Stay updated with real-time air quality in Hesperia, 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)
22
Good
Hesperia, California
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
3.84 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
15.85 μg/m³
0
55
155
255
425
605+
10.76 ppb
0
55
71
86
201
201+
0.92 ppb
0
36
76
186
605
1005+
15.55 ppb
0
54
101
361
1250
2050+
0.91 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Hesperia, California
Hesperia, California
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AQI 52
Moderate
9.92μg/m³
PM2.5
24.64μg/m³
PM10
7.44ppb
O3
0.93ppb
SO2
17.37ppb
NO2
0.73ppm
CO
AQI 60
Moderate
13.72μg/m³
PM2.5
29.84μg/m³
PM10
3.64ppb
O3
0.94ppb
SO2
18.57ppb
NO2
0.69ppm
CO
AQI 44
Good
8.38μg/m³
PM2.5
23.46μg/m³
PM10
10.99ppb
O3
0.94ppb
SO2
16.59ppb
NO2
0.73ppm
CO
AQI 56
Moderate
11.82μg/m³
PM2.5
28.09μg/m³
PM10
5.11ppb
O3
0.94ppb
SO2
18.39ppb
NO2
0.71ppm
CO
AQI 38
Good
6.71μg/m³
PM2.5
29.95μg/m³
PM10
19.94ppb
O3
0.90ppb
SO2
15.58ppb
NO2
0.78ppm
CO
AQI 38
Good
6.80μg/m³
PM2.5
27.23μg/m³
PM10
17.63ppb
O3
0.91ppb
SO2
16.27ppb
NO2
0.77ppm
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 Hesperia, California are available every hour.
Hesperia, California experienced its worst air quality at 04:00:00, 2025-12-07.
The best air quality in Hesperia, California was observed at 02:00:00 on 2025-12-06.
The air quality in Hesperia, California right now is Good, with an AQI of 22.
In Hesperia, California, PM2.5 is the most frequently found pollutant.
When air quality in Hesperia, California is compromised, staying indoors and wearing a mask can reduce health risks.
Hesperia, California currently has a PM2.5 concentration of 3.839 μg/m3.
Hesperia, California currently has a PM10 concentration of 15.848 μg/m3.
The current carbon monoxide (CO) level in Hesperia, California is 0.91 ppm.
The current sulfur dioxide (SO2) concentration in Hesperia, California is 0.917 ppb.
Hesperia, California currently has an ozone (O3) concentration of 10.757 ppm.
The current level of nitrogen dioxide (NO2) in Hesperia, California is 15.546 ppb.
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