Mount Isa, Queensland, 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
Mount Isa, Queensland, Australia
AQI Trends: Highest and Lowest
Same Day Analysis (28th September):
On this day, AQI across the 5 years varied significantly: 2026 ranks 1st highest AQI at 42 of Good air quality on the same day.
Day & Night AQI Trend: 27th Sep - 28th Sep 2026
Mount Isa, Queensland, Australia
6 AM27th Sep 2026
6 PM
5 AM28th Sep 2026
54AQI
33AQI
52AQI
31AQI
In the last 24 hours,
Mount Isa's AQI reached its highest point of 54 at 3 PM during the Day, while the lowest point, 31, was recorded at 5 AM during the Night between 27th Sep and 28th Sep 2026.
Day & Night AQI Trend : Aug - Sep 2026
Mount Isa, Queensland, Australia
23°C17/26°C
22°C17/25°C
23°C17/26°C
24°C19/27°C
25°C22/28°C
26°C20/29°C
27°C23/31°C
28°C23/31°C
28°C24/32°C
27°C21/31°C
26°C20/31°C
25°C19/30°C
25°C20/28°C
25°C20/28°C
26°C21/30°C
26°C21/29°C
26°C21/30°C
26°C21/30°C
23°C16/28°C
24°C20/28°C
24°C19/28°C
25°C19/29°C
26°C21/30°C
26°C21/30°C
26°C20/30°C
25°C20/28°C
24°C19/27°C
25°C20/28°C
25°C21/29°C
26°C22/30°C
43AQI
35AQI
42AQI
39AQI
2026 Days Vs Air Quality
Mount Isa, Queensland, Australia
95%
254
5%
14
Total number of days with different AQI categories in last 271 days in 2026 (94 days remaining)
Under WHO’s Safe Air Quality Limits: 95%
Health Risk Level:
Very Low
In 2026, 95% of 271 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
Mount Isa, Queensland, Australia
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
21AQI (US)
17AQI (US)
12AQI (US)
12AQI (US)
15AQI (US)
24AQI (US)
25AQI (US)
24AQI (US)
21AQI (US)
20AQI (US)
28AQI (US)
23AQI (US)
20AQI (US)
17AQI (US)
12AQI (US)
25AQI (US)
25AQI (US)
22AQI (US)
24AQI (US)
31AQI (US)
20AQI (US)
23AQI (US)
38AQI (US)
25AQI (US)
34AQI (US)
24AQI (US)
18AQI (US)
24AQI (US)
22AQI (US)
30AQI (US)
31AQI (US)
20AQI (US)
25AQI (US)
20AQI (US)
9AQI (US)
11AQI (US)
16AQI (US)
18AQI (US)
18AQI (US)
28AQI (US)
31AQI (US)
38AQI (US)
24AQI (US)
34AQI (US)
32AQI (US)
25AQI (US)
16AQI (US)
22AQI (US)
16AQI (US)
22AQI (US)
22AQI (US)
31AQI (US)
26AQI (US)
20AQI (US)
15AQI (US)
29AQI (US)
21AQI (US)
38AQI (US)
31AQI (US)
30AQI (US)
44AQI (US)
22AQI (US)
34AQI (US)
32AQI (US)
37AQI (US)
15AQI (US)
7AQI (US)
30AQI (US)
29AQI (US)
31AQI (US)
33AQI (US)
31AQI (US)
28AQI (US)
24AQI (US)
24AQI (US)
24AQI (US)
27AQI (US)
25AQI (US)
25AQI (US)
23AQI (US)
20AQI (US)
26AQI (US)
22AQI (US)
28AQI (US)
26AQI (US)
21AQI (US)
28AQI (US)
29AQI (US)
21AQI (US)
9AQI (US)
28AQI (US)
20AQI (US)
17AQI (US)
27AQI (US)
24AQI (US)
22AQI (US)
29AQI (US)
21AQI (US)
28AQI (US)
27AQI (US)
31AQI (US)
32AQI (US)
27AQI (US)
33AQI (US)
18AQI (US)
23AQI (US)
19AQI (US)
28AQI (US)
32AQI (US)
35AQI (US)
34AQI (US)
36AQI (US)
32AQI (US)
25AQI (US)
33AQI (US)
25AQI (US)
23AQI (US)
26AQI (US)
27AQI (US)
34AQI (US)
16AQI (US)
17AQI (US)
22AQI (US)
22AQI (US)
15AQI (US)
24AQI (US)
19AQI (US)
29AQI (US)
30AQI (US)
31AQI (US)
30AQI (US)
29AQI (US)
72AQI (US)
66AQI (US)
56AQI (US)
59AQI (US)
67AQI (US)
54AQI (US)
54AQI (US)
64AQI (US)
61AQI (US)
53AQI (US)
36AQI (US)
18AQI (US)
20AQI (US)
10AQI (US)
31AQI (US)
16AQI (US)
15AQI (US)
25AQI (US)
21AQI (US)
16AQI (US)
13AQI (US)
14AQI (US)
17AQI (US)
21AQI (US)
16AQI (US)
16AQI (US)
16AQI (US)
17AQI (US)
24AQI (US)
22AQI (US)
22AQI (US)
20AQI (US)
21AQI (US)
18AQI (US)
22AQI (US)
14AQI (US)
20AQI (US)
19AQI (US)
21AQI (US)
19AQI (US)
18AQI (US)
24AQI (US)
22AQI (US)
21AQI (US)
24AQI (US)
18AQI (US)
18AQI (US)
18AQI (US)
24AQI (US)
24AQI (US)
21AQI (US)
19AQI (US)
16AQI (US)
14AQI (US)
14AQI (US)
20AQI (US)
17AQI (US)
12AQI (US)
10AQI (US)
12AQI (US)
22AQI (US)
15AQI (US)
22AQI (US)
37AQI (US)
35AQI (US)
36AQI (US)
43AQI (US)
43AQI (US)
42AQI (US)
41AQI (US)
37AQI (US)
31AQI (US)
35AQI (US)
49AQI (US)
45AQI (US)
41AQI (US)
34AQI (US)
35AQI (US)
36AQI (US)
37AQI (US)
44AQI (US)
53AQI (US)
54AQI (US)
46AQI (US)
27AQI (US)
34AQI (US)
43AQI (US)
39AQI (US)
33AQI (US)
36AQI (US)
39AQI (US)
36AQI (US)
40AQI (US)
42AQI (US)
36AQI (US)
36AQI (US)
39AQI (US)
39AQI (US)
43AQI (US)
33AQI (US)
31AQI (US)
33AQI (US)
22AQI (US)
22AQI (US)
26AQI (US)
32AQI (US)
39AQI (US)
34AQI (US)
36AQI (US)
42AQI (US)
44AQI (US)
41AQI (US)
32AQI (US)
31AQI (US)
52AQI (US)
48AQI (US)
37AQI (US)
30AQI (US)
31AQI (US)
34AQI (US)
44AQI (US)
45AQI (US)
46AQI (US)
53AQI (US)
50AQI (US)
30AQI (US)
30AQI (US)
40AQI (US)
44AQI (US)
41AQI (US)
35AQI (US)
37AQI (US)
31AQI (US)
34AQI (US)
45AQI (US)
42AQI (US)
23AQI (US)
24AQI (US)
26AQI (US)
27AQI (US)
36AQI (US)
19AQI (US)
27AQI (US)
37AQI (US)
39AQI (US)
No. of days
202629AQI (US)
Highest AQI (US) recorded in
September39AQI (US)
Lowest AQI (US) recorded in
June19AQI (US)
202529AQI (US)
Highest AQI (US) recorded in
October54AQI (US)
Lowest AQI (US) recorded in
April21AQI (US)
202424AQI (US)
Highest AQI (US) recorded in
October38AQI (US)
Lowest AQI (US) recorded in
May15AQI (US)
202326AQI (US)
Highest AQI (US) recorded in
December42AQI (US)
Lowest AQI (US) recorded in
March15AQI (US)
202218AQI (US)
Highest AQI (US) recorded in
October24AQI (US)
Lowest AQI (US) recorded in
August10AQI (US)
202122AQI (US)
Highest AQI (US) recorded in
October40AQI (US)
Lowest AQI (US) recorded in
May12AQI (US)
202017AQI (US)
Highest AQI (US) recorded in
November23AQI (US)
Lowest AQI (US) recorded in
May13AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Mount Isa's annual 2026 AQI (US) (29) shows an average percentage change of 32.6% (worsened AQI (US)) compared to previous years: 2020 (17), 2021 (22), 2022 (18), 2023 (26), 2024 (24), 2025 (29).