Stay updated with real-time air quality in Colton, 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)
38
Good
Colton, California
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
6.59 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
23.25 μg/m³
0
55
155
255
425
605+
29.19 ppb
0
55
71
86
201
201+
0.19 ppb
0
36
76
186
605
1005+
6.04 ppb
0
54
101
361
1250
2050+
0.12 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Colton, California
Colton, California
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AQI 58
Moderate
8.22μg/m³
PM2.5
37.05μg/m³
PM10
57.01ppb
O3
0.24ppb
SO2
5.56ppb
NO2
0.10ppm
CO
AQI 52
Moderate
9.94μg/m³
PM2.5
35.21μg/m³
PM10
54.03ppb
O3
0.23ppb
SO2
4.89ppb
NO2
0.14ppm
CO
AQI 58
Moderate
9.26μg/m³
PM2.5
36.83μg/m³
PM10
56.79ppb
O3
0.24ppb
SO2
5.14ppb
NO2
0.12ppm
CO
AQI 64
Moderate
9.71μg/m³
PM2.5
37.35μg/m³
PM10
59.50ppb
O3
0.20ppb
SO2
6.83ppb
NO2
0.17ppm
CO
AQI 54
Moderate
11.21μg/m³
PM2.5
34.85μg/m³
PM10
51.24ppb
O3
0.26ppb
SO2
6.79ppb
NO2
0.18ppm
CO
AQI 54
Moderate
10.04μg/m³
PM2.5
38.50μg/m³
PM10
56.44ppb
O3
0.27ppb
SO2
6.64ppb
NO2
0.14ppm
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 Colton, California are available every hour.
Colton, California experienced its worst air quality at 12:00:00, 2025-07-21.
The best air quality in Colton, California was observed at 11:00:00 on 2025-07-21.
The air quality in Colton, California right now is Moderate, with an AQI of 61.
In Colton, California, O3 is the most frequently found pollutant.
When air quality in Colton, California is compromised, staying indoors and wearing a mask can reduce health risks.
Colton, California currently has a PM2.5 concentration of 9.719 μg/m3.
Colton, California currently has a PM10 concentration of 39.506 μg/m3.
The current carbon monoxide (CO) level in Colton, California is 0.193 ppm.
The current sulfur dioxide (SO2) concentration in Colton, California is 0.203 ppb.
Colton, California currently has an ozone (O3) concentration of 58.285 ppm.
The current level of nitrogen dioxide (NO2) in Colton, California is 4.748 ppb.
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