Central Coast, 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!
August Air Quality Analysis
Central Coast, New South Wales, Australia
AQI Trends: Highest and Lowest
Same Day Analysis (21st August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 3rd highest AQI at 15 of Good air quality, showing improvement over 2024 and 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 21st Aug - 22nd Aug 2025
Central Coast, New South Wales, Australia
6 AM21st Aug 2025
5 PM
5 AM22nd Aug 2025
18AQI
10AQI
19AQI
10AQI
In the last 24 hours,
Central Coast's AQI reached its highest point of 19 at 2 AM during the Night, while the lowest point, 10, was recorded at 6 PM during the Night between 21st Aug and 22nd Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Central Coast, New South Wales, Australia
15°C9/19°C
10°C6/16°C
11°C6/15°C
13°C10/17°C
14°C12/16°C
13°C12/16°C
13°C10/18°C
10°C9/10°C
11°C10/13°C
11°C9/13°C
13°C12/14°C
15°C14/15°C
15°C13/18°C
15°C11/20°C
13°C9/18°C
12°C9/13°C
14°C11/16°C
14°C12/16°C
12°C11/15°C
12°C10/14°C
11°C8/16°C
12°C8/18°C
12°C11/13°C
13°C10/17°C
12°C8/17°C
10°C6/15°C
10°C6/14°C
11°C8/16°C
12°C10/14°C
14°C12/14°C
--°C/°C
22AQI
15AQI
23AQI
16AQI
2025 Days Vs Air Quality
Central Coast, New South Wales, Australia
100%
233
Total number of days with different AQI categories in last 234 days in 2025 (131 days remaining)
Under WHO’s Safe Air Quality Limits: 100%
Health Risk Level:
Very Low
In 2025, 100% of 234 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
Central Coast, New South Wales, Australia
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
28AQI
29AQI
27AQI
26AQI
27AQI
33AQI
22AQI
21AQI
21AQI
20AQI
21AQI
22AQI
26AQI
26AQI
27AQI
22AQI
26AQI
30AQI
28AQI
25AQI
30AQI
35AQI
27AQI
26AQI
28AQI
29AQI
29AQI
33AQI
35AQI
24AQI
24AQI
22AQI
22AQI
21AQI
27AQI
34AQI
31AQI
30AQI
27AQI
26AQI
22AQI
21AQI
23AQI
26AQI
25AQI
25AQI
21AQI
23AQI
25AQI
23AQI
22AQI
22AQI
20AQI
22AQI
28AQI
20AQI
24AQI
23AQI
29AQI
28AQI
29AQI
25AQI
24AQI
23AQI
23AQI
20AQI
20AQI
19AQI
19AQI
17AQI
18AQI
22AQI
25AQI
32AQI
23AQI
26AQI
22AQI
25AQI
26AQI
24AQI
21AQI
19AQI
20AQI
19AQI
21AQI
21AQI
19AQI
18AQI
19AQI
18AQI
18AQI
22AQI
26AQI
31AQI
28AQI
27AQI
22AQI
21AQI
18AQI
24AQI
30AQI
25AQI
23AQI
29AQI
23AQI
24AQI
22AQI
25AQI
30AQI
27AQI
26AQI
24AQI
23AQI
19AQI
20AQI
21AQI
16AQI
17AQI
20AQI
19AQI
18AQI
19AQI
20AQI
18AQI
18AQI
19AQI
16AQI
18AQI
17AQI
16AQI
15AQI
15AQI
15AQI
17AQI
17AQI
16AQI
18AQI
16AQI
15AQI
15AQI
15AQI
16AQI
14AQI
17AQI
16AQI
17AQI
29AQI
15AQI
21AQI
19AQI
26AQI
25AQI
22AQI
22AQI
18AQI
17AQI
17AQI
16AQI
15AQI
16AQI
15AQI
15AQI
19AQI
19AQI
19AQI
22AQI
24AQI
22AQI
24AQI
28AQI
30AQI
31AQI
35AQI
30AQI
29AQI
28AQI
26AQI
25AQI
25AQI
27AQI
25AQI
22AQI
19AQI
17AQI
17AQI
21AQI
20AQI
20AQI
20AQI
22AQI
20AQI
19AQI
21AQI
21AQI
21AQI
24AQI
23AQI
23AQI
26AQI
25AQI
27AQI
27AQI
27AQI
24AQI
22AQI
23AQI
24AQI
21AQI
19AQI
19AQI
20AQI
19AQI
20AQI
21AQI
21AQI
22AQI
23AQI
23AQI
22AQI
22AQI
19AQI
19AQI
19AQI
20AQI
21AQI
19AQI
19AQI
17AQI
16AQI
17AQI
16AQI
15AQI
15AQI
27AQI
24AQI
22AQI
23AQI
18AQI
23AQI
22AQI
19AQI
No. of days
202522AQI
Highest AQI recorded in
January27AQI
Lowest AQI recorded in
May18AQI
202418AQI
Highest AQI recorded in
December29AQI
Lowest AQI recorded in
January13AQI
202315AQI
Highest AQI recorded in
September23AQI
Lowest AQI recorded in
April11AQI
202219AQI
Highest AQI recorded in
May25AQI
Lowest AQI recorded in
November11AQI
202123AQI
Highest AQI recorded in
August26AQI
Lowest AQI recorded in
June20AQI
202023AQI
Highest AQI recorded in
November27AQI
Lowest AQI recorded in
May20AQI
Most & Least Polluted Years Over the Last 6 Years
Central Coast's annual 2025 AQI (22) shows an average percentage change of 17.2% (worsened AQI) compared to previous years: 2020 (23), 2021 (23), 2022 (19), 2023 (15), 2024 (18).