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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 |  | 27° 12° |  10 km/h |  49% |
| Thu | 53 | | 23° 10° | 28 km/h | 60% |
| Fri | 52 |  | 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 Lane9
- CuriOdyssey at Coyote Point14
- 31st Ave18
- Butano State Park19
- Playa St San Mateo19
- Parrott Drive23
- 13th Avenue24
- Cornell24
- East Poplar Avenue24
- Edison Street24
- Portola Drive26
- Occidental Avenue27
- Central San Mateo28
- Durand Drive28
- Leafwood Court28
- Iowa Drive29
- BV.SM Upper30
- Lola31
- North Central-Ellsworth Court31
- North Claremont St31
- Pinewood Court31
- Sunset Terrace31
- Mid Hillsdale Blvd32
- Baywood - Aragon33
- Monterey Trailhead33
- Saint Matthew's Avenue33
- 113 West 40th Avenue34
- Beresford Park34
- 37th Avenue36
- North Quebec Street36
- 238 41st Avenue37
- Noe Avenue37
- Sylvan Avenue37
- Arroyo Ct38
- Mid East Santa Inez Avenue38
- North Central-3rd Ave and S Grant St38
- Queens Lane / Lakewood Circle38
- San Mateo Park38
- West Capistrano Way38
- 10th Ave and Palm39
- Hayward Park on El Camino43
- Meowchi Heaven - Park Place - San Mateo43
- Sugarloaf43
- Stratford Way44
