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)
33
Good
Murrieta, California
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
3.06 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
29.21 μg/m³
0
55
155
255
425
605+
36.24 ppb
0
55
71
86
201
201+
0.68 ppb
0
36
76
186
605
1005+
19.35 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 34
Good
1.65μg/m³
PM2.5
28.23μg/m³
PM10
36.86ppb
O3
0.60ppb
SO2
7.04ppb
NO2
0.14ppm
CO
AQI 32
Good
2.40μg/m³
PM2.5
14.48μg/m³
PM10
35.42ppb
O3
0.58ppb
SO2
9.28ppb
NO2
0.20ppm
CO
AQI 35
Good
0.62μg/m³
PM2.5
15.06μg/m³
PM10
37.81ppb
O3
0.58ppb
SO2
8.72ppb
NO2
0.20ppm
CO
AQI 34
Good
0.92μg/m³
PM2.5
33.67μg/m³
PM10
36.96ppb
O3
0.60ppb
SO2
4.96ppb
NO2
0.10ppm
CO
AQI 34
Good
1.14μg/m³
PM2.5
29.89μg/m³
PM10
36.72ppb
O3
0.58ppb
SO2
5.67ppb
NO2
0.12ppm
CO
AQI 35
Good
2.15μg/m³
PM2.5
18.28μg/m³
PM10
38.07ppb
O3
0.59ppb
SO2
9.52ppb
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 12:00:00 on 2025-12-10.
In the last 24 hours, the best air quality in Murrieta, California was observed at 11:00:00 on 2025-12-09.
As of now, the AQI in Murrieta, California is 33, 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 3.06 μg/m3.
The PM10 concentration in Murrieta, California is 29.207 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Murrieta, California is 0.321 ppm.
Currently, Murrieta, California has a sulfur dioxide (SO2) concentration of 0.68 ppb.
The current ozone (O3) level in Murrieta, California at the moment is 36.236 ppm.
Nitrogen dioxide (NO2) level in Murrieta, California at the moment is 19.346 ppb.
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