Roberval, Westmount, Quebec, 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
Roberval, Westmount, Quebec, Canada
AQI Trends: Highest and Lowest
Same Day Analysis (2nd June):
On this day, AQI across the 5 years varied significantly: 2026 ranks 4th highest AQI at 24 of Good air quality, showing improvement over 2025, 2024 and 2023 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 1st Jun - 2nd Jun 2026
Roberval, Westmount, Quebec, Canada
5 AM1st Jun 2026
8 PM
4 AM2nd Jun 2026
34AQI
12AQI
36AQI
22AQI
In the last 24 hours,
Roberval's AQI reached its highest point of 36 at 9 PM during the Night, while the lowest point, 12, was recorded at 7 PM during the Day between 1st Jun and 2nd Jun 2026.
Day & Night AQI Trend : May - Jun 2026
Roberval, Westmount, Quebec, Canada
11°C5/18°C
16°C10/24°C
8°C6/10°C
8°C6/11°C
9°C6/12°C
11°C3/20°C
12°C7/15°C
9°C5/14°C
9°C3/15°C
8°C5/13°C
10°C8/12°C
13°C10/18°C
16°C9/26°C
18°C14/25°C
15°C9/21°C
22°C16/29°C
18°C10/19°C
11°C5/18°C
13°C5/23°C
16°C8/25°C
12°C10/13°C
15°C12/20°C
20°C12/31°C
19°C15/24°C
15°C11/19°C
14°C10/19°C
13°C8/19°C
13°C9/19°C
15°C8/23°C
18°C10/26°C
46AQI
28AQI
43AQI
29AQI
2026 Days Vs Air Quality
Roberval, Westmount, Quebec, 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
Roberval, Westmount, Quebec, Canada
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
19AQI (US)
35AQI (US)
29AQI (US)
45AQI (US)
39AQI (US)
63AQI (US)
68AQI (US)
67AQI (US)
43AQI (US)
17AQI (US)
16AQI (US)
19AQI (US)
46AQI (US)
40AQI (US)
32AQI (US)
15AQI (US)
40AQI (US)
34AQI (US)
38AQI (US)
25AQI (US)
24AQI (US)
49AQI (US)
53AQI (US)
48AQI (US)
46AQI (US)
47AQI (US)
44AQI (US)
46AQI (US)
51AQI (US)
50AQI (US)
44AQI (US)
47AQI (US)
49AQI (US)
50AQI (US)
52AQI (US)
49AQI (US)
40AQI (US)
39AQI (US)
44AQI (US)
45AQI (US)
46AQI (US)
46AQI (US)
46AQI (US)
53AQI (US)
50AQI (US)
42AQI (US)
43AQI (US)
45AQI (US)
42AQI (US)
41AQI (US)
43AQI (US)
38AQI (US)
35AQI (US)
40AQI (US)
45AQI (US)
42AQI (US)
35AQI (US)
34AQI (US)
38AQI (US)
41AQI (US)
52AQI (US)
45AQI (US)
44AQI (US)
42AQI (US)
38AQI (US)
39AQI (US)
38AQI (US)
39AQI (US)
34AQI (US)
42AQI (US)
42AQI (US)
40AQI (US)
36AQI (US)
36AQI (US)
36AQI (US)
34AQI (US)
33AQI (US)
32AQI (US)
36AQI (US)
36AQI (US)
35AQI (US)
40AQI (US)
36AQI (US)
34AQI (US)
30AQI (US)
31AQI (US)
34AQI (US)
31AQI (US)
28AQI (US)
24AQI (US)
32AQI (US)
34AQI (US)
28AQI (US)
32AQI (US)
29AQI (US)
28AQI (US)
27AQI (US)
31AQI (US)
28AQI (US)
31AQI (US)
33AQI (US)
29AQI (US)
33AQI (US)
33AQI (US)
33AQI (US)
29AQI (US)
33AQI (US)
34AQI (US)
30AQI (US)
28AQI (US)
26AQI (US)
29AQI (US)
33AQI (US)
34AQI (US)
29AQI (US)
24AQI (US)
22AQI (US)
26AQI (US)
27AQI (US)
26AQI (US)
21AQI (US)
28AQI (US)
32AQI (US)
31AQI (US)
28AQI (US)
27AQI (US)
33AQI (US)
31AQI (US)
30AQI (US)
30AQI (US)
25AQI (US)
45AQI (US)
52AQI (US)
56AQI (US)
57AQI (US)
55AQI (US)
49AQI (US)
44AQI (US)
44AQI (US)
50AQI (US)
47AQI (US)
44AQI (US)
29AQI (US)
26AQI (US)
18AQI (US)
19AQI (US)
20AQI (US)
25AQI (US)
25AQI (US)
24AQI (US)
40AQI (US)
44AQI (US)
37AQI (US)
30AQI (US)
35AQI (US)
25AQI (US)
No. of days
202637AQI (US)
Highest AQI (US) recorded in
February44AQI (US)
Lowest AQI (US) recorded in
June25AQI (US)
202534AQI (US)
Highest AQI (US) recorded in
July40AQI (US)
Lowest AQI (US) recorded in
May24AQI (US)
202430AQI (US)
Highest AQI (US) recorded in
February39AQI (US)
Lowest AQI (US) recorded in
November24AQI (US)
202335AQI (US)
Highest AQI (US) recorded in
June59AQI (US)
Lowest AQI (US) recorded in
October29AQI (US)
202232AQI (US)
Highest AQI (US) recorded in
January40AQI (US)
Lowest AQI (US) recorded in
November24AQI (US)
202132AQI (US)
Highest AQI (US) recorded in
June41AQI (US)
Lowest AQI (US) recorded in
April20AQI (US)
202024AQI (US)
Highest AQI (US) recorded in
June35AQI (US)
Lowest AQI (US) recorded in
October17AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Roberval's annual 2026 AQI (US) (37) shows an average percentage change of 20.5% (worsened AQI (US)) compared to previous years: 2020 (24), 2021 (32), 2022 (32), 2023 (35), 2024 (30), 2025 (34).