Shah Alam, Selangor, 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
Shah Alam, Selangor, Malaysia
AQI Trends: Highest and Lowest
Same Day Analysis (12th August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 1st highest AQI at 128 of Poor air quality on the same day.
Day & Night AQI Trend: 11th Aug - 12th Aug 2026
Shah Alam, Selangor, Malaysia
7 AM11th Aug 2026
7 PM
6 AM12th Aug 2026
143AQI
90AQI
148AQI
123AQI
In the last 24 hours,
Shah Alam's AQI reached its highest point of 148 at 3 AM during the Night, while the lowest point, 90, was recorded at 10 AM during the Day between 11th Aug and 12th Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Shah Alam, Selangor, Malaysia
27°C25/30°C
28°C25/33°C
28°C25/33°C
27°C24/31°C
25°C23/29°C
27°C24/31°C
27°C24/30°C
26°C24/31°C
26°C24/30°C
27°C24/32°C
27°C23/33°C
27°C24/31°C
26°C23/31°C
26°C24/29°C
27°C24/30°C
27°C24/32°C
27°C24/31°C
26°C24/31°C
28°C24/33°C
28°C24/33°C
28°C24/34°C
27°C24/32°C
27°C24/32°C
28°C25/33°C
28°C24/33°C
28°C25/32°C
28°C25/31°C
27°C24/32°C
27°C24/30°C
28°C24/33°C
74AQI
64AQI
82AQI
66AQI
2026 Days Vs Air Quality
Shah Alam, Selangor, Malaysia
28%
62
70%
155
2%
4
Total number of days with different AQI categories in last 224 days in 2026 (141 days remaining)
Under WHO’s Safe Air Quality Limits: 28%
Health Risk Level:
Very high
In 2026, 28% of 224 days were within WHO’s safe air quality limits. The risk of health issues is Very high, including respiratory issues, heart disease, and stress, particularly affecting vulnerable groups.
Annual Air Quality Insights
Shah Alam, Selangor, Malaysia
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
64AQI (US)
71AQI (US)
69AQI (US)
63AQI (US)
76AQI (US)
55AQI (US)
56AQI (US)
59AQI (US)
70AQI (US)
76AQI (US)
90AQI (US)
82AQI (US)
74AQI (US)
86AQI (US)
99AQI (US)
84AQI (US)
93AQI (US)
88AQI (US)
84AQI (US)
86AQI (US)
80AQI (US)
68AQI (US)
61AQI (US)
55AQI (US)
58AQI (US)
52AQI (US)
51AQI (US)
62AQI (US)
60AQI (US)
63AQI (US)
61AQI (US)
60AQI (US)
60AQI (US)
58AQI (US)
56AQI (US)
55AQI (US)
61AQI (US)
58AQI (US)
60AQI (US)
62AQI (US)
59AQI (US)
60AQI (US)
56AQI (US)
62AQI (US)
64AQI (US)
62AQI (US)
60AQI (US)
60AQI (US)
60AQI (US)
56AQI (US)
56AQI (US)
57AQI (US)
56AQI (US)
64AQI (US)
58AQI (US)
58AQI (US)
54AQI (US)
54AQI (US)
46AQI (US)
46AQI (US)
65AQI (US)
60AQI (US)
54AQI (US)
58AQI (US)
56AQI (US)
51AQI (US)
59AQI (US)
55AQI (US)
50AQI (US)
51AQI (US)
51AQI (US)
47AQI (US)
44AQI (US)
43AQI (US)
44AQI (US)
44AQI (US)
50AQI (US)
49AQI (US)
49AQI (US)
49AQI (US)
46AQI (US)
46AQI (US)
48AQI (US)
60AQI (US)
63AQI (US)
53AQI (US)
52AQI (US)
56AQI (US)
51AQI (US)
52AQI (US)
50AQI (US)
54AQI (US)
52AQI (US)
57AQI (US)
56AQI (US)
52AQI (US)
50AQI (US)
44AQI (US)
46AQI (US)
48AQI (US)
46AQI (US)
48AQI (US)
50AQI (US)
49AQI (US)
59AQI (US)
55AQI (US)
44AQI (US)
50AQI (US)
50AQI (US)
52AQI (US)
56AQI (US)
58AQI (US)
50AQI (US)
57AQI (US)
56AQI (US)
47AQI (US)
46AQI (US)
50AQI (US)
52AQI (US)
43AQI (US)
41AQI (US)
44AQI (US)
44AQI (US)
42AQI (US)
47AQI (US)
38AQI (US)
44AQI (US)
44AQI (US)
48AQI (US)
45AQI (US)
44AQI (US)
40AQI (US)
74AQI (US)
61AQI (US)
61AQI (US)
48AQI (US)
60AQI (US)
60AQI (US)
52AQI (US)
49AQI (US)
54AQI (US)
40AQI (US)
47AQI (US)
50AQI (US)
37AQI (US)
56AQI (US)
52AQI (US)
76AQI (US)
74AQI (US)
56AQI (US)
76AQI (US)
66AQI (US)
62AQI (US)
64AQI (US)
52AQI (US)
55AQI (US)
54AQI (US)
36AQI (US)
42AQI (US)
60AQI (US)
57AQI (US)
77AQI (US)
66AQI (US)
70AQI (US)
56AQI (US)
48AQI (US)
58AQI (US)
58AQI (US)
62AQI (US)
30AQI (US)
45AQI (US)
42AQI (US)
43AQI (US)
53AQI (US)
60AQI (US)
71AQI (US)
64AQI (US)
61AQI (US)
70AQI (US)
74AQI (US)
62AQI (US)
72AQI (US)
68AQI (US)
44AQI (US)
60AQI (US)
53AQI (US)
57AQI (US)
68AQI (US)
82AQI (US)
70AQI (US)
78AQI (US)
84AQI (US)
80AQI (US)
62AQI (US)
68AQI (US)
46AQI (US)
58AQI (US)
80AQI (US)
67AQI (US)
61AQI (US)
68AQI (US)
80AQI (US)
72AQI (US)
48AQI (US)
72AQI (US)
76AQI (US)
74AQI (US)
64AQI (US)
70AQI (US)
72AQI (US)
70AQI (US)
84AQI (US)
46AQI (US)
65AQI (US)
54AQI (US)
48AQI (US)
85AQI (US)
108AQI (US)
104AQI (US)
124AQI (US)
128AQI (US)
71AQI (US)
58AQI (US)
52AQI (US)
51AQI (US)
50AQI (US)
57AQI (US)
67AQI (US)
82AQI (US)
No. of days
202659AQI (US)
Highest AQI (US) recorded in
August82AQI (US)
Lowest AQI (US) recorded in
May50AQI (US)
202560AQI (US)
Highest AQI (US) recorded in
December81AQI (US)
Lowest AQI (US) recorded in
June44AQI (US)
202423AQI (US)
Highest AQI (US) recorded in
June59AQI (US)
Lowest AQI (US) recorded in
September0AQI (US)
20230AQI (US)
Highest AQI (US) recorded in
February0AQI (US)
Lowest AQI (US) recorded in
December0AQI (US)
20220AQI (US)
Highest AQI (US) recorded in
January0AQI (US)
Lowest AQI (US) recorded in
November0AQI (US)
202124AQI (US)
Highest AQI (US) recorded in
March68AQI (US)
Lowest AQI (US) recorded in
December0AQI (US)
202057AQI (US)
Highest AQI (US) recorded in
August60AQI (US)
Lowest AQI (US) recorded in
May54AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Shah Alam's annual 2026 AQI (US) (59) shows an average percentage change of 84.03% (worsened AQI (US)) compared to previous years: 2020 (57), 2021 (24), 2022 (0), 2023 (0), 2024 (23), 2025 (60).