AddAir quality in San Mateo
Air quality index (AQI⁺) and PM2.5 air pollution in San Mateo • 53.8K Followers • 20:00, Nov 09 Local time
9
US AQI⁺Good
Main pollutant:
PM2.5
1.7 µg/m³
17°
9 km/h
85 %
Hourly forecast
San Mateo air quality index (AQI⁺) forecast
Daily forecast
San Mateo air quality index (AQI⁺) forecast
| Today | 36 |  | 22° 15° |  14 km/h | 78% |
| Tue | 38 | | 23° 15° | 16 km/h | 67% |
| Wed | 32 | | 22° 15° | 17 km/h | 60% |
Air pollutants
What is the current air quality in San Mateo?
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
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.
Clean Air Facilities
Pollen
What is the pollen count in San Mateo 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 today?
Index
Moderate
Tree Low | 25% |
Grass None | 0% |
Weed Moderate | 50% |
Source:
wetter.comProtect yourself from air pollution in San Mateo
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
Worldwide AQI⁺ ranking
Station ranking
Real-time AQI⁺ station ranking for stations in San Mateo
Historic air quality near San Mateo
History
Historic air quality graph for San Mateo
Historic air quality near San Mateo
History
Historic air quality graph for San Mateo
Clean Air Facilities
Most polluted locations near San Mateo
Worldwide AQI⁺ rankingStation ranking
Real-time AQI⁺ station ranking for stations in San Mateo
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?
- East Poplar Avenue0
- Idaho St. San Mateo2
- San Mateo Park3
- 31st Ave4
- Central San Mateo4
- Occidental Avenue4
- CuriOdyssey at Coyote Point5
- Iowa Drive5
- Belford Way6
- BV.SM Upper7
- Durand Drive10
- Leafwood Court10
- Mid Hillsdale Blvd11
- North Claremont St11
- Pinewood Court11
- 13th Avenue12
- Sugarloaf12
- Arroyo Ct13
- Hayward Park on El Camino13
- Beresford Park14
- Noe Avenue14
- Saint Matthew's Avenue14
- Stratford Way14
- Monterey Trailhead15
- Sylvan Avenue15
- 213-201 Irving St16
- 238 41st Avenue16
- 37th Avenue16
- West Capistrano Way16
- North Central-3rd Ave and S Grant St17
- North Quebec Street18
- Lola19
- Meowchi Heaven - Park Place - San Mateo19
- 113 West 40th Avenue21
- North Central-Ellsworth Court21
- Queens Lane / Lakewood Circle26
