Deagon, Brisbane, Queensland, Australia Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
September Air Quality Analysis
Deagon, Brisbane, Queensland, Australia
AQI Trends: Highest and Lowest
Same Day Analysis (28th September ):
On this day, AQI across the 4 years varied significantly: 2025 ranks 3rd highest AQI at 19 of Good air quality, showing improvement over 2023 and 2022 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 28th Sep - 29th Sep 2025
Deagon, Brisbane, Queensland, Australia
5 AM28th Sep 2025
5 PM
4 AM29th Sep 2025
29AQI
17AQI
22AQI
17AQI
In the last 24 hours,
Deagon's AQI reached its highest point of 29 at 9 AM during the Day, while the lowest point, 17, was recorded at 4 AM during the Night between 28th Sep and 29th Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
Deagon, Brisbane, Queensland, Australia
15°C12/20°C
15°C10/19°C
17°C14/20°C
16°C13/21°C
17°C14/22°C
19°C14/23°C
20°C17/25°C
18°C16/21°C
18°C16/21°C
18°C15/22°C
20°C15/25°C
21°C16/26°C
18°C13/22°C
17°C12/21°C
18°C14/21°C
18°C15/22°C
18°C14/22°C
19°C14/22°C
21°C16/26°C
21°C18/26°C
21°C18/25°C
19°C17/22°C
20°C16/25°C
21°C16/27°C
18°C15/22°C
18°C13/23°C
19°C13/25°C
19°C14/25°C
20°C16/24°C
20°C15/26°C
--°C/°C
29AQI
21AQI
24AQI
21AQI
2025 Days Vs Air Quality
Deagon, Brisbane, Queensland, Australia
100%
271
Total number of days with different AQI categories in last 272 days in 2025 (93 days remaining)
Under WHO’s Safe Air Quality Limits: 100%
Health Risk Level:
Very Low
In 2025, 100% of 272 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
Deagon, Brisbane, Queensland, Australia
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
28AQI
25AQI
24AQI
23AQI
22AQI
20AQI
24AQI
19AQI
21AQI
18AQI
19AQI
18AQI
22AQI
23AQI
21AQI
25AQI
21AQI
20AQI
24AQI
23AQI
26AQI
27AQI
30AQI
29AQI
32AQI
27AQI
26AQI
23AQI
24AQI
24AQI
22AQI
21AQI
22AQI
23AQI
26AQI
25AQI
25AQI
24AQI
21AQI
22AQI
19AQI
22AQI
24AQI
26AQI
24AQI
23AQI
25AQI
28AQI
23AQI
20AQI
20AQI
21AQI
19AQI
21AQI
22AQI
21AQI
21AQI
20AQI
19AQI
22AQI
25AQI
21AQI
19AQI
19AQI
17AQI
16AQI
16AQI
16AQI
20AQI
18AQI
18AQI
18AQI
18AQI
17AQI
17AQI
28AQI
23AQI
25AQI
25AQI
22AQI
20AQI
20AQI
19AQI
18AQI
20AQI
19AQI
20AQI
20AQI
16AQI
18AQI
17AQI
17AQI
17AQI
17AQI
18AQI
20AQI
18AQI
17AQI
14AQI
15AQI
16AQI
17AQI
18AQI
15AQI
17AQI
17AQI
19AQI
21AQI
23AQI
22AQI
20AQI
18AQI
16AQI
18AQI
15AQI
16AQI
15AQI
15AQI
17AQI
19AQI
18AQI
17AQI
16AQI
17AQI
17AQI
19AQI
18AQI
19AQI
18AQI
15AQI
15AQI
15AQI
16AQI
16AQI
16AQI
18AQI
18AQI
17AQI
16AQI
16AQI
16AQI
17AQI
19AQI
18AQI
23AQI
23AQI
21AQI
17AQI
18AQI
17AQI
16AQI
16AQI
16AQI
16AQI
16AQI
17AQI
20AQI
21AQI
22AQI
18AQI
16AQI
17AQI
20AQI
21AQI
26AQI
30AQI
29AQI
36AQI
37AQI
33AQI
29AQI
27AQI
23AQI
21AQI
26AQI
22AQI
23AQI
24AQI
24AQI
20AQI
20AQI
20AQI
18AQI
17AQI
19AQI
23AQI
26AQI
23AQI
24AQI
30AQI
23AQI
22AQI
22AQI
26AQI
24AQI
33AQI
34AQI
30AQI
32AQI
27AQI
27AQI
25AQI
24AQI
25AQI
23AQI
23AQI
25AQI
21AQI
19AQI
19AQI
19AQI
19AQI
22AQI
21AQI
20AQI
22AQI
23AQI
25AQI
25AQI
23AQI
21AQI
19AQI
19AQI
21AQI
22AQI
21AQI
20AQI
23AQI
23AQI
20AQI
23AQI
20AQI
20AQI
23AQI
22AQI
28AQI
25AQI
26AQI
31AQI
28AQI
28AQI
24AQI
23AQI
25AQI
24AQI
21AQI
19AQI
27AQI
23AQI
23AQI
24AQI
24AQI
30AQI
24AQI
20AQI
21AQI
22AQI
19AQI
20AQI
24AQI
27AQI
23AQI
21AQI
20AQI
24AQI
21AQI
20AQI
28AQI
38AQI
19AQI
19AQI
24AQI
22AQI
20AQI
17AQI
17AQI
23AQI
24AQI
23AQI
23AQI
No. of days
202521AQI
Highest AQI recorded in
July24AQI
Lowest AQI recorded in
April17AQI
202423AQI
Highest AQI recorded in
September34AQI
Lowest AQI recorded in
June17AQI
202325AQI
Highest AQI recorded in
May30AQI
Lowest AQI recorded in
April20AQI
202223AQI
Highest AQI recorded in
August33AQI
Lowest AQI recorded in
October21AQI
Most & Least Polluted Years Over the Last 4 Years
Deagon's annual 2025 AQI (21) shows an average percentage change of -10.05% (improved AQI) compared to previous years: 2022 (23), 2023 (25), 2024 (23).