Stay updated with real-time air quality in Roseville, 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)
38
Good
Roseville, California
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
3.38 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
9.98 μg/m³
0
55
155
255
425
605+
41.48 ppb
0
55
71
86
201
201+
0.54 ppb
0
36
76
186
605
1005+
3.42 ppb
0
54
101
361
1250
2050+
0.20 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Roseville, California
Roseville, California
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AQI 38
Good
3.10μg/m³
PM2.5
9.69μg/m³
PM10
41.01ppb
O3
0.54ppb
SO2
3.42ppb
NO2
0.20ppm
CO
AQI 36
Good
3.17μg/m³
PM2.5
10.91μg/m³
PM10
38.83ppb
O3
0.54ppb
SO2
3.68ppb
NO2
0.20ppm
CO
AQI 34
Good
3.33μg/m³
PM2.5
12.29μg/m³
PM10
36.54ppb
O3
0.54ppb
SO2
3.93ppb
NO2
0.20ppm
CO
AQI 37
Good
2.40μg/m³
PM2.5
8.36μg/m³
PM10
39.82ppb
O3
0.54ppb
SO2
3.27ppb
NO2
0.19ppm
CO
AQI 33
Good
3.28μg/m³
PM2.5
12.87μg/m³
PM10
36.41ppb
O3
0.54ppb
SO2
3.98ppb
NO2
0.20ppm
CO
AQI 32
Good
3.59μg/m³
PM2.5
14.53μg/m³
PM10
34.98ppb
O3
0.55ppb
SO2
4.06ppb
NO2
0.20ppm
CO
Air quality and pollutant data for California, USA are sourced from ground-based monitors and satellites, adhering to US EPA standards. Machine learning and advanced algorithms enhance the data by incorporating local variables like traffic and population density, ensuring high accuracy and dependability.
Source: Ambee Data Sources
The air quality information for Roseville, California is updated every hour for accuracy.
In the past 24 hours, the air quality in Roseville, California was at its worst at 01:00:00 on 2026-06-24.
In the last 24 hours, the best air quality in Roseville, California was observed at 03:00:00 on 2026-06-23.
As of now, the AQI in Roseville, California is 38, indicating Good conditions.
Roseville, California air has the highest levels of O3.
Poor air quality in Roseville, California means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in Roseville, California are currently 3.378 μg/m3.
The PM10 concentration in Roseville, California is 9.981 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Roseville, California is 0.195 ppm.
Currently, Roseville, California has a sulfur dioxide (SO2) concentration of 0.537 ppb.
The current ozone (O3) level in Roseville, California at the moment is 41.482 ppm.
Nitrogen dioxide (NO2) level in Roseville, California at the moment is 3.416 ppb.
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