Air Quality in San Luis, United States

Clear
39.0°C · 25.9% humidity
39.0°
Feels 39.0°
54
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
Calibrated model

Nearby Monitoring Stations

AQI Forecast
54 10am
54
54
54 1pm
54
54
54 4pm
34
34
34 7pm
54
54
54 10pm
54
54
54 1am
54
54
54 4am
54
34
34 7am
34
54
AD 728×90

Air Quality Index Trend

19h · 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.

25.9%
Humidity
12.4 km/h
Wind SSW
1003.5 hPa
Pressure
29.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5
54
13.27 µg/m³
PM10▲
63
79.9 µg/m³
050100150200300500

What is the weather forecast for San Luis?

Temperature & Precipitation

PM2.5 Trend

19h · 1 station
PM2.513.27 µg/m³ ✓ WHO
Moderate
PM1079.9 µg/m³
Moderate
UV INDEX29.9
Extreme
AD 300×250

What is the 7-day forecast for San Luis?

07-21
41.4° 33.4°
07-22
45.2° 30.0°
07-23
40.6° 31.7°
0.19 mm
07-24
41.6° 32.0°
07-25
43.0° 31.6°
07-26
41.8° 29.1°
07-27
42.4° 33.2°
Both models agree Avg diff: 2.5°C

Where are air quality stations near San Luis?

30
Yuma Supersite, Arizona, USA
27.5 km PM2.5: 7.2 µg/m³

What cities are near San Luis?

54 San Luis Río Colorado 23 Somerton 23 Yuma 53 Guadalupe Victoria 23 Fortuna Foothills 54 Puebla 45 Mexicali 45 Calexico 45 Santa Isabel 34 El Centro
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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 2026-07-21T20:15 UTC.