Halifax Johnston, 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 Johnston, Halifax, Nova Scotia, Canada
AQI Trends: Highest and Lowest
Same Day Analysis (3rd June):
On this day, AQI across the 4 years varied significantly: 2026 ranks 1st highest AQI at 23 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 2nd Jun - 3rd Jun 2026
Halifax Johnston, Halifax, Nova Scotia, Canada
5 AM2nd Jun 2026
8 PM
4 AM3rd Jun 2026
33AQI
17AQI
32AQI
12AQI
In the last 24 hours,
Halifax Johnston's AQI reached its highest point of 33 at 12 PM during the Day, while the lowest point, 12, was recorded at 3 AM during the Night between 2nd Jun and 3rd Jun 2026.
Day & Night AQI Trend : May - Jun 2026
Halifax Johnston, Halifax, Nova Scotia, Canada
11°C5/18°C
13°C10/17°C
12°C10/14°C
10°C6/15°C
10°C4/17°C
11°C8/16°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°C9/26°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°C6/23°C
10°C6/12°C
17°C11/24°C
8°C7/9°C
7°C4/9°C
7°C5/10°C
7°C6/10°C
6°C3/8°C
9°C3/16°C
10°C5/19°C
9°C5/14°C
46AQI
28AQI
43AQI
31AQI
2026 Days Vs Air Quality
Halifax Johnston, Halifax, Nova Scotia, 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
Halifax Johnston, Halifax, Nova Scotia, Canada
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
21AQI (US)
13AQI (US)
13AQI (US)
16AQI (US)
21AQI (US)
38AQI (US)
16AQI (US)
13AQI (US)
18AQI (US)
18AQI (US)
14AQI (US)
12AQI (US)
17AQI (US)
28AQI (US)
17AQI (US)
18AQI (US)
17AQI (US)
28AQI (US)
18AQI (US)
18AQI (US)
12AQI (US)
48AQI (US)
56AQI (US)
48AQI (US)
47AQI (US)
48AQI (US)
45AQI (US)
48AQI (US)
52AQI (US)
51AQI (US)
47AQI (US)
47AQI (US)
51AQI (US)
48AQI (US)
50AQI (US)
49AQI (US)
42AQI (US)
40AQI (US)
47AQI (US)
47AQI (US)
47AQI (US)
47AQI (US)
45AQI (US)
52AQI (US)
51AQI (US)
43AQI (US)
45AQI (US)
45AQI (US)
44AQI (US)
40AQI (US)
43AQI (US)
37AQI (US)
34AQI (US)
41AQI (US)
45AQI (US)
45AQI (US)
38AQI (US)
36AQI (US)
39AQI (US)
42AQI (US)
56AQI (US)
48AQI (US)
47AQI (US)
44AQI (US)
39AQI (US)
41AQI (US)
41AQI (US)
41AQI (US)
35AQI (US)
42AQI (US)
44AQI (US)
40AQI (US)
38AQI (US)
36AQI (US)
39AQI (US)
36AQI (US)
33AQI (US)
34AQI (US)
38AQI (US)
36AQI (US)
37AQI (US)
41AQI (US)
38AQI (US)
34AQI (US)
29AQI (US)
30AQI (US)
34AQI (US)
30AQI (US)
28AQI (US)
25AQI (US)
34AQI (US)
34AQI (US)
28AQI (US)
32AQI (US)
31AQI (US)
30AQI (US)
27AQI (US)
33AQI (US)
29AQI (US)
30AQI (US)
34AQI (US)
29AQI (US)
34AQI (US)
34AQI (US)
34AQI (US)
31AQI (US)
34AQI (US)
33AQI (US)
29AQI (US)
29AQI (US)
24AQI (US)
27AQI (US)
32AQI (US)
33AQI (US)
29AQI (US)
24AQI (US)
24AQI (US)
27AQI (US)
27AQI (US)
24AQI (US)
22AQI (US)
30AQI (US)
33AQI (US)
31AQI (US)
29AQI (US)
27AQI (US)
34AQI (US)
32AQI (US)
30AQI (US)
29AQI (US)
24AQI (US)
46AQI (US)
54AQI (US)
55AQI (US)
58AQI (US)
54AQI (US)
49AQI (US)
46AQI (US)
42AQI (US)
52AQI (US)
47AQI (US)
45AQI (US)
30AQI (US)
27AQI (US)
18AQI (US)
19AQI (US)
25AQI (US)
28AQI (US)
29AQI (US)
26AQI (US)
23AQI (US)
28AQI (US)
44AQI (US)
38AQI (US)
30AQI (US)
36AQI (US)
26AQI (US)
No. of days
202635AQI (US)
Highest AQI (US) recorded in
February44AQI (US)
Lowest AQI (US) recorded in
June26AQI (US)
202524AQI (US)
Highest AQI (US) recorded in
June30AQI (US)
Lowest AQI (US) recorded in
May20AQI (US)
202419AQI (US)
Highest AQI (US) recorded in
August27AQI (US)
Lowest AQI (US) recorded in
November13AQI (US)
202322AQI (US)
Highest AQI (US) recorded in
July34AQI (US)
Lowest AQI (US) recorded in
January18AQI (US)
202222AQI (US)
Highest AQI (US) recorded in
July27AQI (US)
Lowest AQI (US) recorded in
November19AQI (US)
202123AQI (US)
Highest AQI (US) recorded in
August30AQI (US)
Lowest AQI (US) recorded in
January17AQI (US)
202023AQI (US)
Highest AQI (US) recorded in
July28AQI (US)
Lowest AQI (US) recorded in
September19AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Halifax Johnston's annual 2026 AQI (US) (35) shows an average percentage change of 58.7% (worsened AQI (US)) compared to previous years: 2020 (23), 2021 (23), 2022 (22), 2023 (22), 2024 (19), 2025 (24).