Nakano, Aizawa, Kanagawa, 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
Nakano, Aizawa, Kanagawa, Japan
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
28th Aug 2021
76AQILowest AQI recorded on
30th Aug 2024
15AQISame Day Analysis (4th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 54 of Moderate 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
Nakano, Aizawa, Kanagawa, Japan
AQI
Day
Night
.
4 AM4th Aug 2025
6 PM
3 AM5th Aug 2025
Day time
Avg. Highest Time
5PM4th Aug
96AQI
Avg. Lowest Time
4AM4th Aug
43AQI
Night time
Avg. Highest Time
7PM4th Aug
73AQI
Avg. Lowest Time
3AM5th Aug
42AQI
In the last 24 hours,
Nakano's AQI reached its highest point of 96 at 5 PM during the Day, while the lowest point, 42, was recorded at 3 AM during the Night between 4th Aug and 5th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Nakano, Aizawa, Kanagawa, 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 2025504 AMAQI
6th Jul 2025515 AMAQI
6th Jul 2025526 AMAQI
6th Jul 2025527 AMAQI
6th Jul 2025528 AMAQI
6th Jul 2025549 AMAQI
6th Jul 20256010 AMAQI
6th Jul 20256111 AMAQI
6th Jul 20255512 PMAQI
6th Jul 2025711 PMAQI
6th Jul 2025662 PMAQI
6th Jul 2025663 PMAQI
6th Jul 2025634 PMAQI
6th Jul 2025665 PMAQI
6th Jul 2025726 PMAQI
6th Jul 2025797 PMAQI
6th Jul 2025808 PMAQI
6th Jul 2025699 PMAQI
6th Jul 20256910 PMAQI
6th Jul 20257011 PMAQI
7th Jul 20256712 AMAQI
7th Jul 2025601 AMAQI
7th Jul 2025522 AMAQI
7th Jul 2025523 AMAQI
29°C25/34°C
7th Jul 2025534 AMAQI
7th Jul 2025545 AMAQI
7th Jul 2025546 AMAQI
7th Jul 2025547 AMAQI
7th Jul 2025548 AMAQI
7th Jul 2025749 AMAQI
7th Jul 20258510 AMAQI
7th Jul 20259411 AMAQI
7th Jul 20259412 PMAQI
7th Jul 2025911 PMAQI
7th Jul 2025842 PMAQI
7th Jul 2025593 PMAQI
7th Jul 2025574 PMAQI
7th Jul 2025735 PMAQI
7th Jul 20251126 PMAQI
7th Jul 20251227 PMAQI
7th Jul 20251058 PMAQI
7th Jul 2025829 PMAQI
7th Jul 20258210 PMAQI
7th Jul 20258211 PMAQI
8th Jul 20258012 AMAQI
8th Jul 2025681 AMAQI
8th Jul 2025562 AMAQI
8th Jul 2025563 AMAQI
29°C26/33°C
8th Jul 2025574 AMAQI
8th Jul 2025625 AMAQI
8th Jul 2025626 AMAQI
8th Jul 2025627 AMAQI
8th Jul 2025628 AMAQI
8th Jul 20251009 AMAQI
8th Jul 202512110 AMAQI
8th Jul 202512611 AMAQI
8th Jul 20259912 PMAQI
8th Jul 2025961 PMAQI
8th Jul 2025472 PMAQI
8th Jul 2025483 PMAQI
8th Jul 2025494 PMAQI
8th Jul 2025465 PMAQI
8th Jul 2025696 PMAQI
8th Jul 2025967 PMAQI
8th Jul 2025908 PMAQI
8th Jul 2025799 PMAQI
8th Jul 20258010 PMAQI
8th Jul 20258111 PMAQI
9th Jul 20258012 AMAQI
9th Jul 2025741 AMAQI
9th Jul 2025632 AMAQI
9th Jul 2025643 AMAQI
29°C26/33°C
9th Jul 2025664 AMAQI
9th Jul 2025715 AMAQI
9th Jul 2025716 AMAQI
9th Jul 2025707 AMAQI
9th Jul 2025708 AMAQI
9th Jul 2025839 AMAQI
9th Jul 20259110 AMAQI
9th Jul 20259811 AMAQI
9th Jul 202510212 PMAQI
9th Jul 20251141 PMAQI
9th Jul 20251002 PMAQI
9th Jul 2025563 PMAQI
9th Jul 2025604 PMAQI
9th Jul 2025735 PMAQI
9th Jul 2025906 PMAQI
9th Jul 2025757 PMAQI
9th Jul 2025708 PMAQI
9th Jul 2025689 PMAQI
9th Jul 20256410 PMAQI
9th Jul 20256511 PMAQI
10th Jul 20256512 AMAQI
10th Jul 2025671 AMAQI
10th Jul 2025702 AMAQI
10th Jul 2025703 AMAQI
29°C25/33°C
10th Jul 2025724 AMAQI
10th Jul 2025755 AMAQI
10th Jul 2025756 AMAQI
10th Jul 2025757 AMAQI
10th Jul 2025758 AMAQI
10th Jul 2025539 AMAQI
10th Jul 20255710 AMAQI
10th Jul 20258711 AMAQI
10th Jul 20258812 PMAQI
10th Jul 2025721 PMAQI
10th Jul 2025462 PMAQI
10th Jul 2025383 PMAQI
10th Jul 2025354 PMAQI
10th Jul 2025295 PMAQI
10th Jul 2025286 PMAQI
10th Jul 2025267 PMAQI
10th Jul 2025378 PMAQI
10th Jul 2025579 PMAQI
10th Jul 20255710 PMAQI
10th Jul 20255611 PMAQI
11th Jul 20255612 AMAQI
11th Jul 2025641 AMAQI
11th Jul 2025702 AMAQI
11th Jul 2025713 AMAQI
28°C23/34°C
11th Jul 2025704 AMAQI
11th Jul 2025705 AMAQI
11th Jul 2025696 AMAQI
11th Jul 2025707 AMAQI
11th Jul 2025698 AMAQI
11th Jul 2025329 AMAQI
11th Jul 20251810 AMAQI
11th Jul 20251811 AMAQI
11th Jul 20252112 PMAQI
11th Jul 2025261 PMAQI
11th Jul 2025262 PMAQI
11th Jul 2025283 PMAQI
11th Jul 2025304 PMAQI
11th Jul 2025315 PMAQI
11th Jul 2025286 PMAQI
11th Jul 2025287 PMAQI
11th Jul 2025398 PMAQI
11th Jul 2025549 PMAQI
11th Jul 20255410 PMAQI
11th Jul 20255411 PMAQI
12th Jul 20255412 AMAQI
12th Jul 2025591 AMAQI
12th Jul 2025662 AMAQI
12th Jul 2025673 AMAQI
23°C22/24°C
12th Jul 2025644 AMAQI
12th Jul 2025605 AMAQI
12th Jul 2025606 AMAQI
12th Jul 2025607 AMAQI
12th Jul 2025618 AMAQI
12th Jul 2025399 AMAQI
12th Jul 20253410 AMAQI
12th Jul 20253611 AMAQI
12th Jul 20253612 PMAQI
12th Jul 2025361 PMAQI
12th Jul 2025412 PMAQI
12th Jul 2025443 PMAQI
12th Jul 2025464 PMAQI
12th Jul 2025525 PMAQI
12th Jul 2025546 PMAQI
12th Jul 2025537 PMAQI
12th Jul 2025568 PMAQI
12th Jul 2025599 PMAQI
12th Jul 20255810 PMAQI
12th Jul 20255711 PMAQI
13th Jul 20255612 AMAQI
13th Jul 2025581 AMAQI
13th Jul 2025612 AMAQI
13th Jul 2025613 AMAQI
24°C20/28°C
13th Jul 2025604 AMAQI
13th Jul 2025585 AMAQI
13th Jul 2025586 AMAQI
13th Jul 2025587 AMAQI
13th Jul 2025588 AMAQI
13th Jul 2025559 AMAQI
13th Jul 20255210 AMAQI
13th Jul 20255311 AMAQI
13th Jul 20255312 PMAQI
13th Jul 2025521 PMAQI
13th Jul 2025522 PMAQI
13th Jul 2025523 PMAQI
13th Jul 2025384 PMAQI
13th Jul 2025365 PMAQI
13th Jul 2025346 PMAQI
13th Jul 2025347 PMAQI
13th Jul 2025398 PMAQI
13th Jul 2025519 PMAQI
13th Jul 20254910 PMAQI
13th Jul 20255011 PMAQI
14th Jul 20255012 AMAQI
14th Jul 2025551 AMAQI
14th Jul 2025592 AMAQI
14th Jul 2025593 AMAQI
26°C23/29°C
14th Jul 2025584 AMAQI
14th Jul 2025585 AMAQI
14th Jul 2025586 AMAQI
14th Jul 2025587 AMAQI
14th Jul 2025588 AMAQI
14th Jul 2025399 AMAQI
14th Jul 20252810 AMAQI
14th Jul 20252611 AMAQI
14th Jul 20252212 PMAQI
14th Jul 2025221 PMAQI
14th Jul 2025222 PMAQI
14th Jul 2025223 PMAQI
14th Jul 2025204 PMAQI
14th Jul 2025245 PMAQI
14th Jul 2025256 PMAQI
14th Jul 2025287 PMAQI
14th Jul 2025308 PMAQI
14th Jul 2025449 PMAQI
14th Jul 20254210 PMAQI
14th Jul 20254211 PMAQI
15th Jul 20254512 AMAQI
15th Jul 2025481 AMAQI
15th Jul 2025572 AMAQI
15th Jul 2025573 AMAQI
25°C23/29°C
15th Jul 2025564 AMAQI
15th Jul 2025545 AMAQI
15th Jul 2025546 AMAQI
15th Jul 2025547 AMAQI
15th Jul 2025548 AMAQI
15th Jul 2025269 AMAQI
15th Jul 20251510 AMAQI
15th Jul 20251611 AMAQI
15th Jul 20252012 PMAQI
15th Jul 2025241 PMAQI
15th Jul 2025222 PMAQI
15th Jul 2025243 PMAQI
15th Jul 2025284 PMAQI
15th Jul 2025255 PMAQI
15th Jul 2025256 PMAQI
15th Jul 2025237 PMAQI
15th Jul 2025238 PMAQI
15th Jul 2025379 PMAQI
15th Jul 20253710 PMAQI
15th Jul 20253711 PMAQI
16th Jul 20254012 AMAQI
16th Jul 2025461 AMAQI
16th Jul 2025542 AMAQI
16th Jul 2025543 AMAQI
26°C25/30°C
16th Jul 2025524 AMAQI
16th Jul 2025505 AMAQI
16th Jul 2025506 AMAQI
16th Jul 2025507 AMAQI
16th Jul 2025508 AMAQI
16th Jul 2025529 AMAQI
16th Jul 20255110 AMAQI
16th Jul 20255411 AMAQI
16th Jul 20255012 PMAQI
16th Jul 2025301 PMAQI
16th Jul 2025202 PMAQI
16th Jul 2025243 PMAQI
16th Jul 2025304 PMAQI
16th Jul 2025295 PMAQI
16th Jul 2025206 PMAQI
16th Jul 2025197 PMAQI
16th Jul 2025278 PMAQI
16th Jul 2025379 PMAQI
16th Jul 20253610 PMAQI
16th Jul 20253911 PMAQI
17th Jul 20253812 AMAQI
17th Jul 2025431 AMAQI
17th Jul 2025512 AMAQI
17th Jul 2025513 AMAQI
27°C23/31°C
17th Jul 2025504 AMAQI
17th Jul 2025495 AMAQI
17th Jul 2025486 AMAQI
17th Jul 2025497 AMAQI
17th Jul 2025498 AMAQI
17th Jul 2025259 AMAQI
17th Jul 20252010 AMAQI
17th Jul 20252211 AMAQI
17th Jul 20253012 PMAQI
17th Jul 2025291 PMAQI
17th Jul 2025322 PMAQI
17th Jul 2025323 PMAQI
17th Jul 2025324 PMAQI
17th Jul 2025325 PMAQI
17th Jul 2025326 PMAQI
17th Jul 2025267 PMAQI
17th Jul 2025318 PMAQI
17th Jul 2025419 PMAQI
17th Jul 20254210 PMAQI
17th Jul 20253911 PMAQI
18th Jul 20253812 AMAQI
18th Jul 2025421 AMAQI
18th Jul 2025482 AMAQI
18th Jul 2025483 AMAQI
27°C24/32°C
18th Jul 2025474 AMAQI
18th Jul 2025435 AMAQI
18th Jul 2025446 AMAQI
18th Jul 2025447 AMAQI
18th Jul 2025438 AMAQI
18th Jul 2025259 AMAQI
18th Jul 20251610 AMAQI
18th Jul 20252511 AMAQI
18th Jul 20252612 PMAQI
18th Jul 2025261 PMAQI
18th Jul 2025262 PMAQI
18th Jul 2025203 PMAQI
18th Jul 2025234 PMAQI
18th Jul 2025245 PMAQI
18th Jul 2025256 PMAQI
18th Jul 2025247 PMAQI
18th Jul 2025288 PMAQI
18th Jul 2025389 PMAQI
18th Jul 20253810 PMAQI
18th Jul 20253211 PMAQI
19th Jul 20253212 AMAQI
19th Jul 2025391 AMAQI
19th Jul 2025462 AMAQI
19th Jul 2025463 AMAQI
27°C23/32°C
19th Jul 2025444 AMAQI
19th Jul 2025425 AMAQI
19th Jul 2025416 AMAQI
19th Jul 2025417 AMAQI
19th Jul 2025418 AMAQI
19th Jul 2025309 AMAQI
19th Jul 20253410 AMAQI
19th Jul 20252611 AMAQI
19th Jul 20252312 PMAQI
19th Jul 2025221 PMAQI
19th Jul 2025202 PMAQI
19th Jul 2025163 PMAQI
19th Jul 2025174 PMAQI
19th Jul 2025165 PMAQI
19th Jul 2025176 PMAQI
19th Jul 2025167 PMAQI
19th Jul 2025218 PMAQI
19th Jul 2025269 PMAQI
19th Jul 20252610 PMAQI
19th Jul 20252611 PMAQI
20th Jul 20252712 AMAQI
20th Jul 2025351 AMAQI
20th Jul 2025422 AMAQI
20th Jul 2025423 AMAQI
27°C24/32°C
20th Jul 2025414 AMAQI
20th Jul 2025385 AMAQI
20th Jul 2025386 AMAQI
20th Jul 2025387 AMAQI
20th Jul 2025388 AMAQI
20th Jul 2025339 AMAQI
20th Jul 20253410 AMAQI
20th Jul 20253711 AMAQI
20th Jul 20253612 PMAQI
20th Jul 2025281 PMAQI
20th Jul 2025202 PMAQI
20th Jul 2025163 PMAQI
20th Jul 2025164 PMAQI
20th Jul 2025165 PMAQI
20th Jul 2025156 PMAQI
20th Jul 2025207 PMAQI
20th Jul 2025308 PMAQI
20th Jul 2025329 PMAQI
20th Jul 20253410 PMAQI
20th Jul 20253411 PMAQI
21st Jul 20253612 AMAQI
21st Jul 2025361 AMAQI
21st Jul 2025402 AMAQI
21st Jul 2025403 AMAQI
29°C24/33°C
21st Jul 2025384 AMAQI
21st Jul 2025375 AMAQI
21st Jul 2025376 AMAQI
21st Jul 2025377 AMAQI
21st Jul 2025378 AMAQI
21st Jul 2025369 AMAQI
21st Jul 20254810 AMAQI
21st Jul 20254211 AMAQI
21st Jul 20254412 PMAQI
21st Jul 2025421 PMAQI
21st Jul 2025462 PMAQI
21st Jul 2025363 PMAQI
21st Jul 2025394 PMAQI
21st Jul 2025365 PMAQI
21st Jul 2025316 PMAQI
21st Jul 2025277 PMAQI
21st Jul 2025368 PMAQI
21st Jul 2025319 PMAQI
21st Jul 20252410 PMAQI
21st Jul 20252411 PMAQI
22nd Jul 20252612 AMAQI
22nd Jul 2025371 AMAQI
22nd Jul 2025382 AMAQI
22nd Jul 2025383 AMAQI
29°C25/34°C
22nd Jul 2025384 AMAQI
22nd Jul 2025385 AMAQI
22nd Jul 2025386 AMAQI
22nd Jul 2025397 AMAQI
22nd Jul 2025388 AMAQI
22nd Jul 2025479 AMAQI
22nd Jul 20255210 AMAQI
22nd Jul 20255611 AMAQI
22nd Jul 20256012 PMAQI
22nd Jul 2025601 PMAQI
22nd Jul 2025582 PMAQI
22nd Jul 2025503 PMAQI
22nd Jul 2025444 PMAQI
22nd Jul 2025345 PMAQI
22nd Jul 2025176 PMAQI
22nd Jul 2025167 PMAQI
22nd Jul 2025208 PMAQI
22nd Jul 2025259 PMAQI
22nd Jul 20252510 PMAQI
22nd Jul 20252511 PMAQI
23rd Jul 20253112 AMAQI
23rd Jul 2025381 AMAQI
23rd Jul 2025382 AMAQI
23rd Jul 2025383 AMAQI
30°C26/35°C
23rd Jul 2025394 AMAQI
23rd Jul 2025425 AMAQI
23rd Jul 2025426 AMAQI
23rd Jul 2025427 AMAQI
23rd Jul 2025428 AMAQI
23rd Jul 2025279 AMAQI
23rd Jul 20252510 AMAQI
23rd Jul 20253611 AMAQI
23rd Jul 20256712 PMAQI
23rd Jul 2025671 PMAQI
23rd Jul 2025642 PMAQI
23rd Jul 2025573 PMAQI
23rd Jul 2025534 PMAQI
23rd Jul 2025505 PMAQI
23rd Jul 2025466 PMAQI
23rd Jul 2025407 PMAQI
23rd Jul 2025368 PMAQI
23rd Jul 2025459 PMAQI
23rd Jul 20254410 PMAQI
23rd Jul 20254411 PMAQI
24th Jul 20254012 AMAQI
24th Jul 2025451 AMAQI
24th Jul 2025412 AMAQI
24th Jul 2025403 AMAQI
30°C26/35°C
24th Jul 2025434 AMAQI
24th Jul 2025445 AMAQI
24th Jul 2025446 AMAQI
24th Jul 2025457 AMAQI
24th Jul 2025448 AMAQI
24th Jul 2025559 AMAQI
24th Jul 20256310 AMAQI
24th Jul 20256411 AMAQI
24th Jul 20256212 PMAQI
24th Jul 2025561 PMAQI
24th Jul 2025612 PMAQI
24th Jul 2025583 PMAQI
24th Jul 2025494 PMAQI
24th Jul 2025435 PMAQI
24th Jul 2025366 PMAQI
24th Jul 2025327 PMAQI
24th Jul 2025388 PMAQI
24th Jul 2025419 PMAQI
24th Jul 20254710 PMAQI
24th Jul 20254411 PMAQI
25th Jul 20255112 AMAQI
25th Jul 2025471 AMAQI
25th Jul 2025442 AMAQI
25th Jul 2025443 AMAQI
30°C26/35°C
25th Jul 2025474 AMAQI
25th Jul 2025495 AMAQI
25th Jul 2025496 AMAQI
25th Jul 2025497 AMAQI
25th Jul 2025508 AMAQI
25th Jul 2025549 AMAQI
25th Jul 20254510 AMAQI
25th Jul 20253411 AMAQI
25th Jul 20255612 PMAQI
25th Jul 2025421 PMAQI
25th Jul 2025492 PMAQI
25th Jul 2025463 PMAQI
25th Jul 2025324 PMAQI
25th Jul 2025325 PMAQI
25th Jul 2025306 PMAQI
25th Jul 2025257 PMAQI
25th Jul 2025398 PMAQI
25th Jul 2025439 PMAQI
25th Jul 20254510 PMAQI
25th Jul 20254111 PMAQI
26th Jul 20254512 AMAQI
26th Jul 2025421 AMAQI
26th Jul 2025472 AMAQI
26th Jul 2025473 AMAQI
30°C26/35°C
26th Jul 2025484 AMAQI
26th Jul 2025495 AMAQI
26th Jul 2025496 AMAQI
26th Jul 2025487 AMAQI
26th Jul 2025488 AMAQI
26th Jul 2025489 AMAQI
26th Jul 20255510 AMAQI
26th Jul 20255411 AMAQI
26th Jul 20254812 PMAQI
26th Jul 2025471 PMAQI
26th Jul 2025482 PMAQI
26th Jul 2025323 PMAQI
26th Jul 2025254 PMAQI
26th Jul 2025355 PMAQI
26th Jul 2025276 PMAQI
26th Jul 2025297 PMAQI
26th Jul 2025348 PMAQI
26th Jul 2025389 PMAQI
26th Jul 20254010 PMAQI
26th Jul 20254211 PMAQI
27th Jul 20254112 AMAQI
27th Jul 2025391 AMAQI
27th Jul 2025472 AMAQI
27th Jul 2025473 AMAQI
30°C26/36°C
27th Jul 2025474 AMAQI
27th Jul 2025485 AMAQI
27th Jul 2025486 AMAQI
27th Jul 2025487 AMAQI
27th Jul 2025478 AMAQI
27th Jul 2025429 AMAQI
27th Jul 20254110 AMAQI
27th Jul 20254511 AMAQI
27th Jul 20254012 PMAQI
27th Jul 2025451 PMAQI
27th Jul 2025442 PMAQI
27th Jul 2025343 PMAQI
27th Jul 2025364 PMAQI
27th Jul 2025315 PMAQI
27th Jul 2025296 PMAQI
27th Jul 2025327 PMAQI
27th Jul 2025328 PMAQI
27th Jul 2025369 PMAQI
27th Jul 20253610 PMAQI
27th Jul 20253711 PMAQI
28th Jul 20253412 AMAQI
28th Jul 2025341 AMAQI
28th Jul 2025472 AMAQI
28th Jul 2025463 AMAQI
30°C26/35°C
28th Jul 2025464 AMAQI
28th Jul 2025455 AMAQI
28th Jul 2025446 AMAQI
28th Jul 2025447 AMAQI
28th Jul 2025448 AMAQI
28th Jul 2025409 AMAQI
28th Jul 20254210 AMAQI
28th Jul 20254811 AMAQI
28th Jul 20255212 PMAQI
28th Jul 2025521 PMAQI
28th Jul 2025522 PMAQI
28th Jul 2025313 PMAQI
28th Jul 2025294 PMAQI
28th Jul 2025285 PMAQI
28th Jul 2025246 PMAQI
28th Jul 2025187 PMAQI
28th Jul 2025238 PMAQI
28th Jul 2025279 PMAQI
28th Jul 20252710 PMAQI
28th Jul 20253011 PMAQI
29th Jul 20254012 AMAQI
29th Jul 2025401 AMAQI
29th Jul 2025422 AMAQI
29th Jul 2025423 AMAQI
30°C26/35°C
29th Jul 2025424 AMAQI
29th Jul 2025445 AMAQI
29th Jul 2025436 AMAQI
29th Jul 2025447 AMAQI
29th Jul 2025448 AMAQI
29th Jul 2025539 AMAQI
29th Jul 20255810 AMAQI
29th Jul 20255611 AMAQI
29th Jul 20255912 PMAQI
29th Jul 2025551 PMAQI
29th Jul 2025542 PMAQI
29th Jul 2025563 PMAQI
29th Jul 2025554 PMAQI
29th Jul 2025585 PMAQI
29th Jul 2025536 PMAQI
29th Jul 2025527 PMAQI
29th Jul 2025438 PMAQI
29th Jul 2025379 PMAQI
29th Jul 20253310 PMAQI
29th Jul 20253711 PMAQI
30th Jul 20253612 AMAQI
30th Jul 2025371 AMAQI
30th Jul 2025412 AMAQI
30th Jul 2025423 AMAQI
30°C25/36°C
30th Jul 2025434 AMAQI
30th Jul 2025465 AMAQI
30th Jul 2025466 AMAQI
30th Jul 2025467 AMAQI
30th Jul 2025448 AMAQI
30th Jul 2025309 AMAQI
30th Jul 20253010 AMAQI
30th Jul 20252011 AMAQI
30th Jul 20252312 PMAQI
30th Jul 2025361 PMAQI
30th Jul 2025302 PMAQI
30th Jul 2025323 PMAQI
30th Jul 2025364 PMAQI
30th Jul 2025365 PMAQI
30th Jul 2025426 PMAQI
30th Jul 2025287 PMAQI
30th Jul 2025318 PMAQI
30th Jul 2025359 PMAQI
30th Jul 20253910 PMAQI
30th Jul 20254411 PMAQI
31st Jul 20254212 AMAQI
31st Jul 2025441 AMAQI
31st Jul 2025412 AMAQI
31st Jul 2025423 AMAQI
29°C25/35°C
31st Jul 2025414 AMAQI
31st Jul 2025415 AMAQI
31st Jul 2025416 AMAQI
31st Jul 2025417 AMAQI
31st Jul 2025418 AMAQI
31st Jul 2025419 AMAQI
31st Jul 20254110 AMAQI
31st Jul 20254311 AMAQI
31st Jul 20254412 PMAQI
31st Jul 2025461 PMAQI
31st Jul 2025472 PMAQI
31st Jul 2025443 PMAQI
31st Jul 2025464 PMAQI
31st Jul 2025405 PMAQI
31st Jul 2025366 PMAQI
31st Jul 2025277 PMAQI
31st Jul 2025308 PMAQI
31st Jul 2025399 PMAQI
31st Jul 20253210 PMAQI
31st Jul 20252911 PMAQI
1st Aug 20253012 AMAQI
1st Aug 2025341 AMAQI
1st Aug 2025342 AMAQI
1st Aug 2025353 AMAQI
28°C24/34°C
1st Aug 2025354 AMAQI
1st Aug 2025345 AMAQI
1st Aug 2025366 AMAQI
1st Aug 2025347 AMAQI
1st Aug 2025368 AMAQI
1st Aug 2025389 AMAQI
1st Aug 20252810 AMAQI
1st Aug 20254311 AMAQI
1st Aug 20254712 PMAQI
1st Aug 2025471 PMAQI
1st Aug 2025402 PMAQI
1st Aug 2025363 PMAQI
1st Aug 2025464 PMAQI
1st Aug 2025405 PMAQI
1st Aug 2025446 PMAQI
1st Aug 2025327 PMAQI
1st Aug 2025308 PMAQI
1st Aug 2025339 PMAQI
1st Aug 20253410 PMAQI
1st Aug 20253011 PMAQI
2nd Aug 20253212 AMAQI
2nd Aug 2025301 AMAQI
2nd Aug 2025372 AMAQI
2nd Aug 2025373 AMAQI
27°C24/31°C
2nd Aug 2025404 AMAQI
2nd Aug 2025385 AMAQI
2nd Aug 2025406 AMAQI
2nd Aug 2025387 AMAQI
2nd Aug 2025408 AMAQI
2nd Aug 2025419 AMAQI
2nd Aug 20253710 AMAQI
2nd Aug 20254311 AMAQI
2nd Aug 20253812 PMAQI
2nd Aug 2025511 PMAQI
2nd Aug 2025562 PMAQI
2nd Aug 2025593 PMAQI
2nd Aug 2025574 PMAQI
2nd Aug 2025545 PMAQI
2nd Aug 2025566 PMAQI
2nd Aug 2025517 PMAQI
2nd Aug 2025438 PMAQI
2nd Aug 2025409 PMAQI
2nd Aug 20253810 PMAQI
2nd Aug 20254511 PMAQI
3rd Aug 20253812 AMAQI
3rd Aug 2025361 AMAQI
3rd Aug 2025382 AMAQI
3rd Aug 2025383 AMAQI
30°C25/36°C
3rd Aug 2025414 AMAQI
3rd Aug 2025415 AMAQI
3rd Aug 2025406 AMAQI
3rd Aug 2025407 AMAQI
3rd Aug 2025398 AMAQI
3rd Aug 2025449 AMAQI
3rd Aug 20255710 AMAQI
3rd Aug 20255811 AMAQI
3rd Aug 20256112 PMAQI
3rd Aug 2025581 PMAQI
3rd Aug 2025582 PMAQI
3rd Aug 2025533 PMAQI
3rd Aug 2025574 PMAQI
3rd Aug 2025555 PMAQI
3rd Aug 2025576 PMAQI
3rd Aug 2025557 PMAQI
3rd Aug 2025548 PMAQI
3rd Aug 2025439 PMAQI
3rd Aug 20254510 PMAQI
3rd Aug 20254311 PMAQI
4th Aug 20253712 AMAQI
4th Aug 2025371 AMAQI
4th Aug 2025382 AMAQI
4th Aug 2025403 AMAQI
30°C26/36°C
4th Aug 2025434 AMAQI
4th Aug 2025455 AMAQI
4th Aug 2025446 AMAQI
4th Aug 2025447 AMAQI
4th Aug 2025458 AMAQI
4th Aug 2025569 AMAQI
4th Aug 20256810 AMAQI
4th Aug 20257811 AMAQI
4th Aug 20257712 PMAQI
4th Aug 2025881 PMAQI
4th Aug 2025942 PMAQI
4th Aug 2025863 PMAQI
4th Aug 2025904 PMAQI
4th Aug 2025965 PMAQI
4th Aug 2025936 PMAQI
4th Aug 2025737 PMAQI
4th Aug 2025668 PMAQI
4th Aug 2025609 PMAQI
4th Aug 20255510 PMAQI
4th Aug 20255311 PMAQI
5th Aug 20255412 AMAQI
5th Aug 2025461 AMAQI
5th Aug 2025422 AMAQI
5th Aug 2025423 AMAQI
31°C27/37°C
5th Aug 2025514 AMAQI
4 AM5th Aug 2025545 AMAQI
5th Aug 2025536 AMAQI
5th Aug 2025527 AMAQI
5th Aug 2025548 AMAQI
5th Aug 2025569 AMAQI
5th Aug 20256010 AMAQI
5th Aug 20256111 AMAQI
11 AM5th Aug 20255812 PMAQI
5th Aug 2025571 PMAQI
5th Aug 2025542 PMAQI
5th Aug 2025583 PMAQI
5th Aug 2025624 PMAQI
5th Aug 2025585 PMAQI
5th Aug 2025526 PMAQI
6 PM5th Aug 2025517 PMAQI
5th Aug 2025528 PMAQI
5th Aug 2025469 PMAQI
11 PM
3 AM
--°C/°C
Day time
Avg. Highest Time
11 AM - 1 PM
51AQI
3 hours / Day
90 hours / Month
Avg. Lowest Time
3 PM - 6 PM
42AQI
4 hours / Day
120 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 11 AM to 1 PM (Avg. 51), while the lowest AQI was between 3 PM to 6 PM (Avg. 42).
Night time
Avg. Highest Time
12 AM - 3 AM
47AQI
4 hours / Day
120 hours / Month
Avg. Lowest Time
7 PM - 8 PM
42AQI
2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 3 AM (Avg. 47), while the lowest AQI was between 7 PM to 8 PM (Avg. 42).
2025 Days Vs Air Quality
Nakano, Aizawa, Kanagawa, Japan
2025
94%
203
6%
13
Total number of days with different AQI categories in last 217 days in 2025 (148 days remaining)
Good
203 DaysModerate
13 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 94%
Health Risk Level:
Very Low
In 2025, 94% of 217 days were within WHO’s safe air quality limits. The risk of health issues is Very Low, but health impacts are still unclear.
Annual Air Quality Insights
Nakano, Aizawa, Kanagawa, 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
26AQI
26AQI
2nd January 2025
27AQI
27AQI
3rd January 2025
23AQI
23AQI
4th January 2025
24AQI
24AQI
5th January 2025
22AQI
22AQI
6th January 2025
34AQI
34AQI
7th January 2025
24AQI
24AQI
8th January 2025
30AQI
30AQI
9th January 2025
27AQI
27AQI
10th January 2025
25AQI
25AQI
11th January 2025
25AQI
25AQI
12th January 2025
24AQI
24AQI
13th January 2025
27AQI
27AQI
14th January 2025
23AQI
23AQI
15th January 2025
28AQI
28AQI
16th January 2025
22AQI
22AQI
17th January 2025
24AQI
24AQI
18th January 2025
24AQI
24AQI
19th January 2025
25AQI
25AQI
20th January 2025
25AQI
25AQI
21st January 2025
28AQI
28AQI
22nd January 2025
30AQI
30AQI
23rd January 2025
34AQI
34AQI
24th January 2025
34AQI
34AQI
25th January 2025
32AQI
32AQI
26th January 2025
31AQI
31AQI
27th January 2025
26AQI
26AQI
28th January 2025
27AQI
27AQI
29th January 2025
29AQI
29AQI
30th January 2025
27AQI
27AQI
31st January 2025
25AQI
25AQI
1st February 2025
25AQI
25AQI
2nd February 2025
23AQI
23AQI
3rd February 2025
23AQI
23AQI
4th February 2025
26AQI
26AQI
5th February 2025
28AQI
28AQI
6th February 2025
28AQI
28AQI
7th February 2025
29AQI
29AQI
8th February 2025
29AQI
29AQI
9th February 2025
29AQI
29AQI
10th February 2025
27AQI
27AQI
11th February 2025
29AQI
29AQI
12th February 2025
26AQI
26AQI
13th February 2025
29AQI
29AQI
14th February 2025
26AQI
26AQI
15th February 2025
28AQI
28AQI
16th February 2025
30AQI
30AQI
17th February 2025
33AQI
33AQI
18th February 2025
30AQI
30AQI
19th February 2025
29AQI
29AQI
20th February 2025
29AQI
29AQI
21st February 2025
30AQI
30AQI
22nd February 2025
28AQI
28AQI
23rd February 2025
32AQI
32AQI
24th February 2025
30AQI
30AQI
25th February 2025
33AQI
33AQI
26th February 2025
33AQI
33AQI
27th February 2025
36AQI
36AQI
28th February 2025
38AQI
38AQI
1st March 2025
49AQI
49AQI
2nd March 2025
42AQI
42AQI
3rd March 2025
39AQI
39AQI
4th March 2025
29AQI
29AQI
5th March 2025
24AQI
24AQI
6th March 2025
26AQI
26AQI
7th March 2025
30AQI
30AQI
8th March 2025
28AQI
28AQI
9th March 2025
32AQI
32AQI
10th March 2025
31AQI
31AQI
11th March 2025
30AQI
30AQI
12th March 2025
27AQI
27AQI
13th March 2025
32AQI
32AQI
14th March 2025
22AQI
22AQI
15th March 2025
19AQI
19AQI
16th March 2025
17AQI
17AQI
17th March 2025
16AQI
16AQI
18th March 2025
16AQI
16AQI
19th March 2025
15AQI
15AQI
20th March 2025
17AQI
17AQI
21st March 2025
23AQI
23AQI
22nd March 2025
25AQI
25AQI
23rd March 2025
28AQI
28AQI
24th March 2025
32AQI
32AQI
25th March 2025
47AQI
47AQI
26th March 2025
62AQI
62AQI
27th March 2025
56AQI
56AQI
28th March 2025
38AQI
38AQI
29th March 2025
31AQI
31AQI
30th March 2025
31AQI
31AQI
31st March 2025
27AQI
27AQI
1st April 2025
21AQI
21AQI
2nd April 2025
20AQI
20AQI
3rd April 2025
18AQI
18AQI
4th April 2025
18AQI
18AQI
5th April 2025
19AQI
19AQI
6th April 2025
16AQI
16AQI
7th April 2025
17AQI
17AQI
8th April 2025
19AQI
19AQI
9th April 2025
19AQI
19AQI
10th April 2025
23AQI
23AQI
11th April 2025
22AQI
22AQI
12th April 2025
23AQI
23AQI
13th April 2025
20AQI
20AQI
14th April 2025
22AQI
22AQI
15th April 2025
20AQI
20AQI
16th April 2025
20AQI
20AQI
17th April 2025
26AQI
26AQI
18th April 2025
31AQI
31AQI
19th April 2025
33AQI
33AQI
20th April 2025
32AQI
32AQI
21st April 2025
26AQI
26AQI
22nd April 2025
24AQI
24AQI
23rd April 2025
18AQI
18AQI
24th April 2025
16AQI
16AQI
25th April 2025
20AQI
20AQI
26th April 2025
22AQI
22AQI
27th April 2025
21AQI
21AQI
28th April 2025
20AQI
20AQI
29th April 2025
16AQI
16AQI
30th April 2025
20AQI
20AQI
1st May 2025
21AQI
21AQI
2nd May 2025
18AQI
18AQI
3rd May 2025
18AQI
18AQI
4th May 2025
21AQI
21AQI
5th May 2025
20AQI
20AQI
6th May 2025
18AQI
18AQI
7th May 2025
18AQI
18AQI
8th May 2025
17AQI
17AQI
9th May 2025
18AQI
18AQI
10th May 2025
15AQI
15AQI
11th May 2025
17AQI
17AQI
12th May 2025
17AQI
17AQI
13th May 2025
19AQI
19AQI
14th May 2025
19AQI
19AQI
15th May 2025
21AQI
21AQI
16th May 2025
22AQI
22AQI
17th May 2025
19AQI
19AQI
18th May 2025
22AQI
22AQI
19th May 2025
23AQI
23AQI
20th May 2025
54AQI
54AQI
21st May 2025
38AQI
38AQI
22nd May 2025
34AQI
34AQI
23rd May 2025
30AQI
30AQI
24th May 2025
27AQI
27AQI
25th May 2025
20AQI
20AQI
26th May 2025
22AQI
22AQI
27th May 2025
25AQI
25AQI
28th May 2025
18AQI
18AQI
29th May 2025
20AQI
20AQI
30th May 2025
18AQI
18AQI
31st May 2025
15AQI
15AQI
1st June 2025
15AQI
15AQI
2nd June 2025
17AQI
17AQI
3rd June 2025
17AQI
17AQI
4th June 2025
18AQI
18AQI
5th June 2025
20AQI
20AQI
6th June 2025
21AQI
21AQI
7th June 2025
38AQI
38AQI
8th June 2025
28AQI
28AQI
9th June 2025
30AQI
30AQI
10th June 2025
26AQI
26AQI
11th June 2025
25AQI
25AQI
12th June 2025
27AQI
27AQI
13th June 2025
27AQI
27AQI
14th June 2025
25AQI
25AQI
15th June 2025
24AQI
24AQI
16th June 2025
25AQI
25AQI
17th June 2025
31AQI
31AQI
18th June 2025
32AQI
32AQI
19th June 2025
31AQI
31AQI
20th June 2025
28AQI
28AQI
21st June 2025
22AQI
22AQI
22nd June 2025
12AQI
12AQI
23rd June 2025
14AQI
14AQI
24th June 2025
17AQI
17AQI
25th June 2025
18AQI
18AQI
26th June 2025
16AQI
16AQI
27th June 2025
22AQI
22AQI
28th June 2025
20AQI
20AQI
29th June 2025
28AQI
28AQI
30th June 2025
44AQI
44AQI
1st July 2025
46AQI
46AQI
2nd July 2025
49AQI
49AQI
3rd July 2025
52AQI
52AQI
4th July 2025
48AQI
48AQI
5th July 2025
55AQI
55AQI
6th July 2025
62AQI
62AQI
7th July 2025
76AQI
76AQI
8th July 2025
74AQI
74AQI
9th July 2025
76AQI
76AQI
10th July 2025
58AQI
58AQI
11th July 2025
47AQI
47AQI
12th July 2025
53AQI
53AQI
13th July 2025
51AQI
51AQI
14th July 2025
40AQI
40AQI
15th July 2025
37AQI
37AQI
16th July 2025
40AQI
40AQI
17th July 2025
38AQI
38AQI
18th July 2025
34AQI
34AQI
19th July 2025
30AQI
30AQI
20th July 2025
31AQI
31AQI
21st July 2025
36AQI
36AQI
22nd July 2025
37AQI
37AQI
23rd July 2025
43AQI
43AQI
24th July 2025
46AQI
46AQI
25th July 2025
43AQI
43AQI
26th July 2025
42AQI
42AQI
27th July 2025
40AQI
40AQI
28th July 2025
37AQI
37AQI
29th July 2025
47AQI
47AQI
30th July 2025
37AQI
37AQI
31st July 2025
39AQI
39AQI
1st August 2025
36AQI
36AQI
2nd August 2025
43AQI
43AQI
3rd August 2025
47AQI
47AQI
4th August 2025
54AQI
54AQI
27AQI
29AQI
30AQI
21AQI
22AQI
24AQI
47AQI
45AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202529AQI
31
28
29
2
30
30
1
30
22
9
3
1
203
13
Highest AQI recorded in
July47AQI
Lowest AQI recorded in
April21AQI
202433AQI
31
29
28
3
18
12
29
2
29
1
21
10
18
13
27
3
31
30
31
322
44
Highest AQI recorded in
April47AQI
Lowest AQI recorded in
December24AQI
202337AQI
31
27
1
29
2
23
7
26
5
22
8
20
11
28
3
26
4
30
1
25
4
30
1
317
47
Highest AQI recorded in
July47AQI
Lowest AQI recorded in
January26AQI
202230AQI
31
21
31
30
31
29
1
21
1
1
28
31
29
1
31
314
3
Highest AQI recorded in
March36AQI
Lowest AQI recorded in
October23AQI
202125AQI
31
28
31
30
30
1
28
2
31
25
6
30
31
30
31
356
9
Highest AQI recorded in
August36AQI
Lowest AQI recorded in
February10AQI
202026AQI
13
20
1
17
1
21
9
26
5
17
13
1
19
31
30
31
225
29
1
Highest AQI recorded in
August54AQI
Lowest AQI recorded in
December8AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2023(Avg.)
37AQILeast Polluted Year Recorded
2021(Avg.)
25AQINakano's annual 2025 AQI (29) shows an average percentage change of -1.8% (improved AQI) compared to previous years: 2020 (26), 2021 (25), 2022 (30), 2023 (37), 2024 (33).
