Fukushima, Ina, Nagano, 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
Fukushima, Ina, Nagano, Japan
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
6th Aug 2021
60AQILowest AQI recorded on
20th Aug 2021
15AQISame Day Analysis (3rd August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 3rd highest AQI at 43 of Good air quality, showing improvement over 2024 and 2023 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 3rd Aug - 4th Aug 2025
Fukushima, Ina, Nagano, Japan
AQI
Day
Night
.
4 AM3rd Aug 2025
7 PM
3 AM4th Aug 2025
Day time
Avg. Highest Time
5PM3rd Aug
60AQI
Avg. Lowest Time
7AM3rd Aug
40AQI
Night time
Avg. Highest Time
7PM3rd Aug
59AQI
Avg. Lowest Time
3AM4th Aug
41AQI
In the last 24 hours,
Fukushima's AQI reached its highest point of 60 at 5 PM during the Day, while the lowest point, 40, was recorded at 7 AM during the Day between 3rd Aug and 4th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Fukushima, Ina, Nagano, Japan
JulAug
05th - 06th06th - 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
Day
Night
5th Jul 2025494 AMAQI
5th Jul 2025515 AMAQI
5th Jul 2025516 AMAQI
5th Jul 2025517 AMAQI
5th Jul 2025518 AMAQI
5th Jul 2025559 AMAQI
5th Jul 20255710 AMAQI
5th Jul 20255811 AMAQI
5th Jul 20256412 PMAQI
5th Jul 2025661 PMAQI
5th Jul 2025722 PMAQI
5th Jul 2025723 PMAQI
5th Jul 2025714 PMAQI
5th Jul 2025685 PMAQI
5th Jul 2025686 PMAQI
5th Jul 2025667 PMAQI
5th Jul 2025628 PMAQI
5th Jul 2025549 PMAQI
5th Jul 20255510 PMAQI
5th Jul 20255411 PMAQI
6th Jul 20255312 AMAQI
6th Jul 2025541 AMAQI
6th Jul 2025522 AMAQI
6th Jul 2025523 AMAQI
21°C16/26°C
6th Jul 2025524 AMAQI
6th Jul 2025525 AMAQI
6th Jul 2025526 AMAQI
6th Jul 2025527 AMAQI
6th Jul 2025528 AMAQI
6th Jul 2025549 AMAQI
6th Jul 20255610 AMAQI
6th Jul 20255511 AMAQI
6th Jul 20255412 PMAQI
6th Jul 2025521 PMAQI
6th Jul 2025512 PMAQI
6th Jul 2025483 PMAQI
6th Jul 2025484 PMAQI
6th Jul 2025525 PMAQI
6th Jul 2025536 PMAQI
6th Jul 2025557 PMAQI
6th Jul 2025548 PMAQI
6th Jul 2025549 PMAQI
6th Jul 20255410 PMAQI
6th Jul 20255311 PMAQI
7th Jul 20255312 AMAQI
7th Jul 2025541 AMAQI
7th Jul 2025532 AMAQI
7th Jul 2025533 AMAQI
20°C13/24°C
7th Jul 2025544 AMAQI
7th Jul 2025535 AMAQI
7th Jul 2025536 AMAQI
7th Jul 2025547 AMAQI
7th Jul 2025548 AMAQI
7th Jul 2025559 AMAQI
7th Jul 20255610 AMAQI
7th Jul 20256111 AMAQI
7th Jul 20256012 PMAQI
7th Jul 2025571 PMAQI
7th Jul 2025562 PMAQI
7th Jul 2025553 PMAQI
7th Jul 2025564 PMAQI
7th Jul 2025585 PMAQI
7th Jul 2025606 PMAQI
7th Jul 2025637 PMAQI
7th Jul 2025628 PMAQI
7th Jul 2025589 PMAQI
7th Jul 20255610 PMAQI
7th Jul 20255711 PMAQI
8th Jul 20255612 AMAQI
8th Jul 2025561 AMAQI
8th Jul 2025542 AMAQI
8th Jul 2025543 AMAQI
20°C15/23°C
8th Jul 2025544 AMAQI
8th Jul 2025555 AMAQI
8th Jul 2025556 AMAQI
8th Jul 2025557 AMAQI
8th Jul 2025568 AMAQI
8th Jul 2025539 AMAQI
8th Jul 20255310 AMAQI
8th Jul 20255311 AMAQI
8th Jul 20255712 PMAQI
8th Jul 2025591 PMAQI
8th Jul 2025562 PMAQI
8th Jul 2025583 PMAQI
8th Jul 2025584 PMAQI
8th Jul 2025585 PMAQI
8th Jul 2025606 PMAQI
8th Jul 2025637 PMAQI
8th Jul 2025618 PMAQI
8th Jul 2025649 PMAQI
8th Jul 20256110 PMAQI
8th Jul 20256211 PMAQI
9th Jul 20256112 AMAQI
9th Jul 2025601 AMAQI
9th Jul 2025562 AMAQI
9th Jul 2025573 AMAQI
20°C15/22°C
9th Jul 2025574 AMAQI
9th Jul 2025565 AMAQI
9th Jul 2025566 AMAQI
9th Jul 2025567 AMAQI
9th Jul 2025578 AMAQI
9th Jul 2025559 AMAQI
9th Jul 20255810 AMAQI
9th Jul 20255811 AMAQI
9th Jul 20256012 PMAQI
9th Jul 2025621 PMAQI
9th Jul 2025642 PMAQI
9th Jul 2025653 PMAQI
9th Jul 2025804 PMAQI
9th Jul 2025765 PMAQI
9th Jul 2025796 PMAQI
9th Jul 2025837 PMAQI
9th Jul 2025778 PMAQI
9th Jul 2025629 PMAQI
9th Jul 20256210 PMAQI
9th Jul 20256011 PMAQI
10th Jul 20255812 AMAQI
10th Jul 2025571 AMAQI
10th Jul 2025572 AMAQI
10th Jul 2025583 AMAQI
19°C12/23°C
10th Jul 2025584 AMAQI
10th Jul 2025605 AMAQI
10th Jul 2025606 AMAQI
10th Jul 2025607 AMAQI
10th Jul 2025628 AMAQI
10th Jul 2025629 AMAQI
10th Jul 20256710 AMAQI
10th Jul 20257111 AMAQI
10th Jul 20257612 PMAQI
10th Jul 2025701 PMAQI
10th Jul 2025692 PMAQI
10th Jul 2025683 PMAQI
10th Jul 2025664 PMAQI
10th Jul 2025625 PMAQI
10th Jul 2025586 PMAQI
10th Jul 2025557 PMAQI
10th Jul 2025578 PMAQI
10th Jul 2025589 PMAQI
10th Jul 20255610 PMAQI
10th Jul 20255611 PMAQI
11th Jul 20255612 AMAQI
11th Jul 2025581 AMAQI
11th Jul 2025582 AMAQI
11th Jul 2025583 AMAQI
22°C13/29°C
11th Jul 2025614 AMAQI
11th Jul 2025605 AMAQI
11th Jul 2025606 AMAQI
11th Jul 2025617 AMAQI
11th Jul 2025608 AMAQI
11th Jul 2025309 AMAQI
11th Jul 20252210 AMAQI
11th Jul 20252111 AMAQI
11th Jul 20252712 PMAQI
11th Jul 2025401 PMAQI
11th Jul 2025482 PMAQI
11th Jul 2025473 PMAQI
11th Jul 2025464 PMAQI
11th Jul 2025485 PMAQI
11th Jul 2025486 PMAQI
11th Jul 2025447 PMAQI
11th Jul 2025478 PMAQI
11th Jul 2025569 PMAQI
11th Jul 20255610 PMAQI
11th Jul 20255511 PMAQI
12th Jul 20255512 AMAQI
12th Jul 2025561 AMAQI
12th Jul 2025582 AMAQI
12th Jul 2025583 AMAQI
22°C17/27°C
12th Jul 2025584 AMAQI
12th Jul 2025565 AMAQI
12th Jul 2025566 AMAQI
12th Jul 2025567 AMAQI
12th Jul 2025568 AMAQI
12th Jul 2025309 AMAQI
12th Jul 20252610 AMAQI
12th Jul 20253211 AMAQI
12th Jul 20253412 PMAQI
12th Jul 2025431 PMAQI
12th Jul 2025442 PMAQI
12th Jul 2025443 PMAQI
12th Jul 2025484 PMAQI
12th Jul 2025495 PMAQI
12th Jul 2025486 PMAQI
12th Jul 2025517 PMAQI
12th Jul 2025548 PMAQI
12th Jul 2025559 PMAQI
12th Jul 20255510 PMAQI
12th Jul 20255511 PMAQI
13th Jul 20255512 AMAQI
13th Jul 2025551 AMAQI
13th Jul 2025562 AMAQI
13th Jul 2025573 AMAQI
22°C18/27°C
13th Jul 2025564 AMAQI
13th Jul 2025565 AMAQI
13th Jul 2025576 AMAQI
13th Jul 2025567 AMAQI
13th Jul 2025568 AMAQI
13th Jul 2025419 AMAQI
13th Jul 20252810 AMAQI
13th Jul 20252911 AMAQI
13th Jul 20253612 PMAQI
13th Jul 2025441 PMAQI
13th Jul 2025442 PMAQI
13th Jul 2025413 PMAQI
13th Jul 2025464 PMAQI
13th Jul 2025445 PMAQI
13th Jul 2025496 PMAQI
13th Jul 2025497 PMAQI
13th Jul 2025528 PMAQI
13th Jul 2025549 PMAQI
13th Jul 20255410 PMAQI
13th Jul 20255311 PMAQI
14th Jul 20255412 AMAQI
14th Jul 2025551 AMAQI
14th Jul 2025562 AMAQI
14th Jul 2025563 AMAQI
23°C19/29°C
14th Jul 2025554 AMAQI
14th Jul 2025545 AMAQI
14th Jul 2025546 AMAQI
14th Jul 2025547 AMAQI
14th Jul 2025548 AMAQI
14th Jul 2025419 AMAQI
14th Jul 20253910 AMAQI
14th Jul 20253211 AMAQI
14th Jul 20252712 PMAQI
14th Jul 2025371 PMAQI
14th Jul 2025382 PMAQI
14th Jul 2025383 PMAQI
14th Jul 2025424 PMAQI
14th Jul 2025395 PMAQI
14th Jul 2025366 PMAQI
14th Jul 2025347 PMAQI
14th Jul 2025378 PMAQI
14th Jul 2025519 PMAQI
14th Jul 20255010 PMAQI
14th Jul 20255111 PMAQI
15th Jul 20255212 AMAQI
15th Jul 2025521 AMAQI
15th Jul 2025522 AMAQI
15th Jul 2025543 AMAQI
20°C16/22°C
15th Jul 2025544 AMAQI
15th Jul 2025535 AMAQI
15th Jul 2025526 AMAQI
15th Jul 2025527 AMAQI
15th Jul 2025528 AMAQI
15th Jul 2025249 AMAQI
15th Jul 20251610 AMAQI
15th Jul 20251511 AMAQI
15th Jul 20251912 PMAQI
15th Jul 2025261 PMAQI
15th Jul 2025292 PMAQI
15th Jul 2025303 PMAQI
15th Jul 2025324 PMAQI
15th Jul 2025315 PMAQI
15th Jul 2025316 PMAQI
15th Jul 2025347 PMAQI
15th Jul 2025388 PMAQI
15th Jul 2025489 PMAQI
15th Jul 20255010 PMAQI
15th Jul 20255111 PMAQI
16th Jul 20255012 AMAQI
16th Jul 2025501 AMAQI
16th Jul 2025522 AMAQI
16th Jul 2025523 AMAQI
18°C13/21°C
16th Jul 2025524 AMAQI
16th Jul 2025495 AMAQI
16th Jul 2025506 AMAQI
16th Jul 2025507 AMAQI
16th Jul 2025508 AMAQI
16th Jul 2025399 AMAQI
16th Jul 20253810 AMAQI
16th Jul 20254011 AMAQI
16th Jul 20254812 PMAQI
16th Jul 2025491 PMAQI
16th Jul 2025492 PMAQI
16th Jul 2025453 PMAQI
16th Jul 2025404 PMAQI
16th Jul 2025425 PMAQI
16th Jul 2025436 PMAQI
16th Jul 2025407 PMAQI
16th Jul 2025388 PMAQI
16th Jul 2025469 PMAQI
16th Jul 20254610 PMAQI
16th Jul 20254711 PMAQI
17th Jul 20254712 AMAQI
17th Jul 2025471 AMAQI
17th Jul 2025482 AMAQI
17th Jul 2025503 AMAQI
17°C11/20°C
17th Jul 2025514 AMAQI
17th Jul 2025505 AMAQI
17th Jul 2025526 AMAQI
17th Jul 2025507 AMAQI
17th Jul 2025518 AMAQI
17th Jul 2025229 AMAQI
17th Jul 20251510 AMAQI
17th Jul 20251511 AMAQI
17th Jul 20252212 PMAQI
17th Jul 2025251 PMAQI
17th Jul 2025252 PMAQI
17th Jul 2025293 PMAQI
17th Jul 2025364 PMAQI
17th Jul 2025345 PMAQI
17th Jul 2025346 PMAQI
17th Jul 2025387 PMAQI
17th Jul 2025388 PMAQI
17th Jul 2025449 PMAQI
17th Jul 20254310 PMAQI
17th Jul 20254411 PMAQI
18th Jul 20254412 AMAQI
18th Jul 2025461 AMAQI
18th Jul 2025492 AMAQI
18th Jul 2025493 AMAQI
16°C12/14°C
18th Jul 2025484 AMAQI
18th Jul 2025485 AMAQI
18th Jul 2025466 AMAQI
18th Jul 2025467 AMAQI
18th Jul 2025468 AMAQI
18th Jul 2025259 AMAQI
18th Jul 20251910 AMAQI
18th Jul 20252011 AMAQI
18th Jul 20252312 PMAQI
18th Jul 2025291 PMAQI
18th Jul 2025292 PMAQI
18th Jul 2025283 PMAQI
18th Jul 2025314 PMAQI
18th Jul 2025325 PMAQI
18th Jul 2025326 PMAQI
18th Jul 2025327 PMAQI
18th Jul 2025368 PMAQI
18th Jul 2025429 PMAQI
18th Jul 20254310 PMAQI
18th Jul 20254111 PMAQI
19th Jul 20254212 AMAQI
19th Jul 2025451 AMAQI
19th Jul 2025462 AMAQI
19th Jul 2025463 AMAQI
17°C9/21°C
19th Jul 2025454 AMAQI
19th Jul 2025425 AMAQI
19th Jul 2025436 AMAQI
19th Jul 2025427 AMAQI
19th Jul 2025428 AMAQI
19th Jul 2025269 AMAQI
19th Jul 20252110 AMAQI
19th Jul 20251811 AMAQI
19th Jul 20251612 PMAQI
19th Jul 2025211 PMAQI
19th Jul 2025232 PMAQI
19th Jul 2025223 PMAQI
19th Jul 2025244 PMAQI
19th Jul 2025275 PMAQI
19th Jul 2025286 PMAQI
19th Jul 2025297 PMAQI
19th Jul 2025328 PMAQI
19th Jul 2025369 PMAQI
19th Jul 20253910 PMAQI
19th Jul 20253511 PMAQI
20th Jul 20253712 AMAQI
20th Jul 2025401 AMAQI
20th Jul 2025442 AMAQI
20th Jul 2025443 AMAQI
18°C11/22°C
20th Jul 2025424 AMAQI
20th Jul 2025405 AMAQI
20th Jul 2025406 AMAQI
20th Jul 2025417 AMAQI
20th Jul 2025408 AMAQI
20th Jul 2025349 AMAQI
20th Jul 20252410 AMAQI
20th Jul 20252211 AMAQI
20th Jul 20252212 PMAQI
20th Jul 2025281 PMAQI
20th Jul 2025222 PMAQI
20th Jul 2025233 PMAQI
20th Jul 2025264 PMAQI
20th Jul 2025265 PMAQI
20th Jul 2025276 PMAQI
20th Jul 2025307 PMAQI
20th Jul 2025328 PMAQI
20th Jul 2025369 PMAQI
20th Jul 20253610 PMAQI
20th Jul 20253711 PMAQI
21st Jul 20253512 AMAQI
21st Jul 2025371 AMAQI
21st Jul 2025412 AMAQI
21st Jul 2025423 AMAQI
20°C12/25°C
21st Jul 2025424 AMAQI
21st Jul 2025395 AMAQI
21st Jul 2025396 AMAQI
21st Jul 2025397 AMAQI
21st Jul 2025388 AMAQI
21st Jul 2025289 AMAQI
21st Jul 20252810 AMAQI
21st Jul 20253011 AMAQI
21st Jul 20253012 PMAQI
21st Jul 2025261 PMAQI
21st Jul 2025302 PMAQI
21st Jul 2025303 PMAQI
21st Jul 2025364 PMAQI
21st Jul 2025395 PMAQI
21st Jul 2025406 PMAQI
21st Jul 2025357 PMAQI
21st Jul 2025328 PMAQI
21st Jul 2025369 PMAQI
21st Jul 20253510 PMAQI
21st Jul 20253711 PMAQI
22nd Jul 20253512 AMAQI
22nd Jul 2025381 AMAQI
22nd Jul 2025402 AMAQI
22nd Jul 2025403 AMAQI
20°C14/25°C
22nd Jul 2025394 AMAQI
22nd Jul 2025375 AMAQI
22nd Jul 2025386 AMAQI
22nd Jul 2025387 AMAQI
22nd Jul 2025388 AMAQI
22nd Jul 2025329 AMAQI
22nd Jul 20253310 AMAQI
22nd Jul 20254011 AMAQI
22nd Jul 20254112 PMAQI
22nd Jul 2025371 PMAQI
22nd Jul 2025362 PMAQI
22nd Jul 2025373 PMAQI
22nd Jul 2025414 PMAQI
22nd Jul 2025385 PMAQI
22nd Jul 2025366 PMAQI
22nd Jul 2025347 PMAQI
22nd Jul 2025348 PMAQI
22nd Jul 2025369 PMAQI
22nd Jul 20253510 PMAQI
22nd Jul 20253411 PMAQI
23rd Jul 20253812 AMAQI
23rd Jul 2025391 AMAQI
23rd Jul 2025392 AMAQI
23rd Jul 2025393 AMAQI
20°C14/24°C
23rd Jul 2025384 AMAQI
23rd Jul 2025395 AMAQI
23rd Jul 2025396 AMAQI
23rd Jul 2025397 AMAQI
23rd Jul 2025398 AMAQI
23rd Jul 2025439 AMAQI
23rd Jul 20254310 AMAQI
23rd Jul 20254611 AMAQI
23rd Jul 20255012 PMAQI
23rd Jul 2025451 PMAQI
23rd Jul 2025462 PMAQI
23rd Jul 2025503 PMAQI
23rd Jul 2025524 PMAQI
23rd Jul 2025515 PMAQI
23rd Jul 2025506 PMAQI
23rd Jul 2025437 PMAQI
23rd Jul 2025398 PMAQI
23rd Jul 2025389 PMAQI
23rd Jul 20253910 PMAQI
23rd Jul 20253811 PMAQI
24th Jul 20253812 AMAQI
24th Jul 2025381 AMAQI
24th Jul 2025402 AMAQI
24th Jul 2025403 AMAQI
20°C13/25°C
24th Jul 2025414 AMAQI
24th Jul 2025425 AMAQI
24th Jul 2025426 AMAQI
24th Jul 2025427 AMAQI
24th Jul 2025418 AMAQI
24th Jul 2025499 AMAQI
24th Jul 20255210 AMAQI
24th Jul 20255311 AMAQI
24th Jul 20255312 PMAQI
24th Jul 2025521 PMAQI
24th Jul 2025542 PMAQI
24th Jul 2025533 PMAQI
24th Jul 2025544 PMAQI
24th Jul 2025555 PMAQI
24th Jul 2025466 PMAQI
24th Jul 2025307 PMAQI
24th Jul 2025318 PMAQI
24th Jul 2025349 PMAQI
24th Jul 20253310 PMAQI
24th Jul 20253311 PMAQI
25th Jul 20253412 AMAQI
25th Jul 2025361 AMAQI
25th Jul 2025402 AMAQI
25th Jul 2025403 AMAQI
21°C12/28°C
25th Jul 2025424 AMAQI
25th Jul 2025445 AMAQI
25th Jul 2025446 AMAQI
25th Jul 2025447 AMAQI
25th Jul 2025448 AMAQI
25th Jul 2025309 AMAQI
25th Jul 20252710 AMAQI
25th Jul 20252811 AMAQI
25th Jul 20252712 PMAQI
25th Jul 2025291 PMAQI
25th Jul 2025322 PMAQI
25th Jul 2025323 PMAQI
25th Jul 2025344 PMAQI
25th Jul 2025365 PMAQI
25th Jul 2025366 PMAQI
25th Jul 2025307 PMAQI
25th Jul 2025318 PMAQI
25th Jul 2025359 PMAQI
25th Jul 20253310 PMAQI
25th Jul 20253411 PMAQI
26th Jul 20253212 AMAQI
26th Jul 2025361 AMAQI
26th Jul 2025402 AMAQI
26th Jul 2025403 AMAQI
21°C17/27°C
26th Jul 2025404 AMAQI
26th Jul 2025405 AMAQI
26th Jul 2025406 AMAQI
26th Jul 2025397 AMAQI
26th Jul 2025398 AMAQI
26th Jul 2025309 AMAQI
26th Jul 20252710 AMAQI
26th Jul 20252511 AMAQI
26th Jul 20252612 PMAQI
26th Jul 2025251 PMAQI
26th Jul 2025242 PMAQI
26th Jul 2025253 PMAQI
26th Jul 2025234 PMAQI
26th Jul 2025245 PMAQI
26th Jul 2025266 PMAQI
26th Jul 2025247 PMAQI
26th Jul 2025268 PMAQI
26th Jul 2025309 PMAQI
26th Jul 20253010 PMAQI
26th Jul 20253011 PMAQI
27th Jul 20253012 AMAQI
27th Jul 2025311 AMAQI
27th Jul 2025362 AMAQI
27th Jul 2025393 AMAQI
19°C13/24°C
27th Jul 2025384 AMAQI
27th Jul 2025375 AMAQI
27th Jul 2025366 AMAQI
27th Jul 2025367 AMAQI
27th Jul 2025378 AMAQI
27th Jul 2025279 AMAQI
27th Jul 20251910 AMAQI
27th Jul 20252311 AMAQI
27th Jul 20252312 PMAQI
27th Jul 2025241 PMAQI
27th Jul 2025282 PMAQI
27th Jul 2025323 PMAQI
27th Jul 2025334 PMAQI
27th Jul 2025295 PMAQI
27th Jul 2025296 PMAQI
27th Jul 2025307 PMAQI
27th Jul 2025338 PMAQI
27th Jul 2025349 PMAQI
27th Jul 20253310 PMAQI
27th Jul 20253111 PMAQI
28th Jul 20253012 AMAQI
28th Jul 2025321 AMAQI
28th Jul 2025362 AMAQI
28th Jul 2025363 AMAQI
19°C12/23°C
28th Jul 2025364 AMAQI
28th Jul 2025355 AMAQI
28th Jul 2025346 AMAQI
28th Jul 2025347 AMAQI
28th Jul 2025348 AMAQI
28th Jul 2025299 AMAQI
28th Jul 20252810 AMAQI
28th Jul 20253011 AMAQI
28th Jul 20253212 PMAQI
28th Jul 2025381 PMAQI
28th Jul 2025412 PMAQI
28th Jul 2025443 PMAQI
28th Jul 2025464 PMAQI
28th Jul 2025465 PMAQI
28th Jul 2025526 PMAQI
28th Jul 2025477 PMAQI
28th Jul 2025448 PMAQI
28th Jul 2025409 PMAQI
28th Jul 20253710 PMAQI
28th Jul 20253711 PMAQI
29th Jul 20253812 AMAQI
29th Jul 2025381 AMAQI
29th Jul 2025352 AMAQI
29th Jul 2025353 AMAQI
20°C13/24°C
29th Jul 2025364 AMAQI
29th Jul 2025365 AMAQI
29th Jul 2025356 AMAQI
29th Jul 2025367 AMAQI
29th Jul 2025358 AMAQI
29th Jul 2025419 AMAQI
29th Jul 20254710 AMAQI
29th Jul 20255111 AMAQI
29th Jul 20255312 PMAQI
29th Jul 2025471 PMAQI
29th Jul 2025462 PMAQI
29th Jul 2025483 PMAQI
29th Jul 2025534 PMAQI
29th Jul 2025545 PMAQI
29th Jul 2025556 PMAQI
29th Jul 2025557 PMAQI
29th Jul 2025568 PMAQI
29th Jul 2025529 PMAQI
29th Jul 20254810 PMAQI
29th Jul 20254911 PMAQI
30th Jul 20254912 AMAQI
30th Jul 2025431 AMAQI
30th Jul 2025392 AMAQI
30th Jul 2025363 AMAQI
21°C13/26°C
30th Jul 2025374 AMAQI
30th Jul 2025395 AMAQI
30th Jul 2025396 AMAQI
30th Jul 2025397 AMAQI
30th Jul 2025408 AMAQI
30th Jul 2025519 AMAQI
30th Jul 20255610 AMAQI
30th Jul 20255311 AMAQI
30th Jul 20255312 PMAQI
30th Jul 2025561 PMAQI
30th Jul 2025562 PMAQI
30th Jul 2025543 PMAQI
30th Jul 2025524 PMAQI
30th Jul 2025565 PMAQI
30th Jul 2025596 PMAQI
30th Jul 2025587 PMAQI
30th Jul 2025608 PMAQI
30th Jul 2025559 PMAQI
30th Jul 20255410 PMAQI
30th Jul 20255311 PMAQI
31st Jul 20255212 AMAQI
31st Jul 2025461 AMAQI
31st Jul 2025422 AMAQI
31st Jul 2025413 AMAQI
22°C13/31°C
31st Jul 2025424 AMAQI
31st Jul 2025425 AMAQI
31st Jul 2025426 AMAQI
31st Jul 2025427 AMAQI
31st Jul 2025428 AMAQI
31st Jul 2025429 AMAQI
31st Jul 20254210 AMAQI
31st Jul 20254411 AMAQI
31st Jul 20254212 PMAQI
31st Jul 2025401 PMAQI
31st Jul 2025372 PMAQI
31st Jul 2025373 PMAQI
31st Jul 2025404 PMAQI
31st Jul 2025445 PMAQI
31st Jul 2025436 PMAQI
31st Jul 2025427 PMAQI
31st Jul 2025448 PMAQI
31st Jul 2025449 PMAQI
31st Jul 20253710 PMAQI
31st Jul 20253811 PMAQI
1st Aug 20254212 AMAQI
1st Aug 2025441 AMAQI
1st Aug 2025332 AMAQI
1st Aug 2025353 AMAQI
20°C12/26°C
1st Aug 2025374 AMAQI
1st Aug 2025355 AMAQI
1st Aug 2025366 AMAQI
1st Aug 2025377 AMAQI
1st Aug 2025408 AMAQI
1st Aug 2025349 AMAQI
1st Aug 20253810 AMAQI
1st Aug 20255011 AMAQI
1st Aug 20255012 PMAQI
1st Aug 2025581 PMAQI
1st Aug 2025482 PMAQI
1st Aug 2025513 PMAQI
1st Aug 2025584 PMAQI
1st Aug 2025565 PMAQI
1st Aug 2025556 PMAQI
1st Aug 2025537 PMAQI
1st Aug 2025478 PMAQI
1st Aug 2025469 PMAQI
1st Aug 20254410 PMAQI
1st Aug 20254211 PMAQI
2nd Aug 20254012 AMAQI
2nd Aug 2025331 AMAQI
2nd Aug 2025372 AMAQI
2nd Aug 2025383 AMAQI
20°C11/25°C
2nd Aug 2025414 AMAQI
2nd Aug 2025425 AMAQI
2nd Aug 2025426 AMAQI
2nd Aug 2025407 AMAQI
2nd Aug 2025428 AMAQI
2nd Aug 2025489 AMAQI
2nd Aug 20254010 AMAQI
2nd Aug 20255011 AMAQI
2nd Aug 20253812 PMAQI
2nd Aug 2025461 PMAQI
2nd Aug 2025512 PMAQI
2nd Aug 2025563 PMAQI
2nd Aug 2025494 PMAQI
2nd Aug 2025505 PMAQI
2nd Aug 2025566 PMAQI
2nd Aug 2025497 PMAQI
2nd Aug 2025468 PMAQI
2nd Aug 2025459 PMAQI
2nd Aug 20254510 PMAQI
2nd Aug 20254511 PMAQI
3rd Aug 20253712 AMAQI
3rd Aug 2025391 AMAQI
3rd Aug 2025412 AMAQI
3rd Aug 2025403 AMAQI
21°C14/26°C
3rd Aug 2025424 AMAQI
3rd Aug 2025435 AMAQI
3rd Aug 2025416 AMAQI
3rd Aug 2025407 AMAQI
3rd Aug 2025418 AMAQI
3rd Aug 2025429 AMAQI
3rd Aug 20255210 AMAQI
3rd Aug 20255011 AMAQI
3rd Aug 20255512 PMAQI
3rd Aug 2025541 PMAQI
3rd Aug 2025542 PMAQI
3rd Aug 2025473 PMAQI
3rd Aug 2025574 PMAQI
3rd Aug 2025605 PMAQI
3rd Aug 2025576 PMAQI
3rd Aug 2025597 PMAQI
3rd Aug 2025578 PMAQI
3rd Aug 2025509 PMAQI
3rd Aug 20254510 PMAQI
3rd Aug 20254611 PMAQI
4th Aug 20254112 AMAQI
4th Aug 2025421 AMAQI
4th Aug 2025412 AMAQI
4th Aug 2025413 AMAQI
20°C14/24°C
4th Aug 2025454 AMAQI
4 AM4th Aug 2025465 AMAQI
4th Aug 2025476 AMAQI
4th Aug 2025447 AMAQI
4th Aug 2025478 AMAQI
4th Aug 2025589 AMAQI
4th Aug 20256010 AMAQI
4th Aug 20256911 AMAQI
11 AM4th Aug 20257212 PMAQI
4th Aug 2025721 PMAQI
4th Aug 2025802 PMAQI
7 PM
11 PM
3 AM
--°C/°C
Day time
Avg. Highest Time
4 AM - 8 AM
46AQI
5 hours / Day
150 hours / Month
Avg. Lowest Time
10 AM
38AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 4 AM to 8 AM (Avg. 46), while the lowest AQI was between 10 AM to 10 AM (Avg. 38).
Night time
Avg. Highest Time
12 AM - 11 PM
45AQI
8 hours / Day
240 hours / Month
Avg. Lowest Time
12 AM - 11 PM
45AQI
8 hours / Day
240 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 11 PM (Avg. 45), while the lowest AQI was between 12 AM to 11 PM (Avg. 45).
2025 Days Vs Air Quality
Fukushima, Ina, Nagano, Japan
2025
86%
184
14%
31
Total number of days with different AQI categories in last 216 days in 2025 (149 days remaining)
Good
184 DaysModerate
31 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 86%
Health Risk Level:
Low
In 2025, 86% of 216 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
Fukushima, Ina, Nagano, 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
30AQI
30AQI
2nd January 2025
30AQI
30AQI
3rd January 2025
30AQI
30AQI
4th January 2025
29AQI
29AQI
5th January 2025
27AQI
27AQI
6th January 2025
33AQI
33AQI
7th January 2025
28AQI
28AQI
8th January 2025
30AQI
30AQI
9th January 2025
30AQI
30AQI
10th January 2025
26AQI
26AQI
11th January 2025
27AQI
27AQI
12th January 2025
26AQI
26AQI
13th January 2025
28AQI
28AQI
14th January 2025
30AQI
30AQI
15th January 2025
32AQI
32AQI
16th January 2025
27AQI
27AQI
17th January 2025
29AQI
29AQI
18th January 2025
28AQI
28AQI
19th January 2025
31AQI
31AQI
20th January 2025
32AQI
32AQI
21st January 2025
34AQI
34AQI
22nd January 2025
36AQI
36AQI
23rd January 2025
45AQI
45AQI
24th January 2025
55AQI
55AQI
25th January 2025
40AQI
40AQI
26th January 2025
38AQI
38AQI
27th January 2025
31AQI
31AQI
28th January 2025
30AQI
30AQI
29th January 2025
35AQI
35AQI
30th January 2025
31AQI
31AQI
31st January 2025
37AQI
37AQI
1st February 2025
45AQI
45AQI
2nd February 2025
53AQI
53AQI
3rd February 2025
39AQI
39AQI
4th February 2025
39AQI
39AQI
5th February 2025
35AQI
35AQI
6th February 2025
32AQI
32AQI
7th February 2025
35AQI
35AQI
8th February 2025
31AQI
31AQI
9th February 2025
35AQI
35AQI
10th February 2025
30AQI
30AQI
11th February 2025
33AQI
33AQI
12th February 2025
31AQI
31AQI
13th February 2025
32AQI
32AQI
14th February 2025
32AQI
32AQI
15th February 2025
32AQI
32AQI
16th February 2025
43AQI
43AQI
17th February 2025
43AQI
43AQI
18th February 2025
38AQI
38AQI
19th February 2025
34AQI
34AQI
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
35AQI
35AQI
26th February 2025
36AQI
36AQI
27th February 2025
41AQI
41AQI
28th February 2025
41AQI
41AQI
1st March 2025
43AQI
43AQI
2nd March 2025
45AQI
45AQI
3rd March 2025
37AQI
37AQI
4th March 2025
35AQI
35AQI
5th March 2025
36AQI
36AQI
6th March 2025
33AQI
33AQI
7th March 2025
37AQI
37AQI
8th March 2025
35AQI
35AQI
9th March 2025
35AQI
35AQI
10th March 2025
37AQI
37AQI
11th March 2025
33AQI
33AQI
12th March 2025
30AQI
30AQI
13th March 2025
42AQI
42AQI
14th March 2025
39AQI
39AQI
15th March 2025
40AQI
40AQI
16th March 2025
32AQI
32AQI
17th March 2025
27AQI
27AQI
18th March 2025
26AQI
26AQI
19th March 2025
22AQI
22AQI
20th March 2025
29AQI
29AQI
21st March 2025
44AQI
44AQI
22nd March 2025
49AQI
49AQI
23rd March 2025
58AQI
58AQI
24th March 2025
61AQI
61AQI
25th March 2025
73AQI
73AQI
26th March 2025
94AQI
94AQI
27th March 2025
69AQI
69AQI
28th March 2025
51AQI
51AQI
29th March 2025
39AQI
39AQI
30th March 2025
37AQI
37AQI
31st March 2025
29AQI
29AQI
1st April 2025
27AQI
27AQI
2nd April 2025
24AQI
24AQI
3rd April 2025
22AQI
22AQI
4th April 2025
23AQI
23AQI
5th April 2025
28AQI
28AQI
6th April 2025
27AQI
27AQI
7th April 2025
34AQI
34AQI
8th April 2025
39AQI
39AQI
9th April 2025
27AQI
27AQI
10th April 2025
43AQI
43AQI
11th April 2025
38AQI
38AQI
12th April 2025
42AQI
42AQI
13th April 2025
28AQI
28AQI
14th April 2025
36AQI
36AQI
15th April 2025
21AQI
21AQI
16th April 2025
31AQI
31AQI
17th April 2025
42AQI
42AQI
18th April 2025
52AQI
52AQI
19th April 2025
66AQI
66AQI
20th April 2025
56AQI
56AQI
21st April 2025
43AQI
43AQI
22nd April 2025
47AQI
47AQI
23rd April 2025
28AQI
28AQI
24th April 2025
30AQI
30AQI
25th April 2025
39AQI
39AQI
26th April 2025
45AQI
45AQI
27th April 2025
47AQI
47AQI
28th April 2025
46AQI
46AQI
29th April 2025
40AQI
40AQI
30th April 2025
51AQI
51AQI
1st May 2025
46AQI
46AQI
2nd May 2025
34AQI
34AQI
3rd May 2025
34AQI
34AQI
4th May 2025
36AQI
36AQI
5th May 2025
38AQI
38AQI
6th May 2025
30AQI
30AQI
7th May 2025
30AQI
30AQI
8th May 2025
34AQI
34AQI
9th May 2025
31AQI
31AQI
10th May 2025
26AQI
26AQI
11th May 2025
25AQI
25AQI
12th May 2025
31AQI
31AQI
13th May 2025
37AQI
37AQI
14th May 2025
45AQI
45AQI
15th May 2025
49AQI
49AQI
16th May 2025
50AQI
50AQI
17th May 2025
31AQI
31AQI
18th May 2025
47AQI
47AQI
19th May 2025
43AQI
43AQI
20th May 2025
61AQI
61AQI
21st May 2025
64AQI
64AQI
22nd May 2025
51AQI
51AQI
23rd May 2025
55AQI
55AQI
24th May 2025
49AQI
49AQI
25th May 2025
40AQI
40AQI
26th May 2025
34AQI
34AQI
27th May 2025
32AQI
32AQI
28th May 2025
28AQI
28AQI
29th May 2025
37AQI
37AQI
30th May 2025
25AQI
25AQI
31st May 2025
22AQI
22AQI
1st June 2025
21AQI
21AQI
2nd June 2025
33AQI
33AQI
3rd June 2025
28AQI
28AQI
4th June 2025
31AQI
31AQI
5th June 2025
35AQI
35AQI
6th June 2025
43AQI
43AQI
7th June 2025
52AQI
52AQI
8th June 2025
56AQI
56AQI
9th June 2025
55AQI
55AQI
10th June 2025
34AQI
34AQI
11th June 2025
28AQI
28AQI
12th June 2025
37AQI
37AQI
13th June 2025
46AQI
46AQI
14th June 2025
53AQI
53AQI
15th June 2025
49AQI
49AQI
16th June 2025
38AQI
38AQI
17th June 2025
39AQI
39AQI
18th June 2025
44AQI
44AQI
19th June 2025
48AQI
48AQI
20th June 2025
53AQI
53AQI
21st June 2025
52AQI
52AQI
22nd June 2025
53AQI
53AQI
23rd June 2025
41AQI
41AQI
24th June 2025
40AQI
40AQI
25th June 2025
37AQI
37AQI
26th June 2025
34AQI
34AQI
27th June 2025
36AQI
36AQI
28th June 2025
38AQI
38AQI
29th June 2025
40AQI
40AQI
30th June 2025
46AQI
46AQI
1st July 2025
50AQI
50AQI
2nd July 2025
48AQI
48AQI
3rd July 2025
47AQI
47AQI
4th July 2025
49AQI
49AQI
5th July 2025
56AQI
56AQI
6th July 2025
53AQI
53AQI
7th July 2025
56AQI
56AQI
8th July 2025
57AQI
57AQI
9th July 2025
62AQI
62AQI
10th July 2025
60AQI
60AQI
11th July 2025
51AQI
51AQI
12th July 2025
51AQI
51AQI
13th July 2025
50AQI
50AQI
14th July 2025
47AQI
47AQI
15th July 2025
42AQI
42AQI
16th July 2025
47AQI
47AQI
17th July 2025
40AQI
40AQI
18th July 2025
39AQI
39AQI
19th July 2025
34AQI
34AQI
20th July 2025
34AQI
34AQI
21st July 2025
36AQI
36AQI
22nd July 2025
37AQI
37AQI
23rd July 2025
42AQI
42AQI
24th July 2025
43AQI
43AQI
25th July 2025
35AQI
35AQI
26th July 2025
31AQI
31AQI
27th July 2025
32AQI
32AQI
28th July 2025
38AQI
38AQI
29th July 2025
45AQI
45AQI
30th July 2025
49AQI
49AQI
31st July 2025
42AQI
42AQI
1st August 2025
44AQI
44AQI
2nd August 2025
44AQI
44AQI
3rd August 2025
43AQI
43AQI
32AQI
36AQI
42AQI
37AQI
39AQI
41AQI
45AQI
44AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202539AQI
30
1
27
1
25
6
26
4
27
4
23
7
23
8
3
184
31
Highest AQI recorded in
July45AQI
Lowest AQI recorded in
January32AQI
202434AQI
31
29
29
2
20
10
31
19
11
28
3
28
3
26
4
31
30
31
333
33
Highest AQI recorded in
April45AQI
Lowest AQI recorded in
January26AQI
202336AQI
31
28
29
2
24
6
28
3
26
4
23
8
27
4
25
5
31
27
2
31
330
34
Highest AQI recorded in
July46AQI
Lowest AQI recorded in
January28AQI
202234AQI
3
21
27
4
23
7
25
6
24
6
22
2
1
26
2
31
30
31
264
27
Highest AQI recorded in
May42AQI
Lowest AQI recorded in
December25AQI
202131AQI
29
2
26
2
29
20
1
29
2
23
7
29
2
29
2
30
31
29
1
31
335
19
Highest AQI recorded in
June42AQI
Lowest AQI recorded in
January21AQI
202029AQI
13
20
1
18
24
6
30
1
16
14
1
19
31
30
31
232
22
1
Highest AQI recorded in
August52AQI
Lowest AQI recorded in
December17AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2025(Avg.)
39AQILeast Polluted Year Recorded
2020(Avg.)
29AQIFukushima's annual 2025 AQI (39) shows an average percentage change of 19.2% (worsened AQI) compared to previous years: 2020 (29), 2021 (31), 2022 (34), 2023 (36), 2024 (34).
