Milton, Ontario, 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
Milton, Ontario, Canada
AQI Trends: Highest and Lowest
Same Day Analysis (30th September):
On this day, AQI across the 2 years varied significantly: 2026 ranks 1st highest AQI at 35 of Good air quality on the same day.
Day & Night AQI Trend: 29th Sep - 30th Sep 2026
Milton, Ontario, Canada
7 AM29th Sep 2026
7 PM
6 AM30th Sep 2026
52AQI
21AQI
56AQI
25AQI
In the last 24 hours,
Milton's AQI reached its highest point of 56 at 10 PM during the Night, while the lowest point, 21, was recorded at 2 PM during the Day between 29th Sep and 30th Sep 2026.
Day & Night AQI Trend : Sep 2026
Milton, Ontario, Canada
17°C16/17°C
18°C17/24°C
20°C18/24°C
18°C17/20°C
19°C17/23°C
19°C17/22°C
19°C16/22°C
19°C16/21°C
21°C20/22°C
19°C16/23°C
17°C14/20°C
17°C15/18°C
21°C15/27°C
16°C11/22°C
19°C14/25°C
21°C17/25°C
19°C16/24°C
17°C14/22°C
15°C14/18°C
16°C13/21°C
13°C10/15°C
13°C8/16°C
15°C10/18°C
15°C12/18°C
15°C10/22°C
17°C11/23°C
18°C12/25°C
17°C14/21°C
19°C15/24°C
19°C15/24°C
35AQI
28AQI
34AQI
28AQI
2026 Days Vs Air Quality
Milton, Ontario, Canada
92%
248
8%
22
Total number of days with different AQI categories in last 273 days in 2026 (92 days remaining)
Under WHO’s Safe Air Quality Limits: 92%
Health Risk Level:
Very Low
In 2026, 92% of 273 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
Milton, Ontario, Canada
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
12AQI (US)
12AQI (US)
18AQI (US)
25AQI (US)
40AQI (US)
67AQI (US)
45AQI (US)
53AQI (US)
31AQI (US)
14AQI (US)
17AQI (US)
25AQI (US)
36AQI (US)
33AQI (US)
11AQI (US)
21AQI (US)
35AQI (US)
24AQI (US)
29AQI (US)
17AQI (US)
27AQI (US)
60AQI (US)
60AQI (US)
48AQI (US)
51AQI (US)
49AQI (US)
38AQI (US)
43AQI (US)
50AQI (US)
58AQI (US)
44AQI (US)
46AQI (US)
52AQI (US)
49AQI (US)
44AQI (US)
52AQI (US)
50AQI (US)
40AQI (US)
43AQI (US)
47AQI (US)
45AQI (US)
39AQI (US)
39AQI (US)
48AQI (US)
50AQI (US)
45AQI (US)
47AQI (US)
58AQI (US)
44AQI (US)
42AQI (US)
41AQI (US)
38AQI (US)
37AQI (US)
38AQI (US)
46AQI (US)
45AQI (US)
34AQI (US)
36AQI (US)
36AQI (US)
38AQI (US)
61AQI (US)
46AQI (US)
47AQI (US)
42AQI (US)
35AQI (US)
39AQI (US)
37AQI (US)
37AQI (US)
35AQI (US)
43AQI (US)
39AQI (US)
41AQI (US)
35AQI (US)
32AQI (US)
38AQI (US)
35AQI (US)
32AQI (US)
39AQI (US)
43AQI (US)
40AQI (US)
37AQI (US)
40AQI (US)
37AQI (US)
37AQI (US)
37AQI (US)
29AQI (US)
31AQI (US)
31AQI (US)
27AQI (US)
28AQI (US)
30AQI (US)
30AQI (US)
29AQI (US)
32AQI (US)
30AQI (US)
31AQI (US)
27AQI (US)
34AQI (US)
30AQI (US)
31AQI (US)
30AQI (US)
28AQI (US)
33AQI (US)
38AQI (US)
36AQI (US)
31AQI (US)
30AQI (US)
33AQI (US)
29AQI (US)
29AQI (US)
24AQI (US)
25AQI (US)
28AQI (US)
33AQI (US)
27AQI (US)
26AQI (US)
24AQI (US)
26AQI (US)
26AQI (US)
23AQI (US)
23AQI (US)
35AQI (US)
38AQI (US)
30AQI (US)
26AQI (US)
30AQI (US)
31AQI (US)
27AQI (US)
26AQI (US)
36AQI (US)
21AQI (US)
46AQI (US)
52AQI (US)
56AQI (US)
57AQI (US)
54AQI (US)
50AQI (US)
44AQI (US)
43AQI (US)
51AQI (US)
48AQI (US)
45AQI (US)
33AQI (US)
29AQI (US)
28AQI (US)
27AQI (US)
28AQI (US)
32AQI (US)
31AQI (US)
32AQI (US)
32AQI (US)
28AQI (US)
28AQI (US)
26AQI (US)
24AQI (US)
27AQI (US)
32AQI (US)
33AQI (US)
31AQI (US)
27AQI (US)
27AQI (US)
26AQI (US)
26AQI (US)
27AQI (US)
28AQI (US)
29AQI (US)
26AQI (US)
24AQI (US)
24AQI (US)
27AQI (US)
25AQI (US)
24AQI (US)
26AQI (US)
28AQI (US)
36AQI (US)
28AQI (US)
30AQI (US)
32AQI (US)
30AQI (US)
32AQI (US)
30AQI (US)
30AQI (US)
34AQI (US)
36AQI (US)
34AQI (US)
28AQI (US)
39AQI (US)
37AQI (US)
42AQI (US)
47AQI (US)
52AQI (US)
39AQI (US)
72AQI (US)
96AQI (US)
69AQI (US)
63AQI (US)
46AQI (US)
45AQI (US)
55AQI (US)
32AQI (US)
34AQI (US)
30AQI (US)
27AQI (US)
41AQI (US)
51AQI (US)
50AQI (US)
25AQI (US)
31AQI (US)
32AQI (US)
49AQI (US)
38AQI (US)
30AQI (US)
28AQI (US)
33AQI (US)
35AQI (US)
43AQI (US)
39AQI (US)
30AQI (US)
37AQI (US)
33AQI (US)
41AQI (US)
42AQI (US)
36AQI (US)
29AQI (US)
25AQI (US)
29AQI (US)
34AQI (US)
29AQI (US)
41AQI (US)
36AQI (US)
25AQI (US)
29AQI (US)
34AQI (US)
25AQI (US)
36AQI (US)
30AQI (US)
27AQI (US)
31AQI (US)
28AQI (US)
41AQI (US)
50AQI (US)
44AQI (US)
26AQI (US)
26AQI (US)
34AQI (US)
35AQI (US)
30AQI (US)
30AQI (US)
25AQI (US)
33AQI (US)
33AQI (US)
36AQI (US)
35AQI (US)
33AQI (US)
32AQI (US)
29AQI (US)
35AQI (US)
31AQI (US)
29AQI (US)
30AQI (US)
28AQI (US)
26AQI (US)
30AQI (US)
28AQI (US)
29AQI (US)
35AQI (US)
43AQI (US)
26AQI (US)
32AQI (US)
35AQI (US)
35AQI (US)
44AQI (US)
38AQI (US)
30AQI (US)
37AQI (US)
28AQI (US)
42AQI (US)
34AQI (US)
32AQI (US)
No. of days
202636AQI (US)
Highest AQI (US) recorded in
February44AQI (US)
Lowest AQI (US) recorded in
June28AQI (US)
202535AQI (US)
Highest AQI (US) recorded in
August50AQI (US)
Lowest AQI (US) recorded in
May24AQI (US)
Most & Least Polluted Years Over the Last 2 Years
Milton's annual 2026 AQI (US) (36) shows an average percentage change of 2.8% (worsened AQI (US)) compared to previous years: 2025 (35).