Sengencho, Yokohama, 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+
October Air Quality Analysis
Sengencho, Yokohama, Kanagawa, Japan
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
23rd Oct 2022
67AQILowest AQI recorded on
4th Oct 2024
20AQISame Day Analysis (9th October ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 56 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 9th Oct - 10th Oct 2025
Sengencho, Yokohama, Kanagawa, Japan
AQI
Day
Night
.
5 AM9th Oct 2025
5 PM
4 AM10th Oct 2025
Day time
Avg. Highest Time
4PM9th Oct
74AQI
Avg. Lowest Time
12PM9th Oct
43AQI
Night time
Avg. Highest Time
3AM10th Oct
63AQI
Avg. Lowest Time
12AM10th Oct
39AQI
In the last 24 hours,
Sengencho's AQI reached its highest point of 74 at 4 PM during the Day, while the lowest point, 39, was recorded at 12 AM during the Night between 9th Oct and 10th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Sengencho, Yokohama, Kanagawa, Japan
SepOct
10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th
Day
Night
10th Sep 2025375 AMAQI
10th Sep 2025366 AMAQI
10th Sep 2025377 AMAQI
10th Sep 2025378 AMAQI
10th Sep 2025639 AMAQI
10th Sep 20255710 AMAQI
10th Sep 20255111 AMAQI
10th Sep 20255212 PMAQI
10th Sep 2025541 PMAQI
10th Sep 2025442 PMAQI
10th Sep 2025483 PMAQI
10th Sep 2025434 PMAQI
10th Sep 2025355 PMAQI
10th Sep 2025326 PMAQI
10th Sep 2025307 PMAQI
10th Sep 2025338 PMAQI
10th Sep 2025349 PMAQI
10th Sep 20253210 PMAQI
10th Sep 20253211 PMAQI
11th Sep 20253312 AMAQI
11th Sep 2025371 AMAQI
11th Sep 2025342 AMAQI
11th Sep 2025363 AMAQI
11th Sep 2025364 AMAQI
28°C27/29°C
11th Sep 2025375 AMAQI
11th Sep 2025376 AMAQI
11th Sep 2025367 AMAQI
11th Sep 2025368 AMAQI
11th Sep 2025199 AMAQI
11th Sep 20253010 AMAQI
11th Sep 20252011 AMAQI
11th Sep 20253112 PMAQI
11th Sep 2025341 PMAQI
11th Sep 2025412 PMAQI
11th Sep 2025303 PMAQI
11th Sep 2025284 PMAQI
11th Sep 2025295 PMAQI
11th Sep 2025306 PMAQI
11th Sep 2025307 PMAQI
11th Sep 2025308 PMAQI
11th Sep 2025289 PMAQI
11th Sep 20252910 PMAQI
11th Sep 20252911 PMAQI
12th Sep 20253312 AMAQI
12th Sep 2025351 AMAQI
12th Sep 2025362 AMAQI
12th Sep 2025373 AMAQI
12th Sep 2025354 AMAQI
27°C24/29°C
12th Sep 2025345 AMAQI
12th Sep 2025366 AMAQI
12th Sep 2025357 AMAQI
12th Sep 2025348 AMAQI
12th Sep 2025289 AMAQI
12th Sep 20253310 AMAQI
12th Sep 20252511 AMAQI
12th Sep 20252512 PMAQI
12th Sep 2025271 PMAQI
12th Sep 2025292 PMAQI
12th Sep 2025283 PMAQI
12th Sep 2025314 PMAQI
12th Sep 2025355 PMAQI
12th Sep 2025376 PMAQI
12th Sep 2025307 PMAQI
12th Sep 2025288 PMAQI
12th Sep 2025319 PMAQI
12th Sep 20252810 PMAQI
12th Sep 20253011 PMAQI
13th Sep 20252912 AMAQI
13th Sep 2025331 AMAQI
13th Sep 2025352 AMAQI
13th Sep 2025343 AMAQI
13th Sep 2025354 AMAQI
25°C24/27°C
13th Sep 2025345 AMAQI
13th Sep 2025336 AMAQI
13th Sep 2025337 AMAQI
13th Sep 2025348 AMAQI
13th Sep 2025309 AMAQI
13th Sep 20252410 AMAQI
13th Sep 20252911 AMAQI
13th Sep 20253112 PMAQI
13th Sep 2025281 PMAQI
13th Sep 2025272 PMAQI
13th Sep 2025253 PMAQI
13th Sep 2025274 PMAQI
13th Sep 2025245 PMAQI
13th Sep 2025306 PMAQI
13th Sep 2025277 PMAQI
13th Sep 2025268 PMAQI
13th Sep 2025279 PMAQI
13th Sep 20252910 PMAQI
13th Sep 20253811 PMAQI
14th Sep 20253012 AMAQI
14th Sep 2025371 AMAQI
14th Sep 2025342 AMAQI
14th Sep 2025343 AMAQI
14th Sep 2025344 AMAQI
27°C25/29°C
14th Sep 2025345 AMAQI
14th Sep 2025326 AMAQI
14th Sep 2025337 AMAQI
14th Sep 2025358 AMAQI
14th Sep 2025349 AMAQI
14th Sep 20252810 AMAQI
14th Sep 20253311 AMAQI
14th Sep 20253312 PMAQI
14th Sep 2025341 PMAQI
14th Sep 2025402 PMAQI
14th Sep 2025443 PMAQI
14th Sep 2025464 PMAQI
14th Sep 2025505 PMAQI
14th Sep 2025526 PMAQI
14th Sep 2025527 PMAQI
14th Sep 2025438 PMAQI
14th Sep 2025399 PMAQI
14th Sep 20253610 PMAQI
14th Sep 20254211 PMAQI
15th Sep 20254412 AMAQI
15th Sep 2025381 AMAQI
15th Sep 2025362 AMAQI
15th Sep 2025353 AMAQI
15th Sep 2025344 AMAQI
29°C27/31°C
15th Sep 2025355 AMAQI
15th Sep 2025356 AMAQI
15th Sep 2025367 AMAQI
15th Sep 2025348 AMAQI
15th Sep 2025449 AMAQI
15th Sep 20255010 AMAQI
15th Sep 20255011 AMAQI
15th Sep 20254712 PMAQI
15th Sep 2025381 PMAQI
15th Sep 2025352 PMAQI
15th Sep 2025253 PMAQI
15th Sep 2025214 PMAQI
15th Sep 2025225 PMAQI
15th Sep 2025206 PMAQI
15th Sep 2025187 PMAQI
15th Sep 2025208 PMAQI
15th Sep 2025329 PMAQI
15th Sep 20253610 PMAQI
15th Sep 20253611 PMAQI
16th Sep 20253512 AMAQI
16th Sep 2025401 AMAQI
16th Sep 2025352 AMAQI
16th Sep 2025353 AMAQI
16th Sep 2025364 AMAQI
27°C26/29°C
16th Sep 2025375 AMAQI
16th Sep 2025376 AMAQI
16th Sep 2025377 AMAQI
16th Sep 2025378 AMAQI
16th Sep 2025529 AMAQI
16th Sep 20255810 AMAQI
16th Sep 20255511 AMAQI
16th Sep 20255312 PMAQI
16th Sep 2025501 PMAQI
16th Sep 2025492 PMAQI
16th Sep 2025413 PMAQI
16th Sep 2025344 PMAQI
16th Sep 2025325 PMAQI
16th Sep 2025266 PMAQI
16th Sep 2025247 PMAQI
16th Sep 2025308 PMAQI
16th Sep 2025279 PMAQI
16th Sep 20252810 PMAQI
16th Sep 20253411 PMAQI
17th Sep 20253112 AMAQI
17th Sep 2025341 AMAQI
17th Sep 2025352 AMAQI
17th Sep 2025363 AMAQI
17th Sep 2025394 AMAQI
28°C26/30°C
17th Sep 2025415 AMAQI
17th Sep 2025406 AMAQI
17th Sep 2025407 AMAQI
17th Sep 2025408 AMAQI
17th Sep 2025509 AMAQI
17th Sep 20255310 AMAQI
17th Sep 20255411 AMAQI
17th Sep 20255712 PMAQI
17th Sep 2025561 PMAQI
17th Sep 2025602 PMAQI
17th Sep 2025603 PMAQI
17th Sep 2025534 PMAQI
17th Sep 2025595 PMAQI
17th Sep 2025606 PMAQI
17th Sep 2025577 PMAQI
17th Sep 2025548 PMAQI
17th Sep 2025549 PMAQI
17th Sep 20255510 PMAQI
17th Sep 20255611 PMAQI
18th Sep 20255512 AMAQI
18th Sep 2025501 AMAQI
18th Sep 2025352 AMAQI
18th Sep 2025363 AMAQI
18th Sep 2025384 AMAQI
29°C27/30°C
18th Sep 2025425 AMAQI
18th Sep 2025426 AMAQI
18th Sep 2025427 AMAQI
18th Sep 2025428 AMAQI
18th Sep 2025649 AMAQI
18th Sep 20257210 AMAQI
18th Sep 20257111 AMAQI
18th Sep 20257112 PMAQI
18th Sep 2025661 PMAQI
18th Sep 2025652 PMAQI
18th Sep 2025683 PMAQI
18th Sep 2025704 PMAQI
18th Sep 2025665 PMAQI
18th Sep 2025556 PMAQI
18th Sep 2025327 PMAQI
18th Sep 2025368 PMAQI
18th Sep 2025529 PMAQI
18th Sep 20255310 PMAQI
18th Sep 20255311 PMAQI
19th Sep 20255312 AMAQI
19th Sep 2025501 AMAQI
19th Sep 2025442 AMAQI
19th Sep 2025443 AMAQI
19th Sep 2025474 AMAQI
29°C24/32°C
19th Sep 2025525 AMAQI
19th Sep 2025526 AMAQI
19th Sep 2025527 AMAQI
19th Sep 2025528 AMAQI
19th Sep 2025259 AMAQI
19th Sep 20251610 AMAQI
19th Sep 20251811 AMAQI
19th Sep 20251812 PMAQI
19th Sep 2025241 PMAQI
19th Sep 2025282 PMAQI
19th Sep 2025303 PMAQI
19th Sep 2025324 PMAQI
19th Sep 2025285 PMAQI
19th Sep 2025306 PMAQI
19th Sep 2025267 PMAQI
19th Sep 2025348 PMAQI
19th Sep 2025439 PMAQI
19th Sep 20254010 PMAQI
19th Sep 20253811 PMAQI
20th Sep 20253812 AMAQI
20th Sep 2025441 AMAQI
20th Sep 2025492 AMAQI
20th Sep 2025483 AMAQI
20th Sep 2025484 AMAQI
23°C22/23°C
20th Sep 2025425 AMAQI
20th Sep 2025436 AMAQI
20th Sep 2025437 AMAQI
20th Sep 2025438 AMAQI
20th Sep 2025299 AMAQI
20th Sep 20252710 AMAQI
20th Sep 20252911 AMAQI
20th Sep 20251412 PMAQI
20th Sep 2025191 PMAQI
20th Sep 2025232 PMAQI
20th Sep 2025183 PMAQI
20th Sep 2025184 PMAQI
20th Sep 2025175 PMAQI
20th Sep 2025206 PMAQI
20th Sep 2025367 PMAQI
20th Sep 2025358 PMAQI
20th Sep 2025389 PMAQI
20th Sep 20253710 PMAQI
20th Sep 20253411 PMAQI
21st Sep 20253612 AMAQI
21st Sep 2025401 AMAQI
21st Sep 2025432 AMAQI
21st Sep 2025443 AMAQI
21st Sep 2025424 AMAQI
24°C23/26°C
21st Sep 2025405 AMAQI
21st Sep 2025396 AMAQI
21st Sep 2025407 AMAQI
21st Sep 2025408 AMAQI
21st Sep 2025299 AMAQI
21st Sep 20252010 AMAQI
21st Sep 20251711 AMAQI
21st Sep 20251612 PMAQI
21st Sep 2025201 PMAQI
21st Sep 2025182 PMAQI
21st Sep 2025163 PMAQI
21st Sep 2025164 PMAQI
21st Sep 2025165 PMAQI
21st Sep 2025146 PMAQI
21st Sep 2025187 PMAQI
21st Sep 2025258 PMAQI
21st Sep 2025329 PMAQI
21st Sep 20253610 PMAQI
21st Sep 20253311 PMAQI
22nd Sep 20253112 AMAQI
22nd Sep 2025341 AMAQI
22nd Sep 2025402 AMAQI
22nd Sep 2025403 AMAQI
22nd Sep 2025384 AMAQI
26°C23/30°C
22nd Sep 2025345 AMAQI
22nd Sep 2025366 AMAQI
22nd Sep 2025367 AMAQI
22nd Sep 2025368 AMAQI
22nd Sep 2025249 AMAQI
22nd Sep 20252210 AMAQI
22nd Sep 20252611 AMAQI
22nd Sep 20252712 PMAQI
22nd Sep 2025201 PMAQI
22nd Sep 2025222 PMAQI
22nd Sep 2025223 PMAQI
22nd Sep 2025234 PMAQI
22nd Sep 2025265 PMAQI
22nd Sep 2025256 PMAQI
22nd Sep 2025297 PMAQI
22nd Sep 2025338 PMAQI
22nd Sep 2025349 PMAQI
22nd Sep 20253110 PMAQI
22nd Sep 20253011 PMAQI
23rd Sep 20253012 AMAQI
23rd Sep 2025321 AMAQI
23rd Sep 2025362 AMAQI
23rd Sep 2025363 AMAQI
23rd Sep 2025354 AMAQI
24°C22/25°C
23rd Sep 2025325 AMAQI
23rd Sep 2025326 AMAQI
23rd Sep 2025327 AMAQI
23rd Sep 2025328 AMAQI
23rd Sep 2025279 AMAQI
23rd Sep 20252310 AMAQI
23rd Sep 20252711 AMAQI
23rd Sep 20252712 PMAQI
23rd Sep 2025261 PMAQI
23rd Sep 2025212 PMAQI
23rd Sep 2025143 PMAQI
23rd Sep 2025174 PMAQI
23rd Sep 2025165 PMAQI
23rd Sep 2025266 PMAQI
23rd Sep 2025317 PMAQI
23rd Sep 2025308 PMAQI
23rd Sep 2025309 PMAQI
23rd Sep 20253610 PMAQI
23rd Sep 20253411 PMAQI
24th Sep 20252812 AMAQI
24th Sep 2025291 AMAQI
24th Sep 2025332 AMAQI
24th Sep 2025323 AMAQI
24th Sep 2025324 AMAQI
23°C21/26°C
24th Sep 2025315 AMAQI
24th Sep 2025326 AMAQI
24th Sep 2025317 AMAQI
24th Sep 2025318 AMAQI
24th Sep 2025179 AMAQI
24th Sep 20251310 AMAQI
24th Sep 20251411 AMAQI
24th Sep 20251412 PMAQI
24th Sep 2025211 PMAQI
24th Sep 2025302 PMAQI
24th Sep 2025403 PMAQI
24th Sep 2025444 PMAQI
24th Sep 2025385 PMAQI
24th Sep 2025336 PMAQI
24th Sep 2025317 PMAQI
24th Sep 2025238 PMAQI
24th Sep 2025259 PMAQI
24th Sep 20252210 PMAQI
24th Sep 20252211 PMAQI
25th Sep 20252412 AMAQI
25th Sep 2025291 AMAQI
25th Sep 2025312 AMAQI
25th Sep 2025313 AMAQI
25th Sep 2025304 AMAQI
23°C22/26°C
25th Sep 2025295 AMAQI
25th Sep 2025296 AMAQI
25th Sep 2025297 AMAQI
25th Sep 2025288 AMAQI
25th Sep 2025399 AMAQI
25th Sep 20254410 AMAQI
25th Sep 20253611 AMAQI
25th Sep 20252712 PMAQI
25th Sep 2025231 PMAQI
25th Sep 2025282 PMAQI
25th Sep 2025303 PMAQI
25th Sep 2025324 PMAQI
25th Sep 2025325 PMAQI
25th Sep 2025326 PMAQI
25th Sep 2025317 PMAQI
25th Sep 2025298 PMAQI
25th Sep 2025289 PMAQI
25th Sep 20252910 PMAQI
25th Sep 20252911 PMAQI
26th Sep 20252912 AMAQI
26th Sep 2025281 AMAQI
26th Sep 2025392 AMAQI
26th Sep 2025373 AMAQI
26th Sep 2025334 AMAQI
24°C22/26°C
26th Sep 2025415 AMAQI
26th Sep 2025426 AMAQI
26th Sep 2025537 AMAQI
26th Sep 2025488 AMAQI
26th Sep 2025459 AMAQI
26th Sep 20255310 AMAQI
26th Sep 20255411 AMAQI
26th Sep 20255612 PMAQI
26th Sep 2025631 PMAQI
26th Sep 2025692 PMAQI
26th Sep 2025723 PMAQI
26th Sep 2025814 PMAQI
26th Sep 2025765 PMAQI
26th Sep 2025726 PMAQI
26th Sep 2025527 PMAQI
26th Sep 2025438 PMAQI
26th Sep 2025399 PMAQI
26th Sep 20253810 PMAQI
26th Sep 20253411 PMAQI
27th Sep 20253212 AMAQI
27th Sep 2025421 AMAQI
27th Sep 2025352 AMAQI
27th Sep 2025313 AMAQI
27th Sep 2025314 AMAQI
26°C25/29°C
27th Sep 2025295 AMAQI
27th Sep 2025376 AMAQI
27th Sep 2025257 AMAQI
27th Sep 2025318 AMAQI
27th Sep 2025249 AMAQI
27th Sep 20252510 AMAQI
27th Sep 20253111 AMAQI
27th Sep 20253812 PMAQI
27th Sep 2025391 PMAQI
27th Sep 2025352 PMAQI
27th Sep 2025263 PMAQI
27th Sep 2025184 PMAQI
27th Sep 2025155 PMAQI
27th Sep 2025166 PMAQI
27th Sep 2025207 PMAQI
27th Sep 2025278 PMAQI
27th Sep 2025289 PMAQI
27th Sep 20252810 PMAQI
27th Sep 20253111 PMAQI
28th Sep 20253712 AMAQI
28th Sep 2025291 AMAQI
28th Sep 2025222 AMAQI
28th Sep 2025263 AMAQI
28th Sep 2025314 AMAQI
24°C23/26°C
28th Sep 2025435 AMAQI
28th Sep 2025456 AMAQI
28th Sep 2025447 AMAQI
28th Sep 2025408 AMAQI
28th Sep 2025399 AMAQI
28th Sep 20253910 AMAQI
28th Sep 20253911 AMAQI
28th Sep 20253712 PMAQI
28th Sep 2025331 PMAQI
28th Sep 2025332 PMAQI
28th Sep 2025333 PMAQI
28th Sep 2025264 PMAQI
28th Sep 2025225 PMAQI
28th Sep 2025226 PMAQI
28th Sep 2025187 PMAQI
28th Sep 2025208 PMAQI
28th Sep 2025189 PMAQI
28th Sep 20252010 PMAQI
28th Sep 20251811 PMAQI
29th Sep 20251812 AMAQI
29th Sep 2025221 AMAQI
29th Sep 2025182 AMAQI
29th Sep 2025143 AMAQI
29th Sep 2025164 AMAQI
25°C24/27°C
29th Sep 2025205 AMAQI
29th Sep 2025316 AMAQI
29th Sep 2025267 AMAQI
29th Sep 2025328 AMAQI
29th Sep 2025399 AMAQI
29th Sep 20254310 AMAQI
29th Sep 20255111 AMAQI
29th Sep 20254812 PMAQI
29th Sep 2025311 PMAQI
29th Sep 2025222 PMAQI
29th Sep 2025313 PMAQI
29th Sep 2025294 PMAQI
29th Sep 2025235 PMAQI
29th Sep 2025296 PMAQI
29th Sep 2025367 PMAQI
29th Sep 2025348 PMAQI
29th Sep 2025309 PMAQI
29th Sep 20253210 PMAQI
29th Sep 20252511 PMAQI
30th Sep 20251912 AMAQI
30th Sep 2025221 AMAQI
30th Sep 2025112 AMAQI
30th Sep 2025183 AMAQI
30th Sep 2025234 AMAQI
26°C24/29°C
30th Sep 2025225 AMAQI
30th Sep 2025206 AMAQI
30th Sep 2025197 AMAQI
30th Sep 2025198 AMAQI
30th Sep 2025179 AMAQI
30th Sep 20251910 AMAQI
30th Sep 20252911 AMAQI
30th Sep 20252912 PMAQI
30th Sep 2025421 PMAQI
30th Sep 2025392 PMAQI
30th Sep 2025333 PMAQI
30th Sep 2025234 PMAQI
30th Sep 2025335 PMAQI
30th Sep 2025316 PMAQI
30th Sep 2025267 PMAQI
30th Sep 2025258 PMAQI
30th Sep 2025229 PMAQI
30th Sep 20252510 PMAQI
30th Sep 20252511 PMAQI
1st Oct 20252412 AMAQI
1st Oct 2025271 AMAQI
1st Oct 2025212 AMAQI
1st Oct 2025223 AMAQI
1st Oct 2025234 AMAQI
24°C22/26°C
1st Oct 2025215 AMAQI
1st Oct 2025186 AMAQI
1st Oct 2025147 AMAQI
1st Oct 2025128 AMAQI
1st Oct 2025129 AMAQI
1st Oct 20251210 AMAQI
1st Oct 20251711 AMAQI
1st Oct 20252712 PMAQI
1st Oct 2025211 PMAQI
1st Oct 2025142 PMAQI
1st Oct 2025183 PMAQI
1st Oct 2025324 PMAQI
1st Oct 2025305 PMAQI
1st Oct 2025266 PMAQI
1st Oct 2025157 PMAQI
1st Oct 2025138 PMAQI
1st Oct 2025149 PMAQI
1st Oct 20251510 PMAQI
1st Oct 20251511 PMAQI
2nd Oct 20251512 AMAQI
2nd Oct 2025341 AMAQI
2nd Oct 2025432 AMAQI
2nd Oct 2025483 AMAQI
2nd Oct 2025494 AMAQI
21°C20/21°C
2nd Oct 2025435 AMAQI
2nd Oct 2025376 AMAQI
2nd Oct 2025377 AMAQI
2nd Oct 2025388 AMAQI
2nd Oct 2025419 AMAQI
2nd Oct 20254210 AMAQI
2nd Oct 20253611 AMAQI
2nd Oct 20253312 PMAQI
2nd Oct 2025371 PMAQI
2nd Oct 2025432 PMAQI
2nd Oct 2025483 PMAQI
2nd Oct 2025544 PMAQI
2nd Oct 2025535 PMAQI
2nd Oct 2025496 PMAQI
2nd Oct 2025387 PMAQI
2nd Oct 2025398 PMAQI
2nd Oct 2025429 PMAQI
2nd Oct 20253910 PMAQI
2nd Oct 20253711 PMAQI
3rd Oct 20253912 AMAQI
3rd Oct 2025481 AMAQI
3rd Oct 2025482 AMAQI
3rd Oct 2025453 AMAQI
3rd Oct 2025544 AMAQI
23°C21/26°C
3rd Oct 2025445 AMAQI
3rd Oct 2025506 AMAQI
3rd Oct 2025547 AMAQI
3rd Oct 2025518 AMAQI
3rd Oct 2025489 AMAQI
3rd Oct 20255210 AMAQI
3rd Oct 20254811 AMAQI
3rd Oct 20253612 PMAQI
3rd Oct 2025511 PMAQI
3rd Oct 2025562 PMAQI
3rd Oct 2025563 PMAQI
3rd Oct 2025544 PMAQI
3rd Oct 2025445 PMAQI
3rd Oct 2025466 PMAQI
3rd Oct 2025377 PMAQI
3rd Oct 2025438 PMAQI
3rd Oct 2025559 PMAQI
3rd Oct 20254810 PMAQI
3rd Oct 20255611 PMAQI
4th Oct 20255312 AMAQI
4th Oct 2025551 AMAQI
4th Oct 2025562 AMAQI
4th Oct 2025563 AMAQI
4th Oct 2025564 AMAQI
24°C23/25°C
4th Oct 2025585 AMAQI
4th Oct 2025636 AMAQI
4th Oct 2025597 AMAQI
4th Oct 2025598 AMAQI
4th Oct 2025589 AMAQI
4th Oct 20255810 AMAQI
4th Oct 20255211 AMAQI
4th Oct 20256012 PMAQI
4th Oct 2025631 PMAQI
4th Oct 2025582 PMAQI
4th Oct 2025593 PMAQI
4th Oct 2025624 PMAQI
4th Oct 2025565 PMAQI
4th Oct 2025206 PMAQI
4th Oct 2025257 PMAQI
4th Oct 2025268 PMAQI
4th Oct 2025279 PMAQI
4th Oct 20253310 PMAQI
4th Oct 20254111 PMAQI
5th Oct 20254812 AMAQI
5th Oct 2025581 AMAQI
5th Oct 2025642 AMAQI
5th Oct 2025593 AMAQI
5th Oct 2025574 AMAQI
23°C23/24°C
5th Oct 2025505 AMAQI
5th Oct 2025456 AMAQI
5th Oct 2025487 AMAQI
5th Oct 2025468 AMAQI
5th Oct 2025459 AMAQI
5th Oct 20254610 AMAQI
5th Oct 20252511 AMAQI
5th Oct 20255012 PMAQI
5th Oct 2025541 PMAQI
5th Oct 2025522 PMAQI
5th Oct 2025573 PMAQI
5th Oct 2025544 PMAQI
5th Oct 2025575 PMAQI
5th Oct 2025536 PMAQI
5th Oct 2025547 PMAQI
5th Oct 2025268 PMAQI
5th Oct 2025169 PMAQI
5th Oct 20251410 PMAQI
5th Oct 20254411 PMAQI
6th Oct 20252412 AMAQI
6th Oct 2025381 AMAQI
6th Oct 2025252 AMAQI
6th Oct 2025273 AMAQI
6th Oct 2025274 AMAQI
24°C22/26°C
6th Oct 2025275 AMAQI
6th Oct 2025266 AMAQI
6th Oct 2025277 AMAQI
6th Oct 2025408 AMAQI
6th Oct 2025429 AMAQI
6th Oct 20254910 AMAQI
6th Oct 20255411 AMAQI
6th Oct 20255412 PMAQI
6th Oct 2025521 PMAQI
6th Oct 2025552 PMAQI
6th Oct 2025583 PMAQI
6th Oct 2025494 PMAQI
6th Oct 2025515 PMAQI
6th Oct 2025456 PMAQI
6th Oct 2025457 PMAQI
6th Oct 2025498 PMAQI
6th Oct 2025489 PMAQI
6th Oct 20255010 PMAQI
6th Oct 20255011 PMAQI
7th Oct 20254412 AMAQI
7th Oct 2025391 AMAQI
7th Oct 2025462 AMAQI
24°C22/27°C
7th Oct 2025368 PMAQI
7th Oct 2025269 PMAQI
7th Oct 20254310 PMAQI
7th Oct 20254511 PMAQI
8th Oct 20254512 AMAQI
8th Oct 2025491 AMAQI
8th Oct 2025512 AMAQI
8th Oct 2025513 AMAQI
8th Oct 2025514 AMAQI
22°C21/24°C
8th Oct 2025515 AMAQI
8th Oct 2025436 AMAQI
8th Oct 2025447 AMAQI
8th Oct 2025468 AMAQI
8th Oct 2025519 AMAQI
8th Oct 20254510 AMAQI
8th Oct 20255011 AMAQI
8th Oct 20255412 PMAQI
8th Oct 2025571 PMAQI
8th Oct 2025622 PMAQI
8th Oct 2025683 PMAQI
8th Oct 2025604 PMAQI
8th Oct 2025585 PMAQI
8th Oct 2025606 PMAQI
8th Oct 2025557 PMAQI
8th Oct 2025608 PMAQI
8th Oct 2025609 PMAQI
8th Oct 20256110 PMAQI
8th Oct 20256011 PMAQI
9th Oct 20255812 AMAQI
9th Oct 2025571 AMAQI
9th Oct 2025562 AMAQI
9th Oct 2025573 AMAQI
9th Oct 2025564 AMAQI
23°C21/25°C
9th Oct 2025525 AMAQI
9th Oct 2025476 AMAQI
9th Oct 2025487 AMAQI
9th Oct 2025478 AMAQI
9th Oct 2025499 AMAQI
9th Oct 20254810 AMAQI
9th Oct 20254811 AMAQI
9th Oct 20254312 PMAQI
9th Oct 2025481 PMAQI
9th Oct 2025592 PMAQI
9th Oct 2025693 PMAQI
9th Oct 2025744 PMAQI
9th Oct 2025685 PMAQI
9th Oct 2025586 PMAQI
9th Oct 2025507 PMAQI
9th Oct 2025518 PMAQI
9th Oct 2025499 PMAQI
9th Oct 20254810 PMAQI
9th Oct 20254611 PMAQI
10th Oct 20253912 AMAQI
10th Oct 2025401 AMAQI
10th Oct 2025562 AMAQI
10th Oct 2025633 AMAQI
10th Oct 2025624 AMAQI
22°C19/23°C
10th Oct 2025525 AMAQI
5 AM10th Oct 2025526 AMAQI
10th Oct 2025517 AMAQI
10th Oct 2025498 AMAQI
10th Oct 2025459 AMAQI
10th Oct 20254210 AMAQI
11 AM
5 PM
11 PM
4 AM
--°C/°C
Day time
Avg. Highest Time
5 AM - 4 PM
39AQI
12 hours / Day
360 hours / Month
Avg. Lowest Time
5 AM - 5 PM
39AQI
13 hours / Day
390 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 5 AM to 4 PM (Avg. 39), while the lowest AQI was between 5 AM to 5 PM (Avg. 39).
Night time
Avg. Highest Time
1 AM - 4 AM
38AQI
4 hours / Day
120 hours / Month
Avg. Lowest Time
8 PM
33AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 1 AM to 4 AM (Avg. 38), while the lowest AQI was between 8 PM to 8 PM (Avg. 33).
2025 Days Vs Air Quality
Sengencho, Yokohama, Kanagawa, Japan
2025
90%
254
10%
28
Total number of days with different AQI categories in last 283 days in 2025 (82 days remaining)
Good
254 DaysModerate
28 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 90%
Health Risk Level:
Very Low
In 2025, 90% of 283 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
Sengencho, Yokohama, 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.
-1th undefined 2025
-1th undefined 2025
-1th undefined 2025
1st January 2025
28AQI
28AQI
2nd January 2025
30AQI
30AQI
3rd January 2025
23AQI
23AQI
4th January 2025
27AQI
27AQI
5th January 2025
23AQI
23AQI
6th January 2025
52AQI
52AQI
7th January 2025
34AQI
34AQI
8th January 2025
36AQI
36AQI
9th January 2025
31AQI
31AQI
10th January 2025
28AQI
28AQI
11th January 2025
25AQI
25AQI
12th January 2025
27AQI
27AQI
13th January 2025
32AQI
32AQI
14th January 2025
27AQI
27AQI
15th January 2025
33AQI
33AQI
16th January 2025
22AQI
22AQI
17th January 2025
28AQI
28AQI
18th January 2025
26AQI
26AQI
19th January 2025
31AQI
31AQI
20th January 2025
31AQI
31AQI
21st January 2025
32AQI
32AQI
22nd January 2025
41AQI
41AQI
23rd January 2025
40AQI
40AQI
24th January 2025
39AQI
39AQI
25th January 2025
40AQI
40AQI
26th January 2025
34AQI
34AQI
27th January 2025
33AQI
33AQI
28th January 2025
31AQI
31AQI
29th January 2025
31AQI
31AQI
30th January 2025
27AQI
27AQI
31st January 2025
26AQI
26AQI
1st February 2025
22AQI
22AQI
2nd February 2025
24AQI
24AQI
3rd February 2025
31AQI
31AQI
4th February 2025
29AQI
29AQI
5th February 2025
30AQI
30AQI
6th February 2025
28AQI
28AQI
7th February 2025
27AQI
27AQI
8th February 2025
29AQI
29AQI
9th February 2025
28AQI
28AQI
10th February 2025
26AQI
26AQI
11th February 2025
29AQI
29AQI
12th February 2025
28AQI
28AQI
13th February 2025
34AQI
34AQI
14th February 2025
28AQI
28AQI
15th February 2025
29AQI
29AQI
16th February 2025
30AQI
30AQI
17th February 2025
34AQI
34AQI
18th February 2025
29AQI
29AQI
19th February 2025
29AQI
29AQI
20th February 2025
28AQI
28AQI
21st February 2025
28AQI
28AQI
22nd February 2025
29AQI
29AQI
23rd February 2025
30AQI
30AQI
24th February 2025
32AQI
32AQI
25th February 2025
32AQI
32AQI
26th February 2025
34AQI
34AQI
27th February 2025
37AQI
37AQI
28th February 2025
38AQI
38AQI
1st March 2025
57AQI
57AQI
2nd March 2025
44AQI
44AQI
3rd March 2025
39AQI
39AQI
4th March 2025
31AQI
31AQI
5th March 2025
29AQI
29AQI
6th March 2025
29AQI
29AQI
7th March 2025
31AQI
31AQI
8th March 2025
29AQI
29AQI
9th March 2025
33AQI
33AQI
10th March 2025
32AQI
32AQI
11th March 2025
31AQI
31AQI
12th March 2025
35AQI
35AQI
13th March 2025
32AQI
32AQI
14th March 2025
28AQI
28AQI
15th March 2025
24AQI
24AQI
16th March 2025
19AQI
19AQI
17th March 2025
18AQI
18AQI
18th March 2025
16AQI
16AQI
19th March 2025
15AQI
15AQI
20th March 2025
17AQI
17AQI
21st March 2025
25AQI
25AQI
22nd March 2025
29AQI
29AQI
23rd March 2025
34AQI
34AQI
24th March 2025
32AQI
32AQI
25th March 2025
49AQI
49AQI
26th March 2025
61AQI
61AQI
27th March 2025
55AQI
55AQI
28th March 2025
38AQI
38AQI
29th March 2025
31AQI
31AQI
30th March 2025
30AQI
30AQI
31st March 2025
27AQI
27AQI
1st April 2025
21AQI
21AQI
2nd April 2025
20AQI
20AQI
3rd April 2025
17AQI
17AQI
4th April 2025
19AQI
19AQI
5th April 2025
17AQI
17AQI
6th April 2025
15AQI
15AQI
7th April 2025
16AQI
16AQI
8th April 2025
18AQI
18AQI
9th April 2025
18AQI
18AQI
10th April 2025
22AQI
22AQI
11th April 2025
23AQI
23AQI
12th April 2025
21AQI
21AQI
13th April 2025
18AQI
18AQI
14th April 2025
23AQI
23AQI
15th April 2025
20AQI
20AQI
16th April 2025
19AQI
19AQI
17th April 2025
23AQI
23AQI
18th April 2025
26AQI
26AQI
19th April 2025
29AQI
29AQI
20th April 2025
26AQI
26AQI
21st April 2025
22AQI
22AQI
22nd April 2025
20AQI
20AQI
23rd April 2025
16AQI
16AQI
24th April 2025
21AQI
21AQI
25th April 2025
19AQI
19AQI
26th April 2025
20AQI
20AQI
27th April 2025
21AQI
21AQI
28th April 2025
20AQI
20AQI
29th April 2025
15AQI
15AQI
30th April 2025
20AQI
20AQI
1st May 2025
18AQI
18AQI
2nd May 2025
17AQI
17AQI
3rd May 2025
17AQI
17AQI
4th May 2025
20AQI
20AQI
5th May 2025
18AQI
18AQI
6th May 2025
17AQI
17AQI
7th May 2025
15AQI
15AQI
8th May 2025
17AQI
17AQI
9th May 2025
17AQI
17AQI
10th May 2025
14AQI
14AQI
11th May 2025
17AQI
17AQI
12th May 2025
16AQI
16AQI
13th May 2025
18AQI
18AQI
14th May 2025
18AQI
18AQI
15th May 2025
19AQI
19AQI
16th May 2025
20AQI
20AQI
17th May 2025
19AQI
19AQI
18th May 2025
26AQI
26AQI
19th May 2025
26AQI
26AQI
20th May 2025
58AQI
58AQI
21st May 2025
31AQI
31AQI
22nd May 2025
33AQI
33AQI
23rd May 2025
27AQI
27AQI
24th May 2025
24AQI
24AQI
25th May 2025
19AQI
19AQI
26th May 2025
21AQI
21AQI
27th May 2025
25AQI
25AQI
28th May 2025
17AQI
17AQI
29th May 2025
19AQI
19AQI
30th May 2025
16AQI
16AQI
31st May 2025
14AQI
14AQI
1st June 2025
14AQI
14AQI
2nd June 2025
17AQI
17AQI
3rd June 2025
23AQI
23AQI
4th June 2025
19AQI
19AQI
5th June 2025
22AQI
22AQI
6th June 2025
21AQI
21AQI
7th June 2025
38AQI
38AQI
8th June 2025
30AQI
30AQI
9th June 2025
24AQI
24AQI
10th June 2025
21AQI
21AQI
11th June 2025
18AQI
18AQI
12th June 2025
22AQI
22AQI
13th June 2025
20AQI
20AQI
14th June 2025
19AQI
19AQI
15th June 2025
21AQI
21AQI
16th June 2025
21AQI
21AQI
17th June 2025
27AQI
27AQI
18th June 2025
26AQI
26AQI
19th June 2025
27AQI
27AQI
20th June 2025
26AQI
26AQI
21st June 2025
22AQI
22AQI
22nd June 2025
15AQI
15AQI
23rd June 2025
15AQI
15AQI
24th June 2025
15AQI
15AQI
25th June 2025
18AQI
18AQI
26th June 2025
15AQI
15AQI
27th June 2025
18AQI
18AQI
28th June 2025
17AQI
17AQI
29th June 2025
19AQI
19AQI
30th June 2025
30AQI
30AQI
1st July 2025
32AQI
32AQI
2nd July 2025
40AQI
40AQI
3rd July 2025
40AQI
40AQI
4th July 2025
40AQI
40AQI
5th July 2025
45AQI
45AQI
6th July 2025
57AQI
57AQI
7th July 2025
72AQI
72AQI
8th July 2025
72AQI
72AQI
9th July 2025
74AQI
74AQI
10th July 2025
57AQI
57AQI
11th July 2025
55AQI
55AQI
12th July 2025
57AQI
57AQI
13th July 2025
55AQI
55AQI
14th July 2025
47AQI
47AQI
15th July 2025
46AQI
46AQI
16th July 2025
44AQI
44AQI
17th July 2025
45AQI
45AQI
18th July 2025
40AQI
40AQI
19th July 2025
30AQI
30AQI
20th July 2025
30AQI
30AQI
21st July 2025
31AQI
31AQI
22nd July 2025
30AQI
30AQI
23rd July 2025
33AQI
33AQI
24th July 2025
35AQI
35AQI
25th July 2025
31AQI
31AQI
26th July 2025
28AQI
28AQI
27th July 2025
25AQI
25AQI
28th July 2025
28AQI
28AQI
29th July 2025
34AQI
34AQI
30th July 2025
33AQI
33AQI
31st July 2025
32AQI
32AQI
1st August 2025
34AQI
34AQI
2nd August 2025
42AQI
42AQI
3rd August 2025
45AQI
45AQI
4th August 2025
62AQI
62AQI
5th August 2025
51AQI
51AQI
6th August 2025
53AQI
53AQI
7th August 2025
49AQI
49AQI
8th August 2025
42AQI
42AQI
9th August 2025
46AQI
46AQI
10th August 2025
38AQI
38AQI
11th August 2025
41AQI
41AQI
12th August 2025
36AQI
36AQI
13th August 2025
34AQI
34AQI
14th August 2025
41AQI
41AQI
15th August 2025
38AQI
38AQI
16th August 2025
40AQI
40AQI
17th August 2025
40AQI
40AQI
18th August 2025
44AQI
44AQI
19th August 2025
47AQI
47AQI
20th August 2025
49AQI
49AQI
21st August 2025
52AQI
52AQI
22nd August 2025
52AQI
52AQI
23rd August 2025
48AQI
48AQI
24th August 2025
58AQI
58AQI
25th August 2025
56AQI
56AQI
26th August 2025
54AQI
54AQI
27th August 2025
52AQI
52AQI
28th August 2025
46AQI
46AQI
29th August 2025
52AQI
52AQI
30th August 2025
56AQI
56AQI
31st August 2025
54AQI
54AQI
1st September 2025
44AQI
44AQI
2nd September 2025
39AQI
39AQI
3rd September 2025
38AQI
38AQI
4th September 2025
41AQI
41AQI
5th September 2025
35AQI
35AQI
6th September 2025
30AQI
30AQI
7th September 2025
30AQI
30AQI
8th September 2025
42AQI
42AQI
9th September 2025
43AQI
43AQI
10th September 2025
38AQI
38AQI
11th September 2025
32AQI
32AQI
12th September 2025
32AQI
32AQI
13th September 2025
30AQI
30AQI
14th September 2025
38AQI
38AQI
15th September 2025
34AQI
34AQI
16th September 2025
37AQI
37AQI
17th September 2025
49AQI
49AQI
18th September 2025
52AQI
52AQI
19th September 2025
37AQI
37AQI
20th September 2025
34AQI
34AQI
21st September 2025
29AQI
29AQI
22nd September 2025
30AQI
30AQI
23rd September 2025
29AQI
29AQI
24th September 2025
28AQI
28AQI
25th September 2025
30AQI
30AQI
26th September 2025
45AQI
45AQI
27th September 2025
29AQI
29AQI
28th September 2025
30AQI
30AQI
29th September 2025
26AQI
26AQI
30th September 2025
23AQI
23AQI
1st October 2025
21AQI
21AQI
2nd October 2025
36AQI
36AQI
3rd October 2025
47AQI
47AQI
4th October 2025
49AQI
49AQI
5th October 2025
48AQI
48AQI
6th October 2025
43AQI
43AQI
7th October 2025
39AQI
39AQI
8th October 2025
52AQI
52AQI
9th October 2025
56AQI
56AQI
10th October 2025
11th October 2025
12th October 2025
13th October 2025
14th October 2025
15th October 2025
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
31AQI
30AQI
32AQI
20AQI
21AQI
21AQI
43AQI
47AQI
35AQI
43AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202532AQI
30
1
28
28
3
30
30
1
30
23
8
19
12
29
1
7
2
254
28
Highest AQI recorded in
August47AQI
Lowest AQI recorded in
April20AQI
202439AQI
26
3
27
2
21
8
11
19
25
6
28
2
19
12
25
6
28
2
30
1
30
31
301
61
Highest AQI recorded in
April55AQI
Lowest AQI recorded in
December27AQI
202345AQI
22
7
20
8
20
11
17
13
20
11
18
12
15
16
26
5
27
3
25
6
18
8
23
8
251
108
Highest AQI recorded in
April53AQI
Lowest AQI recorded in
August38AQI
202245AQI
27
4
13
7
16
15
17
12
22
9
14
16
16
5
1
21
7
25
6
21
5
30
1
223
87
Highest AQI recorded in
June51AQI
Lowest AQI recorded in
August30AQI
202143AQI
21
8
20
5
23
4
19
2
19
12
22
8
20
11
22
9
24
6
25
6
21
7
26
5
262
83
Highest AQI recorded in
May50AQI
Lowest AQI recorded in
March38AQI
202045AQI
10
3
17
4
16
2
17
13
27
4
14
16
1
16
3
19
12
15
14
23
8
174
79
1
Highest AQI recorded in
August57AQI
Lowest AQI recorded in
March38AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2020(Avg.)
45AQILeast Polluted Year Recorded
2025(Avg.)
32AQISengencho's annual 2025 AQI (32) shows an average percentage change of -26.8% (improved AQI) compared to previous years: 2020 (45), 2021 (43), 2022 (45), 2023 (45), 2024 (39).
