Kalgoorlie, Western Australia, Australia Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
August Air Quality Analysis
Kalgoorlie, Western Australia, Australia
AQI Trends: Highest and Lowest
Same Day Analysis (1st August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 38 of Good air quality, showing improvement over 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 2nd Aug - 3rd Aug 2025
Kalgoorlie, Western Australia, Australia
6 AM2nd Aug 2025
5 PM
5 AM3rd Aug 2025
AQI
AQI
56AQI
21AQI
In the last 24 hours,
Kalgoorlie's AQI reached its highest point of 56 at 1 PM during the Night, while the lowest point, undefined, was recorded at 5 AM during the Night between 2nd Aug and 3rd Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Kalgoorlie, Western Australia, Australia
13°C10/17°C
10°C5/15°C
14°C7/21°C
14°C8/17°C
10°C3/15°C
11°C6/16°C
10°C5/16°C
12°C6/19°C
15°C8/22°C
13°C10/16°C
13°C9/17°C
10°C5/16°C
12°C6/16°C
11°C6/16°C
12°C7/17°C
13°C8/16°C
14°C8/20°C
10°C7/13°C
11°C5/16°C
12°C7/16°C
9°C6/12°C
8°C6/11°C
9°C5/12°C
10°C4/16°C
8°C6/9°C
10°C6/15°C
11°C6/15°C
10°C5/15°C
11°C6/17°C
--°C/°C
--°C/°C
41AQI
24AQI
41AQI
24AQI
2025 Days Vs Air Quality
Kalgoorlie, Western Australia, Australia
93%
198
7%
15
Total number of days with different AQI categories in last 214 days in 2025 (151 days remaining)
Under WHO’s Safe Air Quality Limits: 93%
Health Risk Level:
Very Low
In 2025, 93% of 214 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
Kalgoorlie, Western Australia, Australia
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
34AQI
34AQI
38AQI
40AQI
37AQI
38AQI
32AQI
27AQI
25AQI
32AQI
36AQI
31AQI
35AQI
32AQI
29AQI
30AQI
35AQI
32AQI
35AQI
32AQI
36AQI
37AQI
51AQI
52AQI
62AQI
66AQI
64AQI
48AQI
49AQI
52AQI
46AQI
54AQI
69AQI
69AQI
48AQI
39AQI
41AQI
35AQI
35AQI
35AQI
42AQI
46AQI
37AQI
39AQI
34AQI
43AQI
31AQI
32AQI
35AQI
32AQI
41AQI
40AQI
32AQI
34AQI
42AQI
40AQI
47AQI
40AQI
42AQI
37AQI
40AQI
35AQI
27AQI
24AQI
26AQI
22AQI
24AQI
25AQI
28AQI
27AQI
30AQI
27AQI
28AQI
25AQI
26AQI
22AQI
21AQI
27AQI
27AQI
25AQI
76AQI
74AQI
56AQI
42AQI
55AQI
42AQI
51AQI
42AQI
45AQI
53AQI
37AQI
35AQI
33AQI
33AQI
37AQI
23AQI
28AQI
23AQI
28AQI
33AQI
26AQI
30AQI
42AQI
31AQI
31AQI
30AQI
24AQI
25AQI
24AQI
27AQI
21AQI
24AQI
22AQI
25AQI
23AQI
22AQI
25AQI
22AQI
23AQI
20AQI
22AQI
30AQI
28AQI
35AQI
40AQI
49AQI
40AQI
42AQI
40AQI
38AQI
39AQI
45AQI
46AQI
43AQI
44AQI
42AQI
47AQI
43AQI
39AQI
38AQI
38AQI
42AQI
39AQI
33AQI
34AQI
38AQI
35AQI
30AQI
31AQI
33AQI
33AQI
37AQI
34AQI
37AQI
42AQI
41AQI
49AQI
49AQI
39AQI
46AQI
42AQI
41AQI
46AQI
42AQI
47AQI
47AQI
47AQI
44AQI
41AQI
38AQI
38AQI
39AQI
37AQI
30AQI
31AQI
28AQI
33AQI
30AQI
31AQI
30AQI
31AQI
31AQI
39AQI
33AQI
30AQI
37AQI
34AQI
27AQI
25AQI
29AQI
37AQI
36AQI
32AQI
33AQI
29AQI
29AQI
38AQI
33AQI
34AQI
32AQI
31AQI
32AQI
34AQI
33AQI
30AQI
31AQI
36AQI
35AQI
41AQI
36AQI
38AQI
37AQI
38AQI
40AQI
41AQI
36AQI
28AQI
38AQI
39AQI
33AQI
38AQI
No. of days
202536AQI
Highest AQI recorded in
February41AQI
Lowest AQI recorded in
April28AQI
202415AQI
Highest AQI recorded in
December33AQI
Lowest AQI recorded in
July8AQI
202311AQI
Highest AQI recorded in
April25AQI
Lowest AQI recorded in
March8AQI
20229AQI
Highest AQI recorded in
June15AQI
Lowest AQI recorded in
November5AQI
202117AQI
Highest AQI recorded in
June31AQI
Lowest AQI recorded in
November5AQI
202020AQI
Highest AQI recorded in
May35AQI
Lowest AQI recorded in
November13AQI
Most & Least Polluted Years Over the Last 6 Years
Kalgoorlie's annual 2025 AQI (36) shows an average percentage change of 180.9% (worsened AQI) compared to previous years: 2020 (20), 2021 (17), 2022 (9), 2023 (11), 2024 (15).