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)
54
Moderate
Rossmoor, California
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
11.29 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
42.35 μg/m³
0
55
155
255
425
605+
42.61 ppb
0
55
71
86
201
201+
1.22 ppb
0
36
76
186
605
1005+
9.66 ppb
0
54
101
361
1250
2050+
0.21 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Rossmoor, California
Rossmoor, California
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AQI 54
Moderate
11.16μg/m³
PM2.5
43.69μg/m³
PM10
49.84ppb
O3
1.16ppb
SO2
12.29ppb
NO2
0.26ppm
CO
AQI 56
Moderate
11.98μg/m³
PM2.5
48.61μg/m³
PM10
42.65ppb
O3
1.17ppb
SO2
8.73ppb
NO2
0.21ppm
CO
AQI 56
Moderate
11.54μg/m³
PM2.5
44.15μg/m³
PM10
43.80ppb
O3
1.19ppb
SO2
9.52ppb
NO2
0.23ppm
CO
AQI 56
Moderate
11.88μg/m³
PM2.5
50.11μg/m³
PM10
46.95ppb
O3
1.10ppb
SO2
8.88ppb
NO2
0.30ppm
CO
AQI 56
Moderate
11.90μg/m³
PM2.5
50.06μg/m³
PM10
46.63ppb
O3
1.11ppb
SO2
9.31ppb
NO2
0.29ppm
CO
AQI 49
Good
9.00μg/m³
PM2.5
35.46μg/m³
PM10
41.08ppb
O3
1.30ppb
SO2
7.02ppb
NO2
0.19ppm
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 10:00:00 on 2026-07-23.
In the last 24 hours, the best air quality in Rossmoor, California was observed at 04:00:00 on 2026-07-23.
As of now, the AQI in Rossmoor, California is 54, indicating Moderate 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 11.291 μg/m3.
The PM10 concentration in Rossmoor, California is 42.346 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Rossmoor, California is 0.207 ppm.
Currently, Rossmoor, California has a sulfur dioxide (SO2) concentration of 1.215 ppb.
The current ozone (O3) level in Rossmoor, California at the moment is 42.612 ppm.
Nitrogen dioxide (NO2) level in Rossmoor, California at the moment is 9.661 ppb.
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