AddAir quality in San Marcos
Air quality index (AQI⁺) and PM2.5 air pollution in San Marcos • 10 Followers • 15:00, Aug 25 Local time
32*
US AQI⁺Good
Main pollutant:
PM2.5
5.8 µg/m³
28°
21 km/h
54 %
Hourly forecast
San Marcos air quality index (AQI⁺) forecast
Daily forecast
|
San Marcos air quality index (AQI⁺) forecast
| Today | 32 |  | 30° 23° |  23 km/h | 68% |
| Wed | 36 | | 32° 23° | 21 km/h | 64% |
| Thu | 49 |  | 31° 23° | 23 km/h | 70% |
Air pollutants
What is the current air quality in San Marcos?
PM2.5 concentration is currently 1.2 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
32 AQI⁺ US
Good
15:00–16:00 Aug 25 Local time
AQI⁺ US
Historic air quality near San Marcos
History
Historic air quality graph for San Marcos
32 AQI⁺ US
Good
15:00–16:00 Aug 25 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.
