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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 | 20 |  | 22° 10° |  15 km/h |  67% |
| Wed | 42 | | 19° 10° | 30 km/h | 68% |
| Thu | 44 | | 19° 13° | 41 km/h | 65% |
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 Low | 25% |
 Grass Low | 25% |
 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 Low | 25% |
Grass Low | 25% |
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?
- East Poplar Avenue1
- San Mateo Park3
- Occidental Avenue4
- Playa St San Mateo4
- Noe Avenue7
- BV.SM Upper8
- CuriOdyssey at Coyote Point8
- Durand Drive8
- Edison Street8
- Belford Way9
- Cornell9
- 13th Avenue10
- Butano State Park10
- Mid East Santa Inez Avenue11
- North Central-Ellsworth Court12
- Baywood - Aragon13
- Iowa Drive13
- North Claremont St13
- 10th Ave and Palm16
- North Quebec Street17
- Leafwood Court18
- Sylvan Avenue18
- Saint Matthew's Avenue19
- Sunset Terrace19
- West Capistrano Way19
- North Central-3rd Ave and S Grant St20
- Lola21
- Mid Hillsdale Blvd22
- 37th Avenue23
- Beresford Park23
- Pinewood Court23
- Arroyo Ct24
- Hayward Park on El Camino24
- 113 West 40th Avenue26
- Monterey Trailhead27
- Stratford Way27
- Queens Lane / Lakewood Circle29
- Meowchi Heaven - Park Place - San Mateo32
- 238 41st Avenue33
