Moncton, New Brunswick, 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
Moncton, New Brunswick, Canada
AQI Trends: Highest and Lowest
Same Day Analysis (4th June):
On this day, AQI across the 5 years varied significantly: 2026 ranks 2nd highest AQI at 24 of Good air quality, showing improvement over 2023 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 3rd Jun - 4th Jun 2026
Moncton, New Brunswick, Canada
5 AM3rd Jun 2026
8 PM
4 AM4th Jun 2026
29AQI
18AQI
28AQI
22AQI
In the last 24 hours,
Moncton's AQI reached its highest point of 29 at 5 AM during the Day, while the lowest point, 18, was recorded at 8 PM during the Day between 3rd Jun and 4th Jun 2026.
Day & Night AQI Trend : May - Jun 2026
Moncton, New Brunswick, Canada
15°C10/19°C
12°C8/14°C
8°C6/13°C
9°C2/16°C
12°C7/16°C
13°C8/16°C
8°C6/12°C
10°C2/18°C
13°C8/20°C
11°C8/14°C
16°C6/26°C
18°C11/26°C
15°C8/24°C
17°C11/28°C
20°C13/26°C
11°C6/15°C
9°C2/18°C
10°C2/17°C
15°C6/25°C
12°C10/15°C
13°C8/20°C
11°C8/14°C
7°C5/8°C
6°C4/9°C
6°C4/9°C
6°C1/11°C
10°C2/18°C
12°C6/17°C
13°C5/22°C
20°C11/31°C
42AQI
28AQI
41AQI
31AQI
2026 Days Vs Air Quality
Moncton, New Brunswick, Canada
94%
143
6%
9
Total number of days with different AQI categories in last 155 days in 2026 (210 days remaining)
Under WHO’s Safe Air Quality Limits: 94%
Health Risk Level:
Very Low
In 2026, 94% 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
Moncton, New Brunswick, Canada
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
22AQI (US)
9AQI (US)
11AQI (US)
18AQI (US)
26AQI (US)
42AQI (US)
31AQI (US)
20AQI (US)
22AQI (US)
12AQI (US)
13AQI (US)
10AQI (US)
12AQI (US)
26AQI (US)
23AQI (US)
19AQI (US)
10AQI (US)
24AQI (US)
22AQI (US)
17AQI (US)
14AQI (US)
49AQI (US)
54AQI (US)
48AQI (US)
48AQI (US)
47AQI (US)
44AQI (US)
46AQI (US)
51AQI (US)
48AQI (US)
44AQI (US)
46AQI (US)
48AQI (US)
50AQI (US)
53AQI (US)
50AQI (US)
41AQI (US)
38AQI (US)
46AQI (US)
46AQI (US)
47AQI (US)
47AQI (US)
46AQI (US)
53AQI (US)
49AQI (US)
40AQI (US)
43AQI (US)
44AQI (US)
42AQI (US)
40AQI (US)
43AQI (US)
38AQI (US)
34AQI (US)
39AQI (US)
42AQI (US)
42AQI (US)
34AQI (US)
34AQI (US)
38AQI (US)
41AQI (US)
52AQI (US)
47AQI (US)
44AQI (US)
43AQI (US)
39AQI (US)
40AQI (US)
39AQI (US)
40AQI (US)
33AQI (US)
40AQI (US)
42AQI (US)
40AQI (US)
36AQI (US)
35AQI (US)
36AQI (US)
34AQI (US)
32AQI (US)
32AQI (US)
36AQI (US)
36AQI (US)
35AQI (US)
41AQI (US)
36AQI (US)
35AQI (US)
30AQI (US)
31AQI (US)
34AQI (US)
31AQI (US)
28AQI (US)
24AQI (US)
32AQI (US)
34AQI (US)
28AQI (US)
30AQI (US)
29AQI (US)
27AQI (US)
27AQI (US)
31AQI (US)
27AQI (US)
30AQI (US)
33AQI (US)
30AQI (US)
33AQI (US)
34AQI (US)
34AQI (US)
30AQI (US)
34AQI (US)
34AQI (US)
30AQI (US)
29AQI (US)
26AQI (US)
29AQI (US)
32AQI (US)
34AQI (US)
29AQI (US)
25AQI (US)
23AQI (US)
26AQI (US)
27AQI (US)
26AQI (US)
20AQI (US)
28AQI (US)
32AQI (US)
32AQI (US)
28AQI (US)
28AQI (US)
33AQI (US)
31AQI (US)
30AQI (US)
31AQI (US)
25AQI (US)
44AQI (US)
52AQI (US)
56AQI (US)
58AQI (US)
54AQI (US)
49AQI (US)
46AQI (US)
44AQI (US)
50AQI (US)
47AQI (US)
45AQI (US)
28AQI (US)
27AQI (US)
20AQI (US)
16AQI (US)
26AQI (US)
26AQI (US)
29AQI (US)
26AQI (US)
23AQI (US)
24AQI (US)
28AQI (US)
43AQI (US)
37AQI (US)
30AQI (US)
35AQI (US)
26AQI (US)
No. of days
202634AQI (US)
Highest AQI (US) recorded in
February43AQI (US)
Lowest AQI (US) recorded in
June26AQI (US)
202524AQI (US)
Highest AQI (US) recorded in
June29AQI (US)
Lowest AQI (US) recorded in
April14AQI (US)
202423AQI (US)
Highest AQI (US) recorded in
February29AQI (US)
Lowest AQI (US) recorded in
November14AQI (US)
202330AQI (US)
Highest AQI (US) recorded in
February34AQI (US)
Lowest AQI (US) recorded in
August22AQI (US)
202228AQI (US)
Highest AQI (US) recorded in
January35AQI (US)
Lowest AQI (US) recorded in
September22AQI (US)
202128AQI (US)
Highest AQI (US) recorded in
March33AQI (US)
Lowest AQI (US) recorded in
September20AQI (US)
202024AQI (US)
Highest AQI (US) recorded in
March31AQI (US)
Lowest AQI (US) recorded in
September20AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Moncton's annual 2026 AQI (US) (34) shows an average percentage change of 31.2% (worsened AQI (US)) compared to previous years: 2020 (24), 2021 (28), 2022 (28), 2023 (30), 2024 (23), 2025 (24).