Hirao, 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+
August Air Quality Analysis
Hirao, Yamaguchi, Japan
2022
2023
2024
2025
2026
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
6th Aug 2024
65AQILowest AQI recorded on
29th Aug 2024
14AQISame Day Analysis (4th August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 3rd highest AQI at 47 of Good air quality, showing improvement over 2025 and 2024 on the same day.
Day & Night AQI Trend: 3rd Aug - 4th Aug 2026
Hirao, Yamaguchi, Japan
AQI
Day
Night
.
5 AM3rd Aug 2026
7 PM
4 AM4th Aug 2026
Day time
Avg. Highest Time
2PM3rd Aug
54AQI
Avg. Lowest Time
7AM3rd Aug
44AQI
Night time
Avg. Highest Time
8PM3rd Aug
52AQI
Avg. Lowest Time
12AM4th Aug
46AQI
In the last 24 hours,
Hirao's AQI reached its highest point of 54 at 2 PM during the Day, while the lowest point, 44, was recorded at 7 AM during the Day between 3rd Aug and 4th Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Hirao, Yamaguchi, Japan
JulAug
06th - 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 - 03rd03rd - 04th04th
Day
Night
6th Jul 202685 AMAQI
6th Jul 202686 AMAQI
6th Jul 202687 AMAQI
6th Jul 2026228 AMAQI
6th Jul 2026129 AMAQI
6th Jul 20261610 AMAQI
6th Jul 20262111 AMAQI
6th Jul 20261212 PMAQI
6th Jul 2026181 PMAQI
6th Jul 2026202 PMAQI
6th Jul 2026133 PMAQI
6th Jul 2026254 PMAQI
6th Jul 2026145 PMAQI
6th Jul 2026146 PMAQI
6th Jul 2026207 PMAQI
6th Jul 2026258 PMAQI
6th Jul 2026249 PMAQI
6th Jul 20262810 PMAQI
6th Jul 20262811 PMAQI
7th Jul 20263012 AMAQI
7th Jul 2026261 AMAQI
7th Jul 2026302 AMAQI
7th Jul 2026263 AMAQI
7th Jul 2026264 AMAQI
24°C23/26°C
7th Jul 2026285 AMAQI
7th Jul 2026266 AMAQI
7th Jul 2026267 AMAQI
7th Jul 2026278 AMAQI
7th Jul 2026229 AMAQI
7th Jul 20262410 AMAQI
7th Jul 20262211 AMAQI
7th Jul 20262012 PMAQI
7th Jul 2026221 PMAQI
7th Jul 2026222 PMAQI
7th Jul 2026293 PMAQI
7th Jul 2026224 PMAQI
7th Jul 2026165 PMAQI
7th Jul 2026226 PMAQI
7th Jul 2026287 PMAQI
7th Jul 2026248 PMAQI
7th Jul 2026289 PMAQI
7th Jul 20262610 PMAQI
7th Jul 20262511 PMAQI
8th Jul 20263012 AMAQI
8th Jul 2026301 AMAQI
8th Jul 2026262 AMAQI
8th Jul 2026263 AMAQI
8th Jul 2026264 AMAQI
24°C23/27°C
8th Jul 2026265 AMAQI
8th Jul 2026266 AMAQI
8th Jul 2026267 AMAQI
8th Jul 2026298 AMAQI
8th Jul 2026249 AMAQI
8th Jul 20261610 AMAQI
8th Jul 20262211 AMAQI
8th Jul 20262412 PMAQI
8th Jul 2026221 PMAQI
8th Jul 2026242 PMAQI
8th Jul 2026273 PMAQI
8th Jul 2026284 PMAQI
8th Jul 2026225 PMAQI
8th Jul 2026226 PMAQI
8th Jul 2026167 PMAQI
8th Jul 2026148 PMAQI
8th Jul 2026149 PMAQI
8th Jul 20261410 PMAQI
8th Jul 20261511 PMAQI
9th Jul 20262712 AMAQI
9th Jul 2026261 AMAQI
9th Jul 2026292 AMAQI
9th Jul 2026183 AMAQI
9th Jul 2026244 AMAQI
25°C23/27°C
9th Jul 2026165 AMAQI
9th Jul 202686 AMAQI
9th Jul 2026117 AMAQI
9th Jul 2026278 AMAQI
9th Jul 2026209 AMAQI
9th Jul 20262210 AMAQI
9th Jul 20262011 AMAQI
9th Jul 20261212 PMAQI
9th Jul 202691 PMAQI
9th Jul 2026172 PMAQI
9th Jul 2026243 PMAQI
9th Jul 2026234 PMAQI
9th Jul 2026255 PMAQI
9th Jul 2026226 PMAQI
9th Jul 2026227 PMAQI
9th Jul 2026188 PMAQI
9th Jul 2026229 PMAQI
9th Jul 20262610 PMAQI
9th Jul 20262711 PMAQI
10th Jul 20262812 AMAQI
10th Jul 2026261 AMAQI
10th Jul 2026262 AMAQI
10th Jul 2026243 AMAQI
10th Jul 2026234 AMAQI
24°C22/27°C
10th Jul 2026185 AMAQI
10th Jul 2026266 AMAQI
10th Jul 2026267 AMAQI
10th Jul 2026278 AMAQI
10th Jul 2026289 AMAQI
10th Jul 20262810 AMAQI
10th Jul 20262611 AMAQI
10th Jul 20262612 PMAQI
10th Jul 2026231 PMAQI
10th Jul 2026242 PMAQI
10th Jul 2026223 PMAQI
10th Jul 2026244 PMAQI
10th Jul 2026285 PMAQI
10th Jul 2026176 PMAQI
10th Jul 2026287 PMAQI
10th Jul 2026188 PMAQI
10th Jul 2026189 PMAQI
10th Jul 20263010 PMAQI
10th Jul 20263211 PMAQI
11th Jul 20263012 AMAQI
11th Jul 202691 AMAQI
11th Jul 2026182 AMAQI
11th Jul 2026283 AMAQI
11th Jul 202694 AMAQI
24°C22/27°C
11th Jul 2026185 AMAQI
11th Jul 2026106 AMAQI
11th Jul 202697 AMAQI
11th Jul 2026208 AMAQI
11th Jul 2026309 AMAQI
11th Jul 20262410 AMAQI
11th Jul 20262511 AMAQI
11th Jul 20262412 PMAQI
11th Jul 2026211 PMAQI
11th Jul 2026202 PMAQI
11th Jul 2026213 PMAQI
11th Jul 2026244 PMAQI
11th Jul 2026175 PMAQI
11th Jul 2026286 PMAQI
11th Jul 202687 PMAQI
11th Jul 2026188 PMAQI
11th Jul 2026199 PMAQI
11th Jul 20262810 PMAQI
11th Jul 20262811 PMAQI
12th Jul 2026912 AMAQI
12th Jul 2026201 AMAQI
12th Jul 2026302 AMAQI
12th Jul 2026293 AMAQI
12th Jul 2026244 AMAQI
25°C23/28°C
12th Jul 2026275 AMAQI
12th Jul 2026286 AMAQI
12th Jul 2026287 AMAQI
12th Jul 2026178 AMAQI
12th Jul 2026299 AMAQI
12th Jul 20263010 AMAQI
12th Jul 20262411 AMAQI
12th Jul 20262412 PMAQI
12th Jul 2026221 PMAQI
12th Jul 2026212 PMAQI
12th Jul 2026203 PMAQI
12th Jul 2026244 PMAQI
12th Jul 2026265 PMAQI
12th Jul 2026276 PMAQI
12th Jul 2026297 PMAQI
12th Jul 2026268 PMAQI
12th Jul 2026309 PMAQI
12th Jul 20262910 PMAQI
12th Jul 20262611 PMAQI
13th Jul 20262812 AMAQI
13th Jul 2026281 AMAQI
13th Jul 2026292 AMAQI
13th Jul 2026263 AMAQI
13th Jul 2026284 AMAQI
26°C23/28°C
13th Jul 2026285 AMAQI
13th Jul 2026286 AMAQI
13th Jul 2026287 AMAQI
13th Jul 2026288 AMAQI
13th Jul 2026319 AMAQI
13th Jul 20263010 AMAQI
13th Jul 20262811 AMAQI
13th Jul 20262812 PMAQI
13th Jul 2026251 PMAQI
13th Jul 2026242 PMAQI
13th Jul 2026223 PMAQI
13th Jul 2026244 PMAQI
13th Jul 2026305 PMAQI
13th Jul 2026306 PMAQI
13th Jul 2026307 PMAQI
13th Jul 2026318 PMAQI
13th Jul 2026319 PMAQI
13th Jul 20263310 PMAQI
13th Jul 20263511 PMAQI
14th Jul 20263512 AMAQI
14th Jul 2026321 AMAQI
14th Jul 2026352 AMAQI
14th Jul 2026323 AMAQI
14th Jul 2026324 AMAQI
27°C24/30°C
14th Jul 2026305 AMAQI
14th Jul 2026336 AMAQI
14th Jul 2026307 AMAQI
14th Jul 2026278 AMAQI
14th Jul 2026299 AMAQI
14th Jul 20262810 AMAQI
14th Jul 20262611 AMAQI
14th Jul 20262212 PMAQI
14th Jul 2026201 PMAQI
14th Jul 2026222 PMAQI
14th Jul 2026203 PMAQI
14th Jul 2026234 PMAQI
14th Jul 2026305 PMAQI
14th Jul 2026306 PMAQI
14th Jul 2026297 PMAQI
14th Jul 2026308 PMAQI
14th Jul 2026309 PMAQI
14th Jul 20263010 PMAQI
14th Jul 20263111 PMAQI
15th Jul 20263212 AMAQI
15th Jul 2026321 AMAQI
15th Jul 2026302 AMAQI
15th Jul 2026313 AMAQI
15th Jul 2026274 AMAQI
27°C24/30°C
15th Jul 2026295 AMAQI
15th Jul 2026246 AMAQI
15th Jul 2026287 AMAQI
15th Jul 2026298 AMAQI
15th Jul 2026289 AMAQI
15th Jul 20263010 AMAQI
15th Jul 20262811 AMAQI
15th Jul 20262412 PMAQI
15th Jul 2026221 PMAQI
15th Jul 2026202 PMAQI
15th Jul 2026203 PMAQI
15th Jul 2026214 PMAQI
15th Jul 2026245 PMAQI
15th Jul 2026266 PMAQI
15th Jul 2026237 PMAQI
15th Jul 2026248 PMAQI
15th Jul 2026249 PMAQI
15th Jul 20262510 PMAQI
15th Jul 20262411 PMAQI
16th Jul 20262412 AMAQI
16th Jul 2026241 AMAQI
16th Jul 2026302 AMAQI
16th Jul 2026283 AMAQI
16th Jul 2026264 AMAQI
26°C24/29°C
16th Jul 2026285 AMAQI
16th Jul 2026286 AMAQI
16th Jul 2026267 AMAQI
16th Jul 2026308 AMAQI
16th Jul 2026309 AMAQI
16th Jul 20262810 AMAQI
16th Jul 20262811 AMAQI
16th Jul 20262612 PMAQI
16th Jul 2026271 PMAQI
16th Jul 2026242 PMAQI
16th Jul 2026243 PMAQI
16th Jul 2026244 PMAQI
16th Jul 2026245 PMAQI
16th Jul 2026266 PMAQI
16th Jul 2026267 PMAQI
16th Jul 2026288 PMAQI
16th Jul 2026289 PMAQI
16th Jul 20262910 PMAQI
16th Jul 20262811 PMAQI
17th Jul 20263012 AMAQI
17th Jul 2026281 AMAQI
17th Jul 2026302 AMAQI
17th Jul 2026313 AMAQI
17th Jul 2026304 AMAQI
27°C25/31°C
17th Jul 2026315 AMAQI
17th Jul 2026286 AMAQI
17th Jul 2026287 AMAQI
17th Jul 2026268 AMAQI
17th Jul 2026279 AMAQI
17th Jul 20262610 AMAQI
17th Jul 20262611 AMAQI
17th Jul 20262612 PMAQI
17th Jul 2026271 PMAQI
17th Jul 2026242 PMAQI
17th Jul 2026223 PMAQI
17th Jul 2026504 PMAQI
17th Jul 2026515 PMAQI
17th Jul 2026526 PMAQI
17th Jul 2026487 PMAQI
17th Jul 2026498 PMAQI
17th Jul 2026499 PMAQI
17th Jul 20265010 PMAQI
17th Jul 20265111 PMAQI
18th Jul 20265112 AMAQI
18th Jul 2026481 AMAQI
18th Jul 2026502 AMAQI
18th Jul 2026493 AMAQI
18th Jul 2026514 AMAQI
26°C24/28°C
18th Jul 2026515 AMAQI
18th Jul 2026516 AMAQI
18th Jul 2026517 AMAQI
18th Jul 2026508 AMAQI
18th Jul 2026529 AMAQI
18th Jul 20265210 AMAQI
18th Jul 20265111 AMAQI
18th Jul 20265412 PMAQI
18th Jul 2026531 PMAQI
18th Jul 2026522 PMAQI
18th Jul 2026543 PMAQI
18th Jul 2026604 PMAQI
18th Jul 2026655 PMAQI
18th Jul 2026646 PMAQI
18th Jul 2026627 PMAQI
18th Jul 2026638 PMAQI
18th Jul 2026649 PMAQI
18th Jul 20266210 PMAQI
18th Jul 20265911 PMAQI
19th Jul 20265512 AMAQI
19th Jul 2026571 AMAQI
19th Jul 2026542 AMAQI
19th Jul 2026553 AMAQI
19th Jul 2026524 AMAQI
27°C24/29°C
19th Jul 2026515 AMAQI
19th Jul 2026526 AMAQI
19th Jul 2026517 AMAQI
19th Jul 2026518 AMAQI
19th Jul 2026469 AMAQI
19th Jul 20264610 AMAQI
19th Jul 20265011 AMAQI
19th Jul 20265012 PMAQI
19th Jul 2026501 PMAQI
19th Jul 2026522 PMAQI
19th Jul 2026513 PMAQI
19th Jul 2026484 PMAQI
19th Jul 2026505 PMAQI
19th Jul 2026496 PMAQI
19th Jul 2026507 PMAQI
19th Jul 2026488 PMAQI
19th Jul 2026509 PMAQI
19th Jul 20265210 PMAQI
19th Jul 20265311 PMAQI
20th Jul 20265212 AMAQI
20th Jul 2026481 AMAQI
20th Jul 2026592 AMAQI
20th Jul 2026553 AMAQI
20th Jul 2026514 AMAQI
27°C24/29°C
20th Jul 2026515 AMAQI
20th Jul 2026526 AMAQI
20th Jul 2026497 AMAQI
20th Jul 2026518 AMAQI
20th Jul 2026469 AMAQI
20th Jul 20264910 AMAQI
20th Jul 20264811 AMAQI
20th Jul 20264412 PMAQI
20th Jul 2026461 PMAQI
20th Jul 2026442 PMAQI
20th Jul 2026403 PMAQI
20th Jul 2026444 PMAQI
20th Jul 2026425 PMAQI
20th Jul 2026506 PMAQI
20th Jul 2026487 PMAQI
20th Jul 2026468 PMAQI
20th Jul 2026489 PMAQI
20th Jul 20264810 PMAQI
20th Jul 20264611 PMAQI
21st Jul 20264612 AMAQI
21st Jul 2026481 AMAQI
21st Jul 2026482 AMAQI
21st Jul 2026463 AMAQI
21st Jul 2026484 AMAQI
27°C25/30°C
21st Jul 2026515 AMAQI
21st Jul 2026526 AMAQI
21st Jul 2026537 AMAQI
21st Jul 2026548 AMAQI
21st Jul 2026569 AMAQI
21st Jul 20267110 AMAQI
21st Jul 20268111 AMAQI
21st Jul 2026721 PMAQI
21st Jul 2026742 PMAQI
21st Jul 2026693 PMAQI
21st Jul 2026664 PMAQI
21st Jul 2026565 PMAQI
21st Jul 2026596 PMAQI
21st Jul 2026907 PMAQI
21st Jul 2026608 PMAQI
21st Jul 2026689 PMAQI
21st Jul 20266410 PMAQI
21st Jul 20266211 PMAQI
22nd Jul 20266312 AMAQI
22nd Jul 2026621 AMAQI
22nd Jul 2026572 AMAQI
22nd Jul 2026573 AMAQI
22nd Jul 2026584 AMAQI
27°C25/30°C
22nd Jul 2026575 AMAQI
22nd Jul 2026546 AMAQI
22nd Jul 2026607 AMAQI
22nd Jul 2026508 AMAQI
22nd Jul 2026569 AMAQI
22nd Jul 20266010 AMAQI
22nd Jul 20266911 AMAQI
22nd Jul 20266912 PMAQI
22nd Jul 2026671 PMAQI
22nd Jul 2026602 PMAQI
22nd Jul 2026593 PMAQI
22nd Jul 2026584 PMAQI
22nd Jul 2026525 PMAQI
22nd Jul 2026496 PMAQI
22nd Jul 2026517 PMAQI
22nd Jul 2026488 PMAQI
22nd Jul 2026509 PMAQI
22nd Jul 20264810 PMAQI
22nd Jul 20264811 PMAQI
23rd Jul 20264412 AMAQI
23rd Jul 2026421 AMAQI
23rd Jul 2026402 AMAQI
23rd Jul 2026383 AMAQI
23rd Jul 2026334 AMAQI
27°C25/31°C
23rd Jul 2026315 AMAQI
23rd Jul 2026366 AMAQI
23rd Jul 2026337 AMAQI
23rd Jul 2026318 AMAQI
23rd Jul 2026319 AMAQI
23rd Jul 20264610 AMAQI
23rd Jul 20263611 AMAQI
23rd Jul 20264412 PMAQI
23rd Jul 2026461 PMAQI
23rd Jul 2026442 PMAQI
23rd Jul 2026443 PMAQI
23rd Jul 2026514 PMAQI
23rd Jul 2026505 PMAQI
23rd Jul 2026566 PMAQI
23rd Jul 2026487 PMAQI
23rd Jul 2026488 PMAQI
23rd Jul 2026429 PMAQI
23rd Jul 20263310 PMAQI
23rd Jul 20263611 PMAQI
24th Jul 20262912 AMAQI
24th Jul 2026331 AMAQI
24th Jul 2026332 AMAQI
24th Jul 2026293 AMAQI
24th Jul 2026294 AMAQI
28°C25/32°C
24th Jul 2026295 AMAQI
24th Jul 2026296 AMAQI
24th Jul 2026317 AMAQI
24th Jul 2026318 AMAQI
24th Jul 2026339 AMAQI
24th Jul 20264010 AMAQI
24th Jul 20264911 AMAQI
24th Jul 20265812 PMAQI
24th Jul 2026571 PMAQI
24th Jul 2026602 PMAQI
24th Jul 2026563 PMAQI
24th Jul 2026544 PMAQI
24th Jul 2026535 PMAQI
24th Jul 2026556 PMAQI
24th Jul 2026547 PMAQI
24th Jul 2026508 PMAQI
24th Jul 2026449 PMAQI
24th Jul 20264210 PMAQI
24th Jul 20265311 PMAQI
25th Jul 20264812 AMAQI
25th Jul 2026441 AMAQI
25th Jul 2026442 AMAQI
25th Jul 2026363 AMAQI
25th Jul 2026364 AMAQI
28°C25/31°C
25th Jul 2026315 AMAQI
25th Jul 2026386 AMAQI
25th Jul 2026337 AMAQI
25th Jul 2026368 AMAQI
25th Jul 2026319 AMAQI
25th Jul 20263610 AMAQI
25th Jul 20265211 AMAQI
25th Jul 20264912 PMAQI
25th Jul 2026501 PMAQI
25th Jul 2026402 PMAQI
25th Jul 2026423 PMAQI
25th Jul 2026444 PMAQI
25th Jul 2026425 PMAQI
25th Jul 2026406 PMAQI
25th Jul 2026387 PMAQI
25th Jul 2026368 PMAQI
25th Jul 2026339 PMAQI
25th Jul 20263110 PMAQI
25th Jul 20262911 PMAQI
26th Jul 20262712 AMAQI
26th Jul 2026211 AMAQI
26th Jul 2026212 AMAQI
26th Jul 2026213 AMAQI
26th Jul 2026214 AMAQI
28°C25/31°C
26th Jul 2026215 AMAQI
26th Jul 2026216 AMAQI
26th Jul 2026217 AMAQI
26th Jul 2026218 AMAQI
26th Jul 2026219 AMAQI
26th Jul 20262510 AMAQI
26th Jul 20262111 AMAQI
26th Jul 20263112 PMAQI
26th Jul 2026251 PMAQI
26th Jul 2026252 PMAQI
26th Jul 2026253 PMAQI
26th Jul 2026254 PMAQI
26th Jul 2026255 PMAQI
26th Jul 2026296 PMAQI
26th Jul 2026277 PMAQI
26th Jul 2026258 PMAQI
26th Jul 2026279 PMAQI
26th Jul 20262910 PMAQI
26th Jul 20262911 PMAQI
27th Jul 20262912 AMAQI
27th Jul 2026291 AMAQI
27th Jul 2026292 AMAQI
27th Jul 2026293 AMAQI
27th Jul 2026314 AMAQI
28°C25/31°C
27th Jul 2026315 AMAQI
27th Jul 2026316 AMAQI
27th Jul 2026337 AMAQI
27th Jul 2026318 AMAQI
27th Jul 2026339 AMAQI
27th Jul 20263310 AMAQI
27th Jul 20263811 AMAQI
27th Jul 20263812 PMAQI
27th Jul 2026401 PMAQI
27th Jul 2026382 PMAQI
27th Jul 2026423 PMAQI
27th Jul 2026404 PMAQI
27th Jul 2026425 PMAQI
27th Jul 2026426 PMAQI
27th Jul 2026427 PMAQI
27th Jul 2026448 PMAQI
27th Jul 2026469 PMAQI
27th Jul 20264010 PMAQI
27th Jul 20264011 PMAQI
28th Jul 20264012 AMAQI
28th Jul 2026421 AMAQI
28th Jul 2026382 AMAQI
28th Jul 2026383 AMAQI
28th Jul 2026364 AMAQI
28°C25/32°C
28th Jul 2026385 AMAQI
28th Jul 2026366 AMAQI
28th Jul 2026337 AMAQI
28th Jul 2026338 AMAQI
28th Jul 2026319 AMAQI
28th Jul 20263310 AMAQI
28th Jul 20263111 AMAQI
28th Jul 20262912 PMAQI
28th Jul 2026271 PMAQI
28th Jul 2026292 PMAQI
28th Jul 2026293 PMAQI
28th Jul 2026254 PMAQI
28th Jul 2026235 PMAQI
28th Jul 2026236 PMAQI
28th Jul 2026217 PMAQI
28th Jul 2026218 PMAQI
28th Jul 2026239 PMAQI
28th Jul 20262110 PMAQI
28th Jul 20262111 PMAQI
29th Jul 20262112 AMAQI
29th Jul 2026211 AMAQI
29th Jul 2026252 AMAQI
29th Jul 2026213 AMAQI
29th Jul 2026334 AMAQI
28°C25/33°C
29th Jul 2026255 AMAQI
29th Jul 2026256 AMAQI
29th Jul 2026297 AMAQI
29th Jul 2026258 AMAQI
29th Jul 2026299 AMAQI
29th Jul 20262110 AMAQI
29th Jul 20262111 AMAQI
29th Jul 20262112 PMAQI
29th Jul 2026231 PMAQI
29th Jul 2026212 PMAQI
29th Jul 2026253 PMAQI
29th Jul 2026234 PMAQI
29th Jul 2026235 PMAQI
29th Jul 2026236 PMAQI
29th Jul 2026277 PMAQI
29th Jul 2026278 PMAQI
29th Jul 2026299 PMAQI
29th Jul 20263310 PMAQI
29th Jul 20262911 PMAQI
30th Jul 20262912 AMAQI
30th Jul 2026291 AMAQI
30th Jul 2026292 AMAQI
30th Jul 2026333 AMAQI
30th Jul 2026294 AMAQI
26°C24/29°C
30th Jul 2026295 AMAQI
30th Jul 2026316 AMAQI
30th Jul 2026317 AMAQI
30th Jul 2026318 AMAQI
30th Jul 2026279 AMAQI
30th Jul 20262710 AMAQI
30th Jul 20262911 AMAQI
30th Jul 20262912 PMAQI
30th Jul 2026291 PMAQI
30th Jul 2026292 PMAQI
30th Jul 2026293 PMAQI
30th Jul 2026294 PMAQI
30th Jul 2026315 PMAQI
30th Jul 2026296 PMAQI
30th Jul 2026257 PMAQI
30th Jul 2026258 PMAQI
30th Jul 2026219 PMAQI
30th Jul 20262310 PMAQI
30th Jul 20262111 PMAQI
31st Jul 20262112 AMAQI
31st Jul 2026211 AMAQI
31st Jul 2026212 AMAQI
31st Jul 2026213 AMAQI
31st Jul 2026214 AMAQI
28°C25/32°C
31st Jul 2026235 AMAQI
31st Jul 2026216 AMAQI
31st Jul 2026217 AMAQI
31st Jul 2026258 AMAQI
31st Jul 2026259 AMAQI
31st Jul 20262710 AMAQI
31st Jul 20262711 AMAQI
31st Jul 20262512 PMAQI
31st Jul 2026251 PMAQI
31st Jul 2026252 PMAQI
31st Jul 2026293 PMAQI
31st Jul 2026274 PMAQI
31st Jul 2026275 PMAQI
31st Jul 2026276 PMAQI
31st Jul 2026297 PMAQI
31st Jul 2026298 PMAQI
31st Jul 2026299 PMAQI
31st Jul 20263110 PMAQI
31st Jul 20262911 PMAQI
1st Aug 20262912 AMAQI
1st Aug 2026291 AMAQI
1st Aug 2026292 AMAQI
1st Aug 2026273 AMAQI
1st Aug 2026274 AMAQI
27°C24/32°C
1st Aug 2026295 AMAQI
1st Aug 2026276 AMAQI
1st Aug 2026297 AMAQI
1st Aug 2026318 AMAQI
1st Aug 2026279 AMAQI
1st Aug 20262910 AMAQI
1st Aug 20262911 AMAQI
1st Aug 20262912 PMAQI
1st Aug 2026291 PMAQI
1st Aug 2026312 PMAQI
1st Aug 2026333 PMAQI
1st Aug 2026384 PMAQI
1st Aug 2026365 PMAQI
1st Aug 2026386 PMAQI
1st Aug 2026407 PMAQI
1st Aug 2026408 PMAQI
1st Aug 2026369 PMAQI
1st Aug 20263110 PMAQI
1st Aug 20263311 PMAQI
2nd Aug 20263112 AMAQI
2nd Aug 2026291 AMAQI
2nd Aug 2026312 AMAQI
2nd Aug 2026333 AMAQI
2nd Aug 2026334 AMAQI
28°C24/33°C
2nd Aug 2026315 AMAQI
2nd Aug 2026336 AMAQI
2nd Aug 2026317 AMAQI
2nd Aug 2026338 AMAQI
2nd Aug 2026319 AMAQI
2nd Aug 20263110 AMAQI
2nd Aug 20263311 AMAQI
2nd Aug 20263812 PMAQI
2nd Aug 2026331 PMAQI
2nd Aug 2026362 PMAQI
2nd Aug 2026363 PMAQI
2nd Aug 2026364 PMAQI
2nd Aug 2026425 PMAQI
2nd Aug 2026426 PMAQI
2nd Aug 2026407 PMAQI
2nd Aug 2026428 PMAQI
2nd Aug 2026469 PMAQI
2nd Aug 20264410 PMAQI
2nd Aug 20264811 PMAQI
3rd Aug 20264612 AMAQI
3rd Aug 2026501 AMAQI
3rd Aug 2026502 AMAQI
3rd Aug 2026463 AMAQI
3rd Aug 2026484 AMAQI
29°C25/33°C
3rd Aug 2026505 AMAQI
3rd Aug 2026486 AMAQI
3rd Aug 2026447 AMAQI
3rd Aug 2026468 AMAQI
3rd Aug 2026469 AMAQI
3rd Aug 20265010 AMAQI
3rd Aug 20265211 AMAQI
3rd Aug 20264812 PMAQI
3rd Aug 2026511 PMAQI
3rd Aug 2026542 PMAQI
3rd Aug 2026543 PMAQI
3rd Aug 2026514 PMAQI
3rd Aug 2026515 PMAQI
3rd Aug 2026516 PMAQI
3rd Aug 2026517 PMAQI
3rd Aug 2026528 PMAQI
3rd Aug 2026519 PMAQI
3rd Aug 20264910 PMAQI
3rd Aug 20265011 PMAQI
4th Aug 20264612 AMAQI
4th Aug 2026491 AMAQI
4th Aug 2026482 AMAQI
4th Aug 2026483 AMAQI
4th Aug 2026484 AMAQI
28°C26/32°C
4th Aug 2026485 AMAQI
5 AM4th Aug 2026466 AMAQI
4th Aug 2026447 AMAQI
4th Aug 2026468 AMAQI
4th Aug 2026429 AMAQI
4th Aug 20264210 AMAQI
4th Aug 20264411 AMAQI
4th Aug 20264612 PMAQI
12 PM4th Aug 2026441 PMAQI
4th Aug 2026442 PMAQI
4th Aug 2026483 PMAQI
4th Aug 2026484 PMAQI
4th Aug 2026505 PMAQI
4th Aug 2026516 PMAQI
4th Aug 2026487 PMAQI
7 PM4th Aug 2026488 PMAQI
4th Aug 2026489 PMAQI
4th Aug 20264610 PMAQI
4th Aug 20264611 PMAQI
12 AM
4 AM
27°C26/30°C
Day time
Avg. Highest Time
4 PM - 7 PM
36AQI
4 hours / Day
120 hours / Month
Avg. Lowest Time
5 AM - 7 AM
32AQI
3 hours / Day
90 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 4 PM to 7 PM (Avg. 36), while the lowest AQI was between 5 AM to 7 AM (Avg. 32).
Night time
Avg. Highest Time
8 PM - 11 PM
36AQI
4 hours / Day
120 hours / Month
Avg. Lowest Time
4 AM
32AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 8 PM to 11 PM (Avg. 36), while the lowest AQI was between 4 AM to 4 AM (Avg. 32).
2026 Days Vs Air Quality
Hirao, Yamaguchi, Japan
2026
85%
183
15%
33
Total number of days with different AQI categories in last 216 days in 2026 (149 days remaining)
Good
183 DaysModerate
33 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 85%
Health Risk Level:
Low
In 2026, 85% of 216 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
Hirao, 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
24AQI (US)
24AQI (US)
2nd January 2026
16AQI (US)
16AQI (US)
3rd January 2026
24AQI (US)
24AQI (US)
4th January 2026
39AQI (US)
39AQI (US)
5th January 2026
38AQI (US)
38AQI (US)
6th January 2026
24AQI (US)
24AQI (US)
7th January 2026
38AQI (US)
38AQI (US)
8th January 2026
28AQI (US)
28AQI (US)
9th January 2026
24AQI (US)
24AQI (US)
10th January 2026
28AQI (US)
28AQI (US)
11th January 2026
28AQI (US)
28AQI (US)
12th January 2026
23AQI (US)
23AQI (US)
13th January 2026
29AQI (US)
29AQI (US)
14th January 2026
35AQI (US)
35AQI (US)
15th January 2026
42AQI (US)
42AQI (US)
16th January 2026
60AQI (US)
60AQI (US)
17th January 2026
69AQI (US)
69AQI (US)
18th January 2026
62AQI (US)
62AQI (US)
19th January 2026
67AQI (US)
67AQI (US)
20th January 2026
25AQI (US)
25AQI (US)
21st January 2026
9AQI (US)
9AQI (US)
22nd January 2026
20AQI (US)
20AQI (US)
23rd January 2026
34AQI (US)
34AQI (US)
24th January 2026
51AQI (US)
51AQI (US)
25th January 2026
17AQI (US)
17AQI (US)
26th January 2026
16AQI (US)
16AQI (US)
27th January 2026
40AQI (US)
40AQI (US)
28th January 2026
32AQI (US)
32AQI (US)
29th January 2026
37AQI (US)
37AQI (US)
30th January 2026
23AQI (US)
23AQI (US)
31st January 2026
20AQI (US)
20AQI (US)
1st February 2026
40AQI (US)
40AQI (US)
2nd February 2026
42AQI (US)
42AQI (US)
3rd February 2026
26AQI (US)
26AQI (US)
4th February 2026
34AQI (US)
34AQI (US)
5th February 2026
40AQI (US)
40AQI (US)
6th February 2026
44AQI (US)
44AQI (US)
7th February 2026
26AQI (US)
26AQI (US)
8th February 2026
29AQI (US)
29AQI (US)
9th February 2026
34AQI (US)
34AQI (US)
10th February 2026
40AQI (US)
40AQI (US)
11th February 2026
22AQI (US)
22AQI (US)
12th February 2026
36AQI (US)
36AQI (US)
13th February 2026
58AQI (US)
58AQI (US)
14th February 2026
58AQI (US)
58AQI (US)
15th February 2026
43AQI (US)
43AQI (US)
16th February 2026
59AQI (US)
59AQI (US)
17th February 2026
18AQI (US)
18AQI (US)
18th February 2026
26AQI (US)
26AQI (US)
19th February 2026
49AQI (US)
49AQI (US)
20th February 2026
41AQI (US)
41AQI (US)
21st February 2026
64AQI (US)
64AQI (US)
22nd February 2026
37AQI (US)
37AQI (US)
23rd February 2026
40AQI (US)
40AQI (US)
24th February 2026
26AQI (US)
26AQI (US)
25th February 2026
14AQI (US)
14AQI (US)
26th February 2026
11AQI (US)
11AQI (US)
27th February 2026
50AQI (US)
50AQI (US)
28th February 2026
33AQI (US)
33AQI (US)
1st March 2026
34AQI (US)
34AQI (US)
2nd March 2026
38AQI (US)
38AQI (US)
3rd March 2026
10AQI (US)
10AQI (US)
4th March 2026
33AQI (US)
33AQI (US)
5th March 2026
46AQI (US)
46AQI (US)
6th March 2026
46AQI (US)
46AQI (US)
7th March 2026
44AQI (US)
44AQI (US)
8th March 2026
37AQI (US)
37AQI (US)
9th March 2026
38AQI (US)
38AQI (US)
10th March 2026
55AQI (US)
55AQI (US)
11th March 2026
53AQI (US)
53AQI (US)
12th March 2026
54AQI (US)
54AQI (US)
13th March 2026
35AQI (US)
35AQI (US)
14th March 2026
41AQI (US)
41AQI (US)
15th March 2026
56AQI (US)
56AQI (US)
16th March 2026
49AQI (US)
49AQI (US)
17th March 2026
39AQI (US)
39AQI (US)
18th March 2026
50AQI (US)
50AQI (US)
19th March 2026
48AQI (US)
48AQI (US)
20th March 2026
48AQI (US)
48AQI (US)
21st March 2026
36AQI (US)
36AQI (US)
22nd March 2026
49AQI (US)
49AQI (US)
23rd March 2026
31AQI (US)
31AQI (US)
24th March 2026
47AQI (US)
47AQI (US)
25th March 2026
60AQI (US)
60AQI (US)
26th March 2026
34AQI (US)
34AQI (US)
27th March 2026
47AQI (US)
47AQI (US)
28th March 2026
70AQI (US)
70AQI (US)
29th March 2026
69AQI (US)
69AQI (US)
30th March 2026
60AQI (US)
60AQI (US)
31st March 2026
14AQI (US)
14AQI (US)
1st April 2026
12AQI (US)
12AQI (US)
2nd April 2026
52AQI (US)
52AQI (US)
3rd April 2026
49AQI (US)
49AQI (US)
4th April 2026
42AQI (US)
42AQI (US)
5th April 2026
40AQI (US)
40AQI (US)
6th April 2026
46AQI (US)
46AQI (US)
7th April 2026
22AQI (US)
22AQI (US)
8th April 2026
22AQI (US)
22AQI (US)
9th April 2026
31AQI (US)
31AQI (US)
10th April 2026
44AQI (US)
44AQI (US)
11th April 2026
28AQI (US)
28AQI (US)
12th April 2026
42AQI (US)
42AQI (US)
13th April 2026
43AQI (US)
43AQI (US)
14th April 2026
32AQI (US)
32AQI (US)
15th April 2026
31AQI (US)
31AQI (US)
16th April 2026
19AQI (US)
19AQI (US)
17th April 2026
31AQI (US)
31AQI (US)
18th April 2026
28AQI (US)
28AQI (US)
19th April 2026
30AQI (US)
30AQI (US)
20th April 2026
32AQI (US)
32AQI (US)
21st April 2026
37AQI (US)
37AQI (US)
22nd April 2026
43AQI (US)
43AQI (US)
23rd April 2026
14AQI (US)
14AQI (US)
24th April 2026
26AQI (US)
26AQI (US)
25th April 2026
35AQI (US)
35AQI (US)
26th April 2026
29AQI (US)
29AQI (US)
27th April 2026
37AQI (US)
37AQI (US)
28th April 2026
51AQI (US)
51AQI (US)
29th April 2026
40AQI (US)
40AQI (US)
30th April 2026
26AQI (US)
26AQI (US)
1st May 2026
46AQI (US)
46AQI (US)
2nd May 2026
52AQI (US)
52AQI (US)
3rd May 2026
36AQI (US)
36AQI (US)
4th May 2026
23AQI (US)
23AQI (US)
5th May 2026
24AQI (US)
24AQI (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
27AQI (US)
27AQI (US)
10th May 2026
28AQI (US)
28AQI (US)
11th May 2026
28AQI (US)
28AQI (US)
12th May 2026
26AQI (US)
26AQI (US)
13th May 2026
35AQI (US)
35AQI (US)
14th May 2026
30AQI (US)
30AQI (US)
15th May 2026
32AQI (US)
32AQI (US)
16th May 2026
76AQI (US)
76AQI (US)
17th May 2026
62AQI (US)
62AQI (US)
18th May 2026
53AQI (US)
53AQI (US)
19th May 2026
46AQI (US)
46AQI (US)
20th May 2026
61AQI (US)
61AQI (US)
21st May 2026
66AQI (US)
66AQI (US)
22nd May 2026
68AQI (US)
68AQI (US)
23rd May 2026
61AQI (US)
61AQI (US)
24th May 2026
63AQI (US)
63AQI (US)
25th May 2026
54AQI (US)
54AQI (US)
26th May 2026
40AQI (US)
40AQI (US)
27th May 2026
24AQI (US)
24AQI (US)
28th May 2026
25AQI (US)
25AQI (US)
29th May 2026
25AQI (US)
25AQI (US)
30th May 2026
23AQI (US)
23AQI (US)
31st May 2026
27AQI (US)
27AQI (US)
1st June 2026
27AQI (US)
27AQI (US)
2nd June 2026
24AQI (US)
24AQI (US)
3rd June 2026
26AQI (US)
26AQI (US)
4th June 2026
25AQI (US)
25AQI (US)
5th June 2026
22AQI (US)
22AQI (US)
6th June 2026
23AQI (US)
23AQI (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
23AQI (US)
23AQI (US)
11th June 2026
25AQI (US)
25AQI (US)
12th June 2026
26AQI (US)
26AQI (US)
13th June 2026
26AQI (US)
26AQI (US)
14th June 2026
35AQI (US)
35AQI (US)
15th June 2026
48AQI (US)
48AQI (US)
16th June 2026
32AQI (US)
32AQI (US)
17th June 2026
25AQI (US)
25AQI (US)
18th June 2026
29AQI (US)
29AQI (US)
19th June 2026
46AQI (US)
46AQI (US)
20th June 2026
27AQI (US)
27AQI (US)
21st June 2026
20AQI (US)
20AQI (US)
22nd June 2026
20AQI (US)
20AQI (US)
23rd June 2026
22AQI (US)
22AQI (US)
24th June 2026
20AQI (US)
20AQI (US)
25th June 2026
25AQI (US)
25AQI (US)
26th June 2026
30AQI (US)
30AQI (US)
27th June 2026
26AQI (US)
26AQI (US)
28th June 2026
27AQI (US)
27AQI (US)
29th June 2026
25AQI (US)
25AQI (US)
30th June 2026
38AQI (US)
38AQI (US)
1st July 2026
34AQI (US)
34AQI (US)
2nd July 2026
15AQI (US)
15AQI (US)
3rd July 2026
24AQI (US)
24AQI (US)
4th July 2026
24AQI (US)
24AQI (US)
5th July 2026
20AQI (US)
20AQI (US)
6th July 2026
18AQI (US)
18AQI (US)
7th July 2026
25AQI (US)
25AQI (US)
8th July 2026
23AQI (US)
23AQI (US)
9th July 2026
21AQI (US)
21AQI (US)
10th July 2026
25AQI (US)
25AQI (US)
11th July 2026
20AQI (US)
20AQI (US)
12th July 2026
25AQI (US)
25AQI (US)
13th July 2026
28AQI (US)
28AQI (US)
14th July 2026
29AQI (US)
29AQI (US)
15th July 2026
26AQI (US)
26AQI (US)
16th July 2026
27AQI (US)
27AQI (US)
17th July 2026
35AQI (US)
35AQI (US)
18th July 2026
55AQI (US)
55AQI (US)
19th July 2026
51AQI (US)
51AQI (US)
20th July 2026
48AQI (US)
48AQI (US)
21st July 2026
61AQI (US)
61AQI (US)
22nd July 2026
57AQI (US)
57AQI (US)
23rd July 2026
41AQI (US)
41AQI (US)
24th July 2026
43AQI (US)
43AQI (US)
25th July 2026
39AQI (US)
39AQI (US)
26th July 2026
24AQI (US)
24AQI (US)
27th July 2026
36AQI (US)
36AQI (US)
28th July 2026
30AQI (US)
30AQI (US)
29th July 2026
25AQI (US)
25AQI (US)
30th July 2026
28AQI (US)
28AQI (US)
31st July 2026
25AQI (US)
25AQI (US)
1st August 2026
32AQI (US)
32AQI (US)
2nd August 2026
36AQI (US)
36AQI (US)
3rd August 2026
50AQI (US)
50AQI (US)
4th August 2026
47AQI (US)
47AQI (US)
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
33AQI (US)
37AQI (US)
44AQI (US)
34AQI (US)
40AQI (US)
27AQI (US)
32AQI (US)
41AQI (US)
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202635AQI (US)
26
5
24
4
23
8
28
2
21
10
30
27
4
4
183
33
Highest AQI (US) recorded in
March44AQI (US)
Lowest AQI (US) recorded in
June27AQI (US)
202544AQI (US)
27
4
25
3
19
12
20
10
22
9
17
13
16
15
24
7
30
24
7
18
12
22
9
264
101
Highest AQI (US) recorded in
July51AQI (US)
Lowest AQI (US) recorded in
September31AQI (US)
202436AQI (US)
30
25
4
27
4
24
6
26
5
27
3
30
1
24
7
28
2
30
1
24
6
31
326
39
Highest AQI (US) recorded in
May42AQI (US)
Lowest AQI (US) recorded in
December32AQI (US)
202338AQI (US)
26
3
1
28
21
10
17
13
25
6
23
7
28
3
29
2
26
4
25
6
22
7
26
5
296
66
1
Highest AQI (US) recorded in
April48AQI (US)
Lowest AQI (US) recorded in
August30AQI (US)
202238AQI (US)
27
3
19
2
25
6
14
3
18
13
22
8
17
6
1
25
3
26
5
24
6
31
249
55
Highest AQI (US) recorded in
May49AQI (US)
Lowest AQI (US) recorded in
December30AQI (US)
202135AQI (US)
26
5
24
4
27
2
20
1
23
8
14
16
30
1
28
3
25
4
1
28
3
24
6
30
1
299
54
1
Highest AQI (US) recorded in
June49AQI (US)
Lowest AQI (US) recorded in
April25AQI (US)
202032AQI (US)
12
1
20
1
17
1
23
7
30
1
14
7
18
1
29
2
28
2
30
1
221
24
Highest AQI (US) recorded in
August47AQI (US)
Lowest AQI (US) recorded in
December26AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Most Polluted Year Recorded
2025(Avg.)
44AQI (US)Least Polluted Year Recorded
2020(Avg.)
32AQI (US)Hirao's annual 2026 AQI (US) (35) shows an average percentage change of -4.9% (improved AQI (US)) compared to previous years: 2020 (32), 2021 (35), 2022 (38), 2023 (38), 2024 (36), 2025 (44).
