Toronto West, Toronto, Ontario, Canada Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
August Air Quality Analysis
Toronto West, Toronto, Ontario, Canada
AQI Trends: Highest and Lowest
Same Day Analysis (10th August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 3rd highest AQI at 33 of Good air quality, showing improvement over 2025 and 2023 on the same day.
Day & Night AQI Trend: 10th Aug - 11th Aug 2026
Toronto West, Toronto, Ontario, Canada
6 AM10th Aug 2026
8 PM
5 AM11th Aug 2026
44AQI
21AQI
48AQI
40AQI
In the last 24 hours,
Toronto West's AQI reached its highest point of 48 at 3 AM during the Night, while the lowest point, 21, was recorded at 6 AM during the Day between 10th Aug and 11th Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Toronto West, Toronto, Ontario, Canada
26°C15/36°C
31°C21/41°C
28°C22/33°C
25°C19/32°C
24°C18/31°C
24°C18/32°C
20°C14/25°C
21°C13/29°C
21°C19/27°C
18°C14/25°C
19°C12/27°C
20°C12/28°C
21°C14/30°C
23°C17/28°C
24°C18/32°C
23°C20/27°C
23°C17/29°C
23°C16/31°C
24°C15/33°C
26°C21/32°C
21°C19/24°C
21°C16/26°C
21°C13/31°C
24°C15/33°C
24°C18/32°C
24°C20/30°C
23°C19/30°C
23°C16/31°C
24°C20/30°C
25°C18/33°C
50AQI
39AQI
49AQI
39AQI
2026 Days Vs Air Quality
Toronto West, Toronto, Ontario, Canada
88%
193
11%
24
0.9%
2
Total number of days with different AQI categories in last 223 days in 2026 (142 days remaining)
Under WHO’s Safe Air Quality Limits: 88%
Health Risk Level:
Low
In 2026, 88% of 223 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
Toronto West, Toronto, Ontario, Canada
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
10AQI (US)
11AQI (US)
12AQI (US)
41AQI (US)
47AQI (US)
75AQI (US)
66AQI (US)
71AQI (US)
32AQI (US)
13AQI (US)
16AQI (US)
28AQI (US)
37AQI (US)
34AQI (US)
12AQI (US)
22AQI (US)
39AQI (US)
27AQI (US)
32AQI (US)
20AQI (US)
26AQI (US)
58AQI (US)
58AQI (US)
48AQI (US)
47AQI (US)
48AQI (US)
39AQI (US)
45AQI (US)
49AQI (US)
55AQI (US)
45AQI (US)
44AQI (US)
51AQI (US)
48AQI (US)
44AQI (US)
51AQI (US)
50AQI (US)
40AQI (US)
44AQI (US)
47AQI (US)
45AQI (US)
40AQI (US)
39AQI (US)
48AQI (US)
50AQI (US)
44AQI (US)
46AQI (US)
56AQI (US)
43AQI (US)
41AQI (US)
41AQI (US)
38AQI (US)
36AQI (US)
39AQI (US)
45AQI (US)
44AQI (US)
35AQI (US)
37AQI (US)
36AQI (US)
39AQI (US)
60AQI (US)
48AQI (US)
49AQI (US)
42AQI (US)
35AQI (US)
42AQI (US)
38AQI (US)
37AQI (US)
36AQI (US)
42AQI (US)
38AQI (US)
41AQI (US)
35AQI (US)
32AQI (US)
38AQI (US)
34AQI (US)
32AQI (US)
38AQI (US)
40AQI (US)
41AQI (US)
37AQI (US)
40AQI (US)
37AQI (US)
37AQI (US)
37AQI (US)
28AQI (US)
31AQI (US)
30AQI (US)
35AQI (US)
54AQI (US)
34AQI (US)
30AQI (US)
42AQI (US)
30AQI (US)
32AQI (US)
29AQI (US)
28AQI (US)
31AQI (US)
39AQI (US)
31AQI (US)
33AQI (US)
33AQI (US)
44AQI (US)
46AQI (US)
51AQI (US)
48AQI (US)
31AQI (US)
39AQI (US)
28AQI (US)
28AQI (US)
40AQI (US)
27AQI (US)
30AQI (US)
35AQI (US)
30AQI (US)
34AQI (US)
25AQI (US)
27AQI (US)
27AQI (US)
23AQI (US)
29AQI (US)
33AQI (US)
36AQI (US)
31AQI (US)
28AQI (US)
31AQI (US)
32AQI (US)
28AQI (US)
28AQI (US)
41AQI (US)
27AQI (US)
43AQI (US)
48AQI (US)
77AQI (US)
61AQI (US)
46AQI (US)
51AQI (US)
44AQI (US)
44AQI (US)
51AQI (US)
43AQI (US)
47AQI (US)
38AQI (US)
30AQI (US)
28AQI (US)
26AQI (US)
28AQI (US)
30AQI (US)
31AQI (US)
34AQI (US)
30AQI (US)
30AQI (US)
42AQI (US)
49AQI (US)
30AQI (US)
27AQI (US)
48AQI (US)
47AQI (US)
37AQI (US)
32AQI (US)
30AQI (US)
25AQI (US)
28AQI (US)
27AQI (US)
28AQI (US)
28AQI (US)
28AQI (US)
25AQI (US)
23AQI (US)
29AQI (US)
26AQI (US)
25AQI (US)
33AQI (US)
46AQI (US)
48AQI (US)
37AQI (US)
39AQI (US)
50AQI (US)
51AQI (US)
41AQI (US)
39AQI (US)
46AQI (US)
50AQI (US)
37AQI (US)
36AQI (US)
29AQI (US)
49AQI (US)
40AQI (US)
62AQI (US)
72AQI (US)
69AQI (US)
64AQI (US)
60AQI (US)
79AQI (US)
103AQI (US)
125AQI (US)
49AQI (US)
33AQI (US)
63AQI (US)
24AQI (US)
27AQI (US)
27AQI (US)
25AQI (US)
38AQI (US)
48AQI (US)
50AQI (US)
25AQI (US)
27AQI (US)
31AQI (US)
44AQI (US)
34AQI (US)
30AQI (US)
25AQI (US)
28AQI (US)
36AQI (US)
44AQI (US)
41AQI (US)
30AQI (US)
33AQI (US)
38AQI (US)
44AQI (US)
39AQI (US)
34AQI (US)
38AQI (US)
34AQI (US)
49AQI (US)
35AQI (US)
No. of days
202639AQI (US)
Highest AQI (US) recorded in
July49AQI (US)
Lowest AQI (US) recorded in
June34AQI (US)
202536AQI (US)
Highest AQI (US) recorded in
August49AQI (US)
Lowest AQI (US) recorded in
May23AQI (US)
202433AQI (US)
Highest AQI (US) recorded in
January39AQI (US)
Lowest AQI (US) recorded in
November24AQI (US)
202342AQI (US)
Highest AQI (US) recorded in
June72AQI (US)
Lowest AQI (US) recorded in
October32AQI (US)
202232AQI (US)
Highest AQI (US) recorded in
January35AQI (US)
Lowest AQI (US) recorded in
September27AQI (US)
202134AQI (US)
Highest AQI (US) recorded in
July41AQI (US)
Lowest AQI (US) recorded in
October26AQI (US)
202032AQI (US)
Highest AQI (US) recorded in
May38AQI (US)
Lowest AQI (US) recorded in
October25AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Toronto West's annual 2026 AQI (US) (39) shows an average percentage change of 12.9% (worsened AQI (US)) compared to previous years: 2020 (32), 2021 (34), 2022 (32), 2023 (42), 2024 (33), 2025 (36).