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+
August Air Quality Analysis
Tongjin, Gyeonggi, South Korea
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
24th Aug 2024
83AQILowest AQI recorded on
9th Aug 2023
20AQISame Day Analysis (1st August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 58 of Moderate air quality, showing improvement over 2023 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 2nd Aug - 3rd Aug 2025
Tongjin, Gyeonggi, South Korea
AQI
Day
Night
.
5 AM2nd Aug 2025
7 PM
4 AM3rd Aug 2025
Day time
Avg. Highest Time
12PM2nd Aug
81AQI
Avg. Lowest Time
6AM2nd Aug
55AQI
Night time
Avg. Highest Time
8PM2nd Aug
60AQI
Avg. Lowest Time
3AM3rd Aug
56AQI
In the last 24 hours,
Tongjin's AQI reached its highest point of 81 at 12 PM during the Day, while the lowest point, 55, was recorded at 6 AM during the Day between 2nd Aug and 3rd Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Tongjin, Gyeonggi, South Korea
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 2025525 AMAQI
4th Jul 2025526 AMAQI
4th Jul 2025527 AMAQI
4th Jul 2025518 AMAQI
4th Jul 2025539 AMAQI
4th Jul 20255310 AMAQI
4th Jul 20255411 AMAQI
4th Jul 20255312 PMAQI
4th Jul 2025531 PMAQI
4th Jul 2025542 PMAQI
4th Jul 2025543 PMAQI
4th Jul 2025534 PMAQI
4th Jul 2025535 PMAQI
4th Jul 2025546 PMAQI
4th Jul 2025537 PMAQI
4th Jul 2025508 PMAQI
4th Jul 2025489 PMAQI
4th Jul 20254610 PMAQI
4th Jul 20254611 PMAQI
5th Jul 20254812 AMAQI
5th Jul 2025511 AMAQI
5th Jul 2025512 AMAQI
5th Jul 2025513 AMAQI
5th Jul 2025514 AMAQI
26°C23/30°C
5th Jul 2025525 AMAQI
5th Jul 2025526 AMAQI
5th Jul 2025527 AMAQI
5th Jul 2025528 AMAQI
5th Jul 2025479 AMAQI
5th Jul 20254610 AMAQI
5th Jul 20254711 AMAQI
5th Jul 20254812 PMAQI
5th Jul 2025441 PMAQI
5th Jul 2025452 PMAQI
5th Jul 2025453 PMAQI
5th Jul 2025464 PMAQI
5th Jul 2025465 PMAQI
5th Jul 2025476 PMAQI
5th Jul 2025467 PMAQI
5th Jul 2025488 PMAQI
5th Jul 2025509 PMAQI
5th Jul 20254810 PMAQI
5th Jul 20254811 PMAQI
6th Jul 20254912 AMAQI
6th Jul 2025511 AMAQI
6th Jul 2025512 AMAQI
6th Jul 2025503 AMAQI
6th Jul 2025504 AMAQI
28°C23/33°C
6th Jul 2025505 AMAQI
6th Jul 2025506 AMAQI
6th Jul 2025517 AMAQI
6th Jul 2025518 AMAQI
6th Jul 2025529 AMAQI
6th Jul 20255310 AMAQI
6th Jul 20255411 AMAQI
6th Jul 20255612 PMAQI
6th Jul 2025561 PMAQI
6th Jul 2025572 PMAQI
6th Jul 2025593 PMAQI
6th Jul 2025584 PMAQI
6th Jul 2025575 PMAQI
6th Jul 2025586 PMAQI
6th Jul 2025587 PMAQI
6th Jul 2025568 PMAQI
6th Jul 2025549 PMAQI
6th Jul 20255310 PMAQI
6th Jul 20255411 PMAQI
7th Jul 20255112 AMAQI
7th Jul 2025511 AMAQI
7th Jul 2025502 AMAQI
7th Jul 2025503 AMAQI
7th Jul 2025524 AMAQI
28°C24/34°C
7th Jul 2025525 AMAQI
7th Jul 2025526 AMAQI
7th Jul 2025527 AMAQI
7th Jul 2025528 AMAQI
7th Jul 2025589 AMAQI
7th Jul 20256210 AMAQI
7th Jul 20257011 AMAQI
7th Jul 20257412 PMAQI
7th Jul 2025781 PMAQI
7th Jul 2025832 PMAQI
7th Jul 2025863 PMAQI
7th Jul 2025824 PMAQI
7th Jul 2025845 PMAQI
7th Jul 2025886 PMAQI
7th Jul 2025867 PMAQI
7th Jul 2025808 PMAQI
7th Jul 2025689 PMAQI
7th Jul 20256810 PMAQI
7th Jul 20256811 PMAQI
8th Jul 20256812 AMAQI
8th Jul 2025671 AMAQI
8th Jul 2025612 AMAQI
8th Jul 2025523 AMAQI
8th Jul 2025544 AMAQI
29°C25/34°C
8th Jul 2025565 AMAQI
8th Jul 2025566 AMAQI
8th Jul 2025567 AMAQI
8th Jul 2025568 AMAQI
8th Jul 2025839 AMAQI
8th Jul 20259210 AMAQI
8th Jul 20258811 AMAQI
8th Jul 20258112 PMAQI
8th Jul 2025761 PMAQI
8th Jul 2025752 PMAQI
8th Jul 2025753 PMAQI
8th Jul 2025764 PMAQI
8th Jul 2025765 PMAQI
8th Jul 2025766 PMAQI
8th Jul 2025757 PMAQI
8th Jul 2025728 PMAQI
8th Jul 2025669 PMAQI
8th Jul 20255810 PMAQI
8th Jul 20255711 PMAQI
9th Jul 20255612 AMAQI
9th Jul 2025571 AMAQI
9th Jul 2025592 AMAQI
9th Jul 2025593 AMAQI
9th Jul 2025604 AMAQI
31°C26/37°C
9th Jul 2025625 AMAQI
9th Jul 2025636 AMAQI
9th Jul 2025637 AMAQI
9th Jul 2025638 AMAQI
9th Jul 2025619 AMAQI
9th Jul 20256110 AMAQI
9th Jul 20256111 AMAQI
9th Jul 20255812 PMAQI
9th Jul 2025601 PMAQI
9th Jul 2025592 PMAQI
9th Jul 2025573 PMAQI
9th Jul 2025514 PMAQI
9th Jul 2025515 PMAQI
9th Jul 2025516 PMAQI
9th Jul 2025507 PMAQI
9th Jul 2025528 PMAQI
9th Jul 2025559 PMAQI
9th Jul 20255610 PMAQI
9th Jul 20255811 PMAQI
10th Jul 20255912 AMAQI
10th Jul 2025591 AMAQI
10th Jul 2025592 AMAQI
10th Jul 2025593 AMAQI
10th Jul 2025594 AMAQI
31°C26/36°C
10th Jul 2025595 AMAQI
10th Jul 2025596 AMAQI
10th Jul 2025607 AMAQI
10th Jul 2025598 AMAQI
10th Jul 2025479 AMAQI
10th Jul 20254510 AMAQI
10th Jul 20254311 AMAQI
10th Jul 20253912 PMAQI
10th Jul 2025391 PMAQI
10th Jul 2025392 PMAQI
10th Jul 2025403 PMAQI
10th Jul 2025384 PMAQI
10th Jul 2025395 PMAQI
10th Jul 2025396 PMAQI
10th Jul 2025367 PMAQI
10th Jul 2025458 PMAQI
10th Jul 2025549 PMAQI
10th Jul 20255410 PMAQI
10th Jul 20255411 PMAQI
11th Jul 20255512 AMAQI
11th Jul 2025571 AMAQI
11th Jul 2025582 AMAQI
11th Jul 2025583 AMAQI
11th Jul 2025574 AMAQI
30°C26/36°C
11th Jul 2025565 AMAQI
11th Jul 2025586 AMAQI
11th Jul 2025567 AMAQI
11th Jul 2025568 AMAQI
11th Jul 2025399 AMAQI
11th Jul 20253610 AMAQI
11th Jul 20254711 AMAQI
11th Jul 20254612 PMAQI
11th Jul 2025471 PMAQI
11th Jul 2025422 PMAQI
11th Jul 2025473 PMAQI
11th Jul 2025484 PMAQI
11th Jul 2025485 PMAQI
11th Jul 2025496 PMAQI
11th Jul 2025497 PMAQI
11th Jul 2025518 PMAQI
11th Jul 2025539 PMAQI
11th Jul 20255310 PMAQI
11th Jul 20255311 PMAQI
12th Jul 20255312 AMAQI
12th Jul 2025541 AMAQI
12th Jul 2025562 AMAQI
12th Jul 2025573 AMAQI
12th Jul 2025564 AMAQI
29°C24/35°C
12th Jul 2025555 AMAQI
12th Jul 2025556 AMAQI
12th Jul 2025557 AMAQI
12th Jul 2025558 AMAQI
12th Jul 2025439 AMAQI
12th Jul 20253910 AMAQI
12th Jul 20253611 AMAQI
12th Jul 20253112 PMAQI
12th Jul 2025361 PMAQI
12th Jul 2025372 PMAQI
12th Jul 2025383 PMAQI
12th Jul 2025394 PMAQI
12th Jul 2025485 PMAQI
12th Jul 2025366 PMAQI
12th Jul 2025447 PMAQI
12th Jul 2025468 PMAQI
12th Jul 2025519 PMAQI
12th Jul 20255210 PMAQI
12th Jul 20255311 PMAQI
13th Jul 20255412 AMAQI
13th Jul 2025551 AMAQI
13th Jul 2025552 AMAQI
13th Jul 2025553 AMAQI
13th Jul 2025544 AMAQI
29°C23/34°C
13th Jul 2025535 AMAQI
13th Jul 2025536 AMAQI
13th Jul 2025537 AMAQI
13th Jul 2025538 AMAQI
13th Jul 2025579 AMAQI
13th Jul 20256310 AMAQI
13th Jul 20256411 AMAQI
13th Jul 20256212 PMAQI
13th Jul 2025611 PMAQI
13th Jul 2025632 PMAQI
13th Jul 2025663 PMAQI
13th Jul 2025664 PMAQI
13th Jul 2025675 PMAQI
13th Jul 2025706 PMAQI
13th Jul 2025717 PMAQI
13th Jul 2025708 PMAQI
13th Jul 2025639 PMAQI
13th Jul 20256210 PMAQI
13th Jul 20256011 PMAQI
14th Jul 20255812 AMAQI
14th Jul 2025551 AMAQI
14th Jul 2025542 AMAQI
14th Jul 2025553 AMAQI
14th Jul 2025544 AMAQI
26°C23/30°C
14th Jul 2025555 AMAQI
14th Jul 2025566 AMAQI
14th Jul 2025567 AMAQI
14th Jul 2025568 AMAQI
14th Jul 2025659 AMAQI
14th Jul 20256910 AMAQI
14th Jul 20257311 AMAQI
14th Jul 20257312 PMAQI
14th Jul 2025681 PMAQI
14th Jul 2025602 PMAQI
14th Jul 2025483 PMAQI
14th Jul 2025384 PMAQI
14th Jul 2025275 PMAQI
14th Jul 2025276 PMAQI
14th Jul 2025307 PMAQI
14th Jul 2025398 PMAQI
14th Jul 2025509 PMAQI
14th Jul 20254910 PMAQI
14th Jul 20254811 PMAQI
15th Jul 20254712 AMAQI
15th Jul 2025541 AMAQI
15th Jul 2025562 AMAQI
15th Jul 2025553 AMAQI
15th Jul 2025564 AMAQI
23°C20/28°C
15th Jul 2025575 AMAQI
15th Jul 2025576 AMAQI
15th Jul 2025577 AMAQI
15th Jul 2025578 AMAQI
15th Jul 2025299 AMAQI
15th Jul 20252210 AMAQI
15th Jul 20252111 AMAQI
15th Jul 20252212 PMAQI
15th Jul 2025261 PMAQI
15th Jul 2025252 PMAQI
15th Jul 2025253 PMAQI
15th Jul 2025244 PMAQI
15th Jul 2025275 PMAQI
15th Jul 2025346 PMAQI
15th Jul 2025357 PMAQI
15th Jul 2025408 PMAQI
15th Jul 2025489 PMAQI
15th Jul 20254710 PMAQI
15th Jul 20254511 PMAQI
16th Jul 20254712 AMAQI
16th Jul 2025541 AMAQI
16th Jul 2025552 AMAQI
16th Jul 2025553 AMAQI
16th Jul 2025544 AMAQI
22°C20/25°C
16th Jul 2025525 AMAQI
16th Jul 2025526 AMAQI
16th Jul 2025527 AMAQI
16th Jul 2025528 AMAQI
16th Jul 2025559 AMAQI
16th Jul 20255710 AMAQI
16th Jul 20255711 AMAQI
16th Jul 20255712 PMAQI
16th Jul 2025551 PMAQI
16th Jul 2025452 PMAQI
16th Jul 2025423 PMAQI
16th Jul 2025404 PMAQI
16th Jul 2025485 PMAQI
16th Jul 2025506 PMAQI
16th Jul 2025407 PMAQI
16th Jul 2025378 PMAQI
16th Jul 2025459 PMAQI
16th Jul 20254510 PMAQI
16th Jul 20254511 PMAQI
17th Jul 20254812 AMAQI
17th Jul 2025531 AMAQI
17th Jul 2025532 AMAQI
17th Jul 2025533 AMAQI
17th Jul 2025534 AMAQI
21°C20/23°C
17th Jul 2025535 AMAQI
17th Jul 2025536 AMAQI
17th Jul 2025537 AMAQI
17th Jul 2025538 AMAQI
17th Jul 2025299 AMAQI
17th Jul 20251910 AMAQI
17th Jul 20252011 AMAQI
17th Jul 20251712 PMAQI
17th Jul 2025221 PMAQI
17th Jul 2025212 PMAQI
17th Jul 2025233 PMAQI
17th Jul 2025234 PMAQI
17th Jul 2025265 PMAQI
17th Jul 2025246 PMAQI
17th Jul 2025237 PMAQI
17th Jul 2025308 PMAQI
17th Jul 2025429 PMAQI
17th Jul 20254110 PMAQI
17th Jul 20254011 PMAQI
18th Jul 20254012 AMAQI
18th Jul 2025461 AMAQI
18th Jul 2025532 AMAQI
18th Jul 2025523 AMAQI
18th Jul 2025514 AMAQI
23°C21/25°C
18th Jul 2025495 AMAQI
18th Jul 2025496 AMAQI
18th Jul 2025497 AMAQI
18th Jul 2025498 AMAQI
18th Jul 2025309 AMAQI
18th Jul 20252710 AMAQI
18th Jul 20253111 AMAQI
18th Jul 20253412 PMAQI
18th Jul 2025371 PMAQI
18th Jul 2025362 PMAQI
18th Jul 2025333 PMAQI
18th Jul 2025354 PMAQI
18th Jul 2025375 PMAQI
18th Jul 2025426 PMAQI
18th Jul 2025427 PMAQI
18th Jul 2025418 PMAQI
18th Jul 2025449 PMAQI
18th Jul 20254410 PMAQI
18th Jul 20254411 PMAQI
19th Jul 20254512 AMAQI
19th Jul 2025491 AMAQI
19th Jul 2025502 AMAQI
19th Jul 2025503 AMAQI
19th Jul 2025484 AMAQI
23°C22/27°C
19th Jul 2025465 AMAQI
19th Jul 2025466 AMAQI
19th Jul 2025467 AMAQI
19th Jul 2025468 AMAQI
19th Jul 2025229 AMAQI
19th Jul 20251310 AMAQI
19th Jul 20251311 AMAQI
19th Jul 20251412 PMAQI
19th Jul 2025181 PMAQI
19th Jul 2025182 PMAQI
19th Jul 2025173 PMAQI
19th Jul 2025194 PMAQI
19th Jul 2025205 PMAQI
19th Jul 2025176 PMAQI
19th Jul 2025177 PMAQI
19th Jul 2025238 PMAQI
19th Jul 2025339 PMAQI
19th Jul 20253410 PMAQI
19th Jul 20253511 PMAQI
20th Jul 20253412 AMAQI
20th Jul 2025441 AMAQI
20th Jul 2025482 AMAQI
20th Jul 2025483 AMAQI
20th Jul 2025454 AMAQI
24°C22/28°C
20th Jul 2025415 AMAQI
20th Jul 2025426 AMAQI
20th Jul 2025417 AMAQI
20th Jul 2025428 AMAQI
20th Jul 2025299 AMAQI
20th Jul 20251910 AMAQI
20th Jul 20252511 AMAQI
20th Jul 20253412 PMAQI
20th Jul 2025361 PMAQI
20th Jul 2025362 PMAQI
20th Jul 2025363 PMAQI
20th Jul 2025354 PMAQI
20th Jul 2025355 PMAQI
20th Jul 2025336 PMAQI
20th Jul 2025347 PMAQI
20th Jul 2025358 PMAQI
20th Jul 2025409 PMAQI
20th Jul 20254410 PMAQI
20th Jul 20254611 PMAQI
21st Jul 20254412 AMAQI
21st Jul 2025431 AMAQI
21st Jul 2025432 AMAQI
21st Jul 2025433 AMAQI
21st Jul 2025424 AMAQI
27°C23/31°C
21st Jul 2025415 AMAQI
21st Jul 2025416 AMAQI
21st Jul 2025417 AMAQI
21st Jul 2025418 AMAQI
21st Jul 2025449 AMAQI
21st Jul 20255010 AMAQI
21st Jul 20255211 AMAQI
21st Jul 20255212 PMAQI
21st Jul 2025511 PMAQI
21st Jul 2025482 PMAQI
21st Jul 2025433 PMAQI
21st Jul 2025404 PMAQI
21st Jul 2025345 PMAQI
21st Jul 2025356 PMAQI
21st Jul 2025337 PMAQI
21st Jul 2025308 PMAQI
21st Jul 2025339 PMAQI
21st Jul 20253210 PMAQI
21st Jul 20253111 PMAQI
22nd Jul 20253212 AMAQI
22nd Jul 2025421 AMAQI
22nd Jul 2025432 AMAQI
22nd Jul 2025433 AMAQI
22nd Jul 2025434 AMAQI
28°C25/32°C
22nd Jul 2025455 AMAQI
22nd Jul 2025456 AMAQI
22nd Jul 2025447 AMAQI
22nd Jul 2025448 AMAQI
22nd Jul 2025349 AMAQI
22nd Jul 20253610 AMAQI
22nd Jul 20254111 AMAQI
22nd Jul 20254212 PMAQI
22nd Jul 2025421 PMAQI
22nd Jul 2025422 PMAQI
22nd Jul 2025383 PMAQI
22nd Jul 2025424 PMAQI
22nd Jul 2025425 PMAQI
22nd Jul 2025396 PMAQI
22nd Jul 2025377 PMAQI
22nd Jul 2025398 PMAQI
22nd Jul 2025389 PMAQI
22nd Jul 20253310 PMAQI
22nd Jul 20253311 PMAQI
23rd Jul 20253612 AMAQI
23rd Jul 2025391 AMAQI
23rd Jul 2025392 AMAQI
23rd Jul 2025423 AMAQI
23rd Jul 2025424 AMAQI
28°C24/32°C
23rd Jul 2025425 AMAQI
23rd Jul 2025426 AMAQI
23rd Jul 2025427 AMAQI
23rd Jul 2025428 AMAQI
23rd Jul 2025449 AMAQI
23rd Jul 20254410 AMAQI
23rd Jul 20254711 AMAQI
23rd Jul 20255012 PMAQI
23rd Jul 2025451 PMAQI
23rd Jul 2025442 PMAQI
23rd Jul 2025473 PMAQI
23rd Jul 2025484 PMAQI
23rd Jul 2025535 PMAQI
23rd Jul 2025556 PMAQI
23rd Jul 2025547 PMAQI
23rd Jul 2025538 PMAQI
23rd Jul 2025499 PMAQI
23rd Jul 20254610 PMAQI
23rd Jul 20254711 PMAQI
24th Jul 20254712 AMAQI
24th Jul 2025421 AMAQI
24th Jul 2025412 AMAQI
24th Jul 2025423 AMAQI
24th Jul 2025424 AMAQI
28°C25/32°C
24th Jul 2025425 AMAQI
24th Jul 2025436 AMAQI
24th Jul 2025427 AMAQI
24th Jul 2025428 AMAQI
24th Jul 2025509 AMAQI
24th Jul 20255410 AMAQI
24th Jul 20255311 AMAQI
24th Jul 20255312 PMAQI
24th Jul 2025521 PMAQI
24th Jul 2025572 PMAQI
24th Jul 2025593 PMAQI
24th Jul 2025614 PMAQI
24th Jul 2025605 PMAQI
24th Jul 2025606 PMAQI
24th Jul 2025617 PMAQI
24th Jul 2025608 PMAQI
24th Jul 2025569 PMAQI
24th Jul 20255710 PMAQI
24th Jul 20255811 PMAQI
25th Jul 20255812 AMAQI
25th Jul 2025591 AMAQI
25th Jul 2025492 AMAQI
25th Jul 2025433 AMAQI
25th Jul 2025454 AMAQI
29°C25/33°C
25th Jul 2025475 AMAQI
25th Jul 2025476 AMAQI
25th Jul 2025477 AMAQI
25th Jul 2025478 AMAQI
25th Jul 2025659 AMAQI
25th Jul 20257210 AMAQI
25th Jul 20257211 AMAQI
25th Jul 20257212 PMAQI
25th Jul 2025711 PMAQI
25th Jul 2025712 PMAQI
25th Jul 2025673 PMAQI
25th Jul 2025624 PMAQI
25th Jul 2025575 PMAQI
25th Jul 2025576 PMAQI
25th Jul 2025567 PMAQI
25th Jul 2025578 PMAQI
25th Jul 2025559 PMAQI
25th Jul 20255610 PMAQI
25th Jul 20255911 PMAQI
26th Jul 20255912 AMAQI
26th Jul 2025521 AMAQI
26th Jul 2025522 AMAQI
26th Jul 2025513 AMAQI
26th Jul 2025534 AMAQI
31°C25/36°C
26th Jul 2025555 AMAQI
26th Jul 2025556 AMAQI
26th Jul 2025557 AMAQI
26th Jul 2025558 AMAQI
26th Jul 2025579 AMAQI
26th Jul 20255010 AMAQI
26th Jul 20254311 AMAQI
26th Jul 20253612 PMAQI
26th Jul 2025351 PMAQI
26th Jul 2025342 PMAQI
26th Jul 2025373 PMAQI
26th Jul 2025334 PMAQI
26th Jul 2025315 PMAQI
26th Jul 2025276 PMAQI
26th Jul 2025267 PMAQI
26th Jul 2025348 PMAQI
26th Jul 2025479 PMAQI
26th Jul 20254810 PMAQI
26th Jul 20255011 PMAQI
27th Jul 20255012 AMAQI
27th Jul 2025531 AMAQI
27th Jul 2025542 AMAQI
27th Jul 2025543 AMAQI
27th Jul 2025534 AMAQI
31°C27/36°C
27th Jul 2025535 AMAQI
27th Jul 2025536 AMAQI
27th Jul 2025537 AMAQI
27th Jul 2025538 AMAQI
27th Jul 2025509 AMAQI
27th Jul 20254810 AMAQI
27th Jul 20253311 AMAQI
27th Jul 20252612 PMAQI
27th Jul 2025241 PMAQI
27th Jul 2025232 PMAQI
27th Jul 2025233 PMAQI
27th Jul 2025234 PMAQI
27th Jul 2025265 PMAQI
27th Jul 2025246 PMAQI
27th Jul 2025247 PMAQI
27th Jul 2025318 PMAQI
27th Jul 2025459 PMAQI
27th Jul 20254710 PMAQI
27th Jul 20254911 PMAQI
28th Jul 20255112 AMAQI
28th Jul 2025521 AMAQI
28th Jul 2025532 AMAQI
28th Jul 2025533 AMAQI
28th Jul 2025524 AMAQI
32°C27/37°C
28th Jul 2025515 AMAQI
28th Jul 2025516 AMAQI
28th Jul 2025507 AMAQI
28th Jul 2025518 AMAQI
28th Jul 2025659 AMAQI
28th Jul 20257310 AMAQI
28th Jul 20257411 AMAQI
28th Jul 20257412 PMAQI
28th Jul 2025701 PMAQI
28th Jul 2025682 PMAQI
28th Jul 2025623 PMAQI
28th Jul 2025614 PMAQI
28th Jul 2025615 PMAQI
28th Jul 2025666 PMAQI
28th Jul 2025667 PMAQI
28th Jul 2025658 PMAQI
28th Jul 2025609 PMAQI
28th Jul 20256110 PMAQI
28th Jul 20256211 PMAQI
29th Jul 20256112 AMAQI
29th Jul 2025551 AMAQI
29th Jul 2025522 AMAQI
29th Jul 2025523 AMAQI
29th Jul 2025534 AMAQI
30°C27/35°C
29th Jul 2025555 AMAQI
29th Jul 2025556 AMAQI
29th Jul 2025557 AMAQI
29th Jul 2025558 AMAQI
29th Jul 2025729 AMAQI
29th Jul 20258110 AMAQI
29th Jul 20258611 AMAQI
29th Jul 20259012 PMAQI
29th Jul 2025861 PMAQI
29th Jul 2025882 PMAQI
29th Jul 2025773 PMAQI
29th Jul 2025684 PMAQI
29th Jul 2025645 PMAQI
29th Jul 2025666 PMAQI
29th Jul 2025697 PMAQI
29th Jul 2025668 PMAQI
29th Jul 2025639 PMAQI
29th Jul 20256410 PMAQI
29th Jul 20256511 PMAQI
30th Jul 20256412 AMAQI
30th Jul 2025551 AMAQI
30th Jul 2025552 AMAQI
30th Jul 2025553 AMAQI
30th Jul 2025574 AMAQI
31°C26/37°C
30th Jul 2025615 AMAQI
30th Jul 2025606 AMAQI
30th Jul 2025617 AMAQI
30th Jul 2025608 AMAQI
30th Jul 2025729 AMAQI
30th Jul 20257410 AMAQI
30th Jul 20256811 AMAQI
30th Jul 20256712 PMAQI
30th Jul 2025681 PMAQI
30th Jul 2025652 PMAQI
30th Jul 2025633 PMAQI
30th Jul 2025574 PMAQI
30th Jul 2025475 PMAQI
30th Jul 2025326 PMAQI
30th Jul 2025337 PMAQI
30th Jul 2025428 PMAQI
30th Jul 2025569 PMAQI
30th Jul 20255710 PMAQI
30th Jul 20255711 PMAQI
31st Jul 20255612 AMAQI
31st Jul 2025581 AMAQI
31st Jul 2025582 AMAQI
31st Jul 2025583 AMAQI
31st Jul 2025584 AMAQI
31°C26/35°C
31st Jul 2025585 AMAQI
31st Jul 2025586 AMAQI
31st Jul 2025587 AMAQI
31st Jul 2025588 AMAQI
31st Jul 2025589 AMAQI
31st Jul 20255810 AMAQI
31st Jul 20255611 AMAQI
31st Jul 20255612 PMAQI
31st Jul 2025571 PMAQI
31st Jul 2025592 PMAQI
31st Jul 2025613 PMAQI
31st Jul 2025614 PMAQI
31st Jul 2025605 PMAQI
31st Jul 2025556 PMAQI
31st Jul 2025557 PMAQI
31st Jul 2025568 PMAQI
31st Jul 2025549 PMAQI
31st Jul 20255510 PMAQI
31st Jul 20255511 PMAQI
1st Aug 20255712 AMAQI
1st Aug 2025541 AMAQI
1st Aug 2025552 AMAQI
1st Aug 2025553 AMAQI
1st Aug 2025554 AMAQI
30°C27/35°C
1st Aug 2025565 AMAQI
1st Aug 2025566 AMAQI
1st Aug 2025567 AMAQI
1st Aug 2025558 AMAQI
1st Aug 2025539 AMAQI
1st Aug 20255810 AMAQI
1st Aug 20255811 AMAQI
1st Aug 20255612 PMAQI
1st Aug 2025571 PMAQI
1st Aug 2025612 PMAQI
1st Aug 2025613 PMAQI
1st Aug 2025664 PMAQI
1st Aug 2025685 PMAQI
1st Aug 2025616 PMAQI
1st Aug 2025607 PMAQI
1st Aug 2025578 PMAQI
1st Aug 2025659 PMAQI
1st Aug 20256310 PMAQI
1st Aug 20256311 PMAQI
2nd Aug 20255912 AMAQI
2nd Aug 2025551 AMAQI
2nd Aug 2025542 AMAQI
2nd Aug 2025553 AMAQI
2nd Aug 2025564 AMAQI
30°C27/36°C
2nd Aug 2025555 AMAQI
2nd Aug 2025556 AMAQI
2nd Aug 2025567 AMAQI
2nd Aug 2025568 AMAQI
2nd Aug 2025789 AMAQI
2nd Aug 20257810 AMAQI
2nd Aug 20257211 AMAQI
2nd Aug 20258112 PMAQI
2nd Aug 2025801 PMAQI
2nd Aug 2025612 PMAQI
2nd Aug 2025593 PMAQI
2nd Aug 2025624 PMAQI
2nd Aug 2025645 PMAQI
2nd Aug 2025686 PMAQI
2nd Aug 2025647 PMAQI
2nd Aug 2025608 PMAQI
2nd Aug 2025599 PMAQI
2nd Aug 20256010 PMAQI
2nd Aug 20256011 PMAQI
3rd Aug 20255612 AMAQI
3rd Aug 2025561 AMAQI
3rd Aug 2025562 AMAQI
3rd Aug 2025563 AMAQI
3rd Aug 2025584 AMAQI
30°C26/34°C
3rd Aug 2025595 AMAQI
5 AM3rd Aug 2025586 AMAQI
3rd Aug 2025597 AMAQI
3rd Aug 2025598 AMAQI
3rd Aug 2025669 AMAQI
12 PM
7 PM
12 AM
4 AM
--°C/°C
Day time
Avg. Highest Time
5 AM - 7 PM
51AQI
15 hours / Day
450 hours / Month
Avg. Lowest Time
5 AM - 7 PM
51AQI
15 hours / Day
450 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 5 AM to 7 PM (Avg. 51), while the lowest AQI was between 5 AM to 7 PM (Avg. 51).
Night time
Avg. Highest Time
12 AM - 4 AM
52AQI
5 hours / Day
150 hours / Month
Avg. Lowest Time
8 PM - 11 PM
51AQI
4 hours / Day
120 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 4 AM (Avg. 52), while the lowest AQI was between 8 PM to 11 PM (Avg. 51).
2025 Days Vs Air Quality
Tongjin, Gyeonggi, South Korea
2025
18%
39
73%
156
8%
17
0.4%
1
Total number of days with different AQI categories in last 215 days in 2025 (150 days remaining)
Good
39 DaysModerate
156 DaysPoor
17 DaysUnhealthy
1 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 18%
Health Risk Level:
Extreme
In 2025, 18% 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
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.
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
58AQI
58AQI
83AQI
66AQI
86AQI
65AQI
58AQI
61AQI
50AQI
58AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202567AQI
1
23
6
1
1
26
1
3
18
10
4
26
10
21
4
26
16
15
1
39
156
17
1
Highest AQI recorded in
March86AQI
Lowest AQI recorded in
July50AQI
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
2024(Avg.)
62AQITongjin's annual 2025 AQI (67) shows an average percentage change of 1.2% (worsened AQI) compared to previous years: 2020 (64), 2021 (67), 2022 (69), 2023 (70), 2024 (62).
