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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 | 14 |  | 19° 12° |  17 km/h |  75% |
| Tue | 28 | | 19° 12° | 17 km/h | 74% |
| Wed | 44 | | 22° 11° | 28 km/h | 70% |
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
Moderate
 Tree Low | 25% |
 Grass Moderate | 50% |
 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
Moderate
Tree Low | 25% |
Grass Moderate | 50% |
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
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?
- San Mateo Park7
- Edison Street9
- Occidental Avenue9
- Playa St San Mateo9
- Parrott Drive10
- BV.SM Upper13
- Cornell13
- CuriOdyssey at Coyote Point14
- East Poplar Avenue15
- Belford Way16
- Noe Avenue17
- Portola Drive18
- West Capistrano Way18
- 113 West 40th Avenue19
- North Quebec Street19
- 10th Ave and Palm20
- Leafwood Court20
- North Central-Ellsworth Court20
- Pinewood Court20
- Lola21
- Monterey Trailhead21
- North Central-3rd Ave and S Grant St21
- North Claremont St21
- Durand Drive22
- 13th Avenue23
- Beresford Park23
- Hayward Park on El Camino23
- Mid Hillsdale Blvd23
- Central San Mateo24
- Iowa Drive24
- Saint Matthew's Avenue24
- Sylvan Avenue24
- 37th Avenue26
- Meowchi Heaven - Park Place - San Mateo27
- 238 41st Avenue28
- Sunset Terrace28
- Stratford Way31
- Queens Lane / Lakewood Circle33
