Air Quality in San Luis, United States
Windy
43.1°C · 7.7% humidity
43.1°
Feels 43.1°
57
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
Calibrated model
Nearby Monitoring Stations
San Luis's air quality — share it
AQI Forecast
54
2pm
54
54
57
5pm
34
34
34
8pm
54
54
54
11pm
54
54
54
2am
54
54
54
5am
34
34
34
8am
34
34
34
11am
34
54
Air Quality Index Trend
20h · 1 stnSan Luis's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration. Current PM2.5 concentration in San Luis is 3.0× the WHO annual guideline of 5 µg/m³.
7.7%
Humidity
43.0 km/h
Wind SSW
1006.1 hPa
Pressure
5.9
UV High
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
15.06 µg/m³
PM10
48.05 µg/m³
050100150200300500
What is the weather forecast for San Luis?
Temperature & Precipitation
PM2.5 Trend
20h · 1 stationPM2.515.06 µg/m³
✓ WHO
Moderate
PM1048.05 µg/m³
Good
UV INDEX5.9
High
What is the 7-day forecast for San Luis?
05-29
43.1° 19.9°
05-30
32.6° 22.3°
05-31
40.3° 24.3°
06-01
41.5° 23.1°
06-02
42.2° 19.8°
06-03
39.6° 16.6°
06-04
39.5° 19.5°
Both models agree
Avg diff: 3.5°C
Where are air quality stations near San Luis?
What cities are near San Luis?
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Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-05-29T00:24 UTC.