Add
Hourly forecast
Cornell, San Mateo air quality index (AQI⁺) forecast
Daily forecast
Cornell, San Mateo air quality index (AQI⁺) forecast
| Today | 37 |  | 20° 10° |  21 km/h |  71% |
| Tue | 28 | | 16° 11° | 35 km/h | 76% |
| Wed | 22 | | 18° 13° | 43 km/h | 68% |
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 Moderate | 50% |
Source:
wetter.comProtect yourself from air pollution in Cornell
Monitor the air you breathe
Get accurate AirVisual air quality readings and real-time insights for cleaner air. Monitors that reveal pollution sources, highlight when air purifier use is needed.
Medical grade air purifiers
Trusted worldwide, the HealthPro Series uses HyperHEPA technology. Filters ultrafine particles other air purifiers miss, delivering medical-grade protection.
Powerful, stylish air purifiers
Compact and powerful, the Atem Series combines Swiss engineering with high-performance air purification, filtering ultrafine particles with HyperHEPA technology.
Pollen
What is the pollen count in Cornell today?
Index
Moderate
Tree Low | 25% |
Grass Moderate | 50% |
Weed Moderate | 50% |
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
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 Lane6
- Butano State Park7
- CuriOdyssey at Coyote Point13
- Parrott Drive13
- Edison Street14
- 13th Avenue17
- Central San Mateo17
- Cornell17
- Belford Way18
- Iowa Drive18
- Occidental Avenue18
- San Mateo Park18
- East Poplar Avenue19
- Durand Drive21
- BV.SM Upper23
- Leafwood Court23
- Mid Hillsdale Blvd23
- Monterey Trailhead23
- Pinewood Court23
- Sunset Terrace23
- Sylvan Avenue23
- Baywood - Aragon24
- 10th Ave and Palm25
- Beresford Park25
- North Central-Ellsworth Court25
- North Claremont St25
- Hayward Park on El Camino26
- Arroyo Ct27
- 113 West 40th Avenue28
- Noe Avenue28
- North Quebec Street28
- Lola29
- Meowchi Heaven - Park Place - San Mateo29
- Stratford Way29
- South San Mateo30
- Sugarloaf30
- 37th Avenue33
- North Central-3rd Ave and S Grant St33
- Queens Lane / Lakewood Circle33
- 238 41st Avenue37
- West Capistrano Way38
- Saint Matthew's Avenue48
