Hesperia, California, United States Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
September Air Quality Analysis
Hesperia, California, United States
AQI Trends: Highest and Lowest
Same Day Analysis (2nd September ):
On this day, AQI across the 1 years varied significantly: 2025 ranks 1st highest AQI at 37 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 2nd Sep - 3rd Sep 2025
Hesperia, California, United States
6 AM2nd Sep 2025
7 PM
5 AM3rd Sep 2025
54AQI
35AQI
32AQI
27AQI
In the last 24 hours,
Hesperia's AQI reached its highest point of 54 at 4 PM during the Day, while the lowest point, undefined, was recorded at 5 AM during the Night between 2nd Sep and 3rd Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
Hesperia, California, United States
24°C16/36°C
25°C15/37°C
26°C16/39°C
27°C18/40°C
28°C19/40°C
28°C18/41°C
29°C19/41°C
29°C20/41°C
28°C19/40°C
27°C17/39°C
25°C16/38°C
22°C13/34°C
22°C13/34°C
22°C13/34°C
23°C14/37°C
24°C15/36°C
27°C17/39°C
29°C20/41°C
29°C21/41°C
28°C21/39°C
29°C21/39°C
27°C21/35°C
26°C20/34°C
25°C18/36°C
22°C18/30°C
25°C17/35°C
26°C19/36°C
28°C21/38°C
28°C21/39°C
26°C20/33°C
--°C/°C
50AQI
43AQI
44AQI
42AQI
2025 Days Vs Air Quality
Hesperia, California, United States
88%
141
12%
20
Total number of days with different AQI categories in last 246 days in 2025 (119 days remaining)
Under WHO’s Safe Air Quality Limits: 88%
Health Risk Level:
Low
In 2025, 88% of 246 days were within WHO’s safe air quality limits. The risk of health issues is Low, but the long-term effects, especially on vulnerable individuals, remain uncertain.
Annual Air Quality Insights
Hesperia, California, United States
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
41AQI
42AQI
33AQI
33AQI
36AQI
29AQI
33AQI
22AQI
19AQI
23AQI
19AQI
27AQI
27AQI
33AQI
33AQI
38AQI
39AQI
34AQI
34AQI
39AQI
39AQI
44AQI
34AQI
25AQI
25AQI
27AQI
27AQI
28AQI
41AQI
39AQI
39AQI
31AQI
25AQI
23AQI
27AQI
35AQI
33AQI
33AQI
43AQI
26AQI
29AQI
42AQI
28AQI
33AQI
31AQI
31AQI
30AQI
35AQI
32AQI
24AQI
28AQI
37AQI
44AQI
34AQI
36AQI
37AQI
43AQI
48AQI
49AQI
47AQI
44AQI
45AQI
43AQI
44AQI
46AQI
43AQI
38AQI
36AQI
32AQI
31AQI
35AQI
38AQI
37AQI
41AQI
40AQI
42AQI
39AQI
44AQI
42AQI
43AQI
45AQI
39AQI
41AQI
40AQI
49AQI
53AQI
48AQI
50AQI
50AQI
51AQI
51AQI
52AQI
52AQI
52AQI
47AQI
44AQI
41AQI
36AQI
36AQI
41AQI
46AQI
51AQI
40AQI
35AQI
34AQI
34AQI
40AQI
50AQI
49AQI
52AQI
54AQI
54AQI
47AQI
45AQI
42AQI
40AQI
38AQI
38AQI
37AQI
29AQI
27AQI
24AQI
25AQI
28AQI
32AQI
34AQI
34AQI
31AQI
29AQI
38AQI
58AQI
57AQI
57AQI
58AQI
51AQI
48AQI
44AQI
51AQI
54AQI
53AQI
53AQI
51AQI
49AQI
43AQI
32AQI
29AQI
34AQI
41AQI
36AQI
44AQI
44AQI
46AQI
41AQI
40AQI
34AQI
35AQI
36AQI
47AQI
47AQI
33AQI
37AQI
36AQI
31AQI
37AQI
44AQI
39AQI
45AQI
35AQI
No. of days
202539AQI
Highest AQI recorded in
August45AQI
Lowest AQI recorded in
April31AQI
Most & Least Polluted Years Over the Last 1 Years
Hesperia's annual 2025 AQI (39) shows an average percentage change of NaN% (improved AQI) compared to previous years: .