Halifax, Nova Scotia, 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
Halifax, Nova Scotia, Canada
AQI Trends: Highest and Lowest
Same Day Analysis (2nd June):
On this day, AQI across the 5 years varied significantly: 2026 ranks 3rd highest AQI at 26 of Good air quality, showing improvement over 2025 and 2023 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 1st Jun - 2nd Jun 2026
Halifax, Nova Scotia, Canada
5 AM1st Jun 2026
8 PM
4 AM2nd Jun 2026
33AQI
14AQI
33AQI
22AQI
In the last 24 hours,
Halifax's AQI reached its highest point of 33 at 11 AM during the Day, while the lowest point, 14, was recorded at 8 PM during the Day between 1st Jun and 2nd Jun 2026.
Day & Night AQI Trend : May - Jun 2026
Halifax, Nova Scotia, Canada
9°C2/17°C
11°C5/17°C
13°C10/17°C
12°C10/14°C
10°C6/15°C
10°C4/17°C
11°C8/14°C
12°C9/16°C
8°C6/10°C
9°C3/15°C
11°C6/16°C
11°C9/13°C
16°C8/26°C
16°C9/27°C
16°C9/24°C
13°C9/21°C
17°C11/23°C
15°C7/19°C
11°C5/18°C
11°C5/19°C
13°C5/22°C
10°C6/12°C
16°C11/24°C
9°C7/9°C
7°C6/9°C
7°C5/10°C
7°C6/10°C
6°C3/8°C
9°C3/16°C
10°C5/19°C
46AQI
28AQI
43AQI
31AQI
2026 Days Vs Air Quality
Halifax, Nova Scotia, Canada
92%
138
8%
12
Total number of days with different AQI categories in last 153 days in 2026 (212 days remaining)
Under WHO’s Safe Air Quality Limits: 92%
Health Risk Level:
Very Low
In 2026, 92% of 153 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
Halifax, Nova Scotia, Canada
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
21AQI (US)
12AQI (US)
11AQI (US)
14AQI (US)
20AQI (US)
37AQI (US)
15AQI (US)
13AQI (US)
17AQI (US)
17AQI (US)
13AQI (US)
11AQI (US)
16AQI (US)
27AQI (US)
16AQI (US)
16AQI (US)
16AQI (US)
27AQI (US)
17AQI (US)
17AQI (US)
11AQI (US)
48AQI (US)
56AQI (US)
47AQI (US)
47AQI (US)
48AQI (US)
45AQI (US)
48AQI (US)
52AQI (US)
52AQI (US)
47AQI (US)
47AQI (US)
51AQI (US)
48AQI (US)
50AQI (US)
49AQI (US)
42AQI (US)
39AQI (US)
47AQI (US)
48AQI (US)
46AQI (US)
45AQI (US)
43AQI (US)
51AQI (US)
51AQI (US)
42AQI (US)
45AQI (US)
45AQI (US)
44AQI (US)
40AQI (US)
42AQI (US)
37AQI (US)
34AQI (US)
41AQI (US)
45AQI (US)
45AQI (US)
38AQI (US)
37AQI (US)
39AQI (US)
41AQI (US)
57AQI (US)
48AQI (US)
46AQI (US)
43AQI (US)
39AQI (US)
41AQI (US)
41AQI (US)
41AQI (US)
34AQI (US)
43AQI (US)
44AQI (US)
41AQI (US)
38AQI (US)
36AQI (US)
39AQI (US)
36AQI (US)
33AQI (US)
34AQI (US)
38AQI (US)
37AQI (US)
37AQI (US)
42AQI (US)
37AQI (US)
34AQI (US)
28AQI (US)
29AQI (US)
33AQI (US)
30AQI (US)
28AQI (US)
25AQI (US)
33AQI (US)
33AQI (US)
28AQI (US)
32AQI (US)
31AQI (US)
30AQI (US)
27AQI (US)
33AQI (US)
29AQI (US)
30AQI (US)
34AQI (US)
28AQI (US)
33AQI (US)
33AQI (US)
33AQI (US)
31AQI (US)
32AQI (US)
32AQI (US)
29AQI (US)
28AQI (US)
24AQI (US)
26AQI (US)
31AQI (US)
33AQI (US)
29AQI (US)
24AQI (US)
24AQI (US)
26AQI (US)
27AQI (US)
24AQI (US)
22AQI (US)
30AQI (US)
33AQI (US)
31AQI (US)
28AQI (US)
27AQI (US)
34AQI (US)
31AQI (US)
28AQI (US)
29AQI (US)
23AQI (US)
46AQI (US)
54AQI (US)
55AQI (US)
58AQI (US)
54AQI (US)
50AQI (US)
46AQI (US)
42AQI (US)
51AQI (US)
47AQI (US)
45AQI (US)
30AQI (US)
27AQI (US)
18AQI (US)
19AQI (US)
25AQI (US)
28AQI (US)
29AQI (US)
26AQI (US)
28AQI (US)
44AQI (US)
38AQI (US)
30AQI (US)
35AQI (US)
28AQI (US)
No. of days
202635AQI (US)
Highest AQI (US) recorded in
February44AQI (US)
Lowest AQI (US) recorded in
June28AQI (US)
202523AQI (US)
Highest AQI (US) recorded in
June29AQI (US)
Lowest AQI (US) recorded in
May19AQI (US)
202418AQI (US)
Highest AQI (US) recorded in
August25AQI (US)
Lowest AQI (US) recorded in
November13AQI (US)
202322AQI (US)
Highest AQI (US) recorded in
June27AQI (US)
Lowest AQI (US) recorded in
January18AQI (US)
202221AQI (US)
Highest AQI (US) recorded in
July27AQI (US)
Lowest AQI (US) recorded in
May18AQI (US)
202122AQI (US)
Highest AQI (US) recorded in
August29AQI (US)
Lowest AQI (US) recorded in
January17AQI (US)
202022AQI (US)
Highest AQI (US) recorded in
July27AQI (US)
Lowest AQI (US) recorded in
September18AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Halifax's annual 2026 AQI (US) (35) shows an average percentage change of 65.09% (worsened AQI (US)) compared to previous years: 2020 (22), 2021 (22), 2022 (21), 2023 (22), 2024 (18), 2025 (23).