Whitehorse, Yukon, 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
Whitehorse, Yukon, Canada
AQI Trends: Highest and Lowest
Same Day Analysis (12th October ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 27 of Good air quality, showing improvement over 2022 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 11th Oct - 12th Oct 2025
Whitehorse, Yukon, Canada
8 AM11th Oct 2025
8 PM
7 AM12th Oct 2025
20AQI
12AQI
30AQI
12AQI
In the last 24 hours,
Whitehorse's AQI reached its highest point of 30 at 7 AM during the Night, while the lowest point, 12, was recorded at 8 PM during the Night between 11th Oct and 12th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Whitehorse, Yukon, Canada
--°C/°C
9°C7/10°C
9°C7/12°C
10°C5/15°C
10°C6/15°C
12°C7/17°C
11°C8/14°C
10°C6/16°C
10°C6/16°C
6°C3/7°C
6°C3/9°C
5°C3/7°C
6°C2/11°C
8°C4/13°C
7°C4/11°C
4°C2/8°C
5°C3/8°C
5°C2/9°C
3°C1/4°C
1°C0/3°C
3°C1/7°C
4°C1/5°C
2°C-3/4°C
0°C-2/1°C
0°C-2/3°C
0°C-2/3°C
3°C0/6°C
7°C2/10°C
3°C0/4°C
-1°C-4/0°C
-1°C-4/3°C
26AQI
22AQI
25AQI
22AQI
2025 Days Vs Air Quality
Whitehorse, Yukon, Canada
84%
238
16%
47
Total number of days with different AQI categories in last 286 days in 2025 (79 days remaining)
Under WHO’s Safe Air Quality Limits: 84%
Health Risk Level:
Low
In 2025, 84% of 286 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
Whitehorse, Yukon, Canada
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
54AQI
36AQI
70AQI
82AQI
50AQI
58AQI
57AQI
60AQI
55AQI
41AQI
54AQI
48AQI
49AQI
48AQI
46AQI
73AQI
60AQI
71AQI
64AQI
46AQI
66AQI
70AQI
53AQI
49AQI
35AQI
39AQI
40AQI
52AQI
63AQI
76AQI
69AQI
63AQI
57AQI
76AQI
55AQI
58AQI
68AQI
54AQI
58AQI
57AQI
76AQI
76AQI
66AQI
44AQI
31AQI
41AQI
81AQI
99AQI
87AQI
89AQI
47AQI
39AQI
39AQI
60AQI
36AQI
49AQI
55AQI
30AQI
35AQI
42AQI
85AQI
63AQI
71AQI
60AQI
37AQI
45AQI
30AQI
25AQI
39AQI
58AQI
45AQI
44AQI
50AQI
48AQI
41AQI
55AQI
51AQI
44AQI
56AQI
49AQI
53AQI
50AQI
39AQI
41AQI
33AQI
38AQI
30AQI
35AQI
33AQI
34AQI
31AQI
33AQI
35AQI
35AQI
27AQI
24AQI
23AQI
20AQI
23AQI
32AQI
23AQI
24AQI
23AQI
21AQI
21AQI
19AQI
19AQI
19AQI
17AQI
17AQI
23AQI
21AQI
20AQI
23AQI
26AQI
20AQI
21AQI
25AQI
23AQI
27AQI
26AQI
31AQI
23AQI
27AQI
20AQI
28AQI
28AQI
23AQI
24AQI
24AQI
24AQI
25AQI
27AQI
26AQI
25AQI
22AQI
18AQI
19AQI
25AQI
21AQI
22AQI
22AQI
20AQI
21AQI
18AQI
17AQI
18AQI
20AQI
30AQI
30AQI
54AQI
46AQI
20AQI
22AQI
21AQI
37AQI
18AQI
19AQI
17AQI
22AQI
26AQI
23AQI
24AQI
22AQI
23AQI
23AQI
23AQI
34AQI
30AQI
30AQI
26AQI
39AQI
41AQI
43AQI
42AQI
39AQI
34AQI
23AQI
23AQI
27AQI
21AQI
21AQI
23AQI
21AQI
29AQI
32AQI
38AQI
50AQI
35AQI
28AQI
25AQI
24AQI
26AQI
34AQI
33AQI
32AQI
24AQI
30AQI
33AQI
32AQI
38AQI
33AQI
28AQI
25AQI
22AQI
21AQI
22AQI
26AQI
30AQI
31AQI
29AQI
24AQI
21AQI
40AQI
30AQI
32AQI
21AQI
21AQI
23AQI
20AQI
21AQI
24AQI
20AQI
19AQI
23AQI
21AQI
18AQI
15AQI
17AQI
18AQI
18AQI
16AQI
21AQI
20AQI
18AQI
22AQI
23AQI
23AQI
21AQI
17AQI
21AQI
19AQI
23AQI
28AQI
25AQI
31AQI
41AQI
22AQI
28AQI
23AQI
18AQI
17AQI
20AQI
25AQI
25AQI
25AQI
25AQI
24AQI
26AQI
35AQI
30AQI
27AQI
30AQI
26AQI
21AQI
21AQI
21AQI
24AQI
20AQI
15AQI
15AQI
23AQI
25AQI
22AQI
21AQI
16AQI
15AQI
23AQI
30AQI
22AQI
25AQI
28AQI
28AQI
22AQI
27AQI
56AQI
58AQI
46AQI
24AQI
24AQI
28AQI
29AQI
21AQI
25AQI
23AQI
No. of days
202534AQI
Highest AQI recorded in
February58AQI
Lowest AQI recorded in
August21AQI
202420AQI
Highest AQI recorded in
December61AQI
Lowest AQI recorded in
April2AQI
202335AQI
Highest AQI recorded in
July82AQI
Lowest AQI recorded in
September8AQI
202236AQI
Highest AQI recorded in
July56AQI
Lowest AQI recorded in
March24AQI
202127AQI
Highest AQI recorded in
January48AQI
Lowest AQI recorded in
October19AQI
202033AQI
Highest AQI recorded in
December49AQI
Lowest AQI recorded in
July21AQI
Most & Least Polluted Years Over the Last 6 Years
Whitehorse's annual 2025 AQI (34) shows an average percentage change of 17.8% (worsened AQI) compared to previous years: 2020 (33), 2021 (27), 2022 (36), 2023 (35), 2024 (20).