Country Background
HistoryAQIPM₂.₅PM₁₀COSO₂NO₂O₃

Oshu, Iwate, Japan Historical Air Quality Analysis

Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!

Good
050
Moderate
100
Poor
150
Unhealthy
200
Severe
300
Hazardous
301+

August Air Quality Analysis

Oshu, Iwate, Japan

2022
2023
2024
2025
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
16th Aug 2023
50AQI
Lowest AQI recorded on
12th Aug 2023
12AQI

Same Day Analysis (31st August):
On this day, AQI across the 4 years varied significantly: 2026 ranks 1st highest AQI at 37 of Good air quality on the same day.

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

Oshu, Iwate, Japan

AQI
Day
Night
.

4 AM31st Jul 2026

6 PM

3 AM1st Aug 2026

Day time
Avg. Highest Time
4AM31st Jul

27AQI

Avg. Lowest Time
5PM31st Jul

23AQI

Night time
Avg. Highest Time
3AM1st Aug

27AQI

Avg. Lowest Time
12AM1st Aug

21AQI

In the last 24 hours,

Oshu's AQI reached its highest point of 27 at 4 AM during the Day, while the lowest point, 21, was recorded at 12 AM during the Night between 31st Jul and 1st Aug 2026.

Day & Night AQI Trend : Jul - Aug 2026

Oshu, Iwate, Japan

JulAug
03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st - 01st01st
Day
Night
3rd Jul 2026224 AMAQI
3rd Jul 2026245 AMAQI
3rd Jul 2026216 AMAQI
3rd Jul 2026257 AMAQI
3rd Jul 2026248 AMAQI
3rd Jul 2026239 AMAQI
3rd Jul 20262210 AMAQI
3rd Jul 20262111 AMAQI
3rd Jul 20262012 PMAQI
3rd Jul 2026221 PMAQI
3rd Jul 2026242 PMAQI
3rd Jul 2026263 PMAQI
3rd Jul 2026264 PMAQI
3rd Jul 2026265 PMAQI
3rd Jul 2026246 PMAQI
3rd Jul 2026247 PMAQI
3rd Jul 2026268 PMAQI
3rd Jul 2026249 PMAQI
3rd Jul 20262410 PMAQI
3rd Jul 20262811 PMAQI
4th Jul 20262712 AMAQI
4th Jul 2026261 AMAQI
4th Jul 2026272 AMAQI
4th Jul 2026273 AMAQI

20°C16/23°C

4th Jul 2026244 AMAQI
4th Jul 2026245 AMAQI
4th Jul 2026266 AMAQI
4th Jul 2026267 AMAQI
4th Jul 2026248 AMAQI
4th Jul 2026229 AMAQI
4th Jul 20262210 AMAQI
4th Jul 20262011 AMAQI
4th Jul 20262212 PMAQI
4th Jul 2026221 PMAQI
4th Jul 2026242 PMAQI
4th Jul 2026253 PMAQI
4th Jul 2026254 PMAQI
4th Jul 2026265 PMAQI
4th Jul 2026246 PMAQI
4th Jul 2026247 PMAQI
4th Jul 2026248 PMAQI
4th Jul 2026229 PMAQI
4th Jul 20262610 PMAQI
4th Jul 20262311 PMAQI
5th Jul 20262412 AMAQI
5th Jul 2026241 AMAQI
5th Jul 2026212 AMAQI
5th Jul 2026253 AMAQI

19°C17/24°C

5th Jul 2026224 AMAQI
5th Jul 2026235 AMAQI
5th Jul 2026226 AMAQI
5th Jul 2026207 AMAQI
5th Jul 2026228 AMAQI
5th Jul 2026189 AMAQI
5th Jul 20261810 AMAQI
5th Jul 20261811 AMAQI
5th Jul 20261912 PMAQI
5th Jul 2026181 PMAQI
5th Jul 2026222 PMAQI
5th Jul 2026263 PMAQI
5th Jul 2026234 PMAQI
5th Jul 2026245 PMAQI
5th Jul 2026236 PMAQI
5th Jul 2026227 PMAQI
5th Jul 2026228 PMAQI
5th Jul 2026239 PMAQI
5th Jul 20262210 PMAQI
5th Jul 20262611 PMAQI
6th Jul 20262612 AMAQI
6th Jul 2026261 AMAQI
6th Jul 2026262 AMAQI
6th Jul 2026263 AMAQI

20°C18/24°C

6th Jul 2026224 AMAQI
6th Jul 2026255 AMAQI
6th Jul 2026246 AMAQI
6th Jul 2026247 AMAQI
6th Jul 2026248 AMAQI
6th Jul 2026209 AMAQI
6th Jul 20263210 AMAQI
6th Jul 20263911 AMAQI
6th Jul 20262012 PMAQI
6th Jul 2026191 PMAQI
6th Jul 2026222 PMAQI
6th Jul 2026233 PMAQI
6th Jul 2026244 PMAQI
6th Jul 2026205 PMAQI
6th Jul 2026196 PMAQI
6th Jul 2026237 PMAQI
6th Jul 2026258 PMAQI
6th Jul 2026269 PMAQI
6th Jul 20262410 PMAQI
6th Jul 20262611 PMAQI
7th Jul 20262812 AMAQI
7th Jul 2026281 AMAQI
7th Jul 2026262 AMAQI
7th Jul 2026183 AMAQI

19°C16/22°C

7th Jul 2026184 AMAQI
7th Jul 2026185 AMAQI
7th Jul 2026276 AMAQI
7th Jul 2026237 AMAQI
7th Jul 2026288 AMAQI
7th Jul 202689 AMAQI
7th Jul 20261410 AMAQI
7th Jul 20262111 AMAQI
7th Jul 20262012 PMAQI
7th Jul 2026201 PMAQI
7th Jul 2026222 PMAQI
7th Jul 2026263 PMAQI
7th Jul 2026244 PMAQI
7th Jul 2026265 PMAQI
7th Jul 2026266 PMAQI
7th Jul 2026267 PMAQI
7th Jul 2026248 PMAQI
7th Jul 2026269 PMAQI
7th Jul 20262510 PMAQI
7th Jul 20262411 PMAQI
8th Jul 20262812 AMAQI
8th Jul 2026291 AMAQI
8th Jul 2026262 AMAQI
8th Jul 2026273 AMAQI

20°C14/27°C

8th Jul 2026264 AMAQI
8th Jul 2026165 AMAQI
8th Jul 2026286 AMAQI
8th Jul 2026277 AMAQI
8th Jul 2026288 AMAQI
8th Jul 2026249 AMAQI
8th Jul 20262410 AMAQI
8th Jul 20262211 AMAQI
8th Jul 20262212 PMAQI
8th Jul 2026221 PMAQI
8th Jul 2026232 PMAQI
8th Jul 2026263 PMAQI
8th Jul 2026264 PMAQI
8th Jul 2026235 PMAQI
8th Jul 2026246 PMAQI
8th Jul 2026187 PMAQI
8th Jul 2026198 PMAQI
8th Jul 2026229 PMAQI
8th Jul 20262010 PMAQI
8th Jul 20261611 PMAQI
9th Jul 20262412 AMAQI
9th Jul 2026191 AMAQI
9th Jul 2026262 AMAQI
9th Jul 2026263 AMAQI

20°C15/25°C

9th Jul 2026244 AMAQI
9th Jul 2026245 AMAQI
9th Jul 2026166 AMAQI
9th Jul 2026277 AMAQI
9th Jul 202688 AMAQI
9th Jul 2026229 AMAQI
9th Jul 20262210 AMAQI
9th Jul 20262211 AMAQI
9th Jul 20262412 PMAQI
9th Jul 2026201 PMAQI
9th Jul 2026222 PMAQI
9th Jul 2026283 PMAQI
9th Jul 2026264 PMAQI
9th Jul 2026285 PMAQI
9th Jul 2026256 PMAQI
9th Jul 2026267 PMAQI
9th Jul 2026248 PMAQI
9th Jul 2026229 PMAQI
9th Jul 20262610 PMAQI
9th Jul 20262811 PMAQI
10th Jul 20262712 AMAQI
10th Jul 2026281 AMAQI
10th Jul 2026262 AMAQI
10th Jul 2026263 AMAQI

22°C16/29°C

10th Jul 2026244 AMAQI
10th Jul 2026285 AMAQI
10th Jul 2026246 AMAQI
10th Jul 2026277 AMAQI
10th Jul 2026268 AMAQI
10th Jul 2026269 AMAQI
10th Jul 20262710 AMAQI
10th Jul 20262811 AMAQI
10th Jul 20262812 PMAQI
10th Jul 2026251 PMAQI
10th Jul 2026242 PMAQI
10th Jul 2026223 PMAQI
10th Jul 2026264 PMAQI
10th Jul 2026295 PMAQI
10th Jul 2026296 PMAQI
10th Jul 2026317 PMAQI
10th Jul 2026288 PMAQI
10th Jul 2026319 PMAQI
10th Jul 20263110 PMAQI
10th Jul 20263211 PMAQI
11th Jul 20263212 AMAQI
11th Jul 2026321 AMAQI
11th Jul 2026302 AMAQI
11th Jul 2026293 AMAQI

24°C18/32°C

11th Jul 2026264 AMAQI
11th Jul 2026305 AMAQI
11th Jul 2026326 AMAQI
11th Jul 2026307 AMAQI
11th Jul 2026328 AMAQI
11th Jul 2026319 AMAQI
11th Jul 20263210 AMAQI
11th Jul 20262811 AMAQI
11th Jul 20262912 PMAQI
11th Jul 2026251 PMAQI
11th Jul 2026242 PMAQI
11th Jul 2026233 PMAQI
11th Jul 2026254 PMAQI
11th Jul 2026285 PMAQI
11th Jul 2026286 PMAQI
11th Jul 2026327 PMAQI
11th Jul 2026288 PMAQI
11th Jul 2026309 PMAQI
11th Jul 20263210 PMAQI
11th Jul 20263111 PMAQI
12th Jul 20263212 AMAQI
12th Jul 2026281 AMAQI
12th Jul 2026302 AMAQI
12th Jul 2026303 AMAQI

23°C19/31°C

12th Jul 2026264 AMAQI
12th Jul 2026285 AMAQI
12th Jul 2026266 AMAQI
12th Jul 2026287 AMAQI
12th Jul 2026188 AMAQI
12th Jul 2026279 AMAQI
12th Jul 2026810 AMAQI
12th Jul 2026811 AMAQI
12th Jul 2026812 PMAQI
12th Jul 202681 PMAQI
12th Jul 2026102 PMAQI
12th Jul 2026123 PMAQI
12th Jul 2026174 PMAQI
12th Jul 2026175 PMAQI
12th Jul 2026256 PMAQI
12th Jul 2026217 PMAQI
12th Jul 2026218 PMAQI
12th Jul 2026259 PMAQI
12th Jul 20263310 PMAQI
12th Jul 20262911 PMAQI
13th Jul 20262112 AMAQI
13th Jul 2026191 AMAQI
13th Jul 2026252 AMAQI
13th Jul 2026163 AMAQI

21°C20/22°C

13th Jul 2026124 AMAQI
13th Jul 2026125 AMAQI
13th Jul 202686 AMAQI
13th Jul 2026107 AMAQI
13th Jul 2026148 AMAQI
13th Jul 2026149 AMAQI
13th Jul 20261010 AMAQI
13th Jul 2026811 AMAQI
13th Jul 20261212 PMAQI
13th Jul 2026161 PMAQI
13th Jul 2026192 PMAQI
13th Jul 2026203 PMAQI
13th Jul 2026224 PMAQI
13th Jul 2026285 PMAQI
13th Jul 2026296 PMAQI
13th Jul 2026297 PMAQI
13th Jul 2026208 PMAQI
13th Jul 2026279 PMAQI
13th Jul 20262010 PMAQI
13th Jul 20261811 PMAQI
14th Jul 20261812 AMAQI
14th Jul 2026301 AMAQI
14th Jul 2026302 AMAQI
14th Jul 2026183 AMAQI

22°C20/26°C

14th Jul 2026254 AMAQI
14th Jul 2026285 AMAQI
14th Jul 2026186 AMAQI
14th Jul 2026187 AMAQI
14th Jul 2026248 AMAQI
14th Jul 2026209 AMAQI
14th Jul 20263010 AMAQI
14th Jul 20262411 AMAQI
14th Jul 20262312 PMAQI
14th Jul 2026201 PMAQI
14th Jul 2026222 PMAQI
14th Jul 2026213 PMAQI
14th Jul 2026244 PMAQI
14th Jul 2026305 PMAQI
14th Jul 2026286 PMAQI
14th Jul 2026307 PMAQI
14th Jul 2026288 PMAQI
14th Jul 2026309 PMAQI
14th Jul 20263110 PMAQI
14th Jul 20263311 PMAQI
15th Jul 20263212 AMAQI
15th Jul 2026321 AMAQI
15th Jul 2026302 AMAQI
15th Jul 2026303 AMAQI

25°C20/30°C

15th Jul 2026264 AMAQI
15th Jul 2026305 AMAQI
15th Jul 2026276 AMAQI
15th Jul 2026297 AMAQI
15th Jul 2026308 AMAQI
15th Jul 2026279 AMAQI
15th Jul 20262910 AMAQI
15th Jul 20262611 AMAQI
15th Jul 20262412 PMAQI
15th Jul 2026201 PMAQI
15th Jul 2026202 PMAQI
15th Jul 2026203 PMAQI
15th Jul 2026214 PMAQI
15th Jul 2026235 PMAQI
15th Jul 2026246 PMAQI
15th Jul 2026247 PMAQI
15th Jul 2026268 PMAQI
15th Jul 2026249 PMAQI
15th Jul 20262810 PMAQI
15th Jul 20262611 PMAQI
16th Jul 20262912 AMAQI
16th Jul 2026271 AMAQI
16th Jul 2026272 AMAQI
16th Jul 2026283 AMAQI

26°C20/33°C

16th Jul 2026284 AMAQI
16th Jul 2026285 AMAQI
16th Jul 2026306 AMAQI
16th Jul 2026307 AMAQI
16th Jul 2026308 AMAQI
16th Jul 2026289 AMAQI
16th Jul 20263010 AMAQI
16th Jul 20262811 AMAQI
16th Jul 20262812 PMAQI
16th Jul 2026221 PMAQI
16th Jul 2026222 PMAQI
16th Jul 2026213 PMAQI
16th Jul 2026214 PMAQI
16th Jul 2026245 PMAQI
16th Jul 2026266 PMAQI
16th Jul 2026267 PMAQI
16th Jul 2026258 PMAQI
16th Jul 2026269 PMAQI
16th Jul 20262610 PMAQI
16th Jul 20263111 PMAQI
17th Jul 20266912 AMAQI
17th Jul 2026731 AMAQI
17th Jul 2026712 AMAQI
17th Jul 2026663 AMAQI

26°C21/32°C

17th Jul 2026674 AMAQI
17th Jul 2026635 AMAQI
17th Jul 2026546 AMAQI
17th Jul 2026567 AMAQI
17th Jul 2026608 AMAQI
17th Jul 2026569 AMAQI
17th Jul 20263610 AMAQI
17th Jul 20261911 AMAQI
17th Jul 20261012 PMAQI
17th Jul 2026121 PMAQI
17th Jul 2026142 PMAQI
17th Jul 2026193 PMAQI
17th Jul 2026234 PMAQI
17th Jul 2026275 PMAQI
17th Jul 2026296 PMAQI
17th Jul 2026367 PMAQI
17th Jul 2026278 PMAQI
17th Jul 2026279 PMAQI
17th Jul 20262110 PMAQI
17th Jul 20263211 PMAQI
18th Jul 20263112 AMAQI
18th Jul 2026381 AMAQI
18th Jul 2026292 AMAQI
18th Jul 2026293 AMAQI

23°C21/25°C

18th Jul 2026254 AMAQI
18th Jul 2026255 AMAQI
18th Jul 2026256 AMAQI
18th Jul 2026257 AMAQI
18th Jul 2026338 AMAQI
18th Jul 2026259 AMAQI
18th Jul 20262510 AMAQI
18th Jul 20262511 AMAQI
18th Jul 20262512 PMAQI
18th Jul 2026271 PMAQI
18th Jul 2026332 PMAQI
18th Jul 2026383 PMAQI
18th Jul 2026254 PMAQI
18th Jul 2026255 PMAQI
18th Jul 2026276 PMAQI
18th Jul 2026297 PMAQI
18th Jul 2026258 PMAQI
18th Jul 2026219 PMAQI
18th Jul 20262510 PMAQI
18th Jul 20262511 PMAQI
19th Jul 20262312 AMAQI
19th Jul 2026231 AMAQI
19th Jul 2026172 AMAQI
19th Jul 2026213 AMAQI

23°C21/24°C

19th Jul 2026174 AMAQI
19th Jul 2026215 AMAQI
19th Jul 2026196 AMAQI
19th Jul 2026197 AMAQI
19th Jul 2026198 AMAQI
19th Jul 2026199 AMAQI
19th Jul 20262310 AMAQI
19th Jul 20262511 AMAQI
19th Jul 20262512 PMAQI
19th Jul 2026251 PMAQI
19th Jul 2026292 PMAQI
19th Jul 2026293 PMAQI
19th Jul 2026334 PMAQI
19th Jul 2026335 PMAQI
19th Jul 2026336 PMAQI
19th Jul 2026337 PMAQI
19th Jul 2026278 PMAQI
19th Jul 2026219 PMAQI
19th Jul 20262910 PMAQI
19th Jul 20262111 PMAQI
20th Jul 20262712 AMAQI
20th Jul 2026291 AMAQI
20th Jul 2026312 AMAQI
20th Jul 2026233 AMAQI

25°C21/30°C

20th Jul 2026254 AMAQI
20th Jul 2026235 AMAQI
20th Jul 2026256 AMAQI
20th Jul 2026277 AMAQI
20th Jul 2026258 AMAQI
20th Jul 2026279 AMAQI
20th Jul 20262110 AMAQI
20th Jul 20262311 AMAQI
20th Jul 20262512 PMAQI
20th Jul 2026361 PMAQI
20th Jul 2026462 PMAQI
20th Jul 2026643 PMAQI
20th Jul 2026664 PMAQI
20th Jul 2026525 PMAQI
20th Jul 2026556 PMAQI
20th Jul 2026557 PMAQI
20th Jul 2026508 PMAQI
20th Jul 2026549 PMAQI
20th Jul 20265310 PMAQI
20th Jul 20264911 PMAQI
21st Jul 20264212 AMAQI
21st Jul 2026421 AMAQI
21st Jul 2026402 AMAQI
21st Jul 2026403 AMAQI

26°C22/31°C

21st Jul 2026334 AMAQI
21st Jul 2026445 AMAQI
21st Jul 2026536 AMAQI
21st Jul 2026537 AMAQI
21st Jul 2026548 AMAQI
21st Jul 2026569 AMAQI
21st Jul 20265910 AMAQI
21st Jul 20266011 AMAQI
21st Jul 2026401 PMAQI
21st Jul 2026332 PMAQI
21st Jul 2026273 PMAQI
21st Jul 2026234 PMAQI
21st Jul 2026215 PMAQI
21st Jul 2026216 PMAQI
21st Jul 2026847 PMAQI
21st Jul 2026218 PMAQI
21st Jul 2026219 PMAQI
21st Jul 20262510 PMAQI
21st Jul 20262311 PMAQI
22nd Jul 20262312 AMAQI
22nd Jul 2026231 AMAQI
22nd Jul 2026252 AMAQI
22nd Jul 2026253 AMAQI

26°C21/32°C

22nd Jul 2026234 AMAQI
22nd Jul 2026235 AMAQI
22nd Jul 2026236 AMAQI
22nd Jul 2026157 AMAQI
22nd Jul 2026128 AMAQI
22nd Jul 2026149 AMAQI
22nd Jul 20262310 AMAQI
22nd Jul 20263411 AMAQI
22nd Jul 20263412 PMAQI
22nd Jul 2026341 PMAQI
22nd Jul 2026442 PMAQI
22nd Jul 2026513 PMAQI
22nd Jul 2026444 PMAQI
22nd Jul 2026385 PMAQI
22nd Jul 2026316 PMAQI
22nd Jul 2026277 PMAQI
22nd Jul 2026258 PMAQI
22nd Jul 2026259 PMAQI
22nd Jul 20262310 PMAQI
22nd Jul 20262311 PMAQI
23rd Jul 20262112 AMAQI
23rd Jul 2026231 AMAQI
23rd Jul 2026212 AMAQI
23rd Jul 2026213 AMAQI

25°C21/29°C

23rd Jul 2026214 AMAQI
23rd Jul 2026255 AMAQI
23rd Jul 2026296 AMAQI
23rd Jul 2026277 AMAQI
23rd Jul 2026238 AMAQI
23rd Jul 2026279 AMAQI
23rd Jul 20262710 AMAQI
23rd Jul 20262511 AMAQI
23rd Jul 20262312 PMAQI
23rd Jul 2026251 PMAQI
23rd Jul 2026252 PMAQI
23rd Jul 2026213 PMAQI
23rd Jul 2026254 PMAQI
23rd Jul 2026255 PMAQI
23rd Jul 2026256 PMAQI
23rd Jul 2026257 PMAQI
23rd Jul 2026258 PMAQI
23rd Jul 2026259 PMAQI
23rd Jul 20262310 PMAQI
23rd Jul 20262511 PMAQI
24th Jul 20262512 AMAQI
24th Jul 2026251 AMAQI
24th Jul 2026292 AMAQI
24th Jul 2026253 AMAQI

25°C21/31°C

24th Jul 2026254 AMAQI
24th Jul 2026235 AMAQI
24th Jul 2026236 AMAQI
24th Jul 2026257 AMAQI
24th Jul 2026258 AMAQI
24th Jul 2026279 AMAQI
24th Jul 20262510 AMAQI
24th Jul 20262311 AMAQI
24th Jul 20263012 PMAQI
24th Jul 2026251 PMAQI
24th Jul 2026292 PMAQI
24th Jul 2026293 PMAQI
24th Jul 2026294 PMAQI
24th Jul 2026255 PMAQI
24th Jul 2026256 PMAQI
24th Jul 2026257 PMAQI
24th Jul 2026278 PMAQI
24th Jul 2026299 PMAQI
24th Jul 20262510 PMAQI
24th Jul 20262311 PMAQI
25th Jul 20262512 AMAQI
25th Jul 2026251 AMAQI
25th Jul 2026252 AMAQI
25th Jul 2026253 AMAQI

21°C20/23°C

25th Jul 2026254 AMAQI
25th Jul 2026255 AMAQI
25th Jul 2026256 AMAQI
25th Jul 2026237 AMAQI
25th Jul 2026238 AMAQI
25th Jul 2026219 AMAQI
25th Jul 20262910 AMAQI
25th Jul 20261911 AMAQI
25th Jul 20262112 PMAQI
25th Jul 2026211 PMAQI
25th Jul 2026232 PMAQI
25th Jul 2026193 PMAQI
25th Jul 2026214 PMAQI
25th Jul 2026175 PMAQI
25th Jul 2026236 PMAQI
25th Jul 2026217 PMAQI
25th Jul 2026238 PMAQI
25th Jul 2026259 PMAQI
25th Jul 20262310 PMAQI
25th Jul 20261711 PMAQI
26th Jul 20261912 AMAQI
26th Jul 2026141 AMAQI
26th Jul 2026192 AMAQI
26th Jul 2026213 AMAQI

21°C20/23°C

26th Jul 2026214 AMAQI
26th Jul 2026195 AMAQI
26th Jul 2026176 AMAQI
26th Jul 2026197 AMAQI
26th Jul 2026198 AMAQI
26th Jul 2026199 AMAQI
26th Jul 20261410 AMAQI
26th Jul 20261711 AMAQI
26th Jul 20261912 PMAQI
26th Jul 2026161 PMAQI
26th Jul 2026192 PMAQI
26th Jul 2026143 PMAQI
26th Jul 2026144 PMAQI
26th Jul 2026175 PMAQI
26th Jul 2026146 PMAQI
26th Jul 2026147 PMAQI
26th Jul 2026178 PMAQI
26th Jul 2026149 PMAQI
26th Jul 20261710 PMAQI
26th Jul 20261211 PMAQI
27th Jul 20261212 AMAQI
27th Jul 2026121 AMAQI
27th Jul 2026172 AMAQI
27th Jul 2026173 AMAQI

20°C19/20°C

27th Jul 2026144 AMAQI
27th Jul 2026195 AMAQI
27th Jul 2026176 AMAQI
27th Jul 2026197 AMAQI
27th Jul 2026218 AMAQI
27th Jul 2026239 AMAQI
27th Jul 20262310 AMAQI
27th Jul 20262111 AMAQI
27th Jul 20262312 PMAQI
27th Jul 2026231 PMAQI
27th Jul 2026252 PMAQI
27th Jul 2026253 PMAQI
27th Jul 2026274 PMAQI
27th Jul 2026255 PMAQI
27th Jul 2026236 PMAQI
27th Jul 2026237 PMAQI
27th Jul 2026278 PMAQI
27th Jul 2026299 PMAQI
27th Jul 20262510 PMAQI
27th Jul 20262511 PMAQI
28th Jul 20262712 AMAQI
28th Jul 2026271 AMAQI
28th Jul 2026252 AMAQI
28th Jul 2026253 AMAQI

21°C18/25°C

28th Jul 2026254 AMAQI
28th Jul 2026215 AMAQI
28th Jul 2026216 AMAQI
28th Jul 2026237 AMAQI
28th Jul 2026258 AMAQI
28th Jul 2026259 AMAQI
28th Jul 20262510 AMAQI
28th Jul 20262511 AMAQI
28th Jul 20262512 PMAQI
28th Jul 2026251 PMAQI
28th Jul 2026252 PMAQI
28th Jul 2026253 PMAQI
28th Jul 2026254 PMAQI
28th Jul 2026255 PMAQI
28th Jul 2026236 PMAQI
28th Jul 2026257 PMAQI
28th Jul 2026258 PMAQI
28th Jul 2026259 PMAQI
28th Jul 20262510 PMAQI
28th Jul 20262511 PMAQI
29th Jul 20262712 AMAQI
29th Jul 2026291 AMAQI
29th Jul 2026382 AMAQI
29th Jul 2026313 AMAQI

20°C16/24°C

29th Jul 2026294 AMAQI
29th Jul 2026335 AMAQI
29th Jul 2026336 AMAQI
29th Jul 2026337 AMAQI
29th Jul 2026278 AMAQI
29th Jul 2026259 AMAQI
29th Jul 20262110 AMAQI
29th Jul 20262111 AMAQI
29th Jul 20262312 PMAQI
29th Jul 2026231 PMAQI
29th Jul 2026232 PMAQI
29th Jul 2026273 PMAQI
29th Jul 2026254 PMAQI
29th Jul 2026255 PMAQI
29th Jul 2026316 PMAQI
29th Jul 2026257 PMAQI
29th Jul 2026238 PMAQI
29th Jul 2026239 PMAQI
29th Jul 20262110 PMAQI
29th Jul 20262511 PMAQI
30th Jul 20262312 AMAQI
30th Jul 2026271 AMAQI
30th Jul 2026252 AMAQI
30th Jul 2026253 AMAQI

23°C19/27°C

30th Jul 2026254 AMAQI
30th Jul 2026275 AMAQI
30th Jul 2026276 AMAQI
30th Jul 2026257 AMAQI
30th Jul 2026238 AMAQI
30th Jul 2026239 AMAQI
30th Jul 20262510 AMAQI
30th Jul 20262711 AMAQI
30th Jul 20262512 PMAQI
30th Jul 2026331 PMAQI
30th Jul 2026292 PMAQI
30th Jul 2026253 PMAQI
30th Jul 2026254 PMAQI
30th Jul 2026255 PMAQI
30th Jul 2026296 PMAQI
30th Jul 2026297 PMAQI
30th Jul 2026278 PMAQI
30th Jul 2026279 PMAQI
30th Jul 20262910 PMAQI
30th Jul 20263111 PMAQI
31st Jul 20262512 AMAQI
31st Jul 2026271 AMAQI
31st Jul 2026272 AMAQI
31st Jul 2026273 AMAQI

23°C19/29°C

31st Jul 2026274 AMAQI
31st Jul 2026255 AMAQI
31st Jul 2026276 AMAQI
31st Jul 2026277 AMAQI
31st Jul 2026258 AMAQI
31st Jul 2026239 AMAQI
31st Jul 20262310 AMAQI
31st Jul 20262711 AMAQI
31st Jul 20262512 PMAQI
31st Jul 2026231 PMAQI
31st Jul 2026232 PMAQI
31st Jul 2026233 PMAQI
31st Jul 2026234 PMAQI
31st Jul 2026235 PMAQI
31st Jul 2026256 PMAQI
31st Jul 2026257 PMAQI
31st Jul 2026238 PMAQI
31st Jul 2026219 PMAQI
31st Jul 20262110 PMAQI
31st Jul 20262111 PMAQI
1st Aug 20262112 AMAQI
1st Aug 2026231 AMAQI
1st Aug 2026252 AMAQI
1st Aug 2026273 AMAQI

22°C19/27°C

1st Aug 2026214 AMAQI
4 AM
1st Aug 2026255 AMAQI
1st Aug 2026256 AMAQI
1st Aug 2026217 AMAQI
1st Aug 2026238 AMAQI
1st Aug 2026239 AMAQI
1st Aug 20262310 AMAQI
1st Aug 20261911 AMAQI
11 AM
1st Aug 20261412 PMAQI
1st Aug 2026171 PMAQI
1st Aug 2026142 PMAQI
1st Aug 2026173 PMAQI
1st Aug 2026144 PMAQI
1st Aug 2026175 PMAQI
1st Aug 2026126 PMAQI
6 PM
1st Aug 2026127 PMAQI
1st Aug 2026148 PMAQI
1st Aug 2026149 PMAQI
1st Aug 20261410 PMAQI
1st Aug 20261211 PMAQI
11 PM
3 AM

21°C20/21°C

Day time
Avg. Highest Time
5 AM - 8 AM

26AQI

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

22AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 5 AM to 8 AM (Avg. 26), while the lowest AQI was between 12 PM to 12 PM (Avg. 22).
Night time
Avg. Highest Time
1 AM - 2 AM

28AQI

2 hours / Day
60 hours / Month
Avg. Lowest Time
8 PM - 9 PM

25AQI

2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 1 AM to 2 AM (Avg. 28), while the lowest AQI was between 8 PM to 9 PM (Avg. 25).

2026 Days Vs Air Quality

Oshu, Iwate, Japan

2026

86%

183

14%

29

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

Good
183 Days
Moderate
29 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 213 days were within WHO’s safe air quality limits. The risk of health issues is Low, but the long-term effects, especially on vulnerable individuals, remain uncertain.

Annual Air Quality Insights

Oshu, Iwate, 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
12AQI (US)
2nd January 2026
16AQI (US)
3rd January 2026
20AQI (US)
4th January 2026
12AQI (US)
5th January 2026
17AQI (US)
6th January 2026
18AQI (US)
7th January 2026
20AQI (US)
8th January 2026
21AQI (US)
9th January 2026
14AQI (US)
10th January 2026
23AQI (US)
11th January 2026
19AQI (US)
12th January 2026
14AQI (US)
13th January 2026
13AQI (US)
14th January 2026
14AQI (US)
15th January 2026
21AQI (US)
16th January 2026
30AQI (US)
17th January 2026
30AQI (US)
18th January 2026
20AQI (US)
19th January 2026
26AQI (US)
20th January 2026
22AQI (US)
21st January 2026
13AQI (US)
22nd January 2026
17AQI (US)
23rd January 2026
31AQI (US)
24th January 2026
32AQI (US)
25th January 2026
40AQI (US)
26th January 2026
31AQI (US)
27th January 2026
30AQI (US)
28th January 2026
11AQI (US)
29th January 2026
12AQI (US)
30th January 2026
34AQI (US)
31st January 2026
39AQI (US)
1st February 2026
33AQI (US)
2nd February 2026
30AQI (US)
3rd February 2026
30AQI (US)
4th February 2026
31AQI (US)
5th February 2026
39AQI (US)
6th February 2026
24AQI (US)
7th February 2026
10AQI (US)
8th February 2026
20AQI (US)
9th February 2026
40AQI (US)
10th February 2026
51AQI (US)
11th February 2026
67AQI (US)
12th February 2026
27AQI (US)
13th February 2026
19AQI (US)
14th February 2026
74AQI (US)
15th February 2026
48AQI (US)
16th February 2026
41AQI (US)
17th February 2026
32AQI (US)
18th February 2026
37AQI (US)
19th February 2026
32AQI (US)
20th February 2026
38AQI (US)
21st February 2026
53AQI (US)
22nd February 2026
42AQI (US)
23rd February 2026
39AQI (US)
24th February 2026
36AQI (US)
25th February 2026
44AQI (US)
26th February 2026
43AQI (US)
27th February 2026
43AQI (US)
28th February 2026
11AQI (US)
1st March 2026
24AQI (US)
2nd March 2026
92AQI (US)
3rd March 2026
56AQI (US)
4th March 2026
75AQI (US)
5th March 2026
68AQI (US)
6th March 2026
37AQI (US)
7th March 2026
49AQI (US)
8th March 2026
53AQI (US)
9th March 2026
47AQI (US)
10th March 2026
55AQI (US)
11th March 2026
56AQI (US)
12th March 2026
69AQI (US)
13th March 2026
47AQI (US)
14th March 2026
51AQI (US)
15th March 2026
64AQI (US)
16th March 2026
47AQI (US)
17th March 2026
59AQI (US)
18th March 2026
51AQI (US)
19th March 2026
36AQI (US)
20th March 2026
40AQI (US)
21st March 2026
45AQI (US)
22nd March 2026
38AQI (US)
23rd March 2026
49AQI (US)
24th March 2026
67AQI (US)
25th March 2026
62AQI (US)
26th March 2026
38AQI (US)
27th March 2026
15AQI (US)
28th March 2026
33AQI (US)
29th March 2026
60AQI (US)
30th March 2026
52AQI (US)
31st March 2026
50AQI (US)
1st April 2026
20AQI (US)
2nd April 2026
33AQI (US)
3rd April 2026
54AQI (US)
4th April 2026
37AQI (US)
5th April 2026
18AQI (US)
6th April 2026
18AQI (US)
7th April 2026
24AQI (US)
8th April 2026
25AQI (US)
9th April 2026
36AQI (US)
10th April 2026
45AQI (US)
11th April 2026
36AQI (US)
12th April 2026
31AQI (US)
13th April 2026
33AQI (US)
14th April 2026
37AQI (US)
15th April 2026
44AQI (US)
16th April 2026
33AQI (US)
17th April 2026
38AQI (US)
18th April 2026
27AQI (US)
19th April 2026
33AQI (US)
20th April 2026
37AQI (US)
21st April 2026
48AQI (US)
22nd April 2026
35AQI (US)
23rd April 2026
35AQI (US)
24th April 2026
23AQI (US)
25th April 2026
23AQI (US)
26th April 2026
23AQI (US)
27th April 2026
33AQI (US)
28th April 2026
23AQI (US)
29th April 2026
21AQI (US)
30th April 2026
42AQI (US)
1st May 2026
38AQI (US)
2nd May 2026
20AQI (US)
3rd May 2026
29AQI (US)
4th May 2026
18AQI (US)
5th May 2026
22AQI (US)
6th May 2026
31AQI (US)
7th May 2026
21AQI (US)
8th May 2026
28AQI (US)
9th May 2026
27AQI (US)
10th May 2026
32AQI (US)
11th May 2026
31AQI (US)
12th May 2026
40AQI (US)
13th May 2026
33AQI (US)
14th May 2026
31AQI (US)
15th May 2026
34AQI (US)
16th May 2026
84AQI (US)
17th May 2026
68AQI (US)
18th May 2026
54AQI (US)
19th May 2026
48AQI (US)
20th May 2026
61AQI (US)
21st May 2026
60AQI (US)
22nd May 2026
65AQI (US)
23rd May 2026
55AQI (US)
24th May 2026
59AQI (US)
25th May 2026
50AQI (US)
26th May 2026
40AQI (US)
27th May 2026
24AQI (US)
28th May 2026
23AQI (US)
29th May 2026
23AQI (US)
30th May 2026
24AQI (US)
31st May 2026
26AQI (US)
1st June 2026
28AQI (US)
2nd June 2026
34AQI (US)
3rd June 2026
23AQI (US)
4th June 2026
12AQI (US)
5th June 2026
18AQI (US)
6th June 2026
20AQI (US)
7th June 2026
20AQI (US)
8th June 2026
20AQI (US)
9th June 2026
22AQI (US)
10th June 2026
21AQI (US)
11th June 2026
23AQI (US)
12th June 2026
24AQI (US)
13th June 2026
25AQI (US)
14th June 2026
22AQI (US)
15th June 2026
22AQI (US)
16th June 2026
26AQI (US)
17th June 2026
24AQI (US)
18th June 2026
25AQI (US)
19th June 2026
28AQI (US)
20th June 2026
21AQI (US)
21st June 2026
17AQI (US)
22nd June 2026
18AQI (US)
23rd June 2026
21AQI (US)
24th June 2026
21AQI (US)
25th June 2026
26AQI (US)
26th June 2026
28AQI (US)
27th June 2026
26AQI (US)
28th June 2026
28AQI (US)
29th June 2026
28AQI (US)
30th June 2026
23AQI (US)
1st July 2026
24AQI (US)
2nd July 2026
23AQI (US)
3rd July 2026
24AQI (US)
4th July 2026
24AQI (US)
5th July 2026
22AQI (US)
6th July 2026
24AQI (US)
7th July 2026
23AQI (US)
8th July 2026
24AQI (US)
9th July 2026
23AQI (US)
10th July 2026
27AQI (US)
11th July 2026
29AQI (US)
12th July 2026
21AQI (US)
13th July 2026
18AQI (US)
14th July 2026
25AQI (US)
15th July 2026
26AQI (US)
16th July 2026
27AQI (US)
17th July 2026
40AQI (US)
18th July 2026
28AQI (US)
19th July 2026
24AQI (US)
20th July 2026
38AQI (US)
21st July 2026
40AQI (US)
22nd July 2026
28AQI (US)
23rd July 2026
24AQI (US)
24th July 2026
26AQI (US)
25th July 2026
23AQI (US)
26th July 2026
17AQI (US)
27th July 2026
21AQI (US)
28th July 2026
25AQI (US)
29th July 2026
27AQI (US)
30th July 2026
26AQI (US)
31st July 2026
24AQI (US)
1st August 2026
2nd August 2026
3rd August 2026
4th August 2026
5th August 2026
6th August 2026
7th August 2026
8th August 2026
9th August 2026
10th August 2026
11th August 2026
12th August 2026
13th August 2026
14th August 2026
15th August 2026
16th August 2026
17th August 2026
18th August 2026
19th August 2026
20th August 2026
21st August 2026
22nd August 2026
23rd August 2026
24th August 2026
25th August 2026
26th August 2026
27th August 2026
28th August 2026
29th August 2026
30th August 2026
31st August 2026
1st September 2026
2nd September 2026
3rd September 2026
4th September 2026
5th September 2026
6th September 2026
7th September 2026
8th September 2026
9th September 2026
10th September 2026
11th September 2026
12th September 2026
13th September 2026
14th September 2026
15th September 2026
16th September 2026
17th September 2026
18th September 2026
19th September 2026
20th September 2026
21st September 2026
22nd September 2026
23rd September 2026
24th September 2026
25th September 2026
26th September 2026
27th September 2026
28th September 2026
29th September 2026
30th September 2026
1st October 2026
2nd October 2026
3rd October 2026
4th October 2026
5th October 2026
6th October 2026
7th October 2026
8th October 2026
9th October 2026
10th October 2026
11th October 2026
12th October 2026
13th October 2026
14th October 2026
15th October 2026
16th October 2026
17th October 2026
18th October 2026
19th October 2026
20th October 2026
21st October 2026
22nd October 2026
23rd October 2026
24th October 2026
25th October 2026
26th October 2026
27th October 2026
28th October 2026
29th October 2026
30th October 2026
31st October 2026
1st November 2026
2nd November 2026
3rd November 2026
4th November 2026
5th November 2026
6th November 2026
7th November 2026
8th November 2026
9th November 2026
10th November 2026
11th November 2026
12th November 2026
13th November 2026
14th November 2026
15th November 2026
16th November 2026
17th November 2026
18th November 2026
19th November 2026
20th November 2026
21st November 2026
22nd November 2026
23rd November 2026
24th November 2026
25th November 2026
26th November 2026
27th November 2026
28th November 2026
29th November 2026
30th November 2026
1st December 2026
2nd December 2026
3rd December 2026
4th December 2026
5th December 2026
6th December 2026
7th December 2026
8th December 2026
9th December 2026
10th December 2026
11th December 2026
12th December 2026
13th December 2026
14th December 2026
15th December 2026
16th December 2026
17th December 2026
18th December 2026
19th December 2026
20th December 2026
21st December 2026
22nd December 2026
23rd December 2026
24th December 2026
25th December 2026
26th December 2026
27th December 2026
28th December 2026
29th December 2026
30th December 2026
31st December 2026

22AQI (US)

37AQI (US)

51AQI (US)

32AQI (US)

39AQI (US)

23AQI (US)

26AQI (US)

No. of days

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

202633AQI (US)

31
24
4
15
16
29
1
23
8
30
31
183
29

Highest AQI (US) recorded in

March

51AQI (US)

Lowest AQI (US) recorded in

January

22AQI (US)

202534AQI (US)

31
27
1
28
3
30
31
27
3
27
4
31
30
27
4
24
6
30
1
343
22

Highest AQI (US) recorded in

July

45AQI (US)

Lowest AQI (US) recorded in

September

27AQI (US)

202431AQI (US)

30
28
1
30
1
28
2
31
29
1
29
2
31
30
31
29
1
31
357
8

Highest AQI (US) recorded in

April

42AQI (US)

Lowest AQI (US) recorded in

September

24AQI (US)

202333AQI (US)

26
4
25
3
21
10
21
9
25
6
30
29
2
31
30
31
28
1
31
328
35

Highest AQI (US) recorded in

March

45AQI (US)

Lowest AQI (US) recorded in

September

24AQI (US)

202240AQI (US)

28
2
16
5
25
6
22
7
18
13
25
5
21
1
27
1
23
8
22
8
31
259
55

Highest AQI (US) recorded in

May

48AQI (US)

Lowest AQI (US) recorded in

December

33AQI (US)

202141AQI (US)

22
9
23
5
25
6
20
3
25
6
16
14
21
10
23
8
25
5
26
5
23
7
26
5
275
83

Highest AQI (US) recorded in

June

50AQI (US)

Lowest AQI (US) recorded in

April

34AQI (US)

202039AQI (US)

8
3
16
4
15
3
25
5
31
18
13
18
1
24
7
19
10
1
24
7
198
52
2

Highest AQI (US) recorded in

August

47AQI (US)

Lowest AQI (US) recorded in

July

32AQI (US)

Most & Least Polluted Years Over the Last 7 Years

Most Polluted Year Recorded
2021(Avg.)
41AQI (US)
Least Polluted Year Recorded
2024(Avg.)
31AQI (US)

Oshu's annual 2026 AQI (US) (33) shows an average percentage change of -8.1% (improved AQI (US)) compared to previous years: 2020 (39), 2021 (41), 2022 (40), 2023 (33), 2024 (31), 2025 (34).