Oakville, Ontario, Canada Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
June Air Quality Analysis
Oakville, Ontario, Canada
AQI Trends: Highest and Lowest
Same Day Analysis (2nd June):
On this day, AQI across the 5 years varied significantly: 2026 ranks 4th highest AQI at 32 of Good air quality, showing improvement over 2024, 2023 and 2022 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 1st Jun - 2nd Jun 2026
Oakville, Ontario, Canada
5 AM1st Jun 2026
8 PM
4 AM2nd Jun 2026
36AQI
26AQI
34AQI
30AQI
In the last 24 hours,
Oakville's AQI reached its highest point of 36 at 12 PM during the Day, while the lowest point, 26, was recorded at 7 AM during the Day between 1st Jun and 2nd Jun 2026.
Day & Night AQI Trend : May - Jun 2026
Oakville, Ontario, Canada
12°C7/19°C
12°C7/18°C
7°C4/10°C
6°C4/9°C
7°C5/10°C
9°C7/14°C
9°C6/13°C
7°C6/9°C
7°C4/10°C
9°C7/12°C
7°C6/8°C
10°C7/16°C
12°C8/19°C
11°C7/17°C
13°C8/24°C
19°C15/24°C
14°C9/16°C
8°C6/11°C
9°C7/11°C
9°C9/9°C
10°C9/10°C
12°C10/14°C
16°C11/22°C
14°C12/15°C
13°C11/17°C
16°C10/23°C
11°C9/14°C
16°C9/24°C
12°C11/15°C
14°C11/20°C
49AQI
30AQI
45AQI
32AQI
2026 Days Vs Air Quality
Oakville, Ontario, Canada
91%
137
9%
13
Total number of days with different AQI categories in last 153 days in 2026 (212 days remaining)
Under WHO’s Safe Air Quality Limits: 91%
Health Risk Level:
Very Low
In 2026, 91% of 153 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
Oakville, Ontario, Canada
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
11AQI (US)
11AQI (US)
16AQI (US)
31AQI (US)
37AQI (US)
66AQI (US)
46AQI (US)
51AQI (US)
30AQI (US)
12AQI (US)
15AQI (US)
24AQI (US)
37AQI (US)
32AQI (US)
9AQI (US)
20AQI (US)
33AQI (US)
23AQI (US)
27AQI (US)
16AQI (US)
26AQI (US)
59AQI (US)
59AQI (US)
47AQI (US)
50AQI (US)
49AQI (US)
39AQI (US)
43AQI (US)
50AQI (US)
57AQI (US)
44AQI (US)
45AQI (US)
49AQI (US)
49AQI (US)
45AQI (US)
51AQI (US)
50AQI (US)
40AQI (US)
44AQI (US)
47AQI (US)
45AQI (US)
40AQI (US)
39AQI (US)
48AQI (US)
50AQI (US)
45AQI (US)
45AQI (US)
57AQI (US)
44AQI (US)
42AQI (US)
41AQI (US)
37AQI (US)
36AQI (US)
38AQI (US)
46AQI (US)
44AQI (US)
34AQI (US)
36AQI (US)
36AQI (US)
38AQI (US)
60AQI (US)
46AQI (US)
47AQI (US)
42AQI (US)
36AQI (US)
39AQI (US)
37AQI (US)
37AQI (US)
35AQI (US)
42AQI (US)
38AQI (US)
41AQI (US)
35AQI (US)
32AQI (US)
38AQI (US)
34AQI (US)
32AQI (US)
39AQI (US)
42AQI (US)
40AQI (US)
37AQI (US)
40AQI (US)
38AQI (US)
38AQI (US)
37AQI (US)
28AQI (US)
31AQI (US)
30AQI (US)
27AQI (US)
28AQI (US)
30AQI (US)
30AQI (US)
29AQI (US)
32AQI (US)
30AQI (US)
31AQI (US)
28AQI (US)
34AQI (US)
29AQI (US)
31AQI (US)
30AQI (US)
29AQI (US)
33AQI (US)
38AQI (US)
37AQI (US)
31AQI (US)
30AQI (US)
33AQI (US)
28AQI (US)
28AQI (US)
24AQI (US)
25AQI (US)
28AQI (US)
32AQI (US)
27AQI (US)
26AQI (US)
24AQI (US)
26AQI (US)
26AQI (US)
23AQI (US)
23AQI (US)
35AQI (US)
38AQI (US)
30AQI (US)
27AQI (US)
30AQI (US)
30AQI (US)
27AQI (US)
26AQI (US)
36AQI (US)
22AQI (US)
46AQI (US)
53AQI (US)
56AQI (US)
57AQI (US)
55AQI (US)
50AQI (US)
44AQI (US)
44AQI (US)
51AQI (US)
48AQI (US)
45AQI (US)
33AQI (US)
29AQI (US)
27AQI (US)
26AQI (US)
28AQI (US)
29AQI (US)
31AQI (US)
32AQI (US)
35AQI (US)
44AQI (US)
38AQI (US)
30AQI (US)
36AQI (US)
32AQI (US)
No. of days
202636AQI (US)
Highest AQI (US) recorded in
February44AQI (US)
Lowest AQI (US) recorded in
April30AQI (US)
202533AQI (US)
Highest AQI (US) recorded in
August48AQI (US)
Lowest AQI (US) recorded in
May22AQI (US)
202432AQI (US)
Highest AQI (US) recorded in
February37AQI (US)
Lowest AQI (US) recorded in
November24AQI (US)
202342AQI (US)
Highest AQI (US) recorded in
June76AQI (US)
Lowest AQI (US) recorded in
October31AQI (US)
202233AQI (US)
Highest AQI (US) recorded in
January35AQI (US)
Lowest AQI (US) recorded in
August18AQI (US)
202134AQI (US)
Highest AQI (US) recorded in
July39AQI (US)
Lowest AQI (US) recorded in
October25AQI (US)
202031AQI (US)
Highest AQI (US) recorded in
June34AQI (US)
Lowest AQI (US) recorded in
October24AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Oakville's annual 2026 AQI (US) (36) shows an average percentage change of 6.4% (worsened AQI (US)) compared to previous years: 2020 (31), 2021 (34), 2022 (33), 2023 (42), 2024 (32), 2025 (33).