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)
39
Good
Redding, California
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
2.35 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
9.87 μg/m³
0
55
155
255
425
605+
42.05 ppb
0
55
71
86
201
201+
0.71 ppb
0
36
76
186
605
1005+
3.22 ppb
0
54
101
361
1250
2050+
0.29 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Redding, California
Redding, California
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AQI 40
Good
6.40μg/m³
PM2.5
36.40μg/m³
PM10
42.94ppb
O3
0.91ppb
SO2
2.69ppb
NO2
0.26ppm
CO
AQI 39
Good
4.80μg/m³
PM2.5
20.47μg/m³
PM10
42.34ppb
O3
0.89ppb
SO2
2.64ppb
NO2
0.26ppm
CO
AQI 40
Good
2.94μg/m³
PM2.5
6.25μg/m³
PM10
43.00ppb
O3
1.00ppb
SO2
2.58ppb
NO2
0.26ppm
CO
AQI 43
Good
2.12μg/m³
PM2.5
10.14μg/m³
PM10
45.90ppb
O3
1.00ppb
SO2
1.63ppb
NO2
0.25ppm
CO
AQI 41
Good
3.54μg/m³
PM2.5
23.13μg/m³
PM10
44.06ppb
O3
0.63ppb
SO2
2.70ppb
NO2
0.26ppm
CO
AQI 32
Good
5.11μg/m³
PM2.5
22.62μg/m³
PM10
34.81ppb
O3
0.99ppb
SO2
1.43ppb
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 05:00:00 on 2026-08-23.
In the last 24 hours, the best air quality in Redding, California was observed at 12:00:00 on 2026-08-23.
As of now, the AQI in Redding, California is 39, indicating Good conditions.
Redding, California air has the highest levels of O3.
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 2.345 μg/m3.
The PM10 concentration in Redding, California is 9.866 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Redding, California is 0.289 ppm.
Currently, Redding, California has a sulfur dioxide (SO2) concentration of 0.712 ppb.
The current ozone (O3) level in Redding, California at the moment is 42.048 ppm.
Nitrogen dioxide (NO2) level in Redding, California at the moment is 3.224 ppb.
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