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)
33
Good
Barstow, California
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
5.50 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
25.00 μg/m³
0
55
155
255
425
605+
25.00 ppb
0
55
71
86
201
201+
0.61 ppb
0
36
76
186
605
1005+
3.28 ppb
0
54
101
361
1250
2050+
0.22 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Barstow, California
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AQI 33
Good
5.98μg/m³
PM2.5
27.41μg/m³
PM10
34.77ppb
O3
0.68ppb
SO2
14.34ppb
NO2
0.22ppm
CO
AQI 31
Good
5.41μg/m³
PM2.5
24.93μg/m³
PM10
32.64ppb
O3
0.67ppb
SO2
15.18ppb
NO2
0.22ppm
CO
AQI 33
Good
5.66μg/m³
PM2.5
26.07μg/m³
PM10
33.24ppb
O3
0.69ppb
SO2
14.83ppb
NO2
0.22ppm
CO
AQI 33
Good
5.96μg/m³
PM2.5
27.36μg/m³
PM10
34.04ppb
O3
0.68ppb
SO2
14.96ppb
NO2
0.22ppm
CO
AQI 38
Good
7.27μg/m³
PM2.5
33.41μg/m³
PM10
35.85ppb
O3
0.69ppb
SO2
15.46ppb
NO2
0.22ppm
CO
AQI 33
Good
4.87μg/m³
PM2.5
20.88μg/m³
PM10
36.07ppb
O3
0.63ppb
SO2
2.62ppb
NO2
0.22ppm
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 04:00:00, 2026-03-09.
The best air quality in Barstow, California was observed at 04:00:00 on 2026-03-09.
The air quality in Barstow, California right now is Good, with an AQI of 33.
In Barstow, California, PM2.5 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 5.5 μg/m3.
Barstow, California currently has a PM10 concentration of 25 μg/m3.
The current carbon monoxide (CO) level in Barstow, California is 0.219 ppm.
The current sulfur dioxide (SO2) concentration in Barstow, California is 0.614 ppb.
Barstow, California currently has an ozone (O3) concentration of 25.003 ppm.
The current level of nitrogen dioxide (NO2) in Barstow, California is 3.277 ppb.
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