Olds, Alberta, Canada Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
July Air Quality Analysis
Olds, Alberta, Canada
AQI Trends: Highest and Lowest
Same Day Analysis (2nd July ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 37 of Good air quality, showing improvement over 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 2nd Jul - 3rd Jul 2025
Olds, Alberta, Canada
5 AM2nd Jul 2025
10 PM
4 AM3rd Jul 2025
51AQI
32AQI
26AQI
26AQI
In the last 24 hours,
Olds's AQI reached its highest point of 51 at 9 AM during the Day, while the lowest point, 26, was recorded at 4 AM during the Night between 2nd Jul and 3rd Jul 2025.
Day & Night AQI Trend : Jun - Jul 2025
Olds, Alberta, Canada
11°C7/15°C
12°C6/17°C
17°C10/22°C
18°C15/22°C
14°C10/17°C
17°C9/24°C
20°C16/24°C
16°C11/20°C
15°C9/20°C
12°C10/15°C
15°C11/19°C
14°C10/17°C
14°C10/19°C
16°C10/21°C
15°C13/19°C
14°C11/20°C
13°C10/16°C
10°C9/12°C
8°C6/10°C
11°C6/15°C
13°C9/16°C
14°C6/20°C
18°C14/21°C
16°C11/20°C
15°C12/19°C
14°C11/17°C
17°C12/22°C
19°C16/23°C
20°C14/25°C
23°C17/29°C
0°C0/0°C
34AQI
34AQI
33AQI
33AQI
2025 Days Vs Air Quality
Olds, Alberta, Canada
97%
177
3%
6
Total number of days with different AQI categories in last 184 days in 2025 (181 days remaining)
Under WHO’s Safe Air Quality Limits: 97%
Health Risk Level:
Very Low
In 2025, 97% of 184 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
Olds, Alberta, Canada
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
44AQI
36AQI
52AQI
28AQI
41AQI
36AQI
29AQI
21AQI
23AQI
23AQI
21AQI
29AQI
33AQI
31AQI
26AQI
25AQI
22AQI
26AQI
45AQI
34AQI
25AQI
24AQI
24AQI
20AQI
25AQI
25AQI
25AQI
26AQI
40AQI
46AQI
36AQI
30AQI
36AQI
34AQI
31AQI
30AQI
27AQI
37AQI
44AQI
26AQI
28AQI
31AQI
31AQI
43AQI
23AQI
20AQI
45AQI
38AQI
20AQI
25AQI
23AQI
18AQI
20AQI
14AQI
14AQI
18AQI
17AQI
17AQI
14AQI
20AQI
22AQI
22AQI
19AQI
15AQI
17AQI
13AQI
12AQI
18AQI
16AQI
14AQI
15AQI
21AQI
23AQI
31AQI
35AQI
30AQI
38AQI
21AQI
21AQI
19AQI
17AQI
15AQI
15AQI
21AQI
23AQI
22AQI
22AQI
21AQI
30AQI
23AQI
25AQI
22AQI
17AQI
19AQI
18AQI
19AQI
20AQI
14AQI
16AQI
20AQI
22AQI
20AQI
18AQI
22AQI
23AQI
21AQI
18AQI
21AQI
19AQI
17AQI
28AQI
13AQI
13AQI
15AQI
21AQI
24AQI
23AQI
22AQI
15AQI
13AQI
18AQI
26AQI
34AQI
19AQI
14AQI
21AQI
27AQI
20AQI
16AQI
26AQI
27AQI
28AQI
18AQI
23AQI
18AQI
32AQI
27AQI
21AQI
19AQI
12AQI
12AQI
13AQI
19AQI
22AQI
23AQI
28AQI
17AQI
27AQI
38AQI
21AQI
38AQI
18AQI
17AQI
17AQI
33AQI
35AQI
28AQI
39AQI
58AQI
52AQI
55AQI
63AQI
62AQI
45AQI
21AQI
22AQI
26AQI
33AQI
33AQI
24AQI
28AQI
21AQI
20AQI
41AQI
40AQI
40AQI
30AQI
24AQI
14AQI
14AQI
17AQI
29AQI
37AQI
30AQI
27AQI
21AQI
19AQI
23AQI
32AQI
33AQI
No. of days
202525AQI
Highest AQI recorded in
July33AQI
Lowest AQI recorded in
April19AQI
202424AQI
Highest AQI recorded in
July45AQI
Lowest AQI recorded in
April9AQI
202330AQI
Highest AQI recorded in
May65AQI
Lowest AQI recorded in
December11AQI
202219AQI
Highest AQI recorded in
September36AQI
Lowest AQI recorded in
November11AQI
202124AQI
Highest AQI recorded in
July70AQI
Lowest AQI recorded in
November8AQI
202018AQI
Highest AQI recorded in
September29AQI
Lowest AQI recorded in
November13AQI
Most & Least Polluted Years Over the Last 6 Years
Olds's annual 2025 AQI (25) shows an average percentage change of 15.7% (worsened AQI) compared to previous years: 2020 (18), 2021 (24), 2022 (19), 2023 (30), 2024 (24).