Lancaster Avenue, Saint John, New Brunswick, 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
Lancaster Avenue, Saint John, New Brunswick, Canada
AQI Trends: Highest and Lowest
Same Day Analysis (11th October ):
On this day, AQI across the 1 years varied significantly: 2025 ranks 1st highest AQI at 28 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 11th Oct - 12th Oct 2025
Lancaster Avenue, Saint John, New Brunswick, Canada
7 AM11th Oct 2025
7 PM
6 AM12th Oct 2025
39AQI
14AQI
54AQI
16AQI
In the last 24 hours,
Lancaster Avenue's AQI reached its highest point of 54 at 2 AM during the Night, while the lowest point, 14, was recorded at 3 PM during the Day between 11th Oct and 12th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Lancaster Avenue, Saint John, New Brunswick, Canada
--°C/°C
11°C5/17°C
15°C11/19°C
14°C7/21°C
15°C8/23°C
14°C9/19°C
14°C12/18°C
16°C12/21°C
12°C7/19°C
11°C2/18°C
12°C3/20°C
15°C11/18°C
16°C12/21°C
14°C6/21°C
19°C15/24°C
16°C10/25°C
14°C7/19°C
17°C9/28°C
15°C10/23°C
10°C5/16°C
10°C3/18°C
12°C4/20°C
16°C7/27°C
13°C8/19°C
14°C11/19°C
14°C13/16°C
14°C8/17°C
7°C4/12°C
8°C2/16°C
11°C6/20°C
11°C4/19°C
26AQI
23AQI
26AQI
23AQI
2025 Days Vs Air Quality
Lancaster Avenue, Saint John, New Brunswick, Canada
96%
192
4%
7
Total number of days with different AQI categories in last 286 days in 2025 (79 days remaining)
Under WHO’s Safe Air Quality Limits: 96%
Health Risk Level:
Very Low
In 2025, 96% of 286 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
Lancaster Avenue, Saint John, New Brunswick, Canada
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
22AQI
20AQI
16AQI
20AQI
17AQI
30AQI
34AQI
19AQI
27AQI
15AQI
17AQI
19AQI
18AQI
16AQI
16AQI
10AQI
11AQI
9AQI
9AQI
9AQI
8AQI
10AQI
12AQI
11AQI
15AQI
15AQI
16AQI
14AQI
15AQI
17AQI
19AQI
16AQI
15AQI
22AQI
26AQI
17AQI
20AQI
20AQI
24AQI
16AQI
17AQI
16AQI
17AQI
15AQI
15AQI
18AQI
17AQI
21AQI
21AQI
26AQI
26AQI
22AQI
17AQI
15AQI
12AQI
15AQI
18AQI
16AQI
14AQI
14AQI
14AQI
21AQI
26AQI
29AQI
21AQI
19AQI
26AQI
28AQI
27AQI
36AQI
37AQI
45AQI
43AQI
48AQI
51AQI
40AQI
31AQI
56AQI
43AQI
25AQI
27AQI
25AQI
24AQI
22AQI
18AQI
22AQI
19AQI
22AQI
33AQI
47AQI
50AQI
25AQI
23AQI
24AQI
17AQI
20AQI
29AQI
26AQI
33AQI
39AQI
26AQI
34AQI
45AQI
23AQI
22AQI
31AQI
26AQI
25AQI
21AQI
19AQI
20AQI
28AQI
20AQI
21AQI
27AQI
30AQI
28AQI
23AQI
32AQI
26AQI
38AQI
54AQI
55AQI
55AQI
41AQI
45AQI
57AQI
24AQI
24AQI
36AQI
50AQI
41AQI
23AQI
28AQI
44AQI
32AQI
26AQI
29AQI
38AQI
56AQI
31AQI
24AQI
21AQI
23AQI
14AQI
16AQI
18AQI
23AQI
26AQI
30AQI
39AQI
29AQI
19AQI
21AQI
22AQI
26AQI
25AQI
21AQI
27AQI
32AQI
29AQI
22AQI
20AQI
21AQI
22AQI
22AQI
22AQI
22AQI
28AQI
23AQI
19AQI
21AQI
26AQI
25AQI
27AQI
21AQI
17AQI
17AQI
17AQI
16AQI
19AQI
19AQI
17AQI
18AQI
22AQI
29AQI
23AQI
19AQI
12AQI
16AQI
28AQI
41AQI
41AQI
38AQI
36AQI
44AQI
36AQI
33AQI
28AQI
19AQI
16AQI
19AQI
32AQI
32AQI
28AQI
22AQI
32AQI
No. of days
202525AQI
Highest AQI recorded in
July32AQI
Lowest AQI recorded in
April16AQI
Most & Least Polluted Years Over the Last 1 Years
Lancaster Avenue's annual 2025 AQI (25) shows an average percentage change of NaN% (improved AQI) compared to previous years: .