Country Background
HistoryAQIPM2.5PM10COSO2NO2O3

Si Wichai, Lamphun, 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+

March Air Quality Analysis

Si Wichai, Lamphun, Thailand

2023
2024
2025
2026
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
2nd Mar 2023
198AQI
Lowest AQI recorded on
30th Mar 2024
39AQI

Same Day Analysis (10th March):
On this day, AQI across the 4 years varied significantly: 2026 ranks 3rd highest AQI at 106 of Poor air quality, showing improvement over 2024 and 2023 on the same day.

Download 2024 Annual Data

World Air Quality Report

Globe

Day & Night AQI Trend: 10th Mar - 11th Mar 2026

Si Wichai, Lamphun, Thailand

AQI
Day
Night
.

6 AM10th Mar 2026

6 PM

5 AM11th Mar 2026

Day time
Avg. Highest Time
8AM10th Mar

146AQI

Avg. Lowest Time
1PM10th Mar

85AQI

Night time
Avg. Highest Time
9PM10th Mar

90AQI

Avg. Lowest Time
4AM11th Mar

49AQI

In the last 24 hours,

Si Wichai's AQI reached its highest point of 146 at 8 AM during the Day, while the lowest point, 49, was recorded at 4 AM during the Night between 10th Mar and 11th Mar 2026.

Day & Night AQI Trend : Feb - Mar 2026

Si Wichai, Lamphun, Thailand

FebMar
10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th
Day
Night
10th Feb 2026926 AMAQI
10th Feb 2026987 AMAQI
10th Feb 20261258 AMAQI
10th Feb 20261369 AMAQI
10th Feb 202613810 AMAQI
10th Feb 202613211 AMAQI
10th Feb 202610612 PMAQI
10th Feb 2026871 PMAQI
10th Feb 2026852 PMAQI
10th Feb 2026843 PMAQI
10th Feb 2026894 PMAQI
10th Feb 2026885 PMAQI
10th Feb 20261046 PMAQI
10th Feb 20261187 PMAQI
10th Feb 2026978 PMAQI
10th Feb 20261049 PMAQI
10th Feb 20264410 PMAQI
10th Feb 202611411 PMAQI
11th Feb 202611512 AMAQI
11th Feb 2026991 AMAQI
11th Feb 20261042 AMAQI
11th Feb 20261143 AMAQI
11th Feb 20261284 AMAQI
11th Feb 20261225 AMAQI

25°C17/35°C

11th Feb 20261096 AMAQI
11th Feb 20261217 AMAQI
11th Feb 20261358 AMAQI
11th Feb 20261289 AMAQI
11th Feb 202613010 AMAQI
11th Feb 202610811 AMAQI
11th Feb 20268812 PMAQI
11th Feb 2026841 PMAQI
11th Feb 2026812 PMAQI
11th Feb 2026803 PMAQI
11th Feb 2026744 PMAQI
11th Feb 2026795 PMAQI
11th Feb 2026786 PMAQI
11th Feb 2026807 PMAQI
11th Feb 2026838 PMAQI
11th Feb 2026949 PMAQI
11th Feb 202610010 PMAQI
11th Feb 20269911 PMAQI
12th Feb 20269812 AMAQI
12th Feb 20261101 AMAQI
12th Feb 20261082 AMAQI
12th Feb 20261123 AMAQI
12th Feb 20261054 AMAQI
12th Feb 20261095 AMAQI

26°C18/36°C

12th Feb 20261116 AMAQI
12th Feb 20261227 AMAQI
12th Feb 20261348 AMAQI
12th Feb 20261509 AMAQI
12th Feb 202612810 AMAQI
12th Feb 202611411 AMAQI
12th Feb 20269412 PMAQI
12th Feb 2026971 PMAQI
12th Feb 2026962 PMAQI
12th Feb 2026743 PMAQI
12th Feb 2026494 PMAQI
12th Feb 2026595 PMAQI
12th Feb 2026576 PMAQI
12th Feb 2026587 PMAQI
12th Feb 2026628 PMAQI
12th Feb 2026609 PMAQI
12th Feb 20266010 PMAQI
12th Feb 20266411 PMAQI
13th Feb 20268412 AMAQI
13th Feb 20261001 AMAQI
13th Feb 2026982 AMAQI
13th Feb 20261043 AMAQI
13th Feb 20261054 AMAQI
13th Feb 20261165 AMAQI

26°C18/37°C

13th Feb 20261286 AMAQI
13th Feb 20261417 AMAQI
13th Feb 20261538 AMAQI
13th Feb 20261529 AMAQI
13th Feb 202615310 AMAQI
13th Feb 202613511 AMAQI
13th Feb 202610312 PMAQI
13th Feb 2026621 PMAQI
13th Feb 2026582 PMAQI
13th Feb 2026423 PMAQI
13th Feb 2026424 PMAQI
13th Feb 2026445 PMAQI
13th Feb 2026736 PMAQI
13th Feb 2026677 PMAQI
13th Feb 2026748 PMAQI
13th Feb 2026849 PMAQI
13th Feb 20268510 PMAQI
13th Feb 20268511 PMAQI
14th Feb 20268012 AMAQI
14th Feb 2026991 AMAQI
14th Feb 20261042 AMAQI
14th Feb 20261053 AMAQI
14th Feb 20261054 AMAQI
14th Feb 20261045 AMAQI

26°C17/37°C

14th Feb 20261086 AMAQI
14th Feb 20261327 AMAQI
14th Feb 20261508 AMAQI
14th Feb 20261319 AMAQI
14th Feb 202613210 AMAQI
14th Feb 202613611 AMAQI
14th Feb 202612412 PMAQI
14th Feb 2026881 PMAQI
14th Feb 2026762 PMAQI
14th Feb 2026823 PMAQI
14th Feb 2026854 PMAQI
14th Feb 2026825 PMAQI
14th Feb 2026836 PMAQI
14th Feb 2026847 PMAQI
14th Feb 2026908 PMAQI
14th Feb 2026879 PMAQI
14th Feb 20269810 PMAQI
14th Feb 202611111 PMAQI
15th Feb 202610812 AMAQI
15th Feb 20261161 AMAQI
15th Feb 20261052 AMAQI
15th Feb 20261053 AMAQI
15th Feb 20261184 AMAQI
15th Feb 20261225 AMAQI

26°C17/36°C

15th Feb 20261286 AMAQI
15th Feb 20261407 AMAQI
15th Feb 20261388 AMAQI
15th Feb 20261489 AMAQI
15th Feb 202612210 AMAQI
15th Feb 202610811 AMAQI
15th Feb 202611412 PMAQI
15th Feb 20261001 PMAQI
15th Feb 20261002 PMAQI
15th Feb 2026963 PMAQI
15th Feb 2026964 PMAQI
15th Feb 2026985 PMAQI
15th Feb 2026946 PMAQI
15th Feb 20261087 PMAQI
15th Feb 20261148 PMAQI
15th Feb 20261119 PMAQI
15th Feb 202612610 PMAQI
15th Feb 202612811 PMAQI
16th Feb 202613212 AMAQI
16th Feb 20261261 AMAQI
16th Feb 20261262 AMAQI
16th Feb 20261343 AMAQI
16th Feb 20261304 AMAQI
16th Feb 20261285 AMAQI

26°C17/37°C

16th Feb 20261306 AMAQI
16th Feb 20261367 AMAQI
16th Feb 20261428 AMAQI
16th Feb 20261329 AMAQI
16th Feb 202614010 AMAQI
16th Feb 202613611 AMAQI
16th Feb 202614812 PMAQI
16th Feb 20261381 PMAQI
16th Feb 20261072 PMAQI
16th Feb 2026733 PMAQI
16th Feb 2026804 PMAQI
16th Feb 2026765 PMAQI
16th Feb 2026896 PMAQI
16th Feb 2026947 PMAQI
16th Feb 20261018 PMAQI
16th Feb 20261169 PMAQI
16th Feb 202611110 PMAQI
16th Feb 202612011 PMAQI
17th Feb 202611612 AMAQI
17th Feb 20261261 AMAQI
17th Feb 20261202 AMAQI
17th Feb 20261213 AMAQI
17th Feb 20261144 AMAQI
17th Feb 20261305 AMAQI

26°C17/37°C

17th Feb 20261286 AMAQI
17th Feb 20261407 AMAQI
17th Feb 20261498 AMAQI
17th Feb 20261429 AMAQI
17th Feb 202613910 AMAQI
17th Feb 202614411 AMAQI
17th Feb 202610812 PMAQI
17th Feb 2026851 PMAQI
17th Feb 2026792 PMAQI
17th Feb 2026903 PMAQI
17th Feb 2026954 PMAQI
17th Feb 2026885 PMAQI
17th Feb 20261356 PMAQI
17th Feb 20261387 PMAQI
17th Feb 20261528 PMAQI
17th Feb 20261529 PMAQI
17th Feb 202614810 PMAQI
17th Feb 202614411 PMAQI
18th Feb 202615212 AMAQI
18th Feb 20261461 AMAQI
18th Feb 20261452 AMAQI
18th Feb 20261443 AMAQI
18th Feb 20261524 AMAQI
18th Feb 20261515 AMAQI

27°C18/38°C

18th Feb 20261506 AMAQI
18th Feb 20261547 AMAQI
18th Feb 20261568 AMAQI
18th Feb 20261569 AMAQI
18th Feb 202615410 AMAQI
18th Feb 202613611 AMAQI
18th Feb 202611512 PMAQI
18th Feb 20261321 PMAQI
18th Feb 20261362 PMAQI
18th Feb 20261353 PMAQI
18th Feb 20261084 PMAQI
18th Feb 20261035 PMAQI
18th Feb 20261086 PMAQI
18th Feb 20261127 PMAQI
18th Feb 20261348 PMAQI
18th Feb 20261459 PMAQI
18th Feb 202613110 PMAQI
18th Feb 202613211 PMAQI
19th Feb 202612612 AMAQI
19th Feb 20261291 AMAQI
19th Feb 20261442 AMAQI
19th Feb 20261393 AMAQI
19th Feb 20261424 AMAQI
19th Feb 20261385 AMAQI

26°C22/33°C

19th Feb 20261496 AMAQI
19th Feb 20261517 AMAQI
19th Feb 20261568 AMAQI
19th Feb 20261569 AMAQI
19th Feb 202615210 AMAQI
19th Feb 202615611 AMAQI
19th Feb 202613412 PMAQI
19th Feb 20261061 PMAQI
19th Feb 20261152 PMAQI
19th Feb 20261083 PMAQI
19th Feb 2026944 PMAQI
19th Feb 2026855 PMAQI
19th Feb 2026956 PMAQI
19th Feb 2026987 PMAQI
19th Feb 20261018 PMAQI
19th Feb 2026999 PMAQI
19th Feb 202610410 PMAQI
19th Feb 20269711 PMAQI
20th Feb 202610012 AMAQI
20th Feb 20261051 AMAQI
20th Feb 20261162 AMAQI
20th Feb 20261143 AMAQI
20th Feb 20261084 AMAQI
20th Feb 20261065 AMAQI

25°C20/33°C

20th Feb 20261096 AMAQI
20th Feb 20261167 AMAQI
20th Feb 20261328 AMAQI
20th Feb 20261309 AMAQI
20th Feb 202612210 AMAQI
20th Feb 202610811 AMAQI
20th Feb 20268112 PMAQI
20th Feb 2026741 PMAQI
20th Feb 2026742 PMAQI
20th Feb 2026763 PMAQI
20th Feb 2026734 PMAQI
20th Feb 2026705 PMAQI
20th Feb 2026786 PMAQI
20th Feb 2026987 PMAQI
20th Feb 2026928 PMAQI
20th Feb 20261069 PMAQI
20th Feb 202612010 PMAQI
20th Feb 202611511 PMAQI
21st Feb 20268112 AMAQI
21st Feb 2026601 AMAQI
21st Feb 2026562 AMAQI
21st Feb 2026653 AMAQI
21st Feb 2026704 AMAQI
21st Feb 2026725 AMAQI

26°C20/34°C

21st Feb 2026786 AMAQI
21st Feb 2026857 AMAQI
21st Feb 20261008 AMAQI
21st Feb 20261209 AMAQI
21st Feb 202613210 AMAQI
21st Feb 202610711 AMAQI
21st Feb 20268612 PMAQI
21st Feb 2026901 PMAQI
21st Feb 2026962 PMAQI
21st Feb 20261053 PMAQI
21st Feb 20261124 PMAQI
21st Feb 20261105 PMAQI
21st Feb 20261096 PMAQI
21st Feb 20261167 PMAQI
21st Feb 20261128 PMAQI
21st Feb 20261049 PMAQI
21st Feb 202610610 PMAQI
21st Feb 202610011 PMAQI
22nd Feb 202610912 AMAQI
22nd Feb 20261021 AMAQI
22nd Feb 20261042 AMAQI
22nd Feb 20261063 AMAQI
22nd Feb 20261064 AMAQI
22nd Feb 20261085 AMAQI

26°C19/37°C

22nd Feb 20261156 AMAQI
22nd Feb 20261157 AMAQI
22nd Feb 20261318 AMAQI
22nd Feb 20261299 AMAQI
22nd Feb 202612210 AMAQI
22nd Feb 202610811 AMAQI
22nd Feb 202610012 PMAQI
22nd Feb 20261101 PMAQI
22nd Feb 2026962 PMAQI
22nd Feb 20261043 PMAQI
22nd Feb 2026974 PMAQI
22nd Feb 2026965 PMAQI
22nd Feb 20261006 PMAQI
22nd Feb 20261187 PMAQI
22nd Feb 20261188 PMAQI
22nd Feb 20261209 PMAQI
22nd Feb 202611410 PMAQI
22nd Feb 202612411 PMAQI
23rd Feb 202611212 AMAQI
23rd Feb 20261111 AMAQI
23rd Feb 20261122 AMAQI
23rd Feb 20261143 AMAQI
23rd Feb 20261184 AMAQI
23rd Feb 20261155 AMAQI

24°C19/34°C

23rd Feb 20261256 AMAQI
23rd Feb 20261417 AMAQI
23rd Feb 20261488 AMAQI
23rd Feb 20261529 AMAQI
23rd Feb 202614010 AMAQI
23rd Feb 202614611 AMAQI
23rd Feb 202610212 PMAQI
23rd Feb 2026981 PMAQI
23rd Feb 2026862 PMAQI
23rd Feb 2026933 PMAQI
23rd Feb 2026844 PMAQI
23rd Feb 2026845 PMAQI
23rd Feb 2026876 PMAQI
23rd Feb 2026857 PMAQI
23rd Feb 2026968 PMAQI
23rd Feb 2026929 PMAQI
23rd Feb 20269710 PMAQI
23rd Feb 20269711 PMAQI
24th Feb 20269312 AMAQI
24th Feb 2026951 AMAQI
24th Feb 2026942 AMAQI
24th Feb 2026903 AMAQI
24th Feb 2026924 AMAQI
24th Feb 2026895 AMAQI

25°C20/32°C

24th Feb 2026946 AMAQI
24th Feb 2026957 AMAQI
24th Feb 20261128 AMAQI
24th Feb 20261169 AMAQI
24th Feb 202611410 AMAQI
24th Feb 202610811 AMAQI
24th Feb 202610612 PMAQI
24th Feb 2026861 PMAQI
24th Feb 2026792 PMAQI
24th Feb 2026833 PMAQI
24th Feb 2026904 PMAQI
24th Feb 2026905 PMAQI
24th Feb 2026876 PMAQI
24th Feb 2026977 PMAQI
24th Feb 2026968 PMAQI
24th Feb 2026869 PMAQI
24th Feb 20268310 PMAQI
24th Feb 20268411 PMAQI
25th Feb 20268312 AMAQI
25th Feb 2026761 AMAQI
25th Feb 2026762 AMAQI
25th Feb 2026743 AMAQI
25th Feb 2026724 AMAQI
25th Feb 2026725 AMAQI

24°C20/28°C

25th Feb 2026806 AMAQI
25th Feb 2026827 AMAQI
25th Feb 2026888 AMAQI
25th Feb 2026949 AMAQI
25th Feb 20269610 AMAQI
25th Feb 20269611 AMAQI
25th Feb 20268012 PMAQI
25th Feb 2026231 PMAQI
25th Feb 2026252 PMAQI
25th Feb 2026233 PMAQI
25th Feb 2026214 PMAQI
25th Feb 2026385 PMAQI
25th Feb 2026556 PMAQI
25th Feb 2026547 PMAQI
25th Feb 2026558 PMAQI
25th Feb 2026539 PMAQI
25th Feb 20266010 PMAQI
25th Feb 20265711 PMAQI
26th Feb 20265512 AMAQI
26th Feb 2026481 AMAQI
26th Feb 2026482 AMAQI
26th Feb 2026543 AMAQI
26th Feb 2026534 AMAQI
26th Feb 2026555 AMAQI

23°C17/32°C

26th Feb 2026586 AMAQI
26th Feb 2026647 AMAQI
26th Feb 2026728 AMAQI
26th Feb 2026749 AMAQI
26th Feb 20267410 AMAQI
26th Feb 20267111 AMAQI
26th Feb 20267412 PMAQI
26th Feb 2026191 PMAQI
26th Feb 2026302 PMAQI
26th Feb 2026363 PMAQI
26th Feb 2026404 PMAQI
26th Feb 2026315 PMAQI
26th Feb 2026416 PMAQI
26th Feb 2026677 PMAQI
26th Feb 2026718 PMAQI
26th Feb 2026719 PMAQI
26th Feb 20267810 PMAQI
26th Feb 20268011 PMAQI
27th Feb 20267112 AMAQI
27th Feb 2026791 AMAQI
27th Feb 2026802 AMAQI
27th Feb 2026783 AMAQI
27th Feb 2026764 AMAQI
27th Feb 2026805 AMAQI

24°C16/35°C

27th Feb 2026806 AMAQI
27th Feb 2026887 AMAQI
27th Feb 2026978 AMAQI
27th Feb 20261049 AMAQI
27th Feb 20269710 AMAQI
27th Feb 20269711 AMAQI
27th Feb 20266012 PMAQI
27th Feb 2026601 PMAQI
27th Feb 2026622 PMAQI
27th Feb 2026633 PMAQI
27th Feb 2026624 PMAQI
27th Feb 2026595 PMAQI
27th Feb 2026646 PMAQI
27th Feb 2026827 PMAQI
27th Feb 2026908 PMAQI
27th Feb 2026939 PMAQI
27th Feb 202610610 PMAQI
27th Feb 202611511 PMAQI
28th Feb 202610512 AMAQI
28th Feb 20261141 AMAQI
28th Feb 20261282 AMAQI
28th Feb 20261203 AMAQI
28th Feb 20261254 AMAQI
28th Feb 20261105 AMAQI

26°C18/35°C

28th Feb 2026976 AMAQI
28th Feb 20261107 AMAQI
28th Feb 20261168 AMAQI
28th Feb 20261229 AMAQI
28th Feb 202612210 AMAQI
28th Feb 202612211 AMAQI
28th Feb 202611512 PMAQI
28th Feb 20261161 PMAQI
28th Feb 20261082 PMAQI
28th Feb 20261053 PMAQI
28th Feb 20261024 PMAQI
28th Feb 2026895 PMAQI
28th Feb 2026926 PMAQI
28th Feb 2026907 PMAQI
28th Feb 2026878 PMAQI
28th Feb 2026859 PMAQI
28th Feb 20268410 PMAQI
28th Feb 202612811 PMAQI
1st Mar 202614412 AMAQI
1st Mar 20261401 AMAQI
1st Mar 20261502 AMAQI
1st Mar 20261513 AMAQI
1st Mar 20261524 AMAQI
1st Mar 20261505 AMAQI

26°C17/36°C

1st Mar 20261326 AMAQI
1st Mar 20261187 AMAQI
1st Mar 20261188 AMAQI
1st Mar 20261269 AMAQI
1st Mar 202614010 AMAQI
1st Mar 202612811 AMAQI
1st Mar 202613212 PMAQI
1st Mar 20261161 PMAQI
1st Mar 2026892 PMAQI
1st Mar 2026903 PMAQI
1st Mar 2026974 PMAQI
1st Mar 2026925 PMAQI
1st Mar 2026986 PMAQI
1st Mar 2026747 PMAQI
1st Mar 2026708 PMAQI
1st Mar 2026749 PMAQI
1st Mar 20268210 PMAQI
1st Mar 20267411 PMAQI
2nd Mar 20267612 AMAQI
2nd Mar 20261281 AMAQI
2nd Mar 20261422 AMAQI
2nd Mar 20261563 AMAQI
2nd Mar 20261554 AMAQI
2nd Mar 20261565 AMAQI

26°C17/36°C

2nd Mar 20261566 AMAQI
2nd Mar 20261507 AMAQI
2nd Mar 20261508 AMAQI
2nd Mar 20261539 AMAQI
2nd Mar 202615010 AMAQI
2nd Mar 202613211 AMAQI
2nd Mar 20269412 PMAQI
2nd Mar 2026881 PMAQI
2nd Mar 2026762 PMAQI
2nd Mar 2026643 PMAQI
2nd Mar 2026704 PMAQI
2nd Mar 2026755 PMAQI
2nd Mar 2026906 PMAQI
2nd Mar 2026937 PMAQI
2nd Mar 20261028 PMAQI
2nd Mar 2026999 PMAQI
2nd Mar 20269210 PMAQI
2nd Mar 20269011 PMAQI
3rd Mar 20268712 AMAQI
3rd Mar 2026901 AMAQI
3rd Mar 20261022 AMAQI
3rd Mar 2026903 AMAQI
3rd Mar 20261004 AMAQI
3rd Mar 20261045 AMAQI

25°C16/37°C

3rd Mar 20261096 AMAQI
3rd Mar 20261117 AMAQI
3rd Mar 20261068 AMAQI
3rd Mar 20261119 AMAQI
3rd Mar 202610010 AMAQI
3rd Mar 202613211 AMAQI
3rd Mar 202611912 PMAQI
3rd Mar 20261291 PMAQI
3rd Mar 20261282 PMAQI
3rd Mar 20261143 PMAQI
3rd Mar 20261124 PMAQI
3rd Mar 20261395 PMAQI
3rd Mar 20261186 PMAQI
3rd Mar 20261187 PMAQI
3rd Mar 20261168 PMAQI
3rd Mar 20261209 PMAQI
3rd Mar 202612610 PMAQI
3rd Mar 202611911 PMAQI
4th Mar 202612012 AMAQI
4th Mar 20261261 AMAQI
4th Mar 20261212 AMAQI
4th Mar 20261283 AMAQI
4th Mar 20261354 AMAQI
4th Mar 20261485 AMAQI

26°C16/37°C

4th Mar 20261486 AMAQI
4th Mar 20261497 AMAQI
4th Mar 20261528 AMAQI
4th Mar 20261549 AMAQI
4th Mar 202615810 AMAQI
4th Mar 202615611 AMAQI
4th Mar 202615612 PMAQI
4th Mar 20261541 PMAQI
4th Mar 20261532 PMAQI
4th Mar 20261523 PMAQI
4th Mar 20261524 PMAQI
4th Mar 20261555 PMAQI
4th Mar 20261516 PMAQI
4th Mar 20261507 PMAQI
4th Mar 20261518 PMAQI
4th Mar 20261529 PMAQI
4th Mar 202614810 PMAQI
4th Mar 202615411 PMAQI
5th Mar 202615412 AMAQI
5th Mar 20261541 AMAQI
5th Mar 20261532 AMAQI
5th Mar 20261533 AMAQI
5th Mar 20261544 AMAQI
5th Mar 20261565 AMAQI

27°C18/37°C

5th Mar 20261556 AMAQI
5th Mar 20261587 AMAQI
5th Mar 20261658 AMAQI
5th Mar 20261629 AMAQI
5th Mar 202618010 AMAQI
5th Mar 202617611 AMAQI
5th Mar 202616912 PMAQI
5th Mar 20261601 PMAQI
5th Mar 20261622 PMAQI
5th Mar 20261623 PMAQI
5th Mar 20261594 PMAQI
5th Mar 20261525 PMAQI
5th Mar 20261526 PMAQI
5th Mar 20261507 PMAQI
5th Mar 20261508 PMAQI
5th Mar 20261529 PMAQI
5th Mar 202615210 PMAQI
5th Mar 202615211 PMAQI
6th Mar 202615212 AMAQI
6th Mar 20261481 AMAQI
6th Mar 20261482 AMAQI
6th Mar 20261423 AMAQI
6th Mar 20261514 AMAQI
6th Mar 20261565 AMAQI

27°C19/37°C

6th Mar 20261566 AMAQI
6th Mar 20261597 AMAQI
6th Mar 20261608 AMAQI
6th Mar 20261659 AMAQI
6th Mar 202616110 AMAQI
6th Mar 202615411 AMAQI
6th Mar 202615412 PMAQI
6th Mar 20261491 PMAQI
6th Mar 20261342 PMAQI
6th Mar 20261203 PMAQI
6th Mar 20261104 PMAQI
6th Mar 20261065 PMAQI
6th Mar 20261146 PMAQI
6th Mar 20261127 PMAQI
6th Mar 20261268 PMAQI
6th Mar 20261349 PMAQI
6th Mar 202613510 PMAQI
6th Mar 202613411 PMAQI
7th Mar 202614212 AMAQI
7th Mar 20261311 AMAQI
7th Mar 20261402 AMAQI
7th Mar 20261353 AMAQI
7th Mar 20261504 AMAQI
7th Mar 20261385 AMAQI

26°C20/33°C

7th Mar 20261466 AMAQI
7th Mar 20261537 AMAQI
7th Mar 20261568 AMAQI
7th Mar 20261549 AMAQI
7th Mar 202615310 AMAQI
7th Mar 202614011 AMAQI
7th Mar 202613812 PMAQI
7th Mar 20261061 PMAQI
7th Mar 2026862 PMAQI
7th Mar 2026813 PMAQI
7th Mar 2026764 PMAQI
7th Mar 2026725 PMAQI
7th Mar 2026706 PMAQI
7th Mar 2026797 PMAQI
7th Mar 2026748 PMAQI
7th Mar 20261009 PMAQI
7th Mar 202612510 PMAQI
7th Mar 202614011 PMAQI
8th Mar 202612412 AMAQI
8th Mar 20261161 AMAQI
8th Mar 20261192 AMAQI
8th Mar 20261223 AMAQI
8th Mar 20261324 AMAQI
8th Mar 20261355 AMAQI

27°C19/36°C

8th Mar 20261446 AMAQI
8th Mar 20261487 AMAQI
8th Mar 20261548 AMAQI
8th Mar 20261549 AMAQI
8th Mar 202615210 AMAQI
8th Mar 202614211 AMAQI
8th Mar 202613612 PMAQI
8th Mar 20261281 PMAQI
8th Mar 20261122 PMAQI
8th Mar 20261083 PMAQI
8th Mar 20261044 PMAQI
8th Mar 20261045 PMAQI
8th Mar 20261046 PMAQI
8th Mar 20261007 PMAQI
8th Mar 20261098 PMAQI
8th Mar 20261229 PMAQI
8th Mar 202612210 PMAQI
8th Mar 202613111 PMAQI
9th Mar 202613012 AMAQI
9th Mar 20261201 AMAQI
9th Mar 20261352 AMAQI
9th Mar 20261283 AMAQI
9th Mar 20261484 AMAQI
9th Mar 20261415 AMAQI

29°C20/37°C

9th Mar 20261466 AMAQI
9th Mar 20261267 AMAQI
9th Mar 20261368 AMAQI
9th Mar 20261369 AMAQI
9th Mar 202613110 AMAQI
9th Mar 202611811 AMAQI
9th Mar 202610812 PMAQI
9th Mar 2026961 PMAQI
9th Mar 2026852 PMAQI
9th Mar 2026863 PMAQI
9th Mar 2026864 PMAQI
9th Mar 2026885 PMAQI
9th Mar 2026926 PMAQI
9th Mar 2026867 PMAQI
9th Mar 2026948 PMAQI
9th Mar 20261029 PMAQI
9th Mar 20269810 PMAQI
9th Mar 202610811 PMAQI
10th Mar 202611512 AMAQI
10th Mar 20261201 AMAQI
10th Mar 20261152 AMAQI
10th Mar 20261283 AMAQI
10th Mar 20261324 AMAQI
10th Mar 20261345 AMAQI

28°C22/37°C

10th Mar 20261216 AMAQI
10th Mar 20261307 AMAQI
10th Mar 20261468 AMAQI
10th Mar 20261459 AMAQI
10th Mar 202613010 AMAQI
10th Mar 202610211 AMAQI
10th Mar 20269012 PMAQI
10th Mar 2026851 PMAQI
10th Mar 2026902 PMAQI
10th Mar 2026863 PMAQI
10th Mar 2026864 PMAQI
10th Mar 2026875 PMAQI
10th Mar 2026926 PMAQI
10th Mar 2026877 PMAQI
10th Mar 2026878 PMAQI
10th Mar 2026909 PMAQI
10th Mar 20268010 PMAQI
10th Mar 20267211 PMAQI
11th Mar 20265712 AMAQI
11th Mar 2026561 AMAQI
11th Mar 2026542 AMAQI
11th Mar 2026503 AMAQI
11th Mar 2026494 AMAQI
11th Mar 2026525 AMAQI

27°C21/34°C

11th Mar 2026506 AMAQI
6 AM
11th Mar 2026517 AMAQI
11th Mar 2026698 AMAQI
11th Mar 2026759 AMAQI
11th Mar 20267210 AMAQI
11th Mar 20266811 AMAQI
11th Mar 20266212 PMAQI
12 PM
11th Mar 2026721 PMAQI
11th Mar 2026822 PMAQI
11th Mar 2026863 PMAQI
11th Mar 2026814 PMAQI
11th Mar 2026815 PMAQI
11th Mar 2026806 PMAQI
6 PM
11th Mar 2026727 PMAQI
11th Mar 2026728 PMAQI
11th Mar 2026769 PMAQI
11th Mar 20267610 PMAQI
11th Mar 20266611 PMAQI
12 AM
5 AM

26°C20/34°C

Day time
Avg. Highest Time
8 AM - 10 AM

132AQI

3 hours / Day
90 hours / Month
Avg. Lowest Time
3 PM - 5 PM

88AQI

3 hours / Day
90 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 8 AM to 10 AM (Avg. 132), while the lowest AQI was between 3 PM to 5 PM (Avg. 88).
Night time
Avg. Highest Time
4 AM - 5 AM

116AQI

2 hours / Day
60 hours / Month
Avg. Lowest Time
7 PM

96AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 4 AM to 5 AM (Avg. 116), while the lowest AQI was between 7 PM to 7 PM (Avg. 96).

2026 Days Vs Air Quality

Si Wichai, Lamphun, Thailand

2026

57%

39

42%

29

1%

1

Total number of days with different AQI categories in last 71 days in 2026 (294 days remaining)

Good
0 Days
Moderate
39 Days
Poor
29 Days
Unhealthy
1 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 0%

Health Risk Level:

Extreme

In 2026, 0% of 71 days were within WHO’s safe air quality limits. The risk of health issues is Extreme, potentially causing respiratory problems, heart disease, skin issues, and stress, especially for children, the elderly, and those with pre-existing conditions.

Annual Air Quality Insights

Si Wichai, Lamphun, Thailand

AQI levels in 2026

AQI (US)
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 2026
-1th undefined 2026
-1th undefined 2026
-1th undefined 2026
1st January 2026
97AQI (US)
2nd January 2026
91AQI (US)
3rd January 2026
92AQI (US)
4th January 2026
72AQI (US)
5th January 2026
72AQI (US)
6th January 2026
80AQI (US)
7th January 2026
78AQI (US)
8th January 2026
75AQI (US)
9th January 2026
71AQI (US)
10th January 2026
81AQI (US)
11th January 2026
84AQI (US)
12th January 2026
91AQI (US)
13th January 2026
94AQI (US)
14th January 2026
92AQI (US)
15th January 2026
85AQI (US)
16th January 2026
92AQI (US)
17th January 2026
73AQI (US)
18th January 2026
72AQI (US)
19th January 2026
67AQI (US)
20th January 2026
67AQI (US)
21st January 2026
69AQI (US)
22nd January 2026
91AQI (US)
23rd January 2026
92AQI (US)
24th January 2026
76AQI (US)
25th January 2026
72AQI (US)
26th January 2026
75AQI (US)
27th January 2026
86AQI (US)
28th January 2026
94AQI (US)
29th January 2026
131AQI (US)
30th January 2026
131AQI (US)
31st January 2026
133AQI (US)
1st February 2026
114AQI (US)
2nd February 2026
110AQI (US)
3rd February 2026
103AQI (US)
4th February 2026
90AQI (US)
5th February 2026
92AQI (US)
6th February 2026
99AQI (US)
7th February 2026
103AQI (US)
8th February 2026
102AQI (US)
9th February 2026
113AQI (US)
10th February 2026
98AQI (US)
11th February 2026
101AQI (US)
12th February 2026
93AQI (US)
13th February 2026
95AQI (US)
14th February 2026
103AQI (US)
15th February 2026
114AQI (US)
16th February 2026
119AQI (US)
17th February 2026
124AQI (US)
18th February 2026
137AQI (US)
19th February 2026
124AQI (US)
20th February 2026
101AQI (US)
21st February 2026
95AQI (US)
22nd February 2026
110AQI (US)
23rd February 2026
110AQI (US)
24th February 2026
94AQI (US)
25th February 2026
64AQI (US)
26th February 2026
57AQI (US)
27th February 2026
81AQI (US)
28th February 2026
108AQI (US)
1st March 2026
114AQI (US)
2nd March 2026
114AQI (US)
3rd March 2026
112AQI (US)
4th March 2026
147AQI (US)
5th March 2026
158AQI (US)
6th March 2026
141AQI (US)
7th March 2026
120AQI (US)
8th March 2026
126AQI (US)
9th March 2026
114AQI (US)
10th March 2026
106AQI (US)
11th March 2026
12th March 2026
13th March 2026
14th March 2026
15th March 2026
16th March 2026
17th March 2026
18th March 2026
19th March 2026
20th March 2026
21st March 2026
22nd March 2026
23rd March 2026
24th March 2026
25th March 2026
26th March 2026
27th March 2026
28th March 2026
29th March 2026
30th March 2026
31st March 2026
1st April 2026
2nd April 2026
3rd April 2026
4th April 2026
5th April 2026
6th April 2026
7th April 2026
8th April 2026
9th April 2026
10th April 2026
11th April 2026
12th April 2026
13th April 2026
14th April 2026
15th April 2026
16th April 2026
17th April 2026
18th April 2026
19th April 2026
20th April 2026
21st April 2026
22nd April 2026
23rd April 2026
24th April 2026
25th April 2026
26th April 2026
27th April 2026
28th April 2026
29th April 2026
30th April 2026
1st May 2026
2nd May 2026
3rd May 2026
4th May 2026
5th May 2026
6th May 2026
7th May 2026
8th May 2026
9th May 2026
10th May 2026
11th May 2026
12th May 2026
13th May 2026
14th May 2026
15th May 2026
16th May 2026
17th May 2026
18th May 2026
19th May 2026
20th May 2026
21st May 2026
22nd May 2026
23rd May 2026
24th May 2026
25th May 2026
26th May 2026
27th May 2026
28th May 2026
29th May 2026
30th May 2026
31st May 2026
1st June 2026
2nd June 2026
3rd June 2026
4th June 2026
5th June 2026
6th June 2026
7th June 2026
8th June 2026
9th June 2026
10th June 2026
11th June 2026
12th June 2026
13th June 2026
14th June 2026
15th June 2026
16th June 2026
17th June 2026
18th June 2026
19th June 2026
20th June 2026
21st June 2026
22nd June 2026
23rd June 2026
24th June 2026
25th June 2026
26th June 2026
27th June 2026
28th June 2026
29th June 2026
30th June 2026
1st July 2026
2nd July 2026
3rd July 2026
4th July 2026
5th July 2026
6th July 2026
7th July 2026
8th July 2026
9th July 2026
10th July 2026
11th July 2026
12th July 2026
13th July 2026
14th July 2026
15th July 2026
16th July 2026
17th July 2026
18th July 2026
19th July 2026
20th July 2026
21st July 2026
22nd July 2026
23rd July 2026
24th July 2026
25th July 2026
26th July 2026
27th July 2026
28th July 2026
29th July 2026
30th July 2026
31st July 2026
1st August 2026
2nd August 2026
3rd August 2026
4th August 2026
5th August 2026
6th August 2026
7th August 2026
8th August 2026
9th August 2026
10th August 2026
11th August 2026
12th August 2026
13th August 2026
14th August 2026
15th August 2026
16th August 2026
17th August 2026
18th August 2026
19th August 2026
20th August 2026
21st August 2026
22nd August 2026
23rd August 2026
24th August 2026
25th August 2026
26th August 2026
27th August 2026
28th August 2026
29th August 2026
30th August 2026
31st August 2026
1st September 2026
2nd September 2026
3rd September 2026
4th September 2026
5th September 2026
6th September 2026
7th September 2026
8th September 2026
9th September 2026
10th September 2026
11th September 2026
12th September 2026
13th September 2026
14th September 2026
15th September 2026
16th September 2026
17th September 2026
18th September 2026
19th September 2026
20th September 2026
21st September 2026
22nd September 2026
23rd September 2026
24th September 2026
25th September 2026
26th September 2026
27th September 2026
28th September 2026
29th September 2026
30th September 2026
1st October 2026
2nd October 2026
3rd October 2026
4th October 2026
5th October 2026
6th October 2026
7th October 2026
8th October 2026
9th October 2026
10th October 2026
11th October 2026
12th October 2026
13th October 2026
14th October 2026
15th October 2026
16th October 2026
17th October 2026
18th October 2026
19th October 2026
20th October 2026
21st October 2026
22nd October 2026
23rd October 2026
24th October 2026
25th October 2026
26th October 2026
27th October 2026
28th October 2026
29th October 2026
30th October 2026
31st October 2026
1st November 2026
2nd November 2026
3rd November 2026
4th November 2026
5th November 2026
6th November 2026
7th November 2026
8th November 2026
9th November 2026
10th November 2026
11th November 2026
12th November 2026
13th November 2026
14th November 2026
15th November 2026
16th November 2026
17th November 2026
18th November 2026
19th November 2026
20th November 2026
21st November 2026
22nd November 2026
23rd November 2026
24th November 2026
25th November 2026
26th November 2026
27th November 2026
28th November 2026
29th November 2026
30th November 2026
1st December 2026
2nd December 2026
3rd December 2026
4th December 2026
5th December 2026
6th December 2026
7th December 2026
8th December 2026
9th December 2026
10th December 2026
11th December 2026
12th December 2026
13th December 2026
14th December 2026
15th December 2026
16th December 2026
17th December 2026
18th December 2026
19th December 2026
20th December 2026
21st December 2026
22nd December 2026
23rd December 2026
24th December 2026
25th December 2026
26th December 2026
27th December 2026
28th December 2026
29th December 2026
30th December 2026
31st December 2026

86AQI (US)

102AQI (US)

125AQI (US)

No. of days

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

202698AQI (US)

28
3
11
17
9
1
39
29
1

Highest AQI (US) recorded in

March

125AQI (US)

Lowest AQI (US) recorded in

January

86AQI (US)

202574AQI (US)

16
15
11
17
7
17
7
21
9
8
23
13
17
16
15
21
10
22
8
1
30
3
25
2
26
5
84
209
65
7

Highest AQI (US) recorded in

March

123AQI (US)

Lowest AQI (US) recorded in

September

43AQI (US)

202469AQI (US)

1
18
12
2
6
21
1
3
16
11
7
6
12
5
23
8
30
28
3
28
3
2
1
2
11
30
31
124
120
61
16

Highest AQI (US) recorded in

March

136AQI (US)

Lowest AQI (US) recorded in

June

11AQI (US)

202374AQI (US)

9
20
2
2
4
7
12
3
3
5
13
2
17
11
3
25
3
26
4
30
1
25
6
23
7
25
6
5
23
1
24
7
139
114
60
38
3

Highest AQI (US) recorded in

March

151AQI (US)

Lowest AQI (US) recorded in

July

12AQI (US)

202291AQI (US)

3
1
28
1
1
8
21
2
39
22

Highest AQI (US) recorded in

December

105AQI (US)

Lowest AQI (US) recorded in

November

79AQI (US)

Most & Least Polluted Years Over the Last 5 Years

Most Polluted Year Recorded
2026(Avg.)
98AQI (US)
Least Polluted Year Recorded
2024(Avg.)
69AQI (US)

Si Wichai's annual 2026 AQI (US) (98) shows an average percentage change of 29.1% (worsened AQI (US)) compared to previous years: 2022 (91), 2023 (74), 2024 (69), 2025 (74).