Air Quality in San Marcos, NI
Windy
32.2°C · 31.6% humidity
32.2°
Feels 32.2°
18
Good
Air quality is satisfactory. Enjoy outdoor activities.
Model forecast
Nearby Monitoring Stations
AQI Forecast
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31.6%
Humidity
65.6 km/h
Wind E
1006.2 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
What is the weather forecast for San Marcos?
Temperature & Precipitation
PM2.54.4 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
What is the 7-day forecast for San Marcos?
04-09
34.8° 21.5°
04-10
34.0° 21.1°
04-11
34.9° 20.8°
04-12
33.1° 23.1°
04-13
33.8° 23.6°
04-14
33.1° 22.5°
04-15
32.7° 21.7°
Both models agree
Avg diff: 1.2°C
What cities are near San Marcos?
Data sources: Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-04-09T22:29 UTC.