Gilbert, Arizona, United States Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
October Air Quality Analysis
Gilbert, Arizona, United States
AQI Trends: Highest and Lowest
Same Day Analysis (4th October ):
On this day, AQI across the 1 years varied significantly: 2025 ranks 1st highest AQI at 59 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 4th Oct - 5th Oct 2025
Gilbert, Arizona, United States
6 AM4th Oct 2025
6 PM
5 AM5th Oct 2025
97AQI
41AQI
63AQI
42AQI
In the last 24 hours,
Gilbert's AQI reached its highest point of 97 at 8 AM during the Day, while the lowest point, 41, was recorded at 5 PM during the Day between 4th Oct and 5th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Gilbert, Arizona, United States
30°C23/37°C
32°C26/39°C
33°C28/40°C
35°C28/42°C
35°C27/43°C
35°C26/43°C
33°C25/41°C
32°C26/40°C
30°C22/38°C
30°C21/39°C
32°C23/42°C
33°C25/42°C
33°C26/41°C
32°C27/39°C
33°C27/40°C
34°C27/40°C
33°C26/41°C
31°C25/38°C
32°C23/41°C
35°C27/44°C
34°C27/44°C
27°C20/33°C
25°C20/32°C
26°C20/34°C
28°C21/36°C
29°C22/38°C
29°C22/38°C
30°C22/41°C
31°C22/41°C
27°C21/34°C
--°C/°C
36AQI
26AQI
35AQI
26AQI
2025 Days Vs Air Quality
Gilbert, Arizona, United States
85%
164
14%
27
1%
2
Total number of days with different AQI categories in last 278 days in 2025 (87 days remaining)
Under WHO’s Safe Air Quality Limits: 85%
Health Risk Level:
Low
In 2025, 85% of 278 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
Gilbert, Arizona, United States
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
36AQI
39AQI
35AQI
43AQI
46AQI
45AQI
44AQI
59AQI
27AQI
21AQI
20AQI
23AQI
31AQI
40AQI
44AQI
44AQI
44AQI
43AQI
39AQI
43AQI
40AQI
33AQI
42AQI
41AQI
46AQI
26AQI
30AQI
34AQI
34AQI
28AQI
34AQI
38AQI
30AQI
32AQI
32AQI
26AQI
33AQI
34AQI
37AQI
45AQI
32AQI
26AQI
28AQI
28AQI
30AQI
46AQI
46AQI
46AQI
41AQI
48AQI
38AQI
35AQI
34AQI
48AQI
40AQI
36AQI
46AQI
46AQI
41AQI
39AQI
40AQI
40AQI
41AQI
42AQI
48AQI
40AQI
44AQI
45AQI
25AQI
30AQI
24AQI
26AQI
27AQI
28AQI
34AQI
37AQI
35AQI
37AQI
44AQI
39AQI
37AQI
33AQI
43AQI
46AQI
53AQI
53AQI
44AQI
48AQI
48AQI
42AQI
41AQI
43AQI
49AQI
44AQI
41AQI
39AQI
44AQI
147AQI
86AQI
71AQI
44AQI
56AQI
52AQI
46AQI
56AQI
44AQI
45AQI
50AQI
51AQI
46AQI
47AQI
46AQI
62AQI
34AQI
33AQI
35AQI
38AQI
53AQI
36AQI
29AQI
38AQI
34AQI
33AQI
32AQI
37AQI
38AQI
40AQI
54AQI
43AQI
37AQI
40AQI
48AQI
52AQI
47AQI
47AQI
43AQI
56AQI
86AQI
62AQI
65AQI
57AQI
79AQI
46AQI
36AQI
34AQI
31AQI
35AQI
38AQI
77AQI
79AQI
50AQI
58AQI
92AQI
36AQI
32AQI
34AQI
30AQI
22AQI
32AQI
107AQI
45AQI
85AQI
79AQI
29AQI
23AQI
35AQI
25AQI
29AQI
37AQI
29AQI
26AQI
26AQI
32AQI
35AQI
41AQI
53AQI
36AQI
32AQI
27AQI
26AQI
25AQI
28AQI
29AQI
33AQI
29AQI
14AQI
19AQI
23AQI
23AQI
34AQI
32AQI
40AQI
59AQI
41AQI
36AQI
39AQI
39AQI
49AQI
49AQI
36AQI
41AQI
No. of days
202541AQI
Highest AQI recorded in
August49AQI
Lowest AQI recorded in
April36AQI
Most & Least Polluted Years Over the Last 1 Years
Gilbert's annual 2025 AQI (41) shows an average percentage change of NaN% (improved AQI) compared to previous years: .