What is the air quality in San Luis today?

The current Air Quality Index (AQI) in San Luis is 49 (Good). PM2.5 concentration is 11.82 µg/m³.

What is the temperature in San Luis right now?

The current temperature in San Luis is 35.1°C (feels like 35.1°C). Humidity is 9.1% and wind speed is 71.1 km/h.

Is it safe to go outside in San Luis?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 0.0 (Low).

Air Quality in San Luis, United States

Windy

35.1°C · 9.1% humidity

35.1°

Feels 35.1°

Good

Air quality is satisfactory. Enjoy outdoor activities.

Calibrated model

Nearby Monitoring Stations

AQI Forecast

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Air Quality Index Trend

22h · 1 stn

View full history →

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.

9.1%

Humidity

71.1 km/h

Wind E

1015.1 hPa

Pressure

0.0

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5

11.82 µg/m³

PM10▲

54.9 µg/m³

050100150200300500

What is the weather forecast for San Luis?

Temperature & Precipitation

PM2.5 Trend

22h · 1 station

PM2.511.82 µg/m³ ✓ WHO

Good

PM1054.9 µg/m³

Moderate

UV INDEX0.0

Low

What is the 7-day forecast for San Luis?

10-20

36.4° 26.0°

10-21

33.1° 21.6°

10-22

33.7° 21.3°

10-23

31.1° 22.3°

10-24

32.6° 19.9°

10-25

29.9° 19.8°

10-26

34.8° 22.6°

0.13 mm

Both models agree Avg diff: 4.6°C

Where are air quality stations near San Luis?

Yuma Supersite, Arizona, USA

27.5 km PM2.5: 11.3 µg/m³

Yuma Supersite, Arizona, USA

27.5 km PM2.5: 7.4 µg/m³

What cities are near San Luis?

51 San Luis Río Colorado 39 Somerton 39 Yuma 39 Guadalupe Victoria 39 Fortuna Foothills 54 Puebla 54 Mexicali 54 Calexico 54 Santa Isabel 54 El Centro

Get AQI alerts for San Luis

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ModerateAQI > 50 Unhealthy for Sensitive GroupsAQI > 100 UnhealthyAQI > 150 Very UnhealthyAQI > 200

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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 2026-10-20T20:57 UTC.