Uldo, Sosan, Chungnam, 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
Uldo, Sosan, Chungnam, South Korea
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
31st Aug 2021
85AQILowest AQI recorded on
21st Aug 2024
22AQISame Day Analysis (10th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 52 of Moderate air quality, showing improvement over 2024 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 10th Aug - 11th Aug 2025
Uldo, Sosan, Chungnam, South Korea
AQI
Day
Night
.
5 AM10th Aug 2025
7 PM
4 AM11th Aug 2025
Day time
Avg. Highest Time
12AMNaNth undefined
AQI
Avg. Lowest Time
12AMNaNth undefined
AQI
Night time
Avg. Highest Time
10AM10th Aug
56AQI
Avg. Lowest Time
7PM10th Aug
44AQI
In the last 24 hours,
Uldo's AQI reached its highest point of 56 at 10 AM during the Night, while the lowest point, 44, was recorded at 7 PM during the Night between 10th Aug and 11th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Uldo, Sosan, Chungnam, South Korea
JulAug
12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th
Day
Night
12th Jul 2025585 AMAQI
12th Jul 2025596 AMAQI
12th Jul 2025597 AMAQI
12th Jul 2025588 AMAQI
12th Jul 2025469 AMAQI
12th Jul 20254410 AMAQI
12th Jul 20253911 AMAQI
12th Jul 20254212 PMAQI
12th Jul 2025561 PMAQI
12th Jul 2025562 PMAQI
12th Jul 2025553 PMAQI
12th Jul 2025554 PMAQI
12th Jul 2025545 PMAQI
12th Jul 2025566 PMAQI
12th Jul 2025577 PMAQI
12th Jul 2025578 PMAQI
12th Jul 2025589 PMAQI
12th Jul 20255810 PMAQI
12th Jul 20255911 PMAQI
13th Jul 20255912 AMAQI
13th Jul 2025591 AMAQI
13th Jul 2025592 AMAQI
13th Jul 2025583 AMAQI
13th Jul 2025594 AMAQI
26°C22/30°C
13th Jul 2025585 AMAQI
13th Jul 2025596 AMAQI
13th Jul 2025597 AMAQI
13th Jul 2025588 AMAQI
13th Jul 2025589 AMAQI
13th Jul 20255610 AMAQI
13th Jul 20255611 AMAQI
13th Jul 20255612 PMAQI
13th Jul 2025601 PMAQI
13th Jul 2025582 PMAQI
13th Jul 2025603 PMAQI
13th Jul 2025604 PMAQI
13th Jul 2025605 PMAQI
13th Jul 2025616 PMAQI
13th Jul 2025607 PMAQI
13th Jul 2025618 PMAQI
13th Jul 2025609 PMAQI
13th Jul 20256010 PMAQI
13th Jul 20256111 PMAQI
14th Jul 20256112 AMAQI
14th Jul 2025591 AMAQI
14th Jul 2025602 AMAQI
14th Jul 2025593 AMAQI
14th Jul 2025604 AMAQI
24°C22/25°C
14th Jul 2025605 AMAQI
14th Jul 2025606 AMAQI
14th Jul 2025607 AMAQI
14th Jul 2025608 AMAQI
14th Jul 2025569 AMAQI
14th Jul 20255610 AMAQI
14th Jul 20255611 AMAQI
14th Jul 20255312 PMAQI
14th Jul 2025551 PMAQI
14th Jul 2025542 PMAQI
14th Jul 2025563 PMAQI
14th Jul 2025564 PMAQI
14th Jul 2025525 PMAQI
14th Jul 2025486 PMAQI
14th Jul 2025467 PMAQI
14th Jul 2025508 PMAQI
14th Jul 2025599 PMAQI
14th Jul 20255810 PMAQI
14th Jul 20255811 PMAQI
15th Jul 20255812 AMAQI
15th Jul 2025591 AMAQI
15th Jul 2025602 AMAQI
15th Jul 2025603 AMAQI
15th Jul 2025604 AMAQI
23°C20/26°C
15th Jul 2025605 AMAQI
15th Jul 2025606 AMAQI
15th Jul 2025607 AMAQI
15th Jul 2025608 AMAQI
15th Jul 2025279 AMAQI
15th Jul 20251510 AMAQI
15th Jul 20251811 AMAQI
15th Jul 20252012 PMAQI
15th Jul 2025411 PMAQI
15th Jul 2025402 PMAQI
15th Jul 2025403 PMAQI
15th Jul 2025404 PMAQI
15th Jul 2025395 PMAQI
15th Jul 2025416 PMAQI
15th Jul 2025417 PMAQI
15th Jul 2025438 PMAQI
15th Jul 2025589 PMAQI
15th Jul 20255810 PMAQI
15th Jul 20255811 PMAQI
16th Jul 20255812 AMAQI
16th Jul 2025581 AMAQI
16th Jul 2025582 AMAQI
16th Jul 2025593 AMAQI
16th Jul 2025584 AMAQI
22°C20/25°C
16th Jul 2025585 AMAQI
16th Jul 2025586 AMAQI
16th Jul 2025587 AMAQI
16th Jul 2025588 AMAQI
16th Jul 2025509 AMAQI
16th Jul 20254710 AMAQI
16th Jul 20254711 AMAQI
16th Jul 20254812 PMAQI
16th Jul 2025551 PMAQI
16th Jul 2025572 PMAQI
16th Jul 2025563 PMAQI
16th Jul 2025544 PMAQI
16th Jul 2025525 PMAQI
16th Jul 2025516 PMAQI
16th Jul 2025517 PMAQI
16th Jul 2025518 PMAQI
16th Jul 2025569 PMAQI
16th Jul 20255710 PMAQI
16th Jul 20255711 PMAQI
17th Jul 20255712 AMAQI
17th Jul 2025581 AMAQI
17th Jul 2025582 AMAQI
17th Jul 2025583 AMAQI
17th Jul 2025584 AMAQI
23°C22/24°C
17th Jul 2025575 AMAQI
17th Jul 2025576 AMAQI
17th Jul 2025587 AMAQI
17th Jul 2025578 AMAQI
17th Jul 2025469 AMAQI
17th Jul 20253510 AMAQI
17th Jul 20253311 AMAQI
17th Jul 20253512 PMAQI
17th Jul 2025511 PMAQI
17th Jul 2025522 PMAQI
17th Jul 2025483 PMAQI
17th Jul 2025524 PMAQI
17th Jul 2025545 PMAQI
17th Jul 2025546 PMAQI
17th Jul 2025507 PMAQI
17th Jul 2025528 PMAQI
17th Jul 2025559 PMAQI
17th Jul 20255510 PMAQI
17th Jul 20255511 PMAQI
18th Jul 20255512 AMAQI
18th Jul 2025581 AMAQI
18th Jul 2025572 AMAQI
18th Jul 2025573 AMAQI
18th Jul 2025584 AMAQI
24°C23/25°C
18th Jul 2025575 AMAQI
18th Jul 2025576 AMAQI
18th Jul 2025577 AMAQI
18th Jul 2025578 AMAQI
18th Jul 2025449 AMAQI
18th Jul 20253410 AMAQI
18th Jul 20252411 AMAQI
18th Jul 20252412 PMAQI
18th Jul 2025381 PMAQI
18th Jul 2025392 PMAQI
18th Jul 2025443 PMAQI
18th Jul 2025454 PMAQI
18th Jul 2025465 PMAQI
18th Jul 2025476 PMAQI
18th Jul 2025497 PMAQI
18th Jul 2025508 PMAQI
18th Jul 2025559 PMAQI
18th Jul 20255510 PMAQI
18th Jul 20255411 PMAQI
19th Jul 20255512 AMAQI
19th Jul 2025561 AMAQI
19th Jul 2025572 AMAQI
19th Jul 2025563 AMAQI
19th Jul 2025564 AMAQI
24°C23/24°C
19th Jul 2025555 AMAQI
19th Jul 2025556 AMAQI
19th Jul 2025557 AMAQI
19th Jul 2025568 AMAQI
19th Jul 2025289 AMAQI
19th Jul 20251910 AMAQI
19th Jul 20251811 AMAQI
19th Jul 20253412 PMAQI
19th Jul 2025391 PMAQI
19th Jul 2025402 PMAQI
19th Jul 2025413 PMAQI
19th Jul 2025384 PMAQI
19th Jul 2025395 PMAQI
19th Jul 2025406 PMAQI
19th Jul 2025417 PMAQI
19th Jul 2025478 PMAQI
19th Jul 2025549 PMAQI
19th Jul 20255410 PMAQI
19th Jul 20255411 PMAQI
20th Jul 20255512 AMAQI
20th Jul 2025551 AMAQI
20th Jul 2025552 AMAQI
20th Jul 2025563 AMAQI
20th Jul 2025554 AMAQI
24°C23/26°C
20th Jul 2025545 AMAQI
20th Jul 2025556 AMAQI
20th Jul 2025557 AMAQI
20th Jul 2025558 AMAQI
20th Jul 2025429 AMAQI
20th Jul 20253210 AMAQI
20th Jul 20253711 AMAQI
20th Jul 20253812 PMAQI
20th Jul 2025461 PMAQI
20th Jul 2025462 PMAQI
20th Jul 2025463 PMAQI
20th Jul 2025464 PMAQI
20th Jul 2025465 PMAQI
20th Jul 2025476 PMAQI
20th Jul 2025477 PMAQI
20th Jul 2025518 PMAQI
20th Jul 2025549 PMAQI
20th Jul 20255410 PMAQI
20th Jul 20255411 PMAQI
21st Jul 20255412 AMAQI
21st Jul 2025541 AMAQI
21st Jul 2025552 AMAQI
21st Jul 2025543 AMAQI
21st Jul 2025554 AMAQI
25°C24/27°C
21st Jul 2025545 AMAQI
21st Jul 2025546 AMAQI
21st Jul 2025547 AMAQI
21st Jul 2025558 AMAQI
21st Jul 2025399 AMAQI
21st Jul 20253710 AMAQI
21st Jul 20253711 AMAQI
21st Jul 20254012 PMAQI
21st Jul 2025441 PMAQI
21st Jul 2025462 PMAQI
21st Jul 2025443 PMAQI
21st Jul 2025454 PMAQI
21st Jul 2025415 PMAQI
21st Jul 2025406 PMAQI
21st Jul 2025407 PMAQI
21st Jul 2025458 PMAQI
21st Jul 2025539 PMAQI
21st Jul 20255310 PMAQI
21st Jul 20255311 PMAQI
22nd Jul 20255412 AMAQI
22nd Jul 2025541 AMAQI
22nd Jul 2025542 AMAQI
22nd Jul 2025543 AMAQI
22nd Jul 2025544 AMAQI
25°C24/28°C
22nd Jul 2025555 AMAQI
22nd Jul 2025546 AMAQI
22nd Jul 2025547 AMAQI
22nd Jul 2025548 AMAQI
22nd Jul 2025299 AMAQI
22nd Jul 20252210 AMAQI
22nd Jul 20252711 AMAQI
22nd Jul 20253812 PMAQI
22nd Jul 2025461 PMAQI
22nd Jul 2025472 PMAQI
22nd Jul 2025463 PMAQI
22nd Jul 2025464 PMAQI
22nd Jul 2025445 PMAQI
22nd Jul 2025506 PMAQI
22nd Jul 2025477 PMAQI
22nd Jul 2025468 PMAQI
22nd Jul 2025529 PMAQI
22nd Jul 20255210 PMAQI
22nd Jul 20255211 PMAQI
23rd Jul 20255212 AMAQI
23rd Jul 2025521 AMAQI
23rd Jul 2025522 AMAQI
23rd Jul 2025533 AMAQI
23rd Jul 2025534 AMAQI
26°C24/28°C
23rd Jul 2025535 AMAQI
23rd Jul 2025536 AMAQI
23rd Jul 2025537 AMAQI
23rd Jul 2025538 AMAQI
23rd Jul 2025339 AMAQI
23rd Jul 20252610 AMAQI
23rd Jul 20252611 AMAQI
23rd Jul 20253212 PMAQI
23rd Jul 2025481 PMAQI
23rd Jul 2025442 PMAQI
23rd Jul 2025423 PMAQI
23rd Jul 2025414 PMAQI
23rd Jul 2025415 PMAQI
23rd Jul 2025456 PMAQI
23rd Jul 2025467 PMAQI
23rd Jul 2025428 PMAQI
23rd Jul 2025519 PMAQI
23rd Jul 20255210 PMAQI
23rd Jul 20255111 PMAQI
24th Jul 20255112 AMAQI
24th Jul 2025521 AMAQI
24th Jul 2025522 AMAQI
24th Jul 2025523 AMAQI
24th Jul 2025524 AMAQI
26°C24/29°C
24th Jul 2025525 AMAQI
24th Jul 2025526 AMAQI
24th Jul 2025527 AMAQI
24th Jul 2025528 AMAQI
24th Jul 2025389 AMAQI
24th Jul 20253210 AMAQI
24th Jul 20253711 AMAQI
24th Jul 20253612 PMAQI
24th Jul 2025441 PMAQI
24th Jul 2025462 PMAQI
24th Jul 2025493 PMAQI
24th Jul 2025494 PMAQI
24th Jul 2025515 PMAQI
24th Jul 2025526 PMAQI
24th Jul 2025527 PMAQI
24th Jul 2025488 PMAQI
24th Jul 2025529 PMAQI
24th Jul 20255210 PMAQI
24th Jul 20255211 PMAQI
25th Jul 20255212 AMAQI
25th Jul 2025521 AMAQI
25th Jul 2025522 AMAQI
25th Jul 2025523 AMAQI
25th Jul 2025514 AMAQI
26°C24/30°C
25th Jul 2025515 AMAQI
25th Jul 2025516 AMAQI
25th Jul 2025517 AMAQI
25th Jul 2025528 AMAQI
25th Jul 2025549 AMAQI
25th Jul 20255810 AMAQI
25th Jul 20256211 AMAQI
25th Jul 20256212 PMAQI
25th Jul 2025641 PMAQI
25th Jul 2025692 PMAQI
25th Jul 2025683 PMAQI
25th Jul 2025624 PMAQI
25th Jul 2025675 PMAQI
25th Jul 2025686 PMAQI
25th Jul 2025687 PMAQI
25th Jul 2025678 PMAQI
25th Jul 2025579 PMAQI
25th Jul 20255610 PMAQI
25th Jul 20255611 PMAQI
26th Jul 20255412 AMAQI
26th Jul 2025511 AMAQI
26th Jul 2025512 AMAQI
26th Jul 2025523 AMAQI
26th Jul 2025524 AMAQI
27°C24/32°C
26th Jul 2025525 AMAQI
26th Jul 2025526 AMAQI
26th Jul 2025527 AMAQI
26th Jul 2025528 AMAQI
26th Jul 2025669 AMAQI
26th Jul 20257010 AMAQI
26th Jul 20256611 AMAQI
26th Jul 20257112 PMAQI
26th Jul 2025721 PMAQI
26th Jul 2025702 PMAQI
26th Jul 2025673 PMAQI
26th Jul 2025744 PMAQI
26th Jul 2025705 PMAQI
26th Jul 2025736 PMAQI
26th Jul 2025787 PMAQI
26th Jul 2025688 PMAQI
26th Jul 2025599 PMAQI
26th Jul 20256010 PMAQI
26th Jul 20256111 PMAQI
27th Jul 20255912 AMAQI
27th Jul 2025551 AMAQI
27th Jul 2025542 AMAQI
27th Jul 2025543 AMAQI
27th Jul 2025544 AMAQI
28°C25/32°C
27th Jul 2025555 AMAQI
27th Jul 2025566 AMAQI
27th Jul 2025567 AMAQI
27th Jul 2025568 AMAQI
27th Jul 2025659 AMAQI
27th Jul 20257910 AMAQI
27th Jul 20257611 AMAQI
27th Jul 20256812 PMAQI
27th Jul 2025661 PMAQI
27th Jul 2025602 PMAQI
27th Jul 2025503 PMAQI
27th Jul 2025514 PMAQI
27th Jul 2025545 PMAQI
27th Jul 2025556 PMAQI
27th Jul 2025567 PMAQI
27th Jul 2025568 PMAQI
27th Jul 2025589 PMAQI
27th Jul 20255910 PMAQI
27th Jul 20255911 PMAQI
28th Jul 20255812 AMAQI
28th Jul 2025571 AMAQI
28th Jul 2025582 AMAQI
28th Jul 2025573 AMAQI
28th Jul 2025584 AMAQI
28°C26/31°C
28th Jul 2025585 AMAQI
28th Jul 2025586 AMAQI
28th Jul 2025587 AMAQI
28th Jul 2025588 AMAQI
28th Jul 2025629 AMAQI
28th Jul 20256910 AMAQI
28th Jul 20256911 AMAQI
28th Jul 20256612 PMAQI
28th Jul 2025621 PMAQI
28th Jul 2025652 PMAQI
28th Jul 2025613 PMAQI
28th Jul 2025564 PMAQI
28th Jul 2025575 PMAQI
28th Jul 2025546 PMAQI
28th Jul 2025547 PMAQI
28th Jul 2025548 PMAQI
28th Jul 2025569 PMAQI
28th Jul 20255710 PMAQI
28th Jul 20255711 PMAQI
29th Jul 20255612 AMAQI
29th Jul 2025581 AMAQI
29th Jul 2025572 AMAQI
29th Jul 2025583 AMAQI
29th Jul 2025584 AMAQI
27°C25/31°C
29th Jul 2025585 AMAQI
29th Jul 2025596 AMAQI
29th Jul 2025597 AMAQI
29th Jul 2025598 AMAQI
29th Jul 2025569 AMAQI
29th Jul 20255610 AMAQI
29th Jul 20255411 AMAQI
29th Jul 20255412 PMAQI
29th Jul 2025561 PMAQI
29th Jul 2025552 PMAQI
29th Jul 2025573 PMAQI
29th Jul 2025604 PMAQI
29th Jul 2025585 PMAQI
29th Jul 2025566 PMAQI
29th Jul 2025567 PMAQI
29th Jul 2025558 PMAQI
29th Jul 2025559 PMAQI
29th Jul 20255610 PMAQI
29th Jul 20255811 PMAQI
30th Jul 20255812 AMAQI
30th Jul 2025561 AMAQI
30th Jul 2025572 AMAQI
30th Jul 2025573 AMAQI
30th Jul 2025574 AMAQI
27°C25/30°C
30th Jul 2025565 AMAQI
30th Jul 2025576 AMAQI
30th Jul 2025577 AMAQI
30th Jul 2025578 AMAQI
30th Jul 2025709 AMAQI
30th Jul 20256810 AMAQI
30th Jul 20256811 AMAQI
30th Jul 20257012 PMAQI
30th Jul 2025651 PMAQI
30th Jul 2025612 PMAQI
30th Jul 2025633 PMAQI
30th Jul 2025644 PMAQI
30th Jul 2025605 PMAQI
30th Jul 2025586 PMAQI
30th Jul 2025587 PMAQI
30th Jul 2025608 PMAQI
30th Jul 2025599 PMAQI
30th Jul 20255910 PMAQI
30th Jul 20256111 PMAQI
31st Jul 20255912 AMAQI
31st Jul 2025571 AMAQI
31st Jul 2025582 AMAQI
31st Jul 2025583 AMAQI
31st Jul 2025574 AMAQI
28°C25/31°C
31st Jul 2025575 AMAQI
31st Jul 2025576 AMAQI
31st Jul 2025577 AMAQI
31st Jul 2025578 AMAQI
31st Jul 2025579 AMAQI
31st Jul 20255710 AMAQI
31st Jul 20256011 AMAQI
31st Jul 20256412 PMAQI
31st Jul 2025681 PMAQI
31st Jul 2025712 PMAQI
31st Jul 2025663 PMAQI
31st Jul 2025674 PMAQI
31st Jul 2025675 PMAQI
31st Jul 2025626 PMAQI
31st Jul 2025607 PMAQI
31st Jul 2025608 PMAQI
31st Jul 2025569 PMAQI
31st Jul 20256210 PMAQI
31st Jul 20256211 PMAQI
1st Aug 20255612 AMAQI
1st Aug 2025581 AMAQI
1st Aug 2025542 AMAQI
1st Aug 2025543 AMAQI
1st Aug 2025574 AMAQI
27°C25/30°C
1st Aug 2025555 AMAQI
1st Aug 2025586 AMAQI
1st Aug 2025587 AMAQI
1st Aug 2025568 AMAQI
1st Aug 2025819 AMAQI
1st Aug 20256910 AMAQI
1st Aug 20257311 AMAQI
1st Aug 20256812 PMAQI
1st Aug 2025621 PMAQI
1st Aug 2025682 PMAQI
1st Aug 2025693 PMAQI
1st Aug 2025664 PMAQI
1st Aug 2025705 PMAQI
1st Aug 2025646 PMAQI
1st Aug 2025607 PMAQI
1st Aug 2025608 PMAQI
1st Aug 2025559 PMAQI
1st Aug 20255810 PMAQI
1st Aug 20255911 PMAQI
2nd Aug 20255612 AMAQI
2nd Aug 2025551 AMAQI
2nd Aug 2025552 AMAQI
2nd Aug 2025553 AMAQI
2nd Aug 2025564 AMAQI
27°C25/30°C
2nd Aug 2025565 AMAQI
2nd Aug 2025566 AMAQI
2nd Aug 2025577 AMAQI
2nd Aug 2025588 AMAQI
2nd Aug 2025819 AMAQI
2nd Aug 20258110 AMAQI
2nd Aug 20257711 AMAQI
2nd Aug 20258412 PMAQI
2nd Aug 2025651 PMAQI
2nd Aug 2025722 PMAQI
2nd Aug 2025663 PMAQI
2nd Aug 2025684 PMAQI
2nd Aug 2025705 PMAQI
2nd Aug 2025686 PMAQI
2nd Aug 2025647 PMAQI
2nd Aug 2025638 PMAQI
2nd Aug 2025589 PMAQI
2nd Aug 20255910 PMAQI
2nd Aug 20255911 PMAQI
3rd Aug 20255612 AMAQI
3rd Aug 2025541 AMAQI
3rd Aug 2025552 AMAQI
3rd Aug 2025553 AMAQI
3rd Aug 2025584 AMAQI
27°C25/30°C
3rd Aug 2025565 AMAQI
3rd Aug 2025586 AMAQI
3rd Aug 2025587 AMAQI
3rd Aug 2025598 AMAQI
3rd Aug 2025619 AMAQI
3rd Aug 20256210 AMAQI
3rd Aug 20256711 AMAQI
3rd Aug 20257212 PMAQI
3rd Aug 2025741 PMAQI
3rd Aug 2025642 PMAQI
3rd Aug 2025713 PMAQI
3rd Aug 2025664 PMAQI
3rd Aug 2025605 PMAQI
3rd Aug 2025616 PMAQI
3rd Aug 2025567 PMAQI
3rd Aug 2025548 PMAQI
3rd Aug 2025589 PMAQI
3rd Aug 20255610 PMAQI
3rd Aug 20255411 PMAQI
4th Aug 20255612 AMAQI
4th Aug 2025561 AMAQI
4th Aug 2025562 AMAQI
4th Aug 2025573 AMAQI
4th Aug 2025584 AMAQI
26°C23/27°C
4th Aug 2025575 AMAQI
4th Aug 2025596 AMAQI
4th Aug 2025607 AMAQI
4th Aug 2025608 AMAQI
4th Aug 2025459 AMAQI
4th Aug 20255210 AMAQI
4th Aug 20255611 AMAQI
4th Aug 20255212 PMAQI
4th Aug 2025511 PMAQI
4th Aug 2025482 PMAQI
4th Aug 2025443 PMAQI
4th Aug 2025454 PMAQI
4th Aug 2025495 PMAQI
4th Aug 2025506 PMAQI
4th Aug 2025427 PMAQI
4th Aug 2025498 PMAQI
4th Aug 2025559 PMAQI
4th Aug 20255710 PMAQI
4th Aug 20255611 PMAQI
5th Aug 20255612 AMAQI
5th Aug 2025561 AMAQI
5th Aug 2025562 AMAQI
5th Aug 2025563 AMAQI
5th Aug 2025564 AMAQI
26°C24/28°C
5th Aug 2025565 AMAQI
5th Aug 2025566 AMAQI
5th Aug 2025557 AMAQI
5th Aug 2025558 AMAQI
5th Aug 2025429 AMAQI
5th Aug 20255310 AMAQI
5th Aug 20255411 AMAQI
5th Aug 20255212 PMAQI
5th Aug 2025461 PMAQI
5th Aug 2025452 PMAQI
5th Aug 2025423 PMAQI
5th Aug 2025444 PMAQI
5th Aug 2025465 PMAQI
5th Aug 2025426 PMAQI
5th Aug 2025447 PMAQI
5th Aug 2025468 PMAQI
5th Aug 2025509 PMAQI
5th Aug 20255010 PMAQI
5th Aug 20254911 PMAQI
6th Aug 20255112 AMAQI
6th Aug 2025541 AMAQI
6th Aug 2025542 AMAQI
6th Aug 2025543 AMAQI
6th Aug 2025544 AMAQI
26°C24/28°C
6th Aug 2025545 AMAQI
6th Aug 2025546 AMAQI
6th Aug 2025547 AMAQI
6th Aug 2025548 AMAQI
6th Aug 2025449 AMAQI
6th Aug 20254610 AMAQI
6th Aug 20254611 AMAQI
6th Aug 20255012 PMAQI
6th Aug 2025421 PMAQI
6th Aug 2025402 PMAQI
6th Aug 2025463 PMAQI
6th Aug 2025434 PMAQI
6th Aug 2025405 PMAQI
6th Aug 2025466 PMAQI
6th Aug 2025427 PMAQI
6th Aug 2025468 PMAQI
6th Aug 2025509 PMAQI
6th Aug 20255110 PMAQI
6th Aug 20255211 PMAQI
7th Aug 20255212 AMAQI
7th Aug 2025531 AMAQI
7th Aug 2025532 AMAQI
7th Aug 2025533 AMAQI
7th Aug 2025524 AMAQI
26°C25/29°C
7th Aug 2025525 AMAQI
7th Aug 2025526 AMAQI
7th Aug 2025527 AMAQI
7th Aug 2025528 AMAQI
7th Aug 2025429 AMAQI
7th Aug 20254810 AMAQI
7th Aug 20255311 AMAQI
7th Aug 20254712 PMAQI
7th Aug 2025531 PMAQI
7th Aug 2025482 PMAQI
7th Aug 2025413 PMAQI
7th Aug 2025394 PMAQI
7th Aug 2025395 PMAQI
7th Aug 2025406 PMAQI
7th Aug 2025387 PMAQI
7th Aug 2025438 PMAQI
7th Aug 2025509 PMAQI
7th Aug 20255110 PMAQI
7th Aug 20255011 PMAQI
8th Aug 20255112 AMAQI
8th Aug 2025521 AMAQI
8th Aug 2025522 AMAQI
8th Aug 2025523 AMAQI
8th Aug 2025524 AMAQI
25°C23/27°C
8th Aug 2025525 AMAQI
8th Aug 2025526 AMAQI
8th Aug 2025527 AMAQI
8th Aug 2025528 AMAQI
8th Aug 2025429 AMAQI
8th Aug 20254010 AMAQI
8th Aug 20254411 AMAQI
8th Aug 20254612 PMAQI
8th Aug 2025451 PMAQI
8th Aug 2025442 PMAQI
8th Aug 2025463 PMAQI
8th Aug 2025494 PMAQI
8th Aug 2025445 PMAQI
8th Aug 2025446 PMAQI
8th Aug 2025427 PMAQI
8th Aug 2025468 PMAQI
8th Aug 2025519 PMAQI
8th Aug 20255210 PMAQI
8th Aug 20255211 PMAQI
9th Aug 20255212 AMAQI
9th Aug 2025521 AMAQI
9th Aug 2025522 AMAQI
9th Aug 2025523 AMAQI
9th Aug 2025524 AMAQI
25°C22/27°C
9th Aug 2025525 AMAQI
9th Aug 2025526 AMAQI
9th Aug 2025517 AMAQI
9th Aug 2025528 AMAQI
9th Aug 2025479 AMAQI
9th Aug 20254610 AMAQI
9th Aug 20255311 AMAQI
9th Aug 20255212 PMAQI
9th Aug 2025511 PMAQI
9th Aug 2025502 PMAQI
9th Aug 2025523 PMAQI
9th Aug 2025504 PMAQI
9th Aug 2025495 PMAQI
9th Aug 2025456 PMAQI
9th Aug 2025457 PMAQI
9th Aug 2025488 PMAQI
9th Aug 2025529 PMAQI
9th Aug 20255210 PMAQI
9th Aug 20255211 PMAQI
10th Aug 20255212 AMAQI
10th Aug 2025521 AMAQI
10th Aug 2025522 AMAQI
10th Aug 2025523 AMAQI
10th Aug 2025524 AMAQI
24°C21/25°C
10th Aug 2025525 AMAQI
10th Aug 2025526 AMAQI
10th Aug 2025527 AMAQI
10th Aug 2025528 AMAQI
10th Aug 2025539 AMAQI
10th Aug 20255610 AMAQI
10th Aug 20255411 AMAQI
10th Aug 20255412 PMAQI
10th Aug 2025551 PMAQI
10th Aug 2025522 PMAQI
10th Aug 2025533 PMAQI
10th Aug 2025544 PMAQI
10th Aug 2025515 PMAQI
10th Aug 2025486 PMAQI
10th Aug 2025447 PMAQI
10th Aug 2025488 PMAQI
10th Aug 2025529 PMAQI
10th Aug 20255210 PMAQI
10th Aug 20255211 PMAQI
11th Aug 20255212 AMAQI
11th Aug 2025531 AMAQI
11th Aug 2025522 AMAQI
11th Aug 2025523 AMAQI
11th Aug 2025524 AMAQI
--°C/°C
11th Aug 2025525 AMAQI
5 AM11th Aug 2025526 AMAQI
12 PM
7 PM
12 AM
4 AM
--°C/°C
Day time
Avg. Highest Time
5 AM - 8 AM
56AQI
4 hours / Day
120 hours / Month
Avg. Lowest Time
9 AM - 12 PM
50AQI
4 hours / Day
120 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 5 AM to 8 AM (Avg. 56), while the lowest AQI was between 9 AM to 12 PM (Avg. 50).
Night time
Avg. Highest Time
12 AM - 4 AM
55AQI
5 hours / Day
150 hours / Month
Avg. Lowest Time
8 PM
52AQI
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. 55), while the lowest AQI was between 8 PM to 8 PM (Avg. 52).
2025 Days Vs Air Quality
Uldo, Sosan, Chungnam, South Korea
2025
10%
23
83%
185
6%
14
Total number of days with different AQI categories in last 222 days in 2025 (143 days remaining)
Good
23 DaysModerate
185 DaysPoor
14 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 10%
Health Risk Level:
Extreme
In 2025, 10% of 222 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
Uldo, Sosan, Chungnam, 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
81AQI
81AQI
2nd January 2025
51AQI
51AQI
3rd January 2025
59AQI
59AQI
4th January 2025
58AQI
58AQI
5th January 2025
87AQI
87AQI
6th January 2025
87AQI
87AQI
7th January 2025
64AQI
64AQI
8th January 2025
68AQI
68AQI
9th January 2025
51AQI
51AQI
10th January 2025
55AQI
55AQI
11th January 2025
57AQI
57AQI
12th January 2025
66AQI
66AQI
13th January 2025
84AQI
84AQI
14th January 2025
104AQI
104AQI
15th January 2025
59AQI
59AQI
16th January 2025
81AQI
81AQI
17th January 2025
61AQI
61AQI
18th January 2025
66AQI
66AQI
19th January 2025
72AQI
72AQI
20th January 2025
122AQI
122AQI
21st January 2025
92AQI
92AQI
22nd January 2025
114AQI
114AQI
23rd January 2025
76AQI
76AQI
24th January 2025
98AQI
98AQI
25th January 2025
73AQI
73AQI
26th January 2025
65AQI
65AQI
27th January 2025
76AQI
76AQI
28th January 2025
64AQI
64AQI
29th January 2025
67AQI
67AQI
30th January 2025
60AQI
60AQI
31st January 2025
77AQI
77AQI
1st February 2025
82AQI
82AQI
2nd February 2025
98AQI
98AQI
3rd February 2025
65AQI
65AQI
4th February 2025
60AQI
60AQI
5th February 2025
52AQI
52AQI
6th February 2025
56AQI
56AQI
7th February 2025
53AQI
53AQI
8th February 2025
51AQI
51AQI
9th February 2025
53AQI
53AQI
10th February 2025
59AQI
59AQI
11th February 2025
75AQI
75AQI
12th February 2025
68AQI
68AQI
13th February 2025
62AQI
62AQI
14th February 2025
88AQI
88AQI
15th February 2025
66AQI
66AQI
16th February 2025
106AQI
106AQI
17th February 2025
54AQI
54AQI
18th February 2025
67AQI
67AQI
19th February 2025
52AQI
52AQI
20th February 2025
57AQI
57AQI
21st February 2025
58AQI
58AQI
22nd February 2025
62AQI
62AQI
23rd February 2025
59AQI
59AQI
24th February 2025
60AQI
60AQI
25th February 2025
63AQI
63AQI
26th February 2025
68AQI
68AQI
27th February 2025
70AQI
70AQI
28th February 2025
73AQI
73AQI
1st March 2025
102AQI
102AQI
2nd March 2025
100AQI
100AQI
3rd March 2025
62AQI
62AQI
4th March 2025
58AQI
58AQI
5th March 2025
48AQI
48AQI
6th March 2025
91AQI
91AQI
7th March 2025
80AQI
80AQI
8th March 2025
84AQI
84AQI
9th March 2025
83AQI
83AQI
10th March 2025
110AQI
110AQI
11th March 2025
105AQI
105AQI
12th March 2025
103AQI
103AQI
13th March 2025
84AQI
84AQI
14th March 2025
79AQI
79AQI
15th March 2025
74AQI
74AQI
16th March 2025
79AQI
79AQI
17th March 2025
75AQI
75AQI
18th March 2025
92AQI
92AQI
19th March 2025
83AQI
83AQI
20th March 2025
97AQI
97AQI
21st March 2025
109AQI
109AQI
22nd March 2025
121AQI
121AQI
23rd March 2025
122AQI
122AQI
24th March 2025
121AQI
121AQI
25th March 2025
118AQI
118AQI
26th March 2025
106AQI
106AQI
27th March 2025
97AQI
97AQI
28th March 2025
72AQI
72AQI
29th March 2025
63AQI
63AQI
30th March 2025
58AQI
58AQI
31st March 2025
74AQI
74AQI
1st April 2025
74AQI
74AQI
2nd April 2025
79AQI
79AQI
3rd April 2025
92AQI
92AQI
4th April 2025
90AQI
90AQI
5th April 2025
82AQI
82AQI
6th April 2025
79AQI
79AQI
7th April 2025
82AQI
82AQI
8th April 2025
84AQI
84AQI
9th April 2025
81AQI
81AQI
10th April 2025
88AQI
88AQI
11th April 2025
77AQI
77AQI
12th April 2025
78AQI
78AQI
13th April 2025
68AQI
68AQI
14th April 2025
60AQI
60AQI
15th April 2025
69AQI
69AQI
16th April 2025
70AQI
70AQI
17th April 2025
73AQI
73AQI
18th April 2025
68AQI
68AQI
19th April 2025
53AQI
53AQI
20th April 2025
71AQI
71AQI
21st April 2025
68AQI
68AQI
22nd April 2025
54AQI
54AQI
23rd April 2025
56AQI
56AQI
24th April 2025
69AQI
69AQI
25th April 2025
55AQI
55AQI
26th April 2025
62AQI
62AQI
27th April 2025
56AQI
56AQI
28th April 2025
79AQI
79AQI
29th April 2025
69AQI
69AQI
30th April 2025
67AQI
67AQI
1st May 2025
66AQI
66AQI
2nd May 2025
60AQI
60AQI
3rd May 2025
57AQI
57AQI
4th May 2025
57AQI
57AQI
5th May 2025
62AQI
62AQI
6th May 2025
55AQI
55AQI
7th May 2025
60AQI
60AQI
8th May 2025
65AQI
65AQI
9th May 2025
56AQI
56AQI
10th May 2025
65AQI
65AQI
11th May 2025
75AQI
75AQI
12th May 2025
78AQI
78AQI
13th May 2025
77AQI
77AQI
14th May 2025
72AQI
72AQI
15th May 2025
61AQI
61AQI
16th May 2025
47AQI
47AQI
17th May 2025
44AQI
44AQI
18th May 2025
57AQI
57AQI
19th May 2025
58AQI
58AQI
20th May 2025
39AQI
39AQI
21st May 2025
39AQI
39AQI
22nd May 2025
51AQI
51AQI
23rd May 2025
62AQI
62AQI
24th May 2025
58AQI
58AQI
25th May 2025
55AQI
55AQI
26th May 2025
68AQI
68AQI
27th May 2025
68AQI
68AQI
28th May 2025
63AQI
63AQI
29th May 2025
69AQI
69AQI
30th May 2025
72AQI
72AQI
31st May 2025
71AQI
71AQI
1st June 2025
66AQI
66AQI
2nd June 2025
72AQI
72AQI
3rd June 2025
62AQI
62AQI
4th June 2025
56AQI
56AQI
5th June 2025
52AQI
52AQI
6th June 2025
56AQI
56AQI
7th June 2025
55AQI
55AQI
8th June 2025
50AQI
50AQI
9th June 2025
49AQI
49AQI
10th June 2025
43AQI
43AQI
11th June 2025
57AQI
57AQI
12th June 2025
57AQI
57AQI
13th June 2025
57AQI
57AQI
14th June 2025
64AQI
64AQI
15th June 2025
51AQI
51AQI
16th June 2025
53AQI
53AQI
17th June 2025
55AQI
55AQI
18th June 2025
57AQI
57AQI
19th June 2025
56AQI
56AQI
20th June 2025
49AQI
49AQI
21st June 2025
55AQI
55AQI
22nd June 2025
61AQI
61AQI
23rd June 2025
59AQI
59AQI
24th June 2025
65AQI
65AQI
25th June 2025
56AQI
56AQI
26th June 2025
55AQI
55AQI
27th June 2025
63AQI
63AQI
28th June 2025
57AQI
57AQI
29th June 2025
52AQI
52AQI
30th June 2025
50AQI
50AQI
1st July 2025
48AQI
48AQI
2nd July 2025
52AQI
52AQI
3rd July 2025
48AQI
48AQI
4th July 2025
52AQI
52AQI
5th July 2025
49AQI
49AQI
6th July 2025
51AQI
51AQI
7th July 2025
53AQI
53AQI
8th July 2025
61AQI
61AQI
9th July 2025
61AQI
61AQI
10th July 2025
59AQI
59AQI
11th July 2025
57AQI
57AQI
12th July 2025
56AQI
56AQI
13th July 2025
59AQI
59AQI
14th July 2025
57AQI
57AQI
15th July 2025
49AQI
49AQI
16th July 2025
55AQI
55AQI
17th July 2025
53AQI
53AQI
18th July 2025
50AQI
50AQI
19th July 2025
48AQI
48AQI
20th July 2025
51AQI
51AQI
21st July 2025
49AQI
49AQI
22nd July 2025
49AQI
49AQI
23rd July 2025
47AQI
47AQI
24th July 2025
49AQI
49AQI
25th July 2025
57AQI
57AQI
26th July 2025
61AQI
61AQI
27th July 2025
59AQI
59AQI
28th July 2025
59AQI
59AQI
29th July 2025
57AQI
57AQI
30th July 2025
60AQI
60AQI
31st July 2025
60AQI
60AQI
1st August 2025
61AQI
61AQI
2nd August 2025
63AQI
63AQI
3rd August 2025
59AQI
59AQI
4th August 2025
54AQI
54AQI
5th August 2025
51AQI
51AQI
6th August 2025
49AQI
49AQI
7th August 2025
49AQI
49AQI
8th August 2025
49AQI
49AQI
9th August 2025
51AQI
51AQI
10th August 2025
52AQI
52AQI
74AQI
66AQI
89AQI
72AQI
61AQI
56AQI
54AQI
54AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202567AQI
28
3
27
1
1
20
10
30
4
27
5
25
10
21
3
7
23
185
14
Highest AQI recorded in
March89AQI
Lowest AQI recorded in
August54AQI
202460AQI
9
16
6
7
13
9
2
25
3
1
3
26
1
7
14
11
19
24
6
1
14
17
21
9
10
20
1
5
25
5
26
118
216
21
1
Highest AQI recorded in
March76AQI
Lowest AQI recorded in
July41AQI
202364AQI
8
16
5
2
1
18
9
1
22
8
1
22
6
1
8
21
2
12
18
17
14
27
4
24
6
13
17
1
12
16
1
8
19
4
132
193
36
3
Highest AQI recorded in
February89AQI
Lowest AQI recorded in
September40AQI
202263AQI
2
1
7
9
4
1
7
19
4
1
4
17
6
3
11
20
22
8
8
14
1
13
13
1
15
13
3
8
17
3
2
9
21
1
107
152
22
7
Highest AQI recorded in
April81AQI
Lowest AQI recorded in
August36AQI
202166AQI
2
1
4
20
5
1
1
6
19
5
13
16
2
10
21
15
15
6
24
1
11
16
3
12
13
6
77
146
23
1
1
Highest AQI recorded in
April95AQI
Lowest AQI recorded in
September52AQI
Most & Least Polluted Years Over the Last 5 Years
Most Polluted Year Recorded
2025(Avg.)
67AQILeast Polluted Year Recorded
2024(Avg.)
60AQIUldo's annual 2025 AQI (67) shows an average percentage change of 6.1% (worsened AQI) compared to previous years: 2021 (66), 2022 (63), 2023 (64), 2024 (60).
