Ochikawa, Kunitachi, Tokyo, 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
Ochikawa, Kunitachi, Tokyo, Japan
2022
2023
2024
2025
2026
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
4th Aug 2025
62AQILowest AQI recorded on
16th Aug 2024
14AQISame Day Analysis (3rd August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 4th highest AQI at 14 of Good air quality, showing improvement over 2025, 2024 and 2023 on the same day.
Day & Night AQI Trend: 2nd Aug - 3rd Aug 2026
Ochikawa, Kunitachi, Tokyo, Japan
AQI
Day
Night
.
4 AM2nd Aug 2026
6 PM
3 AM3rd Aug 2026
Day time
Avg. Highest Time
4AM2nd Aug
59AQI
Avg. Lowest Time
2PM2nd Aug
50AQI
Night time
Avg. Highest Time
7PM2nd Aug
53AQI
Avg. Lowest Time
3AM3rd Aug
8AQI
In the last 24 hours,
Ochikawa's AQI reached its highest point of 59 at 4 AM during the Day, while the lowest point, 8, was recorded at 3 AM during the Night between 2nd Aug and 3rd Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Ochikawa, Kunitachi, Tokyo, 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
Day
Night
5th Jul 2026124 AMAQI
5th Jul 2026125 AMAQI
5th Jul 2026106 AMAQI
5th Jul 2026127 AMAQI
5th Jul 202688 AMAQI
5th Jul 2026129 AMAQI
5th Jul 2026810 AMAQI
5th Jul 2026811 AMAQI
5th Jul 20261212 PMAQI
5th Jul 2026121 PMAQI
5th Jul 2026122 PMAQI
5th Jul 2026123 PMAQI
5th Jul 2026174 PMAQI
5th Jul 2026175 PMAQI
5th Jul 2026176 PMAQI
5th Jul 2026237 PMAQI
5th Jul 2026238 PMAQI
5th Jul 2026259 PMAQI
5th Jul 20262510 PMAQI
5th Jul 20262311 PMAQI
6th Jul 20262512 AMAQI
6th Jul 2026271 AMAQI
6th Jul 2026272 AMAQI
6th Jul 2026233 AMAQI
24°C22/27°C
6th Jul 2026254 AMAQI
6th Jul 2026235 AMAQI
6th Jul 2026256 AMAQI
6th Jul 2026257 AMAQI
6th Jul 2026258 AMAQI
6th Jul 2026259 AMAQI
6th Jul 20262310 AMAQI
6th Jul 20262011 AMAQI
6th Jul 20262012 PMAQI
6th Jul 2026201 PMAQI
6th Jul 2026222 PMAQI
6th Jul 2026253 PMAQI
6th Jul 2026264 PMAQI
6th Jul 2026205 PMAQI
6th Jul 2026206 PMAQI
6th Jul 2026237 PMAQI
6th Jul 2026288 PMAQI
6th Jul 2026259 PMAQI
6th Jul 20262610 PMAQI
6th Jul 20262611 PMAQI
7th Jul 20262812 AMAQI
7th Jul 2026281 AMAQI
7th Jul 2026302 AMAQI
7th Jul 2026303 AMAQI
22°C21/23°C
7th Jul 2026284 AMAQI
7th Jul 2026305 AMAQI
7th Jul 2026296 AMAQI
7th Jul 2026247 AMAQI
7th Jul 2026228 AMAQI
7th Jul 2026229 AMAQI
7th Jul 20262410 AMAQI
7th Jul 20262211 AMAQI
7th Jul 20262212 PMAQI
7th Jul 2026211 PMAQI
7th Jul 2026222 PMAQI
7th Jul 2026273 PMAQI
7th Jul 2026224 PMAQI
7th Jul 2026285 PMAQI
7th Jul 2026286 PMAQI
7th Jul 2026267 PMAQI
7th Jul 2026248 PMAQI
7th Jul 2026279 PMAQI
7th Jul 20262610 PMAQI
7th Jul 20262411 PMAQI
8th Jul 20263012 AMAQI
8th Jul 2026281 AMAQI
8th Jul 2026322 AMAQI
8th Jul 2026303 AMAQI
24°C20/29°C
8th Jul 2026294 AMAQI
8th Jul 2026305 AMAQI
8th Jul 2026286 AMAQI
8th Jul 2026307 AMAQI
8th Jul 2026308 AMAQI
8th Jul 2026269 AMAQI
8th Jul 20262410 AMAQI
8th Jul 20262411 AMAQI
8th Jul 20262412 PMAQI
8th Jul 2026221 PMAQI
8th Jul 2026242 PMAQI
8th Jul 2026243 PMAQI
8th Jul 2026244 PMAQI
8th Jul 2026245 PMAQI
8th Jul 2026246 PMAQI
8th Jul 2026217 PMAQI
8th Jul 2026208 PMAQI
8th Jul 2026229 PMAQI
8th Jul 20262110 PMAQI
8th Jul 20262611 PMAQI
9th Jul 20262712 AMAQI
9th Jul 2026191 AMAQI
9th Jul 2026262 AMAQI
9th Jul 2026263 AMAQI
25°C21/29°C
9th Jul 2026164 AMAQI
9th Jul 2026265 AMAQI
9th Jul 2026246 AMAQI
9th Jul 2026287 AMAQI
9th Jul 2026248 AMAQI
9th Jul 2026249 AMAQI
9th Jul 20262510 AMAQI
9th Jul 20262211 AMAQI
9th Jul 20262412 PMAQI
9th Jul 2026221 PMAQI
9th Jul 2026252 PMAQI
9th Jul 2026263 PMAQI
9th Jul 2026254 PMAQI
9th Jul 2026245 PMAQI
9th Jul 2026246 PMAQI
9th Jul 2026127 PMAQI
9th Jul 2026148 PMAQI
9th Jul 2026179 PMAQI
9th Jul 20262410 PMAQI
9th Jul 20262611 PMAQI
10th Jul 20262512 AMAQI
10th Jul 2026241 AMAQI
10th Jul 2026242 AMAQI
10th Jul 2026263 AMAQI
26°C22/31°C
10th Jul 2026224 AMAQI
10th Jul 2026265 AMAQI
10th Jul 2026286 AMAQI
10th Jul 2026287 AMAQI
10th Jul 2026308 AMAQI
10th Jul 2026269 AMAQI
10th Jul 20263010 AMAQI
10th Jul 20262811 AMAQI
10th Jul 20262512 PMAQI
10th Jul 2026251 PMAQI
10th Jul 2026232 PMAQI
10th Jul 2026213 PMAQI
10th Jul 2026224 PMAQI
10th Jul 2026265 PMAQI
10th Jul 2026266 PMAQI
10th Jul 2026297 PMAQI
10th Jul 2026278 PMAQI
10th Jul 2026189 PMAQI
10th Jul 20262610 PMAQI
10th Jul 20262011 PMAQI
11th Jul 20261812 AMAQI
11th Jul 202681 AMAQI
11th Jul 2026282 AMAQI
11th Jul 202683 AMAQI
27°C23/32°C
11th Jul 2026274 AMAQI
11th Jul 2026285 AMAQI
11th Jul 2026326 AMAQI
11th Jul 2026287 AMAQI
11th Jul 2026328 AMAQI
11th Jul 2026309 AMAQI
11th Jul 20263210 AMAQI
11th Jul 20262811 AMAQI
11th Jul 20262612 PMAQI
11th Jul 2026261 PMAQI
11th Jul 2026242 PMAQI
11th Jul 2026223 PMAQI
11th Jul 2026264 PMAQI
11th Jul 2026305 PMAQI
11th Jul 2026306 PMAQI
11th Jul 2026287 PMAQI
11th Jul 2026248 PMAQI
11th Jul 2026299 PMAQI
11th Jul 20263010 PMAQI
11th Jul 20263011 PMAQI
12th Jul 20262812 AMAQI
12th Jul 2026301 AMAQI
12th Jul 2026302 AMAQI
12th Jul 2026193 AMAQI
27°C24/32°C
12th Jul 2026264 AMAQI
12th Jul 2026295 AMAQI
12th Jul 2026306 AMAQI
12th Jul 2026307 AMAQI
12th Jul 2026288 AMAQI
12th Jul 2026309 AMAQI
12th Jul 20263010 AMAQI
12th Jul 20262511 AMAQI
12th Jul 20262712 PMAQI
12th Jul 2026221 PMAQI
12th Jul 2026222 PMAQI
12th Jul 2026243 PMAQI
12th Jul 2026264 PMAQI
12th Jul 2026305 PMAQI
12th Jul 2026286 PMAQI
12th Jul 2026307 PMAQI
12th Jul 2026288 PMAQI
12th Jul 2026309 PMAQI
12th Jul 20263010 PMAQI
12th Jul 20262811 PMAQI
13th Jul 20263112 AMAQI
13th Jul 2026311 AMAQI
13th Jul 2026312 AMAQI
13th Jul 2026303 AMAQI
26°C24/29°C
13th Jul 2026284 AMAQI
13th Jul 2026315 AMAQI
13th Jul 2026286 AMAQI
13th Jul 2026287 AMAQI
13th Jul 2026308 AMAQI
13th Jul 2026289 AMAQI
13th Jul 20262910 AMAQI
13th Jul 20262711 AMAQI
13th Jul 20262612 PMAQI
13th Jul 2026211 PMAQI
13th Jul 2026222 PMAQI
13th Jul 2026243 PMAQI
13th Jul 2026264 PMAQI
13th Jul 2026305 PMAQI
13th Jul 2026296 PMAQI
13th Jul 2026307 PMAQI
13th Jul 2026328 PMAQI
13th Jul 2026329 PMAQI
13th Jul 20263410 PMAQI
13th Jul 20263411 PMAQI
14th Jul 20263412 AMAQI
14th Jul 2026331 AMAQI
14th Jul 2026342 AMAQI
14th Jul 2026313 AMAQI
26°C25/28°C
14th Jul 2026304 AMAQI
14th Jul 2026345 AMAQI
14th Jul 2026316 AMAQI
14th Jul 2026307 AMAQI
14th Jul 2026268 AMAQI
14th Jul 2026319 AMAQI
14th Jul 20263110 AMAQI
14th Jul 20262511 AMAQI
14th Jul 20262312 PMAQI
14th Jul 2026211 PMAQI
14th Jul 2026202 PMAQI
14th Jul 2026223 PMAQI
14th Jul 2026544 PMAQI
14th Jul 2026425 PMAQI
14th Jul 2026426 PMAQI
14th Jul 2026427 PMAQI
14th Jul 2026468 PMAQI
14th Jul 2026449 PMAQI
14th Jul 20264810 PMAQI
14th Jul 20265111 PMAQI
15th Jul 20264812 AMAQI
15th Jul 2026531 AMAQI
15th Jul 2026482 AMAQI
15th Jul 2026263 AMAQI
29°C24/33°C
15th Jul 2026384 AMAQI
15th Jul 2026425 AMAQI
15th Jul 2026506 AMAQI
15th Jul 2026487 AMAQI
15th Jul 2026508 AMAQI
15th Jul 2026469 AMAQI
15th Jul 20265010 AMAQI
15th Jul 20266011 AMAQI
15th Jul 20265212 PMAQI
15th Jul 2026561 PMAQI
15th Jul 2026552 PMAQI
15th Jul 2026553 PMAQI
15th Jul 2026534 PMAQI
15th Jul 2026505 PMAQI
15th Jul 2026466 PMAQI
15th Jul 2026247 PMAQI
15th Jul 2026268 PMAQI
15th Jul 2026269 PMAQI
15th Jul 20263010 PMAQI
15th Jul 20262611 PMAQI
16th Jul 20262812 AMAQI
16th Jul 2026261 AMAQI
16th Jul 2026282 AMAQI
16th Jul 2026303 AMAQI
30°C26/35°C
16th Jul 2026284 AMAQI
16th Jul 2026315 AMAQI
16th Jul 2026316 AMAQI
16th Jul 2026317 AMAQI
16th Jul 2026318 AMAQI
16th Jul 2026309 AMAQI
16th Jul 20263110 AMAQI
16th Jul 20262811 AMAQI
16th Jul 20265812 PMAQI
16th Jul 2026631 PMAQI
16th Jul 2026622 PMAQI
16th Jul 2026633 PMAQI
16th Jul 2026554 PMAQI
16th Jul 2026795 PMAQI
16th Jul 2026816 PMAQI
16th Jul 2026817 PMAQI
16th Jul 2026868 PMAQI
16th Jul 2026869 PMAQI
16th Jul 20268310 PMAQI
16th Jul 20266911 PMAQI
17th Jul 20265312 AMAQI
17th Jul 2026531 AMAQI
17th Jul 2026502 AMAQI
17th Jul 2026423 AMAQI
30°C27/35°C
17th Jul 2026464 AMAQI
17th Jul 2026485 AMAQI
17th Jul 2026426 AMAQI
17th Jul 2026427 AMAQI
17th Jul 2026408 AMAQI
17th Jul 2026409 AMAQI
17th Jul 20264810 AMAQI
17th Jul 20265611 AMAQI
17th Jul 20266812 PMAQI
17th Jul 2026671 PMAQI
17th Jul 2026702 PMAQI
17th Jul 2026513 PMAQI
17th Jul 2026254 PMAQI
17th Jul 2026335 PMAQI
17th Jul 2026506 PMAQI
17th Jul 2026487 PMAQI
17th Jul 2026528 PMAQI
17th Jul 2026509 PMAQI
17th Jul 20264810 PMAQI
17th Jul 20264911 PMAQI
18th Jul 20265112 AMAQI
18th Jul 2026441 AMAQI
18th Jul 2026362 AMAQI
18th Jul 2026313 AMAQI
28°C26/31°C
18th Jul 2026314 AMAQI
18th Jul 2026275 AMAQI
18th Jul 2026296 AMAQI
18th Jul 2026277 AMAQI
18th Jul 2026218 AMAQI
18th Jul 2026239 AMAQI
18th Jul 20261710 AMAQI
18th Jul 20262111 AMAQI
18th Jul 2026812 PMAQI
18th Jul 2026121 PMAQI
18th Jul 2026192 PMAQI
18th Jul 2026123 PMAQI
18th Jul 2026274 PMAQI
18th Jul 2026215 PMAQI
18th Jul 2026136 PMAQI
18th Jul 202687 PMAQI
18th Jul 2026108 PMAQI
18th Jul 2026129 PMAQI
18th Jul 20261010 PMAQI
18th Jul 20261011 PMAQI
19th Jul 20261012 AMAQI
19th Jul 2026101 AMAQI
19th Jul 202682 AMAQI
19th Jul 202683 AMAQI
28°C25/31°C
19th Jul 202684 AMAQI
19th Jul 2026105 AMAQI
19th Jul 2026106 AMAQI
19th Jul 202687 AMAQI
19th Jul 2026108 AMAQI
19th Jul 202689 AMAQI
19th Jul 2026810 AMAQI
19th Jul 20262111 AMAQI
19th Jul 20262512 PMAQI
19th Jul 2026271 PMAQI
19th Jul 2026172 PMAQI
19th Jul 2026253 PMAQI
19th Jul 2026254 PMAQI
19th Jul 2026255 PMAQI
19th Jul 2026276 PMAQI
19th Jul 2026277 PMAQI
19th Jul 2026298 PMAQI
19th Jul 2026239 PMAQI
19th Jul 20262510 PMAQI
19th Jul 20262111 PMAQI
20th Jul 20262312 AMAQI
20th Jul 2026291 AMAQI
20th Jul 2026292 AMAQI
20th Jul 2026213 AMAQI
28°C25/32°C
20th Jul 2026234 AMAQI
20th Jul 2026215 AMAQI
20th Jul 2026236 AMAQI
20th Jul 2026237 AMAQI
20th Jul 2026278 AMAQI
20th Jul 2026219 AMAQI
20th Jul 20262310 AMAQI
20th Jul 20262511 AMAQI
20th Jul 20262912 PMAQI
20th Jul 2026311 PMAQI
20th Jul 2026332 PMAQI
20th Jul 2026333 PMAQI
20th Jul 2026364 PMAQI
20th Jul 2026365 PMAQI
20th Jul 2026366 PMAQI
20th Jul 2026337 PMAQI
20th Jul 2026338 PMAQI
20th Jul 2026339 PMAQI
20th Jul 20263310 PMAQI
20th Jul 20263311 PMAQI
21st Jul 20263312 AMAQI
21st Jul 2026331 AMAQI
21st Jul 2026362 AMAQI
21st Jul 2026363 AMAQI
31°C27/36°C
21st Jul 2026334 AMAQI
21st Jul 2026445 AMAQI
21st Jul 2026546 AMAQI
21st Jul 2026577 AMAQI
21st Jul 2026588 AMAQI
21st Jul 2026589 AMAQI
21st Jul 20265510 AMAQI
21st Jul 20265511 AMAQI
21st Jul 2026571 PMAQI
21st Jul 2026592 PMAQI
21st Jul 2026593 PMAQI
21st Jul 2026604 PMAQI
21st Jul 2026605 PMAQI
21st Jul 2026606 PMAQI
21st Jul 2026987 PMAQI
21st Jul 2026608 PMAQI
21st Jul 2026569 PMAQI
21st Jul 20265810 PMAQI
21st Jul 20265511 PMAQI
22nd Jul 20265812 AMAQI
22nd Jul 2026581 AMAQI
22nd Jul 2026602 AMAQI
22nd Jul 2026573 AMAQI
32°C28/37°C
22nd Jul 2026574 AMAQI
22nd Jul 2026595 AMAQI
22nd Jul 2026606 AMAQI
22nd Jul 2026597 AMAQI
22nd Jul 2026628 AMAQI
22nd Jul 2026629 AMAQI
22nd Jul 20266610 AMAQI
22nd Jul 20267311 AMAQI
22nd Jul 20267312 PMAQI
22nd Jul 2026721 PMAQI
22nd Jul 2026722 PMAQI
22nd Jul 2026833 PMAQI
22nd Jul 2026804 PMAQI
22nd Jul 2026765 PMAQI
22nd Jul 2026686 PMAQI
22nd Jul 2026697 PMAQI
22nd Jul 2026738 PMAQI
22nd Jul 2026709 PMAQI
22nd Jul 20267910 PMAQI
22nd Jul 20267811 PMAQI
23rd Jul 20268212 AMAQI
23rd Jul 2026841 AMAQI
23rd Jul 2026652 AMAQI
23rd Jul 2026383 AMAQI
32°C28/37°C
23rd Jul 2026314 AMAQI
23rd Jul 2026385 AMAQI
23rd Jul 2026526 AMAQI
23rd Jul 2026517 AMAQI
23rd Jul 2026628 AMAQI
23rd Jul 2026589 AMAQI
23rd Jul 20267110 AMAQI
23rd Jul 20266611 AMAQI
23rd Jul 20265712 PMAQI
23rd Jul 2026441 PMAQI
23rd Jul 2026592 PMAQI
23rd Jul 2026543 PMAQI
23rd Jul 2026964 PMAQI
23rd Jul 2026805 PMAQI
23rd Jul 2026726 PMAQI
23rd Jul 2026717 PMAQI
23rd Jul 2026758 PMAQI
23rd Jul 2026579 PMAQI
23rd Jul 20265010 PMAQI
23rd Jul 20263811 PMAQI
24th Jul 20262512 AMAQI
24th Jul 2026311 AMAQI
24th Jul 2026362 AMAQI
24th Jul 2026383 AMAQI
32°C28/37°C
24th Jul 2026404 AMAQI
24th Jul 2026385 AMAQI
24th Jul 2026386 AMAQI
24th Jul 2026317 AMAQI
24th Jul 2026298 AMAQI
24th Jul 2026279 AMAQI
24th Jul 20261910 AMAQI
24th Jul 20264411 AMAQI
24th Jul 20264812 PMAQI
24th Jul 2026641 PMAQI
24th Jul 2026762 PMAQI
24th Jul 2026973 PMAQI
24th Jul 2026714 PMAQI
24th Jul 2026735 PMAQI
24th Jul 2026566 PMAQI
24th Jul 2026537 PMAQI
24th Jul 2026508 PMAQI
24th Jul 2026569 PMAQI
24th Jul 20265210 PMAQI
24th Jul 20265011 PMAQI
25th Jul 20265512 AMAQI
25th Jul 2026571 AMAQI
25th Jul 2026552 AMAQI
25th Jul 2026573 AMAQI
30°C27/34°C
25th Jul 2026594 AMAQI
25th Jul 2026465 AMAQI
25th Jul 2026406 AMAQI
25th Jul 2026527 AMAQI
25th Jul 2026468 AMAQI
25th Jul 2026409 AMAQI
25th Jul 20264210 AMAQI
25th Jul 20265711 AMAQI
25th Jul 20266612 PMAQI
25th Jul 2026571 PMAQI
25th Jul 2026462 PMAQI
25th Jul 2026503 PMAQI
25th Jul 2026464 PMAQI
25th Jul 2026405 PMAQI
25th Jul 2026486 PMAQI
25th Jul 2026677 PMAQI
25th Jul 2026338 PMAQI
25th Jul 2026409 PMAQI
25th Jul 20261710 PMAQI
25th Jul 20261611 PMAQI
26th Jul 20261412 AMAQI
26th Jul 2026271 AMAQI
26th Jul 2026312 AMAQI
26th Jul 2026333 AMAQI
29°C26/35°C
26th Jul 2026384 AMAQI
26th Jul 2026365 AMAQI
26th Jul 2026486 AMAQI
26th Jul 2026407 AMAQI
26th Jul 2026268 AMAQI
26th Jul 2026179 AMAQI
26th Jul 20262510 AMAQI
26th Jul 20262911 AMAQI
26th Jul 20263812 PMAQI
26th Jul 2026481 PMAQI
26th Jul 2026522 PMAQI
26th Jul 2026253 PMAQI
26th Jul 2026214 PMAQI
26th Jul 2026305 PMAQI
26th Jul 2026216 PMAQI
26th Jul 2026217 PMAQI
26th Jul 2026258 PMAQI
26th Jul 2026219 PMAQI
26th Jul 20262110 PMAQI
26th Jul 20262311 PMAQI
27th Jul 20262512 AMAQI
27th Jul 2026251 AMAQI
27th Jul 2026212 AMAQI
27th Jul 2026213 AMAQI
28°C25/31°C
27th Jul 2026214 AMAQI
27th Jul 2026255 AMAQI
27th Jul 2026236 AMAQI
27th Jul 2026217 AMAQI
27th Jul 2026238 AMAQI
27th Jul 2026219 AMAQI
27th Jul 20262310 AMAQI
27th Jul 20262311 AMAQI
27th Jul 20262112 PMAQI
27th Jul 2026211 PMAQI
27th Jul 2026252 PMAQI
27th Jul 2026293 PMAQI
27th Jul 2026274 PMAQI
27th Jul 2026235 PMAQI
27th Jul 2026216 PMAQI
27th Jul 2026297 PMAQI
27th Jul 2026238 PMAQI
27th Jul 2026299 PMAQI
27th Jul 20262710 PMAQI
27th Jul 20262511 PMAQI
28th Jul 20262512 AMAQI
28th Jul 2026251 AMAQI
28th Jul 2026252 AMAQI
28th Jul 2026233 AMAQI
27°C24/31°C
28th Jul 2026254 AMAQI
28th Jul 2026215 AMAQI
28th Jul 2026216 AMAQI
28th Jul 2026217 AMAQI
28th Jul 2026218 AMAQI
28th Jul 2026239 AMAQI
28th Jul 20262110 AMAQI
28th Jul 20262511 AMAQI
28th Jul 20262512 PMAQI
28th Jul 2026251 PMAQI
28th Jul 2026252 PMAQI
28th Jul 2026253 PMAQI
28th Jul 2026274 PMAQI
28th Jul 2026255 PMAQI
28th Jul 2026216 PMAQI
28th Jul 2026257 PMAQI
28th Jul 2026238 PMAQI
28th Jul 2026299 PMAQI
28th Jul 20262910 PMAQI
28th Jul 20263311 PMAQI
29th Jul 20263612 AMAQI
29th Jul 2026361 AMAQI
29th Jul 2026382 AMAQI
29th Jul 2026313 AMAQI
26°C24/30°C
29th Jul 2026334 AMAQI
29th Jul 2026335 AMAQI
29th Jul 2026316 AMAQI
29th Jul 2026337 AMAQI
29th Jul 2026298 AMAQI
29th Jul 2026299 AMAQI
29th Jul 20262910 AMAQI
29th Jul 20262911 AMAQI
29th Jul 20262912 PMAQI
29th Jul 2026271 PMAQI
29th Jul 2026252 PMAQI
29th Jul 2026273 PMAQI
29th Jul 2026254 PMAQI
29th Jul 2026215 PMAQI
29th Jul 2026216 PMAQI
29th Jul 2026217 PMAQI
29th Jul 2026218 PMAQI
29th Jul 2026339 PMAQI
29th Jul 20262310 PMAQI
29th Jul 20262311 PMAQI
30th Jul 20262112 AMAQI
30th Jul 2026211 AMAQI
30th Jul 2026212 AMAQI
30th Jul 2026253 AMAQI
29°C23/34°C
30th Jul 2026214 AMAQI
30th Jul 2026215 AMAQI
30th Jul 2026256 AMAQI
30th Jul 2026237 AMAQI
30th Jul 2026258 AMAQI
30th Jul 2026219 AMAQI
30th Jul 20262510 AMAQI
30th Jul 20262511 AMAQI
30th Jul 20262712 PMAQI
30th Jul 2026291 PMAQI
30th Jul 2026292 PMAQI
30th Jul 2026343 PMAQI
30th Jul 2026334 PMAQI
30th Jul 2026405 PMAQI
30th Jul 2026486 PMAQI
30th Jul 2026507 PMAQI
30th Jul 2026518 PMAQI
30th Jul 2026509 PMAQI
30th Jul 20264210 PMAQI
30th Jul 20264611 PMAQI
31st Jul 20265312 AMAQI
31st Jul 2026531 AMAQI
31st Jul 2026592 AMAQI
31st Jul 2026583 AMAQI
31°C26/36°C
31st Jul 2026574 AMAQI
31st Jul 2026575 AMAQI
31st Jul 2026586 AMAQI
31st Jul 2026587 AMAQI
31st Jul 2026548 AMAQI
31st Jul 2026569 AMAQI
31st Jul 20265310 AMAQI
31st Jul 20265511 AMAQI
31st Jul 20265112 PMAQI
31st Jul 2026521 PMAQI
31st Jul 2026442 PMAQI
31st Jul 2026523 PMAQI
31st Jul 2026504 PMAQI
31st Jul 2026565 PMAQI
31st Jul 2026576 PMAQI
31st Jul 2026647 PMAQI
31st Jul 2026628 PMAQI
31st Jul 2026599 PMAQI
31st Jul 20266410 PMAQI
31st Jul 20266411 PMAQI
1st Aug 20266412 AMAQI
1st Aug 2026581 AMAQI
1st Aug 2026632 AMAQI
1st Aug 2026533 AMAQI
30°C27/35°C
1st Aug 2026564 AMAQI
1st Aug 2026585 AMAQI
1st Aug 2026596 AMAQI
1st Aug 2026607 AMAQI
1st Aug 2026568 AMAQI
1st Aug 2026589 AMAQI
1st Aug 20265510 AMAQI
1st Aug 20266311 AMAQI
1st Aug 20266612 PMAQI
1st Aug 2026601 PMAQI
1st Aug 2026552 PMAQI
1st Aug 2026553 PMAQI
1st Aug 2026544 PMAQI
1st Aug 2026715 PMAQI
1st Aug 2026746 PMAQI
1st Aug 2026757 PMAQI
1st Aug 2026768 PMAQI
1st Aug 2026769 PMAQI
1st Aug 20266410 PMAQI
1st Aug 20266711 PMAQI
2nd Aug 20267012 AMAQI
2nd Aug 2026711 AMAQI
2nd Aug 2026672 AMAQI
2nd Aug 2026483 AMAQI
31°C27/35°C
2nd Aug 2026594 AMAQI
2nd Aug 2026545 AMAQI
2nd Aug 2026526 AMAQI
2nd Aug 2026527 AMAQI
2nd Aug 2026518 AMAQI
2nd Aug 2026509 AMAQI
2nd Aug 20265210 AMAQI
2nd Aug 20265211 AMAQI
2nd Aug 20265212 PMAQI
2nd Aug 2026511 PMAQI
2nd Aug 2026502 PMAQI
2nd Aug 2026533 PMAQI
2nd Aug 2026554 PMAQI
2nd Aug 2026535 PMAQI
2nd Aug 2026566 PMAQI
2nd Aug 2026537 PMAQI
2nd Aug 2026388 PMAQI
2nd Aug 202699 PMAQI
2nd Aug 2026810 PMAQI
2nd Aug 20261211 PMAQI
3rd Aug 2026812 AMAQI
3rd Aug 202681 AMAQI
3rd Aug 2026122 AMAQI
3rd Aug 202683 AMAQI
30°C25/36°C
3rd Aug 202684 AMAQI
4 AM3rd Aug 2026125 AMAQI
3rd Aug 2026146 AMAQI
3rd Aug 202687 AMAQI
3rd Aug 202688 AMAQI
3rd Aug 202689 AMAQI
3rd Aug 2026810 AMAQI
3rd Aug 2026811 AMAQI
11 AM3rd Aug 2026712 PMAQI
3rd Aug 2026171 PMAQI
3rd Aug 2026122 PMAQI
3rd Aug 2026123 PMAQI
3rd Aug 2026274 PMAQI
3rd Aug 2026275 PMAQI
3rd Aug 2026256 PMAQI
6 PM3rd Aug 2026217 PMAQI
3rd Aug 2026128 PMAQI
3rd Aug 2026199 PMAQI
3rd Aug 20262510 PMAQI
3rd Aug 20262511 PMAQI
11 PM3 AM
24°C23/26°C
Day time
Avg. Highest Time
4 PM - 6 PM
39AQI
3 hours / Day
90 hours / Month
Avg. Lowest Time
4 AM
32AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 4 PM to 6 PM (Avg. 39), while the lowest AQI was between 4 AM to 4 AM (Avg. 32).
Night time
Avg. Highest Time
7 PM
40AQI
1 hours / Day
30 hours / Month
Avg. Lowest Time
3 AM
31AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 7 PM to 7 PM (Avg. 40), while the lowest AQI was between 3 AM to 3 AM (Avg. 31).
2026 Days Vs Air Quality
Ochikawa, Kunitachi, Tokyo, Japan
2026
84%
180
16%
35
Total number of days with different AQI categories in last 215 days in 2026 (150 days remaining)
Good
180 DaysModerate
35 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 84%
Health Risk Level:
Low
In 2026, 84% of 215 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
Ochikawa, Kunitachi, Tokyo, Japan
AQI levels in 2026
AQI (US)
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 2026
-1th undefined 2026
-1th undefined 2026
-1th undefined 2026
1st January 2026
25AQI (US)
25AQI (US)
2nd January 2026
13AQI (US)
13AQI (US)
3rd January 2026
12AQI (US)
12AQI (US)
4th January 2026
15AQI (US)
15AQI (US)
5th January 2026
28AQI (US)
28AQI (US)
6th January 2026
17AQI (US)
17AQI (US)
7th January 2026
20AQI (US)
20AQI (US)
8th January 2026
25AQI (US)
25AQI (US)
9th January 2026
17AQI (US)
17AQI (US)
10th January 2026
28AQI (US)
28AQI (US)
11th January 2026
23AQI (US)
23AQI (US)
12th January 2026
13AQI (US)
13AQI (US)
13th January 2026
26AQI (US)
26AQI (US)
14th January 2026
16AQI (US)
16AQI (US)
15th January 2026
30AQI (US)
30AQI (US)
16th January 2026
44AQI (US)
44AQI (US)
17th January 2026
41AQI (US)
41AQI (US)
18th January 2026
34AQI (US)
34AQI (US)
19th January 2026
38AQI (US)
38AQI (US)
20th January 2026
37AQI (US)
37AQI (US)
21st January 2026
13AQI (US)
13AQI (US)
22nd January 2026
23AQI (US)
23AQI (US)
23rd January 2026
36AQI (US)
36AQI (US)
24th January 2026
37AQI (US)
37AQI (US)
25th January 2026
38AQI (US)
38AQI (US)
26th January 2026
12AQI (US)
12AQI (US)
27th January 2026
23AQI (US)
23AQI (US)
28th January 2026
27AQI (US)
27AQI (US)
29th January 2026
25AQI (US)
25AQI (US)
30th January 2026
35AQI (US)
35AQI (US)
31st January 2026
36AQI (US)
36AQI (US)
1st February 2026
39AQI (US)
39AQI (US)
2nd February 2026
46AQI (US)
46AQI (US)
3rd February 2026
32AQI (US)
32AQI (US)
4th February 2026
36AQI (US)
36AQI (US)
5th February 2026
51AQI (US)
51AQI (US)
6th February 2026
39AQI (US)
39AQI (US)
7th February 2026
13AQI (US)
13AQI (US)
8th February 2026
16AQI (US)
16AQI (US)
9th February 2026
34AQI (US)
34AQI (US)
10th February 2026
37AQI (US)
37AQI (US)
11th February 2026
43AQI (US)
43AQI (US)
12th February 2026
35AQI (US)
35AQI (US)
13th February 2026
51AQI (US)
51AQI (US)
14th February 2026
62AQI (US)
62AQI (US)
15th February 2026
50AQI (US)
50AQI (US)
16th February 2026
48AQI (US)
48AQI (US)
17th February 2026
20AQI (US)
20AQI (US)
18th February 2026
34AQI (US)
34AQI (US)
19th February 2026
32AQI (US)
32AQI (US)
20th February 2026
32AQI (US)
32AQI (US)
21st February 2026
48AQI (US)
48AQI (US)
22nd February 2026
44AQI (US)
44AQI (US)
23rd February 2026
42AQI (US)
42AQI (US)
24th February 2026
42AQI (US)
42AQI (US)
25th February 2026
37AQI (US)
37AQI (US)
26th February 2026
11AQI (US)
11AQI (US)
27th February 2026
33AQI (US)
33AQI (US)
28th February 2026
33AQI (US)
33AQI (US)
1st March 2026
14AQI (US)
14AQI (US)
2nd March 2026
81AQI (US)
81AQI (US)
3rd March 2026
44AQI (US)
44AQI (US)
4th March 2026
54AQI (US)
54AQI (US)
5th March 2026
57AQI (US)
57AQI (US)
6th March 2026
53AQI (US)
53AQI (US)
7th March 2026
48AQI (US)
48AQI (US)
8th March 2026
43AQI (US)
43AQI (US)
9th March 2026
51AQI (US)
51AQI (US)
10th March 2026
58AQI (US)
58AQI (US)
11th March 2026
58AQI (US)
58AQI (US)
12th March 2026
70AQI (US)
70AQI (US)
13th March 2026
43AQI (US)
43AQI (US)
14th March 2026
48AQI (US)
48AQI (US)
15th March 2026
61AQI (US)
61AQI (US)
16th March 2026
57AQI (US)
57AQI (US)
17th March 2026
54AQI (US)
54AQI (US)
18th March 2026
57AQI (US)
57AQI (US)
19th March 2026
37AQI (US)
37AQI (US)
20th March 2026
31AQI (US)
31AQI (US)
21st March 2026
50AQI (US)
50AQI (US)
22nd March 2026
51AQI (US)
51AQI (US)
23rd March 2026
53AQI (US)
53AQI (US)
24th March 2026
48AQI (US)
48AQI (US)
25th March 2026
65AQI (US)
65AQI (US)
26th March 2026
30AQI (US)
30AQI (US)
27th March 2026
22AQI (US)
22AQI (US)
28th March 2026
49AQI (US)
49AQI (US)
29th March 2026
53AQI (US)
53AQI (US)
30th March 2026
57AQI (US)
57AQI (US)
31st March 2026
26AQI (US)
26AQI (US)
1st April 2026
25AQI (US)
25AQI (US)
2nd April 2026
36AQI (US)
36AQI (US)
3rd April 2026
45AQI (US)
45AQI (US)
4th April 2026
45AQI (US)
45AQI (US)
5th April 2026
36AQI (US)
36AQI (US)
6th April 2026
28AQI (US)
28AQI (US)
7th April 2026
39AQI (US)
39AQI (US)
8th April 2026
22AQI (US)
22AQI (US)
9th April 2026
33AQI (US)
33AQI (US)
10th April 2026
46AQI (US)
46AQI (US)
11th April 2026
45AQI (US)
45AQI (US)
12th April 2026
28AQI (US)
28AQI (US)
13th April 2026
37AQI (US)
37AQI (US)
14th April 2026
42AQI (US)
42AQI (US)
15th April 2026
40AQI (US)
40AQI (US)
16th April 2026
35AQI (US)
35AQI (US)
17th April 2026
40AQI (US)
40AQI (US)
18th April 2026
33AQI (US)
33AQI (US)
19th April 2026
40AQI (US)
40AQI (US)
20th April 2026
38AQI (US)
38AQI (US)
21st April 2026
40AQI (US)
40AQI (US)
22nd April 2026
46AQI (US)
46AQI (US)
23rd April 2026
37AQI (US)
37AQI (US)
24th April 2026
32AQI (US)
32AQI (US)
25th April 2026
46AQI (US)
46AQI (US)
26th April 2026
51AQI (US)
51AQI (US)
27th April 2026
49AQI (US)
49AQI (US)
28th April 2026
42AQI (US)
42AQI (US)
29th April 2026
40AQI (US)
40AQI (US)
30th April 2026
38AQI (US)
38AQI (US)
1st May 2026
48AQI (US)
48AQI (US)
2nd May 2026
50AQI (US)
50AQI (US)
3rd May 2026
44AQI (US)
44AQI (US)
4th May 2026
29AQI (US)
29AQI (US)
5th May 2026
23AQI (US)
23AQI (US)
6th May 2026
31AQI (US)
31AQI (US)
7th May 2026
32AQI (US)
32AQI (US)
8th May 2026
26AQI (US)
26AQI (US)
9th May 2026
24AQI (US)
24AQI (US)
10th May 2026
28AQI (US)
28AQI (US)
11th May 2026
31AQI (US)
31AQI (US)
12th May 2026
35AQI (US)
35AQI (US)
13th May 2026
45AQI (US)
45AQI (US)
14th May 2026
39AQI (US)
39AQI (US)
15th May 2026
40AQI (US)
40AQI (US)
16th May 2026
86AQI (US)
86AQI (US)
17th May 2026
68AQI (US)
68AQI (US)
18th May 2026
53AQI (US)
53AQI (US)
19th May 2026
49AQI (US)
49AQI (US)
20th May 2026
62AQI (US)
62AQI (US)
21st May 2026
59AQI (US)
59AQI (US)
22nd May 2026
60AQI (US)
60AQI (US)
23rd May 2026
54AQI (US)
54AQI (US)
24th May 2026
58AQI (US)
58AQI (US)
25th May 2026
48AQI (US)
48AQI (US)
26th May 2026
40AQI (US)
40AQI (US)
27th May 2026
25AQI (US)
25AQI (US)
28th May 2026
25AQI (US)
25AQI (US)
29th May 2026
26AQI (US)
26AQI (US)
30th May 2026
25AQI (US)
25AQI (US)
31st May 2026
29AQI (US)
29AQI (US)
1st June 2026
31AQI (US)
31AQI (US)
2nd June 2026
32AQI (US)
32AQI (US)
3rd June 2026
18AQI (US)
18AQI (US)
4th June 2026
24AQI (US)
24AQI (US)
5th June 2026
22AQI (US)
22AQI (US)
6th June 2026
22AQI (US)
22AQI (US)
7th June 2026
23AQI (US)
23AQI (US)
8th June 2026
21AQI (US)
21AQI (US)
9th June 2026
23AQI (US)
23AQI (US)
10th June 2026
22AQI (US)
22AQI (US)
11th June 2026
25AQI (US)
25AQI (US)
12th June 2026
25AQI (US)
25AQI (US)
13th June 2026
28AQI (US)
28AQI (US)
14th June 2026
25AQI (US)
25AQI (US)
15th June 2026
20AQI (US)
20AQI (US)
16th June 2026
27AQI (US)
27AQI (US)
17th June 2026
24AQI (US)
24AQI (US)
18th June 2026
25AQI (US)
25AQI (US)
19th June 2026
30AQI (US)
30AQI (US)
20th June 2026
22AQI (US)
22AQI (US)
21st June 2026
20AQI (US)
20AQI (US)
22nd June 2026
19AQI (US)
19AQI (US)
23rd June 2026
22AQI (US)
22AQI (US)
24th June 2026
21AQI (US)
21AQI (US)
25th June 2026
26AQI (US)
26AQI (US)
26th June 2026
29AQI (US)
29AQI (US)
27th June 2026
26AQI (US)
26AQI (US)
28th June 2026
29AQI (US)
29AQI (US)
29th June 2026
27AQI (US)
27AQI (US)
30th June 2026
26AQI (US)
26AQI (US)
1st July 2026
25AQI (US)
25AQI (US)
2nd July 2026
22AQI (US)
22AQI (US)
3rd July 2026
20AQI (US)
20AQI (US)
4th July 2026
36AQI (US)
36AQI (US)
5th July 2026
14AQI (US)
14AQI (US)
6th July 2026
24AQI (US)
24AQI (US)
7th July 2026
26AQI (US)
26AQI (US)
8th July 2026
26AQI (US)
26AQI (US)
9th July 2026
23AQI (US)
23AQI (US)
10th July 2026
25AQI (US)
25AQI (US)
11th July 2026
26AQI (US)
26AQI (US)
12th July 2026
28AQI (US)
28AQI (US)
13th July 2026
29AQI (US)
29AQI (US)
14th July 2026
34AQI (US)
34AQI (US)
15th July 2026
44AQI (US)
44AQI (US)
16th July 2026
51AQI (US)
51AQI (US)
17th July 2026
49AQI (US)
49AQI (US)
18th July 2026
22AQI (US)
22AQI (US)
19th July 2026
17AQI (US)
17AQI (US)
20th July 2026
29AQI (US)
29AQI (US)
21st July 2026
54AQI (US)
54AQI (US)
22nd July 2026
68AQI (US)
68AQI (US)
23rd July 2026
60AQI (US)
60AQI (US)
24th July 2026
48AQI (US)
48AQI (US)
25th July 2026
47AQI (US)
47AQI (US)
26th July 2026
30AQI (US)
30AQI (US)
27th July 2026
24AQI (US)
24AQI (US)
28th July 2026
24AQI (US)
24AQI (US)
29th July 2026
28AQI (US)
28AQI (US)
30th July 2026
31AQI (US)
31AQI (US)
31st July 2026
56AQI (US)
56AQI (US)
1st August 2026
62AQI (US)
62AQI (US)
2nd August 2026
49AQI (US)
49AQI (US)
3rd August 2026
14AQI (US)
14AQI (US)
4th August 2026
5th August 2026
6th August 2026
7th August 2026
8th August 2026
9th August 2026
10th August 2026
11th August 2026
12th August 2026
13th August 2026
14th August 2026
15th August 2026
16th August 2026
17th August 2026
18th August 2026
19th August 2026
20th August 2026
21st August 2026
22nd August 2026
23rd August 2026
24th August 2026
25th August 2026
26th August 2026
27th August 2026
28th August 2026
29th August 2026
30th August 2026
31st August 2026
1st September 2026
2nd September 2026
3rd September 2026
4th September 2026
5th September 2026
6th September 2026
7th September 2026
8th September 2026
9th September 2026
10th September 2026
11th September 2026
12th September 2026
13th September 2026
14th September 2026
15th September 2026
16th September 2026
17th September 2026
18th September 2026
19th September 2026
20th September 2026
21st September 2026
22nd September 2026
23rd September 2026
24th September 2026
25th September 2026
26th September 2026
27th September 2026
28th September 2026
29th September 2026
30th September 2026
1st October 2026
2nd October 2026
3rd October 2026
4th October 2026
5th October 2026
6th October 2026
7th October 2026
8th October 2026
9th October 2026
10th October 2026
11th October 2026
12th October 2026
13th October 2026
14th October 2026
15th October 2026
16th October 2026
17th October 2026
18th October 2026
19th October 2026
20th October 2026
21st October 2026
22nd October 2026
23rd October 2026
24th October 2026
25th October 2026
26th October 2026
27th October 2026
28th October 2026
29th October 2026
30th October 2026
31st October 2026
1st November 2026
2nd November 2026
3rd November 2026
4th November 2026
5th November 2026
6th November 2026
7th November 2026
8th November 2026
9th November 2026
10th November 2026
11th November 2026
12th November 2026
13th November 2026
14th November 2026
15th November 2026
16th November 2026
17th November 2026
18th November 2026
19th November 2026
20th November 2026
21st November 2026
22nd November 2026
23rd November 2026
24th November 2026
25th November 2026
26th November 2026
27th November 2026
28th November 2026
29th November 2026
30th November 2026
1st December 2026
2nd December 2026
3rd December 2026
4th December 2026
5th December 2026
6th December 2026
7th December 2026
8th December 2026
9th December 2026
10th December 2026
11th December 2026
12th December 2026
13th December 2026
14th December 2026
15th December 2026
16th December 2026
17th December 2026
18th December 2026
19th December 2026
20th December 2026
21st December 2026
22nd December 2026
23rd December 2026
24th December 2026
25th December 2026
26th December 2026
27th December 2026
28th December 2026
29th December 2026
30th December 2026
31st December 2026
26AQI (US)
37AQI (US)
49AQI (US)
38AQI (US)
42AQI (US)
24AQI (US)
34AQI (US)
42AQI (US)
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202636AQI (US)
31
25
3
14
17
29
1
23
8
30
26
5
2
1
180
35
Highest AQI (US) recorded in
March49AQI (US)
Lowest AQI (US) recorded in
June24AQI (US)
202532AQI (US)
31
28
29
2
30
30
1
30
23
8
21
10
30
25
6
29
1
25
6
331
34
Highest AQI (US) recorded in
July47AQI (US)
Lowest AQI (US) recorded in
June20AQI (US)
202428AQI (US)
31
29
31
30
31
30
27
4
31
29
1
31
30
31
361
5
Highest AQI (US) recorded in
July39AQI (US)
Lowest AQI (US) recorded in
December24AQI (US)
202328AQI (US)
31
28
30
1
23
7
31
29
1
31
31
30
31
29
31
355
9
Highest AQI (US) recorded in
April37AQI (US)
Lowest AQI (US) recorded in
October25AQI (US)
202227AQI (US)
31
20
1
31
29
1
30
1
30
19
3
1
28
30
1
30
31
310
7
Highest AQI (US) recorded in
July31AQI (US)
Lowest AQI (US) recorded in
August22AQI (US)
202123AQI (US)
31
28
31
30
28
2
1
30
31
31
30
31
29
1
31
361
3
1
Highest AQI (US) recorded in
May34AQI (US)
Lowest AQI (US) recorded in
February13AQI (US)
202015AQI (US)
13
21
18
30
31
31
19
31
30
31
255
Highest AQI (US) recorded in
August24AQI (US)
Lowest AQI (US) recorded in
May11AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Most Polluted Year Recorded
2026(Avg.)
36AQI (US)Least Polluted Year Recorded
2020(Avg.)
15AQI (US)Ochikawa's annual 2026 AQI (US) (36) shows an average percentage change of 49.9% (worsened AQI (US)) compared to previous years: 2020 (15), 2021 (23), 2022 (27), 2023 (28), 2024 (28), 2025 (32).
