Stay updated with real-time air quality in Redding, 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)
27
Good
Redding, California
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
5.24 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
21.79 μg/m³
0
55
155
255
425
605+
21.30 ppb
0
55
71
86
201
201+
0.26 ppb
0
36
76
186
605
1005+
3.04 ppb
0
54
101
361
1250
2050+
0.22 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Redding, California
Redding, California
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AQI 33
Good
5.86μg/m³
PM2.5
22.68μg/m³
PM10
28.47ppb
O3
0.26ppb
SO2
3.06ppb
NO2
0.22ppm
CO
AQI 33
Good
5.71μg/m³
PM2.5
24.18μg/m³
PM10
24.00ppb
O3
0.27ppb
SO2
2.97ppb
NO2
0.22ppm
CO
AQI 38
Good
7.29μg/m³
PM2.5
30.01μg/m³
PM10
25.29ppb
O3
0.28ppb
SO2
3.04ppb
NO2
0.22ppm
CO
AQI 44
Good
7.98μg/m³
PM2.5
35.04μg/m³
PM10
43.01ppb
O3
0.28ppb
SO2
3.09ppb
NO2
0.24ppm
CO
AQI 54
Moderate
11.35μg/m³
PM2.5
36.43μg/m³
PM10
41.98ppb
O3
0.28ppb
SO2
2.56ppb
NO2
0.23ppm
CO
AQI 27
Good
5.10μg/m³
PM2.5
23.15μg/m³
PM10
26.96ppb
O3
0.28ppb
SO2
2.52ppb
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 Redding, California is updated every hour for accuracy.
In the past 24 hours, the air quality in Redding, California was at its worst at 08:00:00 on 2026-05-01.
In the last 24 hours, the best air quality in Redding, California was observed at 02:00:00 on 2026-05-01.
As of now, the AQI in Redding, California is 27, indicating Good conditions.
Redding, California air has the highest levels of PM2.5.
Poor air quality in Redding, California means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in Redding, California are currently 5.241 μg/m3.
The PM10 concentration in Redding, California is 21.785 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Redding, California is 0.22 ppm.
Currently, Redding, California has a sulfur dioxide (SO2) concentration of 0.263 ppb.
The current ozone (O3) level in Redding, California at the moment is 21.296 ppm.
Nitrogen dioxide (NO2) level in Redding, California at the moment is 3.045 ppb.
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