North Slave Region, Northwest Territories, Canada 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
North Slave Region, Northwest Territories, Canada
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 34 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
North Slave Region, Northwest Territories, Canada
7 AM28th Sep 2025
8 PM
6 AM29th Sep 2025
66AQI
37AQI
56AQI
37AQI
In the last 24 hours,
North Slave Region's AQI reached its highest point of 66 at 9 AM during the Day, while the lowest point, 37, was recorded at 5 AM during the Night between 28th Sep and 29th Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
North Slave Region, Northwest Territories, Canada
15°C10/17°C
10°C7/12°C
6°C3/7°C
9°C6/12°C
11°C9/14°C
9°C7/11°C
10°C7/12°C
10°C8/12°C
9°C6/12°C
8°C7/10°C
9°C8/11°C
10°C9/12°C
11°C8/14°C
14°C12/18°C
13°C11/16°C
11°C10/13°C
10°C8/11°C
10°C7/14°C
11°C8/13°C
12°C9/16°C
11°C8/14°C
11°C9/14°C
13°C9/17°C
9°C7/12°C
9°C8/11°C
7°C6/8°C
8°C6/12°C
8°C6/10°C
7°C5/9°C
6°C5/8°C
--°C/°C
41AQI
35AQI
42AQI
36AQI
2025 Days Vs Air Quality
North Slave Region, Northwest Territories, Canada
95%
177
4%
8
1%
2
Total number of days with different AQI categories in last 272 days in 2025 (93 days remaining)
Under WHO’s Safe Air Quality Limits: 95%
Health Risk Level:
Very Low
In 2025, 95% 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
North Slave Region, Northwest Territories, Canada
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
60AQI
34AQI
29AQI
24AQI
23AQI
25AQI
20AQI
26AQI
19AQI
22AQI
18AQI
18AQI
18AQI
20AQI
26AQI
44AQI
31AQI
21AQI
21AQI
21AQI
19AQI
22AQI
20AQI
19AQI
16AQI
16AQI
21AQI
24AQI
18AQI
20AQI
22AQI
19AQI
23AQI
20AQI
18AQI
22AQI
26AQI
23AQI
17AQI
20AQI
19AQI
23AQI
21AQI
16AQI
19AQI
18AQI
20AQI
21AQI
22AQI
21AQI
24AQI
23AQI
14AQI
16AQI
31AQI
30AQI
27AQI
26AQI
20AQI
19AQI
19AQI
20AQI
18AQI
19AQI
47AQI
48AQI
114AQI
114AQI
32AQI
24AQI
18AQI
55AQI
27AQI
20AQI
20AQI
39AQI
32AQI
26AQI
26AQI
22AQI
24AQI
23AQI
23AQI
29AQI
24AQI
30AQI
21AQI
29AQI
34AQI
47AQI
41AQI
43AQI
42AQI
35AQI
37AQI
39AQI
28AQI
21AQI
31AQI
24AQI
28AQI
31AQI
41AQI
56AQI
42AQI
32AQI
33AQI
28AQI
31AQI
34AQI
34AQI
34AQI
40AQI
50AQI
54AQI
48AQI
40AQI
34AQI
31AQI
29AQI
28AQI
25AQI
24AQI
25AQI
30AQI
42AQI
39AQI
44AQI
44AQI
51AQI
41AQI
45AQI
32AQI
33AQI
31AQI
32AQI
37AQI
39AQI
26AQI
27AQI
33AQI
33AQI
28AQI
26AQI
24AQI
27AQI
29AQI
26AQI
28AQI
27AQI
27AQI
45AQI
45AQI
42AQI
40AQI
41AQI
43AQI
34AQI
47AQI
55AQI
48AQI
62AQI
31AQI
42AQI
52AQI
37AQI
35AQI
29AQI
38AQI
30AQI
41AQI
37AQI
30AQI
30AQI
30AQI
40AQI
40AQI
32AQI
40AQI
37AQI
23AQI
22AQI
19AQI
24AQI
43AQI
47AQI
34AQI
33AQI
21AQI
26AQI
33AQI
35AQI
35AQI
37AQI
No. of days
202531AQI
Highest AQI recorded in
September37AQI
Lowest AQI recorded in
April21AQI
Most & Least Polluted Years Over the Last 1 Years
North Slave Region's annual 2025 AQI (31) shows an average percentage change of NaN% (improved AQI) compared to previous years: .