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
10.51 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
40.41 μg/m³
0
55
155
255
425
605+
23.31 ppb
0
55
71
86
201
201+
0.49 ppb
0
36
76
186
605
1005+
10.27 ppb
0
54
101
361
1250
2050+
0.29 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Rossmoor, California
Rossmoor, California
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AQI 49
Good
8.66μg/m³
PM2.5
27.65μg/m³
PM10
21.11ppb
O3
0.48ppb
SO2
14.06ppb
NO2
0.36ppm
CO
AQI 54
Moderate
10.65μg/m³
PM2.5
39.97μg/m³
PM10
23.06ppb
O3
0.43ppb
SO2
8.19ppb
NO2
0.32ppm
CO
AQI 52
Moderate
10.00μg/m³
PM2.5
35.78μg/m³
PM10
22.90ppb
O3
0.39ppb
SO2
8.96ppb
NO2
0.35ppm
CO
AQI 52
Moderate
10.49μg/m³
PM2.5
39.31μg/m³
PM10
23.50ppb
O3
0.51ppb
SO2
8.27ppb
NO2
0.44ppm
CO
AQI 54
Moderate
10.69μg/m³
PM2.5
39.40μg/m³
PM10
23.34ppb
O3
0.50ppb
SO2
8.18ppb
NO2
0.41ppm
CO
AQI 49
Good
9.29μg/m³
PM2.5
33.20μg/m³
PM10
22.94ppb
O3
0.21ppb
SO2
8.55ppb
NO2
0.28ppm
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 06:00:00 on 2026-08-11.
In the last 24 hours, the best air quality in Rossmoor, California was observed at 03:00:00 on 2026-08-12.
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 10.508 μg/m3.
The PM10 concentration in Rossmoor, California is 40.413 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Rossmoor, California is 0.293 ppm.
Currently, Rossmoor, California has a sulfur dioxide (SO2) concentration of 0.489 ppb.
The current ozone (O3) level in Rossmoor, California at the moment is 23.311 ppm.
Nitrogen dioxide (NO2) level in Rossmoor, California at the moment is 10.274 ppb.
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