North Parramatta Sydney North West, Wentworthville, 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!
October Air Quality Analysis
North Parramatta Sydney North West, Wentworthville, New South Wales, Australia
AQI Trends: Highest and Lowest
Same Day Analysis (28th October ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 3rd highest AQI at 26 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: 29th Oct - 30th Oct 2025
North Parramatta Sydney North West, Wentworthville, New South Wales, Australia
6 AM29th Oct 2025
7 PM
5 AM30th Oct 2025
AQI
AQI
45AQI
12AQI
In the last 24 hours,
North Parramatta Sydney North West's AQI reached its highest point of 45 at 2 PM during the Night, while the lowest point, undefined, was recorded at 5 AM during the Night between 29th Oct and 30th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
North Parramatta Sydney North West, Wentworthville, New South Wales, Australia
22°C14/31°C
21°C15/26°C
17°C12/25°C
17°C10/25°C
17°C11/24°C
21°C12/32°C
22°C16/31°C
19°C15/24°C
24°C15/32°C
24°C20/29°C
23°C16/31°C
23°C15/30°C
21°C15/31°C
17°C11/25°C
18°C10/28°C
20°C12/29°C
22°C14/32°C
24°C17/35°C
19°C16/25°C
20°C13/29°C
26°C16/38°C
20°C17/25°C
27°C17/39°C
19°C16/22°C
18°C12/27°C
18°C12/26°C
21°C14/29°C
18°C14/25°C
14°C12/16°C
--°C/°C
--°C/°C
40AQI
35AQI
42AQI
34AQI
2025 Days Vs Air Quality
North Parramatta Sydney North West, Wentworthville, New South Wales, Australia
100%
300
0.3%
1
Total number of days with different AQI categories in last 302 days in 2025 (63 days remaining)
Under WHO’s Safe Air Quality Limits: 100%
Health Risk Level:
Very Low
In 2025, 100% of 302 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
North Parramatta Sydney North West, Wentworthville, New South Wales, Australia
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
28AQI
27AQI
25AQI
26AQI
29AQI
34AQI
24AQI
24AQI
21AQI
20AQI
19AQI
21AQI
26AQI
28AQI
27AQI
22AQI
25AQI
25AQI
23AQI
24AQI
30AQI
33AQI
27AQI
25AQI
26AQI
25AQI
28AQI
34AQI
30AQI
27AQI
24AQI
22AQI
21AQI
21AQI
28AQI
33AQI
32AQI
28AQI
26AQI
25AQI
23AQI
25AQI
28AQI
24AQI
27AQI
23AQI
22AQI
26AQI
25AQI
25AQI
22AQI
23AQI
20AQI
23AQI
27AQI
22AQI
26AQI
24AQI
32AQI
47AQI
29AQI
33AQI
24AQI
26AQI
22AQI
20AQI
20AQI
20AQI
20AQI
18AQI
19AQI
23AQI
30AQI
38AQI
26AQI
29AQI
25AQI
31AQI
28AQI
31AQI
22AQI
23AQI
21AQI
20AQI
22AQI
21AQI
19AQI
18AQI
18AQI
17AQI
18AQI
21AQI
25AQI
31AQI
26AQI
25AQI
25AQI
23AQI
21AQI
22AQI
39AQI
29AQI
29AQI
33AQI
23AQI
24AQI
22AQI
24AQI
29AQI
23AQI
26AQI
20AQI
23AQI
20AQI
22AQI
23AQI
16AQI
20AQI
22AQI
17AQI
17AQI
16AQI
18AQI
18AQI
18AQI
19AQI
17AQI
21AQI
18AQI
17AQI
18AQI
18AQI
19AQI
20AQI
19AQI
19AQI
21AQI
16AQI
16AQI
16AQI
16AQI
16AQI
14AQI
17AQI
19AQI
19AQI
40AQI
17AQI
22AQI
22AQI
26AQI
28AQI
30AQI
31AQI
24AQI
22AQI
29AQI
21AQI
18AQI
17AQI
19AQI
22AQI
24AQI
21AQI
23AQI
27AQI
28AQI
28AQI
30AQI
33AQI
39AQI
38AQI
39AQI
34AQI
30AQI
27AQI
27AQI
25AQI
28AQI
35AQI
31AQI
23AQI
19AQI
18AQI
19AQI
25AQI
23AQI
22AQI
24AQI
23AQI
22AQI
20AQI
25AQI
25AQI
24AQI
26AQI
26AQI
30AQI
30AQI
31AQI
29AQI
31AQI
29AQI
24AQI
24AQI
24AQI
22AQI
20AQI
18AQI
20AQI
21AQI
20AQI
20AQI
20AQI
19AQI
21AQI
21AQI
23AQI
23AQI
22AQI
19AQI
18AQI
19AQI
20AQI
22AQI
20AQI
19AQI
17AQI
16AQI
16AQI
17AQI
17AQI
16AQI
17AQI
17AQI
19AQI
19AQI
22AQI
19AQI
18AQI
16AQI
17AQI
18AQI
20AQI
19AQI
20AQI
20AQI
24AQI
20AQI
24AQI
22AQI
21AQI
22AQI
20AQI
20AQI
20AQI
21AQI
19AQI
22AQI
19AQI
21AQI
21AQI
17AQI
18AQI
20AQI
17AQI
19AQI
26AQI
31AQI
24AQI
29AQI
22AQI
33AQI
22AQI
34AQI
38AQI
40AQI
49AQI
49AQI
38AQI
39AQI
42AQI
43AQI
26AQI
34AQI
43AQI
40AQI
50AQI
48AQI
45AQI
39AQI
44AQI
50AQI
56AQI
42AQI
29AQI
37AQI
26AQI
28AQI
25AQI
26AQI
26AQI
25AQI
25AQI
24AQI
19AQI
28AQI
24AQI
19AQI
22AQI
39AQI
No. of days
202525AQI
Highest AQI recorded in
October39AQI
Lowest AQI recorded in
August19AQI
202426AQI
Highest AQI recorded in
December30AQI
Lowest AQI recorded in
January21AQI
202327AQI
Highest AQI recorded in
September35AQI
Lowest AQI recorded in
April20AQI
202222AQI
Highest AQI recorded in
June29AQI
Lowest AQI recorded in
March19AQI
202126AQI
Highest AQI recorded in
April33AQI
Lowest AQI recorded in
November21AQI
202028AQI
Highest AQI recorded in
August34AQI
Lowest AQI recorded in
March19AQI
Most & Least Polluted Years Over the Last 6 Years
North Parramatta Sydney North West's annual 2025 AQI (25) shows an average percentage change of -3.6% (improved AQI) compared to previous years: 2020 (28), 2021 (26), 2022 (22), 2023 (27), 2024 (26).