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)
27
Good
Murrieta, California
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
5.50 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
23.85 μg/m³
0
55
155
255
425
605+
24.59 ppb
0
55
71
86
201
201+
0.31 ppb
0
36
76
186
605
1005+
9.33 ppb
0
54
101
361
1250
2050+
0.34 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Murrieta, California
Murrieta, California
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AQI 36
Good
5.37μg/m³
PM2.5
24.82μg/m³
PM10
39.31ppb
O3
0.24ppb
SO2
2.99ppb
NO2
0.13ppm
CO
AQI 44
Good
7.69μg/m³
PM2.5
31.67μg/m³
PM10
39.89ppb
O3
0.23ppb
SO2
3.67ppb
NO2
0.18ppm
CO
AQI 44
Good
7.82μg/m³
PM2.5
28.21μg/m³
PM10
36.54ppb
O3
0.23ppb
SO2
3.27ppb
NO2
0.18ppm
CO
AQI 36
Good
3.92μg/m³
PM2.5
22.62μg/m³
PM10
39.27ppb
O3
0.24ppb
SO2
2.61ppb
NO2
0.10ppm
CO
AQI 38
Good
5.01μg/m³
PM2.5
24.51μg/m³
PM10
40.66ppb
O3
0.24ppb
SO2
3.14ppb
NO2
0.13ppm
CO
AQI 49
Good
8.70μg/m³
PM2.5
25.16μg/m³
PM10
42.01ppb
O3
0.24ppb
SO2
3.72ppb
NO2
0.18ppm
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 11:00:00 on 2025-09-05.
In the last 24 hours, the best air quality in Murrieta, California was observed at 03:00:00 on 2025-09-06.
As of now, the AQI in Murrieta, California is 27, 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 5.496 μg/m3.
The PM10 concentration in Murrieta, California is 23.854 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Murrieta, California is 0.336 ppm.
Currently, Murrieta, California has a sulfur dioxide (SO2) concentration of 0.307 ppb.
The current ozone (O3) level in Murrieta, California at the moment is 24.594 ppm.
Nitrogen dioxide (NO2) level in Murrieta, California at the moment is 9.328 ppb.
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