Bunbury, 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
Bunbury, 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 1st highest AQI at 20 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 20th Aug - 21st Aug 2025
Bunbury, Western Australia, Australia
7 AM20th Aug 2025
5 PM
6 AM21st Aug 2025
26AQI
12AQI
27AQI
14AQI
In the last 24 hours,
Bunbury's AQI reached its highest point of 27 at 4 AM during the Night, while the lowest point, 12, was recorded at 2 PM during the Day between 20th Aug and 21st Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Bunbury, Western Australia, Australia
13°C12/16°C
14°C10/16°C
9°C7/12°C
10°C6/12°C
12°C11/14°C
11°C9/13°C
9°C7/11°C
11°C8/14°C
11°C8/15°C
12°C9/16°C
14°C10/17°C
15°C13/16°C
12°C10/12°C
12°C9/15°C
13°C10/15°C
12°C8/16°C
13°C9/18°C
15°C13/18°C
16°C13/18°C
13°C10/15°C
15°C14/17°C
14°C11/17°C
16°C13/19°C
12°C9/14°C
11°C8/15°C
12°C10/15°C
13°C10/17°C
15°C12/19°C
15°C13/16°C
14°C11/16°C
--°C/°C
36AQI
17AQI
38AQI
18AQI
2025 Days Vs Air Quality
Bunbury, 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
Bunbury, Western Australia, Australia
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
25AQI
29AQI
28AQI
26AQI
24AQI
23AQI
22AQI
22AQI
24AQI
21AQI
21AQI
20AQI
22AQI
23AQI
21AQI
22AQI
22AQI
22AQI
24AQI
24AQI
28AQI
25AQI
28AQI
26AQI
47AQI
62AQI
56AQI
39AQI
33AQI
29AQI
25AQI
42AQI
65AQI
64AQI
43AQI
33AQI
32AQI
26AQI
25AQI
23AQI
23AQI
23AQI
24AQI
24AQI
24AQI
27AQI
25AQI
30AQI
25AQI
25AQI
26AQI
23AQI
22AQI
22AQI
29AQI
21AQI
25AQI
21AQI
22AQI
25AQI
22AQI
22AQI
19AQI
20AQI
21AQI
20AQI
20AQI
21AQI
22AQI
24AQI
23AQI
24AQI
18AQI
17AQI
18AQI
17AQI
18AQI
18AQI
17AQI
19AQI
71AQI
74AQI
50AQI
33AQI
33AQI
32AQI
39AQI
26AQI
32AQI
46AQI
32AQI
30AQI
24AQI
26AQI
23AQI
19AQI
22AQI
19AQI
16AQI
16AQI
18AQI
20AQI
20AQI
20AQI
22AQI
22AQI
24AQI
22AQI
21AQI
20AQI
18AQI
16AQI
17AQI
15AQI
15AQI
17AQI
15AQI
16AQI
17AQI
18AQI
22AQI
27AQI
25AQI
27AQI
31AQI
37AQI
34AQI
37AQI
30AQI
30AQI
26AQI
30AQI
28AQI
31AQI
33AQI
34AQI
36AQI
35AQI
32AQI
32AQI
33AQI
32AQI
27AQI
29AQI
27AQI
29AQI
30AQI
26AQI
26AQI
25AQI
26AQI
29AQI
29AQI
26AQI
29AQI
27AQI
30AQI
28AQI
29AQI
29AQI
32AQI
29AQI
32AQI
28AQI
30AQI
26AQI
28AQI
28AQI
24AQI
25AQI
29AQI
23AQI
16AQI
19AQI
22AQI
22AQI
24AQI
25AQI
30AQI
30AQI
26AQI
23AQI
24AQI
22AQI
24AQI
23AQI
21AQI
21AQI
22AQI
23AQI
22AQI
22AQI
26AQI
28AQI
26AQI
24AQI
23AQI
25AQI
24AQI
24AQI
23AQI
25AQI
25AQI
24AQI
23AQI
25AQI
29AQI
35AQI
41AQI
35AQI
37AQI
35AQI
34AQI
30AQI
29AQI
28AQI
25AQI
27AQI
25AQI
26AQI
24AQI
25AQI
26AQI
26AQI
24AQI
23AQI
23AQI
23AQI
21AQI
21AQI
22AQI
20AQI
28AQI
29AQI
28AQI
20AQI
30AQI
27AQI
26AQI
25AQI
No. of days
202527AQI
Highest AQI recorded in
May30AQI
Lowest AQI recorded in
April20AQI
202415AQI
Highest AQI recorded in
July24AQI
Lowest AQI recorded in
September7AQI
202311AQI
Highest AQI recorded in
September16AQI
Lowest AQI recorded in
March7AQI
20228AQI
Highest AQI recorded in
May14AQI
Lowest AQI recorded in
April6AQI
202123AQI
Highest AQI recorded in
April40AQI
Lowest AQI recorded in
December8AQI
202033AQI
Highest AQI recorded in
May61AQI
Lowest AQI recorded in
April16AQI
Most & Least Polluted Years Over the Last 6 Years
Bunbury's annual 2025 AQI (27) shows an average percentage change of 94.3% (worsened AQI) compared to previous years: 2020 (33), 2021 (23), 2022 (8), 2023 (11), 2024 (15).