Denali NPP, 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!
October Air Quality Analysis
Denali NPP, Denali Park, Alaska, United States
AQI Trends: Highest and Lowest
Same Day Analysis (19th October ):
On this day, AQI across the 1 years varied significantly: 2025 ranks 1st highest AQI at 27 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 18th Oct - 19th Oct 2025
Denali NPP, Denali Park, Alaska, United States
8 AM18th Oct 2025
7 PM
7 AM19th Oct 2025
36AQI
8AQI
37AQI
13AQI
In the last 24 hours,
Denali NPP's AQI reached its highest point of 37 at 10 PM during the Night, while the lowest point, 8, was recorded at 2 PM during the Day between 18th Oct and 19th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Denali NPP, Denali Park, Alaska, United States
5°C-1/11°C
4°C1/7°C
2°C-1/5°C
-1°C-3/2°C
-4°C-10/3°C
2°C-1/6°C
-2°C-5/3°C
-3°C-6/1°C
-3°C-7/0°C
-4°C-8/2°C
-3°C-7/1°C
-3°C-9/3°C
1°C-6/5°C
0°C-4/2°C
-2°C-6/3°C
0°C-4/4°C
1°C-3/6°C
3°C-1/6°C
0°C-3/5°C
3°C-1/5°C
0°C-4/2°C
-3°C-7/0°C
-4°C-10/1°C
-2°C-6/3°C
-2°C-5/2°C
-4°C-8/1°C
-4°C-9/2°C
-4°C-7/2°C
-5°C-9/1°C
-6°C-8/-1°C
--°C/°C
28AQI
18AQI
22AQI
18AQI
2025 Days Vs Air Quality
Denali NPP, Denali Park, Alaska, United States
91%
190
9%
18
Total number of days with different AQI categories in last 292 days in 2025 (73 days remaining)
Under WHO’s Safe Air Quality Limits: 91%
Health Risk Level:
Very Low
In 2025, 91% of 292 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 NPP, 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
19AQI
24AQI
48AQI
33AQI
24AQI
21AQI
27AQI
34AQI
26AQI
9AQI
12AQI
14AQI
14AQI
26AQI
16AQI
12AQI
12AQI
18AQI
16AQI
16AQI
20AQI
12AQI
17AQI
15AQI
13AQI
21AQI
27AQI
47AQI
31AQI
27AQI
40AQI
39AQI
20AQI
26AQI
17AQI
No. of days
202530AQI
Highest AQI recorded in
March47AQI
Lowest AQI recorded in
October17AQI
Most & Least Polluted Years Over the Last 1 Years
Denali NPP's annual 2025 AQI (30) shows an average percentage change of NaN% (improved AQI) compared to previous years: .