Air Quality in San Luis Obispo, United States

Windy
14.2°C · 54.0% humidity
14.2°
Feels 14.2°
29
Good
Air quality is satisfactory. Enjoy outdoor activities.
Model forecast

Nearby Monitoring Stations

AQI Forecast
34 6pm
34
34
29 9pm
30
24
25 12am
26
24
24 3am
25
25
25 6am
25
25
25 9am
25
25
25 12pm
25
25
25 3pm
25
25
AD 728×90

Air Quality Index Trend

18h · 1 stn

San Luis Obispo's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.

54.0%
Humidity
47.4 km/h
Wind NNW
1013.8 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
PM2.5
29
7.0 µg/m³
PM10
19
20.55 µg/m³
050100150200300500

Temperature & Precipitation

PM2.5 Trend

18h · 1 station
PM2.57.0 µg/m³ ✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
06-09
18.0° 13.4°
06-10
23.1° 12.6°
06-11
21.7° 13.5°
06-12
19.3° 11.8°
06-13
23.3° 11.8°
06-14
25.1° 12.2°
06-15
18.4° 12.3°
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Data sources: Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-06-09T04:01 UTC.