AddAir quality in San Mateo
Air quality index (AQI⁺) and PM2.5 air pollution in San Mateo • 53.5K Followers • 18:00, Oct 18 Local time
22
US AQI⁺Good
Main pollutant:
PM2.5
4 µg/m³
15°
20 km/h
73 %
Hourly forecast
San Mateo air quality index (AQI⁺) forecast
Daily forecast
San Mateo air quality index (AQI⁺) forecast
| Today | 23 |  | 17° 12° |  18 km/h | 77% |
| Mon | 36 | | 19° 12° | 13 km/h | 67% |
| Tue | 28 |  | 18° 15° | 11 km/h | 78% |
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
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?
- Idaho St. San Mateo2
- Park Lane4
- Parrott Drive6
- San Mateo Park9
- CuriOdyssey at Coyote Point11
- Occidental Avenue11
- 31st Ave12
- Baywood - Aragon15
- 13th Avenue17
- Belford Way17
- Durand Drive17
- Sugarloaf17
- Central San Mateo18
- North Central-Ellsworth Court18
- Pinewood Court19
- East Poplar Avenue20
- Iowa Drive21
- North Claremont St21
- BV.SM Upper22
- Beresford Park22
- Leafwood Court22
- Lola22
- Monterey Trailhead22
- Sylvan Avenue22
- 10th Ave and Palm23
- 113 West 40th Avenue23
- North Quebec Street23
- Saint Matthew's Avenue23
- Arroyo Ct24
- Noe Avenue24
- Hayward Park on El Camino25
- 213-201 Irving St26
- 37th Avenue26
- Meowchi Heaven - Park Place - San Mateo26
- Mid Hillsdale Blvd26
- North Central-3rd Ave and S Grant St26
- West Capistrano Way26
- 238 41st Avenue27
- Stratford Way28
- Queens Lane / Lakewood Circle29
