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)
38
Good
Murrieta, California
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
6.55 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
11.94 μg/m³
0
55
155
255
425
605+
6.89 ppb
0
55
71
86
201
201+
0.74 ppb
0
36
76
186
605
1005+
7.53 ppb
0
54
101
361
1250
2050+
0.46 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Murrieta, California
Murrieta, California
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AQI 38
Good
7.37μg/m³
PM2.5
21.52μg/m³
PM10
3.62ppb
O3
0.84ppb
SO2
10.82ppb
NO2
0.39ppm
CO
AQI 38
Good
7.22μg/m³
PM2.5
24.65μg/m³
PM10
5.32ppb
O3
0.81ppb
SO2
9.00ppb
NO2
0.38ppm
CO
AQI 33
Good
5.74μg/m³
PM2.5
14.44μg/m³
PM10
8.59ppb
O3
0.82ppb
SO2
8.07ppb
NO2
0.38ppm
CO
AQI 27
Good
4.52μg/m³
PM2.5
14.14μg/m³
PM10
2.15ppb
O3
0.86ppb
SO2
11.85ppb
NO2
0.39ppm
CO
AQI 27
Good
4.99μg/m³
PM2.5
14.80μg/m³
PM10
3.23ppb
O3
0.86ppb
SO2
11.29ppb
NO2
0.39ppm
CO
AQI 78
Moderate
22.82μg/m³
PM2.5
110.12μg/m³
PM10
2.90ppb
O3
0.86ppb
SO2
8.61ppb
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 10:00:00 on 2026-09-07.
In the last 24 hours, the best air quality in Murrieta, California was observed at 01:00:00 on 2026-09-07.
As of now, the AQI in Murrieta, California is 38, 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 6.55 μg/m3.
The PM10 concentration in Murrieta, California is 11.936 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Murrieta, California is 0.46 ppm.
Currently, Murrieta, California has a sulfur dioxide (SO2) concentration of 0.739 ppb.
The current ozone (O3) level in Murrieta, California at the moment is 6.886 ppm.
Nitrogen dioxide (NO2) level in Murrieta, California at the moment is 7.525 ppb.
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