Ojima, Ichikawa, 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
Ojima, Ichikawa, Chiba, Japan
2022
2023
2024
2025
2026
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
1st Aug 2026
62AQILowest AQI recorded on
30th Aug 2024
8AQISame Day Analysis (2nd August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 1st highest AQI at 54 of Moderate air quality on the same day.
Day & Night AQI Trend: 1st Aug - 2nd Aug 2026
Ojima, Ichikawa, Chiba, Japan
AQI
Day
Night
.
4 AM1st Aug 2026
6 PM
3 AM2nd Aug 2026
Day time
Avg. Highest Time
3PM1st Aug
68AQI
Avg. Lowest Time
10AM1st Aug
55AQI
Night time
Avg. Highest Time
1AM2nd Aug
82AQI
Avg. Lowest Time
3AM2nd Aug
48AQI
In the last 24 hours,
Ojima's AQI reached its highest point of 82 at 1 AM during the Night, while the lowest point, 48, was recorded at 3 AM during the Night between 1st Aug and 2nd Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Ojima, Ichikawa, Chiba, Japan
JulAug
04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd
Day
Night
4th Jul 2026624 AMAQI
4th Jul 2026735 AMAQI
4th Jul 2026746 AMAQI
4th Jul 2026687 AMAQI
4th Jul 2026668 AMAQI
4th Jul 2026669 AMAQI
4th Jul 20267010 AMAQI
4th Jul 20266911 AMAQI
4th Jul 20267212 PMAQI
4th Jul 2026561 PMAQI
4th Jul 2026532 PMAQI
4th Jul 2026463 PMAQI
4th Jul 2026334 PMAQI
4th Jul 2026295 PMAQI
4th Jul 2026196 PMAQI
4th Jul 2026177 PMAQI
4th Jul 2026218 PMAQI
4th Jul 2026219 PMAQI
4th Jul 20261210 PMAQI
4th Jul 20261711 PMAQI
5th Jul 20261412 AMAQI
5th Jul 2026171 AMAQI
5th Jul 2026172 AMAQI
5th Jul 2026103 AMAQI
23°C21/25°C
5th Jul 2026174 AMAQI
5th Jul 2026175 AMAQI
5th Jul 2026176 AMAQI
5th Jul 2026127 AMAQI
5th Jul 202688 AMAQI
5th Jul 202689 AMAQI
5th Jul 2026810 AMAQI
5th Jul 20261211 AMAQI
5th Jul 20262312 PMAQI
5th Jul 2026251 PMAQI
5th Jul 2026252 PMAQI
5th Jul 2026293 PMAQI
5th Jul 2026274 PMAQI
5th Jul 2026275 PMAQI
5th Jul 2026256 PMAQI
5th Jul 2026337 PMAQI
5th Jul 2026298 PMAQI
5th Jul 2026319 PMAQI
5th Jul 20263310 PMAQI
5th Jul 20262911 PMAQI
6th Jul 20263112 AMAQI
6th Jul 2026311 AMAQI
6th Jul 2026332 AMAQI
6th Jul 2026213 AMAQI
24°C22/26°C
6th Jul 2026334 AMAQI
6th Jul 2026295 AMAQI
6th Jul 2026296 AMAQI
6th Jul 2026337 AMAQI
6th Jul 2026298 AMAQI
6th Jul 2026299 AMAQI
6th Jul 20262910 AMAQI
6th Jul 20262711 AMAQI
6th Jul 20262612 PMAQI
6th Jul 2026181 PMAQI
6th Jul 2026202 PMAQI
6th Jul 2026223 PMAQI
6th Jul 2026244 PMAQI
6th Jul 2026195 PMAQI
6th Jul 2026196 PMAQI
6th Jul 2026197 PMAQI
6th Jul 2026248 PMAQI
6th Jul 2026269 PMAQI
6th Jul 20262410 PMAQI
6th Jul 20262611 PMAQI
7th Jul 20262812 AMAQI
7th Jul 2026281 AMAQI
7th Jul 2026292 AMAQI
7th Jul 2026283 AMAQI
23°C22/24°C
7th Jul 2026244 AMAQI
7th Jul 2026295 AMAQI
7th Jul 2026286 AMAQI
7th Jul 2026277 AMAQI
7th Jul 2026298 AMAQI
7th Jul 2026249 AMAQI
7th Jul 20262310 AMAQI
7th Jul 20262111 AMAQI
7th Jul 20262112 PMAQI
7th Jul 2026201 PMAQI
7th Jul 2026222 PMAQI
7th Jul 2026263 PMAQI
7th Jul 2026224 PMAQI
7th Jul 2026275 PMAQI
7th Jul 2026266 PMAQI
7th Jul 2026277 PMAQI
7th Jul 2026248 PMAQI
7th Jul 2026249 PMAQI
7th Jul 20262410 PMAQI
7th Jul 20262411 PMAQI
8th Jul 20262812 AMAQI
8th Jul 2026281 AMAQI
8th Jul 2026282 AMAQI
8th Jul 2026173 AMAQI
24°C21/29°C
8th Jul 2026274 AMAQI
8th Jul 2026265 AMAQI
8th Jul 2026286 AMAQI
8th Jul 2026267 AMAQI
8th Jul 2026268 AMAQI
8th Jul 2026259 AMAQI
8th Jul 20262410 AMAQI
8th Jul 20262211 AMAQI
8th Jul 20262312 PMAQI
8th Jul 2026201 PMAQI
8th Jul 2026232 PMAQI
8th Jul 2026263 PMAQI
8th Jul 2026264 PMAQI
8th Jul 2026235 PMAQI
8th Jul 2026226 PMAQI
8th Jul 2026197 PMAQI
8th Jul 2026208 PMAQI
8th Jul 2026209 PMAQI
8th Jul 20261410 PMAQI
8th Jul 20261711 PMAQI
9th Jul 2026812 AMAQI
9th Jul 2026261 AMAQI
9th Jul 2026262 AMAQI
9th Jul 2026183 AMAQI
25°C22/29°C
9th Jul 2026244 AMAQI
9th Jul 2026265 AMAQI
9th Jul 2026246 AMAQI
9th Jul 2026257 AMAQI
9th Jul 2026238 AMAQI
9th Jul 2026229 AMAQI
9th Jul 20262410 AMAQI
9th Jul 20262111 AMAQI
9th Jul 20262012 PMAQI
9th Jul 2026201 PMAQI
9th Jul 2026242 PMAQI
9th Jul 2026253 PMAQI
9th Jul 2026244 PMAQI
9th Jul 2026265 PMAQI
9th Jul 2026266 PMAQI
9th Jul 2026257 PMAQI
9th Jul 2026248 PMAQI
9th Jul 2026239 PMAQI
9th Jul 20262410 PMAQI
9th Jul 20262411 PMAQI
10th Jul 20262612 AMAQI
10th Jul 2026261 AMAQI
10th Jul 2026242 AMAQI
10th Jul 2026253 AMAQI
26°C23/29°C
10th Jul 2026224 AMAQI
10th Jul 2026175 AMAQI
10th Jul 2026266 AMAQI
10th Jul 2026247 AMAQI
10th Jul 2026188 AMAQI
10th Jul 2026269 AMAQI
10th Jul 20262710 AMAQI
10th Jul 20262611 AMAQI
10th Jul 20262512 PMAQI
10th Jul 2026221 PMAQI
10th Jul 2026232 PMAQI
10th Jul 2026213 PMAQI
10th Jul 2026224 PMAQI
10th Jul 2026265 PMAQI
10th Jul 2026256 PMAQI
10th Jul 2026287 PMAQI
10th Jul 2026298 PMAQI
10th Jul 2026289 PMAQI
10th Jul 20262810 PMAQI
10th Jul 20263211 PMAQI
11th Jul 20262012 AMAQI
11th Jul 202681 AMAQI
11th Jul 2026202 AMAQI
11th Jul 202693 AMAQI
26°C24/30°C
11th Jul 202684 AMAQI
11th Jul 2026295 AMAQI
11th Jul 2026306 AMAQI
11th Jul 2026207 AMAQI
11th Jul 2026308 AMAQI
11th Jul 2026319 AMAQI
11th Jul 20263210 AMAQI
11th Jul 20262711 AMAQI
11th Jul 20262612 PMAQI
11th Jul 2026231 PMAQI
11th Jul 2026222 PMAQI
11th Jul 2026193 PMAQI
11th Jul 2026244 PMAQI
11th Jul 2026285 PMAQI
11th Jul 2026286 PMAQI
11th Jul 2026277 PMAQI
11th Jul 2026238 PMAQI
11th Jul 2026289 PMAQI
11th Jul 20262810 PMAQI
11th Jul 20262811 PMAQI
12th Jul 20263112 AMAQI
12th Jul 2026201 AMAQI
12th Jul 2026282 AMAQI
12th Jul 2026283 AMAQI
26°C24/29°C
12th Jul 2026274 AMAQI
12th Jul 2026285 AMAQI
12th Jul 2026266 AMAQI
12th Jul 2026277 AMAQI
12th Jul 2026268 AMAQI
12th Jul 2026289 AMAQI
12th Jul 20262810 AMAQI
12th Jul 20262411 AMAQI
12th Jul 20262612 PMAQI
12th Jul 2026221 PMAQI
12th Jul 2026222 PMAQI
12th Jul 2026223 PMAQI
12th Jul 2026254 PMAQI
12th Jul 2026295 PMAQI
12th Jul 2026266 PMAQI
12th Jul 2026287 PMAQI
12th Jul 2026308 PMAQI
12th Jul 2026319 PMAQI
12th Jul 20263010 PMAQI
12th Jul 20262811 PMAQI
13th Jul 20263012 AMAQI
13th Jul 2026301 AMAQI
13th Jul 2026312 AMAQI
13th Jul 2026643 AMAQI
26°C25/27°C
13th Jul 2026624 AMAQI
13th Jul 2026625 AMAQI
13th Jul 2026596 AMAQI
13th Jul 2026567 AMAQI
13th Jul 2026488 AMAQI
13th Jul 2026449 AMAQI
13th Jul 20265410 AMAQI
13th Jul 20265511 AMAQI
13th Jul 20264012 PMAQI
13th Jul 2026381 PMAQI
13th Jul 2026492 PMAQI
13th Jul 2026723 PMAQI
13th Jul 2026734 PMAQI
13th Jul 2026715 PMAQI
13th Jul 2026786 PMAQI
13th Jul 2026697 PMAQI
13th Jul 2026678 PMAQI
13th Jul 2026589 PMAQI
13th Jul 20265510 PMAQI
13th Jul 20265311 PMAQI
14th Jul 20265312 AMAQI
14th Jul 2026571 AMAQI
14th Jul 2026602 AMAQI
14th Jul 2026623 AMAQI
27°C25/29°C
14th Jul 2026584 AMAQI
14th Jul 2026635 AMAQI
14th Jul 2026626 AMAQI
14th Jul 2026647 AMAQI
14th Jul 2026568 AMAQI
14th Jul 2026499 AMAQI
14th Jul 20264410 AMAQI
14th Jul 20265211 AMAQI
14th Jul 20265012 PMAQI
14th Jul 2026421 PMAQI
14th Jul 2026482 PMAQI
14th Jul 2026543 PMAQI
14th Jul 2026514 PMAQI
14th Jul 2026515 PMAQI
14th Jul 2026546 PMAQI
14th Jul 2026537 PMAQI
14th Jul 2026538 PMAQI
14th Jul 2026309 PMAQI
14th Jul 20263010 PMAQI
14th Jul 20263411 PMAQI
15th Jul 20263212 AMAQI
15th Jul 2026321 AMAQI
15th Jul 2026302 AMAQI
15th Jul 2026303 AMAQI
27°C25/31°C
15th Jul 2026304 AMAQI
15th Jul 2026405 AMAQI
15th Jul 2026446 AMAQI
15th Jul 2026447 AMAQI
15th Jul 2026408 AMAQI
15th Jul 2026539 AMAQI
15th Jul 20264410 AMAQI
15th Jul 20264611 AMAQI
15th Jul 20265412 PMAQI
15th Jul 2026551 PMAQI
15th Jul 2026562 PMAQI
15th Jul 2026553 PMAQI
15th Jul 2026534 PMAQI
15th Jul 2026465 PMAQI
15th Jul 2026516 PMAQI
15th Jul 2026537 PMAQI
15th Jul 2026528 PMAQI
15th Jul 2026519 PMAQI
15th Jul 20264610 PMAQI
15th Jul 20264411 PMAQI
16th Jul 20264012 AMAQI
16th Jul 2026421 AMAQI
16th Jul 2026422 AMAQI
16th Jul 2026303 AMAQI
28°C26/31°C
16th Jul 2026654 AMAQI
16th Jul 2026665 AMAQI
16th Jul 2026676 AMAQI
16th Jul 2026647 AMAQI
16th Jul 2026718 AMAQI
16th Jul 2026729 AMAQI
16th Jul 20267010 AMAQI
16th Jul 20267111 AMAQI
16th Jul 20266512 PMAQI
16th Jul 2026701 PMAQI
16th Jul 2026842 PMAQI
16th Jul 2026853 PMAQI
16th Jul 2026884 PMAQI
16th Jul 2026965 PMAQI
16th Jul 2026956 PMAQI
16th Jul 2026747 PMAQI
16th Jul 2026748 PMAQI
16th Jul 2026769 PMAQI
16th Jul 20269010 PMAQI
16th Jul 20268011 PMAQI
17th Jul 20267212 AMAQI
17th Jul 2026651 AMAQI
17th Jul 2026552 AMAQI
17th Jul 2026513 AMAQI
29°C27/33°C
17th Jul 2026514 AMAQI
17th Jul 2026465 AMAQI
17th Jul 2026486 AMAQI
17th Jul 2026517 AMAQI
17th Jul 2026528 AMAQI
17th Jul 2026559 AMAQI
17th Jul 20265910 AMAQI
17th Jul 20266411 AMAQI
17th Jul 20266212 PMAQI
17th Jul 2026691 PMAQI
17th Jul 2026782 PMAQI
17th Jul 2026603 PMAQI
17th Jul 2026504 PMAQI
17th Jul 2026445 PMAQI
17th Jul 2026466 PMAQI
17th Jul 2026597 PMAQI
17th Jul 2026578 PMAQI
17th Jul 2026549 PMAQI
17th Jul 20265610 PMAQI
17th Jul 20265411 PMAQI
18th Jul 20264612 AMAQI
18th Jul 2026331 AMAQI
18th Jul 2026312 AMAQI
18th Jul 2026363 AMAQI
28°C26/30°C
18th Jul 2026314 AMAQI
18th Jul 2026315 AMAQI
18th Jul 2026216 AMAQI
18th Jul 2026277 AMAQI
18th Jul 2026178 AMAQI
18th Jul 2026199 AMAQI
18th Jul 20261910 AMAQI
18th Jul 20262511 AMAQI
18th Jul 20262712 PMAQI
18th Jul 2026121 PMAQI
18th Jul 2026122 PMAQI
18th Jul 202683 PMAQI
18th Jul 2026194 PMAQI
18th Jul 2026195 PMAQI
18th Jul 2026176 PMAQI
18th Jul 2026147 PMAQI
18th Jul 2026198 PMAQI
18th Jul 2026179 PMAQI
18th Jul 20261410 PMAQI
18th Jul 20261211 PMAQI
19th Jul 20261012 AMAQI
19th Jul 2026101 AMAQI
19th Jul 202682 AMAQI
19th Jul 202683 AMAQI
27°C25/30°C
19th Jul 202684 AMAQI
19th Jul 2026105 AMAQI
19th Jul 202686 AMAQI
19th Jul 2026107 AMAQI
19th Jul 2026128 AMAQI
19th Jul 2026109 AMAQI
19th Jul 20261010 AMAQI
19th Jul 20261211 AMAQI
19th Jul 20261912 PMAQI
19th Jul 2026171 PMAQI
19th Jul 2026252 PMAQI
19th Jul 2026233 PMAQI
19th Jul 2026234 PMAQI
19th Jul 2026235 PMAQI
19th Jul 2026216 PMAQI
19th Jul 2026297 PMAQI
19th Jul 2026278 PMAQI
19th Jul 2026279 PMAQI
19th Jul 20262910 PMAQI
19th Jul 20262511 PMAQI
20th Jul 20263312 AMAQI
20th Jul 2026331 AMAQI
20th Jul 2026402 AMAQI
20th Jul 2026213 AMAQI
27°C25/30°C
20th Jul 2026214 AMAQI
20th Jul 2026215 AMAQI
20th Jul 2026236 AMAQI
20th Jul 2026257 AMAQI
20th Jul 2026278 AMAQI
20th Jul 2026299 AMAQI
20th Jul 20262710 AMAQI
20th Jul 20262511 AMAQI
20th Jul 20262512 PMAQI
20th Jul 2026251 PMAQI
20th Jul 2026552 PMAQI
20th Jul 2026513 PMAQI
20th Jul 2026524 PMAQI
20th Jul 2026545 PMAQI
20th Jul 2026566 PMAQI
20th Jul 2026547 PMAQI
20th Jul 2026578 PMAQI
20th Jul 2026469 PMAQI
20th Jul 20264410 PMAQI
20th Jul 20264611 PMAQI
21st Jul 20265012 AMAQI
21st Jul 2026501 AMAQI
21st Jul 2026382 AMAQI
21st Jul 2026333 AMAQI
29°C26/33°C
21st Jul 2026324 AMAQI
21st Jul 2026275 AMAQI
21st Jul 2026296 AMAQI
21st Jul 2026317 AMAQI
21st Jul 2026338 AMAQI
21st Jul 2026389 AMAQI
21st Jul 20264210 AMAQI
21st Jul 20264811 AMAQI
21st Jul 2026621 PMAQI
21st Jul 2026642 PMAQI
21st Jul 2026673 PMAQI
21st Jul 2026624 PMAQI
21st Jul 2026575 PMAQI
21st Jul 2026606 PMAQI
21st Jul 2026967 PMAQI
21st Jul 2026588 PMAQI
21st Jul 2026559 PMAQI
21st Jul 20265510 PMAQI
21st Jul 20265711 PMAQI
22nd Jul 20266012 AMAQI
22nd Jul 2026581 AMAQI
22nd Jul 2026592 AMAQI
22nd Jul 2026643 AMAQI
30°C27/33°C
22nd Jul 2026664 AMAQI
22nd Jul 2026625 AMAQI
22nd Jul 2026656 AMAQI
22nd Jul 2026627 AMAQI
22nd Jul 2026628 AMAQI
22nd Jul 2026649 AMAQI
22nd Jul 20266610 AMAQI
22nd Jul 20267611 AMAQI
22nd Jul 20267812 PMAQI
22nd Jul 2026821 PMAQI
22nd Jul 2026762 PMAQI
22nd Jul 2026823 PMAQI
22nd Jul 2026714 PMAQI
22nd Jul 2026715 PMAQI
22nd Jul 2026736 PMAQI
22nd Jul 2026747 PMAQI
22nd Jul 2026738 PMAQI
22nd Jul 2026809 PMAQI
22nd Jul 20268110 PMAQI
22nd Jul 20268811 PMAQI
23rd Jul 20268512 AMAQI
23rd Jul 2026701 AMAQI
23rd Jul 2026662 AMAQI
23rd Jul 2026693 AMAQI
30°C27/33°C
23rd Jul 2026644 AMAQI
23rd Jul 2026625 AMAQI
23rd Jul 2026686 AMAQI
23rd Jul 2026667 AMAQI
23rd Jul 2026688 AMAQI
23rd Jul 2026659 AMAQI
23rd Jul 20266610 AMAQI
23rd Jul 20266911 AMAQI
23rd Jul 20267212 PMAQI
23rd Jul 2026701 PMAQI
23rd Jul 2026822 PMAQI
23rd Jul 2026843 PMAQI
23rd Jul 2026804 PMAQI
23rd Jul 2026765 PMAQI
23rd Jul 2026736 PMAQI
23rd Jul 2026717 PMAQI
23rd Jul 2026608 PMAQI
23rd Jul 2026499 PMAQI
23rd Jul 20263310 PMAQI
23rd Jul 20263811 PMAQI
24th Jul 20262912 AMAQI
24th Jul 2026311 AMAQI
24th Jul 2026272 AMAQI
24th Jul 2026273 AMAQI
31°C28/37°C
24th Jul 2026254 AMAQI
24th Jul 2026275 AMAQI
24th Jul 2026256 AMAQI
24th Jul 2026257 AMAQI
24th Jul 2026258 AMAQI
24th Jul 2026279 AMAQI
24th Jul 20262910 AMAQI
24th Jul 20265111 AMAQI
24th Jul 20266012 PMAQI
24th Jul 2026711 PMAQI
24th Jul 2026672 PMAQI
24th Jul 2026663 PMAQI
24th Jul 2026794 PMAQI
24th Jul 2026665 PMAQI
24th Jul 2026596 PMAQI
24th Jul 2026607 PMAQI
24th Jul 2026468 PMAQI
24th Jul 2026469 PMAQI
24th Jul 20265010 PMAQI
24th Jul 20265111 PMAQI
25th Jul 20265312 AMAQI
25th Jul 2026601 AMAQI
25th Jul 2026562 AMAQI
25th Jul 2026573 AMAQI
29°C27/32°C
25th Jul 2026384 AMAQI
25th Jul 2026385 AMAQI
25th Jul 2026256 AMAQI
25th Jul 2026297 AMAQI
25th Jul 2026238 AMAQI
25th Jul 2026259 AMAQI
25th Jul 20262710 AMAQI
25th Jul 20263311 AMAQI
25th Jul 20265712 PMAQI
25th Jul 2026521 PMAQI
25th Jul 2026532 PMAQI
25th Jul 2026563 PMAQI
25th Jul 2026634 PMAQI
25th Jul 2026635 PMAQI
25th Jul 2026236 PMAQI
25th Jul 2026237 PMAQI
25th Jul 2026178 PMAQI
25th Jul 2026129 PMAQI
25th Jul 20261210 PMAQI
25th Jul 20262111 PMAQI
26th Jul 20261212 AMAQI
26th Jul 2026121 AMAQI
26th Jul 2026142 AMAQI
26th Jul 2026173 AMAQI
29°C24/33°C
26th Jul 2026124 AMAQI
26th Jul 2026125 AMAQI
26th Jul 2026126 AMAQI
26th Jul 202687 AMAQI
26th Jul 2026128 AMAQI
26th Jul 2026129 AMAQI
26th Jul 20262110 AMAQI
26th Jul 20262511 AMAQI
26th Jul 20262512 PMAQI
26th Jul 2026461 PMAQI
26th Jul 2026512 PMAQI
26th Jul 2026643 PMAQI
26th Jul 2026384 PMAQI
26th Jul 2026175 PMAQI
26th Jul 2026276 PMAQI
26th Jul 2026447 PMAQI
26th Jul 2026338 PMAQI
26th Jul 2026319 PMAQI
26th Jul 20262310 PMAQI
26th Jul 20262511 PMAQI
27th Jul 20262512 AMAQI
27th Jul 2026231 AMAQI
27th Jul 2026252 AMAQI
27th Jul 2026253 AMAQI
27°C25/31°C
27th Jul 2026214 AMAQI
27th Jul 2026215 AMAQI
27th Jul 2026216 AMAQI
27th Jul 2026237 AMAQI
27th Jul 2026218 AMAQI
27th Jul 2026219 AMAQI
27th Jul 20262110 AMAQI
27th Jul 20262511 AMAQI
27th Jul 20262112 PMAQI
27th Jul 2026251 PMAQI
27th Jul 2026252 PMAQI
27th Jul 2026253 PMAQI
27th Jul 2026314 PMAQI
27th Jul 2026275 PMAQI
27th Jul 2026236 PMAQI
27th Jul 2026257 PMAQI
27th Jul 2026258 PMAQI
27th Jul 2026219 PMAQI
27th Jul 20262510 PMAQI
27th Jul 20262111 PMAQI
28th Jul 20262512 AMAQI
28th Jul 2026251 AMAQI
28th Jul 2026292 AMAQI
28th Jul 2026293 AMAQI
26°C24/29°C
28th Jul 2026254 AMAQI
28th Jul 2026255 AMAQI
28th Jul 2026296 AMAQI
28th Jul 2026257 AMAQI
28th Jul 2026258 AMAQI
28th Jul 2026259 AMAQI
28th Jul 20262610 AMAQI
28th Jul 20262511 AMAQI
28th Jul 20264212 PMAQI
28th Jul 2026551 PMAQI
28th Jul 2026602 PMAQI
28th Jul 2026603 PMAQI
28th Jul 2026534 PMAQI
28th Jul 2026335 PMAQI
28th Jul 2026336 PMAQI
28th Jul 2026317 PMAQI
28th Jul 2026278 PMAQI
28th Jul 2026259 PMAQI
28th Jul 20262910 PMAQI
28th Jul 20263811 PMAQI
29th Jul 20265312 AMAQI
29th Jul 2026541 AMAQI
29th Jul 2026532 AMAQI
29th Jul 2026383 AMAQI
26°C24/29°C
29th Jul 2026564 AMAQI
29th Jul 2026525 AMAQI
29th Jul 2026516 AMAQI
29th Jul 2026467 AMAQI
29th Jul 2026388 AMAQI
29th Jul 2026389 AMAQI
29th Jul 20263610 AMAQI
29th Jul 20262911 AMAQI
29th Jul 20262712 PMAQI
29th Jul 2026211 PMAQI
29th Jul 2026252 PMAQI
29th Jul 2026293 PMAQI
29th Jul 2026214 PMAQI
29th Jul 2026235 PMAQI
29th Jul 2026256 PMAQI
29th Jul 2026217 PMAQI
29th Jul 2026238 PMAQI
29th Jul 2026259 PMAQI
29th Jul 20262110 PMAQI
29th Jul 20262111 PMAQI
30th Jul 20262512 AMAQI
30th Jul 2026211 AMAQI
30th Jul 2026212 AMAQI
30th Jul 2026253 AMAQI
29°C25/34°C
30th Jul 2026214 AMAQI
30th Jul 2026235 AMAQI
30th Jul 2026256 AMAQI
30th Jul 2026257 AMAQI
30th Jul 2026258 AMAQI
30th Jul 2026239 AMAQI
30th Jul 20262310 AMAQI
30th Jul 20262711 AMAQI
30th Jul 20263112 PMAQI
30th Jul 2026421 PMAQI
30th Jul 2026502 PMAQI
30th Jul 2026523 PMAQI
30th Jul 2026554 PMAQI
30th Jul 2026605 PMAQI
30th Jul 2026606 PMAQI
30th Jul 2026767 PMAQI
30th Jul 2026528 PMAQI
30th Jul 2026609 PMAQI
30th Jul 20263810 PMAQI
30th Jul 20264911 PMAQI
31st Jul 20265612 AMAQI
31st Jul 2026571 AMAQI
31st Jul 2026422 AMAQI
31st Jul 2026363 AMAQI
30°C28/34°C
31st Jul 2026254 AMAQI
31st Jul 2026365 AMAQI
31st Jul 2026316 AMAQI
31st Jul 2026467 AMAQI
31st Jul 2026468 AMAQI
31st Jul 2026489 AMAQI
31st Jul 20264410 AMAQI
31st Jul 20265311 AMAQI
31st Jul 20265112 PMAQI
31st Jul 2026521 PMAQI
31st Jul 2026512 PMAQI
31st Jul 2026553 PMAQI
31st Jul 2026554 PMAQI
31st Jul 2026535 PMAQI
31st Jul 2026526 PMAQI
31st Jul 2026567 PMAQI
31st Jul 2026818 PMAQI
31st Jul 2026589 PMAQI
31st Jul 20264410 PMAQI
31st Jul 20265011 PMAQI
1st Aug 20265312 AMAQI
1st Aug 2026511 AMAQI
1st Aug 2026552 AMAQI
1st Aug 2026423 AMAQI
30°C28/34°C
1st Aug 2026584 AMAQI
1st Aug 2026575 AMAQI
1st Aug 2026586 AMAQI
1st Aug 2026587 AMAQI
1st Aug 2026568 AMAQI
1st Aug 2026569 AMAQI
1st Aug 20265510 AMAQI
1st Aug 20266311 AMAQI
1st Aug 20265912 PMAQI
1st Aug 2026651 PMAQI
1st Aug 2026662 PMAQI
1st Aug 2026683 PMAQI
1st Aug 2026664 PMAQI
1st Aug 2026685 PMAQI
1st Aug 2026686 PMAQI
1st Aug 2026677 PMAQI
1st Aug 2026688 PMAQI
1st Aug 2026719 PMAQI
1st Aug 20267410 PMAQI
1st Aug 20267611 PMAQI
2nd Aug 20268012 AMAQI
2nd Aug 2026821 AMAQI
2nd Aug 2026822 AMAQI
2nd Aug 2026483 AMAQI
30°C27/34°C
2nd Aug 2026784 AMAQI
4 AM2nd Aug 2026845 AMAQI
2nd Aug 2026836 AMAQI
2nd Aug 2026797 AMAQI
2nd Aug 2026638 AMAQI
2nd Aug 2026589 AMAQI
2nd Aug 20265810 AMAQI
2nd Aug 20265711 AMAQI
11 AM2nd Aug 20267312 PMAQI
2nd Aug 2026621 PMAQI
2nd Aug 2026552 PMAQI
2nd Aug 2026523 PMAQI
2nd Aug 2026524 PMAQI
2nd Aug 2026505 PMAQI
2nd Aug 2026316 PMAQI
6 PM2nd Aug 2026237 PMAQI
2nd Aug 2026178 PMAQI
2nd Aug 202689 PMAQI
2nd Aug 2026810 PMAQI
2nd Aug 20261211 PMAQI
11 PM3 AM
29°C25/33°C
Day time
Avg. Highest Time
2 PM - 3 PM
47AQI
2 hours / Day
60 hours / Month
Avg. Lowest Time
4 AM
36AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 2 PM to 3 PM (Avg. 47), while the lowest AQI was between 4 AM to 4 AM (Avg. 36).
Night time
Avg. Highest Time
7 PM
43AQI
1 hours / Day
30 hours / Month
Avg. Lowest Time
3 AM
34AQI
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. 43), while the lowest AQI was between 3 AM to 3 AM (Avg. 34).
2026 Days Vs Air Quality
Ojima, Ichikawa, Chiba, Japan
2026
84%
179
16%
35
Total number of days with different AQI categories in last 214 days in 2026 (151 days remaining)
Good
179 DaysModerate
35 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 84%
Health Risk Level:
Low
In 2026, 84% of 214 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
Ojima, Ichikawa, 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
15AQI (US)
15AQI (US)
2nd January 2026
18AQI (US)
18AQI (US)
3rd January 2026
14AQI (US)
14AQI (US)
4th January 2026
22AQI (US)
22AQI (US)
5th January 2026
53AQI (US)
53AQI (US)
6th January 2026
16AQI (US)
16AQI (US)
7th January 2026
30AQI (US)
30AQI (US)
8th January 2026
44AQI (US)
44AQI (US)
9th January 2026
16AQI (US)
16AQI (US)
10th January 2026
44AQI (US)
44AQI (US)
11th January 2026
31AQI (US)
31AQI (US)
12th January 2026
17AQI (US)
17AQI (US)
13th January 2026
36AQI (US)
36AQI (US)
14th January 2026
16AQI (US)
16AQI (US)
15th January 2026
29AQI (US)
29AQI (US)
16th January 2026
48AQI (US)
48AQI (US)
17th January 2026
52AQI (US)
52AQI (US)
18th January 2026
26AQI (US)
26AQI (US)
19th January 2026
44AQI (US)
44AQI (US)
20th January 2026
43AQI (US)
43AQI (US)
21st January 2026
12AQI (US)
12AQI (US)
22nd January 2026
21AQI (US)
21AQI (US)
23rd January 2026
41AQI (US)
41AQI (US)
24th January 2026
42AQI (US)
42AQI (US)
25th January 2026
43AQI (US)
43AQI (US)
26th January 2026
24AQI (US)
24AQI (US)
27th January 2026
45AQI (US)
45AQI (US)
28th January 2026
19AQI (US)
19AQI (US)
29th January 2026
20AQI (US)
20AQI (US)
30th January 2026
38AQI (US)
38AQI (US)
31st January 2026
38AQI (US)
38AQI (US)
1st February 2026
41AQI (US)
41AQI (US)
2nd February 2026
49AQI (US)
49AQI (US)
3rd February 2026
28AQI (US)
28AQI (US)
4th February 2026
40AQI (US)
40AQI (US)
5th February 2026
63AQI (US)
63AQI (US)
6th February 2026
63AQI (US)
63AQI (US)
7th February 2026
14AQI (US)
14AQI (US)
8th February 2026
12AQI (US)
12AQI (US)
9th February 2026
34AQI (US)
34AQI (US)
10th February 2026
41AQI (US)
41AQI (US)
11th February 2026
51AQI (US)
51AQI (US)
12th February 2026
29AQI (US)
29AQI (US)
13th February 2026
48AQI (US)
48AQI (US)
14th February 2026
66AQI (US)
66AQI (US)
15th February 2026
64AQI (US)
64AQI (US)
16th February 2026
47AQI (US)
47AQI (US)
17th February 2026
16AQI (US)
16AQI (US)
18th February 2026
38AQI (US)
38AQI (US)
19th February 2026
17AQI (US)
17AQI (US)
20th February 2026
27AQI (US)
27AQI (US)
21st February 2026
50AQI (US)
50AQI (US)
22nd February 2026
51AQI (US)
51AQI (US)
23rd February 2026
43AQI (US)
43AQI (US)
24th February 2026
45AQI (US)
45AQI (US)
25th February 2026
36AQI (US)
36AQI (US)
26th February 2026
15AQI (US)
15AQI (US)
27th February 2026
30AQI (US)
30AQI (US)
28th February 2026
24AQI (US)
24AQI (US)
1st March 2026
19AQI (US)
19AQI (US)
2nd March 2026
61AQI (US)
61AQI (US)
3rd March 2026
45AQI (US)
45AQI (US)
4th March 2026
48AQI (US)
48AQI (US)
5th March 2026
49AQI (US)
49AQI (US)
6th March 2026
50AQI (US)
50AQI (US)
7th March 2026
42AQI (US)
42AQI (US)
8th March 2026
34AQI (US)
34AQI (US)
9th March 2026
42AQI (US)
42AQI (US)
10th March 2026
57AQI (US)
57AQI (US)
11th March 2026
56AQI (US)
56AQI (US)
12th March 2026
63AQI (US)
63AQI (US)
13th March 2026
37AQI (US)
37AQI (US)
14th March 2026
45AQI (US)
45AQI (US)
15th March 2026
56AQI (US)
56AQI (US)
16th March 2026
47AQI (US)
47AQI (US)
17th March 2026
46AQI (US)
46AQI (US)
18th March 2026
49AQI (US)
49AQI (US)
19th March 2026
37AQI (US)
37AQI (US)
20th March 2026
30AQI (US)
30AQI (US)
21st March 2026
57AQI (US)
57AQI (US)
22nd March 2026
47AQI (US)
47AQI (US)
23rd March 2026
49AQI (US)
49AQI (US)
24th March 2026
48AQI (US)
48AQI (US)
25th March 2026
62AQI (US)
62AQI (US)
26th March 2026
29AQI (US)
29AQI (US)
27th March 2026
29AQI (US)
29AQI (US)
28th March 2026
50AQI (US)
50AQI (US)
29th March 2026
50AQI (US)
50AQI (US)
30th March 2026
55AQI (US)
55AQI (US)
31st March 2026
26AQI (US)
26AQI (US)
1st April 2026
27AQI (US)
27AQI (US)
2nd April 2026
32AQI (US)
32AQI (US)
3rd April 2026
45AQI (US)
45AQI (US)
4th April 2026
47AQI (US)
47AQI (US)
5th April 2026
38AQI (US)
38AQI (US)
6th April 2026
30AQI (US)
30AQI (US)
7th April 2026
26AQI (US)
26AQI (US)
8th April 2026
21AQI (US)
21AQI (US)
9th April 2026
28AQI (US)
28AQI (US)
10th April 2026
46AQI (US)
46AQI (US)
11th April 2026
55AQI (US)
55AQI (US)
12th April 2026
35AQI (US)
35AQI (US)
13th April 2026
44AQI (US)
44AQI (US)
14th April 2026
40AQI (US)
40AQI (US)
15th April 2026
36AQI (US)
36AQI (US)
16th April 2026
34AQI (US)
34AQI (US)
17th April 2026
34AQI (US)
34AQI (US)
18th April 2026
31AQI (US)
31AQI (US)
19th April 2026
33AQI (US)
33AQI (US)
20th April 2026
31AQI (US)
31AQI (US)
21st April 2026
35AQI (US)
35AQI (US)
22nd April 2026
46AQI (US)
46AQI (US)
23rd April 2026
40AQI (US)
40AQI (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
43AQI (US)
43AQI (US)
29th April 2026
40AQI (US)
40AQI (US)
30th April 2026
35AQI (US)
35AQI (US)
1st May 2026
47AQI (US)
47AQI (US)
2nd May 2026
49AQI (US)
49AQI (US)
3rd May 2026
52AQI (US)
52AQI (US)
4th May 2026
34AQI (US)
34AQI (US)
5th May 2026
19AQI (US)
19AQI (US)
6th May 2026
29AQI (US)
29AQI (US)
7th May 2026
29AQI (US)
29AQI (US)
8th May 2026
26AQI (US)
26AQI (US)
9th May 2026
26AQI (US)
26AQI (US)
10th May 2026
31AQI (US)
31AQI (US)
11th May 2026
29AQI (US)
29AQI (US)
12th May 2026
33AQI (US)
33AQI (US)
13th May 2026
38AQI (US)
38AQI (US)
14th May 2026
33AQI (US)
33AQI (US)
15th May 2026
34AQI (US)
34AQI (US)
16th May 2026
85AQI (US)
85AQI (US)
17th May 2026
68AQI (US)
68AQI (US)
18th May 2026
53AQI (US)
53AQI (US)
19th May 2026
49AQI (US)
49AQI (US)
20th May 2026
62AQI (US)
62AQI (US)
21st May 2026
58AQI (US)
58AQI (US)
22nd May 2026
60AQI (US)
60AQI (US)
23rd May 2026
53AQI (US)
53AQI (US)
24th May 2026
57AQI (US)
57AQI (US)
25th May 2026
48AQI (US)
48AQI (US)
26th May 2026
39AQI (US)
39AQI (US)
27th May 2026
24AQI (US)
24AQI (US)
28th May 2026
25AQI (US)
25AQI (US)
29th May 2026
24AQI (US)
24AQI (US)
30th May 2026
23AQI (US)
23AQI (US)
31st May 2026
26AQI (US)
26AQI (US)
1st June 2026
40AQI (US)
40AQI (US)
2nd June 2026
20AQI (US)
20AQI (US)
3rd June 2026
14AQI (US)
14AQI (US)
4th June 2026
22AQI (US)
22AQI (US)
5th June 2026
22AQI (US)
22AQI (US)
6th June 2026
21AQI (US)
21AQI (US)
7th June 2026
21AQI (US)
21AQI (US)
8th June 2026
20AQI (US)
20AQI (US)
9th June 2026
23AQI (US)
23AQI (US)
10th June 2026
22AQI (US)
22AQI (US)
11th June 2026
23AQI (US)
23AQI (US)
12th June 2026
23AQI (US)
23AQI (US)
13th June 2026
41AQI (US)
41AQI (US)
14th June 2026
47AQI (US)
47AQI (US)
15th June 2026
12AQI (US)
12AQI (US)
16th June 2026
21AQI (US)
21AQI (US)
17th June 2026
23AQI (US)
23AQI (US)
18th June 2026
23AQI (US)
23AQI (US)
19th June 2026
25AQI (US)
25AQI (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
20AQI (US)
20AQI (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
25AQI (US)
25AQI (US)
28th June 2026
27AQI (US)
27AQI (US)
29th June 2026
24AQI (US)
24AQI (US)
30th June 2026
24AQI (US)
24AQI (US)
1st July 2026
40AQI (US)
40AQI (US)
2nd July 2026
36AQI (US)
36AQI (US)
3rd July 2026
18AQI (US)
18AQI (US)
4th July 2026
48AQI (US)
48AQI (US)
5th July 2026
21AQI (US)
21AQI (US)
6th July 2026
26AQI (US)
26AQI (US)
7th July 2026
25AQI (US)
25AQI (US)
8th July 2026
23AQI (US)
23AQI (US)
9th July 2026
23AQI (US)
23AQI (US)
10th July 2026
25AQI (US)
25AQI (US)
11th July 2026
24AQI (US)
24AQI (US)
12th July 2026
27AQI (US)
27AQI (US)
13th July 2026
55AQI (US)
55AQI (US)
14th July 2026
51AQI (US)
51AQI (US)
15th July 2026
45AQI (US)
45AQI (US)
16th July 2026
70AQI (US)
70AQI (US)
17th July 2026
57AQI (US)
57AQI (US)
18th July 2026
22AQI (US)
22AQI (US)
19th July 2026
17AQI (US)
17AQI (US)
20th July 2026
37AQI (US)
37AQI (US)
21st July 2026
50AQI (US)
50AQI (US)
22nd July 2026
71AQI (US)
71AQI (US)
23rd July 2026
67AQI (US)
67AQI (US)
24th July 2026
45AQI (US)
45AQI (US)
25th July 2026
38AQI (US)
38AQI (US)
26th July 2026
25AQI (US)
25AQI (US)
27th July 2026
24AQI (US)
24AQI (US)
28th July 2026
33AQI (US)
33AQI (US)
29th July 2026
34AQI (US)
34AQI (US)
30th July 2026
38AQI (US)
38AQI (US)
31st July 2026
49AQI (US)
49AQI (US)
1st August 2026
62AQI (US)
62AQI (US)
2nd August 2026
54AQI (US)
54AQI (US)
3rd August 2026
4th August 2026
5th August 2026
6th August 2026
7th August 2026
8th August 2026
9th August 2026
10th August 2026
11th August 2026
12th August 2026
13th August 2026
14th August 2026
15th August 2026
16th August 2026
17th August 2026
18th August 2026
19th August 2026
20th August 2026
21st August 2026
22nd August 2026
23rd August 2026
24th August 2026
25th August 2026
26th August 2026
27th August 2026
28th August 2026
29th August 2026
30th August 2026
31st August 2026
1st September 2026
2nd September 2026
3rd September 2026
4th September 2026
5th September 2026
6th September 2026
7th September 2026
8th September 2026
9th September 2026
10th September 2026
11th September 2026
12th September 2026
13th September 2026
14th September 2026
15th September 2026
16th September 2026
17th September 2026
18th September 2026
19th September 2026
20th September 2026
21st September 2026
22nd September 2026
23rd September 2026
24th September 2026
25th September 2026
26th September 2026
27th September 2026
28th September 2026
29th September 2026
30th September 2026
1st October 2026
2nd October 2026
3rd October 2026
4th October 2026
5th October 2026
6th October 2026
7th October 2026
8th October 2026
9th October 2026
10th October 2026
11th October 2026
12th October 2026
13th October 2026
14th October 2026
15th October 2026
16th October 2026
17th October 2026
18th October 2026
19th October 2026
20th October 2026
21st October 2026
22nd October 2026
23rd October 2026
24th October 2026
25th October 2026
26th October 2026
27th October 2026
28th October 2026
29th October 2026
30th October 2026
31st October 2026
1st November 2026
2nd November 2026
3rd November 2026
4th November 2026
5th November 2026
6th November 2026
7th November 2026
8th November 2026
9th November 2026
10th November 2026
11th November 2026
12th November 2026
13th November 2026
14th November 2026
15th November 2026
16th November 2026
17th November 2026
18th November 2026
19th November 2026
20th November 2026
21st November 2026
22nd November 2026
23rd November 2026
24th November 2026
25th November 2026
26th November 2026
27th November 2026
28th November 2026
29th November 2026
30th November 2026
1st December 2026
2nd December 2026
3rd December 2026
4th December 2026
5th December 2026
6th December 2026
7th December 2026
8th December 2026
9th December 2026
10th December 2026
11th December 2026
12th December 2026
13th December 2026
14th December 2026
15th December 2026
16th December 2026
17th December 2026
18th December 2026
19th December 2026
20th December 2026
21st December 2026
22nd December 2026
23rd December 2026
24th December 2026
25th December 2026
26th December 2026
27th December 2026
28th December 2026
29th December 2026
30th December 2026
31st December 2026
31AQI (US)
39AQI (US)
46AQI (US)
38AQI (US)
41AQI (US)
24AQI (US)
38AQI (US)
58AQI (US)
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202637AQI (US)
29
2
22
6
23
8
28
2
22
9
30
25
6
2
179
35
Highest AQI (US) recorded in
August58AQI (US)
Lowest AQI (US) recorded in
June24AQI (US)
202536AQI (US)
31
28
29
2
30
31
30
23
8
20
11
30
16
15
15
15
15
16
298
67
Highest AQI (US) recorded in
December49AQI (US)
Lowest AQI (US) recorded in
May21AQI (US)
202431AQI (US)
27
4
29
31
29
1
30
1
30
25
6
31
30
31
29
1
31
353
13
Highest AQI (US) recorded in
July40AQI (US)
Lowest AQI (US) recorded in
September23AQI (US)
202330AQI (US)
31
28
27
4
25
5
29
2
28
2
31
31
30
31
28
1
31
350
14
Highest AQI (US) recorded in
April41AQI (US)
Lowest AQI (US) recorded in
August16AQI (US)
202230AQI (US)
29
20
1
30
1
28
1
30
1
29
1
20
1
1
28
31
30
29
2
305
8
Highest AQI (US) recorded in
April35AQI (US)
Lowest AQI (US) recorded in
August23AQI (US)
202121AQI (US)
31
28
30
1
30
30
1
30
30
1
29
2
30
30
1
30
30
1
358
7
Highest AQI (US) recorded in
June31AQI (US)
Lowest AQI (US) recorded in
January12AQI (US)
202015AQI (US)
13
21
18
30
31
31
19
31
29
1
31
254
1
Highest AQI (US) recorded in
August25AQI (US)
Lowest AQI (US) recorded in
April10AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Most Polluted Year Recorded
2026(Avg.)
37AQI (US)Least Polluted Year Recorded
2020(Avg.)
15AQI (US)Ojima's annual 2026 AQI (US) (37) shows an average percentage change of 48.6% (worsened AQI (US)) compared to previous years: 2020 (15), 2021 (21), 2022 (30), 2023 (30), 2024 (31), 2025 (36).
