18
- North Central-3rd Ave and S Grant St19
- West Capistrano Way19
- Hayward Park on El Camino20
- 113 West 40th Avenue21
- Beresford Park21
- Monterey Trailhead21
- Saint Matthew's Avenue21
- Mid Hillsdale Blvd22
- Arroyo Ct23
- Meowchi Heaven - Park Place - San Mateo24
- Stratford Way25
- 238 41st Avenue26
- Lola28
- 37th Avenue29
- Queens Lane / Lakewood Circle31
