Country Background
HistoryAQIPM₂.₅PM₁₀COSO₂NO₂O₃

Izumo, Shimane, 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

Izumo, Shimane, Japan

2022
2023
2024
2025
2026
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
17th Oct 2022
60AQI
Lowest AQI recorded on
6th Oct 2022
20AQI

Same Day Analysis (3rd October):
On this day, AQI across the 5 years varied significantly: 2026 ranks the most lowest AQI at 25 of Good air quality, showing improvement over 2025, 2024, 2023 and 2022 on the same day.

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

Izumo, Shimane, Japan

AQI
Day
Night
.

5 AM2nd Oct 2026

6 PM

4 AM3rd Oct 2026

Day time
Avg. Highest Time
6AM2nd Oct

27AQI

Avg. Lowest Time
1PM2nd Oct

21AQI

Night time
Avg. Highest Time
5AM2nd Oct

27AQI

Avg. Lowest Time
11PM2nd Oct

21AQI

In the last 24 hours,

Izumo's AQI reached its highest point of 27 at 5 AM during the Night, while the lowest point, 21, was recorded at 11 PM during the Night between 2nd Oct and 3rd Oct 2026.

Day & Night AQI Trend : Sep - Oct 2026

Izumo, Shimane, 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 2026215 AMAQI
4th Sep 2026166 AMAQI
4th Sep 2026167 AMAQI
4th Sep 2026218 AMAQI
4th Sep 2026169 AMAQI
4th Sep 20262110 AMAQI
4th Sep 20262111 AMAQI
4th Sep 20262112 PMAQI
4th Sep 2026231 PMAQI
4th Sep 2026212 PMAQI
4th Sep 2026253 PMAQI
4th Sep 2026234 PMAQI
4th Sep 2026235 PMAQI
4th Sep 2026236 PMAQI
4th Sep 2026237 PMAQI
4th Sep 2026218 PMAQI
4th Sep 2026259 PMAQI
4th Sep 20262110 PMAQI
4th Sep 20262111 PMAQI
5th Sep 20262112 AMAQI
5th Sep 2026231 AMAQI
5th Sep 2026212 AMAQI
5th Sep 2026213 AMAQI
5th Sep 2026214 AMAQI

21°C21/22°C

5th Sep 2026255 AMAQI
5th Sep 2026216 AMAQI
5th Sep 2026217 AMAQI
5th Sep 2026258 AMAQI
5th Sep 2026259 AMAQI
5th Sep 20262510 AMAQI
5th Sep 20262511 AMAQI
5th Sep 20262512 PMAQI
5th Sep 2026231 PMAQI
5th Sep 2026232 PMAQI
5th Sep 2026253 PMAQI
5th Sep 2026254 PMAQI
5th Sep 2026255 PMAQI
5th Sep 2026236 PMAQI
5th Sep 2026257 PMAQI
5th Sep 2026248 PMAQI
5th Sep 2026249 PMAQI
5th Sep 20262110 PMAQI
5th Sep 20262211 PMAQI
6th Sep 20262112 AMAQI
6th Sep 2026221 AMAQI
6th Sep 2026232 AMAQI
6th Sep 2026213 AMAQI
6th Sep 2026214 AMAQI

22°C20/26°C

6th Sep 2026225 AMAQI
6th Sep 2026226 AMAQI
6th Sep 2026247 AMAQI
6th Sep 2026248 AMAQI
6th Sep 2026289 AMAQI
6th Sep 20263210 AMAQI
6th Sep 20263411 AMAQI
6th Sep 20263612 PMAQI
6th Sep 2026341 PMAQI
6th Sep 2026362 PMAQI
6th Sep 2026373 PMAQI
6th Sep 2026364 PMAQI
6th Sep 2026365 PMAQI
6th Sep 2026346 PMAQI
6th Sep 2026347 PMAQI
6th Sep 2026348 PMAQI
6th Sep 2026319 PMAQI
6th Sep 20263210 PMAQI
6th Sep 20262911 PMAQI
7th Sep 20263012 AMAQI
7th Sep 2026271 AMAQI
7th Sep 2026282 AMAQI
7th Sep 2026273 AMAQI
7th Sep 2026264 AMAQI

22°C19/25°C

7th Sep 2026255 AMAQI
7th Sep 2026236 AMAQI
7th Sep 2026237 AMAQI
7th Sep 2026228 AMAQI
7th Sep 2026249 AMAQI
7th Sep 20262810 AMAQI
7th Sep 20262111 AMAQI
7th Sep 20263512 PMAQI
7th Sep 2026361 PMAQI
7th Sep 2026272 PMAQI
7th Sep 2026243 PMAQI
7th Sep 2026214 PMAQI
7th Sep 2026215 PMAQI
7th Sep 2026216 PMAQI
7th Sep 2026247 PMAQI
7th Sep 2026258 PMAQI
7th Sep 2026239 PMAQI
7th Sep 20262510 PMAQI
7th Sep 20262511 PMAQI
8th Sep 20263112 AMAQI
8th Sep 2026211 AMAQI
8th Sep 2026252 AMAQI
8th Sep 2026233 AMAQI
8th Sep 2026234 AMAQI

23°C21/27°C

8th Sep 2026295 AMAQI
8th Sep 2026256 AMAQI
8th Sep 2026277 AMAQI
8th Sep 2026258 AMAQI
8th Sep 2026259 AMAQI
8th Sep 20262510 AMAQI
8th Sep 20262511 AMAQI
8th Sep 20262512 PMAQI
8th Sep 2026251 PMAQI
8th Sep 2026252 PMAQI
8th Sep 2026243 PMAQI
8th Sep 2026254 PMAQI
8th Sep 2026245 PMAQI
8th Sep 2026236 PMAQI
8th Sep 2026267 PMAQI
8th Sep 2026278 PMAQI
8th Sep 2026239 PMAQI
8th Sep 20262210 PMAQI
8th Sep 20262111 PMAQI
9th Sep 20262112 AMAQI
9th Sep 2026211 AMAQI
9th Sep 2026212 AMAQI
9th Sep 2026223 AMAQI
9th Sep 2026194 AMAQI

23°C20/28°C

9th Sep 2026255 AMAQI
9th Sep 2026206 AMAQI
9th Sep 2026277 AMAQI
9th Sep 2026348 AMAQI
9th Sep 2026279 AMAQI
9th Sep 20262410 AMAQI
9th Sep 20262111 AMAQI
9th Sep 20262412 PMAQI
9th Sep 2026221 PMAQI
9th Sep 2026252 PMAQI
9th Sep 2026213 PMAQI
9th Sep 2026244 PMAQI
9th Sep 2026255 PMAQI
9th Sep 2026276 PMAQI
9th Sep 2026267 PMAQI
9th Sep 2026228 PMAQI
9th Sep 2026249 PMAQI
9th Sep 20263010 PMAQI
9th Sep 20262311 PMAQI
10th Sep 20262112 AMAQI
10th Sep 2026251 AMAQI
10th Sep 2026252 AMAQI
10th Sep 2026253 AMAQI
10th Sep 2026244 AMAQI

20°C19/22°C

10th Sep 2026235 AMAQI
10th Sep 2026236 AMAQI
10th Sep 2026257 AMAQI
10th Sep 2026248 AMAQI
10th Sep 2026239 AMAQI
10th Sep 20262510 AMAQI
10th Sep 20263011 AMAQI
10th Sep 20262912 PMAQI
10th Sep 2026281 PMAQI
10th Sep 2026282 PMAQI
10th Sep 2026253 PMAQI
10th Sep 2026254 PMAQI
10th Sep 2026295 PMAQI
10th Sep 2026256 PMAQI
10th Sep 2026257 PMAQI
10th Sep 2026238 PMAQI
10th Sep 2026409 PMAQI
10th Sep 20262510 PMAQI
10th Sep 20262411 PMAQI
11th Sep 20262512 AMAQI
11th Sep 2026251 AMAQI
11th Sep 2026282 AMAQI
11th Sep 2026253 AMAQI
11th Sep 2026274 AMAQI

20°C18/23°C

11th Sep 2026255 AMAQI
11th Sep 2026256 AMAQI
11th Sep 2026297 AMAQI
11th Sep 2026338 AMAQI
11th Sep 2026309 AMAQI
11th Sep 20263010 AMAQI
11th Sep 20262411 AMAQI
11th Sep 20263012 PMAQI
11th Sep 2026241 PMAQI
11th Sep 2026252 PMAQI
11th Sep 2026233 PMAQI
11th Sep 2026314 PMAQI
11th Sep 2026275 PMAQI
11th Sep 2026296 PMAQI
11th Sep 2026327 PMAQI
11th Sep 2026238 PMAQI
11th Sep 2026389 PMAQI
11th Sep 20262710 PMAQI
11th Sep 20262311 PMAQI
12th Sep 20262312 AMAQI
12th Sep 2026241 AMAQI
12th Sep 2026242 AMAQI
12th Sep 2026223 AMAQI
12th Sep 2026234 AMAQI

20°C18/24°C

12th Sep 2026215 AMAQI
12th Sep 2026236 AMAQI
12th Sep 2026227 AMAQI
12th Sep 2026258 AMAQI
12th Sep 2026299 AMAQI
12th Sep 20262110 AMAQI
12th Sep 20262511 AMAQI
12th Sep 20262712 PMAQI
12th Sep 2026341 PMAQI
12th Sep 2026362 PMAQI
12th Sep 2026263 PMAQI
12th Sep 2026384 PMAQI
12th Sep 2026335 PMAQI
12th Sep 2026256 PMAQI
12th Sep 2026237 PMAQI
12th Sep 2026318 PMAQI
12th Sep 2026219 PMAQI
12th Sep 20263110 PMAQI
12th Sep 20262411 PMAQI
13th Sep 20262712 AMAQI
13th Sep 2026231 AMAQI
13th Sep 2026262 AMAQI
13th Sep 2026233 AMAQI
13th Sep 2026274 AMAQI

22°C19/28°C

13th Sep 2026256 AMAQI
13th Sep 2026257 AMAQI
13th Sep 2026258 AMAQI
13th Sep 2026259 AMAQI
13th Sep 20263210 AMAQI
13th Sep 20262211 AMAQI
13th Sep 20262212 PMAQI
13th Sep 2026231 PMAQI
13th Sep 2026252 PMAQI
13th Sep 2026233 PMAQI
13th Sep 2026214 PMAQI
13th Sep 2026225 PMAQI
13th Sep 2026246 PMAQI
13th Sep 2026237 PMAQI
13th Sep 2026258 PMAQI
13th Sep 2026259 PMAQI
13th Sep 20262310 PMAQI
13th Sep 20262211 PMAQI
14th Sep 20262412 AMAQI
14th Sep 2026231 AMAQI
14th Sep 2026232 AMAQI
14th Sep 2026233 AMAQI
14th Sep 2026224 AMAQI

24°C21/28°C

14th Sep 2026235 AMAQI
14th Sep 2026246 AMAQI
14th Sep 2026227 AMAQI
14th Sep 2026218 AMAQI
14th Sep 2026239 AMAQI
14th Sep 20262110 AMAQI
14th Sep 20263011 AMAQI
14th Sep 20262312 PMAQI
14th Sep 2026291 PMAQI
14th Sep 2026212 PMAQI
14th Sep 2026253 PMAQI
14th Sep 2026294 PMAQI
14th Sep 2026255 PMAQI
14th Sep 2026256 PMAQI
14th Sep 2026237 PMAQI
14th Sep 2026218 PMAQI
14th Sep 2026219 PMAQI
14th Sep 20262510 PMAQI
14th Sep 20262911 PMAQI
15th Sep 20262112 AMAQI
15th Sep 2026251 AMAQI
15th Sep 2026252 AMAQI
15th Sep 2026253 AMAQI
15th Sep 2026234 AMAQI

21°C19/24°C

15th Sep 2026255 AMAQI
15th Sep 2026216 AMAQI
15th Sep 2026217 AMAQI
15th Sep 2026258 AMAQI
15th Sep 2026259 AMAQI
15th Sep 20262310 AMAQI
15th Sep 20262511 AMAQI
15th Sep 20262512 PMAQI
15th Sep 2026291 PMAQI
15th Sep 2026292 PMAQI
15th Sep 2026253 PMAQI
15th Sep 2026214 PMAQI
15th Sep 2026255 PMAQI
15th Sep 2026306 PMAQI
15th Sep 2026257 PMAQI
15th Sep 2026238 PMAQI
15th Sep 2026219 PMAQI
15th Sep 20262510 PMAQI
15th Sep 20262911 PMAQI
16th Sep 20262512 AMAQI
16th Sep 2026251 AMAQI
16th Sep 2026212 AMAQI
16th Sep 2026253 AMAQI
16th Sep 2026234 AMAQI

20°C19/22°C

16th Sep 2026215 AMAQI
16th Sep 2026256 AMAQI
16th Sep 2026247 AMAQI
16th Sep 2026238 AMAQI
16th Sep 2026239 AMAQI
16th Sep 20262410 AMAQI
16th Sep 20262611 AMAQI
16th Sep 20262112 PMAQI
16th Sep 2026211 PMAQI
16th Sep 2026212 PMAQI
16th Sep 2026233 PMAQI
16th Sep 2026234 PMAQI
16th Sep 2026235 PMAQI
16th Sep 2026216 PMAQI
16th Sep 2026237 PMAQI
16th Sep 2026258 PMAQI
16th Sep 2026239 PMAQI
16th Sep 20262510 PMAQI
16th Sep 20262511 PMAQI
17th Sep 20262112 AMAQI
17th Sep 2026211 AMAQI
17th Sep 2026292 AMAQI
17th Sep 2026253 AMAQI
17th Sep 2026254 AMAQI

20°C18/22°C

17th Sep 2026255 AMAQI
17th Sep 2026296 AMAQI
17th Sep 2026257 AMAQI
17th Sep 2026298 AMAQI
17th Sep 2026259 AMAQI
17th Sep 20262910 AMAQI
17th Sep 20262511 AMAQI
17th Sep 20262512 PMAQI
17th Sep 2026381 PMAQI
17th Sep 2026382 PMAQI
17th Sep 2026383 PMAQI
17th Sep 2026334 PMAQI
17th Sep 2026255 PMAQI
17th Sep 2026336 PMAQI
17th Sep 2026257 PMAQI
17th Sep 2026258 PMAQI
17th Sep 2026299 PMAQI
17th Sep 20262710 PMAQI
17th Sep 20262411 PMAQI
18th Sep 20262112 AMAQI
18th Sep 2026231 AMAQI
18th Sep 2026252 AMAQI
18th Sep 2026293 AMAQI
18th Sep 2026294 AMAQI

20°C16/25°C

18th Sep 2026215 AMAQI
18th Sep 2026256 AMAQI
18th Sep 2026297 AMAQI
18th Sep 2026298 AMAQI
18th Sep 2026259 AMAQI
18th Sep 20263010 AMAQI
18th Sep 20263311 AMAQI
18th Sep 20262312 PMAQI
18th Sep 2026301 PMAQI
18th Sep 2026222 PMAQI
18th Sep 2026233 PMAQI
18th Sep 2026234 PMAQI
18th Sep 2026215 PMAQI
18th Sep 2026216 PMAQI
18th Sep 2026217 PMAQI
18th Sep 2026218 PMAQI
18th Sep 2026219 PMAQI
18th Sep 20262110 PMAQI
18th Sep 20262111 PMAQI
19th Sep 20262112 AMAQI
19th Sep 2026221 AMAQI
19th Sep 2026252 AMAQI
19th Sep 2026233 AMAQI
19th Sep 2026254 AMAQI

19°C18/21°C

19th Sep 2026235 AMAQI
19th Sep 2026256 AMAQI
19th Sep 2026237 AMAQI
19th Sep 2026258 AMAQI
19th Sep 2026259 AMAQI
19th Sep 20262310 AMAQI
19th Sep 20262711 AMAQI
19th Sep 20262512 PMAQI
19th Sep 2026251 PMAQI
19th Sep 2026292 PMAQI
19th Sep 2026253 PMAQI
19th Sep 2026294 PMAQI
19th Sep 2026295 PMAQI
19th Sep 2026336 PMAQI
19th Sep 2026317 PMAQI
19th Sep 2026258 PMAQI
19th Sep 2026219 PMAQI
19th Sep 20262310 PMAQI
19th Sep 20262511 PMAQI
20th Sep 20263612 AMAQI
20th Sep 2026251 AMAQI
20th Sep 2026252 AMAQI
20th Sep 2026333 AMAQI
20th Sep 2026324 AMAQI

20°C18/20°C

20th Sep 2026315 AMAQI
20th Sep 2026256 AMAQI
20th Sep 2026257 AMAQI
20th Sep 2026258 AMAQI
20th Sep 2026259 AMAQI
20th Sep 20262510 AMAQI
20th Sep 20262511 AMAQI
20th Sep 20262512 PMAQI
20th Sep 2026231 PMAQI
20th Sep 2026252 PMAQI
20th Sep 2026253 PMAQI
20th Sep 2026254 PMAQI
20th Sep 2026255 PMAQI
20th Sep 2026296 PMAQI
20th Sep 2026237 PMAQI
20th Sep 2026258 PMAQI
20th Sep 2026259 PMAQI
20th Sep 20262510 PMAQI
20th Sep 20263311 PMAQI
21st Sep 20262512 AMAQI
21st Sep 2026251 AMAQI
21st Sep 2026252 AMAQI
21st Sep 2026273 AMAQI
21st Sep 2026254 AMAQI

21°C19/23°C

21st Sep 2026255 AMAQI
21st Sep 2026256 AMAQI
21st Sep 2026257 AMAQI
21st Sep 2026238 AMAQI
21st Sep 2026279 AMAQI
21st Sep 20262310 AMAQI
21st Sep 20262411 AMAQI
21st Sep 20262912 PMAQI
21st Sep 2026231 PMAQI
21st Sep 2026212 PMAQI
21st Sep 2026253 PMAQI
21st Sep 2026244 PMAQI
21st Sep 2026255 PMAQI
21st Sep 2026266 PMAQI
21st Sep 2026237 PMAQI
21st Sep 2026238 PMAQI
21st Sep 2026259 PMAQI
21st Sep 20262710 PMAQI
21st Sep 20262711 PMAQI
22nd Sep 20262812 AMAQI
22nd Sep 2026271 AMAQI
22nd Sep 2026442 AMAQI
22nd Sep 2026603 AMAQI
22nd Sep 2026564 AMAQI

20°C18/22°C

22nd Sep 2026555 AMAQI
22nd Sep 2026406 AMAQI
22nd Sep 2026267 AMAQI
22nd Sep 2026268 AMAQI
22nd Sep 2026259 AMAQI
22nd Sep 20262910 AMAQI
22nd Sep 20262611 AMAQI
22nd Sep 20262712 PMAQI
22nd Sep 2026281 PMAQI
22nd Sep 2026272 PMAQI
22nd Sep 2026293 PMAQI
22nd Sep 2026264 PMAQI
22nd Sep 2026285 PMAQI
22nd Sep 2026296 PMAQI
22nd Sep 2026267 PMAQI
22nd Sep 2026268 PMAQI
22nd Sep 2026469 PMAQI
22nd Sep 20264810 PMAQI
22nd Sep 20262211 PMAQI
23rd Sep 20262212 AMAQI
23rd Sep 2026241 AMAQI
23rd Sep 2026232 AMAQI
23rd Sep 2026223 AMAQI
23rd Sep 2026214 AMAQI

19°C16/24°C

23rd Sep 2026225 AMAQI
23rd Sep 2026216 AMAQI
23rd Sep 2026257 AMAQI
23rd Sep 2026258 AMAQI
23rd Sep 2026259 AMAQI
23rd Sep 20262510 AMAQI
23rd Sep 20262511 AMAQI
23rd Sep 20262512 PMAQI
23rd Sep 2026211 PMAQI
23rd Sep 2026272 PMAQI
23rd Sep 2026283 PMAQI
23rd Sep 2026344 PMAQI
23rd Sep 2026365 PMAQI
23rd Sep 2026336 PMAQI
23rd Sep 2026367 PMAQI
23rd Sep 2026458 PMAQI
23rd Sep 2026329 PMAQI
23rd Sep 20262110 PMAQI
23rd Sep 20264611 PMAQI
24th Sep 20264212 AMAQI
24th Sep 2026271 AMAQI
24th Sep 2026422 AMAQI
24th Sep 2026383 AMAQI
24th Sep 2026244 AMAQI

19°C15/26°C

24th Sep 2026295 AMAQI
24th Sep 2026336 AMAQI
24th Sep 2026337 AMAQI
24th Sep 2026278 AMAQI
24th Sep 2026279 AMAQI
24th Sep 20263010 AMAQI
24th Sep 20262211 AMAQI
24th Sep 20262712 PMAQI
24th Sep 2026291 PMAQI
24th Sep 2026292 PMAQI
24th Sep 2026213 PMAQI
24th Sep 2026294 PMAQI
24th Sep 2026295 PMAQI
24th Sep 2026276 PMAQI
24th Sep 2026297 PMAQI
24th Sep 2026298 PMAQI
24th Sep 2026229 PMAQI
24th Sep 20263110 PMAQI
24th Sep 20262711 PMAQI
25th Sep 20263312 AMAQI
25th Sep 2026291 AMAQI
25th Sep 2026342 AMAQI
25th Sep 2026383 AMAQI
25th Sep 2026324 AMAQI

20°C16/25°C

25th Sep 2026335 AMAQI
25th Sep 2026336 AMAQI
25th Sep 2026317 AMAQI
25th Sep 2026338 AMAQI
25th Sep 2026339 AMAQI
25th Sep 20263110 AMAQI
25th Sep 20263211 AMAQI
25th Sep 20262712 PMAQI
25th Sep 2026231 PMAQI
25th Sep 2026252 PMAQI
25th Sep 2026273 PMAQI
25th Sep 2026234 PMAQI
25th Sep 2026255 PMAQI
25th Sep 2026256 PMAQI
25th Sep 2026297 PMAQI
25th Sep 2026348 PMAQI
25th Sep 2026259 PMAQI
25th Sep 20262510 PMAQI
25th Sep 20262711 PMAQI
26th Sep 20263112 AMAQI
26th Sep 2026321 AMAQI
26th Sep 2026252 AMAQI
26th Sep 2026273 AMAQI
26th Sep 2026254 AMAQI

20°C17/25°C

26th Sep 2026315 AMAQI
26th Sep 2026296 AMAQI
26th Sep 2026277 AMAQI
26th Sep 2026238 AMAQI
26th Sep 2026229 AMAQI
26th Sep 20262310 AMAQI
26th Sep 20262311 AMAQI
26th Sep 20263012 PMAQI
26th Sep 2026361 PMAQI
26th Sep 2026312 PMAQI
26th Sep 2026273 PMAQI
26th Sep 2026234 PMAQI
26th Sep 2026255 PMAQI
26th Sep 2026236 PMAQI
26th Sep 2026227 PMAQI
26th Sep 2026218 PMAQI
26th Sep 2026239 PMAQI
26th Sep 20262310 PMAQI
26th Sep 20262311 PMAQI
27th Sep 20262312 AMAQI
27th Sep 2026241 AMAQI
27th Sep 2026222 AMAQI
27th Sep 2026213 AMAQI
27th Sep 2026214 AMAQI

19°C17/22°C

27th Sep 2026245 AMAQI
27th Sep 2026246 AMAQI
27th Sep 2026247 AMAQI
27th Sep 2026238 AMAQI
27th Sep 2026239 AMAQI
27th Sep 20262410 AMAQI
27th Sep 20262511 AMAQI
27th Sep 20262712 PMAQI
27th Sep 2026231 PMAQI
27th Sep 2026232 PMAQI
27th Sep 2026293 PMAQI
27th Sep 2026274 PMAQI
27th Sep 2026255 PMAQI
27th Sep 2026246 PMAQI
27th Sep 2026237 PMAQI
27th Sep 2026268 PMAQI
27th Sep 2026249 PMAQI
27th Sep 20262510 PMAQI
27th Sep 20262311 PMAQI
28th Sep 20262112 AMAQI
28th Sep 2026231 AMAQI
28th Sep 2026252 AMAQI
28th Sep 2026263 AMAQI
28th Sep 2026294 AMAQI

20°C18/24°C

28th Sep 2026275 AMAQI
28th Sep 2026276 AMAQI
28th Sep 2026217 AMAQI
28th Sep 2026258 AMAQI
28th Sep 2026259 AMAQI
28th Sep 20262910 AMAQI
28th Sep 20262511 AMAQI
28th Sep 20262912 PMAQI
28th Sep 2026251 PMAQI
28th Sep 2026272 PMAQI
28th Sep 2026293 PMAQI
28th Sep 2026254 PMAQI
28th Sep 2026245 PMAQI
28th Sep 2026246 PMAQI
28th Sep 2026257 PMAQI
28th Sep 2026258 PMAQI
28th Sep 2026259 PMAQI
28th Sep 20262210 PMAQI
28th Sep 20262211 PMAQI
29th Sep 20262212 AMAQI
29th Sep 2026221 AMAQI
29th Sep 2026222 AMAQI
29th Sep 2026253 AMAQI
29th Sep 2026234 AMAQI

21°C20/23°C

29th Sep 2026235 AMAQI
29th Sep 2026236 AMAQI
29th Sep 2026237 AMAQI
29th Sep 2026218 AMAQI
29th Sep 2026279 AMAQI
29th Sep 20262510 AMAQI
29th Sep 20262411 AMAQI
29th Sep 20262512 PMAQI
29th Sep 2026211 PMAQI
29th Sep 2026212 PMAQI
29th Sep 2026223 PMAQI
29th Sep 2026244 PMAQI
29th Sep 2026235 PMAQI
29th Sep 2026226 PMAQI
29th Sep 2026247 PMAQI
29th Sep 2026258 PMAQI
29th Sep 2026259 PMAQI
29th Sep 20262110 PMAQI
29th Sep 20262111 PMAQI
30th Sep 20262512 AMAQI
30th Sep 2026251 AMAQI
30th Sep 2026252 AMAQI
30th Sep 2026233 AMAQI
30th Sep 2026254 AMAQI

18°C16/21°C

30th Sep 2026255 AMAQI
30th Sep 2026256 AMAQI
30th Sep 2026257 AMAQI
30th Sep 2026258 AMAQI
30th Sep 2026239 AMAQI
30th Sep 20262310 AMAQI
30th Sep 20262311 AMAQI
30th Sep 20262512 PMAQI
30th Sep 2026281 PMAQI
30th Sep 2026262 PMAQI
30th Sep 2026263 PMAQI
30th Sep 2026274 PMAQI
30th Sep 2026305 PMAQI
30th Sep 2026316 PMAQI
30th Sep 2026317 PMAQI
30th Sep 2026308 PMAQI
30th Sep 2026289 PMAQI
30th Sep 20262610 PMAQI
30th Sep 20262411 PMAQI
1st Oct 20262812 AMAQI
1st Oct 2026311 AMAQI
1st Oct 2026312 AMAQI
1st Oct 2026313 AMAQI
1st Oct 2026254 AMAQI

19°C15/25°C

1st Oct 2026275 AMAQI
1st Oct 2026256 AMAQI
1st Oct 2026277 AMAQI
1st Oct 2026278 AMAQI
1st Oct 2026259 AMAQI
1st Oct 20262510 AMAQI
1st Oct 20262511 AMAQI
1st Oct 20262512 PMAQI
1st Oct 2026271 PMAQI
1st Oct 2026252 PMAQI
1st Oct 2026253 PMAQI
1st Oct 2026264 PMAQI
1st Oct 2026285 PMAQI
1st Oct 2026286 PMAQI
1st Oct 2026287 PMAQI
1st Oct 2026278 PMAQI
1st Oct 2026289 PMAQI
1st Oct 20262910 PMAQI
1st Oct 20262811 PMAQI
2nd Oct 20262912 AMAQI
2nd Oct 2026291 AMAQI
2nd Oct 2026282 AMAQI
2nd Oct 2026293 AMAQI
2nd Oct 2026294 AMAQI

18°C15/23°C

2nd Oct 2026275 AMAQI
2nd Oct 2026276 AMAQI
2nd Oct 2026257 AMAQI
2nd Oct 2026238 AMAQI
2nd Oct 2026229 AMAQI
2nd Oct 20262210 AMAQI
2nd Oct 20262211 AMAQI
2nd Oct 20262312 PMAQI
2nd Oct 2026211 PMAQI
2nd Oct 2026232 PMAQI
2nd Oct 2026263 PMAQI
2nd Oct 2026274 PMAQI
2nd Oct 2026245 PMAQI
2nd Oct 2026246 PMAQI
2nd Oct 2026217 PMAQI
2nd Oct 2026218 PMAQI
2nd Oct 2026219 PMAQI
2nd Oct 20262210 PMAQI
2nd Oct 20262111 PMAQI
3rd Oct 20262412 AMAQI
3rd Oct 2026241 AMAQI
3rd Oct 2026232 AMAQI
3rd Oct 2026233 AMAQI
3rd Oct 2026254 AMAQI

17°C13/21°C

3rd Oct 2026255 AMAQI
5 AM
3rd Oct 2026236 AMAQI
3rd Oct 2026237 AMAQI
3rd Oct 2026228 AMAQI
3rd Oct 2026269 AMAQI
3rd Oct 20262410 AMAQI
3rd Oct 20262411 AMAQI
11 AM
3rd Oct 20262412 PMAQI
3rd Oct 2026251 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 2026297 PMAQI
3rd Oct 2026278 PMAQI
3rd Oct 2026299 PMAQI
3rd Oct 20262910 PMAQI
3rd Oct 20262711 PMAQI
11 PM
4 AM

16°C12/22°C

Day time
Avg. Highest Time
1 PM

27AQI

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

25AQI

4 hours / Day
120 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 1 PM to 1 PM (Avg. 27), while the lowest AQI was between 6 AM to 9 AM (Avg. 25).
Night time
Avg. Highest Time
3 AM

27AQI

1 hours / Day
30 hours / Month
Avg. Lowest Time
1 AM

25AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 3 AM to 3 AM (Avg. 27), while the lowest AQI was between 1 AM to 1 AM (Avg. 25).

2026 Days Vs Air Quality

Izumo, Shimane, Japan

2026

88%

242

12%

34

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

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

Under WHO’s Safe Air Quality Limits: 88%

Health Risk Level:

Low

In 2026, 88% 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

Izumo, Shimane, 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
14AQI (US)
2nd January 2026
13AQI (US)
3rd January 2026
12AQI (US)
4th January 2026
24AQI (US)
5th January 2026
36AQI (US)
6th January 2026
22AQI (US)
7th January 2026
26AQI (US)
8th January 2026
28AQI (US)
9th January 2026
14AQI (US)
10th January 2026
20AQI (US)
11th January 2026
28AQI (US)
12th January 2026
22AQI (US)
13th January 2026
30AQI (US)
14th January 2026
18AQI (US)
15th January 2026
33AQI (US)
16th January 2026
62AQI (US)
17th January 2026
56AQI (US)
18th January 2026
50AQI (US)
19th January 2026
46AQI (US)
20th January 2026
24AQI (US)
21st January 2026
11AQI (US)
22nd January 2026
18AQI (US)
23rd January 2026
36AQI (US)
24th January 2026
42AQI (US)
25th January 2026
12AQI (US)
26th January 2026
16AQI (US)
27th January 2026
44AQI (US)
28th January 2026
20AQI (US)
29th January 2026
16AQI (US)
30th January 2026
36AQI (US)
31st January 2026
34AQI (US)
1st February 2026
43AQI (US)
2nd February 2026
47AQI (US)
3rd February 2026
32AQI (US)
4th February 2026
36AQI (US)
5th February 2026
44AQI (US)
6th February 2026
50AQI (US)
7th February 2026
13AQI (US)
8th February 2026
10AQI (US)
9th February 2026
36AQI (US)
10th February 2026
36AQI (US)
11th February 2026
46AQI (US)
12th February 2026
56AQI (US)
13th February 2026
46AQI (US)
14th February 2026
36AQI (US)
15th February 2026
38AQI (US)
16th February 2026
40AQI (US)
17th February 2026
12AQI (US)
18th February 2026
30AQI (US)
19th February 2026
36AQI (US)
20th February 2026
42AQI (US)
21st February 2026
48AQI (US)
22nd February 2026
35AQI (US)
23rd February 2026
24AQI (US)
24th February 2026
14AQI (US)
25th February 2026
25AQI (US)
26th February 2026
26AQI (US)
27th February 2026
48AQI (US)
28th February 2026
42AQI (US)
1st March 2026
42AQI (US)
2nd March 2026
70AQI (US)
3rd March 2026
38AQI (US)
4th March 2026
54AQI (US)
5th March 2026
53AQI (US)
6th March 2026
49AQI (US)
7th March 2026
44AQI (US)
8th March 2026
37AQI (US)
9th March 2026
44AQI (US)
10th March 2026
58AQI (US)
11th March 2026
56AQI (US)
12th March 2026
62AQI (US)
13th March 2026
40AQI (US)
14th March 2026
46AQI (US)
15th March 2026
60AQI (US)
16th March 2026
54AQI (US)
17th March 2026
48AQI (US)
18th March 2026
54AQI (US)
19th March 2026
58AQI (US)
20th March 2026
44AQI (US)
21st March 2026
45AQI (US)
22nd March 2026
40AQI (US)
23rd March 2026
49AQI (US)
24th March 2026
73AQI (US)
25th March 2026
54AQI (US)
26th March 2026
20AQI (US)
27th March 2026
38AQI (US)
28th March 2026
70AQI (US)
29th March 2026
75AQI (US)
30th March 2026
60AQI (US)
31st March 2026
15AQI (US)
1st April 2026
22AQI (US)
2nd April 2026
54AQI (US)
3rd April 2026
52AQI (US)
4th April 2026
36AQI (US)
5th April 2026
24AQI (US)
6th April 2026
28AQI (US)
7th April 2026
19AQI (US)
8th April 2026
22AQI (US)
9th April 2026
30AQI (US)
10th April 2026
14AQI (US)
11th April 2026
32AQI (US)
12th April 2026
34AQI (US)
13th April 2026
36AQI (US)
14th April 2026
40AQI (US)
15th April 2026
34AQI (US)
16th April 2026
30AQI (US)
17th April 2026
38AQI (US)
18th April 2026
30AQI (US)
19th April 2026
35AQI (US)
20th April 2026
35AQI (US)
21st April 2026
38AQI (US)
22nd April 2026
26AQI (US)
23rd April 2026
32AQI (US)
24th April 2026
32AQI (US)
25th April 2026
45AQI (US)
26th April 2026
50AQI (US)
27th April 2026
50AQI (US)
28th April 2026
45AQI (US)
29th April 2026
36AQI (US)
30th April 2026
18AQI (US)
1st May 2026
46AQI (US)
2nd May 2026
52AQI (US)
3rd May 2026
39AQI (US)
4th May 2026
28AQI (US)
5th May 2026
20AQI (US)
6th May 2026
30AQI (US)
7th May 2026
33AQI (US)
8th May 2026
26AQI (US)
9th May 2026
24AQI (US)
10th May 2026
26AQI (US)
11th May 2026
33AQI (US)
12th May 2026
35AQI (US)
13th May 2026
42AQI (US)
14th May 2026
35AQI (US)
15th May 2026
32AQI (US)
16th May 2026
77AQI (US)
17th May 2026
63AQI (US)
18th May 2026
54AQI (US)
19th May 2026
45AQI (US)
20th May 2026
60AQI (US)
21st May 2026
66AQI (US)
22nd May 2026
71AQI (US)
23rd May 2026
62AQI (US)
24th May 2026
62AQI (US)
25th May 2026
56AQI (US)
26th May 2026
42AQI (US)
27th May 2026
24AQI (US)
28th May 2026
18AQI (US)
29th May 2026
24AQI (US)
30th May 2026
23AQI (US)
31st May 2026
28AQI (US)
1st June 2026
30AQI (US)
2nd June 2026
27AQI (US)
3rd June 2026
22AQI (US)
4th June 2026
26AQI (US)
5th June 2026
23AQI (US)
6th June 2026
26AQI (US)
7th June 2026
22AQI (US)
8th June 2026
14AQI (US)
9th June 2026
23AQI (US)
10th June 2026
22AQI (US)
11th June 2026
25AQI (US)
12th June 2026
26AQI (US)
13th June 2026
26AQI (US)
14th June 2026
25AQI (US)
15th June 2026
22AQI (US)
16th June 2026
28AQI (US)
17th June 2026
24AQI (US)
18th June 2026
25AQI (US)
19th June 2026
28AQI (US)
20th June 2026
22AQI (US)
21st June 2026
22AQI (US)
22nd June 2026
20AQI (US)
23rd June 2026
20AQI (US)
24th June 2026
21AQI (US)
25th June 2026
25AQI (US)
26th June 2026
27AQI (US)
27th June 2026
27AQI (US)
28th June 2026
28AQI (US)
29th June 2026
26AQI (US)
30th June 2026
24AQI (US)
1st July 2026
32AQI (US)
2nd July 2026
16AQI (US)
3rd July 2026
22AQI (US)
4th July 2026
25AQI (US)
5th July 2026
21AQI (US)
6th July 2026
22AQI (US)
7th July 2026
24AQI (US)
8th July 2026
26AQI (US)
9th July 2026
25AQI (US)
10th July 2026
27AQI (US)
11th July 2026
28AQI (US)
12th July 2026
27AQI (US)
13th July 2026
29AQI (US)
14th July 2026
28AQI (US)
15th July 2026
26AQI (US)
16th July 2026
30AQI (US)
17th July 2026
33AQI (US)
18th July 2026
42AQI (US)
19th July 2026
72AQI (US)
20th July 2026
68AQI (US)
21st July 2026
54AQI (US)
22nd July 2026
44AQI (US)
23rd July 2026
27AQI (US)
24th July 2026
26AQI (US)
25th July 2026
28AQI (US)
26th July 2026
24AQI (US)
27th July 2026
33AQI (US)
28th July 2026
34AQI (US)
29th July 2026
29AQI (US)
30th July 2026
34AQI (US)
31st July 2026
29AQI (US)
1st August 2026
32AQI (US)
2nd August 2026
41AQI (US)
3rd August 2026
43AQI (US)
4th August 2026
38AQI (US)
5th August 2026
28AQI (US)
6th August 2026
24AQI (US)
7th August 2026
23AQI (US)
8th August 2026
26AQI (US)
9th August 2026
24AQI (US)
10th August 2026
23AQI (US)
11th August 2026
26AQI (US)
12th August 2026
22AQI (US)
13th August 2026
24AQI (US)
14th August 2026
42AQI (US)
15th August 2026
60AQI (US)
16th August 2026
33AQI (US)
17th August 2026
11AQI (US)
18th August 2026
24AQI (US)
19th August 2026
24AQI (US)
20th August 2026
24AQI (US)
21st August 2026
29AQI (US)
22nd August 2026
34AQI (US)
23rd August 2026
38AQI (US)
24th August 2026
34AQI (US)
25th August 2026
27AQI (US)
26th August 2026
22AQI (US)
27th August 2026
26AQI (US)
28th August 2026
25AQI (US)
29th August 2026
24AQI (US)
30th August 2026
26AQI (US)
31st August 2026
24AQI (US)
1st September 2026
26AQI (US)
2nd September 2026
24AQI (US)
3rd September 2026
25AQI (US)
4th September 2026
22AQI (US)
5th September 2026
23AQI (US)
6th September 2026
30AQI (US)
7th September 2026
26AQI (US)
8th September 2026
24AQI (US)
9th September 2026
24AQI (US)
10th September 2026
26AQI (US)
11th September 2026
28AQI (US)
12th September 2026
26AQI (US)
13th September 2026
24AQI (US)
14th September 2026
24AQI (US)
15th September 2026
25AQI (US)
16th September 2026
23AQI (US)
17th September 2026
28AQI (US)
18th September 2026
24AQI (US)
19th September 2026
26AQI (US)
20th September 2026
26AQI (US)
21st September 2026
25AQI (US)
22nd September 2026
34AQI (US)
23rd September 2026
28AQI (US)
24th September 2026
29AQI (US)
25th September 2026
30AQI (US)
26th September 2026
26AQI (US)
27th September 2026
24AQI (US)
28th September 2026
25AQI (US)
29th September 2026
23AQI (US)
30th September 2026
26AQI (US)
1st October 2026
27AQI (US)
2nd October 2026
24AQI (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

28AQI (US)

35AQI (US)

50AQI (US)

34AQI (US)

41AQI (US)

24AQI (US)

32AQI (US)

29AQI (US)

26AQI (US)

25AQI (US)

No. of days

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

202633AQI (US)

29
2
27
1
16
15
28
2
21
10
30
28
3
30
1
30
3
242
34

Highest AQI (US) recorded in

March

50AQI (US)

Lowest AQI (US) recorded in

June

24AQI (US)

202541AQI (US)

27
4
26
2
23
8
21
9
23
8
18
12
16
15
29
2
30
29
2
27
3
28
3
297
68

Highest AQI (US) recorded in

June

48AQI (US)

Lowest AQI (US) recorded in

September

29AQI (US)

202435AQI (US)

31
28
1
25
6
20
10
26
5
20
10
31
29
2
28
2
31
27
3
31
327
39

Highest AQI (US) recorded in

April

48AQI (US)

Lowest AQI (US) recorded in

July

27AQI (US)

202338AQI (US)

25
6
28
21
10
20
10
24
7
23
7
28
3
30
1
30
29
2
26
3
28
3
312
52

Highest AQI (US) recorded in

April

49AQI (US)

Lowest AQI (US) recorded in

August

30AQI (US)

202241AQI (US)

30
1
17
2
21
10
22
7
16
15
22
8
20
3
3
25
1
2
1
28
3
27
3
31
262
52
1
2
1

Highest AQI (US) recorded in

September

68AQI (US)

Lowest AQI (US) recorded in

August

27AQI (US)

202136AQI (US)

25
5
21
7
26
3
19
2
26
5
21
9
29
2
26
5
28
2
27
4
26
4
31
305
48

Highest AQI (US) recorded in

June

46AQI (US)

Lowest AQI (US) recorded in

December

31AQI (US)

202035AQI (US)

12
1
20
1
14
4
23
7
30
1
16
13
2
19
27
4
26
4
29
2
216
37
2

Highest AQI (US) recorded in

August

53AQI (US)

Lowest AQI (US) recorded in

September

25AQI (US)

Most & Least Polluted Years Over the Last 7 Years

Most Polluted Year Recorded
2025(Avg.)
41AQI (US)
Least Polluted Year Recorded
2026(Avg.)
33AQI (US)

Izumo's annual 2026 AQI (US) (33) shows an average percentage change of -11.9% (improved AQI (US)) compared to previous years: 2020 (35), 2021 (36), 2022 (41), 2023 (38), 2024 (35), 2025 (41).