Ayr, 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
Ayr, Queensland, Australia
AQI Trends: Highest and Lowest
Same Day Analysis (23rd September ):
On this day, AQI across the 4 years varied significantly: 2025 ranks 4th highest AQI at 23 of Good air quality, showing improvement over 2024, 2023 and 2022 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 23rd Sep - 24th Sep 2025
Ayr, Queensland, Australia
6 AM23rd Sep 2025
6 PM
5 AM24th Sep 2025
21AQI
16AQI
26AQI
18AQI
In the last 24 hours,
Ayr's AQI reached its highest point of 26 at 8 PM during the Night, while the lowest point, 16, was recorded at 6 PM during the Day between 23rd Sep and 24th Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
Ayr, Queensland, Australia
21°C16/27°C
21°C15/27°C
21°C17/27°C
23°C17/31°C
23°C18/32°C
22°C17/30°C
18°C13/24°C
19°C13/25°C
20°C15/26°C
21°C16/27°C
21°C16/27°C
23°C19/29°C
22°C18/28°C
23°C19/26°C
21°C17/26°C
23°C20/27°C
23°C20/28°C
24°C17/32°C
22°C16/27°C
21°C16/27°C
22°C19/28°C
21°C17/27°C
22°C18/28°C
23°C19/29°C
24°C20/30°C
24°C20/28°C
25°C20/29°C
24°C20/29°C
24°C20/30°C
24°C19/30°C
--°C/°C
25AQI
20AQI
23AQI
20AQI
2025 Days Vs Air Quality
Ayr, Queensland, Australia
100%
266
Total number of days with different AQI categories in last 267 days in 2025 (98 days remaining)
Under WHO’s Safe Air Quality Limits: 100%
Health Risk Level:
Very Low
In 2025, 100% of 267 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
Ayr, Queensland, Australia
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
24AQI
24AQI
22AQI
21AQI
22AQI
24AQI
25AQI
23AQI
22AQI
19AQI
21AQI
24AQI
22AQI
21AQI
24AQI
25AQI
26AQI
26AQI
30AQI
26AQI
26AQI
24AQI
24AQI
21AQI
24AQI
22AQI
25AQI
23AQI
25AQI
21AQI
23AQI
25AQI
27AQI
25AQI
24AQI
21AQI
23AQI
24AQI
22AQI
22AQI
23AQI
25AQI
25AQI
24AQI
24AQI
24AQI
25AQI
24AQI
23AQI
21AQI
19AQI
23AQI
22AQI
22AQI
22AQI
22AQI
24AQI
23AQI
26AQI
30AQI
29AQI
24AQI
22AQI
24AQI
21AQI
21AQI
22AQI
21AQI
21AQI
22AQI
22AQI
23AQI
26AQI
26AQI
22AQI
21AQI
21AQI
19AQI
21AQI
24AQI
22AQI
22AQI
22AQI
21AQI
19AQI
20AQI
18AQI
17AQI
16AQI
17AQI
17AQI
18AQI
17AQI
17AQI
18AQI
16AQI
17AQI
20AQI
21AQI
22AQI
21AQI
18AQI
26AQI
21AQI
22AQI
21AQI
21AQI
20AQI
20AQI
19AQI
20AQI
19AQI
20AQI
29AQI
27AQI
25AQI
24AQI
26AQI
25AQI
25AQI
29AQI
26AQI
21AQI
27AQI
25AQI
22AQI
23AQI
25AQI
25AQI
26AQI
25AQI
24AQI
23AQI
22AQI
27AQI
21AQI
23AQI
19AQI
20AQI
20AQI
23AQI
25AQI
21AQI
22AQI
22AQI
24AQI
25AQI
26AQI
25AQI
20AQI
20AQI
21AQI
24AQI
23AQI
20AQI
21AQI
22AQI
24AQI
24AQI
22AQI
21AQI
23AQI
26AQI
29AQI
25AQI
27AQI
26AQI
25AQI
25AQI
28AQI
29AQI
30AQI
38AQI
35AQI
33AQI
30AQI
28AQI
28AQI
28AQI
24AQI
22AQI
22AQI
22AQI
20AQI
22AQI
26AQI
23AQI
23AQI
23AQI
23AQI
24AQI
23AQI
24AQI
23AQI
22AQI
23AQI
23AQI
23AQI
23AQI
23AQI
23AQI
23AQI
24AQI
24AQI
23AQI
25AQI
26AQI
23AQI
23AQI
26AQI
25AQI
24AQI
23AQI
22AQI
25AQI
27AQI
25AQI
26AQI
26AQI
28AQI
28AQI
25AQI
26AQI
24AQI
23AQI
23AQI
23AQI
21AQI
20AQI
19AQI
22AQI
23AQI
23AQI
23AQI
23AQI
30AQI
26AQI
24AQI
25AQI
24AQI
23AQI
26AQI
29AQI
23AQI
24AQI
23AQI
23AQI
25AQI
22AQI
25AQI
24AQI
22AQI
21AQI
33AQI
28AQI
25AQI
22AQI
24AQI
22AQI
23AQI
24AQI
26AQI
23AQI
23AQI
23AQI
23AQI
24AQI
23AQI
22AQI
21AQI
23AQI
26AQI
23AQI
24AQI
24AQI
No. of days
202523AQI
Highest AQI recorded in
June26AQI
Lowest AQI recorded in
April21AQI
202422AQI
Highest AQI recorded in
September30AQI
Lowest AQI recorded in
February14AQI
202325AQI
Highest AQI recorded in
October34AQI
Lowest AQI recorded in
April21AQI
202223AQI
Highest AQI recorded in
September28AQI
Lowest AQI recorded in
July15AQI
Most & Least Polluted Years Over the Last 4 Years
Ayr's annual 2025 AQI (23) shows an average percentage change of 0.3% (worsened AQI) compared to previous years: 2022 (23), 2023 (25), 2024 (22).