Leeton, 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
Leeton, New South Wales, Australia
AQI Trends: Highest and Lowest
Same Day Analysis (30th September ):
On this day, AQI across the 4 years varied significantly: 2025 ranks 1st highest AQI at 20 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

2025 Days Vs Air Quality
Leeton, New South Wales, Australia
100%
273
Total number of days with different AQI categories in last 274 days in 2025 (91 days remaining)
Under WHO’s Safe Air Quality Limits: 100%
Health Risk Level:
Very Low
In 2025, 100% of 274 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
Leeton, New South Wales, Australia
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
25AQI
28AQI
22AQI
24AQI
22AQI
23AQI
22AQI
22AQI
22AQI
25AQI
21AQI
22AQI
23AQI
21AQI
22AQI
22AQI
22AQI
21AQI
22AQI
22AQI
22AQI
23AQI
24AQI
23AQI
23AQI
23AQI
23AQI
25AQI
29AQI
25AQI
25AQI
23AQI
24AQI
22AQI
23AQI
24AQI
23AQI
27AQI
24AQI
24AQI
24AQI
24AQI
24AQI
25AQI
24AQI
25AQI
24AQI
24AQI
24AQI
24AQI
24AQI
24AQI
24AQI
25AQI
24AQI
23AQI
23AQI
26AQI
23AQI
23AQI
23AQI
23AQI
23AQI
22AQI
23AQI
23AQI
21AQI
22AQI
21AQI
21AQI
21AQI
22AQI
18AQI
19AQI
29AQI
16AQI
21AQI
20AQI
18AQI
15AQI
15AQI
16AQI
15AQI
17AQI
19AQI
19AQI
18AQI
19AQI
17AQI
16AQI
16AQI
19AQI
20AQI
17AQI
17AQI
13AQI
14AQI
17AQI
24AQI
21AQI
25AQI
23AQI
26AQI
24AQI
23AQI
21AQI
24AQI
26AQI
22AQI
20AQI
16AQI
15AQI
16AQI
15AQI
16AQI
16AQI
15AQI
14AQI
18AQI
14AQI
16AQI
24AQI
16AQI
18AQI
16AQI
19AQI
15AQI
18AQI
21AQI
19AQI
17AQI
16AQI
17AQI
20AQI
19AQI
20AQI
19AQI
17AQI
15AQI
16AQI
17AQI
20AQI
14AQI
15AQI
13AQI
17AQI
17AQI
13AQI
16AQI
18AQI
23AQI
23AQI
26AQI
27AQI
16AQI
19AQI
15AQI
14AQI
14AQI
14AQI
14AQI
14AQI
18AQI
20AQI
21AQI
19AQI
16AQI
20AQI
20AQI
21AQI
22AQI
23AQI
32AQI
26AQI
28AQI
27AQI
26AQI
28AQI
32AQI
33AQI
29AQI
25AQI
22AQI
19AQI
18AQI
18AQI
19AQI
20AQI
19AQI
20AQI
19AQI
18AQI
20AQI
19AQI
19AQI
20AQI
22AQI
20AQI
21AQI
20AQI
20AQI
20AQI
19AQI
18AQI
18AQI
18AQI
19AQI
16AQI
16AQI
17AQI
16AQI
17AQI
20AQI
23AQI
25AQI
22AQI
22AQI
20AQI
20AQI
20AQI
18AQI
18AQI
19AQI
26AQI
18AQI
18AQI
17AQI
15AQI
14AQI
15AQI
20AQI
15AQI
13AQI
14AQI
15AQI
16AQI
18AQI
16AQI
16AQI
16AQI
15AQI
17AQI
14AQI
17AQI
15AQI
16AQI
19AQI
14AQI
15AQI
19AQI
19AQI
18AQI
17AQI
16AQI
18AQI
15AQI
16AQI
15AQI
15AQI
15AQI
15AQI
15AQI
15AQI
15AQI
15AQI
14AQI
15AQI
17AQI
16AQI
10AQI
10AQI
12AQI
20AQI
23AQI
24AQI
20AQI
19AQI
17AQI
22AQI
19AQI
18AQI
16AQI
No. of days
202520AQI
Highest AQI recorded in
February24AQI
Lowest AQI recorded in
September16AQI
202413AQI
Highest AQI recorded in
December24AQI
Lowest AQI recorded in
January8AQI
202310AQI
Highest AQI recorded in
May12AQI
Lowest AQI recorded in
July6AQI
20229AQI
Highest AQI recorded in
April14AQI
Lowest AQI recorded in
October7AQI
Most & Least Polluted Years Over the Last 4 Years
Leeton's annual 2025 AQI (20) shows an average percentage change of 94.4% (worsened AQI) compared to previous years: 2022 (9), 2023 (10), 2024 (13).