Stay updated with real-time air quality in Santa Rosa, California featuring accurate data on AQI, PM2.5, PM10, O3, NO2, SO2, and CO levels. Use our interactive map and detailed forecasts to monitor pollution trends, manage health risks, and plan your daily activities with confidence.
Live AQI (Air Quality Index)
16
Good
Santa Rosa, California
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
3.13 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
14.21 μg/m³
0
55
155
255
425
605+
13.79 ppb
0
55
71
86
201
201+
0.34 ppb
0
36
76
186
605
1005+
1.73 ppb
0
54
101
361
1250
2050+
0.25 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Santa Rosa, California
Santa Rosa, California
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AQI 16
Good
2.88μg/m³
PM2.5
15.07μg/m³
PM10
13.40ppb
O3
0.34ppb
SO2
1.78ppb
NO2
0.26ppm
CO
AQI 17
Good
3.05μg/m³
PM2.5
18.15μg/m³
PM10
14.14ppb
O3
0.34ppb
SO2
2.22ppb
NO2
0.26ppm
CO
AQI 22
Good
3.31μg/m³
PM2.5
23.93μg/m³
PM10
15.80ppb
O3
0.34ppb
SO2
2.49ppb
NO2
0.27ppm
CO
AQI 17
Good
2.86μg/m³
PM2.5
11.18μg/m³
PM10
17.61ppb
O3
0.34ppb
SO2
2.06ppb
NO2
0.29ppm
CO
AQI 19
Good
2.69μg/m³
PM2.5
12.22μg/m³
PM10
21.20ppb
O3
0.35ppb
SO2
2.20ppb
NO2
0.30ppm
CO
AQI 27
Good
4.89μg/m³
PM2.5
18.37μg/m³
PM10
17.86ppb
O3
0.33ppb
SO2
2.46ppb
NO2
0.30ppm
CO
Air quality measurements for California, USA meet strict US EPA standards. These measurements are collected from reliable sources, including satellites and ground-based monitoring systems. Advanced algorithms and machine learning techniques are applied to the data, factoring in variables such as traffic and population density, to ensure precision and reliability.
Source: Ambee Data Sources
Air quality data for Santa Rosa, California is updated on an hourly basis.
The worst air quality in Santa Rosa, California was recorded at 01:00:00 on 2025-07-14.
The best air quality in Santa Rosa, California was recorded at 04:00:00 on 2025-07-14.
The real-time air quality index in Santa Rosa, California is 16, currently categorized as Good.
The most common pollutant in Santa Rosa, California is PM2.5.
If the air quality in Santa Rosa, California is poor, limit outdoor activities and use a mask to safeguard your health.
The measured PM2.5 levels in Santa Rosa, California at present are 3.13 μg/m3.
The current PM10 levels in Santa Rosa, California are 14.206 μg/m3.
The current carbon monoxide (CO) level in Santa Rosa, California is 0.253 ppm.
The current sulfur dioxide (SO2) levels in Santa Rosa, California are 0.343 ppb.
The current ozone (O3) levels at Santa Rosa, California is 13.787 ppm.
The current nitrogen dioxide (NO2) levels at Santa Rosa, California is 1.729 ppb.
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