Collie, Western Australia, Australia Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
June Air Quality Analysis
Collie, Western Australia, Australia
AQI Trends: Highest and Lowest
Same Day Analysis (3rd June):
On this day, AQI across the 5 years varied significantly: 2026 ranks 4th highest AQI at 27 of Good air quality, showing improvement over 2025, 2023 and 2022 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 3rd Jun - 4th Jun 2026
Collie, Western Australia, Australia
7 AM3rd Jun 2026
5 PM
6 AM4th Jun 2026
51AQI
12AQI
42AQI
14AQI
In the last 24 hours,
Collie's AQI reached its highest point of 51 at 9 AM during the Day, while the lowest point, 12, was recorded at 3 PM during the Day between 3rd Jun and 4th Jun 2026.
Day & Night AQI Trend : May - Jun 2026
Collie, Western Australia, Australia
15°C12/21°C
16°C12/21°C
17°C13/22°C
16°C13/22°C
16°C13/21°C
17°C14/22°C
17°C14/22°C
17°C15/22°C
16°C15/17°C
14°C12/17°C
14°C11/17°C
16°C12/19°C
16°C12/19°C
15°C11/20°C
17°C14/21°C
15°C13/19°C
14°C9/18°C
11°C8/16°C
12°C8/18°C
14°C10/20°C
16°C13/20°C
18°C17/20°C
17°C15/18°C
14°C14/15°C
16°C13/19°C
15°C14/16°C
15°C15/17°C
15°C13/15°C
14°C11/16°C
13°C10/17°C
37AQI
27AQI
38AQI
27AQI
2026 Days Vs Air Quality
Collie, Western Australia, Australia
96%
145
4%
6
Total number of days with different AQI categories in last 155 days in 2026 (210 days remaining)
Under WHO’s Safe Air Quality Limits: 96%
Health Risk Level:
Very Low
In 2026, 96% of 155 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
Collie, Western Australia, Australia
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
22AQI (US)
26AQI (US)
23AQI (US)
21AQI (US)
60AQI (US)
24AQI (US)
18AQI (US)
16AQI (US)
18AQI (US)
15AQI (US)
17AQI (US)
20AQI (US)
15AQI (US)
11AQI (US)
16AQI (US)
25AQI (US)
17AQI (US)
18AQI (US)
19AQI (US)
36AQI (US)
33AQI (US)
40AQI (US)
47AQI (US)
34AQI (US)
41AQI (US)
41AQI (US)
26AQI (US)
24AQI (US)
32AQI (US)
46AQI (US)
39AQI (US)
34AQI (US)
36AQI (US)
48AQI (US)
44AQI (US)
42AQI (US)
33AQI (US)
33AQI (US)
32AQI (US)
40AQI (US)
45AQI (US)
51AQI (US)
37AQI (US)
53AQI (US)
47AQI (US)
35AQI (US)
31AQI (US)
34AQI (US)
34AQI (US)
26AQI (US)
35AQI (US)
37AQI (US)
30AQI (US)
10AQI (US)
12AQI (US)
41AQI (US)
37AQI (US)
45AQI (US)
47AQI (US)
27AQI (US)
48AQI (US)
46AQI (US)
49AQI (US)
44AQI (US)
38AQI (US)
38AQI (US)
48AQI (US)
50AQI (US)
40AQI (US)
42AQI (US)
46AQI (US)
46AQI (US)
43AQI (US)
46AQI (US)
49AQI (US)
38AQI (US)
40AQI (US)
37AQI (US)
34AQI (US)
41AQI (US)
15AQI (US)
20AQI (US)
34AQI (US)
45AQI (US)
32AQI (US)
29AQI (US)
21AQI (US)
48AQI (US)
40AQI (US)
45AQI (US)
17AQI (US)
25AQI (US)
31AQI (US)
30AQI (US)
39AQI (US)
30AQI (US)
37AQI (US)
20AQI (US)
18AQI (US)
28AQI (US)
19AQI (US)
13AQI (US)
29AQI (US)
11AQI (US)
11AQI (US)
43AQI (US)
13AQI (US)
28AQI (US)
34AQI (US)
9AQI (US)
42AQI (US)
44AQI (US)
45AQI (US)
46AQI (US)
41AQI (US)
28AQI (US)
27AQI (US)
41AQI (US)
29AQI (US)
36AQI (US)
28AQI (US)
19AQI (US)
26AQI (US)
32AQI (US)
14AQI (US)
9AQI (US)
29AQI (US)
29AQI (US)
30AQI (US)
26AQI (US)
25AQI (US)
27AQI (US)
72AQI (US)
58AQI (US)
50AQI (US)
50AQI (US)
57AQI (US)
46AQI (US)
37AQI (US)
46AQI (US)
43AQI (US)
34AQI (US)
30AQI (US)
16AQI (US)
19AQI (US)
24AQI (US)
25AQI (US)
24AQI (US)
23AQI (US)
32AQI (US)
27AQI (US)
27AQI (US)
37AQI (US)
39AQI (US)
29AQI (US)
33AQI (US)
27AQI (US)
No. of days
202633AQI (US)
Highest AQI (US) recorded in
March39AQI (US)
Lowest AQI (US) recorded in
June27AQI (US)
202530AQI (US)
Highest AQI (US) recorded in
October42AQI (US)
Lowest AQI (US) recorded in
September22AQI (US)
202415AQI (US)
Highest AQI (US) recorded in
December26AQI (US)
Lowest AQI (US) recorded in
March7AQI (US)
202313AQI (US)
Highest AQI (US) recorded in
May23AQI (US)
Lowest AQI (US) recorded in
March6AQI (US)
202212AQI (US)
Highest AQI (US) recorded in
July26AQI (US)
Lowest AQI (US) recorded in
November7AQI (US)
202114AQI (US)
Highest AQI (US) recorded in
April22AQI (US)
Lowest AQI (US) recorded in
November6AQI (US)
202016AQI (US)
Highest AQI (US) recorded in
May30AQI (US)
Lowest AQI (US) recorded in
November12AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Collie's annual 2026 AQI (US) (33) shows an average percentage change of 116.8% (worsened AQI (US)) compared to previous years: 2020 (16), 2021 (14), 2022 (12), 2023 (13), 2024 (15), 2025 (30).