Iwata, Shizuoka, 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+
October Air Quality Analysis
Iwata, Shizuoka, Japan
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
2nd Oct 2024
62AQILowest AQI recorded on
6th Oct 2022
15AQISame Day Analysis (15th October ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 47 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 16th Oct - 17th Oct 2025
Iwata, Shizuoka, Japan
AQI
Day
Night
.
5 AM16th Oct 2025
5 PM
4 AM17th Oct 2025
Day time
Avg. Highest Time
12AMNaNth undefined
AQI
Avg. Lowest Time
12AMNaNth undefined
AQI
Night time
Avg. Highest Time
12AM17th Oct
53AQI
Avg. Lowest Time
3PM16th Oct
22AQI
In the last 24 hours,
Iwata's AQI reached its highest point of 53 at 12 AM during the Night, while the lowest point, 22, was recorded at 3 PM during the Night between 16th Oct and 17th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Iwata, Shizuoka, Japan
SepOct
17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th
Day
Night
17th Sep 2025435 AMAQI
17th Sep 2025436 AMAQI
17th Sep 2025447 AMAQI
17th Sep 2025458 AMAQI
17th Sep 2025519 AMAQI
17th Sep 20255910 AMAQI
17th Sep 20255811 AMAQI
17th Sep 20255912 PMAQI
17th Sep 2025611 PMAQI
17th Sep 2025642 PMAQI
17th Sep 2025603 PMAQI
17th Sep 2025574 PMAQI
17th Sep 2025595 PMAQI
17th Sep 2025616 PMAQI
17th Sep 2025587 PMAQI
17th Sep 2025568 PMAQI
17th Sep 2025569 PMAQI
17th Sep 20256110 PMAQI
17th Sep 20256111 PMAQI
18th Sep 20255612 AMAQI
18th Sep 2025431 AMAQI
18th Sep 2025382 AMAQI
18th Sep 2025403 AMAQI
18th Sep 2025424 AMAQI
29°C26/33°C
18th Sep 2025465 AMAQI
18th Sep 2025466 AMAQI
18th Sep 2025477 AMAQI
18th Sep 2025468 AMAQI
18th Sep 2025649 AMAQI
18th Sep 20256810 AMAQI
18th Sep 20256511 AMAQI
18th Sep 20256112 PMAQI
18th Sep 2025581 PMAQI
18th Sep 2025592 PMAQI
18th Sep 2025623 PMAQI
18th Sep 2025544 PMAQI
18th Sep 2025445 PMAQI
18th Sep 2025336 PMAQI
18th Sep 2025247 PMAQI
18th Sep 2025228 PMAQI
18th Sep 2025309 PMAQI
18th Sep 20253210 PMAQI
18th Sep 20253111 PMAQI
19th Sep 20253412 AMAQI
19th Sep 2025441 AMAQI
19th Sep 2025462 AMAQI
19th Sep 2025463 AMAQI
19th Sep 2025484 AMAQI
29°C26/33°C
19th Sep 2025525 AMAQI
19th Sep 2025526 AMAQI
19th Sep 2025527 AMAQI
19th Sep 2025528 AMAQI
19th Sep 2025279 AMAQI
19th Sep 20251410 AMAQI
19th Sep 20251311 AMAQI
19th Sep 20251412 PMAQI
19th Sep 2025161 PMAQI
19th Sep 2025192 PMAQI
19th Sep 2025193 PMAQI
19th Sep 2025204 PMAQI
19th Sep 2025225 PMAQI
19th Sep 2025246 PMAQI
19th Sep 2025267 PMAQI
19th Sep 2025348 PMAQI
19th Sep 2025389 PMAQI
19th Sep 20253810 PMAQI
19th Sep 20253811 PMAQI
20th Sep 20253812 AMAQI
20th Sep 2025431 AMAQI
20th Sep 2025482 AMAQI
20th Sep 2025483 AMAQI
20th Sep 2025464 AMAQI
25°C23/26°C
20th Sep 2025415 AMAQI
20th Sep 2025416 AMAQI
20th Sep 2025417 AMAQI
20th Sep 2025428 AMAQI
20th Sep 2025279 AMAQI
20th Sep 20252210 AMAQI
20th Sep 20251811 AMAQI
20th Sep 20251812 PMAQI
20th Sep 2025201 PMAQI
20th Sep 2025222 PMAQI
20th Sep 2025243 PMAQI
20th Sep 2025234 PMAQI
20th Sep 2025245 PMAQI
20th Sep 2025246 PMAQI
20th Sep 2025277 PMAQI
20th Sep 2025288 PMAQI
20th Sep 2025369 PMAQI
20th Sep 20253610 PMAQI
20th Sep 20253611 PMAQI
21st Sep 20253712 AMAQI
21st Sep 2025431 AMAQI
21st Sep 2025432 AMAQI
21st Sep 2025443 AMAQI
21st Sep 2025414 AMAQI
23°C21/24°C
21st Sep 2025395 AMAQI
21st Sep 2025386 AMAQI
21st Sep 2025387 AMAQI
21st Sep 2025398 AMAQI
21st Sep 2025219 AMAQI
21st Sep 20251610 AMAQI
21st Sep 20251611 AMAQI
21st Sep 20251612 PMAQI
21st Sep 2025171 PMAQI
21st Sep 2025192 PMAQI
21st Sep 2025183 PMAQI
21st Sep 2025154 PMAQI
21st Sep 2025175 PMAQI
21st Sep 2025156 PMAQI
21st Sep 2025157 PMAQI
21st Sep 2025208 PMAQI
21st Sep 2025299 PMAQI
21st Sep 20253210 PMAQI
21st Sep 20254011 PMAQI
22nd Sep 20253412 AMAQI
22nd Sep 2025391 AMAQI
22nd Sep 2025412 AMAQI
22nd Sep 2025413 AMAQI
22nd Sep 2025394 AMAQI
26°C23/31°C
22nd Sep 2025355 AMAQI
22nd Sep 2025366 AMAQI
22nd Sep 2025367 AMAQI
22nd Sep 2025368 AMAQI
22nd Sep 2025239 AMAQI
22nd Sep 20251810 AMAQI
22nd Sep 20252111 AMAQI
22nd Sep 20252212 PMAQI
22nd Sep 2025231 PMAQI
22nd Sep 2025222 PMAQI
22nd Sep 2025223 PMAQI
22nd Sep 2025244 PMAQI
22nd Sep 2025235 PMAQI
22nd Sep 2025286 PMAQI
22nd Sep 2025317 PMAQI
22nd Sep 2025278 PMAQI
22nd Sep 2025329 PMAQI
22nd Sep 20253210 PMAQI
22nd Sep 20253111 PMAQI
23rd Sep 20253212 AMAQI
23rd Sep 2025371 AMAQI
23rd Sep 2025372 AMAQI
23rd Sep 2025363 AMAQI
23rd Sep 2025364 AMAQI
24°C22/27°C
23rd Sep 2025335 AMAQI
23rd Sep 2025336 AMAQI
23rd Sep 2025337 AMAQI
23rd Sep 2025338 AMAQI
23rd Sep 2025259 AMAQI
23rd Sep 20252210 AMAQI
23rd Sep 20252611 AMAQI
23rd Sep 20252612 PMAQI
23rd Sep 2025261 PMAQI
23rd Sep 2025282 PMAQI
23rd Sep 2025253 PMAQI
23rd Sep 2025234 PMAQI
23rd Sep 2025265 PMAQI
23rd Sep 2025286 PMAQI
23rd Sep 2025307 PMAQI
23rd Sep 2025318 PMAQI
23rd Sep 2025329 PMAQI
23rd Sep 20253010 PMAQI
23rd Sep 20252911 PMAQI
24th Sep 20253112 AMAQI
24th Sep 2025331 AMAQI
24th Sep 2025342 AMAQI
24th Sep 2025343 AMAQI
24th Sep 2025344 AMAQI
23°C20/26°C
24th Sep 2025325 AMAQI
24th Sep 2025326 AMAQI
24th Sep 2025327 AMAQI
24th Sep 2025328 AMAQI
24th Sep 2025299 AMAQI
24th Sep 20252810 AMAQI
24th Sep 20252811 AMAQI
24th Sep 20252612 PMAQI
24th Sep 2025261 PMAQI
24th Sep 2025272 PMAQI
24th Sep 2025233 PMAQI
24th Sep 2025224 PMAQI
24th Sep 2025245 PMAQI
24th Sep 2025236 PMAQI
24th Sep 2025247 PMAQI
24th Sep 2025328 PMAQI
24th Sep 2025319 PMAQI
24th Sep 20252610 PMAQI
24th Sep 20252611 PMAQI
25th Sep 20252612 AMAQI
25th Sep 2025321 AMAQI
25th Sep 2025322 AMAQI
25th Sep 2025323 AMAQI
25th Sep 2025324 AMAQI
23°C20/26°C
25th Sep 2025315 AMAQI
25th Sep 2025326 AMAQI
25th Sep 2025317 AMAQI
25th Sep 2025328 AMAQI
25th Sep 2025269 AMAQI
25th Sep 20252210 AMAQI
25th Sep 20252711 AMAQI
25th Sep 20253212 PMAQI
25th Sep 2025311 PMAQI
25th Sep 2025472 PMAQI
25th Sep 2025633 PMAQI
25th Sep 2025654 PMAQI
25th Sep 2025705 PMAQI
25th Sep 2025806 PMAQI
25th Sep 2025697 PMAQI
25th Sep 2025448 PMAQI
25th Sep 2025389 PMAQI
25th Sep 20253110 PMAQI
25th Sep 20252711 PMAQI
26th Sep 20252512 AMAQI
26th Sep 2025221 AMAQI
26th Sep 2025192 AMAQI
26th Sep 2025183 AMAQI
26th Sep 2025154 AMAQI
24°C21/27°C
26th Sep 2025125 AMAQI
26th Sep 2025126 AMAQI
26th Sep 2025157 AMAQI
26th Sep 2025118 AMAQI
26th Sep 2025199 AMAQI
26th Sep 20252310 AMAQI
26th Sep 20253211 AMAQI
26th Sep 20254512 PMAQI
26th Sep 2025561 PMAQI
26th Sep 2025662 PMAQI
26th Sep 2025743 PMAQI
26th Sep 2025734 PMAQI
26th Sep 2025725 PMAQI
26th Sep 2025676 PMAQI
26th Sep 2025537 PMAQI
26th Sep 2025368 PMAQI
26th Sep 2025319 PMAQI
26th Sep 20252410 PMAQI
26th Sep 20252811 PMAQI
27th Sep 20253312 AMAQI
27th Sep 2025391 AMAQI
27th Sep 2025312 AMAQI
27th Sep 2025273 AMAQI
27th Sep 2025274 AMAQI
27°C22/32°C
27th Sep 2025255 AMAQI
27th Sep 2025256 AMAQI
27th Sep 2025247 AMAQI
27th Sep 2025228 AMAQI
27th Sep 2025269 AMAQI
27th Sep 20253610 AMAQI
27th Sep 20254611 AMAQI
27th Sep 20254812 PMAQI
27th Sep 2025441 PMAQI
27th Sep 2025412 PMAQI
27th Sep 2025423 PMAQI
27th Sep 2025354 PMAQI
27th Sep 2025335 PMAQI
27th Sep 2025276 PMAQI
27th Sep 2025237 PMAQI
27th Sep 2025208 PMAQI
27th Sep 2025219 PMAQI
27th Sep 20252110 PMAQI
27th Sep 20252011 PMAQI
28th Sep 20252412 AMAQI
28th Sep 2025221 AMAQI
28th Sep 2025212 AMAQI
28th Sep 2025223 AMAQI
28th Sep 2025224 AMAQI
25°C23/28°C
28th Sep 2025225 AMAQI
28th Sep 2025246 AMAQI
28th Sep 2025247 AMAQI
28th Sep 2025258 AMAQI
28th Sep 2025299 AMAQI
28th Sep 20253010 AMAQI
28th Sep 20253411 AMAQI
28th Sep 20253012 PMAQI
28th Sep 2025341 PMAQI
28th Sep 2025392 PMAQI
28th Sep 2025433 PMAQI
28th Sep 2025394 PMAQI
28th Sep 2025325 PMAQI
28th Sep 2025416 PMAQI
28th Sep 2025397 PMAQI
28th Sep 2025258 PMAQI
28th Sep 2025179 PMAQI
28th Sep 20251610 PMAQI
28th Sep 20251911 PMAQI
29th Sep 20252112 AMAQI
29th Sep 2025181 AMAQI
29th Sep 2025172 AMAQI
29th Sep 2025283 AMAQI
29th Sep 2025284 AMAQI
25°C22/28°C
29th Sep 2025225 AMAQI
29th Sep 2025216 AMAQI
29th Sep 2025207 AMAQI
29th Sep 2025248 AMAQI
29th Sep 2025399 AMAQI
29th Sep 20253010 AMAQI
29th Sep 20251511 AMAQI
29th Sep 20251412 PMAQI
29th Sep 2025221 PMAQI
29th Sep 2025212 PMAQI
29th Sep 2025213 PMAQI
29th Sep 2025214 PMAQI
29th Sep 2025225 PMAQI
29th Sep 2025236 PMAQI
29th Sep 2025157 PMAQI
29th Sep 2025108 PMAQI
29th Sep 2025159 PMAQI
29th Sep 20251410 PMAQI
29th Sep 20251011 PMAQI
30th Sep 2025812 AMAQI
30th Sep 202571 AMAQI
30th Sep 202562 AMAQI
30th Sep 202573 AMAQI
30th Sep 2025154 AMAQI
25°C22/29°C
30th Sep 2025175 AMAQI
30th Sep 2025106 AMAQI
30th Sep 2025107 AMAQI
30th Sep 2025108 AMAQI
30th Sep 2025139 AMAQI
30th Sep 20252110 AMAQI
30th Sep 20253411 AMAQI
30th Sep 20253512 PMAQI
30th Sep 2025391 PMAQI
30th Sep 2025362 PMAQI
30th Sep 2025363 PMAQI
30th Sep 2025464 PMAQI
30th Sep 2025375 PMAQI
30th Sep 2025376 PMAQI
30th Sep 2025337 PMAQI
30th Sep 2025318 PMAQI
30th Sep 2025299 PMAQI
30th Sep 20253010 PMAQI
30th Sep 20252611 PMAQI
1st Oct 20252212 AMAQI
1st Oct 2025131 AMAQI
1st Oct 2025132 AMAQI
1st Oct 2025123 AMAQI
1st Oct 2025144 AMAQI
24°C22/27°C
1st Oct 2025145 AMAQI
1st Oct 2025136 AMAQI
1st Oct 2025137 AMAQI
1st Oct 2025128 AMAQI
1st Oct 2025159 AMAQI
1st Oct 20252410 AMAQI
1st Oct 20252211 AMAQI
1st Oct 20251512 PMAQI
1st Oct 2025151 PMAQI
1st Oct 2025142 PMAQI
1st Oct 2025143 PMAQI
1st Oct 2025144 PMAQI
1st Oct 2025145 PMAQI
1st Oct 2025146 PMAQI
1st Oct 2025167 PMAQI
1st Oct 2025228 PMAQI
1st Oct 2025239 PMAQI
1st Oct 20252110 PMAQI
1st Oct 20252411 PMAQI
2nd Oct 20252212 AMAQI
2nd Oct 2025391 AMAQI
2nd Oct 2025422 AMAQI
2nd Oct 2025503 AMAQI
2nd Oct 2025434 AMAQI
23°C21/25°C
2nd Oct 2025415 AMAQI
2nd Oct 2025446 AMAQI
2nd Oct 2025447 AMAQI
2nd Oct 2025438 AMAQI
2nd Oct 2025419 AMAQI
2nd Oct 20254210 AMAQI
2nd Oct 20254611 AMAQI
2nd Oct 20254912 PMAQI
2nd Oct 2025501 PMAQI
2nd Oct 2025512 PMAQI
2nd Oct 2025583 PMAQI
2nd Oct 2025574 PMAQI
2nd Oct 2025575 PMAQI
2nd Oct 2025526 PMAQI
2nd Oct 2025467 PMAQI
2nd Oct 2025488 PMAQI
2nd Oct 2025479 PMAQI
2nd Oct 20254310 PMAQI
2nd Oct 20254011 PMAQI
3rd Oct 20254012 AMAQI
3rd Oct 2025381 AMAQI
3rd Oct 2025432 AMAQI
3rd Oct 2025443 AMAQI
3rd Oct 2025454 AMAQI
23°C19/28°C
3rd Oct 2025455 AMAQI
3rd Oct 2025446 AMAQI
3rd Oct 2025447 AMAQI
3rd Oct 2025458 AMAQI
3rd Oct 2025449 AMAQI
3rd Oct 20254510 AMAQI
3rd Oct 20255011 AMAQI
3rd Oct 20254812 PMAQI
3rd Oct 2025441 PMAQI
3rd Oct 2025382 PMAQI
3rd Oct 2025413 PMAQI
3rd Oct 2025484 PMAQI
3rd Oct 2025485 PMAQI
3rd Oct 2025486 PMAQI
3rd Oct 2025497 PMAQI
3rd Oct 2025398 PMAQI
3rd Oct 2025479 PMAQI
3rd Oct 20255610 PMAQI
3rd Oct 20255511 PMAQI
4th Oct 20255712 AMAQI
4th Oct 2025591 AMAQI
4th Oct 2025612 AMAQI
4th Oct 2025563 AMAQI
4th Oct 2025584 AMAQI
24°C21/27°C
4th Oct 2025565 AMAQI
4th Oct 2025566 AMAQI
4th Oct 2025547 AMAQI
4th Oct 2025548 AMAQI
4th Oct 2025549 AMAQI
4th Oct 20255210 AMAQI
4th Oct 20254911 AMAQI
4th Oct 20255212 PMAQI
4th Oct 2025571 PMAQI
4th Oct 2025522 PMAQI
4th Oct 2025493 PMAQI
4th Oct 2025494 PMAQI
4th Oct 2025485 PMAQI
4th Oct 2025546 PMAQI
4th Oct 2025507 PMAQI
4th Oct 2025478 PMAQI
4th Oct 2025459 PMAQI
4th Oct 20254710 PMAQI
4th Oct 20255111 PMAQI
5th Oct 20255512 AMAQI
5th Oct 2025541 AMAQI
5th Oct 2025492 AMAQI
5th Oct 2025433 AMAQI
5th Oct 2025514 AMAQI
23°C22/24°C
5th Oct 2025515 AMAQI
5th Oct 2025526 AMAQI
5th Oct 2025497 AMAQI
5th Oct 2025498 AMAQI
5th Oct 2025499 AMAQI
5th Oct 20254110 AMAQI
5th Oct 20254711 AMAQI
5th Oct 20255312 PMAQI
5th Oct 2025531 PMAQI
5th Oct 2025532 PMAQI
5th Oct 2025493 PMAQI
5th Oct 2025424 PMAQI
5th Oct 2025485 PMAQI
5th Oct 2025486 PMAQI
5th Oct 2025497 PMAQI
5th Oct 2025558 PMAQI
5th Oct 2025609 PMAQI
5th Oct 20256110 PMAQI
5th Oct 20254911 PMAQI
6th Oct 20254112 AMAQI
6th Oct 2025431 AMAQI
6th Oct 2025492 AMAQI
6th Oct 2025523 AMAQI
6th Oct 2025494 AMAQI
25°C22/28°C
6th Oct 2025385 AMAQI
6th Oct 2025346 AMAQI
6th Oct 2025387 AMAQI
6th Oct 2025438 AMAQI
6th Oct 2025459 AMAQI
6th Oct 20254310 AMAQI
6th Oct 20254611 AMAQI
6th Oct 20254812 PMAQI
6th Oct 2025411 PMAQI
6th Oct 2025422 PMAQI
6th Oct 2025433 PMAQI
6th Oct 2025434 PMAQI
6th Oct 2025415 PMAQI
6th Oct 2025436 PMAQI
6th Oct 2025447 PMAQI
6th Oct 2025408 PMAQI
6th Oct 2025439 PMAQI
6th Oct 20254110 PMAQI
6th Oct 20254611 PMAQI
7th Oct 20254612 AMAQI
7th Oct 2025501 AMAQI
7th Oct 2025542 AMAQI
25°C23/30°C
7th Oct 2025448 PMAQI
7th Oct 2025369 PMAQI
7th Oct 20256010 PMAQI
7th Oct 20256011 PMAQI
8th Oct 20255712 AMAQI
8th Oct 2025591 AMAQI
8th Oct 2025592 AMAQI
8th Oct 2025573 AMAQI
8th Oct 2025564 AMAQI
23°C22/27°C
8th Oct 2025555 AMAQI
8th Oct 2025546 AMAQI
8th Oct 2025547 AMAQI
8th Oct 2025528 AMAQI
8th Oct 2025519 AMAQI
8th Oct 20255210 AMAQI
8th Oct 20254611 AMAQI
8th Oct 20255612 PMAQI
8th Oct 2025601 PMAQI
8th Oct 2025512 PMAQI
8th Oct 2025553 PMAQI
8th Oct 2025624 PMAQI
8th Oct 2025625 PMAQI
8th Oct 2025576 PMAQI
8th Oct 2025557 PMAQI
8th Oct 2025568 PMAQI
8th Oct 2025589 PMAQI
8th Oct 20256010 PMAQI
8th Oct 20255611 PMAQI
9th Oct 20256012 AMAQI
9th Oct 2025601 AMAQI
9th Oct 2025622 AMAQI
9th Oct 2025613 AMAQI
9th Oct 2025604 AMAQI
25°C22/29°C
9th Oct 2025645 AMAQI
9th Oct 2025646 AMAQI
9th Oct 2025617 AMAQI
9th Oct 2025608 AMAQI
9th Oct 2025629 AMAQI
9th Oct 20256910 AMAQI
9th Oct 20257311 AMAQI
9th Oct 20256612 PMAQI
9th Oct 2025591 PMAQI
9th Oct 2025572 PMAQI
9th Oct 2025543 PMAQI
9th Oct 2025564 PMAQI
9th Oct 2025585 PMAQI
9th Oct 2025576 PMAQI
9th Oct 2025567 PMAQI
9th Oct 2025578 PMAQI
9th Oct 2025589 PMAQI
9th Oct 20255610 PMAQI
9th Oct 20255811 PMAQI
10th Oct 20256012 AMAQI
10th Oct 2025561 AMAQI
10th Oct 2025602 AMAQI
10th Oct 2025623 AMAQI
10th Oct 2025614 AMAQI
25°C22/28°C
10th Oct 2025595 AMAQI
10th Oct 2025576 AMAQI
10th Oct 2025577 AMAQI
10th Oct 2025558 AMAQI
10th Oct 2025559 AMAQI
10th Oct 20255510 AMAQI
10th Oct 20255511 AMAQI
10th Oct 20255612 PMAQI
10th Oct 2025571 PMAQI
10th Oct 2025562 PMAQI
10th Oct 2025573 PMAQI
10th Oct 2025564 PMAQI
10th Oct 2025575 PMAQI
10th Oct 2025576 PMAQI
10th Oct 2025587 PMAQI
10th Oct 2025578 PMAQI
10th Oct 2025569 PMAQI
10th Oct 20255510 PMAQI
10th Oct 20255611 PMAQI
11th Oct 20255912 AMAQI
11th Oct 2025601 AMAQI
11th Oct 2025612 AMAQI
11th Oct 2025583 AMAQI
11th Oct 2025574 AMAQI
21°C20/23°C
11th Oct 2025585 AMAQI
11th Oct 2025596 AMAQI
11th Oct 2025587 AMAQI
11th Oct 2025558 AMAQI
11th Oct 2025559 AMAQI
11th Oct 20255610 AMAQI
11th Oct 20255611 AMAQI
11th Oct 20255612 PMAQI
11th Oct 2025551 PMAQI
11th Oct 2025502 PMAQI
11th Oct 2025553 PMAQI
11th Oct 2025524 PMAQI
11th Oct 2025365 PMAQI
11th Oct 2025366 PMAQI
11th Oct 2025457 PMAQI
11th Oct 2025408 PMAQI
11th Oct 2025339 PMAQI
11th Oct 20253810 PMAQI
11th Oct 20254811 PMAQI
12th Oct 20254812 AMAQI
12th Oct 2025441 AMAQI
12th Oct 2025502 AMAQI
12th Oct 2025463 AMAQI
12th Oct 2025394 AMAQI
21°C20/21°C
12th Oct 2025385 AMAQI
12th Oct 2025336 AMAQI
12th Oct 2025387 AMAQI
12th Oct 2025348 AMAQI
12th Oct 2025289 AMAQI
12th Oct 20252710 AMAQI
12th Oct 20255211 AMAQI
12th Oct 20254412 PMAQI
12th Oct 2025521 PMAQI
12th Oct 2025532 PMAQI
12th Oct 2025483 PMAQI
12th Oct 2025484 PMAQI
12th Oct 2025485 PMAQI
12th Oct 2025496 PMAQI
12th Oct 2025477 PMAQI
12th Oct 2025508 PMAQI
12th Oct 2025519 PMAQI
12th Oct 20254410 PMAQI
12th Oct 20255411 PMAQI
13th Oct 20255612 AMAQI
13th Oct 2025571 AMAQI
13th Oct 2025632 AMAQI
13th Oct 2025563 AMAQI
13th Oct 2025574 AMAQI
23°C21/26°C
13th Oct 2025585 AMAQI
13th Oct 2025556 AMAQI
13th Oct 2025527 AMAQI
13th Oct 2025518 AMAQI
13th Oct 2025539 AMAQI
13th Oct 20255310 AMAQI
13th Oct 20255111 AMAQI
13th Oct 20255412 PMAQI
13th Oct 2025621 PMAQI
13th Oct 2025622 PMAQI
13th Oct 2025623 PMAQI
13th Oct 2025594 PMAQI
13th Oct 2025605 PMAQI
13th Oct 2025586 PMAQI
13th Oct 2025557 PMAQI
13th Oct 2025538 PMAQI
13th Oct 2025489 PMAQI
13th Oct 20254810 PMAQI
13th Oct 20253911 PMAQI
14th Oct 20254612 AMAQI
14th Oct 2025461 AMAQI
14th Oct 2025472 AMAQI
14th Oct 2025433 AMAQI
14th Oct 2025434 AMAQI
26°C23/31°C
14th Oct 2025445 AMAQI
14th Oct 2025416 AMAQI
14th Oct 2025427 AMAQI
14th Oct 2025448 AMAQI
14th Oct 2025459 AMAQI
14th Oct 20254510 AMAQI
14th Oct 20254511 AMAQI
14th Oct 20254612 PMAQI
14th Oct 2025431 PMAQI
14th Oct 2025442 PMAQI
14th Oct 2025583 PMAQI
14th Oct 2025564 PMAQI
14th Oct 2025555 PMAQI
14th Oct 2025496 PMAQI
14th Oct 2025527 PMAQI
14th Oct 2025558 PMAQI
14th Oct 2025549 PMAQI
14th Oct 20255510 PMAQI
14th Oct 20255511 PMAQI
15th Oct 20255612 AMAQI
15th Oct 2025571 AMAQI
15th Oct 2025582 AMAQI
15th Oct 2025583 AMAQI
15th Oct 2025564 AMAQI
20°C17/21°C
15th Oct 2025555 AMAQI
15th Oct 2025526 AMAQI
15th Oct 2025447 AMAQI
15th Oct 2025358 AMAQI
15th Oct 2025359 AMAQI
15th Oct 20253910 AMAQI
15th Oct 20252211 AMAQI
15th Oct 20253512 PMAQI
15th Oct 2025321 PMAQI
15th Oct 2025352 PMAQI
15th Oct 2025323 PMAQI
15th Oct 2025364 PMAQI
15th Oct 2025455 PMAQI
15th Oct 2025456 PMAQI
15th Oct 2025427 PMAQI
15th Oct 2025488 PMAQI
15th Oct 2025499 PMAQI
15th Oct 20255210 PMAQI
15th Oct 20255111 PMAQI
16th Oct 20255412 AMAQI
16th Oct 2025501 AMAQI
16th Oct 2025462 AMAQI
16th Oct 2025433 AMAQI
16th Oct 2025444 AMAQI
19°C18/20°C
16th Oct 2025485 AMAQI
16th Oct 2025416 AMAQI
16th Oct 2025367 AMAQI
16th Oct 2025308 AMAQI
16th Oct 2025349 AMAQI
16th Oct 20252710 AMAQI
16th Oct 20253411 AMAQI
16th Oct 20254112 PMAQI
16th Oct 2025481 PMAQI
16th Oct 2025402 PMAQI
16th Oct 2025223 PMAQI
16th Oct 2025404 PMAQI
16th Oct 2025485 PMAQI
16th Oct 2025476 PMAQI
16th Oct 2025507 PMAQI
16th Oct 2025518 PMAQI
16th Oct 2025479 PMAQI
16th Oct 20254710 PMAQI
16th Oct 20254811 PMAQI
17th Oct 20255312 AMAQI
17th Oct 2025441 AMAQI
17th Oct 2025452 AMAQI
17th Oct 2025483 AMAQI
17th Oct 2025484 AMAQI
--°C/°C
17th Oct 2025485 AMAQI
5 AM11 AM
5 PM
11 PM
4 AM
--°C/°C
Day time
Avg. Highest Time
11 AM - 5 PM
41AQI
7 hours / Day
210 hours / Month
Avg. Lowest Time
6 AM - 10 AM
38AQI
5 hours / Day
150 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 11 AM to 5 PM (Avg. 41), while the lowest AQI was between 6 AM to 10 AM (Avg. 38).
Night time
Avg. Highest Time
12 AM - 7 PM
42AQI
7 hours / Day
210 hours / Month
Avg. Lowest Time
8 PM - 11 PM
40AQI
4 hours / Day
120 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 7 PM (Avg. 42), while the lowest AQI was between 8 PM to 11 PM (Avg. 40).
2025 Days Vs Air Quality
Iwata, Shizuoka, Japan
2025
86%
247
14%
40
0.3%
1
Total number of days with different AQI categories in last 289 days in 2025 (76 days remaining)
Good
247 DaysModerate
40 DaysPoor
1 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 86%
Health Risk Level:
Low
In 2025, 86% of 289 days were within WHO’s safe air quality limits. The risk of health issues is Low, but the long-term effects, especially on vulnerable individuals, remain uncertain.
Annual Air Quality Insights
Iwata, Shizuoka, 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.
-1th undefined 2025
-1th undefined 2025
-1th undefined 2025
1st January 2025
30AQI
30AQI
2nd January 2025
32AQI
32AQI
3rd January 2025
31AQI
31AQI
4th January 2025
29AQI
29AQI
5th January 2025
29AQI
29AQI
6th January 2025
26AQI
26AQI
7th January 2025
33AQI
33AQI
8th January 2025
25AQI
25AQI
9th January 2025
30AQI
30AQI
10th January 2025
25AQI
25AQI
11th January 2025
28AQI
28AQI
12th January 2025
26AQI
26AQI
13th January 2025
29AQI
29AQI
14th January 2025
39AQI
39AQI
15th January 2025
37AQI
37AQI
16th January 2025
29AQI
29AQI
17th January 2025
30AQI
30AQI
18th January 2025
26AQI
26AQI
19th January 2025
26AQI
26AQI
20th January 2025
31AQI
31AQI
21st January 2025
31AQI
31AQI
22nd January 2025
33AQI
33AQI
23rd January 2025
54AQI
54AQI
24th January 2025
48AQI
48AQI
25th January 2025
41AQI
41AQI
26th January 2025
38AQI
38AQI
27th January 2025
27AQI
27AQI
28th January 2025
35AQI
35AQI
29th January 2025
29AQI
29AQI
30th January 2025
32AQI
32AQI
31st January 2025
41AQI
41AQI
1st February 2025
37AQI
37AQI
2nd February 2025
31AQI
31AQI
3rd February 2025
37AQI
37AQI
4th February 2025
31AQI
31AQI
5th February 2025
33AQI
33AQI
6th February 2025
30AQI
30AQI
7th February 2025
33AQI
33AQI
8th February 2025
30AQI
30AQI
9th February 2025
31AQI
31AQI
10th February 2025
31AQI
31AQI
11th February 2025
32AQI
32AQI
12th February 2025
29AQI
29AQI
13th February 2025
32AQI
32AQI
14th February 2025
31AQI
31AQI
15th February 2025
31AQI
31AQI
16th February 2025
36AQI
36AQI
17th February 2025
39AQI
39AQI
18th February 2025
32AQI
32AQI
19th February 2025
32AQI
32AQI
20th February 2025
31AQI
31AQI
21st February 2025
31AQI
31AQI
22nd February 2025
32AQI
32AQI
23rd February 2025
33AQI
33AQI
24th February 2025
33AQI
33AQI
25th February 2025
37AQI
37AQI
26th February 2025
37AQI
37AQI
27th February 2025
42AQI
42AQI
28th February 2025
49AQI
49AQI
1st March 2025
46AQI
46AQI
2nd March 2025
50AQI
50AQI
3rd March 2025
39AQI
39AQI
4th March 2025
37AQI
37AQI
5th March 2025
26AQI
26AQI
6th March 2025
31AQI
31AQI
7th March 2025
31AQI
31AQI
8th March 2025
31AQI
31AQI
9th March 2025
34AQI
34AQI
10th March 2025
35AQI
35AQI
11th March 2025
32AQI
32AQI
12th March 2025
29AQI
29AQI
13th March 2025
45AQI
45AQI
14th March 2025
33AQI
33AQI
15th March 2025
35AQI
35AQI
16th March 2025
20AQI
20AQI
17th March 2025
19AQI
19AQI
18th March 2025
20AQI
20AQI
19th March 2025
17AQI
17AQI
20th March 2025
28AQI
28AQI
21st March 2025
52AQI
52AQI
22nd March 2025
49AQI
49AQI
23rd March 2025
62AQI
62AQI
24th March 2025
59AQI
59AQI
25th March 2025
67AQI
67AQI
26th March 2025
110AQI
110AQI
27th March 2025
73AQI
73AQI
28th March 2025
61AQI
61AQI
29th March 2025
41AQI
41AQI
30th March 2025
39AQI
39AQI
31st March 2025
32AQI
32AQI
1st April 2025
27AQI
27AQI
2nd April 2025
26AQI
26AQI
3rd April 2025
21AQI
21AQI
4th April 2025
20AQI
20AQI
5th April 2025
26AQI
26AQI
6th April 2025
23AQI
23AQI
7th April 2025
33AQI
33AQI
8th April 2025
38AQI
38AQI
9th April 2025
36AQI
36AQI
10th April 2025
48AQI
48AQI
11th April 2025
41AQI
41AQI
12th April 2025
49AQI
49AQI
13th April 2025
27AQI
27AQI
14th April 2025
47AQI
47AQI
15th April 2025
22AQI
22AQI
16th April 2025
39AQI
39AQI
17th April 2025
44AQI
44AQI
18th April 2025
51AQI
51AQI
19th April 2025
60AQI
60AQI
20th April 2025
42AQI
42AQI
21st April 2025
48AQI
48AQI
22nd April 2025
37AQI
37AQI
23rd April 2025
34AQI
34AQI
24th April 2025
35AQI
35AQI
25th April 2025
44AQI
44AQI
26th April 2025
47AQI
47AQI
27th April 2025
50AQI
50AQI
28th April 2025
41AQI
41AQI
29th April 2025
45AQI
45AQI
30th April 2025
45AQI
45AQI
1st May 2025
45AQI
45AQI
2nd May 2025
27AQI
27AQI
3rd May 2025
37AQI
37AQI
4th May 2025
32AQI
32AQI
5th May 2025
34AQI
34AQI
6th May 2025
23AQI
23AQI
7th May 2025
30AQI
30AQI
8th May 2025
27AQI
27AQI
9th May 2025
28AQI
28AQI
10th May 2025
23AQI
23AQI
11th May 2025
23AQI
23AQI
12th May 2025
32AQI
32AQI
13th May 2025
42AQI
42AQI
14th May 2025
43AQI
43AQI
15th May 2025
44AQI
44AQI
16th May 2025
42AQI
42AQI
17th May 2025
33AQI
33AQI
18th May 2025
47AQI
47AQI
19th May 2025
44AQI
44AQI
20th May 2025
56AQI
56AQI
21st May 2025
36AQI
36AQI
22nd May 2025
34AQI
34AQI
23rd May 2025
36AQI
36AQI
24th May 2025
35AQI
35AQI
25th May 2025
23AQI
23AQI
26th May 2025
28AQI
28AQI
27th May 2025
25AQI
25AQI
28th May 2025
29AQI
29AQI
29th May 2025
33AQI
33AQI
30th May 2025
27AQI
27AQI
31st May 2025
27AQI
27AQI
1st June 2025
22AQI
22AQI
2nd June 2025
31AQI
31AQI
3rd June 2025
25AQI
25AQI
4th June 2025
35AQI
35AQI
5th June 2025
41AQI
41AQI
6th June 2025
45AQI
45AQI
7th June 2025
50AQI
50AQI
8th June 2025
58AQI
58AQI
9th June 2025
43AQI
43AQI
10th June 2025
29AQI
29AQI
11th June 2025
27AQI
27AQI
12th June 2025
41AQI
41AQI
13th June 2025
42AQI
42AQI
14th June 2025
35AQI
35AQI
15th June 2025
28AQI
28AQI
16th June 2025
34AQI
34AQI
17th June 2025
39AQI
39AQI
18th June 2025
46AQI
46AQI
19th June 2025
50AQI
50AQI
20th June 2025
41AQI
41AQI
21st June 2025
35AQI
35AQI
22nd June 2025
26AQI
26AQI
23rd June 2025
25AQI
25AQI
24th June 2025
23AQI
23AQI
25th June 2025
22AQI
22AQI
26th June 2025
20AQI
20AQI
27th June 2025
31AQI
31AQI
28th June 2025
33AQI
33AQI
29th June 2025
32AQI
32AQI
30th June 2025
36AQI
36AQI
1st July 2025
39AQI
39AQI
2nd July 2025
40AQI
40AQI
3rd July 2025
44AQI
44AQI
4th July 2025
44AQI
44AQI
5th July 2025
69AQI
69AQI
6th July 2025
62AQI
62AQI
7th July 2025
73AQI
73AQI
8th July 2025
81AQI
81AQI
9th July 2025
74AQI
74AQI
10th July 2025
57AQI
57AQI
11th July 2025
55AQI
55AQI
12th July 2025
54AQI
54AQI
13th July 2025
52AQI
52AQI
14th July 2025
46AQI
46AQI
15th July 2025
47AQI
47AQI
16th July 2025
48AQI
48AQI
17th July 2025
49AQI
49AQI
18th July 2025
42AQI
42AQI
19th July 2025
36AQI
36AQI
20th July 2025
33AQI
33AQI
21st July 2025
30AQI
30AQI
22nd July 2025
27AQI
27AQI
23rd July 2025
27AQI
27AQI
24th July 2025
26AQI
26AQI
25th July 2025
26AQI
26AQI
26th July 2025
24AQI
24AQI
27th July 2025
22AQI
22AQI
28th July 2025
24AQI
24AQI
29th July 2025
28AQI
28AQI
30th July 2025
37AQI
37AQI
31st July 2025
33AQI
33AQI
1st August 2025
42AQI
42AQI
2nd August 2025
44AQI
44AQI
3rd August 2025
46AQI
46AQI
4th August 2025
66AQI
66AQI
5th August 2025
50AQI
50AQI
6th August 2025
54AQI
54AQI
7th August 2025
48AQI
48AQI
8th August 2025
46AQI
46AQI
9th August 2025
51AQI
51AQI
10th August 2025
45AQI
45AQI
11th August 2025
39AQI
39AQI
12th August 2025
37AQI
37AQI
13th August 2025
38AQI
38AQI
14th August 2025
36AQI
36AQI
15th August 2025
40AQI
40AQI
16th August 2025
37AQI
37AQI
17th August 2025
41AQI
41AQI
18th August 2025
44AQI
44AQI
19th August 2025
45AQI
45AQI
20th August 2025
45AQI
45AQI
21st August 2025
48AQI
48AQI
22nd August 2025
45AQI
45AQI
23rd August 2025
48AQI
48AQI
24th August 2025
56AQI
56AQI
25th August 2025
57AQI
57AQI
26th August 2025
52AQI
52AQI
27th August 2025
54AQI
54AQI
28th August 2025
51AQI
51AQI
29th August 2025
55AQI
55AQI
30th August 2025
56AQI
56AQI
31st August 2025
55AQI
55AQI
1st September 2025
40AQI
40AQI
2nd September 2025
34AQI
34AQI
3rd September 2025
38AQI
38AQI
4th September 2025
26AQI
26AQI
5th September 2025
24AQI
24AQI
6th September 2025
27AQI
27AQI
7th September 2025
30AQI
30AQI
8th September 2025
35AQI
35AQI
9th September 2025
39AQI
39AQI
10th September 2025
34AQI
34AQI
11th September 2025
29AQI
29AQI
12th September 2025
30AQI
30AQI
13th September 2025
26AQI
26AQI
14th September 2025
35AQI
35AQI
15th September 2025
42AQI
42AQI
16th September 2025
47AQI
47AQI
17th September 2025
51AQI
51AQI
18th September 2025
44AQI
44AQI
19th September 2025
34AQI
34AQI
20th September 2025
33AQI
33AQI
21st September 2025
29AQI
29AQI
22nd September 2025
30AQI
30AQI
23rd September 2025
30AQI
30AQI
24th September 2025
29AQI
29AQI
25th September 2025
43AQI
43AQI
26th September 2025
33AQI
33AQI
27th September 2025
30AQI
30AQI
28th September 2025
27AQI
27AQI
29th September 2025
20AQI
20AQI
30th September 2025
21AQI
21AQI
1st October 2025
18AQI
18AQI
2nd October 2025
41AQI
41AQI
3rd October 2025
45AQI
45AQI
4th October 2025
53AQI
53AQI
5th October 2025
51AQI
51AQI
6th October 2025
42AQI
42AQI
7th October 2025
51AQI
51AQI
8th October 2025
56AQI
56AQI
9th October 2025
60AQI
60AQI
10th October 2025
58AQI
58AQI
11th October 2025
52AQI
52AQI
12th October 2025
45AQI
45AQI
13th October 2025
55AQI
55AQI
14th October 2025
47AQI
47AQI
15th October 2025
47AQI
47AQI
16th October 2025
17th October 2025
18th October 2025
19th October 2025
20th October 2025
21st October 2025
22nd October 2025
23rd October 2025
24th October 2025
25th October 2025
26th October 2025
27th October 2025
28th October 2025
29th October 2025
30th October 2025
31st October 2025
1st November 2025
2nd November 2025
3rd November 2025
4th November 2025
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
32AQI
34AQI
41AQI
38AQI
34AQI
35AQI
44AQI
47AQI
33AQI
48AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202538AQI
30
1
28
24
6
1
28
2
30
1
29
1
22
9
20
11
29
1
7
8
247
40
1
Highest AQI recorded in
October48AQI
Lowest AQI recorded in
January32AQI
202435AQI
31
28
1
26
5
23
7
27
4
28
2
25
6
28
3
28
2
29
2
30
31
334
32
Highest AQI recorded in
April45AQI
Lowest AQI recorded in
December29AQI
202335AQI
29
2
28
29
2
22
8
27
4
25
5
27
4
30
1
29
1
30
1
25
4
31
332
32
Highest AQI recorded in
April46AQI
Lowest AQI recorded in
August26AQI
202235AQI
30
21
1
26
5
23
7
23
8
29
1
23
1
2
27
1
30
1
30
31
295
25
Highest AQI recorded in
May43AQI
Lowest AQI recorded in
August21AQI
202134AQI
29
2
24
4
27
2
2
22
8
26
5
24
6
31
27
4
28
2
31
30
31
330
33
2
Highest AQI recorded in
June41AQI
Lowest AQI recorded in
January28AQI
202033AQI
9
5
17
2
30
1
28
2
31
115
10
Highest AQI recorded in
August46AQI
Lowest AQI recorded in
December26AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2025(Avg.)
38AQILeast Polluted Year Recorded
2020(Avg.)
33AQIIwata's annual 2025 AQI (38) shows an average percentage change of 11.06% (worsened AQI) compared to previous years: 2020 (33), 2021 (34), 2022 (35), 2023 (35), 2024 (35).
