Chichibu, Saitama, 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
Chichibu, Saitama, Japan
2022
2023
2024
2025
2026
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
3rd Aug 2024
60AQILowest AQI recorded on
30th Aug 2024
8AQISame Day Analysis (3rd August):
On this day, AQI across the 5 years varied significantly: 2026 ranks the most lowest AQI at 25 of Good air quality, showing improvement over 2025, 2024, 2023 and 2022 on the same day.
Day & Night AQI Trend: 2nd Aug - 3rd Aug 2026
Chichibu, Saitama, Japan
AQI
Day
Night
.
4 AM2nd Aug 2026
6 PM
3 AM3rd Aug 2026
Day time
Avg. Highest Time
6PM2nd Aug
52AQI
Avg. Lowest Time
2PM2nd Aug
34AQI
Night time
Avg. Highest Time
7PM2nd Aug
52AQI
Avg. Lowest Time
9PM2nd Aug
22AQI
In the last 24 hours,
Chichibu's AQI reached its highest point of 52 at 6 PM during the Day, while the lowest point, 22, was recorded at 9 PM during the Night between 2nd Aug and 3rd Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Chichibu, Saitama, 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 2026274 AMAQI
5th Jul 2026295 AMAQI
5th Jul 2026276 AMAQI
5th Jul 2026147 AMAQI
5th Jul 2026128 AMAQI
5th Jul 2026119 AMAQI
5th Jul 20261110 AMAQI
5th Jul 20261111 AMAQI
5th Jul 2026812 PMAQI
5th Jul 202681 PMAQI
5th Jul 202682 PMAQI
5th Jul 202683 PMAQI
5th Jul 2026134 PMAQI
5th Jul 2026185 PMAQI
5th Jul 2026196 PMAQI
5th Jul 2026207 PMAQI
5th Jul 2026218 PMAQI
5th Jul 2026249 PMAQI
5th Jul 20262610 PMAQI
5th Jul 20262511 PMAQI
6th Jul 20262212 AMAQI
6th Jul 2026221 AMAQI
6th Jul 2026242 AMAQI
6th Jul 2026213 AMAQI
23°C20/26°C
6th Jul 2026244 AMAQI
6th Jul 2026275 AMAQI
6th Jul 2026286 AMAQI
6th Jul 2026277 AMAQI
6th Jul 2026288 AMAQI
6th Jul 2026309 AMAQI
6th Jul 20263210 AMAQI
6th Jul 20262711 AMAQI
6th Jul 20262512 PMAQI
6th Jul 2026271 PMAQI
6th Jul 2026302 PMAQI
6th Jul 2026293 PMAQI
6th Jul 2026344 PMAQI
6th Jul 2026315 PMAQI
6th Jul 2026216 PMAQI
6th Jul 2026217 PMAQI
6th Jul 2026168 PMAQI
6th Jul 2026279 PMAQI
6th Jul 20262510 PMAQI
6th Jul 20262311 PMAQI
7th Jul 20262612 AMAQI
7th Jul 2026181 AMAQI
7th Jul 2026292 AMAQI
7th Jul 2026283 AMAQI
20°C20/21°C
7th Jul 2026244 AMAQI
7th Jul 2026265 AMAQI
7th Jul 2026226 AMAQI
7th Jul 2026257 AMAQI
7th Jul 2026268 AMAQI
7th Jul 2026249 AMAQI
7th Jul 20262410 AMAQI
7th Jul 20262311 AMAQI
7th Jul 20262312 PMAQI
7th Jul 2026241 PMAQI
7th Jul 2026262 PMAQI
7th Jul 2026303 PMAQI
7th Jul 2026264 PMAQI
7th Jul 2026285 PMAQI
7th Jul 2026286 PMAQI
7th Jul 2026287 PMAQI
7th Jul 2026278 PMAQI
7th Jul 2026289 PMAQI
7th Jul 20262810 PMAQI
7th Jul 20262611 PMAQI
8th Jul 20263012 AMAQI
8th Jul 2026301 AMAQI
8th Jul 2026302 AMAQI
8th Jul 2026273 AMAQI
23°C19/28°C
8th Jul 2026274 AMAQI
8th Jul 2026275 AMAQI
8th Jul 2026276 AMAQI
8th Jul 2026307 AMAQI
8th Jul 2026288 AMAQI
8th Jul 2026279 AMAQI
8th Jul 20262810 AMAQI
8th Jul 20262511 AMAQI
8th Jul 20262612 PMAQI
8th Jul 2026231 PMAQI
8th Jul 2026252 PMAQI
8th Jul 2026283 PMAQI
8th Jul 2026284 PMAQI
8th Jul 2026265 PMAQI
8th Jul 2026246 PMAQI
8th Jul 2026207 PMAQI
8th Jul 2026218 PMAQI
8th Jul 2026249 PMAQI
8th Jul 20262310 PMAQI
8th Jul 20262511 PMAQI
9th Jul 20262812 AMAQI
9th Jul 2026281 AMAQI
9th Jul 2026302 AMAQI
9th Jul 2026303 AMAQI
24°C20/29°C
9th Jul 2026264 AMAQI
9th Jul 2026275 AMAQI
9th Jul 2026276 AMAQI
9th Jul 2026287 AMAQI
9th Jul 2026288 AMAQI
9th Jul 2026249 AMAQI
9th Jul 20262510 AMAQI
9th Jul 20262411 AMAQI
9th Jul 20262412 PMAQI
9th Jul 2026221 PMAQI
9th Jul 2026242 PMAQI
9th Jul 2026263 PMAQI
9th Jul 2026264 PMAQI
9th Jul 2026265 PMAQI
9th Jul 2026266 PMAQI
9th Jul 2026267 PMAQI
9th Jul 2026268 PMAQI
9th Jul 2026249 PMAQI
9th Jul 20262410 PMAQI
9th Jul 20262811 PMAQI
10th Jul 20262612 AMAQI
10th Jul 2026281 AMAQI
10th Jul 2026282 AMAQI
10th Jul 2026273 AMAQI
26°C21/32°C
10th Jul 2026274 AMAQI
10th Jul 2026285 AMAQI
10th Jul 2026306 AMAQI
10th Jul 2026267 AMAQI
10th Jul 2026308 AMAQI
10th Jul 2026319 AMAQI
10th Jul 20263210 AMAQI
10th Jul 20262611 AMAQI
10th Jul 20262812 PMAQI
10th Jul 2026271 PMAQI
10th Jul 2026222 PMAQI
10th Jul 2026243 PMAQI
10th Jul 2026264 PMAQI
10th Jul 2026295 PMAQI
10th Jul 2026286 PMAQI
10th Jul 2026297 PMAQI
10th Jul 2026288 PMAQI
10th Jul 2026309 PMAQI
10th Jul 20263010 PMAQI
10th Jul 20263011 PMAQI
11th Jul 20263212 AMAQI
11th Jul 2026331 AMAQI
11th Jul 2026312 AMAQI
11th Jul 2026323 AMAQI
27°C22/33°C
11th Jul 2026284 AMAQI
11th Jul 2026325 AMAQI
11th Jul 2026316 AMAQI
11th Jul 2026317 AMAQI
11th Jul 2026328 AMAQI
11th Jul 2026349 AMAQI
11th Jul 20263310 AMAQI
11th Jul 20262811 AMAQI
11th Jul 20262612 PMAQI
11th Jul 2026251 PMAQI
11th Jul 2026252 PMAQI
11th Jul 2026233 PMAQI
11th Jul 2026274 PMAQI
11th Jul 2026305 PMAQI
11th Jul 2026316 PMAQI
11th Jul 2026307 PMAQI
11th Jul 2026278 PMAQI
11th Jul 2026309 PMAQI
11th Jul 20263210 PMAQI
11th Jul 20263211 PMAQI
12th Jul 20263212 AMAQI
12th Jul 2026321 AMAQI
12th Jul 2026322 AMAQI
12th Jul 2026313 AMAQI
28°C23/33°C
12th Jul 2026284 AMAQI
12th Jul 2026285 AMAQI
12th Jul 2026306 AMAQI
12th Jul 2026307 AMAQI
12th Jul 2026308 AMAQI
12th Jul 2026329 AMAQI
12th Jul 20263010 AMAQI
12th Jul 20262811 AMAQI
12th Jul 20262812 PMAQI
12th Jul 2026241 PMAQI
12th Jul 2026252 PMAQI
12th Jul 2026223 PMAQI
12th Jul 2026244 PMAQI
12th Jul 2026285 PMAQI
12th Jul 2026306 PMAQI
12th Jul 2026307 PMAQI
12th Jul 2026298 PMAQI
12th Jul 2026309 PMAQI
12th Jul 20263010 PMAQI
12th Jul 20262811 PMAQI
13th Jul 20262812 AMAQI
13th Jul 2026301 AMAQI
13th Jul 2026272 AMAQI
13th Jul 2026283 AMAQI
25°C23/29°C
13th Jul 2026254 AMAQI
13th Jul 2026295 AMAQI
13th Jul 2026246 AMAQI
13th Jul 2026267 AMAQI
13th Jul 2026258 AMAQI
13th Jul 2026269 AMAQI
13th Jul 20262910 AMAQI
13th Jul 20262411 AMAQI
13th Jul 20262312 PMAQI
13th Jul 2026211 PMAQI
13th Jul 2026202 PMAQI
13th Jul 2026203 PMAQI
13th Jul 2026254 PMAQI
13th Jul 2026305 PMAQI
13th Jul 2026316 PMAQI
13th Jul 2026307 PMAQI
13th Jul 2026328 PMAQI
13th Jul 2026319 PMAQI
13th Jul 20263210 PMAQI
13th Jul 20263111 PMAQI
14th Jul 20263112 AMAQI
14th Jul 2026321 AMAQI
14th Jul 2026322 AMAQI
14th Jul 2026303 AMAQI
25°C24/29°C
14th Jul 2026264 AMAQI
14th Jul 2026305 AMAQI
14th Jul 2026286 AMAQI
14th Jul 2026307 AMAQI
14th Jul 2026258 AMAQI
14th Jul 2026299 AMAQI
14th Jul 20263010 AMAQI
14th Jul 20262611 AMAQI
14th Jul 20262012 PMAQI
14th Jul 2026191 PMAQI
14th Jul 2026202 PMAQI
14th Jul 2026203 PMAQI
14th Jul 2026244 PMAQI
14th Jul 2026305 PMAQI
14th Jul 2026306 PMAQI
14th Jul 2026327 PMAQI
14th Jul 2026308 PMAQI
14th Jul 2026339 PMAQI
14th Jul 20263210 PMAQI
14th Jul 20263511 PMAQI
15th Jul 20263712 AMAQI
15th Jul 2026341 AMAQI
15th Jul 2026342 AMAQI
15th Jul 2026323 AMAQI
29°C23/35°C
15th Jul 2026294 AMAQI
15th Jul 2026335 AMAQI
15th Jul 2026296 AMAQI
15th Jul 2026327 AMAQI
15th Jul 2026318 AMAQI
15th Jul 2026309 AMAQI
15th Jul 20263210 AMAQI
15th Jul 20262511 AMAQI
15th Jul 20262512 PMAQI
15th Jul 2026241 PMAQI
15th Jul 2026252 PMAQI
15th Jul 2026383 PMAQI
15th Jul 2026484 PMAQI
15th Jul 2026455 PMAQI
15th Jul 2026396 PMAQI
15th Jul 2026387 PMAQI
15th Jul 2026418 PMAQI
15th Jul 2026349 PMAQI
15th Jul 20264010 PMAQI
15th Jul 20263811 PMAQI
16th Jul 20264012 AMAQI
16th Jul 2026391 AMAQI
16th Jul 2026382 AMAQI
16th Jul 2026383 AMAQI
30°C25/36°C
16th Jul 2026424 AMAQI
16th Jul 2026375 AMAQI
16th Jul 2026346 AMAQI
16th Jul 2026377 AMAQI
16th Jul 2026348 AMAQI
16th Jul 2026339 AMAQI
16th Jul 20263510 AMAQI
16th Jul 20263011 AMAQI
16th Jul 20263112 PMAQI
16th Jul 2026291 PMAQI
16th Jul 2026252 PMAQI
16th Jul 2026303 PMAQI
16th Jul 2026304 PMAQI
16th Jul 2026315 PMAQI
16th Jul 2026326 PMAQI
16th Jul 2026327 PMAQI
16th Jul 2026308 PMAQI
16th Jul 2026289 PMAQI
16th Jul 20262710 PMAQI
16th Jul 20262811 PMAQI
17th Jul 20262812 AMAQI
17th Jul 2026261 AMAQI
17th Jul 2026232 AMAQI
17th Jul 2026173 AMAQI
29°C25/35°C
17th Jul 2026204 AMAQI
17th Jul 2026195 AMAQI
17th Jul 2026226 AMAQI
17th Jul 2026267 AMAQI
17th Jul 2026248 AMAQI
17th Jul 2026259 AMAQI
17th Jul 20262810 AMAQI
17th Jul 20263211 AMAQI
17th Jul 20263812 PMAQI
17th Jul 2026461 PMAQI
17th Jul 2026362 PMAQI
17th Jul 2026503 PMAQI
17th Jul 2026434 PMAQI
17th Jul 2026385 PMAQI
17th Jul 2026316 PMAQI
17th Jul 2026347 PMAQI
17th Jul 2026348 PMAQI
17th Jul 2026349 PMAQI
17th Jul 20263810 PMAQI
17th Jul 20263111 PMAQI
18th Jul 20263412 AMAQI
18th Jul 2026311 AMAQI
18th Jul 2026292 AMAQI
18th Jul 2026293 AMAQI
27°C25/30°C
18th Jul 2026284 AMAQI
18th Jul 2026265 AMAQI
18th Jul 2026286 AMAQI
18th Jul 2026237 AMAQI
18th Jul 2026248 AMAQI
18th Jul 2026219 AMAQI
18th Jul 20262410 AMAQI
18th Jul 20262111 AMAQI
18th Jul 20262112 PMAQI
18th Jul 2026211 PMAQI
18th Jul 2026222 PMAQI
18th Jul 2026243 PMAQI
18th Jul 2026224 PMAQI
18th Jul 2026215 PMAQI
18th Jul 2026226 PMAQI
18th Jul 2026257 PMAQI
18th Jul 2026288 PMAQI
18th Jul 2026299 PMAQI
18th Jul 20263210 PMAQI
18th Jul 20262711 PMAQI
19th Jul 20263012 AMAQI
19th Jul 2026341 AMAQI
19th Jul 2026362 AMAQI
19th Jul 2026363 AMAQI
25°C24/27°C
19th Jul 2026344 AMAQI
19th Jul 2026365 AMAQI
19th Jul 2026436 AMAQI
19th Jul 2026437 AMAQI
19th Jul 2026388 AMAQI
19th Jul 2026289 AMAQI
19th Jul 20262810 AMAQI
19th Jul 20263111 AMAQI
19th Jul 20262712 PMAQI
19th Jul 2026331 PMAQI
19th Jul 2026272 PMAQI
19th Jul 2026263 PMAQI
19th Jul 2026324 PMAQI
19th Jul 2026325 PMAQI
19th Jul 2026346 PMAQI
19th Jul 2026287 PMAQI
19th Jul 2026328 PMAQI
19th Jul 2026369 PMAQI
19th Jul 20264210 PMAQI
19th Jul 20263011 PMAQI
20th Jul 20262212 AMAQI
20th Jul 2026301 AMAQI
20th Jul 2026252 AMAQI
20th Jul 2026303 AMAQI
28°C23/34°C
20th Jul 2026244 AMAQI
20th Jul 2026255 AMAQI
20th Jul 2026236 AMAQI
20th Jul 2026227 AMAQI
20th Jul 2026258 AMAQI
20th Jul 2026269 AMAQI
20th Jul 20262710 AMAQI
20th Jul 20263411 AMAQI
20th Jul 20263412 PMAQI
20th Jul 2026281 PMAQI
20th Jul 2026262 PMAQI
20th Jul 2026303 PMAQI
20th Jul 2026304 PMAQI
20th Jul 2026315 PMAQI
20th Jul 2026306 PMAQI
20th Jul 2026327 PMAQI
20th Jul 2026368 PMAQI
20th Jul 2026339 PMAQI
20th Jul 20263310 PMAQI
20th Jul 20263111 PMAQI
21st Jul 20263312 AMAQI
21st Jul 2026341 AMAQI
21st Jul 2026362 AMAQI
21st Jul 2026363 AMAQI
31°C25/36°C
21st Jul 2026374 AMAQI
21st Jul 2026465 AMAQI
21st Jul 2026536 AMAQI
21st Jul 2026527 AMAQI
21st Jul 2026538 AMAQI
21st Jul 2026529 AMAQI
21st Jul 20265010 AMAQI
21st Jul 20265111 AMAQI
21st Jul 2026511 PMAQI
21st Jul 2026512 PMAQI
21st Jul 2026543 PMAQI
21st Jul 2026544 PMAQI
21st Jul 2026565 PMAQI
21st Jul 2026566 PMAQI
21st Jul 2026947 PMAQI
21st Jul 2026548 PMAQI
21st Jul 2026549 PMAQI
21st Jul 20265210 PMAQI
21st Jul 20265411 PMAQI
22nd Jul 20265612 AMAQI
22nd Jul 2026581 AMAQI
22nd Jul 2026562 AMAQI
22nd Jul 2026523 AMAQI
31°C26/37°C
22nd Jul 2026534 AMAQI
22nd Jul 2026565 AMAQI
22nd Jul 2026566 AMAQI
22nd Jul 2026567 AMAQI
22nd Jul 2026588 AMAQI
22nd Jul 2026529 AMAQI
22nd Jul 20265410 AMAQI
22nd Jul 20265911 AMAQI
22nd Jul 20265812 PMAQI
22nd Jul 2026611 PMAQI
22nd Jul 2026612 PMAQI
22nd Jul 2026603 PMAQI
22nd Jul 2026634 PMAQI
22nd Jul 2026625 PMAQI
22nd Jul 2026656 PMAQI
22nd Jul 2026647 PMAQI
22nd Jul 2026688 PMAQI
22nd Jul 2026649 PMAQI
22nd Jul 20266410 PMAQI
22nd Jul 20266711 PMAQI
23rd Jul 20266112 AMAQI
23rd Jul 2026581 AMAQI
23rd Jul 2026562 AMAQI
23rd Jul 2026543 AMAQI
31°C26/37°C
23rd Jul 2026544 AMAQI
23rd Jul 2026565 AMAQI
23rd Jul 2026606 AMAQI
23rd Jul 2026627 AMAQI
23rd Jul 2026628 AMAQI
23rd Jul 2026679 AMAQI
23rd Jul 20266510 AMAQI
23rd Jul 20266011 AMAQI
23rd Jul 20265612 PMAQI
23rd Jul 2026541 PMAQI
23rd Jul 2026512 PMAQI
23rd Jul 2026453 PMAQI
23rd Jul 2026514 PMAQI
23rd Jul 2026585 PMAQI
23rd Jul 2026646 PMAQI
23rd Jul 2026747 PMAQI
23rd Jul 2026728 PMAQI
23rd Jul 2026609 PMAQI
23rd Jul 20264810 PMAQI
23rd Jul 20264311 PMAQI
24th Jul 20264012 AMAQI
24th Jul 2026341 AMAQI
24th Jul 2026342 AMAQI
24th Jul 2026343 AMAQI
31°C26/37°C
24th Jul 2026324 AMAQI
24th Jul 2026305 AMAQI
24th Jul 2026306 AMAQI
24th Jul 2026327 AMAQI
24th Jul 2026328 AMAQI
24th Jul 2026289 AMAQI
24th Jul 20262210 AMAQI
24th Jul 20263211 AMAQI
24th Jul 20263212 PMAQI
24th Jul 2026341 PMAQI
24th Jul 2026382 PMAQI
24th Jul 2026523 PMAQI
24th Jul 2026474 PMAQI
24th Jul 2026675 PMAQI
24th Jul 2026826 PMAQI
24th Jul 2026707 PMAQI
24th Jul 2026288 PMAQI
24th Jul 2026289 PMAQI
24th Jul 20262310 PMAQI
24th Jul 20262211 PMAQI
25th Jul 20262212 AMAQI
25th Jul 2026201 AMAQI
25th Jul 2026222 AMAQI
25th Jul 2026183 AMAQI
29°C25/33°C
25th Jul 2026204 AMAQI
25th Jul 2026205 AMAQI
25th Jul 2026206 AMAQI
25th Jul 2026267 AMAQI
25th Jul 2026288 AMAQI
25th Jul 2026279 AMAQI
25th Jul 20262010 AMAQI
25th Jul 20261811 AMAQI
25th Jul 20262212 PMAQI
25th Jul 2026221 PMAQI
25th Jul 2026282 PMAQI
25th Jul 2026273 PMAQI
25th Jul 2026274 PMAQI
25th Jul 2026275 PMAQI
25th Jul 2026286 PMAQI
25th Jul 2026317 PMAQI
25th Jul 2026468 PMAQI
25th Jul 2026319 PMAQI
25th Jul 20262610 PMAQI
25th Jul 20262411 PMAQI
26th Jul 20263012 AMAQI
26th Jul 2026271 AMAQI
26th Jul 2026272 AMAQI
26th Jul 2026313 AMAQI
28°C24/35°C
26th Jul 2026304 AMAQI
26th Jul 2026245 AMAQI
26th Jul 2026296 AMAQI
26th Jul 2026237 AMAQI
26th Jul 2026258 AMAQI
26th Jul 2026279 AMAQI
26th Jul 20262110 AMAQI
26th Jul 20262411 AMAQI
26th Jul 20262612 PMAQI
26th Jul 2026261 PMAQI
26th Jul 2026292 PMAQI
26th Jul 2026223 PMAQI
26th Jul 2026244 PMAQI
26th Jul 2026215 PMAQI
26th Jul 2026296 PMAQI
26th Jul 2026227 PMAQI
26th Jul 2026228 PMAQI
26th Jul 2026259 PMAQI
26th Jul 20262310 PMAQI
26th Jul 20262211 PMAQI
27th Jul 20262112 AMAQI
27th Jul 2026231 AMAQI
27th Jul 2026252 AMAQI
27th Jul 2026233 AMAQI
27°C24/31°C
27th Jul 2026234 AMAQI
27th Jul 2026215 AMAQI
27th Jul 2026256 AMAQI
27th Jul 2026227 AMAQI
27th Jul 2026218 AMAQI
27th Jul 2026339 AMAQI
27th Jul 20262510 AMAQI
27th Jul 20262311 AMAQI
27th Jul 20262312 PMAQI
27th Jul 2026231 PMAQI
27th Jul 2026252 PMAQI
27th Jul 2026223 PMAQI
27th Jul 2026234 PMAQI
27th Jul 2026255 PMAQI
27th Jul 2026236 PMAQI
27th Jul 2026277 PMAQI
27th Jul 2026248 PMAQI
27th Jul 2026229 PMAQI
27th Jul 20262410 PMAQI
27th Jul 20262411 PMAQI
28th Jul 20262312 AMAQI
28th Jul 2026211 AMAQI
28th Jul 2026232 AMAQI
28th Jul 2026243 AMAQI
26°C22/31°C
28th Jul 2026234 AMAQI
28th Jul 2026225 AMAQI
28th Jul 2026246 AMAQI
28th Jul 2026227 AMAQI
28th Jul 2026238 AMAQI
28th Jul 2026249 AMAQI
28th Jul 20262510 AMAQI
28th Jul 20262611 AMAQI
28th Jul 20263012 PMAQI
28th Jul 2026341 PMAQI
28th Jul 2026282 PMAQI
28th Jul 2026263 PMAQI
28th Jul 2026294 PMAQI
28th Jul 2026255 PMAQI
28th Jul 2026306 PMAQI
28th Jul 2026267 PMAQI
28th Jul 2026278 PMAQI
28th Jul 2026269 PMAQI
28th Jul 20262410 PMAQI
28th Jul 20262511 PMAQI
29th Jul 20262412 AMAQI
29th Jul 2026231 AMAQI
29th Jul 2026232 AMAQI
29th Jul 2026213 AMAQI
24°C22/27°C
29th Jul 2026234 AMAQI
29th Jul 2026245 AMAQI
29th Jul 2026256 AMAQI
29th Jul 2026217 AMAQI
29th Jul 2026218 AMAQI
29th Jul 2026239 AMAQI
29th Jul 20262210 AMAQI
29th Jul 20262511 AMAQI
29th Jul 20262212 PMAQI
29th Jul 2026221 PMAQI
29th Jul 2026262 PMAQI
29th Jul 2026273 PMAQI
29th Jul 2026264 PMAQI
29th Jul 2026265 PMAQI
29th Jul 2026236 PMAQI
29th Jul 2026237 PMAQI
29th Jul 2026258 PMAQI
29th Jul 2026249 PMAQI
29th Jul 20262410 PMAQI
29th Jul 20262411 PMAQI
30th Jul 20262312 AMAQI
30th Jul 2026231 AMAQI
30th Jul 2026232 AMAQI
30th Jul 2026253 AMAQI
27°C20/35°C
30th Jul 2026254 AMAQI
30th Jul 2026255 AMAQI
30th Jul 2026246 AMAQI
30th Jul 2026217 AMAQI
30th Jul 2026218 AMAQI
30th Jul 2026219 AMAQI
30th Jul 20262110 AMAQI
30th Jul 20262311 AMAQI
30th Jul 20262212 PMAQI
30th Jul 2026311 PMAQI
30th Jul 2026292 PMAQI
30th Jul 2026263 PMAQI
30th Jul 2026244 PMAQI
30th Jul 2026285 PMAQI
30th Jul 2026306 PMAQI
30th Jul 2026387 PMAQI
30th Jul 2026368 PMAQI
30th Jul 2026389 PMAQI
30th Jul 20263910 PMAQI
30th Jul 20263811 PMAQI
31st Jul 20265412 AMAQI
31st Jul 2026551 AMAQI
31st Jul 2026542 AMAQI
31st Jul 2026523 AMAQI
28°C23/35°C
31st Jul 2026524 AMAQI
31st Jul 2026535 AMAQI
31st Jul 2026526 AMAQI
31st Jul 2026547 AMAQI
31st Jul 2026538 AMAQI
31st Jul 2026509 AMAQI
31st Jul 20265010 AMAQI
31st Jul 20264811 AMAQI
31st Jul 20264512 PMAQI
31st Jul 2026431 PMAQI
31st Jul 2026402 PMAQI
31st Jul 2026423 PMAQI
31st Jul 2026434 PMAQI
31st Jul 2026485 PMAQI
31st Jul 2026476 PMAQI
31st Jul 2026537 PMAQI
31st Jul 2026568 PMAQI
31st Jul 2026539 PMAQI
31st Jul 20265610 PMAQI
31st Jul 20265511 PMAQI
1st Aug 20265612 AMAQI
1st Aug 2026581 AMAQI
1st Aug 2026582 AMAQI
1st Aug 2026533 AMAQI
29°C24/35°C
1st Aug 2026564 AMAQI
1st Aug 2026545 AMAQI
1st Aug 2026546 AMAQI
1st Aug 2026567 AMAQI
1st Aug 2026588 AMAQI
1st Aug 2026569 AMAQI
1st Aug 20265310 AMAQI
1st Aug 20265511 AMAQI
1st Aug 20265112 PMAQI
1st Aug 2026391 PMAQI
1st Aug 2026412 PMAQI
1st Aug 2026403 PMAQI
1st Aug 2026384 PMAQI
1st Aug 2026375 PMAQI
1st Aug 2026416 PMAQI
1st Aug 2026407 PMAQI
1st Aug 2026418 PMAQI
1st Aug 2026639 PMAQI
1st Aug 20263310 PMAQI
1st Aug 20266211 PMAQI
2nd Aug 20265512 AMAQI
2nd Aug 2026501 AMAQI
2nd Aug 2026472 AMAQI
2nd Aug 2026393 AMAQI
31°C25/36°C
2nd Aug 2026384 AMAQI
2nd Aug 2026395 AMAQI
2nd Aug 2026386 AMAQI
2nd Aug 2026387 AMAQI
2nd Aug 2026388 AMAQI
2nd Aug 2026349 AMAQI
2nd Aug 20263610 AMAQI
2nd Aug 20263711 AMAQI
2nd Aug 20263812 PMAQI
2nd Aug 2026361 PMAQI
2nd Aug 2026342 PMAQI
2nd Aug 2026403 PMAQI
2nd Aug 2026424 PMAQI
2nd Aug 2026495 PMAQI
2nd Aug 2026526 PMAQI
2nd Aug 2026527 PMAQI
2nd Aug 2026348 PMAQI
2nd Aug 2026229 PMAQI
2nd Aug 20262410 PMAQI
2nd Aug 20262511 PMAQI
3rd Aug 20263412 AMAQI
3rd Aug 2026361 AMAQI
3rd Aug 2026302 AMAQI
3rd Aug 2026323 AMAQI
29°C24/36°C
3rd Aug 2026324 AMAQI
4 AM3rd Aug 2026285 AMAQI
3rd Aug 2026296 AMAQI
3rd Aug 2026217 AMAQI
3rd Aug 2026218 AMAQI
3rd Aug 2026259 AMAQI
3rd Aug 20262110 AMAQI
3rd Aug 20262411 AMAQI
11 AM3rd Aug 20262112 PMAQI
3rd Aug 2026211 PMAQI
3rd Aug 2026212 PMAQI
3rd Aug 2026253 PMAQI
3rd Aug 2026254 PMAQI
3rd Aug 2026225 PMAQI
3rd Aug 2026236 PMAQI
6 PM3rd Aug 2026217 PMAQI
3rd Aug 2026218 PMAQI
3rd Aug 2026239 PMAQI
3rd Aug 20262310 PMAQI
3rd Aug 20262111 PMAQI
11 PM3 AM
23°C22/24°C
Day time
Avg. Highest Time
5 PM - 6 PM
35AQI
2 hours / Day
60 hours / Month
Avg. Lowest Time
12 PM
29AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 5 PM to 6 PM (Avg. 35), while the lowest AQI was between 12 PM to 12 PM (Avg. 29).
Night time
Avg. Highest Time
7 PM
36AQI
1 hours / Day
30 hours / Month
Avg. Lowest Time
3 AM
32AQI
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. 36), while the lowest AQI was between 3 AM to 3 AM (Avg. 32).
2026 Days Vs Air Quality
Chichibu, Saitama, Japan
2026
84%
181
16%
34
Total number of days with different AQI categories in last 215 days in 2026 (150 days remaining)
Good
181 DaysModerate
34 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
Chichibu, Saitama, 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
21AQI (US)
21AQI (US)
2nd January 2026
14AQI (US)
14AQI (US)
3rd January 2026
15AQI (US)
15AQI (US)
4th January 2026
18AQI (US)
18AQI (US)
5th January 2026
24AQI (US)
24AQI (US)
6th January 2026
20AQI (US)
20AQI (US)
7th January 2026
24AQI (US)
24AQI (US)
8th January 2026
26AQI (US)
26AQI (US)
9th January 2026
13AQI (US)
13AQI (US)
10th January 2026
23AQI (US)
23AQI (US)
11th January 2026
29AQI (US)
29AQI (US)
12th January 2026
13AQI (US)
13AQI (US)
13th January 2026
24AQI (US)
24AQI (US)
14th January 2026
16AQI (US)
16AQI (US)
15th January 2026
35AQI (US)
35AQI (US)
16th January 2026
44AQI (US)
44AQI (US)
17th January 2026
44AQI (US)
44AQI (US)
18th January 2026
26AQI (US)
26AQI (US)
19th January 2026
47AQI (US)
47AQI (US)
20th January 2026
32AQI (US)
32AQI (US)
21st January 2026
14AQI (US)
14AQI (US)
22nd January 2026
24AQI (US)
24AQI (US)
23rd January 2026
51AQI (US)
51AQI (US)
24th January 2026
52AQI (US)
52AQI (US)
25th January 2026
42AQI (US)
42AQI (US)
26th January 2026
27AQI (US)
27AQI (US)
27th January 2026
42AQI (US)
42AQI (US)
28th January 2026
26AQI (US)
26AQI (US)
29th January 2026
22AQI (US)
22AQI (US)
30th January 2026
37AQI (US)
37AQI (US)
31st January 2026
35AQI (US)
35AQI (US)
1st February 2026
42AQI (US)
42AQI (US)
2nd February 2026
52AQI (US)
52AQI (US)
3rd February 2026
30AQI (US)
30AQI (US)
4th February 2026
48AQI (US)
48AQI (US)
5th February 2026
49AQI (US)
49AQI (US)
6th February 2026
50AQI (US)
50AQI (US)
7th February 2026
15AQI (US)
15AQI (US)
8th February 2026
16AQI (US)
16AQI (US)
9th February 2026
40AQI (US)
40AQI (US)
10th February 2026
46AQI (US)
46AQI (US)
11th February 2026
47AQI (US)
47AQI (US)
12th February 2026
34AQI (US)
34AQI (US)
13th February 2026
48AQI (US)
48AQI (US)
14th February 2026
66AQI (US)
66AQI (US)
15th February 2026
56AQI (US)
56AQI (US)
16th February 2026
38AQI (US)
38AQI (US)
17th February 2026
16AQI (US)
16AQI (US)
18th February 2026
30AQI (US)
30AQI (US)
19th February 2026
30AQI (US)
30AQI (US)
20th February 2026
28AQI (US)
28AQI (US)
21st February 2026
42AQI (US)
42AQI (US)
22nd February 2026
40AQI (US)
40AQI (US)
23rd February 2026
42AQI (US)
42AQI (US)
24th February 2026
38AQI (US)
38AQI (US)
25th February 2026
46AQI (US)
46AQI (US)
26th February 2026
10AQI (US)
10AQI (US)
27th February 2026
26AQI (US)
26AQI (US)
28th February 2026
48AQI (US)
48AQI (US)
1st March 2026
51AQI (US)
51AQI (US)
2nd March 2026
85AQI (US)
85AQI (US)
3rd March 2026
52AQI (US)
52AQI (US)
4th March 2026
58AQI (US)
58AQI (US)
5th March 2026
62AQI (US)
62AQI (US)
6th March 2026
52AQI (US)
52AQI (US)
7th March 2026
49AQI (US)
49AQI (US)
8th March 2026
48AQI (US)
48AQI (US)
9th March 2026
54AQI (US)
54AQI (US)
10th March 2026
59AQI (US)
59AQI (US)
11th March 2026
59AQI (US)
59AQI (US)
12th March 2026
73AQI (US)
73AQI (US)
13th March 2026
45AQI (US)
45AQI (US)
14th March 2026
40AQI (US)
40AQI (US)
15th March 2026
13AQI (US)
13AQI (US)
16th March 2026
31AQI (US)
31AQI (US)
17th March 2026
58AQI (US)
58AQI (US)
18th March 2026
59AQI (US)
59AQI (US)
19th March 2026
34AQI (US)
34AQI (US)
20th March 2026
18AQI (US)
18AQI (US)
21st March 2026
46AQI (US)
46AQI (US)
22nd March 2026
60AQI (US)
60AQI (US)
23rd March 2026
60AQI (US)
60AQI (US)
24th March 2026
46AQI (US)
46AQI (US)
25th March 2026
52AQI (US)
52AQI (US)
26th March 2026
18AQI (US)
18AQI (US)
27th March 2026
16AQI (US)
16AQI (US)
28th March 2026
44AQI (US)
44AQI (US)
29th March 2026
56AQI (US)
56AQI (US)
30th March 2026
49AQI (US)
49AQI (US)
31st March 2026
32AQI (US)
32AQI (US)
1st April 2026
14AQI (US)
14AQI (US)
2nd April 2026
21AQI (US)
21AQI (US)
3rd April 2026
47AQI (US)
47AQI (US)
4th April 2026
58AQI (US)
58AQI (US)
5th April 2026
28AQI (US)
28AQI (US)
6th April 2026
28AQI (US)
28AQI (US)
7th April 2026
36AQI (US)
36AQI (US)
8th April 2026
24AQI (US)
24AQI (US)
9th April 2026
33AQI (US)
33AQI (US)
10th April 2026
48AQI (US)
48AQI (US)
11th April 2026
37AQI (US)
37AQI (US)
12th April 2026
36AQI (US)
36AQI (US)
13th April 2026
37AQI (US)
37AQI (US)
14th April 2026
48AQI (US)
48AQI (US)
15th April 2026
46AQI (US)
46AQI (US)
16th April 2026
28AQI (US)
28AQI (US)
17th April 2026
32AQI (US)
32AQI (US)
18th April 2026
32AQI (US)
32AQI (US)
19th April 2026
35AQI (US)
35AQI (US)
20th April 2026
38AQI (US)
38AQI (US)
21st April 2026
41AQI (US)
41AQI (US)
22nd April 2026
46AQI (US)
46AQI (US)
23rd April 2026
36AQI (US)
36AQI (US)
24th April 2026
30AQI (US)
30AQI (US)
25th April 2026
46AQI (US)
46AQI (US)
26th April 2026
51AQI (US)
51AQI (US)
27th April 2026
48AQI (US)
48AQI (US)
28th April 2026
42AQI (US)
42AQI (US)
29th April 2026
39AQI (US)
39AQI (US)
30th April 2026
38AQI (US)
38AQI (US)
1st May 2026
43AQI (US)
43AQI (US)
2nd May 2026
51AQI (US)
51AQI (US)
3rd May 2026
49AQI (US)
49AQI (US)
4th May 2026
28AQI (US)
28AQI (US)
5th May 2026
20AQI (US)
20AQI (US)
6th May 2026
35AQI (US)
35AQI (US)
7th May 2026
36AQI (US)
36AQI (US)
8th May 2026
28AQI (US)
28AQI (US)
9th May 2026
28AQI (US)
28AQI (US)
10th May 2026
35AQI (US)
35AQI (US)
11th May 2026
38AQI (US)
38AQI (US)
12th May 2026
42AQI (US)
42AQI (US)
13th May 2026
45AQI (US)
45AQI (US)
14th May 2026
41AQI (US)
41AQI (US)
15th May 2026
48AQI (US)
48AQI (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
61AQI (US)
61AQI (US)
21st May 2026
58AQI (US)
58AQI (US)
22nd May 2026
59AQI (US)
59AQI (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
27AQI (US)
27AQI (US)
28th May 2026
26AQI (US)
26AQI (US)
29th May 2026
25AQI (US)
25AQI (US)
30th May 2026
25AQI (US)
25AQI (US)
31st May 2026
28AQI (US)
28AQI (US)
1st June 2026
34AQI (US)
34AQI (US)
2nd June 2026
36AQI (US)
36AQI (US)
3rd June 2026
22AQI (US)
22AQI (US)
4th June 2026
14AQI (US)
14AQI (US)
5th June 2026
22AQI (US)
22AQI (US)
6th June 2026
23AQI (US)
23AQI (US)
7th June 2026
19AQI (US)
19AQI (US)
8th June 2026
18AQI (US)
18AQI (US)
9th June 2026
20AQI (US)
20AQI (US)
10th June 2026
20AQI (US)
20AQI (US)
11th June 2026
25AQI (US)
25AQI (US)
12th June 2026
25AQI (US)
25AQI (US)
13th June 2026
26AQI (US)
26AQI (US)
14th June 2026
25AQI (US)
25AQI (US)
15th June 2026
22AQI (US)
22AQI (US)
16th June 2026
26AQI (US)
26AQI (US)
17th June 2026
24AQI (US)
24AQI (US)
18th June 2026
26AQI (US)
26AQI (US)
19th June 2026
30AQI (US)
30AQI (US)
20th June 2026
17AQI (US)
17AQI (US)
21st June 2026
15AQI (US)
15AQI (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
22AQI (US)
22AQI (US)
26th June 2026
22AQI (US)
22AQI (US)
27th June 2026
24AQI (US)
24AQI (US)
28th June 2026
28AQI (US)
28AQI (US)
29th June 2026
26AQI (US)
26AQI (US)
30th June 2026
25AQI (US)
25AQI (US)
1st July 2026
28AQI (US)
28AQI (US)
2nd July 2026
20AQI (US)
20AQI (US)
3rd July 2026
12AQI (US)
12AQI (US)
4th July 2026
38AQI (US)
38AQI (US)
5th July 2026
19AQI (US)
19AQI (US)
6th July 2026
26AQI (US)
26AQI (US)
7th July 2026
26AQI (US)
26AQI (US)
8th July 2026
26AQI (US)
26AQI (US)
9th July 2026
26AQI (US)
26AQI (US)
10th July 2026
28AQI (US)
28AQI (US)
11th July 2026
30AQI (US)
30AQI (US)
12th July 2026
29AQI (US)
29AQI (US)
13th July 2026
27AQI (US)
27AQI (US)
14th July 2026
28AQI (US)
28AQI (US)
15th July 2026
34AQI (US)
34AQI (US)
16th July 2026
33AQI (US)
33AQI (US)
17th July 2026
31AQI (US)
31AQI (US)
18th July 2026
26AQI (US)
26AQI (US)
19th July 2026
33AQI (US)
33AQI (US)
20th July 2026
28AQI (US)
28AQI (US)
21st July 2026
50AQI (US)
50AQI (US)
22nd July 2026
60AQI (US)
60AQI (US)
23rd July 2026
58AQI (US)
58AQI (US)
24th July 2026
38AQI (US)
38AQI (US)
25th July 2026
25AQI (US)
25AQI (US)
26th July 2026
26AQI (US)
26AQI (US)
27th July 2026
24AQI (US)
24AQI (US)
28th July 2026
26AQI (US)
26AQI (US)
29th July 2026
24AQI (US)
24AQI (US)
30th July 2026
27AQI (US)
27AQI (US)
31st July 2026
50AQI (US)
50AQI (US)
1st August 2026
50AQI (US)
50AQI (US)
2nd August 2026
39AQI (US)
39AQI (US)
3rd August 2026
25AQI (US)
25AQI (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
28AQI (US)
38AQI (US)
48AQI (US)
37AQI (US)
43AQI (US)
23AQI (US)
31AQI (US)
38AQI (US)
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202636AQI (US)
29
2
25
3
15
16
28
2
22
9
30
29
2
3
181
34
Highest AQI (US) recorded in
March48AQI (US)
Lowest AQI (US) recorded in
June23AQI (US)
202539AQI (US)
31
28
24
7
25
5
28
3
26
4
23
8
24
7
30
23
8
28
2
27
4
317
48
Highest AQI (US) recorded in
July48AQI (US)
Lowest AQI (US) recorded in
January32AQI (US)
202436AQI (US)
31
29
27
4
19
11
26
5
23
7
24
7
29
2
29
1
31
30
31
329
37
Highest AQI (US) recorded in
April49AQI (US)
Lowest AQI (US) recorded in
December28AQI (US)
202338AQI (US)
29
1
26
2
26
5
21
9
24
7
22
8
24
7
31
30
31
25
4
31
320
43
Highest AQI (US) recorded in
April48AQI (US)
Lowest AQI (US) recorded in
August29AQI (US)
202236AQI (US)
30
1
20
1
25
6
21
9
25
6
21
9
22
3
3
29
29
2
30
31
286
37
Highest AQI (US) recorded in
April44AQI (US)
Lowest AQI (US) recorded in
September28AQI (US)
202134AQI (US)
31
24
4
26
5
28
2
27
4
25
5
28
3
30
1
30
31
29
1
31
340
25
Highest AQI (US) recorded in
June41AQI (US)
Lowest AQI (US) recorded in
January29AQI (US)
202035AQI (US)
11
2
17
4
18
20
10
29
2
13
18
19
28
3
26
4
31
212
43
Highest AQI (US) recorded in
August51AQI (US)
Lowest AQI (US) recorded in
September25AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Most Polluted Year Recorded
2025(Avg.)
39AQI (US)Least Polluted Year Recorded
2021(Avg.)
34AQI (US)Chichibu's annual 2026 AQI (US) (36) shows an average percentage change of -0.7% (improved AQI (US)) compared to previous years: 2020 (35), 2021 (34), 2022 (36), 2023 (38), 2024 (36), 2025 (39).
