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)
45
Good
Mission Viejo, California
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
5.44 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
17.66 μg/m³
0
55
155
255
425
605+
49.15 ppb
0
55
71
86
201
201+
0.82 ppb
0
36
76
186
605
1005+
4.98 ppb
0
54
101
361
1250
2050+
0.17 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
5.15μg/m³
PM2.5
12.79μg/m³
PM10
33.68ppb
O3
0.36ppb
SO2
5.72ppb
NO2
0.19ppm
CO
AQI 35
Good
5.14μg/m³
PM2.5
11.69μg/m³
PM10
37.97ppb
O3
0.36ppb
SO2
5.71ppb
NO2
0.18ppm
CO
AQI 35
Good
5.22μg/m³
PM2.5
16.20μg/m³
PM10
38.11ppb
O3
0.36ppb
SO2
5.68ppb
NO2
0.19ppm
CO
AQI 33
Good
5.22μg/m³
PM2.5
12.75μg/m³
PM10
36.37ppb
O3
0.36ppb
SO2
5.68ppb
NO2
0.18ppm
CO
AQI 31
Good
5.15μg/m³
PM2.5
12.79μg/m³
PM10
33.68ppb
O3
0.36ppb
SO2
5.72ppb
NO2
0.19ppm
CO
AQI 35
Good
5.29μg/m³
PM2.5
15.90μg/m³
PM10
37.84ppb
O3
0.36ppb
SO2
5.69ppb
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 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 06:00:00 on 2025-07-22.
In the last 24 hours, the best air quality in Mission Viejo, California was observed at 06:00:00 on 2025-07-22.
As of now, the AQI in Mission Viejo, California is 35, 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 5.22 μg/m3.
The PM10 concentration in Mission Viejo, California is 12.769 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Mission Viejo, California is 0.184 ppm.
Currently, Mission Viejo, California has a sulfur dioxide (SO2) concentration of 0.362 ppb.
The current ozone (O3) level in Mission Viejo, California at the moment is 38.019 ppm.
Nitrogen dioxide (NO2) level in Mission Viejo, California at the moment is 5.688 ppb.
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