Vung Tau, Ba Ria - Vung Tau, Vietnam Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
September Air Quality Analysis
Vung Tau, Ba Ria - Vung Tau, Vietnam
AQI Trends: Highest and Lowest
Same Day Analysis (21st September ):
On this day, AQI across the 1 years varied significantly: 2025 ranks 1st highest AQI at 39 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 21st Sep - 22nd Sep 2025
Vung Tau, Ba Ria - Vung Tau, Vietnam
5 AM21st Sep 2025
5 PM
4 AM22nd Sep 2025
40AQI
26AQI
46AQI
37AQI
In the last 24 hours,
Vung Tau's AQI reached its highest point of 46 at 8 PM during the Night, while the lowest point, 26, was recorded at 9 AM during the Day between 21st Sep and 22nd Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
Vung Tau, Ba Ria - Vung Tau, Vietnam
28°C26/30°C
27°C26/29°C
28°C26/29°C
28°C27/30°C
28°C26/31°C
28°C26/31°C
28°C26/30°C
28°C26/31°C
28°C26/29°C
28°C26/29°C
27°C26/28°C
28°C26/30°C
28°C26/30°C
28°C27/30°C
28°C27/30°C
28°C27/29°C
27°C26/29°C
28°C27/29°C
28°C26/31°C
28°C26/30°C
28°C27/29°C
28°C27/29°C
28°C27/29°C
28°C26/30°C
28°C26/29°C
27°C26/30°C
27°C26/30°C
27°C25/29°C
28°C26/31°C
28°C26/30°C
--°C/°C
43AQI
31AQI
43AQI
38AQI
2025 Days Vs Air Quality
Vung Tau, Ba Ria - Vung Tau, Vietnam
97%
112
3%
4
Total number of days with different AQI categories in last 265 days in 2025 (100 days remaining)
Under WHO’s Safe Air Quality Limits: 97%
Health Risk Level:
Very Low
In 2025, 97% of 265 days were within WHO’s safe air quality limits. The risk of health issues is Very Low, but health impacts are still unclear.
Annual Air Quality Insights
Vung Tau, Ba Ria - Vung Tau, Vietnam
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
28AQI
36AQI
33AQI
37AQI
46AQI
47AQI
48AQI
50AQI
34AQI
31AQI
23AQI
29AQI
34AQI
33AQI
32AQI
33AQI
36AQI
37AQI
38AQI
44AQI
42AQI
40AQI
41AQI
37AQI
36AQI
33AQI
35AQI
36AQI
35AQI
40AQI
38AQI
34AQI
42AQI
39AQI
38AQI
38AQI
41AQI
39AQI
38AQI
37AQI
36AQI
36AQI
39AQI
36AQI
37AQI
40AQI
41AQI
42AQI
39AQI
39AQI
37AQI
38AQI
39AQI
36AQI
41AQI
37AQI
38AQI
40AQI
40AQI
38AQI
39AQI
41AQI
41AQI
43AQI
51AQI
51AQI
51AQI
51AQI
50AQI
48AQI
47AQI
46AQI
48AQI
48AQI
46AQI
42AQI
42AQI
43AQI
40AQI
38AQI
36AQI
36AQI
39AQI
42AQI
38AQI
38AQI
40AQI
41AQI
39AQI
38AQI
40AQI
43AQI
45AQI
44AQI
43AQI
44AQI
45AQI
40AQI
29AQI
37AQI
37AQI
39AQI
41AQI
39AQI
41AQI
38AQI
38AQI
34AQI
35AQI
36AQI
39AQI
39AQI
41AQI
41AQI
42AQI
39AQI
32AQI
37AQI
39AQI
43AQI
39AQI
No. of days
202539AQI
Highest AQI recorded in
August43AQI
Lowest AQI recorded in
May32AQI
Most & Least Polluted Years Over the Last 1 Years
Vung Tau's annual 2025 AQI (39) shows an average percentage change of NaN% (improved AQI) compared to previous years: .