Stay updated with real-time air quality in Corona, 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
Corona, California
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
4.29 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
24.46 μg/m³
0
55
155
255
425
605+
20.89 ppb
0
55
71
86
201
201+
0.22 ppb
0
36
76
186
605
1005+
6.32 ppb
0
54
101
361
1250
2050+
0.15 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Corona, California
Corona, California
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AQI 54
Moderate
6.83μg/m³
PM2.5
22.29μg/m³
PM10
55.91ppb
O3
0.56ppb
SO2
14.46ppb
NO2
0.24ppm
CO
AQI 64
Moderate
12.15μg/m³
PM2.5
64.33μg/m³
PM10
58.61ppb
O3
0.56ppb
SO2
17.08ppb
NO2
0.25ppm
CO
AQI 62
Moderate
15.25μg/m³
PM2.5
73.07μg/m³
PM10
58.17ppb
O3
0.61ppb
SO2
22.40ppb
NO2
0.26ppm
CO
AQI 64
Moderate
7.85μg/m³
PM2.5
58.58μg/m³
PM10
59.04ppb
O3
0.58ppb
SO2
6.56ppb
NO2
0.20ppm
CO
AQI 58
Moderate
7.00μg/m³
PM2.5
45.41μg/m³
PM10
57.42ppb
O3
0.52ppb
SO2
9.96ppb
NO2
0.23ppm
CO
AQI 66
Moderate
17.25μg/m³
PM2.5
79.12μg/m³
PM10
57.85ppb
O3
0.62ppb
SO2
25.24ppb
NO2
0.26ppm
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 Corona, California is updated every hour for accuracy.
In the past 24 hours, the air quality in Corona, California was at its worst at 10:00:00 on 2025-07-17.
In the last 24 hours, the best air quality in Corona, California was observed at 07:00:00 on 2025-07-17.
As of now, the AQI in Corona, California is 54, indicating Moderate conditions.
Corona, California air has the highest levels of O3.
Poor air quality in Corona, California means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in Corona, California are currently 6.83 μg/m3.
The PM10 concentration in Corona, California is 22.287 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Corona, California is 0.238 ppm.
Currently, Corona, California has a sulfur dioxide (SO2) concentration of 0.559 ppb.
The current ozone (O3) level in Corona, California at the moment is 55.907 ppm.
Nitrogen dioxide (NO2) level in Corona, California at the moment is 14.461 ppb.
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