Lower Town, Ottawa, Ontario, Canada Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
November Air Quality Analysis
Lower Town, Ottawa, Ontario, Canada
AQI Trends: Highest and Lowest
Same Day Analysis (26th November ):
On this day, AQI across the 1 years varied significantly: 2025 ranks 1st highest AQI at 49 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 26th Nov - 27th Nov 2025
Lower Town, Ottawa, Ontario, Canada
7 AM26th Nov 2025
4 PM
6 AM27th Nov 2025
55AQI
39AQI
56AQI
17AQI
In the last 24 hours,
Lower Town's AQI reached its highest point of 56 at 8 PM during the Night, while the lowest point, 17, was recorded at 6 AM during the Night between 26th Nov and 27th Nov 2025.
Day & Night AQI Trend : Oct - Nov 2025
Lower Town, Ottawa, Ontario, Canada
6°C0/15°C
6°C0/13°C
5°C4/6°C
5°C1/6°C
4°C2/5°C
4°C0/10°C
5°C1/12°C
6°C3/13°C
4°C2/8°C
2°C0/3°C
2°C-3/7°C
2°C0/2°C
-2°C-3/0°C
-2°C-4/-1°C
-3°C-6/0°C
0°C-3/2°C
1°C-1/4°C
2°C0/7°C
0°C-2/2°C
0°C-3/1°C
-2°C-4/0°C
-1°C-2/0°C
-4°C-7/-1°C
-3°C-3/-2°C
0°C-4/5°C
0°C-3/5°C
-1°C-4/1°C
2°C-1/3°C
3°C0/11°C
3°C2/5°C
--°C/°C
25AQI
21AQI
29AQI
23AQI
2025 Days Vs Air Quality
Lower Town, Ottawa, Ontario, Canada
91%
223
9%
22
Total number of days with different AQI categories in last 331 days in 2025 (34 days remaining)
Under WHO’s Safe Air Quality Limits: 91%
Health Risk Level:
Very Low
In 2025, 91% of 331 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
Lower Town, Ottawa, Ontario, Canada
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
18AQI
19AQI
18AQI
21AQI
26AQI
16AQI
19AQI
24AQI
17AQI
21AQI
19AQI
21AQI
18AQI
16AQI
25AQI
35AQI
29AQI
30AQI
28AQI
24AQI
15AQI
16AQI
30AQI
42AQI
15AQI
21AQI
16AQI
13AQI
18AQI
21AQI
16AQI
12AQI
17AQI
26AQI
15AQI
23AQI
23AQI
14AQI
17AQI
17AQI
18AQI
19AQI
15AQI
17AQI
18AQI
16AQI
19AQI
28AQI
31AQI
28AQI
35AQI
36AQI
15AQI
12AQI
12AQI
20AQI
15AQI
16AQI
12AQI
16AQI
22AQI
23AQI
27AQI
22AQI
23AQI
24AQI
12AQI
17AQI
28AQI
45AQI
46AQI
53AQI
59AQI
57AQI
58AQI
44AQI
51AQI
54AQI
26AQI
23AQI
29AQI
37AQI
31AQI
31AQI
34AQI
20AQI
26AQI
28AQI
42AQI
51AQI
42AQI
25AQI
26AQI
28AQI
21AQI
30AQI
36AQI
34AQI
45AQI
26AQI
28AQI
46AQI
46AQI
27AQI
27AQI
34AQI
40AQI
48AQI
44AQI
44AQI
46AQI
54AQI
50AQI
24AQI
33AQI
34AQI
28AQI
18AQI
23AQI
28AQI
33AQI
48AQI
58AQI
60AQI
50AQI
61AQI
52AQI
22AQI
34AQI
58AQI
70AQI
35AQI
28AQI
39AQI
53AQI
60AQI
64AQI
57AQI
53AQI
47AQI
40AQI
21AQI
35AQI
29AQI
15AQI
18AQI
21AQI
21AQI
25AQI
27AQI
27AQI
20AQI
15AQI
19AQI
23AQI
18AQI
17AQI
22AQI
26AQI
33AQI
30AQI
26AQI
29AQI
25AQI
19AQI
19AQI
20AQI
25AQI
28AQI
22AQI
32AQI
36AQI
26AQI
30AQI
32AQI
32AQI
17AQI
16AQI
23AQI
26AQI
33AQI
32AQI
21AQI
22AQI
22AQI
31AQI
40AQI
29AQI
24AQI
43AQI
45AQI
48AQI
57AQI
53AQI
38AQI
29AQI
31AQI
44AQI
47AQI
42AQI
45AQI
45AQI
36AQI
38AQI
40AQI
41AQI
43AQI
34AQI
23AQI
24AQI
19AQI
16AQI
15AQI
19AQI
19AQI
24AQI
27AQI
30AQI
14AQI
16AQI
16AQI
22AQI
14AQI
21AQI
22AQI
39AQI
32AQI
19AQI
14AQI
14AQI
37AQI
22AQI
20AQI
19AQI
19AQI
15AQI
14AQI
22AQI
39AQI
70AQI
24AQI
47AQI
32AQI
30AQI
49AQI
20AQI
21AQI
20AQI
36AQI
40AQI
33AQI
27AQI
34AQI
26AQI
No. of days
202530AQI
Highest AQI recorded in
July40AQI
Lowest AQI recorded in
March20AQI
Most & Least Polluted Years Over the Last 1 Years
Lower Town's annual 2025 AQI (30) shows an average percentage change of NaN% (improved AQI) compared to previous years: .