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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 | 53 |  | 19° 9° |  22 km/h |  67% |
| Fri | 52 | | 17° 9° | 28 km/h | 73% |
| Sat | 28 |  | 18° 14° | 30 km/h | 67% |
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?
- Park Lane7
- CuriOdyssey at Coyote Point12
- Playa St San Mateo18
- San Mateo Park18
- Edison Street19
- Occidental Avenue19
- Central San Mateo21
- 13th Avenue22
- Butano State Park24
- Durand Drive26
- East Poplar Avenue26
- Iowa Drive26
- North Central-Ellsworth Court26
- BV.SM Upper27
- Baywood - Aragon28
- Leafwood Court28
- Portola Drive28
- 10th Ave and Palm29
- Mid Hillsdale Blvd29
- North Claremont St29
- Pinewood Court29
- Sylvan Avenue29
- 113 West 40th Avenue30
- North Quebec Street30
- Sunset Terrace30
- Monterey Trailhead31
- Beresford Park32
- North Central-3rd Ave and S Grant St32
- Saint Matthew's Avenue32
- Hayward Park on El Camino33
- Lola33
- West Capistrano Way33
- 37th Avenue34
- Noe Avenue34
- Arroyo Ct35
- Queens Lane / Lakewood Circle36
- Stratford Way36
- Sugarloaf37
- Meowchi Heaven - Park Place - San Mateo39
- Mid East Santa Inez Avenue39
- 238 41st Avenue40
