Johor Bahru, Johor, 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
Johor Bahru, Johor, Malaysia
AQI Trends: Highest and Lowest
Same Day Analysis (2nd August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 56 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 3rd Aug - 4th Aug 2025
Johor Bahru, Johor, Malaysia
7 AM3rd Aug 2025
7 PM
6 AM4th Aug 2025
AQI
AQI
59AQI
49AQI
In the last 24 hours,
Johor Bahru's AQI reached its highest point of 59 at 12 AM during the Night, while the lowest point, 49, was recorded at 7 PM during the Night between 3rd Aug and 4th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Johor Bahru, Johor, Malaysia
28°C27/31°C
28°C26/31°C
29°C27/32°C
29°C27/31°C
28°C26/31°C
28°C27/31°C
29°C27/31°C
28°C26/30°C
28°C26/31°C
28°C26/31°C
27°C26/30°C
28°C26/30°C
29°C27/32°C
29°C27/31°C
28°C27/31°C
28°C26/31°C
28°C26/30°C
28°C26/31°C
28°C26/30°C
28°C26/32°C
28°C26/31°C
28°C26/31°C
28°C26/31°C
29°C27/31°C
29°C27/31°C
29°C27/31°C
29°C27/31°C
29°C26/31°C
29°C27/32°C
--°C/°C
--°C/°C
52AQI
52AQI
53AQI
53AQI
2025 Days Vs Air Quality
Johor Bahru, Johor, Malaysia
33%
71
67%
143
Total number of days with different AQI categories in last 215 days in 2025 (150 days remaining)
Under WHO’s Safe Air Quality Limits: 33%
Health Risk Level:
High
In 2025, 33% 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
Johor Bahru, Johor, Malaysia
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
55AQI
56AQI
56AQI
57AQI
56AQI
56AQI
55AQI
55AQI
55AQI
55AQI
54AQI
53AQI
53AQI
54AQI
56AQI
54AQI
54AQI
54AQI
55AQI
54AQI
55AQI
55AQI
55AQI
56AQI
56AQI
55AQI
55AQI
55AQI
54AQI
55AQI
55AQI
55AQI
57AQI
58AQI
56AQI
56AQI
56AQI
56AQI
56AQI
55AQI
55AQI
54AQI
54AQI
55AQI
54AQI
56AQI
55AQI
57AQI
56AQI
59AQI
57AQI
58AQI
58AQI
57AQI
56AQI
57AQI
56AQI
56AQI
56AQI
55AQI
55AQI
55AQI
55AQI
54AQI
54AQI
54AQI
53AQI
53AQI
51AQI
51AQI
50AQI
50AQI
48AQI
48AQI
46AQI
45AQI
46AQI
47AQI
47AQI
50AQI
50AQI
51AQI
52AQI
53AQI
56AQI
57AQI
56AQI
58AQI
57AQI
56AQI
56AQI
55AQI
54AQI
53AQI
52AQI
50AQI
49AQI
50AQI
48AQI
49AQI
48AQI
49AQI
47AQI
47AQI
49AQI
50AQI
50AQI
52AQI
51AQI
50AQI
51AQI
51AQI
51AQI
52AQI
52AQI
52AQI
52AQI
52AQI
52AQI
51AQI
51AQI
51AQI
51AQI
51AQI
51AQI
52AQI
53AQI
54AQI
53AQI
53AQI
51AQI
49AQI
49AQI
50AQI
50AQI
51AQI
51AQI
50AQI
48AQI
48AQI
47AQI
46AQI
47AQI
47AQI
45AQI
43AQI
44AQI
45AQI
47AQI
48AQI
50AQI
49AQI
50AQI
51AQI
51AQI
52AQI
50AQI
48AQI
44AQI
46AQI
43AQI
44AQI
45AQI
43AQI
41AQI
41AQI
41AQI
42AQI
42AQI
42AQI
44AQI
45AQI
44AQI
46AQI
46AQI
47AQI
49AQI
51AQI
52AQI
52AQI
52AQI
52AQI
52AQI
52AQI
52AQI
52AQI
52AQI
50AQI
51AQI
50AQI
49AQI
50AQI
49AQI
50AQI
51AQI
51AQI
52AQI
52AQI
52AQI
52AQI
52AQI
52AQI
52AQI
53AQI
53AQI
53AQI
54AQI
54AQI
54AQI
55AQI
55AQI
56AQI
57AQI
56AQI
55AQI
56AQI
52AQI
51AQI
49AQI
46AQI
52AQI
57AQI
No. of days
202552AQI
Highest AQI recorded in
August57AQI
Lowest AQI recorded in
June46AQI
202423AQI
Highest AQI recorded in
July54AQI
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
202118AQI
Highest AQI recorded in
April56AQI
Lowest AQI recorded in
December0AQI
202046AQI
Highest AQI recorded in
October52AQI
Lowest AQI recorded in
March40AQI
Most & Least Polluted Years Over the Last 6 Years
Johor Bahru's annual 2025 AQI (52) shows an average percentage change of 103.9% (worsened AQI) compared to previous years: 2020 (46), 2021 (18), 2022 (0), 2023 (0), 2024 (23).