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: 3rd Jun - 4th Jun 2026
Halifax Johnston, Halifax, Nova Scotia, Canada
5 AM3rd Jun 2026
8 PM
4 AM4th Jun 2026
32AQI
17AQI
28AQI
18AQI
In the last 24 hours,
Halifax Johnston's AQI reached its highest point of 32 at 1 PM during the Day, while the lowest point, 17, was recorded at 8 PM during the Day between 3rd Jun and 4th Jun 2026.
Day & Night AQI Trend : May - Jun 2026
Halifax Johnston, Halifax, Nova Scotia, Canada
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
15°C7/23°C
45AQI
28AQI
42AQI
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 155 days in 2026 (210 days remaining)
Under WHO’s Safe Air Quality Limits: 92%
Health Risk Level:
Very Low
In 2026, 92% of 155 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).