Stay updated with real-time air quality in Mission Viejo, 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)
30
Good
Mission Viejo, California
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
3.33 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
14.27 μg/m³
0
55
155
255
425
605+
32.41 ppb
0
55
71
86
201
201+
0.28 ppb
0
36
76
186
605
1005+
6.80 ppb
0
54
101
361
1250
2050+
0.19 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Mission Viejo, California
Mission Viejo, California
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AQI 31
Good
3.23μg/m³
PM2.5
14.13μg/m³
PM10
32.55ppb
O3
0.28ppb
SO2
6.73ppb
NO2
0.19ppm
CO
AQI 31
Good
3.22μg/m³
PM2.5
14.20μg/m³
PM10
32.84ppb
O3
0.29ppb
SO2
6.58ppb
NO2
0.19ppm
CO
AQI 31
Good
4.05μg/m³
PM2.5
13.92μg/m³
PM10
32.63ppb
O3
0.28ppb
SO2
6.73ppb
NO2
0.19ppm
CO
AQI 30
Good
3.49μg/m³
PM2.5
14.54μg/m³
PM10
32.31ppb
O3
0.28ppb
SO2
6.73ppb
NO2
0.19ppm
CO
AQI 30
Good
3.33μg/m³
PM2.5
14.08μg/m³
PM10
32.08ppb
O3
0.29ppb
SO2
6.96ppb
NO2
0.20ppm
CO
AQI 31
Good
5.10μg/m³
PM2.5
28.78μg/m³
PM10
32.60ppb
O3
0.28ppb
SO2
8.33ppb
NO2
0.20ppm
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 Mission Viejo, California is updated every hour for accuracy.
In the past 24 hours, the air quality in Mission Viejo, California was at its worst at 11:00:00 on 2025-06-05.
In the last 24 hours, the best air quality in Mission Viejo, California was observed at 05:00:00 on 2025-06-05.
As of now, the AQI in Mission Viejo, California is 30, indicating Good conditions.
Mission Viejo, California air has the highest levels of O3.
Poor air quality in Mission Viejo, California means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in Mission Viejo, California are currently 3.329 μg/m3.
The PM10 concentration in Mission Viejo, California is 14.273 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Mission Viejo, California is 0.193 ppm.
Currently, Mission Viejo, California has a sulfur dioxide (SO2) concentration of 0.284 ppb.
The current ozone (O3) level in Mission Viejo, California at the moment is 32.408 ppm.
Nitrogen dioxide (NO2) level in Mission Viejo, California at the moment is 6.802 ppb.
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