Shiroishi, 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+
November Air Quality Analysis
Shiroishi, Chichibu, Saitama, Japan
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
5th Nov 2023
68AQILowest AQI recorded on
15th Nov 2022
19AQISame Day Analysis (21st November ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 46 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 21st Nov - 22nd Nov 2025
Shiroishi, Chichibu, Saitama, Japan
AQI
Day
Night
.
6 AM21st Nov 2025
4 PM
5 AM22nd Nov 2025
Day time
Avg. Highest Time
12AMNaNth undefined
AQI
Avg. Lowest Time
12AMNaNth undefined
AQI
Night time
Avg. Highest Time
7AM21st Nov
54AQI
Avg. Lowest Time
4PM21st Nov
11AQI
In the last 24 hours,
Shiroishi's AQI reached its highest point of 54 at 7 AM during the Night, while the lowest point, undefined, was recorded at 5 AM during the Night between 21st Nov and 22nd Nov 2025.
Day & Night AQI Trend : Oct - Nov 2025
Shiroishi, Chichibu, Saitama, Japan
OctNov
23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd
Day
Night
23rd Oct 2025266 AMAQI
23rd Oct 2025257 AMAQI
23rd Oct 2025278 AMAQI
23rd Oct 2025399 AMAQI
23rd Oct 20252110 AMAQI
23rd Oct 20252711 AMAQI
23rd Oct 20252812 PMAQI
23rd Oct 2025121 PMAQI
23rd Oct 2025122 PMAQI
23rd Oct 2025113 PMAQI
23rd Oct 2025294 PMAQI
23rd Oct 2025375 PMAQI
23rd Oct 2025356 PMAQI
23rd Oct 2025357 PMAQI
23rd Oct 2025218 PMAQI
23rd Oct 2025539 PMAQI
23rd Oct 20255210 PMAQI
23rd Oct 20255211 PMAQI
24th Oct 20255212 AMAQI
24th Oct 2025261 AMAQI
24th Oct 2025222 AMAQI
24th Oct 2025223 AMAQI
24th Oct 2025404 AMAQI
24th Oct 2025305 AMAQI
13°C10/18°C
24th Oct 2025286 AMAQI
24th Oct 2025287 AMAQI
24th Oct 2025288 AMAQI
24th Oct 2025289 AMAQI
24th Oct 20253610 AMAQI
24th Oct 20253011 AMAQI
24th Oct 20252812 PMAQI
24th Oct 2025311 PMAQI
24th Oct 2025362 PMAQI
24th Oct 2025223 PMAQI
24th Oct 2025334 PMAQI
24th Oct 2025345 PMAQI
24th Oct 2025346 PMAQI
24th Oct 2025337 PMAQI
24th Oct 2025438 PMAQI
24th Oct 2025459 PMAQI
24th Oct 20254410 PMAQI
24th Oct 20254511 PMAQI
25th Oct 20254512 AMAQI
25th Oct 2025531 AMAQI
25th Oct 2025332 AMAQI
25th Oct 2025473 AMAQI
25th Oct 2025404 AMAQI
25th Oct 2025395 AMAQI
13°C9/18°C
25th Oct 2025396 AMAQI
25th Oct 2025397 AMAQI
25th Oct 2025308 AMAQI
25th Oct 2025469 AMAQI
25th Oct 20253210 AMAQI
25th Oct 20253011 AMAQI
25th Oct 20253112 PMAQI
25th Oct 2025331 PMAQI
25th Oct 2025322 PMAQI
25th Oct 2025353 PMAQI
25th Oct 2025134 PMAQI
25th Oct 2025115 PMAQI
25th Oct 2025156 PMAQI
25th Oct 2025377 PMAQI
25th Oct 2025208 PMAQI
25th Oct 2025349 PMAQI
25th Oct 20251410 PMAQI
25th Oct 20251111 PMAQI
26th Oct 20251112 AMAQI
26th Oct 2025151 AMAQI
26th Oct 2025242 AMAQI
26th Oct 2025113 AMAQI
26th Oct 2025114 AMAQI
26th Oct 2025175 AMAQI
13°C12/14°C
26th Oct 2025336 AMAQI
26th Oct 2025277 AMAQI
26th Oct 2025238 AMAQI
26th Oct 2025189 AMAQI
26th Oct 20251810 AMAQI
26th Oct 20251711 AMAQI
26th Oct 20252012 PMAQI
26th Oct 2025381 PMAQI
26th Oct 2025262 PMAQI
26th Oct 2025233 PMAQI
26th Oct 2025264 PMAQI
26th Oct 2025225 PMAQI
26th Oct 2025226 PMAQI
26th Oct 2025167 PMAQI
26th Oct 2025178 PMAQI
26th Oct 2025179 PMAQI
26th Oct 20251710 PMAQI
26th Oct 20252011 PMAQI
27th Oct 20251912 AMAQI
27th Oct 2025251 AMAQI
27th Oct 2025352 AMAQI
27th Oct 2025263 AMAQI
27th Oct 2025224 AMAQI
27th Oct 2025155 AMAQI
14°C13/16°C
27th Oct 2025146 AMAQI
27th Oct 2025147 AMAQI
27th Oct 2025448 AMAQI
27th Oct 2025129 AMAQI
27th Oct 20251210 AMAQI
27th Oct 20251211 AMAQI
27th Oct 20251112 PMAQI
27th Oct 2025121 PMAQI
27th Oct 2025222 PMAQI
27th Oct 2025263 PMAQI
27th Oct 2025284 PMAQI
27th Oct 2025275 PMAQI
27th Oct 2025236 PMAQI
27th Oct 2025197 PMAQI
27th Oct 2025358 PMAQI
27th Oct 2025459 PMAQI
27th Oct 20254410 PMAQI
27th Oct 20254511 PMAQI
28th Oct 20253112 AMAQI
28th Oct 2025501 AMAQI
28th Oct 2025512 AMAQI
28th Oct 2025503 AMAQI
28th Oct 2025454 AMAQI
28th Oct 2025365 AMAQI
17°C14/21°C
28th Oct 2025376 AMAQI
28th Oct 2025387 AMAQI
28th Oct 2025428 AMAQI
28th Oct 2025429 AMAQI
28th Oct 20253210 AMAQI
28th Oct 20253311 AMAQI
28th Oct 20252212 PMAQI
28th Oct 2025211 PMAQI
28th Oct 2025222 PMAQI
28th Oct 2025273 PMAQI
28th Oct 2025284 PMAQI
28th Oct 2025275 PMAQI
28th Oct 2025226 PMAQI
28th Oct 2025227 PMAQI
28th Oct 2025278 PMAQI
28th Oct 2025209 PMAQI
28th Oct 20252010 PMAQI
28th Oct 20251711 PMAQI
29th Oct 20251712 AMAQI
29th Oct 2025311 AMAQI
29th Oct 2025342 AMAQI
29th Oct 2025353 AMAQI
29th Oct 2025234 AMAQI
29th Oct 2025265 AMAQI
14°C12/19°C
29th Oct 2025286 AMAQI
29th Oct 2025217 AMAQI
29th Oct 2025178 AMAQI
29th Oct 2025189 AMAQI
29th Oct 20252210 AMAQI
29th Oct 20252111 AMAQI
29th Oct 20252212 PMAQI
29th Oct 2025221 PMAQI
29th Oct 2025232 PMAQI
29th Oct 2025273 PMAQI
29th Oct 2025334 PMAQI
29th Oct 2025355 PMAQI
29th Oct 2025376 PMAQI
29th Oct 2025247 PMAQI
29th Oct 2025358 PMAQI
29th Oct 2025559 PMAQI
29th Oct 20255610 PMAQI
29th Oct 20255611 PMAQI
30th Oct 20255512 AMAQI
30th Oct 2025471 AMAQI
30th Oct 2025442 AMAQI
30th Oct 2025493 AMAQI
30th Oct 2025504 AMAQI
30th Oct 2025505 AMAQI
12°C7/16°C
30th Oct 2025506 AMAQI
30th Oct 2025497 AMAQI
30th Oct 2025528 AMAQI
30th Oct 2025539 AMAQI
30th Oct 20254210 AMAQI
30th Oct 20254411 AMAQI
30th Oct 20254312 PMAQI
30th Oct 2025431 PMAQI
30th Oct 2025372 PMAQI
30th Oct 2025573 PMAQI
30th Oct 2025574 PMAQI
30th Oct 2025585 PMAQI
30th Oct 2025506 PMAQI
30th Oct 2025427 PMAQI
30th Oct 2025388 PMAQI
30th Oct 2025599 PMAQI
30th Oct 20256310 PMAQI
30th Oct 20256211 PMAQI
31st Oct 20256212 AMAQI
31st Oct 2025581 AMAQI
31st Oct 2025592 AMAQI
31st Oct 2025593 AMAQI
31st Oct 2025574 AMAQI
31st Oct 2025565 AMAQI
12°C8/17°C
31st Oct 2025566 AMAQI
31st Oct 2025567 AMAQI
31st Oct 2025608 AMAQI
31st Oct 2025579 AMAQI
31st Oct 20255510 AMAQI
31st Oct 20255511 AMAQI
31st Oct 20255512 PMAQI
31st Oct 2025531 PMAQI
31st Oct 2025562 PMAQI
31st Oct 2025593 PMAQI
31st Oct 2025604 PMAQI
31st Oct 2025615 PMAQI
31st Oct 2025626 PMAQI
31st Oct 2025447 PMAQI
31st Oct 2025598 PMAQI
31st Oct 2025629 PMAQI
31st Oct 20255810 PMAQI
31st Oct 20255611 PMAQI
1st Nov 20255512 AMAQI
1st Nov 2025361 AMAQI
1st Nov 2025322 AMAQI
1st Nov 2025233 AMAQI
1st Nov 2025164 AMAQI
1st Nov 2025125 AMAQI
13°C9/18°C
1st Nov 2025176 AMAQI
1st Nov 2025127 AMAQI
1st Nov 2025208 AMAQI
1st Nov 2025209 AMAQI
1st Nov 20251610 AMAQI
1st Nov 20251611 AMAQI
1st Nov 20251412 PMAQI
1st Nov 2025111 PMAQI
1st Nov 2025112 PMAQI
1st Nov 2025113 PMAQI
1st Nov 2025144 PMAQI
1st Nov 2025155 PMAQI
1st Nov 2025186 PMAQI
1st Nov 2025227 PMAQI
1st Nov 2025238 PMAQI
1st Nov 2025249 PMAQI
1st Nov 20252310 PMAQI
1st Nov 20252211 PMAQI
2nd Nov 20252212 AMAQI
2nd Nov 2025271 AMAQI
2nd Nov 2025302 AMAQI
2nd Nov 2025303 AMAQI
2nd Nov 2025234 AMAQI
2nd Nov 2025205 AMAQI
16°C12/22°C
2nd Nov 2025186 AMAQI
2nd Nov 2025187 AMAQI
2nd Nov 2025178 AMAQI
2nd Nov 2025199 AMAQI
2nd Nov 20251610 AMAQI
2nd Nov 20251111 AMAQI
2nd Nov 20251112 PMAQI
2nd Nov 2025181 PMAQI
2nd Nov 2025272 PMAQI
2nd Nov 2025273 PMAQI
2nd Nov 2025184 PMAQI
2nd Nov 2025325 PMAQI
2nd Nov 2025336 PMAQI
2nd Nov 2025337 PMAQI
2nd Nov 2025208 PMAQI
2nd Nov 2025449 PMAQI
2nd Nov 20254410 PMAQI
2nd Nov 20254411 PMAQI
3rd Nov 20252512 AMAQI
3rd Nov 2025361 AMAQI
3rd Nov 2025372 AMAQI
3rd Nov 2025433 AMAQI
3rd Nov 2025444 AMAQI
3rd Nov 2025445 AMAQI
15°C11/19°C
3rd Nov 2025356 AMAQI
3rd Nov 2025237 AMAQI
3rd Nov 2025228 AMAQI
3rd Nov 2025289 AMAQI
3rd Nov 20254210 AMAQI
3rd Nov 20254411 AMAQI
3rd Nov 20252212 PMAQI
3rd Nov 2025221 PMAQI
3rd Nov 2025222 PMAQI
3rd Nov 2025223 PMAQI
3rd Nov 2025184 PMAQI
3rd Nov 2025175 PMAQI
3rd Nov 2025176 PMAQI
3rd Nov 2025177 PMAQI
3rd Nov 2025178 PMAQI
3rd Nov 2025199 PMAQI
3rd Nov 20251810 PMAQI
3rd Nov 20251711 PMAQI
4th Nov 20251712 AMAQI
4th Nov 2025201 AMAQI
4th Nov 2025202 AMAQI
4th Nov 2025213 AMAQI
4th Nov 2025244 AMAQI
4th Nov 2025195 AMAQI
13°C8/18°C
4th Nov 2025116 AMAQI
4th Nov 2025117 AMAQI
4th Nov 2025138 AMAQI
4th Nov 2025229 AMAQI
4th Nov 20252210 AMAQI
4th Nov 20251111 AMAQI
4th Nov 20251112 PMAQI
4th Nov 2025111 PMAQI
4th Nov 2025172 PMAQI
4th Nov 2025213 PMAQI
4th Nov 2025274 PMAQI
4th Nov 2025245 PMAQI
4th Nov 2025236 PMAQI
4th Nov 2025177 PMAQI
4th Nov 2025128 PMAQI
4th Nov 2025399 PMAQI
4th Nov 20253110 PMAQI
4th Nov 20253311 PMAQI
5th Nov 20253312 AMAQI
5th Nov 2025301 AMAQI
5th Nov 2025282 AMAQI
5th Nov 2025283 AMAQI
5th Nov 2025254 AMAQI
5th Nov 2025245 AMAQI
10°C6/15°C
5th Nov 2025236 AMAQI
5th Nov 2025257 AMAQI
5th Nov 2025238 AMAQI
5th Nov 2025349 AMAQI
5th Nov 20253210 AMAQI
5th Nov 20253311 AMAQI
5th Nov 20253312 PMAQI
5th Nov 2025361 PMAQI
5th Nov 2025402 PMAQI
5th Nov 2025443 PMAQI
5th Nov 2025414 PMAQI
5th Nov 2025435 PMAQI
5th Nov 2025436 PMAQI
5th Nov 2025457 PMAQI
5th Nov 2025578 PMAQI
5th Nov 2025559 PMAQI
5th Nov 20254710 PMAQI
5th Nov 20254611 PMAQI
6th Nov 20254512 AMAQI
6th Nov 2025121 AMAQI
6th Nov 2025112 AMAQI
6th Nov 2025113 AMAQI
6th Nov 2025254 AMAQI
6th Nov 2025225 AMAQI
12°C7/16°C
6th Nov 2025226 AMAQI
6th Nov 2025397 AMAQI
6th Nov 2025308 AMAQI
6th Nov 2025309 AMAQI
6th Nov 20251510 AMAQI
6th Nov 20251111 AMAQI
6th Nov 20251112 PMAQI
6th Nov 2025291 PMAQI
6th Nov 2025152 PMAQI
6th Nov 2025223 PMAQI
6th Nov 2025264 PMAQI
6th Nov 2025285 PMAQI
6th Nov 2025276 PMAQI
6th Nov 2025377 PMAQI
6th Nov 2025398 PMAQI
6th Nov 2025399 PMAQI
6th Nov 20253310 PMAQI
6th Nov 20251811 PMAQI
7th Nov 20252612 AMAQI
7th Nov 2025281 AMAQI
7th Nov 2025232 AMAQI
7th Nov 2025223 AMAQI
7th Nov 2025224 AMAQI
7th Nov 2025185 AMAQI
13°C11/17°C
7th Nov 2025226 AMAQI
7th Nov 2025227 AMAQI
7th Nov 2025228 AMAQI
7th Nov 2025229 AMAQI
7th Nov 20252210 AMAQI
7th Nov 20252911 AMAQI
7th Nov 20253212 PMAQI
7th Nov 2025321 PMAQI
7th Nov 2025332 PMAQI
7th Nov 2025303 PMAQI
7th Nov 2025184 PMAQI
7th Nov 2025335 PMAQI
7th Nov 2025396 PMAQI
7th Nov 2025397 PMAQI
7th Nov 2025508 PMAQI
7th Nov 2025519 PMAQI
7th Nov 20255110 PMAQI
7th Nov 20254511 PMAQI
8th Nov 20254012 AMAQI
8th Nov 2025341 AMAQI
8th Nov 2025332 AMAQI
8th Nov 2025333 AMAQI
8th Nov 2025334 AMAQI
8th Nov 2025385 AMAQI
14°C10/20°C
8th Nov 2025426 AMAQI
8th Nov 2025447 AMAQI
8th Nov 2025448 AMAQI
8th Nov 2025449 AMAQI
8th Nov 20253510 AMAQI
8th Nov 20253311 AMAQI
8th Nov 20253312 PMAQI
8th Nov 2025331 PMAQI
8th Nov 2025332 PMAQI
8th Nov 2025173 PMAQI
8th Nov 2025174 PMAQI
8th Nov 2025175 PMAQI
8th Nov 2025516 PMAQI
8th Nov 2025567 PMAQI
8th Nov 2025568 PMAQI
8th Nov 2025569 PMAQI
8th Nov 20255810 PMAQI
8th Nov 20255611 PMAQI
9th Nov 20254612 AMAQI
9th Nov 2025441 AMAQI
9th Nov 2025442 AMAQI
9th Nov 2025443 AMAQI
9th Nov 2025444 AMAQI
9th Nov 2025405 AMAQI
12°C8/16°C
9th Nov 2025396 AMAQI
9th Nov 2025397 AMAQI
9th Nov 2025488 AMAQI
9th Nov 2025489 AMAQI
9th Nov 20254910 AMAQI
9th Nov 20255411 AMAQI
9th Nov 20255412 PMAQI
9th Nov 2025551 PMAQI
9th Nov 2025402 PMAQI
9th Nov 2025383 PMAQI
9th Nov 2025404 PMAQI
9th Nov 2025495 PMAQI
9th Nov 2025356 PMAQI
9th Nov 2025347 PMAQI
9th Nov 2025398 PMAQI
9th Nov 2025399 PMAQI
9th Nov 20253910 PMAQI
9th Nov 20255511 PMAQI
10th Nov 20255512 AMAQI
10th Nov 2025581 AMAQI
10th Nov 2025592 AMAQI
10th Nov 2025553 AMAQI
10th Nov 2025174 AMAQI
10th Nov 2025175 AMAQI
13°C11/17°C
10th Nov 2025196 AMAQI
10th Nov 2025227 AMAQI
10th Nov 2025208 AMAQI
10th Nov 2025269 AMAQI
10th Nov 20251110 AMAQI
10th Nov 20251111 AMAQI
10th Nov 20251112 PMAQI
10th Nov 2025131 PMAQI
10th Nov 2025282 PMAQI
10th Nov 2025243 PMAQI
10th Nov 2025234 PMAQI
10th Nov 2025285 PMAQI
10th Nov 2025286 PMAQI
10th Nov 2025277 PMAQI
10th Nov 2025208 PMAQI
10th Nov 2025229 PMAQI
10th Nov 20251710 PMAQI
10th Nov 20251711 PMAQI
11th Nov 20251712 AMAQI
11th Nov 2025231 AMAQI
11th Nov 2025222 AMAQI
11th Nov 2025223 AMAQI
11th Nov 2025224 AMAQI
11th Nov 2025225 AMAQI
14°C9/20°C
11th Nov 2025186 AMAQI
11th Nov 2025177 AMAQI
11th Nov 2025178 AMAQI
11th Nov 2025239 AMAQI
11th Nov 20252210 AMAQI
11th Nov 20252211 AMAQI
11th Nov 20252012 PMAQI
11th Nov 2025161 PMAQI
11th Nov 2025112 PMAQI
11th Nov 2025113 PMAQI
11th Nov 2025144 PMAQI
11th Nov 2025285 PMAQI
11th Nov 2025286 PMAQI
11th Nov 2025167 PMAQI
11th Nov 2025308 PMAQI
11th Nov 2025289 PMAQI
11th Nov 20252810 PMAQI
11th Nov 20251211 PMAQI
12th Nov 20251912 AMAQI
12th Nov 2025271 AMAQI
12th Nov 2025282 AMAQI
12th Nov 2025273 AMAQI
12th Nov 2025234 AMAQI
12th Nov 2025255 AMAQI
10°C7/15°C
12th Nov 2025276 AMAQI
12th Nov 2025287 AMAQI
12th Nov 2025328 AMAQI
12th Nov 2025569 AMAQI
12th Nov 20253110 AMAQI
12th Nov 20252811 AMAQI
12th Nov 20252812 PMAQI
12th Nov 2025281 PMAQI
12th Nov 2025372 PMAQI
12th Nov 2025433 PMAQI
12th Nov 2025444 PMAQI
12th Nov 2025465 PMAQI
12th Nov 2025406 PMAQI
12th Nov 2025397 PMAQI
12th Nov 2025498 PMAQI
12th Nov 2025549 PMAQI
12th Nov 20255310 PMAQI
12th Nov 20255311 PMAQI
13th Nov 20255112 AMAQI
13th Nov 2025531 AMAQI
13th Nov 2025552 AMAQI
13th Nov 2025523 AMAQI
13th Nov 2025504 AMAQI
13th Nov 2025485 AMAQI
9°C5/14°C
13th Nov 2025446 AMAQI
13th Nov 2025437 AMAQI
13th Nov 2025548 AMAQI
13th Nov 2025519 AMAQI
13th Nov 20254610 AMAQI
13th Nov 20255111 AMAQI
13th Nov 20254812 PMAQI
13th Nov 2025481 PMAQI
13th Nov 2025522 PMAQI
13th Nov 2025463 PMAQI
13th Nov 2025554 PMAQI
13th Nov 2025555 PMAQI
13th Nov 2025556 PMAQI
13th Nov 2025517 PMAQI
13th Nov 2025528 PMAQI
13th Nov 2025509 PMAQI
13th Nov 20255310 PMAQI
13th Nov 20255511 PMAQI
14th Nov 20255412 AMAQI
14th Nov 2025471 AMAQI
14th Nov 2025452 AMAQI
14th Nov 2025443 AMAQI
14th Nov 2025394 AMAQI
14th Nov 2025235 AMAQI
12°C8/16°C
14th Nov 2025226 AMAQI
14th Nov 2025257 AMAQI
14th Nov 2025308 AMAQI
14th Nov 2025359 AMAQI
14th Nov 20253310 AMAQI
14th Nov 20253311 AMAQI
14th Nov 20253212 PMAQI
14th Nov 2025301 PMAQI
14th Nov 2025282 PMAQI
14th Nov 2025313 PMAQI
14th Nov 2025324 PMAQI
14th Nov 2025335 PMAQI
14th Nov 2025346 PMAQI
14th Nov 2025347 PMAQI
14th Nov 2025418 PMAQI
14th Nov 2025449 PMAQI
14th Nov 20254410 PMAQI
14th Nov 20254411 PMAQI
15th Nov 20253312 AMAQI
15th Nov 2025511 AMAQI
15th Nov 2025532 AMAQI
15th Nov 2025533 AMAQI
15th Nov 2025484 AMAQI
15th Nov 2025445 AMAQI
13°C9/18°C
15th Nov 2025426 AMAQI
15th Nov 2025317 AMAQI
15th Nov 2025338 AMAQI
15th Nov 2025339 AMAQI
15th Nov 20254410 AMAQI
15th Nov 20254411 AMAQI
15th Nov 20254512 PMAQI
15th Nov 2025251 PMAQI
15th Nov 2025342 PMAQI
15th Nov 2025363 PMAQI
15th Nov 2025304 PMAQI
15th Nov 2025295 PMAQI
15th Nov 2025286 PMAQI
15th Nov 2025247 PMAQI
15th Nov 2025298 PMAQI
15th Nov 2025529 PMAQI
15th Nov 20254310 PMAQI
15th Nov 20254111 PMAQI
16th Nov 20254012 AMAQI
16th Nov 2025391 AMAQI
16th Nov 2025392 AMAQI
16th Nov 2025403 AMAQI
16th Nov 2025444 AMAQI
16th Nov 2025435 AMAQI
12°C9/17°C
16th Nov 2025426 AMAQI
16th Nov 2025437 AMAQI
16th Nov 2025408 AMAQI
16th Nov 2025339 AMAQI
16th Nov 20252810 AMAQI
16th Nov 20253211 AMAQI
16th Nov 20253212 PMAQI
16th Nov 2025371 PMAQI
16th Nov 2025302 PMAQI
16th Nov 2025503 PMAQI
16th Nov 2025524 PMAQI
16th Nov 2025525 PMAQI
16th Nov 2025556 PMAQI
16th Nov 2025337 PMAQI
16th Nov 2025508 PMAQI
16th Nov 2025549 PMAQI
16th Nov 20255210 PMAQI
16th Nov 20255211 PMAQI
17th Nov 20255212 AMAQI
17th Nov 2025501 AMAQI
17th Nov 2025512 AMAQI
17th Nov 2025523 AMAQI
17th Nov 2025514 AMAQI
17th Nov 2025505 AMAQI
12°C10/16°C
17th Nov 2025236 AMAQI
17th Nov 2025317 AMAQI
17th Nov 2025508 AMAQI
17th Nov 2025519 AMAQI
17th Nov 20255110 AMAQI
17th Nov 20255011 AMAQI
17th Nov 20255112 PMAQI
17th Nov 2025211 PMAQI
17th Nov 2025442 PMAQI
17th Nov 2025523 PMAQI
17th Nov 2025554 PMAQI
17th Nov 2025555 PMAQI
17th Nov 2025546 PMAQI
17th Nov 2025287 PMAQI
17th Nov 2025468 PMAQI
17th Nov 2025529 PMAQI
17th Nov 20254910 PMAQI
17th Nov 20254611 PMAQI
18th Nov 20253212 AMAQI
18th Nov 2025331 AMAQI
18th Nov 2025282 AMAQI
18th Nov 2025233 AMAQI
18th Nov 2025204 AMAQI
18th Nov 2025225 AMAQI
14°C9/19°C
18th Nov 2025246 AMAQI
18th Nov 2025237 AMAQI
18th Nov 2025118 AMAQI
18th Nov 2025199 AMAQI
18th Nov 20251510 AMAQI
18th Nov 20251311 AMAQI
18th Nov 20251312 PMAQI
18th Nov 2025171 PMAQI
18th Nov 2025172 PMAQI
18th Nov 2025173 PMAQI
18th Nov 2025204 PMAQI
18th Nov 2025235 PMAQI
18th Nov 2025226 PMAQI
18th Nov 2025207 PMAQI
18th Nov 2025158 PMAQI
18th Nov 2025119 PMAQI
18th Nov 20251110 PMAQI
18th Nov 20251211 PMAQI
19th Nov 20252012 AMAQI
19th Nov 2025181 AMAQI
19th Nov 2025112 AMAQI
19th Nov 2025113 AMAQI
19th Nov 2025224 AMAQI
19th Nov 2025255 AMAQI
10°C8/13°C
19th Nov 2025266 AMAQI
19th Nov 2025257 AMAQI
19th Nov 2025288 AMAQI
19th Nov 2025179 AMAQI
19th Nov 20251610 AMAQI
19th Nov 20251711 AMAQI
19th Nov 20252212 PMAQI
19th Nov 2025231 PMAQI
19th Nov 2025132 PMAQI
19th Nov 2025153 PMAQI
19th Nov 2025224 PMAQI
19th Nov 2025225 PMAQI
19th Nov 2025236 PMAQI
19th Nov 2025167 PMAQI
19th Nov 2025288 PMAQI
19th Nov 2025339 PMAQI
19th Nov 20253310 PMAQI
19th Nov 20253611 PMAQI
20th Nov 20252312 AMAQI
20th Nov 2025371 AMAQI
20th Nov 2025372 AMAQI
20th Nov 2025333 AMAQI
20th Nov 2025304 AMAQI
20th Nov 2025335 AMAQI
7°C4/12°C
20th Nov 2025336 AMAQI
20th Nov 2025407 AMAQI
20th Nov 2025168 AMAQI
20th Nov 2025469 AMAQI
20th Nov 20252810 AMAQI
20th Nov 20253211 AMAQI
20th Nov 20253312 PMAQI
20th Nov 2025341 PMAQI
20th Nov 2025352 PMAQI
20th Nov 2025343 PMAQI
20th Nov 2025394 PMAQI
20th Nov 2025415 PMAQI
20th Nov 2025446 PMAQI
20th Nov 2025427 PMAQI
20th Nov 2025438 PMAQI
20th Nov 2025539 PMAQI
20th Nov 20255210 PMAQI
20th Nov 20255311 PMAQI
21st Nov 20255112 AMAQI
21st Nov 2025541 AMAQI
21st Nov 2025532 AMAQI
21st Nov 2025543 AMAQI
21st Nov 2025434 AMAQI
21st Nov 2025475 AMAQI
8°C5/13°C
21st Nov 2025486 AMAQI
21st Nov 2025547 AMAQI
21st Nov 2025248 AMAQI
21st Nov 2025429 AMAQI
21st Nov 20255310 AMAQI
21st Nov 20255211 AMAQI
21st Nov 20255312 PMAQI
21st Nov 2025291 PMAQI
21st Nov 2025112 PMAQI
21st Nov 2025113 PMAQI
21st Nov 2025114 PMAQI
21st Nov 2025445 PMAQI
21st Nov 2025456 PMAQI
21st Nov 2025457 PMAQI
21st Nov 2025488 PMAQI
21st Nov 2025509 PMAQI
21st Nov 20255110 PMAQI
21st Nov 20255111 PMAQI
22nd Nov 20255012 AMAQI
22nd Nov 2025281 AMAQI
22nd Nov 2025282 AMAQI
22nd Nov 2025283 AMAQI
22nd Nov 2025444 AMAQI
--°C/°C
6 AM
11 AM
4 PM
11 PM
5 AM
--°C/°C
Day time
Avg. Highest Time
9 AM
34AQI
1 hours / Day
30 hours / Month
Avg. Lowest Time
1 PM - 2 PM
28AQI
2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 9 AM to 9 AM (Avg. 34), while the lowest AQI was between 1 PM to 2 PM (Avg. 28).
Night time
Avg. Highest Time
9 PM
42AQI
1 hours / Day
30 hours / Month
Avg. Lowest Time
5 AM
31AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 9 PM to 9 PM (Avg. 42), while the lowest AQI was between 5 AM to 5 AM (Avg. 31).
2025 Days Vs Air Quality
Shiroishi, Chichibu, Saitama, Japan
2025
88%
285
12%
40
Total number of days with different AQI categories in last 325 days in 2025 (40 days remaining)
Good
285 DaysModerate
40 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 88%
Health Risk Level:
Low
In 2025, 88% of 325 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
Shiroishi, Chichibu, Saitama, 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
30AQI
30AQI
2nd January 2025
29AQI
29AQI
3rd January 2025
25AQI
25AQI
4th January 2025
28AQI
28AQI
5th January 2025
27AQI
27AQI
6th January 2025
41AQI
41AQI
7th January 2025
27AQI
27AQI
8th January 2025
34AQI
34AQI
9th January 2025
27AQI
27AQI
10th January 2025
27AQI
27AQI
11th January 2025
27AQI
27AQI
12th January 2025
31AQI
31AQI
13th January 2025
29AQI
29AQI
14th January 2025
29AQI
29AQI
15th January 2025
29AQI
29AQI
16th January 2025
27AQI
27AQI
17th January 2025
29AQI
29AQI
18th January 2025
29AQI
29AQI
19th January 2025
35AQI
35AQI
20th January 2025
32AQI
32AQI
21st January 2025
37AQI
37AQI
22nd January 2025
34AQI
34AQI
23rd January 2025
40AQI
40AQI
24th January 2025
45AQI
45AQI
25th January 2025
35AQI
35AQI
26th January 2025
37AQI
37AQI
27th January 2025
29AQI
29AQI
28th January 2025
34AQI
34AQI
29th January 2025
30AQI
30AQI
30th January 2025
33AQI
33AQI
31st January 2025
32AQI
32AQI
1st February 2025
39AQI
39AQI
2nd February 2025
43AQI
43AQI
3rd February 2025
38AQI
38AQI
4th February 2025
36AQI
36AQI
5th February 2025
35AQI
35AQI
6th February 2025
31AQI
31AQI
7th February 2025
32AQI
32AQI
8th February 2025
31AQI
31AQI
9th February 2025
31AQI
31AQI
10th February 2025
31AQI
31AQI
11th February 2025
32AQI
32AQI
12th February 2025
36AQI
36AQI
13th February 2025
33AQI
33AQI
14th February 2025
33AQI
33AQI
15th February 2025
31AQI
31AQI
16th February 2025
37AQI
37AQI
17th February 2025
37AQI
37AQI
18th February 2025
32AQI
32AQI
19th February 2025
32AQI
32AQI
20th February 2025
32AQI
32AQI
21st February 2025
32AQI
32AQI
22nd February 2025
32AQI
32AQI
23rd February 2025
33AQI
33AQI
24th February 2025
33AQI
33AQI
25th February 2025
35AQI
35AQI
26th February 2025
37AQI
37AQI
27th February 2025
42AQI
42AQI
28th February 2025
48AQI
48AQI
1st March 2025
49AQI
49AQI
2nd March 2025
53AQI
53AQI
3rd March 2025
41AQI
41AQI
4th March 2025
37AQI
37AQI
5th March 2025
29AQI
29AQI
6th March 2025
32AQI
32AQI
7th March 2025
33AQI
33AQI
8th March 2025
35AQI
35AQI
9th March 2025
34AQI
34AQI
10th March 2025
37AQI
37AQI
11th March 2025
44AQI
44AQI
12th March 2025
48AQI
48AQI
13th March 2025
48AQI
48AQI
14th March 2025
43AQI
43AQI
15th March 2025
36AQI
36AQI
16th March 2025
24AQI
24AQI
17th March 2025
22AQI
22AQI
18th March 2025
24AQI
24AQI
19th March 2025
19AQI
19AQI
20th March 2025
23AQI
23AQI
21st March 2025
31AQI
31AQI
22nd March 2025
43AQI
43AQI
23rd March 2025
52AQI
52AQI
24th March 2025
57AQI
57AQI
25th March 2025
68AQI
68AQI
26th March 2025
77AQI
77AQI
27th March 2025
71AQI
71AQI
28th March 2025
56AQI
56AQI
29th March 2025
35AQI
35AQI
30th March 2025
36AQI
36AQI
31st March 2025
32AQI
32AQI
1st April 2025
26AQI
26AQI
2nd April 2025
21AQI
21AQI
3rd April 2025
20AQI
20AQI
4th April 2025
23AQI
23AQI
5th April 2025
30AQI
30AQI
6th April 2025
26AQI
26AQI
7th April 2025
28AQI
28AQI
8th April 2025
36AQI
36AQI
9th April 2025
31AQI
31AQI
10th April 2025
45AQI
45AQI
11th April 2025
38AQI
38AQI
12th April 2025
42AQI
42AQI
13th April 2025
24AQI
24AQI
14th April 2025
29AQI
29AQI
15th April 2025
24AQI
24AQI
16th April 2025
28AQI
28AQI
17th April 2025
42AQI
42AQI
18th April 2025
54AQI
54AQI
19th April 2025
63AQI
63AQI
20th April 2025
65AQI
65AQI
21st April 2025
43AQI
43AQI
22nd April 2025
54AQI
54AQI
23rd April 2025
30AQI
30AQI
24th April 2025
36AQI
36AQI
25th April 2025
33AQI
33AQI
26th April 2025
43AQI
43AQI
27th April 2025
44AQI
44AQI
28th April 2025
52AQI
52AQI
29th April 2025
35AQI
35AQI
30th April 2025
45AQI
45AQI
1st May 2025
43AQI
43AQI
2nd May 2025
28AQI
28AQI
3rd May 2025
31AQI
31AQI
4th May 2025
36AQI
36AQI
5th May 2025
34AQI
34AQI
6th May 2025
29AQI
29AQI
7th May 2025
26AQI
26AQI
8th May 2025
34AQI
34AQI
9th May 2025
30AQI
30AQI
10th May 2025
22AQI
22AQI
11th May 2025
25AQI
25AQI
12th May 2025
23AQI
23AQI
13th May 2025
33AQI
33AQI
14th May 2025
41AQI
41AQI
15th May 2025
42AQI
42AQI
16th May 2025
47AQI
47AQI
17th May 2025
31AQI
31AQI
18th May 2025
45AQI
45AQI
19th May 2025
32AQI
32AQI
20th May 2025
56AQI
56AQI
21st May 2025
64AQI
64AQI
22nd May 2025
59AQI
59AQI
23rd May 2025
47AQI
47AQI
24th May 2025
43AQI
43AQI
25th May 2025
29AQI
29AQI
26th May 2025
30AQI
30AQI
27th May 2025
29AQI
29AQI
28th May 2025
27AQI
27AQI
29th May 2025
35AQI
35AQI
30th May 2025
23AQI
23AQI
31st May 2025
20AQI
20AQI
1st June 2025
20AQI
20AQI
2nd June 2025
31AQI
31AQI
3rd June 2025
23AQI
23AQI
4th June 2025
28AQI
28AQI
5th June 2025
35AQI
35AQI
6th June 2025
45AQI
45AQI
7th June 2025
51AQI
51AQI
8th June 2025
57AQI
57AQI
9th June 2025
53AQI
53AQI
10th June 2025
33AQI
33AQI
11th June 2025
30AQI
30AQI
12th June 2025
37AQI
37AQI
13th June 2025
47AQI
47AQI
14th June 2025
33AQI
33AQI
15th June 2025
31AQI
31AQI
16th June 2025
40AQI
40AQI
17th June 2025
49AQI
49AQI
18th June 2025
44AQI
44AQI
19th June 2025
50AQI
50AQI
20th June 2025
51AQI
51AQI
21st June 2025
45AQI
45AQI
22nd June 2025
36AQI
36AQI
23rd June 2025
39AQI
39AQI
24th June 2025
30AQI
30AQI
25th June 2025
26AQI
26AQI
26th June 2025
27AQI
27AQI
27th June 2025
33AQI
33AQI
28th June 2025
35AQI
35AQI
29th June 2025
45AQI
45AQI
30th June 2025
51AQI
51AQI
1st July 2025
54AQI
54AQI
2nd July 2025
49AQI
49AQI
3rd July 2025
54AQI
54AQI
4th July 2025
52AQI
52AQI
5th July 2025
54AQI
54AQI
6th July 2025
56AQI
56AQI
7th July 2025
71AQI
71AQI
8th July 2025
74AQI
74AQI
9th July 2025
77AQI
77AQI
10th July 2025
62AQI
62AQI
11th July 2025
44AQI
44AQI
12th July 2025
47AQI
47AQI
13th July 2025
49AQI
49AQI
14th July 2025
38AQI
38AQI
15th July 2025
33AQI
33AQI
16th July 2025
39AQI
39AQI
17th July 2025
35AQI
35AQI
18th July 2025
36AQI
36AQI
19th July 2025
34AQI
34AQI
20th July 2025
37AQI
37AQI
21st July 2025
44AQI
44AQI
22nd July 2025
46AQI
46AQI
23rd July 2025
49AQI
49AQI
24th July 2025
51AQI
51AQI
25th July 2025
50AQI
50AQI
26th July 2025
48AQI
48AQI
27th July 2025
46AQI
46AQI
28th July 2025
49AQI
49AQI
29th July 2025
47AQI
47AQI
30th July 2025
40AQI
40AQI
31st July 2025
41AQI
41AQI
1st August 2025
38AQI
38AQI
2nd August 2025
41AQI
41AQI
3rd August 2025
46AQI
46AQI
4th August 2025
57AQI
57AQI
5th August 2025
52AQI
52AQI
6th August 2025
48AQI
48AQI
7th August 2025
37AQI
37AQI
8th August 2025
37AQI
37AQI
9th August 2025
40AQI
40AQI
10th August 2025
33AQI
33AQI
11th August 2025
32AQI
32AQI
12th August 2025
35AQI
35AQI
13th August 2025
36AQI
36AQI
14th August 2025
42AQI
42AQI
15th August 2025
46AQI
46AQI
16th August 2025
45AQI
45AQI
17th August 2025
43AQI
43AQI
18th August 2025
44AQI
44AQI
19th August 2025
45AQI
45AQI
20th August 2025
49AQI
49AQI
21st August 2025
46AQI
46AQI
22nd August 2025
47AQI
47AQI
23rd August 2025
49AQI
49AQI
24th August 2025
54AQI
54AQI
25th August 2025
55AQI
55AQI
26th August 2025
56AQI
56AQI
27th August 2025
51AQI
51AQI
28th August 2025
48AQI
48AQI
29th August 2025
50AQI
50AQI
30th August 2025
52AQI
52AQI
31st August 2025
52AQI
52AQI
1st September 2025
43AQI
43AQI
2nd September 2025
38AQI
38AQI
3rd September 2025
36AQI
36AQI
4th September 2025
28AQI
28AQI
5th September 2025
26AQI
26AQI
6th September 2025
29AQI
29AQI
7th September 2025
32AQI
32AQI
8th September 2025
36AQI
36AQI
9th September 2025
40AQI
40AQI
10th September 2025
41AQI
41AQI
11th September 2025
32AQI
32AQI
12th September 2025
31AQI
31AQI
13th September 2025
37AQI
37AQI
14th September 2025
41AQI
41AQI
15th September 2025
38AQI
38AQI
16th September 2025
44AQI
44AQI
17th September 2025
47AQI
47AQI
18th September 2025
39AQI
39AQI
19th September 2025
31AQI
31AQI
20th September 2025
29AQI
29AQI
21st September 2025
24AQI
24AQI
22nd September 2025
26AQI
26AQI
23rd September 2025
27AQI
27AQI
24th September 2025
29AQI
29AQI
25th September 2025
37AQI
37AQI
26th September 2025
35AQI
35AQI
27th September 2025
30AQI
30AQI
28th September 2025
29AQI
29AQI
29th September 2025
25AQI
25AQI
30th September 2025
19AQI
19AQI
1st October 2025
17AQI
17AQI
2nd October 2025
35AQI
35AQI
3rd October 2025
41AQI
41AQI
4th October 2025
49AQI
49AQI
5th October 2025
40AQI
40AQI
6th October 2025
42AQI
42AQI
7th October 2025
30AQI
30AQI
8th October 2025
48AQI
48AQI
9th October 2025
44AQI
44AQI
10th October 2025
47AQI
47AQI
11th October 2025
45AQI
45AQI
12th October 2025
40AQI
40AQI
13th October 2025
44AQI
44AQI
14th October 2025
42AQI
42AQI
15th October 2025
46AQI
46AQI
16th October 2025
48AQI
48AQI
17th October 2025
50AQI
50AQI
18th October 2025
43AQI
43AQI
19th October 2025
39AQI
39AQI
20th October 2025
42AQI
42AQI
21st October 2025
36AQI
36AQI
22nd October 2025
31AQI
31AQI
23rd October 2025
30AQI
30AQI
24th October 2025
34AQI
34AQI
25th October 2025
31AQI
31AQI
26th October 2025
20AQI
20AQI
27th October 2025
25AQI
25AQI
28th October 2025
32AQI
32AQI
29th October 2025
31AQI
31AQI
30th October 2025
50AQI
50AQI
31st October 2025
57AQI
57AQI
1st November 2025
20AQI
20AQI
2nd November 2025
26AQI
26AQI
3rd November 2025
27AQI
27AQI
4th November 2025
20AQI
20AQI
5th November 2025
37AQI
37AQI
6th November 2025
25AQI
25AQI
7th November 2025
31AQI
31AQI
8th November 2025
40AQI
40AQI
9th November 2025
44AQI
44AQI
10th November 2025
27AQI
27AQI
11th November 2025
21AQI
21AQI
12th November 2025
37AQI
37AQI
13th November 2025
51AQI
51AQI
14th November 2025
36AQI
36AQI
15th November 2025
39AQI
39AQI
16th November 2025
43AQI
43AQI
17th November 2025
46AQI
46AQI
18th November 2025
19AQI
19AQI
19th November 2025
22AQI
22AQI
20th November 2025
38AQI
38AQI
21st November 2025
46AQI
46AQI
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
32AQI
35AQI
41AQI
37AQI
35AQI
39AQI
49AQI
45AQI
33AQI
39AQI
33AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202538AQI
31
28
24
7
25
5
28
3
25
5
21
10
23
8
30
30
1
20
1
285
40
Highest AQI recorded in
July49AQI
Lowest AQI recorded in
January32AQI
202435AQI
31
29
28
3
21
9
27
4
22
8
21
10
27
4
27
3
31
30
31
325
41
Highest AQI recorded in
April44AQI
Lowest AQI recorded in
October27AQI
202336AQI
30
1
27
1
27
4
21
9
25
5
1
22
8
25
6
31
29
30
1
26
3
31
324
38
1
Highest AQI recorded in
April46AQI
Lowest AQI recorded in
August27AQI
202235AQI
30
1
21
26
5
24
6
24
7
23
7
21
3
3
29
31
30
31
293
29
Highest AQI recorded in
March42AQI
Lowest AQI recorded in
September26AQI
202131AQI
31
24
4
27
4
29
1
29
2
26
4
28
3
29
2
30
31
30
31
345
20
Highest AQI recorded in
June39AQI
Lowest AQI recorded in
January24AQI
202035AQI
11
2
15
6
18
20
10
28
3
6
25
19
28
3
26
4
31
202
53
Highest AQI recorded in
August64AQI
Lowest AQI recorded in
December24AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2025(Avg.)
38AQILeast Polluted Year Recorded
2021(Avg.)
31AQIShiroishi's annual 2025 AQI (38) shows an average percentage change of 11.4% (worsened AQI) compared to previous years: 2020 (35), 2021 (31), 2022 (35), 2023 (36), 2024 (35).
