AddAir quality in San Mateo
Air quality index (AQI⁺) and PM2.5 air pollution in San Mateo • 43 Followers • 16:00, Nov 10 Local time
46*
US AQI⁺Good
Main pollutant:
PM2.5
8.4 µg/m³
16°
4 km/h
76 %
Hourly forecast
San Mateo air quality index (AQI⁺) forecast
Daily forecast
|
San Mateo air quality index (AQI⁺) forecast
| Today | 46 | | 19° 14° |  13 km/h | 66% |
| Wed | 48 |  | 20° 14° | 14 km/h | 66% |
| Thu | 47 | | 19° 14° | 8 km/h | 62% |
Air pollutants
What is the current air quality in San Mateo?
PM2.5 concentration is currently 1.7 times the World Health Organization annual PM2.5 guideline value.
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
Protect yourself from air pollution in San Mateo
Air Purifiers
Face Masks
Air Quality Monitors
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
Protect yourself from air pollution in San Mateo
Air Purifiers
Face Masks
Air Quality Monitors
Most polluted locations near San Mateo
Worldwide AQI⁺ ranking
Historic air quality near San Mateo
History
Historic air quality graph for San Mateo
46 AQI⁺ US
Good
16:00–17:00 Nov 10 Local time
AQI⁺ US
Historic air quality near San Mateo
History
Historic air quality graph for San Mateo
46 AQI⁺ US
Good
16:00–17:00 Nov 10 Local time
AQI⁺ US
Most polluted locations near San Mateo
Worldwide AQI⁺ ranking
Be the first to measure and contribute air quality data to your community
Where is the cleanest air quality in San Mateo?
No locations are available.
