AddAir quality in San Marcos
Air quality index (AQI⁺) and PM2.5 air pollution in San Marcos • 10 Followers • 21:00, Oct 09 Local time
40*
US AQI⁺Good
Main pollutant:
PM2.5
7.2 µg/m³
23°
5 km/h
86 %
Hourly forecast
San Marcos air quality index (AQI⁺) forecast
Daily forecast
|
San Marcos air quality index (AQI⁺) forecast
| Today | 38 |  | 25° 22° |  9 km/h | 84% |
| Sun | 36 | | 29° 21° | 14 km/h | 84% |
| Mon | 35 |  | 29° 21° | 15 km/h | 73% |
Air pollutants
What is the current air quality in San Marcos?
PM2.5 concentration is currently 1.4 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 |
Health recommendations
Enjoy outdoor activities |
Open your windows to bring clean, fresh air indoors Get a monitor |
Most polluted locations near San Marcos
Worldwide AQI⁺ ranking
Historic air quality near San Marcos
History
Historic air quality graph for San Marcos
40 AQI⁺ US
Good
21:00–22:00 Oct 09 Local time
AQI⁺ US
Historic air quality near San Marcos
History
Historic air quality graph for San Marcos
40 AQI⁺ US
Good
21:00–22:00 Oct 09 Local time
AQI⁺ US
Most polluted locations near San Marcos
Worldwide AQI⁺ ranking
Be the first to measure and contribute air quality data to your community
Where is the cleanest air quality in San Marcos?
No locations are available.
