AddAir quality in San Mateo County
Air quality index (AQI⁺) and PM2.5 air pollution in San Mateo County • 24 Followers • 22:00, Nov 02 Local time
11
US AQI⁺Good
Main pollutant:
PM2.5
2 µg/m³
14°
10 km/h
76 %
Hourly forecast
San Mateo County air quality index (AQI⁺) forecast
Daily forecast
San Mateo County air quality index (AQI⁺) forecast
| Today | 15 |  80% | 14° 11° |  21 km/h | 98% |
| Tue | 21 |  | 16° 10° | 20 km/h | 86% |
| Wed | 28 |  | 21° 11° | 7 km/h | 58% |
Air pollutants
What is the current air quality in San Mateo County?
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 |
Protect yourself from air pollution in San Mateo County
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 San Mateo County today?
Index
Moderate
 Tree Low | 25% |
 Grass None | 0% |
 Weed Moderate | 50% |
Source:
wetter.comHealth recommendations
Enjoy outdoor activities |
Open your windows to bring clean, fresh air indoors Get a monitor |
Pollen
What is the pollen count in San Mateo County today?
Index
Moderate
Tree Low | 25% |
Grass None | 0% |
Weed Moderate | 50% |
Source:
wetter.comProtect yourself from air pollution in San Mateo County
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.
Most polluted locations near San Mateo County
Worldwide AQI⁺ ranking
Station ranking
Real-time AQI⁺ station ranking for stations in San Mateo County
Historic air quality near San Mateo County
History
Historic air quality graph for San Mateo County
Historic air quality near San Mateo County
History
Historic air quality graph for San Mateo County
Most polluted locations near San Mateo County
Worldwide AQI⁺ rankingStation ranking
Real-time AQI⁺ station ranking for stations in San Mateo County
Measure your own air quality
Get a monitor and contribute air quality data in your city.
Learn more about global air quality
Where is the cleanest air quality in San Mateo County?
- Upland Road0
- Star Hill Road station1
- Top of Kings Mountain2
- 480 Tunitas Creek Road4
- Kings Mountain North4
- Pescadero Station7
- Portola Hts - 5 Points7
- Ware Road9
- Alpine Road10
- Menlo Oaks12
- Newton Drive12
- Burlingame Hills13
- Menlo Oaks 213
- Rocky Creek Road13
- Dirt Alpine14
- Filbert Road14
- Menlo Oaks Drive14
- Alexander Avenue15
- Stanford Weekend Acres15
- West Ranch Road15
- 265 Old Spanish Trail16
- 920 Bear Gulch Road16
- Arlington Way16
- Cerrito Avenue16
- Skyline Resort16
- Belle Roche Court17
- Old Spanish Trail17
- Ralston Road17
- Skyline Boulevard MAC17
- Stockbridge near Alameda17
- Durham Road18
- Skyline - Chapman Rd18
- Santa Clara Avenue at Barton Street19
- Lynton Avenue20
- Los Trancos Road21
- Palomar Park21
- Talbot Avenue - East Sharp Park22
- Kings Mountain North #261
