Tongjin, Gyeonggi, South Korea 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+
November Air Quality Analysis
Tongjin, Gyeonggi, South Korea
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
21st Nov 2021
172AQILowest AQI recorded on
9th Nov 2021
22AQISame Day Analysis (4th November ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 3rd highest AQI at 67 of Moderate air quality, showing improvement over 2023 and 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 4th Nov - 5th Nov 2025
Tongjin, Gyeonggi, South Korea
AQI
Day
Night
.
6 AM4th Nov 2025
5 PM
5 AM5th Nov 2025
Day time
Avg. Highest Time
1PM4th Nov
75AQI
Avg. Lowest Time
6AM4th Nov
62AQI
Night time
Avg. Highest Time
1AM5th Nov
100AQI
Avg. Lowest Time
6PM4th Nov
70AQI
In the last 24 hours,
Tongjin's AQI reached its highest point of 100 at 1 AM during the Night, while the lowest point, 62, was recorded at 6 AM during the Day between 4th Nov and 5th Nov 2025.
Day & Night AQI Trend : Oct - Nov 2025
Tongjin, Gyeonggi, South Korea
OctNov
06th - 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 - 05th05th
Day
Night
6th Oct 2025466 AMAQI
6th Oct 2025397 AMAQI
6th Oct 2025368 AMAQI
6th Oct 2025299 AMAQI
6th Oct 20253310 AMAQI
6th Oct 20253311 AMAQI
6th Oct 20254012 PMAQI
6th Oct 2025481 PMAQI
6th Oct 2025352 PMAQI
6th Oct 2025313 PMAQI
6th Oct 2025304 PMAQI
6th Oct 2025335 PMAQI
6th Oct 2025366 PMAQI
6th Oct 2025367 PMAQI
6th Oct 2025308 PMAQI
6th Oct 2025259 PMAQI
6th Oct 20252610 PMAQI
6th Oct 20253011 PMAQI
7th Oct 20253512 AMAQI
7th Oct 2025321 AMAQI
7th Oct 2025312 AMAQI
19°C16/20°C
7th Oct 2025268 PMAQI
7th Oct 2025349 PMAQI
7th Oct 20254010 PMAQI
7th Oct 20254111 PMAQI
8th Oct 20254112 AMAQI
8th Oct 2025381 AMAQI
8th Oct 2025362 AMAQI
8th Oct 2025383 AMAQI
8th Oct 2025334 AMAQI
8th Oct 2025315 AMAQI
18°C16/20°C
8th Oct 2025356 AMAQI
8th Oct 2025327 AMAQI
8th Oct 2025308 AMAQI
8th Oct 2025309 AMAQI
8th Oct 20253410 AMAQI
8th Oct 20253511 AMAQI
8th Oct 20253812 PMAQI
8th Oct 2025471 PMAQI
8th Oct 2025422 PMAQI
8th Oct 2025433 PMAQI
8th Oct 2025494 PMAQI
8th Oct 2025545 PMAQI
8th Oct 2025556 PMAQI
8th Oct 2025587 PMAQI
8th Oct 2025558 PMAQI
8th Oct 2025479 PMAQI
8th Oct 20255010 PMAQI
8th Oct 20254711 PMAQI
9th Oct 20255212 AMAQI
9th Oct 2025551 AMAQI
9th Oct 2025522 AMAQI
9th Oct 2025553 AMAQI
9th Oct 2025514 AMAQI
9th Oct 2025475 AMAQI
22°C18/27°C
9th Oct 2025476 AMAQI
9th Oct 2025477 AMAQI
9th Oct 2025458 AMAQI
9th Oct 2025359 AMAQI
9th Oct 20253510 AMAQI
9th Oct 20253911 AMAQI
9th Oct 20254012 PMAQI
9th Oct 2025421 PMAQI
9th Oct 2025422 PMAQI
9th Oct 2025503 PMAQI
9th Oct 2025564 PMAQI
9th Oct 2025545 PMAQI
9th Oct 2025566 PMAQI
9th Oct 2025547 PMAQI
9th Oct 2025478 PMAQI
9th Oct 2025379 PMAQI
9th Oct 20253010 PMAQI
9th Oct 20253211 PMAQI
10th Oct 20253212 AMAQI
10th Oct 2025281 AMAQI
10th Oct 2025352 AMAQI
10th Oct 2025453 AMAQI
10th Oct 2025424 AMAQI
10th Oct 2025425 AMAQI
19°C17/22°C
10th Oct 2025416 AMAQI
10th Oct 2025417 AMAQI
10th Oct 2025418 AMAQI
10th Oct 2025409 AMAQI
10th Oct 20254110 AMAQI
10th Oct 20254711 AMAQI
10th Oct 20255412 PMAQI
10th Oct 2025551 PMAQI
10th Oct 2025552 PMAQI
10th Oct 2025583 PMAQI
10th Oct 2025534 PMAQI
10th Oct 2025515 PMAQI
10th Oct 2025506 PMAQI
10th Oct 2025507 PMAQI
10th Oct 2025478 PMAQI
10th Oct 2025489 PMAQI
10th Oct 20255710 PMAQI
10th Oct 20256011 PMAQI
11th Oct 20255712 AMAQI
11th Oct 2025501 AMAQI
11th Oct 2025422 AMAQI
11th Oct 2025403 AMAQI
11th Oct 2025374 AMAQI
11th Oct 2025345 AMAQI
18°C17/19°C
11th Oct 2025356 AMAQI
11th Oct 2025367 AMAQI
11th Oct 2025378 AMAQI
11th Oct 2025359 AMAQI
11th Oct 20254210 AMAQI
11th Oct 20255111 AMAQI
11th Oct 20255212 PMAQI
11th Oct 2025541 PMAQI
11th Oct 2025592 PMAQI
11th Oct 2025613 PMAQI
11th Oct 2025634 PMAQI
11th Oct 2025615 PMAQI
11th Oct 2025576 PMAQI
11th Oct 2025507 PMAQI
11th Oct 2025518 PMAQI
11th Oct 2025449 PMAQI
11th Oct 20254710 PMAQI
11th Oct 20255011 PMAQI
12th Oct 20255512 AMAQI
12th Oct 2025561 AMAQI
12th Oct 2025552 AMAQI
12th Oct 2025533 AMAQI
12th Oct 2025524 AMAQI
12th Oct 2025495 AMAQI
21°C17/26°C
12th Oct 2025506 AMAQI
12th Oct 2025457 AMAQI
12th Oct 2025358 AMAQI
12th Oct 2025369 AMAQI
12th Oct 20254810 AMAQI
12th Oct 20254311 AMAQI
12th Oct 20254012 PMAQI
12th Oct 2025431 PMAQI
12th Oct 2025462 PMAQI
12th Oct 2025373 PMAQI
12th Oct 2025354 PMAQI
12th Oct 2025355 PMAQI
12th Oct 2025416 PMAQI
12th Oct 2025427 PMAQI
12th Oct 2025418 PMAQI
12th Oct 2025399 PMAQI
12th Oct 20253510 PMAQI
12th Oct 20253511 PMAQI
13th Oct 20253512 AMAQI
13th Oct 2025361 AMAQI
13th Oct 2025402 AMAQI
13th Oct 2025363 AMAQI
13th Oct 2025364 AMAQI
13th Oct 2025395 AMAQI
20°C19/22°C
13th Oct 2025376 AMAQI
13th Oct 2025397 AMAQI
13th Oct 2025358 AMAQI
13th Oct 2025359 AMAQI
13th Oct 20252910 AMAQI
13th Oct 20252411 AMAQI
13th Oct 20251912 PMAQI
13th Oct 2025221 PMAQI
13th Oct 2025212 PMAQI
13th Oct 2025213 PMAQI
13th Oct 2025334 PMAQI
13th Oct 2025435 PMAQI
13th Oct 2025466 PMAQI
13th Oct 2025387 PMAQI
13th Oct 2025328 PMAQI
13th Oct 2025319 PMAQI
13th Oct 20253310 PMAQI
13th Oct 20253811 PMAQI
14th Oct 20253712 AMAQI
14th Oct 2025381 AMAQI
14th Oct 2025412 AMAQI
14th Oct 2025413 AMAQI
14th Oct 2025374 AMAQI
14th Oct 2025325 AMAQI
17°C14/18°C
14th Oct 2025356 AMAQI
14th Oct 2025357 AMAQI
14th Oct 2025388 AMAQI
14th Oct 2025339 AMAQI
14th Oct 20253310 AMAQI
14th Oct 20253511 AMAQI
14th Oct 20253712 PMAQI
14th Oct 2025421 PMAQI
14th Oct 2025442 PMAQI
14th Oct 2025443 PMAQI
14th Oct 2025424 PMAQI
14th Oct 2025435 PMAQI
14th Oct 2025456 PMAQI
14th Oct 2025467 PMAQI
14th Oct 2025458 PMAQI
14th Oct 2025429 PMAQI
14th Oct 20254110 PMAQI
14th Oct 20254111 PMAQI
15th Oct 20254112 AMAQI
15th Oct 2025451 AMAQI
15th Oct 2025432 AMAQI
15th Oct 2025403 AMAQI
15th Oct 2025414 AMAQI
15th Oct 2025395 AMAQI
16°C15/18°C
15th Oct 2025406 AMAQI
15th Oct 2025417 AMAQI
15th Oct 2025398 AMAQI
15th Oct 2025389 AMAQI
15th Oct 20254110 AMAQI
15th Oct 20254311 AMAQI
15th Oct 20254412 PMAQI
15th Oct 2025451 PMAQI
15th Oct 2025472 PMAQI
15th Oct 2025473 PMAQI
15th Oct 2025444 PMAQI
15th Oct 2025465 PMAQI
15th Oct 2025476 PMAQI
15th Oct 2025477 PMAQI
15th Oct 2025438 PMAQI
15th Oct 2025459 PMAQI
15th Oct 20254710 PMAQI
15th Oct 20254511 PMAQI
16th Oct 20254312 AMAQI
16th Oct 2025431 AMAQI
16th Oct 2025422 AMAQI
16th Oct 2025433 AMAQI
16th Oct 2025404 AMAQI
16th Oct 2025405 AMAQI
19°C17/25°C
16th Oct 2025446 AMAQI
16th Oct 2025437 AMAQI
16th Oct 2025388 AMAQI
16th Oct 2025379 AMAQI
16th Oct 20253910 AMAQI
16th Oct 20254011 AMAQI
16th Oct 20253812 PMAQI
16th Oct 2025411 PMAQI
16th Oct 2025412 PMAQI
16th Oct 2025393 PMAQI
16th Oct 2025384 PMAQI
16th Oct 2025425 PMAQI
16th Oct 2025366 PMAQI
16th Oct 2025377 PMAQI
16th Oct 2025368 PMAQI
16th Oct 2025389 PMAQI
16th Oct 20254010 PMAQI
16th Oct 20253911 PMAQI
17th Oct 20253912 AMAQI
17th Oct 2025381 AMAQI
17th Oct 2025382 AMAQI
17th Oct 2025383 AMAQI
17th Oct 2025394 AMAQI
17th Oct 2025435 AMAQI
19°C17/23°C
17th Oct 2025426 AMAQI
17th Oct 2025427 AMAQI
17th Oct 2025388 AMAQI
17th Oct 2025409 AMAQI
17th Oct 20254010 AMAQI
17th Oct 20254011 AMAQI
17th Oct 20254512 PMAQI
17th Oct 2025471 PMAQI
17th Oct 2025482 PMAQI
17th Oct 2025523 PMAQI
17th Oct 2025494 PMAQI
17th Oct 2025495 PMAQI
17th Oct 2025466 PMAQI
17th Oct 2025437 PMAQI
17th Oct 2025468 PMAQI
17th Oct 2025569 PMAQI
17th Oct 20256210 PMAQI
17th Oct 20256411 PMAQI
18th Oct 20256212 AMAQI
18th Oct 2025581 AMAQI
18th Oct 2025542 AMAQI
18th Oct 2025463 AMAQI
18th Oct 2025444 AMAQI
18th Oct 2025465 AMAQI
19°C17/24°C
18th Oct 2025426 AMAQI
18th Oct 2025427 AMAQI
18th Oct 2025428 AMAQI
18th Oct 2025419 AMAQI
18th Oct 20254310 AMAQI
18th Oct 20254411 AMAQI
18th Oct 20254812 PMAQI
18th Oct 2025511 PMAQI
18th Oct 2025422 PMAQI
18th Oct 2025443 PMAQI
18th Oct 2025484 PMAQI
18th Oct 2025515 PMAQI
18th Oct 2025516 PMAQI
18th Oct 2025547 PMAQI
18th Oct 2025588 PMAQI
18th Oct 2025619 PMAQI
18th Oct 20256110 PMAQI
18th Oct 20256111 PMAQI
19th Oct 20256212 AMAQI
19th Oct 2025651 AMAQI
19th Oct 2025652 AMAQI
19th Oct 2025663 AMAQI
19th Oct 2025644 AMAQI
19th Oct 2025635 AMAQI
17°C16/19°C
19th Oct 2025636 AMAQI
19th Oct 2025607 AMAQI
19th Oct 2025538 AMAQI
19th Oct 2025499 AMAQI
19th Oct 20254410 AMAQI
19th Oct 20253911 AMAQI
19th Oct 20253912 PMAQI
19th Oct 2025421 PMAQI
19th Oct 2025442 PMAQI
19th Oct 2025483 PMAQI
19th Oct 2025484 PMAQI
19th Oct 2025565 PMAQI
19th Oct 2025586 PMAQI
19th Oct 2025547 PMAQI
19th Oct 2025578 PMAQI
19th Oct 2025599 PMAQI
19th Oct 20256010 PMAQI
19th Oct 20256311 PMAQI
20th Oct 20256512 AMAQI
20th Oct 2025601 AMAQI
20th Oct 2025592 AMAQI
20th Oct 2025583 AMAQI
20th Oct 2025574 AMAQI
20th Oct 2025565 AMAQI
16°C11/19°C
20th Oct 2025556 AMAQI
20th Oct 2025557 AMAQI
20th Oct 2025568 AMAQI
20th Oct 2025579 AMAQI
20th Oct 20255710 AMAQI
20th Oct 20255811 AMAQI
20th Oct 20255912 PMAQI
20th Oct 2025581 PMAQI
20th Oct 2025612 PMAQI
20th Oct 2025623 PMAQI
20th Oct 2025614 PMAQI
20th Oct 2025615 PMAQI
20th Oct 2025616 PMAQI
20th Oct 2025577 PMAQI
20th Oct 2025568 PMAQI
20th Oct 2025559 PMAQI
20th Oct 20255610 PMAQI
20th Oct 20255611 PMAQI
21st Oct 20255512 AMAQI
21st Oct 2025551 AMAQI
21st Oct 2025552 AMAQI
21st Oct 2025563 AMAQI
21st Oct 2025564 AMAQI
21st Oct 2025575 AMAQI
12°C8/16°C
21st Oct 2025566 AMAQI
21st Oct 2025567 AMAQI
21st Oct 2025568 AMAQI
21st Oct 2025549 AMAQI
21st Oct 20255510 AMAQI
21st Oct 20255511 AMAQI
21st Oct 20255712 PMAQI
21st Oct 2025601 PMAQI
21st Oct 2025602 PMAQI
21st Oct 2025603 PMAQI
21st Oct 2025584 PMAQI
21st Oct 2025565 PMAQI
21st Oct 2025566 PMAQI
21st Oct 2025577 PMAQI
21st Oct 2025588 PMAQI
21st Oct 2025599 PMAQI
21st Oct 20256010 PMAQI
21st Oct 20255611 PMAQI
22nd Oct 20255612 AMAQI
22nd Oct 2025561 AMAQI
22nd Oct 2025612 AMAQI
22nd Oct 2025603 AMAQI
22nd Oct 2025614 AMAQI
22nd Oct 2025615 AMAQI
12°C10/15°C
22nd Oct 2025606 AMAQI
22nd Oct 2025607 AMAQI
22nd Oct 2025568 AMAQI
22nd Oct 2025559 AMAQI
22nd Oct 20255510 AMAQI
22nd Oct 20255511 AMAQI
22nd Oct 20255412 PMAQI
22nd Oct 2025511 PMAQI
22nd Oct 2025462 PMAQI
22nd Oct 2025423 PMAQI
22nd Oct 2025364 PMAQI
22nd Oct 2025345 PMAQI
22nd Oct 2025286 PMAQI
22nd Oct 2025227 PMAQI
22nd Oct 2025248 PMAQI
22nd Oct 2025299 PMAQI
22nd Oct 20253510 PMAQI
22nd Oct 20254411 PMAQI
23rd Oct 20254412 AMAQI
23rd Oct 2025401 AMAQI
23rd Oct 2025372 AMAQI
23rd Oct 2025363 AMAQI
23rd Oct 2025354 AMAQI
23rd Oct 2025325 AMAQI
14°C10/18°C
23rd Oct 2025246 AMAQI
23rd Oct 2025227 AMAQI
23rd Oct 2025278 AMAQI
23rd Oct 2025259 AMAQI
23rd Oct 20252110 AMAQI
23rd Oct 20252311 AMAQI
23rd Oct 20252212 PMAQI
23rd Oct 2025231 PMAQI
23rd Oct 2025262 PMAQI
23rd Oct 2025263 PMAQI
23rd Oct 2025264 PMAQI
23rd Oct 2025275 PMAQI
23rd Oct 2025236 PMAQI
23rd Oct 2025257 PMAQI
23rd Oct 2025328 PMAQI
23rd Oct 2025279 PMAQI
23rd Oct 20253310 PMAQI
23rd Oct 20253811 PMAQI
24th Oct 20254612 AMAQI
24th Oct 2025481 AMAQI
24th Oct 2025342 AMAQI
24th Oct 2025323 AMAQI
24th Oct 2025364 AMAQI
24th Oct 2025415 AMAQI
17°C14/19°C
24th Oct 2025256 AMAQI
24th Oct 2025257 AMAQI
24th Oct 2025248 AMAQI
24th Oct 2025259 AMAQI
24th Oct 20252410 AMAQI
24th Oct 20252111 AMAQI
24th Oct 20252412 PMAQI
24th Oct 2025241 PMAQI
24th Oct 2025162 PMAQI
24th Oct 2025173 PMAQI
24th Oct 2025254 PMAQI
24th Oct 2025285 PMAQI
24th Oct 2025326 PMAQI
24th Oct 2025337 PMAQI
24th Oct 2025328 PMAQI
24th Oct 2025379 PMAQI
24th Oct 20254310 PMAQI
24th Oct 20254311 PMAQI
25th Oct 20255012 AMAQI
25th Oct 2025491 AMAQI
25th Oct 2025542 AMAQI
25th Oct 2025443 AMAQI
25th Oct 2025434 AMAQI
25th Oct 2025325 AMAQI
16°C13/19°C
25th Oct 2025346 AMAQI
25th Oct 2025307 AMAQI
25th Oct 2025328 AMAQI
25th Oct 2025349 AMAQI
25th Oct 20254310 AMAQI
25th Oct 20254611 AMAQI
25th Oct 20254612 PMAQI
25th Oct 2025491 PMAQI
25th Oct 2025512 PMAQI
25th Oct 2025503 PMAQI
25th Oct 2025554 PMAQI
25th Oct 2025525 PMAQI
25th Oct 2025466 PMAQI
25th Oct 2025577 PMAQI
25th Oct 2025588 PMAQI
25th Oct 2025589 PMAQI
25th Oct 20256110 PMAQI
25th Oct 20256411 PMAQI
26th Oct 20256212 AMAQI
26th Oct 2025661 AMAQI
26th Oct 2025652 AMAQI
26th Oct 2025653 AMAQI
26th Oct 2025664 AMAQI
26th Oct 2025665 AMAQI
16°C14/18°C
26th Oct 2025666 AMAQI
26th Oct 2025677 AMAQI
26th Oct 2025688 AMAQI
26th Oct 2025679 AMAQI
26th Oct 20256810 AMAQI
26th Oct 20256911 AMAQI
26th Oct 20257112 PMAQI
26th Oct 2025721 PMAQI
26th Oct 2025722 PMAQI
26th Oct 2025723 PMAQI
26th Oct 2025734 PMAQI
26th Oct 2025755 PMAQI
26th Oct 2025766 PMAQI
26th Oct 2025767 PMAQI
26th Oct 2025768 PMAQI
26th Oct 2025779 PMAQI
26th Oct 20257910 PMAQI
26th Oct 20258011 PMAQI
27th Oct 20258712 AMAQI
27th Oct 2025881 AMAQI
27th Oct 2025902 AMAQI
27th Oct 2025923 AMAQI
27th Oct 2025874 AMAQI
27th Oct 2025775 AMAQI
14°C12/16°C
27th Oct 2025656 AMAQI
27th Oct 2025597 AMAQI
27th Oct 2025578 AMAQI
27th Oct 2025529 AMAQI
27th Oct 20255710 AMAQI
27th Oct 20256111 AMAQI
27th Oct 20256312 PMAQI
27th Oct 2025591 PMAQI
27th Oct 2025552 PMAQI
27th Oct 2025473 PMAQI
27th Oct 2025444 PMAQI
27th Oct 2025375 PMAQI
27th Oct 2025336 PMAQI
27th Oct 2025247 PMAQI
27th Oct 2025198 PMAQI
27th Oct 2025199 PMAQI
27th Oct 20252010 PMAQI
27th Oct 20252511 PMAQI
28th Oct 20252912 AMAQI
28th Oct 2025331 AMAQI
28th Oct 2025372 AMAQI
28th Oct 2025353 AMAQI
28th Oct 2025344 AMAQI
28th Oct 2025375 AMAQI
9°C7/12°C
28th Oct 2025386 AMAQI
28th Oct 2025407 AMAQI
28th Oct 2025348 AMAQI
28th Oct 2025389 AMAQI
28th Oct 20254710 AMAQI
28th Oct 20255211 AMAQI
28th Oct 20255412 PMAQI
28th Oct 2025551 PMAQI
28th Oct 2025512 PMAQI
28th Oct 2025483 PMAQI
28th Oct 2025424 PMAQI
28th Oct 2025415 PMAQI
28th Oct 2025426 PMAQI
28th Oct 2025427 PMAQI
28th Oct 2025448 PMAQI
28th Oct 2025449 PMAQI
28th Oct 20254410 PMAQI
28th Oct 20254711 PMAQI
29th Oct 20254812 AMAQI
29th Oct 2025491 AMAQI
29th Oct 2025512 AMAQI
29th Oct 2025533 AMAQI
29th Oct 2025554 AMAQI
29th Oct 2025565 AMAQI
10°C6/13°C
29th Oct 2025566 AMAQI
29th Oct 2025547 AMAQI
29th Oct 2025558 AMAQI
29th Oct 2025599 AMAQI
29th Oct 20256610 AMAQI
29th Oct 20256811 AMAQI
29th Oct 20257112 PMAQI
29th Oct 2025731 PMAQI
29th Oct 2025772 PMAQI
29th Oct 2025713 PMAQI
29th Oct 2025664 PMAQI
29th Oct 2025585 PMAQI
29th Oct 2025556 PMAQI
29th Oct 2025507 PMAQI
29th Oct 2025518 PMAQI
29th Oct 2025539 PMAQI
29th Oct 20255810 PMAQI
29th Oct 20256111 PMAQI
30th Oct 20256312 AMAQI
30th Oct 2025681 AMAQI
30th Oct 2025712 AMAQI
30th Oct 2025723 AMAQI
30th Oct 2025734 AMAQI
30th Oct 2025735 AMAQI
12°C9/16°C
30th Oct 2025746 AMAQI
30th Oct 2025747 AMAQI
30th Oct 2025768 AMAQI
30th Oct 2025769 AMAQI
30th Oct 20257610 AMAQI
30th Oct 20258111 AMAQI
30th Oct 20258012 PMAQI
30th Oct 2025791 PMAQI
30th Oct 2025742 PMAQI
30th Oct 2025733 PMAQI
30th Oct 2025694 PMAQI
30th Oct 2025685 PMAQI
30th Oct 2025636 PMAQI
30th Oct 2025637 PMAQI
30th Oct 2025648 PMAQI
30th Oct 2025679 PMAQI
30th Oct 20257310 PMAQI
30th Oct 20258011 PMAQI
31st Oct 20258512 AMAQI
31st Oct 2025861 AMAQI
31st Oct 2025842 AMAQI
31st Oct 2025843 AMAQI
31st Oct 2025894 AMAQI
31st Oct 2025895 AMAQI
13°C10/17°C
31st Oct 2025926 AMAQI
31st Oct 2025957 AMAQI
31st Oct 2025968 AMAQI
31st Oct 2025949 AMAQI
31st Oct 20259410 AMAQI
31st Oct 20259811 AMAQI
31st Oct 20259712 PMAQI
31st Oct 2025861 PMAQI
31st Oct 2025762 PMAQI
31st Oct 2025763 PMAQI
31st Oct 2025684 PMAQI
31st Oct 2025665 PMAQI
31st Oct 2025466 PMAQI
31st Oct 2025477 PMAQI
31st Oct 2025598 PMAQI
31st Oct 2025649 PMAQI
31st Oct 20256410 PMAQI
31st Oct 20257211 PMAQI
1st Nov 20257912 AMAQI
1st Nov 2025911 AMAQI
1st Nov 2025882 AMAQI
1st Nov 2025843 AMAQI
1st Nov 2025694 AMAQI
1st Nov 2025675 AMAQI
15°C12/19°C
1st Nov 2025676 AMAQI
1st Nov 2025677 AMAQI
1st Nov 2025648 AMAQI
1st Nov 2025619 AMAQI
1st Nov 20256010 AMAQI
1st Nov 20255611 AMAQI
1st Nov 20255512 PMAQI
1st Nov 2025521 PMAQI
1st Nov 2025482 PMAQI
1st Nov 2025463 PMAQI
1st Nov 2025434 PMAQI
1st Nov 2025375 PMAQI
1st Nov 2025356 PMAQI
1st Nov 2025337 PMAQI
1st Nov 2025398 PMAQI
1st Nov 2025479 PMAQI
1st Nov 20255010 PMAQI
1st Nov 20255611 PMAQI
2nd Nov 20255812 AMAQI
2nd Nov 2025591 AMAQI
2nd Nov 2025552 AMAQI
2nd Nov 2025513 AMAQI
2nd Nov 2025464 AMAQI
2nd Nov 2025465 AMAQI
14°C12/16°C
2nd Nov 2025456 AMAQI
2nd Nov 2025447 AMAQI
2nd Nov 2025458 AMAQI
2nd Nov 2025449 AMAQI
2nd Nov 20254610 AMAQI
2nd Nov 20254611 AMAQI
2nd Nov 20254412 PMAQI
2nd Nov 2025441 PMAQI
2nd Nov 2025382 PMAQI
2nd Nov 2025373 PMAQI
2nd Nov 2025364 PMAQI
2nd Nov 2025365 PMAQI
2nd Nov 2025376 PMAQI
2nd Nov 2025357 PMAQI
2nd Nov 2025338 PMAQI
2nd Nov 2025269 PMAQI
2nd Nov 20252810 PMAQI
2nd Nov 20253611 PMAQI
3rd Nov 20254012 AMAQI
3rd Nov 2025381 AMAQI
3rd Nov 2025422 AMAQI
3rd Nov 2025443 AMAQI
3rd Nov 2025444 AMAQI
3rd Nov 2025435 AMAQI
10°C5/12°C
3rd Nov 2025436 AMAQI
3rd Nov 2025437 AMAQI
3rd Nov 2025448 AMAQI
3rd Nov 2025489 AMAQI
3rd Nov 20254610 AMAQI
3rd Nov 20255211 AMAQI
3rd Nov 20255712 PMAQI
3rd Nov 2025581 PMAQI
3rd Nov 2025622 PMAQI
3rd Nov 2025593 PMAQI
3rd Nov 2025624 PMAQI
3rd Nov 2025605 PMAQI
3rd Nov 2025596 PMAQI
3rd Nov 2025567 PMAQI
3rd Nov 2025568 PMAQI
3rd Nov 2025579 PMAQI
3rd Nov 20255410 PMAQI
3rd Nov 20256011 PMAQI
4th Nov 20255512 AMAQI
4th Nov 2025551 AMAQI
4th Nov 2025612 AMAQI
4th Nov 2025683 AMAQI
4th Nov 2025604 AMAQI
4th Nov 2025615 AMAQI
9°C4/13°C
4th Nov 2025626 AMAQI
4th Nov 2025667 AMAQI
4th Nov 2025658 AMAQI
4th Nov 2025669 AMAQI
4th Nov 20256710 AMAQI
4th Nov 20257011 AMAQI
4th Nov 20257312 PMAQI
4th Nov 2025751 PMAQI
4th Nov 2025732 PMAQI
4th Nov 2025733 PMAQI
4th Nov 2025724 PMAQI
4th Nov 2025695 PMAQI
4th Nov 2025706 PMAQI
4th Nov 2025727 PMAQI
4th Nov 2025768 PMAQI
4th Nov 2025799 PMAQI
4th Nov 20258110 PMAQI
4th Nov 20259011 PMAQI
5th Nov 20259812 AMAQI
5th Nov 20251001 AMAQI
5th Nov 20251002 AMAQI
5th Nov 2025983 AMAQI
5th Nov 2025954 AMAQI
5th Nov 2025955 AMAQI
11°C7/14°C
5th Nov 2025916 AMAQI
6 AM5th Nov 2025887 AMAQI
5th Nov 2025878 AMAQI
5th Nov 2025859 AMAQI
5th Nov 20258810 AMAQI
5th Nov 20258811 AMAQI
11 AM5th Nov 20258812 PMAQI
5th Nov 2025881 PMAQI
5th Nov 2025862 PMAQI
5th Nov 2025833 PMAQI
5th Nov 2025734 PMAQI
5th Nov 2025705 PMAQI
5 PM5th Nov 2025696 PMAQI
5th Nov 2025687 PMAQI
5th Nov 2025708 PMAQI
11 PM
5 AM
--°C/°C
Day time
Avg. Highest Time
12 PM - 1 PM
53AQI
2 hours / Day
60 hours / Month
Avg. Lowest Time
8 AM - 9 AM
48AQI
2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 PM to 1 PM (Avg. 53), while the lowest AQI was between 8 AM to 9 AM (Avg. 48).
Night time
Avg. Highest Time
12 AM - 3 AM
54AQI
4 hours / Day
120 hours / Month
Avg. Lowest Time
6 PM - 9 PM
48AQI
4 hours / Day
120 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 3 AM (Avg. 54), while the lowest AQI was between 6 PM to 9 PM (Avg. 48).
2025 Days Vs Air Quality
Tongjin, Gyeonggi, South Korea
2025
34%
106
60%
184
6%
17
0.3%
1
Total number of days with different AQI categories in last 309 days in 2025 (56 days remaining)
Good
106 DaysModerate
184 DaysPoor
17 DaysUnhealthy
1 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 34%
Health Risk Level:
High
In 2025, 34% of 309 days were within WHO’s safe air quality limits. The risk of health issues is High, with respiratory problems, heart disease, skin issues, and stress being more common, particularly among children and the elderly.
Annual Air Quality Insights
Tongjin, Gyeonggi, South Korea
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.
-1th undefined 2025
-1th undefined 2025
-1th undefined 2025
1st January 2025
77AQI
77AQI
2nd January 2025
67AQI
67AQI
3rd January 2025
64AQI
64AQI
4th January 2025
66AQI
66AQI
5th January 2025
74AQI
74AQI
6th January 2025
103AQI
103AQI
7th January 2025
61AQI
61AQI
8th January 2025
74AQI
74AQI
9th January 2025
43AQI
43AQI
10th January 2025
63AQI
63AQI
11th January 2025
62AQI
62AQI
12th January 2025
86AQI
86AQI
13th January 2025
96AQI
96AQI
14th January 2025
106AQI
106AQI
15th January 2025
59AQI
59AQI
16th January 2025
77AQI
77AQI
17th January 2025
94AQI
94AQI
18th January 2025
87AQI
87AQI
19th January 2025
100AQI
100AQI
20th January 2025
133AQI
133AQI
21st January 2025
146AQI
146AQI
22nd January 2025
153AQI
153AQI
23rd January 2025
137AQI
137AQI
24th January 2025
107AQI
107AQI
25th January 2025
77AQI
77AQI
26th January 2025
57AQI
57AQI
27th January 2025
65AQI
65AQI
28th January 2025
58AQI
58AQI
29th January 2025
63AQI
63AQI
30th January 2025
56AQI
56AQI
31st January 2025
74AQI
74AQI
1st February 2025
76AQI
76AQI
2nd February 2025
82AQI
82AQI
3rd February 2025
54AQI
54AQI
4th February 2025
55AQI
55AQI
5th February 2025
50AQI
50AQI
6th February 2025
59AQI
59AQI
7th February 2025
51AQI
51AQI
8th February 2025
53AQI
53AQI
9th February 2025
54AQI
54AQI
10th February 2025
60AQI
60AQI
11th February 2025
80AQI
80AQI
12th February 2025
84AQI
84AQI
13th February 2025
55AQI
55AQI
14th February 2025
94AQI
94AQI
15th February 2025
61AQI
61AQI
16th February 2025
120AQI
120AQI
17th February 2025
54AQI
54AQI
18th February 2025
66AQI
66AQI
19th February 2025
51AQI
51AQI
20th February 2025
60AQI
60AQI
21st February 2025
59AQI
59AQI
22nd February 2025
61AQI
61AQI
23rd February 2025
58AQI
58AQI
24th February 2025
62AQI
62AQI
25th February 2025
58AQI
58AQI
26th February 2025
80AQI
80AQI
27th February 2025
60AQI
60AQI
28th February 2025
86AQI
86AQI
1st March 2025
111AQI
111AQI
2nd March 2025
84AQI
84AQI
3rd March 2025
60AQI
60AQI
4th March 2025
49AQI
49AQI
5th March 2025
39AQI
39AQI
6th March 2025
73AQI
73AQI
7th March 2025
94AQI
94AQI
8th March 2025
92AQI
92AQI
9th March 2025
108AQI
108AQI
10th March 2025
120AQI
120AQI
11th March 2025
115AQI
115AQI
12th March 2025
113AQI
113AQI
13th March 2025
98AQI
98AQI
14th March 2025
82AQI
82AQI
15th March 2025
56AQI
56AQI
16th March 2025
74AQI
74AQI
17th March 2025
64AQI
64AQI
18th March 2025
66AQI
66AQI
19th March 2025
82AQI
82AQI
20th March 2025
91AQI
91AQI
21st March 2025
108AQI
108AQI
22nd March 2025
110AQI
110AQI
23rd March 2025
118AQI
118AQI
24th March 2025
121AQI
121AQI
25th March 2025
132AQI
132AQI
26th March 2025
91AQI
91AQI
27th March 2025
90AQI
90AQI
28th March 2025
65AQI
65AQI
29th March 2025
51AQI
51AQI
30th March 2025
48AQI
48AQI
31st March 2025
59AQI
59AQI
1st April 2025
81AQI
81AQI
2nd April 2025
86AQI
86AQI
3rd April 2025
81AQI
81AQI
4th April 2025
90AQI
90AQI
5th April 2025
75AQI
75AQI
6th April 2025
70AQI
70AQI
7th April 2025
71AQI
71AQI
8th April 2025
82AQI
82AQI
9th April 2025
71AQI
71AQI
10th April 2025
78AQI
78AQI
11th April 2025
87AQI
87AQI
12th April 2025
67AQI
67AQI
13th April 2025
63AQI
63AQI
14th April 2025
48AQI
48AQI
15th April 2025
56AQI
56AQI
16th April 2025
62AQI
62AQI
17th April 2025
66AQI
66AQI
18th April 2025
79AQI
79AQI
19th April 2025
51AQI
51AQI
20th April 2025
57AQI
57AQI
21st April 2025
51AQI
51AQI
22nd April 2025
45AQI
45AQI
23rd April 2025
35AQI
35AQI
24th April 2025
57AQI
57AQI
25th April 2025
66AQI
66AQI
26th April 2025
55AQI
55AQI
27th April 2025
44AQI
44AQI
28th April 2025
58AQI
58AQI
29th April 2025
67AQI
67AQI
30th April 2025
60AQI
60AQI
1st May 2025
58AQI
58AQI
2nd May 2025
48AQI
48AQI
3rd May 2025
49AQI
49AQI
4th May 2025
45AQI
45AQI
5th May 2025
52AQI
52AQI
6th May 2025
42AQI
42AQI
7th May 2025
55AQI
55AQI
8th May 2025
64AQI
64AQI
9th May 2025
52AQI
52AQI
10th May 2025
53AQI
53AQI
11th May 2025
67AQI
67AQI
12th May 2025
68AQI
68AQI
13th May 2025
73AQI
73AQI
14th May 2025
75AQI
75AQI
15th May 2025
63AQI
63AQI
16th May 2025
52AQI
52AQI
17th May 2025
40AQI
40AQI
18th May 2025
57AQI
57AQI
19th May 2025
61AQI
61AQI
20th May 2025
42AQI
42AQI
21st May 2025
49AQI
49AQI
22nd May 2025
44AQI
44AQI
23rd May 2025
62AQI
62AQI
24th May 2025
46AQI
46AQI
25th May 2025
50AQI
50AQI
26th May 2025
61AQI
61AQI
27th May 2025
74AQI
74AQI
28th May 2025
77AQI
77AQI
29th May 2025
77AQI
77AQI
30th May 2025
68AQI
68AQI
31st May 2025
76AQI
76AQI
1st June 2025
82AQI
82AQI
2nd June 2025
93AQI
93AQI
3rd June 2025
75AQI
75AQI
4th June 2025
57AQI
57AQI
5th June 2025
59AQI
59AQI
6th June 2025
60AQI
60AQI
7th June 2025
72AQI
72AQI
8th June 2025
59AQI
59AQI
9th June 2025
66AQI
66AQI
10th June 2025
53AQI
53AQI
11th June 2025
51AQI
51AQI
12th June 2025
59AQI
59AQI
13th June 2025
72AQI
72AQI
14th June 2025
52AQI
52AQI
15th June 2025
57AQI
57AQI
16th June 2025
60AQI
60AQI
17th June 2025
61AQI
61AQI
18th June 2025
67AQI
67AQI
19th June 2025
64AQI
64AQI
20th June 2025
45AQI
45AQI
21st June 2025
54AQI
54AQI
22nd June 2025
62AQI
62AQI
23rd June 2025
64AQI
64AQI
24th June 2025
58AQI
58AQI
25th June 2025
49AQI
49AQI
26th June 2025
54AQI
54AQI
27th June 2025
62AQI
62AQI
28th June 2025
61AQI
61AQI
29th June 2025
49AQI
49AQI
30th June 2025
45AQI
45AQI
1st July 2025
45AQI
45AQI
2nd July 2025
40AQI
40AQI
3rd July 2025
53AQI
53AQI
4th July 2025
51AQI
51AQI
5th July 2025
48AQI
48AQI
6th July 2025
54AQI
54AQI
7th July 2025
66AQI
66AQI
8th July 2025
68AQI
68AQI
9th July 2025
57AQI
57AQI
10th July 2025
50AQI
50AQI
11th July 2025
51AQI
51AQI
12th July 2025
48AQI
48AQI
13th July 2025
60AQI
60AQI
14th July 2025
51AQI
51AQI
15th July 2025
42AQI
42AQI
16th July 2025
50AQI
50AQI
17th July 2025
38AQI
38AQI
18th July 2025
42AQI
42AQI
19th July 2025
32AQI
32AQI
20th July 2025
38AQI
38AQI
21st July 2025
40AQI
40AQI
22nd July 2025
40AQI
40AQI
23rd July 2025
46AQI
46AQI
24th July 2025
51AQI
51AQI
25th July 2025
57AQI
57AQI
26th July 2025
45AQI
45AQI
27th July 2025
41AQI
41AQI
28th July 2025
60AQI
60AQI
29th July 2025
66AQI
66AQI
30th July 2025
56AQI
56AQI
31st July 2025
57AQI
57AQI
1st August 2025
59AQI
59AQI
2nd August 2025
62AQI
62AQI
3rd August 2025
61AQI
61AQI
4th August 2025
48AQI
48AQI
5th August 2025
51AQI
51AQI
6th August 2025
44AQI
44AQI
7th August 2025
49AQI
49AQI
8th August 2025
54AQI
54AQI
9th August 2025
54AQI
54AQI
10th August 2025
50AQI
50AQI
11th August 2025
57AQI
57AQI
12th August 2025
47AQI
47AQI
13th August 2025
39AQI
39AQI
14th August 2025
40AQI
40AQI
15th August 2025
38AQI
38AQI
16th August 2025
38AQI
38AQI
17th August 2025
41AQI
41AQI
18th August 2025
51AQI
51AQI
19th August 2025
42AQI
42AQI
20th August 2025
46AQI
46AQI
21st August 2025
46AQI
46AQI
22nd August 2025
46AQI
46AQI
23rd August 2025
48AQI
48AQI
24th August 2025
50AQI
50AQI
25th August 2025
48AQI
48AQI
26th August 2025
44AQI
44AQI
27th August 2025
49AQI
49AQI
28th August 2025
52AQI
52AQI
29th August 2025
45AQI
45AQI
30th August 2025
44AQI
44AQI
31st August 2025
50AQI
50AQI
1st September 2025
40AQI
40AQI
2nd September 2025
48AQI
48AQI
3rd September 2025
49AQI
49AQI
4th September 2025
37AQI
37AQI
5th September 2025
36AQI
36AQI
6th September 2025
38AQI
38AQI
7th September 2025
40AQI
40AQI
8th September 2025
48AQI
48AQI
9th September 2025
52AQI
52AQI
10th September 2025
48AQI
48AQI
11th September 2025
48AQI
48AQI
12th September 2025
45AQI
45AQI
13th September 2025
37AQI
37AQI
14th September 2025
42AQI
42AQI
15th September 2025
46AQI
46AQI
16th September 2025
44AQI
44AQI
17th September 2025
36AQI
36AQI
18th September 2025
29AQI
29AQI
19th September 2025
33AQI
33AQI
20th September 2025
28AQI
28AQI
21st September 2025
24AQI
24AQI
22nd September 2025
27AQI
27AQI
23rd September 2025
29AQI
29AQI
24th September 2025
36AQI
36AQI
25th September 2025
43AQI
43AQI
26th September 2025
56AQI
56AQI
27th September 2025
51AQI
51AQI
28th September 2025
37AQI
37AQI
29th September 2025
52AQI
52AQI
30th September 2025
61AQI
61AQI
1st October 2025
68AQI
68AQI
2nd October 2025
65AQI
65AQI
3rd October 2025
65AQI
65AQI
4th October 2025
43AQI
43AQI
5th October 2025
44AQI
44AQI
6th October 2025
37AQI
37AQI
7th October 2025
35AQI
35AQI
8th October 2025
42AQI
42AQI
9th October 2025
46AQI
46AQI
10th October 2025
46AQI
46AQI
11th October 2025
48AQI
48AQI
12th October 2025
44AQI
44AQI
13th October 2025
34AQI
34AQI
14th October 2025
39AQI
39AQI
15th October 2025
43AQI
43AQI
16th October 2025
40AQI
40AQI
17th October 2025
45AQI
45AQI
18th October 2025
51AQI
51AQI
19th October 2025
56AQI
56AQI
20th October 2025
58AQI
58AQI
21st October 2025
56AQI
56AQI
22nd October 2025
48AQI
48AQI
23rd October 2025
30AQI
30AQI
24th October 2025
32AQI
32AQI
25th October 2025
47AQI
47AQI
26th October 2025
71AQI
71AQI
27th October 2025
55AQI
55AQI
28th October 2025
41AQI
41AQI
29th October 2025
58AQI
58AQI
30th October 2025
72AQI
72AQI
31st October 2025
78AQI
78AQI
1st November 2025
58AQI
58AQI
2nd November 2025
43AQI
43AQI
3rd November 2025
51AQI
51AQI
4th November 2025
67AQI
67AQI
5th November 2025
6th November 2025
7th November 2025
8th November 2025
9th November 2025
10th November 2025
11th November 2025
12th November 2025
13th November 2025
14th November 2025
15th November 2025
16th November 2025
17th November 2025
18th November 2025
19th November 2025
20th November 2025
21st November 2025
22nd November 2025
23rd November 2025
24th November 2025
25th November 2025
26th November 2025
27th November 2025
28th November 2025
29th November 2025
30th November 2025
1st December 2025
2nd December 2025
3rd December 2025
4th December 2025
5th December 2025
6th December 2025
7th December 2025
8th December 2025
9th December 2025
10th December 2025
11th December 2025
12th December 2025
13th December 2025
14th December 2025
15th December 2025
16th December 2025
17th December 2025
18th December 2025
19th December 2025
20th December 2025
21st December 2025
22nd December 2025
23rd December 2025
24th December 2025
25th December 2025
26th December 2025
27th December 2025
28th December 2025
29th December 2025
30th December 2025
31st December 2025
83AQI
66AQI
86AQI
65AQI
58AQI
61AQI
50AQI
48AQI
41AQI
50AQI
55AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202561AQI
1
23
6
1
1
26
1
3
18
10
4
26
10
21
4
26
16
15
22
9
25
5
19
12
1
3
106
184
17
1
Highest AQI recorded in
March86AQI
Lowest AQI recorded in
September41AQI
202462AQI
5
17
9
9
12
7
1
5
20
6
2
25
3
11
20
5
25
23
8
11
20
24
6
18
13
8
21
1
4
26
1
125
213
27
1
Highest AQI recorded in
January83AQI
Lowest AQI recorded in
September40AQI
202370AQI
5
17
5
4
2
16
7
3
1
14
16
3
22
4
1
6
24
1
5
25
17
13
1
12
19
19
11
11
19
1
11
15
3
10
13
8
102
208
46
8
Highest AQI recorded in
February99AQI
Lowest AQI recorded in
September47AQI
202269AQI
22
7
2
1
14
4
3
6
17
8
6
20
4
7
22
2
15
15
8
17
2
1
19
10
15
13
3
4
19
6
1
5
19
7
88
189
41
6
Highest AQI recorded in
February92AQI
Lowest AQI recorded in
August35AQI
202167AQI
6
19
6
3
15
10
3
16
10
1
1
5
23
2
9
20
1
1
5
25
15
16
16
15
25
5
12
19
6
19
3
2
8
16
7
113
208
38
3
2
1
Highest AQI recorded in
March94AQI
Lowest AQI recorded in
September36AQI
202064AQI
2
10
1
3
17
1
5
13
3
26
1
19
12
18
13
20
10
10
19
2
6
16
8
5
14
11
1
91
150
24
1
Highest AQI recorded in
December87AQI
Lowest AQI recorded in
September44AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2023(Avg.)
70AQILeast Polluted Year Recorded
2025(Avg.)
61AQITongjin's annual 2025 AQI (61) shows an average percentage change of -8.2% (improved AQI) compared to previous years: 2020 (64), 2021 (67), 2022 (69), 2023 (70), 2024 (62).
