Uruido, Ichihara, Chiba, 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
Uruido, Ichihara, Chiba, Japan
2022
2023
2024
2025
2026
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
4th Aug 2025
63AQILowest AQI recorded on
30th Aug 2024
8AQISame Day Analysis (5th August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 3rd highest AQI at 23 of Good air quality, showing improvement over 2025 and 2024 on the same day.
Day & Night AQI Trend: 4th Aug - 5th Aug 2026
Uruido, Ichihara, Chiba, Japan
AQI
Day
Night
.
4 AM4th Aug 2026
6 PM
3 AM5th Aug 2026
Day time
Avg. Highest Time
9AM4th Aug
27AQI
Avg. Lowest Time
5AM4th Aug
16AQI
Night time
Avg. Highest Time
12AM5th Aug
27AQI
Avg. Lowest Time
3AM5th Aug
23AQI
In the last 24 hours,
Uruido's AQI reached its highest point of 27 at 9 AM during the Day, while the lowest point, 16, was recorded at 5 AM during the Day between 4th Aug and 5th Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Uruido, Ichihara, Chiba, Japan
JulAug
07th - 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 - 04th04th - 05th05th
Day
Night
7th Jul 2026264 AMAQI
7th Jul 2026275 AMAQI
7th Jul 2026286 AMAQI
7th Jul 2026287 AMAQI
7th Jul 2026288 AMAQI
7th Jul 2026249 AMAQI
7th Jul 20262110 AMAQI
7th Jul 20262211 AMAQI
7th Jul 20262112 PMAQI
7th Jul 2026201 PMAQI
7th Jul 2026222 PMAQI
7th Jul 2026263 PMAQI
7th Jul 2026234 PMAQI
7th Jul 2026265 PMAQI
7th Jul 2026286 PMAQI
7th Jul 2026277 PMAQI
7th Jul 2026248 PMAQI
7th Jul 2026269 PMAQI
7th Jul 20262510 PMAQI
7th Jul 20262411 PMAQI
8th Jul 20262812 AMAQI
8th Jul 2026261 AMAQI
8th Jul 2026272 AMAQI
8th Jul 2026263 AMAQI
23°C20/27°C
8th Jul 2026254 AMAQI
8th Jul 2026285 AMAQI
8th Jul 2026266 AMAQI
8th Jul 2026267 AMAQI
8th Jul 2026268 AMAQI
8th Jul 2026169 AMAQI
8th Jul 20261410 AMAQI
8th Jul 20262011 AMAQI
8th Jul 20262512 PMAQI
8th Jul 2026221 PMAQI
8th Jul 2026222 PMAQI
8th Jul 2026263 PMAQI
8th Jul 2026264 PMAQI
8th Jul 2026155 PMAQI
8th Jul 2026166 PMAQI
8th Jul 2026137 PMAQI
8th Jul 2026138 PMAQI
8th Jul 2026149 PMAQI
8th Jul 20262110 PMAQI
8th Jul 20262411 PMAQI
9th Jul 20261712 AMAQI
9th Jul 2026191 AMAQI
9th Jul 2026272 AMAQI
9th Jul 2026163 AMAQI
24°C20/28°C
9th Jul 2026224 AMAQI
9th Jul 2026165 AMAQI
9th Jul 2026246 AMAQI
9th Jul 2026157 AMAQI
9th Jul 2026268 AMAQI
9th Jul 2026229 AMAQI
9th Jul 20261410 AMAQI
9th Jul 20262211 AMAQI
9th Jul 20261212 PMAQI
9th Jul 2026191 PMAQI
9th Jul 2026212 PMAQI
9th Jul 2026243 PMAQI
9th Jul 2026224 PMAQI
9th Jul 2026225 PMAQI
9th Jul 2026226 PMAQI
9th Jul 2026237 PMAQI
9th Jul 2026168 PMAQI
9th Jul 2026159 PMAQI
9th Jul 20262410 PMAQI
9th Jul 20262411 PMAQI
10th Jul 20262512 AMAQI
10th Jul 2026281 AMAQI
10th Jul 2026242 AMAQI
10th Jul 2026163 AMAQI
24°C22/27°C
10th Jul 2026244 AMAQI
10th Jul 2026165 AMAQI
10th Jul 2026166 AMAQI
10th Jul 2026167 AMAQI
10th Jul 2026188 AMAQI
10th Jul 2026169 AMAQI
10th Jul 20262610 AMAQI
10th Jul 20261711 AMAQI
10th Jul 20262412 PMAQI
10th Jul 2026221 PMAQI
10th Jul 2026222 PMAQI
10th Jul 2026223 PMAQI
10th Jul 2026224 PMAQI
10th Jul 2026285 PMAQI
10th Jul 2026216 PMAQI
10th Jul 2026287 PMAQI
10th Jul 2026298 PMAQI
10th Jul 2026309 PMAQI
10th Jul 20261710 PMAQI
10th Jul 20261811 PMAQI
11th Jul 20262912 AMAQI
11th Jul 2026321 AMAQI
11th Jul 2026272 AMAQI
11th Jul 2026283 AMAQI
25°C22/28°C
11th Jul 202684 AMAQI
11th Jul 202685 AMAQI
11th Jul 2026106 AMAQI
11th Jul 2026187 AMAQI
11th Jul 2026268 AMAQI
11th Jul 2026319 AMAQI
11th Jul 20263210 AMAQI
11th Jul 20262711 AMAQI
11th Jul 20262512 PMAQI
11th Jul 2026221 PMAQI
11th Jul 2026242 PMAQI
11th Jul 2026203 PMAQI
11th Jul 2026244 PMAQI
11th Jul 2026285 PMAQI
11th Jul 2026286 PMAQI
11th Jul 2026267 PMAQI
11th Jul 2026188 PMAQI
11th Jul 2026109 PMAQI
11th Jul 20262610 PMAQI
11th Jul 20261811 PMAQI
12th Jul 20261712 AMAQI
12th Jul 2026191 AMAQI
12th Jul 2026192 AMAQI
12th Jul 2026183 AMAQI
26°C23/29°C
12th Jul 2026184 AMAQI
12th Jul 2026195 AMAQI
12th Jul 2026186 AMAQI
12th Jul 2026207 AMAQI
12th Jul 2026208 AMAQI
12th Jul 2026329 AMAQI
12th Jul 20263110 AMAQI
12th Jul 20262411 AMAQI
12th Jul 20262612 PMAQI
12th Jul 2026251 PMAQI
12th Jul 2026262 PMAQI
12th Jul 2026243 PMAQI
12th Jul 2026264 PMAQI
12th Jul 2026305 PMAQI
12th Jul 2026306 PMAQI
12th Jul 2026287 PMAQI
12th Jul 2026298 PMAQI
12th Jul 2026299 PMAQI
12th Jul 20263110 PMAQI
12th Jul 20263011 PMAQI
13th Jul 20263112 AMAQI
13th Jul 2026281 AMAQI
13th Jul 2026282 AMAQI
13th Jul 2026283 AMAQI
25°C23/27°C
13th Jul 2026284 AMAQI
13th Jul 2026285 AMAQI
13th Jul 2026296 AMAQI
13th Jul 2026287 AMAQI
13th Jul 2026288 AMAQI
13th Jul 2026309 AMAQI
13th Jul 20263010 AMAQI
13th Jul 20263011 AMAQI
13th Jul 20262812 PMAQI
13th Jul 2026261 PMAQI
13th Jul 2026702 PMAQI
13th Jul 2026763 PMAQI
13th Jul 2026664 PMAQI
13th Jul 2026585 PMAQI
13th Jul 2026516 PMAQI
13th Jul 2026527 PMAQI
13th Jul 2026608 PMAQI
13th Jul 2026349 PMAQI
13th Jul 20265310 PMAQI
13th Jul 20261911 PMAQI
14th Jul 20263412 AMAQI
14th Jul 2026531 AMAQI
14th Jul 2026522 AMAQI
14th Jul 2026523 AMAQI
25°C24/28°C
14th Jul 2026514 AMAQI
14th Jul 2026525 AMAQI
14th Jul 2026426 AMAQI
14th Jul 2026367 AMAQI
14th Jul 2026368 AMAQI
14th Jul 2026259 AMAQI
14th Jul 20263010 AMAQI
14th Jul 20262411 AMAQI
14th Jul 20262412 PMAQI
14th Jul 2026671 PMAQI
14th Jul 2026652 PMAQI
14th Jul 2026583 PMAQI
14th Jul 2026524 PMAQI
14th Jul 2026485 PMAQI
14th Jul 2026446 PMAQI
14th Jul 2026337 PMAQI
14th Jul 2026338 PMAQI
14th Jul 2026279 PMAQI
14th Jul 20262710 PMAQI
14th Jul 20262911 PMAQI
15th Jul 20262512 AMAQI
15th Jul 2026251 AMAQI
15th Jul 2026252 AMAQI
15th Jul 2026293 AMAQI
26°C23/29°C
15th Jul 2026274 AMAQI
15th Jul 2026275 AMAQI
15th Jul 2026316 AMAQI
15th Jul 2026317 AMAQI
15th Jul 2026348 AMAQI
15th Jul 2026339 AMAQI
15th Jul 20264010 AMAQI
15th Jul 20265811 AMAQI
15th Jul 20265312 PMAQI
15th Jul 2026561 PMAQI
15th Jul 2026572 PMAQI
15th Jul 2026473 PMAQI
15th Jul 2026444 PMAQI
15th Jul 2026505 PMAQI
15th Jul 2026516 PMAQI
15th Jul 2026527 PMAQI
15th Jul 2026428 PMAQI
15th Jul 2026409 PMAQI
15th Jul 20264410 PMAQI
15th Jul 20264411 PMAQI
16th Jul 20265112 AMAQI
16th Jul 2026401 AMAQI
16th Jul 2026422 AMAQI
16th Jul 2026503 AMAQI
27°C24/30°C
16th Jul 2026634 AMAQI
16th Jul 2026725 AMAQI
16th Jul 2026806 AMAQI
16th Jul 2026747 AMAQI
16th Jul 2026748 AMAQI
16th Jul 2026739 AMAQI
16th Jul 20267210 AMAQI
16th Jul 20268111 AMAQI
16th Jul 20268512 PMAQI
16th Jul 2026881 PMAQI
16th Jul 2026902 PMAQI
16th Jul 2026943 PMAQI
16th Jul 2026944 PMAQI
16th Jul 2026925 PMAQI
16th Jul 2026836 PMAQI
16th Jul 2026857 PMAQI
16th Jul 2026828 PMAQI
16th Jul 2026769 PMAQI
16th Jul 20267410 PMAQI
16th Jul 20267511 PMAQI
17th Jul 20267312 AMAQI
17th Jul 2026791 AMAQI
17th Jul 2026712 AMAQI
17th Jul 2026733 AMAQI
27°C25/30°C
17th Jul 2026724 AMAQI
17th Jul 2026725 AMAQI
17th Jul 2026746 AMAQI
17th Jul 2026727 AMAQI
17th Jul 2026708 AMAQI
17th Jul 2026749 AMAQI
17th Jul 20267310 AMAQI
17th Jul 20267811 AMAQI
17th Jul 20267612 PMAQI
17th Jul 2026661 PMAQI
17th Jul 2026732 PMAQI
17th Jul 2026783 PMAQI
17th Jul 2026944 PMAQI
17th Jul 2026525 PMAQI
17th Jul 2026506 PMAQI
17th Jul 2026447 PMAQI
17th Jul 2026428 PMAQI
17th Jul 2026409 PMAQI
17th Jul 20262710 PMAQI
17th Jul 20263311 PMAQI
18th Jul 20262512 AMAQI
18th Jul 2026231 AMAQI
18th Jul 2026172 AMAQI
18th Jul 2026213 AMAQI
27°C25/30°C
18th Jul 2026234 AMAQI
18th Jul 2026175 AMAQI
18th Jul 2026126 AMAQI
18th Jul 2026127 AMAQI
18th Jul 2026168 AMAQI
18th Jul 202699 AMAQI
18th Jul 20261210 AMAQI
18th Jul 2026811 AMAQI
18th Jul 2026812 PMAQI
18th Jul 202681 PMAQI
18th Jul 2026122 PMAQI
18th Jul 2026123 PMAQI
18th Jul 2026144 PMAQI
18th Jul 2026175 PMAQI
18th Jul 2026176 PMAQI
18th Jul 202687 PMAQI
18th Jul 202688 PMAQI
18th Jul 202689 PMAQI
18th Jul 20261010 PMAQI
18th Jul 20262111 PMAQI
19th Jul 20261412 AMAQI
19th Jul 202681 AMAQI
19th Jul 202682 AMAQI
19th Jul 202683 AMAQI
26°C24/28°C
19th Jul 2026124 AMAQI
19th Jul 2026125 AMAQI
19th Jul 2026126 AMAQI
19th Jul 2026127 AMAQI
19th Jul 202688 AMAQI
19th Jul 202699 AMAQI
19th Jul 2026810 AMAQI
19th Jul 2026811 AMAQI
19th Jul 20262012 PMAQI
19th Jul 2026231 PMAQI
19th Jul 2026192 PMAQI
19th Jul 2026213 PMAQI
19th Jul 2026304 PMAQI
19th Jul 2026285 PMAQI
19th Jul 2026276 PMAQI
19th Jul 2026277 PMAQI
19th Jul 2026258 PMAQI
19th Jul 2026239 PMAQI
19th Jul 20262510 PMAQI
19th Jul 20262711 PMAQI
20th Jul 20262112 AMAQI
20th Jul 2026211 AMAQI
20th Jul 2026232 AMAQI
20th Jul 2026253 AMAQI
26°C24/28°C
20th Jul 2026234 AMAQI
20th Jul 2026235 AMAQI
20th Jul 2026296 AMAQI
20th Jul 2026297 AMAQI
20th Jul 2026298 AMAQI
20th Jul 2026319 AMAQI
20th Jul 20263410 AMAQI
20th Jul 20264011 AMAQI
20th Jul 20263112 PMAQI
20th Jul 2026331 PMAQI
20th Jul 2026212 PMAQI
20th Jul 2026423 PMAQI
20th Jul 2026534 PMAQI
20th Jul 2026425 PMAQI
20th Jul 2026406 PMAQI
20th Jul 2026387 PMAQI
20th Jul 2026368 PMAQI
20th Jul 2026389 PMAQI
20th Jul 20263610 PMAQI
20th Jul 20263111 PMAQI
21st Jul 20263612 AMAQI
21st Jul 2026331 AMAQI
21st Jul 2026362 AMAQI
21st Jul 2026313 AMAQI
28°C25/31°C
21st Jul 2026364 AMAQI
21st Jul 2026385 AMAQI
21st Jul 2026366 AMAQI
21st Jul 2026317 AMAQI
21st Jul 2026368 AMAQI
21st Jul 2026339 AMAQI
21st Jul 20265210 AMAQI
21st Jul 20265511 AMAQI
21st Jul 2026641 PMAQI
21st Jul 2026572 PMAQI
21st Jul 2026763 PMAQI
21st Jul 2026644 PMAQI
21st Jul 2026535 PMAQI
21st Jul 2026466 PMAQI
21st Jul 2026787 PMAQI
21st Jul 2026448 PMAQI
21st Jul 2026519 PMAQI
21st Jul 20265110 PMAQI
21st Jul 20265611 PMAQI
22nd Jul 20265712 AMAQI
22nd Jul 2026561 AMAQI
22nd Jul 2026522 AMAQI
22nd Jul 2026533 AMAQI
28°C25/32°C
22nd Jul 2026534 AMAQI
22nd Jul 2026575 AMAQI
22nd Jul 2026566 AMAQI
22nd Jul 2026557 AMAQI
22nd Jul 2026658 AMAQI
22nd Jul 2026709 AMAQI
22nd Jul 20267010 AMAQI
22nd Jul 20268211 AMAQI
22nd Jul 20268512 PMAQI
22nd Jul 2026781 PMAQI
22nd Jul 2026742 PMAQI
22nd Jul 2026723 PMAQI
22nd Jul 2026714 PMAQI
22nd Jul 2026675 PMAQI
22nd Jul 2026656 PMAQI
22nd Jul 2026707 PMAQI
22nd Jul 2026728 PMAQI
22nd Jul 2026789 PMAQI
22nd Jul 20268310 PMAQI
22nd Jul 20268811 PMAQI
23rd Jul 20267412 AMAQI
23rd Jul 2026681 AMAQI
23rd Jul 2026622 AMAQI
23rd Jul 2026603 AMAQI
28°C26/31°C
23rd Jul 2026554 AMAQI
23rd Jul 2026585 AMAQI
23rd Jul 2026566 AMAQI
23rd Jul 2026667 AMAQI
23rd Jul 2026718 AMAQI
23rd Jul 2026769 AMAQI
23rd Jul 20268010 AMAQI
23rd Jul 20268511 AMAQI
23rd Jul 20268712 PMAQI
23rd Jul 2026871 PMAQI
23rd Jul 2026712 PMAQI
23rd Jul 2026543 PMAQI
23rd Jul 2026584 PMAQI
23rd Jul 2026685 PMAQI
23rd Jul 2026486 PMAQI
23rd Jul 2026317 PMAQI
23rd Jul 2026278 PMAQI
23rd Jul 2026209 PMAQI
23rd Jul 20262410 PMAQI
23rd Jul 20262711 PMAQI
24th Jul 20262112 AMAQI
24th Jul 2026231 AMAQI
24th Jul 2026332 AMAQI
24th Jul 2026253 AMAQI
29°C26/34°C
24th Jul 2026314 AMAQI
24th Jul 2026295 AMAQI
24th Jul 2026366 AMAQI
24th Jul 2026427 AMAQI
24th Jul 2026448 AMAQI
24th Jul 2026319 AMAQI
24th Jul 20262310 AMAQI
24th Jul 20263611 AMAQI
24th Jul 20263312 PMAQI
24th Jul 2026341 PMAQI
24th Jul 2026292 PMAQI
24th Jul 2026293 PMAQI
24th Jul 2026274 PMAQI
24th Jul 2026325 PMAQI
24th Jul 2026326 PMAQI
24th Jul 2026277 PMAQI
24th Jul 2026258 PMAQI
24th Jul 2026239 PMAQI
24th Jul 20262510 PMAQI
24th Jul 20263611 PMAQI
25th Jul 20263112 AMAQI
25th Jul 2026311 AMAQI
25th Jul 2026402 AMAQI
25th Jul 2026363 AMAQI
28°C25/30°C
25th Jul 2026364 AMAQI
25th Jul 2026365 AMAQI
25th Jul 2026406 AMAQI
25th Jul 2026507 AMAQI
25th Jul 2026448 AMAQI
25th Jul 2026509 AMAQI
25th Jul 20266010 AMAQI
25th Jul 20266211 AMAQI
25th Jul 20266912 PMAQI
25th Jul 2026561 PMAQI
25th Jul 2026552 PMAQI
25th Jul 2026513 PMAQI
25th Jul 2026504 PMAQI
25th Jul 2026475 PMAQI
25th Jul 2026366 PMAQI
25th Jul 2026237 PMAQI
25th Jul 2026238 PMAQI
25th Jul 2026219 PMAQI
25th Jul 20262310 PMAQI
25th Jul 20262711 PMAQI
26th Jul 20262912 AMAQI
26th Jul 2026211 AMAQI
26th Jul 2026382 AMAQI
26th Jul 2026313 AMAQI
27°C23/31°C
26th Jul 2026314 AMAQI
26th Jul 2026385 AMAQI
26th Jul 2026386 AMAQI
26th Jul 2026257 AMAQI
26th Jul 2026298 AMAQI
26th Jul 2026239 AMAQI
26th Jul 20262310 AMAQI
26th Jul 20262311 AMAQI
26th Jul 20262512 PMAQI
26th Jul 2026381 PMAQI
26th Jul 2026442 PMAQI
26th Jul 2026513 PMAQI
26th Jul 2026384 PMAQI
26th Jul 2026315 PMAQI
26th Jul 2026296 PMAQI
26th Jul 2026297 PMAQI
26th Jul 2026338 PMAQI
26th Jul 2026299 PMAQI
26th Jul 20263110 PMAQI
26th Jul 20262711 PMAQI
27th Jul 20262512 AMAQI
27th Jul 2026211 AMAQI
27th Jul 2026232 AMAQI
27th Jul 2026253 AMAQI
26°C24/29°C
27th Jul 2026254 AMAQI
27th Jul 2026215 AMAQI
27th Jul 2026256 AMAQI
27th Jul 2026127 AMAQI
27th Jul 2026108 AMAQI
27th Jul 202689 AMAQI
27th Jul 20261210 AMAQI
27th Jul 20264211 AMAQI
27th Jul 20263412 PMAQI
27th Jul 2026291 PMAQI
27th Jul 2026362 PMAQI
27th Jul 2026383 PMAQI
27th Jul 2026334 PMAQI
27th Jul 2026215 PMAQI
27th Jul 2026216 PMAQI
27th Jul 2026257 PMAQI
27th Jul 2026258 PMAQI
27th Jul 2026259 PMAQI
27th Jul 20262110 PMAQI
27th Jul 20262711 PMAQI
28th Jul 20263412 AMAQI
28th Jul 2026421 AMAQI
28th Jul 2026362 AMAQI
28th Jul 2026213 AMAQI
26°C23/29°C
28th Jul 2026234 AMAQI
28th Jul 2026295 AMAQI
28th Jul 2026296 AMAQI
28th Jul 2026257 AMAQI
28th Jul 2026328 AMAQI
28th Jul 2026309 AMAQI
28th Jul 20262710 AMAQI
28th Jul 20262911 AMAQI
28th Jul 20264912 PMAQI
28th Jul 2026501 PMAQI
28th Jul 2026522 PMAQI
28th Jul 2026293 PMAQI
28th Jul 2026464 PMAQI
28th Jul 2026445 PMAQI
28th Jul 2026406 PMAQI
28th Jul 2026317 PMAQI
28th Jul 2026278 PMAQI
28th Jul 2026239 PMAQI
28th Jul 20262510 PMAQI
28th Jul 20262111 PMAQI
29th Jul 20263312 AMAQI
29th Jul 2026361 AMAQI
29th Jul 2026332 AMAQI
29th Jul 2026293 AMAQI
26°C23/28°C
29th Jul 2026444 AMAQI
29th Jul 2026405 AMAQI
29th Jul 2026366 AMAQI
29th Jul 2026367 AMAQI
29th Jul 2026348 AMAQI
29th Jul 2026429 AMAQI
29th Jul 20263410 AMAQI
29th Jul 20262511 AMAQI
29th Jul 20262512 PMAQI
29th Jul 2026271 PMAQI
29th Jul 2026252 PMAQI
29th Jul 2026253 PMAQI
29th Jul 2026214 PMAQI
29th Jul 2026235 PMAQI
29th Jul 2026256 PMAQI
29th Jul 2026257 PMAQI
29th Jul 2026258 PMAQI
29th Jul 2026259 PMAQI
29th Jul 20262910 PMAQI
29th Jul 20264211 PMAQI
30th Jul 20264012 AMAQI
30th Jul 2026381 AMAQI
30th Jul 2026382 AMAQI
30th Jul 2026363 AMAQI
27°C24/31°C
30th Jul 2026364 AMAQI
30th Jul 2026405 AMAQI
30th Jul 2026346 AMAQI
30th Jul 2026277 AMAQI
30th Jul 2026278 AMAQI
30th Jul 2026239 AMAQI
30th Jul 20263610 AMAQI
30th Jul 20263311 AMAQI
30th Jul 20263612 PMAQI
30th Jul 2026421 PMAQI
30th Jul 2026472 PMAQI
30th Jul 2026583 PMAQI
30th Jul 2026604 PMAQI
30th Jul 2026585 PMAQI
30th Jul 2026566 PMAQI
30th Jul 2026537 PMAQI
30th Jul 2026518 PMAQI
30th Jul 2026649 PMAQI
30th Jul 20265410 PMAQI
30th Jul 20265711 PMAQI
31st Jul 20266012 AMAQI
31st Jul 2026541 AMAQI
31st Jul 2026442 AMAQI
31st Jul 2026403 AMAQI
29°C26/32°C
31st Jul 2026404 AMAQI
31st Jul 2026445 AMAQI
31st Jul 2026406 AMAQI
31st Jul 2026447 AMAQI
31st Jul 2026468 AMAQI
31st Jul 2026449 AMAQI
31st Jul 20264210 AMAQI
31st Jul 20265011 AMAQI
31st Jul 20266012 PMAQI
31st Jul 2026811 PMAQI
31st Jul 2026442 PMAQI
31st Jul 2026443 PMAQI
31st Jul 2026494 PMAQI
31st Jul 2026545 PMAQI
31st Jul 2026516 PMAQI
31st Jul 2026527 PMAQI
31st Jul 2026478 PMAQI
31st Jul 2026509 PMAQI
31st Jul 20265210 PMAQI
31st Jul 20265011 PMAQI
1st Aug 20264912 AMAQI
1st Aug 2026511 AMAQI
1st Aug 2026522 AMAQI
1st Aug 2026543 AMAQI
29°C26/32°C
1st Aug 2026564 AMAQI
1st Aug 2026555 AMAQI
1st Aug 2026556 AMAQI
1st Aug 2026577 AMAQI
1st Aug 2026578 AMAQI
1st Aug 2026629 AMAQI
1st Aug 20266710 AMAQI
1st Aug 20266411 AMAQI
1st Aug 20266212 PMAQI
1st Aug 2026671 PMAQI
1st Aug 2026662 PMAQI
1st Aug 2026683 PMAQI
1st Aug 2026644 PMAQI
1st Aug 2026665 PMAQI
1st Aug 2026746 PMAQI
1st Aug 2026837 PMAQI
1st Aug 2026798 PMAQI
1st Aug 2026709 PMAQI
1st Aug 20266210 PMAQI
1st Aug 20266311 PMAQI
2nd Aug 20266612 AMAQI
2nd Aug 2026621 AMAQI
2nd Aug 2026582 AMAQI
2nd Aug 2026693 AMAQI
29°C26/32°C
2nd Aug 2026654 AMAQI
2nd Aug 2026645 AMAQI
2nd Aug 2026676 AMAQI
2nd Aug 2026657 AMAQI
2nd Aug 2026958 AMAQI
2nd Aug 2026859 AMAQI
2nd Aug 20267910 AMAQI
2nd Aug 20268411 AMAQI
2nd Aug 20267212 PMAQI
2nd Aug 2026691 PMAQI
2nd Aug 2026362 PMAQI
2nd Aug 2026443 PMAQI
2nd Aug 2026454 PMAQI
2nd Aug 2026365 PMAQI
2nd Aug 2026256 PMAQI
2nd Aug 2026147 PMAQI
2nd Aug 2026218 PMAQI
2nd Aug 2026339 PMAQI
2nd Aug 20262610 PMAQI
2nd Aug 20261611 PMAQI
3rd Aug 20261612 AMAQI
3rd Aug 2026141 AMAQI
3rd Aug 2026212 AMAQI
3rd Aug 2026103 AMAQI
28°C24/32°C
3rd Aug 202684 AMAQI
3rd Aug 2026125 AMAQI
3rd Aug 2026106 AMAQI
3rd Aug 2026107 AMAQI
3rd Aug 2026168 AMAQI
3rd Aug 2026199 AMAQI
3rd Aug 20261710 AMAQI
3rd Aug 20261411 AMAQI
3rd Aug 20261412 PMAQI
3rd Aug 2026171 PMAQI
3rd Aug 2026292 PMAQI
3rd Aug 2026223 PMAQI
3rd Aug 2026234 PMAQI
3rd Aug 2026205 PMAQI
3rd Aug 2026246 PMAQI
3rd Aug 2026317 PMAQI
3rd Aug 2026298 PMAQI
3rd Aug 2026259 PMAQI
3rd Aug 20262310 PMAQI
3rd Aug 20261411 PMAQI
4th Aug 20261612 AMAQI
4th Aug 2026181 AMAQI
4th Aug 2026192 AMAQI
4th Aug 2026183 AMAQI
24°C23/27°C
4th Aug 2026164 AMAQI
4th Aug 2026165 AMAQI
4th Aug 2026216 AMAQI
4th Aug 2026177 AMAQI
4th Aug 2026198 AMAQI
4th Aug 2026279 AMAQI
4th Aug 20262110 AMAQI
4th Aug 20262111 AMAQI
4th Aug 20262512 PMAQI
4th Aug 2026251 PMAQI
4th Aug 2026252 PMAQI
4th Aug 2026253 PMAQI
4th Aug 2026234 PMAQI
4th Aug 2026235 PMAQI
4th Aug 2026256 PMAQI
4th Aug 2026257 PMAQI
4th Aug 2026258 PMAQI
4th Aug 2026259 PMAQI
4th Aug 20262510 PMAQI
4th Aug 20262511 PMAQI
5th Aug 20262712 AMAQI
5th Aug 2026231 AMAQI
5th Aug 2026232 AMAQI
5th Aug 2026233 AMAQI
24°C23/27°C
5th Aug 2026214 AMAQI
4 AM5th Aug 2026255 AMAQI
5th Aug 2026216 AMAQI
5th Aug 2026257 AMAQI
5th Aug 2026238 AMAQI
5th Aug 2026259 AMAQI
5th Aug 20262310 AMAQI
5th Aug 20262511 AMAQI
11 AM5th Aug 20262512 PMAQI
5th Aug 2026231 PMAQI
5th Aug 2026232 PMAQI
5th Aug 2026253 PMAQI
5th Aug 2026254 PMAQI
5th Aug 2026215 PMAQI
5th Aug 2026216 PMAQI
6 PM5th Aug 2026237 PMAQI
5th Aug 2026218 PMAQI
5th Aug 2026219 PMAQI
5th Aug 20262310 PMAQI
5th Aug 20262311 PMAQI
11 PM3 AM
25°C22/29°C
Day time
Avg. Highest Time
1 PM - 4 PM
43AQI
4 hours / Day
120 hours / Month
Avg. Lowest Time
4 AM
33AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 1 PM to 4 PM (Avg. 43), while the lowest AQI was between 4 AM to 4 AM (Avg. 33).
Night time
Avg. Highest Time
7 PM
37AQI
1 hours / Day
30 hours / Month
Avg. Lowest Time
3 AM
33AQI
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. 37), while the lowest AQI was between 3 AM to 3 AM (Avg. 33).
2026 Days Vs Air Quality
Uruido, Ichihara, Chiba, Japan
2026
82%
179
18%
38
Total number of days with different AQI categories in last 217 days in 2026 (148 days remaining)
Good
179 DaysModerate
38 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 82%
Health Risk Level:
Low
In 2026, 82% of 217 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
Uruido, Ichihara, Chiba, 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
22AQI (US)
22AQI (US)
3rd January 2026
18AQI (US)
18AQI (US)
4th January 2026
24AQI (US)
24AQI (US)
5th January 2026
39AQI (US)
39AQI (US)
6th January 2026
17AQI (US)
17AQI (US)
7th January 2026
26AQI (US)
26AQI (US)
8th January 2026
34AQI (US)
34AQI (US)
9th January 2026
12AQI (US)
12AQI (US)
10th January 2026
20AQI (US)
20AQI (US)
11th January 2026
20AQI (US)
20AQI (US)
12th January 2026
19AQI (US)
19AQI (US)
13th January 2026
32AQI (US)
32AQI (US)
14th January 2026
15AQI (US)
15AQI (US)
15th January 2026
32AQI (US)
32AQI (US)
16th January 2026
52AQI (US)
52AQI (US)
17th January 2026
51AQI (US)
51AQI (US)
18th January 2026
23AQI (US)
23AQI (US)
19th January 2026
30AQI (US)
30AQI (US)
20th January 2026
35AQI (US)
35AQI (US)
21st January 2026
14AQI (US)
14AQI (US)
22nd January 2026
21AQI (US)
21AQI (US)
23rd January 2026
37AQI (US)
37AQI (US)
24th January 2026
37AQI (US)
37AQI (US)
25th January 2026
44AQI (US)
44AQI (US)
26th January 2026
28AQI (US)
28AQI (US)
27th January 2026
44AQI (US)
44AQI (US)
28th January 2026
19AQI (US)
19AQI (US)
29th January 2026
16AQI (US)
16AQI (US)
30th January 2026
32AQI (US)
32AQI (US)
31st January 2026
33AQI (US)
33AQI (US)
1st February 2026
35AQI (US)
35AQI (US)
2nd February 2026
36AQI (US)
36AQI (US)
3rd February 2026
16AQI (US)
16AQI (US)
4th February 2026
39AQI (US)
39AQI (US)
5th February 2026
58AQI (US)
58AQI (US)
6th February 2026
51AQI (US)
51AQI (US)
7th February 2026
11AQI (US)
11AQI (US)
8th February 2026
10AQI (US)
10AQI (US)
9th February 2026
32AQI (US)
32AQI (US)
10th February 2026
32AQI (US)
32AQI (US)
11th February 2026
43AQI (US)
43AQI (US)
12th February 2026
29AQI (US)
29AQI (US)
13th February 2026
42AQI (US)
42AQI (US)
14th February 2026
65AQI (US)
65AQI (US)
15th February 2026
47AQI (US)
47AQI (US)
16th February 2026
55AQI (US)
55AQI (US)
17th February 2026
21AQI (US)
21AQI (US)
18th February 2026
39AQI (US)
39AQI (US)
19th February 2026
19AQI (US)
19AQI (US)
20th February 2026
29AQI (US)
29AQI (US)
21st February 2026
56AQI (US)
56AQI (US)
22nd February 2026
47AQI (US)
47AQI (US)
23rd February 2026
32AQI (US)
32AQI (US)
24th February 2026
37AQI (US)
37AQI (US)
25th February 2026
29AQI (US)
29AQI (US)
26th February 2026
21AQI (US)
21AQI (US)
27th February 2026
44AQI (US)
44AQI (US)
28th February 2026
45AQI (US)
45AQI (US)
1st March 2026
39AQI (US)
39AQI (US)
2nd March 2026
79AQI (US)
79AQI (US)
3rd March 2026
42AQI (US)
42AQI (US)
4th March 2026
59AQI (US)
59AQI (US)
5th March 2026
56AQI (US)
56AQI (US)
6th March 2026
48AQI (US)
48AQI (US)
7th March 2026
45AQI (US)
45AQI (US)
8th March 2026
41AQI (US)
41AQI (US)
9th March 2026
49AQI (US)
49AQI (US)
10th March 2026
57AQI (US)
57AQI (US)
11th March 2026
56AQI (US)
56AQI (US)
12th March 2026
66AQI (US)
66AQI (US)
13th March 2026
43AQI (US)
43AQI (US)
14th March 2026
45AQI (US)
45AQI (US)
15th March 2026
60AQI (US)
60AQI (US)
16th March 2026
56AQI (US)
56AQI (US)
17th March 2026
51AQI (US)
51AQI (US)
18th March 2026
53AQI (US)
53AQI (US)
19th March 2026
39AQI (US)
39AQI (US)
20th March 2026
34AQI (US)
34AQI (US)
21st March 2026
46AQI (US)
46AQI (US)
22nd March 2026
54AQI (US)
54AQI (US)
23rd March 2026
39AQI (US)
39AQI (US)
24th March 2026
34AQI (US)
34AQI (US)
25th March 2026
59AQI (US)
59AQI (US)
26th March 2026
26AQI (US)
26AQI (US)
27th March 2026
28AQI (US)
28AQI (US)
28th March 2026
52AQI (US)
52AQI (US)
29th March 2026
54AQI (US)
54AQI (US)
30th March 2026
45AQI (US)
45AQI (US)
31st March 2026
17AQI (US)
17AQI (US)
1st April 2026
28AQI (US)
28AQI (US)
2nd April 2026
10AQI (US)
10AQI (US)
3rd April 2026
40AQI (US)
40AQI (US)
4th April 2026
44AQI (US)
44AQI (US)
5th April 2026
35AQI (US)
35AQI (US)
6th April 2026
29AQI (US)
29AQI (US)
7th April 2026
27AQI (US)
27AQI (US)
8th April 2026
20AQI (US)
20AQI (US)
9th April 2026
29AQI (US)
29AQI (US)
10th April 2026
45AQI (US)
45AQI (US)
11th April 2026
44AQI (US)
44AQI (US)
12th April 2026
28AQI (US)
28AQI (US)
13th April 2026
36AQI (US)
36AQI (US)
14th April 2026
42AQI (US)
42AQI (US)
15th April 2026
39AQI (US)
39AQI (US)
16th April 2026
32AQI (US)
32AQI (US)
17th April 2026
38AQI (US)
38AQI (US)
18th April 2026
32AQI (US)
32AQI (US)
19th April 2026
40AQI (US)
40AQI (US)
20th April 2026
36AQI (US)
36AQI (US)
21st April 2026
40AQI (US)
40AQI (US)
22nd April 2026
44AQI (US)
44AQI (US)
23rd April 2026
37AQI (US)
37AQI (US)
24th April 2026
32AQI (US)
32AQI (US)
25th April 2026
45AQI (US)
45AQI (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
22AQI (US)
22AQI (US)
1st May 2026
42AQI (US)
42AQI (US)
2nd May 2026
51AQI (US)
51AQI (US)
3rd May 2026
51AQI (US)
51AQI (US)
4th May 2026
30AQI (US)
30AQI (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
25AQI (US)
25AQI (US)
9th May 2026
21AQI (US)
21AQI (US)
10th May 2026
28AQI (US)
28AQI (US)
11th May 2026
29AQI (US)
29AQI (US)
12th May 2026
36AQI (US)
36AQI (US)
13th May 2026
43AQI (US)
43AQI (US)
14th May 2026
40AQI (US)
40AQI (US)
15th May 2026
35AQI (US)
35AQI (US)
16th May 2026
86AQI (US)
86AQI (US)
17th May 2026
69AQI (US)
69AQI (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
58AQI (US)
58AQI (US)
23rd May 2026
53AQI (US)
53AQI (US)
24th May 2026
57AQI (US)
57AQI (US)
25th May 2026
45AQI (US)
45AQI (US)
26th May 2026
39AQI (US)
39AQI (US)
27th May 2026
24AQI (US)
24AQI (US)
28th May 2026
24AQI (US)
24AQI (US)
29th May 2026
25AQI (US)
25AQI (US)
30th May 2026
24AQI (US)
24AQI (US)
31st May 2026
26AQI (US)
26AQI (US)
1st June 2026
30AQI (US)
30AQI (US)
2nd June 2026
31AQI (US)
31AQI (US)
3rd June 2026
20AQI (US)
20AQI (US)
4th June 2026
22AQI (US)
22AQI (US)
5th June 2026
22AQI (US)
22AQI (US)
6th June 2026
22AQI (US)
22AQI (US)
7th June 2026
22AQI (US)
22AQI (US)
8th June 2026
20AQI (US)
20AQI (US)
9th June 2026
22AQI (US)
22AQI (US)
10th June 2026
21AQI (US)
21AQI (US)
11th June 2026
24AQI (US)
24AQI (US)
12th June 2026
24AQI (US)
24AQI (US)
13th June 2026
41AQI (US)
41AQI (US)
14th June 2026
41AQI (US)
41AQI (US)
15th June 2026
12AQI (US)
12AQI (US)
16th June 2026
24AQI (US)
24AQI (US)
17th June 2026
23AQI (US)
23AQI (US)
18th June 2026
25AQI (US)
25AQI (US)
19th June 2026
27AQI (US)
27AQI (US)
20th June 2026
21AQI (US)
21AQI (US)
21st June 2026
20AQI (US)
20AQI (US)
22nd June 2026
19AQI (US)
19AQI (US)
23rd June 2026
21AQI (US)
21AQI (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
28AQI (US)
28AQI (US)
29th June 2026
27AQI (US)
27AQI (US)
30th June 2026
22AQI (US)
22AQI (US)
1st July 2026
26AQI (US)
26AQI (US)
2nd July 2026
23AQI (US)
23AQI (US)
3rd July 2026
28AQI (US)
28AQI (US)
4th July 2026
27AQI (US)
27AQI (US)
5th July 2026
20AQI (US)
20AQI (US)
6th July 2026
25AQI (US)
25AQI (US)
7th July 2026
25AQI (US)
25AQI (US)
8th July 2026
22AQI (US)
22AQI (US)
9th July 2026
20AQI (US)
20AQI (US)
10th July 2026
22AQI (US)
22AQI (US)
11th July 2026
23AQI (US)
23AQI (US)
12th July 2026
25AQI (US)
25AQI (US)
13th July 2026
39AQI (US)
39AQI (US)
14th July 2026
41AQI (US)
41AQI (US)
15th July 2026
40AQI (US)
40AQI (US)
16th July 2026
75AQI (US)
75AQI (US)
17th July 2026
65AQI (US)
65AQI (US)
18th July 2026
14AQI (US)
14AQI (US)
19th July 2026
17AQI (US)
17AQI (US)
20th July 2026
32AQI (US)
32AQI (US)
21st July 2026
48AQI (US)
48AQI (US)
22nd July 2026
68AQI (US)
68AQI (US)
23rd July 2026
59AQI (US)
59AQI (US)
24th July 2026
30AQI (US)
30AQI (US)
25th July 2026
42AQI (US)
42AQI (US)
26th July 2026
31AQI (US)
31AQI (US)
27th July 2026
24AQI (US)
24AQI (US)
28th July 2026
33AQI (US)
33AQI (US)
29th July 2026
31AQI (US)
31AQI (US)
30th July 2026
44AQI (US)
44AQI (US)
31st July 2026
49AQI (US)
49AQI (US)
1st August 2026
63AQI (US)
63AQI (US)
2nd August 2026
54AQI (US)
54AQI (US)
3rd August 2026
18AQI (US)
18AQI (US)
4th August 2026
22AQI (US)
22AQI (US)
5th August 2026
23AQI (US)
23AQI (US)
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)
36AQI (US)
47AQI (US)
36AQI (US)
41AQI (US)
24AQI (US)
34AQI (US)
36AQI (US)
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202635AQI (US)
29
2
23
5
17
14
29
1
21
10
30
27
4
3
2
179
38
Highest AQI (US) recorded in
March47AQI (US)
Lowest AQI (US) recorded in
June24AQI (US)
202538AQI (US)
29
2
27
1
26
5
29
1
30
1
30
25
6
22
9
30
18
13
20
10
23
8
309
56
Highest AQI (US) recorded in
October47AQI (US)
Lowest AQI (US) recorded in
May29AQI (US)
202433AQI (US)
29
1
28
1
27
4
24
6
29
2
28
2
20
11
30
1
29
1
31
28
2
31
334
31
Highest AQI (US) recorded in
July45AQI (US)
Lowest AQI (US) recorded in
September20AQI (US)
202334AQI (US)
25
6
27
1
27
4
24
6
28
3
28
2
29
2
31
29
1
30
1
25
4
26
5
329
35
Highest AQI (US) recorded in
April43AQI (US)
Lowest AQI (US) recorded in
August20AQI (US)
202237AQI (US)
29
1
21
28
3
13
4
28
3
28
2
20
1
1
28
30
1
30
30
1
286
16
Highest AQI (US) recorded in
March41AQI (US)
Lowest AQI (US) recorded in
September33AQI (US)
202134AQI (US)
25
6
26
2
28
3
28
2
25
6
27
3
29
2
29
2
30
30
1
26
4
26
5
329
36
Highest AQI (US) recorded in
May40AQI (US)
Lowest AQI (US) recorded in
February28AQI (US)
202029AQI (US)
13
21
17
1
26
4
31
26
5
19
31
25
5
28
3
237
18
Highest AQI (US) recorded in
August36AQI (US)
Lowest AQI (US) recorded in
September22AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Most Polluted Year Recorded
2025(Avg.)
38AQI (US)Least Polluted Year Recorded
2020(Avg.)
29AQI (US)Uruido's annual 2026 AQI (US) (35) shows an average percentage change of 3.2% (worsened AQI (US)) compared to previous years: 2020 (29), 2021 (34), 2022 (37), 2023 (34), 2024 (33), 2025 (38).
