Perth, Perth And Kinross, United Kingdom 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
Perth, Perth And Kinross, United Kingdom
AQI Trends: Highest and Lowest
Same Day Analysis (15th August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 4th highest AQI at 15 of Good air quality, showing improvement over 2025, 2024 and 2023 on the same day.
Day & Night AQI Trend: 15th Aug - 16th Aug 2026
Perth, Perth And Kinross, United Kingdom
5 AM15th Aug 2026
9 PM
4 AM16th Aug 2026
29AQI
10AQI
28AQI
21AQI
In the last 24 hours,
Perth's AQI reached its highest point of 29 at 8 PM during the Day, while the lowest point, 10, was recorded at 6 AM during the Day between 15th Aug and 16th Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Perth, Perth And Kinross, United Kingdom
14°C8/19°C
14°C5/22°C
15°C7/22°C
16°C8/24°C
16°C10/22°C
17°C11/23°C
15°C7/21°C
15°C10/20°C
14°C10/19°C
13°C6/20°C
16°C12/21°C
15°C9/21°C
12°C6/16°C
11°C4/17°C
12°C5/17°C
13°C6/19°C
13°C9/16°C
15°C12/17°C
15°C12/18°C
14°C9/17°C
14°C9/18°C
14°C9/18°C
14°C8/19°C
13°C6/19°C
14°C8/20°C
17°C10/25°C
20°C14/25°C
19°C15/24°C
16°C9/19°C
11°C8/14°C
26AQI
23AQI
26AQI
23AQI
2026 Days Vs Air Quality
Perth, Perth And Kinross, United Kingdom
97%
218
3%
6
Total number of days with different AQI categories in last 228 days in 2026 (137 days remaining)
Under WHO’s Safe Air Quality Limits: 97%
Health Risk Level:
Very Low
In 2026, 97% of 228 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
Perth, Perth And Kinross, United Kingdom
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
10AQI (US)
9AQI (US)
9AQI (US)
9AQI (US)
16AQI (US)
19AQI (US)
10AQI (US)
32AQI (US)
30AQI (US)
32AQI (US)
14AQI (US)
12AQI (US)
18AQI (US)
11AQI (US)
16AQI (US)
37AQI (US)
40AQI (US)
43AQI (US)
44AQI (US)
38AQI (US)
18AQI (US)
54AQI (US)
54AQI (US)
69AQI (US)
53AQI (US)
25AQI (US)
24AQI (US)
36AQI (US)
40AQI (US)
38AQI (US)
36AQI (US)
40AQI (US)
39AQI (US)
41AQI (US)
36AQI (US)
33AQI (US)
18AQI (US)
31AQI (US)
35AQI (US)
40AQI (US)
39AQI (US)
34AQI (US)
33AQI (US)
42AQI (US)
40AQI (US)
22AQI (US)
14AQI (US)
28AQI (US)
23AQI (US)
37AQI (US)
22AQI (US)
26AQI (US)
34AQI (US)
31AQI (US)
27AQI (US)
24AQI (US)
24AQI (US)
30AQI (US)
26AQI (US)
15AQI (US)
21AQI (US)
42AQI (US)
42AQI (US)
41AQI (US)
19AQI (US)
19AQI (US)
31AQI (US)
29AQI (US)
13AQI (US)
35AQI (US)
36AQI (US)
30AQI (US)
28AQI (US)
22AQI (US)
27AQI (US)
32AQI (US)
28AQI (US)
29AQI (US)
40AQI (US)
51AQI (US)
87AQI (US)
37AQI (US)
33AQI (US)
15AQI (US)
20AQI (US)
26AQI (US)
27AQI (US)
25AQI (US)
24AQI (US)
19AQI (US)
25AQI (US)
22AQI (US)
14AQI (US)
18AQI (US)
20AQI (US)
18AQI (US)
24AQI (US)
29AQI (US)
22AQI (US)
24AQI (US)
25AQI (US)
24AQI (US)
27AQI (US)
28AQI (US)
17AQI (US)
23AQI (US)
20AQI (US)
26AQI (US)
24AQI (US)
23AQI (US)
23AQI (US)
27AQI (US)
29AQI (US)
27AQI (US)
28AQI (US)
23AQI (US)
21AQI (US)
23AQI (US)
27AQI (US)
27AQI (US)
22AQI (US)
23AQI (US)
22AQI (US)
24AQI (US)
22AQI (US)
19AQI (US)
22AQI (US)
22AQI (US)
21AQI (US)
16AQI (US)
17AQI (US)
26AQI (US)
35AQI (US)
40AQI (US)
34AQI (US)
33AQI (US)
32AQI (US)
35AQI (US)
32AQI (US)
39AQI (US)
50AQI (US)
35AQI (US)
30AQI (US)
25AQI (US)
25AQI (US)
20AQI (US)
24AQI (US)
22AQI (US)
18AQI (US)
20AQI (US)
17AQI (US)
14AQI (US)
18AQI (US)
21AQI (US)
19AQI (US)
17AQI (US)
14AQI (US)
19AQI (US)
15AQI (US)
19AQI (US)
19AQI (US)
18AQI (US)
21AQI (US)
24AQI (US)
21AQI (US)
20AQI (US)
13AQI (US)
14AQI (US)
10AQI (US)
18AQI (US)
21AQI (US)
15AQI (US)
21AQI (US)
29AQI (US)
24AQI (US)
16AQI (US)
20AQI (US)
20AQI (US)
19AQI (US)
15AQI (US)
21AQI (US)
12AQI (US)
8AQI (US)
14AQI (US)
11AQI (US)
15AQI (US)
23AQI (US)
18AQI (US)
19AQI (US)
23AQI (US)
23AQI (US)
27AQI (US)
42AQI (US)
27AQI (US)
46AQI (US)
26AQI (US)
25AQI (US)
27AQI (US)
25AQI (US)
25AQI (US)
23AQI (US)
24AQI (US)
23AQI (US)
22AQI (US)
25AQI (US)
23AQI (US)
22AQI (US)
22AQI (US)
23AQI (US)
25AQI (US)
29AQI (US)
27AQI (US)
27AQI (US)
21AQI (US)
20AQI (US)
26AQI (US)
25AQI (US)
24AQI (US)
22AQI (US)
25AQI (US)
25AQI (US)
36AQI (US)
21AQI (US)
15AQI (US)
29AQI (US)
31AQI (US)
30AQI (US)
23AQI (US)
27AQI (US)
19AQI (US)
23AQI (US)
25AQI (US)
No. of days
202626AQI (US)
Highest AQI (US) recorded in
February31AQI (US)
Lowest AQI (US) recorded in
June19AQI (US)
202528AQI (US)
Highest AQI (US) recorded in
March39AQI (US)
Lowest AQI (US) recorded in
September21AQI (US)
202428AQI (US)
Highest AQI (US) recorded in
November35AQI (US)
Lowest AQI (US) recorded in
July20AQI (US)
202328AQI (US)
Highest AQI (US) recorded in
June35AQI (US)
Lowest AQI (US) recorded in
July19AQI (US)
202227AQI (US)
Highest AQI (US) recorded in
March46AQI (US)
Lowest AQI (US) recorded in
July19AQI (US)
202123AQI (US)
Highest AQI (US) recorded in
July30AQI (US)
Lowest AQI (US) recorded in
November16AQI (US)
202020AQI (US)
Highest AQI (US) recorded in
November25AQI (US)
Lowest AQI (US) recorded in
July13AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Perth's annual 2026 AQI (US) (26) shows an average percentage change of 2.9% (worsened AQI (US)) compared to previous years: 2020 (20), 2021 (23), 2022 (27), 2023 (28), 2024 (28), 2025 (28).