Lac Saint Jean, Roberval, 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
Lac Saint Jean, Roberval, Quebec, Canada
AQI Trends: Highest and Lowest
Same Day Analysis (3rd June):
On this day, AQI across the 5 years varied significantly: 2026 ranks 3rd highest AQI at 24 of Good air quality, showing improvement over 2024 and 2023 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 3rd Jun - 4th Jun 2026
Lac Saint Jean, Roberval, Quebec, Canada
5 AM3rd Jun 2026
8 PM
4 AM4th Jun 2026
34AQI
20AQI
30AQI
24AQI
In the last 24 hours,
Lac Saint Jean's AQI reached its highest point of 34 at 10 AM during the Day, while the lowest point, 20, was recorded at 7 AM during the Day between 3rd Jun and 4th Jun 2026.
Day & Night AQI Trend : May - Jun 2026
Lac Saint Jean, Roberval, Quebec, Canada
9°C4/12°C
7°C4/9°C
5°C0/9°C
9°C2/16°C
9°C5/12°C
4°C0/7°C
4°C0/8°C
7°C0/15°C
8°C6/9°C
11°C7/14°C
16°C11/23°C
9°C4/12°C
8°C1/14°C
12°C8/16°C
11°C3/15°C
3°C0/10°C
7°C0/14°C
10°C2/17°C
13°C5/23°C
13°C11/18°C
15°C10/22°C
13°C10/16°C
10°C8/12°C
9°C6/12°C
13°C5/19°C
12°C8/15°C
14°C6/22°C
16°C9/23°C
20°C13/28°C
23°C16/30°C
44AQI
28AQI
40AQI
30AQI
2026 Days Vs Air Quality
Lac Saint Jean, Roberval, Quebec, Canada
93%
141
7%
10
Total number of days with different AQI categories in last 155 days in 2026 (210 days remaining)
Under WHO’s Safe Air Quality Limits: 93%
Health Risk Level:
Very Low
In 2026, 93% 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
Lac Saint Jean, Roberval, Quebec, Canada
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
14AQI (US)
14AQI (US)
13AQI (US)
12AQI (US)
28AQI (US)
31AQI (US)
38AQI (US)
56AQI (US)
35AQI (US)
21AQI (US)
12AQI (US)
10AQI (US)
19AQI (US)
20AQI (US)
16AQI (US)
18AQI (US)
40AQI (US)
19AQI (US)
18AQI (US)
19AQI (US)
22AQI (US)
47AQI (US)
55AQI (US)
48AQI (US)
48AQI (US)
48AQI (US)
39AQI (US)
46AQI (US)
48AQI (US)
48AQI (US)
41AQI (US)
47AQI (US)
47AQI (US)
57AQI (US)
76AQI (US)
55AQI (US)
39AQI (US)
33AQI (US)
44AQI (US)
44AQI (US)
43AQI (US)
39AQI (US)
37AQI (US)
46AQI (US)
45AQI (US)
36AQI (US)
42AQI (US)
44AQI (US)
40AQI (US)
40AQI (US)
38AQI (US)
36AQI (US)
34AQI (US)
36AQI (US)
40AQI (US)
38AQI (US)
34AQI (US)
33AQI (US)
34AQI (US)
34AQI (US)
49AQI (US)
45AQI (US)
44AQI (US)
40AQI (US)
33AQI (US)
42AQI (US)
40AQI (US)
38AQI (US)
33AQI (US)
39AQI (US)
41AQI (US)
37AQI (US)
35AQI (US)
33AQI (US)
34AQI (US)
32AQI (US)
30AQI (US)
35AQI (US)
39AQI (US)
40AQI (US)
35AQI (US)
41AQI (US)
35AQI (US)
31AQI (US)
26AQI (US)
28AQI (US)
33AQI (US)
27AQI (US)
25AQI (US)
23AQI (US)
27AQI (US)
30AQI (US)
26AQI (US)
29AQI (US)
27AQI (US)
27AQI (US)
25AQI (US)
30AQI (US)
27AQI (US)
30AQI (US)
30AQI (US)
25AQI (US)
29AQI (US)
32AQI (US)
33AQI (US)
28AQI (US)
28AQI (US)
31AQI (US)
28AQI (US)
26AQI (US)
22AQI (US)
24AQI (US)
28AQI (US)
33AQI (US)
26AQI (US)
24AQI (US)
22AQI (US)
26AQI (US)
25AQI (US)
24AQI (US)
20AQI (US)
33AQI (US)
37AQI (US)
29AQI (US)
25AQI (US)
26AQI (US)
30AQI (US)
26AQI (US)
24AQI (US)
25AQI (US)
22AQI (US)
45AQI (US)
52AQI (US)
56AQI (US)
57AQI (US)
54AQI (US)
51AQI (US)
45AQI (US)
43AQI (US)
50AQI (US)
47AQI (US)
45AQI (US)
28AQI (US)
27AQI (US)
21AQI (US)
22AQI (US)
23AQI (US)
28AQI (US)
30AQI (US)
28AQI (US)
24AQI (US)
30AQI (US)
42AQI (US)
35AQI (US)
28AQI (US)
35AQI (US)
27AQI (US)
No. of days
202634AQI (US)
Highest AQI (US) recorded in
February42AQI (US)
Lowest AQI (US) recorded in
June27AQI (US)
202525AQI (US)
Highest AQI (US) recorded in
July34AQI (US)
Lowest AQI (US) recorded in
November18AQI (US)
202426AQI (US)
Highest AQI (US) recorded in
August40AQI (US)
Lowest AQI (US) recorded in
November14AQI (US)
202329AQI (US)
Highest AQI (US) recorded in
June60AQI (US)
Lowest AQI (US) recorded in
December21AQI (US)
202224AQI (US)
Highest AQI (US) recorded in
July33AQI (US)
Lowest AQI (US) recorded in
November19AQI (US)
202123AQI (US)
Highest AQI (US) recorded in
August35AQI (US)
Lowest AQI (US) recorded in
September14AQI (US)
202020AQI (US)
Highest AQI (US) recorded in
June27AQI (US)
Lowest AQI (US) recorded in
October14AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Lac Saint Jean's annual 2026 AQI (US) (34) shows an average percentage change of 40.5% (worsened AQI (US)) compared to previous years: 2020 (20), 2021 (23), 2022 (24), 2023 (29), 2024 (26), 2025 (25).