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HistoryAQIPM₂.₅PM₁₀COSO₂NO₂O₃

Hagi, 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

Hagi, Yamaguchi, Japan

2022
2023
2024
2025
2026
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
8th Oct 2025
62AQI
Lowest AQI recorded on
26th Oct 2022
16AQI

Same Day Analysis (3rd October):
On this day, AQI across the 5 years varied significantly: 2026 ranks 4th highest AQI at 25 of Good air quality, showing improvement over 2025, 2023 and 2022 on the same day.

Day & Night AQI Trend: 2nd Oct - 3rd Oct 2026

Hagi, Yamaguchi, Japan

AQI
Day
Night
.

6 AM2nd Oct 2026

6 PM

5 AM3rd Oct 2026

Day time
Avg. Highest Time
7AM2nd Oct

31AQI

Avg. Lowest Time
5PM2nd Oct

21AQI

Night time
Avg. Highest Time
10PM2nd Oct

25AQI

Avg. Lowest Time
9PM2nd Oct

21AQI

In the last 24 hours,

Hagi's AQI reached its highest point of 31 at 7 AM during the Day, while the lowest point, 21, was recorded at 9 PM during the Night between 2nd Oct and 3rd Oct 2026.

Day & Night AQI Trend : Sep - Oct 2026

Hagi, Yamaguchi, Japan

SepOct
04th - 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 - 03rd03rd
Day
Night
4th Sep 2026176 AMAQI
4th Sep 2026197 AMAQI
4th Sep 2026178 AMAQI
4th Sep 2026149 AMAQI
4th Sep 20261710 AMAQI
4th Sep 20261911 AMAQI
4th Sep 20261412 PMAQI
4th Sep 2026191 PMAQI
4th Sep 2026212 PMAQI
4th Sep 2026213 PMAQI
4th Sep 2026214 PMAQI
4th Sep 2026195 PMAQI
4th Sep 2026166 PMAQI
4th Sep 2026147 PMAQI
4th Sep 2026128 PMAQI
4th Sep 2026199 PMAQI
4th Sep 20262110 PMAQI
4th Sep 20262111 PMAQI
5th Sep 20262112 AMAQI
5th Sep 2026211 AMAQI
5th Sep 2026192 AMAQI
5th Sep 2026213 AMAQI
5th Sep 2026174 AMAQI
5th Sep 2026255 AMAQI

23°C22/24°C

5th Sep 2026256 AMAQI
5th Sep 2026217 AMAQI
5th Sep 2026198 AMAQI
5th Sep 2026219 AMAQI
5th Sep 20262110 AMAQI
5th Sep 20262511 AMAQI
5th Sep 20262512 PMAQI
5th Sep 2026211 PMAQI
5th Sep 2026212 PMAQI
5th Sep 2026253 PMAQI
5th Sep 2026254 PMAQI
5th Sep 2026255 PMAQI
5th Sep 2026256 PMAQI
5th Sep 2026237 PMAQI
5th Sep 2026218 PMAQI
5th Sep 2026219 PMAQI
5th Sep 20262110 PMAQI
5th Sep 20262111 PMAQI
6th Sep 20262312 AMAQI
6th Sep 2026231 AMAQI
6th Sep 2026232 AMAQI
6th Sep 2026233 AMAQI
6th Sep 2026254 AMAQI
6th Sep 2026235 AMAQI

23°C21/28°C

6th Sep 2026236 AMAQI
6th Sep 2026217 AMAQI
6th Sep 2026218 AMAQI
6th Sep 2026219 AMAQI
6th Sep 20262110 AMAQI
6th Sep 20262111 AMAQI
6th Sep 20262312 PMAQI
6th Sep 2026231 PMAQI
6th Sep 2026252 PMAQI
6th Sep 2026293 PMAQI
6th Sep 2026294 PMAQI
6th Sep 2026315 PMAQI
6th Sep 2026336 PMAQI
6th Sep 2026337 PMAQI
6th Sep 2026318 PMAQI
6th Sep 2026339 PMAQI
6th Sep 20263110 PMAQI
6th Sep 20263311 PMAQI
7th Sep 20262712 AMAQI
7th Sep 2026291 AMAQI
7th Sep 2026292 AMAQI
7th Sep 2026273 AMAQI
7th Sep 2026294 AMAQI
7th Sep 2026275 AMAQI

23°C21/27°C

7th Sep 2026276 AMAQI
7th Sep 2026257 AMAQI
7th Sep 2026258 AMAQI
7th Sep 2026239 AMAQI
7th Sep 20262110 AMAQI
7th Sep 20262111 AMAQI
7th Sep 20262112 PMAQI
7th Sep 2026211 PMAQI
7th Sep 2026252 PMAQI
7th Sep 2026213 PMAQI
7th Sep 2026214 PMAQI
7th Sep 2026215 PMAQI
7th Sep 2026216 PMAQI
7th Sep 2026257 PMAQI
7th Sep 2026218 PMAQI
7th Sep 2026239 PMAQI
7th Sep 20262110 PMAQI
7th Sep 20262311 PMAQI
8th Sep 20262112 AMAQI
8th Sep 2026231 AMAQI
8th Sep 2026212 AMAQI
8th Sep 2026213 AMAQI
8th Sep 2026254 AMAQI
8th Sep 2026255 AMAQI

24°C23/26°C

8th Sep 2026216 AMAQI
8th Sep 2026257 AMAQI
8th Sep 2026258 AMAQI
8th Sep 2026239 AMAQI
8th Sep 20262510 AMAQI
8th Sep 20262511 AMAQI
8th Sep 20262312 PMAQI
8th Sep 2026251 PMAQI
8th Sep 2026272 PMAQI
8th Sep 2026273 PMAQI
8th Sep 2026274 PMAQI
8th Sep 2026295 PMAQI
8th Sep 2026336 PMAQI
8th Sep 2026317 PMAQI
8th Sep 2026278 PMAQI
8th Sep 2026299 PMAQI
8th Sep 20262910 PMAQI
8th Sep 20262511 PMAQI
9th Sep 20262712 AMAQI
9th Sep 2026271 AMAQI
9th Sep 2026252 AMAQI
9th Sep 2026233 AMAQI
9th Sep 2026254 AMAQI
9th Sep 2026275 AMAQI

24°C22/27°C

9th Sep 2026276 AMAQI
9th Sep 2026257 AMAQI
9th Sep 2026258 AMAQI
9th Sep 2026239 AMAQI
9th Sep 20262510 AMAQI
9th Sep 20262311 AMAQI
9th Sep 20262312 PMAQI
9th Sep 2026251 PMAQI
9th Sep 2026252 PMAQI
9th Sep 2026233 PMAQI
9th Sep 2026254 PMAQI
9th Sep 2026255 PMAQI
9th Sep 2026256 PMAQI
9th Sep 2026257 PMAQI
9th Sep 2026278 PMAQI
9th Sep 2026299 PMAQI
9th Sep 20262710 PMAQI
9th Sep 20262511 PMAQI
10th Sep 20262512 AMAQI
10th Sep 2026251 AMAQI
10th Sep 2026252 AMAQI
10th Sep 2026253 AMAQI
10th Sep 2026234 AMAQI
10th Sep 2026255 AMAQI

22°C20/24°C

10th Sep 2026256 AMAQI
10th Sep 2026217 AMAQI
10th Sep 2026258 AMAQI
10th Sep 2026219 AMAQI
10th Sep 20262710 AMAQI
10th Sep 20262111 AMAQI
10th Sep 20262312 PMAQI
10th Sep 2026211 PMAQI
10th Sep 2026212 PMAQI
10th Sep 2026213 PMAQI
10th Sep 2026214 PMAQI
10th Sep 2026235 PMAQI
10th Sep 2026216 PMAQI
10th Sep 2026217 PMAQI
10th Sep 2026218 PMAQI
10th Sep 2026239 PMAQI
10th Sep 20262110 PMAQI
10th Sep 20262111 PMAQI
11th Sep 20262112 AMAQI
11th Sep 2026231 AMAQI
11th Sep 2026212 AMAQI
11th Sep 2026253 AMAQI
11th Sep 2026214 AMAQI
11th Sep 2026215 AMAQI

21°C19/23°C

11th Sep 2026216 AMAQI
11th Sep 2026217 AMAQI
11th Sep 2026218 AMAQI
11th Sep 2026239 AMAQI
11th Sep 20262110 AMAQI
11th Sep 20262111 AMAQI
11th Sep 20262712 PMAQI
11th Sep 2026211 PMAQI
11th Sep 2026232 PMAQI
11th Sep 2026233 PMAQI
11th Sep 2026234 PMAQI
11th Sep 2026215 PMAQI
11th Sep 2026216 PMAQI
11th Sep 2026217 PMAQI
11th Sep 2026218 PMAQI
11th Sep 2026239 PMAQI
11th Sep 20262310 PMAQI
11th Sep 20262111 PMAQI
12th Sep 20262112 AMAQI
12th Sep 2026211 AMAQI
12th Sep 2026212 AMAQI
12th Sep 2026213 AMAQI
12th Sep 2026214 AMAQI
12th Sep 2026215 AMAQI

22°C20/25°C

12th Sep 2026216 AMAQI
12th Sep 2026217 AMAQI
12th Sep 2026218 AMAQI
12th Sep 2026219 AMAQI
12th Sep 20262110 AMAQI
12th Sep 20262111 AMAQI
12th Sep 20262112 PMAQI
12th Sep 2026211 PMAQI
12th Sep 2026232 PMAQI
12th Sep 2026233 PMAQI
12th Sep 2026254 PMAQI
12th Sep 2026215 PMAQI
12th Sep 2026216 PMAQI
12th Sep 2026237 PMAQI
12th Sep 2026218 PMAQI
12th Sep 2026219 PMAQI
12th Sep 20262510 PMAQI
12th Sep 20262911 PMAQI
13th Sep 20262312 AMAQI
13th Sep 2026251 AMAQI
13th Sep 2026252 AMAQI
13th Sep 2026253 AMAQI
13th Sep 2026274 AMAQI

23°C22/25°C

13th Sep 2026406 AMAQI
13th Sep 2026387 AMAQI
13th Sep 2026368 AMAQI
13th Sep 2026369 AMAQI
13th Sep 20263410 AMAQI
13th Sep 20263111 AMAQI
13th Sep 20262912 PMAQI
13th Sep 2026311 PMAQI
13th Sep 2026362 PMAQI
13th Sep 2026333 PMAQI
13th Sep 2026424 PMAQI
13th Sep 2026385 PMAQI
13th Sep 2026316 PMAQI
13th Sep 2026317 PMAQI
13th Sep 2026318 PMAQI
13th Sep 2026319 PMAQI
13th Sep 20262910 PMAQI
13th Sep 20262711 PMAQI
14th Sep 20262712 AMAQI
14th Sep 2026291 AMAQI
14th Sep 2026252 AMAQI
14th Sep 2026253 AMAQI
14th Sep 2026254 AMAQI
14th Sep 2026255 AMAQI

24°C23/26°C

14th Sep 2026256 AMAQI
14th Sep 2026257 AMAQI
14th Sep 2026238 AMAQI
14th Sep 2026239 AMAQI
14th Sep 20262510 AMAQI
14th Sep 20262111 AMAQI
14th Sep 20262312 PMAQI
14th Sep 2026211 PMAQI
14th Sep 2026252 PMAQI
14th Sep 2026213 PMAQI
14th Sep 2026254 PMAQI
14th Sep 2026235 PMAQI
14th Sep 2026256 PMAQI
14th Sep 2026217 PMAQI
14th Sep 2026258 PMAQI
14th Sep 2026239 PMAQI
14th Sep 20262110 PMAQI
14th Sep 20262511 PMAQI
15th Sep 20262512 AMAQI
15th Sep 2026251 AMAQI
15th Sep 2026232 AMAQI
15th Sep 2026213 AMAQI
15th Sep 2026234 AMAQI
15th Sep 2026235 AMAQI

22°C21/24°C

15th Sep 2026216 AMAQI
15th Sep 2026217 AMAQI
15th Sep 2026218 AMAQI
15th Sep 2026239 AMAQI
15th Sep 20262110 AMAQI
15th Sep 20262311 AMAQI
15th Sep 20262112 PMAQI
15th Sep 2026211 PMAQI
15th Sep 2026212 PMAQI
15th Sep 2026253 PMAQI
15th Sep 2026214 PMAQI
15th Sep 2026215 PMAQI
15th Sep 2026386 PMAQI
15th Sep 2026237 PMAQI
15th Sep 2026238 PMAQI
15th Sep 2026259 PMAQI
15th Sep 20262310 PMAQI
15th Sep 20262311 PMAQI
16th Sep 20262112 AMAQI
16th Sep 2026231 AMAQI
16th Sep 2026212 AMAQI
16th Sep 2026233 AMAQI
16th Sep 2026214 AMAQI
16th Sep 2026215 AMAQI

22°C21/24°C

16th Sep 2026216 AMAQI
16th Sep 2026217 AMAQI
16th Sep 2026238 AMAQI
16th Sep 2026219 AMAQI
16th Sep 20262110 AMAQI
16th Sep 20262111 AMAQI
16th Sep 20262112 PMAQI
16th Sep 2026211 PMAQI
16th Sep 2026232 PMAQI
16th Sep 2026213 PMAQI
16th Sep 2026234 PMAQI
16th Sep 2026215 PMAQI
16th Sep 2026216 PMAQI
16th Sep 2026217 PMAQI
16th Sep 2026218 PMAQI
16th Sep 2026259 PMAQI
16th Sep 20262510 PMAQI
16th Sep 20262511 PMAQI
17th Sep 20262512 AMAQI
17th Sep 2026291 AMAQI
17th Sep 2026272 AMAQI
17th Sep 2026293 AMAQI
17th Sep 2026274 AMAQI
17th Sep 2026295 AMAQI

22°C20/25°C

17th Sep 2026296 AMAQI
17th Sep 2026257 AMAQI
17th Sep 2026278 AMAQI
17th Sep 2026259 AMAQI
17th Sep 20262510 AMAQI
17th Sep 20262511 AMAQI
17th Sep 20262512 PMAQI
17th Sep 2026231 PMAQI
17th Sep 2026272 PMAQI
17th Sep 2026253 PMAQI
17th Sep 2026214 PMAQI
17th Sep 2026235 PMAQI
17th Sep 2026236 PMAQI
17th Sep 2026237 PMAQI
17th Sep 2026218 PMAQI
17th Sep 2026219 PMAQI
17th Sep 20262110 PMAQI
17th Sep 20262111 PMAQI
18th Sep 20262112 AMAQI
18th Sep 2026211 AMAQI
18th Sep 2026232 AMAQI
18th Sep 2026233 AMAQI
18th Sep 2026214 AMAQI
18th Sep 2026235 AMAQI

23°C20/25°C

18th Sep 2026216 AMAQI
18th Sep 2026217 AMAQI
18th Sep 2026218 AMAQI
18th Sep 2026219 AMAQI
18th Sep 20262110 AMAQI
18th Sep 20262111 AMAQI
18th Sep 20262512 PMAQI
18th Sep 2026211 PMAQI
18th Sep 2026212 PMAQI
18th Sep 2026253 PMAQI
18th Sep 2026234 PMAQI
18th Sep 2026215 PMAQI
18th Sep 2026216 PMAQI
18th Sep 2026257 PMAQI
18th Sep 2026258 PMAQI
18th Sep 2026239 PMAQI
18th Sep 20262510 PMAQI
18th Sep 20262511 PMAQI
19th Sep 20262712 AMAQI
19th Sep 2026271 AMAQI
19th Sep 2026252 AMAQI
19th Sep 2026253 AMAQI
19th Sep 2026254 AMAQI
19th Sep 2026255 AMAQI

21°C20/22°C

19th Sep 2026216 AMAQI
19th Sep 2026237 AMAQI
19th Sep 2026238 AMAQI
19th Sep 2026219 AMAQI
19th Sep 20262510 AMAQI
19th Sep 20262911 AMAQI
19th Sep 20262112 PMAQI
19th Sep 2026291 PMAQI
19th Sep 2026212 PMAQI
19th Sep 2026213 PMAQI
19th Sep 2026254 PMAQI
19th Sep 2026215 PMAQI
19th Sep 2026216 PMAQI
19th Sep 2026217 PMAQI
19th Sep 2026218 PMAQI
19th Sep 2026239 PMAQI
19th Sep 20262110 PMAQI
19th Sep 20262111 PMAQI
20th Sep 20262112 AMAQI
20th Sep 2026211 AMAQI
20th Sep 2026212 AMAQI
20th Sep 2026213 AMAQI
20th Sep 2026294 AMAQI
20th Sep 2026255 AMAQI

21°C20/22°C

20th Sep 2026296 AMAQI
20th Sep 2026297 AMAQI
20th Sep 2026258 AMAQI
20th Sep 2026219 AMAQI
20th Sep 20262910 AMAQI
20th Sep 20262111 AMAQI
20th Sep 20262912 PMAQI
20th Sep 2026251 PMAQI
20th Sep 2026252 PMAQI
20th Sep 2026213 PMAQI
20th Sep 2026214 PMAQI
20th Sep 2026255 PMAQI
20th Sep 2026216 PMAQI
20th Sep 2026217 PMAQI
20th Sep 2026258 PMAQI
20th Sep 2026219 PMAQI
20th Sep 20262510 PMAQI
20th Sep 20262911 PMAQI
21st Sep 20262512 AMAQI
21st Sep 2026211 AMAQI
21st Sep 2026212 AMAQI
21st Sep 2026233 AMAQI
21st Sep 2026214 AMAQI
21st Sep 2026215 AMAQI

22°C21/24°C

21st Sep 2026216 AMAQI
21st Sep 2026217 AMAQI
21st Sep 2026218 AMAQI
21st Sep 2026219 AMAQI
21st Sep 20262110 AMAQI
21st Sep 20262111 AMAQI
21st Sep 20262312 PMAQI
21st Sep 2026211 PMAQI
21st Sep 2026252 PMAQI
21st Sep 2026213 PMAQI
21st Sep 2026234 PMAQI
21st Sep 2026235 PMAQI
21st Sep 2026236 PMAQI
21st Sep 2026257 PMAQI
21st Sep 2026258 PMAQI
21st Sep 2026299 PMAQI
21st Sep 20262710 PMAQI
21st Sep 20262711 PMAQI
22nd Sep 20262712 AMAQI
22nd Sep 2026291 AMAQI
22nd Sep 2026442 AMAQI
22nd Sep 2026543 AMAQI
22nd Sep 2026544 AMAQI
22nd Sep 2026465 AMAQI

21°C21/23°C

22nd Sep 2026406 AMAQI
22nd Sep 2026297 AMAQI
22nd Sep 2026278 AMAQI
22nd Sep 2026279 AMAQI
22nd Sep 20262510 AMAQI
22nd Sep 20262711 AMAQI
22nd Sep 20262912 PMAQI
22nd Sep 2026291 PMAQI
22nd Sep 2026292 PMAQI
22nd Sep 2026253 PMAQI
22nd Sep 2026254 PMAQI
22nd Sep 2026275 PMAQI
22nd Sep 2026256 PMAQI
22nd Sep 2026277 PMAQI
22nd Sep 2026278 PMAQI
22nd Sep 2026279 PMAQI
22nd Sep 20262510 PMAQI
22nd Sep 20262911 PMAQI
23rd Sep 20262712 AMAQI
23rd Sep 2026291 AMAQI
23rd Sep 2026252 AMAQI
23rd Sep 2026273 AMAQI
23rd Sep 2026254 AMAQI
23rd Sep 2026255 AMAQI

22°C20/24°C

23rd Sep 2026256 AMAQI
23rd Sep 2026257 AMAQI
23rd Sep 2026258 AMAQI
23rd Sep 2026219 AMAQI
23rd Sep 20262110 AMAQI
23rd Sep 20262511 AMAQI
23rd Sep 20262112 PMAQI
23rd Sep 2026211 PMAQI
23rd Sep 2026212 PMAQI
23rd Sep 2026253 PMAQI
23rd Sep 2026254 PMAQI
23rd Sep 2026275 PMAQI
23rd Sep 2026276 PMAQI
23rd Sep 2026337 PMAQI
23rd Sep 2026298 PMAQI
23rd Sep 2026259 PMAQI
23rd Sep 20262510 PMAQI
23rd Sep 20262911 PMAQI
24th Sep 20262912 AMAQI
24th Sep 2026251 AMAQI
24th Sep 2026212 AMAQI
24th Sep 2026293 AMAQI
24th Sep 2026294 AMAQI
24th Sep 2026255 AMAQI

20°C17/22°C

24th Sep 2026256 AMAQI
24th Sep 2026217 AMAQI
24th Sep 2026258 AMAQI
24th Sep 2026259 AMAQI
24th Sep 20262510 AMAQI
24th Sep 20262511 AMAQI
24th Sep 20262912 PMAQI
24th Sep 2026291 PMAQI
24th Sep 2026252 PMAQI
24th Sep 2026253 PMAQI
24th Sep 2026214 PMAQI
24th Sep 2026255 PMAQI
24th Sep 2026256 PMAQI
24th Sep 2026297 PMAQI
24th Sep 2026258 PMAQI
24th Sep 2026259 PMAQI
24th Sep 20262510 PMAQI
24th Sep 20262911 PMAQI
25th Sep 20262512 AMAQI
25th Sep 2026211 AMAQI
25th Sep 2026212 AMAQI
25th Sep 2026293 AMAQI
25th Sep 2026294 AMAQI
25th Sep 2026255 AMAQI

21°C19/24°C

25th Sep 2026276 AMAQI
25th Sep 2026217 AMAQI
25th Sep 2026258 AMAQI
25th Sep 2026259 AMAQI
25th Sep 20262510 AMAQI
25th Sep 20262511 AMAQI
25th Sep 20262912 PMAQI
25th Sep 2026331 PMAQI
25th Sep 2026272 PMAQI
25th Sep 2026333 PMAQI
25th Sep 2026404 PMAQI
25th Sep 2026425 PMAQI
25th Sep 2026386 PMAQI
25th Sep 2026217 PMAQI
25th Sep 2026428 PMAQI
25th Sep 2026219 PMAQI
25th Sep 20263410 PMAQI
25th Sep 20262111 PMAQI
26th Sep 20262112 AMAQI
26th Sep 2026211 AMAQI
26th Sep 2026212 AMAQI
26th Sep 2026233 AMAQI
26th Sep 2026254 AMAQI
26th Sep 2026255 AMAQI

21°C19/24°C

26th Sep 2026296 AMAQI
26th Sep 2026317 AMAQI
26th Sep 2026338 AMAQI
26th Sep 2026409 AMAQI
26th Sep 20265310 AMAQI
26th Sep 20265211 AMAQI
26th Sep 20265912 PMAQI
26th Sep 2026551 PMAQI
26th Sep 2026532 PMAQI
26th Sep 2026483 PMAQI
26th Sep 2026334 PMAQI
26th Sep 2026255 PMAQI
26th Sep 2026176 PMAQI
26th Sep 2026107 PMAQI
26th Sep 202688 PMAQI
26th Sep 2026129 PMAQI
26th Sep 20261210 PMAQI
26th Sep 2026711 PMAQI
27th Sep 2026812 AMAQI
27th Sep 202681 AMAQI
27th Sep 2026122 AMAQI
27th Sep 202683 AMAQI
27th Sep 2026124 AMAQI
27th Sep 2026145 AMAQI

20°C19/21°C

27th Sep 2026126 AMAQI
27th Sep 202687 AMAQI
27th Sep 2026218 AMAQI
27th Sep 2026149 AMAQI
27th Sep 20261910 AMAQI
27th Sep 20261711 AMAQI
27th Sep 20263612 PMAQI
27th Sep 2026361 PMAQI
27th Sep 2026382 PMAQI
27th Sep 2026213 PMAQI
27th Sep 2026254 PMAQI
27th Sep 2026255 PMAQI
27th Sep 2026256 PMAQI
27th Sep 2026217 PMAQI
27th Sep 2026258 PMAQI
27th Sep 2026179 PMAQI
27th Sep 20262710 PMAQI
27th Sep 20263111 PMAQI
28th Sep 20261212 AMAQI
28th Sep 2026291 AMAQI
28th Sep 2026252 AMAQI
28th Sep 2026253 AMAQI
28th Sep 2026254 AMAQI
28th Sep 2026255 AMAQI

21°C19/24°C

28th Sep 2026256 AMAQI
28th Sep 2026297 AMAQI
28th Sep 2026318 AMAQI
28th Sep 2026339 AMAQI
28th Sep 20263310 AMAQI
28th Sep 20263311 AMAQI
28th Sep 20263112 PMAQI
28th Sep 2026291 PMAQI
28th Sep 2026292 PMAQI
28th Sep 2026253 PMAQI
28th Sep 2026234 PMAQI
28th Sep 2026255 PMAQI
28th Sep 2026216 PMAQI
28th Sep 2026257 PMAQI
28th Sep 2026258 PMAQI
28th Sep 2026259 PMAQI
28th Sep 20262310 PMAQI
28th Sep 20262311 PMAQI
29th Sep 20262312 AMAQI
29th Sep 2026211 AMAQI
29th Sep 2026252 AMAQI
29th Sep 2026233 AMAQI
29th Sep 2026214 AMAQI
29th Sep 2026255 AMAQI

22°C22/23°C

29th Sep 2026216 AMAQI
29th Sep 2026217 AMAQI
29th Sep 2026258 AMAQI
29th Sep 2026239 AMAQI
29th Sep 20262110 AMAQI
29th Sep 20262511 AMAQI
29th Sep 20262112 PMAQI
29th Sep 2026251 PMAQI
29th Sep 2026252 PMAQI
29th Sep 2026253 PMAQI
29th Sep 2026254 PMAQI
29th Sep 2026255 PMAQI
29th Sep 2026236 PMAQI
29th Sep 2026217 PMAQI
29th Sep 2026218 PMAQI
29th Sep 2026219 PMAQI
29th Sep 20262310 PMAQI
29th Sep 20262911 PMAQI
30th Sep 20262512 AMAQI
30th Sep 2026231 AMAQI
30th Sep 2026232 AMAQI
30th Sep 2026213 AMAQI
30th Sep 2026214 AMAQI
30th Sep 2026235 AMAQI

19°C18/22°C

30th Sep 2026256 AMAQI
30th Sep 2026237 AMAQI
30th Sep 2026258 AMAQI
30th Sep 2026239 AMAQI
30th Sep 20262110 AMAQI
30th Sep 20262311 AMAQI
30th Sep 20262512 PMAQI
30th Sep 2026251 PMAQI
30th Sep 2026252 PMAQI
30th Sep 2026293 PMAQI
30th Sep 2026294 PMAQI
30th Sep 2026295 PMAQI
30th Sep 2026256 PMAQI
30th Sep 2026257 PMAQI
30th Sep 2026238 PMAQI
30th Sep 2026239 PMAQI
30th Sep 20262110 PMAQI
30th Sep 20262111 PMAQI
1st Oct 20262912 AMAQI
1st Oct 2026251 AMAQI
1st Oct 2026252 AMAQI
1st Oct 2026233 AMAQI
1st Oct 2026214 AMAQI
1st Oct 2026235 AMAQI

20°C18/23°C

1st Oct 2026256 AMAQI
1st Oct 2026237 AMAQI
1st Oct 2026238 AMAQI
1st Oct 2026239 AMAQI
1st Oct 20262510 AMAQI
1st Oct 20262511 AMAQI
1st Oct 20262112 PMAQI
1st Oct 2026211 PMAQI
1st Oct 2026252 PMAQI
1st Oct 2026273 PMAQI
1st Oct 2026274 PMAQI
1st Oct 2026315 PMAQI
1st Oct 2026296 PMAQI
1st Oct 2026297 PMAQI
1st Oct 2026298 PMAQI
1st Oct 2026319 PMAQI
1st Oct 20263110 PMAQI
1st Oct 20263311 PMAQI
2nd Oct 20263312 AMAQI
2nd Oct 2026311 AMAQI
2nd Oct 2026332 AMAQI
2nd Oct 2026333 AMAQI
2nd Oct 2026334 AMAQI
2nd Oct 2026315 AMAQI

20°C18/23°C

2nd Oct 2026296 AMAQI
2nd Oct 2026317 AMAQI
2nd Oct 2026318 AMAQI
2nd Oct 2026299 AMAQI
2nd Oct 20263110 AMAQI
2nd Oct 20263111 AMAQI
2nd Oct 20262912 PMAQI
2nd Oct 2026271 PMAQI
2nd Oct 2026252 PMAQI
2nd Oct 2026253 PMAQI
2nd Oct 2026254 PMAQI
2nd Oct 2026215 PMAQI
2nd Oct 2026216 PMAQI
2nd Oct 2026217 PMAQI
2nd Oct 2026218 PMAQI
2nd Oct 2026219 PMAQI
2nd Oct 20262510 PMAQI
2nd Oct 20262511 PMAQI
3rd Oct 20262312 AMAQI
3rd Oct 2026251 AMAQI
3rd Oct 2026252 AMAQI
3rd Oct 2026233 AMAQI
3rd Oct 2026254 AMAQI
3rd Oct 2026255 AMAQI

19°C16/21°C

3rd Oct 2026256 AMAQI
6 AM
3rd Oct 2026237 AMAQI
3rd Oct 2026238 AMAQI
3rd Oct 2026259 AMAQI
3rd Oct 20262710 AMAQI
3rd Oct 20262911 AMAQI
3rd Oct 20262512 PMAQI
12 PM
3rd Oct 2026271 PMAQI
3rd Oct 2026252 PMAQI
3rd Oct 2026253 PMAQI
3rd Oct 2026254 PMAQI
3rd Oct 2026255 PMAQI
3rd Oct 2026256 PMAQI
6 PM
3rd Oct 2026257 PMAQI
3rd Oct 2026258 PMAQI
3rd Oct 2026259 PMAQI
3rd Oct 20262910 PMAQI
3rd Oct 20262711 PMAQI
12 AM
5 AM

19°C15/23°C

Day time
Avg. Highest Time
12 PM - 2 PM

26AQI

3 hours / Day
90 hours / Month
Avg. Lowest Time
7 AM - 9 AM

24AQI

3 hours / Day
90 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 PM to 2 PM (Avg. 26), while the lowest AQI was between 7 AM to 9 AM (Avg. 24).
Night time
Avg. Highest Time
3 AM - 5 AM

25AQI

3 hours / Day
90 hours / Month
Avg. Lowest Time
12 AM - 2 AM

24AQI

3 hours / Day
90 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 3 AM to 5 AM (Avg. 25), while the lowest AQI was between 12 AM to 2 AM (Avg. 24).

2026 Days Vs Air Quality

Hagi, Yamaguchi, Japan

2026

86%

236

14%

40

Total number of days with different AQI categories in last 276 days in 2026 (89 days remaining)

Good
236 Days
Moderate
40 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 276 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

Hagi, 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
23AQI (US)
3rd January 2026
28AQI (US)
4th January 2026
37AQI (US)
5th January 2026
41AQI (US)
6th January 2026
21AQI (US)
7th January 2026
34AQI (US)
8th January 2026
26AQI (US)
9th January 2026
15AQI (US)
10th January 2026
32AQI (US)
11th January 2026
24AQI (US)
12th January 2026
26AQI (US)
13th January 2026
40AQI (US)
14th January 2026
22AQI (US)
15th January 2026
40AQI (US)
16th January 2026
62AQI (US)
17th January 2026
69AQI (US)
18th January 2026
68AQI (US)
19th January 2026
66AQI (US)
20th January 2026
41AQI (US)
21st January 2026
10AQI (US)
22nd January 2026
22AQI (US)
23rd January 2026
37AQI (US)
24th January 2026
44AQI (US)
25th January 2026
22AQI (US)
26th January 2026
13AQI (US)
27th January 2026
38AQI (US)
28th January 2026
24AQI (US)
29th January 2026
34AQI (US)
30th January 2026
12AQI (US)
31st January 2026
19AQI (US)
1st February 2026
46AQI (US)
2nd February 2026
47AQI (US)
3rd February 2026
28AQI (US)
4th February 2026
35AQI (US)
5th February 2026
44AQI (US)
6th February 2026
54AQI (US)
7th February 2026
18AQI (US)
8th February 2026
16AQI (US)
9th February 2026
34AQI (US)
10th February 2026
38AQI (US)
11th February 2026
47AQI (US)
12th February 2026
43AQI (US)
13th February 2026
58AQI (US)
14th February 2026
57AQI (US)
15th February 2026
47AQI (US)
16th February 2026
54AQI (US)
17th February 2026
19AQI (US)
18th February 2026
32AQI (US)
19th February 2026
44AQI (US)
20th February 2026
52AQI (US)
21st February 2026
55AQI (US)
22nd February 2026
33AQI (US)
23rd February 2026
28AQI (US)
24th February 2026
11AQI (US)
25th February 2026
22AQI (US)
26th February 2026
12AQI (US)
27th February 2026
47AQI (US)
28th February 2026
34AQI (US)
1st March 2026
35AQI (US)
2nd March 2026
57AQI (US)
3rd March 2026
38AQI (US)
4th March 2026
46AQI (US)
5th March 2026
48AQI (US)
6th March 2026
46AQI (US)
7th March 2026
51AQI (US)
8th March 2026
29AQI (US)
9th March 2026
31AQI (US)
10th March 2026
33AQI (US)
11th March 2026
53AQI (US)
12th March 2026
55AQI (US)
13th March 2026
36AQI (US)
14th March 2026
42AQI (US)
15th March 2026
57AQI (US)
16th March 2026
48AQI (US)
17th March 2026
39AQI (US)
18th March 2026
48AQI (US)
19th March 2026
48AQI (US)
20th March 2026
42AQI (US)
21st March 2026
24AQI (US)
22nd March 2026
40AQI (US)
23rd March 2026
38AQI (US)
24th March 2026
51AQI (US)
25th March 2026
54AQI (US)
26th March 2026
42AQI (US)
27th March 2026
53AQI (US)
28th March 2026
69AQI (US)
29th March 2026
72AQI (US)
30th March 2026
45AQI (US)
31st March 2026
14AQI (US)
1st April 2026
17AQI (US)
2nd April 2026
53AQI (US)
3rd April 2026
51AQI (US)
4th April 2026
41AQI (US)
5th April 2026
40AQI (US)
6th April 2026
33AQI (US)
7th April 2026
26AQI (US)
8th April 2026
26AQI (US)
9th April 2026
32AQI (US)
10th April 2026
44AQI (US)
11th April 2026
33AQI (US)
12th April 2026
34AQI (US)
13th April 2026
36AQI (US)
14th April 2026
39AQI (US)
15th April 2026
32AQI (US)
16th April 2026
35AQI (US)
17th April 2026
34AQI (US)
18th April 2026
27AQI (US)
19th April 2026
30AQI (US)
20th April 2026
32AQI (US)
21st April 2026
44AQI (US)
22nd April 2026
37AQI (US)
23rd April 2026
15AQI (US)
24th April 2026
35AQI (US)
25th April 2026
45AQI (US)
26th April 2026
48AQI (US)
27th April 2026
52AQI (US)
28th April 2026
43AQI (US)
29th April 2026
40AQI (US)
30th April 2026
32AQI (US)
1st May 2026
48AQI (US)
2nd May 2026
40AQI (US)
3rd May 2026
36AQI (US)
4th May 2026
29AQI (US)
5th May 2026
29AQI (US)
6th May 2026
28AQI (US)
7th May 2026
30AQI (US)
8th May 2026
26AQI (US)
9th May 2026
26AQI (US)
10th May 2026
24AQI (US)
11th May 2026
31AQI (US)
12th May 2026
26AQI (US)
13th May 2026
36AQI (US)
14th May 2026
30AQI (US)
15th May 2026
34AQI (US)
16th May 2026
76AQI (US)
17th May 2026
62AQI (US)
18th May 2026
53AQI (US)
19th May 2026
45AQI (US)
20th May 2026
61AQI (US)
21st May 2026
66AQI (US)
22nd May 2026
69AQI (US)
23rd May 2026
61AQI (US)
24th May 2026
63AQI (US)
25th May 2026
54AQI (US)
26th May 2026
41AQI (US)
27th May 2026
24AQI (US)
28th May 2026
25AQI (US)
29th May 2026
32AQI (US)
30th May 2026
23AQI (US)
31st May 2026
26AQI (US)
1st June 2026
27AQI (US)
2nd June 2026
23AQI (US)
3rd June 2026
25AQI (US)
4th June 2026
25AQI (US)
5th June 2026
22AQI (US)
6th June 2026
23AQI (US)
7th June 2026
20AQI (US)
8th June 2026
21AQI (US)
9th June 2026
23AQI (US)
10th June 2026
22AQI (US)
11th June 2026
24AQI (US)
12th June 2026
25AQI (US)
13th June 2026
26AQI (US)
14th June 2026
23AQI (US)
15th June 2026
23AQI (US)
16th June 2026
24AQI (US)
17th June 2026
22AQI (US)
18th June 2026
26AQI (US)
19th June 2026
39AQI (US)
20th June 2026
18AQI (US)
21st June 2026
19AQI (US)
22nd June 2026
19AQI (US)
23rd June 2026
21AQI (US)
24th June 2026
20AQI (US)
25th June 2026
26AQI (US)
26th June 2026
30AQI (US)
27th June 2026
26AQI (US)
28th June 2026
26AQI (US)
29th June 2026
24AQI (US)
30th June 2026
37AQI (US)
1st July 2026
42AQI (US)
2nd July 2026
23AQI (US)
3rd July 2026
26AQI (US)
4th July 2026
24AQI (US)
5th July 2026
22AQI (US)
6th July 2026
20AQI (US)
7th July 2026
25AQI (US)
8th July 2026
25AQI (US)
9th July 2026
22AQI (US)
10th July 2026
25AQI (US)
11th July 2026
26AQI (US)
12th July 2026
30AQI (US)
13th July 2026
51AQI (US)
14th July 2026
29AQI (US)
15th July 2026
25AQI (US)
16th July 2026
27AQI (US)
17th July 2026
36AQI (US)
18th July 2026
66AQI (US)
19th July 2026
79AQI (US)
20th July 2026
69AQI (US)
21st July 2026
55AQI (US)
22nd July 2026
45AQI (US)
23rd July 2026
29AQI (US)
24th July 2026
26AQI (US)
25th July 2026
25AQI (US)
26th July 2026
24AQI (US)
27th July 2026
25AQI (US)
28th July 2026
24AQI (US)
29th July 2026
24AQI (US)
30th July 2026
25AQI (US)
31st July 2026
25AQI (US)
1st August 2026
34AQI (US)
2nd August 2026
52AQI (US)
3rd August 2026
60AQI (US)
4th August 2026
46AQI (US)
5th August 2026
34AQI (US)
6th August 2026
39AQI (US)
7th August 2026
28AQI (US)
8th August 2026
26AQI (US)
9th August 2026
24AQI (US)
10th August 2026
33AQI (US)
11th August 2026
24AQI (US)
12th August 2026
24AQI (US)
13th August 2026
24AQI (US)
14th August 2026
62AQI (US)
15th August 2026
30AQI (US)
16th August 2026
22AQI (US)
17th August 2026
21AQI (US)
18th August 2026
23AQI (US)
19th August 2026
22AQI (US)
20th August 2026
23AQI (US)
21st August 2026
21AQI (US)
22nd August 2026
20AQI (US)
23rd August 2026
23AQI (US)
24th August 2026
23AQI (US)
25th August 2026
24AQI (US)
26th August 2026
23AQI (US)
27th August 2026
24AQI (US)
28th August 2026
33AQI (US)
29th August 2026
26AQI (US)
30th August 2026
26AQI (US)
31st August 2026
38AQI (US)
1st September 2026
10AQI (US)
2nd September 2026
12AQI (US)
3rd September 2026
21AQI (US)
4th September 2026
18AQI (US)
5th September 2026
22AQI (US)
6th September 2026
26AQI (US)
7th September 2026
24AQI (US)
8th September 2026
26AQI (US)
9th September 2026
25AQI (US)
10th September 2026
23AQI (US)
11th September 2026
22AQI (US)
12th September 2026
22AQI (US)
13th September 2026
32AQI (US)
14th September 2026
24AQI (US)
15th September 2026
23AQI (US)
16th September 2026
22AQI (US)
17th September 2026
25AQI (US)
18th September 2026
22AQI (US)
19th September 2026
23AQI (US)
20th September 2026
24AQI (US)
21st September 2026
23AQI (US)
22nd September 2026
31AQI (US)
23rd September 2026
25AQI (US)
24th September 2026
26AQI (US)
25th September 2026
28AQI (US)
26th September 2026
30AQI (US)
27th September 2026
20AQI (US)
28th September 2026
26AQI (US)
29th September 2026
23AQI (US)
30th September 2026
24AQI (US)
1st October 2026
26AQI (US)
2nd October 2026
28AQI (US)
3rd October 2026
25AQI (US)
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)

38AQI (US)

45AQI (US)

36AQI (US)

40AQI (US)

24AQI (US)

33AQI (US)

30AQI (US)

23AQI (US)

26AQI (US)

No. of days

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

202634AQI (US)

27
4
22
6
21
10
27
3
22
9
30
26
5
28
3
30
3
236
40

Highest AQI (US) recorded in

March

45AQI (US)

Lowest AQI (US) recorded in

September

23AQI (US)

202542AQI (US)

28
3
27
1
22
9
25
5
24
7
23
7
18
13
29
2
30
18
13
13
17
20
11
277
88

Highest AQI (US) recorded in

November

51AQI (US)

Lowest AQI (US) recorded in

September

28AQI (US)

202435AQI (US)

30
27
2
25
6
23
6
1
23
8
24
6
30
1
30
1
27
3
31
28
2
31
329
35
1

Highest AQI (US) recorded in

April

46AQI (US)

Lowest AQI (US) recorded in

July

25AQI (US)

202338AQI (US)

26
4
28
22
9
17
13
25
6
24
6
11
3
31
27
3
29
2
24
5
27
4
291
55

Highest AQI (US) recorded in

April

49AQI (US)

Lowest AQI (US) recorded in

August

29AQI (US)

202239AQI (US)

24
6
18
3
22
9
25
5
20
11
20
10
15
6
1
26
2
27
4
28
2
30
1
256
59

Highest AQI (US) recorded in

May

48AQI (US)

Lowest AQI (US) recorded in

December

30AQI (US)

202142AQI (US)

25
5
21
7
25
4
15
6
19
12
11
19
23
8
25
6
25
5
23
8
20
10
26
5
258
95

Highest AQI (US) recorded in

June

54AQI (US)

Lowest AQI (US) recorded in

January

34AQI (US)

202036AQI (US)

12
1
18
3
13
5
23
7
28
3
10
4
4
1
18
1
28
3
28
2
26
5
204
34
4
1

Highest AQI (US) recorded in

August

63AQI (US)

Lowest AQI (US) recorded in

December

28AQI (US)

Most & Least Polluted Years Over the Last 7 Years

Most Polluted Year Recorded
2025(Avg.)
42AQI (US)
Least Polluted Year Recorded
2026(Avg.)
34AQI (US)

Hagi's annual 2026 AQI (US) (34) shows an average percentage change of -11.6% (improved AQI (US)) compared to previous years: 2020 (36), 2021 (42), 2022 (39), 2023 (38), 2024 (35), 2025 (42).