Busselton, Western Australia, Australia 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
Busselton, Western Australia, Australia
AQI Trends: Highest and Lowest
Same Day Analysis (20th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 19 of Good air quality, showing improvement over 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 21st Aug - 22nd Aug 2025
Busselton, Western Australia, Australia
7 AM21st Aug 2025
5 PM
6 AM22nd Aug 2025
AQI
AQI
27AQI
9AQI
In the last 24 hours,
Busselton's AQI reached its highest point of 27 at 9 PM during the Night, while the lowest point, undefined, was recorded at 6 AM during the Night between 21st Aug and 22nd Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Busselton, Western Australia, Australia
14°C10/15°C
10°C9/12°C
11°C10/13°C
12°C11/14°C
13°C10/14°C
10°C9/11°C
12°C9/14°C
12°C9/15°C
13°C11/16°C
15°C12/17°C
15°C13/15°C
12°C11/11°C
13°C12/15°C
13°C10/15°C
12°C9/15°C
13°C10/17°C
16°C13/17°C
15°C13/17°C
13°C10/15°C
15°C14/17°C
15°C13/18°C
16°C13/20°C
12°C11/14°C
13°C11/14°C
13°C11/14°C
13°C9/17°C
15°C12/18°C
15°C15/16°C
14°C12/15°C
--°C/°C
--°C/°C
35AQI
18AQI
36AQI
18AQI
2025 Days Vs Air Quality
Busselton, Western Australia, Australia
97%
226
3%
6
Total number of days with different AQI categories in last 233 days in 2025 (132 days remaining)
Under WHO’s Safe Air Quality Limits: 97%
Health Risk Level:
Very Low
In 2025, 97% of 233 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
Busselton, Western Australia, Australia
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
26AQI
30AQI
29AQI
26AQI
24AQI
24AQI
23AQI
23AQI
24AQI
22AQI
22AQI
21AQI
21AQI
23AQI
22AQI
22AQI
22AQI
23AQI
24AQI
24AQI
27AQI
26AQI
28AQI
26AQI
45AQI
59AQI
55AQI
39AQI
33AQI
29AQI
25AQI
43AQI
64AQI
65AQI
44AQI
33AQI
31AQI
26AQI
26AQI
23AQI
23AQI
23AQI
24AQI
25AQI
23AQI
31AQI
25AQI
31AQI
25AQI
26AQI
25AQI
23AQI
22AQI
21AQI
30AQI
20AQI
26AQI
23AQI
22AQI
24AQI
22AQI
22AQI
19AQI
22AQI
19AQI
19AQI
19AQI
21AQI
22AQI
24AQI
23AQI
24AQI
19AQI
19AQI
21AQI
20AQI
18AQI
18AQI
18AQI
18AQI
69AQI
72AQI
50AQI
34AQI
34AQI
31AQI
38AQI
23AQI
31AQI
43AQI
30AQI
28AQI
22AQI
23AQI
25AQI
16AQI
21AQI
19AQI
16AQI
17AQI
19AQI
19AQI
21AQI
23AQI
22AQI
22AQI
22AQI
22AQI
21AQI
18AQI
18AQI
15AQI
15AQI
15AQI
14AQI
16AQI
14AQI
16AQI
17AQI
18AQI
20AQI
32AQI
26AQI
28AQI
29AQI
33AQI
31AQI
37AQI
27AQI
26AQI
23AQI
27AQI
23AQI
28AQI
33AQI
33AQI
34AQI
32AQI
30AQI
28AQI
30AQI
32AQI
24AQI
27AQI
27AQI
27AQI
32AQI
29AQI
28AQI
28AQI
31AQI
33AQI
30AQI
30AQI
26AQI
27AQI
26AQI
25AQI
26AQI
28AQI
27AQI
23AQI
28AQI
24AQI
32AQI
29AQI
28AQI
26AQI
24AQI
25AQI
27AQI
23AQI
18AQI
21AQI
25AQI
23AQI
26AQI
27AQI
30AQI
28AQI
25AQI
23AQI
23AQI
24AQI
23AQI
21AQI
22AQI
23AQI
23AQI
24AQI
23AQI
23AQI
25AQI
27AQI
26AQI
26AQI
26AQI
27AQI
26AQI
28AQI
29AQI
27AQI
29AQI
23AQI
25AQI
28AQI
29AQI
34AQI
46AQI
36AQI
37AQI
35AQI
35AQI
30AQI
28AQI
28AQI
25AQI
25AQI
26AQI
29AQI
29AQI
28AQI
26AQI
24AQI
23AQI
22AQI
22AQI
24AQI
22AQI
21AQI
21AQI
19AQI
28AQI
29AQI
28AQI
19AQI
29AQI
26AQI
27AQI
25AQI
No. of days
202527AQI
Highest AQI recorded in
February29AQI
Lowest AQI recorded in
April19AQI
202411AQI
Highest AQI recorded in
December25AQI
Lowest AQI recorded in
September6AQI
20238AQI
Highest AQI recorded in
June11AQI
Lowest AQI recorded in
March5AQI
202210AQI
Highest AQI recorded in
July17AQI
Lowest AQI recorded in
March7AQI
202129AQI
Highest AQI recorded in
July56AQI
Lowest AQI recorded in
December9AQI
202032AQI
Highest AQI recorded in
May49AQI
Lowest AQI recorded in
March21AQI
Most & Least Polluted Years Over the Last 6 Years
Busselton's annual 2025 AQI (27) shows an average percentage change of 101.5% (worsened AQI) compared to previous years: 2020 (32), 2021 (29), 2022 (10), 2023 (8), 2024 (11).