Douglas, 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
Douglas, Arizona, United States
AQI Trends: Highest and Lowest
Same Day Analysis (20th October ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 53 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 20th Oct - 21st Oct 2025
Douglas, Arizona, United States
6 AM20th Oct 2025
5 PM
5 AM21st Oct 2025
65AQI
21AQI
65AQI
25AQI
In the last 24 hours,
Douglas's AQI reached its highest point of 65 at 9 AM during the Day, while the lowest point, 21, was recorded at 5 PM during the Day between 20th Oct and 21st Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Douglas, Arizona, United States
24°C18/36°C
24°C18/34°C
25°C18/34°C
27°C19/35°C
25°C20/34°C
20°C17/28°C
20°C15/27°C
22°C16/29°C
22°C13/30°C
23°C15/31°C
23°C12/32°C
24°C14/34°C
25°C17/34°C
23°C17/32°C
22°C13/31°C
22°C12/32°C
22°C12/32°C
24°C16/32°C
25°C17/34°C
26°C19/34°C
23°C20/29°C
19°C18/22°C
19°C16/23°C
20°C16/26°C
20°C13/27°C
18°C11/26°C
18°C12/26°C
17°C9/27°C
18°C8/30°C
19°C8/30°C
--°C/°C
37AQI
25AQI
36AQI
26AQI
2025 Days Vs Air Quality
Douglas, Arizona, United States
74%
217
26%
75
0.3%
1
Total number of days with different AQI categories in last 294 days in 2025 (71 days remaining)
Under WHO’s Safe Air Quality Limits: 74%
Health Risk Level:
Low
In 2025, 74% of 294 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
Douglas, Arizona, United States
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
51AQI
51AQI
53AQI
54AQI
52AQI
52AQI
60AQI
117AQI
54AQI
54AQI
47AQI
46AQI
40AQI
43AQI
44AQI
39AQI
43AQI
43AQI
46AQI
46AQI
58AQI
51AQI
47AQI
50AQI
51AQI
48AQI
53AQI
51AQI
49AQI
55AQI
51AQI
53AQI
49AQI
50AQI
53AQI
52AQI
53AQI
54AQI
53AQI
52AQI
57AQI
65AQI
60AQI
46AQI
42AQI
34AQI
25AQI
25AQI
20AQI
21AQI
23AQI
21AQI
16AQI
18AQI
20AQI
22AQI
21AQI
74AQI
30AQI
44AQI
29AQI
46AQI
41AQI
35AQI
46AQI
36AQI
26AQI
22AQI
22AQI
29AQI
18AQI
36AQI
51AQI
38AQI
47AQI
42AQI
69AQI
45AQI
58AQI
51AQI
55AQI
49AQI
50AQI
44AQI
55AQI
60AQI
52AQI
60AQI
53AQI
53AQI
56AQI
60AQI
54AQI
52AQI
40AQI
39AQI
29AQI
33AQI
31AQI
31AQI
28AQI
35AQI
41AQI
42AQI
51AQI
50AQI
59AQI
62AQI
49AQI
33AQI
26AQI
32AQI
40AQI
37AQI
32AQI
35AQI
43AQI
39AQI
43AQI
34AQI
35AQI
38AQI
39AQI
40AQI
40AQI
35AQI
32AQI
29AQI
39AQI
29AQI
34AQI
44AQI
68AQI
60AQI
53AQI
50AQI
47AQI
51AQI
53AQI
45AQI
44AQI
47AQI
47AQI
50AQI
51AQI
46AQI
47AQI
48AQI
48AQI
45AQI
62AQI
42AQI
51AQI
32AQI
39AQI
33AQI
35AQI
33AQI
34AQI
35AQI
41AQI
39AQI
40AQI
46AQI
54AQI
58AQI
71AQI
55AQI
53AQI
57AQI
53AQI
54AQI
52AQI
49AQI
43AQI
34AQI
32AQI
34AQI
33AQI
31AQI
41AQI
57AQI
42AQI
35AQI
34AQI
41AQI
39AQI
38AQI
36AQI
45AQI
44AQI
60AQI
60AQI
57AQI
55AQI
51AQI
47AQI
51AQI
43AQI
33AQI
30AQI
34AQI
32AQI
32AQI
32AQI
26AQI
27AQI
31AQI
37AQI
29AQI
27AQI
26AQI
31AQI
41AQI
37AQI
28AQI
38AQI
44AQI
37AQI
39AQI
43AQI
39AQI
47AQI
40AQI
48AQI
42AQI
35AQI
29AQI
29AQI
31AQI
37AQI
33AQI
34AQI
41AQI
53AQI
46AQI
42AQI
45AQI
35AQI
38AQI
29AQI
36AQI
28AQI
23AQI
33AQI
31AQI
30AQI
22AQI
21AQI
26AQI
37AQI
38AQI
37AQI
33AQI
34AQI
23AQI
29AQI
31AQI
28AQI
24AQI
24AQI
22AQI
22AQI
29AQI
21AQI
21AQI
21AQI
34AQI
26AQI
16AQI
22AQI
32AQI
41AQI
39AQI
51AQI
46AQI
34AQI
46AQI
51AQI
52AQI
57AQI
45AQI
43AQI
45AQI
25AQI
14AQI
20AQI
36AQI
38AQI
36AQI
44AQI
50AQI
53AQI
52AQI
40AQI
44AQI
41AQI
45AQI
43AQI
40AQI
38AQI
28AQI
41AQI
No. of days
202541AQI
Highest AQI recorded in
January52AQI
Lowest AQI recorded in
September28AQI
202429AQI
Highest AQI recorded in
December54AQI
Lowest AQI recorded in
February17AQI
202324AQI
Highest AQI recorded in
April30AQI
Lowest AQI recorded in
August18AQI
202224AQI
Highest AQI recorded in
May35AQI
Lowest AQI recorded in
August8AQI
202128AQI
Highest AQI recorded in
June33AQI
Lowest AQI recorded in
July18AQI
202027AQI
Highest AQI recorded in
October41AQI
Lowest AQI recorded in
July18AQI
Most & Least Polluted Years Over the Last 6 Years
Douglas's annual 2025 AQI (41) shows an average percentage change of 57.6% (worsened AQI) compared to previous years: 2020 (27), 2021 (28), 2022 (24), 2023 (24), 2024 (29).