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)
52
Moderate
Roseville, California
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
10.22 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
14.79 μg/m³
0
55
155
255
425
605+
21.15 ppb
0
55
71
86
201
201+
0.68 ppb
0
36
76
186
605
1005+
5.38 ppb
0
54
101
361
1250
2050+
0.40 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Roseville, California
Roseville, California
Scroll To Air Quality MapLoading...
AQI 54
Moderate
10.72μg/m³
PM2.5
19.35μg/m³
PM10
19.50ppb
O3
0.72ppb
SO2
5.68ppb
NO2
0.39ppm
CO
AQI 54
Moderate
11.34μg/m³
PM2.5
29.12μg/m³
PM10
21.24ppb
O3
0.72ppb
SO2
6.58ppb
NO2
0.39ppm
CO
AQI 56
Moderate
12.11μg/m³
PM2.5
41.06μg/m³
PM10
21.88ppb
O3
0.73ppb
SO2
7.65ppb
NO2
0.39ppm
CO
AQI 44
Good
8.29μg/m³
PM2.5
23.09μg/m³
PM10
20.93ppb
O3
0.72ppb
SO2
5.96ppb
NO2
0.39ppm
CO
AQI 56
Moderate
11.81μg/m³
PM2.5
42.23μg/m³
PM10
23.66ppb
O3
0.73ppb
SO2
7.62ppb
NO2
0.39ppm
CO
AQI 58
Moderate
12.53μg/m³
PM2.5
51.24μg/m³
PM10
24.90ppb
O3
0.73ppb
SO2
8.23ppb
NO2
0.39ppm
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 10:00:00 on 2026-10-22.
In the last 24 hours, the best air quality in Roseville, California was observed at 12:00:00 on 2026-10-22.
As of now, the AQI in Roseville, California is 52, indicating Moderate conditions.
Roseville, California air has the highest levels of PM2.5.
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 10.22 μg/m3.
The PM10 concentration in Roseville, California is 14.786 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Roseville, California is 0.401 ppm.
Currently, Roseville, California has a sulfur dioxide (SO2) concentration of 0.675 ppb.
The current ozone (O3) level in Roseville, California at the moment is 21.148 ppm.
Nitrogen dioxide (NO2) level in Roseville, California at the moment is 5.385 ppb.
All Rights Reserved © Ambee Inc. 2025