Hosan, 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
Hosan, Chungnam, South Korea
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
2nd Aug 2023
91AQILowest AQI recorded on
9th Aug 2023
26AQISame Day Analysis (10th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 51 of Moderate air quality, showing improvement over 2024 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 11th Aug - 12th Aug 2025
Hosan, Chungnam, South Korea
AQI
Day
Night
.
5 AM11th Aug 2025
7 PM
4 AM12th Aug 2025
Day time
Avg. Highest Time
12AMNaNth undefined
AQI
Avg. Lowest Time
12AMNaNth undefined
AQI
Night time
Avg. Highest Time
12PM11th Aug
69AQI
Avg. Lowest Time
11PM11th Aug
40AQI
In the last 24 hours,
Hosan's AQI reached its highest point of 69 at 12 PM during the Night, while the lowest point, undefined, was recorded at 4 AM during the Night between 11th Aug and 12th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Hosan, Chungnam, South Korea
JulAug
13th - 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 - 12th12th
Day
Night
13th Jul 2025555 AMAQI
13th Jul 2025556 AMAQI
13th Jul 2025557 AMAQI
13th Jul 2025558 AMAQI
13th Jul 2025599 AMAQI
13th Jul 20256410 AMAQI
13th Jul 20256211 AMAQI
13th Jul 20256412 PMAQI
13th Jul 2025651 PMAQI
13th Jul 2025662 PMAQI
13th Jul 2025693 PMAQI
13th Jul 2025704 PMAQI
13th Jul 2025725 PMAQI
13th Jul 2025736 PMAQI
13th Jul 2025737 PMAQI
13th Jul 2025728 PMAQI
13th Jul 2025639 PMAQI
13th Jul 20256410 PMAQI
13th Jul 20256211 PMAQI
14th Jul 20255812 AMAQI
14th Jul 2025561 AMAQI
14th Jul 2025562 AMAQI
14th Jul 2025563 AMAQI
14th Jul 2025564 AMAQI
23°C19/26°C
14th Jul 2025575 AMAQI
14th Jul 2025576 AMAQI
14th Jul 2025577 AMAQI
14th Jul 2025578 AMAQI
14th Jul 2025629 AMAQI
14th Jul 20256510 AMAQI
14th Jul 20257011 AMAQI
14th Jul 20257012 PMAQI
14th Jul 2025651 PMAQI
14th Jul 2025612 PMAQI
14th Jul 2025613 PMAQI
14th Jul 2025594 PMAQI
14th Jul 2025495 PMAQI
14th Jul 2025476 PMAQI
14th Jul 2025467 PMAQI
14th Jul 2025488 PMAQI
14th Jul 2025539 PMAQI
14th Jul 20255310 PMAQI
14th Jul 20255311 PMAQI
15th Jul 20255312 AMAQI
15th Jul 2025561 AMAQI
15th Jul 2025572 AMAQI
15th Jul 2025573 AMAQI
15th Jul 2025584 AMAQI
23°C20/28°C
15th Jul 2025585 AMAQI
15th Jul 2025586 AMAQI
15th Jul 2025587 AMAQI
15th Jul 2025588 AMAQI
15th Jul 2025339 AMAQI
15th Jul 20252510 AMAQI
15th Jul 20252411 AMAQI
15th Jul 20252412 PMAQI
15th Jul 2025291 PMAQI
15th Jul 2025292 PMAQI
15th Jul 2025313 PMAQI
15th Jul 2025304 PMAQI
15th Jul 2025315 PMAQI
15th Jul 2025296 PMAQI
15th Jul 2025317 PMAQI
15th Jul 2025388 PMAQI
15th Jul 2025509 PMAQI
15th Jul 20255010 PMAQI
15th Jul 20255211 PMAQI
16th Jul 20255212 AMAQI
16th Jul 2025551 AMAQI
16th Jul 2025562 AMAQI
16th Jul 2025573 AMAQI
16th Jul 2025554 AMAQI
22°C19/26°C
16th Jul 2025545 AMAQI
16th Jul 2025546 AMAQI
16th Jul 2025547 AMAQI
16th Jul 2025548 AMAQI
16th Jul 2025589 AMAQI
16th Jul 20255810 AMAQI
16th Jul 20255711 AMAQI
16th Jul 20255612 PMAQI
16th Jul 2025531 PMAQI
16th Jul 2025492 PMAQI
16th Jul 2025483 PMAQI
16th Jul 2025484 PMAQI
16th Jul 2025495 PMAQI
16th Jul 2025456 PMAQI
16th Jul 2025447 PMAQI
16th Jul 2025508 PMAQI
16th Jul 2025559 PMAQI
16th Jul 20255510 PMAQI
16th Jul 20255511 PMAQI
17th Jul 20255412 AMAQI
17th Jul 2025551 AMAQI
17th Jul 2025552 AMAQI
17th Jul 2025553 AMAQI
17th Jul 2025554 AMAQI
21°C20/25°C
17th Jul 2025555 AMAQI
17th Jul 2025556 AMAQI
17th Jul 2025557 AMAQI
17th Jul 2025558 AMAQI
17th Jul 2025479 AMAQI
17th Jul 20254310 AMAQI
17th Jul 20254611 AMAQI
17th Jul 20253112 PMAQI
17th Jul 2025291 PMAQI
17th Jul 2025292 PMAQI
17th Jul 2025283 PMAQI
17th Jul 2025284 PMAQI
17th Jul 2025285 PMAQI
17th Jul 2025276 PMAQI
17th Jul 2025267 PMAQI
17th Jul 2025328 PMAQI
17th Jul 2025489 PMAQI
17th Jul 20254810 PMAQI
17th Jul 20254911 PMAQI
18th Jul 20255012 AMAQI
18th Jul 2025541 AMAQI
18th Jul 2025552 AMAQI
18th Jul 2025553 AMAQI
18th Jul 2025544 AMAQI
24°C21/27°C
18th Jul 2025545 AMAQI
18th Jul 2025546 AMAQI
18th Jul 2025547 AMAQI
18th Jul 2025548 AMAQI
18th Jul 2025329 AMAQI
18th Jul 20252610 AMAQI
18th Jul 20252811 AMAQI
18th Jul 20252712 PMAQI
18th Jul 2025341 PMAQI
18th Jul 2025342 PMAQI
18th Jul 2025333 PMAQI
18th Jul 2025364 PMAQI
18th Jul 2025385 PMAQI
18th Jul 2025416 PMAQI
18th Jul 2025507 PMAQI
18th Jul 2025508 PMAQI
18th Jul 2025519 PMAQI
18th Jul 20255210 PMAQI
18th Jul 20255211 PMAQI
19th Jul 20255212 AMAQI
19th Jul 2025531 AMAQI
19th Jul 2025532 AMAQI
19th Jul 2025533 AMAQI
19th Jul 2025534 AMAQI
25°C22/29°C
19th Jul 2025525 AMAQI
19th Jul 2025526 AMAQI
19th Jul 2025527 AMAQI
19th Jul 2025528 AMAQI
19th Jul 2025239 AMAQI
19th Jul 20251410 AMAQI
19th Jul 20251411 AMAQI
19th Jul 20251512 PMAQI
19th Jul 2025231 PMAQI
19th Jul 2025212 PMAQI
19th Jul 2025223 PMAQI
19th Jul 2025224 PMAQI
19th Jul 2025225 PMAQI
19th Jul 2025236 PMAQI
19th Jul 2025247 PMAQI
19th Jul 2025298 PMAQI
19th Jul 2025429 PMAQI
19th Jul 20254210 PMAQI
19th Jul 20254211 PMAQI
20th Jul 20254112 AMAQI
20th Jul 2025491 AMAQI
20th Jul 2025522 AMAQI
20th Jul 2025533 AMAQI
20th Jul 2025514 AMAQI
25°C22/29°C
20th Jul 2025505 AMAQI
20th Jul 2025506 AMAQI
20th Jul 2025497 AMAQI
20th Jul 2025498 AMAQI
20th Jul 2025399 AMAQI
20th Jul 20253010 AMAQI
20th Jul 20253311 AMAQI
20th Jul 20253612 PMAQI
20th Jul 2025371 PMAQI
20th Jul 2025372 PMAQI
20th Jul 2025373 PMAQI
20th Jul 2025414 PMAQI
20th Jul 2025485 PMAQI
20th Jul 2025496 PMAQI
20th Jul 2025517 PMAQI
20th Jul 2025498 PMAQI
20th Jul 2025489 PMAQI
20th Jul 20254910 PMAQI
20th Jul 20255111 PMAQI
21st Jul 20255212 AMAQI
21st Jul 2025491 AMAQI
21st Jul 2025492 AMAQI
21st Jul 2025503 AMAQI
21st Jul 2025484 AMAQI
27°C22/33°C
21st Jul 2025475 AMAQI
21st Jul 2025476 AMAQI
21st Jul 2025467 AMAQI
21st Jul 2025478 AMAQI
21st Jul 2025489 AMAQI
21st Jul 20254910 AMAQI
21st Jul 20254211 AMAQI
21st Jul 20254112 PMAQI
21st Jul 2025391 PMAQI
21st Jul 2025352 PMAQI
21st Jul 2025323 PMAQI
21st Jul 2025324 PMAQI
21st Jul 2025275 PMAQI
21st Jul 2025256 PMAQI
21st Jul 2025247 PMAQI
21st Jul 2025298 PMAQI
21st Jul 2025409 PMAQI
21st Jul 20254010 PMAQI
21st Jul 20254011 PMAQI
22nd Jul 20254012 AMAQI
22nd Jul 2025481 AMAQI
22nd Jul 2025482 AMAQI
22nd Jul 2025483 AMAQI
22nd Jul 2025484 AMAQI
27°C23/31°C
22nd Jul 2025485 AMAQI
22nd Jul 2025496 AMAQI
22nd Jul 2025487 AMAQI
22nd Jul 2025488 AMAQI
22nd Jul 2025279 AMAQI
22nd Jul 20252410 AMAQI
22nd Jul 20252211 AMAQI
22nd Jul 20252412 PMAQI
22nd Jul 2025291 PMAQI
22nd Jul 2025302 PMAQI
22nd Jul 2025283 PMAQI
22nd Jul 2025304 PMAQI
22nd Jul 2025335 PMAQI
22nd Jul 2025366 PMAQI
22nd Jul 2025377 PMAQI
22nd Jul 2025408 PMAQI
22nd Jul 2025439 PMAQI
22nd Jul 20254110 PMAQI
22nd Jul 20254211 PMAQI
23rd Jul 20254112 AMAQI
23rd Jul 2025431 AMAQI
23rd Jul 2025432 AMAQI
23rd Jul 2025473 AMAQI
23rd Jul 2025464 AMAQI
27°C23/31°C
23rd Jul 2025445 AMAQI
23rd Jul 2025446 AMAQI
23rd Jul 2025447 AMAQI
23rd Jul 2025448 AMAQI
23rd Jul 2025419 AMAQI
23rd Jul 20254210 AMAQI
23rd Jul 20255011 AMAQI
23rd Jul 20255512 PMAQI
23rd Jul 2025531 PMAQI
23rd Jul 2025512 PMAQI
23rd Jul 2025503 PMAQI
23rd Jul 2025504 PMAQI
23rd Jul 2025525 PMAQI
23rd Jul 2025546 PMAQI
23rd Jul 2025547 PMAQI
23rd Jul 2025538 PMAQI
23rd Jul 2025509 PMAQI
23rd Jul 20255010 PMAQI
23rd Jul 20255111 PMAQI
24th Jul 20255112 AMAQI
24th Jul 2025441 AMAQI
24th Jul 2025442 AMAQI
24th Jul 2025443 AMAQI
24th Jul 2025454 AMAQI
27°C23/32°C
24th Jul 2025465 AMAQI
24th Jul 2025466 AMAQI
24th Jul 2025467 AMAQI
24th Jul 2025468 AMAQI
24th Jul 2025549 AMAQI
24th Jul 20255710 AMAQI
24th Jul 20255811 AMAQI
24th Jul 20256012 PMAQI
24th Jul 2025621 PMAQI
24th Jul 2025632 PMAQI
24th Jul 2025633 PMAQI
24th Jul 2025614 PMAQI
24th Jul 2025635 PMAQI
24th Jul 2025626 PMAQI
24th Jul 2025647 PMAQI
24th Jul 2025628 PMAQI
24th Jul 2025579 PMAQI
24th Jul 20255610 PMAQI
24th Jul 20255711 PMAQI
25th Jul 20255712 AMAQI
25th Jul 2025571 AMAQI
25th Jul 2025502 AMAQI
25th Jul 2025473 AMAQI
25th Jul 2025484 AMAQI
28°C23/34°C
25th Jul 2025515 AMAQI
25th Jul 2025516 AMAQI
25th Jul 2025517 AMAQI
25th Jul 2025518 AMAQI
25th Jul 2025719 AMAQI
25th Jul 20257310 AMAQI
25th Jul 20257211 AMAQI
25th Jul 20256912 PMAQI
25th Jul 2025621 PMAQI
25th Jul 2025582 PMAQI
25th Jul 2025563 PMAQI
25th Jul 2025524 PMAQI
25th Jul 2025545 PMAQI
25th Jul 2025526 PMAQI
25th Jul 2025507 PMAQI
25th Jul 2025568 PMAQI
25th Jul 2025579 PMAQI
25th Jul 20255810 PMAQI
25th Jul 20255911 PMAQI
26th Jul 20255912 AMAQI
26th Jul 2025531 AMAQI
26th Jul 2025522 AMAQI
26th Jul 2025523 AMAQI
26th Jul 2025534 AMAQI
29°C24/35°C
26th Jul 2025555 AMAQI
26th Jul 2025556 AMAQI
26th Jul 2025557 AMAQI
26th Jul 2025558 AMAQI
26th Jul 2025439 AMAQI
26th Jul 20253810 AMAQI
26th Jul 20253411 AMAQI
26th Jul 20253412 PMAQI
26th Jul 2025411 PMAQI
26th Jul 2025432 PMAQI
26th Jul 2025393 PMAQI
26th Jul 2025364 PMAQI
26th Jul 2025355 PMAQI
26th Jul 2025366 PMAQI
26th Jul 2025387 PMAQI
26th Jul 2025418 PMAQI
26th Jul 2025529 PMAQI
26th Jul 20255210 PMAQI
26th Jul 20255311 PMAQI
27th Jul 20255312 AMAQI
27th Jul 2025551 AMAQI
27th Jul 2025552 AMAQI
27th Jul 2025553 AMAQI
27th Jul 2025544 AMAQI
29°C24/35°C
27th Jul 2025535 AMAQI
27th Jul 2025536 AMAQI
27th Jul 2025537 AMAQI
27th Jul 2025538 AMAQI
27th Jul 2025409 AMAQI
27th Jul 20252610 AMAQI
27th Jul 20252311 AMAQI
27th Jul 20252312 PMAQI
27th Jul 2025261 PMAQI
27th Jul 2025272 PMAQI
27th Jul 2025273 PMAQI
27th Jul 2025254 PMAQI
27th Jul 2025235 PMAQI
27th Jul 2025246 PMAQI
27th Jul 2025287 PMAQI
27th Jul 2025358 PMAQI
27th Jul 2025499 PMAQI
27th Jul 20255010 PMAQI
27th Jul 20255211 PMAQI
28th Jul 20255412 AMAQI
28th Jul 2025541 AMAQI
28th Jul 2025542 AMAQI
28th Jul 2025543 AMAQI
28th Jul 2025524 AMAQI
29°C24/36°C
28th Jul 2025515 AMAQI
28th Jul 2025516 AMAQI
28th Jul 2025517 AMAQI
28th Jul 2025528 AMAQI
28th Jul 2025509 AMAQI
28th Jul 20255610 AMAQI
28th Jul 20255611 AMAQI
28th Jul 20255812 PMAQI
28th Jul 2025581 PMAQI
28th Jul 2025602 PMAQI
28th Jul 2025573 PMAQI
28th Jul 2025544 PMAQI
28th Jul 2025555 PMAQI
28th Jul 2025586 PMAQI
28th Jul 2025577 PMAQI
28th Jul 2025578 PMAQI
28th Jul 2025569 PMAQI
28th Jul 20255810 PMAQI
28th Jul 20255811 PMAQI
29th Jul 20255812 AMAQI
29th Jul 2025541 AMAQI
29th Jul 2025532 AMAQI
29th Jul 2025533 AMAQI
29th Jul 2025534 AMAQI
29°C24/35°C
29th Jul 2025535 AMAQI
29th Jul 2025546 AMAQI
29th Jul 2025537 AMAQI
29th Jul 2025548 AMAQI
29th Jul 2025689 AMAQI
29th Jul 20257610 AMAQI
29th Jul 20257411 AMAQI
29th Jul 20257312 PMAQI
29th Jul 2025711 PMAQI
29th Jul 2025712 PMAQI
29th Jul 2025653 PMAQI
29th Jul 2025604 PMAQI
29th Jul 2025585 PMAQI
29th Jul 2025566 PMAQI
29th Jul 2025587 PMAQI
29th Jul 2025588 PMAQI
29th Jul 2025589 PMAQI
29th Jul 20255910 PMAQI
29th Jul 20255911 PMAQI
30th Jul 20255912 AMAQI
30th Jul 2025541 AMAQI
30th Jul 2025542 AMAQI
30th Jul 2025543 AMAQI
30th Jul 2025564 AMAQI
29°C24/35°C
30th Jul 2025575 AMAQI
30th Jul 2025576 AMAQI
30th Jul 2025577 AMAQI
30th Jul 2025578 AMAQI
30th Jul 2025689 AMAQI
30th Jul 20257110 AMAQI
30th Jul 20256111 AMAQI
30th Jul 20255812 PMAQI
30th Jul 2025571 PMAQI
30th Jul 2025492 PMAQI
30th Jul 2025423 PMAQI
30th Jul 2025384 PMAQI
30th Jul 2025375 PMAQI
30th Jul 2025376 PMAQI
30th Jul 2025387 PMAQI
30th Jul 2025448 PMAQI
30th Jul 2025549 PMAQI
30th Jul 20255410 PMAQI
30th Jul 20255511 PMAQI
31st Jul 20255712 AMAQI
31st Jul 2025561 AMAQI
31st Jul 2025562 AMAQI
31st Jul 2025563 AMAQI
31st Jul 2025564 AMAQI
29°C23/35°C
31st Jul 2025565 AMAQI
31st Jul 2025566 AMAQI
31st Jul 2025567 AMAQI
31st Jul 2025568 AMAQI
31st Jul 2025569 AMAQI
31st Jul 20255610 AMAQI
31st Jul 20255711 AMAQI
31st Jul 20255212 PMAQI
31st Jul 2025521 PMAQI
31st Jul 2025532 PMAQI
31st Jul 2025503 PMAQI
31st Jul 2025504 PMAQI
31st Jul 2025525 PMAQI
31st Jul 2025526 PMAQI
31st Jul 2025557 PMAQI
31st Jul 2025568 PMAQI
31st Jul 2025539 PMAQI
31st Jul 20255310 PMAQI
31st Jul 20255311 PMAQI
1st Aug 20255412 AMAQI
1st Aug 2025541 AMAQI
1st Aug 2025542 AMAQI
1st Aug 2025543 AMAQI
1st Aug 2025544 AMAQI
28°C23/34°C
1st Aug 2025555 AMAQI
1st Aug 2025566 AMAQI
1st Aug 2025557 AMAQI
1st Aug 2025548 AMAQI
1st Aug 2025589 AMAQI
1st Aug 20256110 AMAQI
1st Aug 20255611 AMAQI
1st Aug 20255712 PMAQI
1st Aug 2025541 PMAQI
1st Aug 2025582 PMAQI
1st Aug 2025563 PMAQI
1st Aug 2025554 PMAQI
1st Aug 2025545 PMAQI
1st Aug 2025586 PMAQI
1st Aug 2025577 PMAQI
1st Aug 2025578 PMAQI
1st Aug 2025589 PMAQI
1st Aug 20255810 PMAQI
1st Aug 20255711 PMAQI
2nd Aug 20255612 AMAQI
2nd Aug 2025531 AMAQI
2nd Aug 2025552 AMAQI
2nd Aug 2025553 AMAQI
2nd Aug 2025544 AMAQI
28°C23/34°C
2nd Aug 2025555 AMAQI
2nd Aug 2025556 AMAQI
2nd Aug 2025557 AMAQI
2nd Aug 2025558 AMAQI
2nd Aug 2025739 AMAQI
2nd Aug 20257610 AMAQI
2nd Aug 20257511 AMAQI
2nd Aug 20257812 PMAQI
2nd Aug 2025781 PMAQI
2nd Aug 2025682 PMAQI
2nd Aug 2025623 PMAQI
2nd Aug 2025644 PMAQI
2nd Aug 2025615 PMAQI
2nd Aug 2025686 PMAQI
2nd Aug 2025647 PMAQI
2nd Aug 2025588 PMAQI
2nd Aug 2025609 PMAQI
2nd Aug 20256010 PMAQI
2nd Aug 20256111 PMAQI
3rd Aug 20255712 AMAQI
3rd Aug 2025541 AMAQI
3rd Aug 2025552 AMAQI
3rd Aug 2025553 AMAQI
3rd Aug 2025574 AMAQI
28°C24/34°C
3rd Aug 2025585 AMAQI
3rd Aug 2025576 AMAQI
3rd Aug 2025587 AMAQI
3rd Aug 2025588 AMAQI
3rd Aug 2025679 AMAQI
3rd Aug 20257110 AMAQI
3rd Aug 20257511 AMAQI
3rd Aug 20257212 PMAQI
3rd Aug 2025731 PMAQI
3rd Aug 2025722 PMAQI
3rd Aug 2025753 PMAQI
3rd Aug 2025684 PMAQI
3rd Aug 2025675 PMAQI
3rd Aug 2025656 PMAQI
3rd Aug 2025657 PMAQI
3rd Aug 2025588 PMAQI
3rd Aug 2025599 PMAQI
3rd Aug 20255710 PMAQI
3rd Aug 20255211 PMAQI
4th Aug 20255212 AMAQI
4th Aug 2025541 AMAQI
4th Aug 2025552 AMAQI
4th Aug 2025573 AMAQI
4th Aug 2025584 AMAQI
25°C23/28°C
4th Aug 2025595 AMAQI
4th Aug 2025586 AMAQI
4th Aug 2025597 AMAQI
4th Aug 2025598 AMAQI
4th Aug 2025459 AMAQI
4th Aug 20254610 AMAQI
4th Aug 20255311 AMAQI
4th Aug 20254712 PMAQI
4th Aug 2025571 PMAQI
4th Aug 2025492 PMAQI
4th Aug 2025483 PMAQI
4th Aug 2025504 PMAQI
4th Aug 2025525 PMAQI
4th Aug 2025536 PMAQI
4th Aug 2025507 PMAQI
4th Aug 2025548 PMAQI
4th Aug 2025559 PMAQI
4th Aug 20255510 PMAQI
4th Aug 20255611 PMAQI
5th Aug 20255312 AMAQI
5th Aug 2025541 AMAQI
5th Aug 2025562 AMAQI
5th Aug 2025563 AMAQI
5th Aug 2025564 AMAQI
27°C23/30°C
5th Aug 2025565 AMAQI
5th Aug 2025566 AMAQI
5th Aug 2025567 AMAQI
5th Aug 2025558 AMAQI
5th Aug 2025509 AMAQI
5th Aug 20255410 AMAQI
5th Aug 20255511 AMAQI
5th Aug 20255812 PMAQI
5th Aug 2025551 PMAQI
5th Aug 2025542 PMAQI
5th Aug 2025503 PMAQI
5th Aug 2025394 PMAQI
5th Aug 2025425 PMAQI
5th Aug 2025446 PMAQI
5th Aug 2025437 PMAQI
5th Aug 2025498 PMAQI
5th Aug 2025519 PMAQI
5th Aug 20255110 PMAQI
5th Aug 20254911 PMAQI
6th Aug 20254912 AMAQI
6th Aug 2025551 AMAQI
6th Aug 2025542 AMAQI
6th Aug 2025553 AMAQI
6th Aug 2025554 AMAQI
26°C23/32°C
6th Aug 2025555 AMAQI
6th Aug 2025556 AMAQI
6th Aug 2025557 AMAQI
6th Aug 2025558 AMAQI
6th Aug 2025359 AMAQI
6th Aug 20253610 AMAQI
6th Aug 20254111 AMAQI
6th Aug 20254412 PMAQI
6th Aug 2025451 PMAQI
6th Aug 2025572 PMAQI
6th Aug 2025583 PMAQI
6th Aug 2025494 PMAQI
6th Aug 2025495 PMAQI
6th Aug 2025496 PMAQI
6th Aug 2025537 PMAQI
6th Aug 2025508 PMAQI
6th Aug 2025509 PMAQI
6th Aug 20255010 PMAQI
6th Aug 20254911 PMAQI
7th Aug 20254912 AMAQI
7th Aug 2025541 AMAQI
7th Aug 2025532 AMAQI
7th Aug 2025533 AMAQI
7th Aug 2025534 AMAQI
26°C24/30°C
7th Aug 2025535 AMAQI
7th Aug 2025536 AMAQI
7th Aug 2025537 AMAQI
7th Aug 2025538 AMAQI
7th Aug 2025429 AMAQI
7th Aug 20254610 AMAQI
7th Aug 20255311 AMAQI
7th Aug 20255512 PMAQI
7th Aug 2025521 PMAQI
7th Aug 2025522 PMAQI
7th Aug 2025493 PMAQI
7th Aug 2025534 PMAQI
7th Aug 2025535 PMAQI
7th Aug 2025476 PMAQI
7th Aug 2025437 PMAQI
7th Aug 2025418 PMAQI
7th Aug 2025489 PMAQI
7th Aug 20254910 PMAQI
7th Aug 20254911 PMAQI
8th Aug 20255012 AMAQI
8th Aug 2025521 AMAQI
8th Aug 2025522 AMAQI
8th Aug 2025523 AMAQI
8th Aug 2025524 AMAQI
25°C21/30°C
8th Aug 2025525 AMAQI
8th Aug 2025526 AMAQI
8th Aug 2025527 AMAQI
8th Aug 2025528 AMAQI
8th Aug 2025489 AMAQI
8th Aug 20255310 AMAQI
8th Aug 20255211 AMAQI
8th Aug 20255012 PMAQI
8th Aug 2025531 PMAQI
8th Aug 2025542 PMAQI
8th Aug 2025523 PMAQI
8th Aug 2025484 PMAQI
8th Aug 2025525 PMAQI
8th Aug 2025536 PMAQI
8th Aug 2025507 PMAQI
8th Aug 2025548 PMAQI
8th Aug 2025579 PMAQI
8th Aug 20255610 PMAQI
8th Aug 20255711 PMAQI
9th Aug 20255612 AMAQI
9th Aug 2025521 AMAQI
9th Aug 2025522 AMAQI
9th Aug 2025523 AMAQI
9th Aug 2025524 AMAQI
24°C20/29°C
9th Aug 2025535 AMAQI
9th Aug 2025536 AMAQI
9th Aug 2025537 AMAQI
9th Aug 2025528 AMAQI
9th Aug 2025609 AMAQI
9th Aug 20256510 AMAQI
9th Aug 20256311 AMAQI
9th Aug 20256512 PMAQI
9th Aug 2025631 PMAQI
9th Aug 2025612 PMAQI
9th Aug 2025593 PMAQI
9th Aug 2025584 PMAQI
9th Aug 2025585 PMAQI
9th Aug 2025566 PMAQI
9th Aug 2025537 PMAQI
9th Aug 2025538 PMAQI
9th Aug 2025529 PMAQI
9th Aug 20255210 PMAQI
9th Aug 20255211 PMAQI
10th Aug 20255212 AMAQI
10th Aug 2025521 AMAQI
10th Aug 2025532 AMAQI
10th Aug 2025533 AMAQI
10th Aug 2025544 AMAQI
22°C20/25°C
10th Aug 2025555 AMAQI
10th Aug 2025556 AMAQI
10th Aug 2025557 AMAQI
10th Aug 2025558 AMAQI
10th Aug 2025549 AMAQI
10th Aug 20255310 AMAQI
10th Aug 20255111 AMAQI
10th Aug 20254912 PMAQI
10th Aug 2025491 PMAQI
10th Aug 2025372 PMAQI
10th Aug 2025373 PMAQI
10th Aug 2025404 PMAQI
10th Aug 2025425 PMAQI
10th Aug 2025446 PMAQI
10th Aug 2025437 PMAQI
10th Aug 2025468 PMAQI
10th Aug 2025499 PMAQI
10th Aug 20255110 PMAQI
10th Aug 20255511 PMAQI
11th Aug 20255512 AMAQI
11th Aug 2025541 AMAQI
11th Aug 2025542 AMAQI
11th Aug 2025543 AMAQI
11th Aug 2025534 AMAQI
25°C21/29°C
11th Aug 2025535 AMAQI
11th Aug 2025536 AMAQI
11th Aug 2025537 AMAQI
11th Aug 2025538 AMAQI
11th Aug 2025619 AMAQI
11th Aug 20256710 AMAQI
11th Aug 20256711 AMAQI
11th Aug 20256912 PMAQI
11th Aug 2025661 PMAQI
11th Aug 2025652 PMAQI
11th Aug 2025633 PMAQI
11th Aug 2025614 PMAQI
11th Aug 2025595 PMAQI
11th Aug 2025546 PMAQI
11th Aug 2025487 PMAQI
11th Aug 2025508 PMAQI
11th Aug 2025489 PMAQI
11th Aug 20254610 PMAQI
11th Aug 20254011 PMAQI
12th Aug 20254512 AMAQI
12th Aug 2025531 AMAQI
--°C/°C
5 AM
12 PM
7 PM
12 AM
4 AM
--°C/°C
Day time
Avg. Highest Time
5 AM - 8 AM
53AQI
4 hours / Day
120 hours / Month
Avg. Lowest Time
9 AM - 7 PM
49AQI
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. 53), while the lowest AQI was between 9 AM to 7 PM (Avg. 49).
Night time
Avg. Highest Time
12 AM - 4 AM
53AQI
5 hours / Day
150 hours / Month
Avg. Lowest Time
8 PM
49AQI
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. 53), while the lowest AQI was between 8 PM to 8 PM (Avg. 49).
2025 Days Vs Air Quality
Hosan, Chungnam, South Korea
2025
25%
56
70%
156
5%
10
Total number of days with different AQI categories in last 223 days in 2025 (142 days remaining)
Good
56 DaysModerate
156 DaysPoor
10 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 25%
Health Risk Level:
Very high
In 2025, 25% of 223 days were within WHO’s safe air quality limits. The risk of health issues is Very high, including respiratory issues, heart disease, and stress, particularly affecting vulnerable groups.
Annual Air Quality Insights
Hosan, 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
70AQI
70AQI
2nd January 2025
64AQI
64AQI
3rd January 2025
57AQI
57AQI
4th January 2025
61AQI
61AQI
5th January 2025
61AQI
61AQI
6th January 2025
75AQI
75AQI
7th January 2025
57AQI
57AQI
8th January 2025
65AQI
65AQI
9th January 2025
42AQI
42AQI
10th January 2025
58AQI
58AQI
11th January 2025
62AQI
62AQI
12th January 2025
72AQI
72AQI
13th January 2025
83AQI
83AQI
14th January 2025
87AQI
87AQI
15th January 2025
61AQI
61AQI
16th January 2025
66AQI
66AQI
17th January 2025
81AQI
81AQI
18th January 2025
83AQI
83AQI
19th January 2025
90AQI
90AQI
20th January 2025
110AQI
110AQI
21st January 2025
136AQI
136AQI
22nd January 2025
140AQI
140AQI
23rd January 2025
118AQI
118AQI
24th January 2025
112AQI
112AQI
25th January 2025
77AQI
77AQI
26th January 2025
61AQI
61AQI
27th January 2025
63AQI
63AQI
28th January 2025
46AQI
46AQI
29th January 2025
50AQI
50AQI
30th January 2025
59AQI
59AQI
31st January 2025
75AQI
75AQI
1st February 2025
82AQI
82AQI
2nd February 2025
91AQI
91AQI
3rd February 2025
58AQI
58AQI
4th February 2025
51AQI
51AQI
5th February 2025
49AQI
49AQI
6th February 2025
50AQI
50AQI
7th February 2025
48AQI
48AQI
8th February 2025
43AQI
43AQI
9th February 2025
51AQI
51AQI
10th February 2025
60AQI
60AQI
11th February 2025
66AQI
66AQI
12th February 2025
62AQI
62AQI
13th February 2025
48AQI
48AQI
14th February 2025
71AQI
71AQI
15th February 2025
55AQI
55AQI
16th February 2025
102AQI
102AQI
17th February 2025
50AQI
50AQI
18th February 2025
58AQI
58AQI
19th February 2025
46AQI
46AQI
20th February 2025
51AQI
51AQI
21st February 2025
49AQI
49AQI
22nd February 2025
57AQI
57AQI
23rd February 2025
50AQI
50AQI
24th February 2025
51AQI
51AQI
25th February 2025
53AQI
53AQI
26th February 2025
68AQI
68AQI
27th February 2025
65AQI
65AQI
28th February 2025
67AQI
67AQI
1st March 2025
88AQI
88AQI
2nd March 2025
70AQI
70AQI
3rd March 2025
52AQI
52AQI
4th March 2025
45AQI
45AQI
5th March 2025
37AQI
37AQI
6th March 2025
64AQI
64AQI
7th March 2025
76AQI
76AQI
8th March 2025
77AQI
77AQI
9th March 2025
88AQI
88AQI
10th March 2025
87AQI
87AQI
11th March 2025
90AQI
90AQI
12th March 2025
88AQI
88AQI
13th March 2025
78AQI
78AQI
14th March 2025
76AQI
76AQI
15th March 2025
47AQI
47AQI
16th March 2025
66AQI
66AQI
17th March 2025
62AQI
62AQI
18th March 2025
73AQI
73AQI
19th March 2025
82AQI
82AQI
20th March 2025
92AQI
92AQI
21st March 2025
98AQI
98AQI
22nd March 2025
107AQI
107AQI
23rd March 2025
115AQI
115AQI
24th March 2025
107AQI
107AQI
25th March 2025
127AQI
127AQI
26th March 2025
89AQI
89AQI
27th March 2025
84AQI
84AQI
28th March 2025
62AQI
62AQI
29th March 2025
50AQI
50AQI
30th March 2025
51AQI
51AQI
31st March 2025
63AQI
63AQI
1st April 2025
72AQI
72AQI
2nd April 2025
80AQI
80AQI
3rd April 2025
81AQI
81AQI
4th April 2025
81AQI
81AQI
5th April 2025
69AQI
69AQI
6th April 2025
66AQI
66AQI
7th April 2025
67AQI
67AQI
8th April 2025
73AQI
73AQI
9th April 2025
68AQI
68AQI
10th April 2025
76AQI
76AQI
11th April 2025
84AQI
84AQI
12th April 2025
63AQI
63AQI
13th April 2025
60AQI
60AQI
14th April 2025
42AQI
42AQI
15th April 2025
55AQI
55AQI
16th April 2025
60AQI
60AQI
17th April 2025
66AQI
66AQI
18th April 2025
77AQI
77AQI
19th April 2025
51AQI
51AQI
20th April 2025
65AQI
65AQI
21st April 2025
54AQI
54AQI
22nd April 2025
44AQI
44AQI
23rd April 2025
48AQI
48AQI
24th April 2025
60AQI
60AQI
25th April 2025
62AQI
62AQI
26th April 2025
51AQI
51AQI
27th April 2025
44AQI
44AQI
28th April 2025
55AQI
55AQI
29th April 2025
64AQI
64AQI
30th April 2025
60AQI
60AQI
1st May 2025
55AQI
55AQI
2nd May 2025
51AQI
51AQI
3rd May 2025
49AQI
49AQI
4th May 2025
48AQI
48AQI
5th May 2025
49AQI
49AQI
6th May 2025
48AQI
48AQI
7th May 2025
51AQI
51AQI
8th May 2025
62AQI
62AQI
9th May 2025
44AQI
44AQI
10th May 2025
52AQI
52AQI
11th May 2025
65AQI
65AQI
12th May 2025
68AQI
68AQI
13th May 2025
73AQI
73AQI
14th May 2025
73AQI
73AQI
15th May 2025
55AQI
55AQI
16th May 2025
48AQI
48AQI
17th May 2025
49AQI
49AQI
18th May 2025
59AQI
59AQI
19th May 2025
58AQI
58AQI
20th May 2025
43AQI
43AQI
21st May 2025
46AQI
46AQI
22nd May 2025
51AQI
51AQI
23rd May 2025
58AQI
58AQI
24th May 2025
49AQI
49AQI
25th May 2025
46AQI
46AQI
26th May 2025
64AQI
64AQI
27th May 2025
73AQI
73AQI
28th May 2025
76AQI
76AQI
29th May 2025
79AQI
79AQI
30th May 2025
80AQI
80AQI
31st May 2025
85AQI
85AQI
1st June 2025
87AQI
87AQI
2nd June 2025
93AQI
93AQI
3rd June 2025
79AQI
79AQI
4th June 2025
64AQI
64AQI
5th June 2025
58AQI
58AQI
6th June 2025
63AQI
63AQI
7th June 2025
68AQI
68AQI
8th June 2025
63AQI
63AQI
9th June 2025
62AQI
62AQI
10th June 2025
58AQI
58AQI
11th June 2025
57AQI
57AQI
12th June 2025
59AQI
59AQI
13th June 2025
67AQI
67AQI
14th June 2025
48AQI
48AQI
15th June 2025
59AQI
59AQI
16th June 2025
63AQI
63AQI
17th June 2025
63AQI
63AQI
18th June 2025
64AQI
64AQI
19th June 2025
63AQI
63AQI
20th June 2025
49AQI
49AQI
21st June 2025
44AQI
44AQI
22nd June 2025
34AQI
34AQI
23rd June 2025
49AQI
49AQI
24th June 2025
50AQI
50AQI
25th June 2025
43AQI
43AQI
26th June 2025
56AQI
56AQI
27th June 2025
61AQI
61AQI
28th June 2025
60AQI
60AQI
29th June 2025
49AQI
49AQI
30th June 2025
48AQI
48AQI
1st July 2025
46AQI
46AQI
2nd July 2025
48AQI
48AQI
3rd July 2025
55AQI
55AQI
4th July 2025
52AQI
52AQI
5th July 2025
48AQI
48AQI
6th July 2025
50AQI
50AQI
7th July 2025
58AQI
58AQI
8th July 2025
64AQI
64AQI
9th July 2025
52AQI
52AQI
10th July 2025
51AQI
51AQI
11th July 2025
53AQI
53AQI
12th July 2025
52AQI
52AQI
13th July 2025
62AQI
62AQI
14th July 2025
56AQI
56AQI
15th July 2025
44AQI
44AQI
16th July 2025
53AQI
53AQI
17th July 2025
44AQI
44AQI
18th July 2025
46AQI
46AQI
19th July 2025
37AQI
37AQI
20th July 2025
46AQI
46AQI
21st July 2025
41AQI
41AQI
22nd July 2025
39AQI
39AQI
23rd July 2025
48AQI
48AQI
24th July 2025
54AQI
54AQI
25th July 2025
56AQI
56AQI
26th July 2025
47AQI
47AQI
27th July 2025
42AQI
42AQI
28th July 2025
55AQI
55AQI
29th July 2025
59AQI
59AQI
30th July 2025
53AQI
53AQI
31st July 2025
55AQI
55AQI
1st August 2025
56AQI
56AQI
2nd August 2025
62AQI
62AQI
3rd August 2025
62AQI
62AQI
4th August 2025
53AQI
53AQI
5th August 2025
52AQI
52AQI
6th August 2025
50AQI
50AQI
7th August 2025
50AQI
50AQI
8th August 2025
53AQI
53AQI
9th August 2025
56AQI
56AQI
10th August 2025
51AQI
51AQI
76AQI
59AQI
77AQI
63AQI
58AQI
59AQI
51AQI
55AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202563AQI
3
23
5
9
18
1
4
23
4
4
26
11
20
9
21
14
17
2
8
56
156
10
Highest AQI recorded in
March77AQI
Lowest AQI recorded in
July51AQI
202460AQI
9
16
6
11
11
6
1
5
23
3
3
24
3
10
21
3
27
22
9
11
20
20
10
12
19
9
20
1
4
27
119
227
19
1
Highest AQI recorded in
January76AQI
Lowest AQI recorded in
July40AQI
202367AQI
6
21
3
1
1
20
7
2
20
9
1
21
8
7
24
7
23
17
14
15
16
19
11
9
22
8
20
1
8
19
4
100
231
32
1
Highest AQI recorded in
February91AQI
Lowest AQI recorded in
July47AQI
202268AQI
2
21
7
1
3
11
6
1
6
19
6
5
24
1
4
25
2
14
16
8
16
1
16
13
9
21
1
3
21
6
4
25
2
75
212
31
2
Highest AQI recorded in
February87AQI
Lowest AQI recorded in
August44AQI
202168AQI
6
22
2
5
14
9
3
20
6
1
1
4
25
1
7
22
1
1
3
26
1
19
12
18
13
24
6
6
25
8
17
5
9
16
6
112
218
30
1
1
2
Highest AQI recorded in
March94AQI
Lowest AQI recorded in
September41AQI
202061AQI
2
8
3
7
14
3
15
7
23
21
10
16
15
18
12
8
19
4
8
14
8
5
16
10
95
146
25
Highest AQI recorded in
December83AQI
Lowest AQI recorded in
July43AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2022(Avg.)
68AQILeast Polluted Year Recorded
2024(Avg.)
60AQIHosan's annual 2025 AQI (63) shows an average percentage change of -2.4% (improved AQI) compared to previous years: 2020 (61), 2021 (68), 2022 (68), 2023 (67), 2024 (60).
