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)
52
Moderate
Murrieta, California
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
9.52 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
37.65 μg/m³
0
55
155
255
425
605+
52.90 ppb
0
55
71
86
201
201+
0.86 ppb
0
36
76
186
605
1005+
4.95 ppb
0
54
101
361
1250
2050+
0.32 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Murrieta, California
Murrieta, California
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AQI 67
Moderate
10.77μg/m³
PM2.5
32.92μg/m³
PM10
59.88ppb
O3
1.02ppb
SO2
4.59ppb
NO2
0.40ppm
CO
AQI 49
Good
6.43μg/m³
PM2.5
25.99μg/m³
PM10
53.40ppb
O3
1.05ppb
SO2
5.29ppb
NO2
0.40ppm
CO
AQI 49
Good
7.60μg/m³
PM2.5
31.79μg/m³
PM10
52.53ppb
O3
1.04ppb
SO2
5.32ppb
NO2
0.40ppm
CO
AQI 84
Moderate
12.50μg/m³
PM2.5
35.81μg/m³
PM10
65.25ppb
O3
1.00ppb
SO2
4.12ppb
NO2
0.40ppm
CO
AQI 74
Moderate
11.67μg/m³
PM2.5
35.54μg/m³
PM10
62.38ppb
O3
0.99ppb
SO2
4.76ppb
NO2
0.40ppm
CO
AQI 58
Moderate
11.50μg/m³
PM2.5
36.51μg/m³
PM10
56.80ppb
O3
1.01ppb
SO2
6.01ppb
NO2
0.39ppm
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 04:00:00 on 2026-08-08.
In the last 24 hours, the best air quality in Murrieta, California was observed at 02:00:00 on 2026-08-08.
As of now, the AQI in Murrieta, California is 49, 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 9.133 μg/m3.
The PM10 concentration in Murrieta, California is 30.444 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Murrieta, California is 0.403 ppm.
Currently, Murrieta, California has a sulfur dioxide (SO2) concentration of 1.037 ppb.
The current ozone (O3) level in Murrieta, California at the moment is 47.899 ppm.
Nitrogen dioxide (NO2) level in Murrieta, California at the moment is 5.595 ppb.
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