South East LLS Merimbula, Merimbula, New South Wales, 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
South East LLS Merimbula, Merimbula, New South Wales, 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 9 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
South East LLS Merimbula, Merimbula, New South Wales, Australia
6 AM28th Sep 2025
5 PM
5 AM29th Sep 2025
15AQI
7AQI
17AQI
11AQI
In the last 24 hours,
South East LLS Merimbula's AQI reached its highest point of 17 at 4 AM during the Night, while the lowest point, 7, was recorded at 5 PM during the Day between 28th Sep and 29th Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
South East LLS Merimbula, Merimbula, New South Wales, Australia
9°C7/11°C
13°C9/18°C
11°C8/16°C
12°C8/18°C
13°C8/20°C
13°C9/19°C
10°C6/15°C
12°C7/18°C
16°C11/21°C
17°C12/24°C
14°C10/18°C
11°C9/14°C
12°C9/15°C
12°C7/18°C
12°C8/18°C
13°C9/18°C
15°C10/21°C
18°C13/23°C
14°C9/20°C
11°C6/16°C
15°C8/20°C
13°C8/17°C
13°C8/19°C
12°C8/16°C
13°C8/19°C
13°C8/20°C
14°C9/20°C
17°C10/24°C
15°C10/22°C
13°C10/17°C
--°C/°C
20AQI
17AQI
22AQI
18AQI
2025 Days Vs Air Quality
South East LLS Merimbula, Merimbula, New South Wales, 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
South East LLS Merimbula, Merimbula, New South Wales, Australia
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
28AQI
22AQI
23AQI
22AQI
22AQI
22AQI
20AQI
20AQI
19AQI
19AQI
19AQI
20AQI
20AQI
20AQI
24AQI
19AQI
21AQI
19AQI
20AQI
19AQI
20AQI
20AQI
21AQI
20AQI
20AQI
20AQI
23AQI
23AQI
21AQI
21AQI
20AQI
20AQI
20AQI
20AQI
21AQI
26AQI
23AQI
30AQI
24AQI
23AQI
21AQI
21AQI
20AQI
24AQI
22AQI
20AQI
19AQI
21AQI
19AQI
19AQI
19AQI
21AQI
20AQI
22AQI
20AQI
19AQI
20AQI
21AQI
20AQI
21AQI
20AQI
20AQI
19AQI
19AQI
19AQI
19AQI
19AQI
19AQI
18AQI
19AQI
18AQI
20AQI
22AQI
19AQI
20AQI
13AQI
16AQI
16AQI
22AQI
16AQI
16AQI
16AQI
15AQI
20AQI
21AQI
19AQI
17AQI
17AQI
16AQI
16AQI
16AQI
21AQI
19AQI
20AQI
20AQI
14AQI
16AQI
13AQI
14AQI
20AQI
26AQI
21AQI
31AQI
23AQI
21AQI
16AQI
21AQI
23AQI
42AQI
24AQI
24AQI
18AQI
17AQI
17AQI
18AQI
19AQI
16AQI
17AQI
15AQI
13AQI
16AQI
20AQI
17AQI
18AQI
18AQI
20AQI
19AQI
18AQI
17AQI
17AQI
17AQI
18AQI
16AQI
18AQI
20AQI
22AQI
26AQI
19AQI
19AQI
19AQI
16AQI
16AQI
17AQI
17AQI
17AQI
20AQI
34AQI
16AQI
20AQI
21AQI
23AQI
23AQI
27AQI
18AQI
17AQI
15AQI
16AQI
17AQI
22AQI
15AQI
13AQI
17AQI
20AQI
20AQI
22AQI
23AQI
28AQI
25AQI
24AQI
25AQI
27AQI
28AQI
25AQI
22AQI
31AQI
28AQI
28AQI
26AQI
28AQI
26AQI
25AQI
24AQI
22AQI
21AQI
24AQI
22AQI
23AQI
22AQI
22AQI
22AQI
21AQI
18AQI
20AQI
22AQI
23AQI
24AQI
22AQI
21AQI
21AQI
21AQI
23AQI
23AQI
22AQI
22AQI
20AQI
21AQI
19AQI
20AQI
18AQI
20AQI
20AQI
20AQI
19AQI
24AQI
28AQI
23AQI
25AQI
24AQI
28AQI
23AQI
23AQI
21AQI
20AQI
20AQI
22AQI
18AQI
18AQI
17AQI
18AQI
22AQI
17AQI
17AQI
16AQI
18AQI
18AQI
19AQI
17AQI
20AQI
19AQI
18AQI
16AQI
19AQI
18AQI
21AQI
20AQI
18AQI
20AQI
23AQI
19AQI
21AQI
20AQI
20AQI
20AQI
18AQI
18AQI
19AQI
18AQI
19AQI
18AQI
19AQI
17AQI
20AQI
27AQI
29AQI
29AQI
27AQI
24AQI
18AQI
12AQI
11AQI
9AQI
21AQI
21AQI
18AQI
20AQI
19AQI
23AQI
21AQI
20AQI
20AQI
No. of days
202520AQI
Highest AQI recorded in
June23AQI
Lowest AQI recorded in
March18AQI
202416AQI
Highest AQI recorded in
March28AQI
Lowest AQI recorded in
September8AQI
202313AQI
Highest AQI recorded in
April20AQI
Lowest AQI recorded in
August8AQI
202214AQI
Highest AQI recorded in
February21AQI
Lowest AQI recorded in
May9AQI
Most & Least Polluted Years Over the Last 4 Years
South East LLS Merimbula's annual 2025 AQI (20) shows an average percentage change of 41.04% (worsened AQI) compared to previous years: 2022 (14), 2023 (13), 2024 (16).