Country Background
HistoryAQIPM₂.₅PM₁₀COSO₂NO₂O₃

Hofu, 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

Hofu, Yamaguchi, Japan

2022
2023
2024
2025
2026
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
6th Aug 2024
56AQI
Lowest AQI recorded on
16th Aug 2023
16AQI

Same Day Analysis (1st August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 3rd highest AQI at 32 of Good air quality, showing improvement over 2025 and 2023 on the same day.

Day & Night AQI Trend: 31st Jul - 1st Aug 2026

Hofu, Yamaguchi, Japan

AQI
Day
Night
.

5 AM31st Jul 2026

7 PM

4 AM1st Aug 2026

Day time
Avg. Highest Time
11AM31st Jul

29AQI

Avg. Lowest Time
8AM31st Jul

23AQI

Night time
Avg. Highest Time
9PM31st Jul

31AQI

Avg. Lowest Time
3AM1st Aug

27AQI

In the last 24 hours,

Hofu's AQI reached its highest point of 31 at 9 PM during the Night, while the lowest point, 23, was recorded at 8 AM during the Day between 31st Jul and 1st Aug 2026.

Day & Night AQI Trend : Jul - Aug 2026

Hofu, Yamaguchi, Japan

JulAug
03rd - 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 - 01st01st
Day
Night
3rd Jul 2026255 AMAQI
3rd Jul 2026236 AMAQI
3rd Jul 2026257 AMAQI
3rd Jul 2026268 AMAQI
3rd Jul 2026229 AMAQI
3rd Jul 20262210 AMAQI
3rd Jul 20262211 AMAQI
3rd Jul 20262112 PMAQI
3rd Jul 2026241 PMAQI
3rd Jul 2026262 PMAQI
3rd Jul 2026263 PMAQI
3rd Jul 2026254 PMAQI
3rd Jul 2026265 PMAQI
3rd Jul 2026266 PMAQI
3rd Jul 2026247 PMAQI
3rd Jul 2026258 PMAQI
3rd Jul 2026249 PMAQI
3rd Jul 20262510 PMAQI
3rd Jul 20262611 PMAQI
4th Jul 20262812 AMAQI
4th Jul 2026271 AMAQI
4th Jul 2026252 AMAQI
4th Jul 2026263 AMAQI
4th Jul 2026224 AMAQI

22°C19/26°C

4th Jul 2026245 AMAQI
4th Jul 2026256 AMAQI
4th Jul 2026267 AMAQI
4th Jul 2026238 AMAQI
4th Jul 2026269 AMAQI
4th Jul 20262410 AMAQI
4th Jul 20262211 AMAQI
4th Jul 20262212 PMAQI
4th Jul 2026221 PMAQI
4th Jul 2026222 PMAQI
4th Jul 2026183 PMAQI
4th Jul 2026244 PMAQI
4th Jul 2026235 PMAQI
4th Jul 2026246 PMAQI
4th Jul 2026267 PMAQI
4th Jul 2026298 PMAQI
4th Jul 2026259 PMAQI
4th Jul 20262610 PMAQI
4th Jul 20262811 PMAQI
5th Jul 20262612 AMAQI
5th Jul 2026241 AMAQI
5th Jul 2026242 AMAQI
5th Jul 2026263 AMAQI
5th Jul 2026224 AMAQI

22°C21/24°C

5th Jul 2026245 AMAQI
5th Jul 2026246 AMAQI
5th Jul 2026247 AMAQI
5th Jul 2026238 AMAQI
5th Jul 2026209 AMAQI
5th Jul 20261910 AMAQI
5th Jul 20261811 AMAQI
5th Jul 20261912 PMAQI
5th Jul 2026191 PMAQI
5th Jul 2026202 PMAQI
5th Jul 2026263 PMAQI
5th Jul 2026244 PMAQI
5th Jul 2026215 PMAQI
5th Jul 2026226 PMAQI
5th Jul 2026167 PMAQI
5th Jul 2026208 PMAQI
5th Jul 2026229 PMAQI
5th Jul 20262010 PMAQI
5th Jul 20262411 PMAQI
6th Jul 20262012 AMAQI
6th Jul 2026241 AMAQI
6th Jul 2026242 AMAQI
6th Jul 2026143 AMAQI
6th Jul 2026144 AMAQI

23°C23/24°C

6th Jul 2026155 AMAQI
6th Jul 2026196 AMAQI
6th Jul 2026207 AMAQI
6th Jul 2026228 AMAQI
6th Jul 2026169 AMAQI
6th Jul 20262410 AMAQI
6th Jul 20263611 AMAQI
6th Jul 20261812 PMAQI
6th Jul 2026201 PMAQI
6th Jul 2026222 PMAQI
6th Jul 2026243 PMAQI
6th Jul 2026244 PMAQI
6th Jul 2026195 PMAQI
6th Jul 2026206 PMAQI
6th Jul 2026127 PMAQI
6th Jul 2026228 PMAQI
6th Jul 2026249 PMAQI
6th Jul 20262410 PMAQI
6th Jul 20262811 PMAQI
7th Jul 20262712 AMAQI
7th Jul 2026301 AMAQI
7th Jul 2026282 AMAQI
7th Jul 2026283 AMAQI
7th Jul 2026264 AMAQI

24°C23/27°C

7th Jul 2026185 AMAQI
7th Jul 2026306 AMAQI
7th Jul 2026257 AMAQI
7th Jul 2026268 AMAQI
7th Jul 2026249 AMAQI
7th Jul 20262410 AMAQI
7th Jul 20262211 AMAQI
7th Jul 20262312 PMAQI
7th Jul 2026221 PMAQI
7th Jul 2026222 PMAQI
7th Jul 2026283 PMAQI
7th Jul 2026244 PMAQI
7th Jul 2026275 PMAQI
7th Jul 2026276 PMAQI
7th Jul 2026267 PMAQI
7th Jul 2026268 PMAQI
7th Jul 2026269 PMAQI
7th Jul 20262610 PMAQI
7th Jul 20262611 PMAQI
8th Jul 20262812 AMAQI
8th Jul 2026301 AMAQI
8th Jul 2026282 AMAQI
8th Jul 2026283 AMAQI
8th Jul 2026264 AMAQI

24°C23/27°C

8th Jul 2026285 AMAQI
8th Jul 2026286 AMAQI
8th Jul 2026287 AMAQI
8th Jul 2026268 AMAQI
8th Jul 2026269 AMAQI
8th Jul 20262610 AMAQI
8th Jul 20262211 AMAQI
8th Jul 20262512 PMAQI
8th Jul 2026231 PMAQI
8th Jul 2026262 PMAQI
8th Jul 2026253 PMAQI
8th Jul 2026244 PMAQI
8th Jul 2026215 PMAQI
8th Jul 2026226 PMAQI
8th Jul 2026187 PMAQI
8th Jul 2026198 PMAQI
8th Jul 2026209 PMAQI
8th Jul 20262210 PMAQI
8th Jul 20261811 PMAQI
9th Jul 20261812 AMAQI
9th Jul 2026211 AMAQI
9th Jul 2026262 AMAQI
9th Jul 2026293 AMAQI
9th Jul 2026244 AMAQI

25°C24/26°C

9th Jul 2026285 AMAQI
9th Jul 2026266 AMAQI
9th Jul 202687 AMAQI
9th Jul 2026238 AMAQI
9th Jul 2026239 AMAQI
9th Jul 20262210 AMAQI
9th Jul 20262511 AMAQI
9th Jul 20262212 PMAQI
9th Jul 2026191 PMAQI
9th Jul 2026202 PMAQI
9th Jul 2026223 PMAQI
9th Jul 2026234 PMAQI
9th Jul 2026245 PMAQI
9th Jul 2026226 PMAQI
9th Jul 2026237 PMAQI
9th Jul 2026268 PMAQI
9th Jul 2026229 PMAQI
9th Jul 20262510 PMAQI
9th Jul 20262611 PMAQI
10th Jul 20262712 AMAQI
10th Jul 2026281 AMAQI
10th Jul 2026252 AMAQI
10th Jul 2026223 AMAQI
10th Jul 2026214 AMAQI

24°C23/26°C

10th Jul 2026285 AMAQI
10th Jul 2026276 AMAQI
10th Jul 2026247 AMAQI
10th Jul 2026248 AMAQI
10th Jul 2026269 AMAQI
10th Jul 20262410 AMAQI
10th Jul 20262611 AMAQI
10th Jul 20262412 PMAQI
10th Jul 2026241 PMAQI
10th Jul 2026222 PMAQI
10th Jul 2026223 PMAQI
10th Jul 2026234 PMAQI
10th Jul 2026285 PMAQI
10th Jul 2026266 PMAQI
10th Jul 2026287 PMAQI
10th Jul 2026278 PMAQI
10th Jul 2026289 PMAQI
10th Jul 20262010 PMAQI
10th Jul 20263011 PMAQI
11th Jul 20263012 AMAQI
11th Jul 2026321 AMAQI
11th Jul 2026302 AMAQI
11th Jul 202693 AMAQI
11th Jul 2026154 AMAQI

24°C22/26°C

11th Jul 2026285 AMAQI
11th Jul 202686 AMAQI
11th Jul 2026307 AMAQI
11th Jul 2026318 AMAQI
11th Jul 2026339 AMAQI
11th Jul 20262010 AMAQI
11th Jul 20262611 AMAQI
11th Jul 20262312 PMAQI
11th Jul 2026221 PMAQI
11th Jul 2026242 PMAQI
11th Jul 2026213 PMAQI
11th Jul 2026244 PMAQI
11th Jul 2026305 PMAQI
11th Jul 2026266 PMAQI
11th Jul 2026187 PMAQI
11th Jul 2026288 PMAQI
11th Jul 2026289 PMAQI
11th Jul 20263110 PMAQI
11th Jul 20263011 PMAQI
12th Jul 20262812 AMAQI
12th Jul 2026281 AMAQI
12th Jul 2026282 AMAQI
12th Jul 2026193 AMAQI
12th Jul 2026244 AMAQI

25°C24/27°C

12th Jul 2026265 AMAQI
12th Jul 2026266 AMAQI
12th Jul 2026277 AMAQI
12th Jul 2026308 AMAQI
12th Jul 2026299 AMAQI
12th Jul 20263010 AMAQI
12th Jul 20262811 AMAQI
12th Jul 20262412 PMAQI
12th Jul 2026231 PMAQI
12th Jul 2026242 PMAQI
12th Jul 2026223 PMAQI
12th Jul 2026244 PMAQI
12th Jul 2026305 PMAQI
12th Jul 2026296 PMAQI
12th Jul 2026287 PMAQI
12th Jul 2026288 PMAQI
12th Jul 2026289 PMAQI
12th Jul 20262810 PMAQI
12th Jul 20263011 PMAQI
13th Jul 20262612 AMAQI
13th Jul 2026261 AMAQI
13th Jul 2026262 AMAQI
13th Jul 2026283 AMAQI
13th Jul 2026254 AMAQI

26°C24/28°C

13th Jul 2026265 AMAQI
13th Jul 2026266 AMAQI
13th Jul 2026247 AMAQI
13th Jul 2026268 AMAQI
13th Jul 2026269 AMAQI
13th Jul 20263010 AMAQI
13th Jul 20262711 AMAQI
13th Jul 20262812 PMAQI
13th Jul 2026211 PMAQI
13th Jul 2026552 PMAQI
13th Jul 2026513 PMAQI
13th Jul 2026564 PMAQI
13th Jul 2026625 PMAQI
13th Jul 2026526 PMAQI
13th Jul 2026517 PMAQI
13th Jul 2026568 PMAQI
13th Jul 2026579 PMAQI
13th Jul 20265610 PMAQI
13th Jul 20266011 PMAQI
14th Jul 20265412 AMAQI
14th Jul 2026381 AMAQI
14th Jul 2026382 AMAQI
14th Jul 2026363 AMAQI
14th Jul 2026334 AMAQI

27°C24/30°C

14th Jul 2026335 AMAQI
14th Jul 2026256 AMAQI
14th Jul 2026237 AMAQI
14th Jul 2026258 AMAQI
14th Jul 2026279 AMAQI
14th Jul 20264010 AMAQI
14th Jul 20262511 AMAQI
14th Jul 20263412 PMAQI
14th Jul 2026361 PMAQI
14th Jul 2026312 PMAQI
14th Jul 2026203 PMAQI
14th Jul 2026224 PMAQI
14th Jul 2026305 PMAQI
14th Jul 2026296 PMAQI
14th Jul 2026317 PMAQI
14th Jul 2026308 PMAQI
14th Jul 2026339 PMAQI
14th Jul 20263010 PMAQI
14th Jul 20263011 PMAQI
15th Jul 20263212 AMAQI
15th Jul 2026321 AMAQI
15th Jul 2026302 AMAQI
15th Jul 2026283 AMAQI
15th Jul 2026244 AMAQI

27°C24/30°C

15th Jul 2026305 AMAQI
15th Jul 2026246 AMAQI
15th Jul 2026307 AMAQI
15th Jul 2026268 AMAQI
15th Jul 2026229 AMAQI
15th Jul 20262810 AMAQI
15th Jul 20262411 AMAQI
15th Jul 20262212 PMAQI
15th Jul 2026201 PMAQI
15th Jul 2026202 PMAQI
15th Jul 2026183 PMAQI
15th Jul 2026234 PMAQI
15th Jul 2026225 PMAQI
15th Jul 2026246 PMAQI
15th Jul 2026227 PMAQI
15th Jul 2026268 PMAQI
15th Jul 2026259 PMAQI
15th Jul 20262810 PMAQI
15th Jul 20262411 PMAQI
16th Jul 20262412 AMAQI
16th Jul 2026261 AMAQI
16th Jul 2026282 AMAQI
16th Jul 2026273 AMAQI
16th Jul 2026284 AMAQI

26°C24/29°C

16th Jul 2026285 AMAQI
16th Jul 2026266 AMAQI
16th Jul 2026287 AMAQI
16th Jul 2026308 AMAQI
16th Jul 2026299 AMAQI
16th Jul 20263010 AMAQI
16th Jul 20262811 AMAQI
16th Jul 20262412 PMAQI
16th Jul 2026241 PMAQI
16th Jul 2026222 PMAQI
16th Jul 2026223 PMAQI
16th Jul 2026244 PMAQI
16th Jul 2026265 PMAQI
16th Jul 2026296 PMAQI
16th Jul 2026287 PMAQI
16th Jul 2026258 PMAQI
16th Jul 2026289 PMAQI
16th Jul 20263010 PMAQI
16th Jul 20263111 PMAQI
17th Jul 20262812 AMAQI
17th Jul 2026301 AMAQI
17th Jul 2026282 AMAQI
17th Jul 2026273 AMAQI
17th Jul 2026304 AMAQI

27°C24/31°C

17th Jul 2026265 AMAQI
17th Jul 2026276 AMAQI
17th Jul 2026287 AMAQI
17th Jul 2026248 AMAQI
17th Jul 2026269 AMAQI
17th Jul 20263210 AMAQI
17th Jul 20262811 AMAQI
17th Jul 20263012 PMAQI
17th Jul 2026241 PMAQI
17th Jul 2026262 PMAQI
17th Jul 2026283 PMAQI
17th Jul 2026534 PMAQI
17th Jul 2026545 PMAQI
17th Jul 2026536 PMAQI
17th Jul 2026527 PMAQI
17th Jul 2026548 PMAQI
17th Jul 2026559 PMAQI
17th Jul 20265310 PMAQI
17th Jul 20265411 PMAQI
18th Jul 20265512 AMAQI
18th Jul 2026531 AMAQI
18th Jul 2026552 AMAQI
18th Jul 2026543 AMAQI
18th Jul 2026534 AMAQI

26°C24/28°C

18th Jul 2026525 AMAQI
18th Jul 2026526 AMAQI
18th Jul 2026567 AMAQI
18th Jul 2026538 AMAQI
18th Jul 2026579 AMAQI
18th Jul 20265410 AMAQI
18th Jul 20265711 AMAQI
18th Jul 20265712 PMAQI
18th Jul 2026581 PMAQI
18th Jul 2026662 PMAQI
18th Jul 2026693 PMAQI
18th Jul 2026734 PMAQI
18th Jul 2026715 PMAQI
18th Jul 2026706 PMAQI
18th Jul 2026787 PMAQI
18th Jul 2026738 PMAQI
18th Jul 2026679 PMAQI
18th Jul 20266510 PMAQI
18th Jul 20266211 PMAQI
19th Jul 20266312 AMAQI
19th Jul 2026621 AMAQI
19th Jul 2026622 AMAQI
19th Jul 2026643 AMAQI
19th Jul 2026644 AMAQI

26°C25/29°C

19th Jul 2026655 AMAQI
19th Jul 2026626 AMAQI
19th Jul 2026657 AMAQI
19th Jul 2026648 AMAQI
19th Jul 2026649 AMAQI
19th Jul 20265910 AMAQI
19th Jul 20266211 AMAQI
19th Jul 20266412 PMAQI
19th Jul 2026691 PMAQI
19th Jul 2026652 PMAQI
19th Jul 2026643 PMAQI
19th Jul 2026654 PMAQI
19th Jul 2026625 PMAQI
19th Jul 2026626 PMAQI
19th Jul 2026587 PMAQI
19th Jul 2026568 PMAQI
19th Jul 2026629 PMAQI
19th Jul 20266810 PMAQI
19th Jul 20267811 PMAQI
20th Jul 20267412 AMAQI
20th Jul 2026701 AMAQI
20th Jul 2026662 AMAQI
20th Jul 2026533 AMAQI
20th Jul 2026534 AMAQI

26°C25/29°C

20th Jul 2026625 AMAQI
20th Jul 2026636 AMAQI
20th Jul 2026607 AMAQI
20th Jul 2026598 AMAQI
20th Jul 2026599 AMAQI
20th Jul 20266210 AMAQI
20th Jul 20266611 AMAQI
20th Jul 20266612 PMAQI
20th Jul 2026681 PMAQI
20th Jul 2026662 PMAQI
20th Jul 2026643 PMAQI
20th Jul 2026624 PMAQI
20th Jul 2026605 PMAQI
20th Jul 2026546 PMAQI
20th Jul 2026537 PMAQI
20th Jul 2026648 PMAQI
20th Jul 2026609 PMAQI
20th Jul 20265510 PMAQI
20th Jul 20265511 PMAQI
21st Jul 20265412 AMAQI
21st Jul 2026551 AMAQI
21st Jul 2026522 AMAQI
21st Jul 2026523 AMAQI
21st Jul 2026534 AMAQI

26°C25/29°C

21st Jul 2026535 AMAQI
21st Jul 2026536 AMAQI
21st Jul 2026567 AMAQI
21st Jul 2026538 AMAQI
21st Jul 2026599 AMAQI
21st Jul 20267010 AMAQI
21st Jul 20267611 AMAQI
21st Jul 2026831 PMAQI
21st Jul 2026812 PMAQI
21st Jul 2026803 PMAQI
21st Jul 2026864 PMAQI
21st Jul 2026875 PMAQI
21st Jul 2026806 PMAQI
21st Jul 20261017 PMAQI
21st Jul 2026768 PMAQI
21st Jul 2026749 PMAQI
21st Jul 20267810 PMAQI
21st Jul 20267411 PMAQI
22nd Jul 20267112 AMAQI
22nd Jul 2026751 AMAQI
22nd Jul 2026782 AMAQI
22nd Jul 2026803 AMAQI
22nd Jul 2026824 AMAQI

27°C25/29°C

22nd Jul 2026835 AMAQI
22nd Jul 2026906 AMAQI
22nd Jul 2026947 AMAQI
22nd Jul 2026858 AMAQI
22nd Jul 2026809 AMAQI
22nd Jul 20265810 AMAQI
22nd Jul 20264011 AMAQI
22nd Jul 20264812 PMAQI
22nd Jul 2026481 PMAQI
22nd Jul 2026442 PMAQI
22nd Jul 2026443 PMAQI
22nd Jul 2026424 PMAQI
22nd Jul 2026335 PMAQI
22nd Jul 2026336 PMAQI
22nd Jul 2026337 PMAQI
22nd Jul 2026338 PMAQI
22nd Jul 2026339 PMAQI
22nd Jul 20262910 PMAQI
22nd Jul 20262911 PMAQI
23rd Jul 20262512 AMAQI
23rd Jul 2026251 AMAQI
23rd Jul 2026272 AMAQI
23rd Jul 2026213 AMAQI
23rd Jul 2026234 AMAQI

27°C24/30°C

23rd Jul 2026215 AMAQI
23rd Jul 2026176 AMAQI
23rd Jul 2026277 AMAQI
23rd Jul 2026258 AMAQI
23rd Jul 2026299 AMAQI
23rd Jul 20262510 AMAQI
23rd Jul 20262711 AMAQI
23rd Jul 20263612 PMAQI
23rd Jul 2026521 PMAQI
23rd Jul 2026512 PMAQI
23rd Jul 2026523 PMAQI
23rd Jul 2026524 PMAQI
23rd Jul 2026465 PMAQI
23rd Jul 2026406 PMAQI
23rd Jul 2026387 PMAQI
23rd Jul 2026408 PMAQI
23rd Jul 2026299 PMAQI
23rd Jul 20262910 PMAQI
23rd Jul 20262511 PMAQI
24th Jul 20263612 AMAQI
24th Jul 2026361 AMAQI
24th Jul 2026312 AMAQI
24th Jul 2026213 AMAQI
24th Jul 2026294 AMAQI

27°C24/31°C

24th Jul 2026255 AMAQI
24th Jul 2026296 AMAQI
24th Jul 2026337 AMAQI
24th Jul 2026278 AMAQI
24th Jul 2026409 AMAQI
24th Jul 20264010 AMAQI
24th Jul 20263111 AMAQI
24th Jul 20263612 PMAQI
24th Jul 2026361 PMAQI
24th Jul 2026402 PMAQI
24th Jul 2026403 PMAQI
24th Jul 2026384 PMAQI
24th Jul 2026405 PMAQI
24th Jul 2026386 PMAQI
24th Jul 2026427 PMAQI
24th Jul 2026408 PMAQI
24th Jul 2026389 PMAQI
24th Jul 20263810 PMAQI
24th Jul 20263611 PMAQI
25th Jul 20263812 AMAQI
25th Jul 2026331 AMAQI
25th Jul 2026362 AMAQI
25th Jul 2026363 AMAQI
25th Jul 2026344 AMAQI

27°C23/32°C

25th Jul 2026365 AMAQI
25th Jul 2026346 AMAQI
25th Jul 2026337 AMAQI
25th Jul 2026318 AMAQI
25th Jul 2026299 AMAQI
25th Jul 20263110 AMAQI
25th Jul 20263311 AMAQI
25th Jul 20263312 PMAQI
25th Jul 2026311 PMAQI
25th Jul 2026312 PMAQI
25th Jul 2026313 PMAQI
25th Jul 2026314 PMAQI
25th Jul 2026295 PMAQI
25th Jul 2026276 PMAQI
25th Jul 2026257 PMAQI
25th Jul 2026258 PMAQI
25th Jul 2026259 PMAQI
25th Jul 20262510 PMAQI
25th Jul 20262511 PMAQI
26th Jul 20262112 AMAQI
26th Jul 2026211 AMAQI
26th Jul 2026212 AMAQI
26th Jul 2026213 AMAQI
26th Jul 2026214 AMAQI

27°C24/32°C

26th Jul 2026235 AMAQI
26th Jul 2026256 AMAQI
26th Jul 2026257 AMAQI
26th Jul 2026258 AMAQI
26th Jul 2026219 AMAQI
26th Jul 20262110 AMAQI
26th Jul 20262511 AMAQI
26th Jul 20262112 PMAQI
26th Jul 2026211 PMAQI
26th Jul 2026232 PMAQI
26th Jul 2026213 PMAQI
26th Jul 2026234 PMAQI
26th Jul 2026255 PMAQI
26th Jul 2026276 PMAQI
26th Jul 2026297 PMAQI
26th Jul 2026298 PMAQI
26th Jul 2026259 PMAQI
26th Jul 20262710 PMAQI
26th Jul 20262711 PMAQI
27th Jul 20262912 AMAQI
27th Jul 2026271 AMAQI
27th Jul 2026292 AMAQI
27th Jul 2026293 AMAQI
27th Jul 2026314 AMAQI

28°C24/32°C

27th Jul 2026315 AMAQI
27th Jul 2026316 AMAQI
27th Jul 2026297 AMAQI
27th Jul 2026338 AMAQI
27th Jul 2026339 AMAQI
27th Jul 20263310 AMAQI
27th Jul 20264011 AMAQI
27th Jul 20264412 PMAQI
27th Jul 2026441 PMAQI
27th Jul 2026502 PMAQI
27th Jul 2026443 PMAQI
27th Jul 2026464 PMAQI
27th Jul 2026485 PMAQI
27th Jul 2026446 PMAQI
27th Jul 2026447 PMAQI
27th Jul 2026408 PMAQI
27th Jul 2026409 PMAQI
27th Jul 20263810 PMAQI
27th Jul 20263311 PMAQI
28th Jul 20263112 AMAQI
28th Jul 2026291 AMAQI
28th Jul 2026292 AMAQI
28th Jul 2026293 AMAQI
28th Jul 2026274 AMAQI

28°C25/31°C

28th Jul 2026275 AMAQI
28th Jul 2026256 AMAQI
28th Jul 2026257 AMAQI
28th Jul 2026258 AMAQI
28th Jul 2026259 AMAQI
28th Jul 20262510 AMAQI
28th Jul 20262511 AMAQI
28th Jul 20262112 PMAQI
28th Jul 2026231 PMAQI
28th Jul 2026232 PMAQI
28th Jul 2026213 PMAQI
28th Jul 2026254 PMAQI
28th Jul 2026255 PMAQI
28th Jul 2026256 PMAQI
28th Jul 2026257 PMAQI
28th Jul 2026258 PMAQI
28th Jul 2026259 PMAQI
28th Jul 20262910 PMAQI
28th Jul 20262911 PMAQI
29th Jul 20262512 AMAQI
29th Jul 2026251 AMAQI
29th Jul 2026292 AMAQI
29th Jul 2026253 AMAQI
29th Jul 2026294 AMAQI

28°C25/33°C

29th Jul 2026255 AMAQI
29th Jul 2026256 AMAQI
29th Jul 2026257 AMAQI
29th Jul 2026258 AMAQI
29th Jul 2026259 AMAQI
29th Jul 20262910 AMAQI
29th Jul 20262111 AMAQI
29th Jul 20262112 PMAQI
29th Jul 2026211 PMAQI
29th Jul 2026212 PMAQI
29th Jul 2026233 PMAQI
29th Jul 2026254 PMAQI
29th Jul 2026255 PMAQI
29th Jul 2026256 PMAQI
29th Jul 2026257 PMAQI
29th Jul 2026258 PMAQI
29th Jul 2026239 PMAQI
29th Jul 20262110 PMAQI
29th Jul 20262111 PMAQI
30th Jul 20262112 AMAQI
30th Jul 2026211 AMAQI
30th Jul 2026232 AMAQI
30th Jul 2026213 AMAQI
30th Jul 2026234 AMAQI

27°C25/29°C

30th Jul 2026215 AMAQI
30th Jul 2026216 AMAQI
30th Jul 2026217 AMAQI
30th Jul 2026218 AMAQI
30th Jul 2026219 AMAQI
30th Jul 20262310 AMAQI
30th Jul 20262111 AMAQI
30th Jul 20262312 PMAQI
30th Jul 2026251 PMAQI
30th Jul 2026232 PMAQI
30th Jul 2026253 PMAQI
30th Jul 2026254 PMAQI
30th Jul 2026235 PMAQI
30th Jul 2026216 PMAQI
30th Jul 2026217 PMAQI
30th Jul 2026238 PMAQI
30th Jul 2026259 PMAQI
30th Jul 20262310 PMAQI
30th Jul 20262311 PMAQI
31st Jul 20262312 AMAQI
31st Jul 2026231 AMAQI
31st Jul 2026252 AMAQI
31st Jul 2026253 AMAQI
31st Jul 2026254 AMAQI

28°C24/32°C

31st Jul 2026275 AMAQI
31st Jul 2026256 AMAQI
31st Jul 2026257 AMAQI
31st Jul 2026238 AMAQI
31st Jul 2026259 AMAQI
31st Jul 20262710 AMAQI
31st Jul 20262911 AMAQI
31st Jul 20262912 PMAQI
31st Jul 2026271 PMAQI
31st Jul 2026272 PMAQI
31st Jul 2026253 PMAQI
31st Jul 2026254 PMAQI
31st Jul 2026275 PMAQI
31st Jul 2026296 PMAQI
31st Jul 2026297 PMAQI
31st Jul 2026278 PMAQI
31st Jul 2026319 PMAQI
31st Jul 20262710 PMAQI
31st Jul 20262911 PMAQI
1st Aug 20262912 AMAQI
1st Aug 2026291 AMAQI
1st Aug 2026292 AMAQI
1st Aug 2026273 AMAQI
1st Aug 2026294 AMAQI

27°C24/33°C

1st Aug 2026275 AMAQI
5 AM
1st Aug 2026296 AMAQI
1st Aug 2026297 AMAQI
1st Aug 2026278 AMAQI
1st Aug 2026279 AMAQI
1st Aug 20262710 AMAQI
1st Aug 20263111 AMAQI
1st Aug 20262912 PMAQI
12 PM
1st Aug 2026361 PMAQI
1st Aug 2026402 PMAQI
1st Aug 2026383 PMAQI
1st Aug 2026364 PMAQI
1st Aug 2026365 PMAQI
1st Aug 2026366 PMAQI
1st Aug 2026337 PMAQI
7 PM
1st Aug 2026368 PMAQI
1st Aug 2026389 PMAQI
1st Aug 20263810 PMAQI
1st Aug 20263811 PMAQI
12 AM
4 AM

28°C24/33°C

Day time
Avg. Highest Time
4 PM - 7 PM

36AQI

4 hours / Day
120 hours / Month
Avg. Lowest Time
12 PM

31AQI

1 hours / Day
30 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 12 PM to 12 PM (Avg. 31).
Night time
Avg. Highest Time
8 PM - 11 PM

35AQI

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

31AQI

2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 8 PM to 11 PM (Avg. 35), while the lowest AQI was between 3 AM to 4 AM (Avg. 31).

2026 Days Vs Air Quality

Hofu, Yamaguchi, Japan

2026

84%

179

16%

34

Total number of days with different AQI categories in last 213 days in 2026 (152 days remaining)

Good
179 Days
Moderate
34 Days
Poor
0 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 84%

Health Risk Level:

Low

In 2026, 84% of 213 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

Hofu, 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
25AQI (US)
2nd January 2026
22AQI (US)
3rd January 2026
22AQI (US)
4th January 2026
32AQI (US)
5th January 2026
42AQI (US)
6th January 2026
25AQI (US)
7th January 2026
33AQI (US)
8th January 2026
27AQI (US)
9th January 2026
21AQI (US)
10th January 2026
34AQI (US)
11th January 2026
26AQI (US)
12th January 2026
25AQI (US)
13th January 2026
36AQI (US)
14th January 2026
24AQI (US)
15th January 2026
36AQI (US)
16th January 2026
62AQI (US)
17th January 2026
61AQI (US)
18th January 2026
64AQI (US)
19th January 2026
68AQI (US)
20th January 2026
29AQI (US)
21st January 2026
12AQI (US)
22nd January 2026
23AQI (US)
23rd January 2026
35AQI (US)
24th January 2026
49AQI (US)
25th January 2026
15AQI (US)
26th January 2026
14AQI (US)
27th January 2026
39AQI (US)
28th January 2026
29AQI (US)
29th January 2026
37AQI (US)
30th January 2026
15AQI (US)
31st January 2026
19AQI (US)
1st February 2026
48AQI (US)
2nd February 2026
40AQI (US)
3rd February 2026
28AQI (US)
4th February 2026
34AQI (US)
5th February 2026
42AQI (US)
6th February 2026
46AQI (US)
7th February 2026
23AQI (US)
8th February 2026
19AQI (US)
9th February 2026
35AQI (US)
10th February 2026
41AQI (US)
11th February 2026
44AQI (US)
12th February 2026
42AQI (US)
13th February 2026
59AQI (US)
14th February 2026
59AQI (US)
15th February 2026
48AQI (US)
16th February 2026
56AQI (US)
17th February 2026
22AQI (US)
18th February 2026
30AQI (US)
19th February 2026
54AQI (US)
20th February 2026
55AQI (US)
21st February 2026
66AQI (US)
22nd February 2026
37AQI (US)
23rd February 2026
30AQI (US)
24th February 2026
18AQI (US)
25th February 2026
11AQI (US)
26th February 2026
11AQI (US)
27th February 2026
48AQI (US)
28th February 2026
35AQI (US)
1st March 2026
34AQI (US)
2nd March 2026
37AQI (US)
3rd March 2026
9AQI (US)
4th March 2026
37AQI (US)
5th March 2026
48AQI (US)
6th March 2026
49AQI (US)
7th March 2026
47AQI (US)
8th March 2026
40AQI (US)
9th March 2026
35AQI (US)
10th March 2026
57AQI (US)
11th March 2026
52AQI (US)
12th March 2026
58AQI (US)
13th March 2026
36AQI (US)
14th March 2026
42AQI (US)
15th March 2026
58AQI (US)
16th March 2026
49AQI (US)
17th March 2026
42AQI (US)
18th March 2026
48AQI (US)
19th March 2026
48AQI (US)
20th March 2026
38AQI (US)
21st March 2026
34AQI (US)
22nd March 2026
42AQI (US)
23rd March 2026
40AQI (US)
24th March 2026
45AQI (US)
25th March 2026
59AQI (US)
26th March 2026
39AQI (US)
27th March 2026
52AQI (US)
28th March 2026
70AQI (US)
29th March 2026
70AQI (US)
30th March 2026
45AQI (US)
31st March 2026
12AQI (US)
1st April 2026
15AQI (US)
2nd April 2026
53AQI (US)
3rd April 2026
52AQI (US)
4th April 2026
41AQI (US)
5th April 2026
40AQI (US)
6th April 2026
34AQI (US)
7th April 2026
26AQI (US)
8th April 2026
27AQI (US)
9th April 2026
30AQI (US)
10th April 2026
44AQI (US)
11th April 2026
35AQI (US)
12th April 2026
42AQI (US)
13th April 2026
42AQI (US)
14th April 2026
32AQI (US)
15th April 2026
35AQI (US)
16th April 2026
35AQI (US)
17th April 2026
35AQI (US)
18th April 2026
27AQI (US)
19th April 2026
30AQI (US)
20th April 2026
34AQI (US)
21st April 2026
39AQI (US)
22nd April 2026
42AQI (US)
23rd April 2026
14AQI (US)
24th April 2026
26AQI (US)
25th April 2026
34AQI (US)
26th April 2026
27AQI (US)
27th April 2026
38AQI (US)
28th April 2026
50AQI (US)
29th April 2026
40AQI (US)
30th April 2026
31AQI (US)
1st May 2026
48AQI (US)
2nd May 2026
50AQI (US)
3rd May 2026
39AQI (US)
4th May 2026
29AQI (US)
5th May 2026
30AQI (US)
6th May 2026
26AQI (US)
7th May 2026
29AQI (US)
8th May 2026
25AQI (US)
9th May 2026
26AQI (US)
10th May 2026
27AQI (US)
11th May 2026
28AQI (US)
12th May 2026
25AQI (US)
13th May 2026
36AQI (US)
14th May 2026
30AQI (US)
15th May 2026
33AQI (US)
16th May 2026
77AQI (US)
17th May 2026
63AQI (US)
18th May 2026
53AQI (US)
19th May 2026
47AQI (US)
20th May 2026
61AQI (US)
21st May 2026
65AQI (US)
22nd May 2026
67AQI (US)
23rd May 2026
61AQI (US)
24th May 2026
64AQI (US)
25th May 2026
54AQI (US)
26th May 2026
40AQI (US)
27th May 2026
23AQI (US)
28th May 2026
25AQI (US)
29th May 2026
24AQI (US)
30th May 2026
23AQI (US)
31st May 2026
27AQI (US)
1st June 2026
27AQI (US)
2nd June 2026
24AQI (US)
3rd June 2026
25AQI (US)
4th June 2026
25AQI (US)
5th June 2026
22AQI (US)
6th June 2026
24AQI (US)
7th June 2026
21AQI (US)
8th June 2026
21AQI (US)
9th June 2026
23AQI (US)
10th June 2026
22AQI (US)
11th June 2026
25AQI (US)
12th June 2026
25AQI (US)
13th June 2026
26AQI (US)
14th June 2026
23AQI (US)
15th June 2026
24AQI (US)
16th June 2026
25AQI (US)
17th June 2026
23AQI (US)
18th June 2026
26AQI (US)
19th June 2026
29AQI (US)
20th June 2026
33AQI (US)
21st June 2026
20AQI (US)
22nd June 2026
15AQI (US)
23rd June 2026
21AQI (US)
24th June 2026
20AQI (US)
25th June 2026
25AQI (US)
26th June 2026
28AQI (US)
27th June 2026
26AQI (US)
28th June 2026
27AQI (US)
29th June 2026
25AQI (US)
30th June 2026
43AQI (US)
1st July 2026
34AQI (US)
2nd July 2026
17AQI (US)
3rd July 2026
24AQI (US)
4th July 2026
24AQI (US)
5th July 2026
22AQI (US)
6th July 2026
21AQI (US)
7th July 2026
25AQI (US)
8th July 2026
24AQI (US)
9th July 2026
23AQI (US)
10th July 2026
25AQI (US)
11th July 2026
25AQI (US)
12th July 2026
27AQI (US)
13th July 2026
38AQI (US)
14th July 2026
31AQI (US)
15th July 2026
25AQI (US)
16th July 2026
27AQI (US)
17th July 2026
36AQI (US)
18th July 2026
61AQI (US)
19th July 2026
64AQI (US)
20th July 2026
61AQI (US)
21st July 2026
69AQI (US)
22nd July 2026
57AQI (US)
23rd July 2026
33AQI (US)
24th July 2026
35AQI (US)
25th July 2026
31AQI (US)
26th July 2026
24AQI (US)
27th July 2026
37AQI (US)
28th July 2026
26AQI (US)
29th July 2026
24AQI (US)
30th July 2026
22AQI (US)
31st July 2026
26AQI (US)
1st August 2026
32AQI (US)
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

32AQI (US)

39AQI (US)

44AQI (US)

35AQI (US)

40AQI (US)

25AQI (US)

33AQI (US)

32AQI (US)

No. of days

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

202635AQI (US)

27
4
22
6
23
8
28
2
22
9
30
26
5
1
179
34

Highest AQI (US) recorded in

March

44AQI (US)

Lowest AQI (US) recorded in

June

25AQI (US)

202545AQI (US)

28
3
26
2
17
14
19
11
23
8
19
11
16
15
29
2
30
19
12
11
19
22
9
259
106

Highest AQI (US) recorded in

November

51AQI (US)

Lowest AQI (US) recorded in

September

30AQI (US)

202438AQI (US)

31
11
2
3
2
3
2
12
3
30
31
26
5
19
10
27
4
23
7
31
247
35

Highest AQI (US) recorded in

March

50AQI (US)

Lowest AQI (US) recorded in

July

30AQI (US)

202339AQI (US)

25
4
1
28
23
8
15
15
23
8
26
4
28
3
31
27
3
29
2
27
2
28
3
310
52
1

Highest AQI (US) recorded in

April

51AQI (US)

Lowest AQI (US) recorded in

August

29AQI (US)

202246AQI (US)

18
11
18
3
19
12
13
16
8
23
17
13
12
9
1
22
6
23
8
22
8
30
1
203
110

Highest AQI (US) recorded in

May

57AQI (US)

Lowest AQI (US) recorded in

August

33AQI (US)

202147AQI (US)

31
21
7
23
6
18
3
15
16
5
25
8
23
23
8
15
15
16
15
17
13
18
13
210
144

Highest AQI (US) recorded in

June

62AQI (US)

Lowest AQI (US) recorded in

January

30AQI (US)

202041AQI (US)

10
3
15
6
8
10
17
13
28
3
12
4
3
18
1
27
4
28
2
29
2
192
48
3

Highest AQI (US) recorded in

August

56AQI (US)

Lowest AQI (US) recorded in

December

30AQI (US)

Most & Least Polluted Years Over the Last 7 Years

Most Polluted Year Recorded
2021(Avg.)
47AQI (US)
Least Polluted Year Recorded
2026(Avg.)
35AQI (US)

Hofu's annual 2026 AQI (US) (35) shows an average percentage change of -17.4% (improved AQI (US)) compared to previous years: 2020 (41), 2021 (47), 2022 (46), 2023 (39), 2024 (38), 2025 (45).