St Line, St Paul, Alberta, 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
St Line, St Paul, Alberta, Canada
AQI Trends: Highest and Lowest
Same Day Analysis (10th October ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 42 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 10th Oct - 11th Oct 2025
St Line, St Paul, Alberta, Canada
7 AM10th Oct 2025
7 PM
6 AM11th Oct 2025
46AQI
28AQI
59AQI
38AQI
In the last 24 hours,
St Line's AQI reached its highest point of 59 at 12 AM during the Night, while the lowest point, 28, was recorded at 4 PM during the Day between 10th Oct and 11th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
St Line, St Paul, Alberta, Canada
18°C10/27°C
18°C8/28°C
19°C9/28°C
17°C11/25°C
17°C11/26°C
14°C5/23°C
15°C6/25°C
15°C8/26°C
14°C10/21°C
18°C9/28°C
17°C8/27°C
14°C5/22°C
14°C5/24°C
11°C7/18°C
10°C1/20°C
11°C7/18°C
11°C3/19°C
11°C6/16°C
15°C8/26°C
15°C9/22°C
11°C9/12°C
9°C3/17°C
10°C4/19°C
8°C3/12°C
4°C-5/12°C
5°C-1/8°C
13°C5/24°C
9°C4/14°C
6°C-3/15°C
8°C-1/19°C
--°C/°C
40AQI
36AQI
42AQI
36AQI
2025 Days Vs Air Quality
St Line, St Paul, Alberta, Canada
90%
255
10%
27
0.3%
1
Total number of days with different AQI categories in last 284 days in 2025 (81 days remaining)
Under WHO’s Safe Air Quality Limits: 90%
Health Risk Level:
Very Low
In 2025, 90% of 284 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
St Line, St Paul, Alberta, Canada
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
31AQI
36AQI
50AQI
35AQI
31AQI
37AQI
52AQI
28AQI
27AQI
32AQI
27AQI
38AQI
37AQI
34AQI
20AQI
25AQI
17AQI
18AQI
27AQI
29AQI
23AQI
22AQI
22AQI
17AQI
29AQI
20AQI
16AQI
17AQI
20AQI
24AQI
24AQI
16AQI
21AQI
29AQI
27AQI
25AQI
22AQI
25AQI
28AQI
24AQI
26AQI
39AQI
28AQI
25AQI
21AQI
20AQI
26AQI
23AQI
23AQI
22AQI
38AQI
32AQI
40AQI
24AQI
19AQI
34AQI
23AQI
21AQI
20AQI
26AQI
32AQI
20AQI
21AQI
28AQI
23AQI
19AQI
16AQI
20AQI
17AQI
22AQI
20AQI
17AQI
15AQI
16AQI
15AQI
24AQI
26AQI
23AQI
21AQI
22AQI
29AQI
15AQI
15AQI
19AQI
20AQI
22AQI
18AQI
20AQI
20AQI
25AQI
35AQI
24AQI
17AQI
19AQI
16AQI
20AQI
19AQI
22AQI
15AQI
17AQI
17AQI
18AQI
20AQI
18AQI
18AQI
16AQI
19AQI
20AQI
17AQI
15AQI
14AQI
17AQI
14AQI
14AQI
17AQI
22AQI
15AQI
17AQI
12AQI
13AQI
14AQI
23AQI
25AQI
16AQI
12AQI
17AQI
15AQI
14AQI
16AQI
15AQI
16AQI
33AQI
25AQI
27AQI
17AQI
20AQI
20AQI
18AQI
15AQI
18AQI
18AQI
21AQI
25AQI
13AQI
12AQI
14AQI
21AQI
22AQI
27AQI
26AQI
22AQI
20AQI
24AQI
34AQI
29AQI
37AQI
26AQI
44AQI
37AQI
54AQI
62AQI
56AQI
50AQI
55AQI
57AQI
39AQI
33AQI
29AQI
36AQI
27AQI
32AQI
23AQI
20AQI
26AQI
35AQI
32AQI
34AQI
35AQI
21AQI
15AQI
16AQI
17AQI
17AQI
20AQI
18AQI
22AQI
23AQI
25AQI
30AQI
30AQI
30AQI
34AQI
26AQI
18AQI
23AQI
31AQI
39AQI
44AQI
45AQI
49AQI
52AQI
53AQI
43AQI
37AQI
43AQI
33AQI
37AQI
35AQI
42AQI
42AQI
39AQI
43AQI
52AQI
50AQI
40AQI
32AQI
34AQI
28AQI
25AQI
27AQI
35AQI
29AQI
21AQI
24AQI
19AQI
21AQI
21AQI
16AQI
18AQI
17AQI
19AQI
21AQI
16AQI
27AQI
27AQI
29AQI
33AQI
43AQI
52AQI
51AQI
53AQI
51AQI
45AQI
74AQI
82AQI
109AQI
84AQI
41AQI
50AQI
59AQI
75AQI
73AQI
75AQI
65AQI
68AQI
65AQI
38AQI
30AQI
33AQI
52AQI
53AQI
49AQI
50AQI
53AQI
35AQI
25AQI
21AQI
26AQI
29AQI
17AQI
17AQI
20AQI
42AQI
57AQI
42AQI
42AQI
23AQI
23AQI
21AQI
40AQI
31AQI
27AQI
42AQI
28AQI
26AQI
21AQI
18AQI
19AQI
35AQI
34AQI
31AQI
50AQI
35AQI
No. of days
202529AQI
Highest AQI recorded in
September50AQI
Lowest AQI recorded in
April18AQI
202427AQI
Highest AQI recorded in
July61AQI
Lowest AQI recorded in
April13AQI
202335AQI
Highest AQI recorded in
September63AQI
Lowest AQI recorded in
February13AQI
202219AQI
Highest AQI recorded in
September29AQI
Lowest AQI recorded in
August8AQI
202124AQI
Highest AQI recorded in
July57AQI
Lowest AQI recorded in
September12AQI
202020AQI
Highest AQI recorded in
November28AQI
Lowest AQI recorded in
October15AQI
Most & Least Polluted Years Over the Last 6 Years
St Line's annual 2025 AQI (29) shows an average percentage change of 22.6% (worsened AQI) compared to previous years: 2020 (20), 2021 (24), 2022 (19), 2023 (35), 2024 (27).