St Johns, Mount Pearl Park, Newfoundland And Labrador, Canada Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
August Air Quality Analysis
St Johns, Mount Pearl Park, Newfoundland And Labrador, Canada
AQI Trends: Highest and Lowest
Same Day Analysis (14th August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 3rd highest AQI at 27 of Good air quality, showing improvement over 2025 and 2023 on the same day.
Day & Night AQI Trend: 13th Aug - 14th Aug 2026
St Johns, Mount Pearl Park, Newfoundland And Labrador, Canada
5 AM13th Aug 2026
8 PM
4 AM14th Aug 2026
38AQI
21AQI
42AQI
32AQI
In the last 24 hours,
St Johns's AQI reached its highest point of 42 at 2 AM during the Night, while the lowest point, 21, was recorded at 10 AM during the Day between 13th Aug and 14th Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
St Johns, Mount Pearl Park, Newfoundland And Labrador, Canada
17°C13/22°C
15°C11/19°C
15°C11/20°C
14°C11/19°C
16°C12/21°C
17°C12/22°C
16°C12/20°C
21°C17/26°C
19°C16/22°C
15°C13/19°C
16°C12/19°C
13°C10/16°C
13°C11/14°C
13°C12/15°C
13°C12/15°C
13°C12/14°C
14°C13/16°C
14°C13/16°C
15°C13/18°C
16°C13/18°C
16°C14/21°C
13°C13/14°C
14°C11/17°C
14°C11/18°C
14°C10/17°C
13°C10/16°C
14°C10/19°C
17°C15/21°C
18°C14/22°C
15°C14/18°C
37AQI
25AQI
34AQI
25AQI
2026 Days Vs Air Quality
St Johns, Mount Pearl Park, Newfoundland And Labrador, Canada
96%
215
4%
8
Total number of days with different AQI categories in last 226 days in 2026 (139 days remaining)
Under WHO’s Safe Air Quality Limits: 96%
Health Risk Level:
Very Low
In 2026, 96% of 226 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
St Johns, Mount Pearl Park, Newfoundland And Labrador, Canada
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
28AQI (US)
28AQI (US)
25AQI (US)
14AQI (US)
20AQI (US)
21AQI (US)
23AQI (US)
20AQI (US)
17AQI (US)
14AQI (US)
16AQI (US)
20AQI (US)
10AQI (US)
23AQI (US)
24AQI (US)
16AQI (US)
14AQI (US)
29AQI (US)
15AQI (US)
20AQI (US)
16AQI (US)
44AQI (US)
53AQI (US)
47AQI (US)
49AQI (US)
48AQI (US)
43AQI (US)
47AQI (US)
52AQI (US)
49AQI (US)
46AQI (US)
47AQI (US)
50AQI (US)
50AQI (US)
49AQI (US)
50AQI (US)
41AQI (US)
38AQI (US)
47AQI (US)
47AQI (US)
47AQI (US)
47AQI (US)
46AQI (US)
54AQI (US)
50AQI (US)
43AQI (US)
45AQI (US)
45AQI (US)
43AQI (US)
40AQI (US)
43AQI (US)
39AQI (US)
34AQI (US)
39AQI (US)
41AQI (US)
42AQI (US)
35AQI (US)
33AQI (US)
36AQI (US)
39AQI (US)
49AQI (US)
46AQI (US)
44AQI (US)
44AQI (US)
38AQI (US)
41AQI (US)
39AQI (US)
41AQI (US)
34AQI (US)
38AQI (US)
42AQI (US)
39AQI (US)
37AQI (US)
35AQI (US)
35AQI (US)
35AQI (US)
32AQI (US)
33AQI (US)
37AQI (US)
37AQI (US)
35AQI (US)
41AQI (US)
37AQI (US)
36AQI (US)
33AQI (US)
32AQI (US)
35AQI (US)
32AQI (US)
29AQI (US)
25AQI (US)
31AQI (US)
34AQI (US)
29AQI (US)
29AQI (US)
29AQI (US)
28AQI (US)
27AQI (US)
31AQI (US)
28AQI (US)
30AQI (US)
34AQI (US)
30AQI (US)
33AQI (US)
35AQI (US)
33AQI (US)
32AQI (US)
34AQI (US)
35AQI (US)
32AQI (US)
29AQI (US)
26AQI (US)
28AQI (US)
33AQI (US)
34AQI (US)
30AQI (US)
25AQI (US)
23AQI (US)
26AQI (US)
27AQI (US)
26AQI (US)
22AQI (US)
28AQI (US)
33AQI (US)
32AQI (US)
29AQI (US)
27AQI (US)
33AQI (US)
31AQI (US)
29AQI (US)
30AQI (US)
24AQI (US)
42AQI (US)
55AQI (US)
55AQI (US)
58AQI (US)
53AQI (US)
50AQI (US)
48AQI (US)
41AQI (US)
51AQI (US)
47AQI (US)
45AQI (US)
30AQI (US)
25AQI (US)
22AQI (US)
22AQI (US)
23AQI (US)
26AQI (US)
29AQI (US)
23AQI (US)
22AQI (US)
22AQI (US)
25AQI (US)
29AQI (US)
29AQI (US)
10AQI (US)
13AQI (US)
23AQI (US)
24AQI (US)
22AQI (US)
17AQI (US)
20AQI (US)
22AQI (US)
23AQI (US)
21AQI (US)
22AQI (US)
19AQI (US)
20AQI (US)
19AQI (US)
16AQI (US)
16AQI (US)
13AQI (US)
24AQI (US)
21AQI (US)
23AQI (US)
22AQI (US)
20AQI (US)
24AQI (US)
43AQI (US)
31AQI (US)
23AQI (US)
24AQI (US)
24AQI (US)
21AQI (US)
26AQI (US)
43AQI (US)
31AQI (US)
22AQI (US)
27AQI (US)
26AQI (US)
27AQI (US)
28AQI (US)
31AQI (US)
29AQI (US)
29AQI (US)
42AQI (US)
37AQI (US)
26AQI (US)
41AQI (US)
31AQI (US)
18AQI (US)
32AQI (US)
33AQI (US)
30AQI (US)
28AQI (US)
27AQI (US)
29AQI (US)
28AQI (US)
25AQI (US)
28AQI (US)
37AQI (US)
28AQI (US)
26AQI (US)
35AQI (US)
35AQI (US)
29AQI (US)
28AQI (US)
29AQI (US)
25AQI (US)
18AQI (US)
22AQI (US)
30AQI (US)
27AQI (US)
29AQI (US)
44AQI (US)
37AQI (US)
30AQI (US)
35AQI (US)
21AQI (US)
29AQI (US)
28AQI (US)
No. of days
202632AQI (US)
Highest AQI (US) recorded in
February44AQI (US)
Lowest AQI (US) recorded in
June21AQI (US)
202525AQI (US)
Highest AQI (US) recorded in
July36AQI (US)
Lowest AQI (US) recorded in
November19AQI (US)
202423AQI (US)
Highest AQI (US) recorded in
April36AQI (US)
Lowest AQI (US) recorded in
July14AQI (US)
202331AQI (US)
Highest AQI (US) recorded in
April40AQI (US)
Lowest AQI (US) recorded in
November23AQI (US)
202229AQI (US)
Highest AQI (US) recorded in
April35AQI (US)
Lowest AQI (US) recorded in
September25AQI (US)
202127AQI (US)
Highest AQI (US) recorded in
March32AQI (US)
Lowest AQI (US) recorded in
July21AQI (US)
202024AQI (US)
Highest AQI (US) recorded in
April32AQI (US)
Lowest AQI (US) recorded in
July20AQI (US)
Most & Least Polluted Years Over the Last 7 Years
St Johns's annual 2026 AQI (US) (32) shows an average percentage change of 22.09% (worsened AQI (US)) compared to previous years: 2020 (24), 2021 (27), 2022 (29), 2023 (31), 2024 (23), 2025 (25).