Fremantle, 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
Fremantle, Western Australia, Australia
AQI Trends: Highest and Lowest
Same Day Analysis (3rd August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 29 of Good air quality, showing improvement over 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 4th Aug - 5th Aug 2025
Fremantle, Western Australia, Australia
7 AM4th Aug 2025
5 PM
6 AM5th Aug 2025
AQI
AQI
36AQI
17AQI
In the last 24 hours,
Fremantle's AQI reached its highest point of 36 at 7 AM during the Night, while the lowest point, 17, was recorded at 2 PM during the Night between 4th Aug and 5th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Fremantle, Western Australia, Australia
17°C15/21°C
16°C14/18°C
15°C13/17°C
13°C11/16°C
14°C12/16°C
15°C11/19°C
16°C13/18°C
13°C12/14°C
15°C13/16°C
15°C12/17°C
16°C13/16°C
14°C12/16°C
16°C12/18°C
13°C10/16°C
15°C10/18°C
12°C9/15°C
15°C12/17°C
15°C12/16°C
11°C9/13°C
11°C7/14°C
12°C10/15°C
12°C11/15°C
11°C9/13°C
12°C9/15°C
13°C10/17°C
14°C11/18°C
15°C13/19°C
16°C15/17°C
14°C13/16°C
--°C/°C
--°C/°C
32AQI
19AQI
33AQI
19AQI
2025 Days Vs Air Quality
Fremantle, Western Australia, Australia
97%
208
3%
7
Total number of days with different AQI categories in last 216 days in 2025 (149 days remaining)
Under WHO’s Safe Air Quality Limits: 97%
Health Risk Level:
Very Low
In 2025, 97% of 216 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
Fremantle, Western Australia, Australia
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
28AQI
30AQI
30AQI
27AQI
26AQI
26AQI
25AQI
22AQI
25AQI
20AQI
22AQI
20AQI
22AQI
24AQI
24AQI
25AQI
22AQI
23AQI
27AQI
30AQI
31AQI
31AQI
32AQI
26AQI
45AQI
58AQI
54AQI
43AQI
35AQI
35AQI
33AQI
44AQI
66AQI
65AQI
48AQI
38AQI
39AQI
30AQI
33AQI
24AQI
24AQI
23AQI
24AQI
26AQI
25AQI
28AQI
26AQI
30AQI
26AQI
28AQI
27AQI
25AQI
25AQI
23AQI
30AQI
22AQI
28AQI
23AQI
25AQI
26AQI
23AQI
22AQI
23AQI
22AQI
25AQI
23AQI
21AQI
24AQI
23AQI
28AQI
23AQI
23AQI
18AQI
17AQI
15AQI
16AQI
17AQI
18AQI
16AQI
19AQI
68AQI
71AQI
52AQI
38AQI
36AQI
34AQI
39AQI
25AQI
33AQI
44AQI
31AQI
30AQI
24AQI
25AQI
25AQI
17AQI
20AQI
18AQI
16AQI
16AQI
19AQI
20AQI
19AQI
19AQI
21AQI
21AQI
22AQI
21AQI
20AQI
18AQI
15AQI
15AQI
16AQI
14AQI
14AQI
16AQI
14AQI
16AQI
18AQI
19AQI
21AQI
30AQI
24AQI
27AQI
35AQI
34AQI
34AQI
36AQI
29AQI
32AQI
25AQI
29AQI
30AQI
31AQI
34AQI
34AQI
38AQI
33AQI
36AQI
29AQI
30AQI
31AQI
24AQI
27AQI
25AQI
32AQI
31AQI
27AQI
26AQI
26AQI
26AQI
27AQI
27AQI
26AQI
25AQI
26AQI
26AQI
28AQI
25AQI
29AQI
29AQI
23AQI
28AQI
25AQI
27AQI
24AQI
24AQI
25AQI
21AQI
23AQI
23AQI
21AQI
11AQI
20AQI
23AQI
23AQI
28AQI
25AQI
27AQI
26AQI
23AQI
21AQI
22AQI
22AQI
23AQI
23AQI
24AQI
22AQI
22AQI
22AQI
22AQI
23AQI
24AQI
23AQI
25AQI
22AQI
22AQI
23AQI
25AQI
24AQI
24AQI
24AQI
22AQI
19AQI
19AQI
22AQI
23AQI
29AQI
44AQI
34AQI
33AQI
33AQI
35AQI
31AQI
29AQI
30AQI
31AQI
28AQI
19AQI
30AQI
25AQI
25AQI
32AQI
No. of days
202527AQI
Highest AQI recorded in
August32AQI
Lowest AQI recorded in
April19AQI
202424AQI
Highest AQI recorded in
August28AQI
Lowest AQI recorded in
May20AQI
202323AQI
Highest AQI recorded in
June29AQI
Lowest AQI recorded in
February17AQI
202221AQI
Highest AQI recorded in
June24AQI
Lowest AQI recorded in
March18AQI
202131AQI
Highest AQI recorded in
June48AQI
Lowest AQI recorded in
December19AQI
202030AQI
Highest AQI recorded in
May51AQI
Lowest AQI recorded in
September21AQI
Most & Least Polluted Years Over the Last 6 Years
Fremantle's annual 2025 AQI (27) shows an average percentage change of 6.5% (worsened AQI) compared to previous years: 2020 (30), 2021 (31), 2022 (21), 2023 (23), 2024 (24).