Stay updated with real-time air quality in Rancho 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)
33
Good
Rancho Mission Viejo, California
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
5.53 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
36.23 μg/m³
0
55
155
255
425
605+
31.98 ppb
0
55
71
86
201
201+
0.32 ppb
0
36
76
186
605
1005+
3.77 ppb
0
54
101
361
1250
2050+
0.17 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Rancho Mission Viejo, California
Rancho Mission Viejo, California
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AQI 32
Good
4.61μg/m³
PM2.5
18.85μg/m³
PM10
34.63ppb
O3
1.02ppb
SO2
2.87ppb
NO2
0.20ppm
CO
AQI 31
Good
4.62μg/m³
PM2.5
17.18μg/m³
PM10
33.84ppb
O3
1.03ppb
SO2
2.79ppb
NO2
0.19ppm
CO
AQI 34
Good
5.20μg/m³
PM2.5
28.34μg/m³
PM10
37.36ppb
O3
1.02ppb
SO2
2.94ppb
NO2
0.18ppm
CO
AQI 34
Good
4.49μg/m³
PM2.5
18.68μg/m³
PM10
36.59ppb
O3
1.00ppb
SO2
2.92ppb
NO2
0.21ppm
CO
AQI 33
Good
4.50μg/m³
PM2.5
17.18μg/m³
PM10
36.11ppb
O3
1.01ppb
SO2
2.79ppb
NO2
0.21ppm
CO
AQI 35
Good
4.50μg/m³
PM2.5
22.09μg/m³
PM10
38.19ppb
O3
1.05ppb
SO2
2.34ppb
NO2
0.21ppm
CO
The air quality data for California, USA is gathered from reliable sources such as satellites and monitoring stations, adhering to US EPA guidelines. With the help of advanced algorithms and machine learning, factors like traffic and population density are analyzed to deliver accurate and dependable results.
Source: Ambee Data Sources
Air quality updates for Rancho Mission Viejo, California are available every hour.
Rancho Mission Viejo, California experienced its worst air quality at 05:00:00, 2025-09-10.
The best air quality in Rancho Mission Viejo, California was observed at 12:00:00 on 2025-09-10.
The air quality in Rancho Mission Viejo, California right now is Good, with an AQI of 33.
In Rancho Mission Viejo, California, PM10 is the most frequently found pollutant.
When air quality in Rancho Mission Viejo, California is compromised, staying indoors and wearing a mask can reduce health risks.
Rancho Mission Viejo, California currently has a PM2.5 concentration of 5.53 μg/m3.
Rancho Mission Viejo, California currently has a PM10 concentration of 36.229 μg/m3.
The current carbon monoxide (CO) level in Rancho Mission Viejo, California is 0.166 ppm.
The current sulfur dioxide (SO2) concentration in Rancho Mission Viejo, California is 0.316 ppb.
Rancho Mission Viejo, California currently has an ozone (O3) concentration of 31.982 ppm.
The current level of nitrogen dioxide (NO2) in Rancho Mission Viejo, California is 3.769 ppb.
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