Thakhek District, Khammouane Province, Laos 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
Thakhek District, Khammouane Province, Laos
AQI Trends: Highest and Lowest
Same Day Analysis (20th September ):
On this day, AQI across the 2 years varied significantly: 2025 ranks 1st highest AQI at 33 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 20th Sep - 21st Sep 2025
Thakhek District, Khammouane Province, Laos
5 AM20th Sep 2025
6 PM
4 AM21st Sep 2025
38AQI
24AQI
49AQI
31AQI
In the last 24 hours,
Thakhek District's AQI reached its highest point of 49 at 8 PM during the Night, while the lowest point, 24, was recorded at 3 PM during the Day between 20th Sep and 21st Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
Thakhek District, Khammouane Province, Laos
27°C23/32°C
27°C23/32°C
28°C23/34°C
25°C23/26°C
24°C23/28°C
24°C23/27°C
25°C23/27°C
27°C23/33°C
23°C22/26°C
26°C22/31°C
27°C23/33°C
27°C24/32°C
27°C23/31°C
28°C24/34°C
28°C24/33°C
28°C25/32°C
27°C24/33°C
26°C23/29°C
25°C23/28°C
26°C23/30°C
27°C24/33°C
29°C24/35°C
28°C24/33°C
27°C23/33°C
27°C24/32°C
27°C23/32°C
27°C24/32°C
27°C23/32°C
26°C24/31°C
26°C24/30°C
--°C/°C
47AQI
36AQI
47AQI
45AQI
2025 Days Vs Air Quality
Thakhek District, Khammouane Province, Laos
25%
65
59%
154
15%
40
2%
4
Total number of days with different AQI categories in last 264 days in 2025 (101 days remaining)
Under WHO’s Safe Air Quality Limits: 25%
Health Risk Level:
Very high
In 2025, 25% of 264 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
Thakhek District, Khammouane Province, Laos
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
104AQI
102AQI
107AQI
116AQI
110AQI
126AQI
128AQI
108AQI
92AQI
78AQI
86AQI
94AQI
95AQI
96AQI
74AQI
85AQI
115AQI
111AQI
108AQI
118AQI
136AQI
125AQI
129AQI
142AQI
150AQI
101AQI
77AQI
76AQI
83AQI
98AQI
111AQI
119AQI
121AQI
98AQI
65AQI
88AQI
100AQI
73AQI
59AQI
60AQI
67AQI
83AQI
91AQI
69AQI
94AQI
87AQI
105AQI
91AQI
82AQI
86AQI
87AQI
73AQI
71AQI
48AQI
51AQI
55AQI
57AQI
70AQI
87AQI
109AQI
120AQI
111AQI
109AQI
114AQI
89AQI
64AQI
64AQI
69AQI
64AQI
74AQI
86AQI
92AQI
94AQI
96AQI
65AQI
70AQI
70AQI
91AQI
96AQI
126AQI
132AQI
144AQI
155AQI
162AQI
167AQI
158AQI
148AQI
136AQI
81AQI
70AQI
75AQI
101AQI
107AQI
133AQI
127AQI
105AQI
107AQI
110AQI
112AQI
100AQI
91AQI
83AQI
73AQI
95AQI
90AQI
96AQI
84AQI
80AQI
74AQI
79AQI
87AQI
91AQI
88AQI
85AQI
84AQI
76AQI
75AQI
83AQI
73AQI
75AQI
76AQI
68AQI
73AQI
78AQI
74AQI
77AQI
78AQI
72AQI
67AQI
63AQI
51AQI
51AQI
59AQI
55AQI
49AQI
54AQI
58AQI
52AQI
56AQI
56AQI
57AQI
50AQI
55AQI
49AQI
41AQI
41AQI
43AQI
50AQI
45AQI
48AQI
49AQI
49AQI
52AQI
51AQI
56AQI
64AQI
63AQI
64AQI
57AQI
58AQI
54AQI
50AQI
52AQI
46AQI
45AQI
43AQI
46AQI
49AQI
54AQI
51AQI
53AQI
54AQI
53AQI
51AQI
52AQI
56AQI
55AQI
53AQI
52AQI
55AQI
56AQI
56AQI
54AQI
55AQI
57AQI
56AQI
54AQI
56AQI
55AQI
57AQI
57AQI
58AQI
56AQI
57AQI
59AQI
60AQI
56AQI
57AQI
53AQI
54AQI
54AQI
53AQI
48AQI
45AQI
50AQI
52AQI
52AQI
50AQI
51AQI
48AQI
50AQI
54AQI
58AQI
57AQI
58AQI
57AQI
56AQI
53AQI
54AQI
51AQI
52AQI
50AQI
44AQI
49AQI
50AQI
49AQI
46AQI
45AQI
40AQI
41AQI
45AQI
50AQI
52AQI
49AQI
47AQI
47AQI
45AQI
40AQI
44AQI
44AQI
47AQI
44AQI
43AQI
45AQI
46AQI
49AQI
42AQI
46AQI
47AQI
49AQI
49AQI
47AQI
44AQI
43AQI
44AQI
43AQI
43AQI
42AQI
42AQI
43AQI
39AQI
33AQI
33AQI
106AQI
80AQI
104AQI
91AQI
58AQI
53AQI
54AQI
49AQI
43AQI
No. of days
202572AQI
Highest AQI recorded in
January106AQI
Lowest AQI recorded in
September43AQI
202454AQI
Highest AQI recorded in
November77AQI
Lowest AQI recorded in
August38AQI
2023112AQI
Highest AQI recorded in
March151AQI
Lowest AQI recorded in
December44AQI
202291AQI
Highest AQI recorded in
October125AQI
Lowest AQI recorded in
November83AQI
Most & Least Polluted Years Over the Last 4 Years
Thakhek District's annual 2025 AQI (72) shows an average percentage change of -7.9% (improved AQI) compared to previous years: 2022 (91), 2023 (112), 2024 (54).