Marina 1, Yellowknife, Northwest Territories, Canada 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
Marina 1, Yellowknife, Northwest Territories, Canada
AQI Trends: Highest and Lowest
Same Day Analysis (19th October ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 47 of Good air quality, showing improvement over 2023 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 18th Oct - 19th Oct 2025
Marina 1, Yellowknife, Northwest Territories, Canada
7 AM18th Oct 2025
6 PM
6 AM19th Oct 2025
40AQI
22AQI
89AQI
22AQI
In the last 24 hours,
Marina 1's AQI reached its highest point of 89 at 10 PM during the Night, while the lowest point, 22, was recorded at 8 PM during the Night between 18th Oct and 19th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Marina 1, Yellowknife, Northwest Territories, Canada
--°C/°C
12°C9/17°C
15°C13/18°C
11°C7/14°C
10°C8/13°C
8°C7/10°C
9°C6/12°C
9°C5/13°C
9°C5/13°C
8°C5/12°C
9°C5/12°C
9°C6/12°C
7°C4/10°C
7°C3/9°C
8°C5/10°C
3°C0/4°C
0°C-3/2°C
-2°C-5/2°C
3°C-1/7°C
5°C3/8°C
5°C3/8°C
4°C2/6°C
2°C0/3°C
0°C-1/3°C
3°C1/5°C
4°C2/7°C
5°C3/9°C
2°C1/3°C
2°C1/2°C
1°C0/2°C
0°C-1/2°C
41AQI
35AQI
38AQI
36AQI
2025 Days Vs Air Quality
Marina 1, Yellowknife, Northwest Territories, Canada
93%
273
6%
18
0.3%
1
Total number of days with different AQI categories in last 293 days in 2025 (72 days remaining)
Under WHO’s Safe Air Quality Limits: 93%
Health Risk Level:
Very Low
In 2025, 93% of 293 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
Marina 1, Yellowknife, Northwest Territories, Canada
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
36AQI
35AQI
51AQI
56AQI
42AQI
50AQI
48AQI
46AQI
39AQI
41AQI
32AQI
44AQI
46AQI
46AQI
28AQI
35AQI
31AQI
27AQI
28AQI
25AQI
28AQI
29AQI
28AQI
33AQI
27AQI
36AQI
29AQI
26AQI
30AQI
35AQI
38AQI
30AQI
29AQI
33AQI
29AQI
29AQI
49AQI
51AQI
42AQI
30AQI
31AQI
32AQI
33AQI
28AQI
26AQI
30AQI
41AQI
48AQI
42AQI
29AQI
34AQI
28AQI
30AQI
26AQI
22AQI
27AQI
34AQI
27AQI
25AQI
28AQI
28AQI
29AQI
32AQI
27AQI
27AQI
31AQI
24AQI
24AQI
29AQI
48AQI
29AQI
30AQI
27AQI
28AQI
31AQI
38AQI
33AQI
34AQI
37AQI
33AQI
29AQI
32AQI
32AQI
34AQI
25AQI
29AQI
27AQI
19AQI
22AQI
24AQI
21AQI
22AQI
19AQI
20AQI
16AQI
14AQI
16AQI
17AQI
24AQI
44AQI
26AQI
17AQI
18AQI
20AQI
17AQI
17AQI
17AQI
18AQI
15AQI
14AQI
14AQI
15AQI
15AQI
17AQI
16AQI
15AQI
17AQI
18AQI
15AQI
19AQI
23AQI
20AQI
16AQI
19AQI
19AQI
23AQI
16AQI
15AQI
18AQI
18AQI
16AQI
21AQI
20AQI
20AQI
21AQI
23AQI
14AQI
15AQI
24AQI
21AQI
20AQI
26AQI
18AQI
18AQI
18AQI
21AQI
17AQI
16AQI
46AQI
42AQI
100AQI
114AQI
24AQI
24AQI
16AQI
57AQI
28AQI
18AQI
17AQI
46AQI
31AQI
26AQI
28AQI
23AQI
22AQI
20AQI
21AQI
22AQI
19AQI
21AQI
21AQI
27AQI
31AQI
41AQI
35AQI
37AQI
40AQI
35AQI
37AQI
38AQI
27AQI
22AQI
30AQI
22AQI
25AQI
28AQI
38AQI
54AQI
43AQI
32AQI
30AQI
27AQI
29AQI
31AQI
32AQI
33AQI
38AQI
51AQI
58AQI
45AQI
36AQI
28AQI
28AQI
30AQI
31AQI
25AQI
24AQI
22AQI
27AQI
48AQI
44AQI
45AQI
43AQI
51AQI
37AQI
39AQI
35AQI
37AQI
31AQI
32AQI
33AQI
41AQI
25AQI
30AQI
34AQI
34AQI
28AQI
25AQI
23AQI
28AQI
29AQI
25AQI
28AQI
26AQI
27AQI
51AQI
47AQI
46AQI
43AQI
41AQI
46AQI
40AQI
50AQI
57AQI
50AQI
61AQI
32AQI
43AQI
53AQI
39AQI
37AQI
30AQI
44AQI
31AQI
46AQI
37AQI
30AQI
36AQI
33AQI
44AQI
44AQI
35AQI
42AQI
42AQI
27AQI
26AQI
22AQI
25AQI
58AQI
70AQI
43AQI
50AQI
51AQI
59AQI
47AQI
51AQI
24AQI
32AQI
21AQI
31AQI
30AQI
40AQI
31AQI
32AQI
25AQI
26AQI
31AQI
33AQI
49AQI
39AQI
34AQI
47AQI
36AQI
33AQI
30AQI
18AQI
23AQI
32AQI
34AQI
36AQI
41AQI
36AQI
No. of days
202532AQI
Highest AQI recorded in
September41AQI
Lowest AQI recorded in
April18AQI
202422AQI
Highest AQI recorded in
December48AQI
Lowest AQI recorded in
April10AQI
202343AQI
Highest AQI recorded in
September139AQI
Lowest AQI recorded in
December9AQI
202218AQI
Highest AQI recorded in
August102AQI
Lowest AQI recorded in
November8AQI
202115AQI
Highest AQI recorded in
July28AQI
Lowest AQI recorded in
January7AQI
202010AQI
Highest AQI recorded in
April15AQI
Lowest AQI recorded in
October8AQI
Most & Least Polluted Years Over the Last 6 Years
Marina 1's annual 2025 AQI (32) shows an average percentage change of 83.4% (worsened AQI) compared to previous years: 2020 (10), 2021 (15), 2022 (18), 2023 (43), 2024 (22).