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)
37
Good
Murrieta, California
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
2.23 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
7.95 μg/m³
0
55
155
255
425
605+
39.51 ppb
0
55
71
86
201
201+
0.31 ppb
0
36
76
186
605
1005+
2.59 ppb
0
54
101
361
1250
2050+
0.22 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
High
Murrieta, California
Murrieta, California
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AQI 38
Good
3.76μg/m³
PM2.5
7.41μg/m³
PM10
40.66ppb
O3
0.31ppb
SO2
1.61ppb
NO2
0.22ppm
CO
AQI 36
Good
3.23μg/m³
PM2.5
8.97μg/m³
PM10
39.06ppb
O3
0.30ppb
SO2
2.88ppb
NO2
0.22ppm
CO
AQI 33
Good
5.01μg/m³
PM2.5
6.18μg/m³
PM10
36.30ppb
O3
0.30ppb
SO2
3.07ppb
NO2
0.22ppm
CO
AQI 39
Good
3.69μg/m³
PM2.5
7.01μg/m³
PM10
41.91ppb
O3
0.31ppb
SO2
0.88ppb
NO2
0.22ppm
CO
AQI 38
Good
3.69μg/m³
PM2.5
7.12μg/m³
PM10
41.20ppb
O3
0.31ppb
SO2
1.41ppb
NO2
0.21ppm
CO
AQI 38
Good
2.03μg/m³
PM2.5
10.25μg/m³
PM10
40.69ppb
O3
0.31ppb
SO2
2.54ppb
NO2
0.21ppm
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 2026-10-22.
In the last 24 hours, the best air quality in Murrieta, California was observed at 11:00:00 on 2026-10-22.
As of now, the AQI in Murrieta, California is 37, 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 2.226 μg/m3.
The PM10 concentration in Murrieta, California is 7.953 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Murrieta, California is 0.222 ppm.
Currently, Murrieta, California has a sulfur dioxide (SO2) concentration of 0.306 ppb.
The current ozone (O3) level in Murrieta, California at the moment is 39.505 ppm.
Nitrogen dioxide (NO2) level in Murrieta, California at the moment is 2.593 ppb.
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