Samalaju, Bintulu, Sarawak, 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
Samalaju, Bintulu, Sarawak, Malaysia
AQI Trends: Highest and Lowest
Same Day Analysis (3rd October ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 48 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 3rd Oct - 4th Oct 2025
Samalaju, Bintulu, Sarawak, Malaysia
6 AM3rd Oct 2025
6 PM
5 AM4th Oct 2025
51AQI
48AQI
54AQI
36AQI
In the last 24 hours,
Samalaju's AQI reached its highest point of 54 at 11 PM during the Night, while the lowest point, 36, was recorded at 2 AM during the Night between 3rd Oct and 4th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Samalaju, Bintulu, Sarawak, Malaysia
25°C23/29°C
25°C22/29°C
25°C22/28°C
25°C22/31°C
25°C22/28°C
25°C22/31°C
24°C22/27°C
24°C22/26°C
23°C21/26°C
24°C21/25°C
23°C21/25°C
24°C21/25°C
24°C22/28°C
24°C22/25°C
25°C23/29°C
26°C23/31°C
25°C22/30°C
25°C23/29°C
26°C23/32°C
26°C22/31°C
26°C21/33°C
26°C23/32°C
27°C24/31°C
27°C24/33°C
27°C24/34°C
26°C23/32°C
23°C20/28°C
23°C20/29°C
25°C21/31°C
23°C21/28°C
--°C/°C
49AQI
40AQI
46AQI
41AQI
2025 Days Vs Air Quality
Samalaju, Bintulu, Sarawak, Malaysia
53%
147
47%
129
Total number of days with different AQI categories in last 277 days in 2025 (88 days remaining)
Under WHO’s Safe Air Quality Limits: 53%
Health Risk Level:
Considerable
In 2025, 53% of 277 days were within WHO’s safe air quality limits, and 47% exceeded them. The risk of health issues is Considerable, with potential for conditions in sensitive individuals.
Annual Air Quality Insights
Samalaju, Bintulu, Sarawak, Malaysia
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
56AQI
57AQI
57AQI
57AQI
57AQI
58AQI
58AQI
57AQI
57AQI
56AQI
56AQI
55AQI
55AQI
57AQI
56AQI
56AQI
55AQI
56AQI
56AQI
56AQI
56AQI
57AQI
56AQI
57AQI
55AQI
54AQI
54AQI
54AQI
54AQI
54AQI
54AQI
54AQI
54AQI
54AQI
53AQI
53AQI
55AQI
54AQI
54AQI
54AQI
55AQI
55AQI
54AQI
55AQI
54AQI
56AQI
56AQI
58AQI
57AQI
59AQI
59AQI
60AQI
61AQI
61AQI
59AQI
58AQI
58AQI
58AQI
58AQI
57AQI
57AQI
59AQI
57AQI
56AQI
56AQI
55AQI
54AQI
54AQI
52AQI
53AQI
52AQI
51AQI
51AQI
49AQI
47AQI
47AQI
47AQI
45AQI
44AQI
47AQI
50AQI
51AQI
52AQI
52AQI
50AQI
51AQI
51AQI
50AQI
50AQI
49AQI
49AQI
48AQI
48AQI
48AQI
48AQI
47AQI
48AQI
49AQI
49AQI
48AQI
48AQI
49AQI
52AQI
54AQI
56AQI
56AQI
56AQI
56AQI
56AQI
56AQI
56AQI
55AQI
55AQI
54AQI
54AQI
54AQI
53AQI
53AQI
53AQI
53AQI
53AQI
52AQI
51AQI
51AQI
50AQI
50AQI
51AQI
51AQI
51AQI
51AQI
48AQI
47AQI
46AQI
45AQI
46AQI
48AQI
48AQI
45AQI
42AQI
39AQI
40AQI
41AQI
40AQI
39AQI
40AQI
39AQI
43AQI
46AQI
46AQI
45AQI
48AQI
49AQI
47AQI
48AQI
44AQI
44AQI
42AQI
39AQI
37AQI
38AQI
38AQI
35AQI
36AQI
34AQI
34AQI
37AQI
36AQI
35AQI
39AQI
42AQI
41AQI
40AQI
33AQI
39AQI
41AQI
43AQI
44AQI
47AQI
49AQI
49AQI
48AQI
48AQI
47AQI
49AQI
49AQI
49AQI
48AQI
48AQI
47AQI
48AQI
48AQI
47AQI
48AQI
48AQI
49AQI
49AQI
49AQI
50AQI
49AQI
50AQI
49AQI
48AQI
48AQI
47AQI
50AQI
49AQI
51AQI
51AQI
52AQI
53AQI
52AQI
53AQI
55AQI
55AQI
53AQI
47AQI
43AQI
46AQI
47AQI
56AQI
47AQI
47AQI
47AQI
45AQI
42AQI
42AQI
39AQI
41AQI
43AQI
47AQI
51AQI
42AQI
44AQI
49AQI
52AQI
49AQI
46AQI
53AQI
55AQI
58AQI
57AQI
55AQI
53AQI
50AQI
43AQI
44AQI
36AQI
33AQI
41AQI
40AQI
35AQI
34AQI
34AQI
30AQI
31AQI
32AQI
30AQI
34AQI
33AQI
35AQI
38AQI
41AQI
38AQI
39AQI
48AQI
48AQI
54AQI
61AQI
70AQI
78AQI
70AQI
65AQI
55AQI
36AQI
41AQI
48AQI
56AQI
56AQI
51AQI
52AQI
46AQI
41AQI
49AQI
49AQI
44AQI
42AQI
No. of days
202549AQI
Highest AQI recorded in
February56AQI
Lowest AQI recorded in
June41AQI
202417AQI
Highest AQI recorded in
June54AQI
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
202115AQI
Highest AQI recorded in
April46AQI
Lowest AQI recorded in
December0AQI
202036AQI
Highest AQI recorded in
April46AQI
Lowest AQI recorded in
June30AQI
Most & Least Polluted Years Over the Last 6 Years
Samalaju's annual 2025 AQI (49) shows an average percentage change of 129.2% (worsened AQI) compared to previous years: 2020 (36), 2021 (15), 2022 (0), 2023 (0), 2024 (17).