Loyalist, Ontario, Canada Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
June Air Quality Analysis
Loyalist, Ontario, Canada
AQI Trends: Highest and Lowest
Same Day Analysis (3rd June):
On this day, AQI across the 5 years varied significantly: 2026 ranks 3rd highest AQI at 32 of Good air quality, showing improvement over 2024 and 2023 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 2nd Jun - 3rd Jun 2026
Loyalist, Ontario, Canada
5 AM2nd Jun 2026
8 PM
4 AM3rd Jun 2026
37AQI
27AQI
54AQI
31AQI
In the last 24 hours,
Loyalist's AQI reached its highest point of 54 at 3 AM during the Night, while the lowest point, 27, was recorded at 9 AM during the Day between 2nd Jun and 3rd Jun 2026.
Day & Night AQI Trend : May - Jun 2026
Loyalist, Ontario, Canada
14°C9/21°C
7°C6/9°C
7°C2/12°C
7°C2/12°C
11°C5/18°C
10°C6/13°C
7°C3/13°C
8°C2/14°C
10°C7/15°C
8°C7/12°C
11°C8/14°C
13°C8/21°C
14°C10/22°C
18°C12/26°C
18°C14/25°C
15°C10/18°C
10°C6/15°C
12°C4/21°C
13°C9/20°C
11°C10/13°C
14°C11/18°C
16°C10/24°C
18°C12/24°C
15°C12/19°C
15°C9/20°C
14°C9/20°C
15°C9/21°C
14°C8/20°C
15°C8/24°C
17°C10/25°C
48AQI
30AQI
44AQI
33AQI
2026 Days Vs Air Quality
Loyalist, Ontario, Canada
92%
139
8%
12
Total number of days with different AQI categories in last 154 days in 2026 (211 days remaining)
Under WHO’s Safe Air Quality Limits: 92%
Health Risk Level:
Very Low
In 2026, 92% of 154 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
Loyalist, Ontario, Canada
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
12AQI (US)
19AQI (US)
13AQI (US)
24AQI (US)
32AQI (US)
63AQI (US)
62AQI (US)
56AQI (US)
33AQI (US)
12AQI (US)
15AQI (US)
20AQI (US)
38AQI (US)
39AQI (US)
15AQI (US)
10AQI (US)
26AQI (US)
20AQI (US)
28AQI (US)
12AQI (US)
20AQI (US)
50AQI (US)
54AQI (US)
47AQI (US)
47AQI (US)
49AQI (US)
42AQI (US)
46AQI (US)
52AQI (US)
54AQI (US)
47AQI (US)
45AQI (US)
50AQI (US)
48AQI (US)
48AQI (US)
47AQI (US)
43AQI (US)
40AQI (US)
47AQI (US)
47AQI (US)
45AQI (US)
41AQI (US)
40AQI (US)
48AQI (US)
50AQI (US)
38AQI (US)
44AQI (US)
44AQI (US)
43AQI (US)
40AQI (US)
38AQI (US)
36AQI (US)
36AQI (US)
40AQI (US)
46AQI (US)
45AQI (US)
37AQI (US)
38AQI (US)
39AQI (US)
39AQI (US)
62AQI (US)
47AQI (US)
45AQI (US)
41AQI (US)
35AQI (US)
40AQI (US)
40AQI (US)
39AQI (US)
35AQI (US)
45AQI (US)
42AQI (US)
40AQI (US)
36AQI (US)
35AQI (US)
39AQI (US)
34AQI (US)
31AQI (US)
36AQI (US)
39AQI (US)
37AQI (US)
38AQI (US)
42AQI (US)
38AQI (US)
34AQI (US)
27AQI (US)
28AQI (US)
31AQI (US)
27AQI (US)
27AQI (US)
28AQI (US)
32AQI (US)
31AQI (US)
30AQI (US)
32AQI (US)
30AQI (US)
32AQI (US)
27AQI (US)
33AQI (US)
30AQI (US)
31AQI (US)
30AQI (US)
28AQI (US)
35AQI (US)
39AQI (US)
33AQI (US)
32AQI (US)
28AQI (US)
33AQI (US)
28AQI (US)
27AQI (US)
24AQI (US)
25AQI (US)
28AQI (US)
33AQI (US)
27AQI (US)
26AQI (US)
22AQI (US)
26AQI (US)
26AQI (US)
24AQI (US)
23AQI (US)
32AQI (US)
36AQI (US)
30AQI (US)
26AQI (US)
28AQI (US)
32AQI (US)
27AQI (US)
25AQI (US)
32AQI (US)
23AQI (US)
46AQI (US)
53AQI (US)
57AQI (US)
57AQI (US)
55AQI (US)
50AQI (US)
45AQI (US)
44AQI (US)
51AQI (US)
47AQI (US)
45AQI (US)
33AQI (US)
30AQI (US)
28AQI (US)
27AQI (US)
27AQI (US)
29AQI (US)
32AQI (US)
32AQI (US)
32AQI (US)
34AQI (US)
43AQI (US)
37AQI (US)
30AQI (US)
36AQI (US)
32AQI (US)
No. of days
202636AQI (US)
Highest AQI (US) recorded in
February43AQI (US)
Lowest AQI (US) recorded in
April30AQI (US)
202529AQI (US)
Highest AQI (US) recorded in
July39AQI (US)
Lowest AQI (US) recorded in
May19AQI (US)
202428AQI (US)
Highest AQI (US) recorded in
July33AQI (US)
Lowest AQI (US) recorded in
November18AQI (US)
202336AQI (US)
Highest AQI (US) recorded in
June71AQI (US)
Lowest AQI (US) recorded in
November26AQI (US)
202229AQI (US)
Highest AQI (US) recorded in
January32AQI (US)
Lowest AQI (US) recorded in
September24AQI (US)
202133AQI (US)
Highest AQI (US) recorded in
July39AQI (US)
Lowest AQI (US) recorded in
November25AQI (US)
202030AQI (US)
Highest AQI (US) recorded in
April32AQI (US)
Lowest AQI (US) recorded in
October25AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Loyalist's annual 2026 AQI (US) (36) shows an average percentage change of 17.6% (worsened AQI (US)) compared to previous years: 2020 (30), 2021 (33), 2022 (29), 2023 (36), 2024 (28), 2025 (29).