Air Quality in San Luis, United States
Clear
19.9°C · 31.0% humidity
19.9°
Feels 19.9°
29
Good
Air quality is satisfactory. Enjoy outdoor activities.
Calibrated model
Nearby Monitoring Stations
San Luis's air quality — share it
AQI Forecast
54
4am
54
34
29
7am
30
31
32
10am
33
33
53
1pm
54
54
54
4pm
54
27
27
7pm
27
27
27
10pm
34
34
27
1am
27
27
Air Quality Index Trend
22h · 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 1.4× the WHO annual guideline of 5 µg/m³.
31.0%
Humidity
15.4 km/h
Wind NNW
1008.1 hPa
Pressure
2.2
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5
6.95 µg/m³
PM10▲
41.2 µg/m³
050100150200300500
What is the weather forecast for San Luis?
Temperature & Precipitation
PM2.5 Trend
22h · 1 stationPM2.56.95 µg/m³
✓ WHO
Good
PM1041.2 µg/m³
Good
UV INDEX2.2
Moderate
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: 2.8°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 2026-05-29T14:52 UTC.