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HistoryAQIPM2.5PM10COSO2NO2O3

Nong Na Kham Subdistrict, Udon Thani, Udon Thani, Thailand Historical Air Quality Analysis

Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!

Good
050
Moderate
100
Poor
150
Unhealthy
200
Severe
300
Hazardous
301+

August Air Quality Analysis

Nong Na Kham Subdistrict, Udon Thani, Udon Thani, Thailand

2023
2024
2025
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
1st Aug 2025
58AQI
Lowest AQI recorded on
1st Aug 2023
14AQI

Same Day Analysis (31st August ):
On this day, AQI across the 3 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

Globe

2025 Days Vs Air Quality

Nong Na Kham Subdistrict, Udon Thani, Udon Thani, Thailand

2025

34%

83

49%

119

15%

37

2%

5

Total number of days with different AQI categories in last 244 days in 2025 (121 days remaining)

Good
83 Days
Moderate
119 Days
Poor
37 Days
Unhealthy
5 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 34%

Health Risk Level:

High

In 2025, 34% of 244 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

Nong Na Kham Subdistrict, Udon Thani, Udon Thani, Thailand

AQI levels in 2025

AQI
PM2.5
PM10
CO
SO2
NO2
O3
Sun.Mon.Tue.Wed.Thu.Fri.Sat.

Jan.

Feb.

Mar.

Apr.

May

Jun.

Jul.

Aug.

Sep.

Oct.

Nov.

Dec.

-1th undefined 2025
-1th undefined 2025
-1th undefined 2025
1st January 2025
87AQI
2nd January 2025
89AQI
3rd January 2025
91AQI
4th January 2025
106AQI
5th January 2025
105AQI
6th January 2025
118AQI
7th January 2025
129AQI
8th January 2025
116AQI
9th January 2025
102AQI
10th January 2025
82AQI
11th January 2025
86AQI
12th January 2025
97AQI
13th January 2025
103AQI
14th January 2025
110AQI
15th January 2025
95AQI
16th January 2025
82AQI
17th January 2025
106AQI
18th January 2025
112AQI
19th January 2025
111AQI
20th January 2025
123AQI
21st January 2025
123AQI
22nd January 2025
131AQI
23rd January 2025
138AQI
24th January 2025
140AQI
25th January 2025
144AQI
26th January 2025
106AQI
27th January 2025
76AQI
28th January 2025
81AQI
29th January 2025
89AQI
30th January 2025
96AQI
31st January 2025
111AQI
1st February 2025
116AQI
2nd February 2025
123AQI
3rd February 2025
113AQI
4th February 2025
77AQI
5th February 2025
82AQI
6th February 2025
103AQI
7th February 2025
89AQI
8th February 2025
65AQI
9th February 2025
68AQI
10th February 2025
72AQI
11th February 2025
84AQI
12th February 2025
105AQI
13th February 2025
81AQI
14th February 2025
85AQI
15th February 2025
93AQI
16th February 2025
110AQI
17th February 2025
88AQI
18th February 2025
87AQI
19th February 2025
80AQI
20th February 2025
91AQI
21st February 2025
75AQI
22nd February 2025
75AQI
23rd February 2025
61AQI
24th February 2025
59AQI
25th February 2025
58AQI
26th February 2025
53AQI
27th February 2025
68AQI
28th February 2025
82AQI
1st March 2025
88AQI
2nd March 2025
94AQI
3rd March 2025
94AQI
4th March 2025
110AQI
5th March 2025
108AQI
6th March 2025
106AQI
7th March 2025
69AQI
8th March 2025
68AQI
9th March 2025
76AQI
10th March 2025
66AQI
11th March 2025
81AQI
12th March 2025
91AQI
13th March 2025
74AQI
14th March 2025
84AQI
15th March 2025
91AQI
16th March 2025
81AQI
17th March 2025
75AQI
18th March 2025
77AQI
19th March 2025
97AQI
20th March 2025
101AQI
21st March 2025
122AQI
22nd March 2025
125AQI
23rd March 2025
148AQI
24th March 2025
154AQI
25th March 2025
160AQI
26th March 2025
160AQI
27th March 2025
154AQI
28th March 2025
153AQI
29th March 2025
145AQI
30th March 2025
96AQI
31st March 2025
88AQI
1st April 2025
85AQI
2nd April 2025
100AQI
3rd April 2025
113AQI
4th April 2025
127AQI
5th April 2025
123AQI
6th April 2025
102AQI
7th April 2025
96AQI
8th April 2025
93AQI
9th April 2025
90AQI
10th April 2025
79AQI
11th April 2025
82AQI
12th April 2025
73AQI
13th April 2025
65AQI
14th April 2025
77AQI
15th April 2025
71AQI
16th April 2025
75AQI
17th April 2025
63AQI
18th April 2025
65AQI
19th April 2025
63AQI
20th April 2025
65AQI
21st April 2025
72AQI
22nd April 2025
76AQI
23rd April 2025
80AQI
24th April 2025
78AQI
25th April 2025
83AQI
26th April 2025
80AQI
27th April 2025
71AQI
28th April 2025
78AQI
29th April 2025
68AQI
30th April 2025
73AQI
1st May 2025
74AQI
2nd May 2025
72AQI
3rd May 2025
70AQI
4th May 2025
75AQI
5th May 2025
71AQI
6th May 2025
69AQI
7th May 2025
68AQI
8th May 2025
62AQI
9th May 2025
57AQI
10th May 2025
56AQI
11th May 2025
47AQI
12th May 2025
43AQI
13th May 2025
56AQI
14th May 2025
53AQI
15th May 2025
46AQI
16th May 2025
45AQI
17th May 2025
53AQI
18th May 2025
48AQI
19th May 2025
50AQI
20th May 2025
47AQI
21st May 2025
52AQI
22nd May 2025
47AQI
23rd May 2025
47AQI
24th May 2025
44AQI
25th May 2025
41AQI
26th May 2025
35AQI
27th May 2025
37AQI
28th May 2025
43AQI
29th May 2025
42AQI
30th May 2025
43AQI
31st May 2025
45AQI
1st June 2025
44AQI
2nd June 2025
41AQI
3rd June 2025
42AQI
4th June 2025
52AQI
5th June 2025
54AQI
6th June 2025
55AQI
7th June 2025
58AQI
8th June 2025
54AQI
9th June 2025
53AQI
10th June 2025
49AQI
11th June 2025
46AQI
12th June 2025
44AQI
13th June 2025
46AQI
14th June 2025
46AQI
15th June 2025
38AQI
16th June 2025
42AQI
17th June 2025
43AQI
18th June 2025
49AQI
19th June 2025
46AQI
20th June 2025
45AQI
21st June 2025
47AQI
22nd June 2025
45AQI
23rd June 2025
44AQI
24th June 2025
42AQI
25th June 2025
42AQI
26th June 2025
44AQI
27th June 2025
47AQI
28th June 2025
42AQI
29th June 2025
41AQI
30th June 2025
43AQI
1st July 2025
45AQI
2nd July 2025
43AQI
3rd July 2025
41AQI
4th July 2025
45AQI
5th July 2025
47AQI
6th July 2025
43AQI
7th July 2025
43AQI
8th July 2025
49AQI
9th July 2025
49AQI
10th July 2025
52AQI
11th July 2025
46AQI
12th July 2025
51AQI
13th July 2025
47AQI
14th July 2025
50AQI
15th July 2025
52AQI
16th July 2025
44AQI
17th July 2025
48AQI
18th July 2025
44AQI
19th July 2025
43AQI
20th July 2025
40AQI
21st July 2025
39AQI
22nd July 2025
40AQI
23rd July 2025
44AQI
24th July 2025
44AQI
25th July 2025
47AQI
26th July 2025
52AQI
27th July 2025
51AQI
28th July 2025
49AQI
29th July 2025
48AQI
30th July 2025
48AQI
31st July 2025
53AQI
1st August 2025
58AQI
2nd August 2025
56AQI
3rd August 2025
57AQI
4th August 2025
57AQI
5th August 2025
56AQI
6th August 2025
54AQI
7th August 2025
49AQI
8th August 2025
52AQI
9th August 2025
48AQI
10th August 2025
45AQI
11th August 2025
42AQI
12th August 2025
48AQI
13th August 2025
50AQI
14th August 2025
51AQI
15th August 2025
49AQI
16th August 2025
47AQI
17th August 2025
45AQI
18th August 2025
48AQI
19th August 2025
49AQI
20th August 2025
50AQI
21st August 2025
56AQI
22nd August 2025
55AQI
23rd August 2025
53AQI
24th August 2025
51AQI
25th August 2025
53AQI
26th August 2025
47AQI
27th August 2025
49AQI
28th August 2025
50AQI
29th August 2025
53AQI
30th August 2025
51AQI
31st August 2025
48AQI
1st September 2025
48AQI
2nd September 2025
3rd September 2025
4th September 2025
5th September 2025
6th September 2025
7th September 2025
8th September 2025
9th September 2025
10th September 2025
11th September 2025
12th September 2025
13th September 2025
14th September 2025
15th September 2025
16th September 2025
17th September 2025
18th September 2025
19th September 2025
20th September 2025
21st September 2025
22nd September 2025
23rd September 2025
24th September 2025
25th September 2025
26th September 2025
27th September 2025
28th September 2025
29th September 2025
30th September 2025
1st October 2025
2nd October 2025
3rd October 2025
4th October 2025
5th October 2025
6th October 2025
7th October 2025
8th October 2025
9th October 2025
10th October 2025
11th October 2025
12th October 2025
13th October 2025
14th October 2025
15th October 2025
16th October 2025
17th October 2025
18th October 2025
19th October 2025
20th October 2025
21st October 2025
22nd October 2025
23rd October 2025
24th October 2025
25th October 2025
26th October 2025
27th October 2025
28th October 2025
29th October 2025
30th October 2025
31st October 2025
1st November 2025
2nd November 2025
3rd November 2025
4th November 2025
5th November 2025
6th November 2025
7th November 2025
8th November 2025
9th November 2025
10th November 2025
11th November 2025
12th November 2025
13th November 2025
14th November 2025
15th November 2025
16th November 2025
17th November 2025
18th November 2025
19th November 2025
20th November 2025
21st November 2025
22nd November 2025
23rd November 2025
24th November 2025
25th November 2025
26th November 2025
27th November 2025
28th November 2025
29th November 2025
30th November 2025
1st December 2025
2nd December 2025
3rd December 2025
4th December 2025
5th December 2025
6th December 2025
7th December 2025
8th December 2025
9th December 2025
10th December 2025
11th December 2025
12th December 2025
13th December 2025
14th December 2025
15th December 2025
16th December 2025
17th December 2025
18th December 2025
19th December 2025
20th December 2025
21st December 2025
22nd December 2025
23rd December 2025
24th December 2025
25th December 2025
26th December 2025
27th December 2025
28th December 2025
29th December 2025
30th December 2025
31st December 2025

106AQI

84AQI

104AQI

82AQI

53AQI

46AQI

46AQI

51AQI

48AQI

No. of days

Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days

202571AQI

12
19
22
6
18
8
5
26
4
17
14
24
6
25
6
16
15
1
83
119
37
5

Highest AQI recorded in

January

106AQI

Lowest AQI recorded in

June

46AQI

202455AQI

11
6
1
2
9
3
15
15
25
6
28
2
3
4
9
1
26
3
2
26
3
101
93
6

Highest AQI recorded in

November

81AQI

Lowest AQI recorded in

April

30AQI

202342AQI

11
18
2
9
16
3
11
20
11
18
1
31
30
31
13
3
15
16
162
91
6

Highest AQI recorded in

November

73AQI

Lowest AQI recorded in

July

11AQI

202248AQI

1
3
21
9
11
17
2
33
29
2

Highest AQI recorded in

December

59AQI

Lowest AQI recorded in

November

35AQI

Most & Least Polluted Years Over the Last 4 Years

Most Polluted Year Recorded
2025(Avg.)
71AQI
Least Polluted Year Recorded
2023(Avg.)
42AQI

Nong Na Kham Subdistrict's annual 2025 AQI (71) shows an average percentage change of 49.5% (worsened AQI) compared to previous years: 2022 (48), 2023 (42), 2024 (55).