AddAir quality in San Mateo County
Air quality index (AQI⁺) and PM2.5 air pollution in San Mateo County • 24 Followers • 05:00, Nov 15 Local time
9
US AQI⁺Good
Main pollutant:
PM2.5
1.7 µg/m³
12°
7 km/h
86 %
Hourly forecast
San Mateo County air quality index (AQI⁺) forecast
Daily forecast
San Mateo County air quality index (AQI⁺) forecast
| Today | 11 |  | 17° 11° |  24 km/h | 82% |
| Mon | 14 |  | 13° 10° | 14 km/h | 76% |
| Tue | 24 | | 14° 10° | 17 km/h | 75% |
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
Low
 Tree Low | 25% |
 Grass None | 0% |
 Weed Low | 25% |
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
Low
Tree Low | 25% |
Grass None | 0% |
Weed Low | 25% |
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
City ranking
Real-time USA AQI⁺ city ranking
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
City ranking
Real-time USA AQI⁺ city ranking
Measure your own air quality
Get a monitor and contribute air quality data in your city.
Where is the cleanest air quality in San Mateo County?
- Arlington Way1
- 480 Tunitas Creek Road3
- Dirt Alpine4
- Menlo Oaks4
- Alpine Road5
- Pescadero Station5
- Menlo Oaks 26
- Menlo Oaks Drive6
- 265 Old Spanish Trail7
- Belle Roche Court7
- Cerrito Avenue7
- Newton Drive7
- Stanford Weekend Acres7
- 920 Bear Gulch Road9
- Ralston Road9
- Santa Clara Avenue at Barton Street9
- Burlingame Hills10
- Palomar Park10
- Old Spanish Trail11
- Durham Road12
- Los Trancos Road12
- Skyline Resort12
- West Ranch Road12
- Lynton Avenue13
- Skyline Boulevard MAC13
- Talbot Avenue - East Sharp Park14
- Skyline - Chapman Rd16
- Kings Mountain North #217
- Stockbridge near Alameda31
