Melbourn, Victoria, 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
Melbourn, Victoria, Australia
AQI Trends: Highest and Lowest
Same Day Analysis (29th September):
On this day, AQI across the 5 years varied significantly: 2026 ranks 1st highest AQI at 32 of Good air quality on the same day.
Day & Night AQI Trend: 29th Sep - 30th Sep 2026
Melbourn, Victoria, Australia
6 AM29th Sep 2026
6 PM
5 AM30th Sep 2026
41AQI
23AQI
45AQI
31AQI
In the last 24 hours,
Melbourn's AQI reached its highest point of 45 at 8 PM during the Night, while the lowest point, 23, was recorded at 6 PM during the Day between 29th Sep and 30th Sep 2026.
Day & Night AQI Trend : Sep 2026
Melbourn, Victoria, Australia
15°C11/20°C
14°C10/19°C
10°C8/15°C
11°C6/17°C
14°C11/18°C
14°C11/18°C
11°C8/13°C
10°C5/17°C
10°C8/13°C
11°C8/14°C
11°C7/17°C
14°C8/21°C
17°C12/22°C
16°C14/19°C
11°C8/14°C
10°C8/12°C
10°C7/15°C
14°C7/23°C
18°C11/26°C
19°C13/27°C
11°C8/15°C
10°C5/16°C
12°C5/20°C
17°C9/25°C
19°C15/26°C
12°C9/14°C
11°C7/17°C
11°C5/17°C
17°C10/23°C
20°C16/24°C
36AQI
30AQI
32AQI
30AQI
2026 Days Vs Air Quality
Melbourn, Victoria, Australia
93%
250
7%
19
Total number of days with different AQI categories in last 273 days in 2026 (92 days remaining)
Under WHO’s Safe Air Quality Limits: 93%
Health Risk Level:
Very Low
In 2026, 93% of 273 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
Melbourn, Victoria, Australia
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
26AQI (US)
16AQI (US)
17AQI (US)
17AQI (US)
19AQI (US)
21AQI (US)
30AQI (US)
24AQI (US)
28AQI (US)
27AQI (US)
16AQI (US)
17AQI (US)
26AQI (US)
27AQI (US)
26AQI (US)
16AQI (US)
16AQI (US)
19AQI (US)
22AQI (US)
17AQI (US)
21AQI (US)
24AQI (US)
39AQI (US)
34AQI (US)
46AQI (US)
27AQI (US)
35AQI (US)
47AQI (US)
29AQI (US)
44AQI (US)
39AQI (US)
17AQI (US)
22AQI (US)
35AQI (US)
37AQI (US)
31AQI (US)
36AQI (US)
31AQI (US)
29AQI (US)
32AQI (US)
25AQI (US)
39AQI (US)
21AQI (US)
24AQI (US)
29AQI (US)
40AQI (US)
32AQI (US)
35AQI (US)
28AQI (US)
29AQI (US)
23AQI (US)
35AQI (US)
33AQI (US)
33AQI (US)
36AQI (US)
33AQI (US)
27AQI (US)
38AQI (US)
31AQI (US)
30AQI (US)
30AQI (US)
32AQI (US)
38AQI (US)
33AQI (US)
35AQI (US)
32AQI (US)
33AQI (US)
26AQI (US)
35AQI (US)
34AQI (US)
23AQI (US)
22AQI (US)
26AQI (US)
25AQI (US)
34AQI (US)
25AQI (US)
18AQI (US)
23AQI (US)
23AQI (US)
33AQI (US)
33AQI (US)
54AQI (US)
34AQI (US)
14AQI (US)
25AQI (US)
19AQI (US)
27AQI (US)
19AQI (US)
25AQI (US)
26AQI (US)
20AQI (US)
22AQI (US)
25AQI (US)
27AQI (US)
21AQI (US)
24AQI (US)
14AQI (US)
24AQI (US)
26AQI (US)
25AQI (US)
30AQI (US)
31AQI (US)
24AQI (US)
31AQI (US)
29AQI (US)
19AQI (US)
20AQI (US)
43AQI (US)
34AQI (US)
32AQI (US)
31AQI (US)
49AQI (US)
40AQI (US)
27AQI (US)
17AQI (US)
39AQI (US)
24AQI (US)
54AQI (US)
39AQI (US)
31AQI (US)
27AQI (US)
21AQI (US)
20AQI (US)
23AQI (US)
26AQI (US)
24AQI (US)
26AQI (US)
43AQI (US)
66AQI (US)
44AQI (US)
28AQI (US)
24AQI (US)
69AQI (US)
66AQI (US)
57AQI (US)
61AQI (US)
66AQI (US)
51AQI (US)
38AQI (US)
60AQI (US)
59AQI (US)
48AQI (US)
33AQI (US)
20AQI (US)
22AQI (US)
25AQI (US)
23AQI (US)
25AQI (US)
24AQI (US)
29AQI (US)
27AQI (US)
25AQI (US)
22AQI (US)
22AQI (US)
21AQI (US)
28AQI (US)
20AQI (US)
13AQI (US)
23AQI (US)
18AQI (US)
22AQI (US)
21AQI (US)
29AQI (US)
19AQI (US)
13AQI (US)
26AQI (US)
25AQI (US)
22AQI (US)
23AQI (US)
40AQI (US)
28AQI (US)
21AQI (US)
55AQI (US)
60AQI (US)
63AQI (US)
51AQI (US)
25AQI (US)
11AQI (US)
17AQI (US)
22AQI (US)
23AQI (US)
22AQI (US)
19AQI (US)
44AQI (US)
56AQI (US)
73AQI (US)
69AQI (US)
45AQI (US)
18AQI (US)
18AQI (US)
20AQI (US)
21AQI (US)
22AQI (US)
13AQI (US)
29AQI (US)
33AQI (US)
36AQI (US)
26AQI (US)
30AQI (US)
34AQI (US)
35AQI (US)
29AQI (US)
29AQI (US)
33AQI (US)
26AQI (US)
33AQI (US)
30AQI (US)
32AQI (US)
34AQI (US)
41AQI (US)
31AQI (US)
28AQI (US)
31AQI (US)
28AQI (US)
29AQI (US)
36AQI (US)
29AQI (US)
24AQI (US)
26AQI (US)
33AQI (US)
35AQI (US)
33AQI (US)
31AQI (US)
35AQI (US)
48AQI (US)
64AQI (US)
41AQI (US)
25AQI (US)
34AQI (US)
40AQI (US)
37AQI (US)
35AQI (US)
25AQI (US)
30AQI (US)
29AQI (US)
30AQI (US)
32AQI (US)
34AQI (US)
30AQI (US)
33AQI (US)
28AQI (US)
30AQI (US)
31AQI (US)
28AQI (US)
34AQI (US)
36AQI (US)
25AQI (US)
29AQI (US)
31AQI (US)
28AQI (US)
39AQI (US)
39AQI (US)
28AQI (US)
32AQI (US)
30AQI (US)
28AQI (US)
31AQI (US)
33AQI (US)
41AQI (US)
39AQI (US)
33AQI (US)
34AQI (US)
37AQI (US)
37AQI (US)
26AQI (US)
31AQI (US)
33AQI (US)
34AQI (US)
32AQI (US)
26AQI (US)
31AQI (US)
29AQI (US)
29AQI (US)
39AQI (US)
28AQI (US)
31AQI (US)
33AQI (US)
32AQI (US)
No. of days
202631AQI (US)
Highest AQI (US) recorded in
May39AQI (US)
Lowest AQI (US) recorded in
January26AQI (US)
202525AQI (US)
Highest AQI (US) recorded in
October36AQI (US)
Lowest AQI (US) recorded in
September19AQI (US)
202427AQI (US)
Highest AQI (US) recorded in
May41AQI (US)
Lowest AQI (US) recorded in
October23AQI (US)
202324AQI (US)
Highest AQI (US) recorded in
April27AQI (US)
Lowest AQI (US) recorded in
March20AQI (US)
202226AQI (US)
Highest AQI (US) recorded in
July32AQI (US)
Lowest AQI (US) recorded in
November20AQI (US)
202127AQI (US)
Highest AQI (US) recorded in
May32AQI (US)
Lowest AQI (US) recorded in
February23AQI (US)
202028AQI (US)
Highest AQI (US) recorded in
July35AQI (US)
Lowest AQI (US) recorded in
December23AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Melbourn's annual 2026 AQI (US) (31) shows an average percentage change of 18.7% (worsened AQI (US)) compared to previous years: 2020 (28), 2021 (27), 2022 (26), 2023 (24), 2024 (27), 2025 (25).