Country Background
HistoryAQIPM₂.₅PM₁₀COSO₂NO₂O₃

Masaki, Ehime, 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+

July Air Quality Analysis

Masaki, Ehime, Japan

2022
2023
2024
2025
2026
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
4th Jul 2025
94AQI
Lowest AQI recorded on
2nd Jul 2026
18AQI

Same Day Analysis (31st July):
On this day, AQI across the 5 years varied significantly: 2026 ranks 4th highest AQI at 24 of Good air quality, showing improvement over 2025, 2024 and 2023 on the same day.

Day & Night AQI Trend: 30th Jul - 31st Jul 2026

Masaki, Ehime, Japan

AQI
Day
Night
.

5 AM30th Jul 2026

7 PM

4 AM31st Jul 2026

Day time
Avg. Highest Time
6PM30th Jul

24AQI

Avg. Lowest Time
11AM30th Jul

21AQI

Night time
Avg. Highest Time
3AM31st Jul

24AQI

Avg. Lowest Time
4AM31st Jul

22AQI

In the last 24 hours,

Masaki's AQI reached its highest point of 24 at 6 PM during the Day, while the lowest point, 21, was recorded at 11 AM during the Day between 30th Jul and 31st Jul 2026.

Day & Night AQI Trend : Jul 2026

Masaki, Ehime, Japan

Jul
02nd - 03rd03rd - 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
Day
Night
2nd Jul 2026165 AMAQI
2nd Jul 2026126 AMAQI
2nd Jul 2026147 AMAQI
2nd Jul 2026128 AMAQI
2nd Jul 2026129 AMAQI
2nd Jul 2026910 AMAQI
2nd Jul 20261211 AMAQI
2nd Jul 20261412 PMAQI
2nd Jul 2026211 PMAQI
2nd Jul 2026182 PMAQI
2nd Jul 2026173 PMAQI
2nd Jul 2026224 PMAQI
2nd Jul 2026105 PMAQI
2nd Jul 2026196 PMAQI
2nd Jul 2026207 PMAQI
2nd Jul 2026248 PMAQI
2nd Jul 2026279 PMAQI
2nd Jul 20262610 PMAQI
2nd Jul 20262811 PMAQI
3rd Jul 20263012 AMAQI
3rd Jul 2026231 AMAQI
3rd Jul 2026302 AMAQI
3rd Jul 2026253 AMAQI
3rd Jul 2026284 AMAQI

22°C20/25°C

3rd Jul 2026275 AMAQI
3rd Jul 2026326 AMAQI
3rd Jul 2026207 AMAQI
3rd Jul 2026348 AMAQI
3rd Jul 2026399 AMAQI
3rd Jul 20263810 AMAQI
3rd Jul 20264311 AMAQI
3rd Jul 20262512 PMAQI
3rd Jul 2026241 PMAQI
3rd Jul 2026272 PMAQI
3rd Jul 2026273 PMAQI
3rd Jul 2026264 PMAQI
3rd Jul 2026265 PMAQI
3rd Jul 2026256 PMAQI
3rd Jul 2026207 PMAQI
3rd Jul 2026258 PMAQI
3rd Jul 2026249 PMAQI
3rd Jul 20262410 PMAQI
3rd Jul 20262611 PMAQI
4th Jul 20262612 AMAQI
4th Jul 2026281 AMAQI
4th Jul 2026292 AMAQI
4th Jul 2026283 AMAQI
4th Jul 2026224 AMAQI

23°C19/26°C

4th Jul 2026245 AMAQI
4th Jul 2026246 AMAQI
4th Jul 2026267 AMAQI
4th Jul 2026258 AMAQI
4th Jul 2026249 AMAQI
4th Jul 20262410 AMAQI
4th Jul 20262211 AMAQI
4th Jul 20262312 PMAQI
4th Jul 2026241 PMAQI
4th Jul 2026242 PMAQI
4th Jul 2026203 PMAQI
4th Jul 2026254 PMAQI
4th Jul 2026265 PMAQI
4th Jul 2026226 PMAQI
4th Jul 2026247 PMAQI
4th Jul 2026238 PMAQI
4th Jul 2026229 PMAQI
4th Jul 20262310 PMAQI
4th Jul 20262411 PMAQI
5th Jul 20262112 AMAQI
5th Jul 2026251 AMAQI
5th Jul 2026232 AMAQI
5th Jul 2026233 AMAQI
5th Jul 2026234 AMAQI

22°C20/23°C

5th Jul 2026235 AMAQI
5th Jul 2026226 AMAQI
5th Jul 2026227 AMAQI
5th Jul 2026228 AMAQI
5th Jul 2026219 AMAQI
5th Jul 20261910 AMAQI
5th Jul 20262011 AMAQI
5th Jul 20262112 PMAQI
5th Jul 2026211 PMAQI
5th Jul 2026222 PMAQI
5th Jul 2026203 PMAQI
5th Jul 2026194 PMAQI
5th Jul 2026195 PMAQI
5th Jul 2026196 PMAQI
5th Jul 2026127 PMAQI
5th Jul 2026118 PMAQI
5th Jul 202689 PMAQI
5th Jul 20261610 PMAQI
5th Jul 20261011 PMAQI
6th Jul 20261612 AMAQI
6th Jul 2026271 AMAQI
6th Jul 2026272 AMAQI
6th Jul 2026183 AMAQI
6th Jul 2026204 AMAQI

22°C21/25°C

6th Jul 2026115 AMAQI
6th Jul 2026186 AMAQI
6th Jul 2026147 AMAQI
6th Jul 2026238 AMAQI
6th Jul 2026209 AMAQI
6th Jul 20262410 AMAQI
6th Jul 20263711 AMAQI
6th Jul 20262012 PMAQI
6th Jul 2026201 PMAQI
6th Jul 2026212 PMAQI
6th Jul 2026203 PMAQI
6th Jul 2026224 PMAQI
6th Jul 2026205 PMAQI
6th Jul 2026186 PMAQI
6th Jul 2026217 PMAQI
6th Jul 2026268 PMAQI
6th Jul 2026199 PMAQI
6th Jul 20261910 PMAQI
6th Jul 20262111 PMAQI
7th Jul 20262812 AMAQI
7th Jul 2026321 AMAQI
7th Jul 2026282 AMAQI
7th Jul 2026293 AMAQI
7th Jul 2026244 AMAQI

23°C21/26°C

7th Jul 2026305 AMAQI
7th Jul 2026256 AMAQI
7th Jul 2026257 AMAQI
7th Jul 2026248 AMAQI
7th Jul 2026229 AMAQI
7th Jul 20262210 AMAQI
7th Jul 20262011 AMAQI
7th Jul 20262212 PMAQI
7th Jul 2026211 PMAQI
7th Jul 2026212 PMAQI
7th Jul 2026263 PMAQI
7th Jul 2026244 PMAQI
7th Jul 2026265 PMAQI
7th Jul 2026266 PMAQI
7th Jul 2026257 PMAQI
7th Jul 2026248 PMAQI
7th Jul 2026269 PMAQI
7th Jul 20262810 PMAQI
7th Jul 20262411 PMAQI
8th Jul 20263012 AMAQI
8th Jul 2026291 AMAQI
8th Jul 2026302 AMAQI
8th Jul 2026313 AMAQI
8th Jul 2026284 AMAQI

24°C21/27°C

8th Jul 2026265 AMAQI
8th Jul 2026246 AMAQI
8th Jul 2026287 AMAQI
8th Jul 2026298 AMAQI
8th Jul 2026259 AMAQI
8th Jul 20262410 AMAQI
8th Jul 20262311 AMAQI
8th Jul 20262512 PMAQI
8th Jul 2026251 PMAQI
8th Jul 2026252 PMAQI
8th Jul 2026263 PMAQI
8th Jul 2026234 PMAQI
8th Jul 2026225 PMAQI
8th Jul 2026246 PMAQI
8th Jul 2026207 PMAQI
8th Jul 2026208 PMAQI
8th Jul 2026209 PMAQI
8th Jul 20262210 PMAQI
8th Jul 20262211 PMAQI
9th Jul 20262812 AMAQI
9th Jul 2026271 AMAQI
9th Jul 2026272 AMAQI
9th Jul 2026273 AMAQI
9th Jul 2026264 AMAQI

24°C22/28°C

9th Jul 2026265 AMAQI
9th Jul 2026266 AMAQI
9th Jul 2026287 AMAQI
9th Jul 2026218 AMAQI
9th Jul 2026259 AMAQI
9th Jul 20262210 AMAQI
9th Jul 20262211 AMAQI
9th Jul 20262212 PMAQI
9th Jul 2026221 PMAQI
9th Jul 2026222 PMAQI
9th Jul 2026263 PMAQI
9th Jul 2026244 PMAQI
9th Jul 2026255 PMAQI
9th Jul 2026266 PMAQI
9th Jul 2026267 PMAQI
9th Jul 2026258 PMAQI
9th Jul 2026259 PMAQI
9th Jul 20262410 PMAQI
9th Jul 20262811 PMAQI
10th Jul 20262712 AMAQI
10th Jul 2026271 AMAQI
10th Jul 2026262 AMAQI
10th Jul 2026253 AMAQI
10th Jul 2026244 AMAQI

24°C21/26°C

10th Jul 2026285 AMAQI
10th Jul 2026296 AMAQI
10th Jul 2026287 AMAQI
10th Jul 2026288 AMAQI
10th Jul 2026269 AMAQI
10th Jul 20262910 AMAQI
10th Jul 20262811 AMAQI
10th Jul 20262612 PMAQI
10th Jul 2026221 PMAQI
10th Jul 2026202 PMAQI
10th Jul 2026203 PMAQI
10th Jul 2026224 PMAQI
10th Jul 2026285 PMAQI
10th Jul 2026266 PMAQI
10th Jul 2026277 PMAQI
10th Jul 2026308 PMAQI
10th Jul 2026309 PMAQI
10th Jul 20263010 PMAQI
10th Jul 20263211 PMAQI
11th Jul 20263012 AMAQI
11th Jul 2026321 AMAQI
11th Jul 2026302 AMAQI
11th Jul 2026313 AMAQI
11th Jul 2026304 AMAQI

24°C20/27°C

11th Jul 2026305 AMAQI
11th Jul 2026336 AMAQI
11th Jul 2026307 AMAQI
11th Jul 2026248 AMAQI
11th Jul 2026329 AMAQI
11th Jul 20262710 AMAQI
11th Jul 20262711 AMAQI
11th Jul 20262412 PMAQI
11th Jul 2026241 PMAQI
11th Jul 2026242 PMAQI
11th Jul 2026213 PMAQI
11th Jul 2026274 PMAQI
11th Jul 2026305 PMAQI
11th Jul 2026306 PMAQI
11th Jul 2026277 PMAQI
11th Jul 2026268 PMAQI
11th Jul 2026289 PMAQI
11th Jul 20263010 PMAQI
11th Jul 20263011 PMAQI
12th Jul 20263112 AMAQI
12th Jul 2026301 AMAQI
12th Jul 2026292 AMAQI
12th Jul 2026323 AMAQI
12th Jul 2026264 AMAQI

25°C21/28°C

12th Jul 2026285 AMAQI
12th Jul 2026266 AMAQI
12th Jul 2026267 AMAQI
12th Jul 2026288 AMAQI
12th Jul 2026269 AMAQI
12th Jul 20262810 AMAQI
12th Jul 20262411 AMAQI
12th Jul 20262412 PMAQI
12th Jul 2026221 PMAQI
12th Jul 2026222 PMAQI
12th Jul 2026243 PMAQI
12th Jul 2026284 PMAQI
12th Jul 2026265 PMAQI
12th Jul 2026286 PMAQI
12th Jul 2026287 PMAQI
12th Jul 2026308 PMAQI
12th Jul 2026329 PMAQI
12th Jul 20263210 PMAQI
12th Jul 20263011 PMAQI
13th Jul 20263412 AMAQI
13th Jul 2026281 AMAQI
13th Jul 2026292 AMAQI
13th Jul 2026293 AMAQI
13th Jul 2026224 AMAQI

26°C22/30°C

13th Jul 2026255 AMAQI
13th Jul 2026266 AMAQI
13th Jul 2026257 AMAQI
13th Jul 2026278 AMAQI
13th Jul 2026279 AMAQI
13th Jul 20262810 AMAQI
13th Jul 20262611 AMAQI
13th Jul 20262612 PMAQI
13th Jul 2026211 PMAQI
13th Jul 2026202 PMAQI
13th Jul 2026203 PMAQI
13th Jul 2026234 PMAQI
13th Jul 2026265 PMAQI
13th Jul 2026296 PMAQI
13th Jul 2026297 PMAQI
13th Jul 2026298 PMAQI
13th Jul 2026329 PMAQI
13th Jul 20263210 PMAQI
13th Jul 20263211 PMAQI
14th Jul 20263412 AMAQI
14th Jul 2026341 AMAQI
14th Jul 2026322 AMAQI
14th Jul 2026293 AMAQI
14th Jul 2026274 AMAQI

26°C23/30°C

14th Jul 2026325 AMAQI
14th Jul 2026266 AMAQI
14th Jul 2026287 AMAQI
14th Jul 2026268 AMAQI
14th Jul 2026309 AMAQI
14th Jul 20263410 AMAQI
14th Jul 20262511 AMAQI
14th Jul 20262212 PMAQI
14th Jul 2026201 PMAQI
14th Jul 2026202 PMAQI
14th Jul 2026203 PMAQI
14th Jul 2026234 PMAQI
14th Jul 2026295 PMAQI
14th Jul 2026286 PMAQI
14th Jul 2026287 PMAQI
14th Jul 2026298 PMAQI
14th Jul 2026289 PMAQI
14th Jul 20262710 PMAQI
14th Jul 20263211 PMAQI
15th Jul 20263212 AMAQI
15th Jul 2026341 AMAQI
15th Jul 2026312 AMAQI
15th Jul 2026293 AMAQI
15th Jul 2026264 AMAQI

27°C24/30°C

15th Jul 2026265 AMAQI
15th Jul 2026236 AMAQI
15th Jul 2026287 AMAQI
15th Jul 2026278 AMAQI
15th Jul 2026269 AMAQI
15th Jul 20262810 AMAQI
15th Jul 20262411 AMAQI
15th Jul 20262412 PMAQI
15th Jul 2026201 PMAQI
15th Jul 2026192 PMAQI
15th Jul 2026193 PMAQI
15th Jul 2026234 PMAQI
15th Jul 2026255 PMAQI
15th Jul 2026266 PMAQI
15th Jul 2026267 PMAQI
15th Jul 2026288 PMAQI
15th Jul 2026249 PMAQI
15th Jul 20262810 PMAQI
15th Jul 20262411 PMAQI
16th Jul 20262412 AMAQI
16th Jul 2026271 AMAQI
16th Jul 2026272 AMAQI
16th Jul 2026283 AMAQI
16th Jul 2026244 AMAQI

27°C23/30°C

16th Jul 2026275 AMAQI
16th Jul 2026266 AMAQI
16th Jul 2026287 AMAQI
16th Jul 2026348 AMAQI
16th Jul 2026329 AMAQI
16th Jul 20263410 AMAQI
16th Jul 20263111 AMAQI
16th Jul 20262912 PMAQI
16th Jul 2026241 PMAQI
16th Jul 2026242 PMAQI
16th Jul 2026233 PMAQI
16th Jul 2026234 PMAQI
16th Jul 2026285 PMAQI
16th Jul 2026256 PMAQI
16th Jul 2026247 PMAQI
16th Jul 2026248 PMAQI
16th Jul 2026269 PMAQI
16th Jul 20262610 PMAQI
16th Jul 20263111 PMAQI
17th Jul 20262712 AMAQI
17th Jul 2026281 AMAQI
17th Jul 2026282 AMAQI
17th Jul 2026283 AMAQI
17th Jul 2026264 AMAQI

27°C25/31°C

17th Jul 2026265 AMAQI
17th Jul 2026276 AMAQI
17th Jul 2026267 AMAQI
17th Jul 2026248 AMAQI
17th Jul 2026249 AMAQI
17th Jul 20262710 AMAQI
17th Jul 20262611 AMAQI
17th Jul 20262512 PMAQI
17th Jul 2026241 PMAQI
17th Jul 2026242 PMAQI
17th Jul 2026243 PMAQI
17th Jul 2026454 PMAQI
17th Jul 2026445 PMAQI
17th Jul 2026496 PMAQI
17th Jul 2026467 PMAQI
17th Jul 2026508 PMAQI
17th Jul 2026479 PMAQI
17th Jul 20265110 PMAQI
17th Jul 20265011 PMAQI
18th Jul 20264812 AMAQI
18th Jul 2026501 AMAQI
18th Jul 2026502 AMAQI
18th Jul 2026523 AMAQI
18th Jul 2026504 AMAQI

27°C23/30°C

18th Jul 2026505 AMAQI
18th Jul 2026506 AMAQI
18th Jul 2026507 AMAQI
18th Jul 2026488 AMAQI
18th Jul 2026509 AMAQI
18th Jul 20265210 AMAQI
18th Jul 20265111 AMAQI
18th Jul 20265412 PMAQI
18th Jul 2026561 PMAQI
18th Jul 2026562 PMAQI
18th Jul 2026573 PMAQI
18th Jul 2026564 PMAQI
18th Jul 2026595 PMAQI
18th Jul 2026586 PMAQI
18th Jul 2026617 PMAQI
18th Jul 2026618 PMAQI
18th Jul 2026569 PMAQI
18th Jul 20265610 PMAQI
18th Jul 20265411 PMAQI
19th Jul 20265812 AMAQI
19th Jul 2026571 AMAQI
19th Jul 2026582 AMAQI
19th Jul 2026583 AMAQI
19th Jul 2026584 AMAQI

27°C24/30°C

19th Jul 2026565 AMAQI
19th Jul 2026576 AMAQI
19th Jul 2026577 AMAQI
19th Jul 2026568 AMAQI
19th Jul 2026569 AMAQI
19th Jul 20265610 AMAQI
19th Jul 20265411 AMAQI
19th Jul 20265612 PMAQI
19th Jul 2026551 PMAQI
19th Jul 2026562 PMAQI
19th Jul 2026563 PMAQI
19th Jul 2026564 PMAQI
19th Jul 2026545 PMAQI
19th Jul 2026546 PMAQI
19th Jul 2026547 PMAQI
19th Jul 2026568 PMAQI
19th Jul 2026569 PMAQI
19th Jul 20265410 PMAQI
19th Jul 20265611 PMAQI
20th Jul 20265612 AMAQI
20th Jul 2026541 AMAQI
20th Jul 2026562 AMAQI
20th Jul 2026553 AMAQI
20th Jul 2026544 AMAQI

27°C23/30°C

20th Jul 2026535 AMAQI
20th Jul 2026546 AMAQI
20th Jul 2026547 AMAQI
20th Jul 2026528 AMAQI
20th Jul 2026549 AMAQI
20th Jul 20265510 AMAQI
20th Jul 20265311 AMAQI
20th Jul 20265412 PMAQI
20th Jul 2026561 PMAQI
20th Jul 2026542 PMAQI
20th Jul 2026553 PMAQI
20th Jul 2026554 PMAQI
20th Jul 2026545 PMAQI
20th Jul 2026546 PMAQI
20th Jul 2026547 PMAQI
20th Jul 2026528 PMAQI
20th Jul 2026549 PMAQI
20th Jul 20265310 PMAQI
20th Jul 20265311 PMAQI
21st Jul 20265212 AMAQI
21st Jul 2026521 AMAQI
21st Jul 2026502 AMAQI
21st Jul 2026503 AMAQI
21st Jul 2026494 AMAQI

27°C24/30°C

21st Jul 2026485 AMAQI
21st Jul 2026486 AMAQI
21st Jul 2026487 AMAQI
21st Jul 2026528 AMAQI
21st Jul 2026529 AMAQI
21st Jul 20265110 AMAQI
21st Jul 20265111 AMAQI
21st Jul 2026541 PMAQI
21st Jul 2026542 PMAQI
21st Jul 2026623 PMAQI
21st Jul 2026624 PMAQI
21st Jul 2026565 PMAQI
21st Jul 2026566 PMAQI
21st Jul 2026947 PMAQI
21st Jul 2026548 PMAQI
21st Jul 2026569 PMAQI
21st Jul 20265610 PMAQI
21st Jul 20265611 PMAQI
22nd Jul 20265612 AMAQI
22nd Jul 2026561 AMAQI
22nd Jul 2026562 AMAQI
22nd Jul 2026583 AMAQI
22nd Jul 2026564 AMAQI

27°C24/30°C

22nd Jul 2026565 AMAQI
22nd Jul 2026576 AMAQI
22nd Jul 2026577 AMAQI
22nd Jul 2026568 AMAQI
22nd Jul 2026569 AMAQI
22nd Jul 20265510 AMAQI
22nd Jul 20265611 AMAQI
22nd Jul 20266512 PMAQI
22nd Jul 2026781 PMAQI
22nd Jul 2026822 PMAQI
22nd Jul 2026733 PMAQI
22nd Jul 2026694 PMAQI
22nd Jul 2026565 PMAQI
22nd Jul 2026456 PMAQI
22nd Jul 2026477 PMAQI
22nd Jul 2026528 PMAQI
22nd Jul 2026529 PMAQI
22nd Jul 20264610 PMAQI
22nd Jul 20264311 PMAQI
23rd Jul 20264312 AMAQI
23rd Jul 2026401 AMAQI
23rd Jul 2026532 AMAQI
23rd Jul 2026623 AMAQI
23rd Jul 2026584 AMAQI

27°C24/31°C

23rd Jul 2026505 AMAQI
23rd Jul 2026476 AMAQI
23rd Jul 2026447 AMAQI
23rd Jul 2026388 AMAQI
23rd Jul 2026319 AMAQI
23rd Jul 20263610 AMAQI
23rd Jul 20263611 AMAQI
23rd Jul 20263912 PMAQI
23rd Jul 2026481 PMAQI
23rd Jul 2026522 PMAQI
23rd Jul 2026523 PMAQI
23rd Jul 2026534 PMAQI
23rd Jul 2026525 PMAQI
23rd Jul 2026496 PMAQI
23rd Jul 2026607 PMAQI
23rd Jul 2026528 PMAQI
23rd Jul 2026589 PMAQI
23rd Jul 20264710 PMAQI
23rd Jul 20264011 PMAQI
24th Jul 20264712 AMAQI
24th Jul 2026611 AMAQI
24th Jul 2026602 AMAQI
24th Jul 2026563 AMAQI
24th Jul 2026544 AMAQI

28°C24/31°C

24th Jul 2026495 AMAQI
24th Jul 2026416 AMAQI
24th Jul 2026437 AMAQI
24th Jul 2026428 AMAQI
24th Jul 2026439 AMAQI
24th Jul 20265010 AMAQI
24th Jul 20265211 AMAQI
24th Jul 20264912 PMAQI
24th Jul 2026541 PMAQI
24th Jul 2026542 PMAQI
24th Jul 2026513 PMAQI
24th Jul 2026544 PMAQI
24th Jul 2026575 PMAQI
24th Jul 2026556 PMAQI
24th Jul 2026557 PMAQI
24th Jul 2026508 PMAQI
24th Jul 2026569 PMAQI
24th Jul 20264810 PMAQI
24th Jul 20264811 PMAQI
25th Jul 20264212 AMAQI
25th Jul 2026381 AMAQI
25th Jul 2026382 AMAQI
25th Jul 2026373 AMAQI
25th Jul 2026374 AMAQI

28°C24/31°C

25th Jul 2026385 AMAQI
25th Jul 2026406 AMAQI
25th Jul 2026397 AMAQI
25th Jul 2026398 AMAQI
25th Jul 2026399 AMAQI
25th Jul 20264010 AMAQI
25th Jul 20265011 AMAQI
25th Jul 20265212 PMAQI
25th Jul 2026521 PMAQI
25th Jul 2026522 PMAQI
25th Jul 2026583 PMAQI
25th Jul 2026604 PMAQI
25th Jul 2026605 PMAQI
25th Jul 2026556 PMAQI
25th Jul 2026577 PMAQI
25th Jul 2026368 PMAQI
25th Jul 2026349 PMAQI
25th Jul 20265710 PMAQI
25th Jul 20266011 PMAQI
26th Jul 20265612 AMAQI
26th Jul 2026561 AMAQI
26th Jul 2026342 AMAQI
26th Jul 2026343 AMAQI
26th Jul 2026314 AMAQI

27°C24/31°C

26th Jul 2026505 AMAQI
26th Jul 2026536 AMAQI
26th Jul 2026487 AMAQI
26th Jul 2026508 AMAQI
26th Jul 2026489 AMAQI
26th Jul 20264110 AMAQI
26th Jul 20263211 AMAQI
26th Jul 20263312 PMAQI
26th Jul 2026311 PMAQI
26th Jul 2026292 PMAQI
26th Jul 2026283 PMAQI
26th Jul 2026234 PMAQI
26th Jul 2026275 PMAQI
26th Jul 2026276 PMAQI
26th Jul 2026297 PMAQI
26th Jul 2026318 PMAQI
26th Jul 2026309 PMAQI
26th Jul 20262710 PMAQI
26th Jul 20262611 PMAQI
27th Jul 20262612 AMAQI
27th Jul 2026271 AMAQI
27th Jul 2026272 AMAQI
27th Jul 2026283 AMAQI
27th Jul 2026264 AMAQI

27°C24/32°C

27th Jul 2026285 AMAQI
27th Jul 2026276 AMAQI
27th Jul 2026267 AMAQI
27th Jul 2026278 AMAQI
27th Jul 2026279 AMAQI
27th Jul 20263010 AMAQI
27th Jul 20264611 AMAQI
27th Jul 20265012 PMAQI
27th Jul 2026501 PMAQI
27th Jul 2026462 PMAQI
27th Jul 2026433 PMAQI
27th Jul 2026534 PMAQI
27th Jul 2026505 PMAQI
27th Jul 2026526 PMAQI
27th Jul 2026547 PMAQI
27th Jul 2026568 PMAQI
27th Jul 2026529 PMAQI
27th Jul 20264710 PMAQI
27th Jul 20264011 PMAQI
28th Jul 20264812 AMAQI
28th Jul 2026461 AMAQI
28th Jul 2026462 AMAQI
28th Jul 2026433 AMAQI
28th Jul 2026424 AMAQI

28°C25/32°C

28th Jul 2026435 AMAQI
28th Jul 2026436 AMAQI
28th Jul 2026407 AMAQI
28th Jul 2026428 AMAQI
28th Jul 2026409 AMAQI
28th Jul 20263910 AMAQI
28th Jul 20263611 AMAQI
28th Jul 20263612 PMAQI
28th Jul 2026341 PMAQI
28th Jul 2026322 PMAQI
28th Jul 2026313 PMAQI
28th Jul 2026294 PMAQI
28th Jul 2026285 PMAQI
28th Jul 2026286 PMAQI
28th Jul 2026287 PMAQI
28th Jul 2026238 PMAQI
28th Jul 2026229 PMAQI
28th Jul 20262410 PMAQI
28th Jul 20262311 PMAQI
29th Jul 20262312 AMAQI
29th Jul 2026251 AMAQI
29th Jul 2026242 AMAQI
29th Jul 2026243 AMAQI
29th Jul 2026234 AMAQI

28°C24/32°C

29th Jul 2026235 AMAQI
29th Jul 2026226 AMAQI
29th Jul 2026217 AMAQI
29th Jul 2026278 AMAQI
29th Jul 2026239 AMAQI
29th Jul 20262510 AMAQI
29th Jul 20262311 AMAQI
29th Jul 20262512 PMAQI
29th Jul 2026231 PMAQI
29th Jul 2026252 PMAQI
29th Jul 2026243 PMAQI
29th Jul 2026224 PMAQI
29th Jul 2026255 PMAQI
29th Jul 2026226 PMAQI
29th Jul 2026217 PMAQI
29th Jul 2026218 PMAQI
29th Jul 2026229 PMAQI
29th Jul 20262210 PMAQI
29th Jul 20262411 PMAQI
30th Jul 20262212 AMAQI
30th Jul 2026231 AMAQI
30th Jul 2026232 AMAQI
30th Jul 2026233 AMAQI
30th Jul 2026224 AMAQI

25°C22/28°C

30th Jul 2026215 AMAQI
30th Jul 2026226 AMAQI
30th Jul 2026227 AMAQI
30th Jul 2026218 AMAQI
30th Jul 2026239 AMAQI
30th Jul 20262110 AMAQI
30th Jul 20262111 AMAQI
30th Jul 20262212 PMAQI
30th Jul 2026221 PMAQI
30th Jul 2026232 PMAQI
30th Jul 2026223 PMAQI
30th Jul 2026234 PMAQI
30th Jul 2026235 PMAQI
30th Jul 2026246 PMAQI
30th Jul 2026247 PMAQI
30th Jul 2026228 PMAQI
30th Jul 2026239 PMAQI
30th Jul 20262210 PMAQI
30th Jul 20262311 PMAQI
31st Jul 20262312 AMAQI
31st Jul 2026221 AMAQI
31st Jul 2026222 AMAQI
31st Jul 2026243 AMAQI
31st Jul 2026224 AMAQI

28°C25/32°C

31st Jul 2026235 AMAQI
5 AM
31st Jul 2026226 AMAQI
31st Jul 2026217 AMAQI
31st Jul 2026228 AMAQI
31st Jul 2026219 AMAQI
31st Jul 20262110 AMAQI
31st Jul 20262311 AMAQI
31st Jul 20262312 PMAQI
12 PM
31st Jul 2026241 PMAQI
31st Jul 2026242 PMAQI
31st Jul 2026243 PMAQI
31st Jul 2026244 PMAQI
31st Jul 2026255 PMAQI
31st Jul 2026276 PMAQI
31st Jul 2026277 PMAQI
7 PM
31st Jul 2026288 PMAQI
31st Jul 2026279 PMAQI
31st Jul 20262710 PMAQI
31st Jul 20263111 PMAQI
12 AM
4 AM

27°C23/32°C

Day time
Avg. Highest Time
7 PM

36AQI

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

32AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 7 PM to 7 PM (Avg. 36), while the lowest AQI was between 7 AM to 7 AM (Avg. 32).
Night time
Avg. Highest Time
12 AM - 3 AM

35AQI

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

33AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 3 AM (Avg. 35), while the lowest AQI was between 4 AM to 4 AM (Avg. 33).

2026 Days Vs Air Quality

Masaki, Ehime, Japan

2026

86%

183

14%

29

Total number of days with different AQI categories in last 212 days in 2026 (153 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 212 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

Masaki, Ehime, 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
30AQI (US)
4th January 2026
40AQI (US)
5th January 2026
50AQI (US)
6th January 2026
30AQI (US)
7th January 2026
34AQI (US)
8th January 2026
38AQI (US)
9th January 2026
22AQI (US)
10th January 2026
34AQI (US)
11th January 2026
31AQI (US)
12th January 2026
22AQI (US)
13th January 2026
34AQI (US)
14th January 2026
23AQI (US)
15th January 2026
42AQI (US)
16th January 2026
58AQI (US)
17th January 2026
50AQI (US)
18th January 2026
46AQI (US)
19th January 2026
51AQI (US)
20th January 2026
26AQI (US)
21st January 2026
20AQI (US)
22nd January 2026
26AQI (US)
23rd January 2026
34AQI (US)
24th January 2026
43AQI (US)
25th January 2026
41AQI (US)
26th January 2026
18AQI (US)
27th January 2026
40AQI (US)
28th January 2026
26AQI (US)
29th January 2026
30AQI (US)
30th January 2026
21AQI (US)
31st January 2026
17AQI (US)
1st February 2026
41AQI (US)
2nd February 2026
46AQI (US)
3rd February 2026
32AQI (US)
4th February 2026
33AQI (US)
5th February 2026
38AQI (US)
6th February 2026
44AQI (US)
7th February 2026
27AQI (US)
8th February 2026
20AQI (US)
9th February 2026
37AQI (US)
10th February 2026
44AQI (US)
11th February 2026
36AQI (US)
12th February 2026
33AQI (US)
13th February 2026
30AQI (US)
14th February 2026
45AQI (US)
15th February 2026
44AQI (US)
16th February 2026
36AQI (US)
17th February 2026
22AQI (US)
18th February 2026
22AQI (US)
19th February 2026
42AQI (US)
20th February 2026
32AQI (US)
21st February 2026
65AQI (US)
22nd February 2026
31AQI (US)
23rd February 2026
47AQI (US)
24th February 2026
32AQI (US)
25th February 2026
18AQI (US)
26th February 2026
23AQI (US)
27th February 2026
50AQI (US)
28th February 2026
27AQI (US)
1st March 2026
34AQI (US)
2nd March 2026
58AQI (US)
3rd March 2026
39AQI (US)
4th March 2026
25AQI (US)
5th March 2026
46AQI (US)
6th March 2026
48AQI (US)
7th March 2026
47AQI (US)
8th March 2026
27AQI (US)
9th March 2026
35AQI (US)
10th March 2026
39AQI (US)
11th March 2026
51AQI (US)
12th March 2026
56AQI (US)
13th March 2026
37AQI (US)
14th March 2026
43AQI (US)
15th March 2026
58AQI (US)
16th March 2026
50AQI (US)
17th March 2026
42AQI (US)
18th March 2026
54AQI (US)
19th March 2026
31AQI (US)
20th March 2026
39AQI (US)
21st March 2026
38AQI (US)
22nd March 2026
44AQI (US)
23rd March 2026
32AQI (US)
24th March 2026
36AQI (US)
25th March 2026
34AQI (US)
26th March 2026
16AQI (US)
27th March 2026
32AQI (US)
28th March 2026
62AQI (US)
29th March 2026
65AQI (US)
30th March 2026
54AQI (US)
31st March 2026
23AQI (US)
1st April 2026
14AQI (US)
2nd April 2026
48AQI (US)
3rd April 2026
50AQI (US)
4th April 2026
40AQI (US)
5th April 2026
32AQI (US)
6th April 2026
48AQI (US)
7th April 2026
30AQI (US)
8th April 2026
28AQI (US)
9th April 2026
39AQI (US)
10th April 2026
32AQI (US)
11th April 2026
32AQI (US)
12th April 2026
31AQI (US)
13th April 2026
34AQI (US)
14th April 2026
52AQI (US)
15th April 2026
56AQI (US)
16th April 2026
20AQI (US)
17th April 2026
30AQI (US)
18th April 2026
36AQI (US)
19th April 2026
37AQI (US)
20th April 2026
39AQI (US)
21st April 2026
38AQI (US)
22nd April 2026
44AQI (US)
23rd April 2026
30AQI (US)
24th April 2026
21AQI (US)
25th April 2026
44AQI (US)
26th April 2026
48AQI (US)
27th April 2026
52AQI (US)
28th April 2026
49AQI (US)
29th April 2026
41AQI (US)
30th April 2026
32AQI (US)
1st May 2026
48AQI (US)
2nd May 2026
49AQI (US)
3rd May 2026
40AQI (US)
4th May 2026
30AQI (US)
5th May 2026
28AQI (US)
6th May 2026
26AQI (US)
7th May 2026
29AQI (US)
8th May 2026
27AQI (US)
9th May 2026
27AQI (US)
10th May 2026
30AQI (US)
11th May 2026
30AQI (US)
12th May 2026
27AQI (US)
13th May 2026
35AQI (US)
14th May 2026
30AQI (US)
15th May 2026
32AQI (US)
16th May 2026
78AQI (US)
17th May 2026
64AQI (US)
18th May 2026
53AQI (US)
19th May 2026
46AQI (US)
20th May 2026
60AQI (US)
21st May 2026
65AQI (US)
22nd May 2026
69AQI (US)
23rd May 2026
60AQI (US)
24th May 2026
64AQI (US)
25th May 2026
54AQI (US)
26th May 2026
41AQI (US)
27th May 2026
25AQI (US)
28th May 2026
27AQI (US)
29th May 2026
26AQI (US)
30th May 2026
25AQI (US)
31st May 2026
26AQI (US)
1st June 2026
28AQI (US)
2nd June 2026
26AQI (US)
3rd June 2026
28AQI (US)
4th June 2026
25AQI (US)
5th June 2026
23AQI (US)
6th June 2026
26AQI (US)
7th June 2026
22AQI (US)
8th June 2026
19AQI (US)
9th June 2026
24AQI (US)
10th June 2026
23AQI (US)
11th June 2026
26AQI (US)
12th June 2026
25AQI (US)
13th June 2026
26AQI (US)
14th June 2026
24AQI (US)
15th June 2026
24AQI (US)
16th June 2026
26AQI (US)
17th June 2026
25AQI (US)
18th June 2026
26AQI (US)
19th June 2026
34AQI (US)
20th June 2026
40AQI (US)
21st June 2026
22AQI (US)
22nd June 2026
19AQI (US)
23rd June 2026
22AQI (US)
24th June 2026
22AQI (US)
25th June 2026
26AQI (US)
26th June 2026
26AQI (US)
27th June 2026
26AQI (US)
28th June 2026
28AQI (US)
29th June 2026
24AQI (US)
30th June 2026
30AQI (US)
1st July 2026
34AQI (US)
2nd July 2026
18AQI (US)
3rd July 2026
28AQI (US)
4th July 2026
24AQI (US)
5th July 2026
19AQI (US)
6th July 2026
21AQI (US)
7th July 2026
25AQI (US)
8th July 2026
25AQI (US)
9th July 2026
25AQI (US)
10th July 2026
26AQI (US)
11th July 2026
28AQI (US)
12th July 2026
28AQI (US)
13th July 2026
27AQI (US)
14th July 2026
28AQI (US)
15th July 2026
26AQI (US)
16th July 2026
27AQI (US)
17th July 2026
33AQI (US)
18th July 2026
54AQI (US)
19th July 2026
56AQI (US)
20th July 2026
54AQI (US)
21st July 2026
55AQI (US)
22nd July 2026
58AQI (US)
23rd July 2026
48AQI (US)
24th July 2026
51AQI (US)
25th July 2026
46AQI (US)
26th July 2026
36AQI (US)
27th July 2026
39AQI (US)
28th July 2026
35AQI (US)
29th July 2026
23AQI (US)
30th July 2026
22AQI (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

33AQI (US)

36AQI (US)

42AQI (US)

38AQI (US)

41AQI (US)

26AQI (US)

34AQI (US)

No. of days

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

202636AQI (US)

29
2
27
1
23
8
27
3
22
9
30
25
6
183
29

Highest AQI (US) recorded in

March

42AQI (US)

Lowest AQI (US) recorded in

June

26AQI (US)

202546AQI (US)

26
5
24
4
18
13
21
9
22
9
16
14
15
16
30
1
30
8
23
7
23
20
11
237
128

Highest AQI (US) recorded in

October

55AQI (US)

Lowest AQI (US) recorded in

September

31AQI (US)

202442AQI (US)

26
4
23
6
22
9
9
20
1
20
11
24
6
29
2
19
12
23
7
29
2
24
6
31
279
85
1

Highest AQI (US) recorded in

April

58AQI (US)

Lowest AQI (US) recorded in

December

32AQI (US)

202348AQI (US)

24
5
1
24
4
13
18
10
20
18
13
6
23
1
15
16
23
8
19
11
19
12
20
9
20
11
211
150
2

Highest AQI (US) recorded in

June

59AQI (US)

Lowest AQI (US) recorded in

December

42AQI (US)

202246AQI (US)

27
4
16
6
19
12
15
15
8
23
18
12
13
9
2
24
5
24
7
23
7
30
1
217
103

Highest AQI (US) recorded in

August

63AQI (US)

Lowest AQI (US) recorded in

December

38AQI (US)

202141AQI (US)

25
6
20
8
21
8
19
2
18
13
11
19
28
3
26
5
24
6
25
6
25
5
29
2
271
83

Highest AQI (US) recorded in

June

53AQI (US)

Lowest AQI (US) recorded in

December

35AQI (US)

202041AQI (US)

9
4
17
4
15
3
18
12
26
5
15
15
1
16
3
29
2
27
3
28
3
200
54
1

Highest AQI (US) recorded in

August

58AQI (US)

Lowest AQI (US) recorded in

December

32AQI (US)

Most & Least Polluted Years Over the Last 7 Years

Most Polluted Year Recorded
2023(Avg.)
48AQI (US)
Least Polluted Year Recorded
2026(Avg.)
36AQI (US)

Masaki's annual 2026 AQI (US) (36) shows an average percentage change of -17.8% (improved AQI (US)) compared to previous years: 2020 (41), 2021 (41), 2022 (46), 2023 (48), 2024 (42), 2025 (46).