Annan District, 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
Annan District, Tainan, Taiwan
2022
2023
2024
2025
2026
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
31st Aug 2024
58AQILowest AQI recorded on
21st Aug 2023
17AQISame Day Analysis (5th August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 3rd highest AQI at 32 of Good air quality, showing improvement over 2025 and 2023 on the same day.
Day & Night AQI Trend: 4th Aug - 5th Aug 2026
Annan District, Tainan, Taiwan
AQI
Day
Night
.
5 AM4th Aug 2026
6 PM
4 AM5th Aug 2026
Day time
Avg. Highest Time
8AM4th Aug
59AQI
Avg. Lowest Time
5PM4th Aug
38AQI
Night time
Avg. Highest Time
1AM5th Aug
46AQI
Avg. Lowest Time
3AM5th Aug
29AQI
In the last 24 hours,
Annan District's AQI reached its highest point of 59 at 8 AM during the Day, while the lowest point, 29, was recorded at 3 AM during the Night between 4th Aug and 5th Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Annan District, Tainan, Taiwan
JulAug
07th - 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
7th Jul 2026265 AMAQI
7th Jul 2026266 AMAQI
7th Jul 2026267 AMAQI
7th Jul 2026188 AMAQI
7th Jul 2026269 AMAQI
7th Jul 20262210 AMAQI
7th Jul 20261011 AMAQI
7th Jul 20262012 PMAQI
7th Jul 2026151 PMAQI
7th Jul 202692 PMAQI
7th Jul 2026163 PMAQI
7th Jul 2026194 PMAQI
7th Jul 2026175 PMAQI
7th Jul 202686 PMAQI
7th Jul 202687 PMAQI
7th Jul 202688 PMAQI
7th Jul 2026169 PMAQI
7th Jul 20262310 PMAQI
7th Jul 20263011 PMAQI
8th Jul 20261812 AMAQI
8th Jul 2026281 AMAQI
8th Jul 202682 AMAQI
8th Jul 202683 AMAQI
8th Jul 2026184 AMAQI
30°C28/33°C
8th Jul 202685 AMAQI
8th Jul 2026266 AMAQI
8th Jul 2026287 AMAQI
8th Jul 2026248 AMAQI
8th Jul 2026259 AMAQI
8th Jul 20262710 AMAQI
8th Jul 20262411 AMAQI
8th Jul 20262412 PMAQI
8th Jul 2026201 PMAQI
8th Jul 2026282 PMAQI
8th Jul 202683 PMAQI
8th Jul 2026224 PMAQI
8th Jul 2026225 PMAQI
8th Jul 2026206 PMAQI
8th Jul 2026197 PMAQI
8th Jul 2026218 PMAQI
8th Jul 2026229 PMAQI
8th Jul 20262510 PMAQI
8th Jul 20262811 PMAQI
9th Jul 20262612 AMAQI
9th Jul 2026271 AMAQI
9th Jul 2026282 AMAQI
9th Jul 2026173 AMAQI
9th Jul 2026244 AMAQI
31°C28/34°C
9th Jul 2026245 AMAQI
9th Jul 2026256 AMAQI
9th Jul 2026247 AMAQI
9th Jul 2026238 AMAQI
9th Jul 2026219 AMAQI
9th Jul 20262210 AMAQI
9th Jul 20262211 AMAQI
9th Jul 20262012 PMAQI
9th Jul 2026221 PMAQI
9th Jul 2026262 PMAQI
9th Jul 2026263 PMAQI
9th Jul 2026244 PMAQI
9th Jul 2026245 PMAQI
9th Jul 2026256 PMAQI
9th Jul 2026247 PMAQI
9th Jul 2026288 PMAQI
9th Jul 2026279 PMAQI
9th Jul 20262910 PMAQI
9th Jul 20263011 PMAQI
10th Jul 20263012 AMAQI
10th Jul 2026281 AMAQI
10th Jul 2026272 AMAQI
10th Jul 2026263 AMAQI
10th Jul 2026274 AMAQI
31°C28/34°C
10th Jul 2026305 AMAQI
10th Jul 2026306 AMAQI
10th Jul 2026317 AMAQI
10th Jul 2026308 AMAQI
10th Jul 2026319 AMAQI
10th Jul 20262910 AMAQI
10th Jul 20262911 AMAQI
10th Jul 20263012 PMAQI
10th Jul 2026281 PMAQI
10th Jul 2026322 PMAQI
10th Jul 2026523 PMAQI
10th Jul 2026584 PMAQI
10th Jul 2026465 PMAQI
10th Jul 2026426 PMAQI
10th Jul 2026487 PMAQI
10th Jul 2026558 PMAQI
10th Jul 2026509 PMAQI
10th Jul 20265210 PMAQI
10th Jul 20266511 PMAQI
11th Jul 20265412 AMAQI
11th Jul 2026451 AMAQI
11th Jul 2026372 AMAQI
11th Jul 2026343 AMAQI
11th Jul 2026404 AMAQI
30°C28/33°C
11th Jul 2026525 AMAQI
11th Jul 2026746 AMAQI
11th Jul 2026787 AMAQI
11th Jul 2026608 AMAQI
11th Jul 2026569 AMAQI
11th Jul 20265510 AMAQI
11th Jul 20266011 AMAQI
11th Jul 20266912 PMAQI
11th Jul 2026581 PMAQI
11th Jul 2026522 PMAQI
11th Jul 2026463 PMAQI
11th Jul 2026584 PMAQI
11th Jul 2026645 PMAQI
11th Jul 2026706 PMAQI
11th Jul 2026857 PMAQI
11th Jul 2026648 PMAQI
11th Jul 2026609 PMAQI
11th Jul 20265210 PMAQI
11th Jul 20265111 PMAQI
12th Jul 20264612 AMAQI
12th Jul 2026361 AMAQI
12th Jul 2026352 AMAQI
12th Jul 2026303 AMAQI
12th Jul 2026324 AMAQI
27°C27/29°C
12th Jul 2026355 AMAQI
12th Jul 2026346 AMAQI
12th Jul 2026407 AMAQI
12th Jul 2026418 AMAQI
12th Jul 2026429 AMAQI
12th Jul 20263510 AMAQI
12th Jul 20264211 AMAQI
12th Jul 20263812 PMAQI
12th Jul 2026291 PMAQI
12th Jul 2026192 PMAQI
12th Jul 2026293 PMAQI
12th Jul 2026344 PMAQI
12th Jul 2026445 PMAQI
12th Jul 2026346 PMAQI
12th Jul 2026327 PMAQI
12th Jul 2026288 PMAQI
12th Jul 2026269 PMAQI
12th Jul 20263010 PMAQI
12th Jul 20263111 PMAQI
13th Jul 20262912 AMAQI
13th Jul 2026261 AMAQI
13th Jul 2026242 AMAQI
13th Jul 2026243 AMAQI
13th Jul 2026264 AMAQI
29°C28/31°C
13th Jul 2026285 AMAQI
13th Jul 2026246 AMAQI
13th Jul 2026267 AMAQI
13th Jul 2026268 AMAQI
13th Jul 2026309 AMAQI
13th Jul 20262910 AMAQI
13th Jul 20263011 AMAQI
13th Jul 20262612 PMAQI
13th Jul 2026361 PMAQI
13th Jul 2026272 PMAQI
13th Jul 2026313 PMAQI
13th Jul 2026334 PMAQI
13th Jul 2026375 PMAQI
13th Jul 2026406 PMAQI
13th Jul 2026427 PMAQI
13th Jul 2026468 PMAQI
13th Jul 2026389 PMAQI
13th Jul 20263210 PMAQI
13th Jul 20263211 PMAQI
14th Jul 20262812 AMAQI
14th Jul 2026341 AMAQI
14th Jul 2026282 AMAQI
14th Jul 2026243 AMAQI
14th Jul 2026314 AMAQI
30°C28/33°C
14th Jul 2026305 AMAQI
14th Jul 2026226 AMAQI
14th Jul 2026267 AMAQI
14th Jul 2026348 AMAQI
14th Jul 2026349 AMAQI
14th Jul 20262610 AMAQI
14th Jul 20262411 AMAQI
14th Jul 20262012 PMAQI
14th Jul 2026221 PMAQI
14th Jul 2026222 PMAQI
14th Jul 2026243 PMAQI
14th Jul 2026324 PMAQI
14th Jul 2026305 PMAQI
14th Jul 2026316 PMAQI
14th Jul 2026317 PMAQI
14th Jul 2026328 PMAQI
14th Jul 2026329 PMAQI
14th Jul 20263210 PMAQI
14th Jul 20263411 PMAQI
15th Jul 20263212 AMAQI
15th Jul 2026321 AMAQI
15th Jul 2026342 AMAQI
15th Jul 2026283 AMAQI
15th Jul 2026304 AMAQI
30°C28/33°C
15th Jul 2026235 AMAQI
15th Jul 2026286 AMAQI
15th Jul 2026307 AMAQI
15th Jul 2026288 AMAQI
15th Jul 2026309 AMAQI
15th Jul 20262810 AMAQI
15th Jul 20262411 AMAQI
15th Jul 20262112 PMAQI
15th Jul 2026201 PMAQI
15th Jul 2026252 PMAQI
15th Jul 2026303 PMAQI
15th Jul 2026334 PMAQI
15th Jul 2026315 PMAQI
15th Jul 2026246 PMAQI
15th Jul 2026237 PMAQI
15th Jul 2026258 PMAQI
15th Jul 2026309 PMAQI
15th Jul 20262610 PMAQI
15th Jul 20262611 PMAQI
16th Jul 20262612 AMAQI
16th Jul 2026281 AMAQI
16th Jul 2026262 AMAQI
16th Jul 2026283 AMAQI
16th Jul 2026304 AMAQI
30°C27/33°C
16th Jul 2026265 AMAQI
16th Jul 2026226 AMAQI
16th Jul 2026287 AMAQI
16th Jul 2026308 AMAQI
16th Jul 2026289 AMAQI
16th Jul 20262710 AMAQI
16th Jul 20262711 AMAQI
16th Jul 20262412 PMAQI
16th Jul 2026251 PMAQI
16th Jul 2026222 PMAQI
16th Jul 2026233 PMAQI
16th Jul 2026244 PMAQI
16th Jul 2026255 PMAQI
16th Jul 2026266 PMAQI
16th Jul 2026257 PMAQI
16th Jul 2026278 PMAQI
16th Jul 2026269 PMAQI
16th Jul 20263010 PMAQI
16th Jul 20262811 PMAQI
17th Jul 20262812 AMAQI
17th Jul 2026301 AMAQI
17th Jul 2026302 AMAQI
17th Jul 2026283 AMAQI
17th Jul 2026294 AMAQI
30°C28/32°C
17th Jul 2026305 AMAQI
17th Jul 2026306 AMAQI
17th Jul 2026247 AMAQI
17th Jul 2026288 AMAQI
17th Jul 2026289 AMAQI
17th Jul 20262610 AMAQI
17th Jul 20262411 AMAQI
17th Jul 20262412 PMAQI
17th Jul 2026231 PMAQI
17th Jul 2026222 PMAQI
17th Jul 2026253 PMAQI
17th Jul 2026234 PMAQI
17th Jul 2026215 PMAQI
17th Jul 2026216 PMAQI
17th Jul 2026237 PMAQI
17th Jul 2026238 PMAQI
17th Jul 2026219 PMAQI
17th Jul 20262310 PMAQI
17th Jul 20262311 PMAQI
18th Jul 20262312 AMAQI
18th Jul 2026211 AMAQI
18th Jul 2026212 AMAQI
18th Jul 2026213 AMAQI
18th Jul 2026214 AMAQI
30°C28/33°C
18th Jul 2026215 AMAQI
18th Jul 2026216 AMAQI
18th Jul 2026257 AMAQI
18th Jul 2026258 AMAQI
18th Jul 2026259 AMAQI
18th Jul 20262310 AMAQI
18th Jul 20262511 AMAQI
18th Jul 20262512 PMAQI
18th Jul 2026211 PMAQI
18th Jul 2026212 PMAQI
18th Jul 2026213 PMAQI
18th Jul 2026214 PMAQI
18th Jul 2026235 PMAQI
18th Jul 2026216 PMAQI
18th Jul 2026217 PMAQI
18th Jul 2026218 PMAQI
18th Jul 2026219 PMAQI
18th Jul 20262310 PMAQI
18th Jul 20262311 PMAQI
19th Jul 20262112 AMAQI
19th Jul 2026211 AMAQI
19th Jul 2026232 AMAQI
19th Jul 2026213 AMAQI
19th Jul 2026234 AMAQI
30°C28/33°C
19th Jul 2026255 AMAQI
19th Jul 2026256 AMAQI
19th Jul 2026217 AMAQI
19th Jul 2026258 AMAQI
19th Jul 2026259 AMAQI
19th Jul 20262510 AMAQI
19th Jul 20262111 AMAQI
19th Jul 20262112 PMAQI
19th Jul 2026211 PMAQI
19th Jul 2026212 PMAQI
19th Jul 2026213 PMAQI
19th Jul 2026214 PMAQI
19th Jul 2026275 PMAQI
19th Jul 2026236 PMAQI
19th Jul 2026237 PMAQI
19th Jul 2026238 PMAQI
19th Jul 2026219 PMAQI
19th Jul 20262510 PMAQI
19th Jul 20262111 PMAQI
20th Jul 20262312 AMAQI
20th Jul 2026231 AMAQI
20th Jul 2026252 AMAQI
20th Jul 2026213 AMAQI
20th Jul 2026214 AMAQI
28°C27/31°C
20th Jul 2026255 AMAQI
20th Jul 2026216 AMAQI
20th Jul 2026217 AMAQI
20th Jul 2026218 AMAQI
20th Jul 2026259 AMAQI
20th Jul 20262510 AMAQI
20th Jul 20262311 AMAQI
20th Jul 20262312 PMAQI
20th Jul 2026251 PMAQI
20th Jul 2026252 PMAQI
20th Jul 2026253 PMAQI
20th Jul 2026254 PMAQI
20th Jul 2026275 PMAQI
20th Jul 2026256 PMAQI
20th Jul 2026257 PMAQI
20th Jul 2026298 PMAQI
20th Jul 2026279 PMAQI
20th Jul 20263110 PMAQI
20th Jul 20263111 PMAQI
21st Jul 20263112 AMAQI
21st Jul 2026331 AMAQI
21st Jul 2026332 AMAQI
21st Jul 2026313 AMAQI
21st Jul 2026334 AMAQI
29°C26/31°C
21st Jul 2026365 AMAQI
21st Jul 2026336 AMAQI
21st Jul 2026387 AMAQI
21st Jul 2026338 AMAQI
21st Jul 2026389 AMAQI
21st Jul 20264010 AMAQI
21st Jul 20264012 PMAQI
21st Jul 2026441 PMAQI
21st Jul 2026442 PMAQI
21st Jul 2026443 PMAQI
21st Jul 2026444 PMAQI
21st Jul 2026405 PMAQI
21st Jul 2026806 PMAQI
21st Jul 2026467 PMAQI
21st Jul 2026428 PMAQI
21st Jul 2026429 PMAQI
21st Jul 20264410 PMAQI
21st Jul 20264611 PMAQI
22nd Jul 20264812 AMAQI
22nd Jul 2026481 AMAQI
22nd Jul 2026442 AMAQI
22nd Jul 2026423 AMAQI
22nd Jul 2026424 AMAQI
30°C27/33°C
22nd Jul 2026465 AMAQI
22nd Jul 2026426 AMAQI
22nd Jul 2026467 AMAQI
22nd Jul 2026448 AMAQI
22nd Jul 2026469 AMAQI
22nd Jul 20265010 AMAQI
22nd Jul 20265111 AMAQI
22nd Jul 20264612 PMAQI
22nd Jul 2026531 PMAQI
22nd Jul 2026482 PMAQI
22nd Jul 2026533 PMAQI
22nd Jul 2026514 PMAQI
22nd Jul 2026515 PMAQI
22nd Jul 2026446 PMAQI
22nd Jul 2026537 PMAQI
22nd Jul 2026388 PMAQI
22nd Jul 2026389 PMAQI
22nd Jul 20264410 PMAQI
22nd Jul 20264011 PMAQI
23rd Jul 20264212 AMAQI
23rd Jul 2026421 AMAQI
23rd Jul 2026382 AMAQI
23rd Jul 2026403 AMAQI
23rd Jul 2026424 AMAQI
30°C28/33°C
23rd Jul 2026345 AMAQI
23rd Jul 2026426 AMAQI
23rd Jul 2026427 AMAQI
23rd Jul 2026568 AMAQI
23rd Jul 2026449 AMAQI
23rd Jul 20264510 AMAQI
23rd Jul 20264611 AMAQI
23rd Jul 20265112 PMAQI
23rd Jul 2026401 PMAQI
23rd Jul 2026382 PMAQI
23rd Jul 2026403 PMAQI
23rd Jul 2026424 PMAQI
23rd Jul 2026465 PMAQI
23rd Jul 2026466 PMAQI
23rd Jul 2026497 PMAQI
23rd Jul 2026448 PMAQI
23rd Jul 2026469 PMAQI
23rd Jul 20264410 PMAQI
23rd Jul 20265311 PMAQI
24th Jul 20264112 AMAQI
24th Jul 2026451 AMAQI
24th Jul 2026512 AMAQI
24th Jul 2026553 AMAQI
24th Jul 2026534 AMAQI
30°C28/33°C
24th Jul 2026515 AMAQI
24th Jul 2026426 AMAQI
24th Jul 2026427 AMAQI
24th Jul 2026468 AMAQI
24th Jul 2026519 AMAQI
24th Jul 20265310 AMAQI
24th Jul 20265911 AMAQI
24th Jul 20265312 PMAQI
24th Jul 2026601 PMAQI
24th Jul 2026622 PMAQI
24th Jul 2026643 PMAQI
24th Jul 2026594 PMAQI
24th Jul 2026585 PMAQI
24th Jul 2026586 PMAQI
24th Jul 2026577 PMAQI
24th Jul 2026588 PMAQI
24th Jul 2026589 PMAQI
24th Jul 20265210 PMAQI
24th Jul 20265111 PMAQI
25th Jul 20265012 AMAQI
25th Jul 2026441 AMAQI
25th Jul 2026422 AMAQI
25th Jul 2026443 AMAQI
25th Jul 2026484 AMAQI
31°C29/34°C
25th Jul 2026465 AMAQI
25th Jul 2026486 AMAQI
25th Jul 2026467 AMAQI
25th Jul 2026408 AMAQI
25th Jul 2026469 AMAQI
25th Jul 20264010 AMAQI
25th Jul 20263811 AMAQI
25th Jul 20263112 PMAQI
25th Jul 2026311 PMAQI
25th Jul 2026332 PMAQI
25th Jul 2026293 PMAQI
25th Jul 2026274 PMAQI
25th Jul 2026255 PMAQI
25th Jul 2026236 PMAQI
25th Jul 2026217 PMAQI
25th Jul 2026218 PMAQI
25th Jul 2026259 PMAQI
25th Jul 20262310 PMAQI
25th Jul 20262511 PMAQI
26th Jul 20262112 AMAQI
26th Jul 2026211 AMAQI
26th Jul 2026232 AMAQI
26th Jul 2026313 AMAQI
26th Jul 2026274 AMAQI
28°C25/33°C
26th Jul 2026215 AMAQI
26th Jul 2026216 AMAQI
26th Jul 2026287 AMAQI
26th Jul 2026298 AMAQI
26th Jul 2026229 AMAQI
26th Jul 20262510 AMAQI
26th Jul 20262911 AMAQI
26th Jul 20263612 PMAQI
26th Jul 2026271 PMAQI
26th Jul 2026292 PMAQI
26th Jul 2026313 PMAQI
26th Jul 2026344 PMAQI
26th Jul 2026255 PMAQI
26th Jul 2026296 PMAQI
26th Jul 2026387 PMAQI
26th Jul 2026508 PMAQI
26th Jul 2026589 PMAQI
26th Jul 20264410 PMAQI
26th Jul 20264611 PMAQI
27th Jul 20264412 AMAQI
27th Jul 2026541 AMAQI
27th Jul 2026492 AMAQI
27th Jul 2026293 AMAQI
27th Jul 2026304 AMAQI
27°C26/29°C
27th Jul 2026275 AMAQI
27th Jul 2026256 AMAQI
27th Jul 2026327 AMAQI
27th Jul 2026318 AMAQI
27th Jul 2026319 AMAQI
27th Jul 20263310 AMAQI
27th Jul 20263611 AMAQI
27th Jul 20263412 PMAQI
27th Jul 2026251 PMAQI
27th Jul 2026252 PMAQI
27th Jul 2026213 PMAQI
27th Jul 2026234 PMAQI
27th Jul 2026275 PMAQI
27th Jul 2026236 PMAQI
27th Jul 2026367 PMAQI
27th Jul 2026368 PMAQI
27th Jul 2026279 PMAQI
27th Jul 20262310 PMAQI
27th Jul 20263811 PMAQI
28th Jul 20264412 AMAQI
28th Jul 2026331 AMAQI
28th Jul 2026292 AMAQI
28th Jul 2026253 AMAQI
28th Jul 2026364 AMAQI
29°C27/31°C
28th Jul 2026445 AMAQI
28th Jul 2026346 AMAQI
28th Jul 2026347 AMAQI
28th Jul 2026498 AMAQI
28th Jul 2026409 AMAQI
28th Jul 20263310 AMAQI
28th Jul 20262911 AMAQI
28th Jul 20263212 PMAQI
28th Jul 2026381 PMAQI
28th Jul 2026502 PMAQI
28th Jul 2026603 PMAQI
28th Jul 2026384 PMAQI
28th Jul 2026295 PMAQI
28th Jul 2026296 PMAQI
28th Jul 2026297 PMAQI
28th Jul 2026368 PMAQI
28th Jul 2026389 PMAQI
28th Jul 20263410 PMAQI
28th Jul 20262511 PMAQI
29th Jul 20262712 AMAQI
29th Jul 2026291 AMAQI
29th Jul 2026302 AMAQI
29th Jul 2026303 AMAQI
29th Jul 2026294 AMAQI
29°C27/33°C
29th Jul 2026295 AMAQI
29th Jul 2026336 AMAQI
29th Jul 2026317 AMAQI
29th Jul 2026368 AMAQI
29th Jul 2026389 AMAQI
29th Jul 20264410 AMAQI
29th Jul 20264511 AMAQI
29th Jul 20263612 PMAQI
29th Jul 2026311 PMAQI
29th Jul 2026282 PMAQI
29th Jul 2026403 PMAQI
29th Jul 2026504 PMAQI
29th Jul 2026425 PMAQI
29th Jul 2026346 PMAQI
29th Jul 2026327 PMAQI
29th Jul 2026348 PMAQI
29th Jul 2026319 PMAQI
29th Jul 20263110 PMAQI
29th Jul 20263111 PMAQI
30th Jul 20263112 AMAQI
30th Jul 2026321 AMAQI
30th Jul 2026262 AMAQI
30th Jul 2026263 AMAQI
30th Jul 2026264 AMAQI
29°C27/33°C
30th Jul 2026325 AMAQI
30th Jul 2026336 AMAQI
30th Jul 2026447 AMAQI
30th Jul 2026388 AMAQI
30th Jul 2026339 AMAQI
30th Jul 20264610 AMAQI
30th Jul 20263811 AMAQI
30th Jul 20264012 PMAQI
30th Jul 2026461 PMAQI
30th Jul 2026492 PMAQI
30th Jul 2026313 PMAQI
30th Jul 2026334 PMAQI
30th Jul 2026365 PMAQI
30th Jul 2026386 PMAQI
30th Jul 2026367 PMAQI
30th Jul 2026408 PMAQI
30th Jul 2026409 PMAQI
30th Jul 20264210 PMAQI
30th Jul 20263311 PMAQI
31st Jul 20263312 AMAQI
31st Jul 2026331 AMAQI
31st Jul 2026292 AMAQI
31st Jul 2026333 AMAQI
31st Jul 2026404 AMAQI
29°C27/31°C
31st Jul 2026365 AMAQI
31st Jul 2026296 AMAQI
31st Jul 2026317 AMAQI
31st Jul 2026278 AMAQI
31st Jul 2026429 AMAQI
31st Jul 20264410 AMAQI
31st Jul 20262911 AMAQI
31st Jul 20262512 PMAQI
31st Jul 2026291 PMAQI
31st Jul 2026332 PMAQI
31st Jul 2026333 PMAQI
31st Jul 2026314 PMAQI
31st Jul 2026215 PMAQI
31st Jul 2026236 PMAQI
31st Jul 2026227 PMAQI
31st Jul 2026258 PMAQI
31st Jul 2026239 PMAQI
31st Jul 20262510 PMAQI
31st Jul 20262511 PMAQI
1st Aug 20262412 AMAQI
1st Aug 2026271 AMAQI
1st Aug 2026272 AMAQI
1st Aug 2026253 AMAQI
1st Aug 2026274 AMAQI
30°C27/32°C
1st Aug 2026365 AMAQI
1st Aug 2026506 AMAQI
1st Aug 2026527 AMAQI
1st Aug 2026528 AMAQI
1st Aug 2026389 AMAQI
1st Aug 20265610 AMAQI
1st Aug 20265611 AMAQI
1st Aug 20263812 PMAQI
1st Aug 2026511 PMAQI
1st Aug 2026442 PMAQI
1st Aug 2026283 PMAQI
1st Aug 2026314 PMAQI
1st Aug 2026255 PMAQI
1st Aug 2026326 PMAQI
1st Aug 2026387 PMAQI
1st Aug 2026548 PMAQI
1st Aug 2026479 PMAQI
1st Aug 20263210 PMAQI
1st Aug 20262311 PMAQI
2nd Aug 20262712 AMAQI
2nd Aug 2026311 AMAQI
2nd Aug 2026232 AMAQI
2nd Aug 2026273 AMAQI
2nd Aug 2026294 AMAQI
29°C28/32°C
2nd Aug 2026315 AMAQI
2nd Aug 2026296 AMAQI
2nd Aug 2026277 AMAQI
2nd Aug 2026238 AMAQI
2nd Aug 2026329 AMAQI
2nd Aug 20263410 AMAQI
2nd Aug 20263411 AMAQI
2nd Aug 20262712 PMAQI
2nd Aug 2026231 PMAQI
2nd Aug 2026262 PMAQI
2nd Aug 2026273 PMAQI
2nd Aug 2026234 PMAQI
2nd Aug 2026275 PMAQI
2nd Aug 2026276 PMAQI
2nd Aug 2026307 PMAQI
2nd Aug 2026368 PMAQI
2nd Aug 2026339 PMAQI
2nd Aug 20263310 PMAQI
2nd Aug 20262911 PMAQI
3rd Aug 20262512 AMAQI
3rd Aug 2026251 AMAQI
3rd Aug 2026252 AMAQI
3rd Aug 2026293 AMAQI
3rd Aug 2026274 AMAQI
29°C28/32°C
3rd Aug 2026315 AMAQI
3rd Aug 2026366 AMAQI
3rd Aug 2026277 AMAQI
3rd Aug 2026278 AMAQI
3rd Aug 2026279 AMAQI
3rd Aug 20262310 AMAQI
3rd Aug 20262511 AMAQI
3rd Aug 20262912 PMAQI
3rd Aug 2026251 PMAQI
3rd Aug 2026272 PMAQI
3rd Aug 2026293 PMAQI
3rd Aug 2026404 PMAQI
3rd Aug 2026275 PMAQI
3rd Aug 2026256 PMAQI
3rd Aug 2026257 PMAQI
3rd Aug 2026368 PMAQI
3rd Aug 2026219 PMAQI
3rd Aug 20262110 PMAQI
3rd Aug 20262111 PMAQI
4th Aug 20262112 AMAQI
4th Aug 2026271 AMAQI
4th Aug 2026272 AMAQI
4th Aug 2026293 AMAQI
4th Aug 2026334 AMAQI
31°C28/34°C
4th Aug 2026385 AMAQI
4th Aug 2026406 AMAQI
4th Aug 2026497 AMAQI
4th Aug 2026598 AMAQI
4th Aug 2026569 AMAQI
4th Aug 20265710 AMAQI
4th Aug 20265611 AMAQI
4th Aug 20265312 PMAQI
4th Aug 2026461 PMAQI
4th Aug 2026462 PMAQI
4th Aug 2026383 PMAQI
4th Aug 2026384 PMAQI
4th Aug 2026385 PMAQI
4th Aug 2026406 PMAQI
4th Aug 2026367 PMAQI
4th Aug 2026408 PMAQI
4th Aug 2026369 PMAQI
4th Aug 20263410 PMAQI
4th Aug 20263411 PMAQI
5th Aug 20263112 AMAQI
5th Aug 2026461 AMAQI
5th Aug 2026402 AMAQI
5th Aug 2026293 AMAQI
5th Aug 2026334 AMAQI
30°C28/33°C
5th Aug 2026485 AMAQI
5 AM5th Aug 2026286 AMAQI
5th Aug 2026337 AMAQI
5th Aug 2026518 AMAQI
5th Aug 2026319 AMAQI
5th Aug 20262910 AMAQI
5th Aug 20263111 AMAQI
11 AM5th Aug 20262912 PMAQI
5th Aug 2026291 PMAQI
5th Aug 2026292 PMAQI
5th Aug 2026293 PMAQI
5th Aug 2026274 PMAQI
5th Aug 2026255 PMAQI
5th Aug 2026256 PMAQI
6 PM5th Aug 2026317 PMAQI
5th Aug 2026298 PMAQI
5th Aug 2026339 PMAQI
5th Aug 20263110 PMAQI
5th Aug 20263311 PMAQI
11 PM4 AM
30°C27/32°C
Day time
Avg. Highest Time
7 AM - 12 PM
34AQI
6 hours / Day
180 hours / Month
Avg. Lowest Time
5 AM - 6 AM
32AQI
2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 7 AM to 12 PM (Avg. 34), while the lowest AQI was between 5 AM to 6 AM (Avg. 32).
Night time
Avg. Highest Time
7 PM - 11 PM
34AQI
5 hours / Day
150 hours / Month
Avg. Lowest Time
3 AM
29AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 7 PM to 11 PM (Avg. 34), while the lowest AQI was between 3 AM to 3 AM (Avg. 29).
2026 Days Vs Air Quality
Annan District, Tainan, Taiwan
2026
42%
90
57%
122
0.9%
2
Total number of days with different AQI categories in last 217 days in 2026 (148 days remaining)
Good
90 DaysModerate
122 DaysPoor
2 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 42%
Health Risk Level:
Significant
In 2026, 42% of 217 days were within WHO’s safe air quality limits, and 58% exceeded them. The risk of health issues is Significant, especially for those with existing respiratory or heart conditions.
Annual Air Quality Insights
Annan District, Tainan, Taiwan
AQI levels in 2026
AQI (US)
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 2026
-1th undefined 2026
-1th undefined 2026
-1th undefined 2026
1st January 2026
56AQI (US)
56AQI (US)
2nd January 2026
45AQI (US)
45AQI (US)
3rd January 2026
62AQI (US)
62AQI (US)
4th January 2026
66AQI (US)
66AQI (US)
5th January 2026
84AQI (US)
84AQI (US)
6th January 2026
74AQI (US)
74AQI (US)
7th January 2026
79AQI (US)
79AQI (US)
8th January 2026
81AQI (US)
81AQI (US)
9th January 2026
75AQI (US)
75AQI (US)
10th January 2026
74AQI (US)
74AQI (US)
11th January 2026
67AQI (US)
67AQI (US)
12th January 2026
74AQI (US)
74AQI (US)
13th January 2026
77AQI (US)
77AQI (US)
14th January 2026
86AQI (US)
86AQI (US)
15th January 2026
81AQI (US)
81AQI (US)
16th January 2026
77AQI (US)
77AQI (US)
17th January 2026
89AQI (US)
89AQI (US)
18th January 2026
81AQI (US)
81AQI (US)
19th January 2026
73AQI (US)
73AQI (US)
20th January 2026
59AQI (US)
59AQI (US)
21st January 2026
41AQI (US)
41AQI (US)
22nd January 2026
52AQI (US)
52AQI (US)
23rd January 2026
62AQI (US)
62AQI (US)
24th January 2026
56AQI (US)
56AQI (US)
25th January 2026
65AQI (US)
65AQI (US)
26th January 2026
94AQI (US)
94AQI (US)
27th January 2026
104AQI (US)
104AQI (US)
28th January 2026
60AQI (US)
60AQI (US)
29th January 2026
61AQI (US)
61AQI (US)
30th January 2026
68AQI (US)
68AQI (US)
31st January 2026
85AQI (US)
85AQI (US)
1st February 2026
40AQI (US)
40AQI (US)
2nd February 2026
54AQI (US)
54AQI (US)
3rd February 2026
77AQI (US)
77AQI (US)
4th February 2026
90AQI (US)
90AQI (US)
5th February 2026
88AQI (US)
88AQI (US)
6th February 2026
56AQI (US)
56AQI (US)
7th February 2026
68AQI (US)
68AQI (US)
8th February 2026
71AQI (US)
71AQI (US)
9th February 2026
66AQI (US)
66AQI (US)
10th February 2026
61AQI (US)
61AQI (US)
11th February 2026
81AQI (US)
81AQI (US)
12th February 2026
84AQI (US)
84AQI (US)
13th February 2026
93AQI (US)
93AQI (US)
14th February 2026
101AQI (US)
101AQI (US)
15th February 2026
67AQI (US)
67AQI (US)
16th February 2026
92AQI (US)
92AQI (US)
17th February 2026
66AQI (US)
66AQI (US)
18th February 2026
51AQI (US)
51AQI (US)
19th February 2026
73AQI (US)
73AQI (US)
20th February 2026
82AQI (US)
82AQI (US)
21st February 2026
96AQI (US)
96AQI (US)
22nd February 2026
82AQI (US)
82AQI (US)
23rd February 2026
93AQI (US)
93AQI (US)
24th February 2026
98AQI (US)
98AQI (US)
25th February 2026
70AQI (US)
70AQI (US)
26th February 2026
61AQI (US)
61AQI (US)
27th February 2026
57AQI (US)
57AQI (US)
28th February 2026
71AQI (US)
71AQI (US)
1st March 2026
45AQI (US)
45AQI (US)
2nd March 2026
28AQI (US)
28AQI (US)
3rd March 2026
50AQI (US)
50AQI (US)
4th March 2026
51AQI (US)
51AQI (US)
5th March 2026
76AQI (US)
76AQI (US)
6th March 2026
66AQI (US)
66AQI (US)
7th March 2026
60AQI (US)
60AQI (US)
8th March 2026
65AQI (US)
65AQI (US)
9th March 2026
61AQI (US)
61AQI (US)
10th March 2026
46AQI (US)
46AQI (US)
11th March 2026
60AQI (US)
60AQI (US)
12th March 2026
64AQI (US)
64AQI (US)
13th March 2026
73AQI (US)
73AQI (US)
14th March 2026
69AQI (US)
69AQI (US)
15th March 2026
65AQI (US)
65AQI (US)
16th March 2026
69AQI (US)
69AQI (US)
17th March 2026
85AQI (US)
85AQI (US)
18th March 2026
63AQI (US)
63AQI (US)
19th March 2026
55AQI (US)
55AQI (US)
20th March 2026
74AQI (US)
74AQI (US)
21st March 2026
66AQI (US)
66AQI (US)
22nd March 2026
58AQI (US)
58AQI (US)
23rd March 2026
86AQI (US)
86AQI (US)
24th March 2026
83AQI (US)
83AQI (US)
25th March 2026
84AQI (US)
84AQI (US)
26th March 2026
66AQI (US)
66AQI (US)
27th March 2026
64AQI (US)
64AQI (US)
28th March 2026
70AQI (US)
70AQI (US)
29th March 2026
69AQI (US)
69AQI (US)
30th March 2026
69AQI (US)
69AQI (US)
31st March 2026
54AQI (US)
54AQI (US)
1st April 2026
64AQI (US)
64AQI (US)
2nd April 2026
81AQI (US)
81AQI (US)
3rd April 2026
62AQI (US)
62AQI (US)
4th April 2026
59AQI (US)
59AQI (US)
5th April 2026
53AQI (US)
53AQI (US)
6th April 2026
50AQI (US)
50AQI (US)
7th April 2026
42AQI (US)
42AQI (US)
8th April 2026
64AQI (US)
64AQI (US)
9th April 2026
67AQI (US)
67AQI (US)
10th April 2026
47AQI (US)
47AQI (US)
11th April 2026
60AQI (US)
60AQI (US)
12th April 2026
68AQI (US)
68AQI (US)
13th April 2026
53AQI (US)
53AQI (US)
14th April 2026
40AQI (US)
40AQI (US)
15th April 2026
38AQI (US)
38AQI (US)
16th April 2026
63AQI (US)
63AQI (US)
17th April 2026
18th April 2026
77AQI (US)
77AQI (US)
19th April 2026
72AQI (US)
72AQI (US)
20th April 2026
63AQI (US)
63AQI (US)
21st April 2026
69AQI (US)
69AQI (US)
22nd April 2026
23rd April 2026
65AQI (US)
65AQI (US)
24th April 2026
71AQI (US)
71AQI (US)
25th April 2026
65AQI (US)
65AQI (US)
26th April 2026
62AQI (US)
62AQI (US)
27th April 2026
59AQI (US)
59AQI (US)
28th April 2026
69AQI (US)
69AQI (US)
29th April 2026
51AQI (US)
51AQI (US)
30th April 2026
41AQI (US)
41AQI (US)
1st May 2026
59AQI (US)
59AQI (US)
2nd May 2026
64AQI (US)
64AQI (US)
3rd May 2026
41AQI (US)
41AQI (US)
4th May 2026
57AQI (US)
57AQI (US)
5th May 2026
61AQI (US)
61AQI (US)
6th May 2026
22AQI (US)
22AQI (US)
7th May 2026
38AQI (US)
38AQI (US)
8th May 2026
58AQI (US)
58AQI (US)
9th May 2026
10th May 2026
43AQI (US)
43AQI (US)
11th May 2026
48AQI (US)
48AQI (US)
12th May 2026
41AQI (US)
41AQI (US)
13th May 2026
48AQI (US)
48AQI (US)
14th May 2026
45AQI (US)
45AQI (US)
15th May 2026
36AQI (US)
36AQI (US)
16th May 2026
76AQI (US)
76AQI (US)
17th May 2026
60AQI (US)
60AQI (US)
18th May 2026
52AQI (US)
52AQI (US)
19th May 2026
45AQI (US)
45AQI (US)
20th May 2026
61AQI (US)
61AQI (US)
21st May 2026
67AQI (US)
67AQI (US)
22nd May 2026
73AQI (US)
73AQI (US)
23rd May 2026
68AQI (US)
68AQI (US)
24th May 2026
65AQI (US)
65AQI (US)
25th May 2026
57AQI (US)
57AQI (US)
26th May 2026
42AQI (US)
42AQI (US)
27th May 2026
28AQI (US)
28AQI (US)
28th May 2026
28AQI (US)
28AQI (US)
29th May 2026
29AQI (US)
29AQI (US)
30th May 2026
34AQI (US)
34AQI (US)
31st May 2026
62AQI (US)
62AQI (US)
1st June 2026
66AQI (US)
66AQI (US)
2nd June 2026
59AQI (US)
59AQI (US)
3rd June 2026
41AQI (US)
41AQI (US)
4th June 2026
13AQI (US)
13AQI (US)
5th June 2026
19AQI (US)
19AQI (US)
6th June 2026
41AQI (US)
41AQI (US)
7th June 2026
32AQI (US)
32AQI (US)
8th June 2026
17AQI (US)
17AQI (US)
9th June 2026
19AQI (US)
19AQI (US)
10th June 2026
25AQI (US)
25AQI (US)
11th June 2026
48AQI (US)
48AQI (US)
12th June 2026
16AQI (US)
16AQI (US)
13th June 2026
22AQI (US)
22AQI (US)
14th June 2026
24AQI (US)
24AQI (US)
15th June 2026
22AQI (US)
22AQI (US)
16th June 2026
26AQI (US)
26AQI (US)
17th June 2026
25AQI (US)
25AQI (US)
18th June 2026
27AQI (US)
27AQI (US)
19th June 2026
26AQI (US)
26AQI (US)
20th June 2026
25AQI (US)
25AQI (US)
21st June 2026
23AQI (US)
23AQI (US)
22nd June 2026
21AQI (US)
21AQI (US)
23rd June 2026
23AQI (US)
23AQI (US)
24th June 2026
24AQI (US)
24AQI (US)
25th June 2026
33AQI (US)
33AQI (US)
26th June 2026
26AQI (US)
26AQI (US)
27th June 2026
26AQI (US)
26AQI (US)
28th June 2026
28AQI (US)
28AQI (US)
29th June 2026
26AQI (US)
26AQI (US)
30th June 2026
42AQI (US)
42AQI (US)
1st July 2026
44AQI (US)
44AQI (US)
2nd July 2026
32AQI (US)
32AQI (US)
3rd July 2026
41AQI (US)
41AQI (US)
4th July 2026
30AQI (US)
30AQI (US)
5th July 2026
20AQI (US)
20AQI (US)
6th July 2026
17AQI (US)
17AQI (US)
7th July 2026
19AQI (US)
19AQI (US)
8th July 2026
21AQI (US)
21AQI (US)
9th July 2026
24AQI (US)
24AQI (US)
10th July 2026
38AQI (US)
38AQI (US)
11th July 2026
57AQI (US)
57AQI (US)
12th July 2026
34AQI (US)
34AQI (US)
13th July 2026
31AQI (US)
31AQI (US)
14th July 2026
28AQI (US)
28AQI (US)
15th July 2026
28AQI (US)
28AQI (US)
16th July 2026
26AQI (US)
26AQI (US)
17th July 2026
25AQI (US)
25AQI (US)
18th July 2026
22AQI (US)
22AQI (US)
19th July 2026
23AQI (US)
23AQI (US)
20th July 2026
25AQI (US)
25AQI (US)
21st July 2026
41AQI (US)
41AQI (US)
22nd July 2026
46AQI (US)
46AQI (US)
23rd July 2026
44AQI (US)
44AQI (US)
24th July 2026
53AQI (US)
53AQI (US)
25th July 2026
35AQI (US)
35AQI (US)
26th July 2026
31AQI (US)
31AQI (US)
27th July 2026
32AQI (US)
32AQI (US)
28th July 2026
36AQI (US)
36AQI (US)
29th July 2026
34AQI (US)
34AQI (US)
30th July 2026
36AQI (US)
36AQI (US)
31st July 2026
30AQI (US)
30AQI (US)
1st August 2026
38AQI (US)
38AQI (US)
2nd August 2026
29AQI (US)
29AQI (US)
3rd August 2026
27AQI (US)
27AQI (US)
4th August 2026
40AQI (US)
40AQI (US)
5th August 2026
32AQI (US)
32AQI (US)
6th August 2026
7th August 2026
8th August 2026
9th August 2026
10th August 2026
11th August 2026
12th August 2026
13th August 2026
14th August 2026
15th August 2026
16th August 2026
17th August 2026
18th August 2026
19th August 2026
20th August 2026
21st August 2026
22nd August 2026
23rd August 2026
24th August 2026
25th August 2026
26th August 2026
27th August 2026
28th August 2026
29th August 2026
30th August 2026
31st August 2026
1st September 2026
2nd September 2026
3rd September 2026
4th September 2026
5th September 2026
6th September 2026
7th September 2026
8th September 2026
9th September 2026
10th September 2026
11th September 2026
12th September 2026
13th September 2026
14th September 2026
15th September 2026
16th September 2026
17th September 2026
18th September 2026
19th September 2026
20th September 2026
21st September 2026
22nd September 2026
23rd September 2026
24th September 2026
25th September 2026
26th September 2026
27th September 2026
28th September 2026
29th September 2026
30th September 2026
1st October 2026
2nd October 2026
3rd October 2026
4th October 2026
5th October 2026
6th October 2026
7th October 2026
8th October 2026
9th October 2026
10th October 2026
11th October 2026
12th October 2026
13th October 2026
14th October 2026
15th October 2026
16th October 2026
17th October 2026
18th October 2026
19th October 2026
20th October 2026
21st October 2026
22nd October 2026
23rd October 2026
24th October 2026
25th October 2026
26th October 2026
27th October 2026
28th October 2026
29th October 2026
30th October 2026
31st October 2026
1st November 2026
2nd November 2026
3rd November 2026
4th November 2026
5th November 2026
6th November 2026
7th November 2026
8th November 2026
9th November 2026
10th November 2026
11th November 2026
12th November 2026
13th November 2026
14th November 2026
15th November 2026
16th November 2026
17th November 2026
18th November 2026
19th November 2026
20th November 2026
21st November 2026
22nd November 2026
23rd November 2026
24th November 2026
25th November 2026
26th November 2026
27th November 2026
28th November 2026
29th November 2026
30th November 2026
1st December 2026
2nd December 2026
3rd December 2026
4th December 2026
5th December 2026
6th December 2026
7th December 2026
8th December 2026
9th December 2026
10th December 2026
11th December 2026
12th December 2026
13th December 2026
14th December 2026
15th December 2026
16th December 2026
17th December 2026
18th December 2026
19th December 2026
20th December 2026
21st December 2026
22nd December 2026
23rd December 2026
24th December 2026
25th December 2026
26th December 2026
27th December 2026
28th December 2026
29th December 2026
30th December 2026
31st December 2026
71AQI (US)
75AQI (US)
64AQI (US)
60AQI (US)
50AQI (US)
29AQI (US)
32AQI (US)
33AQI (US)
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202654AQI (US)
2
28
1
1
26
1
4
27
6
22
15
15
28
2
29
2
5
90
122
2
Highest AQI (US) recorded in
February75AQI (US)
Lowest AQI (US) recorded in
June29AQI (US)
202558AQI (US)
29
2
27
1
2
29
2
28
14
17
30
31
29
2
22
8
4
27
2
28
29
2
136
224
5
Highest AQI (US) recorded in
January76AQI (US)
Lowest AQI (US) recorded in
June32AQI (US)
202461AQI (US)
2
16
13
3
23
3
26
5
3
27
6
24
1
29
31
28
3
16
14
7
24
2
27
1
31
127
215
23
Highest AQI (US) recorded in
January92AQI (US)
Lowest AQI (US) recorded in
July31AQI (US)
202364AQI (US)
1
24
6
19
9
27
4
1
27
2
8
23
28
2
29
2
29
2
18
12
3
25
3
1
27
1
1
24
6
119
214
31
Highest AQI (US) recorded in
February88AQI (US)
Lowest AQI (US) recorded in
July30AQI (US)
202259AQI (US)
2
5
14
2
1
22
8
7
22
1
16
15
28
2
23
1
5
23
6
25
3
23
4
7
24
101
173
15
Highest AQI (US) recorded in
March85AQI (US)
Lowest AQI (US) recorded in
July29AQI (US)
202165AQI (US)
17
12
11
16
1
15
16
30
22
9
28
2
30
1
28
3
16
14
6
25
2
27
1
2
26
3
134
180
48
1
Highest AQI (US) recorded in
February106AQI (US)
Lowest AQI (US) recorded in
June35AQI (US)
202058AQI (US)
1
11
1
2
19
14
4
29
1
29
2
29
2
5
25
31
1
29
2
25
4
112
149
5
Highest AQI (US) recorded in
March80AQI (US)
Lowest AQI (US) recorded in
June30AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Most Polluted Year Recorded
2021(Avg.)
65AQI (US)Least Polluted Year Recorded
2026(Avg.)
54AQI (US)Annan District's annual 2026 AQI (US) (54) shows an average percentage change of -11.04% (improved AQI (US)) compared to previous years: 2020 (58), 2021 (65), 2022 (59), 2023 (64), 2024 (61), 2025 (58).
