Denali Park, 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
Denali Park, Alaska, United States
AQI Trends: Highest and Lowest
Same Day Analysis (23rd September ):
On this day, AQI across the 1 years varied significantly: 2025 ranks 1st highest AQI at 20 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 23rd Sep - 24th Sep 2025
Denali Park, Alaska, United States
7 AM23rd Sep 2025
8 PM
6 AM24th Sep 2025
34AQI
18AQI
42AQI
16AQI
In the last 24 hours,
Denali Park's AQI reached its highest point of 42 at 5 AM during the Night, while the lowest point, 16, was recorded at 6 AM during the Night between 23rd Sep and 24th Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
Denali Park, Alaska, United States
8°C4/14°C
8°C4/13°C
9°C6/13°C
8°C3/16°C
3°C-3/4°C
1°C-7/10°C
6°C0/13°C
6°C2/11°C
6°C2/10°C
6°C1/11°C
9°C5/15°C
8°C6/10°C
7°C3/11°C
7°C5/11°C
6°C1/12°C
5°C0/11°C
5°C2/9°C
3°C1/4°C
0°C-4/3°C
-1°C-4/3°C
1°C-3/5°C
2°C-3/7°C
4°C-1/12°C
4°C-1/11°C
4°C-2/10°C
5°C-1/11°C
4°C1/7°C
2°C-1/5°C
-1°C-3/2°C
-4°C-10/3°C
--°C/°C
26AQI
21AQI
27AQI
20AQI
2025 Days Vs Air Quality
Denali Park, Alaska, United States
90%
164
10%
18
Total number of days with different AQI categories in last 267 days in 2025 (98 days remaining)
Under WHO’s Safe Air Quality Limits: 90%
Health Risk Level:
Very Low
In 2025, 90% of 267 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
Denali Park, Alaska, United States
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
53AQI
46AQI
47AQI
55AQI
47AQI
35AQI
34AQI
40AQI
45AQI
59AQI
47AQI
40AQI
28AQI
31AQI
32AQI
42AQI
29AQI
32AQI
20AQI
24AQI
25AQI
27AQI
25AQI
16AQI
17AQI
22AQI
32AQI
41AQI
30AQI
29AQI
32AQI
28AQI
29AQI
18AQI
21AQI
23AQI
36AQI
26AQI
29AQI
24AQI
18AQI
28AQI
23AQI
26AQI
28AQI
26AQI
31AQI
28AQI
26AQI
24AQI
25AQI
31AQI
26AQI
25AQI
24AQI
32AQI
29AQI
39AQI
35AQI
30AQI
27AQI
27AQI
30AQI
27AQI
24AQI
27AQI
21AQI
27AQI
28AQI
38AQI
23AQI
28AQI
23AQI
33AQI
26AQI
26AQI
40AQI
33AQI
34AQI
38AQI
37AQI
42AQI
50AQI
50AQI
45AQI
52AQI
61AQI
67AQI
66AQI
65AQI
57AQI
54AQI
36AQI
27AQI
27AQI
27AQI
25AQI
26AQI
29AQI
34AQI
57AQI
72AQI
82AQI
84AQI
65AQI
55AQI
37AQI
36AQI
36AQI
60AQI
52AQI
30AQI
23AQI
26AQI
35AQI
41AQI
40AQI
32AQI
24AQI
19AQI
19AQI
22AQI
23AQI
34AQI
33AQI
24AQI
28AQI
20AQI
23AQI
27AQI
25AQI
21AQI
20AQI
22AQI
30AQI
28AQI
26AQI
22AQI
18AQI
21AQI
23AQI
20AQI
15AQI
14AQI
15AQI
20AQI
21AQI
17AQI
19AQI
18AQI
21AQI
19AQI
16AQI
18AQI
18AQI
16AQI
18AQI
14AQI
16AQI
21AQI
21AQI
27AQI
32AQI
16AQI
27AQI
23AQI
23AQI
20AQI
21AQI
18AQI
17AQI
17AQI
19AQI
21AQI
28AQI
43AQI
37AQI
37AQI
40AQI
28AQI
19AQI
20AQI
47AQI
31AQI
27AQI
40AQI
39AQI
20AQI
25AQI
No. of days
202531AQI
Highest AQI recorded in
March47AQI
Lowest AQI recorded in
August20AQI
Most & Least Polluted Years Over the Last 1 Years
Denali Park's annual 2025 AQI (31) shows an average percentage change of NaN% (improved AQI) compared to previous years: .