Opo Eup, Songnam, 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
Opo Eup, Songnam, Gyeonggi, South Korea
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
21st Nov 2021
171AQILowest AQI recorded on
8th Nov 2021
25AQISame Day Analysis (4th November ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 3rd highest AQI at 64 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 Nov - 5th Nov 2025
Opo Eup, Songnam, Gyeonggi, South Korea
AQI
Day
Night
.
6 AM4th Nov 2025
5 PM
5 AM5th Nov 2025
Day time
Avg. Highest Time
6AM4th Nov
67AQI
Avg. Lowest Time
2PM4th Nov
61AQI
Night time
Avg. Highest Time
12AM5th Nov
91AQI
Avg. Lowest Time
6PM4th Nov
63AQI
In the last 24 hours,
Opo Eup's AQI reached its highest point of 91 at 12 AM during the Night, while the lowest point, 61, was recorded at 2 PM during the Day between 4th Nov and 5th Nov 2025.
Day & Night AQI Trend : Oct - Nov 2025
Opo Eup, Songnam, Gyeonggi, South Korea
OctNov
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 Oct 2025166 AMAQI
6th Oct 2025167 AMAQI
6th Oct 2025208 AMAQI
6th Oct 2025179 AMAQI
6th Oct 20252810 AMAQI
6th Oct 20253211 AMAQI
6th Oct 20253812 PMAQI
6th Oct 2025511 PMAQI
6th Oct 2025392 PMAQI
6th Oct 2025333 PMAQI
6th Oct 2025354 PMAQI
6th Oct 2025265 PMAQI
6th Oct 2025216 PMAQI
6th Oct 2025247 PMAQI
6th Oct 2025228 PMAQI
6th Oct 2025219 PMAQI
6th Oct 20252410 PMAQI
6th Oct 20252411 PMAQI
7th Oct 20252812 AMAQI
7th Oct 2025251 AMAQI
7th Oct 2025242 AMAQI
17°C14/19°C
7th Oct 2025238 PMAQI
7th Oct 2025259 PMAQI
7th Oct 20252610 PMAQI
7th Oct 20252411 PMAQI
8th Oct 20252912 AMAQI
8th Oct 2025281 AMAQI
8th Oct 2025262 AMAQI
8th Oct 2025273 AMAQI
8th Oct 2025274 AMAQI
8th Oct 2025175 AMAQI
17°C14/18°C
8th Oct 2025236 AMAQI
8th Oct 2025247 AMAQI
8th Oct 2025308 AMAQI
8th Oct 2025299 AMAQI
8th Oct 20251810 AMAQI
8th Oct 20253211 AMAQI
8th Oct 20253912 PMAQI
8th Oct 2025421 PMAQI
8th Oct 2025482 PMAQI
8th Oct 2025483 PMAQI
8th Oct 2025494 PMAQI
8th Oct 2025425 PMAQI
8th Oct 2025396 PMAQI
8th Oct 2025407 PMAQI
8th Oct 2025448 PMAQI
8th Oct 2025439 PMAQI
8th Oct 20255210 PMAQI
8th Oct 20255211 PMAQI
9th Oct 20254612 AMAQI
9th Oct 2025471 AMAQI
9th Oct 2025482 AMAQI
9th Oct 2025523 AMAQI
9th Oct 2025354 AMAQI
9th Oct 2025245 AMAQI
21°C17/26°C
9th Oct 2025496 AMAQI
9th Oct 2025567 AMAQI
9th Oct 2025558 AMAQI
9th Oct 2025249 AMAQI
9th Oct 20252110 AMAQI
9th Oct 20252511 AMAQI
9th Oct 20252012 PMAQI
9th Oct 2025231 PMAQI
9th Oct 2025192 PMAQI
9th Oct 2025243 PMAQI
9th Oct 2025154 PMAQI
9th Oct 2025125 PMAQI
9th Oct 2025126 PMAQI
9th Oct 2025207 PMAQI
9th Oct 2025138 PMAQI
9th Oct 2025129 PMAQI
9th Oct 20251110 PMAQI
9th Oct 20251211 PMAQI
10th Oct 20251212 AMAQI
10th Oct 2025111 AMAQI
10th Oct 2025132 AMAQI
10th Oct 2025293 AMAQI
10th Oct 2025264 AMAQI
10th Oct 2025285 AMAQI
19°C17/22°C
10th Oct 2025266 AMAQI
10th Oct 2025337 AMAQI
10th Oct 2025248 AMAQI
10th Oct 2025279 AMAQI
10th Oct 20251910 AMAQI
10th Oct 20252611 AMAQI
10th Oct 20255212 PMAQI
10th Oct 2025511 PMAQI
10th Oct 2025402 PMAQI
10th Oct 2025133 PMAQI
10th Oct 2025384 PMAQI
10th Oct 2025525 PMAQI
10th Oct 2025526 PMAQI
10th Oct 2025507 PMAQI
10th Oct 2025248 PMAQI
10th Oct 2025129 PMAQI
10th Oct 20251310 PMAQI
10th Oct 20251211 PMAQI
11th Oct 20251212 AMAQI
11th Oct 2025181 AMAQI
11th Oct 2025142 AMAQI
11th Oct 2025383 AMAQI
11th Oct 2025264 AMAQI
11th Oct 2025275 AMAQI
16°C16/17°C
11th Oct 2025276 AMAQI
11th Oct 2025197 AMAQI
11th Oct 2025178 AMAQI
11th Oct 2025189 AMAQI
11th Oct 20252110 AMAQI
11th Oct 20253311 AMAQI
11th Oct 20252612 PMAQI
11th Oct 2025401 PMAQI
11th Oct 2025582 PMAQI
11th Oct 2025643 PMAQI
11th Oct 2025804 PMAQI
11th Oct 2025615 PMAQI
11th Oct 2025576 PMAQI
11th Oct 2025567 PMAQI
11th Oct 2025568 PMAQI
11th Oct 2025339 PMAQI
11th Oct 20252610 PMAQI
11th Oct 20252611 PMAQI
12th Oct 20254512 AMAQI
12th Oct 2025511 AMAQI
12th Oct 2025522 AMAQI
12th Oct 2025573 AMAQI
12th Oct 2025614 AMAQI
12th Oct 2025465 AMAQI
20°C16/25°C
12th Oct 2025476 AMAQI
12th Oct 2025457 AMAQI
12th Oct 2025238 AMAQI
12th Oct 2025189 AMAQI
12th Oct 20255110 AMAQI
12th Oct 20254211 AMAQI
12th Oct 20254312 PMAQI
12th Oct 2025431 PMAQI
12th Oct 2025502 PMAQI
12th Oct 2025253 PMAQI
12th Oct 2025414 PMAQI
12th Oct 2025435 PMAQI
12th Oct 2025356 PMAQI
12th Oct 2025257 PMAQI
12th Oct 2025268 PMAQI
12th Oct 2025279 PMAQI
12th Oct 20252610 PMAQI
12th Oct 20252511 PMAQI
13th Oct 20252212 AMAQI
13th Oct 2025251 AMAQI
13th Oct 2025252 AMAQI
13th Oct 2025233 AMAQI
13th Oct 2025474 AMAQI
13th Oct 2025535 AMAQI
19°C18/20°C
13th Oct 2025556 AMAQI
13th Oct 2025257 AMAQI
13th Oct 2025248 AMAQI
13th Oct 2025269 AMAQI
13th Oct 20252610 AMAQI
13th Oct 20252511 AMAQI
13th Oct 20252412 PMAQI
13th Oct 2025271 PMAQI
13th Oct 2025242 PMAQI
13th Oct 2025223 PMAQI
13th Oct 2025544 PMAQI
13th Oct 2025655 PMAQI
13th Oct 2025656 PMAQI
13th Oct 2025427 PMAQI
13th Oct 2025268 PMAQI
13th Oct 2025259 PMAQI
13th Oct 20252710 PMAQI
13th Oct 20252711 PMAQI
14th Oct 20252712 AMAQI
14th Oct 2025281 AMAQI
14th Oct 2025292 AMAQI
14th Oct 2025293 AMAQI
14th Oct 2025314 AMAQI
14th Oct 2025305 AMAQI
16°C13/16°C
14th Oct 2025466 AMAQI
14th Oct 2025467 AMAQI
14th Oct 2025408 AMAQI
14th Oct 2025319 AMAQI
14th Oct 20252910 AMAQI
14th Oct 20253211 AMAQI
14th Oct 20254012 PMAQI
14th Oct 2025471 PMAQI
14th Oct 2025502 PMAQI
14th Oct 2025533 PMAQI
14th Oct 2025574 PMAQI
14th Oct 2025525 PMAQI
14th Oct 2025516 PMAQI
14th Oct 2025537 PMAQI
14th Oct 2025518 PMAQI
14th Oct 2025529 PMAQI
14th Oct 20255110 PMAQI
14th Oct 20254911 PMAQI
15th Oct 20255212 AMAQI
15th Oct 2025421 AMAQI
15th Oct 2025432 AMAQI
15th Oct 2025413 AMAQI
15th Oct 2025424 AMAQI
15th Oct 2025405 AMAQI
15°C13/16°C
15th Oct 2025406 AMAQI
15th Oct 2025397 AMAQI
15th Oct 2025438 AMAQI
15th Oct 2025409 AMAQI
15th Oct 20253710 AMAQI
15th Oct 20254011 AMAQI
15th Oct 20253912 PMAQI
15th Oct 2025331 PMAQI
15th Oct 2025352 PMAQI
15th Oct 2025363 PMAQI
15th Oct 2025374 PMAQI
15th Oct 2025425 PMAQI
15th Oct 2025406 PMAQI
15th Oct 2025417 PMAQI
15th Oct 2025398 PMAQI
15th Oct 2025389 PMAQI
15th Oct 20253910 PMAQI
15th Oct 20253711 PMAQI
16th Oct 20253412 AMAQI
16th Oct 2025321 AMAQI
16th Oct 2025352 AMAQI
16th Oct 2025353 AMAQI
16th Oct 2025354 AMAQI
16th Oct 2025465 AMAQI
19°C15/24°C
16th Oct 2025446 AMAQI
16th Oct 2025457 AMAQI
16th Oct 2025458 AMAQI
16th Oct 2025469 AMAQI
16th Oct 20254110 AMAQI
16th Oct 20254711 AMAQI
16th Oct 20251812 PMAQI
16th Oct 2025451 PMAQI
16th Oct 2025352 PMAQI
16th Oct 2025333 PMAQI
16th Oct 2025364 PMAQI
16th Oct 2025355 PMAQI
16th Oct 2025386 PMAQI
16th Oct 2025377 PMAQI
16th Oct 2025378 PMAQI
16th Oct 2025419 PMAQI
16th Oct 20253410 PMAQI
16th Oct 20253311 PMAQI
17th Oct 20253512 AMAQI
17th Oct 2025321 AMAQI
17th Oct 2025322 AMAQI
17th Oct 2025353 AMAQI
17th Oct 2025324 AMAQI
17th Oct 2025335 AMAQI
18°C16/22°C
17th Oct 2025376 AMAQI
17th Oct 2025367 AMAQI
17th Oct 2025368 AMAQI
17th Oct 2025359 AMAQI
17th Oct 20254410 AMAQI
17th Oct 20254211 AMAQI
17th Oct 20253412 PMAQI
17th Oct 2025361 PMAQI
17th Oct 2025472 PMAQI
17th Oct 2025483 PMAQI
17th Oct 2025534 PMAQI
17th Oct 2025505 PMAQI
17th Oct 2025476 PMAQI
17th Oct 2025457 PMAQI
17th Oct 2025428 PMAQI
17th Oct 2025409 PMAQI
17th Oct 20253910 PMAQI
17th Oct 20255811 PMAQI
18th Oct 20255912 AMAQI
18th Oct 2025551 AMAQI
18th Oct 2025562 AMAQI
18th Oct 2025403 AMAQI
18th Oct 2025304 AMAQI
18th Oct 2025305 AMAQI
18°C15/23°C
18th Oct 2025406 AMAQI
18th Oct 2025457 AMAQI
18th Oct 2025458 AMAQI
18th Oct 2025379 AMAQI
18th Oct 20253810 AMAQI
18th Oct 20253211 AMAQI
18th Oct 20254612 PMAQI
18th Oct 2025471 PMAQI
18th Oct 2025462 PMAQI
18th Oct 2025373 PMAQI
18th Oct 2025334 PMAQI
18th Oct 2025225 PMAQI
18th Oct 2025216 PMAQI
18th Oct 2025217 PMAQI
18th Oct 2025238 PMAQI
18th Oct 2025249 PMAQI
18th Oct 20252710 PMAQI
18th Oct 20252911 PMAQI
19th Oct 20252712 AMAQI
19th Oct 2025521 AMAQI
19th Oct 2025582 AMAQI
19th Oct 2025573 AMAQI
19th Oct 2025404 AMAQI
19th Oct 2025495 AMAQI
17°C15/19°C
19th Oct 2025546 AMAQI
19th Oct 2025527 AMAQI
19th Oct 2025528 AMAQI
19th Oct 2025489 AMAQI
19th Oct 20253610 AMAQI
19th Oct 20252711 AMAQI
19th Oct 20252912 PMAQI
19th Oct 2025251 PMAQI
19th Oct 2025252 PMAQI
19th Oct 2025223 PMAQI
19th Oct 2025244 PMAQI
19th Oct 2025495 PMAQI
19th Oct 2025566 PMAQI
19th Oct 2025557 PMAQI
19th Oct 2025548 PMAQI
19th Oct 2025229 PMAQI
19th Oct 20251510 PMAQI
19th Oct 20251511 PMAQI
20th Oct 20253412 AMAQI
20th Oct 2025511 AMAQI
20th Oct 2025572 AMAQI
20th Oct 2025533 AMAQI
20th Oct 2025524 AMAQI
20th Oct 2025535 AMAQI
15°C10/19°C
20th Oct 2025526 AMAQI
20th Oct 2025537 AMAQI
20th Oct 2025528 AMAQI
20th Oct 2025509 AMAQI
20th Oct 20255410 AMAQI
20th Oct 20255711 AMAQI
20th Oct 20255612 PMAQI
20th Oct 2025541 PMAQI
20th Oct 2025572 PMAQI
20th Oct 2025583 PMAQI
20th Oct 2025594 PMAQI
20th Oct 2025575 PMAQI
20th Oct 2025566 PMAQI
20th Oct 2025567 PMAQI
20th Oct 2025568 PMAQI
20th Oct 2025569 PMAQI
20th Oct 20255610 PMAQI
20th Oct 20255611 PMAQI
21st Oct 20255612 AMAQI
21st Oct 2025541 AMAQI
21st Oct 2025552 AMAQI
21st Oct 2025563 AMAQI
21st Oct 2025554 AMAQI
21st Oct 2025555 AMAQI
11°C7/15°C
21st Oct 2025546 AMAQI
21st Oct 2025557 AMAQI
21st Oct 2025558 AMAQI
21st Oct 2025559 AMAQI
21st Oct 20255410 AMAQI
21st Oct 20255511 AMAQI
21st Oct 20255412 PMAQI
21st Oct 2025601 PMAQI
21st Oct 2025622 PMAQI
21st Oct 2025613 PMAQI
21st Oct 2025564 PMAQI
21st Oct 2025565 PMAQI
21st Oct 2025566 PMAQI
21st Oct 2025567 PMAQI
21st Oct 2025558 PMAQI
21st Oct 2025549 PMAQI
21st Oct 20255610 PMAQI
21st Oct 20255711 PMAQI
22nd Oct 20255612 AMAQI
22nd Oct 2025571 AMAQI
22nd Oct 2025572 AMAQI
22nd Oct 2025603 AMAQI
22nd Oct 2025554 AMAQI
22nd Oct 2025525 AMAQI
11°C8/15°C
22nd Oct 2025526 AMAQI
22nd Oct 2025507 AMAQI
22nd Oct 2025488 AMAQI
22nd Oct 2025459 AMAQI
22nd Oct 20254410 AMAQI
22nd Oct 20254411 AMAQI
22nd Oct 20255312 PMAQI
22nd Oct 2025431 PMAQI
22nd Oct 2025402 PMAQI
22nd Oct 2025373 PMAQI
22nd Oct 2025334 PMAQI
22nd Oct 2025365 PMAQI
22nd Oct 2025176 PMAQI
22nd Oct 2025207 PMAQI
22nd Oct 2025228 PMAQI
22nd Oct 2025229 PMAQI
22nd Oct 20254210 PMAQI
22nd Oct 20252411 PMAQI
23rd Oct 20253212 AMAQI
23rd Oct 2025321 AMAQI
23rd Oct 2025322 AMAQI
23rd Oct 2025263 AMAQI
23rd Oct 2025244 AMAQI
23rd Oct 2025285 AMAQI
13°C8/17°C
23rd Oct 2025186 AMAQI
23rd Oct 2025187 AMAQI
23rd Oct 2025228 AMAQI
23rd Oct 2025259 AMAQI
23rd Oct 20251810 AMAQI
23rd Oct 20251711 AMAQI
23rd Oct 20251812 PMAQI
23rd Oct 2025231 PMAQI
23rd Oct 2025282 PMAQI
23rd Oct 2025373 PMAQI
23rd Oct 2025384 PMAQI
23rd Oct 2025375 PMAQI
23rd Oct 2025306 PMAQI
23rd Oct 2025327 PMAQI
23rd Oct 2025308 PMAQI
23rd Oct 2025229 PMAQI
23rd Oct 20252810 PMAQI
23rd Oct 20253111 PMAQI
24th Oct 20253212 AMAQI
24th Oct 2025281 AMAQI
24th Oct 2025232 AMAQI
24th Oct 2025223 AMAQI
24th Oct 2025204 AMAQI
24th Oct 2025175 AMAQI
15°C13/18°C
24th Oct 2025176 AMAQI
24th Oct 2025177 AMAQI
24th Oct 2025138 AMAQI
24th Oct 2025119 AMAQI
24th Oct 20251310 AMAQI
24th Oct 20252011 AMAQI
24th Oct 20253312 PMAQI
24th Oct 2025331 PMAQI
24th Oct 2025252 PMAQI
24th Oct 2025153 PMAQI
24th Oct 2025174 PMAQI
24th Oct 202595 PMAQI
24th Oct 2025216 PMAQI
24th Oct 2025317 PMAQI
24th Oct 2025358 PMAQI
24th Oct 2025349 PMAQI
24th Oct 20252010 PMAQI
24th Oct 20252211 PMAQI
25th Oct 20252212 AMAQI
25th Oct 2025321 AMAQI
25th Oct 2025522 AMAQI
25th Oct 2025533 AMAQI
25th Oct 2025534 AMAQI
25th Oct 2025525 AMAQI
14°C11/19°C
25th Oct 2025546 AMAQI
25th Oct 2025467 AMAQI
25th Oct 2025408 AMAQI
25th Oct 2025359 AMAQI
25th Oct 20253010 AMAQI
25th Oct 20252811 AMAQI
25th Oct 20254812 PMAQI
25th Oct 2025521 PMAQI
25th Oct 2025532 PMAQI
25th Oct 2025543 PMAQI
25th Oct 2025564 PMAQI
25th Oct 2025575 PMAQI
25th Oct 2025576 PMAQI
25th Oct 2025587 PMAQI
25th Oct 2025568 PMAQI
25th Oct 2025589 PMAQI
25th Oct 20255810 PMAQI
25th Oct 20255611 PMAQI
26th Oct 20256112 AMAQI
26th Oct 2025731 AMAQI
26th Oct 2025702 AMAQI
26th Oct 2025713 AMAQI
26th Oct 2025664 AMAQI
26th Oct 2025605 AMAQI
15°C13/18°C
26th Oct 2025606 AMAQI
26th Oct 2025627 AMAQI
26th Oct 2025658 AMAQI
26th Oct 2025659 AMAQI
26th Oct 20256610 AMAQI
26th Oct 20256411 AMAQI
26th Oct 20256612 PMAQI
26th Oct 2025711 PMAQI
26th Oct 2025732 PMAQI
26th Oct 2025723 PMAQI
26th Oct 2025654 PMAQI
26th Oct 2025645 PMAQI
26th Oct 2025666 PMAQI
26th Oct 2025667 PMAQI
26th Oct 2025698 PMAQI
26th Oct 2025699 PMAQI
26th Oct 20256910 PMAQI
26th Oct 20257611 PMAQI
27th Oct 20256912 AMAQI
27th Oct 2025711 AMAQI
27th Oct 2025732 AMAQI
27th Oct 2025673 AMAQI
27th Oct 2025614 AMAQI
27th Oct 2025525 AMAQI
13°C11/16°C
27th Oct 2025506 AMAQI
27th Oct 2025467 AMAQI
27th Oct 2025508 AMAQI
27th Oct 2025619 AMAQI
27th Oct 20255710 AMAQI
27th Oct 20255911 AMAQI
27th Oct 20255912 PMAQI
27th Oct 2025581 PMAQI
27th Oct 2025552 PMAQI
27th Oct 2025533 PMAQI
27th Oct 2025514 PMAQI
27th Oct 2025525 PMAQI
27th Oct 2025256 PMAQI
27th Oct 2025247 PMAQI
27th Oct 2025288 PMAQI
27th Oct 2025289 PMAQI
27th Oct 20251910 PMAQI
27th Oct 20252411 PMAQI
28th Oct 20252812 AMAQI
28th Oct 2025281 AMAQI
28th Oct 2025392 AMAQI
28th Oct 2025393 AMAQI
28th Oct 2025354 AMAQI
28th Oct 2025325 AMAQI
8°C5/11°C
28th Oct 2025306 AMAQI
28th Oct 2025307 AMAQI
28th Oct 2025298 AMAQI
28th Oct 2025349 AMAQI
28th Oct 20253910 AMAQI
28th Oct 20253911 AMAQI
28th Oct 20255212 PMAQI
28th Oct 2025541 PMAQI
28th Oct 2025502 PMAQI
28th Oct 2025453 PMAQI
28th Oct 2025354 PMAQI
28th Oct 2025395 PMAQI
28th Oct 2025526 PMAQI
28th Oct 2025397 PMAQI
28th Oct 2025358 PMAQI
28th Oct 2025339 PMAQI
28th Oct 20253910 PMAQI
28th Oct 20254611 PMAQI
29th Oct 20254012 AMAQI
29th Oct 2025421 AMAQI
29th Oct 2025442 AMAQI
29th Oct 2025443 AMAQI
29th Oct 2025444 AMAQI
29th Oct 2025535 AMAQI
8°C4/12°C
29th Oct 2025556 AMAQI
29th Oct 2025567 AMAQI
29th Oct 2025558 AMAQI
29th Oct 2025569 AMAQI
29th Oct 20255510 AMAQI
29th Oct 20255811 AMAQI
29th Oct 20256512 PMAQI
29th Oct 2025631 PMAQI
29th Oct 2025632 PMAQI
29th Oct 2025613 PMAQI
29th Oct 2025584 PMAQI
29th Oct 2025575 PMAQI
29th Oct 2025596 PMAQI
29th Oct 2025597 PMAQI
29th Oct 2025578 PMAQI
29th Oct 2025589 PMAQI
29th Oct 20255810 PMAQI
29th Oct 20256011 PMAQI
30th Oct 20256112 AMAQI
30th Oct 2025611 AMAQI
30th Oct 2025672 AMAQI
30th Oct 2025673 AMAQI
30th Oct 2025684 AMAQI
30th Oct 2025635 AMAQI
11°C6/16°C
30th Oct 2025636 AMAQI
30th Oct 2025647 AMAQI
30th Oct 2025658 AMAQI
30th Oct 2025659 AMAQI
30th Oct 20256110 AMAQI
30th Oct 20255811 AMAQI
30th Oct 20255712 PMAQI
30th Oct 2025601 PMAQI
30th Oct 2025692 PMAQI
30th Oct 2025693 PMAQI
30th Oct 2025664 PMAQI
30th Oct 2025675 PMAQI
30th Oct 2025616 PMAQI
30th Oct 2025687 PMAQI
30th Oct 2025688 PMAQI
30th Oct 2025679 PMAQI
30th Oct 20256410 PMAQI
30th Oct 20256811 PMAQI
31st Oct 20256912 AMAQI
31st Oct 2025751 AMAQI
31st Oct 2025742 AMAQI
31st Oct 2025803 AMAQI
31st Oct 2025874 AMAQI
31st Oct 2025855 AMAQI
12°C8/17°C
31st Oct 2025846 AMAQI
31st Oct 2025857 AMAQI
31st Oct 2025878 AMAQI
31st Oct 2025839 AMAQI
31st Oct 20257210 AMAQI
31st Oct 20257111 AMAQI
31st Oct 20257112 PMAQI
31st Oct 2025751 PMAQI
31st Oct 2025782 PMAQI
31st Oct 2025723 PMAQI
31st Oct 2025624 PMAQI
31st Oct 2025565 PMAQI
31st Oct 2025596 PMAQI
31st Oct 2025597 PMAQI
31st Oct 2025608 PMAQI
31st Oct 2025649 PMAQI
31st Oct 20255910 PMAQI
31st Oct 20256111 PMAQI
1st Nov 20256412 AMAQI
1st Nov 2025631 AMAQI
1st Nov 2025592 AMAQI
1st Nov 2025593 AMAQI
1st Nov 2025584 AMAQI
1st Nov 2025575 AMAQI
14°C10/19°C
1st Nov 2025566 AMAQI
1st Nov 2025587 AMAQI
1st Nov 2025588 AMAQI
1st Nov 2025559 AMAQI
1st Nov 20254810 AMAQI
1st Nov 20254811 AMAQI
1st Nov 20255012 PMAQI
1st Nov 2025571 PMAQI
1st Nov 2025552 PMAQI
1st Nov 2025523 PMAQI
1st Nov 2025444 PMAQI
1st Nov 2025445 PMAQI
1st Nov 2025456 PMAQI
1st Nov 2025477 PMAQI
1st Nov 2025408 PMAQI
1st Nov 2025409 PMAQI
1st Nov 20254810 PMAQI
1st Nov 20255111 PMAQI
2nd Nov 20254912 AMAQI
2nd Nov 2025441 AMAQI
2nd Nov 2025442 AMAQI
2nd Nov 2025283 AMAQI
2nd Nov 2025364 AMAQI
2nd Nov 2025345 AMAQI
13°C11/16°C
2nd Nov 2025356 AMAQI
2nd Nov 2025467 AMAQI
2nd Nov 2025348 AMAQI
2nd Nov 2025309 AMAQI
2nd Nov 20252010 AMAQI
2nd Nov 20252911 AMAQI
2nd Nov 20253512 PMAQI
2nd Nov 2025241 PMAQI
2nd Nov 2025382 PMAQI
2nd Nov 2025443 PMAQI
2nd Nov 2025414 PMAQI
2nd Nov 2025335 PMAQI
2nd Nov 2025376 PMAQI
2nd Nov 2025367 PMAQI
2nd Nov 2025298 PMAQI
2nd Nov 2025289 PMAQI
2nd Nov 20252810 PMAQI
2nd Nov 20253611 PMAQI
3rd Nov 20254212 AMAQI
3rd Nov 2025431 AMAQI
3rd Nov 2025422 AMAQI
3rd Nov 2025423 AMAQI
3rd Nov 2025404 AMAQI
3rd Nov 2025395 AMAQI
9°C4/11°C
3rd Nov 2025406 AMAQI
3rd Nov 2025507 AMAQI
3rd Nov 2025528 AMAQI
3rd Nov 2025519 AMAQI
3rd Nov 20255510 AMAQI
3rd Nov 20255411 AMAQI
3rd Nov 20255412 PMAQI
3rd Nov 2025571 PMAQI
3rd Nov 2025572 PMAQI
3rd Nov 2025573 PMAQI
3rd Nov 2025584 PMAQI
3rd Nov 2025575 PMAQI
3rd Nov 2025566 PMAQI
3rd Nov 2025557 PMAQI
3rd Nov 2025558 PMAQI
3rd Nov 2025559 PMAQI
3rd Nov 20255210 PMAQI
3rd Nov 20256111 PMAQI
4th Nov 20256112 AMAQI
4th Nov 2025611 AMAQI
4th Nov 2025622 AMAQI
4th Nov 2025733 AMAQI
4th Nov 2025764 AMAQI
4th Nov 2025685 AMAQI
7°C3/12°C
4th Nov 2025676 AMAQI
4th Nov 2025637 AMAQI
4th Nov 2025638 AMAQI
4th Nov 2025629 AMAQI
4th Nov 20256210 AMAQI
4th Nov 20256511 AMAQI
4th Nov 20256712 PMAQI
4th Nov 2025671 PMAQI
4th Nov 2025612 PMAQI
4th Nov 2025653 PMAQI
4th Nov 2025644 PMAQI
4th Nov 2025655 PMAQI
4th Nov 2025636 PMAQI
4th Nov 2025657 PMAQI
4th Nov 2025748 PMAQI
4th Nov 2025799 PMAQI
4th Nov 20258010 PMAQI
4th Nov 20258711 PMAQI
5th Nov 20259112 AMAQI
5th Nov 2025911 AMAQI
5th Nov 2025872 AMAQI
5th Nov 2025793 AMAQI
5th Nov 2025744 AMAQI
5th Nov 2025705 AMAQI
10°C6/14°C
5th Nov 2025736 AMAQI
6 AM5th Nov 2025717 AMAQI
5th Nov 2025728 AMAQI
5th Nov 2025739 AMAQI
5th Nov 20257310 AMAQI
5th Nov 20257111 AMAQI
11 AM5th Nov 20256912 PMAQI
5 PM
11 PM
5 AM
--°C/°C
Day time
Avg. Highest Time
1 PM - 2 PM
48AQI
2 hours / Day
60 hours / Month
Avg. Lowest Time
9 AM - 11 AM
42AQI
3 hours / Day
90 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 1 PM to 2 PM (Avg. 48), while the lowest AQI was between 9 AM to 11 AM (Avg. 42).
Night time
Avg. Highest Time
3 AM
47AQI
1 hours / Day
30 hours / Month
Avg. Lowest Time
9 PM - 11 PM
40AQI
3 hours / Day
90 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 3 AM to 3 AM (Avg. 47), while the lowest AQI was between 9 PM to 11 PM (Avg. 40).
2025 Days Vs Air Quality
Opo Eup, Songnam, Gyeonggi, South Korea
2025
36%
112
58%
179
5%
16
0.3%
1
Total number of days with different AQI categories in last 309 days in 2025 (56 days remaining)
Good
112 DaysModerate
179 DaysPoor
16 DaysUnhealthy
1 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 36%
Health Risk Level:
High
In 2025, 36% of 309 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
Opo Eup, Songnam, 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
78AQI
78AQI
2nd January 2025
64AQI
64AQI
3rd January 2025
64AQI
64AQI
4th January 2025
64AQI
64AQI
5th January 2025
79AQI
79AQI
6th January 2025
105AQI
105AQI
7th January 2025
60AQI
60AQI
8th January 2025
78AQI
78AQI
9th January 2025
47AQI
47AQI
10th January 2025
64AQI
64AQI
11th January 2025
62AQI
62AQI
12th January 2025
82AQI
82AQI
13th January 2025
97AQI
97AQI
14th January 2025
98AQI
98AQI
15th January 2025
58AQI
58AQI
16th January 2025
77AQI
77AQI
17th January 2025
90AQI
90AQI
18th January 2025
84AQI
84AQI
19th January 2025
100AQI
100AQI
20th January 2025
132AQI
132AQI
21st January 2025
144AQI
144AQI
22nd January 2025
154AQI
154AQI
23rd January 2025
126AQI
126AQI
24th January 2025
104AQI
104AQI
25th January 2025
71AQI
71AQI
26th January 2025
52AQI
52AQI
27th January 2025
63AQI
63AQI
28th January 2025
58AQI
58AQI
29th January 2025
61AQI
61AQI
30th January 2025
55AQI
55AQI
31st January 2025
72AQI
72AQI
1st February 2025
75AQI
75AQI
2nd February 2025
77AQI
77AQI
3rd February 2025
54AQI
54AQI
4th February 2025
53AQI
53AQI
5th February 2025
44AQI
44AQI
6th February 2025
58AQI
58AQI
7th February 2025
52AQI
52AQI
8th February 2025
50AQI
50AQI
9th February 2025
54AQI
54AQI
10th February 2025
59AQI
59AQI
11th February 2025
77AQI
77AQI
12th February 2025
82AQI
82AQI
13th February 2025
54AQI
54AQI
14th February 2025
93AQI
93AQI
15th February 2025
59AQI
59AQI
16th February 2025
120AQI
120AQI
17th February 2025
53AQI
53AQI
18th February 2025
63AQI
63AQI
19th February 2025
52AQI
52AQI
20th February 2025
59AQI
59AQI
21st February 2025
58AQI
58AQI
22nd February 2025
60AQI
60AQI
23rd February 2025
56AQI
56AQI
24th February 2025
63AQI
63AQI
25th February 2025
59AQI
59AQI
26th February 2025
76AQI
76AQI
27th February 2025
60AQI
60AQI
28th February 2025
87AQI
87AQI
1st March 2025
110AQI
110AQI
2nd March 2025
82AQI
82AQI
3rd March 2025
60AQI
60AQI
4th March 2025
49AQI
49AQI
5th March 2025
40AQI
40AQI
6th March 2025
68AQI
68AQI
7th March 2025
90AQI
90AQI
8th March 2025
86AQI
86AQI
9th March 2025
106AQI
106AQI
10th March 2025
116AQI
116AQI
11th March 2025
115AQI
115AQI
12th March 2025
109AQI
109AQI
13th March 2025
91AQI
91AQI
14th March 2025
79AQI
79AQI
15th March 2025
54AQI
54AQI
16th March 2025
71AQI
71AQI
17th March 2025
63AQI
63AQI
18th March 2025
64AQI
64AQI
19th March 2025
80AQI
80AQI
20th March 2025
93AQI
93AQI
21st March 2025
104AQI
104AQI
22nd March 2025
110AQI
110AQI
23rd March 2025
118AQI
118AQI
24th March 2025
122AQI
122AQI
25th March 2025
128AQI
128AQI
26th March 2025
90AQI
90AQI
27th March 2025
90AQI
90AQI
28th March 2025
64AQI
64AQI
29th March 2025
49AQI
49AQI
30th March 2025
47AQI
47AQI
31st March 2025
56AQI
56AQI
1st April 2025
79AQI
79AQI
2nd April 2025
81AQI
81AQI
3rd April 2025
76AQI
76AQI
4th April 2025
84AQI
84AQI
5th April 2025
70AQI
70AQI
6th April 2025
66AQI
66AQI
7th April 2025
68AQI
68AQI
8th April 2025
76AQI
76AQI
9th April 2025
67AQI
67AQI
10th April 2025
74AQI
74AQI
11th April 2025
81AQI
81AQI
12th April 2025
61AQI
61AQI
13th April 2025
60AQI
60AQI
14th April 2025
47AQI
47AQI
15th April 2025
53AQI
53AQI
16th April 2025
60AQI
60AQI
17th April 2025
64AQI
64AQI
18th April 2025
77AQI
77AQI
19th April 2025
49AQI
49AQI
20th April 2025
53AQI
53AQI
21st April 2025
50AQI
50AQI
22nd April 2025
43AQI
43AQI
23rd April 2025
37AQI
37AQI
24th April 2025
57AQI
57AQI
25th April 2025
66AQI
66AQI
26th April 2025
54AQI
54AQI
27th April 2025
42AQI
42AQI
28th April 2025
57AQI
57AQI
29th April 2025
65AQI
65AQI
30th April 2025
57AQI
57AQI
1st May 2025
57AQI
57AQI
2nd May 2025
46AQI
46AQI
3rd May 2025
49AQI
49AQI
4th May 2025
46AQI
46AQI
5th May 2025
51AQI
51AQI
6th May 2025
40AQI
40AQI
7th May 2025
55AQI
55AQI
8th May 2025
60AQI
60AQI
9th May 2025
48AQI
48AQI
10th May 2025
51AQI
51AQI
11th May 2025
65AQI
65AQI
12th May 2025
66AQI
66AQI
13th May 2025
72AQI
72AQI
14th May 2025
71AQI
71AQI
15th May 2025
64AQI
64AQI
16th May 2025
54AQI
54AQI
17th May 2025
41AQI
41AQI
18th May 2025
57AQI
57AQI
19th May 2025
59AQI
59AQI
20th May 2025
44AQI
44AQI
21st May 2025
50AQI
50AQI
22nd May 2025
44AQI
44AQI
23rd May 2025
61AQI
61AQI
24th May 2025
44AQI
44AQI
25th May 2025
48AQI
48AQI
26th May 2025
60AQI
60AQI
27th May 2025
73AQI
73AQI
28th May 2025
78AQI
78AQI
29th May 2025
74AQI
74AQI
30th May 2025
64AQI
64AQI
31st May 2025
69AQI
69AQI
1st June 2025
81AQI
81AQI
2nd June 2025
89AQI
89AQI
3rd June 2025
73AQI
73AQI
4th June 2025
54AQI
54AQI
5th June 2025
58AQI
58AQI
6th June 2025
59AQI
59AQI
7th June 2025
69AQI
69AQI
8th June 2025
60AQI
60AQI
9th June 2025
65AQI
65AQI
10th June 2025
55AQI
55AQI
11th June 2025
53AQI
53AQI
12th June 2025
55AQI
55AQI
13th June 2025
69AQI
69AQI
14th June 2025
53AQI
53AQI
15th June 2025
60AQI
60AQI
16th June 2025
61AQI
61AQI
17th June 2025
63AQI
63AQI
18th June 2025
68AQI
68AQI
19th June 2025
65AQI
65AQI
20th June 2025
51AQI
51AQI
21st June 2025
56AQI
56AQI
22nd June 2025
61AQI
61AQI
23rd June 2025
61AQI
61AQI
24th June 2025
57AQI
57AQI
25th June 2025
50AQI
50AQI
26th June 2025
53AQI
53AQI
27th June 2025
59AQI
59AQI
28th June 2025
59AQI
59AQI
29th June 2025
52AQI
52AQI
30th June 2025
50AQI
50AQI
1st July 2025
48AQI
48AQI
2nd July 2025
43AQI
43AQI
3rd July 2025
49AQI
49AQI
4th July 2025
47AQI
47AQI
5th July 2025
48AQI
48AQI
6th July 2025
51AQI
51AQI
7th July 2025
60AQI
60AQI
8th July 2025
64AQI
64AQI
9th July 2025
57AQI
57AQI
10th July 2025
53AQI
53AQI
11th July 2025
51AQI
51AQI
12th July 2025
48AQI
48AQI
13th July 2025
57AQI
57AQI
14th July 2025
51AQI
51AQI
15th July 2025
44AQI
44AQI
16th July 2025
50AQI
50AQI
17th July 2025
39AQI
39AQI
18th July 2025
42AQI
42AQI
19th July 2025
35AQI
35AQI
20th July 2025
39AQI
39AQI
21st July 2025
40AQI
40AQI
22nd July 2025
38AQI
38AQI
23rd July 2025
41AQI
41AQI
24th July 2025
44AQI
44AQI
25th July 2025
53AQI
53AQI
26th July 2025
49AQI
49AQI
27th July 2025
45AQI
45AQI
28th July 2025
56AQI
56AQI
29th July 2025
61AQI
61AQI
30th July 2025
58AQI
58AQI
31st July 2025
56AQI
56AQI
1st August 2025
59AQI
59AQI
2nd August 2025
62AQI
62AQI
3rd August 2025
61AQI
61AQI
4th August 2025
50AQI
50AQI
5th August 2025
52AQI
52AQI
6th August 2025
45AQI
45AQI
7th August 2025
51AQI
51AQI
8th August 2025
54AQI
54AQI
9th August 2025
55AQI
55AQI
10th August 2025
51AQI
51AQI
11th August 2025
56AQI
56AQI
12th August 2025
51AQI
51AQI
13th August 2025
39AQI
39AQI
14th August 2025
43AQI
43AQI
15th August 2025
42AQI
42AQI
16th August 2025
40AQI
40AQI
17th August 2025
40AQI
40AQI
18th August 2025
50AQI
50AQI
19th August 2025
44AQI
44AQI
20th August 2025
45AQI
45AQI
21st August 2025
47AQI
47AQI
22nd August 2025
46AQI
46AQI
23rd August 2025
48AQI
48AQI
24th August 2025
52AQI
52AQI
25th August 2025
50AQI
50AQI
26th August 2025
44AQI
44AQI
27th August 2025
50AQI
50AQI
28th August 2025
53AQI
53AQI
29th August 2025
47AQI
47AQI
30th August 2025
47AQI
47AQI
31st August 2025
50AQI
50AQI
1st September 2025
43AQI
43AQI
2nd September 2025
49AQI
49AQI
3rd September 2025
51AQI
51AQI
4th September 2025
37AQI
37AQI
5th September 2025
32AQI
32AQI
6th September 2025
38AQI
38AQI
7th September 2025
39AQI
39AQI
8th September 2025
46AQI
46AQI
9th September 2025
53AQI
53AQI
10th September 2025
49AQI
49AQI
11th September 2025
48AQI
48AQI
12th September 2025
48AQI
48AQI
13th September 2025
39AQI
39AQI
14th September 2025
42AQI
42AQI
15th September 2025
45AQI
45AQI
16th September 2025
42AQI
42AQI
17th September 2025
35AQI
35AQI
18th September 2025
29AQI
29AQI
19th September 2025
32AQI
32AQI
20th September 2025
28AQI
28AQI
21st September 2025
25AQI
25AQI
22nd September 2025
27AQI
27AQI
23rd September 2025
28AQI
28AQI
24th September 2025
30AQI
30AQI
25th September 2025
38AQI
38AQI
26th September 2025
52AQI
52AQI
27th September 2025
45AQI
45AQI
28th September 2025
31AQI
31AQI
29th September 2025
51AQI
51AQI
30th September 2025
53AQI
53AQI
1st October 2025
53AQI
53AQI
2nd October 2025
61AQI
61AQI
3rd October 2025
57AQI
57AQI
4th October 2025
40AQI
40AQI
5th October 2025
37AQI
37AQI
6th October 2025
17AQI
17AQI
7th October 2025
25AQI
25AQI
8th October 2025
34AQI
34AQI
9th October 2025
30AQI
30AQI
10th October 2025
25AQI
25AQI
11th October 2025
32AQI
32AQI
12th October 2025
37AQI
37AQI
13th October 2025
32AQI
32AQI
14th October 2025
40AQI
40AQI
15th October 2025
42AQI
42AQI
16th October 2025
37AQI
37AQI
17th October 2025
40AQI
40AQI
18th October 2025
41AQI
41AQI
19th October 2025
37AQI
37AQI
20th October 2025
48AQI
48AQI
21st October 2025
56AQI
56AQI
22nd October 2025
44AQI
44AQI
23rd October 2025
28AQI
28AQI
24th October 2025
24AQI
24AQI
25th October 2025
45AQI
45AQI
26th October 2025
66AQI
66AQI
27th October 2025
51AQI
51AQI
28th October 2025
37AQI
37AQI
29th October 2025
52AQI
52AQI
30th October 2025
64AQI
64AQI
31st October 2025
71AQI
71AQI
1st November 2025
53AQI
53AQI
2nd November 2025
38AQI
38AQI
3rd November 2025
49AQI
49AQI
4th November 2025
64AQI
64AQI
5th November 2025
6th November 2025
7th November 2025
8th November 2025
9th November 2025
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
82AQI
65AQI
84AQI
62AQI
57AQI
61AQI
49AQI
49AQI
40AQI
42AQI
51AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202559AQI
1
24
5
1
2
25
1
4
17
10
6
24
11
20
2
28
18
13
19
12
25
5
22
9
2
2
112
179
16
1
Highest AQI recorded in
March84AQI
Lowest AQI recorded in
September40AQI
202460AQI
6
17
8
11
13
5
5
21
4
1
4
25
1
10
21
6
24
22
9
15
16
23
7
21
10
10
20
6
24
1
139
207
19
1
Highest AQI recorded in
January80AQI
Lowest AQI recorded in
September39AQI
202367AQI
5
17
6
3
2
17
7
2
1
16
13
1
3
22
5
6
25
6
24
18
11
2
14
17
19
11
15
16
12
15
2
10
14
7
111
205
42
6
Highest AQI recorded in
February95AQI
Lowest AQI recorded in
September44AQI
202268AQI
2
19
5
3
12
6
3
6
16
9
3
13
1
7
22
2
16
14
7
14
1
21
7
16
14
1
5
21
4
6
20
5
90
172
33
6
Highest AQI recorded in
February95AQI
Lowest AQI recorded in
August19AQI
202167AQI
5
19
6
3
15
7
3
3
15
11
1
1
8
20
2
11
18
1
1
6
24
14
17
13
15
26
4
14
17
6
19
4
1
6
18
7
115
201
37
5
2
1
Highest AQI recorded in
March96AQI
Lowest AQI recorded in
September35AQI
202062AQI
1
2
19
12
17
14
20
10
9
21
1
4
18
8
2
17
11
1
72
94
20
1
Highest AQI recorded in
December91AQI
Lowest AQI recorded in
September44AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2022(Avg.)
68AQILeast Polluted Year Recorded
2025(Avg.)
59AQIOpo Eup's annual 2025 AQI (59) shows an average percentage change of -8.6% (improved AQI) compared to previous years: 2020 (62), 2021 (67), 2022 (68), 2023 (67), 2024 (60).
