Brisbane, Queensland, 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
Brisbane, Queensland, Australia
AQI Trends: Highest and Lowest
Same Day Analysis (2nd October):
On this day, AQI across the 5 years varied significantly: 2026 ranks 3rd highest AQI at 28 of Good air quality, showing improvement over 2025 and 2024 on the same day.
Day & Night AQI Trend: 2nd Oct - 3rd Oct 2026
Brisbane, Queensland, Australia
5 AM2nd Oct 2026
5 PM
4 AM3rd Oct 2026
39AQI
24AQI
36AQI
20AQI
In the last 24 hours,
Brisbane's AQI reached its highest point of 39 at 1 PM during the Day, while the lowest point, 20, was recorded at 6 PM during the Night between 2nd Oct and 3rd Oct 2026.
Day & Night AQI Trend : Sep - Oct 2026
Brisbane, Queensland, Australia
23°C18/32°C
22°C17/30°C
25°C19/34°C
20°C16/25°C
20°C16/26°C
18°C13/25°C
18°C16/22°C
18°C15/22°C
17°C14/21°C
18°C13/23°C
18°C13/24°C
19°C14/26°C
18°C15/23°C
17°C12/22°C
18°C13/25°C
21°C14/31°C
21°C15/29°C
22°C16/31°C
21°C17/27°C
21°C17/25°C
20°C17/24°C
19°C16/24°C
19°C15/24°C
20°C14/27°C
19°C15/22°C
18°C16/22°C
17°C13/23°C
19°C16/25°C
19°C14/25°C
20°C15/25°C
34AQI
30AQI
32AQI
27AQI
2026 Days Vs Air Quality
Brisbane, Queensland, Australia
96%
262
4%
10
Total number of days with different AQI categories in last 276 days in 2026 (89 days remaining)
Under WHO’s Safe Air Quality Limits: 96%
Health Risk Level:
Very Low
In 2026, 96% of 276 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
Brisbane, Queensland, Australia
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
15AQI (US)
11AQI (US)
12AQI (US)
13AQI (US)
17AQI (US)
21AQI (US)
17AQI (US)
21AQI (US)
23AQI (US)
27AQI (US)
27AQI (US)
24AQI (US)
19AQI (US)
24AQI (US)
22AQI (US)
20AQI (US)
24AQI (US)
21AQI (US)
21AQI (US)
26AQI (US)
18AQI (US)
24AQI (US)
43AQI (US)
31AQI (US)
37AQI (US)
27AQI (US)
30AQI (US)
28AQI (US)
28AQI (US)
31AQI (US)
34AQI (US)
28AQI (US)
34AQI (US)
33AQI (US)
30AQI (US)
30AQI (US)
31AQI (US)
27AQI (US)
22AQI (US)
28AQI (US)
12AQI (US)
21AQI (US)
28AQI (US)
32AQI (US)
34AQI (US)
35AQI (US)
30AQI (US)
26AQI (US)
21AQI (US)
23AQI (US)
20AQI (US)
28AQI (US)
29AQI (US)
32AQI (US)
34AQI (US)
30AQI (US)
27AQI (US)
37AQI (US)
32AQI (US)
30AQI (US)
46AQI (US)
30AQI (US)
37AQI (US)
35AQI (US)
34AQI (US)
33AQI (US)
33AQI (US)
26AQI (US)
29AQI (US)
33AQI (US)
33AQI (US)
32AQI (US)
28AQI (US)
25AQI (US)
26AQI (US)
28AQI (US)
29AQI (US)
22AQI (US)
25AQI (US)
21AQI (US)
22AQI (US)
22AQI (US)
28AQI (US)
28AQI (US)
28AQI (US)
22AQI (US)
31AQI (US)
38AQI (US)
31AQI (US)
25AQI (US)
28AQI (US)
29AQI (US)
23AQI (US)
25AQI (US)
23AQI (US)
22AQI (US)
26AQI (US)
16AQI (US)
17AQI (US)
23AQI (US)
28AQI (US)
32AQI (US)
28AQI (US)
32AQI (US)
29AQI (US)
49AQI (US)
31AQI (US)
25AQI (US)
34AQI (US)
37AQI (US)
32AQI (US)
35AQI (US)
34AQI (US)
36AQI (US)
33AQI (US)
24AQI (US)
6AQI (US)
12AQI (US)
32AQI (US)
28AQI (US)
25AQI (US)
24AQI (US)
26AQI (US)
22AQI (US)
24AQI (US)
22AQI (US)
19AQI (US)
13AQI (US)
29AQI (US)
26AQI (US)
28AQI (US)
26AQI (US)
69AQI (US)
66AQI (US)
57AQI (US)
60AQI (US)
67AQI (US)
54AQI (US)
48AQI (US)
64AQI (US)
61AQI (US)
52AQI (US)
34AQI (US)
24AQI (US)
25AQI (US)
23AQI (US)
22AQI (US)
24AQI (US)
22AQI (US)
30AQI (US)
29AQI (US)
12AQI (US)
7AQI (US)
9AQI (US)
21AQI (US)
20AQI (US)
23AQI (US)
21AQI (US)
24AQI (US)
22AQI (US)
23AQI (US)
22AQI (US)
22AQI (US)
24AQI (US)
26AQI (US)
12AQI (US)
10AQI (US)
22AQI (US)
20AQI (US)
15AQI (US)
8AQI (US)
8AQI (US)
9AQI (US)
20AQI (US)
27AQI (US)
26AQI (US)
24AQI (US)
10AQI (US)
11AQI (US)
23AQI (US)
24AQI (US)
24AQI (US)
8AQI (US)
7AQI (US)
21AQI (US)
21AQI (US)
19AQI (US)
24AQI (US)
14AQI (US)
22AQI (US)
14AQI (US)
13AQI (US)
22AQI (US)
22AQI (US)
24AQI (US)
30AQI (US)
26AQI (US)
27AQI (US)
31AQI (US)
27AQI (US)
27AQI (US)
28AQI (US)
26AQI (US)
31AQI (US)
34AQI (US)
26AQI (US)
25AQI (US)
25AQI (US)
23AQI (US)
25AQI (US)
25AQI (US)
27AQI (US)
24AQI (US)
24AQI (US)
33AQI (US)
46AQI (US)
47AQI (US)
44AQI (US)
20AQI (US)
20AQI (US)
27AQI (US)
23AQI (US)
32AQI (US)
34AQI (US)
26AQI (US)
27AQI (US)
25AQI (US)
29AQI (US)
32AQI (US)
28AQI (US)
31AQI (US)
38AQI (US)
23AQI (US)
25AQI (US)
28AQI (US)
26AQI (US)
23AQI (US)
29AQI (US)
28AQI (US)
25AQI (US)
25AQI (US)
25AQI (US)
36AQI (US)
41AQI (US)
47AQI (US)
56AQI (US)
38AQI (US)
36AQI (US)
24AQI (US)
24AQI (US)
26AQI (US)
28AQI (US)
26AQI (US)
29AQI (US)
28AQI (US)
26AQI (US)
26AQI (US)
28AQI (US)
25AQI (US)
28AQI (US)
32AQI (US)
44AQI (US)
32AQI (US)
26AQI (US)
24AQI (US)
24AQI (US)
25AQI (US)
28AQI (US)
30AQI (US)
26AQI (US)
26AQI (US)
28AQI (US)
24AQI (US)
28AQI (US)
29AQI (US)
27AQI (US)
36AQI (US)
19AQI (US)
23AQI (US)
29AQI (US)
30AQI (US)
27AQI (US)
No. of days
202627AQI (US)
Highest AQI (US) recorded in
May36AQI (US)
Lowest AQI (US) recorded in
June19AQI (US)
202523AQI (US)
Highest AQI (US) recorded in
October30AQI (US)
Lowest AQI (US) recorded in
May19AQI (US)
202423AQI (US)
Highest AQI (US) recorded in
September36AQI (US)
Lowest AQI (US) recorded in
July17AQI (US)
202327AQI (US)
Highest AQI (US) recorded in
May33AQI (US)
Lowest AQI (US) recorded in
February22AQI (US)
202225AQI (US)
Highest AQI (US) recorded in
August34AQI (US)
Lowest AQI (US) recorded in
April23AQI (US)
202125AQI (US)
Highest AQI (US) recorded in
August30AQI (US)
Lowest AQI (US) recorded in
November20AQI (US)
202027AQI (US)
Highest AQI (US) recorded in
November35AQI (US)
Lowest AQI (US) recorded in
March23AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Brisbane's annual 2026 AQI (US) (27) shows an average percentage change of 8.4% (worsened AQI (US)) compared to previous years: 2020 (27), 2021 (25), 2022 (25), 2023 (27), 2024 (23), 2025 (23).