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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 | 30 |  | 19° 10° |  22 km/h |  71% |
| Thu | 42 | | 23° 10° | 39 km/h | 66% |
| Fri | 30 | | 18° 13° | 43 km/h | 62% |
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?
- Park Lane15
- Playa St San Mateo15
- CuriOdyssey at Coyote Point16
- 31st Ave18
- Parrott Drive18
- San Mateo Park18
- Edison Street19
- Occidental Avenue20
- Central San Mateo21
- 13th Avenue23
- BV.SM Upper23
- Belford Way23
- Cornell23
- Iowa Drive23
- Sugarloaf23
- East Poplar Avenue24
- Leafwood Court24
- North Central-Ellsworth Court24
- North Claremont St24
- Portola Drive24
- Saint Matthew's Avenue24
- 37th Avenue25
- Durand Drive25
- Lola25
- 113 West 40th Avenue26
- Baywood - Aragon26
- Monterey Trailhead26
- Noe Avenue26
- North Quebec Street26
- Sunset Terrace26
- 10th Ave and Palm27
- Beresford Park27
- Butano State Park27
- Hayward Park on El Camino27
- Meowchi Heaven - Park Place - San Mateo27
- Mid Hillsdale Blvd27
- North Central-3rd Ave and S Grant St27
- Pinewood Court27
- Sylvan Avenue27
- Stratford Way28
- Arroyo Ct29
- 238 41st Avenue30
- Queens Lane / Lakewood Circle31
- West Capistrano Way31
