Kingston, 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
Kingston, Ontario, Canada
AQI Trends: Highest and Lowest
Same Day Analysis (1st August ):
On this day, AQI across the 1 years varied significantly: 2025 ranks 1st highest AQI at 33 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 2nd Aug - 3rd Aug 2025
Kingston, Ontario, Canada
5 AM2nd Aug 2025
8 PM
4 AM3rd Aug 2025
AQI
AQI
73AQI
15AQI
In the last 24 hours,
Kingston's AQI reached its highest point of 73 at 7 PM during the Night, while the lowest point, undefined, was recorded at 4 AM during the Night between 2nd Aug and 3rd Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Kingston, Ontario, Canada
19°C12/25°C
21°C16/28°C
24°C20/31°C
23°C17/28°C
20°C18/25°C
20°C16/24°C
21°C16/26°C
22°C17/27°C
23°C18/28°C
25°C22/27°C
24°C20/30°C
23°C18/29°C
25°C19/31°C
24°C18/28°C
20°C13/26°C
20°C14/25°C
22°C18/26°C
19°C14/25°C
18°C10/23°C
19°C11/24°C
25°C21/31°C
25°C23/30°C
23°C17/28°C
26°C22/32°C
24°C20/28°C
24°C21/29°C
23°C18/28°C
21°C18/24°C
18°C10/26°C
--°C/°C
--°C/°C
39AQI
23AQI
41AQI
38AQI
2025 Days Vs Air Quality
Kingston, Ontario, Canada
91%
116
9%
12
Total number of days with different AQI categories in last 214 days in 2025 (151 days remaining)
Under WHO’s Safe Air Quality Limits: 91%
Health Risk Level:
Very Low
In 2025, 91% of 214 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
Kingston, Ontario, Canada
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
20AQI
19AQI
19AQI
25AQI
27AQI
17AQI
18AQI
23AQI
17AQI
17AQI
17AQI
20AQI
17AQI
17AQI
27AQI
31AQI
45AQI
26AQI
23AQI
23AQI
15AQI
16AQI
23AQI
47AQI
16AQI
17AQI
21AQI
14AQI
23AQI
28AQI
26AQI
14AQI
20AQI
26AQI
16AQI
17AQI
28AQI
17AQI
16AQI
16AQI
14AQI
28AQI
16AQI
19AQI
21AQI
18AQI
20AQI
30AQI
25AQI
23AQI
27AQI
36AQI
17AQI
13AQI
12AQI
16AQI
13AQI
11AQI
15AQI
15AQI
19AQI
23AQI
30AQI
19AQI
36AQI
25AQI
13AQI
17AQI
25AQI
49AQI
48AQI
54AQI
59AQI
70AQI
52AQI
38AQI
50AQI
64AQI
33AQI
28AQI
33AQI
40AQI
26AQI
28AQI
27AQI
26AQI
48AQI
50AQI
54AQI
55AQI
45AQI
31AQI
28AQI
30AQI
26AQI
28AQI
36AQI
34AQI
49AQI
31AQI
35AQI
50AQI
49AQI
25AQI
27AQI
44AQI
45AQI
49AQI
40AQI
41AQI
49AQI
57AQI
38AQI
20AQI
22AQI
23AQI
33AQI
18AQI
19AQI
34AQI
37AQI
52AQI
46AQI
53AQI
48AQI
53AQI
61AQI
33AQI
22AQI
22AQI
20AQI
39AQI
39AQI
33AQI
No. of days
202530AQI
Highest AQI recorded in
July39AQI
Lowest AQI recorded in
May20AQI
Most & Least Polluted Years Over the Last 1 Years
Kingston's annual 2025 AQI (30) shows an average percentage change of NaN% (improved AQI) compared to previous years: .