Country Background
HistoryAQIPM2.5PM10COSO2NO2O3

Ham Yen District, Tuyen Quang Province, Vietnam 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

Ham Yen District, Tuyen Quang Province, Vietnam

2023
2024
2025
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
14th Aug 2023
89AQI
Lowest AQI recorded on
11th Aug 2024
0AQI

Same Day Analysis (19th August ):
On this day, AQI across the 3 years varied significantly: 2025 ranks 2nd highest AQI at 45 of Good air quality, showing improvement over 2023 on the same day.

Download 2024 Annual Data

World Air Quality Report

Globe

Day & Night AQI Trend: 20th Aug - 21st Aug 2025

Ham Yen District, Tuyen Quang Province, Vietnam

AQI
Day
Night
.

5 AM20th Aug 2025

6 PM

4 AM21st Aug 2025

Day time
Avg. Highest Time
12AMNaNth undefined

AQI

Avg. Lowest Time
12AMNaNth undefined

AQI

Night time
Avg. Highest Time
9PM20th Aug

56AQI

Avg. Lowest Time
9AM20th Aug

34AQI

In the last 24 hours,

Ham Yen District's AQI reached its highest point of 56 at 9 PM during the Night, while the lowest point, 34, was recorded at 9 AM during the Night between 20th Aug and 21st Aug 2025.

Day & Night AQI Trend : Jul - Aug 2025

Ham Yen District, Tuyen Quang Province, Vietnam

JulAug
22nd - 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 - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st
Day
Night
22nd Jul 2025565 AMAQI
22nd Jul 2025566 AMAQI
22nd Jul 2025347 AMAQI
22nd Jul 2025348 AMAQI
22nd Jul 2025389 AMAQI
22nd Jul 20253910 AMAQI
22nd Jul 20254111 AMAQI
22nd Jul 20254312 PMAQI
22nd Jul 2025371 PMAQI
22nd Jul 2025382 PMAQI
22nd Jul 2025403 PMAQI
22nd Jul 2025364 PMAQI
22nd Jul 2025355 PMAQI
22nd Jul 2025446 PMAQI
22nd Jul 2025517 PMAQI
22nd Jul 2025528 PMAQI
22nd Jul 2025529 PMAQI
22nd Jul 20255010 PMAQI
22nd Jul 20255111 PMAQI
23rd Jul 20255212 AMAQI
23rd Jul 2025551 AMAQI
23rd Jul 2025562 AMAQI
23rd Jul 2025543 AMAQI
23rd Jul 2025544 AMAQI

25°C24/29°C

23rd Jul 2025545 AMAQI
23rd Jul 2025546 AMAQI
23rd Jul 2025367 AMAQI
23rd Jul 2025308 AMAQI
23rd Jul 2025289 AMAQI
23rd Jul 20253110 AMAQI
23rd Jul 20253311 AMAQI
23rd Jul 20253412 PMAQI
23rd Jul 2025351 PMAQI
23rd Jul 2025302 PMAQI
23rd Jul 2025353 PMAQI
23rd Jul 2025334 PMAQI
23rd Jul 2025365 PMAQI
23rd Jul 2025396 PMAQI
23rd Jul 2025507 PMAQI
23rd Jul 2025518 PMAQI
23rd Jul 2025509 PMAQI
23rd Jul 20254910 PMAQI
23rd Jul 20255011 PMAQI
24th Jul 20255212 AMAQI
24th Jul 2025531 AMAQI
24th Jul 2025522 AMAQI
24th Jul 2025523 AMAQI
24th Jul 2025524 AMAQI

25°C23/29°C

24th Jul 2025525 AMAQI
24th Jul 2025526 AMAQI
24th Jul 2025417 AMAQI
24th Jul 2025468 AMAQI
24th Jul 2025409 AMAQI
24th Jul 20255010 AMAQI
24th Jul 20254111 AMAQI
24th Jul 20253912 PMAQI
24th Jul 2025411 PMAQI
24th Jul 2025372 PMAQI
24th Jul 2025443 PMAQI
24th Jul 2025414 PMAQI
24th Jul 2025445 PMAQI
24th Jul 2025476 PMAQI
24th Jul 2025547 PMAQI
24th Jul 2025538 PMAQI
24th Jul 2025539 PMAQI
24th Jul 20255410 PMAQI
24th Jul 20255211 PMAQI
25th Jul 20255212 AMAQI
25th Jul 2025521 AMAQI
25th Jul 2025522 AMAQI
25th Jul 2025523 AMAQI
25th Jul 2025514 AMAQI

26°C23/31°C

25th Jul 2025525 AMAQI
25th Jul 2025526 AMAQI
25th Jul 2025567 AMAQI
25th Jul 2025588 AMAQI
25th Jul 2025629 AMAQI
25th Jul 20256210 AMAQI
25th Jul 20255811 AMAQI
25th Jul 20255312 PMAQI
25th Jul 2025521 PMAQI
25th Jul 2025472 PMAQI
25th Jul 2025483 PMAQI
25th Jul 2025464 PMAQI
25th Jul 2025505 PMAQI
25th Jul 2025516 PMAQI
25th Jul 2025537 PMAQI
25th Jul 2025548 PMAQI
25th Jul 2025539 PMAQI
25th Jul 20255210 PMAQI
25th Jul 20255011 PMAQI
26th Jul 20255012 AMAQI
26th Jul 2025531 AMAQI
26th Jul 2025522 AMAQI
26th Jul 2025523 AMAQI
26th Jul 2025524 AMAQI

26°C23/32°C

26th Jul 2025535 AMAQI
26th Jul 2025536 AMAQI
26th Jul 2025527 AMAQI
26th Jul 2025548 AMAQI
26th Jul 2025559 AMAQI
26th Jul 20255810 AMAQI
26th Jul 20255711 AMAQI
26th Jul 20255612 PMAQI
26th Jul 2025571 PMAQI
26th Jul 2025542 PMAQI
26th Jul 2025543 PMAQI
26th Jul 2025534 PMAQI
26th Jul 2025535 PMAQI
26th Jul 2025556 PMAQI
26th Jul 2025537 PMAQI
26th Jul 2025548 PMAQI
26th Jul 2025539 PMAQI
26th Jul 20255210 PMAQI
26th Jul 20255211 PMAQI
27th Jul 20255212 AMAQI
27th Jul 2025541 AMAQI
27th Jul 2025542 AMAQI
27th Jul 2025543 AMAQI
27th Jul 2025554 AMAQI

26°C23/32°C

27th Jul 2025555 AMAQI
27th Jul 2025546 AMAQI
27th Jul 2025547 AMAQI
27th Jul 2025548 AMAQI
27th Jul 2025549 AMAQI
27th Jul 20255610 AMAQI
27th Jul 20255111 AMAQI
27th Jul 20254812 PMAQI
27th Jul 2025531 PMAQI
27th Jul 2025502 PMAQI
27th Jul 2025563 PMAQI
27th Jul 2025564 PMAQI
27th Jul 2025565 PMAQI
27th Jul 2025636 PMAQI
27th Jul 2025577 PMAQI
27th Jul 2025608 PMAQI
27th Jul 2025609 PMAQI
27th Jul 20255810 PMAQI
27th Jul 20256011 PMAQI
28th Jul 20255812 AMAQI
28th Jul 2025561 AMAQI
28th Jul 2025552 AMAQI
28th Jul 2025563 AMAQI
28th Jul 2025554 AMAQI

27°C22/32°C

28th Jul 2025545 AMAQI
28th Jul 2025566 AMAQI
28th Jul 2025607 AMAQI
28th Jul 2025628 AMAQI
28th Jul 2025629 AMAQI
28th Jul 20256010 AMAQI
28th Jul 20256211 AMAQI
28th Jul 20256012 PMAQI
28th Jul 2025611 PMAQI
28th Jul 2025622 PMAQI
28th Jul 2025623 PMAQI
28th Jul 2025604 PMAQI
28th Jul 2025595 PMAQI
28th Jul 2025606 PMAQI
28th Jul 2025587 PMAQI
28th Jul 2025618 PMAQI
28th Jul 2025639 PMAQI
28th Jul 20256410 PMAQI
28th Jul 20256011 PMAQI
29th Jul 20255612 AMAQI
29th Jul 2025561 AMAQI
29th Jul 2025572 AMAQI
29th Jul 2025583 AMAQI
29th Jul 2025584 AMAQI

28°C23/36°C

29th Jul 2025585 AMAQI
29th Jul 2025586 AMAQI
29th Jul 2025587 AMAQI
29th Jul 2025608 AMAQI
29th Jul 2025619 AMAQI
29th Jul 20255810 AMAQI
29th Jul 20256111 AMAQI
29th Jul 20256512 PMAQI
29th Jul 2025601 PMAQI
29th Jul 2025612 PMAQI
29th Jul 2025643 PMAQI
29th Jul 2025614 PMAQI
29th Jul 2025605 PMAQI
29th Jul 2025606 PMAQI
29th Jul 2025617 PMAQI
29th Jul 2025608 PMAQI
29th Jul 2025609 PMAQI
29th Jul 20256110 PMAQI
29th Jul 20256111 PMAQI
30th Jul 20256112 AMAQI
30th Jul 2025601 AMAQI
30th Jul 2025612 AMAQI
30th Jul 2025633 AMAQI
30th Jul 2025644 AMAQI

29°C24/37°C

30th Jul 2025635 AMAQI
30th Jul 2025646 AMAQI
30th Jul 2025627 AMAQI
30th Jul 2025648 AMAQI
30th Jul 2025669 AMAQI
30th Jul 20257010 AMAQI
30th Jul 20256811 AMAQI
30th Jul 20256812 PMAQI
30th Jul 2025681 PMAQI
30th Jul 2025692 PMAQI
30th Jul 2025723 PMAQI
30th Jul 2025694 PMAQI
30th Jul 2025685 PMAQI
30th Jul 2025646 PMAQI
30th Jul 2025627 PMAQI
30th Jul 2025628 PMAQI
30th Jul 2025609 PMAQI
30th Jul 20255910 PMAQI
30th Jul 20255811 PMAQI
31st Jul 20255912 AMAQI
31st Jul 2025601 AMAQI
31st Jul 2025612 AMAQI
31st Jul 2025613 AMAQI
31st Jul 2025614 AMAQI

29°C25/36°C

31st Jul 2025615 AMAQI
31st Jul 2025616 AMAQI
31st Jul 2025617 AMAQI
31st Jul 2025618 AMAQI
31st Jul 2025589 AMAQI
31st Jul 20255810 AMAQI
31st Jul 20255411 AMAQI
31st Jul 20255512 PMAQI
31st Jul 2025541 PMAQI
31st Jul 2025532 PMAQI
31st Jul 2025523 PMAQI
31st Jul 2025534 PMAQI
31st Jul 2025525 PMAQI
31st Jul 2025546 PMAQI
31st Jul 2025607 PMAQI
31st Jul 2025608 PMAQI
31st Jul 2025629 PMAQI
31st Jul 20256110 PMAQI
31st Jul 20256011 PMAQI
1st Aug 20255912 AMAQI
1st Aug 2025601 AMAQI
1st Aug 2025572 AMAQI
1st Aug 2025573 AMAQI
1st Aug 2025564 AMAQI

28°C23/35°C

1st Aug 2025575 AMAQI
1st Aug 2025576 AMAQI
1st Aug 2025557 AMAQI
1st Aug 2025618 AMAQI
1st Aug 2025599 AMAQI
1st Aug 20255610 AMAQI
1st Aug 20255611 AMAQI
1st Aug 20255112 PMAQI
1st Aug 2025481 PMAQI
1st Aug 2025502 PMAQI
1st Aug 2025583 PMAQI
1st Aug 2025544 PMAQI
1st Aug 2025545 PMAQI
1st Aug 2025526 PMAQI
1st Aug 2025577 PMAQI
1st Aug 2025588 PMAQI
1st Aug 2025589 PMAQI
1st Aug 20255810 PMAQI
1st Aug 20255611 PMAQI
2nd Aug 20255712 AMAQI
2nd Aug 2025571 AMAQI
2nd Aug 2025572 AMAQI
2nd Aug 2025563 AMAQI
2nd Aug 2025574 AMAQI

27°C23/33°C

2nd Aug 2025575 AMAQI
2nd Aug 2025576 AMAQI
2nd Aug 2025527 AMAQI
2nd Aug 2025518 AMAQI
2nd Aug 2025489 AMAQI
2nd Aug 20255310 AMAQI
2nd Aug 20255111 AMAQI
2nd Aug 20255212 PMAQI
2nd Aug 2025471 PMAQI
2nd Aug 2025422 PMAQI
2nd Aug 2025533 PMAQI
2nd Aug 2025564 PMAQI
2nd Aug 2025565 PMAQI
2nd Aug 2025606 PMAQI
2nd Aug 2025567 PMAQI
2nd Aug 2025588 PMAQI
2nd Aug 2025609 PMAQI
2nd Aug 20255910 PMAQI
2nd Aug 20255711 PMAQI
3rd Aug 20255912 AMAQI
3rd Aug 2025571 AMAQI
3rd Aug 2025572 AMAQI
3rd Aug 2025573 AMAQI
3rd Aug 2025584 AMAQI

29°C23/36°C

3rd Aug 2025575 AMAQI
3rd Aug 2025576 AMAQI
3rd Aug 2025517 AMAQI
3rd Aug 2025538 AMAQI
3rd Aug 2025579 AMAQI
3rd Aug 20256010 AMAQI
3rd Aug 20256411 AMAQI
3rd Aug 20256512 PMAQI
3rd Aug 2025551 PMAQI
3rd Aug 2025522 PMAQI
3rd Aug 2025533 PMAQI
3rd Aug 2025564 PMAQI
3rd Aug 2025535 PMAQI
3rd Aug 2025526 PMAQI
3rd Aug 2025567 PMAQI
3rd Aug 2025608 PMAQI
3rd Aug 2025639 PMAQI
3rd Aug 20255810 PMAQI
3rd Aug 20255811 PMAQI
4th Aug 20255712 AMAQI
4th Aug 2025571 AMAQI
4th Aug 2025572 AMAQI
4th Aug 2025573 AMAQI
4th Aug 2025564 AMAQI

30°C25/37°C

4th Aug 2025565 AMAQI
4th Aug 2025576 AMAQI
4th Aug 2025537 AMAQI
4th Aug 2025568 AMAQI
4th Aug 2025579 AMAQI
4th Aug 20255810 AMAQI
4th Aug 20256211 AMAQI
4th Aug 20255812 PMAQI
4th Aug 2025581 PMAQI
4th Aug 2025592 PMAQI
4th Aug 2025603 PMAQI
4th Aug 2025624 PMAQI
4th Aug 2025585 PMAQI
4th Aug 2025586 PMAQI
4th Aug 2025577 PMAQI
4th Aug 2025588 PMAQI
4th Aug 2025589 PMAQI
4th Aug 20255610 PMAQI
4th Aug 20255611 PMAQI
5th Aug 20255712 AMAQI
5th Aug 2025561 AMAQI
5th Aug 2025572 AMAQI
5th Aug 2025573 AMAQI
5th Aug 2025584 AMAQI

30°C25/37°C

5th Aug 2025595 AMAQI
5th Aug 2025576 AMAQI
5th Aug 2025487 AMAQI
5th Aug 2025488 AMAQI
5th Aug 2025569 AMAQI
5th Aug 20255610 AMAQI
5th Aug 20255411 AMAQI
5th Aug 20255412 PMAQI
5th Aug 2025561 PMAQI
5th Aug 2025542 PMAQI
5th Aug 2025603 PMAQI
5th Aug 2025544 PMAQI
5th Aug 2025605 PMAQI
5th Aug 2025586 PMAQI
5th Aug 2025577 PMAQI
5th Aug 2025568 PMAQI
5th Aug 2025559 PMAQI
5th Aug 20255610 PMAQI
5th Aug 20255611 PMAQI
6th Aug 20255712 AMAQI
6th Aug 2025581 AMAQI
6th Aug 2025562 AMAQI
6th Aug 2025563 AMAQI
6th Aug 2025554 AMAQI

25°C23/27°C

6th Aug 2025565 AMAQI
6th Aug 2025556 AMAQI
6th Aug 2025487 AMAQI
6th Aug 2025488 AMAQI
6th Aug 2025549 AMAQI
6th Aug 20255010 AMAQI
6th Aug 20255511 AMAQI
6th Aug 20255012 PMAQI
6th Aug 2025531 PMAQI
6th Aug 2025522 PMAQI
6th Aug 2025463 PMAQI
6th Aug 2025454 PMAQI
6th Aug 2025435 PMAQI
6th Aug 2025466 PMAQI
6th Aug 2025537 PMAQI
6th Aug 2025538 PMAQI
6th Aug 2025549 PMAQI
6th Aug 20255410 PMAQI
6th Aug 20255411 PMAQI
7th Aug 20255612 AMAQI
7th Aug 2025551 AMAQI
7th Aug 2025542 AMAQI
7th Aug 2025553 AMAQI
7th Aug 2025554 AMAQI

24°C23/26°C

7th Aug 2025555 AMAQI
7th Aug 2025556 AMAQI
7th Aug 2025407 AMAQI
7th Aug 2025488 AMAQI
7th Aug 2025459 AMAQI
7th Aug 20254810 AMAQI
7th Aug 20254011 AMAQI
7th Aug 20254112 PMAQI
7th Aug 2025391 PMAQI
7th Aug 2025362 PMAQI
7th Aug 2025403 PMAQI
7th Aug 2025484 PMAQI
7th Aug 2025455 PMAQI
7th Aug 2025456 PMAQI
7th Aug 2025507 PMAQI
7th Aug 2025528 PMAQI
7th Aug 2025549 PMAQI
7th Aug 20255410 PMAQI
7th Aug 20255411 PMAQI
8th Aug 20255312 AMAQI
8th Aug 2025541 AMAQI
8th Aug 2025542 AMAQI
8th Aug 2025533 AMAQI
8th Aug 2025534 AMAQI

24°C23/26°C

8th Aug 2025535 AMAQI
8th Aug 2025536 AMAQI
8th Aug 2025547 AMAQI
8th Aug 2025558 AMAQI
8th Aug 2025629 AMAQI
8th Aug 20256410 AMAQI
8th Aug 20256111 AMAQI
8th Aug 20256012 PMAQI
8th Aug 2025701 PMAQI
8th Aug 2025682 PMAQI
8th Aug 2025523 PMAQI
8th Aug 2025434 PMAQI
8th Aug 2025415 PMAQI
8th Aug 2025426 PMAQI
8th Aug 2025507 PMAQI
8th Aug 2025518 PMAQI
8th Aug 2025539 PMAQI
8th Aug 20255410 PMAQI
8th Aug 20255311 PMAQI
9th Aug 20255412 AMAQI
9th Aug 2025541 AMAQI
9th Aug 2025542 AMAQI
9th Aug 2025543 AMAQI
9th Aug 2025544 AMAQI

27°C22/34°C

9th Aug 2025545 AMAQI
9th Aug 2025546 AMAQI
9th Aug 2025467 AMAQI
9th Aug 2025438 AMAQI
9th Aug 2025469 AMAQI
9th Aug 20254010 AMAQI
9th Aug 20254911 AMAQI
9th Aug 20254912 PMAQI
9th Aug 2025491 PMAQI
9th Aug 2025472 PMAQI
9th Aug 2025513 PMAQI
9th Aug 2025514 PMAQI
9th Aug 2025515 PMAQI
9th Aug 2025486 PMAQI
9th Aug 2025497 PMAQI
9th Aug 2025538 PMAQI
9th Aug 2025579 PMAQI
9th Aug 20255610 PMAQI
9th Aug 20255411 PMAQI
10th Aug 20255312 AMAQI
10th Aug 2025541 AMAQI
10th Aug 2025542 AMAQI
10th Aug 2025543 AMAQI
10th Aug 2025544 AMAQI

27°C23/35°C

10th Aug 2025535 AMAQI
10th Aug 2025546 AMAQI
10th Aug 2025477 AMAQI
10th Aug 2025358 AMAQI
10th Aug 2025329 AMAQI
10th Aug 20253910 AMAQI
10th Aug 20254611 AMAQI
10th Aug 20254512 PMAQI
10th Aug 2025441 PMAQI
10th Aug 2025482 PMAQI
10th Aug 2025403 PMAQI
10th Aug 2025434 PMAQI
10th Aug 2025385 PMAQI
10th Aug 2025416 PMAQI
10th Aug 2025457 PMAQI
10th Aug 2025518 PMAQI
10th Aug 2025529 PMAQI
10th Aug 20255210 PMAQI
10th Aug 20255011 PMAQI
11th Aug 20255412 AMAQI
11th Aug 2025551 AMAQI
11th Aug 2025552 AMAQI
11th Aug 2025543 AMAQI
11th Aug 2025544 AMAQI

27°C23/33°C

11th Aug 2025545 AMAQI
11th Aug 2025546 AMAQI
11th Aug 2025557 AMAQI
11th Aug 2025488 AMAQI
11th Aug 2025509 AMAQI
11th Aug 20255210 AMAQI
11th Aug 20254911 AMAQI
11th Aug 20254212 PMAQI
11th Aug 2025521 PMAQI
11th Aug 2025582 PMAQI
11th Aug 2025563 PMAQI
11th Aug 2025514 PMAQI
11th Aug 2025585 PMAQI
11th Aug 2025546 PMAQI
11th Aug 2025537 PMAQI
11th Aug 2025558 PMAQI
11th Aug 2025579 PMAQI
11th Aug 20255710 PMAQI
11th Aug 20255611 PMAQI
12th Aug 20255312 AMAQI
12th Aug 2025541 AMAQI
12th Aug 2025542 AMAQI
12th Aug 2025543 AMAQI
12th Aug 2025544 AMAQI

26°C23/32°C

12th Aug 2025545 AMAQI
12th Aug 2025546 AMAQI
12th Aug 2025507 AMAQI
12th Aug 2025558 AMAQI
12th Aug 2025559 AMAQI
12th Aug 20255610 AMAQI
12th Aug 20255211 AMAQI
12th Aug 20255412 PMAQI
12th Aug 2025541 PMAQI
12th Aug 2025522 PMAQI
12th Aug 2025533 PMAQI
12th Aug 2025494 PMAQI
12th Aug 2025515 PMAQI
12th Aug 2025526 PMAQI
12th Aug 2025517 PMAQI
12th Aug 2025548 PMAQI
12th Aug 2025569 PMAQI
12th Aug 20255710 PMAQI
12th Aug 20255411 PMAQI
13th Aug 20255412 AMAQI
13th Aug 2025531 AMAQI
13th Aug 2025522 AMAQI
13th Aug 2025543 AMAQI
13th Aug 2025534 AMAQI

27°C23/33°C

13th Aug 2025535 AMAQI
13th Aug 2025546 AMAQI
13th Aug 2025517 AMAQI
13th Aug 2025548 AMAQI
13th Aug 2025649 AMAQI
13th Aug 20255610 AMAQI
13th Aug 20255211 AMAQI
13th Aug 20255212 PMAQI
13th Aug 2025461 PMAQI
13th Aug 2025482 PMAQI
13th Aug 2025463 PMAQI
13th Aug 2025524 PMAQI
13th Aug 2025565 PMAQI
13th Aug 2025496 PMAQI
13th Aug 2025547 PMAQI
13th Aug 2025548 PMAQI
13th Aug 2025549 PMAQI
13th Aug 20255410 PMAQI
13th Aug 20255611 PMAQI
14th Aug 20255412 AMAQI
14th Aug 2025521 AMAQI
14th Aug 2025532 AMAQI
14th Aug 2025533 AMAQI
14th Aug 2025534 AMAQI

26°C23/32°C

14th Aug 2025545 AMAQI
14th Aug 2025536 AMAQI
14th Aug 2025567 AMAQI
14th Aug 2025598 AMAQI
14th Aug 2025529 AMAQI
14th Aug 20255410 AMAQI
14th Aug 20255911 AMAQI
14th Aug 20256112 PMAQI
14th Aug 2025601 PMAQI
14th Aug 2025632 PMAQI
14th Aug 2025603 PMAQI
14th Aug 2025554 PMAQI
14th Aug 2025605 PMAQI
14th Aug 2025606 PMAQI
14th Aug 2025597 PMAQI
14th Aug 2025618 PMAQI
14th Aug 2025589 PMAQI
14th Aug 20255310 PMAQI
14th Aug 20255611 PMAQI
15th Aug 20255412 AMAQI
15th Aug 2025541 AMAQI
15th Aug 2025542 AMAQI
15th Aug 2025533 AMAQI
15th Aug 2025544 AMAQI

28°C22/36°C

15th Aug 2025545 AMAQI
15th Aug 2025536 AMAQI
15th Aug 2025327 AMAQI
15th Aug 2025298 AMAQI
15th Aug 2025419 AMAQI
15th Aug 20253810 AMAQI
15th Aug 20253211 AMAQI
15th Aug 20253912 PMAQI
15th Aug 2025381 PMAQI
15th Aug 2025432 PMAQI
15th Aug 2025483 PMAQI
15th Aug 2025434 PMAQI
15th Aug 2025365 PMAQI
15th Aug 2025416 PMAQI
15th Aug 2025517 PMAQI
15th Aug 2025538 PMAQI
15th Aug 2025519 PMAQI
15th Aug 20255110 PMAQI
15th Aug 20255011 PMAQI
16th Aug 20255212 AMAQI
16th Aug 2025531 AMAQI
16th Aug 2025522 AMAQI
16th Aug 2025533 AMAQI
16th Aug 2025524 AMAQI

23°C22/23°C

16th Aug 2025525 AMAQI
16th Aug 2025536 AMAQI
16th Aug 2025387 AMAQI
16th Aug 2025328 AMAQI
16th Aug 2025449 AMAQI
16th Aug 20254810 AMAQI
16th Aug 20254311 AMAQI
16th Aug 20254712 PMAQI
16th Aug 2025401 PMAQI
16th Aug 2025392 PMAQI
16th Aug 2025443 PMAQI
16th Aug 2025364 PMAQI
16th Aug 2025475 PMAQI
16th Aug 2025376 PMAQI
16th Aug 2025447 PMAQI
16th Aug 2025448 PMAQI
16th Aug 2025509 PMAQI
16th Aug 20254910 PMAQI
16th Aug 20254611 PMAQI
17th Aug 20254912 AMAQI
17th Aug 2025521 AMAQI
17th Aug 2025522 AMAQI
17th Aug 2025523 AMAQI
17th Aug 2025524 AMAQI

24°C22/27°C

17th Aug 2025525 AMAQI
17th Aug 2025526 AMAQI
17th Aug 2025357 AMAQI
17th Aug 2025308 AMAQI
17th Aug 2025379 AMAQI
17th Aug 20253610 AMAQI
17th Aug 20254511 AMAQI
17th Aug 20253112 PMAQI
17th Aug 2025301 PMAQI
17th Aug 2025352 PMAQI
17th Aug 2025333 PMAQI
17th Aug 2025364 PMAQI
17th Aug 2025345 PMAQI
17th Aug 2025446 PMAQI
17th Aug 2025417 PMAQI
17th Aug 2025438 PMAQI
17th Aug 2025479 PMAQI
17th Aug 20254910 PMAQI
17th Aug 20254911 PMAQI
18th Aug 20255112 AMAQI
18th Aug 2025511 AMAQI
18th Aug 2025522 AMAQI
18th Aug 2025493 AMAQI
18th Aug 2025474 AMAQI

25°C21/33°C

18th Aug 2025495 AMAQI
18th Aug 2025506 AMAQI
18th Aug 2025387 AMAQI
18th Aug 2025388 AMAQI
18th Aug 2025349 AMAQI
18th Aug 20254010 AMAQI
18th Aug 20253211 AMAQI
18th Aug 20253012 PMAQI
18th Aug 2025331 PMAQI
18th Aug 2025302 PMAQI
18th Aug 2025323 PMAQI
18th Aug 2025354 PMAQI
18th Aug 2025355 PMAQI
18th Aug 2025336 PMAQI
18th Aug 2025357 PMAQI
18th Aug 2025448 PMAQI
18th Aug 2025419 PMAQI
18th Aug 20254410 PMAQI
18th Aug 20254711 PMAQI
19th Aug 20255012 AMAQI
19th Aug 2025521 AMAQI
19th Aug 2025502 AMAQI
19th Aug 2025493 AMAQI
19th Aug 2025494 AMAQI

25°C21/34°C

19th Aug 2025495 AMAQI
19th Aug 2025486 AMAQI
19th Aug 2025277 AMAQI
19th Aug 2025258 AMAQI
19th Aug 2025399 AMAQI
19th Aug 20253610 AMAQI
19th Aug 20253711 AMAQI
19th Aug 20254212 PMAQI
19th Aug 2025391 PMAQI
19th Aug 2025402 PMAQI
19th Aug 2025423 PMAQI
19th Aug 2025374 PMAQI
19th Aug 2025365 PMAQI
19th Aug 2025436 PMAQI
19th Aug 2025467 PMAQI
19th Aug 2025468 PMAQI
19th Aug 2025489 PMAQI
19th Aug 20255210 PMAQI
19th Aug 20255311 PMAQI
20th Aug 20254812 AMAQI
20th Aug 2025501 AMAQI
20th Aug 2025502 AMAQI
20th Aug 2025523 AMAQI
20th Aug 2025524 AMAQI

24°C22/26°C

20th Aug 2025525 AMAQI
20th Aug 2025516 AMAQI
20th Aug 2025457 AMAQI
20th Aug 2025488 AMAQI
20th Aug 2025349 AMAQI
20th Aug 20254610 AMAQI
20th Aug 20253611 AMAQI
20th Aug 20254112 PMAQI
20th Aug 2025401 PMAQI
20th Aug 2025372 PMAQI
20th Aug 2025423 PMAQI
20th Aug 2025444 PMAQI
20th Aug 2025405 PMAQI
20th Aug 2025406 PMAQI
20th Aug 2025507 PMAQI
20th Aug 2025548 PMAQI
20th Aug 2025569 PMAQI
20th Aug 20255310 PMAQI
20th Aug 20255611 PMAQI
21st Aug 20255412 AMAQI
21st Aug 2025541 AMAQI
21st Aug 2025522 AMAQI
21st Aug 2025523 AMAQI
21st Aug 2025524 AMAQI

--°C/°C

21st Aug 2025525 AMAQI
5 AM
11 AM
6 PM
11 PM
4 AM

--°C/°C

Day time
Avg. Highest Time
5 AM - 6 AM

55AQI

2 hours / Day
60 hours / Month
Avg. Lowest Time
7 AM - 6 PM

49AQI

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. 55), while the lowest AQI was between 7 AM to 6 PM (Avg. 49).
Night time
Avg. Highest Time
12 AM - 11 PM

54AQI

10 hours / Day
300 hours / Month
Avg. Lowest Time
12 AM - 11 PM

54AQI

10 hours / Day
300 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 11 PM (Avg. 54), while the lowest AQI was between 12 AM to 11 PM (Avg. 54).

2025 Days Vs Air Quality

Ham Yen District, Tuyen Quang Province, Vietnam

2025

9%

20

74%

171

16%

36

2%

4

Total number of days with different AQI categories in last 232 days in 2025 (133 days remaining)

Good
20 Days
Moderate
171 Days
Poor
36 Days
Unhealthy
4 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 9%

Health Risk Level:

Extreme

In 2025, 9% of 232 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

Ham Yen District, Tuyen Quang Province, Vietnam

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
150AQI
2nd January 2025
151AQI
3rd January 2025
142AQI
4th January 2025
147AQI
5th January 2025
144AQI
6th January 2025
152AQI
7th January 2025
150AQI
8th January 2025
155AQI
9th January 2025
145AQI
10th January 2025
94AQI
11th January 2025
98AQI
12th January 2025
104AQI
13th January 2025
120AQI
14th January 2025
132AQI
15th January 2025
134AQI
16th January 2025
131AQI
17th January 2025
143AQI
18th January 2025
149AQI
19th January 2025
148AQI
20th January 2025
159AQI
21st January 2025
143AQI
22nd January 2025
142AQI
23rd January 2025
142AQI
24th January 2025
123AQI
25th January 2025
105AQI
26th January 2025
71AQI
27th January 2025
79AQI
28th January 2025
81AQI
29th January 2025
112AQI
30th January 2025
95AQI
31st January 2025
99AQI
1st February 2025
100AQI
2nd February 2025
94AQI
3rd February 2025
70AQI
4th February 2025
73AQI
5th February 2025
99AQI
6th February 2025
88AQI
7th February 2025
62AQI
8th February 2025
72AQI
9th February 2025
83AQI
10th February 2025
124AQI
11th February 2025
133AQI
12th February 2025
121AQI
13th February 2025
112AQI
14th February 2025
127AQI
15th February 2025
113AQI
16th February 2025
104AQI
17th February 2025
93AQI
18th February 2025
79AQI
19th February 2025
92AQI
20th February 2025
99AQI
21st February 2025
83AQI
22nd February 2025
94AQI
23rd February 2025
59AQI
24th February 2025
67AQI
25th February 2025
83AQI
26th February 2025
68AQI
27th February 2025
92AQI
28th February 2025
91AQI
1st March 2025
89AQI
2nd March 2025
88AQI
3rd March 2025
86AQI
4th March 2025
91AQI
5th March 2025
94AQI
6th March 2025
73AQI
7th March 2025
72AQI
8th March 2025
85AQI
9th March 2025
96AQI
10th March 2025
105AQI
11th March 2025
96AQI
12th March 2025
89AQI
13th March 2025
85AQI
14th March 2025
83AQI
15th March 2025
77AQI
16th March 2025
65AQI
17th March 2025
81AQI
18th March 2025
71AQI
19th March 2025
72AQI
20th March 2025
85AQI
21st March 2025
102AQI
22nd March 2025
114AQI
23rd March 2025
113AQI
24th March 2025
123AQI
25th March 2025
120AQI
26th March 2025
114AQI
27th March 2025
101AQI
28th March 2025
102AQI
29th March 2025
80AQI
30th March 2025
66AQI
31st March 2025
64AQI
1st April 2025
73AQI
2nd April 2025
91AQI
3rd April 2025
89AQI
4th April 2025
89AQI
5th April 2025
94AQI
6th April 2025
92AQI
7th April 2025
89AQI
8th April 2025
92AQI
9th April 2025
79AQI
10th April 2025
77AQI
11th April 2025
79AQI
12th April 2025
78AQI
13th April 2025
93AQI
14th April 2025
92AQI
15th April 2025
90AQI
16th April 2025
88AQI
17th April 2025
85AQI
18th April 2025
78AQI
19th April 2025
73AQI
20th April 2025
66AQI
21st April 2025
67AQI
22nd April 2025
67AQI
23rd April 2025
72AQI
24th April 2025
68AQI
25th April 2025
64AQI
26th April 2025
66AQI
27th April 2025
64AQI
28th April 2025
62AQI
29th April 2025
63AQI
30th April 2025
65AQI
1st May 2025
61AQI
2nd May 2025
69AQI
3rd May 2025
66AQI
4th May 2025
68AQI
5th May 2025
66AQI
6th May 2025
70AQI
7th May 2025
68AQI
8th May 2025
73AQI
9th May 2025
70AQI
10th May 2025
69AQI
11th May 2025
60AQI
12th May 2025
67AQI
13th May 2025
73AQI
14th May 2025
72AQI
15th May 2025
63AQI
16th May 2025
59AQI
17th May 2025
57AQI
18th May 2025
55AQI
19th May 2025
62AQI
20th May 2025
63AQI
21st May 2025
66AQI
22nd May 2025
56AQI
23rd May 2025
63AQI
24th May 2025
60AQI
25th May 2025
66AQI
26th May 2025
69AQI
27th May 2025
83AQI
28th May 2025
78AQI
29th May 2025
69AQI
30th May 2025
62AQI
31st May 2025
65AQI
1st June 2025
64AQI
2nd June 2025
63AQI
3rd June 2025
57AQI
4th June 2025
60AQI
5th June 2025
60AQI
6th June 2025
59AQI
7th June 2025
58AQI
8th June 2025
56AQI
9th June 2025
56AQI
10th June 2025
58AQI
11th June 2025
57AQI
12th June 2025
56AQI
13th June 2025
53AQI
14th June 2025
54AQI
15th June 2025
60AQI
16th June 2025
59AQI
17th June 2025
57AQI
18th June 2025
53AQI
19th June 2025
53AQI
20th June 2025
54AQI
21st June 2025
49AQI
22nd June 2025
43AQI
23rd June 2025
47AQI
24th June 2025
51AQI
25th June 2025
50AQI
26th June 2025
52AQI
27th June 2025
54AQI
28th June 2025
49AQI
29th June 2025
49AQI
30th June 2025
46AQI
1st July 2025
46AQI
2nd July 2025
42AQI
3rd July 2025
50AQI
4th July 2025
56AQI
5th July 2025
57AQI
6th July 2025
55AQI
7th July 2025
58AQI
8th July 2025
57AQI
9th July 2025
60AQI
10th July 2025
55AQI
11th July 2025
54AQI
12th July 2025
54AQI
13th July 2025
54AQI
14th July 2025
55AQI
15th July 2025
57AQI
16th July 2025
54AQI
17th July 2025
55AQI
18th July 2025
57AQI
19th July 2025
61AQI
20th July 2025
56AQI
21st July 2025
54AQI
22nd July 2025
49AQI
23rd July 2025
45AQI
24th July 2025
49AQI
25th July 2025
53AQI
26th July 2025
53AQI
27th July 2025
55AQI
28th July 2025
59AQI
29th July 2025
59AQI
30th July 2025
63AQI
31st July 2025
58AQI
1st August 2025
57AQI
2nd August 2025
55AQI
3rd August 2025
57AQI
4th August 2025
57AQI
5th August 2025
56AQI
6th August 2025
53AQI
7th August 2025
50AQI
8th August 2025
54AQI
9th August 2025
51AQI
10th August 2025
49AQI
11th August 2025
54AQI
12th August 2025
54AQI
13th August 2025
54AQI
14th August 2025
56AQI
15th August 2025
47AQI
16th August 2025
47AQI
17th August 2025
45AQI
18th August 2025
43AQI
19th August 2025
45AQI

127AQI

92AQI

90AQI

78AQI

66AQI

55AQI

55AQI

52AQI

No. of days

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

202578AQI

7
20
4
21
7
22
9
30
31
7
23
6
25
7
12
20
171
36
4

Highest AQI recorded in

January

127AQI

Lowest AQI recorded in

August

52AQI

202461AQI

5
21
5
2
22
5
1
22
8
3
19
8
22
9
28
2
30
1
31
3
6
7
1
21
8
16
12
3
132
140
46
3

Highest AQI recorded in

December

109AQI

Lowest AQI recorded in

September

2AQI

202396AQI

12
19
5
7
8
1
5
12
14
4
19
6
1
13
17
5
23
2
8
23
21
10
11
19
5
21
1
3
12
9
1
17
11
2
55
152
90
49
1

Highest AQI recorded in

January

154AQI

Lowest AQI recorded in

August

45AQI

2022128AQI

1
2
6
18
6
1
3
13
13
1
10
33
19

Highest AQI recorded in

December

136AQI

Lowest AQI recorded in

October

117AQI

Most & Least Polluted Years Over the Last 4 Years

Most Polluted Year Recorded
2022(Avg.)
128AQI
Least Polluted Year Recorded
2024(Avg.)
61AQI

Ham Yen District's annual 2025 AQI (78) shows an average percentage change of -10.2% (improved AQI) compared to previous years: 2022 (128), 2023 (96), 2024 (61).