Klang, Selangor, Malaysia Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
October Air Quality Analysis
Klang, Selangor, Malaysia
AQI Trends: Highest and Lowest
Same Day Analysis (2nd October):
On this day, AQI across the 5 years varied significantly: 2026 ranks 1st highest AQI at 74 of Moderate air quality on the same day.
Day & Night AQI Trend: 1st Oct - 2nd Oct 2026
Klang, Selangor, Malaysia
7 AM1st Oct 2026
7 PM
6 AM2nd Oct 2026
152AQI
88AQI
100AQI
76AQI
In the last 24 hours,
Klang's AQI reached its highest point of 152 at 3 PM during the Day, while the lowest point, 76, was recorded at 5 AM during the Night between 1st Oct and 2nd Oct 2026.
Day & Night AQI Trend : Sep - Oct 2026
Klang, Selangor, Malaysia
27°C24/32°C
28°C24/33°C
28°C24/35°C
29°C24/34°C
28°C24/34°C
28°C24/34°C
28°C24/35°C
28°C25/34°C
27°C24/31°C
24°C23/28°C
27°C24/32°C
29°C25/34°C
29°C24/35°C
29°C24/34°C
28°C24/35°C
28°C25/35°C
27°C25/32°C
28°C25/35°C
28°C24/33°C
27°C24/31°C
27°C25/31°C
24°C23/25°C
27°C24/31°C
27°C24/32°C
26°C24/30°C
28°C24/33°C
28°C25/34°C
27°C24/32°C
28°C24/35°C
27°C24/31°C
104AQI
96AQI
106AQI
100AQI
2026 Days Vs Air Quality
Klang, Selangor, Malaysia
31%
83
59%
161
10%
26
0.7%
2
Total number of days with different AQI categories in last 275 days in 2026 (90 days remaining)
Under WHO’s Safe Air Quality Limits: 31%
Health Risk Level:
High
In 2026, 31% of 275 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
Klang, Selangor, Malaysia
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
62AQI (US)
64AQI (US)
64AQI (US)
64AQI (US)
70AQI (US)
56AQI (US)
52AQI (US)
56AQI (US)
62AQI (US)
60AQI (US)
74AQI (US)
75AQI (US)
74AQI (US)
82AQI (US)
82AQI (US)
79AQI (US)
80AQI (US)
77AQI (US)
75AQI (US)
79AQI (US)
77AQI (US)
69AQI (US)
61AQI (US)
56AQI (US)
56AQI (US)
50AQI (US)
52AQI (US)
61AQI (US)
59AQI (US)
64AQI (US)
62AQI (US)
59AQI (US)
62AQI (US)
59AQI (US)
56AQI (US)
54AQI (US)
61AQI (US)
60AQI (US)
60AQI (US)
64AQI (US)
59AQI (US)
64AQI (US)
58AQI (US)
64AQI (US)
65AQI (US)
64AQI (US)
60AQI (US)
60AQI (US)
60AQI (US)
58AQI (US)
56AQI (US)
58AQI (US)
54AQI (US)
62AQI (US)
59AQI (US)
58AQI (US)
56AQI (US)
50AQI (US)
42AQI (US)
47AQI (US)
64AQI (US)
60AQI (US)
54AQI (US)
58AQI (US)
54AQI (US)
46AQI (US)
58AQI (US)
52AQI (US)
44AQI (US)
48AQI (US)
46AQI (US)
44AQI (US)
42AQI (US)
40AQI (US)
42AQI (US)
40AQI (US)
45AQI (US)
45AQI (US)
46AQI (US)
46AQI (US)
40AQI (US)
44AQI (US)
46AQI (US)
57AQI (US)
64AQI (US)
52AQI (US)
54AQI (US)
56AQI (US)
50AQI (US)
52AQI (US)
48AQI (US)
51AQI (US)
49AQI (US)
55AQI (US)
54AQI (US)
50AQI (US)
50AQI (US)
46AQI (US)
46AQI (US)
47AQI (US)
46AQI (US)
48AQI (US)
54AQI (US)
50AQI (US)
58AQI (US)
54AQI (US)
42AQI (US)
44AQI (US)
44AQI (US)
50AQI (US)
55AQI (US)
56AQI (US)
48AQI (US)
56AQI (US)
54AQI (US)
46AQI (US)
44AQI (US)
44AQI (US)
47AQI (US)
43AQI (US)
40AQI (US)
42AQI (US)
49AQI (US)
50AQI (US)
48AQI (US)
42AQI (US)
45AQI (US)
46AQI (US)
46AQI (US)
45AQI (US)
43AQI (US)
40AQI (US)
72AQI (US)
69AQI (US)
70AQI (US)
48AQI (US)
60AQI (US)
61AQI (US)
52AQI (US)
52AQI (US)
56AQI (US)
44AQI (US)
47AQI (US)
34AQI (US)
30AQI (US)
47AQI (US)
58AQI (US)
73AQI (US)
62AQI (US)
48AQI (US)
61AQI (US)
56AQI (US)
54AQI (US)
54AQI (US)
38AQI (US)
50AQI (US)
42AQI (US)
33AQI (US)
40AQI (US)
46AQI (US)
58AQI (US)
65AQI (US)
57AQI (US)
56AQI (US)
44AQI (US)
52AQI (US)
52AQI (US)
40AQI (US)
54AQI (US)
24AQI (US)
39AQI (US)
34AQI (US)
35AQI (US)
49AQI (US)
58AQI (US)
54AQI (US)
54AQI (US)
50AQI (US)
72AQI (US)
66AQI (US)
61AQI (US)
80AQI (US)
60AQI (US)
44AQI (US)
59AQI (US)
44AQI (US)
62AQI (US)
66AQI (US)
82AQI (US)
73AQI (US)
80AQI (US)
80AQI (US)
78AQI (US)
57AQI (US)
57AQI (US)
40AQI (US)
54AQI (US)
64AQI (US)
53AQI (US)
54AQI (US)
66AQI (US)
80AQI (US)
68AQI (US)
46AQI (US)
66AQI (US)
86AQI (US)
75AQI (US)
56AQI (US)
64AQI (US)
66AQI (US)
73AQI (US)
78AQI (US)
34AQI (US)
61AQI (US)
54AQI (US)
46AQI (US)
75AQI (US)
102AQI (US)
88AQI (US)
112AQI (US)
121AQI (US)
117AQI (US)
102AQI (US)
46AQI (US)
70AQI (US)
78AQI (US)
82AQI (US)
59AQI (US)
36AQI (US)
86AQI (US)
104AQI (US)
130AQI (US)
137AQI (US)
130AQI (US)
101AQI (US)
124AQI (US)
114AQI (US)
136AQI (US)
83AQI (US)
64AQI (US)
103AQI (US)
90AQI (US)
76AQI (US)
58AQI (US)
94AQI (US)
150AQI (US)
147AQI (US)
146AQI (US)
120AQI (US)
68AQI (US)
78AQI (US)
59AQI (US)
93AQI (US)
128AQI (US)
159AQI (US)
146AQI (US)
140AQI (US)
132AQI (US)
102AQI (US)
126AQI (US)
99AQI (US)
62AQI (US)
70AQI (US)
73AQI (US)
76AQI (US)
64AQI (US)
46AQI (US)
76AQI (US)
151AQI (US)
134AQI (US)
112AQI (US)
74AQI (US)
66AQI (US)
59AQI (US)
50AQI (US)
50AQI (US)
50AQI (US)
49AQI (US)
64AQI (US)
87AQI (US)
102AQI (US)
93AQI (US)
No. of days
202664AQI (US)
Highest AQI (US) recorded in
September102AQI (US)
Lowest AQI (US) recorded in
June49AQI (US)
202557AQI (US)
Highest AQI (US) recorded in
December68AQI (US)
Lowest AQI (US) recorded in
June43AQI (US)
202423AQI (US)
Highest AQI (US) recorded in
June58AQI (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
February68AQI (US)
Lowest AQI (US) recorded in
December0AQI (US)
202058AQI (US)
Highest AQI (US) recorded in
August66AQI (US)
Lowest AQI (US) recorded in
November54AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Klang's annual 2026 AQI (US) (64) shows an average percentage change of 94.5% (worsened AQI (US)) compared to previous years: 2020 (58), 2021 (24), 2022 (0), 2023 (0), 2024 (23), 2025 (57).