AddAir quality in San Mateo County
Air quality index (AQI⁺) and PM2.5 air pollution in San Mateo County • 22 Followers • 22:00, Oct 18 Local time
16
US AQI⁺Good
Main pollutant:
PM2.5
2.8 µg/m³
12°
13 km/h
98 %
Hourly forecast
San Mateo County air quality index (AQI⁺) forecast
Daily forecast
San Mateo County air quality index (AQI⁺) forecast
| Today | 20 |  90% | 13° 11° |  15 km/h | 94% |
| Mon | 32 |  | 16° 10° | 7 km/h | 71% |
| Tue | 28 | 90% | 16° 12° | 9 km/h | 84% |
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
None
 Tree None | 0% |
 Grass None | 0% |
 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
None
Tree None | 0% |
Grass None | 0% |
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?
- Star Hill Road station1
- Bear Gulch Road4
- Menlo Oaks15
- Kings Mountain North16
- Alexander Avenue17
- Menlo Oaks 217
- Newton Drive17
- Skyline - Chapman Rd17
- Stanford Weekend Acres17
- Skyline Boulevard18
- Talbot Avenue - East Sharp Park18
- Burlingame Hills19
- Top of Kings Mountain19
- 480 Tunitas Creek Road20
- Ralston Road21
- Filbert Road22
- Alpine Road23
- Arlington Way23
- Durham Road23
- Portola Hts - 5 Points23
- Ware Road23
- Belle Roche Court24
- Lynton Avenue24
- West Ranch Road24
- Kings Mountain North #225
- Dirt Alpine26
- Rocky Creek Road26
- Palomar Park27
- Skyline Resort27
- 265 Old Spanish Trail28
- Old Spanish Trail29
- 920 Bear Gulch Road31
- Los Trancos Road31
- Santa Clara Avenue at Barton Street31
- Skyline Boulevard MAC31
- Stockbridge near Alameda50
