Perth, Western Australia, Australia 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
Perth, Western Australia, Australia
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 2025 and 2023 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 2nd Jun - 3rd Jun 2026
Perth, Western Australia, Australia
7 AM2nd Jun 2026
5 PM
6 AM3rd Jun 2026
58AQI
22AQI
29AQI
6AQI
In the last 24 hours,
Perth's AQI reached its highest point of 58 at 9 AM during the Day, while the lowest point, 6, was recorded at 10 PM during the Night between 2nd Jun and 3rd Jun 2026.
Day & Night AQI Trend : May - Jun 2026
Perth, Western Australia, Australia
18°C14/23°C
18°C14/22°C
18°C14/23°C
19°C15/23°C
18°C15/23°C
18°C15/23°C
19°C16/24°C
19°C15/24°C
19°C16/22°C
18°C17/18°C
17°C15/18°C
16°C13/18°C
16°C13/19°C
17°C15/21°C
19°C15/24°C
19°C16/24°C
18°C16/21°C
15°C12/18°C
13°C10/16°C
15°C10/20°C
17°C12/23°C
18°C14/23°C
19°C16/22°C
19°C17/20°C
17°C16/18°C
16°C13/20°C
17°C15/18°C
17°C17/18°C
17°C15/18°C
15°C13/17°C
38AQI
26AQI
37AQI
25AQI
2026 Days Vs Air Quality
Perth, Western Australia, Australia
98%
148
2%
3
Total number of days with different AQI categories in last 154 days in 2026 (211 days remaining)
Under WHO’s Safe Air Quality Limits: 98%
Health Risk Level:
Very Low
In 2026, 98% of 154 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, Western Australia, Australia
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
22AQI (US)
26AQI (US)
30AQI (US)
23AQI (US)
30AQI (US)
25AQI (US)
25AQI (US)
18AQI (US)
16AQI (US)
18AQI (US)
18AQI (US)
22AQI (US)
16AQI (US)
12AQI (US)
17AQI (US)
24AQI (US)
16AQI (US)
21AQI (US)
50AQI (US)
16AQI (US)
24AQI (US)
29AQI (US)
43AQI (US)
34AQI (US)
38AQI (US)
40AQI (US)
24AQI (US)
20AQI (US)
28AQI (US)
43AQI (US)
32AQI (US)
30AQI (US)
32AQI (US)
46AQI (US)
46AQI (US)
40AQI (US)
28AQI (US)
36AQI (US)
26AQI (US)
32AQI (US)
46AQI (US)
42AQI (US)
38AQI (US)
50AQI (US)
44AQI (US)
34AQI (US)
29AQI (US)
32AQI (US)
34AQI (US)
22AQI (US)
32AQI (US)
36AQI (US)
30AQI (US)
10AQI (US)
11AQI (US)
30AQI (US)
22AQI (US)
42AQI (US)
46AQI (US)
27AQI (US)
44AQI (US)
42AQI (US)
46AQI (US)
44AQI (US)
35AQI (US)
38AQI (US)
46AQI (US)
47AQI (US)
38AQI (US)
40AQI (US)
42AQI (US)
43AQI (US)
44AQI (US)
44AQI (US)
47AQI (US)
36AQI (US)
36AQI (US)
36AQI (US)
30AQI (US)
40AQI (US)
14AQI (US)
19AQI (US)
35AQI (US)
46AQI (US)
30AQI (US)
28AQI (US)
20AQI (US)
44AQI (US)
36AQI (US)
46AQI (US)
17AQI (US)
26AQI (US)
32AQI (US)
32AQI (US)
38AQI (US)
32AQI (US)
32AQI (US)
17AQI (US)
18AQI (US)
29AQI (US)
20AQI (US)
14AQI (US)
26AQI (US)
11AQI (US)
12AQI (US)
36AQI (US)
14AQI (US)
24AQI (US)
28AQI (US)
11AQI (US)
41AQI (US)
44AQI (US)
44AQI (US)
45AQI (US)
42AQI (US)
28AQI (US)
26AQI (US)
40AQI (US)
30AQI (US)
34AQI (US)
26AQI (US)
19AQI (US)
18AQI (US)
28AQI (US)
11AQI (US)
7AQI (US)
25AQI (US)
26AQI (US)
28AQI (US)
23AQI (US)
27AQI (US)
28AQI (US)
72AQI (US)
55AQI (US)
47AQI (US)
44AQI (US)
57AQI (US)
48AQI (US)
46AQI (US)
43AQI (US)
48AQI (US)
36AQI (US)
30AQI (US)
17AQI (US)
22AQI (US)
22AQI (US)
22AQI (US)
22AQI (US)
20AQI (US)
28AQI (US)
24AQI (US)
26AQI (US)
34AQI (US)
38AQI (US)
28AQI (US)
32AQI (US)
24AQI (US)
No. of days
202631AQI (US)
Highest AQI (US) recorded in
March38AQI (US)
Lowest AQI (US) recorded in
June24AQI (US)
202527AQI (US)
Highest AQI (US) recorded in
October34AQI (US)
Lowest AQI (US) recorded in
April19AQI (US)
202418AQI (US)
Highest AQI (US) recorded in
December27AQI (US)
Lowest AQI (US) recorded in
May15AQI (US)
202316AQI (US)
Highest AQI (US) recorded in
October18AQI (US)
Lowest AQI (US) recorded in
April13AQI (US)
202214AQI (US)
Highest AQI (US) recorded in
February18AQI (US)
Lowest AQI (US) recorded in
November13AQI (US)
202127AQI (US)
Highest AQI (US) recorded in
June42AQI (US)
Lowest AQI (US) recorded in
December14AQI (US)
202030AQI (US)
Highest AQI (US) recorded in
May52AQI (US)
Lowest AQI (US) recorded in
September19AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Perth's annual 2026 AQI (US) (31) shows an average percentage change of 53.3% (worsened AQI (US)) compared to previous years: 2020 (30), 2021 (27), 2022 (14), 2023 (16), 2024 (18), 2025 (27).