Country Background
HistoryAQIPM₂.₅PM₁₀COSO₂NO₂O₃

Hikari, Yamaguchi, 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+

July Air Quality Analysis

Hikari, Yamaguchi, Japan

2022
2023
2024
2025
2026
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
10th Jul 2025
79AQI
Lowest AQI recorded on
26th Jul 2024
11AQI

Same Day Analysis (31st July):
On this day, AQI across the 5 years varied significantly: 2026 ranks 2nd highest AQI at 26 of Good air quality, showing improvement over 2025 on the same day.

Day & Night AQI Trend: 30th Jul - 31st Jul 2026

Hikari, Yamaguchi, Japan

AQI
Day
Night
.

5 AM30th Jul 2026

7 PM

4 AM31st Jul 2026

Day time
Avg. Highest Time
6PM30th Jul

29AQI

Avg. Lowest Time
4PM30th Jul

21AQI

Night time
Avg. Highest Time
1AM31st Jul

29AQI

Avg. Lowest Time
8PM30th Jul

23AQI

In the last 24 hours,

Hikari's AQI reached its highest point of 29 at 6 PM during the Day, while the lowest point, 21, was recorded at 4 PM during the Day between 30th Jul and 31st Jul 2026.

Day & Night AQI Trend : Jul 2026

Hikari, Yamaguchi, Japan

Jul
02nd - 03rd03rd - 04th04th - 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
Day
Night
2nd Jul 202685 AMAQI
2nd Jul 2026106 AMAQI
2nd Jul 202687 AMAQI
2nd Jul 202688 AMAQI
2nd Jul 2026129 AMAQI
2nd Jul 20261210 AMAQI
2nd Jul 20261211 AMAQI
2nd Jul 20261212 PMAQI
2nd Jul 2026141 PMAQI
2nd Jul 2026122 PMAQI
2nd Jul 2026173 PMAQI
2nd Jul 2026194 PMAQI
2nd Jul 2026125 PMAQI
2nd Jul 2026176 PMAQI
2nd Jul 2026277 PMAQI
2nd Jul 2026278 PMAQI
2nd Jul 2026259 PMAQI
2nd Jul 20262610 PMAQI
2nd Jul 20262211 PMAQI
3rd Jul 20262512 AMAQI
3rd Jul 2026241 AMAQI
3rd Jul 2026242 AMAQI
3rd Jul 2026263 AMAQI
3rd Jul 2026224 AMAQI

24°C20/27°C

3rd Jul 2026245 AMAQI
3rd Jul 2026246 AMAQI
3rd Jul 2026267 AMAQI
3rd Jul 2026268 AMAQI
3rd Jul 2026229 AMAQI
3rd Jul 20262010 AMAQI
3rd Jul 20262211 AMAQI
3rd Jul 20262212 PMAQI
3rd Jul 2026231 PMAQI
3rd Jul 2026262 PMAQI
3rd Jul 2026243 PMAQI
3rd Jul 2026264 PMAQI
3rd Jul 2026265 PMAQI
3rd Jul 2026256 PMAQI
3rd Jul 2026257 PMAQI
3rd Jul 2026268 PMAQI
3rd Jul 2026249 PMAQI
3rd Jul 20262210 PMAQI
3rd Jul 20262811 PMAQI
4th Jul 20262812 AMAQI
4th Jul 2026281 AMAQI
4th Jul 2026282 AMAQI
4th Jul 2026263 AMAQI
4th Jul 2026244 AMAQI

23°C19/27°C

4th Jul 2026285 AMAQI
4th Jul 2026256 AMAQI
4th Jul 2026267 AMAQI
4th Jul 2026248 AMAQI
4th Jul 2026249 AMAQI
4th Jul 20262410 AMAQI
4th Jul 20262111 AMAQI
4th Jul 20262012 PMAQI
4th Jul 2026211 PMAQI
4th Jul 2026242 PMAQI
4th Jul 2026263 PMAQI
4th Jul 2026264 PMAQI
4th Jul 2026265 PMAQI
4th Jul 2026266 PMAQI
4th Jul 2026257 PMAQI
4th Jul 2026268 PMAQI
4th Jul 2026249 PMAQI
4th Jul 20262410 PMAQI
4th Jul 20262411 PMAQI
5th Jul 20262612 AMAQI
5th Jul 2026251 AMAQI
5th Jul 2026242 AMAQI
5th Jul 2026253 AMAQI
5th Jul 2026224 AMAQI

22°C21/23°C

5th Jul 2026245 AMAQI
5th Jul 2026246 AMAQI
5th Jul 2026227 AMAQI
5th Jul 2026248 AMAQI
5th Jul 2026219 AMAQI
5th Jul 20262010 AMAQI
5th Jul 20261911 AMAQI
5th Jul 20261812 PMAQI
5th Jul 2026191 PMAQI
5th Jul 2026202 PMAQI
5th Jul 2026243 PMAQI
5th Jul 2026224 PMAQI
5th Jul 2026245 PMAQI
5th Jul 2026206 PMAQI
5th Jul 2026187 PMAQI
5th Jul 2026208 PMAQI
5th Jul 2026209 PMAQI
5th Jul 20262010 PMAQI
5th Jul 20262211 PMAQI
6th Jul 20262212 AMAQI
6th Jul 2026241 AMAQI
6th Jul 2026222 AMAQI
6th Jul 2026163 AMAQI
6th Jul 2026234 AMAQI

23°C22/24°C

6th Jul 2026205 AMAQI
6th Jul 2026236 AMAQI
6th Jul 2026107 AMAQI
6th Jul 2026168 AMAQI
6th Jul 2026139 AMAQI
6th Jul 20261810 AMAQI
6th Jul 20262011 AMAQI
6th Jul 20261412 PMAQI
6th Jul 2026181 PMAQI
6th Jul 2026222 PMAQI
6th Jul 2026223 PMAQI
6th Jul 2026214 PMAQI
6th Jul 2026205 PMAQI
6th Jul 2026176 PMAQI
6th Jul 2026207 PMAQI
6th Jul 2026228 PMAQI
6th Jul 2026249 PMAQI
6th Jul 20262610 PMAQI
6th Jul 20262611 PMAQI
7th Jul 20262712 AMAQI
7th Jul 2026291 AMAQI
7th Jul 2026262 AMAQI
7th Jul 2026283 AMAQI
7th Jul 2026244 AMAQI

24°C23/27°C

7th Jul 2026285 AMAQI
7th Jul 2026286 AMAQI
7th Jul 2026257 AMAQI
7th Jul 2026288 AMAQI
7th Jul 2026239 AMAQI
7th Jul 20262410 AMAQI
7th Jul 20262211 AMAQI
7th Jul 20262212 PMAQI
7th Jul 2026221 PMAQI
7th Jul 2026262 PMAQI
7th Jul 2026303 PMAQI
7th Jul 2026204 PMAQI
7th Jul 2026165 PMAQI
7th Jul 2026246 PMAQI
7th Jul 2026287 PMAQI
7th Jul 2026268 PMAQI
7th Jul 2026279 PMAQI
7th Jul 20262610 PMAQI
7th Jul 20262611 PMAQI
8th Jul 20262712 AMAQI
8th Jul 2026271 AMAQI
8th Jul 2026262 AMAQI
8th Jul 2026243 AMAQI
8th Jul 2026274 AMAQI

25°C22/28°C

8th Jul 2026245 AMAQI
8th Jul 2026286 AMAQI
8th Jul 2026267 AMAQI
8th Jul 2026268 AMAQI
8th Jul 2026249 AMAQI
8th Jul 20262410 AMAQI
8th Jul 20262411 AMAQI
8th Jul 20262612 PMAQI
8th Jul 2026241 PMAQI
8th Jul 2026232 PMAQI
8th Jul 2026263 PMAQI
8th Jul 2026274 PMAQI
8th Jul 2026205 PMAQI
8th Jul 2026216 PMAQI
8th Jul 2026187 PMAQI
8th Jul 2026188 PMAQI
8th Jul 2026199 PMAQI
8th Jul 20262010 PMAQI
8th Jul 20261811 PMAQI
9th Jul 20261812 AMAQI
9th Jul 2026241 AMAQI
9th Jul 2026282 AMAQI
9th Jul 2026273 AMAQI
9th Jul 2026254 AMAQI

25°C23/28°C

9th Jul 2026255 AMAQI
9th Jul 2026256 AMAQI
9th Jul 2026267 AMAQI
9th Jul 2026268 AMAQI
9th Jul 2026249 AMAQI
9th Jul 20262310 AMAQI
9th Jul 20262211 AMAQI
9th Jul 20261612 PMAQI
9th Jul 2026191 PMAQI
9th Jul 2026222 PMAQI
9th Jul 2026233 PMAQI
9th Jul 2026244 PMAQI
9th Jul 2026245 PMAQI
9th Jul 2026236 PMAQI
9th Jul 2026247 PMAQI
9th Jul 2026228 PMAQI
9th Jul 2026229 PMAQI
9th Jul 20262410 PMAQI
9th Jul 20262611 PMAQI
10th Jul 20262812 AMAQI
10th Jul 2026281 AMAQI
10th Jul 2026262 AMAQI
10th Jul 2026263 AMAQI
10th Jul 2026244 AMAQI

24°C22/27°C

10th Jul 2026265 AMAQI
10th Jul 2026286 AMAQI
10th Jul 2026267 AMAQI
10th Jul 2026288 AMAQI
10th Jul 2026269 AMAQI
10th Jul 20262510 AMAQI
10th Jul 20262611 AMAQI
10th Jul 20262512 PMAQI
10th Jul 2026221 PMAQI
10th Jul 2026222 PMAQI
10th Jul 2026223 PMAQI
10th Jul 2026244 PMAQI
10th Jul 2026305 PMAQI
10th Jul 2026186 PMAQI
10th Jul 2026287 PMAQI
10th Jul 2026268 PMAQI
10th Jul 2026299 PMAQI
10th Jul 20262810 PMAQI
10th Jul 20263011 PMAQI
11th Jul 20263212 AMAQI
11th Jul 2026321 AMAQI
11th Jul 2026302 AMAQI
11th Jul 2026293 AMAQI
11th Jul 2026264 AMAQI

24°C21/28°C

11th Jul 2026295 AMAQI
11th Jul 2026286 AMAQI
11th Jul 2026297 AMAQI
11th Jul 2026308 AMAQI
11th Jul 2026329 AMAQI
11th Jul 20262010 AMAQI
11th Jul 20261611 AMAQI
11th Jul 20261612 PMAQI
11th Jul 2026231 PMAQI
11th Jul 2026222 PMAQI
11th Jul 2026213 PMAQI
11th Jul 2026244 PMAQI
11th Jul 2026285 PMAQI
11th Jul 2026266 PMAQI
11th Jul 2026287 PMAQI
11th Jul 2026268 PMAQI
11th Jul 2026309 PMAQI
11th Jul 20262710 PMAQI
11th Jul 20262811 PMAQI
12th Jul 20263012 AMAQI
12th Jul 2026201 AMAQI
12th Jul 2026302 AMAQI
12th Jul 2026283 AMAQI
12th Jul 2026254 AMAQI

25°C22/29°C

12th Jul 2026305 AMAQI
12th Jul 2026286 AMAQI
12th Jul 2026257 AMAQI
12th Jul 2026288 AMAQI
12th Jul 2026309 AMAQI
12th Jul 20263010 AMAQI
12th Jul 20262611 AMAQI
12th Jul 20262612 PMAQI
12th Jul 2026241 PMAQI
12th Jul 2026242 PMAQI
12th Jul 2026243 PMAQI
12th Jul 2026234 PMAQI
12th Jul 2026285 PMAQI
12th Jul 2026286 PMAQI
12th Jul 2026307 PMAQI
12th Jul 2026268 PMAQI
12th Jul 2026319 PMAQI
12th Jul 20263010 PMAQI
12th Jul 20262811 PMAQI
13th Jul 20263012 AMAQI
13th Jul 2026291 AMAQI
13th Jul 2026312 AMAQI
13th Jul 2026283 AMAQI
13th Jul 2026264 AMAQI

26°C23/29°C

13th Jul 2026265 AMAQI
13th Jul 2026286 AMAQI
13th Jul 2026257 AMAQI
13th Jul 2026288 AMAQI
13th Jul 2026289 AMAQI
13th Jul 20263210 AMAQI
13th Jul 20262911 AMAQI
13th Jul 20263012 PMAQI
13th Jul 2026281 PMAQI
13th Jul 2026562 PMAQI
13th Jul 2026503 PMAQI
13th Jul 2026544 PMAQI
13th Jul 2026555 PMAQI
13th Jul 2026496 PMAQI
13th Jul 2026487 PMAQI
13th Jul 2026518 PMAQI
13th Jul 2026559 PMAQI
13th Jul 20265510 PMAQI
13th Jul 20265711 PMAQI
14th Jul 20265512 AMAQI
14th Jul 2026361 AMAQI
14th Jul 2026382 AMAQI
14th Jul 2026383 AMAQI
14th Jul 2026364 AMAQI

27°C24/32°C

14th Jul 2026335 AMAQI
14th Jul 2026276 AMAQI
14th Jul 2026277 AMAQI
14th Jul 2026278 AMAQI
14th Jul 2026279 AMAQI
14th Jul 20264010 AMAQI
14th Jul 20262711 AMAQI
14th Jul 20263312 PMAQI
14th Jul 2026361 PMAQI
14th Jul 2026312 PMAQI
14th Jul 2026203 PMAQI
14th Jul 2026234 PMAQI
14th Jul 2026295 PMAQI
14th Jul 2026296 PMAQI
14th Jul 2026287 PMAQI
14th Jul 2026308 PMAQI
14th Jul 2026329 PMAQI
14th Jul 20263410 PMAQI
14th Jul 20263111 PMAQI
15th Jul 20263212 AMAQI
15th Jul 2026311 AMAQI
15th Jul 2026362 AMAQI
15th Jul 2026313 AMAQI
15th Jul 2026264 AMAQI

27°C24/31°C

15th Jul 2026285 AMAQI
15th Jul 2026266 AMAQI
15th Jul 2026287 AMAQI
15th Jul 2026308 AMAQI
15th Jul 2026289 AMAQI
15th Jul 20263010 AMAQI
15th Jul 20262211 AMAQI
15th Jul 20262212 PMAQI
15th Jul 2026221 PMAQI
15th Jul 2026242 PMAQI
15th Jul 2026203 PMAQI
15th Jul 2026224 PMAQI
15th Jul 2026245 PMAQI
15th Jul 2026266 PMAQI
15th Jul 2026237 PMAQI
15th Jul 2026248 PMAQI
15th Jul 2026259 PMAQI
15th Jul 20262610 PMAQI
15th Jul 20262611 PMAQI
16th Jul 20262612 AMAQI
16th Jul 2026261 AMAQI
16th Jul 2026302 AMAQI
16th Jul 2026283 AMAQI
16th Jul 2026264 AMAQI

26°C23/30°C

16th Jul 2026295 AMAQI
16th Jul 2026286 AMAQI
16th Jul 2026307 AMAQI
16th Jul 2026308 AMAQI
16th Jul 2026299 AMAQI
16th Jul 20262710 AMAQI
16th Jul 20262911 AMAQI
16th Jul 20262612 PMAQI
16th Jul 2026241 PMAQI
16th Jul 2026212 PMAQI
16th Jul 2026223 PMAQI
16th Jul 2026224 PMAQI
16th Jul 2026245 PMAQI
16th Jul 2026286 PMAQI
16th Jul 2026307 PMAQI
16th Jul 2026268 PMAQI
16th Jul 2026289 PMAQI
16th Jul 20263010 PMAQI
16th Jul 20262911 PMAQI
17th Jul 20263012 AMAQI
17th Jul 2026281 AMAQI
17th Jul 2026312 AMAQI
17th Jul 2026263 AMAQI
17th Jul 2026304 AMAQI

27°C24/32°C

17th Jul 2026295 AMAQI
17th Jul 2026286 AMAQI
17th Jul 2026267 AMAQI
17th Jul 2026258 AMAQI
17th Jul 2026279 AMAQI
17th Jul 20262810 AMAQI
17th Jul 20263011 AMAQI
17th Jul 20263012 PMAQI
17th Jul 2026281 PMAQI
17th Jul 2026232 PMAQI
17th Jul 2026243 PMAQI
17th Jul 2026384 PMAQI
17th Jul 2026405 PMAQI
17th Jul 2026386 PMAQI
17th Jul 2026387 PMAQI
17th Jul 2026408 PMAQI
17th Jul 2026409 PMAQI
17th Jul 20264010 PMAQI
17th Jul 20264011 PMAQI
18th Jul 20264012 AMAQI
18th Jul 2026441 AMAQI
18th Jul 2026422 AMAQI
18th Jul 2026403 AMAQI
18th Jul 2026444 AMAQI

26°C23/29°C

18th Jul 2026445 AMAQI
18th Jul 2026466 AMAQI
18th Jul 2026467 AMAQI
18th Jul 2026488 AMAQI
18th Jul 2026449 AMAQI
18th Jul 20264810 AMAQI
18th Jul 20264411 AMAQI
18th Jul 20264812 PMAQI
18th Jul 2026481 PMAQI
18th Jul 2026482 PMAQI
18th Jul 2026503 PMAQI
18th Jul 2026524 PMAQI
18th Jul 2026625 PMAQI
18th Jul 2026576 PMAQI
18th Jul 2026577 PMAQI
18th Jul 2026598 PMAQI
18th Jul 2026569 PMAQI
18th Jul 20265810 PMAQI
18th Jul 20265611 PMAQI
19th Jul 20265412 AMAQI
19th Jul 2026541 AMAQI
19th Jul 2026512 AMAQI
19th Jul 2026493 AMAQI
19th Jul 2026504 AMAQI

26°C24/30°C

19th Jul 2026465 AMAQI
19th Jul 2026466 AMAQI
19th Jul 2026507 AMAQI
19th Jul 2026468 AMAQI
19th Jul 2026469 AMAQI
19th Jul 20264210 AMAQI
19th Jul 20264611 AMAQI
19th Jul 20264412 PMAQI
19th Jul 2026461 PMAQI
19th Jul 2026442 PMAQI
19th Jul 2026443 PMAQI
19th Jul 2026424 PMAQI
19th Jul 2026425 PMAQI
19th Jul 2026406 PMAQI
19th Jul 2026407 PMAQI
19th Jul 2026428 PMAQI
19th Jul 2026469 PMAQI
19th Jul 20264610 PMAQI
19th Jul 20265111 PMAQI
20th Jul 20265112 AMAQI
20th Jul 2026461 AMAQI
20th Jul 2026552 AMAQI
20th Jul 2026523 AMAQI
20th Jul 2026524 AMAQI

27°C24/30°C

20th Jul 2026465 AMAQI
20th Jul 2026506 AMAQI
20th Jul 2026487 AMAQI
20th Jul 2026488 AMAQI
20th Jul 2026509 AMAQI
20th Jul 20264210 AMAQI
20th Jul 20264011 AMAQI
20th Jul 20263812 PMAQI
20th Jul 2026421 PMAQI
20th Jul 2026382 PMAQI
20th Jul 2026383 PMAQI
20th Jul 2026424 PMAQI
20th Jul 2026445 PMAQI
20th Jul 2026446 PMAQI
20th Jul 2026487 PMAQI
20th Jul 2026488 PMAQI
20th Jul 2026509 PMAQI
20th Jul 20264610 PMAQI
20th Jul 20265011 PMAQI
21st Jul 20264812 AMAQI
21st Jul 2026461 AMAQI
21st Jul 2026502 AMAQI
21st Jul 2026503 AMAQI
21st Jul 2026514 AMAQI

27°C24/30°C

21st Jul 2026535 AMAQI
21st Jul 2026546 AMAQI
21st Jul 2026577 AMAQI
21st Jul 2026608 AMAQI
21st Jul 2026589 AMAQI
21st Jul 20268710 AMAQI
21st Jul 20268511 AMAQI
21st Jul 2026721 PMAQI
21st Jul 2026652 PMAQI
21st Jul 2026653 PMAQI
21st Jul 2026564 PMAQI
21st Jul 2026565 PMAQI
21st Jul 2026606 PMAQI
21st Jul 2026977 PMAQI
21st Jul 2026678 PMAQI
21st Jul 2026689 PMAQI
21st Jul 20266410 PMAQI
21st Jul 20265811 PMAQI
22nd Jul 20265612 AMAQI
22nd Jul 2026571 AMAQI
22nd Jul 2026562 AMAQI
22nd Jul 2026553 AMAQI
22nd Jul 2026624 AMAQI

27°C24/31°C

22nd Jul 2026705 AMAQI
22nd Jul 2026716 AMAQI
22nd Jul 2026737 AMAQI
22nd Jul 2026668 AMAQI
22nd Jul 2026659 AMAQI
22nd Jul 20267410 AMAQI
22nd Jul 20266911 AMAQI
22nd Jul 20266912 PMAQI
22nd Jul 2026651 PMAQI
22nd Jul 2026572 PMAQI
22nd Jul 2026563 PMAQI
22nd Jul 2026534 PMAQI
22nd Jul 2026335 PMAQI
22nd Jul 2026336 PMAQI
22nd Jul 2026367 PMAQI
22nd Jul 2026368 PMAQI
22nd Jul 2026369 PMAQI
22nd Jul 20264310 PMAQI
22nd Jul 20264211 PMAQI
23rd Jul 20263312 AMAQI
23rd Jul 2026271 AMAQI
23rd Jul 2026272 AMAQI
23rd Jul 2026293 AMAQI
23rd Jul 2026294 AMAQI

28°C24/32°C

23rd Jul 2026255 AMAQI
23rd Jul 2026336 AMAQI
23rd Jul 2026257 AMAQI
23rd Jul 2026278 AMAQI
23rd Jul 2026259 AMAQI
23rd Jul 20262510 AMAQI
23rd Jul 20262711 AMAQI
23rd Jul 20263312 PMAQI
23rd Jul 2026331 PMAQI
23rd Jul 2026292 PMAQI
23rd Jul 2026293 PMAQI
23rd Jul 2026524 PMAQI
23rd Jul 2026515 PMAQI
23rd Jul 2026486 PMAQI
23rd Jul 2026407 PMAQI
23rd Jul 2026328 PMAQI
23rd Jul 2026309 PMAQI
23rd Jul 20262110 PMAQI
23rd Jul 20262411 PMAQI
24th Jul 20262312 AMAQI
24th Jul 2026211 AMAQI
24th Jul 2026212 AMAQI
24th Jul 2026293 AMAQI
24th Jul 2026254 AMAQI

28°C24/32°C

24th Jul 2026275 AMAQI
24th Jul 2026236 AMAQI
24th Jul 2026257 AMAQI
24th Jul 2026278 AMAQI
24th Jul 2026339 AMAQI
24th Jul 20263810 AMAQI
24th Jul 20264211 AMAQI
24th Jul 20265312 PMAQI
24th Jul 2026541 PMAQI
24th Jul 2026542 PMAQI
24th Jul 2026523 PMAQI
24th Jul 2026484 PMAQI
24th Jul 2026445 PMAQI
24th Jul 2026486 PMAQI
24th Jul 2026507 PMAQI
24th Jul 2026408 PMAQI
24th Jul 2026429 PMAQI
24th Jul 20263810 PMAQI
24th Jul 20264611 PMAQI
25th Jul 20264212 AMAQI
25th Jul 2026381 AMAQI
25th Jul 2026382 AMAQI
25th Jul 2026333 AMAQI
25th Jul 2026314 AMAQI

28°C24/32°C

25th Jul 2026315 AMAQI
25th Jul 2026296 AMAQI
25th Jul 2026317 AMAQI
25th Jul 2026338 AMAQI
25th Jul 2026299 AMAQI
25th Jul 20262910 AMAQI
25th Jul 20264211 AMAQI
25th Jul 20264212 PMAQI
25th Jul 2026441 PMAQI
25th Jul 2026292 PMAQI
25th Jul 2026293 PMAQI
25th Jul 2026274 PMAQI
25th Jul 2026275 PMAQI
25th Jul 2026256 PMAQI
25th Jul 2026257 PMAQI
25th Jul 2026218 PMAQI
25th Jul 2026239 PMAQI
25th Jul 20262310 PMAQI
25th Jul 20262111 PMAQI
26th Jul 20262112 AMAQI
26th Jul 2026251 AMAQI
26th Jul 2026252 AMAQI
26th Jul 2026253 AMAQI
26th Jul 2026214 AMAQI

28°C24/32°C

26th Jul 2026215 AMAQI
26th Jul 2026256 AMAQI
26th Jul 2026217 AMAQI
26th Jul 2026218 AMAQI
26th Jul 2026259 AMAQI
26th Jul 20262510 AMAQI
26th Jul 20262511 AMAQI
26th Jul 20262512 PMAQI
26th Jul 2026331 PMAQI
26th Jul 2026252 PMAQI
26th Jul 2026253 PMAQI
26th Jul 2026214 PMAQI
26th Jul 2026215 PMAQI
26th Jul 2026216 PMAQI
26th Jul 2026217 PMAQI
26th Jul 2026218 PMAQI
26th Jul 2026219 PMAQI
26th Jul 20262110 PMAQI
26th Jul 20262111 PMAQI
27th Jul 20262512 AMAQI
27th Jul 2026231 AMAQI
27th Jul 2026232 AMAQI
27th Jul 2026273 AMAQI
27th Jul 2026274 AMAQI

28°C23/32°C

27th Jul 2026295 AMAQI
27th Jul 2026296 AMAQI
27th Jul 2026277 AMAQI
27th Jul 2026298 AMAQI
27th Jul 2026299 AMAQI
27th Jul 20262510 AMAQI
27th Jul 20262911 AMAQI
27th Jul 20262912 PMAQI
27th Jul 2026311 PMAQI
27th Jul 2026332 PMAQI
27th Jul 2026333 PMAQI
27th Jul 2026334 PMAQI
27th Jul 2026345 PMAQI
27th Jul 2026366 PMAQI
27th Jul 2026337 PMAQI
27th Jul 2026338 PMAQI
27th Jul 2026339 PMAQI
27th Jul 20263310 PMAQI
27th Jul 20263311 PMAQI
28th Jul 20263112 AMAQI
28th Jul 2026311 AMAQI
28th Jul 2026312 AMAQI
28th Jul 2026313 AMAQI
28th Jul 2026294 AMAQI

28°C25/32°C

28th Jul 2026295 AMAQI
28th Jul 2026296 AMAQI
28th Jul 2026257 AMAQI
28th Jul 2026258 AMAQI
28th Jul 2026259 AMAQI
28th Jul 20262310 AMAQI
28th Jul 20262111 AMAQI
28th Jul 20262112 PMAQI
28th Jul 2026211 PMAQI
28th Jul 2026212 PMAQI
28th Jul 2026213 PMAQI
28th Jul 2026214 PMAQI
28th Jul 2026295 PMAQI
28th Jul 2026256 PMAQI
28th Jul 2026297 PMAQI
28th Jul 2026298 PMAQI
28th Jul 2026259 PMAQI
28th Jul 20262310 PMAQI
28th Jul 20262111 PMAQI
29th Jul 20262312 AMAQI
29th Jul 2026291 AMAQI
29th Jul 2026252 AMAQI
29th Jul 2026233 AMAQI
29th Jul 2026334 AMAQI

28°C24/33°C

29th Jul 2026295 AMAQI
29th Jul 2026296 AMAQI
29th Jul 2026297 AMAQI
29th Jul 2026258 AMAQI
29th Jul 2026259 AMAQI
29th Jul 20262910 AMAQI
29th Jul 20262311 AMAQI
29th Jul 20262512 PMAQI
29th Jul 2026331 PMAQI
29th Jul 2026252 PMAQI
29th Jul 2026253 PMAQI
29th Jul 2026214 PMAQI
29th Jul 2026255 PMAQI
29th Jul 2026216 PMAQI
29th Jul 2026257 PMAQI
29th Jul 2026218 PMAQI
29th Jul 2026239 PMAQI
29th Jul 20262310 PMAQI
29th Jul 20262111 PMAQI
30th Jul 20262512 AMAQI
30th Jul 2026271 AMAQI
30th Jul 2026212 AMAQI
30th Jul 2026213 AMAQI
30th Jul 2026234 AMAQI

26°C23/30°C

30th Jul 2026235 AMAQI
30th Jul 2026216 AMAQI
30th Jul 2026237 AMAQI
30th Jul 2026218 AMAQI
30th Jul 2026219 AMAQI
30th Jul 20262110 AMAQI
30th Jul 20262111 AMAQI
30th Jul 20262112 PMAQI
30th Jul 2026231 PMAQI
30th Jul 2026212 PMAQI
30th Jul 2026233 PMAQI
30th Jul 2026214 PMAQI
30th Jul 2026275 PMAQI
30th Jul 2026296 PMAQI
30th Jul 2026257 PMAQI
30th Jul 2026238 PMAQI
30th Jul 2026259 PMAQI
30th Jul 20262510 PMAQI
30th Jul 20262511 PMAQI
31st Jul 20262512 AMAQI
31st Jul 2026291 AMAQI
31st Jul 2026252 AMAQI
31st Jul 2026253 AMAQI
31st Jul 2026254 AMAQI

28°C24/33°C

31st Jul 2026275 AMAQI
5 AM
31st Jul 2026256 AMAQI
31st Jul 2026257 AMAQI
31st Jul 2026278 AMAQI
31st Jul 2026279 AMAQI
31st Jul 20262910 AMAQI
31st Jul 20262711 AMAQI
31st Jul 20262712 PMAQI
12 PM
31st Jul 2026251 PMAQI
31st Jul 2026252 PMAQI
31st Jul 2026253 PMAQI
31st Jul 2026254 PMAQI
31st Jul 2026255 PMAQI
31st Jul 2026256 PMAQI
31st Jul 2026257 PMAQI
7 PM
31st Jul 2026258 PMAQI
31st Jul 2026259 PMAQI
31st Jul 20262910 PMAQI
31st Jul 20262511 PMAQI
12 AM
4 AM

27°C23/33°C

Day time
Avg. Highest Time
7 PM

33AQI

1 hours / Day
30 hours / Month
Avg. Lowest Time
12 PM

29AQI

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. 33), while the lowest AQI was between 12 PM to 12 PM (Avg. 29).
Night time
Avg. Highest Time
12 AM

32AQI

1 hours / Day
30 hours / Month
Avg. Lowest Time
3 AM - 4 AM

30AQI

2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 12 AM (Avg. 32), while the lowest AQI was between 3 AM to 4 AM (Avg. 30).

2026 Days Vs Air Quality

Hikari, Yamaguchi, Japan

2026

80%

170

20%

42

Total number of days with different AQI categories in last 212 days in 2026 (153 days remaining)

Good
170 Days
Moderate
42 Days
Poor
0 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 80%

Health Risk Level:

Low

In 2026, 80% of 212 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

Hikari, Yamaguchi, 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
34AQI (US)
2nd January 2026
31AQI (US)
3rd January 2026
34AQI (US)
4th January 2026
45AQI (US)
5th January 2026
53AQI (US)
6th January 2026
29AQI (US)
7th January 2026
41AQI (US)
8th January 2026
38AQI (US)
9th January 2026
29AQI (US)
10th January 2026
38AQI (US)
11th January 2026
31AQI (US)
12th January 2026
25AQI (US)
13th January 2026
33AQI (US)
14th January 2026
36AQI (US)
15th January 2026
47AQI (US)
16th January 2026
68AQI (US)
17th January 2026
76AQI (US)
18th January 2026
67AQI (US)
19th January 2026
75AQI (US)
20th January 2026
38AQI (US)
21st January 2026
17AQI (US)
22nd January 2026
26AQI (US)
23rd January 2026
38AQI (US)
24th January 2026
51AQI (US)
25th January 2026
17AQI (US)
26th January 2026
22AQI (US)
27th January 2026
43AQI (US)
28th January 2026
34AQI (US)
29th January 2026
40AQI (US)
30th January 2026
24AQI (US)
31st January 2026
27AQI (US)
1st February 2026
46AQI (US)
2nd February 2026
42AQI (US)
3rd February 2026
29AQI (US)
4th February 2026
36AQI (US)
5th February 2026
40AQI (US)
6th February 2026
44AQI (US)
7th February 2026
26AQI (US)
8th February 2026
28AQI (US)
9th February 2026
38AQI (US)
10th February 2026
40AQI (US)
11th February 2026
23AQI (US)
12th February 2026
35AQI (US)
13th February 2026
58AQI (US)
14th February 2026
65AQI (US)
15th February 2026
49AQI (US)
16th February 2026
64AQI (US)
17th February 2026
23AQI (US)
18th February 2026
30AQI (US)
19th February 2026
49AQI (US)
20th February 2026
40AQI (US)
21st February 2026
68AQI (US)
22nd February 2026
39AQI (US)
23rd February 2026
51AQI (US)
24th February 2026
34AQI (US)
25th February 2026
14AQI (US)
26th February 2026
12AQI (US)
27th February 2026
51AQI (US)
28th February 2026
43AQI (US)
1st March 2026
38AQI (US)
2nd March 2026
49AQI (US)
3rd March 2026
10AQI (US)
4th March 2026
43AQI (US)
5th March 2026
54AQI (US)
6th March 2026
52AQI (US)
7th March 2026
53AQI (US)
8th March 2026
47AQI (US)
9th March 2026
52AQI (US)
10th March 2026
59AQI (US)
11th March 2026
57AQI (US)
12th March 2026
64AQI (US)
13th March 2026
42AQI (US)
14th March 2026
45AQI (US)
15th March 2026
61AQI (US)
16th March 2026
61AQI (US)
17th March 2026
51AQI (US)
18th March 2026
58AQI (US)
19th March 2026
52AQI (US)
20th March 2026
50AQI (US)
21st March 2026
41AQI (US)
22nd March 2026
49AQI (US)
23rd March 2026
31AQI (US)
24th March 2026
49AQI (US)
25th March 2026
62AQI (US)
26th March 2026
35AQI (US)
27th March 2026
49AQI (US)
28th March 2026
72AQI (US)
29th March 2026
71AQI (US)
30th March 2026
53AQI (US)
31st March 2026
14AQI (US)
1st April 2026
12AQI (US)
2nd April 2026
54AQI (US)
3rd April 2026
50AQI (US)
4th April 2026
43AQI (US)
5th April 2026
41AQI (US)
6th April 2026
47AQI (US)
7th April 2026
22AQI (US)
8th April 2026
24AQI (US)
9th April 2026
33AQI (US)
10th April 2026
45AQI (US)
11th April 2026
31AQI (US)
12th April 2026
43AQI (US)
13th April 2026
43AQI (US)
14th April 2026
35AQI (US)
15th April 2026
34AQI (US)
16th April 2026
20AQI (US)
17th April 2026
41AQI (US)
18th April 2026
28AQI (US)
19th April 2026
38AQI (US)
20th April 2026
40AQI (US)
21st April 2026
42AQI (US)
22nd April 2026
44AQI (US)
23rd April 2026
14AQI (US)
24th April 2026
26AQI (US)
25th April 2026
35AQI (US)
26th April 2026
28AQI (US)
27th April 2026
37AQI (US)
28th April 2026
52AQI (US)
29th April 2026
41AQI (US)
30th April 2026
27AQI (US)
1st May 2026
50AQI (US)
2nd May 2026
52AQI (US)
3rd May 2026
36AQI (US)
4th May 2026
24AQI (US)
5th May 2026
24AQI (US)
6th May 2026
29AQI (US)
7th May 2026
30AQI (US)
8th May 2026
26AQI (US)
9th May 2026
27AQI (US)
10th May 2026
30AQI (US)
11th May 2026
31AQI (US)
12th May 2026
30AQI (US)
13th May 2026
39AQI (US)
14th May 2026
33AQI (US)
15th May 2026
34AQI (US)
16th May 2026
78AQI (US)
17th May 2026
64AQI (US)
18th May 2026
53AQI (US)
19th May 2026
46AQI (US)
20th May 2026
61AQI (US)
21st May 2026
65AQI (US)
22nd May 2026
70AQI (US)
23rd May 2026
63AQI (US)
24th May 2026
63AQI (US)
25th May 2026
55AQI (US)
26th May 2026
41AQI (US)
27th May 2026
24AQI (US)
28th May 2026
25AQI (US)
29th May 2026
26AQI (US)
30th May 2026
26AQI (US)
31st May 2026
27AQI (US)
1st June 2026
28AQI (US)
2nd June 2026
27AQI (US)
3rd June 2026
27AQI (US)
4th June 2026
25AQI (US)
5th June 2026
22AQI (US)
6th June 2026
23AQI (US)
7th June 2026
21AQI (US)
8th June 2026
21AQI (US)
9th June 2026
23AQI (US)
10th June 2026
22AQI (US)
11th June 2026
27AQI (US)
12th June 2026
26AQI (US)
13th June 2026
27AQI (US)
14th June 2026
24AQI (US)
15th June 2026
25AQI (US)
16th June 2026
26AQI (US)
17th June 2026
25AQI (US)
18th June 2026
30AQI (US)
19th June 2026
42AQI (US)
20th June 2026
29AQI (US)
21st June 2026
20AQI (US)
22nd June 2026
16AQI (US)
23rd June 2026
22AQI (US)
24th June 2026
20AQI (US)
25th June 2026
25AQI (US)
26th June 2026
30AQI (US)
27th June 2026
27AQI (US)
28th June 2026
28AQI (US)
29th June 2026
27AQI (US)
30th June 2026
42AQI (US)
1st July 2026
31AQI (US)
2nd July 2026
16AQI (US)
3rd July 2026
24AQI (US)
4th July 2026
25AQI (US)
5th July 2026
22AQI (US)
6th July 2026
20AQI (US)
7th July 2026
25AQI (US)
8th July 2026
24AQI (US)
9th July 2026
23AQI (US)
10th July 2026
26AQI (US)
11th July 2026
26AQI (US)
12th July 2026
27AQI (US)
13th July 2026
39AQI (US)
14th July 2026
32AQI (US)
15th July 2026
26AQI (US)
16th July 2026
27AQI (US)
17th July 2026
32AQI (US)
18th July 2026
49AQI (US)
19th July 2026
46AQI (US)
20th July 2026
46AQI (US)
21st July 2026
62AQI (US)
22nd July 2026
56AQI (US)
23rd July 2026
31AQI (US)
24th July 2026
38AQI (US)
25th July 2026
31AQI (US)
26th July 2026
23AQI (US)
27th July 2026
30AQI (US)
28th July 2026
26AQI (US)
29th July 2026
25AQI (US)
30th July 2026
23AQI (US)
31st July 2026
26AQI (US)
1st August 2026
2nd August 2026
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

39AQI (US)

40AQI (US)

49AQI (US)

36AQI (US)

41AQI (US)

26AQI (US)

31AQI (US)

No. of days

Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days

202637AQI (US)

25
6
22
6
15
16
28
2
21
10
30
29
2
170
42

Highest AQI (US) recorded in

March

49AQI (US)

Lowest AQI (US) recorded in

June

26AQI (US)

202545AQI (US)

27
4
25
3
17
14
18
12
23
8
20
10
17
14
29
2
30
17
14
11
19
18
13
252
113

Highest AQI (US) recorded in

November

54AQI (US)

Lowest AQI (US) recorded in

September

30AQI (US)

202437AQI (US)

28
3
24
5
20
11
15
13
2
26
5
27
3
31
27
4
27
3
31
24
6
31
311
53
2

Highest AQI (US) recorded in

April

52AQI (US)

Lowest AQI (US) recorded in

July

28AQI (US)

202341AQI (US)

22
6
2
25
3
16
15
11
19
21
10
22
8
30
1
31
27
3
26
5
21
8
21
10
273
88
2

Highest AQI (US) recorded in

April

56AQI (US)

Lowest AQI (US) recorded in

August

24AQI (US)

202243AQI (US)

26
4
17
4
17
14
10
7
9
22
22
8
21
1
25
3
25
6
19
11
29
2
221
81

Highest AQI (US) recorded in

May

55AQI (US)

Lowest AQI (US) recorded in

August

34AQI (US)

202139AQI (US)

27
3
24
4
27
2
20
1
26
5
17
13
28
3
28
3
23
7
28
3
26
4
28
3
302
51

Highest AQI (US) recorded in

June

50AQI (US)

Lowest AQI (US) recorded in

April

32AQI (US)

202035AQI (US)

13
17
4
17
1
21
9
30
1
14
7
1
14
5
29
2
28
2
29
2
212
33
1

Highest AQI (US) recorded in

June

44AQI (US)

Lowest AQI (US) recorded in

October

30AQI (US)

Most & Least Polluted Years Over the Last 7 Years

Most Polluted Year Recorded
2025(Avg.)
45AQI (US)
Least Polluted Year Recorded
2020(Avg.)
35AQI (US)

Hikari's annual 2026 AQI (US) (37) shows an average percentage change of -6.8% (improved AQI (US)) compared to previous years: 2020 (35), 2021 (39), 2022 (43), 2023 (41), 2024 (37), 2025 (45).