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)
43
Good
Murrieta, California
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
1.58 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
17.81 μg/m³
0
55
155
255
425
605+
45.77 ppb
0
55
71
86
201
201+
0.41 ppb
0
36
76
186
605
1005+
1.71 ppb
0
54
101
361
1250
2050+
0.17 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Murrieta, California
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AQI 44
Good
1.22μg/m³
PM2.5
15.09μg/m³
PM10
46.82ppb
O3
0.41ppb
SO2
1.49ppb
NO2
0.18ppm
CO
AQI 41
Good
1.82μg/m³
PM2.5
10.97μg/m³
PM10
44.07ppb
O3
0.40ppb
SO2
1.71ppb
NO2
0.18ppm
CO
AQI 40
Good
1.50μg/m³
PM2.5
14.58μg/m³
PM10
43.14ppb
O3
0.41ppb
SO2
1.28ppb
NO2
0.18ppm
CO
AQI 44
Good
0.75μg/m³
PM2.5
15.83μg/m³
PM10
47.92ppb
O3
0.42ppb
SO2
1.32ppb
NO2
0.18ppm
CO
AQI 44
Good
0.95μg/m³
PM2.5
15.19μg/m³
PM10
47.04ppb
O3
0.41ppb
SO2
1.38ppb
NO2
0.18ppm
CO
AQI 44
Good
4.48μg/m³
PM2.5
16.08μg/m³
PM10
47.62ppb
O3
0.42ppb
SO2
1.62ppb
NO2
0.17ppm
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 02:00:00 on 2026-03-06.
In the last 24 hours, the best air quality in Murrieta, California was observed at 11:00:00 on 2026-03-06.
As of now, the AQI in Murrieta, California is 43, indicating Good conditions.
Murrieta, California air has the highest levels of O3.
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 1.578 μg/m3.
The PM10 concentration in Murrieta, California is 17.806 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Murrieta, California is 0.167 ppm.
Currently, Murrieta, California has a sulfur dioxide (SO2) concentration of 0.405 ppb.
The current ozone (O3) level in Murrieta, California at the moment is 45.774 ppm.
Nitrogen dioxide (NO2) level in Murrieta, California at the moment is 1.71 ppb.
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