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HistoryAQIPM₂.₅PM₁₀COSO₂NO₂O₃

Ube, 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+

October Air Quality Analysis

Ube, Yamaguchi, Japan

2022
2023
2024
2025
2026
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
7th Oct 2025
65AQI
Lowest AQI recorded on
3rd Oct 2024
18AQI

Same Day Analysis (2nd October):
On this day, AQI across the 5 years varied significantly: 2026 ranks the most lowest AQI at 26 of Good air quality, showing improvement over 2025, 2024, 2023 and 2022 on the same day.

Day & Night AQI Trend: 1st Oct - 2nd Oct 2026

Ube, Yamaguchi, Japan

AQI
Day
Night
.

6 AM1st Oct 2026

6 PM

5 AM2nd Oct 2026

Day time
Avg. Highest Time
5PM1st Oct

42AQI

Avg. Lowest Time
11AM1st Oct

24AQI

Night time
Avg. Highest Time
7PM1st Oct

41AQI

Avg. Lowest Time
5AM2nd Oct

27AQI

In the last 24 hours,

Ube's AQI reached its highest point of 42 at 5 PM during the Day, while the lowest point, 24, was recorded at 11 AM during the Day between 1st Oct and 2nd Oct 2026.

Day & Night AQI Trend : Sep - Oct 2026

Ube, Yamaguchi, Japan

SepOct
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 - 01st01st - 02nd02nd
Day
Night
3rd Sep 2026216 AMAQI
3rd Sep 2026217 AMAQI
3rd Sep 2026258 AMAQI
3rd Sep 2026259 AMAQI
3rd Sep 20262910 AMAQI
3rd Sep 20262511 AMAQI
3rd Sep 20262512 PMAQI
3rd Sep 2026251 PMAQI
3rd Sep 2026252 PMAQI
3rd Sep 2026253 PMAQI
3rd Sep 2026264 PMAQI
3rd Sep 2026295 PMAQI
3rd Sep 2026256 PMAQI
3rd Sep 2026257 PMAQI
3rd Sep 2026258 PMAQI
3rd Sep 2026339 PMAQI
3rd Sep 20262510 PMAQI
3rd Sep 20262511 PMAQI
4th Sep 20262512 AMAQI
4th Sep 2026271 AMAQI
4th Sep 2026232 AMAQI
4th Sep 2026273 AMAQI
4th Sep 2026214 AMAQI
4th Sep 2026255 AMAQI

25°C22/28°C

4th Sep 2026236 AMAQI
4th Sep 2026257 AMAQI
4th Sep 2026268 AMAQI
4th Sep 2026259 AMAQI
4th Sep 20262810 AMAQI
4th Sep 20262611 AMAQI
4th Sep 20262412 PMAQI
4th Sep 2026211 PMAQI
4th Sep 2026242 PMAQI
4th Sep 2026213 PMAQI
4th Sep 2026214 PMAQI
4th Sep 2026215 PMAQI
4th Sep 2026216 PMAQI
4th Sep 2026217 PMAQI
4th Sep 2026238 PMAQI
4th Sep 2026249 PMAQI
4th Sep 20262110 PMAQI
4th Sep 20262511 PMAQI
5th Sep 20262312 AMAQI
5th Sep 2026201 AMAQI
5th Sep 2026252 AMAQI
5th Sep 2026243 AMAQI
5th Sep 2026214 AMAQI
5th Sep 2026225 AMAQI

23°C22/23°C

5th Sep 2026216 AMAQI
5th Sep 2026207 AMAQI
5th Sep 2026228 AMAQI
5th Sep 2026219 AMAQI
5th Sep 20262110 AMAQI
5th Sep 20262211 AMAQI
5th Sep 20261812 PMAQI
5th Sep 2026211 PMAQI
5th Sep 2026212 PMAQI
5th Sep 2026243 PMAQI
5th Sep 2026234 PMAQI
5th Sep 2026225 PMAQI
5th Sep 2026266 PMAQI
5th Sep 2026217 PMAQI
5th Sep 2026248 PMAQI
5th Sep 2026269 PMAQI
5th Sep 20262410 PMAQI
5th Sep 20262411 PMAQI
6th Sep 20262412 AMAQI
6th Sep 2026261 AMAQI
6th Sep 2026222 AMAQI
6th Sep 2026213 AMAQI
6th Sep 2026214 AMAQI
6th Sep 2026215 AMAQI

24°C20/28°C

6th Sep 2026226 AMAQI
6th Sep 2026217 AMAQI
6th Sep 2026228 AMAQI
6th Sep 2026229 AMAQI
6th Sep 20262210 AMAQI
6th Sep 20262211 AMAQI
6th Sep 20262312 PMAQI
6th Sep 2026221 PMAQI
6th Sep 2026222 PMAQI
6th Sep 2026213 PMAQI
6th Sep 2026254 PMAQI
6th Sep 2026255 PMAQI
6th Sep 2026266 PMAQI
6th Sep 2026277 PMAQI
6th Sep 2026278 PMAQI
6th Sep 2026299 PMAQI
6th Sep 20262810 PMAQI
6th Sep 20262711 PMAQI
7th Sep 20262812 AMAQI
7th Sep 2026261 AMAQI
7th Sep 2026242 AMAQI
7th Sep 2026243 AMAQI
7th Sep 2026214 AMAQI
7th Sep 2026215 AMAQI

24°C22/27°C

7th Sep 2026226 AMAQI
7th Sep 2026227 AMAQI
7th Sep 2026228 AMAQI
7th Sep 2026229 AMAQI
7th Sep 20262210 AMAQI
7th Sep 20262311 AMAQI
7th Sep 20262412 PMAQI
7th Sep 2026251 PMAQI
7th Sep 2026252 PMAQI
7th Sep 2026213 PMAQI
7th Sep 2026214 PMAQI
7th Sep 2026255 PMAQI
7th Sep 2026296 PMAQI
7th Sep 2026247 PMAQI
7th Sep 2026248 PMAQI
7th Sep 2026259 PMAQI
7th Sep 20262110 PMAQI
7th Sep 20262511 PMAQI
8th Sep 20262112 AMAQI
8th Sep 2026281 AMAQI
8th Sep 2026242 AMAQI
8th Sep 2026233 AMAQI
8th Sep 2026224 AMAQI
8th Sep 2026225 AMAQI

25°C23/30°C

8th Sep 2026226 AMAQI
8th Sep 2026227 AMAQI
8th Sep 2026218 AMAQI
8th Sep 2026219 AMAQI
8th Sep 20262210 AMAQI
8th Sep 20262211 AMAQI
8th Sep 20262212 PMAQI
8th Sep 2026211 PMAQI
8th Sep 2026212 PMAQI
8th Sep 2026223 PMAQI
8th Sep 2026224 PMAQI
8th Sep 2026225 PMAQI
8th Sep 2026226 PMAQI
8th Sep 2026237 PMAQI
8th Sep 2026228 PMAQI
8th Sep 2026219 PMAQI
8th Sep 20262310 PMAQI
8th Sep 20262111 PMAQI
9th Sep 20262512 AMAQI
9th Sep 2026251 AMAQI
9th Sep 2026232 AMAQI
9th Sep 2026273 AMAQI
9th Sep 2026294 AMAQI
9th Sep 2026255 AMAQI

26°C23/30°C

9th Sep 2026256 AMAQI
9th Sep 2026257 AMAQI
9th Sep 2026248 AMAQI
9th Sep 2026229 AMAQI
9th Sep 20262510 AMAQI
9th Sep 20262511 AMAQI
9th Sep 20262512 PMAQI
9th Sep 2026281 PMAQI
9th Sep 2026242 PMAQI
9th Sep 2026253 PMAQI
9th Sep 2026284 PMAQI
9th Sep 2026255 PMAQI
9th Sep 2026216 PMAQI
9th Sep 2026217 PMAQI
9th Sep 2026248 PMAQI
9th Sep 2026259 PMAQI
9th Sep 20262410 PMAQI
9th Sep 20262211 PMAQI
10th Sep 20262412 AMAQI
10th Sep 2026221 AMAQI
10th Sep 2026222 AMAQI
10th Sep 2026223 AMAQI
10th Sep 2026214 AMAQI
10th Sep 2026225 AMAQI

24°C21/26°C

10th Sep 2026226 AMAQI
10th Sep 2026227 AMAQI
10th Sep 2026218 AMAQI
10th Sep 2026219 AMAQI
10th Sep 20262210 AMAQI
10th Sep 20262111 AMAQI
10th Sep 20262212 PMAQI
10th Sep 2026211 PMAQI
10th Sep 2026222 PMAQI
10th Sep 2026233 PMAQI
10th Sep 2026244 PMAQI
10th Sep 2026235 PMAQI
10th Sep 2026226 PMAQI
10th Sep 2026227 PMAQI
10th Sep 2026228 PMAQI
10th Sep 2026229 PMAQI
10th Sep 20262110 PMAQI
10th Sep 20262111 PMAQI
11th Sep 20262112 AMAQI
11th Sep 2026221 AMAQI
11th Sep 2026212 AMAQI
11th Sep 2026243 AMAQI
11th Sep 2026214 AMAQI
11th Sep 2026225 AMAQI

22°C20/23°C

11th Sep 2026236 AMAQI
11th Sep 2026247 AMAQI
11th Sep 2026218 AMAQI
11th Sep 2026249 AMAQI
11th Sep 20262210 AMAQI
11th Sep 20262911 AMAQI
11th Sep 20262212 PMAQI
11th Sep 2026221 PMAQI
11th Sep 2026222 PMAQI
11th Sep 2026213 PMAQI
11th Sep 2026244 PMAQI
11th Sep 2026225 PMAQI
11th Sep 2026226 PMAQI
11th Sep 2026227 PMAQI
11th Sep 2026228 PMAQI
11th Sep 2026229 PMAQI
11th Sep 20262110 PMAQI
11th Sep 20262111 PMAQI
12th Sep 20262212 AMAQI
12th Sep 2026211 AMAQI
12th Sep 2026222 AMAQI
12th Sep 2026223 AMAQI
12th Sep 2026214 AMAQI
12th Sep 2026225 AMAQI

23°C21/27°C

12th Sep 2026226 AMAQI
12th Sep 2026227 AMAQI
12th Sep 2026228 AMAQI
12th Sep 2026229 AMAQI
12th Sep 20262210 AMAQI
12th Sep 20262211 AMAQI
12th Sep 20262512 PMAQI
12th Sep 2026231 PMAQI
12th Sep 2026262 PMAQI
12th Sep 2026273 PMAQI
12th Sep 2026284 PMAQI
12th Sep 2026275 PMAQI
12th Sep 2026306 PMAQI
12th Sep 2026317 PMAQI
12th Sep 2026308 PMAQI
12th Sep 2026329 PMAQI
12th Sep 20263010 PMAQI
12th Sep 20265211 PMAQI
13th Sep 20264912 AMAQI
13th Sep 2026501 AMAQI
13th Sep 2026502 AMAQI
13th Sep 2026503 AMAQI
13th Sep 2026484 AMAQI

25°C22/28°C

13th Sep 2026496 AMAQI
13th Sep 2026507 AMAQI
13th Sep 2026528 AMAQI
13th Sep 2026489 AMAQI
13th Sep 20265210 AMAQI
13th Sep 20264911 AMAQI
13th Sep 20264612 PMAQI
13th Sep 2026461 PMAQI
13th Sep 2026442 PMAQI
13th Sep 2026443 PMAQI
13th Sep 2026314 PMAQI
13th Sep 2026285 PMAQI
13th Sep 2026306 PMAQI
13th Sep 2026267 PMAQI
13th Sep 2026248 PMAQI
13th Sep 2026239 PMAQI
13th Sep 20262210 PMAQI
13th Sep 20262511 PMAQI
14th Sep 20262512 AMAQI
14th Sep 2026291 AMAQI
14th Sep 2026352 AMAQI
14th Sep 2026283 AMAQI
14th Sep 2026284 AMAQI
14th Sep 2026295 AMAQI

25°C24/28°C

14th Sep 2026256 AMAQI
14th Sep 2026247 AMAQI
14th Sep 2026218 AMAQI
14th Sep 2026269 AMAQI
14th Sep 20262910 AMAQI
14th Sep 20262511 AMAQI
14th Sep 20262912 PMAQI
14th Sep 2026281 PMAQI
14th Sep 2026252 PMAQI
14th Sep 2026263 PMAQI
14th Sep 2026244 PMAQI
14th Sep 2026225 PMAQI
14th Sep 2026246 PMAQI
14th Sep 2026217 PMAQI
14th Sep 2026258 PMAQI
14th Sep 2026299 PMAQI
14th Sep 20262610 PMAQI
14th Sep 20262111 PMAQI
15th Sep 20262412 AMAQI
15th Sep 2026301 AMAQI
15th Sep 2026262 AMAQI
15th Sep 2026233 AMAQI
15th Sep 2026224 AMAQI
15th Sep 2026215 AMAQI

24°C21/27°C

15th Sep 2026246 AMAQI
15th Sep 2026217 AMAQI
15th Sep 2026248 AMAQI
15th Sep 2026229 AMAQI
15th Sep 20263210 AMAQI
15th Sep 20263411 AMAQI
15th Sep 20262212 PMAQI
15th Sep 2026251 PMAQI
15th Sep 2026222 PMAQI
15th Sep 2026253 PMAQI
15th Sep 2026244 PMAQI
15th Sep 2026245 PMAQI
15th Sep 2026246 PMAQI
15th Sep 2026227 PMAQI
15th Sep 2026218 PMAQI
15th Sep 2026219 PMAQI
15th Sep 20262210 PMAQI
15th Sep 20262111 PMAQI
16th Sep 20262312 AMAQI
16th Sep 2026211 AMAQI
16th Sep 2026232 AMAQI
16th Sep 2026223 AMAQI
16th Sep 2026214 AMAQI
16th Sep 2026235 AMAQI

24°C21/29°C

16th Sep 2026266 AMAQI
16th Sep 2026217 AMAQI
16th Sep 2026258 AMAQI
16th Sep 2026259 AMAQI
16th Sep 20262410 AMAQI
16th Sep 20262111 AMAQI
16th Sep 20262912 PMAQI
16th Sep 2026261 PMAQI
16th Sep 2026282 PMAQI
16th Sep 2026263 PMAQI
16th Sep 2026254 PMAQI
16th Sep 2026225 PMAQI
16th Sep 2026246 PMAQI
16th Sep 2026237 PMAQI
16th Sep 2026248 PMAQI
16th Sep 2026249 PMAQI
16th Sep 20262510 PMAQI
16th Sep 20262211 PMAQI
17th Sep 20262512 AMAQI
17th Sep 2026231 AMAQI
17th Sep 2026242 AMAQI
17th Sep 2026253 AMAQI
17th Sep 2026264 AMAQI
17th Sep 2026245 AMAQI

22°C21/25°C

17th Sep 2026246 AMAQI
17th Sep 2026267 AMAQI
17th Sep 2026248 AMAQI
17th Sep 2026249 AMAQI
17th Sep 20262410 AMAQI
17th Sep 20262411 AMAQI
17th Sep 20262412 PMAQI
17th Sep 2026261 PMAQI
17th Sep 2026262 PMAQI
17th Sep 2026263 PMAQI
17th Sep 2026224 PMAQI
17th Sep 2026245 PMAQI
17th Sep 2026256 PMAQI
17th Sep 2026237 PMAQI
17th Sep 2026258 PMAQI
17th Sep 2026259 PMAQI
17th Sep 20262610 PMAQI
17th Sep 20262511 PMAQI
18th Sep 20262612 AMAQI
18th Sep 2026251 AMAQI
18th Sep 2026252 AMAQI
18th Sep 2026243 AMAQI
18th Sep 2026244 AMAQI
18th Sep 2026265 AMAQI

23°C21/26°C

18th Sep 2026246 AMAQI
18th Sep 2026257 AMAQI
18th Sep 2026238 AMAQI
18th Sep 2026259 AMAQI
18th Sep 20262410 AMAQI
18th Sep 20262511 AMAQI
18th Sep 20262412 PMAQI
18th Sep 2026231 PMAQI
18th Sep 2026242 PMAQI
18th Sep 2026253 PMAQI
18th Sep 2026264 PMAQI
18th Sep 2026275 PMAQI
18th Sep 2026266 PMAQI
18th Sep 2026257 PMAQI
18th Sep 2026258 PMAQI
18th Sep 2026259 PMAQI
18th Sep 20262410 PMAQI
18th Sep 20262411 PMAQI
19th Sep 20262412 AMAQI
19th Sep 2026231 AMAQI
19th Sep 2026232 AMAQI
19th Sep 2026223 AMAQI
19th Sep 2026224 AMAQI
19th Sep 2026245 AMAQI

22°C21/24°C

19th Sep 2026216 AMAQI
19th Sep 2026227 AMAQI
19th Sep 2026228 AMAQI
19th Sep 2026259 AMAQI
19th Sep 20263110 AMAQI
19th Sep 20262811 AMAQI
19th Sep 20263212 PMAQI
19th Sep 2026221 PMAQI
19th Sep 2026252 PMAQI
19th Sep 2026293 PMAQI
19th Sep 2026254 PMAQI
19th Sep 2026275 PMAQI
19th Sep 2026246 PMAQI
19th Sep 2026217 PMAQI
19th Sep 2026218 PMAQI
19th Sep 2026259 PMAQI
19th Sep 20262210 PMAQI
19th Sep 20262811 PMAQI
20th Sep 20262212 AMAQI
20th Sep 2026261 AMAQI
20th Sep 2026282 AMAQI
20th Sep 2026293 AMAQI
20th Sep 2026294 AMAQI
20th Sep 2026295 AMAQI

22°C21/24°C

20th Sep 2026326 AMAQI
20th Sep 2026297 AMAQI
20th Sep 2026258 AMAQI
20th Sep 2026299 AMAQI
20th Sep 20262910 AMAQI
20th Sep 20262111 AMAQI
20th Sep 20262912 PMAQI
20th Sep 2026251 PMAQI
20th Sep 2026252 PMAQI
20th Sep 2026223 PMAQI
20th Sep 2026214 PMAQI
20th Sep 2026255 PMAQI
20th Sep 2026226 PMAQI
20th Sep 2026247 PMAQI
20th Sep 2026248 PMAQI
20th Sep 2026219 PMAQI
20th Sep 20262610 PMAQI
20th Sep 20262911 PMAQI
21st Sep 20262312 AMAQI
21st Sep 2026211 AMAQI
21st Sep 2026252 AMAQI
21st Sep 2026253 AMAQI
21st Sep 2026224 AMAQI
21st Sep 2026215 AMAQI

24°C22/28°C

21st Sep 2026246 AMAQI
21st Sep 2026217 AMAQI
21st Sep 2026228 AMAQI
21st Sep 2026249 AMAQI
21st Sep 20262410 AMAQI
21st Sep 20262111 AMAQI
21st Sep 20262212 PMAQI
21st Sep 2026241 PMAQI
21st Sep 2026232 PMAQI
21st Sep 2026223 PMAQI
21st Sep 2026214 PMAQI
21st Sep 2026225 PMAQI
21st Sep 2026236 PMAQI
21st Sep 2026247 PMAQI
21st Sep 2026268 PMAQI
21st Sep 2026269 PMAQI
21st Sep 20262610 PMAQI
21st Sep 20262611 PMAQI
22nd Sep 20262512 AMAQI
22nd Sep 2026261 AMAQI
22nd Sep 2026422 AMAQI
22nd Sep 2026573 AMAQI
22nd Sep 2026544 AMAQI
22nd Sep 2026465 AMAQI

23°C20/26°C

22nd Sep 2026426 AMAQI
22nd Sep 2026267 AMAQI
22nd Sep 2026258 AMAQI
22nd Sep 2026289 AMAQI
22nd Sep 20263010 AMAQI
22nd Sep 20262811 AMAQI
22nd Sep 20262812 PMAQI
22nd Sep 2026281 PMAQI
22nd Sep 2026282 PMAQI
22nd Sep 2026273 PMAQI
22nd Sep 2026274 PMAQI
22nd Sep 2026265 PMAQI
22nd Sep 2026286 PMAQI
22nd Sep 2026267 PMAQI
22nd Sep 2026288 PMAQI
22nd Sep 2026289 PMAQI
22nd Sep 20262610 PMAQI
22nd Sep 20262711 PMAQI
23rd Sep 20263412 AMAQI
23rd Sep 2026331 AMAQI
23rd Sep 2026312 AMAQI
23rd Sep 2026293 AMAQI
23rd Sep 2026294 AMAQI
23rd Sep 2026275 AMAQI

23°C20/28°C

23rd Sep 2026266 AMAQI
23rd Sep 2026247 AMAQI
23rd Sep 2026248 AMAQI
23rd Sep 2026249 AMAQI
23rd Sep 20262410 AMAQI
23rd Sep 20262411 AMAQI
23rd Sep 20262412 PMAQI
23rd Sep 2026251 PMAQI
23rd Sep 2026262 PMAQI
23rd Sep 2026243 PMAQI
23rd Sep 2026254 PMAQI
23rd Sep 2026275 PMAQI
23rd Sep 2026266 PMAQI
23rd Sep 2026287 PMAQI
23rd Sep 2026248 PMAQI
23rd Sep 2026259 PMAQI
23rd Sep 20262510 PMAQI
23rd Sep 20262411 PMAQI
24th Sep 20262412 AMAQI
24th Sep 2026231 AMAQI
24th Sep 2026222 AMAQI
24th Sep 2026233 AMAQI
24th Sep 2026224 AMAQI
24th Sep 2026235 AMAQI

21°C17/25°C

24th Sep 2026216 AMAQI
24th Sep 2026217 AMAQI
24th Sep 2026218 AMAQI
24th Sep 2026229 AMAQI
24th Sep 20262610 AMAQI
24th Sep 20262511 AMAQI
24th Sep 20262512 PMAQI
24th Sep 2026231 PMAQI
24th Sep 2026222 PMAQI
24th Sep 2026213 PMAQI
24th Sep 2026214 PMAQI
24th Sep 2026255 PMAQI
24th Sep 2026256 PMAQI
24th Sep 2026267 PMAQI
24th Sep 2026248 PMAQI
24th Sep 2026269 PMAQI
24th Sep 20262410 PMAQI
24th Sep 20262111 PMAQI
25th Sep 20262612 AMAQI
25th Sep 2026241 AMAQI
25th Sep 2026242 AMAQI
25th Sep 2026243 AMAQI
25th Sep 2026244 AMAQI
25th Sep 2026225 AMAQI

22°C19/29°C

25th Sep 2026276 AMAQI
25th Sep 2026247 AMAQI
25th Sep 2026248 AMAQI
25th Sep 2026259 AMAQI
25th Sep 20262410 AMAQI
25th Sep 20262211 AMAQI
25th Sep 20262412 PMAQI
25th Sep 2026241 PMAQI
25th Sep 2026242 PMAQI
25th Sep 2026283 PMAQI
25th Sep 2026304 PMAQI
25th Sep 2026325 PMAQI
25th Sep 2026346 PMAQI
25th Sep 2026367 PMAQI
25th Sep 2026518 PMAQI
25th Sep 2026509 PMAQI
25th Sep 20265010 PMAQI
25th Sep 20265311 PMAQI
26th Sep 20265312 AMAQI
26th Sep 2026511 AMAQI
26th Sep 2026462 AMAQI
26th Sep 2026503 AMAQI
26th Sep 2026534 AMAQI
26th Sep 2026525 AMAQI

22°C18/26°C

26th Sep 2026506 AMAQI
26th Sep 2026537 AMAQI
26th Sep 2026538 AMAQI
26th Sep 2026549 AMAQI
26th Sep 20265710 AMAQI
26th Sep 20264911 AMAQI
26th Sep 20264212 PMAQI
26th Sep 2026421 PMAQI
26th Sep 2026432 PMAQI
26th Sep 2026393 PMAQI
26th Sep 2026334 PMAQI
26th Sep 2026245 PMAQI
26th Sep 2026246 PMAQI
26th Sep 2026247 PMAQI
26th Sep 2026208 PMAQI
26th Sep 2026209 PMAQI
26th Sep 20261710 PMAQI
26th Sep 20261811 PMAQI
27th Sep 20261912 AMAQI
27th Sep 2026191 AMAQI
27th Sep 2026162 AMAQI
27th Sep 2026153 AMAQI
27th Sep 2026174 AMAQI
27th Sep 2026165 AMAQI

20°C19/22°C

27th Sep 2026206 AMAQI
27th Sep 2026237 AMAQI
27th Sep 2026248 AMAQI
27th Sep 2026229 AMAQI
27th Sep 20262010 AMAQI
27th Sep 20262411 AMAQI
27th Sep 20262212 PMAQI
27th Sep 2026241 PMAQI
27th Sep 2026242 PMAQI
27th Sep 2026223 PMAQI
27th Sep 2026194 PMAQI
27th Sep 2026165 PMAQI
27th Sep 2026166 PMAQI
27th Sep 2026197 PMAQI
27th Sep 2026168 PMAQI
27th Sep 2026169 PMAQI
27th Sep 20261410 PMAQI
27th Sep 20261911 PMAQI
28th Sep 20262512 AMAQI
28th Sep 2026251 AMAQI
28th Sep 2026262 AMAQI
28th Sep 2026213 AMAQI
28th Sep 2026224 AMAQI
28th Sep 2026245 AMAQI

22°C20/24°C

28th Sep 2026246 AMAQI
28th Sep 2026227 AMAQI
28th Sep 2026218 AMAQI
28th Sep 2026229 AMAQI
28th Sep 20262410 AMAQI
28th Sep 20262311 AMAQI
28th Sep 20262412 PMAQI
28th Sep 2026261 PMAQI
28th Sep 2026292 PMAQI
28th Sep 2026313 PMAQI
28th Sep 2026314 PMAQI
28th Sep 2026255 PMAQI
28th Sep 2026236 PMAQI
28th Sep 2026267 PMAQI
28th Sep 2026268 PMAQI
28th Sep 2026339 PMAQI
28th Sep 20263410 PMAQI
28th Sep 20263111 PMAQI
29th Sep 20263012 AMAQI
29th Sep 2026251 AMAQI
29th Sep 2026272 AMAQI
29th Sep 2026253 AMAQI
29th Sep 2026214 AMAQI
29th Sep 2026255 AMAQI

22°C20/23°C

29th Sep 2026256 AMAQI
29th Sep 2026247 AMAQI
29th Sep 2026228 AMAQI
29th Sep 2026229 AMAQI
29th Sep 20262110 AMAQI
29th Sep 20262811 AMAQI
29th Sep 20262512 PMAQI
29th Sep 2026241 PMAQI
29th Sep 2026232 PMAQI
29th Sep 2026243 PMAQI
29th Sep 2026244 PMAQI
29th Sep 2026225 PMAQI
29th Sep 2026226 PMAQI
29th Sep 2026227 PMAQI
29th Sep 2026228 PMAQI
29th Sep 2026229 PMAQI
29th Sep 20262210 PMAQI
29th Sep 20262111 PMAQI
30th Sep 20262112 AMAQI
30th Sep 2026221 AMAQI
30th Sep 2026252 AMAQI
30th Sep 2026223 AMAQI
30th Sep 2026224 AMAQI
30th Sep 2026235 AMAQI

20°C18/23°C

30th Sep 2026226 AMAQI
30th Sep 2026237 AMAQI
30th Sep 2026238 AMAQI
30th Sep 2026229 AMAQI
30th Sep 20262110 AMAQI
30th Sep 20262411 AMAQI
30th Sep 20262412 PMAQI
30th Sep 2026261 PMAQI
30th Sep 2026242 PMAQI
30th Sep 2026243 PMAQI
30th Sep 2026234 PMAQI
30th Sep 2026245 PMAQI
30th Sep 2026246 PMAQI
30th Sep 2026247 PMAQI
30th Sep 2026258 PMAQI
30th Sep 2026269 PMAQI
30th Sep 20262610 PMAQI
30th Sep 20262811 PMAQI
1st Oct 20262512 AMAQI
1st Oct 2026251 AMAQI
1st Oct 2026252 AMAQI
1st Oct 2026263 AMAQI
1st Oct 2026264 AMAQI
1st Oct 2026245 AMAQI

21°C18/25°C

1st Oct 2026296 AMAQI
1st Oct 2026267 AMAQI
1st Oct 2026268 AMAQI
1st Oct 2026249 AMAQI
1st Oct 20262610 AMAQI
1st Oct 20262411 AMAQI
1st Oct 20263712 PMAQI
1st Oct 2026271 PMAQI
1st Oct 2026262 PMAQI
1st Oct 2026293 PMAQI
1st Oct 2026334 PMAQI
1st Oct 2026425 PMAQI
1st Oct 2026426 PMAQI
1st Oct 2026417 PMAQI
1st Oct 2026408 PMAQI
1st Oct 2026379 PMAQI
1st Oct 20264010 PMAQI
1st Oct 20263311 PMAQI
2nd Oct 20263012 AMAQI
2nd Oct 2026331 AMAQI
2nd Oct 2026372 AMAQI
2nd Oct 2026373 AMAQI
2nd Oct 2026324 AMAQI
2nd Oct 2026275 AMAQI

21°C17/26°C

2nd Oct 2026256 AMAQI
6 AM
2nd Oct 2026247 AMAQI
2nd Oct 2026228 AMAQI
2nd Oct 2026239 AMAQI
2nd Oct 20262510 AMAQI
2nd Oct 20262211 AMAQI
2nd Oct 20262212 PMAQI
12 PM
2nd Oct 2026211 PMAQI
2nd Oct 2026232 PMAQI
2nd Oct 2026253 PMAQI
2nd Oct 2026254 PMAQI
2nd Oct 2026245 PMAQI
2nd Oct 2026256 PMAQI
6 PM
2nd Oct 2026257 PMAQI
2nd Oct 2026248 PMAQI
2nd Oct 2026249 PMAQI
2nd Oct 20262610 PMAQI
2nd Oct 20262411 PMAQI
12 AM
5 AM

20°C16/24°C

Day time
Avg. Highest Time
10 AM

27AQI

1 hours / Day
30 hours / Month
Avg. Lowest Time
7 AM - 9 AM

25AQI

3 hours / Day
90 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 10 AM to 10 AM (Avg. 27), while the lowest AQI was between 7 AM to 9 AM (Avg. 25).
Night time
Avg. Highest Time
12 AM - 3 AM

27AQI

4 hours / Day
120 hours / Month
Avg. Lowest Time
5 AM - 8 PM

25AQI

3 hours / Day
90 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 3 AM (Avg. 27), while the lowest AQI was between 5 AM to 8 PM (Avg. 25).

2026 Days Vs Air Quality

Ube, Yamaguchi, Japan

2026

86%

236

14%

39

Total number of days with different AQI categories in last 275 days in 2026 (90 days remaining)

Good
236 Days
Moderate
39 Days
Poor
0 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 86%

Health Risk Level:

Low

In 2026, 86% of 275 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

Ube, 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
27AQI (US)
2nd January 2026
27AQI (US)
3rd January 2026
29AQI (US)
4th January 2026
42AQI (US)
5th January 2026
50AQI (US)
6th January 2026
34AQI (US)
7th January 2026
44AQI (US)
8th January 2026
31AQI (US)
9th January 2026
25AQI (US)
10th January 2026
36AQI (US)
11th January 2026
28AQI (US)
12th January 2026
27AQI (US)
13th January 2026
44AQI (US)
14th January 2026
24AQI (US)
15th January 2026
41AQI (US)
16th January 2026
65AQI (US)
17th January 2026
72AQI (US)
18th January 2026
73AQI (US)
19th January 2026
71AQI (US)
20th January 2026
32AQI (US)
21st January 2026
14AQI (US)
22nd January 2026
23AQI (US)
23rd January 2026
36AQI (US)
24th January 2026
44AQI (US)
25th January 2026
14AQI (US)
26th January 2026
16AQI (US)
27th January 2026
48AQI (US)
28th January 2026
34AQI (US)
29th January 2026
42AQI (US)
30th January 2026
25AQI (US)
31st January 2026
27AQI (US)
1st February 2026
49AQI (US)
2nd February 2026
47AQI (US)
3rd February 2026
32AQI (US)
4th February 2026
39AQI (US)
5th February 2026
46AQI (US)
6th February 2026
51AQI (US)
7th February 2026
29AQI (US)
8th February 2026
23AQI (US)
9th February 2026
38AQI (US)
10th February 2026
43AQI (US)
11th February 2026
48AQI (US)
12th February 2026
43AQI (US)
13th February 2026
60AQI (US)
14th February 2026
66AQI (US)
15th February 2026
54AQI (US)
16th February 2026
59AQI (US)
17th February 2026
26AQI (US)
18th February 2026
35AQI (US)
19th February 2026
59AQI (US)
20th February 2026
61AQI (US)
21st February 2026
73AQI (US)
22nd February 2026
47AQI (US)
23rd February 2026
41AQI (US)
24th February 2026
19AQI (US)
25th February 2026
23AQI (US)
26th February 2026
29AQI (US)
27th February 2026
48AQI (US)
28th February 2026
34AQI (US)
1st March 2026
36AQI (US)
2nd March 2026
59AQI (US)
3rd March 2026
38AQI (US)
4th March 2026
45AQI (US)
5th March 2026
48AQI (US)
6th March 2026
49AQI (US)
7th March 2026
49AQI (US)
8th March 2026
41AQI (US)
9th March 2026
33AQI (US)
10th March 2026
43AQI (US)
11th March 2026
56AQI (US)
12th March 2026
58AQI (US)
13th March 2026
37AQI (US)
14th March 2026
42AQI (US)
15th March 2026
58AQI (US)
16th March 2026
50AQI (US)
17th March 2026
41AQI (US)
18th March 2026
49AQI (US)
19th March 2026
50AQI (US)
20th March 2026
53AQI (US)
21st March 2026
43AQI (US)
22nd March 2026
45AQI (US)
23rd March 2026
39AQI (US)
24th March 2026
48AQI (US)
25th March 2026
51AQI (US)
26th March 2026
25AQI (US)
27th March 2026
47AQI (US)
28th March 2026
73AQI (US)
29th March 2026
76AQI (US)
30th March 2026
60AQI (US)
31st March 2026
20AQI (US)
1st April 2026
20AQI (US)
2nd April 2026
54AQI (US)
3rd April 2026
54AQI (US)
4th April 2026
25AQI (US)
5th April 2026
38AQI (US)
6th April 2026
36AQI (US)
7th April 2026
28AQI (US)
8th April 2026
30AQI (US)
9th April 2026
32AQI (US)
10th April 2026
45AQI (US)
11th April 2026
35AQI (US)
12th April 2026
47AQI (US)
13th April 2026
48AQI (US)
14th April 2026
30AQI (US)
15th April 2026
36AQI (US)
16th April 2026
36AQI (US)
17th April 2026
34AQI (US)
18th April 2026
28AQI (US)
19th April 2026
30AQI (US)
20th April 2026
34AQI (US)
21st April 2026
40AQI (US)
22nd April 2026
46AQI (US)
23rd April 2026
27AQI (US)
24th April 2026
34AQI (US)
25th April 2026
45AQI (US)
26th April 2026
50AQI (US)
27th April 2026
49AQI (US)
28th April 2026
51AQI (US)
29th April 2026
41AQI (US)
30th April 2026
32AQI (US)
1st May 2026
50AQI (US)
2nd May 2026
53AQI (US)
3rd May 2026
41AQI (US)
4th May 2026
36AQI (US)
5th May 2026
25AQI (US)
6th May 2026
29AQI (US)
7th May 2026
31AQI (US)
8th May 2026
27AQI (US)
9th May 2026
29AQI (US)
10th May 2026
32AQI (US)
11th May 2026
32AQI (US)
12th May 2026
29AQI (US)
13th May 2026
39AQI (US)
14th May 2026
30AQI (US)
15th May 2026
33AQI (US)
16th May 2026
77AQI (US)
17th May 2026
62AQI (US)
18th May 2026
53AQI (US)
19th May 2026
45AQI (US)
20th May 2026
60AQI (US)
21st May 2026
66AQI (US)
22nd May 2026
70AQI (US)
23rd May 2026
62AQI (US)
24th May 2026
64AQI (US)
25th May 2026
55AQI (US)
26th May 2026
41AQI (US)
27th May 2026
24AQI (US)
28th May 2026
25AQI (US)
29th May 2026
25AQI (US)
30th May 2026
24AQI (US)
31st May 2026
27AQI (US)
1st June 2026
27AQI (US)
2nd June 2026
24AQI (US)
3rd June 2026
26AQI (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
28AQI (US)
12th June 2026
26AQI (US)
13th June 2026
26AQI (US)
14th June 2026
23AQI (US)
15th June 2026
23AQI (US)
16th June 2026
25AQI (US)
17th June 2026
23AQI (US)
18th June 2026
26AQI (US)
19th June 2026
31AQI (US)
20th June 2026
21AQI (US)
21st June 2026
20AQI (US)
22nd June 2026
20AQI (US)
23rd June 2026
21AQI (US)
24th June 2026
20AQI (US)
25th June 2026
26AQI (US)
26th June 2026
28AQI (US)
27th June 2026
26AQI (US)
28th June 2026
26AQI (US)
29th June 2026
25AQI (US)
30th June 2026
40AQI (US)
1st July 2026
41AQI (US)
2nd July 2026
23AQI (US)
3rd July 2026
28AQI (US)
4th July 2026
25AQI (US)
5th July 2026
21AQI (US)
6th July 2026
22AQI (US)
7th July 2026
26AQI (US)
8th July 2026
25AQI (US)
9th July 2026
24AQI (US)
10th July 2026
26AQI (US)
11th July 2026
28AQI (US)
12th July 2026
27AQI (US)
13th July 2026
37AQI (US)
14th July 2026
29AQI (US)
15th July 2026
24AQI (US)
16th July 2026
27AQI (US)
17th July 2026
34AQI (US)
18th July 2026
58AQI (US)
19th July 2026
64AQI (US)
20th July 2026
55AQI (US)
21st July 2026
55AQI (US)
22nd July 2026
36AQI (US)
23rd July 2026
28AQI (US)
24th July 2026
32AQI (US)
25th July 2026
27AQI (US)
26th July 2026
25AQI (US)
27th July 2026
30AQI (US)
28th July 2026
26AQI (US)
29th July 2026
24AQI (US)
30th July 2026
23AQI (US)
31st July 2026
23AQI (US)
1st August 2026
29AQI (US)
2nd August 2026
43AQI (US)
3rd August 2026
51AQI (US)
4th August 2026
44AQI (US)
5th August 2026
33AQI (US)
6th August 2026
32AQI (US)
7th August 2026
24AQI (US)
8th August 2026
24AQI (US)
9th August 2026
22AQI (US)
10th August 2026
26AQI (US)
11th August 2026
24AQI (US)
12th August 2026
23AQI (US)
13th August 2026
27AQI (US)
14th August 2026
50AQI (US)
15th August 2026
23AQI (US)
16th August 2026
22AQI (US)
17th August 2026
26AQI (US)
18th August 2026
27AQI (US)
19th August 2026
27AQI (US)
20th August 2026
28AQI (US)
21st August 2026
26AQI (US)
22nd August 2026
26AQI (US)
23rd August 2026
25AQI (US)
24th August 2026
26AQI (US)
25th August 2026
27AQI (US)
26th August 2026
24AQI (US)
27th August 2026
24AQI (US)
28th August 2026
23AQI (US)
29th August 2026
33AQI (US)
30th August 2026
26AQI (US)
31st August 2026
32AQI (US)
1st September 2026
28AQI (US)
2nd September 2026
27AQI (US)
3rd September 2026
26AQI (US)
4th September 2026
24AQI (US)
5th September 2026
22AQI (US)
6th September 2026
24AQI (US)
7th September 2026
24AQI (US)
8th September 2026
22AQI (US)
9th September 2026
25AQI (US)
10th September 2026
22AQI (US)
11th September 2026
22AQI (US)
12th September 2026
26AQI (US)
13th September 2026
41AQI (US)
14th September 2026
26AQI (US)
15th September 2026
24AQI (US)
16th September 2026
24AQI (US)
17th September 2026
25AQI (US)
18th September 2026
25AQI (US)
19th September 2026
25AQI (US)
20th September 2026
26AQI (US)
21st September 2026
23AQI (US)
22nd September 2026
32AQI (US)
23rd September 2026
27AQI (US)
24th September 2026
23AQI (US)
25th September 2026
30AQI (US)
26th September 2026
40AQI (US)
27th September 2026
19AQI (US)
28th September 2026
26AQI (US)
29th September 2026
23AQI (US)
30th September 2026
24AQI (US)
1st October 2026
30AQI (US)
2nd October 2026
26AQI (US)
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

37AQI (US)

44AQI (US)

47AQI (US)

38AQI (US)

42AQI (US)

25AQI (US)

31AQI (US)

29AQI (US)

26AQI (US)

28AQI (US)

No. of days

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

202635AQI (US)

27
4
20
8
22
9
27
3
21
10
30
27
4
30
1
30
2
236
39

Highest AQI (US) recorded in

March

47AQI (US)

Lowest AQI (US) recorded in

June

25AQI (US)

202545AQI (US)

27
4
25
3
17
14
17
13
22
9
18
12
17
14
28
3
30
16
15
10
20
17
14
244
121

Highest AQI (US) recorded in

November

54AQI (US)

Lowest AQI (US) recorded in

September

30AQI (US)

202438AQI (US)

29
2
24
5
23
8
19
10
1
25
6
26
4
31
29
2
26
4
31
27
3
31
321
44
1

Highest AQI (US) recorded in

April

50AQI (US)

Lowest AQI (US) recorded in

July

29AQI (US)

202342AQI (US)

22
6
2
27
1
20
11
14
16
21
10
21
9
28
3
30
1
25
5
26
5
23
6
23
8
280
81
2

Highest AQI (US) recorded in

April

52AQI (US)

Lowest AQI (US) recorded in

August

31AQI (US)

202241AQI (US)

23
7
18
3
20
11
18
12
19
12
24
6
20
5
1
27
2
27
4
24
6
30
1
250
70

Highest AQI (US) recorded in

August

53AQI (US)

Lowest AQI (US) recorded in

December

35AQI (US)

202139AQI (US)

24
6
21
7
20
9
18
3
18
13
19
11
31
30
1
27
3
28
3
20
10
29
2
285
68

Highest AQI (US) recorded in

May

46AQI (US)

Lowest AQI (US) recorded in

August

30AQI (US)

202037AQI (US)

11
2
13
8
12
6
21
9
29
2
12
7
18
1
28
3
26
4
25
6
195
48

Highest AQI (US) recorded in

August

47AQI (US)

Lowest AQI (US) recorded in

September

30AQI (US)

Most & Least Polluted Years Over the Last 7 Years

Most Polluted Year Recorded
2025(Avg.)
45AQI (US)
Least Polluted Year Recorded
2026(Avg.)
35AQI (US)

Ube's annual 2026 AQI (US) (35) shows an average percentage change of -12.8% (improved AQI (US)) compared to previous years: 2020 (37), 2021 (39), 2022 (41), 2023 (42), 2024 (38), 2025 (45).