AddAir quality in San Mateo County
Air quality index (AQI⁺) and PM2.5 air pollution in San Mateo County • 15 Followers • 07:00, Jun 14 Local time
15
US AQI⁺Good
Main pollutant:
PM2.5
2.8 µg/m³
15°
3 km/h
84 %
Hourly forecast
San Mateo County air quality index (AQI⁺) forecast
Daily forecast
San Mateo County air quality index (AQI⁺) forecast
| Today | 25 |  | 22° 14° |  9 km/h | 72% |
| Mon | 39 | | 23° 14° | 6 km/h | 68% |
| Tue | 38 |  | 24° 13° | 14 km/h | 57% |
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 None | 0% |
 Grass Moderate | 50% |
 Weed None | 0% |
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 None | 0% |
Grass Moderate | 50% |
Weed None | 0% |
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?
- Alexander Avenue4
- Top of Kings Mountain4
- Newton Drive6
- Ralston Road7
- Rocky Creek Road8
- Talbot Avenue - East Sharp Park9
- Skyline Boulevard10
- 480 Tunitas Creek Road11
- Alpine Road12
- Filbert Road12
- Experimental Facilities Dept Shops EFD13
- San Gregorio13
- Santa Clara Avenue at Barton Street13
- Portola Hts - 5 Points14
- West Ranch Road14
- Alberta Glen15
- Durham Road16
- Kings Mountain North16
- Skyline Resort16
- Star Hill Road station16
- Dirt Alpine17
- Kings Mountain North #217
- Ware Road17
- Arlington Way19
- Palomar Park21
- Skyline - Chapman Rd21
- Stanford Weekend Acres21
- Lynton Avenue22
- 265 Old Spanish Trail24
- Skyline Boulevard MAC28
- Los Trancos Road29
- Old Spanish Trail31
- Sand Hill Road station32
- 920 Bear Gulch Road33
