Duncraig, 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!
August Air Quality Analysis
Duncraig, Perth, Western Australia, Australia
AQI Trends: Highest and Lowest
Same Day Analysis (13th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 28 of Good air quality, showing improvement over 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 13th Aug - 14th Aug 2025
Duncraig, Perth, Western Australia, Australia
7 AM13th Aug 2025
5 PM
6 AM14th Aug 2025
37AQI
14AQI
32AQI
18AQI
In the last 24 hours,
Duncraig's AQI reached its highest point of 37 at 9 AM during the Day, while the lowest point, 14, was recorded at 3 PM during the Day between 13th Aug and 14th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Duncraig, Perth, Western Australia, Australia
14°C11/16°C
15°C12/16°C
14°C11/16°C
15°C11/18°C
13°C9/16°C
14°C10/18°C
11°C9/14°C
14°C12/17°C
14°C11/15°C
11°C9/13°C
10°C6/14°C
12°C9/15°C
11°C9/14°C
10°C8/12°C
12°C8/15°C
13°C9/17°C
14°C10/18°C
14°C11/19°C
15°C14/16°C
14°C12/15°C
14°C13/15°C
15°C13/17°C
14°C11/17°C
15°C11/19°C
17°C14/19°C
17°C15/18°C
15°C14/16°C
14°C12/17°C
15°C11/21°C
18°C15/22°C
--°C/°C
34AQI
19AQI
35AQI
17AQI
2025 Days Vs Air Quality
Duncraig, Perth, Western Australia, Australia
97%
218
3%
7
Total number of days with different AQI categories in last 226 days in 2025 (139 days remaining)
Under WHO’s Safe Air Quality Limits: 97%
Health Risk Level:
Very Low
In 2025, 97% of 226 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
Duncraig, Perth, Western Australia, Australia
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
27AQI
30AQI
29AQI
26AQI
25AQI
25AQI
24AQI
23AQI
24AQI
22AQI
22AQI
21AQI
23AQI
24AQI
22AQI
25AQI
23AQI
23AQI
26AQI
26AQI
28AQI
28AQI
31AQI
26AQI
46AQI
59AQI
54AQI
40AQI
35AQI
34AQI
28AQI
43AQI
66AQI
66AQI
47AQI
35AQI
36AQI
27AQI
31AQI
23AQI
23AQI
23AQI
24AQI
25AQI
24AQI
28AQI
25AQI
28AQI
25AQI
26AQI
26AQI
23AQI
22AQI
21AQI
30AQI
22AQI
28AQI
22AQI
23AQI
25AQI
22AQI
21AQI
21AQI
21AQI
23AQI
21AQI
21AQI
22AQI
23AQI
26AQI
22AQI
24AQI
18AQI
18AQI
15AQI
16AQI
17AQI
19AQI
17AQI
21AQI
69AQI
71AQI
54AQI
37AQI
36AQI
33AQI
41AQI
24AQI
34AQI
44AQI
32AQI
30AQI
24AQI
25AQI
25AQI
17AQI
21AQI
19AQI
16AQI
16AQI
19AQI
20AQI
19AQI
19AQI
21AQI
22AQI
21AQI
21AQI
20AQI
18AQI
15AQI
15AQI
16AQI
15AQI
14AQI
16AQI
14AQI
16AQI
17AQI
18AQI
20AQI
32AQI
24AQI
26AQI
35AQI
32AQI
30AQI
36AQI
29AQI
30AQI
25AQI
28AQI
27AQI
30AQI
34AQI
33AQI
37AQI
35AQI
34AQI
27AQI
29AQI
30AQI
25AQI
27AQI
25AQI
32AQI
30AQI
26AQI
26AQI
26AQI
26AQI
27AQI
27AQI
25AQI
25AQI
27AQI
27AQI
27AQI
24AQI
30AQI
28AQI
22AQI
28AQI
25AQI
25AQI
24AQI
24AQI
23AQI
21AQI
23AQI
26AQI
22AQI
9AQI
23AQI
23AQI
24AQI
27AQI
25AQI
26AQI
27AQI
25AQI
22AQI
25AQI
22AQI
22AQI
22AQI
22AQI
22AQI
22AQI
22AQI
21AQI
24AQI
23AQI
23AQI
24AQI
23AQI
22AQI
24AQI
23AQI
24AQI
22AQI
23AQI
21AQI
20AQI
19AQI
22AQI
23AQI
29AQI
43AQI
34AQI
33AQI
32AQI
34AQI
32AQI
28AQI
28AQI
25AQI
27AQI
24AQI
24AQI
21AQI
21AQI
22AQI
25AQI
28AQI
29AQI
30AQI
28AQI
19AQI
29AQI
25AQI
24AQI
26AQI
No. of days
202526AQI
Highest AQI recorded in
February30AQI
Lowest AQI recorded in
April19AQI
202412AQI
Highest AQI recorded in
December27AQI
Lowest AQI recorded in
March7AQI
20238AQI
Highest AQI recorded in
May11AQI
Lowest AQI recorded in
March7AQI
20228AQI
Highest AQI recorded in
August11AQI
Lowest AQI recorded in
October6AQI
202125AQI
Highest AQI recorded in
April44AQI
Lowest AQI recorded in
December7AQI
202026AQI
Highest AQI recorded in
May45AQI
Lowest AQI recorded in
March19AQI
Most & Least Polluted Years Over the Last 6 Years
Duncraig's annual 2025 AQI (26) shows an average percentage change of 117.4% (worsened AQI) compared to previous years: 2020 (26), 2021 (25), 2022 (8), 2023 (8), 2024 (12).