Shiromachi, Tsukawaki, Oita, Japan 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
Shiromachi, Tsukawaki, Oita, Japan
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
4th Aug 2024
63AQILowest AQI recorded on
3rd Aug 2023
16AQISame Day Analysis (4th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 44 of Good air quality, showing improvement over 2024 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 4th Aug - 5th Aug 2025
Shiromachi, Tsukawaki, Oita, Japan
AQI
Day
Night
.
5 AM4th Aug 2025
7 PM
4 AM5th Aug 2025
Day time
Avg. Highest Time
6PM4th Aug
56AQI
Avg. Lowest Time
12PM4th Aug
41AQI
Night time
Avg. Highest Time
9PM4th Aug
54AQI
Avg. Lowest Time
3AM5th Aug
44AQI
In the last 24 hours,
Shiromachi's AQI reached its highest point of 56 at 6 PM during the Day, while the lowest point, 41, was recorded at 12 PM during the Day between 4th Aug and 5th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Shiromachi, Tsukawaki, Oita, Japan
JulAug
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 Jul 2025765 AMAQI
6th Jul 2025746 AMAQI
6th Jul 2025747 AMAQI
6th Jul 2025758 AMAQI
6th Jul 2025589 AMAQI
6th Jul 20254010 AMAQI
6th Jul 20253711 AMAQI
6th Jul 20254012 PMAQI
6th Jul 2025521 PMAQI
6th Jul 2025512 PMAQI
6th Jul 2025443 PMAQI
6th Jul 2025434 PMAQI
6th Jul 2025455 PMAQI
6th Jul 2025446 PMAQI
6th Jul 2025467 PMAQI
6th Jul 2025558 PMAQI
6th Jul 2025639 PMAQI
6th Jul 20256210 PMAQI
6th Jul 20256211 PMAQI
7th Jul 20256312 AMAQI
7th Jul 2025641 AMAQI
7th Jul 2025732 AMAQI
7th Jul 2025713 AMAQI
7th Jul 2025704 AMAQI
27°C23/34°C
7th Jul 2025685 AMAQI
7th Jul 2025686 AMAQI
7th Jul 2025707 AMAQI
7th Jul 2025718 AMAQI
7th Jul 2025409 AMAQI
7th Jul 20253210 AMAQI
7th Jul 20253811 AMAQI
7th Jul 20254012 PMAQI
7th Jul 2025421 PMAQI
7th Jul 2025512 PMAQI
7th Jul 2025523 PMAQI
7th Jul 2025534 PMAQI
7th Jul 2025545 PMAQI
7th Jul 2025576 PMAQI
7th Jul 2025567 PMAQI
7th Jul 2025608 PMAQI
7th Jul 2025629 PMAQI
7th Jul 20256210 PMAQI
7th Jul 20255811 PMAQI
8th Jul 20255812 AMAQI
8th Jul 2025611 AMAQI
8th Jul 2025682 AMAQI
8th Jul 2025663 AMAQI
8th Jul 2025654 AMAQI
28°C22/35°C
8th Jul 2025645 AMAQI
8th Jul 2025646 AMAQI
8th Jul 2025637 AMAQI
8th Jul 2025638 AMAQI
8th Jul 2025599 AMAQI
8th Jul 20255710 AMAQI
8th Jul 20255911 AMAQI
8th Jul 20256012 PMAQI
8th Jul 2025601 PMAQI
8th Jul 2025642 PMAQI
8th Jul 2025673 PMAQI
8th Jul 2025684 PMAQI
8th Jul 2025725 PMAQI
8th Jul 2025686 PMAQI
8th Jul 2025607 PMAQI
8th Jul 2025608 PMAQI
8th Jul 2025649 PMAQI
8th Jul 20256210 PMAQI
8th Jul 20256411 PMAQI
9th Jul 20256412 AMAQI
9th Jul 2025641 AMAQI
9th Jul 2025642 AMAQI
9th Jul 2025643 AMAQI
9th Jul 2025644 AMAQI
28°C23/36°C
9th Jul 2025635 AMAQI
9th Jul 2025636 AMAQI
9th Jul 2025637 AMAQI
9th Jul 2025638 AMAQI
9th Jul 2025699 AMAQI
9th Jul 20257310 AMAQI
9th Jul 20257811 AMAQI
9th Jul 20258612 PMAQI
9th Jul 2025861 PMAQI
9th Jul 2025802 PMAQI
9th Jul 2025863 PMAQI
9th Jul 2025924 PMAQI
9th Jul 2025875 PMAQI
9th Jul 2025876 PMAQI
9th Jul 2025867 PMAQI
9th Jul 2025818 PMAQI
9th Jul 2025679 PMAQI
9th Jul 20256510 PMAQI
9th Jul 20256611 PMAQI
10th Jul 20256512 AMAQI
10th Jul 2025641 AMAQI
10th Jul 2025642 AMAQI
10th Jul 2025633 AMAQI
10th Jul 2025654 AMAQI
28°C23/35°C
10th Jul 2025675 AMAQI
10th Jul 2025666 AMAQI
10th Jul 2025667 AMAQI
10th Jul 2025668 AMAQI
10th Jul 2025589 AMAQI
10th Jul 20255810 AMAQI
10th Jul 20256411 AMAQI
10th Jul 20257212 PMAQI
10th Jul 2025741 PMAQI
10th Jul 2025682 PMAQI
10th Jul 2025623 PMAQI
10th Jul 2025604 PMAQI
10th Jul 2025605 PMAQI
10th Jul 2025586 PMAQI
10th Jul 2025567 PMAQI
10th Jul 2025588 PMAQI
10th Jul 2025629 PMAQI
10th Jul 20256110 PMAQI
10th Jul 20256111 PMAQI
11th Jul 20256212 AMAQI
11th Jul 2025621 AMAQI
11th Jul 2025642 AMAQI
11th Jul 2025643 AMAQI
11th Jul 2025644 AMAQI
27°C22/34°C
11th Jul 2025655 AMAQI
11th Jul 2025646 AMAQI
11th Jul 2025657 AMAQI
11th Jul 2025658 AMAQI
11th Jul 2025379 AMAQI
11th Jul 20252510 AMAQI
11th Jul 20252211 AMAQI
11th Jul 20251912 PMAQI
11th Jul 2025281 PMAQI
11th Jul 2025282 PMAQI
11th Jul 2025283 PMAQI
11th Jul 2025284 PMAQI
11th Jul 2025275 PMAQI
11th Jul 2025296 PMAQI
11th Jul 2025297 PMAQI
11th Jul 2025408 PMAQI
11th Jul 2025529 PMAQI
11th Jul 20255410 PMAQI
11th Jul 20255411 PMAQI
12th Jul 20255212 AMAQI
12th Jul 2025551 AMAQI
12th Jul 2025632 AMAQI
12th Jul 2025643 AMAQI
12th Jul 2025614 AMAQI
27°C24/32°C
12th Jul 2025585 AMAQI
12th Jul 2025586 AMAQI
12th Jul 2025587 AMAQI
12th Jul 2025588 AMAQI
12th Jul 2025299 AMAQI
12th Jul 20252010 AMAQI
12th Jul 20252411 AMAQI
12th Jul 20252312 PMAQI
12th Jul 2025281 PMAQI
12th Jul 2025322 PMAQI
12th Jul 2025343 PMAQI
12th Jul 2025394 PMAQI
12th Jul 2025495 PMAQI
12th Jul 2025476 PMAQI
12th Jul 2025447 PMAQI
12th Jul 2025428 PMAQI
12th Jul 2025509 PMAQI
12th Jul 20254810 PMAQI
12th Jul 20254911 PMAQI
13th Jul 20254812 AMAQI
13th Jul 2025521 AMAQI
13th Jul 2025602 AMAQI
13th Jul 2025593 AMAQI
13th Jul 2025574 AMAQI
27°C23/34°C
13th Jul 2025565 AMAQI
13th Jul 2025566 AMAQI
13th Jul 2025567 AMAQI
13th Jul 2025568 AMAQI
13th Jul 2025389 AMAQI
13th Jul 20251910 AMAQI
13th Jul 20252011 AMAQI
13th Jul 20252212 PMAQI
13th Jul 2025301 PMAQI
13th Jul 2025242 PMAQI
13th Jul 2025263 PMAQI
13th Jul 2025304 PMAQI
13th Jul 2025355 PMAQI
13th Jul 2025296 PMAQI
13th Jul 2025327 PMAQI
13th Jul 2025348 PMAQI
13th Jul 2025439 PMAQI
13th Jul 20254210 PMAQI
13th Jul 20254311 PMAQI
14th Jul 20254412 AMAQI
14th Jul 2025481 AMAQI
14th Jul 2025552 AMAQI
14th Jul 2025553 AMAQI
14th Jul 2025544 AMAQI
27°C23/33°C
14th Jul 2025535 AMAQI
14th Jul 2025506 AMAQI
14th Jul 2025527 AMAQI
14th Jul 2025528 AMAQI
14th Jul 2025309 AMAQI
14th Jul 20252910 AMAQI
14th Jul 20252211 AMAQI
14th Jul 20251912 PMAQI
14th Jul 2025221 PMAQI
14th Jul 2025222 PMAQI
14th Jul 2025223 PMAQI
14th Jul 2025264 PMAQI
14th Jul 2025235 PMAQI
14th Jul 2025236 PMAQI
14th Jul 2025267 PMAQI
14th Jul 2025348 PMAQI
14th Jul 2025479 PMAQI
14th Jul 20254910 PMAQI
14th Jul 20254711 PMAQI
15th Jul 20254812 AMAQI
15th Jul 2025501 AMAQI
15th Jul 2025522 AMAQI
15th Jul 2025533 AMAQI
15th Jul 2025524 AMAQI
23°C21/26°C
15th Jul 2025505 AMAQI
15th Jul 2025506 AMAQI
15th Jul 2025517 AMAQI
15th Jul 2025508 AMAQI
15th Jul 2025509 AMAQI
15th Jul 20255210 AMAQI
15th Jul 20255111 AMAQI
15th Jul 20254612 PMAQI
15th Jul 2025431 PMAQI
15th Jul 2025412 PMAQI
15th Jul 2025433 PMAQI
15th Jul 2025434 PMAQI
15th Jul 2025445 PMAQI
15th Jul 2025446 PMAQI
15th Jul 2025437 PMAQI
15th Jul 2025488 PMAQI
15th Jul 2025509 PMAQI
15th Jul 20255110 PMAQI
15th Jul 20255211 PMAQI
16th Jul 20255112 AMAQI
16th Jul 2025521 AMAQI
16th Jul 2025522 AMAQI
16th Jul 2025523 AMAQI
16th Jul 2025524 AMAQI
24°C20/29°C
16th Jul 2025515 AMAQI
16th Jul 2025516 AMAQI
16th Jul 2025527 AMAQI
16th Jul 2025528 AMAQI
16th Jul 2025519 AMAQI
16th Jul 20255210 AMAQI
16th Jul 20255411 AMAQI
16th Jul 20255412 PMAQI
16th Jul 2025571 PMAQI
16th Jul 2025632 PMAQI
16th Jul 2025693 PMAQI
16th Jul 2025714 PMAQI
16th Jul 2025815 PMAQI
16th Jul 2025866 PMAQI
16th Jul 2025917 PMAQI
16th Jul 2025748 PMAQI
16th Jul 2025619 PMAQI
16th Jul 20255610 PMAQI
16th Jul 20255211 PMAQI
17th Jul 20255112 AMAQI
17th Jul 2025501 AMAQI
17th Jul 2025522 AMAQI
17th Jul 2025523 AMAQI
17th Jul 2025524 AMAQI
25°C21/31°C
17th Jul 2025525 AMAQI
17th Jul 2025526 AMAQI
17th Jul 2025537 AMAQI
17th Jul 2025528 AMAQI
17th Jul 2025529 AMAQI
17th Jul 20255310 AMAQI
17th Jul 20255311 AMAQI
17th Jul 20255712 PMAQI
17th Jul 2025591 PMAQI
17th Jul 2025642 PMAQI
17th Jul 2025653 PMAQI
17th Jul 2025674 PMAQI
17th Jul 2025685 PMAQI
17th Jul 2025726 PMAQI
17th Jul 2025727 PMAQI
17th Jul 2025668 PMAQI
17th Jul 2025629 PMAQI
17th Jul 20256110 PMAQI
17th Jul 20256311 PMAQI
18th Jul 20256212 AMAQI
18th Jul 2025601 AMAQI
18th Jul 2025522 AMAQI
18th Jul 2025523 AMAQI
18th Jul 2025524 AMAQI
27°C22/34°C
18th Jul 2025535 AMAQI
18th Jul 2025536 AMAQI
18th Jul 2025537 AMAQI
18th Jul 2025538 AMAQI
18th Jul 2025249 AMAQI
18th Jul 20251710 AMAQI
18th Jul 20251811 AMAQI
18th Jul 20251612 PMAQI
18th Jul 2025211 PMAQI
18th Jul 2025192 PMAQI
18th Jul 2025193 PMAQI
18th Jul 2025204 PMAQI
18th Jul 2025255 PMAQI
18th Jul 2025216 PMAQI
18th Jul 2025247 PMAQI
18th Jul 2025308 PMAQI
18th Jul 2025409 PMAQI
18th Jul 20254010 PMAQI
18th Jul 20253811 PMAQI
19th Jul 20253812 AMAQI
19th Jul 2025431 AMAQI
19th Jul 2025532 AMAQI
19th Jul 2025543 AMAQI
19th Jul 2025524 AMAQI
23°C22/25°C
19th Jul 2025505 AMAQI
19th Jul 2025506 AMAQI
19th Jul 2025507 AMAQI
19th Jul 2025508 AMAQI
19th Jul 2025269 AMAQI
19th Jul 20251810 AMAQI
19th Jul 20252011 AMAQI
19th Jul 20251812 PMAQI
19th Jul 2025211 PMAQI
19th Jul 2025232 PMAQI
19th Jul 2025243 PMAQI
19th Jul 2025224 PMAQI
19th Jul 2025255 PMAQI
19th Jul 2025286 PMAQI
19th Jul 2025327 PMAQI
19th Jul 2025358 PMAQI
19th Jul 2025409 PMAQI
19th Jul 20253910 PMAQI
19th Jul 20253811 PMAQI
20th Jul 20253612 AMAQI
20th Jul 2025401 AMAQI
20th Jul 2025492 AMAQI
20th Jul 2025503 AMAQI
20th Jul 2025474 AMAQI
25°C21/32°C
20th Jul 2025445 AMAQI
20th Jul 2025446 AMAQI
20th Jul 2025447 AMAQI
20th Jul 2025448 AMAQI
20th Jul 2025309 AMAQI
20th Jul 20252010 AMAQI
20th Jul 20251911 AMAQI
20th Jul 20251712 PMAQI
20th Jul 2025191 PMAQI
20th Jul 2025192 PMAQI
20th Jul 2025203 PMAQI
20th Jul 2025204 PMAQI
20th Jul 2025165 PMAQI
20th Jul 2025266 PMAQI
20th Jul 2025217 PMAQI
20th Jul 2025258 PMAQI
20th Jul 2025349 PMAQI
20th Jul 20253310 PMAQI
20th Jul 20253211 PMAQI
21st Jul 20253012 AMAQI
21st Jul 2025361 AMAQI
21st Jul 2025442 AMAQI
21st Jul 2025443 AMAQI
21st Jul 2025424 AMAQI
27°C21/34°C
21st Jul 2025395 AMAQI
21st Jul 2025396 AMAQI
21st Jul 2025397 AMAQI
21st Jul 2025388 AMAQI
21st Jul 2025229 AMAQI
21st Jul 20251610 AMAQI
21st Jul 20251711 AMAQI
21st Jul 20251912 PMAQI
21st Jul 2025221 PMAQI
21st Jul 2025252 PMAQI
21st Jul 2025223 PMAQI
21st Jul 2025344 PMAQI
21st Jul 2025405 PMAQI
21st Jul 2025406 PMAQI
21st Jul 2025357 PMAQI
21st Jul 2025318 PMAQI
21st Jul 2025349 PMAQI
21st Jul 20253410 PMAQI
21st Jul 20253411 PMAQI
22nd Jul 20253412 AMAQI
22nd Jul 2025341 AMAQI
22nd Jul 2025392 AMAQI
22nd Jul 2025393 AMAQI
22nd Jul 2025374 AMAQI
27°C23/34°C
22nd Jul 2025355 AMAQI
22nd Jul 2025356 AMAQI
22nd Jul 2025367 AMAQI
22nd Jul 2025368 AMAQI
22nd Jul 2025259 AMAQI
22nd Jul 20252610 AMAQI
22nd Jul 20254011 AMAQI
22nd Jul 20255012 PMAQI
22nd Jul 2025461 PMAQI
22nd Jul 2025362 PMAQI
22nd Jul 2025453 PMAQI
22nd Jul 2025494 PMAQI
22nd Jul 2025505 PMAQI
22nd Jul 2025426 PMAQI
22nd Jul 2025457 PMAQI
22nd Jul 2025478 PMAQI
22nd Jul 2025419 PMAQI
22nd Jul 20253710 PMAQI
22nd Jul 20253611 PMAQI
23rd Jul 20253312 AMAQI
23rd Jul 2025331 AMAQI
23rd Jul 2025362 AMAQI
23rd Jul 2025363 AMAQI
23rd Jul 2025374 AMAQI
28°C22/34°C
23rd Jul 2025375 AMAQI
23rd Jul 2025376 AMAQI
23rd Jul 2025367 AMAQI
23rd Jul 2025368 AMAQI
23rd Jul 2025289 AMAQI
23rd Jul 20253010 AMAQI
23rd Jul 20253811 AMAQI
23rd Jul 20253812 PMAQI
23rd Jul 2025351 PMAQI
23rd Jul 2025342 PMAQI
23rd Jul 2025313 PMAQI
23rd Jul 2025294 PMAQI
23rd Jul 2025355 PMAQI
23rd Jul 2025356 PMAQI
23rd Jul 2025367 PMAQI
23rd Jul 2025338 PMAQI
23rd Jul 2025349 PMAQI
23rd Jul 20253710 PMAQI
23rd Jul 20253411 PMAQI
24th Jul 20253512 AMAQI
24th Jul 2025341 AMAQI
24th Jul 2025362 AMAQI
24th Jul 2025363 AMAQI
24th Jul 2025364 AMAQI
28°C22/35°C
24th Jul 2025365 AMAQI
24th Jul 2025356 AMAQI
24th Jul 2025357 AMAQI
24th Jul 2025368 AMAQI
24th Jul 2025229 AMAQI
24th Jul 20252510 AMAQI
24th Jul 20252211 AMAQI
24th Jul 20252012 PMAQI
24th Jul 2025181 PMAQI
24th Jul 2025212 PMAQI
24th Jul 2025233 PMAQI
24th Jul 2025214 PMAQI
24th Jul 2025215 PMAQI
24th Jul 2025206 PMAQI
24th Jul 2025217 PMAQI
24th Jul 2025268 PMAQI
24th Jul 2025299 PMAQI
24th Jul 20253010 PMAQI
24th Jul 20252611 PMAQI
25th Jul 20252612 AMAQI
25th Jul 2025281 AMAQI
25th Jul 2025362 AMAQI
25th Jul 2025363 AMAQI
25th Jul 2025344 AMAQI
28°C22/35°C
25th Jul 2025345 AMAQI
25th Jul 2025326 AMAQI
25th Jul 2025327 AMAQI
25th Jul 2025328 AMAQI
25th Jul 2025189 AMAQI
25th Jul 20251510 AMAQI
25th Jul 20251511 AMAQI
25th Jul 20251712 PMAQI
25th Jul 2025181 PMAQI
25th Jul 2025212 PMAQI
25th Jul 2025233 PMAQI
25th Jul 2025204 PMAQI
25th Jul 2025195 PMAQI
25th Jul 2025166 PMAQI
25th Jul 2025187 PMAQI
25th Jul 2025218 PMAQI
25th Jul 2025249 PMAQI
25th Jul 20252810 PMAQI
25th Jul 20252511 PMAQI
26th Jul 20252412 AMAQI
26th Jul 2025281 AMAQI
26th Jul 2025332 AMAQI
26th Jul 2025323 AMAQI
26th Jul 2025304 AMAQI
27°C22/34°C
26th Jul 2025295 AMAQI
26th Jul 2025296 AMAQI
26th Jul 2025297 AMAQI
26th Jul 2025308 AMAQI
26th Jul 2025189 AMAQI
26th Jul 20251310 AMAQI
26th Jul 20251411 AMAQI
26th Jul 20251612 PMAQI
26th Jul 2025161 PMAQI
26th Jul 2025162 PMAQI
26th Jul 2025183 PMAQI
26th Jul 2025204 PMAQI
26th Jul 2025195 PMAQI
26th Jul 2025206 PMAQI
26th Jul 2025177 PMAQI
26th Jul 2025188 PMAQI
26th Jul 2025249 PMAQI
26th Jul 20252410 PMAQI
26th Jul 20252311 PMAQI
27th Jul 20252312 AMAQI
27th Jul 2025241 AMAQI
27th Jul 2025242 AMAQI
27th Jul 2025293 AMAQI
27th Jul 2025284 AMAQI
27°C23/33°C
27th Jul 2025275 AMAQI
27th Jul 2025276 AMAQI
27th Jul 2025277 AMAQI
27th Jul 2025278 AMAQI
27th Jul 2025209 AMAQI
27th Jul 20251510 AMAQI
27th Jul 20251511 AMAQI
27th Jul 20251612 PMAQI
27th Jul 2025171 PMAQI
27th Jul 2025172 PMAQI
27th Jul 2025183 PMAQI
27th Jul 2025184 PMAQI
27th Jul 2025215 PMAQI
27th Jul 2025196 PMAQI
27th Jul 2025177 PMAQI
27th Jul 2025228 PMAQI
27th Jul 2025259 PMAQI
27th Jul 20252510 PMAQI
27th Jul 20252311 PMAQI
28th Jul 20252212 AMAQI
28th Jul 2025251 AMAQI
28th Jul 2025282 AMAQI
28th Jul 2025283 AMAQI
28th Jul 2025274 AMAQI
27°C22/33°C
28th Jul 2025265 AMAQI
28th Jul 2025256 AMAQI
28th Jul 2025267 AMAQI
28th Jul 2025258 AMAQI
28th Jul 2025169 AMAQI
28th Jul 20251410 AMAQI
28th Jul 20251611 AMAQI
28th Jul 20251812 PMAQI
28th Jul 2025221 PMAQI
28th Jul 2025232 PMAQI
28th Jul 2025213 PMAQI
28th Jul 2025294 PMAQI
28th Jul 2025265 PMAQI
28th Jul 2025266 PMAQI
28th Jul 2025247 PMAQI
28th Jul 2025268 PMAQI
28th Jul 2025269 PMAQI
28th Jul 20252610 PMAQI
28th Jul 20252611 PMAQI
29th Jul 20252412 AMAQI
29th Jul 2025231 AMAQI
29th Jul 2025262 AMAQI
29th Jul 2025263 AMAQI
29th Jul 2025264 AMAQI
27°C21/35°C
29th Jul 2025255 AMAQI
29th Jul 2025256 AMAQI
29th Jul 2025257 AMAQI
29th Jul 2025258 AMAQI
29th Jul 2025199 AMAQI
29th Jul 20251710 AMAQI
29th Jul 20251711 AMAQI
29th Jul 20251712 PMAQI
29th Jul 2025181 PMAQI
29th Jul 2025182 PMAQI
29th Jul 2025223 PMAQI
29th Jul 2025274 PMAQI
29th Jul 2025355 PMAQI
29th Jul 2025346 PMAQI
29th Jul 2025347 PMAQI
29th Jul 2025298 PMAQI
29th Jul 2025309 PMAQI
29th Jul 20252910 PMAQI
29th Jul 20252511 PMAQI
30th Jul 20252412 AMAQI
30th Jul 2025261 AMAQI
30th Jul 2025262 AMAQI
30th Jul 2025263 AMAQI
30th Jul 2025254 AMAQI
28°C21/37°C
30th Jul 2025245 AMAQI
30th Jul 2025246 AMAQI
30th Jul 2025247 AMAQI
30th Jul 2025248 AMAQI
30th Jul 2025249 AMAQI
30th Jul 20252910 AMAQI
30th Jul 20253211 AMAQI
30th Jul 20252612 PMAQI
30th Jul 2025241 PMAQI
30th Jul 2025212 PMAQI
30th Jul 2025323 PMAQI
30th Jul 2025244 PMAQI
30th Jul 2025255 PMAQI
30th Jul 2025256 PMAQI
30th Jul 2025247 PMAQI
30th Jul 2025218 PMAQI
30th Jul 2025249 PMAQI
30th Jul 20252610 PMAQI
30th Jul 20252411 PMAQI
31st Jul 20252412 AMAQI
31st Jul 2025221 AMAQI
31st Jul 2025262 AMAQI
31st Jul 2025263 AMAQI
31st Jul 2025244 AMAQI
28°C22/36°C
31st Jul 2025235 AMAQI
31st Jul 2025236 AMAQI
31st Jul 2025237 AMAQI
31st Jul 2025238 AMAQI
31st Jul 2025239 AMAQI
31st Jul 20252310 AMAQI
31st Jul 20253411 AMAQI
31st Jul 20253112 PMAQI
31st Jul 2025231 PMAQI
31st Jul 2025262 PMAQI
31st Jul 2025303 PMAQI
31st Jul 2025294 PMAQI
31st Jul 2025265 PMAQI
31st Jul 2025286 PMAQI
31st Jul 2025357 PMAQI
31st Jul 2025378 PMAQI
31st Jul 2025429 PMAQI
31st Jul 20254410 PMAQI
31st Jul 20254011 PMAQI
1st Aug 20253512 AMAQI
1st Aug 2025321 AMAQI
1st Aug 2025322 AMAQI
1st Aug 2025303 AMAQI
1st Aug 2025294 AMAQI
28°C21/37°C
1st Aug 2025305 AMAQI
1st Aug 2025306 AMAQI
1st Aug 2025317 AMAQI
1st Aug 2025318 AMAQI
1st Aug 2025499 AMAQI
1st Aug 20255210 AMAQI
1st Aug 20255111 AMAQI
1st Aug 20255512 PMAQI
1st Aug 2025641 PMAQI
1st Aug 2025462 PMAQI
1st Aug 2025503 PMAQI
1st Aug 2025584 PMAQI
1st Aug 2025545 PMAQI
1st Aug 2025576 PMAQI
1st Aug 2025567 PMAQI
1st Aug 2025518 PMAQI
1st Aug 2025489 PMAQI
1st Aug 20254510 PMAQI
1st Aug 20254311 PMAQI
2nd Aug 20254012 AMAQI
2nd Aug 2025381 AMAQI
2nd Aug 2025362 AMAQI
2nd Aug 2025303 AMAQI
2nd Aug 2025344 AMAQI
29°C23/36°C
2nd Aug 2025385 AMAQI
2nd Aug 2025396 AMAQI
2nd Aug 2025367 AMAQI
2nd Aug 2025388 AMAQI
2nd Aug 2025529 AMAQI
2nd Aug 20255410 AMAQI
2nd Aug 20255411 AMAQI
2nd Aug 20255512 PMAQI
2nd Aug 2025551 PMAQI
2nd Aug 2025572 PMAQI
2nd Aug 2025563 PMAQI
2nd Aug 2025564 PMAQI
2nd Aug 2025585 PMAQI
2nd Aug 2025586 PMAQI
2nd Aug 2025477 PMAQI
2nd Aug 2025538 PMAQI
2nd Aug 2025519 PMAQI
2nd Aug 20254910 PMAQI
2nd Aug 20254411 PMAQI
3rd Aug 20254512 AMAQI
3rd Aug 2025411 AMAQI
3rd Aug 2025392 AMAQI
3rd Aug 2025383 AMAQI
3rd Aug 2025414 AMAQI
29°C23/37°C
3rd Aug 2025435 AMAQI
3rd Aug 2025436 AMAQI
3rd Aug 2025437 AMAQI
3rd Aug 2025428 AMAQI
3rd Aug 2025499 AMAQI
3rd Aug 20254610 AMAQI
3rd Aug 20255411 AMAQI
3rd Aug 20255612 PMAQI
3rd Aug 2025551 PMAQI
3rd Aug 2025582 PMAQI
3rd Aug 2025543 PMAQI
3rd Aug 2025624 PMAQI
3rd Aug 2025545 PMAQI
3rd Aug 2025566 PMAQI
3rd Aug 2025587 PMAQI
3rd Aug 2025578 PMAQI
3rd Aug 2025549 PMAQI
3rd Aug 20255310 PMAQI
3rd Aug 20255111 PMAQI
4th Aug 20254812 AMAQI
4th Aug 2025401 AMAQI
4th Aug 2025412 AMAQI
4th Aug 2025413 AMAQI
4th Aug 2025454 AMAQI
29°C23/37°C
4th Aug 2025465 AMAQI
4th Aug 2025486 AMAQI
4th Aug 2025467 AMAQI
4th Aug 2025448 AMAQI
4th Aug 2025429 AMAQI
4th Aug 20254410 AMAQI
4th Aug 20254211 AMAQI
4th Aug 20254112 PMAQI
4th Aug 2025421 PMAQI
4th Aug 2025502 PMAQI
4th Aug 2025433 PMAQI
4th Aug 2025454 PMAQI
4th Aug 2025485 PMAQI
4th Aug 2025566 PMAQI
4th Aug 2025517 PMAQI
4th Aug 2025528 PMAQI
4th Aug 2025549 PMAQI
4th Aug 20255010 PMAQI
4th Aug 20255211 PMAQI
5th Aug 20255312 AMAQI
5th Aug 2025481 AMAQI
5th Aug 2025442 AMAQI
5th Aug 2025443 AMAQI
5th Aug 2025474 AMAQI
27°C24/31°C
5th Aug 2025465 AMAQI
5 AM5th Aug 2025466 AMAQI
5th Aug 2025477 AMAQI
5th Aug 2025468 AMAQI
5th Aug 2025419 AMAQI
5th Aug 20253610 AMAQI
5th Aug 20254111 AMAQI
5th Aug 20253712 PMAQI
12 PM5th Aug 2025491 PMAQI
5th Aug 2025442 PMAQI
5th Aug 2025493 PMAQI
5th Aug 2025454 PMAQI
5th Aug 2025505 PMAQI
7 PM
12 AM
4 AM
--°C/°C
Day time
Avg. Highest Time
5 AM - 8 AM
45AQI
4 hours / Day
120 hours / Month
Avg. Lowest Time
10 AM
33AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 5 AM to 8 AM (Avg. 45), while the lowest AQI was between 10 AM to 10 AM (Avg. 33).
Night time
Avg. Highest Time
2 AM - 4 AM
46AQI
3 hours / Day
90 hours / Month
Avg. Lowest Time
8 PM
42AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 2 AM to 4 AM (Avg. 46), while the lowest AQI was between 8 PM to 8 PM (Avg. 42).
2025 Days Vs Air Quality
Shiromachi, Tsukawaki, Oita, Japan
2025
69%
148
31%
68
Total number of days with different AQI categories in last 217 days in 2025 (148 days remaining)
Good
148 DaysModerate
68 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 69%
Health Risk Level:
Moderate
In 2025, 69% of 217 days were within WHO’s safe air quality limits, and 31% exceeded them. The risk of health issues is Moderate, particularly for individuals with respiratory or heart conditions.
Annual Air Quality Insights
Shiromachi, Tsukawaki, Oita, Japan
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
38AQI
38AQI
2nd January 2025
45AQI
45AQI
3rd January 2025
37AQI
37AQI
4th January 2025
41AQI
41AQI
5th January 2025
42AQI
42AQI
6th January 2025
56AQI
56AQI
7th January 2025
33AQI
33AQI
8th January 2025
43AQI
43AQI
9th January 2025
30AQI
30AQI
10th January 2025
36AQI
36AQI
11th January 2025
40AQI
40AQI
12th January 2025
45AQI
45AQI
13th January 2025
50AQI
50AQI
14th January 2025
56AQI
56AQI
15th January 2025
53AQI
53AQI
16th January 2025
56AQI
56AQI
17th January 2025
59AQI
59AQI
18th January 2025
56AQI
56AQI
19th January 2025
60AQI
60AQI
20th January 2025
62AQI
62AQI
21st January 2025
76AQI
76AQI
22nd January 2025
79AQI
79AQI
23rd January 2025
76AQI
76AQI
24th January 2025
79AQI
79AQI
25th January 2025
51AQI
51AQI
26th January 2025
51AQI
51AQI
27th January 2025
45AQI
45AQI
28th January 2025
38AQI
38AQI
29th January 2025
35AQI
35AQI
30th January 2025
44AQI
44AQI
31st January 2025
53AQI
53AQI
1st February 2025
46AQI
46AQI
2nd February 2025
39AQI
39AQI
3rd February 2025
50AQI
50AQI
4th February 2025
34AQI
34AQI
5th February 2025
42AQI
42AQI
6th February 2025
33AQI
33AQI
7th February 2025
47AQI
47AQI
8th February 2025
30AQI
30AQI
9th February 2025
36AQI
36AQI
10th February 2025
35AQI
35AQI
11th February 2025
46AQI
46AQI
12th February 2025
57AQI
57AQI
13th February 2025
37AQI
37AQI
14th February 2025
52AQI
52AQI
15th February 2025
34AQI
34AQI
16th February 2025
50AQI
50AQI
17th February 2025
44AQI
44AQI
18th February 2025
41AQI
41AQI
19th February 2025
44AQI
44AQI
20th February 2025
41AQI
41AQI
21st February 2025
42AQI
42AQI
22nd February 2025
48AQI
48AQI
23rd February 2025
47AQI
47AQI
24th February 2025
41AQI
41AQI
25th February 2025
44AQI
44AQI
26th February 2025
47AQI
47AQI
27th February 2025
67AQI
67AQI
28th February 2025
64AQI
64AQI
1st March 2025
63AQI
63AQI
2nd March 2025
53AQI
53AQI
3rd March 2025
43AQI
43AQI
4th March 2025
34AQI
34AQI
5th March 2025
30AQI
30AQI
6th March 2025
32AQI
32AQI
7th March 2025
37AQI
37AQI
8th March 2025
44AQI
44AQI
9th March 2025
47AQI
47AQI
10th March 2025
51AQI
51AQI
11th March 2025
46AQI
46AQI
12th March 2025
52AQI
52AQI
13th March 2025
57AQI
57AQI
14th March 2025
39AQI
39AQI
15th March 2025
37AQI
37AQI
16th March 2025
28AQI
28AQI
17th March 2025
52AQI
52AQI
18th March 2025
44AQI
44AQI
19th March 2025
44AQI
44AQI
20th March 2025
55AQI
55AQI
21st March 2025
60AQI
60AQI
22nd March 2025
66AQI
66AQI
23rd March 2025
69AQI
69AQI
24th March 2025
59AQI
59AQI
25th March 2025
72AQI
72AQI
26th March 2025
70AQI
70AQI
27th March 2025
64AQI
64AQI
28th March 2025
66AQI
66AQI
29th March 2025
57AQI
57AQI
30th March 2025
45AQI
45AQI
31st March 2025
46AQI
46AQI
1st April 2025
45AQI
45AQI
2nd April 2025
38AQI
38AQI
3rd April 2025
37AQI
37AQI
4th April 2025
40AQI
40AQI
5th April 2025
45AQI
45AQI
6th April 2025
46AQI
46AQI
7th April 2025
45AQI
45AQI
8th April 2025
44AQI
44AQI
9th April 2025
54AQI
54AQI
10th April 2025
49AQI
49AQI
11th April 2025
55AQI
55AQI
12th April 2025
55AQI
55AQI
13th April 2025
48AQI
48AQI
14th April 2025
53AQI
53AQI
15th April 2025
28AQI
28AQI
16th April 2025
46AQI
46AQI
17th April 2025
46AQI
46AQI
18th April 2025
51AQI
51AQI
19th April 2025
55AQI
55AQI
20th April 2025
50AQI
50AQI
21st April 2025
43AQI
43AQI
22nd April 2025
40AQI
40AQI
23rd April 2025
27AQI
27AQI
24th April 2025
37AQI
37AQI
25th April 2025
51AQI
51AQI
26th April 2025
49AQI
49AQI
27th April 2025
55AQI
55AQI
28th April 2025
48AQI
48AQI
29th April 2025
50AQI
50AQI
30th April 2025
54AQI
54AQI
1st May 2025
50AQI
50AQI
2nd May 2025
41AQI
41AQI
3rd May 2025
50AQI
50AQI
4th May 2025
40AQI
40AQI
5th May 2025
43AQI
43AQI
6th May 2025
33AQI
33AQI
7th May 2025
37AQI
37AQI
8th May 2025
41AQI
41AQI
9th May 2025
32AQI
32AQI
10th May 2025
38AQI
38AQI
11th May 2025
42AQI
42AQI
12th May 2025
52AQI
52AQI
13th May 2025
54AQI
54AQI
14th May 2025
62AQI
62AQI
15th May 2025
59AQI
59AQI
16th May 2025
60AQI
60AQI
17th May 2025
40AQI
40AQI
18th May 2025
50AQI
50AQI
19th May 2025
56AQI
56AQI
20th May 2025
51AQI
51AQI
21st May 2025
39AQI
39AQI
22nd May 2025
37AQI
37AQI
23rd May 2025
44AQI
44AQI
24th May 2025
28AQI
28AQI
25th May 2025
30AQI
30AQI
26th May 2025
33AQI
33AQI
27th May 2025
44AQI
44AQI
28th May 2025
45AQI
45AQI
29th May 2025
47AQI
47AQI
30th May 2025
45AQI
45AQI
31st May 2025
43AQI
43AQI
1st June 2025
49AQI
49AQI
2nd June 2025
53AQI
53AQI
3rd June 2025
32AQI
32AQI
4th June 2025
48AQI
48AQI
5th June 2025
47AQI
47AQI
6th June 2025
60AQI
60AQI
7th June 2025
67AQI
67AQI
8th June 2025
70AQI
70AQI
9th June 2025
39AQI
39AQI
10th June 2025
33AQI
33AQI
11th June 2025
47AQI
47AQI
12th June 2025
43AQI
43AQI
13th June 2025
43AQI
43AQI
14th June 2025
30AQI
30AQI
15th June 2025
28AQI
28AQI
16th June 2025
29AQI
29AQI
17th June 2025
35AQI
35AQI
18th June 2025
39AQI
39AQI
19th June 2025
44AQI
44AQI
20th June 2025
50AQI
50AQI
21st June 2025
39AQI
39AQI
22nd June 2025
29AQI
29AQI
23rd June 2025
26AQI
26AQI
24th June 2025
29AQI
29AQI
25th June 2025
34AQI
34AQI
26th June 2025
35AQI
35AQI
27th June 2025
37AQI
37AQI
28th June 2025
40AQI
40AQI
29th June 2025
48AQI
48AQI
30th June 2025
58AQI
58AQI
1st July 2025
73AQI
73AQI
2nd July 2025
97AQI
97AQI
3rd July 2025
92AQI
92AQI
4th July 2025
96AQI
96AQI
5th July 2025
77AQI
77AQI
6th July 2025
59AQI
59AQI
7th July 2025
58AQI
58AQI
8th July 2025
63AQI
63AQI
9th July 2025
73AQI
73AQI
10th July 2025
63AQI
63AQI
11th July 2025
46AQI
46AQI
12th July 2025
47AQI
47AQI
13th July 2025
41AQI
41AQI
14th July 2025
39AQI
39AQI
15th July 2025
48AQI
48AQI
16th July 2025
60AQI
60AQI
17th July 2025
59AQI
59AQI
18th July 2025
37AQI
37AQI
19th July 2025
36AQI
36AQI
20th July 2025
32AQI
32AQI
21st July 2025
33AQI
33AQI
22nd July 2025
39AQI
39AQI
23rd July 2025
35AQI
35AQI
24th July 2025
28AQI
28AQI
25th July 2025
25AQI
25AQI
26th July 2025
23AQI
23AQI
27th July 2025
22AQI
22AQI
28th July 2025
24AQI
24AQI
29th July 2025
26AQI
26AQI
30th July 2025
25AQI
25AQI
31st July 2025
29AQI
29AQI
1st August 2025
44AQI
44AQI
2nd August 2025
47AQI
47AQI
3rd August 2025
49AQI
49AQI
4th August 2025
44AQI
44AQI
50AQI
44AQI
50AQI
46AQI
44AQI
42AQI
49AQI
46AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202547AQI
16
15
24
4
15
16
21
9
24
7
25
5
19
12
4
148
68
Highest AQI recorded in
January50AQI
Lowest AQI recorded in
June42AQI
202443AQI
29
2
24
5
24
7
15
15
16
15
19
11
30
1
24
6
22
8
29
2
21
9
29
2
282
83
Highest AQI recorded in
April53AQI
Lowest AQI recorded in
July37AQI
202344AQI
23
7
1
19
9
15
16
12
18
17
14
19
11
26
4
31
29
1
23
8
21
8
26
5
261
101
1
Highest AQI recorded in
April53AQI
Lowest AQI recorded in
August32AQI
202248AQI
16
15
16
5
17
14
18
12
11
20
22
8
20
3
1
26
2
18
13
21
9
21
10
206
112
Highest AQI recorded in
May57AQI
Lowest AQI recorded in
September39AQI
202146AQI
15
16
13
15
14
15
16
5
18
13
16
14
28
3
29
2
25
5
20
11
19
11
19
12
232
122
Highest AQI recorded in
February54AQI
Lowest AQI recorded in
August32AQI
202049AQI
3
9
1
3
18
8
10
16
14
30
1
17
10
3
15
4
20
11
18
12
16
15
146
104
4
Highest AQI recorded in
March68AQI
Lowest AQI recorded in
July32AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2020(Avg.)
49AQILeast Polluted Year Recorded
2024(Avg.)
43AQIShiromachi's annual 2025 AQI (47) shows an average percentage change of 1.4% (worsened AQI) compared to previous years: 2020 (49), 2021 (46), 2022 (48), 2023 (44), 2024 (43).
