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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 | 24 |  | 27° 13° |  9 km/h |  50% |
| Wed | 59 | | 27° 12° | 10 km/h | 49% |
| Thu | 49 | | 23° 10° | 24 km/h | 59% |
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 Lane13
- Butano State Park15
- CuriOdyssey at Coyote Point18
- Playa St San Mateo19
- 31st Ave23
- Edison Street23
- Parrott Drive23
- San Mateo Park26
- 13th Avenue27
- Occidental Avenue28
- Iowa Drive29
- Portola Drive29
- BV.SM Upper30
- Beresford Park31
- Central San Mateo32
- Durand Drive32
- Monterey Trailhead32
- East Poplar Avenue33
- Leafwood Court33
- 113 West 40th Avenue34
- Mid Hillsdale Blvd34
- Pinewood Court34
- Sunset Terrace34
- 37th Avenue35
- Baywood - Aragon35
- 10th Ave and Palm36
- Lola36
- North Claremont St36
- Saint Matthew's Avenue36
- North Central-Ellsworth Court37
- Stratford Way37
- Mid East Santa Inez Avenue38
- Arroyo Ct39
- Hayward Park on El Camino39
- Noe Avenue39
- Meowchi Heaven - Park Place - San Mateo40
- North Quebec Street41
- Queens Lane / Lakewood Circle41
- North Central-3rd Ave and S Grant St42
- West Capistrano Way43
- Sylvan Avenue47
- Sugarloaf48
- 238 41st Avenue53
