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HistoryAQIPM2.5PM10COSO2NO2O3

Rom Yen, Chiang Kham District, Phayao, 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+

February Air Quality Analysis

Rom Yen, Chiang Kham District, Phayao, Thailand

2024
2025
2026
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
17th Feb 2025
135AQI
Lowest AQI recorded on
1st Feb 2024
0AQI

Same Day Analysis (16th February):
On this day, AQI across the 3 years varied significantly: 2026 ranks 2nd highest AQI at 105 of Poor air quality, showing improvement over 2025 on the same day.

Download 2024 Annual Data

World Air Quality Report

Globe

Day & Night AQI Trend: 15th Feb - 16th Feb 2026

Rom Yen, Chiang Kham District, Phayao, Thailand

AQI
Day
Night
.

6 AM15th Feb 2026

6 PM

5 AM16th Feb 2026

Day time
Avg. Highest Time
9AM15th Feb

118AQI

Avg. Lowest Time
5PM15th Feb

84AQI

Night time
Avg. Highest Time
5AM16th Feb

111AQI

Avg. Lowest Time
7PM15th Feb

86AQI

In the last 24 hours,

Rom Yen's AQI reached its highest point of 118 at 9 AM during the Day, while the lowest point, 84, was recorded at 5 PM during the Day between 15th Feb and 16th Feb 2026.

Day & Night AQI Trend : Jan - Feb 2026

Rom Yen, Chiang Kham District, Phayao, Thailand

JanFeb
18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th
Day
Night
18th Jan 2026826 AMAQI
18th Jan 2026857 AMAQI
18th Jan 2026978 AMAQI
18th Jan 20261209 AMAQI
18th Jan 202610810 AMAQI
18th Jan 20268711 AMAQI
18th Jan 20268412 PMAQI
18th Jan 2026841 PMAQI
18th Jan 2026842 PMAQI
18th Jan 2026753 PMAQI
18th Jan 2026594 PMAQI
18th Jan 2026625 PMAQI
18th Jan 2026666 PMAQI
18th Jan 2026687 PMAQI
18th Jan 2026738 PMAQI
18th Jan 2026689 PMAQI
18th Jan 20267210 PMAQI
18th Jan 20266611 PMAQI
19th Jan 20267212 AMAQI
19th Jan 2026741 AMAQI
19th Jan 2026722 AMAQI
19th Jan 2026753 AMAQI
19th Jan 2026694 AMAQI
19th Jan 2026805 AMAQI

22°C14/31°C

19th Jan 2026866 AMAQI
19th Jan 2026857 AMAQI
19th Jan 20261008 AMAQI
19th Jan 20261029 AMAQI
19th Jan 202611110 AMAQI
19th Jan 20269011 AMAQI
19th Jan 20268412 PMAQI
19th Jan 2026761 PMAQI
19th Jan 2026792 PMAQI
19th Jan 2026663 PMAQI
19th Jan 2026684 PMAQI
19th Jan 2026675 PMAQI
19th Jan 2026676 PMAQI
19th Jan 2026727 PMAQI
19th Jan 2026838 PMAQI
19th Jan 2026729 PMAQI
19th Jan 20266710 PMAQI
19th Jan 20266911 PMAQI
20th Jan 20267012 AMAQI
20th Jan 2026681 AMAQI
20th Jan 2026682 AMAQI
20th Jan 2026683 AMAQI
20th Jan 2026844 AMAQI
20th Jan 2026815 AMAQI

21°C14/31°C

20th Jan 2026786 AMAQI
20th Jan 2026817 AMAQI
20th Jan 20261008 AMAQI
20th Jan 20261109 AMAQI
20th Jan 20268310 AMAQI
20th Jan 20268111 AMAQI
20th Jan 20268112 PMAQI
20th Jan 2026781 PMAQI
20th Jan 2026762 PMAQI
20th Jan 2026743 PMAQI
20th Jan 2026674 PMAQI
20th Jan 2026645 PMAQI
20th Jan 2026586 PMAQI
20th Jan 2026627 PMAQI
20th Jan 2026788 PMAQI
20th Jan 2026739 PMAQI
20th Jan 20267510 PMAQI
20th Jan 20268811 PMAQI
21st Jan 20268312 AMAQI
21st Jan 2026901 AMAQI
21st Jan 2026762 AMAQI
21st Jan 2026783 AMAQI
21st Jan 2026814 AMAQI
21st Jan 2026825 AMAQI

20°C12/31°C

21st Jan 2026816 AMAQI
21st Jan 2026897 AMAQI
21st Jan 2026958 AMAQI
21st Jan 20261019 AMAQI
21st Jan 20269210 AMAQI
21st Jan 20268411 AMAQI
21st Jan 20267612 PMAQI
21st Jan 2026721 PMAQI
21st Jan 2026752 PMAQI
21st Jan 2026603 PMAQI
21st Jan 2026584 PMAQI
21st Jan 2026565 PMAQI
21st Jan 2026556 PMAQI
21st Jan 2026597 PMAQI
21st Jan 2026688 PMAQI
21st Jan 2026749 PMAQI
21st Jan 20266910 PMAQI
21st Jan 20266611 PMAQI
22nd Jan 20268012 AMAQI
22nd Jan 2026711 AMAQI
22nd Jan 2026722 AMAQI
22nd Jan 2026743 AMAQI
22nd Jan 2026724 AMAQI
22nd Jan 2026675 AMAQI

21°C13/31°C

22nd Jan 2026766 AMAQI
22nd Jan 2026767 AMAQI
22nd Jan 2026848 AMAQI
22nd Jan 2026979 AMAQI
22nd Jan 202611810 AMAQI
22nd Jan 202610011 AMAQI
22nd Jan 20269512 PMAQI
22nd Jan 2026831 PMAQI
22nd Jan 2026692 PMAQI
22nd Jan 2026713 PMAQI
22nd Jan 2026694 PMAQI
22nd Jan 2026675 PMAQI
22nd Jan 2026666 PMAQI
22nd Jan 2026687 PMAQI
22nd Jan 2026818 PMAQI
22nd Jan 2026889 PMAQI
22nd Jan 20268610 PMAQI
22nd Jan 20268411 PMAQI
23rd Jan 20268512 AMAQI
23rd Jan 2026831 AMAQI
23rd Jan 2026852 AMAQI
23rd Jan 2026873 AMAQI
23rd Jan 2026854 AMAQI
23rd Jan 2026825 AMAQI

21°C13/31°C

23rd Jan 2026846 AMAQI
23rd Jan 20261007 AMAQI
23rd Jan 20261218 AMAQI
23rd Jan 20261309 AMAQI
23rd Jan 202612510 AMAQI
23rd Jan 202611011 AMAQI
23rd Jan 20268212 PMAQI
23rd Jan 2026661 PMAQI
23rd Jan 2026582 PMAQI
23rd Jan 2026573 PMAQI
23rd Jan 2026554 PMAQI
23rd Jan 2026575 PMAQI
23rd Jan 2026646 PMAQI
23rd Jan 2026627 PMAQI
23rd Jan 2026858 PMAQI
23rd Jan 2026799 PMAQI
23rd Jan 20267610 PMAQI
23rd Jan 20267511 PMAQI
24th Jan 20267412 AMAQI
24th Jan 2026801 AMAQI
24th Jan 2026792 AMAQI
24th Jan 2026763 AMAQI
24th Jan 2026764 AMAQI
24th Jan 2026785 AMAQI

21°C14/31°C

24th Jan 2026826 AMAQI
24th Jan 2026877 AMAQI
24th Jan 20261118 AMAQI
24th Jan 20261349 AMAQI
24th Jan 202613210 AMAQI
24th Jan 202612211 AMAQI
24th Jan 20269812 PMAQI
24th Jan 2026811 PMAQI
24th Jan 2026642 PMAQI
24th Jan 2026653 PMAQI
24th Jan 2026694 PMAQI
24th Jan 2026705 PMAQI
24th Jan 2026766 PMAQI
24th Jan 2026767 PMAQI
24th Jan 2026838 PMAQI
24th Jan 2026829 PMAQI
24th Jan 20268010 PMAQI
24th Jan 20268311 PMAQI
25th Jan 20268512 AMAQI
25th Jan 2026811 AMAQI
25th Jan 2026812 AMAQI
25th Jan 2026803 AMAQI
25th Jan 2026824 AMAQI
25th Jan 2026925 AMAQI

21°C13/30°C

25th Jan 2026936 AMAQI
25th Jan 2026907 AMAQI
25th Jan 20261158 AMAQI
25th Jan 20261169 AMAQI
25th Jan 202612610 AMAQI
25th Jan 202610011 AMAQI
25th Jan 20268312 PMAQI
25th Jan 2026691 PMAQI
25th Jan 2026632 PMAQI
25th Jan 2026653 PMAQI
25th Jan 2026654 PMAQI
25th Jan 2026685 PMAQI
25th Jan 2026726 PMAQI
25th Jan 2026787 PMAQI
25th Jan 2026968 PMAQI
25th Jan 2026969 PMAQI
25th Jan 202610210 PMAQI
25th Jan 20269211 PMAQI
26th Jan 20269612 AMAQI
26th Jan 20261021 AMAQI
26th Jan 2026972 AMAQI
26th Jan 2026923 AMAQI
26th Jan 2026954 AMAQI
26th Jan 2026935 AMAQI

21°C13/31°C

26th Jan 2026906 AMAQI
26th Jan 2026967 AMAQI
26th Jan 20261329 AMAQI
26th Jan 202611610 AMAQI
26th Jan 202611811 AMAQI
26th Jan 202610412 PMAQI
26th Jan 2026901 PMAQI
26th Jan 2026822 PMAQI
26th Jan 2026733 PMAQI
26th Jan 2026724 PMAQI
26th Jan 2026765 PMAQI
26th Jan 2026716 PMAQI
26th Jan 2026787 PMAQI
26th Jan 2026968 PMAQI
26th Jan 20261029 PMAQI
26th Jan 20269810 PMAQI
26th Jan 202610211 PMAQI
27th Jan 20269312 AMAQI
27th Jan 2026861 AMAQI
27th Jan 2026842 AMAQI
27th Jan 2026843 AMAQI
27th Jan 2026844 AMAQI
27th Jan 2026895 AMAQI

21°C14/31°C

27th Jan 2026866 AMAQI
27th Jan 2026987 AMAQI
27th Jan 20261228 AMAQI
27th Jan 20261329 AMAQI
27th Jan 202612610 AMAQI
27th Jan 202612211 AMAQI
27th Jan 202611012 PMAQI
27th Jan 20261001 PMAQI
27th Jan 2026902 PMAQI
27th Jan 2026783 PMAQI
27th Jan 2026794 PMAQI
27th Jan 2026765 PMAQI
27th Jan 2026786 PMAQI
27th Jan 2026807 PMAQI
27th Jan 20261028 PMAQI
27th Jan 20261069 PMAQI
27th Jan 20269210 PMAQI
27th Jan 20268811 PMAQI
28th Jan 20269212 AMAQI
28th Jan 2026971 AMAQI
28th Jan 2026952 AMAQI
28th Jan 20261023 AMAQI
28th Jan 20261054 AMAQI
28th Jan 2026955 AMAQI

21°C13/32°C

28th Jan 2026946 AMAQI
28th Jan 20261017 AMAQI
28th Jan 20261218 AMAQI
28th Jan 20261329 AMAQI
28th Jan 202613110 AMAQI
28th Jan 202613611 AMAQI
28th Jan 202612612 PMAQI
28th Jan 2026991 PMAQI
28th Jan 2026892 PMAQI
28th Jan 2026923 PMAQI
28th Jan 2026854 PMAQI
28th Jan 2026835 PMAQI
28th Jan 2026816 PMAQI
28th Jan 2026787 PMAQI
28th Jan 2026828 PMAQI
28th Jan 202611410 PMAQI
28th Jan 202610411 PMAQI
29th Jan 202610412 AMAQI
29th Jan 20261001 AMAQI
29th Jan 2026972 AMAQI
29th Jan 20261003 AMAQI
29th Jan 2026974 AMAQI
29th Jan 2026975 AMAQI

21°C14/32°C

29th Jan 20261096 AMAQI
29th Jan 20261077 AMAQI
29th Jan 20261228 AMAQI
29th Jan 20261289 AMAQI
29th Jan 202613510 AMAQI
29th Jan 202613611 AMAQI
29th Jan 202611612 PMAQI
29th Jan 20261041 PMAQI
29th Jan 2026982 PMAQI
29th Jan 2026863 PMAQI
29th Jan 2026844 PMAQI
29th Jan 2026925 PMAQI
29th Jan 2026936 PMAQI
29th Jan 20261027 PMAQI
29th Jan 20261148 PMAQI
29th Jan 20261119 PMAQI
29th Jan 202610510 PMAQI
29th Jan 202611011 PMAQI
30th Jan 202610512 AMAQI
30th Jan 20261021 AMAQI
30th Jan 20261092 AMAQI
30th Jan 20261143 AMAQI
30th Jan 20261084 AMAQI
30th Jan 20261105 AMAQI

22°C14/32°C

30th Jan 20261086 AMAQI
30th Jan 20261257 AMAQI
30th Jan 20261388 AMAQI
30th Jan 20261439 AMAQI
30th Jan 202614210 AMAQI
30th Jan 202612611 AMAQI
30th Jan 202612512 PMAQI
30th Jan 20261051 PMAQI
30th Jan 20261012 PMAQI
30th Jan 2026983 PMAQI
30th Jan 2026994 PMAQI
30th Jan 2026905 PMAQI
30th Jan 2026976 PMAQI
30th Jan 20261047 PMAQI
30th Jan 20261148 PMAQI
30th Jan 20261149 PMAQI
30th Jan 202610810 PMAQI
30th Jan 202611011 PMAQI
31st Jan 202610212 AMAQI
31st Jan 20261021 AMAQI
31st Jan 20261102 AMAQI
31st Jan 20261083 AMAQI
31st Jan 20261024 AMAQI
31st Jan 20261125 AMAQI

22°C14/32°C

31st Jan 20261126 AMAQI
31st Jan 20261147 AMAQI
31st Jan 20261288 AMAQI
31st Jan 20261289 AMAQI
31st Jan 202613810 AMAQI
31st Jan 202613211 AMAQI
31st Jan 202611512 PMAQI
31st Jan 20261121 PMAQI
31st Jan 20261052 PMAQI
31st Jan 2026953 PMAQI
31st Jan 2026974 PMAQI
31st Jan 20261026 PMAQI
31st Jan 20261007 PMAQI
31st Jan 20261248 PMAQI
31st Jan 20261189 PMAQI
31st Jan 202610610 PMAQI
31st Jan 202611211 PMAQI
1st Feb 202611812 AMAQI
1st Feb 20261111 AMAQI
1st Feb 20261042 AMAQI
1st Feb 20261083 AMAQI
1st Feb 20261154 AMAQI
1st Feb 20261085 AMAQI

22°C14/33°C

1st Feb 20261066 AMAQI
1st Feb 20261097 AMAQI
1st Feb 20261328 AMAQI
1st Feb 20261489 AMAQI
1st Feb 202613810 AMAQI
1st Feb 202613011 AMAQI
1st Feb 202611512 PMAQI
1st Feb 20261061 PMAQI
1st Feb 2026952 PMAQI
1st Feb 2026923 PMAQI
1st Feb 2026904 PMAQI
1st Feb 2026845 PMAQI
1st Feb 2026966 PMAQI
1st Feb 2026957 PMAQI
1st Feb 20261068 PMAQI
1st Feb 2026979 PMAQI
1st Feb 202610510 PMAQI
1st Feb 20269711 PMAQI
2nd Feb 202610212 AMAQI
2nd Feb 20261021 AMAQI
2nd Feb 2026962 AMAQI
2nd Feb 20261003 AMAQI
2nd Feb 2026924 AMAQI
2nd Feb 2026945 AMAQI

22°C14/33°C

2nd Feb 20261046 AMAQI
2nd Feb 2026957 AMAQI
2nd Feb 20261128 AMAQI
2nd Feb 20261229 AMAQI
2nd Feb 202611410 AMAQI
2nd Feb 20269211 AMAQI
2nd Feb 20269412 PMAQI
2nd Feb 2026801 PMAQI
2nd Feb 2026732 PMAQI
2nd Feb 2026783 PMAQI
2nd Feb 2026794 PMAQI
2nd Feb 2026805 PMAQI
2nd Feb 2026806 PMAQI
2nd Feb 2026857 PMAQI
2nd Feb 2026928 PMAQI
2nd Feb 2026929 PMAQI
2nd Feb 20268610 PMAQI
2nd Feb 20268811 PMAQI
3rd Feb 20268112 AMAQI
3rd Feb 2026831 AMAQI
3rd Feb 2026802 AMAQI
3rd Feb 2026793 AMAQI
3rd Feb 2026814 AMAQI
3rd Feb 2026835 AMAQI

22°C15/33°C

3rd Feb 2026886 AMAQI
3rd Feb 2026987 AMAQI
3rd Feb 20261168 AMAQI
3rd Feb 20261159 AMAQI
3rd Feb 202610010 AMAQI
3rd Feb 202610211 AMAQI
3rd Feb 202610412 PMAQI
3rd Feb 2026781 PMAQI
3rd Feb 2026763 PMAQI
3rd Feb 2026744 PMAQI
3rd Feb 2026505 PMAQI
3rd Feb 2026606 PMAQI
3rd Feb 2026697 PMAQI
3rd Feb 2026758 PMAQI
3rd Feb 2026809 PMAQI
3rd Feb 20268210 PMAQI
3rd Feb 20267111 PMAQI
4th Feb 20267212 AMAQI
4th Feb 2026721 AMAQI
4th Feb 2026712 AMAQI
4th Feb 2026623 AMAQI
4th Feb 2026634 AMAQI
4th Feb 2026665 AMAQI

22°C14/32°C

4th Feb 2026676 AMAQI
4th Feb 2026747 AMAQI
4th Feb 2026978 AMAQI
4th Feb 20261029 AMAQI
4th Feb 202610010 AMAQI
4th Feb 20269911 AMAQI
4th Feb 20269212 PMAQI
4th Feb 2026551 PMAQI
4th Feb 2026402 PMAQI
4th Feb 2026533 PMAQI
4th Feb 2026524 PMAQI
4th Feb 2026555 PMAQI
4th Feb 2026546 PMAQI
4th Feb 2026707 PMAQI
4th Feb 2026848 PMAQI
4th Feb 2026829 PMAQI
4th Feb 20267410 PMAQI
4th Feb 20267111 PMAQI
5th Feb 20267112 AMAQI
5th Feb 2026761 AMAQI
5th Feb 2026762 AMAQI
5th Feb 2026733 AMAQI
5th Feb 2026704 AMAQI
5th Feb 2026745 AMAQI

22°C14/32°C

5th Feb 2026846 AMAQI
5th Feb 2026847 AMAQI
5th Feb 20261008 AMAQI
5th Feb 20261289 AMAQI
5th Feb 202610510 AMAQI
5th Feb 202611511 AMAQI
5th Feb 202611512 PMAQI
5th Feb 20261041 PMAQI
5th Feb 2026782 PMAQI
5th Feb 2026803 PMAQI
5th Feb 2026864 PMAQI
5th Feb 2026865 PMAQI
5th Feb 2026856 PMAQI
5th Feb 2026847 PMAQI
5th Feb 20261028 PMAQI
5th Feb 2026989 PMAQI
5th Feb 20269710 PMAQI
5th Feb 202610211 PMAQI
6th Feb 20268912 AMAQI
6th Feb 2026851 AMAQI
6th Feb 2026832 AMAQI
6th Feb 2026843 AMAQI
6th Feb 2026944 AMAQI
6th Feb 2026855 AMAQI

23°C15/33°C

6th Feb 2026906 AMAQI
6th Feb 2026957 AMAQI
6th Feb 20261048 AMAQI
6th Feb 20261209 AMAQI
6th Feb 202610311 AMAQI
6th Feb 20269212 PMAQI
6th Feb 2026971 PMAQI
6th Feb 2026882 PMAQI
6th Feb 2026903 PMAQI
6th Feb 2026904 PMAQI
6th Feb 2026905 PMAQI
6th Feb 2026986 PMAQI
6th Feb 20261087 PMAQI
6th Feb 2026988 PMAQI
6th Feb 20261029 PMAQI
6th Feb 202610210 PMAQI
6th Feb 202610511 PMAQI
7th Feb 20269812 AMAQI
7th Feb 20261021 AMAQI
7th Feb 20261022 AMAQI
7th Feb 20261063 AMAQI
7th Feb 20261044 AMAQI
7th Feb 20261055 AMAQI

23°C15/33°C

7th Feb 20261026 AMAQI
7th Feb 20261167 AMAQI
7th Feb 20261398 AMAQI
7th Feb 20261489 AMAQI
7th Feb 202614410 AMAQI
7th Feb 202612211 AMAQI
7th Feb 202611412 PMAQI
7th Feb 2026981 PMAQI
7th Feb 2026902 PMAQI
7th Feb 2026933 PMAQI
7th Feb 2026904 PMAQI
7th Feb 2026845 PMAQI
7th Feb 2026906 PMAQI
7th Feb 2026897 PMAQI
7th Feb 2026928 PMAQI
7th Feb 2026969 PMAQI
7th Feb 20269210 PMAQI
7th Feb 20269011 PMAQI
8th Feb 20268512 AMAQI
8th Feb 2026861 AMAQI
8th Feb 2026822 AMAQI
8th Feb 2026853 AMAQI
8th Feb 2026824 AMAQI

23°C15/34°C

8th Feb 2026856 AMAQI
8th Feb 2026927 AMAQI
8th Feb 20261008 AMAQI
8th Feb 20261219 AMAQI
8th Feb 202611610 AMAQI
8th Feb 20269511 AMAQI
8th Feb 202610212 PMAQI
8th Feb 2026871 PMAQI
8th Feb 2026822 PMAQI
8th Feb 2026803 PMAQI
8th Feb 2026834 PMAQI
8th Feb 2026825 PMAQI
8th Feb 2026826 PMAQI
8th Feb 2026857 PMAQI
8th Feb 2026848 PMAQI
8th Feb 2026899 PMAQI
8th Feb 20268810 PMAQI
8th Feb 20268611 PMAQI
9th Feb 20268912 AMAQI
9th Feb 2026921 AMAQI
9th Feb 2026832 AMAQI
9th Feb 2026863 AMAQI
9th Feb 2026854 AMAQI
9th Feb 2026905 AMAQI

24°C16/33°C

9th Feb 2026926 AMAQI
9th Feb 2026927 AMAQI
9th Feb 20261068 AMAQI
9th Feb 20261209 AMAQI
9th Feb 20268410 AMAQI
9th Feb 20266711 AMAQI
9th Feb 20265412 PMAQI
9th Feb 2026511 PMAQI
9th Feb 2026502 PMAQI
9th Feb 2026483 PMAQI
9th Feb 2026524 PMAQI
9th Feb 2026625 PMAQI
9th Feb 2026646 PMAQI
9th Feb 2026567 PMAQI
9th Feb 2026598 PMAQI
9th Feb 2026659 PMAQI
9th Feb 20266410 PMAQI
9th Feb 20265111 PMAQI
10th Feb 20265812 AMAQI
10th Feb 2026621 AMAQI
10th Feb 2026592 AMAQI
10th Feb 2026573 AMAQI
10th Feb 2026564 AMAQI
10th Feb 2026605 AMAQI

22°C16/30°C

10th Feb 2026686 AMAQI
10th Feb 2026807 AMAQI
10th Feb 2026988 AMAQI
10th Feb 20261049 AMAQI
10th Feb 20269410 AMAQI
10th Feb 20269511 AMAQI
10th Feb 20268412 PMAQI
10th Feb 2026711 PMAQI
10th Feb 2026762 PMAQI
10th Feb 2026733 PMAQI
10th Feb 2026744 PMAQI
10th Feb 2026715 PMAQI
10th Feb 2026696 PMAQI
10th Feb 2026787 PMAQI
10th Feb 2026808 PMAQI
10th Feb 2026839 PMAQI
10th Feb 20264410 PMAQI
10th Feb 20267911 PMAQI
11th Feb 20268012 AMAQI
11th Feb 2026831 AMAQI
11th Feb 2026812 AMAQI
11th Feb 2026823 AMAQI
11th Feb 2026844 AMAQI
11th Feb 2026825 AMAQI

23°C16/33°C

11th Feb 2026896 AMAQI
11th Feb 20261017 AMAQI
11th Feb 20261118 AMAQI
11th Feb 20261059 AMAQI
11th Feb 202610810 AMAQI
11th Feb 20269911 AMAQI
11th Feb 20268412 PMAQI
11th Feb 2026801 PMAQI
11th Feb 2026822 PMAQI
11th Feb 2026763 PMAQI
11th Feb 2026724 PMAQI
11th Feb 2026725 PMAQI
11th Feb 2026716 PMAQI
11th Feb 2026787 PMAQI
11th Feb 2026838 PMAQI
11th Feb 2026789 PMAQI
11th Feb 20267810 PMAQI
11th Feb 20267511 PMAQI
12th Feb 20267412 AMAQI
12th Feb 2026791 AMAQI
12th Feb 2026782 AMAQI
12th Feb 2026793 AMAQI
12th Feb 2026804 AMAQI
12th Feb 2026795 AMAQI

24°C17/34°C

12th Feb 2026816 AMAQI
12th Feb 2026807 AMAQI
12th Feb 20261048 AMAQI
12th Feb 20261029 AMAQI
12th Feb 202610210 AMAQI
12th Feb 20269411 AMAQI
12th Feb 20268212 PMAQI
12th Feb 2026901 PMAQI
12th Feb 2026932 PMAQI
12th Feb 2026803 PMAQI
12th Feb 2026624 PMAQI
12th Feb 2026605 PMAQI
12th Feb 2026656 PMAQI
12th Feb 2026747 PMAQI
12th Feb 2026748 PMAQI
12th Feb 2026769 PMAQI
12th Feb 20267410 PMAQI
12th Feb 20267011 PMAQI
13th Feb 20266712 AMAQI
13th Feb 2026651 AMAQI
13th Feb 2026622 AMAQI
13th Feb 2026653 AMAQI
13th Feb 2026634 AMAQI
13th Feb 2026655 AMAQI

24°C17/35°C

13th Feb 2026726 AMAQI
13th Feb 2026807 AMAQI
13th Feb 2026988 AMAQI
13th Feb 20261029 AMAQI
13th Feb 202610610 AMAQI
13th Feb 202610411 AMAQI
13th Feb 20269312 PMAQI
13th Feb 2026761 PMAQI
13th Feb 2026762 PMAQI
13th Feb 2026663 PMAQI
13th Feb 2026674 PMAQI
13th Feb 2026695 PMAQI
13th Feb 2026716 PMAQI
13th Feb 2026767 PMAQI
13th Feb 2026848 PMAQI
13th Feb 2026879 PMAQI
13th Feb 20268910 PMAQI
13th Feb 20268911 PMAQI
14th Feb 20261051 AMAQI
14th Feb 20261002 AMAQI
14th Feb 20261043 AMAQI
14th Feb 20261024 AMAQI
14th Feb 20261095 AMAQI

25°C17/35°C

14th Feb 20261126 AMAQI
14th Feb 20261187 AMAQI
14th Feb 20261248 AMAQI
14th Feb 20261259 AMAQI
14th Feb 202611610 AMAQI
14th Feb 202611511 AMAQI
14th Feb 202610612 PMAQI
14th Feb 2026981 PMAQI
14th Feb 2026922 PMAQI
14th Feb 2026843 PMAQI
14th Feb 2026824 PMAQI
14th Feb 2026885 PMAQI
14th Feb 2026886 PMAQI
14th Feb 2026927 PMAQI
14th Feb 2026988 PMAQI
14th Feb 2026989 PMAQI
14th Feb 20269810 PMAQI
14th Feb 202610011 PMAQI
15th Feb 20269412 AMAQI
15th Feb 20261051 AMAQI
15th Feb 20261082 AMAQI
15th Feb 20261023 AMAQI
15th Feb 20261114 AMAQI
15th Feb 20261115 AMAQI

25°C16/35°C

15th Feb 20261126 AMAQI
15th Feb 20261047 AMAQI
15th Feb 20261168 AMAQI
15th Feb 20261189 AMAQI
15th Feb 202611210 AMAQI
15th Feb 202611511 AMAQI
15th Feb 202610412 PMAQI
15th Feb 2026971 PMAQI
15th Feb 2026902 PMAQI
15th Feb 2026873 PMAQI
15th Feb 2026854 PMAQI
15th Feb 2026845 PMAQI
15th Feb 2026906 PMAQI
15th Feb 2026867 PMAQI
15th Feb 2026928 PMAQI
15th Feb 2026899 PMAQI
15th Feb 20268810 PMAQI
15th Feb 20269211 PMAQI
16th Feb 202610412 AMAQI
16th Feb 20261051 AMAQI
16th Feb 20261082 AMAQI
16th Feb 20261063 AMAQI
16th Feb 20261044 AMAQI
16th Feb 20261115 AMAQI

24°C17/35°C

16th Feb 20261186 AMAQI
6 AM
16th Feb 20261187 AMAQI
16th Feb 20261288 AMAQI
16th Feb 20261289 AMAQI
16th Feb 202612111 AMAQI
16th Feb 202612612 PMAQI
12 PM
16th Feb 20261281 PMAQI
16th Feb 20261062 PMAQI
16th Feb 2026803 PMAQI
16th Feb 2026814 PMAQI
16th Feb 2026805 PMAQI
16th Feb 2026886 PMAQI
6 PM
16th Feb 2026987 PMAQI
16th Feb 20261008 PMAQI
16th Feb 2026959 PMAQI
16th Feb 20269010 PMAQI
16th Feb 20269011 PMAQI
12 AM
5 AM

25°C17/36°C

Day time
Avg. Highest Time
9 AM

120AQI

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

75AQI

3 hours / Day
90 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 9 AM to 9 AM (Avg. 120), while the lowest AQI was between 3 PM to 5 PM (Avg. 75).
Night time
Avg. Highest Time
8 PM - 11 PM

88AQI

4 hours / Day
120 hours / Month
Avg. Lowest Time
7 PM

80AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 8 PM to 11 PM (Avg. 88), while the lowest AQI was between 7 PM to 7 PM (Avg. 80).

2026 Days Vs Air Quality

Rom Yen, Chiang Kham District, Phayao, Thailand

2026

83%

39

17%

8

Total number of days with different AQI categories in last 48 days in 2026 (317 days remaining)

Good
0 Days
Moderate
39 Days
Poor
8 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 0%

Health Risk Level:

Extreme

In 2026, 0% of 48 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

Rom Yen, Chiang Kham District, Phayao, 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
91AQI (US)
2nd January 2026
78AQI (US)
3rd January 2026
69AQI (US)
4th January 2026
58AQI (US)
5th January 2026
60AQI (US)
6th January 2026
67AQI (US)
7th January 2026
66AQI (US)
8th January 2026
64AQI (US)
9th January 2026
66AQI (US)
10th January 2026
72AQI (US)
11th January 2026
80AQI (US)
12th January 2026
91AQI (US)
13th January 2026
89AQI (US)
14th January 2026
86AQI (US)
15th January 2026
88AQI (US)
16th January 2026
88AQI (US)
17th January 2026
88AQI (US)
18th January 2026
80AQI (US)
19th January 2026
79AQI (US)
20th January 2026
77AQI (US)
21st January 2026
76AQI (US)
22nd January 2026
80AQI (US)
23rd January 2026
83AQI (US)
24th January 2026
86AQI (US)
25th January 2026
87AQI (US)
26th January 2026
94AQI (US)
27th January 2026
95AQI (US)
28th January 2026
101AQI (US)
29th January 2026
106AQI (US)
30th January 2026
112AQI (US)
31st January 2026
112AQI (US)
1st February 2026
109AQI (US)
2nd February 2026
93AQI (US)
3rd February 2026
84AQI (US)
4th February 2026
72AQI (US)
5th February 2026
91AQI (US)
6th February 2026
95AQI (US)
7th February 2026
104AQI (US)
8th February 2026
90AQI (US)
9th February 2026
73AQI (US)
10th February 2026
74AQI (US)
11th February 2026
85AQI (US)
12th February 2026
80AQI (US)
13th February 2026
79AQI (US)
14th February 2026
102AQI (US)
15th February 2026
100AQI (US)
16th February 2026
105AQI (US)
17th February 2026
18th February 2026
19th February 2026
20th February 2026
21st February 2026
22nd February 2026
23rd February 2026
24th February 2026
25th February 2026
26th February 2026
27th February 2026
28th February 2026
1st March 2026
2nd March 2026
3rd March 2026
4th March 2026
5th March 2026
6th March 2026
7th March 2026
8th March 2026
9th March 2026
10th March 2026
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

83AQI (US)

90AQI (US)

No. of days

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

202685AQI (US)

27
4
12
4
39
8

Highest AQI (US) recorded in

February

90AQI (US)

Lowest AQI (US) recorded in

January

83AQI (US)

202573AQI (US)

8
23
7
21
7
15
9
16
10
4
30
1
15
15
30
1
23
8
20
10
4
27
10
20
31
102
180
70
13

Highest AQI (US) recorded in

March

124AQI (US)

Lowest AQI (US) recorded in

September

40AQI (US)

202453AQI (US)

14
16
6
1
3
9
30
31
17
14
3
2
11
2
28
31
106
112

Highest AQI (US) recorded in

December

86AQI (US)

Lowest AQI (US) recorded in

February

6AQI (US)

202366AQI (US)

9
3
1
29
1
10
32
1

Highest AQI (US) recorded in

November

89AQI (US)

Lowest AQI (US) recorded in

January

9AQI (US)

20222AQI (US)

13
13

Highest AQI (US) recorded in

November

2AQI (US)

Lowest AQI (US) recorded in

November

2AQI (US)

Most & Least Polluted Years Over the Last 5 Years

Most Polluted Year Recorded
2026(Avg.)
85AQI (US)
Least Polluted Year Recorded
2022(Avg.)
2AQI (US)

Rom Yen's annual 2026 AQI (US) (85) shows an average percentage change of 1066.9% (worsened AQI (US)) compared to previous years: 2022 (2), 2023 (66), 2024 (53), 2025 (73).