Air Quality in Santa Rosa, United States
Clear
27.4°C · 29.3% humidity
27.4°
Feels 27.4°
91
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
Model forecast
Nearby Monitoring Stations
Santa Rosa's air quality — share it
AQI Forecast
34
2pm
34
34
91
5pm
81
73
68
8pm
64
61
59
11pm
58
37
36
2am
35
28
28
5am
27
27
27
8am
27
27
34
11am
34
34
Air Quality Index Trend
45h · 18 stnSanta Rosa'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 Santa Rosa is 2.1× the WHO 24-hour guideline of 15 µg/m³.
29.3%
Humidity
20.3 km/h
Wind SSW
1010.3 hPa
Pressure
17.4
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
30.95 µg/m³
PM10
91.15 µg/m³
050100150200300500
What is the weather forecast for Santa Rosa?
Temperature & Precipitation
PM2.5 Trend
45h · 18 stationsPM2.530.95 µg/m³
×2.1 WHO
Moderate
PM1091.15 µg/m³
Moderate
UV INDEX17.4
Extreme
What is the 7-day forecast for Santa Rosa?
08-03
29.2° 12.9°
08-04
25.0° 12.8°
08-05
32.8° 12.4°
08-06
29.5° 11.2°
08-07
28.3° 13.6°
08-08
29.7° 10.6°
08-09
32.3° 10.9°
Both models agree
Avg diff: 3.1°C
Where are air quality stations near Santa Rosa?
20
Sebastopol-103 Morris Street, Sonoma, California
23
Hilltop Water Tank
53
Healdsburg
15
Healdsburg Plaza
20
Healdsburg Swim Center
16
Guerneville Veteran's Memorial Building
23
Barbieri Park
What cities are near Santa Rosa?
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Data sources: Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-08-08T00:00 UTC.