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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 |  | 27° 14° |  30 km/h |  62% |
| Sat | 59 |  | 22° 15° | 26 km/h | 70% |
| Sun | 40 | | 21° 14° | 26 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
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?
- Butano State Park1
- Noe Avenue2
- East Poplar Avenue3
- Playa St San Mateo5
- San Mateo Park6
- CuriOdyssey at Coyote Point7
- Occidental Avenue7
- Central San Mateo8
- Edison Street8
- Belford Way9
- Cornell10
- Portola Drive10
- BV.SM Upper11
- Iowa Drive13
- Mid Hillsdale Blvd13
- 13th Avenue14
- Durand Drive14
- Pinewood Court14
- North Quebec Street15
- Leafwood Court16
- 10th Ave and Palm17
- Lola17
- Monterey Trailhead17
- North Claremont St17
- North Central-3rd Ave and S Grant St18
- Sylvan Avenue18
- Beresford Park19
- Saint Matthew's Avenue19
- 113 West 40th Avenue20
- Hayward Park on El Camino21
- North Central-Ellsworth Court21
- West Capistrano Way21
- Sunset Terrace22
- 37th Avenue23
- Meowchi Heaven - Park Place - San Mateo23
- 238 41st Avenue25
- Queens Lane / Lakewood Circle30
- Stratford Way33
