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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 | 39 |  | 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?
- Durand Drive3
- East Poplar Avenue3
- BV.SM Upper5
- Occidental Avenue6
- Playa St San Mateo6
- San Mateo Park6
- Edison Street7
- Butano State Park10
- CuriOdyssey at Coyote Point10
- 13th Avenue11
- Noe Avenue11
- Leafwood Court12
- Mid Hillsdale Blvd12
- North Central-Ellsworth Court13
- Iowa Drive14
- Pinewood Court14
- 113 West 40th Avenue16
- Central San Mateo16
- Monterey Trailhead16
- Sylvan Avenue16
- Beresford Park17
- Sunset Terrace17
- 37th Avenue18
- 10th Ave and Palm19
- Baywood - Aragon19
- North Claremont St19
- 238 41st Avenue21
- Lola22
- North Quebec Street22
- Saint Matthew's Avenue22
- West Capistrano Way22
- Arroyo Ct24
- Meowchi Heaven - Park Place - San Mateo24
- North Central-3rd Ave and S Grant St24
- Hayward Park on El Camino25
- Stratford Way26
- Queens Lane / Lakewood Circle27
