Air quality in San Marcos
Air quality index (AQI⁺) and PM2.5 air pollution in San Marcos • 10 Followers • 21:00, Jun 05 Local time
18*
US AQI⁺Good
Main pollutant:
PM2.5
3.3 µg/m³
23°
5 km/h
92 %
Hourly forecast
San Marcos air quality index (AQI⁺) forecast
Daily forecast
|
San Marcos air quality index (AQI⁺) forecast
| Today | 21 | 27° 21° | 10 km/h | 91% | |
| Sun | 17 | 24° 21° | 14 km/h | 94% | |
| Mon | 12 | 90% | 21° 20° | 18 km/h | 98% |
Air pollutants
What is the current air quality in San Marcos?
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 Marcos
Protect yourself from air pollution in San Marcos
Health recommendations
Enjoy outdoor activities |
Open your windows to bring clean, fresh air indoors Get a monitor |
Protect yourself from air pollution in San Marcos
Protect yourself from air pollution in San Marcos
Most polluted locations near San Marcos
Worldwide AQI⁺ rankingHistoric air quality near San Marcos
History
Historic air quality graph for San Marcos
18 AQI⁺ US
Good
21:00–22:00 Jun 05 Local time
AQI⁺ US
Historic air quality near San Marcos
History
Historic air quality graph for San Marcos
18 AQI⁺ US
Good
21:00–22:00 Jun 05 Local time
AQI⁺ US
Most polluted locations near San Marcos
Worldwide AQI⁺ rankingBe 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.












