Joso, Ibaraki, 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
Joso, Ibaraki, Japan
2022
2023
2024
2025
2026
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
1st Aug 2026
59AQILowest AQI recorded on
30th Aug 2024
10AQISame Day Analysis (5th August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 4th highest AQI at 24 of Good air quality, showing improvement over 2025, 2024 and 2023 on the same day.
Day & Night AQI Trend: 4th Aug - 5th Aug 2026
Joso, Ibaraki, Japan
AQI
Day
Night
.
4 AM4th Aug 2026
6 PM
3 AM5th Aug 2026
Day time
Avg. Highest Time
8AM4th Aug
29AQI
Avg. Lowest Time
6AM4th Aug
14AQI
Night time
Avg. Highest Time
1AM5th Aug
29AQI
Avg. Lowest Time
8PM4th Aug
21AQI
In the last 24 hours,
Joso's AQI reached its highest point of 29 at 8 AM during the Day, while the lowest point, 14, was recorded at 6 AM during the Day between 4th Aug and 5th Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Joso, Ibaraki, 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 2026254 AMAQI
7th Jul 2026285 AMAQI
7th Jul 2026286 AMAQI
7th Jul 2026287 AMAQI
7th Jul 2026288 AMAQI
7th Jul 2026249 AMAQI
7th Jul 20262610 AMAQI
7th Jul 20262411 AMAQI
7th Jul 20262412 PMAQI
7th Jul 2026201 PMAQI
7th Jul 2026222 PMAQI
7th Jul 2026273 PMAQI
7th Jul 2026244 PMAQI
7th Jul 2026265 PMAQI
7th Jul 2026286 PMAQI
7th Jul 2026267 PMAQI
7th Jul 2026188 PMAQI
7th Jul 2026269 PMAQI
7th Jul 20262510 PMAQI
7th Jul 20261811 PMAQI
8th Jul 2026912 AMAQI
8th Jul 2026201 AMAQI
8th Jul 2026272 AMAQI
8th Jul 2026263 AMAQI
24°C20/29°C
8th Jul 2026244 AMAQI
8th Jul 2026285 AMAQI
8th Jul 2026286 AMAQI
8th Jul 2026267 AMAQI
8th Jul 2026268 AMAQI
8th Jul 2026169 AMAQI
8th Jul 2026810 AMAQI
8th Jul 20262311 AMAQI
8th Jul 20262412 PMAQI
8th Jul 2026221 PMAQI
8th Jul 2026242 PMAQI
8th Jul 2026263 PMAQI
8th Jul 2026244 PMAQI
8th Jul 2026225 PMAQI
8th Jul 2026216 PMAQI
8th Jul 2026207 PMAQI
8th Jul 2026208 PMAQI
8th Jul 2026209 PMAQI
8th Jul 20262110 PMAQI
8th Jul 20261511 PMAQI
9th Jul 20262612 AMAQI
9th Jul 2026261 AMAQI
9th Jul 2026272 AMAQI
9th Jul 2026263 AMAQI
26°C21/31°C
9th Jul 2026184 AMAQI
9th Jul 2026265 AMAQI
9th Jul 2026246 AMAQI
9th Jul 202697 AMAQI
9th Jul 2026138 AMAQI
9th Jul 2026209 AMAQI
9th Jul 20262110 AMAQI
9th Jul 20262111 AMAQI
9th Jul 20262212 PMAQI
9th Jul 2026221 PMAQI
9th Jul 2026252 PMAQI
9th Jul 2026293 PMAQI
9th Jul 2026264 PMAQI
9th Jul 2026435 PMAQI
9th Jul 2026566 PMAQI
9th Jul 2026487 PMAQI
9th Jul 2026218 PMAQI
9th Jul 2026129 PMAQI
9th Jul 20261210 PMAQI
9th Jul 2026811 PMAQI
10th Jul 20261212 AMAQI
10th Jul 2026101 AMAQI
10th Jul 202682 AMAQI
10th Jul 202683 AMAQI
27°C23/32°C
10th Jul 2026104 AMAQI
10th Jul 2026125 AMAQI
10th Jul 2026126 AMAQI
10th Jul 2026127 AMAQI
10th Jul 2026128 AMAQI
10th Jul 2026219 AMAQI
10th Jul 20262110 AMAQI
10th Jul 20262711 AMAQI
10th Jul 20262712 PMAQI
10th Jul 2026251 PMAQI
10th Jul 2026462 PMAQI
10th Jul 2026293 PMAQI
10th Jul 2026334 PMAQI
10th Jul 2026295 PMAQI
10th Jul 2026166 PMAQI
10th Jul 2026147 PMAQI
10th Jul 2026128 PMAQI
10th Jul 2026129 PMAQI
10th Jul 2026810 PMAQI
10th Jul 20261211 PMAQI
11th Jul 2026812 AMAQI
11th Jul 2026101 AMAQI
11th Jul 2026102 AMAQI
11th Jul 2026123 AMAQI
28°C24/33°C
11th Jul 2026104 AMAQI
11th Jul 2026105 AMAQI
11th Jul 2026106 AMAQI
11th Jul 2026127 AMAQI
11th Jul 2026198 AMAQI
11th Jul 2026299 AMAQI
11th Jul 20262510 AMAQI
11th Jul 20263111 AMAQI
11th Jul 20263312 PMAQI
11th Jul 2026361 PMAQI
11th Jul 2026342 PMAQI
11th Jul 2026293 PMAQI
11th Jul 2026244 PMAQI
11th Jul 2026305 PMAQI
11th Jul 2026286 PMAQI
11th Jul 2026267 PMAQI
11th Jul 2026248 PMAQI
11th Jul 2026279 PMAQI
11th Jul 20263010 PMAQI
11th Jul 20263011 PMAQI
12th Jul 20262812 AMAQI
12th Jul 2026301 AMAQI
12th Jul 2026302 AMAQI
12th Jul 2026183 AMAQI
28°C24/32°C
12th Jul 2026184 AMAQI
12th Jul 2026185 AMAQI
12th Jul 2026306 AMAQI
12th Jul 2026287 AMAQI
12th Jul 2026268 AMAQI
12th Jul 2026299 AMAQI
12th Jul 20262810 AMAQI
12th Jul 20262311 AMAQI
12th Jul 20262412 PMAQI
12th Jul 2026221 PMAQI
12th Jul 2026242 PMAQI
12th Jul 2026243 PMAQI
12th Jul 2026264 PMAQI
12th Jul 2026285 PMAQI
12th Jul 2026266 PMAQI
12th Jul 2026287 PMAQI
12th Jul 2026308 PMAQI
12th Jul 2026319 PMAQI
12th Jul 20263010 PMAQI
12th Jul 20263111 PMAQI
13th Jul 20263012 AMAQI
13th Jul 2026301 AMAQI
13th Jul 2026282 AMAQI
13th Jul 2026303 AMAQI
26°C24/29°C
13th Jul 2026304 AMAQI
13th Jul 2026305 AMAQI
13th Jul 2026286 AMAQI
13th Jul 2026627 AMAQI
13th Jul 2026648 AMAQI
13th Jul 2026429 AMAQI
13th Jul 20266710 AMAQI
13th Jul 20264811 AMAQI
13th Jul 20265712 PMAQI
13th Jul 2026701 PMAQI
13th Jul 2026482 PMAQI
13th Jul 2026663 PMAQI
13th Jul 2026554 PMAQI
13th Jul 2026655 PMAQI
13th Jul 2026686 PMAQI
13th Jul 2026737 PMAQI
13th Jul 2026808 PMAQI
13th Jul 2026589 PMAQI
13th Jul 20267110 PMAQI
13th Jul 20267611 PMAQI
14th Jul 20265312 AMAQI
14th Jul 2026651 AMAQI
14th Jul 2026672 AMAQI
14th Jul 2026553 AMAQI
27°C25/32°C
14th Jul 2026554 AMAQI
14th Jul 2026625 AMAQI
14th Jul 2026566 AMAQI
14th Jul 2026767 AMAQI
14th Jul 2026748 AMAQI
14th Jul 2026679 AMAQI
14th Jul 20265410 AMAQI
14th Jul 20263311 AMAQI
14th Jul 20264412 PMAQI
14th Jul 2026621 PMAQI
14th Jul 2026202 PMAQI
14th Jul 2026213 PMAQI
14th Jul 2026264 PMAQI
14th Jul 2026315 PMAQI
14th Jul 2026306 PMAQI
14th Jul 2026297 PMAQI
14th Jul 2026308 PMAQI
14th Jul 2026549 PMAQI
14th Jul 20265310 PMAQI
14th Jul 20264211 PMAQI
15th Jul 20263312 AMAQI
15th Jul 2026361 AMAQI
15th Jul 2026482 AMAQI
15th Jul 2026643 AMAQI
29°C24/35°C
15th Jul 2026544 AMAQI
15th Jul 2026385 AMAQI
15th Jul 2026546 AMAQI
15th Jul 2026517 AMAQI
15th Jul 2026368 AMAQI
15th Jul 2026529 AMAQI
15th Jul 20262110 AMAQI
15th Jul 20264211 AMAQI
15th Jul 20264612 PMAQI
15th Jul 2026521 PMAQI
15th Jul 2026622 PMAQI
15th Jul 2026733 PMAQI
15th Jul 2026754 PMAQI
15th Jul 2026735 PMAQI
15th Jul 2026666 PMAQI
15th Jul 2026707 PMAQI
15th Jul 2026718 PMAQI
15th Jul 2026689 PMAQI
15th Jul 20267110 PMAQI
15th Jul 20265611 PMAQI
16th Jul 20266412 AMAQI
16th Jul 2026681 AMAQI
16th Jul 2026762 AMAQI
16th Jul 2026793 AMAQI
31°C27/36°C
16th Jul 2026714 AMAQI
16th Jul 2026865 AMAQI
16th Jul 2026836 AMAQI
16th Jul 2026877 AMAQI
16th Jul 2026878 AMAQI
16th Jul 2026849 AMAQI
16th Jul 20269010 AMAQI
16th Jul 20266911 AMAQI
16th Jul 20267512 PMAQI
16th Jul 2026811 PMAQI
16th Jul 2026702 PMAQI
16th Jul 2026743 PMAQI
16th Jul 2026834 PMAQI
16th Jul 2026755 PMAQI
16th Jul 2026796 PMAQI
16th Jul 2026677 PMAQI
16th Jul 2026798 PMAQI
16th Jul 2026809 PMAQI
16th Jul 20266710 PMAQI
16th Jul 20266511 PMAQI
17th Jul 20266212 AMAQI
17th Jul 2026621 AMAQI
17th Jul 2026662 AMAQI
17th Jul 2026623 AMAQI
31°C27/36°C
17th Jul 2026584 AMAQI
17th Jul 2026605 AMAQI
17th Jul 2026666 AMAQI
17th Jul 2026577 AMAQI
17th Jul 2026638 AMAQI
17th Jul 2026649 AMAQI
17th Jul 20267610 AMAQI
17th Jul 20267011 AMAQI
17th Jul 20266612 PMAQI
17th Jul 2026501 PMAQI
17th Jul 2026582 PMAQI
17th Jul 2026313 PMAQI
17th Jul 2026464 PMAQI
17th Jul 2026405 PMAQI
17th Jul 2026506 PMAQI
17th Jul 2026427 PMAQI
17th Jul 2026498 PMAQI
17th Jul 2026489 PMAQI
17th Jul 20265210 PMAQI
17th Jul 20264011 PMAQI
18th Jul 20262412 AMAQI
18th Jul 2026161 AMAQI
18th Jul 2026142 AMAQI
18th Jul 202683 AMAQI
28°C26/31°C
18th Jul 202684 AMAQI
18th Jul 2026125 AMAQI
18th Jul 2026276 AMAQI
18th Jul 2026237 AMAQI
18th Jul 2026258 AMAQI
18th Jul 2026199 AMAQI
18th Jul 20262310 AMAQI
18th Jul 20261211 AMAQI
18th Jul 20261212 PMAQI
18th Jul 2026181 PMAQI
18th Jul 2026212 PMAQI
18th Jul 2026143 PMAQI
18th Jul 2026174 PMAQI
18th Jul 2026145 PMAQI
18th Jul 2026146 PMAQI
18th Jul 2026147 PMAQI
18th Jul 2026128 PMAQI
18th Jul 2026129 PMAQI
18th Jul 20261210 PMAQI
18th Jul 20261211 PMAQI
19th Jul 20261212 AMAQI
19th Jul 2026101 AMAQI
19th Jul 2026172 AMAQI
19th Jul 2026173 AMAQI
28°C25/31°C
19th Jul 2026174 AMAQI
19th Jul 2026145 AMAQI
19th Jul 2026216 AMAQI
19th Jul 2026277 AMAQI
19th Jul 2026428 AMAQI
19th Jul 2026279 AMAQI
19th Jul 20261210 AMAQI
19th Jul 20262111 AMAQI
19th Jul 20262512 PMAQI
19th Jul 2026231 PMAQI
19th Jul 2026292 PMAQI
19th Jul 2026253 PMAQI
19th Jul 2026214 PMAQI
19th Jul 2026235 PMAQI
19th Jul 2026256 PMAQI
19th Jul 2026257 PMAQI
19th Jul 2026298 PMAQI
19th Jul 2026259 PMAQI
19th Jul 20262110 PMAQI
19th Jul 20262311 PMAQI
20th Jul 20263612 AMAQI
20th Jul 2026271 AMAQI
20th Jul 2026212 AMAQI
20th Jul 2026253 AMAQI
28°C25/32°C
20th Jul 2026274 AMAQI
20th Jul 2026255 AMAQI
20th Jul 2026256 AMAQI
20th Jul 2026257 AMAQI
20th Jul 2026238 AMAQI
20th Jul 2026279 AMAQI
20th Jul 20262510 AMAQI
20th Jul 20263011 AMAQI
20th Jul 20263812 PMAQI
20th Jul 2026321 PMAQI
20th Jul 2026382 PMAQI
20th Jul 2026313 PMAQI
20th Jul 2026444 PMAQI
20th Jul 2026325 PMAQI
20th Jul 2026256 PMAQI
20th Jul 2026217 PMAQI
20th Jul 2026238 PMAQI
20th Jul 2026339 PMAQI
20th Jul 20263610 PMAQI
20th Jul 20263311 PMAQI
21st Jul 20263412 AMAQI
21st Jul 2026361 AMAQI
21st Jul 2026362 AMAQI
21st Jul 2026473 AMAQI
32°C26/37°C
21st Jul 2026534 AMAQI
21st Jul 2026475 AMAQI
21st Jul 2026466 AMAQI
21st Jul 2026447 AMAQI
21st Jul 2026518 AMAQI
21st Jul 2026569 AMAQI
21st Jul 20265110 AMAQI
21st Jul 20264811 AMAQI
21st Jul 2026511 PMAQI
21st Jul 2026522 PMAQI
21st Jul 2026513 PMAQI
21st Jul 2026514 PMAQI
21st Jul 2026525 PMAQI
21st Jul 2026526 PMAQI
21st Jul 2026877 PMAQI
21st Jul 2026518 PMAQI
21st Jul 2026529 PMAQI
21st Jul 20265510 PMAQI
21st Jul 20265411 PMAQI
22nd Jul 20265412 AMAQI
22nd Jul 2026621 AMAQI
22nd Jul 2026602 AMAQI
22nd Jul 2026583 AMAQI
32°C28/39°C
22nd Jul 2026694 AMAQI
22nd Jul 2026655 AMAQI
22nd Jul 2026676 AMAQI
22nd Jul 2026827 AMAQI
22nd Jul 2026748 AMAQI
22nd Jul 2026539 AMAQI
22nd Jul 20265510 AMAQI
22nd Jul 20265511 AMAQI
22nd Jul 20265212 PMAQI
22nd Jul 2026551 PMAQI
22nd Jul 2026552 PMAQI
22nd Jul 2026563 PMAQI
22nd Jul 2026564 PMAQI
22nd Jul 2026565 PMAQI
22nd Jul 2026566 PMAQI
22nd Jul 2026687 PMAQI
22nd Jul 2026698 PMAQI
22nd Jul 2026839 PMAQI
22nd Jul 20268210 PMAQI
22nd Jul 20267511 PMAQI
23rd Jul 20267212 AMAQI
23rd Jul 2026661 AMAQI
23rd Jul 2026542 AMAQI
23rd Jul 2026463 AMAQI
33°C28/39°C
23rd Jul 2026424 AMAQI
23rd Jul 2026425 AMAQI
23rd Jul 2026596 AMAQI
23rd Jul 2026677 AMAQI
23rd Jul 2026608 AMAQI
23rd Jul 2026739 AMAQI
23rd Jul 20266610 AMAQI
23rd Jul 20269711 AMAQI
23rd Jul 20268012 PMAQI
23rd Jul 2026671 PMAQI
23rd Jul 2026792 PMAQI
23rd Jul 2026633 PMAQI
23rd Jul 2026704 PMAQI
23rd Jul 2026645 PMAQI
23rd Jul 2026276 PMAQI
23rd Jul 2026367 PMAQI
23rd Jul 2026278 PMAQI
23rd Jul 2026409 PMAQI
23rd Jul 20263110 PMAQI
23rd Jul 20263111 PMAQI
24th Jul 20262112 AMAQI
24th Jul 2026311 AMAQI
24th Jul 2026162 AMAQI
24th Jul 2026173 AMAQI
32°C28/38°C
24th Jul 2026194 AMAQI
24th Jul 2026275 AMAQI
24th Jul 2026136 AMAQI
24th Jul 2026107 AMAQI
24th Jul 2026178 AMAQI
24th Jul 2026259 AMAQI
24th Jul 20263110 AMAQI
24th Jul 20263611 AMAQI
24th Jul 20264612 PMAQI
24th Jul 2026621 PMAQI
24th Jul 2026692 PMAQI
24th Jul 2026683 PMAQI
24th Jul 2026524 PMAQI
24th Jul 2026575 PMAQI
24th Jul 2026426 PMAQI
24th Jul 2026297 PMAQI
24th Jul 2026188 PMAQI
24th Jul 2026209 PMAQI
24th Jul 20262310 PMAQI
24th Jul 20262311 PMAQI
25th Jul 20261912 AMAQI
25th Jul 2026171 AMAQI
25th Jul 202682 AMAQI
25th Jul 202683 AMAQI
29°C26/35°C
25th Jul 2026124 AMAQI
25th Jul 2026125 AMAQI
25th Jul 2026126 AMAQI
25th Jul 2026177 AMAQI
25th Jul 2026218 AMAQI
25th Jul 2026239 AMAQI
25th Jul 20263110 AMAQI
25th Jul 20262511 AMAQI
25th Jul 20265412 PMAQI
25th Jul 2026551 PMAQI
25th Jul 2026362 PMAQI
25th Jul 2026383 PMAQI
25th Jul 2026384 PMAQI
25th Jul 2026385 PMAQI
25th Jul 2026216 PMAQI
25th Jul 2026237 PMAQI
25th Jul 2026318 PMAQI
25th Jul 2026369 PMAQI
25th Jul 20262510 PMAQI
25th Jul 20263811 PMAQI
26th Jul 20263112 AMAQI
26th Jul 2026121 AMAQI
26th Jul 2026272 AMAQI
26th Jul 2026253 AMAQI
28°C24/34°C
26th Jul 2026254 AMAQI
26th Jul 2026255 AMAQI
26th Jul 2026336 AMAQI
26th Jul 2026297 AMAQI
26th Jul 2026298 AMAQI
26th Jul 2026259 AMAQI
26th Jul 20262310 AMAQI
26th Jul 20262311 AMAQI
26th Jul 20262112 PMAQI
26th Jul 2026251 PMAQI
26th Jul 2026332 PMAQI
26th Jul 2026513 PMAQI
26th Jul 2026364 PMAQI
26th Jul 2026405 PMAQI
26th Jul 2026386 PMAQI
26th Jul 2026317 PMAQI
26th Jul 2026408 PMAQI
26th Jul 2026259 PMAQI
26th Jul 20262110 PMAQI
26th Jul 20263311 PMAQI
27th Jul 20262912 AMAQI
27th Jul 2026291 AMAQI
27th Jul 2026292 AMAQI
27th Jul 2026293 AMAQI
28°C25/33°C
27th Jul 2026254 AMAQI
27th Jul 2026295 AMAQI
27th Jul 2026296 AMAQI
27th Jul 2026297 AMAQI
27th Jul 2026298 AMAQI
27th Jul 2026259 AMAQI
27th Jul 20262910 AMAQI
27th Jul 20262911 AMAQI
27th Jul 20262512 PMAQI
27th Jul 2026251 PMAQI
27th Jul 2026252 PMAQI
27th Jul 2026253 PMAQI
27th Jul 2026234 PMAQI
27th Jul 2026235 PMAQI
27th Jul 2026336 PMAQI
27th Jul 2026217 PMAQI
27th Jul 2026218 PMAQI
27th Jul 2026219 PMAQI
27th Jul 20262110 PMAQI
27th Jul 20262511 PMAQI
28th Jul 20262312 AMAQI
28th Jul 2026211 AMAQI
28th Jul 2026212 AMAQI
28th Jul 2026213 AMAQI
26°C23/31°C
28th Jul 2026234 AMAQI
28th Jul 2026215 AMAQI
28th Jul 2026216 AMAQI
28th Jul 2026217 AMAQI
28th Jul 2026218 AMAQI
28th Jul 2026259 AMAQI
28th Jul 20262510 AMAQI
28th Jul 20262511 AMAQI
28th Jul 20262312 PMAQI
28th Jul 2026271 PMAQI
28th Jul 2026292 PMAQI
28th Jul 2026293 PMAQI
28th Jul 2026294 PMAQI
28th Jul 2026505 PMAQI
28th Jul 2026406 PMAQI
28th Jul 2026427 PMAQI
28th Jul 2026528 PMAQI
28th Jul 2026579 PMAQI
28th Jul 20264410 PMAQI
28th Jul 20265411 PMAQI
29th Jul 20265412 AMAQI
29th Jul 2026511 AMAQI
29th Jul 2026482 AMAQI
29th Jul 2026403 AMAQI
26°C23/31°C
29th Jul 2026484 AMAQI
29th Jul 2026515 AMAQI
29th Jul 2026556 AMAQI
29th Jul 2026467 AMAQI
29th Jul 2026408 AMAQI
29th Jul 2026409 AMAQI
29th Jul 20263410 AMAQI
29th Jul 20262711 AMAQI
29th Jul 20262312 PMAQI
29th Jul 2026231 PMAQI
29th Jul 2026232 PMAQI
29th Jul 2026213 PMAQI
29th Jul 2026214 PMAQI
29th Jul 202685 PMAQI
29th Jul 202686 PMAQI
29th Jul 202697 PMAQI
29th Jul 2026128 PMAQI
29th Jul 2026239 PMAQI
29th Jul 20261810 PMAQI
29th Jul 20261611 PMAQI
30th Jul 20263212 AMAQI
30th Jul 2026291 AMAQI
30th Jul 2026312 AMAQI
30th Jul 2026143 AMAQI
29°C24/36°C
30th Jul 2026274 AMAQI
30th Jul 2026235 AMAQI
30th Jul 2026196 AMAQI
30th Jul 2026167 AMAQI
30th Jul 2026188 AMAQI
30th Jul 2026209 AMAQI
30th Jul 20262210 AMAQI
30th Jul 20263311 AMAQI
30th Jul 20264212 PMAQI
30th Jul 2026441 PMAQI
30th Jul 2026382 PMAQI
30th Jul 2026383 PMAQI
30th Jul 2026364 PMAQI
30th Jul 2026385 PMAQI
30th Jul 2026386 PMAQI
30th Jul 2026537 PMAQI
30th Jul 2026538 PMAQI
30th Jul 2026679 PMAQI
30th Jul 20264810 PMAQI
30th Jul 20265611 PMAQI
31st Jul 20265612 AMAQI
31st Jul 2026441 AMAQI
31st Jul 2026422 AMAQI
31st Jul 2026483 AMAQI
32°C27/37°C
31st Jul 2026444 AMAQI
31st Jul 2026445 AMAQI
31st Jul 2026466 AMAQI
31st Jul 2026387 AMAQI
31st Jul 2026388 AMAQI
31st Jul 2026429 AMAQI
31st Jul 20264410 AMAQI
31st Jul 20265811 AMAQI
31st Jul 20264012 PMAQI
31st Jul 2026481 PMAQI
31st Jul 2026442 PMAQI
31st Jul 2026503 PMAQI
31st Jul 2026444 PMAQI
31st Jul 2026545 PMAQI
31st Jul 2026536 PMAQI
31st Jul 2026527 PMAQI
31st Jul 2026538 PMAQI
31st Jul 2026449 PMAQI
31st Jul 20264010 PMAQI
31st Jul 20265111 PMAQI
1st Aug 20265512 AMAQI
1st Aug 2026441 AMAQI
1st Aug 2026492 AMAQI
1st Aug 2026533 AMAQI
31°C28/36°C
1st Aug 2026464 AMAQI
1st Aug 2026485 AMAQI
1st Aug 2026486 AMAQI
1st Aug 2026487 AMAQI
1st Aug 2026538 AMAQI
1st Aug 2026629 AMAQI
1st Aug 20266210 AMAQI
1st Aug 20265211 AMAQI
1st Aug 20266012 PMAQI
1st Aug 2026621 PMAQI
1st Aug 2026562 PMAQI
1st Aug 2026593 PMAQI
1st Aug 2026554 PMAQI
1st Aug 2026545 PMAQI
1st Aug 2026536 PMAQI
1st Aug 2026627 PMAQI
1st Aug 2026688 PMAQI
1st Aug 2026769 PMAQI
1st Aug 20269210 PMAQI
1st Aug 20269011 PMAQI
2nd Aug 20266612 AMAQI
2nd Aug 2026721 AMAQI
2nd Aug 2026762 AMAQI
2nd Aug 2026723 AMAQI
31°C26/37°C
2nd Aug 2026894 AMAQI
2nd Aug 2026765 AMAQI
2nd Aug 2026806 AMAQI
2nd Aug 2026797 AMAQI
2nd Aug 2026968 AMAQI
2nd Aug 2026489 AMAQI
2nd Aug 20265710 AMAQI
2nd Aug 20263311 AMAQI
2nd Aug 20262312 PMAQI
2nd Aug 2026421 PMAQI
2nd Aug 2026172 PMAQI
2nd Aug 2026233 PMAQI
2nd Aug 2026214 PMAQI
2nd Aug 2026215 PMAQI
2nd Aug 2026216 PMAQI
2nd Aug 2026167 PMAQI
2nd Aug 202688 PMAQI
2nd Aug 202699 PMAQI
2nd Aug 20261010 PMAQI
2nd Aug 20261211 PMAQI
3rd Aug 20261212 AMAQI
3rd Aug 2026121 AMAQI
3rd Aug 2026122 AMAQI
3rd Aug 2026173 AMAQI
29°C24/33°C
3rd Aug 2026174 AMAQI
3rd Aug 2026175 AMAQI
3rd Aug 202686 AMAQI
3rd Aug 202687 AMAQI
3rd Aug 2026128 AMAQI
3rd Aug 2026129 AMAQI
3rd Aug 20261210 AMAQI
3rd Aug 20261811 AMAQI
3rd Aug 20262112 PMAQI
3rd Aug 2026211 PMAQI
3rd Aug 2026312 PMAQI
3rd Aug 2026213 PMAQI
3rd Aug 2026234 PMAQI
3rd Aug 2026125 PMAQI
3rd Aug 2026146 PMAQI
3rd Aug 2026297 PMAQI
3rd Aug 2026408 PMAQI
3rd Aug 2026219 PMAQI
3rd Aug 20262210 PMAQI
3rd Aug 20262711 PMAQI
4th Aug 20263112 AMAQI
4th Aug 2026311 AMAQI
4th Aug 2026312 AMAQI
4th Aug 2026163 AMAQI
25°C23/27°C
4th Aug 2026164 AMAQI
4th Aug 2026145 AMAQI
4th Aug 2026146 AMAQI
4th Aug 2026247 AMAQI
4th Aug 2026298 AMAQI
4th Aug 2026219 AMAQI
4th Aug 20262710 AMAQI
4th Aug 20262511 AMAQI
4th Aug 20262312 PMAQI
4th Aug 2026251 PMAQI
4th Aug 2026232 PMAQI
4th Aug 2026213 PMAQI
4th Aug 2026254 PMAQI
4th Aug 2026255 PMAQI
4th Aug 2026256 PMAQI
4th Aug 2026257 PMAQI
4th Aug 2026218 PMAQI
4th Aug 2026259 PMAQI
4th Aug 20262510 PMAQI
4th Aug 20262711 PMAQI
5th Aug 20262512 AMAQI
5th Aug 2026291 AMAQI
5th Aug 2026232 AMAQI
5th Aug 2026233 AMAQI
25°C21/29°C
5th Aug 2026254 AMAQI
4 AM5th Aug 2026255 AMAQI
5th Aug 2026236 AMAQI
5th Aug 2026257 AMAQI
5th Aug 2026278 AMAQI
5th Aug 2026279 AMAQI
5th Aug 20262310 AMAQI
5th Aug 20262311 AMAQI
11 AM5th Aug 20262112 PMAQI
5th Aug 2026231 PMAQI
5th Aug 2026212 PMAQI
5th Aug 2026233 PMAQI
5th Aug 2026214 PMAQI
5th Aug 2026275 PMAQI
5th Aug 2026216 PMAQI
6 PM5th Aug 2026217 PMAQI
5th Aug 2026258 PMAQI
5th Aug 2026239 PMAQI
5th Aug 20262510 PMAQI
5th Aug 20262111 PMAQI
11 PM3 AM
26°C22/31°C
Day time
Avg. Highest Time
1 PM
40AQI
1 hours / Day
30 hours / Month
Avg. Lowest Time
4 AM - 5 AM
34AQI
2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 1 PM to 1 PM (Avg. 40), while the lowest AQI was between 4 AM to 5 AM (Avg. 34).
Night time
Avg. Highest Time
9 PM
38AQI
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 9 PM to 9 PM (Avg. 38), while the lowest AQI was between 3 AM to 3 AM (Avg. 33).
2026 Days Vs Air Quality
Joso, Ibaraki, Japan
2026
83%
181
17%
36
Total number of days with different AQI categories in last 217 days in 2026 (148 days remaining)
Good
181 DaysModerate
36 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 83%
Health Risk Level:
Low
In 2026, 83% 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
Joso, Ibaraki, 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
15AQI (US)
15AQI (US)
2nd January 2026
19AQI (US)
19AQI (US)
3rd January 2026
20AQI (US)
20AQI (US)
4th January 2026
24AQI (US)
24AQI (US)
5th January 2026
44AQI (US)
44AQI (US)
6th January 2026
16AQI (US)
16AQI (US)
7th January 2026
34AQI (US)
34AQI (US)
8th January 2026
61AQI (US)
61AQI (US)
9th January 2026
44AQI (US)
44AQI (US)
10th January 2026
22AQI (US)
22AQI (US)
11th January 2026
26AQI (US)
26AQI (US)
12th January 2026
18AQI (US)
18AQI (US)
13th January 2026
43AQI (US)
43AQI (US)
14th January 2026
12AQI (US)
12AQI (US)
15th January 2026
31AQI (US)
31AQI (US)
16th January 2026
47AQI (US)
47AQI (US)
17th January 2026
46AQI (US)
46AQI (US)
18th January 2026
24AQI (US)
24AQI (US)
19th January 2026
34AQI (US)
34AQI (US)
20th January 2026
46AQI (US)
46AQI (US)
21st January 2026
15AQI (US)
15AQI (US)
22nd January 2026
20AQI (US)
20AQI (US)
23rd January 2026
37AQI (US)
37AQI (US)
24th January 2026
42AQI (US)
42AQI (US)
25th January 2026
44AQI (US)
44AQI (US)
26th January 2026
27AQI (US)
27AQI (US)
27th January 2026
41AQI (US)
41AQI (US)
28th January 2026
36AQI (US)
36AQI (US)
29th January 2026
20AQI (US)
20AQI (US)
30th January 2026
24AQI (US)
24AQI (US)
31st January 2026
38AQI (US)
38AQI (US)
1st February 2026
39AQI (US)
39AQI (US)
2nd February 2026
29AQI (US)
29AQI (US)
3rd February 2026
19AQI (US)
19AQI (US)
4th February 2026
43AQI (US)
43AQI (US)
5th February 2026
59AQI (US)
59AQI (US)
6th February 2026
65AQI (US)
65AQI (US)
7th February 2026
15AQI (US)
15AQI (US)
8th February 2026
14AQI (US)
14AQI (US)
9th February 2026
36AQI (US)
36AQI (US)
10th February 2026
44AQI (US)
44AQI (US)
11th February 2026
75AQI (US)
75AQI (US)
12th February 2026
31AQI (US)
31AQI (US)
13th February 2026
41AQI (US)
41AQI (US)
14th February 2026
60AQI (US)
60AQI (US)
15th February 2026
81AQI (US)
81AQI (US)
16th February 2026
68AQI (US)
68AQI (US)
17th February 2026
15AQI (US)
15AQI (US)
18th February 2026
30AQI (US)
30AQI (US)
19th February 2026
30AQI (US)
30AQI (US)
20th February 2026
33AQI (US)
33AQI (US)
21st February 2026
38AQI (US)
38AQI (US)
22nd February 2026
39AQI (US)
39AQI (US)
23rd February 2026
35AQI (US)
35AQI (US)
24th February 2026
36AQI (US)
36AQI (US)
25th February 2026
30AQI (US)
30AQI (US)
26th February 2026
24AQI (US)
24AQI (US)
27th February 2026
42AQI (US)
42AQI (US)
28th February 2026
41AQI (US)
41AQI (US)
1st March 2026
35AQI (US)
35AQI (US)
2nd March 2026
64AQI (US)
64AQI (US)
3rd March 2026
42AQI (US)
42AQI (US)
4th March 2026
54AQI (US)
54AQI (US)
5th March 2026
57AQI (US)
57AQI (US)
6th March 2026
52AQI (US)
52AQI (US)
7th March 2026
38AQI (US)
38AQI (US)
8th March 2026
14AQI (US)
14AQI (US)
9th March 2026
39AQI (US)
39AQI (US)
10th March 2026
58AQI (US)
58AQI (US)
11th March 2026
60AQI (US)
60AQI (US)
12th March 2026
66AQI (US)
66AQI (US)
13th March 2026
36AQI (US)
36AQI (US)
14th March 2026
46AQI (US)
46AQI (US)
15th March 2026
57AQI (US)
57AQI (US)
16th March 2026
50AQI (US)
50AQI (US)
17th March 2026
50AQI (US)
50AQI (US)
18th March 2026
51AQI (US)
51AQI (US)
19th March 2026
39AQI (US)
39AQI (US)
20th March 2026
28AQI (US)
28AQI (US)
21st March 2026
46AQI (US)
46AQI (US)
22nd March 2026
50AQI (US)
50AQI (US)
23rd March 2026
53AQI (US)
53AQI (US)
24th March 2026
45AQI (US)
45AQI (US)
25th March 2026
51AQI (US)
51AQI (US)
26th March 2026
28AQI (US)
28AQI (US)
27th March 2026
22AQI (US)
22AQI (US)
28th March 2026
48AQI (US)
48AQI (US)
29th March 2026
58AQI (US)
58AQI (US)
30th March 2026
59AQI (US)
59AQI (US)
31st March 2026
22AQI (US)
22AQI (US)
1st April 2026
20AQI (US)
20AQI (US)
2nd April 2026
34AQI (US)
34AQI (US)
3rd April 2026
47AQI (US)
47AQI (US)
4th April 2026
46AQI (US)
46AQI (US)
5th April 2026
38AQI (US)
38AQI (US)
6th April 2026
26AQI (US)
26AQI (US)
7th April 2026
38AQI (US)
38AQI (US)
8th April 2026
23AQI (US)
23AQI (US)
9th April 2026
28AQI (US)
28AQI (US)
10th April 2026
47AQI (US)
47AQI (US)
11th April 2026
38AQI (US)
38AQI (US)
12th April 2026
30AQI (US)
30AQI (US)
13th April 2026
36AQI (US)
36AQI (US)
14th April 2026
39AQI (US)
39AQI (US)
15th April 2026
38AQI (US)
38AQI (US)
16th April 2026
34AQI (US)
34AQI (US)
17th April 2026
34AQI (US)
34AQI (US)
18th April 2026
32AQI (US)
32AQI (US)
19th April 2026
32AQI (US)
32AQI (US)
20th April 2026
34AQI (US)
34AQI (US)
21st April 2026
38AQI (US)
38AQI (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
50AQI (US)
50AQI (US)
27th April 2026
48AQI (US)
48AQI (US)
28th April 2026
43AQI (US)
43AQI (US)
29th April 2026
38AQI (US)
38AQI (US)
30th April 2026
38AQI (US)
38AQI (US)
1st May 2026
48AQI (US)
48AQI (US)
2nd May 2026
50AQI (US)
50AQI (US)
3rd May 2026
44AQI (US)
44AQI (US)
4th May 2026
31AQI (US)
31AQI (US)
5th May 2026
19AQI (US)
19AQI (US)
6th May 2026
30AQI (US)
30AQI (US)
7th May 2026
30AQI (US)
30AQI (US)
8th May 2026
24AQI (US)
24AQI (US)
9th May 2026
26AQI (US)
26AQI (US)
10th May 2026
28AQI (US)
28AQI (US)
11th May 2026
28AQI (US)
28AQI (US)
12th May 2026
35AQI (US)
35AQI (US)
13th May 2026
38AQI (US)
38AQI (US)
14th May 2026
35AQI (US)
35AQI (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
61AQI (US)
61AQI (US)
21st May 2026
59AQI (US)
59AQI (US)
22nd May 2026
59AQI (US)
59AQI (US)
23rd May 2026
53AQI (US)
53AQI (US)
24th May 2026
57AQI (US)
57AQI (US)
25th May 2026
47AQI (US)
47AQI (US)
26th May 2026
39AQI (US)
39AQI (US)
27th May 2026
25AQI (US)
25AQI (US)
28th May 2026
25AQI (US)
25AQI (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
28AQI (US)
28AQI (US)
2nd June 2026
27AQI (US)
27AQI (US)
3rd June 2026
25AQI (US)
25AQI (US)
4th June 2026
23AQI (US)
23AQI (US)
5th June 2026
22AQI (US)
22AQI (US)
6th June 2026
20AQI (US)
20AQI (US)
7th June 2026
21AQI (US)
21AQI (US)
8th June 2026
21AQI (US)
21AQI (US)
9th June 2026
22AQI (US)
22AQI (US)
10th June 2026
22AQI (US)
22AQI (US)
11th June 2026
24AQI (US)
24AQI (US)
12th June 2026
23AQI (US)
23AQI (US)
13th June 2026
33AQI (US)
33AQI (US)
14th June 2026
55AQI (US)
55AQI (US)
15th June 2026
13AQI (US)
13AQI (US)
16th June 2026
20AQI (US)
20AQI (US)
17th June 2026
24AQI (US)
24AQI (US)
18th June 2026
24AQI (US)
24AQI (US)
19th June 2026
27AQI (US)
27AQI (US)
20th June 2026
22AQI (US)
22AQI (US)
21st June 2026
20AQI (US)
20AQI (US)
22nd June 2026
19AQI (US)
19AQI (US)
23rd June 2026
22AQI (US)
22AQI (US)
24th June 2026
21AQI (US)
21AQI (US)
25th June 2026
27AQI (US)
27AQI (US)
26th June 2026
29AQI (US)
29AQI (US)
27th June 2026
26AQI (US)
26AQI (US)
28th June 2026
27AQI (US)
27AQI (US)
29th June 2026
26AQI (US)
26AQI (US)
30th June 2026
23AQI (US)
23AQI (US)
1st July 2026
43AQI (US)
43AQI (US)
2nd July 2026
22AQI (US)
22AQI (US)
3rd July 2026
14AQI (US)
14AQI (US)
4th July 2026
34AQI (US)
34AQI (US)
5th July 2026
28AQI (US)
28AQI (US)
6th July 2026
26AQI (US)
26AQI (US)
7th July 2026
25AQI (US)
25AQI (US)
8th July 2026
22AQI (US)
22AQI (US)
9th July 2026
24AQI (US)
24AQI (US)
10th July 2026
18AQI (US)
18AQI (US)
11th July 2026
22AQI (US)
22AQI (US)
12th July 2026
26AQI (US)
26AQI (US)
13th July 2026
53AQI (US)
53AQI (US)
14th July 2026
48AQI (US)
48AQI (US)
15th July 2026
55AQI (US)
55AQI (US)
16th July 2026
77AQI (US)
77AQI (US)
17th July 2026
56AQI (US)
56AQI (US)
18th July 2026
16AQI (US)
16AQI (US)
19th July 2026
22AQI (US)
22AQI (US)
20th July 2026
29AQI (US)
29AQI (US)
21st July 2026
50AQI (US)
50AQI (US)
22nd July 2026
63AQI (US)
63AQI (US)
23rd July 2026
57AQI (US)
57AQI (US)
24th July 2026
32AQI (US)
32AQI (US)
25th July 2026
27AQI (US)
27AQI (US)
26th July 2026
29AQI (US)
29AQI (US)
27th July 2026
26AQI (US)
26AQI (US)
28th July 2026
31AQI (US)
31AQI (US)
29th July 2026
31AQI (US)
31AQI (US)
30th July 2026
35AQI (US)
35AQI (US)
31st July 2026
47AQI (US)
47AQI (US)
1st August 2026
59AQI (US)
59AQI (US)
2nd August 2026
44AQI (US)
44AQI (US)
3rd August 2026
18AQI (US)
18AQI (US)
4th August 2026
24AQI (US)
24AQI (US)
5th August 2026
24AQI (US)
24AQI (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
31AQI (US)
40AQI (US)
46AQI (US)
37AQI (US)
41AQI (US)
25AQI (US)
35AQI (US)
34AQI (US)
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202636AQI (US)
30
1
22
6
18
13
30
23
8
29
1
25
6
4
1
181
36
Highest AQI (US) recorded in
March46AQI (US)
Lowest AQI (US) recorded in
June25AQI (US)
202541AQI (US)
28
3
27
1
24
7
26
4
29
2
29
1
23
8
25
6
30
18
13
19
11
17
12
2
295
68
2
Highest AQI (US) recorded in
December50AQI (US)
Lowest AQI (US) recorded in
September33AQI (US)
202441AQI (US)
24
7
25
4
25
6
24
6
25
6
25
5
17
14
29
2
27
3
28
3
25
5
28
3
302
64
Highest AQI (US) recorded in
July53AQI (US)
Lowest AQI (US) recorded in
August32AQI (US)
202342AQI (US)
21
8
1
21
7
24
7
22
8
26
5
20
10
21
10
29
2
29
1
27
4
18
11
14
17
272
90
1
Highest AQI (US) recorded in
December51AQI (US)
Lowest AQI (US) recorded in
August30AQI (US)
202240AQI (US)
22
8
17
4
25
6
23
7
26
5
24
6
18
3
1
25
4
23
8
18
12
25
6
247
69
Highest AQI (US) recorded in
November47AQI (US)
Lowest AQI (US) recorded in
August22AQI (US)
202139AQI (US)
20
9
1
19
9
23
6
27
3
26
5
26
4
31
28
3
29
1
27
4
22
8
17
14
295
66
1
Highest AQI (US) recorded in
December47AQI (US)
Lowest AQI (US) recorded in
August34AQI (US)
202036AQI (US)
11
2
20
1
18
26
4
31
24
7
19
26
5
18
11
1
6
5
1
199
35
2
Highest AQI (US) recorded in
December58AQI (US)
Lowest AQI (US) recorded in
September26AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Most Polluted Year Recorded
2023(Avg.)
42AQI (US)Least Polluted Year Recorded
2020(Avg.)
36AQI (US)Joso's annual 2026 AQI (US) (36) shows an average percentage change of -9.3% (improved AQI (US)) compared to previous years: 2020 (36), 2021 (39), 2022 (40), 2023 (42), 2024 (41), 2025 (41).
