Tan Thanh, Huu Lung District, Lang Son 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
Tan Thanh, Huu Lung District, Lang Son Province, Vietnam
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
19th Aug 2023
148AQILowest AQI recorded on
14th Aug 2024
33AQISame Day Analysis (3rd August ):
On this day, AQI across the 3 years varied significantly: 2025 ranks 2nd highest AQI at 57 of Moderate air quality, showing improvement over 2023 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 3rd Aug - 4th Aug 2025
Tan Thanh, Huu Lung District, Lang Son Province, Vietnam
AQI
Day
Night
.
5 AM3rd Aug 2025
6 PM
4 AM4th Aug 2025
Day time
Avg. Highest Time
11AM3rd Aug
69AQI
Avg. Lowest Time
5PM3rd Aug
48AQI
Night time
Avg. Highest Time
9PM3rd Aug
61AQI
Avg. Lowest Time
7PM3rd Aug
55AQI
In the last 24 hours,
Tan Thanh's AQI reached its highest point of 69 at 11 AM during the Day, while the lowest point, 48, was recorded at 5 PM during the Day between 3rd Aug and 4th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Tan Thanh, Huu Lung District, Lang Son Province, Vietnam
JulAug
05th - 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 - 04th04th
Day
Night
5th Jul 2025575 AMAQI
5th Jul 2025566 AMAQI
5th Jul 2025517 AMAQI
5th Jul 2025488 AMAQI
5th Jul 2025529 AMAQI
5th Jul 20255410 AMAQI
5th Jul 20255411 AMAQI
5th Jul 20255612 PMAQI
5th Jul 2025561 PMAQI
5th Jul 2025542 PMAQI
5th Jul 2025543 PMAQI
5th Jul 2025524 PMAQI
5th Jul 2025545 PMAQI
5th Jul 2025546 PMAQI
5th Jul 2025557 PMAQI
5th Jul 2025568 PMAQI
5th Jul 2025589 PMAQI
5th Jul 20255810 PMAQI
5th Jul 20255611 PMAQI
6th Jul 20255412 AMAQI
6th Jul 2025551 AMAQI
6th Jul 2025552 AMAQI
6th Jul 2025563 AMAQI
6th Jul 2025574 AMAQI
30°C25/35°C
6th Jul 2025575 AMAQI
6th Jul 2025566 AMAQI
6th Jul 2025547 AMAQI
6th Jul 2025548 AMAQI
6th Jul 2025569 AMAQI
6th Jul 20255410 AMAQI
6th Jul 20255411 AMAQI
6th Jul 20255212 PMAQI
6th Jul 2025531 PMAQI
6th Jul 2025502 PMAQI
6th Jul 2025543 PMAQI
6th Jul 2025514 PMAQI
6th Jul 2025485 PMAQI
6th Jul 2025526 PMAQI
6th Jul 2025567 PMAQI
6th Jul 2025568 PMAQI
6th Jul 2025569 PMAQI
6th Jul 20255610 PMAQI
6th Jul 20255611 PMAQI
7th Jul 20255512 AMAQI
7th Jul 2025561 AMAQI
7th Jul 2025552 AMAQI
7th Jul 2025553 AMAQI
7th Jul 2025544 AMAQI
30°C26/35°C
7th Jul 2025555 AMAQI
7th Jul 2025556 AMAQI
7th Jul 2025507 AMAQI
7th Jul 2025488 AMAQI
7th Jul 2025519 AMAQI
7th Jul 20255610 AMAQI
7th Jul 20255611 AMAQI
7th Jul 20255312 PMAQI
7th Jul 2025501 PMAQI
7th Jul 2025522 PMAQI
7th Jul 2025503 PMAQI
7th Jul 2025484 PMAQI
7th Jul 2025515 PMAQI
7th Jul 2025536 PMAQI
7th Jul 2025547 PMAQI
7th Jul 2025568 PMAQI
7th Jul 2025569 PMAQI
7th Jul 20255610 PMAQI
7th Jul 20255811 PMAQI
8th Jul 20255612 AMAQI
8th Jul 2025551 AMAQI
8th Jul 2025552 AMAQI
8th Jul 2025543 AMAQI
8th Jul 2025554 AMAQI
30°C26/34°C
8th Jul 2025555 AMAQI
8th Jul 2025556 AMAQI
8th Jul 2025427 AMAQI
8th Jul 2025428 AMAQI
8th Jul 2025449 AMAQI
8th Jul 20254510 AMAQI
8th Jul 20255311 AMAQI
8th Jul 20254512 PMAQI
8th Jul 2025461 PMAQI
8th Jul 2025522 PMAQI
8th Jul 2025453 PMAQI
8th Jul 2025444 PMAQI
8th Jul 2025495 PMAQI
8th Jul 2025516 PMAQI
8th Jul 2025567 PMAQI
8th Jul 2025568 PMAQI
8th Jul 2025569 PMAQI
8th Jul 20255610 PMAQI
8th Jul 20255611 PMAQI
9th Jul 20255512 AMAQI
9th Jul 2025551 AMAQI
9th Jul 2025542 AMAQI
9th Jul 2025543 AMAQI
9th Jul 2025544 AMAQI
31°C27/35°C
9th Jul 2025545 AMAQI
9th Jul 2025546 AMAQI
9th Jul 2025547 AMAQI
9th Jul 2025548 AMAQI
9th Jul 2025509 AMAQI
9th Jul 20254410 AMAQI
9th Jul 20255411 AMAQI
9th Jul 20255512 PMAQI
9th Jul 2025611 PMAQI
9th Jul 2025522 PMAQI
9th Jul 2025533 PMAQI
9th Jul 2025504 PMAQI
9th Jul 2025515 PMAQI
9th Jul 2025536 PMAQI
9th Jul 2025567 PMAQI
9th Jul 2025568 PMAQI
9th Jul 2025569 PMAQI
9th Jul 20255510 PMAQI
9th Jul 20255511 PMAQI
10th Jul 20255512 AMAQI
10th Jul 2025551 AMAQI
10th Jul 2025552 AMAQI
10th Jul 2025553 AMAQI
10th Jul 2025554 AMAQI
31°C28/36°C
10th Jul 2025555 AMAQI
10th Jul 2025556 AMAQI
10th Jul 2025327 AMAQI
10th Jul 2025308 AMAQI
10th Jul 2025299 AMAQI
10th Jul 20253410 AMAQI
10th Jul 20254911 AMAQI
10th Jul 20255112 PMAQI
10th Jul 2025511 PMAQI
10th Jul 2025522 PMAQI
10th Jul 2025493 PMAQI
10th Jul 2025524 PMAQI
10th Jul 2025505 PMAQI
10th Jul 2025476 PMAQI
10th Jul 2025557 PMAQI
10th Jul 2025548 PMAQI
10th Jul 2025559 PMAQI
10th Jul 20255610 PMAQI
10th Jul 20255511 PMAQI
11th Jul 20255512 AMAQI
11th Jul 2025551 AMAQI
11th Jul 2025552 AMAQI
11th Jul 2025543 AMAQI
11th Jul 2025544 AMAQI
30°C26/35°C
11th Jul 2025545 AMAQI
11th Jul 2025546 AMAQI
11th Jul 2025437 AMAQI
11th Jul 2025388 AMAQI
11th Jul 2025379 AMAQI
11th Jul 20254110 AMAQI
11th Jul 20255111 AMAQI
11th Jul 20255212 PMAQI
11th Jul 2025521 PMAQI
11th Jul 2025482 PMAQI
11th Jul 2025463 PMAQI
11th Jul 2025434 PMAQI
11th Jul 2025415 PMAQI
11th Jul 2025446 PMAQI
11th Jul 2025547 PMAQI
11th Jul 2025548 PMAQI
11th Jul 2025549 PMAQI
11th Jul 20255310 PMAQI
11th Jul 20255411 PMAQI
12th Jul 20255512 AMAQI
12th Jul 2025551 AMAQI
12th Jul 2025542 AMAQI
12th Jul 2025543 AMAQI
12th Jul 2025544 AMAQI
29°C26/33°C
12th Jul 2025545 AMAQI
12th Jul 2025546 AMAQI
12th Jul 2025447 AMAQI
12th Jul 2025428 AMAQI
12th Jul 2025429 AMAQI
12th Jul 20254410 AMAQI
12th Jul 20255211 AMAQI
12th Jul 20254712 PMAQI
12th Jul 2025451 PMAQI
12th Jul 2025422 PMAQI
12th Jul 2025443 PMAQI
12th Jul 2025444 PMAQI
12th Jul 2025475 PMAQI
12th Jul 2025486 PMAQI
12th Jul 2025547 PMAQI
12th Jul 2025548 PMAQI
12th Jul 2025549 PMAQI
12th Jul 20255410 PMAQI
12th Jul 20255411 PMAQI
13th Jul 20255412 AMAQI
13th Jul 2025551 AMAQI
13th Jul 2025542 AMAQI
13th Jul 2025543 AMAQI
13th Jul 2025544 AMAQI
29°C26/34°C
13th Jul 2025535 AMAQI
13th Jul 2025546 AMAQI
13th Jul 2025527 AMAQI
13th Jul 2025458 AMAQI
13th Jul 2025479 AMAQI
13th Jul 20254810 AMAQI
13th Jul 20255511 AMAQI
13th Jul 20255112 PMAQI
13th Jul 2025481 PMAQI
13th Jul 2025502 PMAQI
13th Jul 2025463 PMAQI
13th Jul 2025474 PMAQI
13th Jul 2025475 PMAQI
13th Jul 2025496 PMAQI
13th Jul 2025547 PMAQI
13th Jul 2025548 PMAQI
13th Jul 2025559 PMAQI
13th Jul 20255410 PMAQI
13th Jul 20255411 PMAQI
14th Jul 20255412 AMAQI
14th Jul 2025551 AMAQI
14th Jul 2025542 AMAQI
14th Jul 2025543 AMAQI
14th Jul 2025544 AMAQI
29°C26/33°C
14th Jul 2025545 AMAQI
14th Jul 2025546 AMAQI
14th Jul 2025477 AMAQI
14th Jul 2025568 AMAQI
14th Jul 2025539 AMAQI
14th Jul 20255310 AMAQI
14th Jul 20255611 AMAQI
14th Jul 20255112 PMAQI
14th Jul 2025511 PMAQI
14th Jul 2025522 PMAQI
14th Jul 2025493 PMAQI
14th Jul 2025494 PMAQI
14th Jul 2025525 PMAQI
14th Jul 2025516 PMAQI
14th Jul 2025547 PMAQI
14th Jul 2025548 PMAQI
14th Jul 2025549 PMAQI
14th Jul 20255510 PMAQI
14th Jul 20255411 PMAQI
15th Jul 20255412 AMAQI
15th Jul 2025541 AMAQI
15th Jul 2025552 AMAQI
15th Jul 2025553 AMAQI
15th Jul 2025554 AMAQI
30°C27/35°C
15th Jul 2025555 AMAQI
15th Jul 2025556 AMAQI
15th Jul 2025497 AMAQI
15th Jul 2025528 AMAQI
15th Jul 2025529 AMAQI
15th Jul 20255110 AMAQI
15th Jul 20255011 AMAQI
15th Jul 20254412 PMAQI
15th Jul 2025481 PMAQI
15th Jul 2025442 PMAQI
15th Jul 2025443 PMAQI
15th Jul 2025434 PMAQI
15th Jul 2025445 PMAQI
15th Jul 2025466 PMAQI
15th Jul 2025547 PMAQI
15th Jul 2025548 PMAQI
15th Jul 2025549 PMAQI
15th Jul 20255610 PMAQI
15th Jul 20255511 PMAQI
16th Jul 20255512 AMAQI
16th Jul 2025541 AMAQI
16th Jul 2025542 AMAQI
16th Jul 2025543 AMAQI
16th Jul 2025544 AMAQI
30°C27/33°C
16th Jul 2025545 AMAQI
16th Jul 2025546 AMAQI
16th Jul 2025407 AMAQI
16th Jul 2025398 AMAQI
16th Jul 2025289 AMAQI
16th Jul 20253110 AMAQI
16th Jul 20254311 AMAQI
16th Jul 20254312 PMAQI
16th Jul 2025451 PMAQI
16th Jul 2025442 PMAQI
16th Jul 2025443 PMAQI
16th Jul 2025424 PMAQI
16th Jul 2025465 PMAQI
16th Jul 2025466 PMAQI
16th Jul 2025547 PMAQI
16th Jul 2025548 PMAQI
16th Jul 2025549 PMAQI
16th Jul 20255410 PMAQI
16th Jul 20255411 PMAQI
17th Jul 20255412 AMAQI
17th Jul 2025541 AMAQI
17th Jul 2025542 AMAQI
17th Jul 2025543 AMAQI
17th Jul 2025544 AMAQI
30°C27/34°C
17th Jul 2025545 AMAQI
17th Jul 2025546 AMAQI
17th Jul 2025367 AMAQI
17th Jul 2025378 AMAQI
17th Jul 2025349 AMAQI
17th Jul 20253010 AMAQI
17th Jul 20254411 AMAQI
17th Jul 20254212 PMAQI
17th Jul 2025421 PMAQI
17th Jul 2025412 PMAQI
17th Jul 2025423 PMAQI
17th Jul 2025424 PMAQI
17th Jul 2025455 PMAQI
17th Jul 2025426 PMAQI
17th Jul 2025547 PMAQI
17th Jul 2025568 PMAQI
17th Jul 2025569 PMAQI
17th Jul 20255410 PMAQI
17th Jul 20255411 PMAQI
18th Jul 20255312 AMAQI
18th Jul 2025531 AMAQI
18th Jul 2025532 AMAQI
18th Jul 2025533 AMAQI
18th Jul 2025534 AMAQI
31°C26/36°C
18th Jul 2025535 AMAQI
18th Jul 2025526 AMAQI
18th Jul 2025467 AMAQI
18th Jul 2025558 AMAQI
18th Jul 2025559 AMAQI
18th Jul 20254610 AMAQI
18th Jul 20255211 AMAQI
18th Jul 20255112 PMAQI
18th Jul 2025511 PMAQI
18th Jul 2025502 PMAQI
18th Jul 2025523 PMAQI
18th Jul 2025544 PMAQI
18th Jul 2025545 PMAQI
18th Jul 2025556 PMAQI
18th Jul 2025557 PMAQI
18th Jul 2025568 PMAQI
18th Jul 2025579 PMAQI
18th Jul 20255710 PMAQI
18th Jul 20256011 PMAQI
19th Jul 20255612 AMAQI
19th Jul 2025541 AMAQI
19th Jul 2025532 AMAQI
19th Jul 2025543 AMAQI
19th Jul 2025544 AMAQI
32°C27/36°C
19th Jul 2025545 AMAQI
19th Jul 2025546 AMAQI
19th Jul 2025607 AMAQI
19th Jul 2025678 AMAQI
19th Jul 2025679 AMAQI
19th Jul 20256810 AMAQI
19th Jul 20257211 AMAQI
19th Jul 20257912 PMAQI
19th Jul 2025701 PMAQI
19th Jul 2025612 PMAQI
19th Jul 2025573 PMAQI
19th Jul 2025574 PMAQI
19th Jul 2025565 PMAQI
19th Jul 2025576 PMAQI
19th Jul 2025587 PMAQI
19th Jul 2025588 PMAQI
19th Jul 2025569 PMAQI
19th Jul 20255510 PMAQI
19th Jul 20255711 PMAQI
20th Jul 20255812 AMAQI
20th Jul 2025561 AMAQI
20th Jul 2025562 AMAQI
20th Jul 2025573 AMAQI
20th Jul 2025574 AMAQI
30°C25/37°C
20th Jul 2025585 AMAQI
20th Jul 2025586 AMAQI
20th Jul 2025527 AMAQI
20th Jul 2025558 AMAQI
20th Jul 2025529 AMAQI
20th Jul 20255610 AMAQI
20th Jul 20255411 AMAQI
20th Jul 20255312 PMAQI
20th Jul 2025531 PMAQI
20th Jul 2025542 PMAQI
20th Jul 2025523 PMAQI
20th Jul 2025504 PMAQI
20th Jul 2025515 PMAQI
20th Jul 2025546 PMAQI
20th Jul 2025547 PMAQI
20th Jul 2025548 PMAQI
20th Jul 2025549 PMAQI
20th Jul 20255510 PMAQI
20th Jul 20255411 PMAQI
21st Jul 20255612 AMAQI
21st Jul 2025561 AMAQI
21st Jul 2025562 AMAQI
21st Jul 2025563 AMAQI
21st Jul 2025564 AMAQI
27°C24/30°C
21st Jul 2025565 AMAQI
21st Jul 2025566 AMAQI
21st Jul 2025397 AMAQI
21st Jul 2025358 AMAQI
21st Jul 2025349 AMAQI
21st Jul 20254610 AMAQI
21st Jul 20254511 AMAQI
21st Jul 20254412 PMAQI
21st Jul 2025441 PMAQI
21st Jul 2025432 PMAQI
21st Jul 2025423 PMAQI
21st Jul 2025454 PMAQI
21st Jul 2025415 PMAQI
21st Jul 2025446 PMAQI
21st Jul 2025537 PMAQI
21st Jul 2025538 PMAQI
21st Jul 2025529 PMAQI
21st Jul 20255210 PMAQI
21st Jul 20255311 PMAQI
22nd Jul 20255512 AMAQI
22nd Jul 2025551 AMAQI
22nd Jul 2025562 AMAQI
22nd Jul 2025543 AMAQI
22nd Jul 2025544 AMAQI
26°C25/27°C
22nd Jul 2025545 AMAQI
22nd Jul 2025546 AMAQI
22nd Jul 2025267 AMAQI
22nd Jul 2025198 AMAQI
22nd Jul 2025289 AMAQI
22nd Jul 20252510 AMAQI
22nd Jul 20253911 AMAQI
22nd Jul 20253812 PMAQI
22nd Jul 2025371 PMAQI
22nd Jul 2025362 PMAQI
22nd Jul 2025353 PMAQI
22nd Jul 2025354 PMAQI
22nd Jul 2025335 PMAQI
22nd Jul 2025406 PMAQI
22nd Jul 2025517 PMAQI
22nd Jul 2025528 PMAQI
22nd Jul 2025529 PMAQI
22nd Jul 20255210 PMAQI
22nd Jul 20255211 PMAQI
23rd Jul 20255212 AMAQI
23rd Jul 2025531 AMAQI
23rd Jul 2025522 AMAQI
23rd Jul 2025523 AMAQI
23rd Jul 2025524 AMAQI
27°C26/28°C
23rd Jul 2025525 AMAQI
23rd Jul 2025526 AMAQI
23rd Jul 2025377 AMAQI
23rd Jul 2025178 AMAQI
23rd Jul 2025179 AMAQI
23rd Jul 20252410 AMAQI
23rd Jul 20253911 AMAQI
23rd Jul 20253812 PMAQI
23rd Jul 2025341 PMAQI
23rd Jul 2025312 PMAQI
23rd Jul 2025303 PMAQI
23rd Jul 2025314 PMAQI
23rd Jul 2025325 PMAQI
23rd Jul 2025346 PMAQI
23rd Jul 2025507 PMAQI
23rd Jul 2025488 PMAQI
23rd Jul 2025489 PMAQI
23rd Jul 20254810 PMAQI
23rd Jul 20254811 PMAQI
24th Jul 20254812 AMAQI
24th Jul 2025511 AMAQI
24th Jul 2025512 AMAQI
24th Jul 2025503 AMAQI
24th Jul 2025514 AMAQI
28°C25/32°C
24th Jul 2025505 AMAQI
24th Jul 2025516 AMAQI
24th Jul 2025427 AMAQI
24th Jul 2025328 AMAQI
24th Jul 2025429 AMAQI
24th Jul 20254210 AMAQI
24th Jul 20253811 AMAQI
24th Jul 20253612 PMAQI
24th Jul 2025351 PMAQI
24th Jul 2025362 PMAQI
24th Jul 2025343 PMAQI
24th Jul 2025354 PMAQI
24th Jul 2025355 PMAQI
24th Jul 2025386 PMAQI
24th Jul 2025497 PMAQI
24th Jul 2025518 PMAQI
24th Jul 2025529 PMAQI
24th Jul 20255210 PMAQI
24th Jul 20255111 PMAQI
25th Jul 20254812 AMAQI
25th Jul 2025501 AMAQI
25th Jul 2025492 AMAQI
25th Jul 2025513 AMAQI
25th Jul 2025504 AMAQI
28°C25/32°C
25th Jul 2025515 AMAQI
25th Jul 2025506 AMAQI
25th Jul 2025547 AMAQI
25th Jul 2025528 AMAQI
25th Jul 2025609 AMAQI
25th Jul 20255610 AMAQI
25th Jul 20255111 AMAQI
25th Jul 20254212 PMAQI
25th Jul 2025421 PMAQI
25th Jul 2025402 PMAQI
25th Jul 2025373 PMAQI
25th Jul 2025374 PMAQI
25th Jul 2025445 PMAQI
25th Jul 2025416 PMAQI
25th Jul 2025487 PMAQI
25th Jul 2025478 PMAQI
25th Jul 2025499 PMAQI
25th Jul 20255010 PMAQI
25th Jul 20254811 PMAQI
26th Jul 20254812 AMAQI
26th Jul 2025501 AMAQI
26th Jul 2025512 AMAQI
26th Jul 2025513 AMAQI
26th Jul 2025504 AMAQI
28°C25/34°C
26th Jul 2025515 AMAQI
26th Jul 2025506 AMAQI
26th Jul 2025437 AMAQI
26th Jul 2025488 AMAQI
26th Jul 2025569 AMAQI
26th Jul 20255210 AMAQI
26th Jul 20255311 AMAQI
26th Jul 20255412 PMAQI
26th Jul 2025521 PMAQI
26th Jul 2025502 PMAQI
26th Jul 2025463 PMAQI
26th Jul 2025424 PMAQI
26th Jul 2025395 PMAQI
26th Jul 2025416 PMAQI
26th Jul 2025517 PMAQI
26th Jul 2025528 PMAQI
26th Jul 2025529 PMAQI
26th Jul 20255110 PMAQI
26th Jul 20255211 PMAQI
27th Jul 20255212 AMAQI
27th Jul 2025511 AMAQI
27th Jul 2025512 AMAQI
27th Jul 2025523 AMAQI
27th Jul 2025524 AMAQI
29°C25/35°C
27th Jul 2025525 AMAQI
27th Jul 2025526 AMAQI
27th Jul 2025517 AMAQI
27th Jul 2025548 AMAQI
27th Jul 2025579 AMAQI
27th Jul 20254910 AMAQI
27th Jul 20254811 AMAQI
27th Jul 20254412 PMAQI
27th Jul 2025431 PMAQI
27th Jul 2025382 PMAQI
27th Jul 2025493 PMAQI
27th Jul 2025524 PMAQI
27th Jul 2025525 PMAQI
27th Jul 2025566 PMAQI
27th Jul 2025537 PMAQI
27th Jul 2025528 PMAQI
27th Jul 2025529 PMAQI
27th Jul 20255210 PMAQI
27th Jul 20255311 PMAQI
28th Jul 20255212 AMAQI
28th Jul 2025521 AMAQI
28th Jul 2025522 AMAQI
28th Jul 2025523 AMAQI
28th Jul 2025524 AMAQI
30°C26/36°C
28th Jul 2025525 AMAQI
28th Jul 2025526 AMAQI
28th Jul 2025537 AMAQI
28th Jul 2025528 AMAQI
28th Jul 2025509 AMAQI
28th Jul 20255010 AMAQI
28th Jul 20255111 AMAQI
28th Jul 20255412 PMAQI
28th Jul 2025501 PMAQI
28th Jul 2025442 PMAQI
28th Jul 2025483 PMAQI
28th Jul 2025484 PMAQI
28th Jul 2025475 PMAQI
28th Jul 2025516 PMAQI
28th Jul 2025537 PMAQI
28th Jul 2025548 PMAQI
28th Jul 2025569 PMAQI
28th Jul 20255510 PMAQI
28th Jul 20255611 PMAQI
29th Jul 20255312 AMAQI
29th Jul 2025521 AMAQI
29th Jul 2025532 AMAQI
29th Jul 2025523 AMAQI
29th Jul 2025524 AMAQI
31°C27/35°C
29th Jul 2025525 AMAQI
29th Jul 2025536 AMAQI
29th Jul 2025527 AMAQI
29th Jul 2025648 AMAQI
29th Jul 2025609 AMAQI
29th Jul 20255910 AMAQI
29th Jul 20256011 AMAQI
29th Jul 20256112 PMAQI
29th Jul 2025601 PMAQI
29th Jul 2025602 PMAQI
29th Jul 2025603 PMAQI
29th Jul 2025614 PMAQI
29th Jul 2025585 PMAQI
29th Jul 2025566 PMAQI
29th Jul 2025597 PMAQI
29th Jul 2025588 PMAQI
29th Jul 2025589 PMAQI
29th Jul 20255810 PMAQI
29th Jul 20255711 PMAQI
30th Jul 20255312 AMAQI
30th Jul 2025531 AMAQI
30th Jul 2025532 AMAQI
30th Jul 2025553 AMAQI
30th Jul 2025554 AMAQI
31°C27/36°C
30th Jul 2025555 AMAQI
30th Jul 2025556 AMAQI
30th Jul 2025547 AMAQI
30th Jul 2025528 AMAQI
30th Jul 2025549 AMAQI
30th Jul 20255910 AMAQI
30th Jul 20255811 AMAQI
30th Jul 20255612 PMAQI
30th Jul 2025581 PMAQI
30th Jul 2025562 PMAQI
30th Jul 2025563 PMAQI
30th Jul 2025554 PMAQI
30th Jul 2025555 PMAQI
30th Jul 2025586 PMAQI
30th Jul 2025587 PMAQI
30th Jul 2025588 PMAQI
30th Jul 2025599 PMAQI
30th Jul 20255710 PMAQI
30th Jul 20255511 PMAQI
31st Jul 20255512 AMAQI
31st Jul 2025551 AMAQI
31st Jul 2025552 AMAQI
31st Jul 2025553 AMAQI
31st Jul 2025554 AMAQI
31°C28/36°C
31st Jul 2025555 AMAQI
31st Jul 2025556 AMAQI
31st Jul 2025557 AMAQI
31st Jul 2025558 AMAQI
31st Jul 2025549 AMAQI
31st Jul 20255410 AMAQI
31st Jul 20255311 AMAQI
31st Jul 20255212 PMAQI
31st Jul 2025511 PMAQI
31st Jul 2025522 PMAQI
31st Jul 2025523 PMAQI
31st Jul 2025514 PMAQI
31st Jul 2025525 PMAQI
31st Jul 2025576 PMAQI
31st Jul 2025597 PMAQI
31st Jul 2025578 PMAQI
31st Jul 2025609 PMAQI
31st Jul 20255810 PMAQI
31st Jul 20256011 PMAQI
1st Aug 20255912 AMAQI
1st Aug 2025601 AMAQI
1st Aug 2025562 AMAQI
1st Aug 2025563 AMAQI
1st Aug 2025544 AMAQI
31°C29/36°C
1st Aug 2025565 AMAQI
1st Aug 2025566 AMAQI
1st Aug 2025547 AMAQI
1st Aug 2025608 AMAQI
1st Aug 2025589 AMAQI
1st Aug 20255610 AMAQI
1st Aug 20255411 AMAQI
1st Aug 20254712 PMAQI
1st Aug 2025351 PMAQI
1st Aug 2025442 PMAQI
1st Aug 2025513 PMAQI
1st Aug 2025414 PMAQI
1st Aug 2025515 PMAQI
1st Aug 2025476 PMAQI
1st Aug 2025527 PMAQI
1st Aug 2025528 PMAQI
1st Aug 2025549 PMAQI
1st Aug 20255510 PMAQI
1st Aug 20255411 PMAQI
2nd Aug 20255612 AMAQI
2nd Aug 2025561 AMAQI
2nd Aug 2025572 AMAQI
2nd Aug 2025563 AMAQI
2nd Aug 2025564 AMAQI
28°C26/32°C
2nd Aug 2025565 AMAQI
2nd Aug 2025566 AMAQI
2nd Aug 2025427 AMAQI
2nd Aug 2025478 AMAQI
2nd Aug 2025449 AMAQI
2nd Aug 20255210 AMAQI
2nd Aug 20254711 AMAQI
2nd Aug 20255212 PMAQI
2nd Aug 2025441 PMAQI
2nd Aug 2025452 PMAQI
2nd Aug 2025483 PMAQI
2nd Aug 2025484 PMAQI
2nd Aug 2025545 PMAQI
2nd Aug 2025606 PMAQI
2nd Aug 2025547 PMAQI
2nd Aug 2025558 PMAQI
2nd Aug 2025579 PMAQI
2nd Aug 20255510 PMAQI
2nd Aug 20255411 PMAQI
3rd Aug 20255812 AMAQI
3rd Aug 2025571 AMAQI
3rd Aug 2025572 AMAQI
3rd Aug 2025563 AMAQI
3rd Aug 2025574 AMAQI
30°C26/36°C
3rd Aug 2025565 AMAQI
3rd Aug 2025566 AMAQI
3rd Aug 2025557 AMAQI
3rd Aug 2025548 AMAQI
3rd Aug 2025619 AMAQI
3rd Aug 20256210 AMAQI
3rd Aug 20256911 AMAQI
3rd Aug 20256612 PMAQI
3rd Aug 2025581 PMAQI
3rd Aug 2025552 PMAQI
3rd Aug 2025503 PMAQI
3rd Aug 2025524 PMAQI
3rd Aug 2025485 PMAQI
3rd Aug 2025536 PMAQI
3rd Aug 2025557 PMAQI
3rd Aug 2025598 PMAQI
3rd Aug 2025619 PMAQI
3rd Aug 20255710 PMAQI
3rd Aug 20255611 PMAQI
4th Aug 20255612 AMAQI
4th Aug 2025561 AMAQI
4th Aug 2025572 AMAQI
4th Aug 2025563 AMAQI
4th Aug 2025564 AMAQI
32°C28/37°C
4th Aug 2025565 AMAQI
5 AM4th Aug 2025576 AMAQI
4th Aug 2025547 AMAQI
4th Aug 2025538 AMAQI
4th Aug 2025559 AMAQI
4th Aug 20255610 AMAQI
4th Aug 20255911 AMAQI
11 AM4th Aug 20256012 PMAQI
4th Aug 2025641 PMAQI
4th Aug 2025582 PMAQI
4th Aug 2025593 PMAQI
4th Aug 2025554 PMAQI
4th Aug 2025555 PMAQI
4th Aug 2025596 PMAQI
6 PM4th Aug 2025567 PMAQI
4th Aug 2025578 PMAQI
4th Aug 2025579 PMAQI
4th Aug 20255610 PMAQI
4th Aug 20255411 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 - 10 AM
48AQI
4 hours / Day
120 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 10 AM (Avg. 48).
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
Tan Thanh, Huu Lung District, Lang Son Province, Vietnam
2025
14%
31
73%
156
11%
24
2%
4
Total number of days with different AQI categories in last 216 days in 2025 (149 days remaining)
Good
31 DaysModerate
156 DaysPoor
24 DaysUnhealthy
4 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 14%
Health Risk Level:
Extreme
In 2025, 14% of 216 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
Tan Thanh, Huu Lung District, Lang Son 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
151AQI
151AQI
2nd January 2025
145AQI
145AQI
3rd January 2025
136AQI
136AQI
4th January 2025
145AQI
145AQI
5th January 2025
145AQI
145AQI
6th January 2025
155AQI
155AQI
7th January 2025
146AQI
146AQI
8th January 2025
152AQI
152AQI
9th January 2025
137AQI
137AQI
10th January 2025
91AQI
91AQI
11th January 2025
97AQI
97AQI
12th January 2025
98AQI
98AQI
13th January 2025
105AQI
105AQI
14th January 2025
127AQI
127AQI
15th January 2025
120AQI
120AQI
16th January 2025
129AQI
129AQI
17th January 2025
137AQI
137AQI
18th January 2025
145AQI
145AQI
19th January 2025
150AQI
150AQI
20th January 2025
163AQI
163AQI
21st January 2025
139AQI
139AQI
22nd January 2025
137AQI
137AQI
23rd January 2025
121AQI
121AQI
24th January 2025
105AQI
105AQI
25th January 2025
86AQI
86AQI
26th January 2025
57AQI
57AQI
27th January 2025
74AQI
74AQI
28th January 2025
81AQI
81AQI
29th January 2025
110AQI
110AQI
30th January 2025
89AQI
89AQI
31st January 2025
82AQI
82AQI
1st February 2025
79AQI
79AQI
2nd February 2025
76AQI
76AQI
3rd February 2025
54AQI
54AQI
4th February 2025
67AQI
67AQI
5th February 2025
94AQI
94AQI
6th February 2025
73AQI
73AQI
7th February 2025
53AQI
53AQI
8th February 2025
66AQI
66AQI
9th February 2025
83AQI
83AQI
10th February 2025
118AQI
118AQI
11th February 2025
122AQI
122AQI
12th February 2025
120AQI
120AQI
13th February 2025
99AQI
99AQI
14th February 2025
114AQI
114AQI
15th February 2025
102AQI
102AQI
16th February 2025
80AQI
80AQI
17th February 2025
89AQI
89AQI
18th February 2025
64AQI
64AQI
19th February 2025
80AQI
80AQI
20th February 2025
75AQI
75AQI
21st February 2025
84AQI
84AQI
22nd February 2025
91AQI
91AQI
23rd February 2025
54AQI
54AQI
24th February 2025
69AQI
69AQI
25th February 2025
91AQI
91AQI
26th February 2025
68AQI
68AQI
27th February 2025
90AQI
90AQI
28th February 2025
71AQI
71AQI
1st March 2025
79AQI
79AQI
2nd March 2025
70AQI
70AQI
3rd March 2025
74AQI
74AQI
4th March 2025
73AQI
73AQI
5th March 2025
74AQI
74AQI
6th March 2025
54AQI
54AQI
7th March 2025
65AQI
65AQI
8th March 2025
75AQI
75AQI
9th March 2025
87AQI
87AQI
10th March 2025
101AQI
101AQI
11th March 2025
82AQI
82AQI
12th March 2025
70AQI
70AQI
13th March 2025
59AQI
59AQI
14th March 2025
57AQI
57AQI
15th March 2025
52AQI
52AQI
16th March 2025
45AQI
45AQI
17th March 2025
61AQI
61AQI
18th March 2025
57AQI
57AQI
19th March 2025
61AQI
61AQI
20th March 2025
72AQI
72AQI
21st March 2025
83AQI
83AQI
22nd March 2025
86AQI
86AQI
23rd March 2025
73AQI
73AQI
24th March 2025
85AQI
85AQI
25th March 2025
94AQI
94AQI
26th March 2025
83AQI
83AQI
27th March 2025
81AQI
81AQI
28th March 2025
94AQI
94AQI
29th March 2025
60AQI
60AQI
30th March 2025
51AQI
51AQI
31st March 2025
50AQI
50AQI
1st April 2025
66AQI
66AQI
2nd April 2025
77AQI
77AQI
3rd April 2025
78AQI
78AQI
4th April 2025
73AQI
73AQI
5th April 2025
71AQI
71AQI
6th April 2025
79AQI
79AQI
7th April 2025
78AQI
78AQI
8th April 2025
77AQI
77AQI
9th April 2025
70AQI
70AQI
10th April 2025
70AQI
70AQI
11th April 2025
65AQI
65AQI
12th April 2025
66AQI
66AQI
13th April 2025
95AQI
95AQI
14th April 2025
84AQI
84AQI
15th April 2025
86AQI
86AQI
16th April 2025
77AQI
77AQI
17th April 2025
75AQI
75AQI
18th April 2025
71AQI
71AQI
19th April 2025
63AQI
63AQI
20th April 2025
60AQI
60AQI
21st April 2025
59AQI
59AQI
22nd April 2025
60AQI
60AQI
23rd April 2025
59AQI
59AQI
24th April 2025
58AQI
58AQI
25th April 2025
49AQI
49AQI
26th April 2025
57AQI
57AQI
27th April 2025
55AQI
55AQI
28th April 2025
52AQI
52AQI
29th April 2025
57AQI
57AQI
30th April 2025
57AQI
57AQI
1st May 2025
49AQI
49AQI
2nd May 2025
63AQI
63AQI
3rd May 2025
57AQI
57AQI
4th May 2025
63AQI
63AQI
5th May 2025
57AQI
57AQI
6th May 2025
60AQI
60AQI
7th May 2025
58AQI
58AQI
8th May 2025
59AQI
59AQI
9th May 2025
58AQI
58AQI
10th May 2025
59AQI
59AQI
11th May 2025
58AQI
58AQI
12th May 2025
62AQI
62AQI
13th May 2025
62AQI
62AQI
14th May 2025
59AQI
59AQI
15th May 2025
53AQI
53AQI
16th May 2025
54AQI
54AQI
17th May 2025
52AQI
52AQI
18th May 2025
54AQI
54AQI
19th May 2025
54AQI
54AQI
20th May 2025
55AQI
55AQI
21st May 2025
55AQI
55AQI
22nd May 2025
51AQI
51AQI
23rd May 2025
50AQI
50AQI
24th May 2025
53AQI
53AQI
25th May 2025
58AQI
58AQI
26th May 2025
63AQI
63AQI
27th May 2025
65AQI
65AQI
28th May 2025
62AQI
62AQI
29th May 2025
55AQI
55AQI
30th May 2025
56AQI
56AQI
31st May 2025
54AQI
54AQI
1st June 2025
56AQI
56AQI
2nd June 2025
56AQI
56AQI
3rd June 2025
54AQI
54AQI
4th June 2025
56AQI
56AQI
5th June 2025
55AQI
55AQI
6th June 2025
49AQI
49AQI
7th June 2025
52AQI
52AQI
8th June 2025
48AQI
48AQI
9th June 2025
53AQI
53AQI
10th June 2025
63AQI
63AQI
11th June 2025
56AQI
56AQI
12th June 2025
54AQI
54AQI
13th June 2025
52AQI
52AQI
14th June 2025
55AQI
55AQI
15th June 2025
58AQI
58AQI
16th June 2025
59AQI
59AQI
17th June 2025
57AQI
57AQI
18th June 2025
50AQI
50AQI
19th June 2025
48AQI
48AQI
20th June 2025
48AQI
48AQI
21st June 2025
44AQI
44AQI
22nd June 2025
39AQI
39AQI
23rd June 2025
39AQI
39AQI
24th June 2025
41AQI
41AQI
25th June 2025
43AQI
43AQI
26th June 2025
46AQI
46AQI
27th June 2025
49AQI
49AQI
28th June 2025
45AQI
45AQI
29th June 2025
43AQI
43AQI
30th June 2025
43AQI
43AQI
1st July 2025
41AQI
41AQI
2nd July 2025
37AQI
37AQI
3rd July 2025
40AQI
40AQI
4th July 2025
55AQI
55AQI
5th July 2025
55AQI
55AQI
6th July 2025
54AQI
54AQI
7th July 2025
54AQI
54AQI
8th July 2025
52AQI
52AQI
9th July 2025
54AQI
54AQI
10th July 2025
51AQI
51AQI
11th July 2025
51AQI
51AQI
12th July 2025
51AQI
51AQI
13th July 2025
52AQI
52AQI
14th July 2025
53AQI
53AQI
15th July 2025
52AQI
52AQI
16th July 2025
50AQI
50AQI
17th July 2025
49AQI
49AQI
18th July 2025
54AQI
54AQI
19th July 2025
59AQI
59AQI
20th July 2025
55AQI
55AQI
21st July 2025
50AQI
50AQI
22nd July 2025
46AQI
46AQI
23rd July 2025
44AQI
44AQI
24th July 2025
46AQI
46AQI
25th July 2025
48AQI
48AQI
26th July 2025
49AQI
49AQI
27th July 2025
51AQI
51AQI
28th July 2025
52AQI
52AQI
29th July 2025
56AQI
56AQI
30th July 2025
55AQI
55AQI
31st July 2025
55AQI
55AQI
1st August 2025
54AQI
54AQI
2nd August 2025
53AQI
53AQI
3rd August 2025
57AQI
57AQI
121AQI
83AQI
71AQI
68AQI
57AQI
50AQI
51AQI
55AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202571AQI
9
18
4
23
5
2
28
1
1
29
2
29
15
15
11
20
3
31
156
24
4
Highest AQI recorded in
January121AQI
Lowest AQI recorded in
June50AQI
202462AQI
5
2
2
5
1
11
1
20
10
31
30
1
3
13
2
28
16
13
2
102
72
15
7
Highest AQI recorded in
December102AQI
Lowest AQI recorded in
May39AQI
2023130AQI
9
15
6
1
1
6
13
3
4
6
15
1
3
14
13
2
10
7
13
17
11
9
17
14
14
14
2
11
19
1
1
3
11
14
3
16
12
1
82
145
92
10
1
Highest AQI recorded in
January178AQI
Lowest AQI recorded in
August99AQI
2022147AQI
5
12
5
3
1
1
5
17
3
1
6
17
22
6
Highest AQI recorded in
December157AQI
Lowest AQI recorded in
November135AQI
Most & Least Polluted Years Over the Last 4 Years
Most Polluted Year Recorded
2022(Avg.)
147AQILeast Polluted Year Recorded
2024(Avg.)
62AQITan Thanh's annual 2025 AQI (71) shows an average percentage change of -27.08% (improved AQI) compared to previous years: 2022 (147), 2023 (130), 2024 (62).
