AddAir quality in San Mateo County
Air quality index (AQI⁺) and PM2.5 air pollution in San Mateo County • 15 Followers • 18:00, Jun 10 Local time
27
US AQI⁺Good
Main pollutant:
PM2.5
4.8 µg/m³
21°
3 km/h
59 %
Hourly forecast
San Mateo County air quality index (AQI⁺) forecast
Daily forecast
San Mateo County air quality index (AQI⁺) forecast
| Today | 60 |  | 27° 20° |  11 km/h | 42% |
| Thu | 61 | | 25° 14° | 12 km/h | 62% |
| Fri | 50 | | 23° 12° | 14 km/h | 65% |
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
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.
Learn more about global air quality
Where is the cleanest air quality in San Mateo County?
- Stockbridge near Alameda6
- Top of Kings Mountain20
- Bear Gulch Road21
- Filbert Road21
- Star Hill Road station21
- Upland Road21
- Stanford Weekend Acres23
- Newton Drive24
- Palomar Park24
- Rocky Creek Road24
- Alexander Avenue25
- Experimental Facilities Dept Shops EFD25
- Alpine Road26
- Belle Roche Court26
- Dirt Alpine26
- Menlo Oaks 226
- Portola Hts - 5 Points26
- Ware Road26
- 265 Old Spanish Trail27
- 480 Tunitas Creek Road27
- 920 Bear Gulch Road27
- Alberta Glen27
- Cerrito Avenue27
- Kings Mountain North27
- Old Spanish Trail27
- Santa Clara Avenue at Barton Street27
- Skyline Resort27
- Talbot Avenue - East Sharp Park27
- Durham Road28
- Kings Mountain North #228
- Los Trancos Road28
- Lynton Avenue28
- Menlo Oaks Drive28
- Skyline - Chapman Rd29
- Arlington Way31
- West Ranch Road31
- Skyline Boulevard MAC32
- San Gregorio34
- Menlo Oaks35
- Sand Hill Road station36
