Caroline, Olds, 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
Caroline, Olds, Alberta, Canada
AQI Trends: Highest and Lowest
Same Day Analysis (2nd October):
On this day, AQI across the 5 years varied significantly: 2026 ranks 2nd highest AQI at 48 of Good air quality, showing improvement over 2025 on the same day.
Day & Night AQI Trend: 1st Oct - 2nd Oct 2026
Caroline, Olds, Alberta, Canada
7 AM1st Oct 2026
7 PM
6 AM2nd Oct 2026
55AQI
21AQI
50AQI
22AQI
In the last 24 hours,
Caroline's AQI reached its highest point of 55 at 8 AM during the Day, while the lowest point, 21, was recorded at 7 PM during the Day between 1st Oct and 2nd Oct 2026.
Day & Night AQI Trend : Sep - Oct 2026
Caroline, Olds, Alberta, Canada
11°C8/14°C
9°C5/14°C
8°C5/13°C
10°C4/16°C
10°C8/13°C
12°C6/19°C
15°C8/23°C
9°C5/14°C
5°C5/7°C
6°C2/12°C
8°C2/16°C
8°C6/11°C
7°C4/11°C
10°C3/19°C
12°C6/21°C
12°C6/19°C
13°C7/21°C
14°C8/23°C
16°C9/26°C
11°C7/16°C
10°C6/16°C
8°C3/15°C
12°C6/23°C
3°C1/5°C
5°C-1/13°C
8°C1/17°C
8°C4/13°C
5°C1/11°C
5°C-1/12°C
7°C2/14°C
50AQI
44AQI
49AQI
40AQI
2026 Days Vs Air Quality
Caroline, Olds, Alberta, Canada
83%
225
16%
44
1%
3
Total number of days with different AQI categories in last 275 days in 2026 (90 days remaining)
Under WHO’s Safe Air Quality Limits: 83%
Health Risk Level:
Low
In 2026, 83% of 275 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
Caroline, Olds, Alberta, Canada
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
28AQI (US)
39AQI (US)
43AQI (US)
52AQI (US)
50AQI (US)
21AQI (US)
23AQI (US)
18AQI (US)
13AQI (US)
18AQI (US)
23AQI (US)
12AQI (US)
19AQI (US)
23AQI (US)
11AQI (US)
10AQI (US)
10AQI (US)
11AQI (US)
13AQI (US)
14AQI (US)
13AQI (US)
46AQI (US)
50AQI (US)
55AQI (US)
50AQI (US)
51AQI (US)
47AQI (US)
43AQI (US)
51AQI (US)
45AQI (US)
42AQI (US)
47AQI (US)
48AQI (US)
46AQI (US)
49AQI (US)
49AQI (US)
47AQI (US)
41AQI (US)
43AQI (US)
43AQI (US)
32AQI (US)
32AQI (US)
32AQI (US)
43AQI (US)
46AQI (US)
38AQI (US)
40AQI (US)
36AQI (US)
30AQI (US)
36AQI (US)
40AQI (US)
49AQI (US)
41AQI (US)
47AQI (US)
44AQI (US)
37AQI (US)
31AQI (US)
32AQI (US)
35AQI (US)
39AQI (US)
44AQI (US)
48AQI (US)
42AQI (US)
43AQI (US)
33AQI (US)
38AQI (US)
40AQI (US)
40AQI (US)
30AQI (US)
32AQI (US)
39AQI (US)
35AQI (US)
40AQI (US)
31AQI (US)
34AQI (US)
34AQI (US)
33AQI (US)
33AQI (US)
35AQI (US)
33AQI (US)
28AQI (US)
25AQI (US)
39AQI (US)
31AQI (US)
33AQI (US)
30AQI (US)
24AQI (US)
34AQI (US)
30AQI (US)
30AQI (US)
33AQI (US)
32AQI (US)
30AQI (US)
24AQI (US)
25AQI (US)
24AQI (US)
29AQI (US)
24AQI (US)
27AQI (US)
24AQI (US)
29AQI (US)
31AQI (US)
37AQI (US)
35AQI (US)
32AQI (US)
27AQI (US)
27AQI (US)
28AQI (US)
27AQI (US)
23AQI (US)
26AQI (US)
27AQI (US)
28AQI (US)
28AQI (US)
22AQI (US)
21AQI (US)
27AQI (US)
24AQI (US)
25AQI (US)
20AQI (US)
20AQI (US)
22AQI (US)
30AQI (US)
18AQI (US)
20AQI (US)
25AQI (US)
30AQI (US)
29AQI (US)
23AQI (US)
22AQI (US)
22AQI (US)
38AQI (US)
39AQI (US)
39AQI (US)
33AQI (US)
33AQI (US)
30AQI (US)
28AQI (US)
30AQI (US)
27AQI (US)
26AQI (US)
21AQI (US)
17AQI (US)
23AQI (US)
30AQI (US)
23AQI (US)
26AQI (US)
29AQI (US)
31AQI (US)
31AQI (US)
31AQI (US)
34AQI (US)
17AQI (US)
24AQI (US)
24AQI (US)
26AQI (US)
23AQI (US)
27AQI (US)
27AQI (US)
28AQI (US)
25AQI (US)
20AQI (US)
22AQI (US)
22AQI (US)
26AQI (US)
17AQI (US)
19AQI (US)
19AQI (US)
19AQI (US)
17AQI (US)
21AQI (US)
18AQI (US)
18AQI (US)
24AQI (US)
27AQI (US)
28AQI (US)
61AQI (US)
104AQI (US)
63AQI (US)
26AQI (US)
24AQI (US)
21AQI (US)
17AQI (US)
17AQI (US)
20AQI (US)
24AQI (US)
45AQI (US)
31AQI (US)
20AQI (US)
24AQI (US)
34AQI (US)
27AQI (US)
28AQI (US)
31AQI (US)
44AQI (US)
58AQI (US)
55AQI (US)
52AQI (US)
68AQI (US)
71AQI (US)
120AQI (US)
133AQI (US)
77AQI (US)
60AQI (US)
56AQI (US)
51AQI (US)
45AQI (US)
53AQI (US)
88AQI (US)
100AQI (US)
92AQI (US)
48AQI (US)
45AQI (US)
51AQI (US)
83AQI (US)
65AQI (US)
61AQI (US)
79AQI (US)
70AQI (US)
74AQI (US)
56AQI (US)
46AQI (US)
49AQI (US)
49AQI (US)
52AQI (US)
58AQI (US)
62AQI (US)
64AQI (US)
72AQI (US)
61AQI (US)
70AQI (US)
59AQI (US)
45AQI (US)
43AQI (US)
45AQI (US)
52AQI (US)
70AQI (US)
67AQI (US)
46AQI (US)
50AQI (US)
47AQI (US)
50AQI (US)
47AQI (US)
43AQI (US)
45AQI (US)
47AQI (US)
44AQI (US)
57AQI (US)
53AQI (US)
48AQI (US)
55AQI (US)
44AQI (US)
41AQI (US)
50AQI (US)
48AQI (US)
49AQI (US)
53AQI (US)
48AQI (US)
42AQI (US)
44AQI (US)
47AQI (US)
47AQI (US)
49AQI (US)
47AQI (US)
54AQI (US)
30AQI (US)
41AQI (US)
45AQI (US)
47AQI (US)
51AQI (US)
45AQI (US)
48AQI (US)
30AQI (US)
41AQI (US)
35AQI (US)
28AQI (US)
27AQI (US)
28AQI (US)
48AQI (US)
61AQI (US)
47AQI (US)
47AQI (US)
No. of days
202638AQI (US)
Highest AQI (US) recorded in
August61AQI (US)
Lowest AQI (US) recorded in
May27AQI (US)
202529AQI (US)
Highest AQI (US) recorded in
September54AQI (US)
Lowest AQI (US) recorded in
April19AQI (US)
202424AQI (US)
Highest AQI (US) recorded in
July45AQI (US)
Lowest AQI (US) recorded in
April9AQI (US)
202330AQI (US)
Highest AQI (US) recorded in
May65AQI (US)
Lowest AQI (US) recorded in
December11AQI (US)
202219AQI (US)
Highest AQI (US) recorded in
September36AQI (US)
Lowest AQI (US) recorded in
November11AQI (US)
202124AQI (US)
Highest AQI (US) recorded in
July70AQI (US)
Lowest AQI (US) recorded in
November8AQI (US)
202018AQI (US)
Highest AQI (US) recorded in
September29AQI (US)
Lowest AQI (US) recorded in
November13AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Caroline's annual 2026 AQI (US) (38) shows an average percentage change of 64.2% (worsened AQI (US)) compared to previous years: 2020 (18), 2021 (24), 2022 (19), 2023 (30), 2024 (24), 2025 (29).