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!
October Air Quality Analysis
Busselton, Western Australia, Australia
AQI Trends: Highest and Lowest
Same Day Analysis (17th October ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 52 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 18th Oct - 19th Oct 2025
Busselton, Western Australia, Australia
5 AM18th Oct 2025
6 PM
4 AM19th Oct 2025
AQI
AQI
66AQI
19AQI
In the last 24 hours,
Busselton's AQI reached its highest point of 66 at 2 AM during the Night, while the lowest point, 19, was recorded at 6 PM during the Night between 18th Oct and 19th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Busselton, Western Australia, Australia
15°C13/17°C
15°C12/18°C
15°C10/21°C
16°C12/22°C
17°C13/22°C
18°C15/22°C
17°C15/20°C
15°C12/17°C
16°C14/17°C
14°C13/15°C
14°C13/15°C
14°C12/17°C
14°C10/16°C
14°C11/18°C
16°C13/18°C
15°C13/18°C
13°C10/15°C
12°C9/16°C
14°C12/15°C
13°C12/15°C
14°C13/16°C
14°C13/15°C
15°C13/18°C
17°C15/19°C
15°C12/18°C
14°C10/19°C
16°C12/19°C
17°C16/19°C
18°C14/20°C
--°C/°C
--°C/°C
37AQI
31AQI
40AQI
32AQI
2025 Days Vs Air Quality
Busselton, Western Australia, Australia
96%
277
4%
13
Total number of days with different AQI categories in last 291 days in 2025 (74 days remaining)
Under WHO’s Safe Air Quality Limits: 96%
Health Risk Level:
Very Low
In 2025, 96% of 291 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
18AQI
18AQI
22AQI
22AQI
22AQI
21AQI
22AQI
20AQI
20AQI
18AQI
21AQI
22AQI
25AQI
22AQI
22AQI
34AQI
25AQI
21AQI
22AQI
21AQI
20AQI
20AQI
18AQI
18AQI
18AQI
18AQI
19AQI
21AQI
19AQI
21AQI
23AQI
21AQI
22AQI
20AQI
21AQI
23AQI
20AQI
14AQI
14AQI
7AQI
9AQI
15AQI
26AQI
52AQI
53AQI
43AQI
40AQI
45AQI
36AQI
47AQI
41AQI
43AQI
46AQI
50AQI
55AQI
52AQI
53AQI
51AQI
52AQI
28AQI
29AQI
28AQI
19AQI
29AQI
26AQI
27AQI
24AQI
20AQI
46AQI
No. of days
202527AQI
Highest AQI recorded in
October46AQI
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 103.2% (worsened AQI) compared to previous years: 2020 (32), 2021 (29), 2022 (10), 2023 (8), 2024 (11).