Changjeon Dong, Ichon, Gyeonggi, South Korea Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
Good
050
Moderate
100
Poor
150
Unhealthy
200
Severe
300
Hazardous
301+
November Air Quality Analysis
Changjeon Dong, Ichon, Gyeonggi, South Korea
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
21st Nov 2021
177AQILowest AQI recorded on
9th Nov 2021
19AQISame Day Analysis (9th November ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 4th highest AQI at 63 of Moderate air quality, showing improvement over 2024, 2023 and 2022 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 9th Nov - 10th Nov 2025
Changjeon Dong, Ichon, Gyeonggi, South Korea
AQI
Day
Night
.
6 AM9th Nov 2025
5 PM
5 AM10th Nov 2025
Day time
Avg. Highest Time
4PM9th Nov
73AQI
Avg. Lowest Time
7AM9th Nov
46AQI
Night time
Avg. Highest Time
11PM9th Nov
79AQI
Avg. Lowest Time
5AM10th Nov
27AQI
In the last 24 hours,
Changjeon Dong's AQI reached its highest point of 79 at 11 PM during the Night, while the lowest point, 27, was recorded at 5 AM during the Night between 9th Nov and 10th Nov 2025.
Day & Night AQI Trend : Oct - Nov 2025
Changjeon Dong, Ichon, Gyeonggi, South Korea
OctNov
11th - 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 - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th
Day
Night
11th Oct 2025226 AMAQI
11th Oct 2025217 AMAQI
11th Oct 2025148 AMAQI
11th Oct 2025169 AMAQI
11th Oct 20252010 AMAQI
11th Oct 20253711 AMAQI
11th Oct 20254712 PMAQI
11th Oct 2025431 PMAQI
11th Oct 2025402 PMAQI
11th Oct 2025463 PMAQI
11th Oct 2025594 PMAQI
11th Oct 2025585 PMAQI
11th Oct 2025606 PMAQI
11th Oct 2025587 PMAQI
11th Oct 2025588 PMAQI
11th Oct 2025579 PMAQI
11th Oct 20255910 PMAQI
11th Oct 20255511 PMAQI
12th Oct 20255512 AMAQI
12th Oct 2025551 AMAQI
12th Oct 2025552 AMAQI
12th Oct 2025543 AMAQI
12th Oct 2025514 AMAQI
12th Oct 2025495 AMAQI
20°C16/25°C
12th Oct 2025516 AMAQI
12th Oct 2025337 AMAQI
12th Oct 2025248 AMAQI
12th Oct 2025239 AMAQI
12th Oct 20255010 AMAQI
12th Oct 20253811 AMAQI
12th Oct 20253012 PMAQI
12th Oct 2025351 PMAQI
12th Oct 2025522 PMAQI
12th Oct 2025393 PMAQI
12th Oct 2025384 PMAQI
12th Oct 2025385 PMAQI
12th Oct 2025376 PMAQI
12th Oct 2025117 PMAQI
12th Oct 2025168 PMAQI
12th Oct 2025489 PMAQI
12th Oct 20255210 PMAQI
12th Oct 20255311 PMAQI
13th Oct 20252912 AMAQI
13th Oct 2025231 AMAQI
13th Oct 2025272 AMAQI
13th Oct 2025263 AMAQI
13th Oct 2025254 AMAQI
13th Oct 2025265 AMAQI
19°C17/20°C
13th Oct 2025266 AMAQI
13th Oct 2025257 AMAQI
13th Oct 2025278 AMAQI
13th Oct 2025279 AMAQI
13th Oct 20252510 AMAQI
13th Oct 20252611 AMAQI
13th Oct 20252612 PMAQI
13th Oct 2025281 PMAQI
13th Oct 2025242 PMAQI
13th Oct 2025253 PMAQI
13th Oct 2025244 PMAQI
13th Oct 2025245 PMAQI
13th Oct 2025256 PMAQI
13th Oct 2025287 PMAQI
13th Oct 2025278 PMAQI
13th Oct 2025279 PMAQI
13th Oct 20252810 PMAQI
13th Oct 20253511 PMAQI
14th Oct 20253512 AMAQI
14th Oct 2025341 AMAQI
14th Oct 2025342 AMAQI
14th Oct 2025383 AMAQI
14th Oct 2025354 AMAQI
14th Oct 2025365 AMAQI
15°C13/16°C
14th Oct 2025386 AMAQI
14th Oct 2025397 AMAQI
14th Oct 2025398 AMAQI
14th Oct 2025479 AMAQI
14th Oct 20254610 AMAQI
14th Oct 20254711 AMAQI
14th Oct 20253912 PMAQI
14th Oct 2025461 PMAQI
14th Oct 2025482 PMAQI
14th Oct 2025503 PMAQI
14th Oct 2025454 PMAQI
14th Oct 2025455 PMAQI
14th Oct 2025466 PMAQI
14th Oct 2025437 PMAQI
14th Oct 2025488 PMAQI
14th Oct 2025429 PMAQI
14th Oct 20254310 PMAQI
14th Oct 20254511 PMAQI
15th Oct 20254512 AMAQI
15th Oct 2025441 AMAQI
15th Oct 2025432 AMAQI
15th Oct 2025413 AMAQI
15th Oct 2025414 AMAQI
15th Oct 2025345 AMAQI
15°C13/16°C
15th Oct 2025206 AMAQI
15th Oct 2025177 AMAQI
15th Oct 2025218 AMAQI
15th Oct 2025259 AMAQI
15th Oct 20252010 AMAQI
15th Oct 20254511 AMAQI
15th Oct 20255412 PMAQI
15th Oct 2025561 PMAQI
15th Oct 2025592 PMAQI
15th Oct 2025503 PMAQI
15th Oct 2025354 PMAQI
15th Oct 2025245 PMAQI
15th Oct 2025176 PMAQI
15th Oct 2025357 PMAQI
15th Oct 2025508 PMAQI
15th Oct 2025489 PMAQI
15th Oct 20253710 PMAQI
15th Oct 20254811 PMAQI
16th Oct 20255112 AMAQI
16th Oct 2025501 AMAQI
16th Oct 2025552 AMAQI
16th Oct 2025553 AMAQI
16th Oct 2025534 AMAQI
16th Oct 2025405 AMAQI
18°C15/24°C
16th Oct 2025396 AMAQI
16th Oct 2025387 AMAQI
16th Oct 2025398 AMAQI
16th Oct 2025399 AMAQI
16th Oct 20254010 AMAQI
16th Oct 20254311 AMAQI
16th Oct 20253612 PMAQI
16th Oct 2025331 PMAQI
16th Oct 2025352 PMAQI
16th Oct 2025413 PMAQI
16th Oct 2025414 PMAQI
16th Oct 2025405 PMAQI
16th Oct 2025336 PMAQI
16th Oct 2025377 PMAQI
16th Oct 2025338 PMAQI
16th Oct 2025339 PMAQI
16th Oct 20253410 PMAQI
16th Oct 20253411 PMAQI
17th Oct 20253212 AMAQI
17th Oct 2025331 AMAQI
17th Oct 2025362 AMAQI
17th Oct 2025343 AMAQI
17th Oct 2025484 AMAQI
17th Oct 2025395 AMAQI
18°C15/22°C
17th Oct 2025456 AMAQI
17th Oct 2025377 AMAQI
17th Oct 2025288 AMAQI
17th Oct 2025359 AMAQI
17th Oct 20253010 AMAQI
17th Oct 20253311 AMAQI
17th Oct 20254012 PMAQI
17th Oct 2025521 PMAQI
17th Oct 2025572 PMAQI
17th Oct 2025553 PMAQI
17th Oct 2025414 PMAQI
17th Oct 2025405 PMAQI
17th Oct 2025426 PMAQI
17th Oct 2025487 PMAQI
17th Oct 2025498 PMAQI
17th Oct 2025519 PMAQI
17th Oct 20255210 PMAQI
17th Oct 20254411 PMAQI
18th Oct 20254612 AMAQI
18th Oct 2025391 AMAQI
18th Oct 2025432 AMAQI
18th Oct 2025523 AMAQI
18th Oct 2025544 AMAQI
18th Oct 2025555 AMAQI
18°C13/23°C
18th Oct 2025426 AMAQI
18th Oct 2025377 AMAQI
18th Oct 2025348 AMAQI
18th Oct 2025389 AMAQI
18th Oct 20253210 AMAQI
18th Oct 20253311 AMAQI
18th Oct 20253312 PMAQI
18th Oct 2025361 PMAQI
18th Oct 2025442 PMAQI
18th Oct 2025353 PMAQI
18th Oct 2025304 PMAQI
18th Oct 2025185 PMAQI
18th Oct 2025166 PMAQI
18th Oct 2025377 PMAQI
18th Oct 2025498 PMAQI
18th Oct 2025509 PMAQI
18th Oct 20254010 PMAQI
18th Oct 20255011 PMAQI
19th Oct 20255812 AMAQI
19th Oct 2025641 AMAQI
19th Oct 2025652 AMAQI
19th Oct 2025643 AMAQI
19th Oct 2025524 AMAQI
19th Oct 2025565 AMAQI
17°C15/19°C
19th Oct 2025576 AMAQI
19th Oct 2025577 AMAQI
19th Oct 2025568 AMAQI
19th Oct 2025489 AMAQI
19th Oct 20253410 AMAQI
19th Oct 20253711 AMAQI
19th Oct 20254012 PMAQI
19th Oct 2025401 PMAQI
19th Oct 2025352 PMAQI
19th Oct 2025353 PMAQI
19th Oct 2025344 PMAQI
19th Oct 2025455 PMAQI
19th Oct 2025416 PMAQI
19th Oct 2025427 PMAQI
19th Oct 2025508 PMAQI
19th Oct 2025609 PMAQI
19th Oct 20255710 PMAQI
19th Oct 20256211 PMAQI
20th Oct 20256112 AMAQI
20th Oct 2025601 AMAQI
20th Oct 2025642 AMAQI
20th Oct 2025653 AMAQI
20th Oct 2025634 AMAQI
20th Oct 2025585 AMAQI
15°C10/19°C
20th Oct 2025596 AMAQI
20th Oct 2025597 AMAQI
20th Oct 2025588 AMAQI
20th Oct 2025579 AMAQI
20th Oct 20255810 AMAQI
20th Oct 20256011 AMAQI
20th Oct 20256112 PMAQI
20th Oct 2025611 PMAQI
20th Oct 2025612 PMAQI
20th Oct 2025613 PMAQI
20th Oct 2025624 PMAQI
20th Oct 2025585 PMAQI
20th Oct 2025566 PMAQI
20th Oct 2025567 PMAQI
20th Oct 2025548 PMAQI
20th Oct 2025559 PMAQI
20th Oct 20255410 PMAQI
20th Oct 20255411 PMAQI
21st Oct 20255512 AMAQI
21st Oct 2025541 AMAQI
21st Oct 2025562 AMAQI
21st Oct 2025563 AMAQI
21st Oct 2025564 AMAQI
21st Oct 2025555 AMAQI
11°C7/15°C
21st Oct 2025576 AMAQI
21st Oct 2025577 AMAQI
21st Oct 2025578 AMAQI
21st Oct 2025559 AMAQI
21st Oct 20255610 AMAQI
21st Oct 20255511 AMAQI
21st Oct 20255812 PMAQI
21st Oct 2025591 PMAQI
21st Oct 2025622 PMAQI
21st Oct 2025613 PMAQI
21st Oct 2025644 PMAQI
21st Oct 2025565 PMAQI
21st Oct 2025546 PMAQI
21st Oct 2025557 PMAQI
21st Oct 2025588 PMAQI
21st Oct 2025589 PMAQI
21st Oct 20255510 PMAQI
21st Oct 20255511 PMAQI
22nd Oct 20255712 AMAQI
22nd Oct 2025561 AMAQI
22nd Oct 2025582 AMAQI
22nd Oct 2025573 AMAQI
22nd Oct 2025484 AMAQI
22nd Oct 2025365 AMAQI
10°C7/14°C
22nd Oct 2025356 AMAQI
22nd Oct 2025337 AMAQI
22nd Oct 2025398 AMAQI
22nd Oct 2025399 AMAQI
22nd Oct 20254310 AMAQI
22nd Oct 20254311 AMAQI
22nd Oct 20253212 PMAQI
22nd Oct 2025421 PMAQI
22nd Oct 2025432 PMAQI
22nd Oct 2025393 PMAQI
22nd Oct 2025404 PMAQI
22nd Oct 2025205 PMAQI
22nd Oct 2025116 PMAQI
22nd Oct 2025197 PMAQI
22nd Oct 2025208 PMAQI
22nd Oct 2025239 PMAQI
22nd Oct 20253010 PMAQI
22nd Oct 20253211 PMAQI
23rd Oct 20253312 AMAQI
23rd Oct 2025331 AMAQI
23rd Oct 2025222 AMAQI
23rd Oct 2025183 AMAQI
23rd Oct 2025184 AMAQI
23rd Oct 2025275 AMAQI
12°C7/17°C
23rd Oct 2025306 AMAQI
23rd Oct 2025307 AMAQI
23rd Oct 2025238 AMAQI
23rd Oct 2025229 AMAQI
23rd Oct 20252710 AMAQI
23rd Oct 20252811 AMAQI
23rd Oct 20252612 PMAQI
23rd Oct 2025241 PMAQI
23rd Oct 2025202 PMAQI
23rd Oct 2025243 PMAQI
23rd Oct 2025284 PMAQI
23rd Oct 2025285 PMAQI
23rd Oct 2025276 PMAQI
23rd Oct 2025267 PMAQI
23rd Oct 2025308 PMAQI
23rd Oct 2025399 PMAQI
23rd Oct 20255310 PMAQI
23rd Oct 20254711 PMAQI
24th Oct 20254012 AMAQI
24th Oct 2025431 AMAQI
24th Oct 2025412 AMAQI
24th Oct 2025273 AMAQI
24th Oct 2025364 AMAQI
24th Oct 2025245 AMAQI
14°C12/18°C
24th Oct 2025226 AMAQI
24th Oct 2025227 AMAQI
24th Oct 2025188 AMAQI
24th Oct 2025179 AMAQI
24th Oct 20251810 AMAQI
24th Oct 20252011 AMAQI
24th Oct 20252012 PMAQI
24th Oct 2025171 PMAQI
24th Oct 2025142 PMAQI
24th Oct 2025153 PMAQI
24th Oct 2025174 PMAQI
24th Oct 2025175 PMAQI
24th Oct 2025276 PMAQI
24th Oct 2025227 PMAQI
24th Oct 2025188 PMAQI
24th Oct 2025279 PMAQI
24th Oct 20254210 PMAQI
24th Oct 20254411 PMAQI
25th Oct 20254512 AMAQI
25th Oct 2025471 AMAQI
25th Oct 2025482 AMAQI
25th Oct 2025503 AMAQI
25th Oct 2025494 AMAQI
25th Oct 2025465 AMAQI
13°C9/18°C
25th Oct 2025576 AMAQI
25th Oct 2025327 AMAQI
25th Oct 2025348 AMAQI
25th Oct 2025409 AMAQI
25th Oct 20255410 AMAQI
25th Oct 20255611 AMAQI
25th Oct 20255412 PMAQI
25th Oct 2025531 PMAQI
25th Oct 2025532 PMAQI
25th Oct 2025583 PMAQI
25th Oct 2025604 PMAQI
25th Oct 2025555 PMAQI
25th Oct 2025566 PMAQI
25th Oct 2025607 PMAQI
25th Oct 2025688 PMAQI
25th Oct 2025589 PMAQI
25th Oct 20255810 PMAQI
25th Oct 20255811 PMAQI
26th Oct 20256712 AMAQI
26th Oct 2025771 AMAQI
26th Oct 2025802 AMAQI
26th Oct 2025793 AMAQI
26th Oct 2025734 AMAQI
26th Oct 2025685 AMAQI
14°C12/18°C
26th Oct 2025666 AMAQI
26th Oct 2025667 AMAQI
26th Oct 2025658 AMAQI
26th Oct 2025699 AMAQI
26th Oct 20256910 AMAQI
26th Oct 20257511 AMAQI
26th Oct 20257312 PMAQI
26th Oct 2025651 PMAQI
26th Oct 2025622 PMAQI
26th Oct 2025723 PMAQI
26th Oct 2025694 PMAQI
26th Oct 2025695 PMAQI
26th Oct 2025716 PMAQI
26th Oct 2025727 PMAQI
26th Oct 2025758 PMAQI
26th Oct 2025789 PMAQI
26th Oct 20257610 PMAQI
26th Oct 20259011 PMAQI
27th Oct 20258412 AMAQI
27th Oct 2025821 AMAQI
27th Oct 2025812 AMAQI
27th Oct 2025733 AMAQI
27th Oct 2025714 AMAQI
27th Oct 2025565 AMAQI
12°C11/15°C
27th Oct 2025486 AMAQI
27th Oct 2025417 AMAQI
27th Oct 2025428 AMAQI
27th Oct 2025499 AMAQI
27th Oct 20255910 AMAQI
27th Oct 20255611 AMAQI
27th Oct 20255812 PMAQI
27th Oct 2025501 PMAQI
27th Oct 2025442 PMAQI
27th Oct 2025333 PMAQI
27th Oct 2025334 PMAQI
27th Oct 2025335 PMAQI
27th Oct 2025226 PMAQI
27th Oct 2025217 PMAQI
27th Oct 2025208 PMAQI
27th Oct 2025209 PMAQI
27th Oct 20252110 PMAQI
27th Oct 20251811 PMAQI
28th Oct 20252212 AMAQI
28th Oct 2025181 AMAQI
28th Oct 2025182 AMAQI
28th Oct 2025223 AMAQI
28th Oct 2025244 AMAQI
28th Oct 2025275 AMAQI
7°C4/11°C
28th Oct 2025236 AMAQI
28th Oct 2025357 AMAQI
28th Oct 2025248 AMAQI
28th Oct 2025409 AMAQI
28th Oct 20255110 AMAQI
28th Oct 20255411 AMAQI
28th Oct 20255512 PMAQI
28th Oct 2025541 PMAQI
28th Oct 2025512 PMAQI
28th Oct 2025453 PMAQI
28th Oct 2025304 PMAQI
28th Oct 2025235 PMAQI
28th Oct 2025236 PMAQI
28th Oct 2025267 PMAQI
28th Oct 2025288 PMAQI
28th Oct 2025349 PMAQI
28th Oct 20255310 PMAQI
28th Oct 20255511 PMAQI
29th Oct 20255512 AMAQI
29th Oct 2025561 AMAQI
29th Oct 2025572 AMAQI
29th Oct 2025603 AMAQI
29th Oct 2025624 AMAQI
29th Oct 2025635 AMAQI
6°C1/12°C
29th Oct 2025636 AMAQI
29th Oct 2025597 AMAQI
29th Oct 2025588 AMAQI
29th Oct 2025589 AMAQI
29th Oct 20256710 AMAQI
29th Oct 20256711 AMAQI
29th Oct 20257712 PMAQI
29th Oct 2025731 PMAQI
29th Oct 2025692 PMAQI
29th Oct 2025673 PMAQI
29th Oct 2025664 PMAQI
29th Oct 2025655 PMAQI
29th Oct 2025616 PMAQI
29th Oct 2025627 PMAQI
29th Oct 2025688 PMAQI
29th Oct 2025749 PMAQI
29th Oct 20258210 PMAQI
29th Oct 20258411 PMAQI
30th Oct 20259012 AMAQI
30th Oct 2025911 AMAQI
30th Oct 2025802 AMAQI
30th Oct 2025763 AMAQI
30th Oct 2025784 AMAQI
30th Oct 2025795 AMAQI
8°C3/14°C
30th Oct 2025736 AMAQI
30th Oct 2025787 AMAQI
30th Oct 2025738 AMAQI
30th Oct 2025709 AMAQI
30th Oct 20256510 AMAQI
30th Oct 20256911 AMAQI
30th Oct 20257312 PMAQI
30th Oct 2025751 PMAQI
30th Oct 2025862 PMAQI
30th Oct 2025823 PMAQI
30th Oct 2025794 PMAQI
30th Oct 2025635 PMAQI
30th Oct 2025636 PMAQI
30th Oct 2025737 PMAQI
30th Oct 2025848 PMAQI
30th Oct 2025849 PMAQI
30th Oct 20258810 PMAQI
30th Oct 20259411 PMAQI
31st Oct 20259612 AMAQI
31st Oct 2025981 AMAQI
31st Oct 2025982 AMAQI
31st Oct 2025983 AMAQI
31st Oct 2025924 AMAQI
31st Oct 2025935 AMAQI
10°C6/15°C
31st Oct 2025966 AMAQI
31st Oct 2025907 AMAQI
31st Oct 2025868 AMAQI
31st Oct 2025909 AMAQI
31st Oct 20258710 AMAQI
31st Oct 20258311 AMAQI
31st Oct 20258712 PMAQI
31st Oct 2025871 PMAQI
31st Oct 2025772 PMAQI
31st Oct 2025743 PMAQI
31st Oct 2025684 PMAQI
31st Oct 2025675 PMAQI
31st Oct 2025656 PMAQI
31st Oct 2025687 PMAQI
31st Oct 2025718 PMAQI
31st Oct 2025749 PMAQI
31st Oct 20257910 PMAQI
31st Oct 20257911 PMAQI
1st Nov 20257412 AMAQI
1st Nov 2025711 AMAQI
1st Nov 2025692 AMAQI
1st Nov 2025633 AMAQI
1st Nov 2025624 AMAQI
1st Nov 2025605 AMAQI
12°C8/18°C
1st Nov 2025566 AMAQI
1st Nov 2025627 AMAQI
1st Nov 2025608 AMAQI
1st Nov 2025619 AMAQI
1st Nov 20255910 AMAQI
1st Nov 20255511 AMAQI
1st Nov 20254712 PMAQI
1st Nov 2025551 PMAQI
1st Nov 2025542 PMAQI
1st Nov 2025523 PMAQI
1st Nov 2025384 PMAQI
1st Nov 2025365 PMAQI
1st Nov 2025326 PMAQI
1st Nov 2025297 PMAQI
1st Nov 2025408 PMAQI
1st Nov 2025559 PMAQI
1st Nov 20255710 PMAQI
1st Nov 20255511 PMAQI
2nd Nov 20255912 AMAQI
2nd Nov 2025571 AMAQI
2nd Nov 2025562 AMAQI
2nd Nov 2025443 AMAQI
2nd Nov 2025444 AMAQI
2nd Nov 2025535 AMAQI
12°C9/16°C
2nd Nov 2025496 AMAQI
2nd Nov 2025487 AMAQI
2nd Nov 2025368 AMAQI
2nd Nov 2025489 AMAQI
2nd Nov 20254010 AMAQI
2nd Nov 20254411 AMAQI
2nd Nov 20254412 PMAQI
2nd Nov 2025401 PMAQI
2nd Nov 2025342 PMAQI
2nd Nov 2025383 PMAQI
2nd Nov 2025314 PMAQI
2nd Nov 2025295 PMAQI
2nd Nov 2025286 PMAQI
2nd Nov 2025317 PMAQI
2nd Nov 2025328 PMAQI
2nd Nov 2025309 PMAQI
2nd Nov 20253710 PMAQI
2nd Nov 20253711 PMAQI
3rd Nov 20253812 AMAQI
3rd Nov 2025351 AMAQI
3rd Nov 2025412 AMAQI
3rd Nov 2025343 AMAQI
3rd Nov 2025434 AMAQI
3rd Nov 2025425 AMAQI
9°C4/11°C
3rd Nov 2025366 AMAQI
3rd Nov 2025407 AMAQI
3rd Nov 2025438 AMAQI
3rd Nov 2025449 AMAQI
3rd Nov 20255410 AMAQI
3rd Nov 20255911 AMAQI
3rd Nov 20255812 PMAQI
3rd Nov 2025551 PMAQI
3rd Nov 2025542 PMAQI
3rd Nov 2025543 PMAQI
3rd Nov 2025564 PMAQI
3rd Nov 2025565 PMAQI
3rd Nov 2025566 PMAQI
3rd Nov 2025487 PMAQI
3rd Nov 2025478 PMAQI
3rd Nov 2025559 PMAQI
3rd Nov 20256010 PMAQI
3rd Nov 20255811 PMAQI
4th Nov 20256212 AMAQI
4th Nov 2025641 AMAQI
4th Nov 2025762 AMAQI
4th Nov 2025613 AMAQI
4th Nov 2025584 AMAQI
4th Nov 2025585 AMAQI
6°C1/11°C
4th Nov 2025636 AMAQI
4th Nov 2025697 AMAQI
4th Nov 2025688 AMAQI
4th Nov 2025599 AMAQI
4th Nov 20255710 AMAQI
4th Nov 20255811 AMAQI
4th Nov 20255712 PMAQI
4th Nov 2025711 PMAQI
4th Nov 2025662 PMAQI
4th Nov 2025683 PMAQI
4th Nov 2025694 PMAQI
4th Nov 2025695 PMAQI
4th Nov 2025626 PMAQI
4th Nov 2025627 PMAQI
4th Nov 2025678 PMAQI
4th Nov 2025719 PMAQI
4th Nov 20257010 PMAQI
4th Nov 20258711 PMAQI
5th Nov 20258212 AMAQI
5th Nov 2025911 AMAQI
5th Nov 20251002 AMAQI
5th Nov 2025923 AMAQI
5th Nov 2025864 AMAQI
5th Nov 2025905 AMAQI
8°C4/14°C
5th Nov 2025876 AMAQI
5th Nov 2025877 AMAQI
5th Nov 2025848 AMAQI
5th Nov 2025849 AMAQI
5th Nov 20258710 AMAQI
5th Nov 20258211 AMAQI
5th Nov 20258112 PMAQI
5th Nov 2025791 PMAQI
5th Nov 2025782 PMAQI
5th Nov 2025803 PMAQI
5th Nov 2025794 PMAQI
5th Nov 2025835 PMAQI
5th Nov 2025876 PMAQI
5th Nov 2025897 PMAQI
5th Nov 2025928 PMAQI
5th Nov 2025979 PMAQI
5th Nov 202510010 PMAQI
5th Nov 20259411 PMAQI
6th Nov 20259512 AMAQI
6th Nov 2025941 AMAQI
6th Nov 2025892 AMAQI
6th Nov 2025863 AMAQI
6th Nov 2025904 AMAQI
6th Nov 2025865 AMAQI
10°C6/16°C
6th Nov 2025796 AMAQI
6th Nov 2025827 AMAQI
6th Nov 2025808 AMAQI
6th Nov 2025829 AMAQI
6th Nov 20259010 AMAQI
6th Nov 20259711 AMAQI
6th Nov 20259112 PMAQI
6th Nov 2025841 PMAQI
6th Nov 2025842 PMAQI
6th Nov 2025833 PMAQI
6th Nov 2025804 PMAQI
6th Nov 2025845 PMAQI
6th Nov 2025836 PMAQI
6th Nov 20251027 PMAQI
6th Nov 20251218 PMAQI
6th Nov 20251269 PMAQI
6th Nov 202512610 PMAQI
6th Nov 202512311 PMAQI
7th Nov 202512812 AMAQI
7th Nov 20251241 AMAQI
7th Nov 20251152 AMAQI
7th Nov 20251123 AMAQI
7th Nov 20251064 AMAQI
7th Nov 2025975 AMAQI
11°C7/17°C
7th Nov 2025996 AMAQI
7th Nov 2025977 AMAQI
7th Nov 2025948 AMAQI
7th Nov 2025969 AMAQI
7th Nov 20259510 AMAQI
7th Nov 20259311 AMAQI
7th Nov 20259112 PMAQI
7th Nov 2025791 PMAQI
7th Nov 2025832 PMAQI
7th Nov 2025783 PMAQI
7th Nov 2025754 PMAQI
7th Nov 2025765 PMAQI
7th Nov 2025766 PMAQI
7th Nov 2025797 PMAQI
7th Nov 2025818 PMAQI
7th Nov 2025849 PMAQI
7th Nov 20259010 PMAQI
7th Nov 20259011 PMAQI
8th Nov 20258512 AMAQI
8th Nov 2025821 AMAQI
8th Nov 2025802 AMAQI
8th Nov 2025803 AMAQI
8th Nov 2025814 AMAQI
8th Nov 2025795 AMAQI
12°C8/18°C
8th Nov 2025846 AMAQI
8th Nov 2025827 AMAQI
8th Nov 2025858 AMAQI
8th Nov 2025779 AMAQI
8th Nov 20257610 AMAQI
8th Nov 20258011 AMAQI
8th Nov 20257412 PMAQI
8th Nov 2025721 PMAQI
8th Nov 2025702 PMAQI
8th Nov 2025693 PMAQI
8th Nov 2025544 PMAQI
8th Nov 2025565 PMAQI
8th Nov 2025586 PMAQI
8th Nov 2025607 PMAQI
8th Nov 2025638 PMAQI
8th Nov 2025609 PMAQI
8th Nov 20256110 PMAQI
8th Nov 20256611 PMAQI
9th Nov 20256912 AMAQI
9th Nov 2025671 AMAQI
9th Nov 2025642 AMAQI
9th Nov 2025653 AMAQI
9th Nov 2025624 AMAQI
9th Nov 2025575 AMAQI
12°C9/16°C
9th Nov 2025596 AMAQI
9th Nov 2025467 AMAQI
9th Nov 2025518 AMAQI
9th Nov 2025539 AMAQI
9th Nov 20255910 AMAQI
9th Nov 20256011 AMAQI
9th Nov 20257012 PMAQI
9th Nov 2025641 PMAQI
9th Nov 2025712 PMAQI
9th Nov 2025713 PMAQI
9th Nov 2025734 PMAQI
9th Nov 2025675 PMAQI
9th Nov 2025716 PMAQI
9th Nov 2025697 PMAQI
9th Nov 2025738 PMAQI
9th Nov 2025759 PMAQI
9th Nov 20256910 PMAQI
9th Nov 20257911 PMAQI
10th Nov 20257412 AMAQI
10th Nov 2025661 AMAQI
10th Nov 2025502 AMAQI
10th Nov 2025373 AMAQI
10th Nov 2025324 AMAQI
10th Nov 2025275 AMAQI
13°C9/16°C
10th Nov 2025226 AMAQI
6 AM10th Nov 2025257 AMAQI
10th Nov 2025388 AMAQI
10th Nov 2025329 AMAQI
10th Nov 20254210 AMAQI
10th Nov 20253311 AMAQI
11 AM10th Nov 20253312 PMAQI
5 PM
11 PM
5 AM
--°C/°C
Day time
Avg. Highest Time
11 AM - 3 PM
54AQI
5 hours / Day
150 hours / Month
Avg. Lowest Time
8 AM
48AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 11 AM to 3 PM (Avg. 54), while the lowest AQI was between 8 AM to 8 AM (Avg. 48).
Night time
Avg. Highest Time
11 PM
61AQI
1 hours / Day
30 hours / Month
Avg. Lowest Time
6 PM
47AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 11 PM to 11 PM (Avg. 61), while the lowest AQI was between 6 PM to 6 PM (Avg. 47).
2025 Days Vs Air Quality
Changjeon Dong, Ichon, Gyeonggi, South Korea
2025
34%
107
59%
186
6%
19
0.3%
1
Total number of days with different AQI categories in last 314 days in 2025 (51 days remaining)
Good
107 DaysModerate
186 DaysPoor
19 DaysUnhealthy
1 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 34%
Health Risk Level:
High
In 2025, 34% of 314 days were within WHO’s safe air quality limits. The risk of health issues is High, with respiratory problems, heart disease, skin issues, and stress being more common, particularly among children and the elderly.
Annual Air Quality Insights
Changjeon Dong, Ichon, Gyeonggi, South Korea
AQI levels in 2025
AQI
PM2.5
PM10
CO
SO2
NO2
O3
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
-1th undefined 2025
-1th undefined 2025
-1th undefined 2025
1st January 2025
77AQI
77AQI
2nd January 2025
69AQI
69AQI
3rd January 2025
60AQI
60AQI
4th January 2025
62AQI
62AQI
5th January 2025
74AQI
74AQI
6th January 2025
102AQI
102AQI
7th January 2025
57AQI
57AQI
8th January 2025
75AQI
75AQI
9th January 2025
42AQI
42AQI
10th January 2025
65AQI
65AQI
11th January 2025
63AQI
63AQI
12th January 2025
85AQI
85AQI
13th January 2025
111AQI
111AQI
14th January 2025
108AQI
108AQI
15th January 2025
61AQI
61AQI
16th January 2025
82AQI
82AQI
17th January 2025
94AQI
94AQI
18th January 2025
107AQI
107AQI
19th January 2025
115AQI
115AQI
20th January 2025
141AQI
141AQI
21st January 2025
155AQI
155AQI
22nd January 2025
150AQI
150AQI
23rd January 2025
135AQI
135AQI
24th January 2025
114AQI
114AQI
25th January 2025
78AQI
78AQI
26th January 2025
59AQI
59AQI
27th January 2025
68AQI
68AQI
28th January 2025
57AQI
57AQI
29th January 2025
60AQI
60AQI
30th January 2025
54AQI
54AQI
31st January 2025
73AQI
73AQI
1st February 2025
72AQI
72AQI
2nd February 2025
77AQI
77AQI
3rd February 2025
52AQI
52AQI
4th February 2025
51AQI
51AQI
5th February 2025
44AQI
44AQI
6th February 2025
55AQI
55AQI
7th February 2025
49AQI
49AQI
8th February 2025
47AQI
47AQI
9th February 2025
55AQI
55AQI
10th February 2025
62AQI
62AQI
11th February 2025
77AQI
77AQI
12th February 2025
82AQI
82AQI
13th February 2025
51AQI
51AQI
14th February 2025
92AQI
92AQI
15th February 2025
58AQI
58AQI
16th February 2025
124AQI
124AQI
17th February 2025
50AQI
50AQI
18th February 2025
66AQI
66AQI
19th February 2025
50AQI
50AQI
20th February 2025
58AQI
58AQI
21st February 2025
54AQI
54AQI
22nd February 2025
57AQI
57AQI
23rd February 2025
54AQI
54AQI
24th February 2025
58AQI
58AQI
25th February 2025
63AQI
63AQI
26th February 2025
74AQI
74AQI
27th February 2025
60AQI
60AQI
28th February 2025
91AQI
91AQI
1st March 2025
103AQI
103AQI
2nd March 2025
81AQI
81AQI
3rd March 2025
57AQI
57AQI
4th March 2025
49AQI
49AQI
5th March 2025
37AQI
37AQI
6th March 2025
67AQI
67AQI
7th March 2025
91AQI
91AQI
8th March 2025
82AQI
82AQI
9th March 2025
101AQI
101AQI
10th March 2025
105AQI
105AQI
11th March 2025
114AQI
114AQI
12th March 2025
103AQI
103AQI
13th March 2025
94AQI
94AQI
14th March 2025
82AQI
82AQI
15th March 2025
53AQI
53AQI
16th March 2025
73AQI
73AQI
17th March 2025
61AQI
61AQI
18th March 2025
60AQI
60AQI
19th March 2025
76AQI
76AQI
20th March 2025
87AQI
87AQI
21st March 2025
98AQI
98AQI
22nd March 2025
105AQI
105AQI
23rd March 2025
109AQI
109AQI
24th March 2025
119AQI
119AQI
25th March 2025
131AQI
131AQI
26th March 2025
92AQI
92AQI
27th March 2025
92AQI
92AQI
28th March 2025
66AQI
66AQI
29th March 2025
48AQI
48AQI
30th March 2025
44AQI
44AQI
31st March 2025
59AQI
59AQI
1st April 2025
74AQI
74AQI
2nd April 2025
77AQI
77AQI
3rd April 2025
75AQI
75AQI
4th April 2025
82AQI
82AQI
5th April 2025
74AQI
74AQI
6th April 2025
69AQI
69AQI
7th April 2025
72AQI
72AQI
8th April 2025
77AQI
77AQI
9th April 2025
70AQI
70AQI
10th April 2025
75AQI
75AQI
11th April 2025
78AQI
78AQI
12th April 2025
66AQI
66AQI
13th April 2025
61AQI
61AQI
14th April 2025
49AQI
49AQI
15th April 2025
53AQI
53AQI
16th April 2025
64AQI
64AQI
17th April 2025
64AQI
64AQI
18th April 2025
81AQI
81AQI
19th April 2025
57AQI
57AQI
20th April 2025
56AQI
56AQI
21st April 2025
51AQI
51AQI
22nd April 2025
44AQI
44AQI
23rd April 2025
34AQI
34AQI
24th April 2025
59AQI
59AQI
25th April 2025
62AQI
62AQI
26th April 2025
55AQI
55AQI
27th April 2025
43AQI
43AQI
28th April 2025
56AQI
56AQI
29th April 2025
66AQI
66AQI
30th April 2025
61AQI
61AQI
1st May 2025
57AQI
57AQI
2nd May 2025
47AQI
47AQI
3rd May 2025
48AQI
48AQI
4th May 2025
48AQI
48AQI
5th May 2025
53AQI
53AQI
6th May 2025
38AQI
38AQI
7th May 2025
55AQI
55AQI
8th May 2025
65AQI
65AQI
9th May 2025
52AQI
52AQI
10th May 2025
53AQI
53AQI
11th May 2025
68AQI
68AQI
12th May 2025
71AQI
71AQI
13th May 2025
73AQI
73AQI
14th May 2025
74AQI
74AQI
15th May 2025
61AQI
61AQI
16th May 2025
59AQI
59AQI
17th May 2025
42AQI
42AQI
18th May 2025
58AQI
58AQI
19th May 2025
60AQI
60AQI
20th May 2025
50AQI
50AQI
21st May 2025
51AQI
51AQI
22nd May 2025
49AQI
49AQI
23rd May 2025
61AQI
61AQI
24th May 2025
42AQI
42AQI
25th May 2025
49AQI
49AQI
26th May 2025
58AQI
58AQI
27th May 2025
81AQI
81AQI
28th May 2025
88AQI
88AQI
29th May 2025
77AQI
77AQI
30th May 2025
62AQI
62AQI
31st May 2025
68AQI
68AQI
1st June 2025
85AQI
85AQI
2nd June 2025
95AQI
95AQI
3rd June 2025
81AQI
81AQI
4th June 2025
57AQI
57AQI
5th June 2025
60AQI
60AQI
6th June 2025
61AQI
61AQI
7th June 2025
72AQI
72AQI
8th June 2025
62AQI
62AQI
9th June 2025
66AQI
66AQI
10th June 2025
56AQI
56AQI
11th June 2025
55AQI
55AQI
12th June 2025
58AQI
58AQI
13th June 2025
73AQI
73AQI
14th June 2025
50AQI
50AQI
15th June 2025
59AQI
59AQI
16th June 2025
63AQI
63AQI
17th June 2025
62AQI
62AQI
18th June 2025
70AQI
70AQI
19th June 2025
67AQI
67AQI
20th June 2025
45AQI
45AQI
21st June 2025
55AQI
55AQI
22nd June 2025
68AQI
68AQI
23rd June 2025
66AQI
66AQI
24th June 2025
58AQI
58AQI
25th June 2025
49AQI
49AQI
26th June 2025
54AQI
54AQI
27th June 2025
73AQI
73AQI
28th June 2025
66AQI
66AQI
29th June 2025
51AQI
51AQI
30th June 2025
47AQI
47AQI
1st July 2025
44AQI
44AQI
2nd July 2025
40AQI
40AQI
3rd July 2025
53AQI
53AQI
4th July 2025
53AQI
53AQI
5th July 2025
51AQI
51AQI
6th July 2025
55AQI
55AQI
7th July 2025
66AQI
66AQI
8th July 2025
67AQI
67AQI
9th July 2025
59AQI
59AQI
10th July 2025
49AQI
49AQI
11th July 2025
45AQI
45AQI
12th July 2025
46AQI
46AQI
13th July 2025
61AQI
61AQI
14th July 2025
48AQI
48AQI
15th July 2025
41AQI
41AQI
16th July 2025
54AQI
54AQI
17th July 2025
38AQI
38AQI
18th July 2025
43AQI
43AQI
19th July 2025
33AQI
33AQI
20th July 2025
37AQI
37AQI
21st July 2025
38AQI
38AQI
22nd July 2025
44AQI
44AQI
23rd July 2025
53AQI
53AQI
24th July 2025
56AQI
56AQI
25th July 2025
60AQI
60AQI
26th July 2025
48AQI
48AQI
27th July 2025
42AQI
42AQI
28th July 2025
62AQI
62AQI
29th July 2025
65AQI
65AQI
30th July 2025
57AQI
57AQI
31st July 2025
57AQI
57AQI
1st August 2025
59AQI
59AQI
2nd August 2025
63AQI
63AQI
3rd August 2025
62AQI
62AQI
4th August 2025
49AQI
49AQI
5th August 2025
52AQI
52AQI
6th August 2025
46AQI
46AQI
7th August 2025
51AQI
51AQI
8th August 2025
60AQI
60AQI
9th August 2025
62AQI
62AQI
10th August 2025
52AQI
52AQI
11th August 2025
58AQI
58AQI
12th August 2025
45AQI
45AQI
13th August 2025
39AQI
39AQI
14th August 2025
41AQI
41AQI
15th August 2025
39AQI
39AQI
16th August 2025
41AQI
41AQI
17th August 2025
41AQI
41AQI
18th August 2025
51AQI
51AQI
19th August 2025
44AQI
44AQI
20th August 2025
46AQI
46AQI
21st August 2025
47AQI
47AQI
22nd August 2025
47AQI
47AQI
23rd August 2025
49AQI
49AQI
24th August 2025
52AQI
52AQI
25th August 2025
50AQI
50AQI
26th August 2025
45AQI
45AQI
27th August 2025
49AQI
49AQI
28th August 2025
52AQI
52AQI
29th August 2025
47AQI
47AQI
30th August 2025
45AQI
45AQI
31st August 2025
51AQI
51AQI
1st September 2025
41AQI
41AQI
2nd September 2025
48AQI
48AQI
3rd September 2025
48AQI
48AQI
4th September 2025
38AQI
38AQI
5th September 2025
37AQI
37AQI
6th September 2025
39AQI
39AQI
7th September 2025
41AQI
41AQI
8th September 2025
48AQI
48AQI
9th September 2025
52AQI
52AQI
10th September 2025
46AQI
46AQI
11th September 2025
46AQI
46AQI
12th September 2025
45AQI
45AQI
13th September 2025
37AQI
37AQI
14th September 2025
43AQI
43AQI
15th September 2025
52AQI
52AQI
16th September 2025
45AQI
45AQI
17th September 2025
38AQI
38AQI
18th September 2025
31AQI
31AQI
19th September 2025
34AQI
34AQI
20th September 2025
28AQI
28AQI
21st September 2025
24AQI
24AQI
22nd September 2025
26AQI
26AQI
23rd September 2025
28AQI
28AQI
24th September 2025
34AQI
34AQI
25th September 2025
43AQI
43AQI
26th September 2025
64AQI
64AQI
27th September 2025
48AQI
48AQI
28th September 2025
41AQI
41AQI
29th September 2025
56AQI
56AQI
30th September 2025
67AQI
67AQI
1st October 2025
80AQI
80AQI
2nd October 2025
79AQI
79AQI
3rd October 2025
70AQI
70AQI
4th October 2025
41AQI
41AQI
5th October 2025
46AQI
46AQI
6th October 2025
25AQI
25AQI
7th October 2025
30AQI
30AQI
8th October 2025
30AQI
30AQI
9th October 2025
39AQI
39AQI
10th October 2025
38AQI
38AQI
11th October 2025
39AQI
39AQI
12th October 2025
42AQI
42AQI
13th October 2025
26AQI
26AQI
14th October 2025
42AQI
42AQI
15th October 2025
38AQI
38AQI
16th October 2025
40AQI
40AQI
17th October 2025
42AQI
42AQI
18th October 2025
40AQI
40AQI
19th October 2025
51AQI
51AQI
20th October 2025
59AQI
59AQI
21st October 2025
56AQI
56AQI
22nd October 2025
36AQI
36AQI
23rd October 2025
29AQI
29AQI
24th October 2025
26AQI
26AQI
25th October 2025
52AQI
52AQI
26th October 2025
73AQI
73AQI
27th October 2025
46AQI
46AQI
28th October 2025
34AQI
34AQI
29th October 2025
66AQI
66AQI
30th October 2025
78AQI
78AQI
31st October 2025
83AQI
83AQI
1st November 2025
54AQI
54AQI
2nd November 2025
41AQI
41AQI
3rd November 2025
48AQI
48AQI
4th November 2025
66AQI
66AQI
5th November 2025
88AQI
88AQI
6th November 2025
95AQI
95AQI
7th November 2025
93AQI
93AQI
8th November 2025
72AQI
72AQI
9th November 2025
63AQI
63AQI
10th November 2025
11th November 2025
12th November 2025
13th November 2025
14th November 2025
15th November 2025
16th November 2025
17th November 2025
18th November 2025
19th November 2025
20th November 2025
21st November 2025
22nd November 2025
23rd November 2025
24th November 2025
25th November 2025
26th November 2025
27th November 2025
28th November 2025
29th November 2025
30th November 2025
1st December 2025
2nd December 2025
3rd December 2025
4th December 2025
5th December 2025
6th December 2025
7th December 2025
8th December 2025
9th December 2025
10th December 2025
11th December 2025
12th December 2025
13th December 2025
14th December 2025
15th December 2025
16th December 2025
17th December 2025
18th December 2025
19th December 2025
20th December 2025
21st December 2025
22nd December 2025
23rd December 2025
24th December 2025
25th December 2025
26th December 2025
27th December 2025
28th December 2025
29th December 2025
30th December 2025
31st December 2025
86AQI
64AQI
82AQI
64AQI
59AQI
63AQI
50AQI
50AQI
42AQI
48AQI
69AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202561AQI
1
20
9
1
5
22
1
4
18
9
4
26
9
22
4
26
15
16
18
13
25
5
20
11
2
7
107
186
19
1
Highest AQI recorded in
January86AQI
Lowest AQI recorded in
September42AQI
202461AQI
10
13
8
12
13
4
8
20
3
4
23
3
13
17
1
6
24
21
9
1
17
14
24
6
15
16
6
23
1
4
26
1
140
204
22
Highest AQI recorded in
January75AQI
Lowest AQI recorded in
September41AQI
202368AQI
6
16
6
3
1
20
5
2
5
14
12
2
24
3
1
7
24
4
26
15
14
2
15
16
18
12
14
14
3
13
12
4
11
12
8
111
204
43
6
Highest AQI recorded in
February89AQI
Lowest AQI recorded in
August49AQI
202269AQI
4
20
5
2
6
9
5
1
8
17
6
3
13
1
8
21
2
14
16
4
17
1
19
9
1
14
13
4
5
16
8
1
9
14
7
1
95
165
39
5
Highest AQI recorded in
November84AQI
Lowest AQI recorded in
August25AQI
202166AQI
11
13
6
1
7
13
8
5
14
10
2
9
19
2
9
18
2
1
1
4
24
2
17
14
16
14
26
4
11
19
1
7
15
6
2
10
13
8
132
180
45
5
1
1
Highest AQI recorded in
March88AQI
Lowest AQI recorded in
September37AQI
202064AQI
3
8
2
3
17
1
4
13
1
3
25
2
20
11
21
10
20
9
13
14
4
11
11
6
2
10
11
8
2
108
129
24
4
Highest AQI recorded in
December84AQI
Lowest AQI recorded in
September43AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2022(Avg.)
69AQILeast Polluted Year Recorded
2024(Avg.)
61AQIChangjeon Dong's annual 2025 AQI (61) shows an average percentage change of -6.8% (improved AQI) compared to previous years: 2020 (64), 2021 (66), 2022 (69), 2023 (68), 2024 (61).
