Grand River Avenue, Brantford, Ontario, 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
Grand River Avenue, Brantford, Ontario, Canada
AQI Trends: Highest and Lowest
Same Day Analysis (10th October ):
On this day, AQI across the 1 years varied significantly: 2025 ranks 1st highest AQI at 20 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 10th Oct - 11th Oct 2025
Grand River Avenue, Brantford, Ontario, Canada
7 AM10th Oct 2025
7 PM
6 AM11th Oct 2025
43AQI
12AQI
43AQI
14AQI
In the last 24 hours,
Grand River Avenue's AQI reached its highest point of 43 at 1 PM during the Day, while the lowest point, 12, was recorded at 7 AM during the Day between 10th Oct and 11th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Grand River Avenue, Brantford, Ontario, Canada
19°C10/26°C
19°C9/26°C
19°C10/26°C
19°C11/28°C
18°C12/28°C
18°C9/28°C
19°C9/29°C
19°C10/31°C
18°C13/24°C
15°C10/22°C
20°C11/31°C
21°C16/26°C
21°C18/28°C
19°C16/23°C
19°C16/21°C
18°C14/25°C
20°C12/29°C
20°C13/29°C
18°C8/29°C
17°C10/25°C
14°C8/22°C
14°C5/24°C
16°C6/29°C
19°C9/32°C
20°C11/31°C
20°C11/31°C
19°C14/22°C
12°C7/18°C
8°C1/15°C
10°C1/20°C
--°C/°C
39AQI
35AQI
40AQI
35AQI
2025 Days Vs Air Quality
Grand River Avenue, Brantford, Ontario, Canada
82%
162
17%
34
1%
2
Total number of days with different AQI categories in last 284 days in 2025 (81 days remaining)
Under WHO’s Safe Air Quality Limits: 82%
Health Risk Level:
Low
In 2025, 82% of 284 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
Grand River Avenue, Brantford, Ontario, Canada
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
27AQI
33AQI
44AQI
34AQI
24AQI
23AQI
19AQI
30AQI
20AQI
23AQI
29AQI
21AQI
15AQI
19AQI
27AQI
35AQI
26AQI
36AQI
29AQI
19AQI
15AQI
19AQI
36AQI
44AQI
22AQI
23AQI
15AQI
34AQI
44AQI
48AQI
31AQI
19AQI
23AQI
36AQI
25AQI
35AQI
38AQI
25AQI
20AQI
20AQI
23AQI
36AQI
24AQI
28AQI
30AQI
24AQI
32AQI
42AQI
30AQI
35AQI
32AQI
27AQI
18AQI
19AQI
16AQI
21AQI
15AQI
11AQI
12AQI
15AQI
23AQI
30AQI
26AQI
27AQI
34AQI
35AQI
17AQI
22AQI
36AQI
69AQI
51AQI
63AQI
66AQI
84AQI
67AQI
53AQI
61AQI
68AQI
49AQI
37AQI
40AQI
40AQI
43AQI
38AQI
27AQI
36AQI
44AQI
46AQI
53AQI
55AQI
48AQI
48AQI
44AQI
32AQI
36AQI
41AQI
32AQI
38AQI
45AQI
40AQI
48AQI
51AQI
47AQI
37AQI
44AQI
43AQI
52AQI
47AQI
42AQI
47AQI
60AQI
71AQI
45AQI
26AQI
31AQI
26AQI
44AQI
27AQI
27AQI
39AQI
33AQI
49AQI
37AQI
48AQI
48AQI
50AQI
89AQI
62AQI
40AQI
100AQI
133AQI
109AQI
90AQI
87AQI
85AQI
66AQI
67AQI
64AQI
55AQI
44AQI
66AQI
77AQI
64AQI
46AQI
16AQI
23AQI
23AQI
18AQI
22AQI
32AQI
31AQI
17AQI
17AQI
21AQI
26AQI
23AQI
22AQI
30AQI
31AQI
29AQI
32AQI
26AQI
38AQI
20AQI
19AQI
21AQI
22AQI
36AQI
39AQI
42AQI
53AQI
56AQI
51AQI
45AQI
43AQI
49AQI
35AQI
24AQI
23AQI
32AQI
34AQI
40AQI
26AQI
28AQI
26AQI
27AQI
28AQI
30AQI
24AQI
20AQI
42AQI
59AQI
61AQI
57AQI
28AQI
42AQI
30AQI
20AQI
32AQI
27AQI
26AQI
47AQI
44AQI
51AQI
34AQI
38AQI
No. of days
202538AQI
Highest AQI recorded in
August51AQI
Lowest AQI recorded in
May26AQI
Most & Least Polluted Years Over the Last 1 Years
Grand River Avenue's annual 2025 AQI (38) shows an average percentage change of NaN% (improved AQI) compared to previous years: .