Chandler, Arizona, 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
Chandler, Arizona, United States
AQI Trends: Highest and Lowest
Same Day Analysis (17th September ):
On this day, AQI across the 1 years varied significantly: 2025 ranks 1st highest AQI at 52 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 17th Sep - 18th Sep 2025
Chandler, Arizona, United States
6 AM17th Sep 2025
6 PM
5 AM18th Sep 2025
72AQI
35AQI
52AQI
35AQI
In the last 24 hours,
Chandler's AQI reached its highest point of 72 at 6 AM during the Day, while the lowest point, 35, was recorded at 3 AM during the Night between 17th Sep and 18th Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
Chandler, Arizona, United States
35°C29/44°C
37°C29/46°C
38°C31/47°C
38°C32/46°C
37°C31/45°C
38°C30/45°C
35°C31/42°C
31°C25/37°C
34°C28/40°C
34°C28/42°C
34°C28/41°C
35°C27/43°C
35°C26/44°C
35°C28/43°C
36°C29/44°C
35°C28/42°C
31°C27/39°C
30°C23/37°C
32°C26/40°C
34°C28/40°C
35°C28/42°C
35°C27/43°C
34°C26/43°C
33°C25/40°C
32°C25/38°C
30°C22/38°C
30°C21/40°C
32°C23/42°C
34°C25/42°C
33°C26/41°C
--°C/°C
40AQI
30AQI
122AQI
31AQI
2025 Days Vs Air Quality
Chandler, Arizona, United States
90%
158
8%
14
2%
3
0.5%
1
Total number of days with different AQI categories in last 261 days in 2025 (104 days remaining)
Under WHO’s Safe Air Quality Limits: 90%
Health Risk Level:
Very Low
In 2025, 90% of 261 days were within WHO’s safe air quality limits. The risk of health issues is Very Low, but health impacts are still unclear.
Annual Air Quality Insights
Chandler, Arizona, United States
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
39AQI
36AQI
29AQI
39AQI
41AQI
32AQI
35AQI
53AQI
26AQI
21AQI
18AQI
19AQI
26AQI
36AQI
41AQI
39AQI
38AQI
37AQI
34AQI
37AQI
32AQI
24AQI
33AQI
30AQI
24AQI
24AQI
29AQI
28AQI
24AQI
23AQI
31AQI
24AQI
26AQI
25AQI
29AQI
20AQI
35AQI
28AQI
33AQI
32AQI
27AQI
25AQI
26AQI
25AQI
26AQI
40AQI
38AQI
39AQI
32AQI
40AQI
31AQI
31AQI
31AQI
40AQI
35AQI
32AQI
37AQI
40AQI
33AQI
31AQI
32AQI
30AQI
31AQI
34AQI
34AQI
28AQI
41AQI
36AQI
25AQI
27AQI
24AQI
25AQI
26AQI
26AQI
32AQI
37AQI
36AQI
34AQI
35AQI
37AQI
38AQI
39AQI
54AQI
40AQI
42AQI
43AQI
35AQI
32AQI
32AQI
29AQI
31AQI
29AQI
40AQI
37AQI
37AQI
32AQI
40AQI
158AQI
57AQI
46AQI
40AQI
50AQI
43AQI
36AQI
52AQI
40AQI
40AQI
42AQI
45AQI
35AQI
43AQI
39AQI
67AQI
36AQI
28AQI
25AQI
26AQI
38AQI
33AQI
24AQI
35AQI
30AQI
28AQI
27AQI
28AQI
33AQI
34AQI
33AQI
28AQI
26AQI
28AQI
35AQI
40AQI
41AQI
39AQI
37AQI
48AQI
96AQI
54AQI
62AQI
48AQI
56AQI
40AQI
37AQI
29AQI
29AQI
33AQI
38AQI
57AQI
80AQI
46AQI
54AQI
109AQI
39AQI
31AQI
34AQI
26AQI
21AQI
28AQI
58AQI
39AQI
102AQI
135AQI
26AQI
21AQI
32AQI
22AQI
24AQI
28AQI
27AQI
24AQI
22AQI
34AQI
34AQI
38AQI
52AQI
36AQI
30AQI
33AQI
34AQI
42AQI
44AQI
42AQI
No. of days
202537AQI
Highest AQI recorded in
August44AQI
Lowest AQI recorded in
April30AQI
Most & Least Polluted Years Over the Last 1 Years
Chandler's annual 2025 AQI (37) shows an average percentage change of NaN% (improved AQI) compared to previous years: .