Bushfire Monitoring Coffs Harbour, Coffs Harbour, 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
Bushfire Monitoring Coffs Harbour, Coffs Harbour, New South Wales, Australia
AQI Trends: Highest and Lowest
Same Day Analysis (28th September ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 57 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 29th Sep - 30th Sep 2025
Bushfire Monitoring Coffs Harbour, Coffs Harbour, New South Wales, Australia
5 AM29th Sep 2025
5 PM
4 AM30th Sep 2025
AQI
AQI
75AQI
54AQI
In the last 24 hours,
Bushfire Monitoring Coffs Harbour's AQI reached its highest point of 75 at 5 AM during the Night, while the lowest point, 54, was recorded at 4 PM during the Night between 29th Sep and 30th Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
Bushfire Monitoring Coffs Harbour, Coffs Harbour, New South Wales, Australia
13°C8/18°C
15°C12/19°C
15°C12/18°C
16°C12/20°C
17°C12/23°C
17°C14/20°C
15°C13/18°C
16°C12/20°C
17°C13/23°C
20°C16/24°C
21°C18/24°C
16°C13/19°C
15°C12/19°C
16°C12/19°C
17°C12/21°C
17°C13/23°C
18°C14/23°C
21°C16/27°C
18°C15/21°C
19°C14/24°C
19°C15/23°C
16°C13/20°C
17°C13/20°C
15°C11/18°C
15°C11/20°C
17°C12/21°C
19°C14/25°C
20°C17/26°C
21°C17/27°C
--°C/°C
--°C/°C
28AQI
23AQI
31AQI
24AQI
2025 Days Vs Air Quality
Bushfire Monitoring Coffs Harbour, Coffs Harbour, New South Wales, Australia
99%
269
0.7%
2
Total number of days with different AQI categories in last 272 days in 2025 (93 days remaining)
Under WHO’s Safe Air Quality Limits: 99%
Health Risk Level:
Very Low
In 2025, 99% 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
Bushfire Monitoring Coffs Harbour, Coffs Harbour, New South Wales, Australia
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
22AQI
21AQI
20AQI
22AQI
19AQI
19AQI
18AQI
18AQI
19AQI
17AQI
17AQI
17AQI
18AQI
18AQI
19AQI
21AQI
17AQI
21AQI
20AQI
19AQI
21AQI
25AQI
26AQI
27AQI
22AQI
21AQI
19AQI
20AQI
22AQI
19AQI
20AQI
19AQI
18AQI
19AQI
21AQI
20AQI
22AQI
20AQI
19AQI
19AQI
18AQI
19AQI
19AQI
23AQI
20AQI
22AQI
21AQI
20AQI
20AQI
20AQI
20AQI
19AQI
18AQI
18AQI
19AQI
17AQI
19AQI
18AQI
18AQI
20AQI
20AQI
18AQI
19AQI
23AQI
20AQI
19AQI
18AQI
17AQI
17AQI
15AQI
16AQI
15AQI
16AQI
16AQI
17AQI
19AQI
18AQI
19AQI
17AQI
16AQI
16AQI
17AQI
15AQI
16AQI
20AQI
19AQI
19AQI
19AQI
16AQI
18AQI
17AQI
18AQI
17AQI
19AQI
19AQI
21AQI
17AQI
16AQI
15AQI
15AQI
16AQI
16AQI
17AQI
17AQI
17AQI
18AQI
19AQI
24AQI
26AQI
27AQI
24AQI
20AQI
19AQI
19AQI
17AQI
16AQI
14AQI
14AQI
14AQI
15AQI
15AQI
15AQI
15AQI
15AQI
16AQI
17AQI
20AQI
20AQI
18AQI
17AQI
16AQI
16AQI
16AQI
16AQI
16AQI
18AQI
17AQI
16AQI
15AQI
16AQI
16AQI
16AQI
17AQI
17AQI
17AQI
18AQI
21AQI
18AQI
17AQI
17AQI
16AQI
16AQI
17AQI
16AQI
16AQI
17AQI
18AQI
18AQI
19AQI
17AQI
16AQI
17AQI
20AQI
19AQI
23AQI
22AQI
22AQI
26AQI
24AQI
25AQI
25AQI
25AQI
37AQI
25AQI
23AQI
19AQI
19AQI
18AQI
21AQI
21AQI
19AQI
17AQI
16AQI
16AQI
19AQI
20AQI
19AQI
18AQI
20AQI
20AQI
20AQI
21AQI
25AQI
24AQI
25AQI
25AQI
25AQI
26AQI
23AQI
24AQI
22AQI
22AQI
20AQI
20AQI
20AQI
20AQI
23AQI
19AQI
18AQI
18AQI
20AQI
18AQI
21AQI
20AQI
21AQI
21AQI
21AQI
25AQI
24AQI
20AQI
19AQI
17AQI
17AQI
19AQI
20AQI
19AQI
19AQI
19AQI
18AQI
18AQI
17AQI
16AQI
17AQI
17AQI
19AQI
22AQI
20AQI
24AQI
23AQI
20AQI
18AQI
18AQI
18AQI
20AQI
21AQI
20AQI
22AQI
23AQI
20AQI
20AQI
21AQI
26AQI
23AQI
19AQI
19AQI
19AQI
21AQI
20AQI
22AQI
29AQI
23AQI
27AQI
21AQI
20AQI
21AQI
19AQI
19AQI
26AQI
46AQI
63AQI
57AQI
20AQI
19AQI
18AQI
18AQI
17AQI
21AQI
21AQI
20AQI
25AQI
No. of days
202520AQI
Highest AQI recorded in
September25AQI
Lowest AQI recorded in
May17AQI
202420AQI
Highest AQI recorded in
September30AQI
Lowest AQI recorded in
January13AQI
202320AQI
Highest AQI recorded in
October31AQI
Lowest AQI recorded in
January11AQI
202216AQI
Highest AQI recorded in
September20AQI
Lowest AQI recorded in
April14AQI
202118AQI
Highest AQI recorded in
September24AQI
Lowest AQI recorded in
February14AQI
202022AQI
Highest AQI recorded in
August26AQI
Lowest AQI recorded in
May15AQI
Most & Least Polluted Years Over the Last 6 Years
Bushfire Monitoring Coffs Harbour's annual 2025 AQI (20) shows an average percentage change of 2.4% (worsened AQI) compared to previous years: 2020 (22), 2021 (18), 2022 (16), 2023 (20), 2024 (20).