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

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
AD 728×90

Air Quality Index Trend

22h · 1 stn

San 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
PM2.5
29
6.95 µg/m³
PM10
38
41.2 µg/m³
050100150200300500

Temperature & Precipitation

PM2.5 Trend

22h · 1 station
PM2.56.95 µg/m³ ✓ WHO
Good
PM1041.2 µg/m³
Good
UV INDEX2.2
Moderate
AD 300×250
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°
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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.