Air quality in San Mateo County
Air quality index (AQI⁺) and PM2.5 air pollution in San Mateo County • 24 Followers • 11:00, Nov 05 Local time
13
US AQI⁺Good
Main pollutant:
PM2.5
2.4 µg/m³
18°
5 km/h
54 %
Hourly forecast
San Mateo County air quality index (AQI⁺) forecast
Daily forecast
San Mateo County air quality index (AQI⁺) forecast
| Today | 16 | 20° 11° | 10 km/h | 66% | |
| Fri | 29 | 21° 12° | 7 km/h | 59% | |
| Sat | 24 | 22° 12° | 9 km/h | 51% |
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
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
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
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.
Learn more about global air quality
Where is the cleanest air quality in San Mateo County?
- Dirt Alpine0
- Ware Road0
- Arlington Way1
- 265 Old Spanish Trail2
- 480 Tunitas Creek Road2
- Pescadero Station3
- Ralston Road3
- Menlo Oaks Drive4
- Santa Clara Avenue at Barton Street5
- Alpine Road6
- Menlo Oaks6
- Menlo Oaks 26
- 920 Bear Gulch Road7
- Belle Roche Court7
- Newton Drive7
- Star Hill Road station7
- West Ranch Road7
- Burlingame Hills8
- Cerrito Avenue8
- Kings Mountain North #28
- Palomar Park8
- Durham Road9
- Los Trancos Road9
- Old Spanish Trail9
- Stanford Weekend Acres9
- Skyline Resort10
- Lynton Avenue13
- Skyline - Chapman Rd13
- Talbot Avenue - East Sharp Park13
- Skyline Boulevard MAC14
- Stockbridge near Alameda27












