Ulchin, Gyeongbuk, 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
Ulchin, Gyeongbuk, South Korea
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
27th Aug 2021
68AQILowest AQI recorded on
9th Aug 2023
20AQISame Day Analysis (3rd August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 3rd highest AQI at 52 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 Aug - 5th Aug 2025
Ulchin, Gyeongbuk, South Korea
AQI
Day
Night
.
5 AM4th Aug 2025
7 PM
4 AM5th Aug 2025
Day time
Avg. Highest Time
12AMNaNth undefined
AQI
Avg. Lowest Time
12AMNaNth undefined
AQI
Night time
Avg. Highest Time
10PM4th Aug
55AQI
Avg. Lowest Time
9AM4th Aug
36AQI
In the last 24 hours,
Ulchin's AQI reached its highest point of 55 at 10 PM during the Night, while the lowest point, undefined, was recorded at 4 AM during the Night between 4th Aug and 5th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Ulchin, Gyeongbuk, South Korea
JulAug
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 Jul 2025585 AMAQI
6th Jul 2025586 AMAQI
6th Jul 2025587 AMAQI
6th Jul 2025588 AMAQI
6th Jul 2025559 AMAQI
6th Jul 20255110 AMAQI
6th Jul 20255311 AMAQI
6th Jul 20255612 PMAQI
6th Jul 2025561 PMAQI
6th Jul 2025552 PMAQI
6th Jul 2025553 PMAQI
6th Jul 2025554 PMAQI
6th Jul 2025565 PMAQI
6th Jul 2025566 PMAQI
6th Jul 2025587 PMAQI
6th Jul 2025588 PMAQI
6th Jul 2025589 PMAQI
6th Jul 20255810 PMAQI
6th Jul 20255911 PMAQI
7th Jul 20256012 AMAQI
7th Jul 2025581 AMAQI
7th Jul 2025582 AMAQI
7th Jul 2025593 AMAQI
7th Jul 2025584 AMAQI
26°C23/30°C
7th Jul 2025585 AMAQI
7th Jul 2025586 AMAQI
7th Jul 2025587 AMAQI
7th Jul 2025588 AMAQI
7th Jul 2025629 AMAQI
7th Jul 20256410 AMAQI
7th Jul 20256311 AMAQI
7th Jul 20256312 PMAQI
7th Jul 2025651 PMAQI
7th Jul 2025652 PMAQI
7th Jul 2025643 PMAQI
7th Jul 2025624 PMAQI
7th Jul 2025635 PMAQI
7th Jul 2025646 PMAQI
7th Jul 2025637 PMAQI
7th Jul 2025628 PMAQI
7th Jul 2025609 PMAQI
7th Jul 20256010 PMAQI
7th Jul 20256011 PMAQI
8th Jul 20256012 AMAQI
8th Jul 2025601 AMAQI
8th Jul 2025602 AMAQI
8th Jul 2025583 AMAQI
8th Jul 2025584 AMAQI
25°C22/28°C
8th Jul 2025585 AMAQI
8th Jul 2025596 AMAQI
8th Jul 2025597 AMAQI
8th Jul 2025598 AMAQI
8th Jul 2025589 AMAQI
8th Jul 20255310 AMAQI
8th Jul 20255211 AMAQI
8th Jul 20255312 PMAQI
8th Jul 2025561 PMAQI
8th Jul 2025562 PMAQI
8th Jul 2025553 PMAQI
8th Jul 2025554 PMAQI
8th Jul 2025555 PMAQI
8th Jul 2025556 PMAQI
8th Jul 2025557 PMAQI
8th Jul 2025558 PMAQI
8th Jul 2025579 PMAQI
8th Jul 20255710 PMAQI
8th Jul 20255611 PMAQI
9th Jul 20255712 AMAQI
9th Jul 2025591 AMAQI
9th Jul 2025592 AMAQI
9th Jul 2025593 AMAQI
9th Jul 2025594 AMAQI
24°C22/26°C
9th Jul 2025585 AMAQI
9th Jul 2025596 AMAQI
9th Jul 2025587 AMAQI
9th Jul 2025588 AMAQI
9th Jul 2025559 AMAQI
9th Jul 20255310 AMAQI
9th Jul 20255311 AMAQI
9th Jul 20255112 PMAQI
9th Jul 2025521 PMAQI
9th Jul 2025492 PMAQI
9th Jul 2025453 PMAQI
9th Jul 2025504 PMAQI
9th Jul 2025445 PMAQI
9th Jul 2025456 PMAQI
9th Jul 2025467 PMAQI
9th Jul 2025478 PMAQI
9th Jul 2025549 PMAQI
9th Jul 20255410 PMAQI
9th Jul 20255411 PMAQI
10th Jul 20255412 AMAQI
10th Jul 2025541 AMAQI
10th Jul 2025552 AMAQI
10th Jul 2025583 AMAQI
10th Jul 2025594 AMAQI
22°C20/25°C
10th Jul 2025585 AMAQI
10th Jul 2025586 AMAQI
10th Jul 2025587 AMAQI
10th Jul 2025588 AMAQI
10th Jul 2025439 AMAQI
10th Jul 20253810 AMAQI
10th Jul 20254011 AMAQI
10th Jul 20254112 PMAQI
10th Jul 2025441 PMAQI
10th Jul 2025442 PMAQI
10th Jul 2025453 PMAQI
10th Jul 2025444 PMAQI
10th Jul 2025455 PMAQI
10th Jul 2025456 PMAQI
10th Jul 2025457 PMAQI
10th Jul 2025548 PMAQI
10th Jul 2025569 PMAQI
10th Jul 20255810 PMAQI
10th Jul 20255611 PMAQI
11th Jul 20255712 AMAQI
11th Jul 2025581 AMAQI
11th Jul 2025592 AMAQI
11th Jul 2025593 AMAQI
11th Jul 2025594 AMAQI
23°C20/26°C
11th Jul 2025585 AMAQI
11th Jul 2025586 AMAQI
11th Jul 2025567 AMAQI
11th Jul 2025568 AMAQI
11th Jul 2025429 AMAQI
11th Jul 20254110 AMAQI
11th Jul 20254311 AMAQI
11th Jul 20254412 PMAQI
11th Jul 2025441 PMAQI
11th Jul 2025482 PMAQI
11th Jul 2025443 PMAQI
11th Jul 2025464 PMAQI
11th Jul 2025475 PMAQI
11th Jul 2025476 PMAQI
11th Jul 2025477 PMAQI
11th Jul 2025508 PMAQI
11th Jul 2025539 PMAQI
11th Jul 20255310 PMAQI
11th Jul 20255311 PMAQI
12th Jul 20255312 AMAQI
12th Jul 2025551 AMAQI
12th Jul 2025582 AMAQI
12th Jul 2025583 AMAQI
12th Jul 2025574 AMAQI
23°C21/25°C
12th Jul 2025565 AMAQI
12th Jul 2025566 AMAQI
12th Jul 2025567 AMAQI
12th Jul 2025568 AMAQI
12th Jul 2025389 AMAQI
12th Jul 20253010 AMAQI
12th Jul 20253211 AMAQI
12th Jul 20253612 PMAQI
12th Jul 2025421 PMAQI
12th Jul 2025372 PMAQI
12th Jul 2025373 PMAQI
12th Jul 2025384 PMAQI
12th Jul 2025425 PMAQI
12th Jul 2025366 PMAQI
12th Jul 2025427 PMAQI
12th Jul 2025488 PMAQI
12th Jul 2025529 PMAQI
12th Jul 20255210 PMAQI
12th Jul 20255211 PMAQI
13th Jul 20255112 AMAQI
13th Jul 2025541 AMAQI
13th Jul 2025552 AMAQI
13th Jul 2025553 AMAQI
13th Jul 2025554 AMAQI
23°C21/26°C
13th Jul 2025545 AMAQI
13th Jul 2025546 AMAQI
13th Jul 2025537 AMAQI
13th Jul 2025548 AMAQI
13th Jul 2025429 AMAQI
13th Jul 20253710 AMAQI
13th Jul 20254511 AMAQI
13th Jul 20254812 PMAQI
13th Jul 2025481 PMAQI
13th Jul 2025482 PMAQI
13th Jul 2025483 PMAQI
13th Jul 2025444 PMAQI
13th Jul 2025455 PMAQI
13th Jul 2025476 PMAQI
13th Jul 2025477 PMAQI
13th Jul 2025488 PMAQI
13th Jul 2025539 PMAQI
13th Jul 20255310 PMAQI
13th Jul 20255311 PMAQI
14th Jul 20255312 AMAQI
14th Jul 2025541 AMAQI
14th Jul 2025542 AMAQI
14th Jul 2025543 AMAQI
14th Jul 2025544 AMAQI
25°C22/29°C
14th Jul 2025535 AMAQI
14th Jul 2025536 AMAQI
14th Jul 2025537 AMAQI
14th Jul 2025538 AMAQI
14th Jul 2025339 AMAQI
14th Jul 20252610 AMAQI
14th Jul 20252311 AMAQI
14th Jul 20252212 PMAQI
14th Jul 2025281 PMAQI
14th Jul 2025272 PMAQI
14th Jul 2025283 PMAQI
14th Jul 2025304 PMAQI
14th Jul 2025345 PMAQI
14th Jul 2025326 PMAQI
14th Jul 2025307 PMAQI
14th Jul 2025378 PMAQI
14th Jul 2025489 PMAQI
14th Jul 20254810 PMAQI
14th Jul 20254611 PMAQI
15th Jul 20254712 AMAQI
15th Jul 2025521 AMAQI
15th Jul 2025542 AMAQI
15th Jul 2025543 AMAQI
15th Jul 2025534 AMAQI
21°C21/22°C
15th Jul 2025525 AMAQI
15th Jul 2025526 AMAQI
15th Jul 2025527 AMAQI
15th Jul 2025528 AMAQI
15th Jul 2025329 AMAQI
15th Jul 20252710 AMAQI
15th Jul 20252811 AMAQI
15th Jul 20252812 PMAQI
15th Jul 2025301 PMAQI
15th Jul 2025322 PMAQI
15th Jul 2025333 PMAQI
15th Jul 2025404 PMAQI
15th Jul 2025425 PMAQI
15th Jul 2025386 PMAQI
15th Jul 2025407 PMAQI
15th Jul 2025458 PMAQI
15th Jul 2025499 PMAQI
15th Jul 20254810 PMAQI
15th Jul 20254611 PMAQI
16th Jul 20254712 AMAQI
16th Jul 2025521 AMAQI
16th Jul 2025522 AMAQI
16th Jul 2025523 AMAQI
16th Jul 2025514 AMAQI
23°C21/24°C
16th Jul 2025495 AMAQI
16th Jul 2025496 AMAQI
16th Jul 2025507 AMAQI
16th Jul 2025508 AMAQI
16th Jul 2025499 AMAQI
16th Jul 20255010 AMAQI
16th Jul 20255011 AMAQI
16th Jul 20255012 PMAQI
16th Jul 2025561 PMAQI
16th Jul 2025572 PMAQI
16th Jul 2025593 PMAQI
16th Jul 2025594 PMAQI
16th Jul 2025585 PMAQI
16th Jul 2025576 PMAQI
16th Jul 2025577 PMAQI
16th Jul 2025568 PMAQI
16th Jul 2025549 PMAQI
16th Jul 20255310 PMAQI
16th Jul 20255211 PMAQI
17th Jul 20255212 AMAQI
17th Jul 2025521 AMAQI
17th Jul 2025522 AMAQI
17th Jul 2025513 AMAQI
17th Jul 2025524 AMAQI
23°C21/26°C
17th Jul 2025525 AMAQI
17th Jul 2025526 AMAQI
17th Jul 2025527 AMAQI
17th Jul 2025528 AMAQI
17th Jul 2025569 AMAQI
17th Jul 20255610 AMAQI
17th Jul 20255611 AMAQI
17th Jul 20255412 PMAQI
17th Jul 2025501 PMAQI
17th Jul 2025512 PMAQI
17th Jul 2025483 PMAQI
17th Jul 2025434 PMAQI
17th Jul 2025395 PMAQI
17th Jul 2025406 PMAQI
17th Jul 2025407 PMAQI
17th Jul 2025338 PMAQI
17th Jul 2025429 PMAQI
17th Jul 20254210 PMAQI
17th Jul 20254511 PMAQI
18th Jul 20254512 AMAQI
18th Jul 2025491 AMAQI
18th Jul 2025522 AMAQI
18th Jul 2025523 AMAQI
18th Jul 2025524 AMAQI
23°C22/26°C
18th Jul 2025525 AMAQI
18th Jul 2025526 AMAQI
18th Jul 2025527 AMAQI
18th Jul 2025528 AMAQI
18th Jul 2025359 AMAQI
18th Jul 20253010 AMAQI
18th Jul 20253211 AMAQI
18th Jul 20254512 PMAQI
18th Jul 2025431 PMAQI
18th Jul 2025422 PMAQI
18th Jul 2025403 PMAQI
18th Jul 2025364 PMAQI
18th Jul 2025345 PMAQI
18th Jul 2025426 PMAQI
18th Jul 2025387 PMAQI
18th Jul 2025388 PMAQI
18th Jul 2025449 PMAQI
18th Jul 20254410 PMAQI
18th Jul 20254211 PMAQI
19th Jul 20254312 AMAQI
19th Jul 2025491 AMAQI
19th Jul 2025512 AMAQI
19th Jul 2025523 AMAQI
19th Jul 2025504 AMAQI
23°C21/27°C
19th Jul 2025495 AMAQI
19th Jul 2025496 AMAQI
19th Jul 2025497 AMAQI
19th Jul 2025508 AMAQI
19th Jul 2025329 AMAQI
19th Jul 20252510 AMAQI
19th Jul 20252211 AMAQI
19th Jul 20252512 PMAQI
19th Jul 2025301 PMAQI
19th Jul 2025292 PMAQI
19th Jul 2025273 PMAQI
19th Jul 2025224 PMAQI
19th Jul 2025225 PMAQI
19th Jul 2025226 PMAQI
19th Jul 2025227 PMAQI
19th Jul 2025318 PMAQI
19th Jul 2025399 PMAQI
19th Jul 20254010 PMAQI
19th Jul 20253811 PMAQI
20th Jul 20253712 AMAQI
20th Jul 2025451 AMAQI
20th Jul 2025492 AMAQI
20th Jul 2025493 AMAQI
20th Jul 2025474 AMAQI
22°C20/25°C
20th Jul 2025455 AMAQI
20th Jul 2025456 AMAQI
20th Jul 2025457 AMAQI
20th Jul 2025458 AMAQI
20th Jul 2025369 AMAQI
20th Jul 20253110 AMAQI
20th Jul 20254011 AMAQI
20th Jul 20254412 PMAQI
20th Jul 2025431 PMAQI
20th Jul 2025422 PMAQI
20th Jul 2025423 PMAQI
20th Jul 2025444 PMAQI
20th Jul 2025535 PMAQI
20th Jul 2025526 PMAQI
20th Jul 2025517 PMAQI
20th Jul 2025538 PMAQI
20th Jul 2025509 PMAQI
20th Jul 20255210 PMAQI
20th Jul 20254911 PMAQI
21st Jul 20254812 AMAQI
21st Jul 2025451 AMAQI
21st Jul 2025462 AMAQI
21st Jul 2025463 AMAQI
21st Jul 2025464 AMAQI
24°C20/28°C
21st Jul 2025445 AMAQI
21st Jul 2025446 AMAQI
21st Jul 2025447 AMAQI
21st Jul 2025448 AMAQI
21st Jul 2025479 AMAQI
21st Jul 20254810 AMAQI
21st Jul 20253811 AMAQI
21st Jul 20253712 PMAQI
21st Jul 2025421 PMAQI
21st Jul 2025412 PMAQI
21st Jul 2025493 PMAQI
21st Jul 2025474 PMAQI
21st Jul 2025445 PMAQI
21st Jul 2025446 PMAQI
21st Jul 2025427 PMAQI
21st Jul 2025428 PMAQI
21st Jul 2025439 PMAQI
21st Jul 20254410 PMAQI
21st Jul 20254511 PMAQI
22nd Jul 20254612 AMAQI
22nd Jul 2025441 AMAQI
22nd Jul 2025462 AMAQI
22nd Jul 2025453 AMAQI
22nd Jul 2025454 AMAQI
25°C23/29°C
22nd Jul 2025455 AMAQI
22nd Jul 2025456 AMAQI
22nd Jul 2025447 AMAQI
22nd Jul 2025458 AMAQI
22nd Jul 2025349 AMAQI
22nd Jul 20253310 AMAQI
22nd Jul 20253711 AMAQI
22nd Jul 20253612 PMAQI
22nd Jul 2025311 PMAQI
22nd Jul 2025302 PMAQI
22nd Jul 2025353 PMAQI
22nd Jul 2025374 PMAQI
22nd Jul 2025385 PMAQI
22nd Jul 2025406 PMAQI
22nd Jul 2025407 PMAQI
22nd Jul 2025428 PMAQI
22nd Jul 2025459 PMAQI
22nd Jul 20254710 PMAQI
22nd Jul 20254511 PMAQI
23rd Jul 20254312 AMAQI
23rd Jul 2025451 AMAQI
23rd Jul 2025462 AMAQI
23rd Jul 2025453 AMAQI
23rd Jul 2025444 AMAQI
25°C22/29°C
23rd Jul 2025425 AMAQI
23rd Jul 2025436 AMAQI
23rd Jul 2025437 AMAQI
23rd Jul 2025438 AMAQI
23rd Jul 2025389 AMAQI
23rd Jul 20254010 AMAQI
23rd Jul 20254011 AMAQI
23rd Jul 20254212 PMAQI
23rd Jul 2025401 PMAQI
23rd Jul 2025362 PMAQI
23rd Jul 2025343 PMAQI
23rd Jul 2025384 PMAQI
23rd Jul 2025425 PMAQI
23rd Jul 2025426 PMAQI
23rd Jul 2025467 PMAQI
23rd Jul 2025538 PMAQI
23rd Jul 2025559 PMAQI
23rd Jul 20255410 PMAQI
23rd Jul 20255411 PMAQI
24th Jul 20255112 AMAQI
24th Jul 2025441 AMAQI
24th Jul 2025442 AMAQI
24th Jul 2025443 AMAQI
24th Jul 2025444 AMAQI
27°C24/29°C
24th Jul 2025435 AMAQI
24th Jul 2025436 AMAQI
24th Jul 2025437 AMAQI
24th Jul 2025438 AMAQI
24th Jul 2025539 AMAQI
24th Jul 20255610 AMAQI
24th Jul 20255711 AMAQI
24th Jul 20255812 PMAQI
24th Jul 2025581 PMAQI
24th Jul 2025612 PMAQI
24th Jul 2025553 PMAQI
24th Jul 2025484 PMAQI
24th Jul 2025445 PMAQI
24th Jul 2025426 PMAQI
24th Jul 2025387 PMAQI
24th Jul 2025458 PMAQI
24th Jul 2025489 PMAQI
24th Jul 20254810 PMAQI
24th Jul 20254311 PMAQI
25th Jul 20254512 AMAQI
25th Jul 2025501 AMAQI
25th Jul 2025472 AMAQI
25th Jul 2025453 AMAQI
25th Jul 2025474 AMAQI
27°C25/30°C
25th Jul 2025495 AMAQI
25th Jul 2025496 AMAQI
25th Jul 2025497 AMAQI
25th Jul 2025498 AMAQI
25th Jul 2025499 AMAQI
25th Jul 20255210 AMAQI
25th Jul 20255011 AMAQI
25th Jul 20255012 PMAQI
25th Jul 2025551 PMAQI
25th Jul 2025502 PMAQI
25th Jul 2025443 PMAQI
25th Jul 2025314 PMAQI
25th Jul 2025365 PMAQI
25th Jul 2025356 PMAQI
25th Jul 2025367 PMAQI
25th Jul 2025398 PMAQI
25th Jul 2025429 PMAQI
25th Jul 20254210 PMAQI
25th Jul 20254611 PMAQI
26th Jul 20254612 AMAQI
26th Jul 2025491 AMAQI
26th Jul 2025482 AMAQI
26th Jul 2025483 AMAQI
26th Jul 2025494 AMAQI
27°C25/30°C
26th Jul 2025505 AMAQI
26th Jul 2025496 AMAQI
26th Jul 2025497 AMAQI
26th Jul 2025498 AMAQI
26th Jul 2025429 AMAQI
26th Jul 20253810 AMAQI
26th Jul 20254711 AMAQI
26th Jul 20254712 PMAQI
26th Jul 2025451 PMAQI
26th Jul 2025492 PMAQI
26th Jul 2025433 PMAQI
26th Jul 2025414 PMAQI
26th Jul 2025425 PMAQI
26th Jul 2025426 PMAQI
26th Jul 2025417 PMAQI
26th Jul 2025428 PMAQI
26th Jul 2025479 PMAQI
26th Jul 20254510 PMAQI
26th Jul 20254511 PMAQI
27th Jul 20254512 AMAQI
27th Jul 2025491 AMAQI
27th Jul 2025502 AMAQI
27th Jul 2025503 AMAQI
27th Jul 2025494 AMAQI
26°C24/30°C
27th Jul 2025495 AMAQI
27th Jul 2025496 AMAQI
27th Jul 2025497 AMAQI
27th Jul 2025488 AMAQI
27th Jul 2025369 AMAQI
27th Jul 20252810 AMAQI
27th Jul 20252811 AMAQI
27th Jul 20252512 PMAQI
27th Jul 2025281 PMAQI
27th Jul 2025272 PMAQI
27th Jul 2025233 PMAQI
27th Jul 2025224 PMAQI
27th Jul 2025205 PMAQI
27th Jul 2025236 PMAQI
27th Jul 2025257 PMAQI
27th Jul 2025308 PMAQI
27th Jul 2025399 PMAQI
27th Jul 20254010 PMAQI
27th Jul 20253911 PMAQI
28th Jul 20253912 AMAQI
28th Jul 2025481 AMAQI
28th Jul 2025492 AMAQI
28th Jul 2025493 AMAQI
28th Jul 2025474 AMAQI
27°C23/32°C
28th Jul 2025455 AMAQI
28th Jul 2025456 AMAQI
28th Jul 2025467 AMAQI
28th Jul 2025458 AMAQI
28th Jul 2025309 AMAQI
28th Jul 20252710 AMAQI
28th Jul 20252711 AMAQI
28th Jul 20252912 PMAQI
28th Jul 2025291 PMAQI
28th Jul 2025302 PMAQI
28th Jul 2025353 PMAQI
28th Jul 2025394 PMAQI
28th Jul 2025405 PMAQI
28th Jul 2025396 PMAQI
28th Jul 2025367 PMAQI
28th Jul 2025398 PMAQI
28th Jul 2025449 PMAQI
28th Jul 20254310 PMAQI
28th Jul 20254311 PMAQI
29th Jul 20254312 AMAQI
29th Jul 2025471 AMAQI
29th Jul 2025472 AMAQI
29th Jul 2025463 AMAQI
29th Jul 2025454 AMAQI
28°C25/30°C
29th Jul 2025435 AMAQI
29th Jul 2025446 AMAQI
29th Jul 2025447 AMAQI
29th Jul 2025448 AMAQI
29th Jul 2025389 AMAQI
29th Jul 20254110 AMAQI
29th Jul 20254611 AMAQI
29th Jul 20255012 PMAQI
29th Jul 2025511 PMAQI
29th Jul 2025502 PMAQI
29th Jul 2025493 PMAQI
29th Jul 2025444 PMAQI
29th Jul 2025415 PMAQI
29th Jul 2025366 PMAQI
29th Jul 2025337 PMAQI
29th Jul 2025368 PMAQI
29th Jul 2025429 PMAQI
29th Jul 20254410 PMAQI
29th Jul 20254111 PMAQI
30th Jul 20254212 AMAQI
30th Jul 2025451 AMAQI
30th Jul 2025472 AMAQI
30th Jul 2025463 AMAQI
30th Jul 2025464 AMAQI
26°C23/30°C
30th Jul 2025475 AMAQI
30th Jul 2025476 AMAQI
30th Jul 2025467 AMAQI
30th Jul 2025468 AMAQI
30th Jul 2025399 AMAQI
30th Jul 20253710 AMAQI
30th Jul 20254111 AMAQI
30th Jul 20254612 PMAQI
30th Jul 2025431 PMAQI
30th Jul 2025422 PMAQI
30th Jul 2025413 PMAQI
30th Jul 2025414 PMAQI
30th Jul 2025415 PMAQI
30th Jul 2025426 PMAQI
30th Jul 2025407 PMAQI
30th Jul 2025418 PMAQI
30th Jul 2025409 PMAQI
30th Jul 20254010 PMAQI
30th Jul 20254311 PMAQI
31st Jul 20254212 AMAQI
31st Jul 2025471 AMAQI
31st Jul 2025482 AMAQI
31st Jul 2025473 AMAQI
31st Jul 2025474 AMAQI
25°C23/27°C
31st Jul 2025475 AMAQI
31st Jul 2025476 AMAQI
31st Jul 2025477 AMAQI
31st Jul 2025478 AMAQI
31st Jul 2025479 AMAQI
31st Jul 20254710 AMAQI
31st Jul 20254911 AMAQI
31st Jul 20254912 PMAQI
31st Jul 2025501 PMAQI
31st Jul 2025502 PMAQI
31st Jul 2025483 PMAQI
31st Jul 2025484 PMAQI
31st Jul 2025475 PMAQI
31st Jul 2025446 PMAQI
31st Jul 2025457 PMAQI
31st Jul 2025478 PMAQI
31st Jul 2025539 PMAQI
31st Jul 20255110 PMAQI
31st Jul 20254811 PMAQI
1st Aug 20254412 AMAQI
1st Aug 2025461 AMAQI
1st Aug 2025492 AMAQI
1st Aug 2025483 AMAQI
1st Aug 2025484 AMAQI
27°C23/30°C
1st Aug 2025475 AMAQI
1st Aug 2025486 AMAQI
1st Aug 2025487 AMAQI
1st Aug 2025478 AMAQI
1st Aug 2025569 AMAQI
1st Aug 20255810 AMAQI
1st Aug 20255611 AMAQI
1st Aug 20255412 PMAQI
1st Aug 2025551 PMAQI
1st Aug 2025502 PMAQI
1st Aug 2025543 PMAQI
1st Aug 2025524 PMAQI
1st Aug 2025515 PMAQI
1st Aug 2025466 PMAQI
1st Aug 2025477 PMAQI
1st Aug 2025488 PMAQI
1st Aug 2025519 PMAQI
1st Aug 20254910 PMAQI
1st Aug 20255011 PMAQI
2nd Aug 20254812 AMAQI
2nd Aug 2025491 AMAQI
2nd Aug 2025472 AMAQI
2nd Aug 2025463 AMAQI
2nd Aug 2025484 AMAQI
27°C25/30°C
2nd Aug 2025485 AMAQI
2nd Aug 2025486 AMAQI
2nd Aug 2025497 AMAQI
2nd Aug 2025498 AMAQI
2nd Aug 2025589 AMAQI
2nd Aug 20255810 AMAQI
2nd Aug 20256111 AMAQI
2nd Aug 20255712 PMAQI
2nd Aug 2025561 PMAQI
2nd Aug 2025582 PMAQI
2nd Aug 2025593 PMAQI
2nd Aug 2025584 PMAQI
2nd Aug 2025595 PMAQI
2nd Aug 2025636 PMAQI
2nd Aug 2025567 PMAQI
2nd Aug 2025568 PMAQI
2nd Aug 2025539 PMAQI
2nd Aug 20255410 PMAQI
2nd Aug 20255011 PMAQI
3rd Aug 20254912 AMAQI
3rd Aug 2025461 AMAQI
3rd Aug 2025462 AMAQI
3rd Aug 2025473 AMAQI
3rd Aug 2025484 AMAQI
28°C25/30°C
3rd Aug 2025505 AMAQI
3rd Aug 2025496 AMAQI
3rd Aug 2025507 AMAQI
3rd Aug 2025508 AMAQI
3rd Aug 2025549 AMAQI
3rd Aug 20256010 AMAQI
3rd Aug 20256111 AMAQI
3rd Aug 20256212 PMAQI
3rd Aug 2025611 PMAQI
3rd Aug 2025582 PMAQI
3rd Aug 2025613 PMAQI
3rd Aug 2025594 PMAQI
3rd Aug 2025605 PMAQI
3rd Aug 2025576 PMAQI
3rd Aug 2025567 PMAQI
3rd Aug 2025538 PMAQI
3rd Aug 2025559 PMAQI
3rd Aug 20255310 PMAQI
3rd Aug 20255111 PMAQI
4th Aug 20255012 AMAQI
4th Aug 2025471 AMAQI
4th Aug 2025482 AMAQI
4th Aug 2025493 AMAQI
4th Aug 2025524 AMAQI
28°C27/30°C
4th Aug 2025505 AMAQI
4th Aug 2025506 AMAQI
4th Aug 2025527 AMAQI
4th Aug 2025518 AMAQI
4th Aug 2025369 AMAQI
4th Aug 20254010 AMAQI
4th Aug 20254311 AMAQI
4th Aug 20254012 PMAQI
4th Aug 2025451 PMAQI
4th Aug 2025492 PMAQI
4th Aug 2025463 PMAQI
4th Aug 2025524 PMAQI
4th Aug 2025505 PMAQI
4th Aug 2025526 PMAQI
4th Aug 2025437 PMAQI
4th Aug 2025518 PMAQI
4th Aug 2025549 PMAQI
4th Aug 20255510 PMAQI
4th Aug 20255111 PMAQI
5th Aug 20255212 AMAQI
5th Aug 2025501 AMAQI
5th Aug 2025482 AMAQI
--°C/°C
5 AM
12 PM
7 PM
12 AM
4 AM
--°C/°C
Day time
Avg. Highest Time
5 AM - 8 AM
50AQI
4 hours / Day
120 hours / Month
Avg. Lowest Time
9 AM - 7 PM
44AQI
11 hours / Day
330 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 5 AM to 8 AM (Avg. 50), while the lowest AQI was between 9 AM to 7 PM (Avg. 44).
Night time
Avg. Highest Time
12 AM - 4 AM
50AQI
5 hours / Day
150 hours / Month
Avg. Lowest Time
8 PM
46AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 4 AM (Avg. 50), while the lowest AQI was between 8 PM to 8 PM (Avg. 46).
2025 Days Vs Air Quality
Ulchin, Gyeongbuk, South Korea
2025
44%
95
55%
119
0.4%
1
Total number of days with different AQI categories in last 216 days in 2025 (149 days remaining)
Good
95 DaysModerate
119 DaysPoor
1 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 44%
Health Risk Level:
Significant
In 2025, 44% of 216 days were within WHO’s safe air quality limits, and 56% exceeded them. The risk of health issues is Significant, especially for those with existing respiratory or heart conditions.
Annual Air Quality Insights
Ulchin, Gyeongbuk, 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
55AQI
55AQI
2nd January 2025
50AQI
50AQI
3rd January 2025
46AQI
46AQI
4th January 2025
44AQI
44AQI
5th January 2025
53AQI
53AQI
6th January 2025
68AQI
68AQI
7th January 2025
49AQI
49AQI
8th January 2025
55AQI
55AQI
9th January 2025
42AQI
42AQI
10th January 2025
45AQI
45AQI
11th January 2025
43AQI
43AQI
12th January 2025
45AQI
45AQI
13th January 2025
58AQI
58AQI
14th January 2025
71AQI
71AQI
15th January 2025
50AQI
50AQI
16th January 2025
55AQI
55AQI
17th January 2025
54AQI
54AQI
18th January 2025
63AQI
63AQI
19th January 2025
53AQI
53AQI
20th January 2025
74AQI
74AQI
21st January 2025
86AQI
86AQI
22nd January 2025
99AQI
99AQI
23rd January 2025
74AQI
74AQI
24th January 2025
72AQI
72AQI
25th January 2025
54AQI
54AQI
26th January 2025
51AQI
51AQI
27th January 2025
47AQI
47AQI
28th January 2025
52AQI
52AQI
29th January 2025
52AQI
52AQI
30th January 2025
56AQI
56AQI
31st January 2025
69AQI
69AQI
1st February 2025
59AQI
59AQI
2nd February 2025
48AQI
48AQI
3rd February 2025
56AQI
56AQI
4th February 2025
43AQI
43AQI
5th February 2025
45AQI
45AQI
6th February 2025
41AQI
41AQI
7th February 2025
49AQI
49AQI
8th February 2025
38AQI
38AQI
9th February 2025
45AQI
45AQI
10th February 2025
43AQI
43AQI
11th February 2025
55AQI
55AQI
12th February 2025
48AQI
48AQI
13th February 2025
43AQI
43AQI
14th February 2025
57AQI
57AQI
15th February 2025
47AQI
47AQI
16th February 2025
72AQI
72AQI
17th February 2025
48AQI
48AQI
18th February 2025
52AQI
52AQI
19th February 2025
42AQI
42AQI
20th February 2025
47AQI
47AQI
21st February 2025
43AQI
43AQI
22nd February 2025
49AQI
49AQI
23rd February 2025
49AQI
49AQI
24th February 2025
52AQI
52AQI
25th February 2025
50AQI
50AQI
26th February 2025
74AQI
74AQI
27th February 2025
60AQI
60AQI
28th February 2025
67AQI
67AQI
1st March 2025
61AQI
61AQI
2nd March 2025
66AQI
66AQI
3rd March 2025
45AQI
45AQI
4th March 2025
45AQI
45AQI
5th March 2025
40AQI
40AQI
6th March 2025
43AQI
43AQI
7th March 2025
48AQI
48AQI
8th March 2025
50AQI
50AQI
9th March 2025
62AQI
62AQI
10th March 2025
57AQI
57AQI
11th March 2025
73AQI
73AQI
12th March 2025
72AQI
72AQI
13th March 2025
59AQI
59AQI
14th March 2025
53AQI
53AQI
15th March 2025
47AQI
47AQI
16th March 2025
42AQI
42AQI
17th March 2025
52AQI
52AQI
18th March 2025
47AQI
47AQI
19th March 2025
63AQI
63AQI
20th March 2025
61AQI
61AQI
21st March 2025
78AQI
78AQI
22nd March 2025
68AQI
68AQI
23rd March 2025
73AQI
73AQI
24th March 2025
96AQI
96AQI
25th March 2025
108AQI
108AQI
26th March 2025
98AQI
98AQI
27th March 2025
84AQI
84AQI
28th March 2025
75AQI
75AQI
29th March 2025
57AQI
57AQI
30th March 2025
52AQI
52AQI
31st March 2025
54AQI
54AQI
1st April 2025
55AQI
55AQI
2nd April 2025
42AQI
42AQI
3rd April 2025
44AQI
44AQI
4th April 2025
53AQI
53AQI
5th April 2025
54AQI
54AQI
6th April 2025
52AQI
52AQI
7th April 2025
57AQI
57AQI
8th April 2025
68AQI
68AQI
9th April 2025
63AQI
63AQI
10th April 2025
67AQI
67AQI
11th April 2025
62AQI
62AQI
12th April 2025
59AQI
59AQI
13th April 2025
58AQI
58AQI
14th April 2025
52AQI
52AQI
15th April 2025
45AQI
45AQI
16th April 2025
57AQI
57AQI
17th April 2025
60AQI
60AQI
18th April 2025
70AQI
70AQI
19th April 2025
60AQI
60AQI
20th April 2025
54AQI
54AQI
21st April 2025
47AQI
47AQI
22nd April 2025
48AQI
48AQI
23rd April 2025
37AQI
37AQI
24th April 2025
52AQI
52AQI
25th April 2025
68AQI
68AQI
26th April 2025
58AQI
58AQI
27th April 2025
60AQI
60AQI
28th April 2025
58AQI
58AQI
29th April 2025
54AQI
54AQI
30th April 2025
62AQI
62AQI
1st May 2025
56AQI
56AQI
2nd May 2025
50AQI
50AQI
3rd May 2025
48AQI
48AQI
4th May 2025
49AQI
49AQI
5th May 2025
42AQI
42AQI
6th May 2025
41AQI
41AQI
7th May 2025
42AQI
42AQI
8th May 2025
48AQI
48AQI
9th May 2025
42AQI
42AQI
10th May 2025
34AQI
34AQI
11th May 2025
47AQI
47AQI
12th May 2025
55AQI
55AQI
13th May 2025
64AQI
64AQI
14th May 2025
67AQI
67AQI
15th May 2025
62AQI
62AQI
16th May 2025
58AQI
58AQI
17th May 2025
43AQI
43AQI
18th May 2025
51AQI
51AQI
19th May 2025
58AQI
58AQI
20th May 2025
60AQI
60AQI
21st May 2025
59AQI
59AQI
22nd May 2025
57AQI
57AQI
23rd May 2025
62AQI
62AQI
24th May 2025
43AQI
43AQI
25th May 2025
43AQI
43AQI
26th May 2025
49AQI
49AQI
27th May 2025
49AQI
49AQI
28th May 2025
51AQI
51AQI
29th May 2025
46AQI
46AQI
30th May 2025
42AQI
42AQI
31st May 2025
41AQI
41AQI
1st June 2025
53AQI
53AQI
2nd June 2025
62AQI
62AQI
3rd June 2025
56AQI
56AQI
4th June 2025
51AQI
51AQI
5th June 2025
49AQI
49AQI
6th June 2025
56AQI
56AQI
7th June 2025
63AQI
63AQI
8th June 2025
66AQI
66AQI
9th June 2025
64AQI
64AQI
10th June 2025
61AQI
61AQI
11th June 2025
50AQI
50AQI
12th June 2025
54AQI
54AQI
13th June 2025
58AQI
58AQI
14th June 2025
44AQI
44AQI
15th June 2025
49AQI
49AQI
16th June 2025
46AQI
46AQI
17th June 2025
57AQI
57AQI
18th June 2025
60AQI
60AQI
19th June 2025
62AQI
62AQI
20th June 2025
48AQI
48AQI
21st June 2025
43AQI
43AQI
22nd June 2025
32AQI
32AQI
23rd June 2025
47AQI
47AQI
24th June 2025
45AQI
45AQI
25th June 2025
39AQI
39AQI
26th June 2025
41AQI
41AQI
27th June 2025
47AQI
47AQI
28th June 2025
56AQI
56AQI
29th June 2025
56AQI
56AQI
30th June 2025
51AQI
51AQI
1st July 2025
54AQI
54AQI
2nd July 2025
46AQI
46AQI
3rd July 2025
54AQI
54AQI
4th July 2025
58AQI
58AQI
5th July 2025
57AQI
57AQI
6th July 2025
57AQI
57AQI
7th July 2025
61AQI
61AQI
8th July 2025
57AQI
57AQI
9th July 2025
54AQI
54AQI
10th July 2025
51AQI
51AQI
11th July 2025
52AQI
52AQI
12th July 2025
48AQI
48AQI
13th July 2025
50AQI
50AQI
14th July 2025
42AQI
42AQI
15th July 2025
44AQI
44AQI
16th July 2025
53AQI
53AQI
17th July 2025
48AQI
48AQI
18th July 2025
44AQI
44AQI
19th July 2025
37AQI
37AQI
20th July 2025
46AQI
46AQI
21st July 2025
44AQI
44AQI
22nd July 2025
41AQI
41AQI
23rd July 2025
44AQI
44AQI
24th July 2025
47AQI
47AQI
25th July 2025
45AQI
45AQI
26th July 2025
46AQI
46AQI
27th July 2025
37AQI
37AQI
28th July 2025
40AQI
40AQI
29th July 2025
43AQI
43AQI
30th July 2025
43AQI
43AQI
31st July 2025
47AQI
47AQI
1st August 2025
50AQI
50AQI
2nd August 2025
53AQI
53AQI
3rd August 2025
52AQI
52AQI
58AQI
51AQI
62AQI
56AQI
50AQI
52AQI
48AQI
52AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202554AQI
10
21
18
10
9
21
1
6
24
18
13
13
17
20
11
1
2
95
119
1
Highest AQI recorded in
March62AQI
Lowest AQI recorded in
July48AQI
202449AQI
17
14
19
10
8
21
2
4
22
2
2
14
17
10
20
29
2
28
3
30
30
1
23
7
27
4
239
121
4
2
Highest AQI recorded in
April70AQI
Lowest AQI recorded in
September34AQI
202356AQI
13
16
2
9
19
4
27
7
20
1
2
11
20
12
18
19
12
27
4
28
2
20
11
3
26
9
22
162
197
3
2
Highest AQI recorded in
April71AQI
Lowest AQI recorded in
September39AQI
202255AQI
18
12
1
10
10
1
10
15
4
2
9
21
5
25
1
19
11
17
5
1
28
1
22
9
9
21
4
27
152
157
7
2
Highest AQI recorded in
March72AQI
Lowest AQI recorded in
September39AQI
202149AQI
23
8
13
14
1
14
16
1
14
16
15
15
1
17
13
26
5
24
7
27
3
25
6
15
15
20
10
1
233
128
2
2
Highest AQI recorded in
March61AQI
Lowest AQI recorded in
September36AQI
202047AQI
8
5
13
8
11
7
17
13
29
2
21
10
21
9
24
7
21
9
19
12
184
82
Highest AQI recorded in
June51AQI
Lowest AQI recorded in
July37AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2023(Avg.)
56AQILeast Polluted Year Recorded
2020(Avg.)
47AQIUlchin's annual 2025 AQI (54) shows an average percentage change of 6.1% (worsened AQI) compared to previous years: 2020 (47), 2021 (49), 2022 (55), 2023 (56), 2024 (49).
