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)
67
Moderate
Murrieta, California
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
12.25 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
61.39 μg/m³
0
55
155
255
425
605+
59.82 ppb
0
55
71
86
201
201+
0.88 ppb
0
36
76
186
605
1005+
3.39 ppb
0
54
101
361
1250
2050+
0.27 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
8.53μg/m³
PM2.5
26.66μg/m³
PM10
60.16ppb
O3
0.87ppb
SO2
2.91ppb
NO2
0.27ppm
CO
AQI 46
Good
6.39μg/m³
PM2.5
26.39μg/m³
PM10
50.26ppb
O3
0.90ppb
SO2
3.38ppb
NO2
0.27ppm
CO
AQI 44
Good
5.61μg/m³
PM2.5
20.56μg/m³
PM10
47.74ppb
O3
0.89ppb
SO2
3.44ppb
NO2
0.27ppm
CO
AQI 90
Moderate
9.60μg/m³
PM2.5
28.20μg/m³
PM10
67.47ppb
O3
0.85ppb
SO2
2.41ppb
NO2
0.27ppm
CO
AQI 87
Moderate
9.39μg/m³
PM2.5
30.42μg/m³
PM10
66.07ppb
O3
0.84ppb
SO2
2.73ppb
NO2
0.27ppm
CO
AQI 87
Moderate
12.83μg/m³
PM2.5
74.06μg/m³
PM10
65.90ppb
O3
0.84ppb
SO2
3.58ppb
NO2
0.27ppm
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 03:00:00 on 2026-07-23.
In the last 24 hours, the best air quality in Murrieta, California was observed at 10:00:00 on 2026-07-23.
As of now, the AQI in Murrieta, California is 67, indicating Moderate 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 12.25 μg/m3.
The PM10 concentration in Murrieta, California is 61.392 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Murrieta, California is 0.273 ppm.
Currently, Murrieta, California has a sulfur dioxide (SO2) concentration of 0.883 ppb.
The current ozone (O3) level in Murrieta, California at the moment is 59.822 ppm.
Nitrogen dioxide (NO2) level in Murrieta, California at the moment is 3.393 ppb.
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