Kouchi, Oiso, Kanagawa, 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
Kouchi, Oiso, Kanagawa, Japan
2022
2023
2024
2025
2026
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
4th Aug 2025
65AQILowest AQI recorded on
26th Aug 2024
12AQISame Day Analysis (16th August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 3rd highest AQI at 22 of Good air quality, showing improvement over 2025 and 2023 on the same day.
Day & Night AQI Trend: 15th Aug - 16th Aug 2026
Kouchi, Oiso, Kanagawa, Japan
AQI
Day
Night
.
4 AM15th Aug 2026
6 PM
3 AM16th Aug 2026
Day time
Avg. Highest Time
3PM15th Aug
31AQI
Avg. Lowest Time
6PM15th Aug
21AQI
Night time
Avg. Highest Time
4AM15th Aug
25AQI
Avg. Lowest Time
2AM16th Aug
21AQI
In the last 24 hours,
Kouchi's AQI reached its highest point of 31 at 3 PM during the Day, while the lowest point, 21, was recorded at 2 AM during the Night between 15th Aug and 16th Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Kouchi, Oiso, Kanagawa, Japan
JulAug
18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th
Day
Night
18th Jul 2026314 AMAQI
18th Jul 2026315 AMAQI
18th Jul 2026236 AMAQI
18th Jul 2026257 AMAQI
18th Jul 2026198 AMAQI
18th Jul 2026169 AMAQI
18th Jul 20261710 AMAQI
18th Jul 20261811 AMAQI
18th Jul 20261712 PMAQI
18th Jul 2026201 PMAQI
18th Jul 2026122 PMAQI
18th Jul 2026183 PMAQI
18th Jul 2026124 PMAQI
18th Jul 2026115 PMAQI
18th Jul 2026106 PMAQI
18th Jul 2026107 PMAQI
18th Jul 202688 PMAQI
18th Jul 202699 PMAQI
18th Jul 2026910 PMAQI
18th Jul 2026811 PMAQI
19th Jul 2026812 AMAQI
19th Jul 202691 AMAQI
19th Jul 2026122 AMAQI
19th Jul 2026143 AMAQI
26°C25/28°C
19th Jul 2026104 AMAQI
19th Jul 2026105 AMAQI
19th Jul 202696 AMAQI
19th Jul 2026107 AMAQI
19th Jul 2026128 AMAQI
19th Jul 2026109 AMAQI
19th Jul 2026810 AMAQI
19th Jul 20261411 AMAQI
19th Jul 20262012 PMAQI
19th Jul 202681 PMAQI
19th Jul 2026122 PMAQI
19th Jul 2026253 PMAQI
19th Jul 2026254 PMAQI
19th Jul 2026255 PMAQI
19th Jul 2026256 PMAQI
19th Jul 2026237 PMAQI
19th Jul 2026238 PMAQI
19th Jul 2026239 PMAQI
19th Jul 20262510 PMAQI
19th Jul 20262111 PMAQI
20th Jul 20262512 AMAQI
20th Jul 2026251 AMAQI
20th Jul 2026232 AMAQI
20th Jul 2026253 AMAQI
26°C25/28°C
20th Jul 2026214 AMAQI
20th Jul 2026235 AMAQI
20th Jul 2026276 AMAQI
20th Jul 2026297 AMAQI
20th Jul 2026258 AMAQI
20th Jul 2026219 AMAQI
20th Jul 20262110 AMAQI
20th Jul 20262311 AMAQI
20th Jul 20262712 PMAQI
20th Jul 2026271 PMAQI
20th Jul 2026252 PMAQI
20th Jul 2026273 PMAQI
20th Jul 2026294 PMAQI
20th Jul 2026275 PMAQI
20th Jul 2026256 PMAQI
20th Jul 2026257 PMAQI
20th Jul 2026298 PMAQI
20th Jul 2026279 PMAQI
20th Jul 20262910 PMAQI
20th Jul 20263011 PMAQI
21st Jul 20263112 AMAQI
21st Jul 2026311 AMAQI
21st Jul 2026312 AMAQI
21st Jul 2026383 AMAQI
28°C25/31°C
21st Jul 2026364 AMAQI
21st Jul 2026425 AMAQI
21st Jul 2026536 AMAQI
21st Jul 2026527 AMAQI
21st Jul 2026548 AMAQI
21st Jul 2026549 AMAQI
21st Jul 20265310 AMAQI
21st Jul 20265311 AMAQI
21st Jul 2026561 PMAQI
21st Jul 2026562 PMAQI
21st Jul 2026553 PMAQI
21st Jul 2026534 PMAQI
21st Jul 2026515 PMAQI
21st Jul 2026526 PMAQI
21st Jul 2026937 PMAQI
21st Jul 2026548 PMAQI
21st Jul 2026539 PMAQI
21st Jul 20265210 PMAQI
21st Jul 20265311 PMAQI
22nd Jul 20265412 AMAQI
22nd Jul 2026551 AMAQI
22nd Jul 2026572 AMAQI
22nd Jul 2026563 AMAQI
29°C26/32°C
22nd Jul 2026544 AMAQI
22nd Jul 2026585 AMAQI
22nd Jul 2026576 AMAQI
22nd Jul 2026607 AMAQI
22nd Jul 2026588 AMAQI
22nd Jul 2026629 AMAQI
22nd Jul 20266710 AMAQI
22nd Jul 20266411 AMAQI
22nd Jul 20267012 PMAQI
22nd Jul 2026701 PMAQI
22nd Jul 2026652 PMAQI
22nd Jul 2026663 PMAQI
22nd Jul 2026654 PMAQI
22nd Jul 2026655 PMAQI
22nd Jul 2026666 PMAQI
22nd Jul 2026647 PMAQI
22nd Jul 2026678 PMAQI
22nd Jul 2026689 PMAQI
22nd Jul 20266610 PMAQI
22nd Jul 20266811 PMAQI
23rd Jul 20266712 AMAQI
23rd Jul 2026551 AMAQI
23rd Jul 2026592 AMAQI
23rd Jul 2026533 AMAQI
29°C26/31°C
23rd Jul 2026494 AMAQI
23rd Jul 2026485 AMAQI
23rd Jul 2026566 AMAQI
23rd Jul 2026627 AMAQI
23rd Jul 2026628 AMAQI
23rd Jul 2026729 AMAQI
23rd Jul 20267310 AMAQI
23rd Jul 20268211 AMAQI
23rd Jul 20267312 PMAQI
23rd Jul 2026831 PMAQI
23rd Jul 2026902 PMAQI
23rd Jul 2026833 PMAQI
23rd Jul 2026894 PMAQI
23rd Jul 2026825 PMAQI
23rd Jul 2026836 PMAQI
23rd Jul 2026887 PMAQI
23rd Jul 2026628 PMAQI
23rd Jul 2026839 PMAQI
23rd Jul 20266910 PMAQI
23rd Jul 20266711 PMAQI
24th Jul 20265912 AMAQI
24th Jul 2026591 AMAQI
24th Jul 2026602 AMAQI
24th Jul 2026353 AMAQI
29°C26/33°C
24th Jul 2026584 AMAQI
24th Jul 2026535 AMAQI
24th Jul 2026516 AMAQI
24th Jul 2026577 AMAQI
24th Jul 2026428 AMAQI
24th Jul 2026529 AMAQI
24th Jul 20264410 AMAQI
24th Jul 20264411 AMAQI
24th Jul 20264812 PMAQI
24th Jul 2026481 PMAQI
24th Jul 2026552 PMAQI
24th Jul 2026543 PMAQI
24th Jul 2026544 PMAQI
24th Jul 2026325 PMAQI
24th Jul 2026386 PMAQI
24th Jul 2026257 PMAQI
24th Jul 2026448 PMAQI
24th Jul 2026509 PMAQI
24th Jul 20265410 PMAQI
24th Jul 20265111 PMAQI
25th Jul 20265512 AMAQI
25th Jul 2026531 AMAQI
25th Jul 2026522 AMAQI
25th Jul 2026563 AMAQI
28°C26/30°C
25th Jul 2026564 AMAQI
25th Jul 2026645 AMAQI
25th Jul 2026606 AMAQI
25th Jul 2026607 AMAQI
25th Jul 2026548 AMAQI
25th Jul 2026609 AMAQI
25th Jul 20266910 AMAQI
25th Jul 20266211 AMAQI
25th Jul 20267112 PMAQI
25th Jul 2026651 PMAQI
25th Jul 2026642 PMAQI
25th Jul 2026663 PMAQI
25th Jul 2026704 PMAQI
25th Jul 2026745 PMAQI
25th Jul 2026746 PMAQI
25th Jul 2026787 PMAQI
25th Jul 2026748 PMAQI
25th Jul 2026299 PMAQI
25th Jul 20263510 PMAQI
25th Jul 20263111 PMAQI
26th Jul 20261412 AMAQI
26th Jul 202671 AMAQI
26th Jul 2026212 AMAQI
26th Jul 2026303 AMAQI
28°C25/31°C
26th Jul 2026254 AMAQI
26th Jul 2026275 AMAQI
26th Jul 202686 AMAQI
26th Jul 2026217 AMAQI
26th Jul 2026298 AMAQI
26th Jul 2026179 AMAQI
26th Jul 20262310 AMAQI
26th Jul 20261811 AMAQI
26th Jul 20262512 PMAQI
26th Jul 2026331 PMAQI
26th Jul 2026292 PMAQI
26th Jul 2026443 PMAQI
26th Jul 2026144 PMAQI
26th Jul 2026145 PMAQI
26th Jul 2026196 PMAQI
26th Jul 2026197 PMAQI
26th Jul 2026178 PMAQI
26th Jul 2026179 PMAQI
26th Jul 20261210 PMAQI
26th Jul 20261711 PMAQI
27th Jul 20262312 AMAQI
27th Jul 2026191 AMAQI
27th Jul 2026192 AMAQI
27th Jul 2026213 AMAQI
26°C25/28°C
27th Jul 2026164 AMAQI
27th Jul 2026165 AMAQI
27th Jul 2026336 AMAQI
27th Jul 2026197 AMAQI
27th Jul 2026318 AMAQI
27th Jul 2026279 AMAQI
27th Jul 20263110 AMAQI
27th Jul 20262911 AMAQI
27th Jul 20262712 PMAQI
27th Jul 2026211 PMAQI
27th Jul 2026252 PMAQI
27th Jul 2026253 PMAQI
27th Jul 2026254 PMAQI
27th Jul 2026205 PMAQI
27th Jul 2026276 PMAQI
27th Jul 2026277 PMAQI
27th Jul 2026258 PMAQI
27th Jul 2026219 PMAQI
27th Jul 20262110 PMAQI
27th Jul 20262911 PMAQI
28th Jul 20262512 AMAQI
28th Jul 2026251 AMAQI
28th Jul 2026212 AMAQI
28th Jul 2026233 AMAQI
26°C24/28°C
28th Jul 2026254 AMAQI
28th Jul 2026215 AMAQI
28th Jul 2026216 AMAQI
28th Jul 2026217 AMAQI
28th Jul 2026218 AMAQI
28th Jul 2026279 AMAQI
28th Jul 20262910 AMAQI
28th Jul 20262911 AMAQI
28th Jul 20262712 PMAQI
28th Jul 2026271 PMAQI
28th Jul 2026252 PMAQI
28th Jul 2026273 PMAQI
28th Jul 2026244 PMAQI
28th Jul 2026325 PMAQI
28th Jul 2026296 PMAQI
28th Jul 2026257 PMAQI
28th Jul 2026258 PMAQI
28th Jul 2026259 PMAQI
28th Jul 20262510 PMAQI
28th Jul 20262311 PMAQI
29th Jul 20262512 AMAQI
29th Jul 2026271 AMAQI
29th Jul 2026252 AMAQI
29th Jul 2026273 AMAQI
25°C23/27°C
29th Jul 2026274 AMAQI
29th Jul 2026295 AMAQI
29th Jul 2026276 AMAQI
29th Jul 2026277 AMAQI
29th Jul 2026298 AMAQI
29th Jul 2026389 AMAQI
29th Jul 20263410 AMAQI
29th Jul 20262911 AMAQI
29th Jul 20262912 PMAQI
29th Jul 2026291 PMAQI
29th Jul 2026312 PMAQI
29th Jul 2026253 PMAQI
29th Jul 2026254 PMAQI
29th Jul 2026255 PMAQI
29th Jul 2026236 PMAQI
29th Jul 2026217 PMAQI
29th Jul 2026218 PMAQI
29th Jul 2026259 PMAQI
29th Jul 20262310 PMAQI
29th Jul 20262511 PMAQI
30th Jul 20262512 AMAQI
30th Jul 2026271 AMAQI
30th Jul 2026272 AMAQI
30th Jul 2026273 AMAQI
27°C24/31°C
30th Jul 2026214 AMAQI
30th Jul 2026275 AMAQI
30th Jul 2026276 AMAQI
30th Jul 2026297 AMAQI
30th Jul 2026278 AMAQI
30th Jul 2026299 AMAQI
30th Jul 20262910 AMAQI
30th Jul 20262711 AMAQI
30th Jul 20262712 PMAQI
30th Jul 2026331 PMAQI
30th Jul 2026312 PMAQI
30th Jul 2026333 PMAQI
30th Jul 2026364 PMAQI
30th Jul 2026365 PMAQI
30th Jul 2026366 PMAQI
30th Jul 2026367 PMAQI
30th Jul 2026368 PMAQI
30th Jul 2026299 PMAQI
30th Jul 20263010 PMAQI
30th Jul 20262911 PMAQI
31st Jul 20265112 AMAQI
31st Jul 2026551 AMAQI
31st Jul 2026552 AMAQI
31st Jul 2026563 AMAQI
28°C25/32°C
31st Jul 2026564 AMAQI
31st Jul 2026585 AMAQI
31st Jul 2026556 AMAQI
31st Jul 2026577 AMAQI
31st Jul 2026608 AMAQI
31st Jul 2026589 AMAQI
31st Jul 20266210 AMAQI
31st Jul 20266211 AMAQI
31st Jul 20265912 PMAQI
31st Jul 2026601 PMAQI
31st Jul 2026592 PMAQI
31st Jul 2026633 PMAQI
31st Jul 2026594 PMAQI
31st Jul 2026645 PMAQI
31st Jul 2026626 PMAQI
31st Jul 2026677 PMAQI
31st Jul 2026648 PMAQI
31st Jul 2026629 PMAQI
31st Jul 20266310 PMAQI
31st Jul 20265911 PMAQI
1st Aug 20265612 AMAQI
1st Aug 2026561 AMAQI
1st Aug 2026542 AMAQI
1st Aug 2026543 AMAQI
28°C26/31°C
1st Aug 2026404 AMAQI
1st Aug 2026445 AMAQI
1st Aug 2026566 AMAQI
1st Aug 2026587 AMAQI
1st Aug 2026578 AMAQI
1st Aug 2026629 AMAQI
1st Aug 20266510 AMAQI
1st Aug 20266511 AMAQI
1st Aug 20266712 PMAQI
1st Aug 2026691 PMAQI
1st Aug 2026702 PMAQI
1st Aug 2026733 PMAQI
1st Aug 2026734 PMAQI
1st Aug 2026725 PMAQI
1st Aug 2026726 PMAQI
1st Aug 2026767 PMAQI
1st Aug 2026738 PMAQI
1st Aug 2026709 PMAQI
1st Aug 20267010 PMAQI
1st Aug 20266811 PMAQI
2nd Aug 20266712 AMAQI
2nd Aug 2026651 AMAQI
2nd Aug 2026632 AMAQI
2nd Aug 2026423 AMAQI
28°C26/31°C
2nd Aug 2026504 AMAQI
2nd Aug 2026665 AMAQI
2nd Aug 2026636 AMAQI
2nd Aug 2026817 AMAQI
2nd Aug 2026748 AMAQI
2nd Aug 2026789 AMAQI
2nd Aug 20268210 AMAQI
2nd Aug 20266911 AMAQI
2nd Aug 20267012 PMAQI
2nd Aug 2026711 PMAQI
2nd Aug 2026652 PMAQI
2nd Aug 2026663 PMAQI
2nd Aug 2026674 PMAQI
2nd Aug 2026695 PMAQI
2nd Aug 2026706 PMAQI
2nd Aug 2026667 PMAQI
2nd Aug 2026678 PMAQI
2nd Aug 2026549 PMAQI
2nd Aug 20262510 PMAQI
2nd Aug 20262311 PMAQI
3rd Aug 20262112 AMAQI
3rd Aug 2026101 AMAQI
3rd Aug 2026142 AMAQI
3rd Aug 202683 AMAQI
28°C25/32°C
3rd Aug 202684 AMAQI
3rd Aug 202685 AMAQI
3rd Aug 202686 AMAQI
3rd Aug 2026127 AMAQI
3rd Aug 2026178 AMAQI
3rd Aug 2026129 AMAQI
3rd Aug 20261210 AMAQI
3rd Aug 20261011 AMAQI
3rd Aug 2026812 PMAQI
3rd Aug 202681 PMAQI
3rd Aug 2026232 PMAQI
3rd Aug 2026233 PMAQI
3rd Aug 2026254 PMAQI
3rd Aug 2026215 PMAQI
3rd Aug 2026186 PMAQI
3rd Aug 2026137 PMAQI
3rd Aug 2026138 PMAQI
3rd Aug 2026219 PMAQI
3rd Aug 20262110 PMAQI
3rd Aug 20261611 PMAQI
4th Aug 20261412 AMAQI
4th Aug 2026211 AMAQI
4th Aug 2026192 AMAQI
4th Aug 2026193 AMAQI
25°C23/26°C
4th Aug 2026194 AMAQI
4th Aug 2026195 AMAQI
4th Aug 2026176 AMAQI
4th Aug 2026197 AMAQI
4th Aug 2026198 AMAQI
4th Aug 2026199 AMAQI
4th Aug 20262110 AMAQI
4th Aug 20262511 AMAQI
4th Aug 20262712 PMAQI
4th Aug 2026251 PMAQI
4th Aug 2026272 PMAQI
4th Aug 2026293 PMAQI
4th Aug 2026294 PMAQI
4th Aug 2026315 PMAQI
4th Aug 2026316 PMAQI
4th Aug 2026367 PMAQI
4th Aug 2026348 PMAQI
4th Aug 2026259 PMAQI
4th Aug 20262510 PMAQI
4th Aug 20262111 PMAQI
5th Aug 20262512 AMAQI
5th Aug 2026231 AMAQI
5th Aug 2026232 AMAQI
5th Aug 2026233 AMAQI
25°C22/29°C
5th Aug 2026234 AMAQI
5th Aug 2026255 AMAQI
5th Aug 2026216 AMAQI
5th Aug 2026237 AMAQI
5th Aug 2026258 AMAQI
5th Aug 2026259 AMAQI
5th Aug 20262310 AMAQI
5th Aug 20262511 AMAQI
5th Aug 20262512 PMAQI
5th Aug 2026231 PMAQI
5th Aug 2026212 PMAQI
5th Aug 2026253 PMAQI
5th Aug 2026234 PMAQI
5th Aug 2026235 PMAQI
5th Aug 2026256 PMAQI
5th Aug 2026297 PMAQI
5th Aug 2026298 PMAQI
5th Aug 2026299 PMAQI
5th Aug 20263310 PMAQI
5th Aug 20262911 PMAQI
6th Aug 20262912 AMAQI
6th Aug 2026271 AMAQI
6th Aug 2026272 AMAQI
6th Aug 2026253 AMAQI
26°C23/29°C
6th Aug 2026234 AMAQI
6th Aug 2026235 AMAQI
6th Aug 2026236 AMAQI
6th Aug 2026257 AMAQI
6th Aug 2026258 AMAQI
6th Aug 2026239 AMAQI
6th Aug 20262510 AMAQI
6th Aug 20262111 AMAQI
6th Aug 20262312 PMAQI
6th Aug 2026231 PMAQI
6th Aug 2026232 PMAQI
6th Aug 2026233 PMAQI
6th Aug 2026214 PMAQI
6th Aug 2026215 PMAQI
6th Aug 2026216 PMAQI
6th Aug 2026217 PMAQI
6th Aug 2026218 PMAQI
6th Aug 2026219 PMAQI
6th Aug 20262110 PMAQI
6th Aug 20262511 PMAQI
7th Aug 20262112 AMAQI
7th Aug 2026211 AMAQI
7th Aug 2026212 AMAQI
7th Aug 2026233 AMAQI
28°C26/30°C
7th Aug 2026214 AMAQI
7th Aug 2026215 AMAQI
7th Aug 2026256 AMAQI
7th Aug 2026297 AMAQI
7th Aug 2026218 AMAQI
7th Aug 2026239 AMAQI
7th Aug 20262110 AMAQI
7th Aug 20262111 AMAQI
7th Aug 20262112 PMAQI
7th Aug 2026301 PMAQI
7th Aug 2026282 PMAQI
7th Aug 2026233 PMAQI
7th Aug 2026254 PMAQI
7th Aug 2026255 PMAQI
7th Aug 2026256 PMAQI
7th Aug 2026237 PMAQI
7th Aug 2026258 PMAQI
7th Aug 2026259 PMAQI
7th Aug 20262510 PMAQI
7th Aug 20262511 PMAQI
8th Aug 20262112 AMAQI
8th Aug 2026211 AMAQI
8th Aug 2026232 AMAQI
8th Aug 2026253 AMAQI
27°C25/30°C
8th Aug 2026214 AMAQI
8th Aug 2026255 AMAQI
8th Aug 2026256 AMAQI
8th Aug 2026217 AMAQI
8th Aug 2026238 AMAQI
8th Aug 2026259 AMAQI
8th Aug 20262510 AMAQI
8th Aug 20262511 AMAQI
8th Aug 20262912 PMAQI
8th Aug 2026251 PMAQI
8th Aug 2026252 PMAQI
8th Aug 2026253 PMAQI
8th Aug 2026254 PMAQI
8th Aug 2026215 PMAQI
8th Aug 2026296 PMAQI
8th Aug 2026257 PMAQI
8th Aug 2026238 PMAQI
8th Aug 2026279 PMAQI
8th Aug 20262510 PMAQI
8th Aug 20262111 PMAQI
9th Aug 20262112 AMAQI
9th Aug 2026231 AMAQI
9th Aug 2026252 AMAQI
9th Aug 2026253 AMAQI
27°C25/29°C
9th Aug 2026254 AMAQI
9th Aug 2026215 AMAQI
9th Aug 2026216 AMAQI
9th Aug 2026257 AMAQI
9th Aug 2026298 AMAQI
9th Aug 2026259 AMAQI
9th Aug 20262910 AMAQI
9th Aug 20262911 AMAQI
9th Aug 20262112 PMAQI
9th Aug 2026211 PMAQI
9th Aug 2026252 PMAQI
9th Aug 2026213 PMAQI
9th Aug 2026254 PMAQI
9th Aug 2026275 PMAQI
9th Aug 2026276 PMAQI
9th Aug 2026337 PMAQI
9th Aug 2026338 PMAQI
9th Aug 2026389 PMAQI
9th Aug 20264210 PMAQI
9th Aug 20262711 PMAQI
10th Aug 20262312 AMAQI
10th Aug 2026211 AMAQI
10th Aug 2026212 AMAQI
10th Aug 2026213 AMAQI
27°C25/29°C
10th Aug 2026254 AMAQI
10th Aug 2026215 AMAQI
10th Aug 2026216 AMAQI
10th Aug 2026217 AMAQI
10th Aug 2026258 AMAQI
10th Aug 2026219 AMAQI
10th Aug 20262110 AMAQI
10th Aug 20262111 AMAQI
10th Aug 20262112 PMAQI
10th Aug 2026211 PMAQI
10th Aug 2026212 PMAQI
10th Aug 2026213 PMAQI
10th Aug 2026214 PMAQI
10th Aug 2026235 PMAQI
10th Aug 2026236 PMAQI
10th Aug 2026297 PMAQI
10th Aug 2026278 PMAQI
10th Aug 2026259 PMAQI
10th Aug 20262510 PMAQI
10th Aug 20262511 PMAQI
11th Aug 20262712 AMAQI
11th Aug 2026211 AMAQI
11th Aug 2026212 AMAQI
11th Aug 2026273 AMAQI
26°C24/28°C
11th Aug 2026234 AMAQI
11th Aug 2026255 AMAQI
11th Aug 2026256 AMAQI
11th Aug 2026277 AMAQI
11th Aug 2026278 AMAQI
11th Aug 2026299 AMAQI
11th Aug 20263110 AMAQI
11th Aug 20263311 AMAQI
11th Aug 20263312 PMAQI
11th Aug 2026311 PMAQI
11th Aug 2026332 PMAQI
11th Aug 2026293 PMAQI
11th Aug 2026294 PMAQI
11th Aug 2026315 PMAQI
11th Aug 2026366 PMAQI
11th Aug 2026367 PMAQI
11th Aug 2026298 PMAQI
11th Aug 2026299 PMAQI
11th Aug 20262910 PMAQI
11th Aug 20262911 PMAQI
12th Aug 20262512 AMAQI
12th Aug 2026251 AMAQI
12th Aug 2026232 AMAQI
12th Aug 2026233 AMAQI
24°C22/27°C
12th Aug 2026214 AMAQI
12th Aug 2026235 AMAQI
12th Aug 2026216 AMAQI
12th Aug 2026237 AMAQI
12th Aug 2026278 AMAQI
12th Aug 2026259 AMAQI
12th Aug 20262510 AMAQI
12th Aug 20262511 AMAQI
12th Aug 20262112 PMAQI
12th Aug 2026271 PMAQI
12th Aug 2026212 PMAQI
12th Aug 2026213 PMAQI
12th Aug 2026234 PMAQI
12th Aug 2026235 PMAQI
12th Aug 2026236 PMAQI
12th Aug 2026257 PMAQI
12th Aug 2026258 PMAQI
12th Aug 2026259 PMAQI
12th Aug 20262310 PMAQI
12th Aug 20262511 PMAQI
13th Aug 20262312 AMAQI
13th Aug 2026271 AMAQI
13th Aug 2026252 AMAQI
13th Aug 2026253 AMAQI
24°C23/25°C
13th Aug 2026274 AMAQI
13th Aug 2026315 AMAQI
13th Aug 2026276 AMAQI
13th Aug 2026257 AMAQI
13th Aug 2026258 AMAQI
13th Aug 2026259 AMAQI
13th Aug 20262910 AMAQI
13th Aug 20262511 AMAQI
13th Aug 20262512 PMAQI
13th Aug 2026251 PMAQI
13th Aug 2026232 PMAQI
13th Aug 2026233 PMAQI
13th Aug 2026244 PMAQI
13th Aug 2026235 PMAQI
13th Aug 2026236 PMAQI
13th Aug 2026217 PMAQI
13th Aug 2026218 PMAQI
13th Aug 2026219 PMAQI
13th Aug 20262110 PMAQI
13th Aug 20262111 PMAQI
14th Aug 20262512 AMAQI
14th Aug 2026251 AMAQI
14th Aug 2026252 AMAQI
14th Aug 2026253 AMAQI
26°C23/28°C
14th Aug 2026174 AMAQI
14th Aug 2026165 AMAQI
14th Aug 2026216 AMAQI
14th Aug 202687 AMAQI
14th Aug 2026218 AMAQI
14th Aug 2026199 AMAQI
14th Aug 20261410 AMAQI
14th Aug 20262111 AMAQI
14th Aug 20262312 PMAQI
14th Aug 2026251 PMAQI
14th Aug 2026212 PMAQI
14th Aug 2026173 PMAQI
14th Aug 2026174 PMAQI
14th Aug 2026215 PMAQI
14th Aug 2026256 PMAQI
14th Aug 2026257 PMAQI
14th Aug 2026218 PMAQI
14th Aug 2026299 PMAQI
14th Aug 20262910 PMAQI
14th Aug 20262911 PMAQI
15th Aug 20262512 AMAQI
15th Aug 2026211 AMAQI
15th Aug 2026252 AMAQI
15th Aug 2026253 AMAQI
26°C24/28°C
15th Aug 2026254 AMAQI
15th Aug 2026255 AMAQI
15th Aug 2026256 AMAQI
15th Aug 2026257 AMAQI
15th Aug 2026258 AMAQI
15th Aug 2026239 AMAQI
15th Aug 20262510 AMAQI
15th Aug 20262511 AMAQI
15th Aug 20262512 PMAQI
15th Aug 2026291 PMAQI
15th Aug 2026252 PMAQI
15th Aug 2026313 PMAQI
15th Aug 2026254 PMAQI
15th Aug 2026215 PMAQI
15th Aug 2026216 PMAQI
15th Aug 2026237 PMAQI
15th Aug 2026218 PMAQI
15th Aug 2026239 PMAQI
15th Aug 20262110 PMAQI
15th Aug 20262511 PMAQI
16th Aug 20262112 AMAQI
16th Aug 2026211 AMAQI
16th Aug 2026212 AMAQI
16th Aug 2026233 AMAQI
26°C24/29°C
16th Aug 2026214 AMAQI
4 AM16th Aug 2026215 AMAQI
16th Aug 2026216 AMAQI
16th Aug 2026237 AMAQI
16th Aug 2026258 AMAQI
16th Aug 2026219 AMAQI
16th Aug 20262510 AMAQI
16th Aug 20262511 AMAQI
11 AM16th Aug 20262112 PMAQI
16th Aug 2026251 PMAQI
16th Aug 2026232 PMAQI
16th Aug 2026253 PMAQI
16th Aug 2026234 PMAQI
16th Aug 2026215 PMAQI
16th Aug 2026216 PMAQI
6 PM16th Aug 2026237 PMAQI
16th Aug 2026218 PMAQI
16th Aug 2026219 PMAQI
16th Aug 20262510 PMAQI
16th Aug 20262311 PMAQI
11 PM3 AM
26°C24/28°C
Day time
Avg. Highest Time
8 AM - 6 PM
34AQI
11 hours / Day
330 hours / Month
Avg. Lowest Time
4 AM
29AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 8 AM to 6 PM (Avg. 34), while the lowest AQI was between 4 AM to 4 AM (Avg. 29).
Night time
Avg. Highest Time
7 PM
37AQI
1 hours / Day
30 hours / Month
Avg. Lowest Time
1 AM
30AQI
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 1 AM to 1 AM (Avg. 30).
2026 Days Vs Air Quality
Kouchi, Oiso, Kanagawa, Japan
2026
87%
199
13%
29
Total number of days with different AQI categories in last 228 days in 2026 (137 days remaining)
Good
199 DaysModerate
29 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 87%
Health Risk Level:
Low
In 2026, 87% of 228 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
Kouchi, Oiso, Kanagawa, 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
25AQI (US)
25AQI (US)
2nd January 2026
12AQI (US)
12AQI (US)
3rd January 2026
18AQI (US)
18AQI (US)
4th January 2026
12AQI (US)
12AQI (US)
5th January 2026
24AQI (US)
24AQI (US)
6th January 2026
15AQI (US)
15AQI (US)
7th January 2026
16AQI (US)
16AQI (US)
8th January 2026
28AQI (US)
28AQI (US)
9th January 2026
16AQI (US)
16AQI (US)
10th January 2026
25AQI (US)
25AQI (US)
11th January 2026
29AQI (US)
29AQI (US)
12th January 2026
18AQI (US)
18AQI (US)
13th January 2026
26AQI (US)
26AQI (US)
14th January 2026
25AQI (US)
25AQI (US)
15th January 2026
27AQI (US)
27AQI (US)
16th January 2026
50AQI (US)
50AQI (US)
17th January 2026
56AQI (US)
56AQI (US)
18th January 2026
48AQI (US)
48AQI (US)
19th January 2026
48AQI (US)
48AQI (US)
20th January 2026
21AQI (US)
21AQI (US)
21st January 2026
12AQI (US)
12AQI (US)
22nd January 2026
24AQI (US)
24AQI (US)
23rd January 2026
35AQI (US)
35AQI (US)
24th January 2026
32AQI (US)
32AQI (US)
25th January 2026
23AQI (US)
23AQI (US)
26th January 2026
15AQI (US)
15AQI (US)
27th January 2026
33AQI (US)
33AQI (US)
28th January 2026
30AQI (US)
30AQI (US)
29th January 2026
25AQI (US)
25AQI (US)
30th January 2026
39AQI (US)
39AQI (US)
31st January 2026
36AQI (US)
36AQI (US)
1st February 2026
30AQI (US)
30AQI (US)
2nd February 2026
44AQI (US)
44AQI (US)
3rd February 2026
29AQI (US)
29AQI (US)
4th February 2026
34AQI (US)
34AQI (US)
5th February 2026
44AQI (US)
44AQI (US)
6th February 2026
50AQI (US)
50AQI (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
37AQI (US)
37AQI (US)
11th February 2026
47AQI (US)
47AQI (US)
12th February 2026
37AQI (US)
37AQI (US)
13th February 2026
45AQI (US)
45AQI (US)
14th February 2026
52AQI (US)
52AQI (US)
15th February 2026
53AQI (US)
53AQI (US)
16th February 2026
49AQI (US)
49AQI (US)
17th February 2026
14AQI (US)
14AQI (US)
18th February 2026
22AQI (US)
22AQI (US)
19th February 2026
30AQI (US)
30AQI (US)
20th February 2026
31AQI (US)
31AQI (US)
21st February 2026
44AQI (US)
44AQI (US)
22nd February 2026
41AQI (US)
41AQI (US)
23rd February 2026
41AQI (US)
41AQI (US)
24th February 2026
44AQI (US)
44AQI (US)
25th February 2026
34AQI (US)
34AQI (US)
26th February 2026
8AQI (US)
8AQI (US)
27th February 2026
26AQI (US)
26AQI (US)
28th February 2026
32AQI (US)
32AQI (US)
1st March 2026
29AQI (US)
29AQI (US)
2nd March 2026
60AQI (US)
60AQI (US)
3rd March 2026
38AQI (US)
38AQI (US)
4th March 2026
48AQI (US)
48AQI (US)
5th March 2026
51AQI (US)
51AQI (US)
6th March 2026
50AQI (US)
50AQI (US)
7th March 2026
28AQI (US)
28AQI (US)
8th March 2026
27AQI (US)
27AQI (US)
9th March 2026
35AQI (US)
35AQI (US)
10th March 2026
56AQI (US)
56AQI (US)
11th March 2026
59AQI (US)
59AQI (US)
12th March 2026
17AQI (US)
17AQI (US)
13th March 2026
18AQI (US)
18AQI (US)
14th March 2026
44AQI (US)
44AQI (US)
15th March 2026
55AQI (US)
55AQI (US)
16th March 2026
15AQI (US)
15AQI (US)
17th March 2026
26AQI (US)
26AQI (US)
18th March 2026
49AQI (US)
49AQI (US)
19th March 2026
31AQI (US)
31AQI (US)
20th March 2026
30AQI (US)
30AQI (US)
21st March 2026
41AQI (US)
41AQI (US)
22nd March 2026
46AQI (US)
46AQI (US)
23rd March 2026
42AQI (US)
42AQI (US)
24th March 2026
45AQI (US)
45AQI (US)
25th March 2026
64AQI (US)
64AQI (US)
26th March 2026
20AQI (US)
20AQI (US)
27th March 2026
18AQI (US)
18AQI (US)
28th March 2026
53AQI (US)
53AQI (US)
29th March 2026
49AQI (US)
49AQI (US)
30th March 2026
56AQI (US)
56AQI (US)
31st March 2026
19AQI (US)
19AQI (US)
1st April 2026
22AQI (US)
22AQI (US)
2nd April 2026
33AQI (US)
33AQI (US)
3rd April 2026
45AQI (US)
45AQI (US)
4th April 2026
44AQI (US)
44AQI (US)
5th April 2026
24AQI (US)
24AQI (US)
6th April 2026
29AQI (US)
29AQI (US)
7th April 2026
26AQI (US)
26AQI (US)
8th April 2026
19AQI (US)
19AQI (US)
9th April 2026
29AQI (US)
29AQI (US)
10th April 2026
46AQI (US)
46AQI (US)
11th April 2026
34AQI (US)
34AQI (US)
12th April 2026
31AQI (US)
31AQI (US)
13th April 2026
31AQI (US)
31AQI (US)
14th April 2026
39AQI (US)
39AQI (US)
15th April 2026
32AQI (US)
32AQI (US)
16th April 2026
34AQI (US)
34AQI (US)
17th April 2026
35AQI (US)
35AQI (US)
18th April 2026
25AQI (US)
25AQI (US)
19th April 2026
29AQI (US)
29AQI (US)
20th April 2026
36AQI (US)
36AQI (US)
21st April 2026
38AQI (US)
38AQI (US)
22nd April 2026
46AQI (US)
46AQI (US)
23rd April 2026
36AQI (US)
36AQI (US)
24th April 2026
32AQI (US)
32AQI (US)
25th April 2026
44AQI (US)
44AQI (US)
26th April 2026
51AQI (US)
51AQI (US)
27th April 2026
48AQI (US)
48AQI (US)
28th April 2026
42AQI (US)
42AQI (US)
29th April 2026
51AQI (US)
51AQI (US)
30th April 2026
36AQI (US)
36AQI (US)
1st May 2026
34AQI (US)
34AQI (US)
2nd May 2026
48AQI (US)
48AQI (US)
3rd May 2026
42AQI (US)
42AQI (US)
4th May 2026
27AQI (US)
27AQI (US)
5th May 2026
18AQI (US)
18AQI (US)
6th May 2026
27AQI (US)
27AQI (US)
7th May 2026
29AQI (US)
29AQI (US)
8th May 2026
25AQI (US)
25AQI (US)
9th May 2026
24AQI (US)
24AQI (US)
10th May 2026
28AQI (US)
28AQI (US)
11th May 2026
28AQI (US)
28AQI (US)
12th May 2026
28AQI (US)
28AQI (US)
13th May 2026
36AQI (US)
36AQI (US)
14th May 2026
33AQI (US)
33AQI (US)
15th May 2026
33AQI (US)
33AQI (US)
16th May 2026
87AQI (US)
87AQI (US)
17th May 2026
69AQI (US)
69AQI (US)
18th May 2026
54AQI (US)
54AQI (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
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
25AQI (US)
25AQI (US)
28th May 2026
25AQI (US)
25AQI (US)
29th May 2026
24AQI (US)
24AQI (US)
30th May 2026
24AQI (US)
24AQI (US)
31st May 2026
26AQI (US)
26AQI (US)
1st June 2026
29AQI (US)
29AQI (US)
2nd June 2026
27AQI (US)
27AQI (US)
3rd June 2026
19AQI (US)
19AQI (US)
4th June 2026
23AQI (US)
23AQI (US)
5th June 2026
22AQI (US)
22AQI (US)
6th June 2026
21AQI (US)
21AQI (US)
7th June 2026
23AQI (US)
23AQI (US)
8th June 2026
20AQI (US)
20AQI (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
25AQI (US)
25AQI (US)
13th June 2026
27AQI (US)
27AQI (US)
14th June 2026
42AQI (US)
42AQI (US)
15th June 2026
13AQI (US)
13AQI (US)
16th June 2026
23AQI (US)
23AQI (US)
17th June 2026
24AQI (US)
24AQI (US)
18th June 2026
24AQI (US)
24AQI (US)
19th June 2026
26AQI (US)
26AQI (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
22AQI (US)
22AQI (US)
25th June 2026
27AQI (US)
27AQI (US)
26th June 2026
28AQI (US)
28AQI (US)
27th June 2026
20AQI (US)
20AQI (US)
28th June 2026
24AQI (US)
24AQI (US)
29th June 2026
26AQI (US)
26AQI (US)
30th June 2026
26AQI (US)
26AQI (US)
1st July 2026
26AQI (US)
26AQI (US)
2nd July 2026
17AQI (US)
17AQI (US)
3rd July 2026
15AQI (US)
15AQI (US)
4th July 2026
20AQI (US)
20AQI (US)
5th July 2026
20AQI (US)
20AQI (US)
6th July 2026
24AQI (US)
24AQI (US)
7th July 2026
26AQI (US)
26AQI (US)
8th July 2026
24AQI (US)
24AQI (US)
9th July 2026
23AQI (US)
23AQI (US)
10th July 2026
23AQI (US)
23AQI (US)
11th July 2026
24AQI (US)
24AQI (US)
12th July 2026
21AQI (US)
21AQI (US)
13th July 2026
32AQI (US)
32AQI (US)
14th July 2026
31AQI (US)
31AQI (US)
15th July 2026
26AQI (US)
26AQI (US)
16th July 2026
60AQI (US)
60AQI (US)
17th July 2026
59AQI (US)
59AQI (US)
18th July 2026
20AQI (US)
20AQI (US)
19th July 2026
16AQI (US)
16AQI (US)
20th July 2026
26AQI (US)
26AQI (US)
21st July 2026
50AQI (US)
50AQI (US)
22nd July 2026
63AQI (US)
63AQI (US)
23rd July 2026
70AQI (US)
70AQI (US)
24th July 2026
49AQI (US)
49AQI (US)
25th July 2026
60AQI (US)
60AQI (US)
26th July 2026
21AQI (US)
21AQI (US)
27th July 2026
24AQI (US)
24AQI (US)
28th July 2026
25AQI (US)
25AQI (US)
29th July 2026
27AQI (US)
27AQI (US)
30th July 2026
30AQI (US)
30AQI (US)
31st July 2026
59AQI (US)
59AQI (US)
1st August 2026
63AQI (US)
63AQI (US)
2nd August 2026
63AQI (US)
63AQI (US)
3rd August 2026
15AQI (US)
15AQI (US)
4th August 2026
24AQI (US)
24AQI (US)
5th August 2026
25AQI (US)
25AQI (US)
6th August 2026
23AQI (US)
23AQI (US)
7th August 2026
24AQI (US)
24AQI (US)
8th August 2026
24AQI (US)
24AQI (US)
9th August 2026
27AQI (US)
27AQI (US)
10th August 2026
23AQI (US)
23AQI (US)
11th August 2026
29AQI (US)
29AQI (US)
12th August 2026
24AQI (US)
24AQI (US)
13th August 2026
24AQI (US)
24AQI (US)
14th August 2026
22AQI (US)
22AQI (US)
15th August 2026
24AQI (US)
24AQI (US)
16th August 2026
22AQI (US)
22AQI (US)
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
27AQI (US)
35AQI (US)
39AQI (US)
36AQI (US)
39AQI (US)
24AQI (US)
33AQI (US)
29AQI (US)
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202633AQI (US)
30
1
26
2
23
8
28
2
23
8
30
25
6
14
2
199
29
Highest AQI (US) recorded in
March39AQI (US)
Lowest AQI (US) recorded in
June24AQI (US)
202534AQI (US)
31
28
29
2
30
30
1
30
23
8
19
12
30
19
12
23
7
26
5
318
47
Highest AQI (US) recorded in
August46AQI (US)
Lowest AQI (US) recorded in
May21AQI (US)
202433AQI (US)
28
29
25
4
29
1
30
1
29
1
13
18
31
29
1
31
30
31
335
26
Highest AQI (US) recorded in
July50AQI (US)
Lowest AQI (US) recorded in
December25AQI (US)
202339AQI (US)
26
2
24
4
26
5
22
8
25
6
21
9
21
10
29
2
28
2
29
2
22
7
28
3
301
60
Highest AQI (US) recorded in
April46AQI (US)
Lowest AQI (US) recorded in
August31AQI (US)
202237AQI (US)
29
1
17
2
26
5
20
10
23
8
25
5
19
3
1
24
4
31
30
31
276
38
Highest AQI (US) recorded in
April44AQI (US)
Lowest AQI (US) recorded in
August19AQI (US)
202134AQI (US)
27
2
22
3
28
21
1
25
6
27
3
30
1
26
5
29
1
31
28
2
31
325
24
Highest AQI (US) recorded in
May40AQI (US)
Lowest AQI (US) recorded in
April30AQI (US)
202035AQI (US)
12
1
20
1
16
2
22
8
28
3
17
13
1
17
2
29
2
24
6
28
3
213
41
1
Highest AQI (US) recorded in
August47AQI (US)
Lowest AQI (US) recorded in
May28AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Most Polluted Year Recorded
2023(Avg.)
39AQI (US)Least Polluted Year Recorded
2024(Avg.)
33AQI (US)Kouchi's annual 2026 AQI (US) (33) shows an average percentage change of -6.2% (improved AQI (US)) compared to previous years: 2020 (35), 2021 (34), 2022 (37), 2023 (39), 2024 (33), 2025 (34).
