Isogo, 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
Isogo, Yokohama, Kanagawa, Japan
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
3rd Oct 2022
62AQILowest AQI recorded on
25th Oct 2022
19AQISame Day Analysis (8th October ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 50 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 8th Oct - 9th Oct 2025
Isogo, Yokohama, Kanagawa, Japan
AQI
Day
Night
.
5 AM8th Oct 2025
5 PM
4 AM9th Oct 2025
Day time
Avg. Highest Time
12PM8th Oct
57AQI
Avg. Lowest Time
3PM8th Oct
40AQI
Night time
Avg. Highest Time
9PM8th Oct
62AQI
Avg. Lowest Time
11PM8th Oct
47AQI
In the last 24 hours,
Isogo's AQI reached its highest point of 62 at 9 PM during the Night, while the lowest point, 40, was recorded at 3 PM during the Day between 8th Oct and 9th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Isogo, Yokohama, Kanagawa, Japan
SepOct
09th - 10th10th - 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
Day
Night
9th Sep 2025335 AMAQI
9th Sep 2025326 AMAQI
9th Sep 2025327 AMAQI
9th Sep 2025338 AMAQI
9th Sep 2025489 AMAQI
9th Sep 20254810 AMAQI
9th Sep 20254711 AMAQI
9th Sep 20254612 PMAQI
9th Sep 2025521 PMAQI
9th Sep 2025522 PMAQI
9th Sep 2025573 PMAQI
9th Sep 2025504 PMAQI
9th Sep 2025565 PMAQI
9th Sep 2025646 PMAQI
9th Sep 2025567 PMAQI
9th Sep 2025478 PMAQI
9th Sep 2025379 PMAQI
9th Sep 20253710 PMAQI
9th Sep 20253611 PMAQI
10th Sep 20253412 AMAQI
10th Sep 2025311 AMAQI
10th Sep 2025322 AMAQI
10th Sep 2025313 AMAQI
10th Sep 2025344 AMAQI
28°C27/30°C
10th Sep 2025355 AMAQI
10th Sep 2025356 AMAQI
10th Sep 2025367 AMAQI
10th Sep 2025368 AMAQI
10th Sep 2025589 AMAQI
10th Sep 20255810 AMAQI
10th Sep 20254811 AMAQI
10th Sep 20254912 PMAQI
10th Sep 2025531 PMAQI
10th Sep 2025402 PMAQI
10th Sep 2025483 PMAQI
10th Sep 2025414 PMAQI
10th Sep 2025345 PMAQI
10th Sep 2025326 PMAQI
10th Sep 2025267 PMAQI
10th Sep 2025308 PMAQI
10th Sep 2025329 PMAQI
10th Sep 20252810 PMAQI
10th Sep 20252811 PMAQI
11th Sep 20253012 AMAQI
11th Sep 2025361 AMAQI
11th Sep 2025352 AMAQI
11th Sep 2025363 AMAQI
11th Sep 2025354 AMAQI
28°C27/29°C
11th Sep 2025365 AMAQI
11th Sep 2025356 AMAQI
11th Sep 2025357 AMAQI
11th Sep 2025348 AMAQI
11th Sep 2025199 AMAQI
11th Sep 20253310 AMAQI
11th Sep 20252011 AMAQI
11th Sep 20253212 PMAQI
11th Sep 2025301 PMAQI
11th Sep 2025342 PMAQI
11th Sep 2025273 PMAQI
11th Sep 2025264 PMAQI
11th Sep 2025275 PMAQI
11th Sep 2025276 PMAQI
11th Sep 2025287 PMAQI
11th Sep 2025308 PMAQI
11th Sep 2025289 PMAQI
11th Sep 20252810 PMAQI
11th Sep 20253011 PMAQI
12th Sep 20253312 AMAQI
12th Sep 2025351 AMAQI
12th Sep 2025362 AMAQI
12th Sep 2025363 AMAQI
12th Sep 2025344 AMAQI
27°C24/29°C
12th Sep 2025335 AMAQI
12th Sep 2025356 AMAQI
12th Sep 2025347 AMAQI
12th Sep 2025348 AMAQI
12th Sep 2025269 AMAQI
12th Sep 20253010 AMAQI
12th Sep 20252411 AMAQI
12th Sep 20252612 PMAQI
12th Sep 2025281 PMAQI
12th Sep 2025332 PMAQI
12th Sep 2025283 PMAQI
12th Sep 2025324 PMAQI
12th Sep 2025345 PMAQI
12th Sep 2025366 PMAQI
12th Sep 2025317 PMAQI
12th Sep 2025288 PMAQI
12th Sep 2025329 PMAQI
12th Sep 20252810 PMAQI
12th Sep 20252811 PMAQI
13th Sep 20252912 AMAQI
13th Sep 2025341 AMAQI
13th Sep 2025352 AMAQI
13th Sep 2025343 AMAQI
13th Sep 2025344 AMAQI
25°C24/27°C
13th Sep 2025345 AMAQI
13th Sep 2025336 AMAQI
13th Sep 2025337 AMAQI
13th Sep 2025338 AMAQI
13th Sep 2025259 AMAQI
13th Sep 20251810 AMAQI
13th Sep 20252011 AMAQI
13th Sep 20252612 PMAQI
13th Sep 2025231 PMAQI
13th Sep 2025242 PMAQI
13th Sep 2025263 PMAQI
13th Sep 2025274 PMAQI
13th Sep 2025265 PMAQI
13th Sep 2025326 PMAQI
13th Sep 2025267 PMAQI
13th Sep 2025268 PMAQI
13th Sep 2025269 PMAQI
13th Sep 20252810 PMAQI
13th Sep 20253211 PMAQI
14th Sep 20252712 AMAQI
14th Sep 2025351 AMAQI
14th Sep 2025332 AMAQI
14th Sep 2025343 AMAQI
14th Sep 2025334 AMAQI
27°C25/29°C
14th Sep 2025335 AMAQI
14th Sep 2025326 AMAQI
14th Sep 2025337 AMAQI
14th Sep 2025358 AMAQI
14th Sep 2025259 AMAQI
14th Sep 20252310 AMAQI
14th Sep 20252411 AMAQI
14th Sep 20253012 PMAQI
14th Sep 2025321 PMAQI
14th Sep 2025302 PMAQI
14th Sep 2025363 PMAQI
14th Sep 2025384 PMAQI
14th Sep 2025465 PMAQI
14th Sep 2025526 PMAQI
14th Sep 2025537 PMAQI
14th Sep 2025458 PMAQI
14th Sep 2025429 PMAQI
14th Sep 20253710 PMAQI
14th Sep 20254211 PMAQI
15th Sep 20254212 AMAQI
15th Sep 2025361 AMAQI
15th Sep 2025342 AMAQI
15th Sep 2025343 AMAQI
15th Sep 2025334 AMAQI
29°C27/31°C
15th Sep 2025335 AMAQI
15th Sep 2025346 AMAQI
15th Sep 2025357 AMAQI
15th Sep 2025348 AMAQI
15th Sep 2025469 AMAQI
15th Sep 20255010 AMAQI
15th Sep 20254811 AMAQI
15th Sep 20254312 PMAQI
15th Sep 2025421 PMAQI
15th Sep 2025382 PMAQI
15th Sep 2025303 PMAQI
15th Sep 2025204 PMAQI
15th Sep 2025295 PMAQI
15th Sep 2025286 PMAQI
15th Sep 2025187 PMAQI
15th Sep 2025208 PMAQI
15th Sep 2025329 PMAQI
15th Sep 20253610 PMAQI
15th Sep 20253511 PMAQI
16th Sep 20253412 AMAQI
16th Sep 2025381 AMAQI
16th Sep 2025352 AMAQI
16th Sep 2025343 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 2025509 AMAQI
16th Sep 20255810 AMAQI
16th Sep 20255611 AMAQI
16th Sep 20255612 PMAQI
16th Sep 2025561 PMAQI
16th Sep 2025442 PMAQI
16th Sep 2025503 PMAQI
16th Sep 2025544 PMAQI
16th Sep 2025525 PMAQI
16th Sep 2025246 PMAQI
16th Sep 2025327 PMAQI
16th Sep 2025478 PMAQI
16th Sep 2025449 PMAQI
16th Sep 20254410 PMAQI
16th Sep 20253811 PMAQI
17th Sep 20254112 AMAQI
17th Sep 2025341 AMAQI
17th Sep 2025342 AMAQI
17th Sep 2025353 AMAQI
17th Sep 2025384 AMAQI
28°C26/30°C
17th Sep 2025405 AMAQI
17th Sep 2025406 AMAQI
17th Sep 2025397 AMAQI
17th Sep 2025408 AMAQI
17th Sep 2025529 AMAQI
17th Sep 20255610 AMAQI
17th Sep 20255811 AMAQI
17th Sep 20255912 PMAQI
17th Sep 2025571 PMAQI
17th Sep 2025632 PMAQI
17th Sep 2025583 PMAQI
17th Sep 2025534 PMAQI
17th Sep 2025585 PMAQI
17th Sep 2025586 PMAQI
17th Sep 2025567 PMAQI
17th Sep 2025548 PMAQI
17th Sep 2025549 PMAQI
17th Sep 20255810 PMAQI
17th Sep 20255811 PMAQI
18th Sep 20255812 AMAQI
18th Sep 2025521 AMAQI
18th Sep 2025362 AMAQI
18th Sep 2025363 AMAQI
18th Sep 2025394 AMAQI
29°C27/30°C
18th Sep 2025435 AMAQI
18th Sep 2025436 AMAQI
18th Sep 2025437 AMAQI
18th Sep 2025438 AMAQI
18th Sep 2025649 AMAQI
18th Sep 20257110 AMAQI
18th Sep 20257111 AMAQI
18th Sep 20257012 PMAQI
18th Sep 2025611 PMAQI
18th Sep 2025522 PMAQI
18th Sep 2025703 PMAQI
18th Sep 2025704 PMAQI
18th Sep 2025705 PMAQI
18th Sep 2025586 PMAQI
18th Sep 2025377 PMAQI
18th Sep 2025308 PMAQI
18th Sep 2025349 PMAQI
18th Sep 20253610 PMAQI
18th Sep 20253611 PMAQI
19th Sep 20253412 AMAQI
19th Sep 2025361 AMAQI
19th Sep 2025462 AMAQI
19th Sep 2025463 AMAQI
19th Sep 2025494 AMAQI
29°C24/32°C
19th Sep 2025525 AMAQI
19th Sep 2025536 AMAQI
19th Sep 2025527 AMAQI
19th Sep 2025538 AMAQI
19th Sep 2025279 AMAQI
19th Sep 20251710 AMAQI
19th Sep 20251511 AMAQI
19th Sep 20251812 PMAQI
19th Sep 2025221 PMAQI
19th Sep 2025252 PMAQI
19th Sep 2025293 PMAQI
19th Sep 2025304 PMAQI
19th Sep 2025275 PMAQI
19th Sep 2025236 PMAQI
19th Sep 2025227 PMAQI
19th Sep 2025298 PMAQI
19th Sep 2025389 PMAQI
19th Sep 20253510 PMAQI
19th Sep 20253611 PMAQI
20th Sep 20253512 AMAQI
20th Sep 2025401 AMAQI
20th Sep 2025462 AMAQI
20th Sep 2025463 AMAQI
20th Sep 2025444 AMAQI
23°C22/23°C
20th Sep 2025415 AMAQI
20th Sep 2025416 AMAQI
20th Sep 2025427 AMAQI
20th Sep 2025418 AMAQI
20th Sep 2025229 AMAQI
20th Sep 20252010 AMAQI
20th Sep 20252111 AMAQI
20th Sep 20251212 PMAQI
20th Sep 2025201 PMAQI
20th Sep 2025212 PMAQI
20th Sep 2025233 PMAQI
20th Sep 2025254 PMAQI
20th Sep 2025205 PMAQI
20th Sep 2025266 PMAQI
20th Sep 2025347 PMAQI
20th Sep 2025318 PMAQI
20th Sep 2025359 PMAQI
20th Sep 20253610 PMAQI
20th Sep 20253411 PMAQI
21st Sep 20253512 AMAQI
21st Sep 2025371 AMAQI
21st Sep 2025422 AMAQI
21st Sep 2025423 AMAQI
21st Sep 2025394 AMAQI
24°C23/26°C
21st Sep 2025375 AMAQI
21st Sep 2025366 AMAQI
21st Sep 2025377 AMAQI
21st Sep 2025378 AMAQI
21st Sep 2025289 AMAQI
21st Sep 20251810 AMAQI
21st Sep 20251811 AMAQI
21st Sep 20251512 PMAQI
21st Sep 2025181 PMAQI
21st Sep 2025162 PMAQI
21st Sep 2025153 PMAQI
21st Sep 2025154 PMAQI
21st Sep 2025145 PMAQI
21st Sep 2025146 PMAQI
21st Sep 2025157 PMAQI
21st Sep 2025228 PMAQI
21st Sep 2025309 PMAQI
21st Sep 20253010 PMAQI
21st Sep 20253211 PMAQI
22nd Sep 20253112 AMAQI
22nd Sep 2025341 AMAQI
22nd Sep 2025382 AMAQI
22nd Sep 2025383 AMAQI
22nd Sep 2025364 AMAQI
26°C23/30°C
22nd Sep 2025345 AMAQI
22nd Sep 2025346 AMAQI
22nd Sep 2025347 AMAQI
22nd Sep 2025348 AMAQI
22nd Sep 2025249 AMAQI
22nd Sep 20251810 AMAQI
22nd Sep 20251911 AMAQI
22nd Sep 20252112 PMAQI
22nd Sep 2025301 PMAQI
22nd Sep 2025242 PMAQI
22nd Sep 2025183 PMAQI
22nd Sep 2025224 PMAQI
22nd Sep 2025235 PMAQI
22nd Sep 2025226 PMAQI
22nd Sep 2025227 PMAQI
22nd Sep 2025268 PMAQI
22nd Sep 2025279 PMAQI
22nd Sep 20252810 PMAQI
22nd Sep 20252911 PMAQI
23rd Sep 20252812 AMAQI
23rd Sep 2025321 AMAQI
23rd Sep 2025352 AMAQI
23rd Sep 2025353 AMAQI
23rd Sep 2025344 AMAQI
24°C22/25°C
23rd Sep 2025325 AMAQI
23rd Sep 2025326 AMAQI
23rd Sep 2025327 AMAQI
23rd Sep 2025328 AMAQI
23rd Sep 2025239 AMAQI
23rd Sep 20251910 AMAQI
23rd Sep 20252311 AMAQI
23rd Sep 20252412 PMAQI
23rd Sep 2025241 PMAQI
23rd Sep 2025232 PMAQI
23rd Sep 2025143 PMAQI
23rd Sep 2025184 PMAQI
23rd Sep 2025185 PMAQI
23rd Sep 2025166 PMAQI
23rd Sep 2025167 PMAQI
23rd Sep 2025238 PMAQI
23rd Sep 2025289 PMAQI
23rd Sep 20252810 PMAQI
23rd Sep 20252811 PMAQI
24th Sep 20252612 AMAQI
24th Sep 2025281 AMAQI
24th Sep 2025322 AMAQI
24th Sep 2025323 AMAQI
24th Sep 2025324 AMAQI
23°C21/26°C
24th Sep 2025305 AMAQI
24th Sep 2025316 AMAQI
24th Sep 2025307 AMAQI
24th Sep 2025308 AMAQI
24th Sep 2025189 AMAQI
24th Sep 20251510 AMAQI
24th Sep 20251411 AMAQI
24th Sep 20251512 PMAQI
24th Sep 2025241 PMAQI
24th Sep 2025302 PMAQI
24th Sep 2025333 PMAQI
24th Sep 2025384 PMAQI
24th Sep 2025405 PMAQI
24th Sep 2025356 PMAQI
24th Sep 2025267 PMAQI
24th Sep 2025238 PMAQI
24th Sep 2025249 PMAQI
24th Sep 20252210 PMAQI
24th Sep 20252211 PMAQI
25th Sep 20252112 AMAQI
25th Sep 2025271 AMAQI
25th Sep 2025302 AMAQI
25th Sep 2025303 AMAQI
25th Sep 2025294 AMAQI
23°C22/26°C
25th Sep 2025285 AMAQI
25th Sep 2025276 AMAQI
25th Sep 2025287 AMAQI
25th Sep 2025288 AMAQI
25th Sep 2025299 AMAQI
25th Sep 20253610 AMAQI
25th Sep 20252811 AMAQI
25th Sep 20252412 PMAQI
25th Sep 2025221 PMAQI
25th Sep 2025272 PMAQI
25th Sep 2025323 PMAQI
25th Sep 2025324 PMAQI
25th Sep 2025335 PMAQI
25th Sep 2025326 PMAQI
25th Sep 2025297 PMAQI
25th Sep 2025288 PMAQI
25th Sep 2025289 PMAQI
25th Sep 20252710 PMAQI
25th Sep 20252911 PMAQI
26th Sep 20253012 AMAQI
26th Sep 2025281 AMAQI
26th Sep 2025322 AMAQI
26th Sep 2025333 AMAQI
26th Sep 2025404 AMAQI
24°C22/26°C
26th Sep 2025355 AMAQI
26th Sep 2025546 AMAQI
26th Sep 2025417 AMAQI
26th Sep 2025418 AMAQI
26th Sep 2025359 AMAQI
26th Sep 20253010 AMAQI
26th Sep 20254411 AMAQI
26th Sep 20255312 PMAQI
26th Sep 2025551 PMAQI
26th Sep 2025802 PMAQI
26th Sep 2025833 PMAQI
26th Sep 20251104 PMAQI
26th Sep 2025835 PMAQI
26th Sep 2025646 PMAQI
26th Sep 2025597 PMAQI
26th Sep 2025428 PMAQI
26th Sep 2025379 PMAQI
26th Sep 20253410 PMAQI
26th Sep 20253211 PMAQI
27th Sep 20253012 AMAQI
27th Sep 2025331 AMAQI
27th Sep 2025332 AMAQI
27th Sep 2025303 AMAQI
27th Sep 2025294 AMAQI
26°C25/29°C
27th Sep 2025295 AMAQI
27th Sep 2025286 AMAQI
27th Sep 2025217 AMAQI
27th Sep 2025268 AMAQI
27th Sep 2025239 AMAQI
27th Sep 20252710 AMAQI
27th Sep 20252611 AMAQI
27th Sep 20253212 PMAQI
27th Sep 2025301 PMAQI
27th Sep 2025312 PMAQI
27th Sep 2025233 PMAQI
27th Sep 2025184 PMAQI
27th Sep 2025175 PMAQI
27th Sep 2025146 PMAQI
27th Sep 2025157 PMAQI
27th Sep 2025308 PMAQI
27th Sep 2025339 PMAQI
27th Sep 20252910 PMAQI
27th Sep 20252411 PMAQI
28th Sep 20251812 AMAQI
28th Sep 2025291 AMAQI
28th Sep 2025202 AMAQI
28th Sep 2025333 AMAQI
28th Sep 2025344 AMAQI
24°C23/26°C
28th Sep 2025335 AMAQI
28th Sep 2025386 AMAQI
28th Sep 2025307 AMAQI
28th Sep 2025338 AMAQI
28th Sep 2025349 AMAQI
28th Sep 20253310 AMAQI
28th Sep 20253811 AMAQI
28th Sep 20254012 PMAQI
28th Sep 2025351 PMAQI
28th Sep 2025382 PMAQI
28th Sep 2025253 PMAQI
28th Sep 2025254 PMAQI
28th Sep 2025185 PMAQI
28th Sep 2025176 PMAQI
28th Sep 2025177 PMAQI
28th Sep 2025178 PMAQI
28th Sep 2025309 PMAQI
28th Sep 20253410 PMAQI
28th Sep 20252211 PMAQI
29th Sep 20252012 AMAQI
29th Sep 2025211 AMAQI
29th Sep 2025182 AMAQI
29th Sep 2025143 AMAQI
29th Sep 2025214 AMAQI
25°C24/27°C
29th Sep 2025225 AMAQI
29th Sep 2025366 AMAQI
29th Sep 2025257 AMAQI
29th Sep 2025298 AMAQI
29th Sep 2025339 AMAQI
29th Sep 20252410 AMAQI
29th Sep 20252211 AMAQI
29th Sep 20252212 PMAQI
29th Sep 2025231 PMAQI
29th Sep 2025372 PMAQI
29th Sep 2025343 PMAQI
29th Sep 2025244 PMAQI
29th Sep 2025275 PMAQI
29th Sep 2025326 PMAQI
29th Sep 2025337 PMAQI
29th Sep 2025328 PMAQI
29th Sep 2025289 PMAQI
29th Sep 20253010 PMAQI
29th Sep 20253111 PMAQI
30th Sep 20253312 AMAQI
30th Sep 2025391 AMAQI
30th Sep 2025292 AMAQI
30th Sep 2025203 AMAQI
30th Sep 2025194 AMAQI
26°C24/29°C
30th Sep 2025185 AMAQI
30th Sep 2025216 AMAQI
30th Sep 2025197 AMAQI
30th Sep 2025168 AMAQI
30th Sep 2025199 AMAQI
30th Sep 20252610 AMAQI
30th Sep 20252011 AMAQI
30th Sep 20252612 PMAQI
30th Sep 2025261 PMAQI
30th Sep 2025262 PMAQI
30th Sep 2025263 PMAQI
30th Sep 2025294 PMAQI
30th Sep 2025335 PMAQI
30th Sep 2025306 PMAQI
30th Sep 2025347 PMAQI
30th Sep 2025318 PMAQI
30th Sep 2025309 PMAQI
30th Sep 20252710 PMAQI
30th Sep 20252611 PMAQI
1st Oct 20253012 AMAQI
1st Oct 2025371 AMAQI
1st Oct 2025362 AMAQI
1st Oct 2025313 AMAQI
1st Oct 2025284 AMAQI
24°C22/26°C
1st Oct 2025375 AMAQI
1st Oct 2025356 AMAQI
1st Oct 2025277 AMAQI
1st Oct 2025308 AMAQI
1st Oct 2025229 AMAQI
1st Oct 20252410 AMAQI
1st Oct 20252711 AMAQI
1st Oct 20252112 PMAQI
1st Oct 2025181 PMAQI
1st Oct 2025112 PMAQI
1st Oct 2025113 PMAQI
1st Oct 2025114 PMAQI
1st Oct 2025115 PMAQI
1st Oct 2025126 PMAQI
1st Oct 2025127 PMAQI
1st Oct 2025198 PMAQI
1st Oct 2025219 PMAQI
1st Oct 20252210 PMAQI
1st Oct 20251911 PMAQI
2nd Oct 20251112 AMAQI
2nd Oct 2025381 AMAQI
2nd Oct 2025462 AMAQI
2nd Oct 2025513 AMAQI
2nd Oct 2025524 AMAQI
21°C20/21°C
2nd Oct 2025535 AMAQI
2nd Oct 2025496 AMAQI
2nd Oct 2025487 AMAQI
2nd Oct 2025378 AMAQI
2nd Oct 2025379 AMAQI
2nd Oct 20253710 AMAQI
2nd Oct 20253611 AMAQI
2nd Oct 20254412 PMAQI
2nd Oct 2025441 PMAQI
2nd Oct 2025482 PMAQI
2nd Oct 2025523 PMAQI
2nd Oct 2025494 PMAQI
2nd Oct 2025535 PMAQI
2nd Oct 2025516 PMAQI
2nd Oct 2025477 PMAQI
2nd Oct 2025528 PMAQI
2nd Oct 2025419 PMAQI
2nd Oct 20253810 PMAQI
2nd Oct 20255011 PMAQI
3rd Oct 20255312 AMAQI
3rd Oct 2025551 AMAQI
3rd Oct 2025552 AMAQI
3rd Oct 2025503 AMAQI
3rd Oct 2025554 AMAQI
23°C21/26°C
3rd Oct 2025505 AMAQI
3rd Oct 2025466 AMAQI
3rd Oct 2025367 AMAQI
3rd Oct 2025438 AMAQI
3rd Oct 2025519 AMAQI
3rd Oct 20254610 AMAQI
3rd Oct 20253511 AMAQI
3rd Oct 20254012 PMAQI
3rd Oct 2025461 PMAQI
3rd Oct 2025462 PMAQI
3rd Oct 2025463 PMAQI
3rd Oct 2025454 PMAQI
3rd Oct 2025455 PMAQI
3rd Oct 2025456 PMAQI
3rd Oct 2025387 PMAQI
3rd Oct 2025408 PMAQI
3rd Oct 2025419 PMAQI
3rd Oct 20254310 PMAQI
3rd Oct 20254511 PMAQI
4th Oct 20255712 AMAQI
4th Oct 2025581 AMAQI
4th Oct 2025512 AMAQI
4th Oct 2025483 AMAQI
4th Oct 2025524 AMAQI
24°C23/25°C
4th Oct 2025555 AMAQI
4th Oct 2025606 AMAQI
4th Oct 2025607 AMAQI
4th Oct 2025588 AMAQI
4th Oct 2025579 AMAQI
4th Oct 20255810 AMAQI
4th Oct 20256011 AMAQI
4th Oct 20255712 PMAQI
4th Oct 2025551 PMAQI
4th Oct 2025552 PMAQI
4th Oct 2025563 PMAQI
4th Oct 2025584 PMAQI
4th Oct 2025575 PMAQI
4th Oct 2025206 PMAQI
4th Oct 2025267 PMAQI
4th Oct 2025308 PMAQI
4th Oct 2025299 PMAQI
4th Oct 20253110 PMAQI
4th Oct 20254211 PMAQI
5th Oct 20254812 AMAQI
5th Oct 2025551 AMAQI
5th Oct 2025572 AMAQI
5th Oct 2025523 AMAQI
5th Oct 2025464 AMAQI
23°C23/24°C
5th Oct 2025465 AMAQI
5th Oct 2025406 AMAQI
5th Oct 2025417 AMAQI
5th Oct 2025388 AMAQI
5th Oct 2025389 AMAQI
5th Oct 20254410 AMAQI
5th Oct 20254511 AMAQI
5th Oct 20255012 PMAQI
5th Oct 2025521 PMAQI
5th Oct 2025492 PMAQI
5th Oct 2025493 PMAQI
5th Oct 2025614 PMAQI
5th Oct 2025555 PMAQI
5th Oct 2025526 PMAQI
5th Oct 2025547 PMAQI
5th Oct 2025558 PMAQI
5th Oct 2025479 PMAQI
5th Oct 20254810 PMAQI
5th Oct 20255011 PMAQI
6th Oct 20254512 AMAQI
6th Oct 2025431 AMAQI
6th Oct 2025522 AMAQI
6th Oct 2025413 AMAQI
6th Oct 2025364 AMAQI
24°C22/26°C
6th Oct 2025465 AMAQI
6th Oct 2025546 AMAQI
6th Oct 2025547 AMAQI
6th Oct 2025288 AMAQI
6th Oct 2025489 AMAQI
6th Oct 20254810 AMAQI
6th Oct 20255511 AMAQI
6th Oct 20254712 PMAQI
6th Oct 2025491 PMAQI
6th Oct 2025572 PMAQI
6th Oct 2025513 PMAQI
6th Oct 2025524 PMAQI
6th Oct 2025595 PMAQI
6th Oct 2025486 PMAQI
6th Oct 2025527 PMAQI
6th Oct 2025568 PMAQI
6th Oct 2025529 PMAQI
6th Oct 20255110 PMAQI
6th Oct 20255611 PMAQI
7th Oct 20254612 AMAQI
7th Oct 2025461 AMAQI
7th Oct 2025482 AMAQI
24°C22/27°C
7th Oct 2025388 PMAQI
7th Oct 2025269 PMAQI
7th Oct 20254410 PMAQI
7th Oct 20254811 PMAQI
8th Oct 20255012 AMAQI
8th Oct 2025501 AMAQI
8th Oct 2025532 AMAQI
8th Oct 2025553 AMAQI
8th Oct 2025544 AMAQI
22°C21/24°C
8th Oct 2025525 AMAQI
8th Oct 2025406 AMAQI
8th Oct 2025417 AMAQI
8th Oct 2025548 AMAQI
8th Oct 2025519 AMAQI
8th Oct 20254510 AMAQI
8th Oct 20254811 AMAQI
8th Oct 20255712 PMAQI
8th Oct 2025571 PMAQI
8th Oct 2025482 PMAQI
8th Oct 2025403 PMAQI
8th Oct 2025504 PMAQI
8th Oct 2025575 PMAQI
8th Oct 2025516 PMAQI
8th Oct 2025567 PMAQI
8th Oct 2025578 PMAQI
8th Oct 2025629 PMAQI
8th Oct 20255410 PMAQI
8th Oct 20254711 PMAQI
9th Oct 20255812 AMAQI
9th Oct 2025561 AMAQI
9th Oct 2025562 AMAQI
9th Oct 2025573 AMAQI
9th Oct 2025554 AMAQI
23°C21/25°C
9th Oct 2025595 AMAQI
5 AM9th Oct 2025576 AMAQI
9th Oct 2025517 AMAQI
9th Oct 2025498 AMAQI
9th Oct 2025559 AMAQI
9th Oct 20255510 AMAQI
9th Oct 20255411 AMAQI
11 AM9th Oct 20255312 PMAQI
9th Oct 2025421 PMAQI
9th Oct 2025442 PMAQI
9th Oct 2025543 PMAQI
9th Oct 2025584 PMAQI
9th Oct 2025645 PMAQI
5 PM11 PM
4 AM
--°C/°C
Day time
Avg. Highest Time
12 PM - 5 PM
38AQI
6 hours / Day
180 hours / Month
Avg. Lowest Time
7 AM - 11 AM
36AQI
5 hours / Day
150 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 PM to 5 PM (Avg. 38), while the lowest AQI was between 7 AM to 11 AM (Avg. 36).
Night time
Avg. Highest Time
1 AM - 4 AM
38AQI
4 hours / Day
120 hours / Month
Avg. Lowest Time
7 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 7 PM to 7 PM (Avg. 33).
2025 Days Vs Air Quality
Isogo, Yokohama, Kanagawa, Japan
2025
92%
259
8%
22
Total number of days with different AQI categories in last 282 days in 2025 (83 days remaining)
Good
259 DaysModerate
22 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 92%
Health Risk Level:
Very Low
In 2025, 92% of 282 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
Isogo, 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
27AQI
27AQI
2nd January 2025
30AQI
30AQI
3rd January 2025
24AQI
24AQI
4th January 2025
26AQI
26AQI
5th January 2025
22AQI
22AQI
6th January 2025
50AQI
50AQI
7th January 2025
33AQI
33AQI
8th January 2025
36AQI
36AQI
9th January 2025
31AQI
31AQI
10th January 2025
27AQI
27AQI
11th January 2025
22AQI
22AQI
12th January 2025
25AQI
25AQI
13th January 2025
30AQI
30AQI
14th January 2025
25AQI
25AQI
15th January 2025
31AQI
31AQI
16th January 2025
21AQI
21AQI
17th January 2025
26AQI
26AQI
18th January 2025
25AQI
25AQI
19th January 2025
27AQI
27AQI
20th January 2025
27AQI
27AQI
21st January 2025
30AQI
30AQI
22nd January 2025
34AQI
34AQI
23rd January 2025
37AQI
37AQI
24th January 2025
34AQI
34AQI
25th January 2025
33AQI
33AQI
26th January 2025
33AQI
33AQI
27th January 2025
26AQI
26AQI
28th January 2025
30AQI
30AQI
29th January 2025
29AQI
29AQI
30th January 2025
27AQI
27AQI
31st January 2025
26AQI
26AQI
1st February 2025
22AQI
22AQI
2nd February 2025
25AQI
25AQI
3rd February 2025
28AQI
28AQI
4th February 2025
28AQI
28AQI
5th February 2025
29AQI
29AQI
6th February 2025
28AQI
28AQI
7th February 2025
28AQI
28AQI
8th February 2025
28AQI
28AQI
9th February 2025
28AQI
28AQI
10th February 2025
25AQI
25AQI
11th February 2025
29AQI
29AQI
12th February 2025
28AQI
28AQI
13th February 2025
31AQI
31AQI
14th February 2025
26AQI
26AQI
15th February 2025
29AQI
29AQI
16th February 2025
28AQI
28AQI
17th February 2025
34AQI
34AQI
18th February 2025
28AQI
28AQI
19th February 2025
29AQI
29AQI
20th February 2025
27AQI
27AQI
21st February 2025
29AQI
29AQI
22nd February 2025
29AQI
29AQI
23rd February 2025
31AQI
31AQI
24th February 2025
32AQI
32AQI
25th February 2025
32AQI
32AQI
26th February 2025
34AQI
34AQI
27th February 2025
35AQI
35AQI
28th February 2025
38AQI
38AQI
1st March 2025
54AQI
54AQI
2nd March 2025
42AQI
42AQI
3rd March 2025
38AQI
38AQI
4th March 2025
29AQI
29AQI
5th March 2025
29AQI
29AQI
6th March 2025
29AQI
29AQI
7th March 2025
32AQI
32AQI
8th March 2025
29AQI
29AQI
9th March 2025
33AQI
33AQI
10th March 2025
31AQI
31AQI
11th March 2025
29AQI
29AQI
12th March 2025
33AQI
33AQI
13th March 2025
32AQI
32AQI
14th March 2025
24AQI
24AQI
15th March 2025
22AQI
22AQI
16th March 2025
18AQI
18AQI
17th March 2025
17AQI
17AQI
18th March 2025
17AQI
17AQI
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
30AQI
30AQI
25th March 2025
44AQI
44AQI
26th March 2025
63AQI
63AQI
27th March 2025
55AQI
55AQI
28th March 2025
38AQI
38AQI
29th March 2025
31AQI
31AQI
30th March 2025
30AQI
30AQI
31st March 2025
26AQI
26AQI
1st April 2025
23AQI
23AQI
2nd April 2025
21AQI
21AQI
3rd April 2025
18AQI
18AQI
4th April 2025
19AQI
19AQI
5th April 2025
17AQI
17AQI
6th April 2025
16AQI
16AQI
7th April 2025
16AQI
16AQI
8th April 2025
19AQI
19AQI
9th April 2025
19AQI
19AQI
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
20AQI
20AQI
17th April 2025
24AQI
24AQI
18th April 2025
29AQI
29AQI
19th April 2025
33AQI
33AQI
20th April 2025
25AQI
25AQI
21st April 2025
25AQI
25AQI
22nd April 2025
21AQI
21AQI
23rd April 2025
17AQI
17AQI
24th April 2025
21AQI
21AQI
25th April 2025
19AQI
19AQI
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
19AQI
19AQI
2nd May 2025
17AQI
17AQI
3rd May 2025
17AQI
17AQI
4th May 2025
25AQI
25AQI
5th May 2025
19AQI
19AQI
6th May 2025
19AQI
19AQI
7th May 2025
16AQI
16AQI
8th May 2025
17AQI
17AQI
9th May 2025
18AQI
18AQI
10th May 2025
15AQI
15AQI
11th May 2025
17AQI
17AQI
12th May 2025
16AQI
16AQI
13th May 2025
22AQI
22AQI
14th May 2025
20AQI
20AQI
15th May 2025
21AQI
21AQI
16th May 2025
21AQI
21AQI
17th May 2025
19AQI
19AQI
18th May 2025
25AQI
25AQI
19th May 2025
30AQI
30AQI
20th May 2025
58AQI
58AQI
21st May 2025
33AQI
33AQI
22nd May 2025
32AQI
32AQI
23rd May 2025
27AQI
27AQI
24th May 2025
26AQI
26AQI
25th May 2025
21AQI
21AQI
26th May 2025
22AQI
22AQI
27th May 2025
23AQI
23AQI
28th May 2025
17AQI
17AQI
29th May 2025
20AQI
20AQI
30th May 2025
16AQI
16AQI
31st May 2025
14AQI
14AQI
1st June 2025
14AQI
14AQI
2nd June 2025
20AQI
20AQI
3rd June 2025
23AQI
23AQI
4th June 2025
18AQI
18AQI
5th June 2025
23AQI
23AQI
6th June 2025
26AQI
26AQI
7th June 2025
38AQI
38AQI
8th June 2025
33AQI
33AQI
9th June 2025
29AQI
29AQI
10th June 2025
25AQI
25AQI
11th June 2025
24AQI
24AQI
12th June 2025
27AQI
27AQI
13th June 2025
25AQI
25AQI
14th June 2025
21AQI
21AQI
15th June 2025
26AQI
26AQI
16th June 2025
25AQI
25AQI
17th June 2025
34AQI
34AQI
18th June 2025
30AQI
30AQI
19th June 2025
27AQI
27AQI
20th June 2025
25AQI
25AQI
21st June 2025
19AQI
19AQI
22nd June 2025
11AQI
11AQI
23rd June 2025
14AQI
14AQI
24th June 2025
16AQI
16AQI
25th June 2025
20AQI
20AQI
26th June 2025
16AQI
16AQI
27th June 2025
21AQI
21AQI
28th June 2025
21AQI
21AQI
29th June 2025
23AQI
23AQI
30th June 2025
33AQI
33AQI
1st July 2025
33AQI
33AQI
2nd July 2025
39AQI
39AQI
3rd July 2025
33AQI
33AQI
4th July 2025
39AQI
39AQI
5th July 2025
51AQI
51AQI
6th July 2025
64AQI
64AQI
7th July 2025
79AQI
79AQI
8th July 2025
76AQI
76AQI
9th July 2025
70AQI
70AQI
10th July 2025
50AQI
50AQI
11th July 2025
49AQI
49AQI
12th July 2025
54AQI
54AQI
13th July 2025
50AQI
50AQI
14th July 2025
41AQI
41AQI
15th July 2025
41AQI
41AQI
16th July 2025
40AQI
40AQI
17th July 2025
42AQI
42AQI
18th July 2025
35AQI
35AQI
19th July 2025
31AQI
31AQI
20th July 2025
30AQI
30AQI
21st July 2025
30AQI
30AQI
22nd July 2025
30AQI
30AQI
23rd July 2025
30AQI
30AQI
24th July 2025
32AQI
32AQI
25th July 2025
26AQI
26AQI
26th July 2025
25AQI
25AQI
27th July 2025
22AQI
22AQI
28th July 2025
25AQI
25AQI
29th July 2025
30AQI
30AQI
30th July 2025
27AQI
27AQI
31st July 2025
28AQI
28AQI
1st August 2025
34AQI
34AQI
2nd August 2025
41AQI
41AQI
3rd August 2025
45AQI
45AQI
4th August 2025
64AQI
64AQI
5th August 2025
52AQI
52AQI
6th August 2025
51AQI
51AQI
7th August 2025
49AQI
49AQI
8th August 2025
42AQI
42AQI
9th August 2025
46AQI
46AQI
10th August 2025
37AQI
37AQI
11th August 2025
39AQI
39AQI
12th August 2025
35AQI
35AQI
13th August 2025
33AQI
33AQI
14th August 2025
36AQI
36AQI
15th August 2025
36AQI
36AQI
16th August 2025
38AQI
38AQI
17th August 2025
40AQI
40AQI
18th August 2025
43AQI
43AQI
19th August 2025
46AQI
46AQI
20th August 2025
48AQI
48AQI
21st August 2025
51AQI
51AQI
22nd August 2025
51AQI
51AQI
23rd August 2025
47AQI
47AQI
24th August 2025
58AQI
58AQI
25th August 2025
56AQI
56AQI
26th August 2025
54AQI
54AQI
27th August 2025
52AQI
52AQI
28th August 2025
47AQI
47AQI
29th August 2025
52AQI
52AQI
30th August 2025
55AQI
55AQI
31st August 2025
53AQI
53AQI
1st September 2025
42AQI
42AQI
2nd September 2025
38AQI
38AQI
3rd September 2025
37AQI
37AQI
4th September 2025
40AQI
40AQI
5th September 2025
29AQI
29AQI
6th September 2025
29AQI
29AQI
7th September 2025
30AQI
30AQI
8th September 2025
40AQI
40AQI
9th September 2025
42AQI
42AQI
10th September 2025
37AQI
37AQI
11th September 2025
31AQI
31AQI
12th September 2025
32AQI
32AQI
13th September 2025
29AQI
29AQI
14th September 2025
36AQI
36AQI
15th September 2025
34AQI
34AQI
16th September 2025
42AQI
42AQI
17th September 2025
49AQI
49AQI
18th September 2025
49AQI
49AQI
19th September 2025
34AQI
34AQI
20th September 2025
32AQI
32AQI
21st September 2025
27AQI
27AQI
22nd September 2025
28AQI
28AQI
23rd September 2025
26AQI
26AQI
24th September 2025
27AQI
27AQI
25th September 2025
29AQI
29AQI
26th September 2025
47AQI
47AQI
27th September 2025
26AQI
26AQI
28th September 2025
28AQI
28AQI
29th September 2025
27AQI
27AQI
30th September 2025
26AQI
26AQI
1st October 2025
23AQI
23AQI
2nd October 2025
45AQI
45AQI
3rd October 2025
46AQI
46AQI
4th October 2025
48AQI
48AQI
5th October 2025
49AQI
49AQI
6th October 2025
50AQI
50AQI
7th October 2025
42AQI
42AQI
8th October 2025
50AQI
50AQI
9th October 2025
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
29AQI
29AQI
31AQI
21AQI
22AQI
24AQI
40AQI
46AQI
34AQI
44AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202531AQI
31
28
28
3
30
30
1
30
25
6
19
12
30
8
259
22
Highest AQI recorded in
August46AQI
Lowest AQI recorded in
April21AQI
202433AQI
31
29
30
1
27
3
28
3
28
2
23
8
31
30
30
1
29
1
31
347
19
Highest AQI recorded in
May40AQI
Lowest AQI recorded in
December26AQI
202329AQI
31
24
4
31
30
31
30
31
31
29
1
31
26
31
356
5
Highest AQI recorded in
April36AQI
Lowest AQI recorded in
August21AQI
202235AQI
29
2
21
28
3
29
1
26
5
19
11
20
3
1
1
26
3
30
1
26
31
286
30
Highest AQI recorded in
June47AQI
Lowest AQI recorded in
December26AQI
202130AQI
31
27
1
30
1
30
30
1
27
3
21
10
22
9
25
5
28
3
22
6
25
6
318
45
Highest AQI recorded in
July43AQI
Lowest AQI recorded in
January12AQI
202028AQI
12
1
20
1
18
20
10
27
4
17
13
1
19
31
28
1
31
223
30
1
Highest AQI recorded in
August50AQI
Lowest AQI recorded in
September12AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2022(Avg.)
35AQILeast Polluted Year Recorded
2020(Avg.)
28AQIIsogo's annual 2025 AQI (31) shows an average percentage change of 1.8% (worsened AQI) compared to previous years: 2020 (28), 2021 (30), 2022 (35), 2023 (29), 2024 (33).
