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

Good
Fine
Moderate
Poor
Very poor
Hazardous
6.96 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
29.29 μg/m³
0
55
155
255
425
605+
31.48 ppb
0
55
71
86
201
201+
0.50 ppb
0
36
76
186
605
1005+
5.42 ppb
0
54
101
361
1250
2050+
0.35 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Murrieta, California
Murrieta, California
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AQI 44
Good
7.92μg/m³
PM2.5
25.88μg/m³
PM10
34.63ppb
O3
0.51ppb
SO2
6.75ppb
NO2
0.35ppm
CO
AQI 38
Good
7.33μg/m³
PM2.5
30.84μg/m³
PM10
35.64ppb
O3
0.49ppb
SO2
9.32ppb
NO2
0.35ppm
CO
AQI 33
Good
6.40μg/m³
PM2.5
26.35μg/m³
PM10
33.28ppb
O3
0.49ppb
SO2
13.28ppb
NO2
0.35ppm
CO
AQI 44
Good
8.41μg/m³
PM2.5
25.08μg/m³
PM10
34.93ppb
O3
0.51ppb
SO2
4.70ppb
NO2
0.35ppm
CO
AQI 44
Good
8.25μg/m³
PM2.5
25.98μg/m³
PM10
34.52ppb
O3
0.50ppb
SO2
6.47ppb
NO2
0.35ppm
CO
AQI 44
Good
7.94μg/m³
PM2.5
31.65μg/m³
PM10
31.15ppb
O3
0.51ppb
SO2
5.41ppb
NO2
0.34ppm
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 Murrieta, California is updated every hour for accuracy.
In the past 24 hours, the air quality in Murrieta, California was at its worst at 11:00:00 on 2026-04-19.
In the last 24 hours, the best air quality in Murrieta, California was observed at 09:00:00 on 2026-04-20.
As of now, the AQI in Murrieta, California is 38, indicating Good conditions.
Murrieta, California air has the highest levels of PM2.5.
Poor air quality in Murrieta, California means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in Murrieta, California are currently 6.961 μg/m3.
The PM10 concentration in Murrieta, California is 29.286 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Murrieta, California is 0.353 ppm.
Currently, Murrieta, California has a sulfur dioxide (SO2) concentration of 0.5 ppb.
The current ozone (O3) level in Murrieta, California at the moment is 31.485 ppm.
Nitrogen dioxide (NO2) level in Murrieta, California at the moment is 5.425 ppb.
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