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

Good
Fine
Moderate
Poor
Very poor
Hazardous
4.00 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
18.00 μg/m³
0
55
155
255
425
605+
29.27 ppb
0
55
71
86
201
201+
0.39 ppb
0
36
76
186
605
1005+
13.00 ppb
0
54
101
361
1250
2050+
0.56 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Barstow, California
Barstow, California
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AQI 38
Good
6.64μg/m³
PM2.5
30.11μg/m³
PM10
23.58ppb
O3
0.42ppb
SO2
23.68ppb
NO2
0.57ppm
CO
AQI 33
Good
6.17μg/m³
PM2.5
27.84μg/m³
PM10
23.09ppb
O3
0.42ppb
SO2
22.98ppb
NO2
0.56ppm
CO
AQI 49
Good
8.50μg/m³
PM2.5
31.10μg/m³
PM10
21.83ppb
O3
0.44ppb
SO2
24.69ppb
NO2
0.57ppm
CO
AQI 38
Good
6.56μg/m³
PM2.5
29.74μg/m³
PM10
23.36ppb
O3
0.42ppb
SO2
23.78ppb
NO2
0.57ppm
CO
AQI 38
Good
7.43μg/m³
PM2.5
33.72μg/m³
PM10
23.86ppb
O3
0.43ppb
SO2
25.51ppb
NO2
0.57ppm
CO
AQI 34
Good
0.66μg/m³
PM2.5
2.64μg/m³
PM10
37.02ppb
O3
0.41ppb
SO2
8.51ppb
NO2
0.56ppm
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 Barstow, California are available every hour.
Barstow, California experienced its worst air quality at 06:00:00, 2026-01-22.
The best air quality in Barstow, California was observed at 11:00:00 on 2026-01-22.
The air quality in Barstow, California right now is Good, with an AQI of 27.
In Barstow, California, O3 is the most frequently found pollutant.
When air quality in Barstow, California is compromised, staying indoors and wearing a mask can reduce health risks.
Barstow, California currently has a PM2.5 concentration of 4.001 μg/m3.
Barstow, California currently has a PM10 concentration of 18.003 μg/m3.
The current carbon monoxide (CO) level in Barstow, California is 0.555 ppm.
The current sulfur dioxide (SO2) concentration in Barstow, California is 0.389 ppb.
Barstow, California currently has an ozone (O3) concentration of 29.269 ppm.
The current level of nitrogen dioxide (NO2) in Barstow, California is 12.996 ppb.
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