Sai Yoi, Den Chai District, Phrae, 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
Sai Yoi, Den Chai District, Phrae, Thailand
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
1st Aug 2025
58AQILowest AQI recorded on
29th Aug 2024
2AQISame Day Analysis (2nd August ):
On this day, AQI across the 2 years varied significantly: 2025 ranks 1st highest AQI at 56 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 2nd Aug - 3rd Aug 2025
Sai Yoi, Den Chai District, Phrae, Thailand
AQI
Day
Night
.
5 AM2nd Aug 2025
6 PM
4 AM3rd Aug 2025
Day time
Avg. Highest Time
9AM2nd Aug
61AQI
Avg. Lowest Time
4PM2nd Aug
45AQI
Night time
Avg. Highest Time
9PM2nd Aug
60AQI
Avg. Lowest Time
11PM2nd Aug
55AQI
In the last 24 hours,
Sai Yoi's AQI reached its highest point of 61 at 9 AM during the Day, while the lowest point, 45, was recorded at 4 PM during the Day between 2nd Aug and 3rd Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Sai Yoi, Den Chai District, Phrae, Thailand
JulAug
04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd
Day
Night
4th Jul 2025585 AMAQI
4th Jul 2025586 AMAQI
4th Jul 2025567 AMAQI
4th Jul 2025548 AMAQI
4th Jul 2025529 AMAQI
4th Jul 20255210 AMAQI
4th Jul 20255311 AMAQI
4th Jul 20254812 PMAQI
4th Jul 2025471 PMAQI
4th Jul 2025482 PMAQI
4th Jul 2025503 PMAQI
4th Jul 2025504 PMAQI
4th Jul 2025405 PMAQI
4th Jul 2025516 PMAQI
4th Jul 2025547 PMAQI
4th Jul 2025558 PMAQI
4th Jul 2025569 PMAQI
4th Jul 20255610 PMAQI
4th Jul 20255611 PMAQI
5th Jul 20255712 AMAQI
5th Jul 2025581 AMAQI
5th Jul 2025572 AMAQI
5th Jul 2025563 AMAQI
5th Jul 2025574 AMAQI
23°C22/24°C
5th Jul 2025575 AMAQI
5th Jul 2025566 AMAQI
5th Jul 2025477 AMAQI
5th Jul 2025448 AMAQI
5th Jul 2025499 AMAQI
5th Jul 20255310 AMAQI
5th Jul 20254811 AMAQI
5th Jul 20255012 PMAQI
5th Jul 2025521 PMAQI
5th Jul 2025552 PMAQI
5th Jul 2025523 PMAQI
5th Jul 2025544 PMAQI
5th Jul 2025595 PMAQI
5th Jul 2025556 PMAQI
5th Jul 2025567 PMAQI
5th Jul 2025568 PMAQI
5th Jul 2025569 PMAQI
5th Jul 20255610 PMAQI
5th Jul 20255511 PMAQI
6th Jul 20255012 AMAQI
6th Jul 2025461 AMAQI
6th Jul 2025522 AMAQI
6th Jul 2025553 AMAQI
6th Jul 2025554 AMAQI
25°C23/29°C
6th Jul 2025565 AMAQI
6th Jul 2025576 AMAQI
6th Jul 2025547 AMAQI
6th Jul 2025538 AMAQI
6th Jul 2025489 AMAQI
6th Jul 20254610 AMAQI
6th Jul 20254211 AMAQI
6th Jul 20254012 PMAQI
6th Jul 2025461 PMAQI
6th Jul 2025482 PMAQI
6th Jul 2025513 PMAQI
6th Jul 2025514 PMAQI
6th Jul 2025535 PMAQI
6th Jul 2025506 PMAQI
6th Jul 2025527 PMAQI
6th Jul 2025528 PMAQI
6th Jul 2025539 PMAQI
6th Jul 20255410 PMAQI
6th Jul 20255311 PMAQI
7th Jul 20255212 AMAQI
7th Jul 2025531 AMAQI
7th Jul 2025532 AMAQI
7th Jul 2025543 AMAQI
7th Jul 2025544 AMAQI
25°C23/28°C
7th Jul 2025545 AMAQI
7th Jul 2025536 AMAQI
7th Jul 2025527 AMAQI
7th Jul 2025508 AMAQI
7th Jul 2025499 AMAQI
7th Jul 20254910 AMAQI
7th Jul 20254211 AMAQI
7th Jul 20254812 PMAQI
7th Jul 2025461 PMAQI
7th Jul 2025442 PMAQI
7th Jul 2025403 PMAQI
7th Jul 2025404 PMAQI
7th Jul 2025435 PMAQI
7th Jul 2025506 PMAQI
7th Jul 2025527 PMAQI
7th Jul 2025528 PMAQI
7th Jul 2025539 PMAQI
7th Jul 20255410 PMAQI
7th Jul 20255311 PMAQI
8th Jul 20255312 AMAQI
8th Jul 2025541 AMAQI
8th Jul 2025522 AMAQI
8th Jul 2025553 AMAQI
8th Jul 2025564 AMAQI
25°C21/28°C
8th Jul 2025555 AMAQI
8th Jul 2025546 AMAQI
8th Jul 2025377 AMAQI
8th Jul 2025478 AMAQI
8th Jul 2025499 AMAQI
8th Jul 20255010 AMAQI
8th Jul 20255211 AMAQI
8th Jul 20255112 PMAQI
8th Jul 2025521 PMAQI
8th Jul 2025482 PMAQI
8th Jul 2025543 PMAQI
8th Jul 2025544 PMAQI
8th Jul 2025575 PMAQI
8th Jul 2025546 PMAQI
8th Jul 2025547 PMAQI
8th Jul 2025578 PMAQI
8th Jul 2025549 PMAQI
8th Jul 20255410 PMAQI
8th Jul 20255511 PMAQI
9th Jul 20255612 AMAQI
9th Jul 2025571 AMAQI
9th Jul 2025562 AMAQI
9th Jul 2025563 AMAQI
9th Jul 2025564 AMAQI
26°C22/31°C
9th Jul 2025555 AMAQI
9th Jul 2025546 AMAQI
9th Jul 2025557 AMAQI
9th Jul 2025588 AMAQI
9th Jul 2025569 AMAQI
9th Jul 20255910 AMAQI
9th Jul 20255711 AMAQI
9th Jul 20255012 PMAQI
9th Jul 2025521 PMAQI
9th Jul 2025522 PMAQI
9th Jul 2025523 PMAQI
9th Jul 2025554 PMAQI
9th Jul 2025545 PMAQI
9th Jul 2025546 PMAQI
9th Jul 2025557 PMAQI
9th Jul 2025568 PMAQI
9th Jul 2025559 PMAQI
9th Jul 20255610 PMAQI
9th Jul 20255611 PMAQI
10th Jul 20255512 AMAQI
10th Jul 2025561 AMAQI
10th Jul 2025562 AMAQI
10th Jul 2025563 AMAQI
10th Jul 2025564 AMAQI
25°C21/30°C
10th Jul 2025565 AMAQI
10th Jul 2025556 AMAQI
10th Jul 2025547 AMAQI
10th Jul 2025528 AMAQI
10th Jul 2025549 AMAQI
10th Jul 20255610 AMAQI
10th Jul 20255611 AMAQI
10th Jul 20256012 PMAQI
10th Jul 2025581 PMAQI
10th Jul 2025602 PMAQI
10th Jul 2025603 PMAQI
10th Jul 2025594 PMAQI
10th Jul 2025595 PMAQI
10th Jul 2025606 PMAQI
10th Jul 2025567 PMAQI
10th Jul 2025568 PMAQI
10th Jul 2025569 PMAQI
10th Jul 20255610 PMAQI
10th Jul 20255611 PMAQI
11th Jul 20255412 AMAQI
11th Jul 2025561 AMAQI
11th Jul 2025562 AMAQI
11th Jul 2025583 AMAQI
11th Jul 2025584 AMAQI
23°C21/27°C
11th Jul 2025585 AMAQI
11th Jul 2025586 AMAQI
11th Jul 2025527 AMAQI
11th Jul 2025568 AMAQI
11th Jul 2025569 AMAQI
11th Jul 20255810 AMAQI
11th Jul 20255611 AMAQI
11th Jul 20255512 PMAQI
11th Jul 2025541 PMAQI
11th Jul 2025572 PMAQI
11th Jul 2025543 PMAQI
11th Jul 2025564 PMAQI
11th Jul 2025585 PMAQI
11th Jul 2025566 PMAQI
11th Jul 2025587 PMAQI
11th Jul 2025578 PMAQI
11th Jul 2025569 PMAQI
11th Jul 20255810 PMAQI
11th Jul 20255711 PMAQI
12th Jul 20255512 AMAQI
12th Jul 2025581 AMAQI
12th Jul 2025562 AMAQI
12th Jul 2025573 AMAQI
12th Jul 2025564 AMAQI
22°C20/24°C
12th Jul 2025565 AMAQI
12th Jul 2025566 AMAQI
12th Jul 2025507 AMAQI
12th Jul 2025528 AMAQI
12th Jul 2025479 AMAQI
12th Jul 20254810 AMAQI
12th Jul 20254911 AMAQI
12th Jul 20254912 PMAQI
12th Jul 2025501 PMAQI
12th Jul 2025442 PMAQI
12th Jul 2025463 PMAQI
12th Jul 2025484 PMAQI
12th Jul 2025485 PMAQI
12th Jul 2025536 PMAQI
12th Jul 2025537 PMAQI
12th Jul 2025548 PMAQI
12th Jul 2025529 PMAQI
12th Jul 20255410 PMAQI
12th Jul 20255411 PMAQI
13th Jul 20255512 AMAQI
13th Jul 2025561 AMAQI
13th Jul 2025542 AMAQI
13th Jul 2025543 AMAQI
13th Jul 2025544 AMAQI
24°C23/25°C
13th Jul 2025565 AMAQI
13th Jul 2025566 AMAQI
13th Jul 2025487 AMAQI
13th Jul 2025458 AMAQI
13th Jul 2025509 AMAQI
13th Jul 20255610 AMAQI
13th Jul 20255611 AMAQI
13th Jul 20255012 PMAQI
13th Jul 2025461 PMAQI
13th Jul 2025492 PMAQI
13th Jul 2025503 PMAQI
13th Jul 2025524 PMAQI
13th Jul 2025525 PMAQI
13th Jul 2025526 PMAQI
13th Jul 2025547 PMAQI
13th Jul 2025548 PMAQI
13th Jul 2025549 PMAQI
13th Jul 20255410 PMAQI
13th Jul 20255511 PMAQI
14th Jul 20255512 AMAQI
14th Jul 2025561 AMAQI
14th Jul 2025572 AMAQI
14th Jul 2025583 AMAQI
14th Jul 2025584 AMAQI
25°C23/29°C
14th Jul 2025585 AMAQI
14th Jul 2025576 AMAQI
14th Jul 2025527 AMAQI
14th Jul 2025488 AMAQI
14th Jul 2025479 AMAQI
14th Jul 20255310 AMAQI
14th Jul 20255611 AMAQI
14th Jul 20255212 PMAQI
14th Jul 2025501 PMAQI
14th Jul 2025502 PMAQI
14th Jul 2025463 PMAQI
14th Jul 2025464 PMAQI
14th Jul 2025505 PMAQI
14th Jul 2025476 PMAQI
14th Jul 2025537 PMAQI
14th Jul 2025538 PMAQI
14th Jul 2025529 PMAQI
14th Jul 20255210 PMAQI
14th Jul 20255211 PMAQI
15th Jul 20255012 AMAQI
15th Jul 2025541 AMAQI
15th Jul 2025552 AMAQI
15th Jul 2025553 AMAQI
15th Jul 2025554 AMAQI
26°C21/31°C
15th Jul 2025565 AMAQI
15th Jul 2025556 AMAQI
15th Jul 2025507 AMAQI
15th Jul 2025518 AMAQI
15th Jul 2025469 AMAQI
15th Jul 20254610 AMAQI
15th Jul 20255111 AMAQI
15th Jul 20255012 PMAQI
15th Jul 2025441 PMAQI
15th Jul 2025512 PMAQI
15th Jul 2025533 PMAQI
15th Jul 2025514 PMAQI
15th Jul 2025505 PMAQI
15th Jul 2025526 PMAQI
15th Jul 2025527 PMAQI
15th Jul 2025538 PMAQI
15th Jul 2025529 PMAQI
15th Jul 20255210 PMAQI
15th Jul 20255111 PMAQI
16th Jul 20255212 AMAQI
16th Jul 2025521 AMAQI
16th Jul 2025522 AMAQI
16th Jul 2025523 AMAQI
16th Jul 2025534 AMAQI
24°C22/27°C
16th Jul 2025535 AMAQI
16th Jul 2025526 AMAQI
16th Jul 2025467 AMAQI
16th Jul 2025468 AMAQI
16th Jul 2025459 AMAQI
16th Jul 20255010 AMAQI
16th Jul 20254611 AMAQI
16th Jul 20255012 PMAQI
16th Jul 2025481 PMAQI
16th Jul 2025522 PMAQI
16th Jul 2025523 PMAQI
16th Jul 2025504 PMAQI
16th Jul 2025445 PMAQI
16th Jul 2025486 PMAQI
16th Jul 2025467 PMAQI
16th Jul 2025478 PMAQI
16th Jul 2025499 PMAQI
16th Jul 20254810 PMAQI
16th Jul 20254811 PMAQI
17th Jul 20254912 AMAQI
17th Jul 2025501 AMAQI
17th Jul 2025522 AMAQI
17th Jul 2025523 AMAQI
17th Jul 2025524 AMAQI
23°C21/25°C
17th Jul 2025525 AMAQI
17th Jul 2025526 AMAQI
17th Jul 2025477 AMAQI
17th Jul 2025498 AMAQI
17th Jul 2025529 AMAQI
17th Jul 20255110 AMAQI
17th Jul 20254311 AMAQI
17th Jul 20254212 PMAQI
17th Jul 2025411 PMAQI
17th Jul 2025402 PMAQI
17th Jul 2025423 PMAQI
17th Jul 2025414 PMAQI
17th Jul 2025385 PMAQI
17th Jul 2025466 PMAQI
17th Jul 2025477 PMAQI
17th Jul 2025468 PMAQI
17th Jul 2025479 PMAQI
17th Jul 20254410 PMAQI
17th Jul 20254811 PMAQI
18th Jul 20254712 AMAQI
18th Jul 2025501 AMAQI
18th Jul 2025512 AMAQI
18th Jul 2025523 AMAQI
18th Jul 2025534 AMAQI
24°C21/26°C
18th Jul 2025525 AMAQI
18th Jul 2025526 AMAQI
18th Jul 2025387 AMAQI
18th Jul 2025378 AMAQI
18th Jul 2025389 AMAQI
18th Jul 20253210 AMAQI
18th Jul 20254011 AMAQI
18th Jul 20253612 PMAQI
18th Jul 2025341 PMAQI
18th Jul 2025352 PMAQI
18th Jul 2025373 PMAQI
18th Jul 2025364 PMAQI
18th Jul 2025345 PMAQI
18th Jul 2025406 PMAQI
18th Jul 2025537 PMAQI
18th Jul 2025528 PMAQI
18th Jul 2025549 PMAQI
18th Jul 20255210 PMAQI
18th Jul 20254711 PMAQI
19th Jul 20254812 AMAQI
19th Jul 2025481 AMAQI
19th Jul 2025492 AMAQI
19th Jul 2025493 AMAQI
19th Jul 2025524 AMAQI
24°C20/29°C
19th Jul 2025525 AMAQI
19th Jul 2025516 AMAQI
19th Jul 2025437 AMAQI
19th Jul 2025448 AMAQI
19th Jul 2025509 AMAQI
19th Jul 20254410 AMAQI
19th Jul 20254311 AMAQI
19th Jul 20254512 PMAQI
19th Jul 2025441 PMAQI
19th Jul 2025422 PMAQI
19th Jul 2025363 PMAQI
19th Jul 2025344 PMAQI
19th Jul 2025335 PMAQI
19th Jul 2025406 PMAQI
19th Jul 2025467 PMAQI
19th Jul 2025488 PMAQI
19th Jul 2025489 PMAQI
19th Jul 20255010 PMAQI
19th Jul 20255111 PMAQI
20th Jul 20255012 AMAQI
20th Jul 2025511 AMAQI
20th Jul 2025512 AMAQI
20th Jul 2025523 AMAQI
20th Jul 2025524 AMAQI
25°C20/30°C
20th Jul 2025525 AMAQI
20th Jul 2025516 AMAQI
20th Jul 2025477 AMAQI
20th Jul 2025428 AMAQI
20th Jul 2025389 AMAQI
20th Jul 20254610 AMAQI
20th Jul 20254311 AMAQI
20th Jul 20254212 PMAQI
20th Jul 2025411 PMAQI
20th Jul 2025452 PMAQI
20th Jul 2025383 PMAQI
20th Jul 2025344 PMAQI
20th Jul 2025325 PMAQI
20th Jul 2025366 PMAQI
20th Jul 2025427 PMAQI
20th Jul 2025428 PMAQI
20th Jul 2025439 PMAQI
20th Jul 20254310 PMAQI
20th Jul 20254411 PMAQI
21st Jul 20254412 AMAQI
21st Jul 2025441 AMAQI
21st Jul 2025462 AMAQI
21st Jul 2025523 AMAQI
21st Jul 2025514 AMAQI
25°C20/30°C
21st Jul 2025515 AMAQI
21st Jul 2025516 AMAQI
21st Jul 2025457 AMAQI
21st Jul 2025458 AMAQI
21st Jul 2025489 AMAQI
21st Jul 20255210 AMAQI
21st Jul 20254511 AMAQI
21st Jul 20254212 PMAQI
21st Jul 2025441 PMAQI
21st Jul 2025422 PMAQI
21st Jul 2025403 PMAQI
21st Jul 2025384 PMAQI
21st Jul 2025385 PMAQI
21st Jul 2025456 PMAQI
21st Jul 2025507 PMAQI
21st Jul 2025528 PMAQI
21st Jul 2025509 PMAQI
21st Jul 20254510 PMAQI
21st Jul 20255511 PMAQI
22nd Jul 20255112 AMAQI
22nd Jul 2025461 AMAQI
22nd Jul 2025502 AMAQI
22nd Jul 2025513 AMAQI
22nd Jul 2025514 AMAQI
25°C21/30°C
22nd Jul 2025505 AMAQI
22nd Jul 2025506 AMAQI
22nd Jul 2025487 AMAQI
22nd Jul 2025448 AMAQI
22nd Jul 2025489 AMAQI
22nd Jul 20254610 AMAQI
22nd Jul 20255011 AMAQI
22nd Jul 20255112 PMAQI
22nd Jul 2025441 PMAQI
22nd Jul 2025442 PMAQI
22nd Jul 2025383 PMAQI
22nd Jul 2025374 PMAQI
22nd Jul 2025375 PMAQI
22nd Jul 2025446 PMAQI
22nd Jul 2025527 PMAQI
22nd Jul 2025508 PMAQI
22nd Jul 2025519 PMAQI
22nd Jul 20255110 PMAQI
22nd Jul 20255311 PMAQI
23rd Jul 20255212 AMAQI
23rd Jul 2025511 AMAQI
23rd Jul 2025512 AMAQI
23rd Jul 2025523 AMAQI
23rd Jul 2025524 AMAQI
23°C21/25°C
23rd Jul 2025525 AMAQI
23rd Jul 2025526 AMAQI
23rd Jul 2025327 AMAQI
23rd Jul 2025278 AMAQI
23rd Jul 2025309 AMAQI
23rd Jul 20253010 AMAQI
23rd Jul 20254211 AMAQI
23rd Jul 20253412 PMAQI
23rd Jul 2025301 PMAQI
23rd Jul 2025332 PMAQI
23rd Jul 2025313 PMAQI
23rd Jul 2025264 PMAQI
23rd Jul 2025285 PMAQI
23rd Jul 2025336 PMAQI
23rd Jul 2025407 PMAQI
23rd Jul 2025408 PMAQI
23rd Jul 2025399 PMAQI
23rd Jul 20254110 PMAQI
23rd Jul 20254311 PMAQI
24th Jul 20254612 AMAQI
24th Jul 2025481 AMAQI
24th Jul 2025502 AMAQI
24th Jul 2025493 AMAQI
24th Jul 2025504 AMAQI
23°C22/24°C
24th Jul 2025495 AMAQI
24th Jul 2025506 AMAQI
24th Jul 2025407 AMAQI
24th Jul 2025418 AMAQI
24th Jul 2025369 AMAQI
24th Jul 20253210 AMAQI
24th Jul 20253211 AMAQI
24th Jul 20253212 PMAQI
24th Jul 2025351 PMAQI
24th Jul 2025422 PMAQI
24th Jul 2025413 PMAQI
24th Jul 2025464 PMAQI
24th Jul 2025445 PMAQI
24th Jul 2025386 PMAQI
24th Jul 2025447 PMAQI
24th Jul 2025468 PMAQI
24th Jul 2025489 PMAQI
24th Jul 20254810 PMAQI
24th Jul 20254711 PMAQI
25th Jul 20254912 AMAQI
25th Jul 2025521 AMAQI
25th Jul 2025502 AMAQI
25th Jul 2025473 AMAQI
25th Jul 2025464 AMAQI
23°C21/26°C
25th Jul 2025465 AMAQI
25th Jul 2025476 AMAQI
25th Jul 2025497 AMAQI
25th Jul 2025468 AMAQI
25th Jul 2025529 AMAQI
25th Jul 20254610 AMAQI
25th Jul 20254511 AMAQI
25th Jul 20255012 PMAQI
25th Jul 2025461 PMAQI
25th Jul 2025462 PMAQI
25th Jul 2025493 PMAQI
25th Jul 2025454 PMAQI
25th Jul 2025565 PMAQI
25th Jul 2025456 PMAQI
25th Jul 2025477 PMAQI
25th Jul 2025488 PMAQI
25th Jul 2025489 PMAQI
25th Jul 20254610 PMAQI
25th Jul 20254611 PMAQI
26th Jul 20254912 AMAQI
26th Jul 2025521 AMAQI
26th Jul 2025522 AMAQI
26th Jul 2025523 AMAQI
26th Jul 2025524 AMAQI
24°C21/28°C
26th Jul 2025525 AMAQI
26th Jul 2025526 AMAQI
26th Jul 2025487 AMAQI
26th Jul 2025508 AMAQI
26th Jul 2025539 AMAQI
26th Jul 20255410 AMAQI
26th Jul 20255211 AMAQI
26th Jul 20255312 PMAQI
26th Jul 2025501 PMAQI
26th Jul 2025532 PMAQI
26th Jul 2025513 PMAQI
26th Jul 2025504 PMAQI
26th Jul 2025505 PMAQI
26th Jul 2025506 PMAQI
26th Jul 2025517 PMAQI
26th Jul 2025528 PMAQI
26th Jul 2025529 PMAQI
26th Jul 20255310 PMAQI
26th Jul 20255311 PMAQI
27th Jul 20255412 AMAQI
27th Jul 2025541 AMAQI
27th Jul 2025522 AMAQI
27th Jul 2025523 AMAQI
27th Jul 2025524 AMAQI
24°C22/27°C
27th Jul 2025525 AMAQI
27th Jul 2025526 AMAQI
27th Jul 2025487 AMAQI
27th Jul 2025478 AMAQI
27th Jul 2025409 AMAQI
27th Jul 20254210 AMAQI
27th Jul 20254011 AMAQI
27th Jul 20253512 PMAQI
27th Jul 2025361 PMAQI
27th Jul 2025412 PMAQI
27th Jul 2025443 PMAQI
27th Jul 2025384 PMAQI
27th Jul 2025425 PMAQI
27th Jul 2025446 PMAQI
27th Jul 2025487 PMAQI
27th Jul 2025488 PMAQI
27th Jul 2025469 PMAQI
27th Jul 20254910 PMAQI
27th Jul 20255011 PMAQI
28th Jul 20255012 AMAQI
28th Jul 2025491 AMAQI
28th Jul 2025512 AMAQI
28th Jul 2025493 AMAQI
28th Jul 2025504 AMAQI
23°C21/25°C
28th Jul 2025505 AMAQI
28th Jul 2025526 AMAQI
28th Jul 2025497 AMAQI
28th Jul 2025528 AMAQI
28th Jul 2025429 AMAQI
28th Jul 20253810 AMAQI
28th Jul 20253611 AMAQI
28th Jul 20254512 PMAQI
28th Jul 2025401 PMAQI
28th Jul 2025412 PMAQI
28th Jul 2025483 PMAQI
28th Jul 2025444 PMAQI
28th Jul 2025475 PMAQI
28th Jul 2025476 PMAQI
28th Jul 2025507 PMAQI
28th Jul 2025538 PMAQI
28th Jul 2025529 PMAQI
28th Jul 20255210 PMAQI
28th Jul 20255011 PMAQI
29th Jul 20254912 AMAQI
29th Jul 2025531 AMAQI
29th Jul 2025532 AMAQI
29th Jul 2025543 AMAQI
29th Jul 2025524 AMAQI
24°C21/27°C
29th Jul 2025525 AMAQI
29th Jul 2025536 AMAQI
29th Jul 2025517 AMAQI
29th Jul 2025488 AMAQI
29th Jul 2025429 AMAQI
29th Jul 20255110 AMAQI
29th Jul 20254311 AMAQI
29th Jul 20254012 PMAQI
29th Jul 2025421 PMAQI
29th Jul 2025482 PMAQI
29th Jul 2025393 PMAQI
29th Jul 2025434 PMAQI
29th Jul 2025405 PMAQI
29th Jul 2025456 PMAQI
29th Jul 2025527 PMAQI
29th Jul 2025538 PMAQI
29th Jul 2025539 PMAQI
29th Jul 20255410 PMAQI
29th Jul 20255111 PMAQI
30th Jul 20255212 AMAQI
30th Jul 2025521 AMAQI
30th Jul 2025542 AMAQI
30th Jul 2025533 AMAQI
30th Jul 2025534 AMAQI
25°C23/29°C
30th Jul 2025535 AMAQI
30th Jul 2025546 AMAQI
30th Jul 2025487 AMAQI
30th Jul 2025468 AMAQI
30th Jul 2025489 AMAQI
30th Jul 20254910 AMAQI
30th Jul 20255111 AMAQI
30th Jul 20255112 PMAQI
30th Jul 2025541 PMAQI
30th Jul 2025532 PMAQI
30th Jul 2025523 PMAQI
30th Jul 2025534 PMAQI
30th Jul 2025545 PMAQI
30th Jul 2025546 PMAQI
30th Jul 2025547 PMAQI
30th Jul 2025558 PMAQI
30th Jul 2025559 PMAQI
30th Jul 20255610 PMAQI
30th Jul 20255611 PMAQI
31st Jul 20255612 AMAQI
31st Jul 2025561 AMAQI
31st Jul 2025542 AMAQI
31st Jul 2025543 AMAQI
31st Jul 2025544 AMAQI
25°C21/29°C
31st Jul 2025545 AMAQI
31st Jul 2025546 AMAQI
31st Jul 2025547 AMAQI
31st Jul 2025548 AMAQI
31st Jul 2025569 AMAQI
31st Jul 20256710 AMAQI
31st Jul 20256011 AMAQI
31st Jul 20255712 PMAQI
31st Jul 2025571 PMAQI
31st Jul 2025572 PMAQI
31st Jul 2025563 PMAQI
31st Jul 2025544 PMAQI
31st Jul 2025545 PMAQI
31st Jul 2025566 PMAQI
31st Jul 2025557 PMAQI
31st Jul 2025578 PMAQI
31st Jul 2025629 PMAQI
31st Jul 20255910 PMAQI
31st Jul 20255611 PMAQI
1st Aug 20255712 AMAQI
1st Aug 2025581 AMAQI
1st Aug 2025542 AMAQI
1st Aug 2025543 AMAQI
1st Aug 2025544 AMAQI
25°C20/32°C
1st Aug 2025545 AMAQI
1st Aug 2025546 AMAQI
1st Aug 2025647 AMAQI
1st Aug 2025608 AMAQI
1st Aug 2025529 AMAQI
1st Aug 20255710 AMAQI
1st Aug 20255811 AMAQI
1st Aug 20256612 PMAQI
1st Aug 2025631 PMAQI
1st Aug 2025582 PMAQI
1st Aug 2025513 PMAQI
1st Aug 2025574 PMAQI
1st Aug 2025565 PMAQI
1st Aug 2025606 PMAQI
1st Aug 2025587 PMAQI
1st Aug 2025588 PMAQI
1st Aug 2025589 PMAQI
1st Aug 20256110 PMAQI
1st Aug 20256211 PMAQI
2nd Aug 20255812 AMAQI
2nd Aug 2025561 AMAQI
2nd Aug 2025562 AMAQI
2nd Aug 2025563 AMAQI
2nd Aug 2025564 AMAQI
25°C21/31°C
2nd Aug 2025565 AMAQI
2nd Aug 2025576 AMAQI
2nd Aug 2025527 AMAQI
2nd Aug 2025508 AMAQI
2nd Aug 2025619 AMAQI
2nd Aug 20255410 AMAQI
2nd Aug 20255511 AMAQI
2nd Aug 20255012 PMAQI
2nd Aug 2025491 PMAQI
2nd Aug 2025552 PMAQI
2nd Aug 2025483 PMAQI
2nd Aug 2025454 PMAQI
2nd Aug 2025545 PMAQI
2nd Aug 2025506 PMAQI
2nd Aug 2025557 PMAQI
2nd Aug 2025578 PMAQI
2nd Aug 2025609 PMAQI
2nd Aug 20255810 PMAQI
2nd Aug 20255511 PMAQI
3rd Aug 20255812 AMAQI
3rd Aug 2025581 AMAQI
3rd Aug 2025582 AMAQI
3rd Aug 2025563 AMAQI
3rd Aug 2025564 AMAQI
26°C21/31°C
3rd Aug 2025565 AMAQI
5 AM3rd Aug 2025566 AMAQI
3rd Aug 2025547 AMAQI
3rd Aug 2025528 AMAQI
3rd Aug 2025689 AMAQI
3rd Aug 20257510 AMAQI
3rd Aug 20256811 AMAQI
11 AM3rd Aug 20254912 PMAQI
3rd Aug 2025561 PMAQI
3rd Aug 2025472 PMAQI
3rd Aug 2025483 PMAQI
3rd Aug 2025464 PMAQI
3rd Aug 2025545 PMAQI
3rd Aug 2025516 PMAQI
6 PM3rd Aug 2025547 PMAQI
3rd Aug 2025578 PMAQI
3rd Aug 2025589 PMAQI
3rd Aug 20255610 PMAQI
3rd Aug 20255611 PMAQI
11 PM4 AM
--°C/°C
Day time
Avg. Highest Time
5 AM - 6 AM
54AQI
2 hours / Day
60 hours / Month
Avg. Lowest Time
7 AM - 6 PM
48AQI
12 hours / Day
360 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 5 AM to 6 AM (Avg. 54), while the lowest AQI was between 7 AM to 6 PM (Avg. 48).
Night time
Avg. Highest Time
12 AM - 4 AM
53AQI
5 hours / Day
150 hours / Month
Avg. Lowest Time
7 PM - 11 PM
52AQI
5 hours / Day
150 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 4 AM (Avg. 53), while the lowest AQI was between 7 PM to 11 PM (Avg. 52).
2025 Days Vs Air Quality
Sai Yoi, Den Chai District, Phrae, Thailand
2025
11%
23
61%
130
25%
53
4%
8
Total number of days with different AQI categories in last 215 days in 2025 (150 days remaining)
Good
23 DaysModerate
130 DaysPoor
53 DaysUnhealthy
8 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 11%
Health Risk Level:
Extreme
In 2025, 11% of 215 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
Sai Yoi, Den Chai District, Phrae, 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.
1st January 2025
83AQI
83AQI
2nd January 2025
79AQI
79AQI
3rd January 2025
77AQI
77AQI
4th January 2025
84AQI
84AQI
5th January 2025
96AQI
96AQI
6th January 2025
103AQI
103AQI
7th January 2025
108AQI
108AQI
8th January 2025
112AQI
112AQI
9th January 2025
120AQI
120AQI
10th January 2025
96AQI
96AQI
11th January 2025
90AQI
90AQI
12th January 2025
90AQI
90AQI
13th January 2025
93AQI
93AQI
14th January 2025
96AQI
96AQI
15th January 2025
96AQI
96AQI
16th January 2025
89AQI
89AQI
17th January 2025
88AQI
88AQI
18th January 2025
92AQI
92AQI
19th January 2025
99AQI
99AQI
20th January 2025
105AQI
105AQI
21st January 2025
116AQI
116AQI
22nd January 2025
121AQI
121AQI
23rd January 2025
123AQI
123AQI
24th January 2025
121AQI
121AQI
25th January 2025
109AQI
109AQI
26th January 2025
107AQI
107AQI
27th January 2025
83AQI
83AQI
28th January 2025
82AQI
82AQI
29th January 2025
100AQI
100AQI
30th January 2025
110AQI
110AQI
31st January 2025
105AQI
105AQI
1st February 2025
103AQI
103AQI
2nd February 2025
100AQI
100AQI
3rd February 2025
113AQI
113AQI
4th February 2025
116AQI
116AQI
5th February 2025
112AQI
112AQI
6th February 2025
116AQI
116AQI
7th February 2025
117AQI
117AQI
8th February 2025
113AQI
113AQI
9th February 2025
92AQI
92AQI
10th February 2025
98AQI
98AQI
11th February 2025
109AQI
109AQI
12th February 2025
114AQI
114AQI
13th February 2025
122AQI
122AQI
14th February 2025
122AQI
122AQI
15th February 2025
115AQI
115AQI
16th February 2025
141AQI
141AQI
17th February 2025
143AQI
143AQI
18th February 2025
140AQI
140AQI
19th February 2025
114AQI
114AQI
20th February 2025
112AQI
112AQI
21st February 2025
105AQI
105AQI
22nd February 2025
98AQI
98AQI
23rd February 2025
91AQI
91AQI
24th February 2025
74AQI
74AQI
25th February 2025
64AQI
64AQI
26th February 2025
54AQI
54AQI
27th February 2025
64AQI
64AQI
28th February 2025
70AQI
70AQI
1st March 2025
75AQI
75AQI
2nd March 2025
80AQI
80AQI
3rd March 2025
98AQI
98AQI
4th March 2025
115AQI
115AQI
5th March 2025
135AQI
135AQI
6th March 2025
132AQI
132AQI
7th March 2025
135AQI
135AQI
8th March 2025
104AQI
104AQI
9th March 2025
98AQI
98AQI
10th March 2025
86AQI
86AQI
11th March 2025
105AQI
105AQI
12th March 2025
111AQI
111AQI
13th March 2025
101AQI
101AQI
14th March 2025
100AQI
100AQI
15th March 2025
127AQI
127AQI
16th March 2025
123AQI
123AQI
17th March 2025
130AQI
130AQI
18th March 2025
120AQI
120AQI
19th March 2025
99AQI
99AQI
20th March 2025
96AQI
96AQI
21st March 2025
126AQI
126AQI
22nd March 2025
150AQI
150AQI
23rd March 2025
157AQI
157AQI
24th March 2025
162AQI
162AQI
25th March 2025
161AQI
161AQI
26th March 2025
157AQI
157AQI
27th March 2025
158AQI
158AQI
28th March 2025
160AQI
160AQI
29th March 2025
155AQI
155AQI
30th March 2025
157AQI
157AQI
31st March 2025
138AQI
138AQI
1st April 2025
124AQI
124AQI
2nd April 2025
118AQI
118AQI
3rd April 2025
131AQI
131AQI
4th April 2025
126AQI
126AQI
5th April 2025
114AQI
114AQI
6th April 2025
100AQI
100AQI
7th April 2025
90AQI
90AQI
8th April 2025
86AQI
86AQI
9th April 2025
98AQI
98AQI
10th April 2025
104AQI
104AQI
11th April 2025
99AQI
99AQI
12th April 2025
76AQI
76AQI
13th April 2025
62AQI
62AQI
14th April 2025
56AQI
56AQI
15th April 2025
56AQI
56AQI
16th April 2025
55AQI
55AQI
17th April 2025
55AQI
55AQI
18th April 2025
53AQI
53AQI
19th April 2025
56AQI
56AQI
20th April 2025
59AQI
59AQI
21st April 2025
66AQI
66AQI
22nd April 2025
73AQI
73AQI
23rd April 2025
85AQI
85AQI
24th April 2025
94AQI
94AQI
25th April 2025
102AQI
102AQI
26th April 2025
100AQI
100AQI
27th April 2025
88AQI
88AQI
28th April 2025
74AQI
74AQI
29th April 2025
69AQI
69AQI
30th April 2025
67AQI
67AQI
1st May 2025
62AQI
62AQI
2nd May 2025
67AQI
67AQI
3rd May 2025
64AQI
64AQI
4th May 2025
70AQI
70AQI
5th May 2025
71AQI
71AQI
6th May 2025
69AQI
69AQI
7th May 2025
68AQI
68AQI
8th May 2025
67AQI
67AQI
9th May 2025
67AQI
67AQI
10th May 2025
64AQI
64AQI
11th May 2025
60AQI
60AQI
12th May 2025
51AQI
51AQI
13th May 2025
60AQI
60AQI
14th May 2025
65AQI
65AQI
15th May 2025
60AQI
60AQI
16th May 2025
62AQI
62AQI
17th May 2025
68AQI
68AQI
18th May 2025
56AQI
56AQI
19th May 2025
58AQI
58AQI
20th May 2025
60AQI
60AQI
21st May 2025
57AQI
57AQI
22nd May 2025
58AQI
58AQI
23rd May 2025
56AQI
56AQI
24th May 2025
52AQI
52AQI
25th May 2025
51AQI
51AQI
26th May 2025
48AQI
48AQI
27th May 2025
50AQI
50AQI
28th May 2025
45AQI
45AQI
29th May 2025
50AQI
50AQI
30th May 2025
50AQI
50AQI
31st May 2025
50AQI
50AQI
1st June 2025
52AQI
52AQI
2nd June 2025
53AQI
53AQI
3rd June 2025
55AQI
55AQI
4th June 2025
61AQI
61AQI
5th June 2025
62AQI
62AQI
6th June 2025
62AQI
62AQI
7th June 2025
63AQI
63AQI
8th June 2025
59AQI
59AQI
9th June 2025
59AQI
59AQI
10th June 2025
59AQI
59AQI
11th June 2025
54AQI
54AQI
12th June 2025
56AQI
56AQI
13th June 2025
58AQI
58AQI
14th June 2025
55AQI
55AQI
15th June 2025
53AQI
53AQI
16th June 2025
52AQI
52AQI
17th June 2025
52AQI
52AQI
18th June 2025
49AQI
49AQI
19th June 2025
48AQI
48AQI
20th June 2025
49AQI
49AQI
21st June 2025
51AQI
51AQI
22nd June 2025
51AQI
51AQI
23rd June 2025
49AQI
49AQI
24th June 2025
51AQI
51AQI
25th June 2025
51AQI
51AQI
26th June 2025
53AQI
53AQI
27th June 2025
51AQI
51AQI
28th June 2025
51AQI
51AQI
29th June 2025
53AQI
53AQI
30th June 2025
54AQI
54AQI
1st July 2025
55AQI
55AQI
2nd July 2025
55AQI
55AQI
3rd July 2025
56AQI
56AQI
4th July 2025
53AQI
53AQI
5th July 2025
55AQI
55AQI
6th July 2025
52AQI
52AQI
7th July 2025
51AQI
51AQI
8th July 2025
53AQI
53AQI
9th July 2025
55AQI
55AQI
10th July 2025
56AQI
56AQI
11th July 2025
56AQI
56AQI
12th July 2025
53AQI
53AQI
13th July 2025
53AQI
53AQI
14th July 2025
53AQI
53AQI
15th July 2025
52AQI
52AQI
16th July 2025
50AQI
50AQI
17th July 2025
47AQI
47AQI
18th July 2025
45AQI
45AQI
19th July 2025
45AQI
45AQI
20th July 2025
45AQI
45AQI
21st July 2025
47AQI
47AQI
22nd July 2025
49AQI
49AQI
23rd July 2025
42AQI
42AQI
24th July 2025
44AQI
44AQI
25th July 2025
48AQI
48AQI
26th July 2025
51AQI
51AQI
27th July 2025
48AQI
48AQI
28th July 2025
49AQI
49AQI
29th July 2025
48AQI
48AQI
30th July 2025
52AQI
52AQI
31st July 2025
56AQI
56AQI
1st August 2025
58AQI
58AQI
2nd August 2025
56AQI
56AQI
99AQI
105AQI
124AQI
85AQI
59AQI
54AQI
51AQI
57AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202582AQI
18
13
10
18
8
15
8
23
7
6
25
4
26
13
18
2
23
130
53
8
Highest AQI recorded in
March124AQI
Lowest AQI recorded in
July51AQI
202466AQI
1
24
6
3
12
14
5
22
4
1
2
24
3
15
10
6
30
31
31
3
6
7
30
1
30
122
120
72
7
Highest AQI recorded in
March124AQI
Lowest AQI recorded in
September11AQI
2023105AQI
9
21
1
1
10
17
4
22
5
2
8
19
1
20
11
22
8
16
3
31
38
74
54
59
6
Highest AQI recorded in
March176AQI
Lowest AQI recorded in
July25AQI
202286AQI
2
1
3
25
3
11
3
30
12
Highest AQI recorded in
December113AQI
Lowest AQI recorded in
November72AQI
Most & Least Polluted Years Over the Last 4 Years
Most Polluted Year Recorded
2023(Avg.)
105AQILeast Polluted Year Recorded
2024(Avg.)
66AQISai Yoi's annual 2025 AQI (82) shows an average percentage change of -0.6% (improved AQI) compared to previous years: 2022 (86), 2023 (105), 2024 (66).
