AddAir quality in San Mateo
Air quality index (AQI⁺) and PM2.5 air pollution in San Mateo • 53.7K Followers • 14:00, Oct 30 Local time
21
US AQI⁺Good
Main pollutant:
PM2.5
3.7 µg/m³
19°
5 km/h
61 %
Hourly forecast
San Mateo air quality index (AQI⁺) forecast
Daily forecast
San Mateo air quality index (AQI⁺) forecast
| Today | 22 | | 19° 14° |  15 km/h | 73% |
| Sat | 22 |  | 17° 13° | 12 km/h | 76% |
| Sun | 37 | | 17° 11° | 19 km/h | 77% |
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
Low
 Tree None | 0% |
 Grass None | 0% |
 Weed Low | 25% |
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
Low
Tree None | 0% |
Grass None | 0% |
Weed Low | 25% |
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
City ranking
Real-time USA AQI⁺ city ranking
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
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?
- Central San Mateo3
- East Poplar Avenue3
- San Mateo Park5
- BV.SM Upper6
- Belford Way6
- CuriOdyssey at Coyote Point7
- Noe Avenue7
- Baywood - Aragon8
- Occidental Avenue9
- Durand Drive10
- North Central-Ellsworth Court13
- North Claremont St13
- 13th Avenue14
- Idaho St. San Mateo14
- Mid Hillsdale Blvd14
- Sylvan Avenue14
- Arroyo Ct16
- Iowa Drive16
- Leafwood Court16
- Pinewood Court16
- Sugarloaf16
- Hayward Park on El Camino17
- Monterey Trailhead17
- North Central-3rd Ave and S Grant St17
- North Quebec Street17
- 113 West 40th Avenue18
- Beresford Park18
- 37th Avenue19
- Lola19
- 213-201 Irving St20
- 238 41st Avenue20
- Stratford Way21
- Meowchi Heaven - Park Place - San Mateo23
- Queens Lane / Lakewood Circle28
- Saint Matthew's Avenue30
