AddAir quality in San Mateo County
Air quality index (AQI⁺) and PM2.5 air pollution in San Mateo County • 14 Followers • 19:00, May 14 Local time
19
US AQI⁺Good
Main pollutant:
PM2.5
3.5 µg/m³
11°
16 km/h
97 %
Hourly forecast
San Mateo County air quality index (AQI⁺) forecast
Daily forecast
San Mateo County air quality index (AQI⁺) forecast
| Today | 23 |  90% | 13° 9° |  18 km/h | 90% |
| Fri | 45 |  | 13° 8° | 29 km/h | 90% |
| Sat | 25 | | 20° 8° | 16 km/h | 54% |
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 Low | 25% |
 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
Low
Tree Low | 25% |
Grass Low | 25% |
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
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.
Where is the cleanest air quality in San Mateo County?
- Star Hill Road station1
- Top of Kings Mountain4
- Ware Road7
- Kings Mountain North #28
- Filbert Road12
- Kings Mountain North13
- Upland Road13
- Alpine Road14
- Newton Drive16
- Portola Hts - 5 Points16
- 480 Tunitas Creek Road17
- Burlingame Hills17
- Skyline - Chapman Rd17
- Lynton Avenue18
- West Ranch Road18
- Durham Road19
- Experimental Facilities Dept Shops EFD19
- Menlo Oaks 219
- Palomar Park19
- Ralston Road19
- Rocky Creek Road19
- Skyline Boulevard MAC19
- Menlo Oaks Drive20
- Stanford Weekend Acres20
- Talbot Avenue - East Sharp Park20
- 265 Old Spanish Trail21
- Alberta Glen21
- Cerrito Avenue21
- Dirt Alpine21
- Old Spanish Trail21
- San Gregorio21
- Alexander Avenue22
- Stockbridge near Alameda22
- 920 Bear Gulch Road23
- Santa Clara Avenue at Barton Street23
- Skyline Resort23
- Los Trancos Road24
- Menlo Oaks24
- San Francisquito Creek Road24
