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)
22
Good
Rancho Mission Viejo, California
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
3.71 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
17.57 μg/m³
0
55
155
255
425
605+
16.57 ppb
0
55
71
86
201
201+
0.34 ppb
0
36
76
186
605
1005+
11.98 ppb
0
54
101
361
1250
2050+
0.25 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Rancho Mission Viejo, California
Rancho Mission Viejo, California
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AQI 27
Good
4.86μg/m³
PM2.5
12.91μg/m³
PM10
29.03ppb
O3
0.44ppb
SO2
5.49ppb
NO2
0.18ppm
CO
AQI 27
Good
5.17μg/m³
PM2.5
20.73μg/m³
PM10
29.33ppb
O3
0.43ppb
SO2
5.22ppb
NO2
0.18ppm
CO
AQI 27
Good
4.97μg/m³
PM2.5
14.23μg/m³
PM10
29.22ppb
O3
0.43ppb
SO2
5.54ppb
NO2
0.18ppm
CO
AQI 28
Good
4.74μg/m³
PM2.5
14.52μg/m³
PM10
30.07ppb
O3
0.44ppb
SO2
5.59ppb
NO2
0.18ppm
CO
AQI 28
Good
5.34μg/m³
PM2.5
26.03μg/m³
PM10
29.89ppb
O3
0.44ppb
SO2
5.18ppb
NO2
0.19ppm
CO
AQI 33
Good
5.59μg/m³
PM2.5
21.47μg/m³
PM10
28.83ppb
O3
0.43ppb
SO2
3.54ppb
NO2
0.18ppm
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 03:00:00, 2025-07-23.
The best air quality in Rancho Mission Viejo, California was observed at 03:00:00 on 2025-07-24.
The air quality in Rancho Mission Viejo, California right now is Good, with an AQI of 27.
In Rancho Mission Viejo, California, PM2.5 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 4.776 μg/m3.
Rancho Mission Viejo, California currently has a PM10 concentration of 15.535 μg/m3.
The current carbon monoxide (CO) level in Rancho Mission Viejo, California is 0.212 ppm.
The current sulfur dioxide (SO2) concentration in Rancho Mission Viejo, California is 0.405 ppb.
Rancho Mission Viejo, California currently has an ozone (O3) concentration of 24.77 ppm.
The current level of nitrogen dioxide (NO2) in Rancho Mission Viejo, California is 5.215 ppb.
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