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)
28
Good
Murrieta, California
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
4.57 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
15.76 μg/m³
0
55
155
255
425
605+
29.56 ppb
0
55
71
86
201
201+
0.37 ppb
0
36
76
186
605
1005+
4.11 ppb
0
54
101
361
1250
2050+
0.12 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Murrieta, California
Murrieta, California
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AQI 37
Good
5.13μg/m³
PM2.5
18.84μg/m³
PM10
40.17ppb
O3
0.23ppb
SO2
1.53ppb
NO2
0.12ppm
CO
AQI 38
Good
6.71μg/m³
PM2.5
29.78μg/m³
PM10
38.27ppb
O3
0.24ppb
SO2
2.29ppb
NO2
0.13ppm
CO
AQI 49
Good
9.33μg/m³
PM2.5
41.68μg/m³
PM10
39.06ppb
O3
0.24ppb
SO2
2.20ppb
NO2
0.13ppm
CO
AQI 38
Good
3.70μg/m³
PM2.5
11.81μg/m³
PM10
41.01ppb
O3
0.23ppb
SO2
1.16ppb
NO2
0.10ppm
CO
AQI 38
Good
4.81μg/m³
PM2.5
16.90μg/m³
PM10
40.93ppb
O3
0.23ppb
SO2
1.51ppb
NO2
0.11ppm
CO
AQI 44
Good
8.12μg/m³
PM2.5
28.48μg/m³
PM10
45.15ppb
O3
0.24ppb
SO2
1.98ppb
NO2
0.12ppm
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 04:00:00 on 2025-07-22.
In the last 24 hours, the best air quality in Murrieta, California was observed at 10:00:00 on 2025-07-22.
As of now, the AQI in Murrieta, California is 44, 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 7.924 μg/m3.
The PM10 concentration in Murrieta, California is 26.395 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Murrieta, California is 0.115 ppm.
Currently, Murrieta, California has a sulfur dioxide (SO2) concentration of 0.238 ppb.
The current ozone (O3) level in Murrieta, California at the moment is 40.137 ppm.
Nitrogen dioxide (NO2) level in Murrieta, California at the moment is 2.067 ppb.
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