Tainan, Tainan, Taiwan 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
Tainan, Tainan, Taiwan
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
28th Aug 2021
61AQILowest AQI recorded on
15th Aug 2021
23AQISame Day Analysis (7th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 50 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 7th Aug - 8th Aug 2025
Tainan, Tainan, Taiwan
AQI
Day
Night
.
5 AM7th Aug 2025
6 PM
4 AM8th Aug 2025
Day time
Avg. Highest Time
9AM7th Aug
57AQI
Avg. Lowest Time
6PM7th Aug
38AQI
Night time
Avg. Highest Time
4AM8th Aug
51AQI
Avg. Lowest Time
7PM7th Aug
41AQI
In the last 24 hours,
Tainan's AQI reached its highest point of 57 at 9 AM during the Day, while the lowest point, 38, was recorded at 6 PM during the Day between 7th Aug and 8th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Tainan, Tainan, Taiwan
JulAug
09th - 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 - 06th06th - 07th07th - 08th08th
Day
Night
9th Jul 2025345 AMAQI
9th Jul 2025356 AMAQI
9th Jul 2025357 AMAQI
9th Jul 2025358 AMAQI
9th Jul 2025339 AMAQI
9th Jul 20253710 AMAQI
9th Jul 20254311 AMAQI
9th Jul 20254412 PMAQI
9th Jul 2025491 PMAQI
9th Jul 2025472 PMAQI
9th Jul 2025533 PMAQI
9th Jul 2025504 PMAQI
9th Jul 2025515 PMAQI
9th Jul 2025536 PMAQI
9th Jul 2025497 PMAQI
9th Jul 2025428 PMAQI
9th Jul 2025419 PMAQI
9th Jul 20253910 PMAQI
9th Jul 20253711 PMAQI
10th Jul 20253812 AMAQI
10th Jul 2025361 AMAQI
10th Jul 2025362 AMAQI
10th Jul 2025363 AMAQI
10th Jul 2025374 AMAQI
28°C27/30°C
10th Jul 2025365 AMAQI
10th Jul 2025376 AMAQI
10th Jul 2025377 AMAQI
10th Jul 2025288 AMAQI
10th Jul 2025289 AMAQI
10th Jul 20253110 AMAQI
10th Jul 20253911 AMAQI
10th Jul 20253612 PMAQI
10th Jul 2025321 PMAQI
10th Jul 2025352 PMAQI
10th Jul 2025343 PMAQI
10th Jul 2025334 PMAQI
10th Jul 2025325 PMAQI
10th Jul 2025346 PMAQI
10th Jul 2025317 PMAQI
10th Jul 2025338 PMAQI
10th Jul 2025339 PMAQI
10th Jul 20253410 PMAQI
10th Jul 20253511 PMAQI
11th Jul 20253412 AMAQI
11th Jul 2025371 AMAQI
11th Jul 2025372 AMAQI
11th Jul 2025393 AMAQI
11th Jul 2025374 AMAQI
25°C25/25°C
11th Jul 2025365 AMAQI
11th Jul 2025376 AMAQI
11th Jul 2025377 AMAQI
11th Jul 2025278 AMAQI
11th Jul 2025249 AMAQI
11th Jul 20252810 AMAQI
11th Jul 20253711 AMAQI
11th Jul 20254812 PMAQI
11th Jul 2025491 PMAQI
11th Jul 2025472 PMAQI
11th Jul 2025463 PMAQI
11th Jul 2025504 PMAQI
11th Jul 2025445 PMAQI
11th Jul 2025456 PMAQI
11th Jul 2025447 PMAQI
11th Jul 2025388 PMAQI
11th Jul 2025389 PMAQI
11th Jul 20253810 PMAQI
11th Jul 20253911 PMAQI
12th Jul 20254112 AMAQI
12th Jul 2025381 AMAQI
12th Jul 2025382 AMAQI
12th Jul 2025373 AMAQI
12th Jul 2025394 AMAQI
27°C25/29°C
12th Jul 2025385 AMAQI
12th Jul 2025386 AMAQI
12th Jul 2025387 AMAQI
12th Jul 2025518 AMAQI
12th Jul 2025559 AMAQI
12th Jul 20255410 AMAQI
12th Jul 20255411 AMAQI
12th Jul 20255112 PMAQI
12th Jul 2025441 PMAQI
12th Jul 2025442 PMAQI
12th Jul 2025453 PMAQI
12th Jul 2025444 PMAQI
12th Jul 2025405 PMAQI
12th Jul 2025426 PMAQI
12th Jul 2025437 PMAQI
12th Jul 2025418 PMAQI
12th Jul 2025409 PMAQI
12th Jul 20254010 PMAQI
12th Jul 20254011 PMAQI
13th Jul 20254012 AMAQI
13th Jul 2025391 AMAQI
13th Jul 2025392 AMAQI
13th Jul 2025423 AMAQI
13th Jul 2025424 AMAQI
29°C27/32°C
13th Jul 2025415 AMAQI
13th Jul 2025426 AMAQI
13th Jul 2025417 AMAQI
13th Jul 2025478 AMAQI
13th Jul 2025539 AMAQI
13th Jul 20255110 AMAQI
13th Jul 20255011 AMAQI
13th Jul 20255112 PMAQI
13th Jul 2025481 PMAQI
13th Jul 2025492 PMAQI
13th Jul 2025483 PMAQI
13th Jul 2025494 PMAQI
13th Jul 2025485 PMAQI
13th Jul 2025506 PMAQI
13th Jul 2025517 PMAQI
13th Jul 2025498 PMAQI
13th Jul 2025469 PMAQI
13th Jul 20254710 PMAQI
13th Jul 20254811 PMAQI
14th Jul 20254612 AMAQI
14th Jul 2025421 AMAQI
14th Jul 2025412 AMAQI
14th Jul 2025413 AMAQI
14th Jul 2025434 AMAQI
30°C28/32°C
14th Jul 2025435 AMAQI
14th Jul 2025436 AMAQI
14th Jul 2025437 AMAQI
14th Jul 2025528 AMAQI
14th Jul 2025569 AMAQI
14th Jul 20255510 AMAQI
14th Jul 20254711 AMAQI
14th Jul 20254712 PMAQI
14th Jul 2025491 PMAQI
14th Jul 2025452 PMAQI
14th Jul 2025473 PMAQI
14th Jul 2025504 PMAQI
14th Jul 2025475 PMAQI
14th Jul 2025446 PMAQI
14th Jul 2025487 PMAQI
14th Jul 2025468 PMAQI
14th Jul 2025459 PMAQI
14th Jul 20254810 PMAQI
14th Jul 20254911 PMAQI
15th Jul 20254612 AMAQI
15th Jul 2025441 AMAQI
15th Jul 2025442 AMAQI
15th Jul 2025453 AMAQI
15th Jul 2025474 AMAQI
30°C28/32°C
15th Jul 2025465 AMAQI
15th Jul 2025476 AMAQI
15th Jul 2025467 AMAQI
15th Jul 2025488 AMAQI
15th Jul 2025509 AMAQI
15th Jul 20254610 AMAQI
15th Jul 20254711 AMAQI
15th Jul 20254812 PMAQI
15th Jul 2025451 PMAQI
15th Jul 2025392 PMAQI
15th Jul 2025413 PMAQI
15th Jul 2025454 PMAQI
15th Jul 2025475 PMAQI
15th Jul 2025456 PMAQI
15th Jul 2025477 PMAQI
15th Jul 2025478 PMAQI
15th Jul 2025459 PMAQI
15th Jul 20254610 PMAQI
15th Jul 20254411 PMAQI
16th Jul 20254712 AMAQI
16th Jul 2025471 AMAQI
16th Jul 2025472 AMAQI
16th Jul 2025463 AMAQI
16th Jul 2025474 AMAQI
29°C28/31°C
16th Jul 2025465 AMAQI
16th Jul 2025466 AMAQI
16th Jul 2025467 AMAQI
16th Jul 2025498 AMAQI
16th Jul 2025489 AMAQI
16th Jul 20253810 AMAQI
16th Jul 20253511 AMAQI
16th Jul 20254012 PMAQI
16th Jul 2025451 PMAQI
16th Jul 2025462 PMAQI
16th Jul 2025463 PMAQI
16th Jul 2025484 PMAQI
16th Jul 2025475 PMAQI
16th Jul 2025496 PMAQI
16th Jul 2025477 PMAQI
16th Jul 2025468 PMAQI
16th Jul 2025469 PMAQI
16th Jul 20254710 PMAQI
16th Jul 20254711 PMAQI
17th Jul 20254512 AMAQI
17th Jul 2025471 AMAQI
17th Jul 2025472 AMAQI
17th Jul 2025473 AMAQI
17th Jul 2025474 AMAQI
30°C28/33°C
17th Jul 2025475 AMAQI
17th Jul 2025466 AMAQI
17th Jul 2025467 AMAQI
17th Jul 2025498 AMAQI
17th Jul 2025549 AMAQI
17th Jul 20255410 AMAQI
17th Jul 20255111 AMAQI
17th Jul 20255012 PMAQI
17th Jul 2025491 PMAQI
17th Jul 2025462 PMAQI
17th Jul 2025453 PMAQI
17th Jul 2025444 PMAQI
17th Jul 2025495 PMAQI
17th Jul 2025466 PMAQI
17th Jul 2025457 PMAQI
17th Jul 2025468 PMAQI
17th Jul 2025459 PMAQI
17th Jul 20254610 PMAQI
17th Jul 20254611 PMAQI
18th Jul 20254512 AMAQI
18th Jul 2025481 AMAQI
18th Jul 2025482 AMAQI
18th Jul 2025483 AMAQI
18th Jul 2025484 AMAQI
30°C28/33°C
18th Jul 2025485 AMAQI
18th Jul 2025486 AMAQI
18th Jul 2025487 AMAQI
18th Jul 2025368 AMAQI
18th Jul 2025349 AMAQI
18th Jul 20253610 AMAQI
18th Jul 20254111 AMAQI
18th Jul 20254612 PMAQI
18th Jul 2025491 PMAQI
18th Jul 2025482 PMAQI
18th Jul 2025453 PMAQI
18th Jul 2025474 PMAQI
18th Jul 2025505 PMAQI
18th Jul 2025526 PMAQI
18th Jul 2025527 PMAQI
18th Jul 2025518 PMAQI
18th Jul 2025509 PMAQI
18th Jul 20255010 PMAQI
18th Jul 20254911 PMAQI
19th Jul 20254812 AMAQI
19th Jul 2025481 AMAQI
19th Jul 2025482 AMAQI
19th Jul 2025473 AMAQI
19th Jul 2025474 AMAQI
30°C28/34°C
19th Jul 2025465 AMAQI
19th Jul 2025466 AMAQI
19th Jul 2025467 AMAQI
19th Jul 2025548 AMAQI
19th Jul 2025559 AMAQI
19th Jul 20255610 AMAQI
19th Jul 20255611 AMAQI
19th Jul 20255512 PMAQI
19th Jul 2025451 PMAQI
19th Jul 2025442 PMAQI
19th Jul 2025373 PMAQI
19th Jul 2025344 PMAQI
19th Jul 2025405 PMAQI
19th Jul 2025386 PMAQI
19th Jul 2025397 PMAQI
19th Jul 2025458 PMAQI
19th Jul 2025429 PMAQI
19th Jul 20254110 PMAQI
19th Jul 20253811 PMAQI
20th Jul 20253912 AMAQI
20th Jul 2025481 AMAQI
20th Jul 2025482 AMAQI
20th Jul 2025483 AMAQI
20th Jul 2025494 AMAQI
28°C26/29°C
20th Jul 2025495 AMAQI
20th Jul 2025496 AMAQI
20th Jul 2025497 AMAQI
20th Jul 2025368 AMAQI
20th Jul 2025249 AMAQI
20th Jul 20252410 AMAQI
20th Jul 20252311 AMAQI
20th Jul 20252612 PMAQI
20th Jul 2025241 PMAQI
20th Jul 2025272 PMAQI
20th Jul 2025283 PMAQI
20th Jul 2025244 PMAQI
20th Jul 2025275 PMAQI
20th Jul 2025266 PMAQI
20th Jul 2025307 PMAQI
20th Jul 2025388 PMAQI
20th Jul 2025409 PMAQI
20th Jul 20253910 PMAQI
20th Jul 20253911 PMAQI
21st Jul 20254112 AMAQI
21st Jul 2025471 AMAQI
21st Jul 2025482 AMAQI
21st Jul 2025463 AMAQI
21st Jul 2025434 AMAQI
27°C25/30°C
21st Jul 2025435 AMAQI
21st Jul 2025436 AMAQI
21st Jul 2025437 AMAQI
21st Jul 2025288 AMAQI
21st Jul 2025249 AMAQI
21st Jul 20253110 AMAQI
21st Jul 20253711 AMAQI
21st Jul 20253812 PMAQI
21st Jul 2025341 PMAQI
21st Jul 2025272 PMAQI
21st Jul 2025273 PMAQI
21st Jul 2025344 PMAQI
21st Jul 2025365 PMAQI
21st Jul 2025336 PMAQI
21st Jul 2025317 PMAQI
21st Jul 2025378 PMAQI
21st Jul 2025359 PMAQI
21st Jul 20253610 PMAQI
21st Jul 20253811 PMAQI
22nd Jul 20254212 AMAQI
22nd Jul 2025441 AMAQI
22nd Jul 2025442 AMAQI
22nd Jul 2025433 AMAQI
22nd Jul 2025414 AMAQI
26°C25/27°C
22nd Jul 2025405 AMAQI
22nd Jul 2025406 AMAQI
22nd Jul 2025417 AMAQI
22nd Jul 2025308 AMAQI
22nd Jul 2025289 AMAQI
22nd Jul 20253410 AMAQI
22nd Jul 20253011 AMAQI
22nd Jul 20253212 PMAQI
22nd Jul 2025351 PMAQI
22nd Jul 2025372 PMAQI
22nd Jul 2025353 PMAQI
22nd Jul 2025364 PMAQI
22nd Jul 2025385 PMAQI
22nd Jul 2025406 PMAQI
22nd Jul 2025447 PMAQI
22nd Jul 2025428 PMAQI
22nd Jul 2025439 PMAQI
22nd Jul 20253910 PMAQI
22nd Jul 20253911 PMAQI
23rd Jul 20254012 AMAQI
23rd Jul 2025431 AMAQI
23rd Jul 2025422 AMAQI
23rd Jul 2025413 AMAQI
23rd Jul 2025404 AMAQI
28°C26/32°C
23rd Jul 2025405 AMAQI
23rd Jul 2025406 AMAQI
23rd Jul 2025407 AMAQI
23rd Jul 2025528 AMAQI
23rd Jul 2025549 AMAQI
23rd Jul 20255810 AMAQI
23rd Jul 20255811 AMAQI
23rd Jul 20255612 PMAQI
23rd Jul 2025551 PMAQI
23rd Jul 2025522 PMAQI
23rd Jul 2025503 PMAQI
23rd Jul 2025554 PMAQI
23rd Jul 2025585 PMAQI
23rd Jul 2025576 PMAQI
23rd Jul 2025547 PMAQI
23rd Jul 2025518 PMAQI
23rd Jul 2025509 PMAQI
23rd Jul 20254910 PMAQI
23rd Jul 20254811 PMAQI
24th Jul 20254512 AMAQI
24th Jul 2025411 AMAQI
24th Jul 2025412 AMAQI
24th Jul 2025433 AMAQI
24th Jul 2025454 AMAQI
30°C27/33°C
24th Jul 2025455 AMAQI
24th Jul 2025456 AMAQI
24th Jul 2025457 AMAQI
24th Jul 2025518 AMAQI
24th Jul 2025529 AMAQI
24th Jul 20254610 AMAQI
24th Jul 20254711 AMAQI
24th Jul 20254812 PMAQI
24th Jul 2025481 PMAQI
24th Jul 2025492 PMAQI
24th Jul 2025513 PMAQI
24th Jul 2025474 PMAQI
24th Jul 2025525 PMAQI
24th Jul 2025536 PMAQI
24th Jul 2025497 PMAQI
24th Jul 2025498 PMAQI
24th Jul 2025499 PMAQI
24th Jul 20254810 PMAQI
24th Jul 20254711 PMAQI
25th Jul 20254612 AMAQI
25th Jul 2025461 AMAQI
25th Jul 2025452 AMAQI
25th Jul 2025453 AMAQI
25th Jul 2025474 AMAQI
29°C27/33°C
25th Jul 2025475 AMAQI
25th Jul 2025466 AMAQI
25th Jul 2025467 AMAQI
25th Jul 2025528 AMAQI
25th Jul 2025569 AMAQI
25th Jul 20255510 AMAQI
25th Jul 20254911 AMAQI
25th Jul 20255312 PMAQI
25th Jul 2025521 PMAQI
25th Jul 2025472 PMAQI
25th Jul 2025373 PMAQI
25th Jul 2025404 PMAQI
25th Jul 2025485 PMAQI
25th Jul 2025506 PMAQI
25th Jul 2025447 PMAQI
25th Jul 2025478 PMAQI
25th Jul 2025479 PMAQI
25th Jul 20254610 PMAQI
25th Jul 20255011 PMAQI
26th Jul 20254512 AMAQI
26th Jul 2025471 AMAQI
26th Jul 2025472 AMAQI
26th Jul 2025473 AMAQI
26th Jul 2025484 AMAQI
30°C27/33°C
26th Jul 2025475 AMAQI
26th Jul 2025486 AMAQI
26th Jul 2025477 AMAQI
26th Jul 2025328 AMAQI
26th Jul 2025269 AMAQI
26th Jul 20252610 AMAQI
26th Jul 20252911 AMAQI
26th Jul 20253812 PMAQI
26th Jul 2025411 PMAQI
26th Jul 2025402 PMAQI
26th Jul 2025383 PMAQI
26th Jul 2025364 PMAQI
26th Jul 2025415 PMAQI
26th Jul 2025436 PMAQI
26th Jul 2025487 PMAQI
26th Jul 2025508 PMAQI
26th Jul 2025509 PMAQI
26th Jul 20255010 PMAQI
26th Jul 20254911 PMAQI
27th Jul 20254812 AMAQI
27th Jul 2025471 AMAQI
27th Jul 2025472 AMAQI
27th Jul 2025473 AMAQI
27th Jul 2025444 AMAQI
27°C26/29°C
27th Jul 2025445 AMAQI
27th Jul 2025446 AMAQI
27th Jul 2025457 AMAQI
27th Jul 2025418 AMAQI
27th Jul 2025399 AMAQI
27th Jul 20254010 AMAQI
27th Jul 20254011 AMAQI
27th Jul 20253812 PMAQI
27th Jul 2025371 PMAQI
27th Jul 2025392 PMAQI
27th Jul 2025353 PMAQI
27th Jul 2025324 PMAQI
27th Jul 2025365 PMAQI
27th Jul 2025386 PMAQI
27th Jul 2025407 PMAQI
27th Jul 2025438 PMAQI
27th Jul 2025409 PMAQI
27th Jul 20254010 PMAQI
27th Jul 20254011 PMAQI
28th Jul 20253912 AMAQI
28th Jul 2025461 AMAQI
28th Jul 2025462 AMAQI
28th Jul 2025463 AMAQI
28th Jul 2025444 AMAQI
29°C27/32°C
28th Jul 2025445 AMAQI
28th Jul 2025456 AMAQI
28th Jul 2025447 AMAQI
28th Jul 2025308 AMAQI
28th Jul 2025319 AMAQI
28th Jul 20254510 AMAQI
28th Jul 20254311 AMAQI
28th Jul 20253712 PMAQI
28th Jul 2025331 PMAQI
28th Jul 2025332 PMAQI
28th Jul 2025313 PMAQI
28th Jul 2025274 PMAQI
28th Jul 2025295 PMAQI
28th Jul 2025276 PMAQI
28th Jul 2025327 PMAQI
28th Jul 2025368 PMAQI
28th Jul 2025359 PMAQI
28th Jul 20253610 PMAQI
28th Jul 20253711 PMAQI
29th Jul 20253912 AMAQI
29th Jul 2025441 AMAQI
29th Jul 2025452 AMAQI
29th Jul 2025443 AMAQI
29th Jul 2025434 AMAQI
26°C24/26°C
29th Jul 2025435 AMAQI
29th Jul 2025436 AMAQI
29th Jul 2025437 AMAQI
29th Jul 2025288 AMAQI
29th Jul 2025279 AMAQI
29th Jul 20253210 AMAQI
29th Jul 20253511 AMAQI
29th Jul 20253212 PMAQI
29th Jul 2025311 PMAQI
29th Jul 2025272 PMAQI
29th Jul 2025293 PMAQI
29th Jul 2025314 PMAQI
29th Jul 2025345 PMAQI
29th Jul 2025386 PMAQI
29th Jul 2025427 PMAQI
29th Jul 2025398 PMAQI
29th Jul 2025409 PMAQI
29th Jul 20254010 PMAQI
29th Jul 20254111 PMAQI
30th Jul 20254112 AMAQI
30th Jul 2025431 AMAQI
30th Jul 2025432 AMAQI
30th Jul 2025423 AMAQI
30th Jul 2025404 AMAQI
26°C25/27°C
30th Jul 2025405 AMAQI
30th Jul 2025406 AMAQI
30th Jul 2025407 AMAQI
30th Jul 2025398 AMAQI
30th Jul 2025399 AMAQI
30th Jul 20253910 AMAQI
30th Jul 20254311 AMAQI
30th Jul 20254312 PMAQI
30th Jul 2025451 PMAQI
30th Jul 2025442 PMAQI
30th Jul 2025433 PMAQI
30th Jul 2025444 PMAQI
30th Jul 2025485 PMAQI
30th Jul 2025506 PMAQI
30th Jul 2025547 PMAQI
30th Jul 2025478 PMAQI
30th Jul 2025479 PMAQI
30th Jul 20254510 PMAQI
30th Jul 20254711 PMAQI
31st Jul 20254912 AMAQI
31st Jul 2025421 AMAQI
31st Jul 2025422 AMAQI
31st Jul 2025413 AMAQI
31st Jul 2025404 AMAQI
27°C25/29°C
31st Jul 2025405 AMAQI
31st Jul 2025406 AMAQI
31st Jul 2025407 AMAQI
31st Jul 2025408 AMAQI
31st Jul 2025409 AMAQI
31st Jul 20254310 AMAQI
31st Jul 20253911 AMAQI
31st Jul 20254112 PMAQI
31st Jul 2025441 PMAQI
31st Jul 2025462 PMAQI
31st Jul 2025503 PMAQI
31st Jul 2025464 PMAQI
31st Jul 2025475 PMAQI
31st Jul 2025486 PMAQI
31st Jul 2025517 PMAQI
31st Jul 2025508 PMAQI
31st Jul 2025519 PMAQI
31st Jul 20254910 PMAQI
31st Jul 20255311 PMAQI
1st Aug 20255012 AMAQI
1st Aug 2025481 AMAQI
1st Aug 2025482 AMAQI
1st Aug 2025423 AMAQI
1st Aug 2025434 AMAQI
28°C26/31°C
1st Aug 2025425 AMAQI
1st Aug 2025456 AMAQI
1st Aug 2025487 AMAQI
1st Aug 2025478 AMAQI
1st Aug 2025579 AMAQI
1st Aug 20255910 AMAQI
1st Aug 20255811 AMAQI
1st Aug 20255612 PMAQI
1st Aug 2025531 PMAQI
1st Aug 2025462 PMAQI
1st Aug 2025423 PMAQI
1st Aug 2025344 PMAQI
1st Aug 2025345 PMAQI
1st Aug 2025376 PMAQI
1st Aug 2025417 PMAQI
1st Aug 2025418 PMAQI
1st Aug 2025419 PMAQI
1st Aug 20254210 PMAQI
1st Aug 20254411 PMAQI
2nd Aug 20255012 AMAQI
2nd Aug 2025481 AMAQI
2nd Aug 2025472 AMAQI
2nd Aug 2025493 AMAQI
2nd Aug 2025504 AMAQI
27°C26/29°C
2nd Aug 2025495 AMAQI
2nd Aug 2025506 AMAQI
2nd Aug 2025497 AMAQI
2nd Aug 2025288 AMAQI
2nd Aug 2025309 AMAQI
2nd Aug 20253410 AMAQI
2nd Aug 20254611 AMAQI
2nd Aug 20255112 PMAQI
2nd Aug 2025521 PMAQI
2nd Aug 2025492 PMAQI
2nd Aug 2025553 PMAQI
2nd Aug 2025414 PMAQI
2nd Aug 2025355 PMAQI
2nd Aug 2025436 PMAQI
2nd Aug 2025437 PMAQI
2nd Aug 2025458 PMAQI
2nd Aug 2025469 PMAQI
2nd Aug 20255110 PMAQI
2nd Aug 20254811 PMAQI
3rd Aug 20255112 AMAQI
3rd Aug 2025501 AMAQI
3rd Aug 2025482 AMAQI
3rd Aug 2025493 AMAQI
3rd Aug 2025484 AMAQI
29°C27/31°C
3rd Aug 2025495 AMAQI
3rd Aug 2025516 AMAQI
3rd Aug 2025497 AMAQI
3rd Aug 2025538 AMAQI
3rd Aug 2025549 AMAQI
3rd Aug 20255410 AMAQI
3rd Aug 20254811 AMAQI
3rd Aug 20255112 PMAQI
3rd Aug 2025441 PMAQI
3rd Aug 2025542 PMAQI
3rd Aug 2025443 PMAQI
3rd Aug 2025514 PMAQI
3rd Aug 2025495 PMAQI
3rd Aug 2025516 PMAQI
3rd Aug 2025547 PMAQI
3rd Aug 2025458 PMAQI
3rd Aug 2025459 PMAQI
3rd Aug 20254410 PMAQI
3rd Aug 20254611 PMAQI
4th Aug 20255312 AMAQI
4th Aug 2025521 AMAQI
4th Aug 2025492 AMAQI
4th Aug 2025503 AMAQI
4th Aug 2025524 AMAQI
27°C25/28°C
4th Aug 2025515 AMAQI
4th Aug 2025506 AMAQI
4th Aug 2025517 AMAQI
4th Aug 2025288 AMAQI
4th Aug 2025309 AMAQI
4th Aug 20252810 AMAQI
4th Aug 20253011 AMAQI
4th Aug 20253512 PMAQI
4th Aug 2025411 PMAQI
4th Aug 2025402 PMAQI
4th Aug 2025283 PMAQI
4th Aug 2025384 PMAQI
4th Aug 2025295 PMAQI
4th Aug 2025326 PMAQI
4th Aug 2025367 PMAQI
4th Aug 2025408 PMAQI
4th Aug 2025429 PMAQI
4th Aug 20254310 PMAQI
4th Aug 20254011 PMAQI
5th Aug 20254612 AMAQI
5th Aug 2025491 AMAQI
5th Aug 2025522 AMAQI
5th Aug 2025493 AMAQI
5th Aug 2025484 AMAQI
25°C24/26°C
5th Aug 2025475 AMAQI
5th Aug 2025496 AMAQI
5th Aug 2025477 AMAQI
5th Aug 2025368 AMAQI
5th Aug 2025369 AMAQI
5th Aug 20253810 AMAQI
5th Aug 20255611 AMAQI
5th Aug 20255112 PMAQI
5th Aug 2025501 PMAQI
5th Aug 2025432 PMAQI
5th Aug 2025493 PMAQI
5th Aug 2025504 PMAQI
5th Aug 2025525 PMAQI
5th Aug 2025506 PMAQI
5th Aug 2025507 PMAQI
5th Aug 2025528 PMAQI
5th Aug 2025499 PMAQI
5th Aug 20255210 PMAQI
5th Aug 20255011 PMAQI
6th Aug 20254912 AMAQI
6th Aug 2025481 AMAQI
6th Aug 2025462 AMAQI
6th Aug 2025473 AMAQI
6th Aug 2025494 AMAQI
28°C25/30°C
6th Aug 2025495 AMAQI
6th Aug 2025506 AMAQI
6th Aug 2025487 AMAQI
6th Aug 2025478 AMAQI
6th Aug 2025479 AMAQI
6th Aug 20254310 AMAQI
6th Aug 20254911 AMAQI
6th Aug 20255212 PMAQI
6th Aug 2025541 PMAQI
6th Aug 2025502 PMAQI
6th Aug 2025513 PMAQI
6th Aug 2025434 PMAQI
6th Aug 2025465 PMAQI
6th Aug 2025456 PMAQI
6th Aug 2025477 PMAQI
6th Aug 2025518 PMAQI
6th Aug 2025499 PMAQI
6th Aug 20255010 PMAQI
6th Aug 20255011 PMAQI
7th Aug 20254912 AMAQI
7th Aug 2025501 AMAQI
7th Aug 2025482 AMAQI
7th Aug 2025483 AMAQI
7th Aug 2025504 AMAQI
29°C27/32°C
7th Aug 2025485 AMAQI
7th Aug 2025496 AMAQI
7th Aug 2025487 AMAQI
7th Aug 2025528 AMAQI
7th Aug 2025579 AMAQI
7th Aug 20255210 AMAQI
7th Aug 20255411 AMAQI
7th Aug 20255612 PMAQI
7th Aug 2025561 PMAQI
7th Aug 2025562 PMAQI
7th Aug 2025503 PMAQI
7th Aug 2025474 PMAQI
7th Aug 2025465 PMAQI
7th Aug 2025386 PMAQI
7th Aug 2025417 PMAQI
7th Aug 2025478 PMAQI
7th Aug 2025499 PMAQI
7th Aug 20254810 PMAQI
7th Aug 20254911 PMAQI
8th Aug 20254812 AMAQI
8th Aug 2025481 AMAQI
8th Aug 2025492 AMAQI
8th Aug 2025493 AMAQI
8th Aug 2025514 AMAQI
30°C27/33°C
8th Aug 2025515 AMAQI
5 AM8th Aug 2025516 AMAQI
8th Aug 2025527 AMAQI
8th Aug 2025608 AMAQI
8th Aug 2025649 AMAQI
8th Aug 20256810 AMAQI
8th Aug 20257011 AMAQI
11 AM8th Aug 20257312 PMAQI
6 PM
11 PM
4 AM
--°C/°C
Day time
Avg. Highest Time
5 AM - 6 PM
43AQI
14 hours / Day
420 hours / Month
Avg. Lowest Time
8 AM - 6 PM
43AQI
11 hours / Day
330 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 5 AM to 6 PM (Avg. 43), while the lowest AQI was between 8 AM to 6 PM (Avg. 43).
Night time
Avg. Highest Time
12 AM - 11 PM
44AQI
10 hours / Day
300 hours / Month
Avg. Lowest Time
12 AM - 11 PM
44AQI
10 hours / Day
300 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 11 PM (Avg. 44), while the lowest AQI was between 12 AM to 11 PM (Avg. 44).
2025 Days Vs Air Quality
Tainan, Tainan, Taiwan
2025
40%
87
59%
129
1%
3
Total number of days with different AQI categories in last 220 days in 2025 (145 days remaining)
Good
87 DaysModerate
129 DaysPoor
3 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 40%
Health Risk Level:
Significant
In 2025, 40% of 220 days were within WHO’s safe air quality limits, and 60% exceeded them. The risk of health issues is Significant, especially for those with existing respiratory or heart conditions.
Annual Air Quality Insights
Tainan, Tainan, Taiwan
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
108AQI
108AQI
2nd January 2025
70AQI
70AQI
3rd January 2025
71AQI
71AQI
4th January 2025
71AQI
71AQI
5th January 2025
68AQI
68AQI
6th January 2025
83AQI
83AQI
7th January 2025
84AQI
84AQI
8th January 2025
74AQI
74AQI
9th January 2025
78AQI
78AQI
10th January 2025
67AQI
67AQI
11th January 2025
62AQI
62AQI
12th January 2025
62AQI
62AQI
13th January 2025
69AQI
69AQI
14th January 2025
84AQI
84AQI
15th January 2025
81AQI
81AQI
16th January 2025
71AQI
71AQI
17th January 2025
71AQI
71AQI
18th January 2025
76AQI
76AQI
19th January 2025
68AQI
68AQI
20th January 2025
80AQI
80AQI
21st January 2025
93AQI
93AQI
22nd January 2025
95AQI
95AQI
23rd January 2025
101AQI
101AQI
24th January 2025
82AQI
82AQI
25th January 2025
96AQI
96AQI
26th January 2025
74AQI
74AQI
27th January 2025
62AQI
62AQI
28th January 2025
65AQI
65AQI
29th January 2025
65AQI
65AQI
30th January 2025
68AQI
68AQI
31st January 2025
80AQI
80AQI
1st February 2025
64AQI
64AQI
2nd February 2025
65AQI
65AQI
3rd February 2025
63AQI
63AQI
4th February 2025
72AQI
72AQI
5th February 2025
80AQI
80AQI
6th February 2025
87AQI
87AQI
7th February 2025
69AQI
69AQI
8th February 2025
69AQI
69AQI
9th February 2025
60AQI
60AQI
10th February 2025
64AQI
64AQI
11th February 2025
74AQI
74AQI
12th February 2025
73AQI
73AQI
13th February 2025
59AQI
59AQI
14th February 2025
71AQI
71AQI
15th February 2025
64AQI
64AQI
16th February 2025
82AQI
82AQI
17th February 2025
93AQI
93AQI
18th February 2025
92AQI
92AQI
19th February 2025
73AQI
73AQI
20th February 2025
90AQI
90AQI
21st February 2025
64AQI
64AQI
22nd February 2025
71AQI
71AQI
23rd February 2025
57AQI
57AQI
24th February 2025
67AQI
67AQI
25th February 2025
74AQI
74AQI
26th February 2025
97AQI
97AQI
27th February 2025
102AQI
102AQI
28th February 2025
76AQI
76AQI
1st March 2025
76AQI
76AQI
2nd March 2025
62AQI
62AQI
3rd March 2025
56AQI
56AQI
4th March 2025
58AQI
58AQI
5th March 2025
54AQI
54AQI
6th March 2025
51AQI
51AQI
7th March 2025
62AQI
62AQI
8th March 2025
68AQI
68AQI
9th March 2025
68AQI
68AQI
10th March 2025
80AQI
80AQI
11th March 2025
88AQI
88AQI
12th March 2025
78AQI
78AQI
13th March 2025
74AQI
74AQI
14th March 2025
78AQI
78AQI
15th March 2025
72AQI
72AQI
16th March 2025
54AQI
54AQI
17th March 2025
82AQI
82AQI
18th March 2025
65AQI
65AQI
19th March 2025
73AQI
73AQI
20th March 2025
77AQI
77AQI
21st March 2025
81AQI
81AQI
22nd March 2025
73AQI
73AQI
23rd March 2025
69AQI
69AQI
24th March 2025
62AQI
62AQI
25th March 2025
62AQI
62AQI
26th March 2025
58AQI
58AQI
27th March 2025
55AQI
55AQI
28th March 2025
61AQI
61AQI
29th March 2025
59AQI
59AQI
30th March 2025
50AQI
50AQI
31st March 2025
56AQI
56AQI
1st April 2025
42AQI
42AQI
2nd April 2025
65AQI
65AQI
3rd April 2025
62AQI
62AQI
4th April 2025
69AQI
69AQI
5th April 2025
74AQI
74AQI
6th April 2025
65AQI
65AQI
7th April 2025
70AQI
70AQI
8th April 2025
70AQI
70AQI
9th April 2025
65AQI
65AQI
10th April 2025
61AQI
61AQI
11th April 2025
60AQI
60AQI
12th April 2025
52AQI
52AQI
13th April 2025
80AQI
80AQI
14th April 2025
72AQI
72AQI
15th April 2025
84AQI
84AQI
16th April 2025
76AQI
76AQI
17th April 2025
68AQI
68AQI
18th April 2025
57AQI
57AQI
19th April 2025
55AQI
55AQI
20th April 2025
55AQI
55AQI
21st April 2025
55AQI
55AQI
22nd April 2025
51AQI
51AQI
23rd April 2025
53AQI
53AQI
24th April 2025
49AQI
49AQI
25th April 2025
48AQI
48AQI
26th April 2025
59AQI
59AQI
27th April 2025
61AQI
61AQI
28th April 2025
55AQI
55AQI
29th April 2025
64AQI
64AQI
30th April 2025
57AQI
57AQI
1st May 2025
56AQI
56AQI
2nd May 2025
65AQI
65AQI
3rd May 2025
63AQI
63AQI
4th May 2025
67AQI
67AQI
5th May 2025
54AQI
54AQI
6th May 2025
60AQI
60AQI
7th May 2025
55AQI
55AQI
8th May 2025
56AQI
56AQI
9th May 2025
42AQI
42AQI
10th May 2025
37AQI
37AQI
11th May 2025
41AQI
41AQI
12th May 2025
53AQI
53AQI
13th May 2025
51AQI
51AQI
14th May 2025
52AQI
52AQI
15th May 2025
48AQI
48AQI
16th May 2025
43AQI
43AQI
17th May 2025
36AQI
36AQI
18th May 2025
34AQI
34AQI
19th May 2025
33AQI
33AQI
20th May 2025
34AQI
34AQI
21st May 2025
29AQI
29AQI
22nd May 2025
36AQI
36AQI
23rd May 2025
36AQI
36AQI
24th May 2025
39AQI
39AQI
25th May 2025
53AQI
53AQI
26th May 2025
57AQI
57AQI
27th May 2025
54AQI
54AQI
28th May 2025
54AQI
54AQI
29th May 2025
45AQI
45AQI
30th May 2025
50AQI
50AQI
31st May 2025
56AQI
56AQI
1st June 2025
46AQI
46AQI
2nd June 2025
41AQI
41AQI
3rd June 2025
38AQI
38AQI
4th June 2025
35AQI
35AQI
5th June 2025
36AQI
36AQI
6th June 2025
36AQI
36AQI
7th June 2025
31AQI
31AQI
8th June 2025
28AQI
28AQI
9th June 2025
31AQI
31AQI
10th June 2025
34AQI
34AQI
11th June 2025
41AQI
41AQI
12th June 2025
44AQI
44AQI
13th June 2025
31AQI
31AQI
14th June 2025
36AQI
36AQI
15th June 2025
39AQI
39AQI
16th June 2025
34AQI
34AQI
17th June 2025
33AQI
33AQI
18th June 2025
35AQI
35AQI
19th June 2025
33AQI
33AQI
20th June 2025
34AQI
34AQI
21st June 2025
28AQI
28AQI
22nd June 2025
21AQI
21AQI
23rd June 2025
24AQI
24AQI
24th June 2025
26AQI
26AQI
25th June 2025
27AQI
27AQI
26th June 2025
29AQI
29AQI
27th June 2025
29AQI
29AQI
28th June 2025
31AQI
31AQI
29th June 2025
33AQI
33AQI
30th June 2025
36AQI
36AQI
1st July 2025
35AQI
35AQI
2nd July 2025
39AQI
39AQI
3rd July 2025
39AQI
39AQI
4th July 2025
38AQI
38AQI
5th July 2025
35AQI
35AQI
6th July 2025
32AQI
32AQI
7th July 2025
31AQI
31AQI
8th July 2025
36AQI
36AQI
9th July 2025
40AQI
40AQI
10th July 2025
34AQI
34AQI
11th July 2025
39AQI
39AQI
12th July 2025
42AQI
42AQI
13th July 2025
45AQI
45AQI
14th July 2025
46AQI
46AQI
15th July 2025
46AQI
46AQI
16th July 2025
46AQI
46AQI
17th July 2025
47AQI
47AQI
18th July 2025
47AQI
47AQI
19th July 2025
45AQI
45AQI
20th July 2025
37AQI
37AQI
21st July 2025
37AQI
37AQI
22nd July 2025
39AQI
39AQI
23rd July 2025
49AQI
49AQI
24th July 2025
47AQI
47AQI
25th July 2025
47AQI
47AQI
26th July 2025
43AQI
43AQI
27th July 2025
41AQI
41AQI
28th July 2025
38AQI
38AQI
29th July 2025
38AQI
38AQI
30th July 2025
44AQI
44AQI
31st July 2025
45AQI
45AQI
1st August 2025
45AQI
45AQI
2nd August 2025
46AQI
46AQI
3rd August 2025
49AQI
49AQI
4th August 2025
41AQI
41AQI
5th August 2025
49AQI
49AQI
6th August 2025
48AQI
48AQI
7th August 2025
50AQI
50AQI
77AQI
74AQI
67AQI
62AQI
48AQI
33AQI
41AQI
47AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202557AQI
29
2
27
1
1
30
3
27
15
16
30
31
7
87
129
3
Highest AQI recorded in
January77AQI
Lowest AQI recorded in
June33AQI
202459AQI
1
17
13
4
22
3
4
21
6
11
19
8
22
1
29
31
30
1
23
7
11
20
29
1
31
152
189
24
Highest AQI recorded in
January96AQI
Lowest AQI recorded in
July31AQI
202362AQI
1
24
6
18
10
1
29
1
2
26
2
7
24
28
2
30
1
30
1
20
10
1
27
3
29
3
27
1
123
218
23
Highest AQI recorded in
February86AQI
Lowest AQI recorded in
July33AQI
202264AQI
1
22
7
4
13
5
2
18
11
10
18
2
14
17
30
24
2
8
21
1
30
1
21
8
6
24
1
103
184
34
Highest AQI recorded in
March88AQI
Lowest AQI recorded in
July25AQI
202164AQI
18
11
13
15
2
17
12
3
27
26
5
28
2
31
25
6
19
11
7
24
29
1
1
24
6
142
176
45
Highest AQI recorded in
February100AQI
Lowest AQI recorded in
July35AQI
202058AQI
2
10
1
4
17
15
3
29
1
28
3
25
6
4
26
31
29
1
26
5
107
152
7
Highest AQI recorded in
November82AQI
Lowest AQI recorded in
June27AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2022(Avg.)
64AQILeast Polluted Year Recorded
2025(Avg.)
57AQITainan's annual 2025 AQI (57) shows an average percentage change of -7.1% (improved AQI) compared to previous years: 2020 (58), 2021 (64), 2022 (64), 2023 (62), 2024 (59).
