Stay updated with real-time air quality in Rossmoor, 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)
44
Good
Rossmoor, California
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
7.52 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
18.41 μg/m³
0
55
155
255
425
605+
5.37 ppb
0
55
71
86
201
201+
0.46 ppb
0
36
76
186
605
1005+
11.79 ppb
0
54
101
361
1250
2050+
0.52 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Rossmoor, California
Rossmoor, California
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AQI 38
Good
6.50μg/m³
PM2.5
11.50μg/m³
PM10
6.80ppb
O3
0.54ppb
SO2
12.02ppb
NO2
0.52ppm
CO
AQI 33
Good
6.35μg/m³
PM2.5
18.15μg/m³
PM10
4.63ppb
O3
0.50ppb
SO2
11.34ppb
NO2
0.52ppm
CO
AQI 44
Good
8.13μg/m³
PM2.5
21.66μg/m³
PM10
4.88ppb
O3
0.49ppb
SO2
12.04ppb
NO2
0.54ppm
CO
AQI 49
Good
8.61μg/m³
PM2.5
26.46μg/m³
PM10
3.40ppb
O3
0.57ppb
SO2
12.00ppb
NO2
0.58ppm
CO
AQI 44
Good
8.22μg/m³
PM2.5
24.86μg/m³
PM10
3.72ppb
O3
0.56ppb
SO2
11.69ppb
NO2
0.57ppm
CO
AQI 38
Good
6.99μg/m³
PM2.5
10.42μg/m³
PM10
6.00ppb
O3
0.40ppb
SO2
11.40ppb
NO2
0.48ppm
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 Rossmoor, California is updated every hour for accuracy.
In the past 24 hours, the air quality in Rossmoor, California was at its worst at 03:00:00 on 2026-09-07.
In the last 24 hours, the best air quality in Rossmoor, California was observed at 11:00:00 on 2026-09-07.
As of now, the AQI in Rossmoor, California is 44, indicating Good conditions.
Rossmoor, California air has the highest levels of PM2.5.
Poor air quality in Rossmoor, California means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in Rossmoor, California are currently 7.517 μg/m3.
The PM10 concentration in Rossmoor, California is 18.407 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Rossmoor, California is 0.516 ppm.
Currently, Rossmoor, California has a sulfur dioxide (SO2) concentration of 0.463 ppb.
The current ozone (O3) level in Rossmoor, California at the moment is 5.37 ppm.
Nitrogen dioxide (NO2) level in Rossmoor, California at the moment is 11.794 ppb.
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