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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 | 26 |  | 19° 14° |  22 km/h |  75% |
| Tue | 49 |  | 27° 13° | 30 km/h | 54% |
| Wed | 61 | | 26° 17° | 32 km/h | 54% |
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
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?
- Butano State Park1
- Central San Mateo1
- Edison Street2
- East Poplar Avenue3
- North Central-Ellsworth Court4
- Occidental Avenue5
- San Mateo Park5
- Iowa Drive6
- Noe Avenue6
- Baywood - Aragon8
- Cornell8
- CuriOdyssey at Coyote Point8
- Mid Hillsdale Blvd8
- Sylvan Avenue8
- 113 West 40th Avenue9
- Lola9
- Monterey Trailhead9
- Sunset Terrace9
- Leafwood Court10
- Pinewood Court10
- Beresford Park11
- 10th Ave and Palm12
- 37th Avenue12
- North Quebec Street12
- Portola Drive12
- Saint Matthew's Avenue12
- 13th Avenue13
- Durand Drive13
- Hayward Park on El Camino13
- North Central-3rd Ave and S Grant St13
- 238 41st Avenue14
- North Claremont St14
- Stratford Way14
- West Capistrano Way14
- Meowchi Heaven - Park Place - San Mateo15
- BV.SM Upper16
- Arroyo Ct17
- Queens Lane / Lakewood Circle26
