Anchorage, Alaska, 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
Anchorage, Alaska, United States
AQI Trends: Highest and Lowest
Same Day Analysis (28th September ):
On this day, AQI across the 1 years varied significantly: 2025 ranks 1st highest AQI at 33 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 28th Sep - 29th Sep 2025
Anchorage, Alaska, United States
7 AM28th Sep 2025
8 PM
6 AM29th Sep 2025
49AQI
14AQI
61AQI
33AQI
In the last 24 hours,
Anchorage's AQI reached its highest point of 61 at 2 AM during the Night, while the lowest point, 14, was recorded at 4 PM during the Day between 28th Sep and 29th Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
Anchorage, Alaska, United States
11°C9/14°C
12°C10/13°C
13°C11/17°C
13°C11/15°C
13°C11/15°C
13°C12/16°C
12°C11/14°C
11°C10/12°C
11°C10/13°C
12°C10/15°C
11°C9/14°C
11°C9/13°C
10°C7/11°C
7°C6/7°C
8°C6/11°C
9°C6/12°C
9°C7/12°C
10°C9/13°C
10°C8/12°C
10°C8/13°C
10°C8/12°C
10°C9/12°C
10°C8/11°C
9°C7/10°C
5°C4/7°C
8°C5/11°C
8°C6/11°C
6°C5/7°C
6°C4/9°C
7°C4/10°C
--°C/°C
29AQI
25AQI
35AQI
22AQI
2025 Days Vs Air Quality
Anchorage, Alaska, United States
96%
180
4%
7
Total number of days with different AQI categories in last 272 days in 2025 (93 days remaining)
Under WHO’s Safe Air Quality Limits: 96%
Health Risk Level:
Very Low
In 2025, 96% of 272 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
Anchorage, Alaska, United States
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
53AQI
58AQI
43AQI
34AQI
44AQI
53AQI
54AQI
53AQI
56AQI
47AQI
38AQI
39AQI
20AQI
14AQI
24AQI
17AQI
18AQI
35AQI
28AQI
29AQI
38AQI
16AQI
19AQI
24AQI
24AQI
25AQI
18AQI
12AQI
18AQI
34AQI
29AQI
23AQI
17AQI
16AQI
17AQI
16AQI
20AQI
20AQI
23AQI
17AQI
21AQI
26AQI
24AQI
22AQI
22AQI
22AQI
24AQI
18AQI
19AQI
26AQI
17AQI
17AQI
15AQI
18AQI
16AQI
17AQI
24AQI
23AQI
22AQI
20AQI
24AQI
24AQI
24AQI
23AQI
21AQI
19AQI
17AQI
28AQI
15AQI
17AQI
15AQI
17AQI
19AQI
16AQI
16AQI
18AQI
20AQI
23AQI
25AQI
28AQI
29AQI
28AQI
21AQI
31AQI
26AQI
42AQI
49AQI
36AQI
35AQI
33AQI
31AQI
29AQI
18AQI
16AQI
18AQI
18AQI
17AQI
19AQI
21AQI
21AQI
23AQI
24AQI
34AQI
41AQI
30AQI
21AQI
19AQI
20AQI
20AQI
32AQI
27AQI
20AQI
20AQI
19AQI
25AQI
23AQI
25AQI
22AQI
21AQI
19AQI
19AQI
17AQI
18AQI
21AQI
22AQI
28AQI
34AQI
21AQI
18AQI
19AQI
18AQI
21AQI
20AQI
20AQI
18AQI
16AQI
16AQI
18AQI
17AQI
19AQI
22AQI
18AQI
16AQI
17AQI
14AQI
21AQI
18AQI
15AQI
15AQI
18AQI
22AQI
22AQI
17AQI
18AQI
18AQI
15AQI
15AQI
14AQI
15AQI
19AQI
18AQI
28AQI
37AQI
19AQI
35AQI
24AQI
24AQI
22AQI
19AQI
16AQI
17AQI
14AQI
19AQI
27AQI
35AQI
46AQI
42AQI
29AQI
29AQI
28AQI
21AQI
27AQI
28AQI
61AQI
49AQI
27AQI
33AQI
48AQI
27AQI
21AQI
24AQI
23AQI
18AQI
28AQI
No. of days
202524AQI
Highest AQI recorded in
March48AQI
Lowest AQI recorded in
August18AQI
Most & Least Polluted Years Over the Last 1 Years
Anchorage's annual 2025 AQI (24) shows an average percentage change of NaN% (improved AQI) compared to previous years: .