Alor Setar, Kedah, Malaysia 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
Alor Setar, Kedah, Malaysia
AQI Trends: Highest and Lowest
Same Day Analysis (2nd August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 54 of Moderate air quality, showing improvement over 2024 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 2nd Aug - 3rd Aug 2025
Alor Setar, Kedah, Malaysia
7 AM2nd Aug 2025
7 PM
6 AM3rd Aug 2025
58AQI
51AQI
55AQI
53AQI
In the last 24 hours,
Alor Setar's AQI reached its highest point of 58 at 3 PM during the Day, while the lowest point, 51, was recorded at 4 PM during the Day between 2nd Aug and 3rd Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Alor Setar, Kedah, Malaysia
27°C25/30°C
28°C24/31°C
28°C26/31°C
28°C26/30°C
26°C25/27°C
27°C26/30°C
28°C26/30°C
27°C26/29°C
28°C26/30°C
27°C26/29°C
27°C24/31°C
27°C26/28°C
27°C25/30°C
28°C25/31°C
28°C26/31°C
28°C26/31°C
28°C26/30°C
28°C26/31°C
28°C26/31°C
28°C26/31°C
28°C25/31°C
28°C25/31°C
28°C25/30°C
28°C27/31°C
28°C26/31°C
28°C26/31°C
28°C26/31°C
28°C25/31°C
28°C25/32°C
29°C26/32°C
--°C/°C
47AQI
47AQI
49AQI
49AQI
2025 Days Vs Air Quality
Alor Setar, Kedah, Malaysia
39%
84
61%
130
Total number of days with different AQI categories in last 215 days in 2025 (150 days remaining)
Under WHO’s Safe Air Quality Limits: 39%
Health Risk Level:
High
In 2025, 39% of 215 days were within WHO’s safe air quality limits. The risk of health issues is High, with respiratory problems, heart disease, skin issues, and stress being more common, particularly among children and the elderly.
Annual Air Quality Insights
Alor Setar, Kedah, Malaysia
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
58AQI
59AQI
58AQI
58AQI
58AQI
58AQI
57AQI
57AQI
58AQI
57AQI
57AQI
56AQI
56AQI
57AQI
58AQI
58AQI
57AQI
58AQI
58AQI
58AQI
59AQI
60AQI
61AQI
61AQI
60AQI
63AQI
61AQI
61AQI
60AQI
60AQI
61AQI
61AQI
63AQI
64AQI
65AQI
66AQI
66AQI
67AQI
68AQI
69AQI
69AQI
69AQI
69AQI
70AQI
69AQI
68AQI
68AQI
68AQI
67AQI
65AQI
63AQI
63AQI
62AQI
61AQI
60AQI
59AQI
58AQI
57AQI
57AQI
57AQI
57AQI
60AQI
57AQI
56AQI
57AQI
56AQI
55AQI
55AQI
55AQI
55AQI
54AQI
54AQI
53AQI
53AQI
52AQI
51AQI
51AQI
53AQI
54AQI
57AQI
58AQI
58AQI
59AQI
59AQI
60AQI
60AQI
61AQI
61AQI
62AQI
61AQI
60AQI
58AQI
57AQI
56AQI
55AQI
55AQI
53AQI
53AQI
52AQI
52AQI
50AQI
47AQI
47AQI
48AQI
45AQI
45AQI
46AQI
45AQI
46AQI
46AQI
45AQI
45AQI
46AQI
45AQI
45AQI
46AQI
46AQI
46AQI
46AQI
46AQI
46AQI
46AQI
45AQI
46AQI
48AQI
50AQI
51AQI
53AQI
52AQI
51AQI
52AQI
51AQI
49AQI
51AQI
51AQI
53AQI
54AQI
53AQI
53AQI
52AQI
50AQI
52AQI
48AQI
46AQI
43AQI
40AQI
40AQI
44AQI
46AQI
49AQI
53AQI
53AQI
53AQI
53AQI
52AQI
51AQI
51AQI
49AQI
44AQI
44AQI
44AQI
42AQI
42AQI
44AQI
49AQI
47AQI
48AQI
45AQI
44AQI
44AQI
42AQI
42AQI
41AQI
39AQI
38AQI
38AQI
39AQI
40AQI
41AQI
42AQI
43AQI
45AQI
44AQI
45AQI
44AQI
45AQI
44AQI
45AQI
45AQI
44AQI
44AQI
44AQI
44AQI
44AQI
45AQI
45AQI
44AQI
46AQI
46AQI
50AQI
50AQI
51AQI
49AQI
50AQI
48AQI
50AQI
51AQI
51AQI
51AQI
52AQI
52AQI
53AQI
54AQI
54AQI
59AQI
65AQI
56AQI
49AQI
49AQI
45AQI
47AQI
54AQI
No. of days
202553AQI
Highest AQI recorded in
February65AQI
Lowest AQI recorded in
June45AQI
202423AQI
Highest AQI recorded in
December55AQI
Lowest AQI recorded in
September0AQI
20230AQI
Highest AQI recorded in
February0AQI
Lowest AQI recorded in
December0AQI
20220AQI
Highest AQI recorded in
January0AQI
Lowest AQI recorded in
November0AQI
202119AQI
Highest AQI recorded in
February58AQI
Lowest AQI recorded in
December0AQI
202044AQI
Highest AQI recorded in
March57AQI
Lowest AQI recorded in
October31AQI
Most & Least Polluted Years Over the Last 6 Years
Alor Setar's annual 2025 AQI (53) shows an average percentage change of 105.4% (worsened AQI) compared to previous years: 2020 (44), 2021 (19), 2022 (0), 2023 (0), 2024 (23).