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 (1st August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 2nd highest AQI at 25 of Good air quality, showing improvement over 2023 on the same day.
Day & Night AQI Trend: 1st Aug - 2nd Aug 2026
Perth, Perth And Kinross, United Kingdom
4 AM1st Aug 2026
9 PM
3 AM2nd Aug 2026
35AQI
17AQI
30AQI
24AQI
In the last 24 hours,
Perth's AQI reached its highest point of 35 at 7 AM during the Day, while the lowest point, 17, was recorded at 11 AM during the Day between 1st Aug and 2nd Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Perth, Perth And Kinross, United Kingdom
13°C8/16°C
14°C10/17°C
16°C13/19°C
16°C13/19°C
19°C12/25°C
19°C11/25°C
19°C13/25°C
16°C14/19°C
15°C9/18°C
13°C7/20°C
14°C8/22°C
15°C9/23°C
16°C9/24°C
16°C9/23°C
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
27AQI
21AQI
23AQI
22AQI
2026 Days Vs Air Quality
Perth, Perth And Kinross, United Kingdom
97%
204
3%
6
Total number of days with different AQI categories in last 214 days in 2026 (151 days remaining)
Under WHO’s Safe Air Quality Limits: 97%
Health Risk Level:
Very Low
In 2026, 97% of 214 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)
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).