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)
29
Good
Santa Rosa, California
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
3.85 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
20.93 μg/m³
0
55
155
255
425
605+
30.83 ppb
0
55
71
86
201
201+
0.87 ppb
0
36
76
186
605
1005+
1.38 ppb
0
54
101
361
1250
2050+
0.26 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 38
Good
7.24μg/m³
PM2.5
34.87μg/m³
PM10
30.05ppb
O3
0.83ppb
SO2
1.77ppb
NO2
0.28ppm
CO
AQI 38
Good
7.01μg/m³
PM2.5
22.77μg/m³
PM10
32.23ppb
O3
0.83ppb
SO2
1.85ppb
NO2
0.28ppm
CO
AQI 31
Good
4.33μg/m³
PM2.5
16.50μg/m³
PM10
33.87ppb
O3
0.83ppb
SO2
1.88ppb
NO2
0.29ppm
CO
AQI 28
Good
3.28μg/m³
PM2.5
14.99μg/m³
PM10
29.78ppb
O3
0.83ppb
SO2
1.91ppb
NO2
0.31ppm
CO
AQI 32
Good
3.36μg/m³
PM2.5
18.06μg/m³
PM10
34.79ppb
O3
0.81ppb
SO2
2.42ppb
NO2
0.33ppm
CO
AQI 26
Good
3.34μg/m³
PM2.5
16.65μg/m³
PM10
27.84ppb
O3
0.85ppb
SO2
2.15ppb
NO2
0.31ppm
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 11:00:00 on 2025-06-06.
The best air quality in Santa Rosa, California was recorded at 12:00:00 on 2025-06-06.
The real-time air quality index in Santa Rosa, California is 29, currently categorized as Good.
The most common pollutant in Santa Rosa, California is O3.
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 3.848 μg/m3.
The current PM10 levels in Santa Rosa, California are 20.934 μg/m3.
The current carbon monoxide (CO) level in Santa Rosa, California is 0.261 ppm.
The current sulfur dioxide (SO2) levels in Santa Rosa, California are 0.874 ppb.
The current ozone (O3) levels at Santa Rosa, California is 30.834 ppm.
The current nitrogen dioxide (NO2) levels at Santa Rosa, California is 1.382 ppb.
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