Stay updated with real-time air quality in Redlands, 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
Redlands, California
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
6.23 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
19.71 μg/m³
0
55
155
255
425
605+
27.01 ppb
0
55
71
86
201
201+
0.54 ppb
0
36
76
186
605
1005+
20.66 ppb
0
54
101
361
1250
2050+
0.52 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Redlands, California
Redlands, California
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AQI 44
Good
8.40μg/m³
PM2.5
30.67μg/m³
PM10
17.65ppb
O3
0.56ppb
SO2
29.30ppb
NO2
0.52ppm
CO
AQI 38
Good
7.33μg/m³
PM2.5
27.36μg/m³
PM10
20.59ppb
O3
0.56ppb
SO2
27.28ppb
NO2
0.51ppm
CO
AQI 44
Good
7.51μg/m³
PM2.5
32.78μg/m³
PM10
16.39ppb
O3
0.55ppb
SO2
30.45ppb
NO2
0.50ppm
CO
AQI 52
Moderate
9.51μg/m³
PM2.5
32.62μg/m³
PM10
15.77ppb
O3
0.57ppb
SO2
30.82ppb
NO2
0.53ppm
CO
AQI 56
Moderate
12.21μg/m³
PM2.5
36.15μg/m³
PM10
12.08ppb
O3
0.58ppb
SO2
32.04ppb
NO2
0.56ppm
CO
AQI 29
Good
4.54μg/m³
PM2.5
16.02μg/m³
PM10
30.96ppb
O3
0.53ppb
SO2
18.86ppb
NO2
0.48ppm
CO
Air quality measurements for California, USA meet strict US EPA standards. These measurements are collected from reliable sources, including satellites and ground-based monitoring systems. Advanced algorithms and machine learning techniques are applied to the data, factoring in variables such as traffic and population density, to ensure precision and reliability.
Source: Ambee Data Sources
Air quality data for Redlands, California is updated on an hourly basis.
The worst air quality in Redlands, California was recorded at 10:00:00 on 2025-10-20.
The best air quality in Redlands, California was recorded at 01:00:00 on 2025-10-20.
The real-time air quality index in Redlands, California is 33, currently categorized as Good.
The most common pollutant in Redlands, California is PM2.5.
If the air quality in Redlands, California is poor, limit outdoor activities and use a mask to safeguard your health.
The measured PM2.5 levels in Redlands, California at present are 6.231 μg/m3.
The current PM10 levels in Redlands, California are 19.712 μg/m3.
The current carbon monoxide (CO) level in Redlands, California is 0.524 ppm.
The current sulfur dioxide (SO2) levels in Redlands, California are 0.541 ppb.
The current ozone (O3) levels at Redlands, California is 27.011 ppm.
The current nitrogen dioxide (NO2) levels at Redlands, California is 20.663 ppb.
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