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
San Luis Obispo's air quality — share it
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
Air Quality Index Trend
18h · 1 stnSan 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
Which pollutant is driving the AQI?
PM2.5▲
7.0 µg/m³
PM10
20.55 µg/m³
050100150200300500
What is the weather forecast for San Luis Obispo?
Temperature & Precipitation
PM2.5 Trend
18h · 1 stationPM2.57.0 µg/m³
✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX0.7
Low
What is the 7-day forecast for San Luis Obispo?
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°
Both models agree
Avg diff: 3.8°C
Where are air quality stations near San Luis Obispo?
25
Atascadero-Lewis Avenue, San Luis Obispo, California
36
Atascadero-Lewis Avenue, San Luis Obispo, California
What cities are near San Luis Obispo?
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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.