AddAir quality in San Marcos
Air quality index (AQI⁺) and PM2.5 air pollution in San Marcos • 4.2K Followers • 22:00, Nov 04 Local time
9
US AQI⁺Good
Main pollutant:
PM2.5
1.7 µg/m³
17°
5 km/h
91 %
Hourly forecast
San Marcos air quality index (AQI⁺) forecast
Daily forecast
San Marcos air quality index (AQI⁺) forecast
| Today | 19 |  | 24° 15° |  14 km/h | 52% |
| Thu | 25 |  | 26° 16° | 15 km/h | 37% |
| Fri | 37 | | 28° 16° | 17 km/h | 26% |
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
Air Purifiers
Face Masks
Air Quality Monitors
Pollen
What is the pollen count in San Marcos today?
Index
Moderate
 Tree Low | 25% |
 Grass None | 0% |
 Weed Moderate | 50% |
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 Marcos today?
Index
Moderate
Tree Low | 25% |
Grass None | 0% |
Weed Moderate | 50% |
Source:
wetter.comProtect yourself from air pollution in San Marcos
Air Purifiers
Face Masks
Air Quality Monitors
Most polluted locations near San Marcos
Worldwide AQI⁺ ranking
Station ranking
Real-time AQI⁺ station ranking for stations in San Marcos
City ranking
Real-time USA AQI⁺ city ranking
Historic air quality near San Marcos
History
Historic air quality graph for San Marcos
Historic air quality near San Marcos
History
Historic air quality graph for San Marcos
Most polluted locations near San Marcos
Worldwide AQI⁺ rankingStation ranking
Real-time AQI⁺ station ranking for stations in San Marcos
City ranking
Real-time USA AQI⁺ city ranking
Measure your own air quality
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