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HistoryAQIPM2.5PM10COSO2NO2O3

Uwajima, 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+

September Air Quality Analysis

Uwajima, Ehime, Japan

2021
2022
2023
2024
2025
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
1st Sep 2021
64AQI
Lowest AQI recorded on
11th Sep 2023
12AQI

Same Day Analysis (21st September ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 3rd highest AQI at 29 of Good air quality, showing improvement over 2022 and 2021 on the same day.

Download 2024 Annual Data

World Air Quality Report

Globe

Day & Night AQI Trend: 21st Sep - 22nd Sep 2025

Uwajima, Ehime, Japan

AQI
Day
Night
.

5 AM21st Sep 2025

6 PM

4 AM22nd Sep 2025

Day time
Avg. Highest Time
6AM21st Sep

32AQI

Avg. Lowest Time
12PM21st Sep

15AQI

Night time
Avg. Highest Time
3AM22nd Sep

33AQI

Avg. Lowest Time
7PM21st Sep

23AQI

In the last 24 hours,

Uwajima's AQI reached its highest point of 33 at 3 AM during the Night, while the lowest point, 15, was recorded at 12 PM during the Day between 21st Sep and 22nd Sep 2025.

Day & Night AQI Trend : Aug - Sep 2025

Uwajima, Ehime, Japan

AugSep
23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd
Day
Night
23rd Aug 2025485 AMAQI
23rd Aug 2025486 AMAQI
23rd Aug 2025487 AMAQI
23rd Aug 2025468 AMAQI
23rd Aug 2025389 AMAQI
23rd Aug 20254410 AMAQI
23rd Aug 20254211 AMAQI
23rd Aug 20254512 PMAQI
23rd Aug 2025361 PMAQI
23rd Aug 2025302 PMAQI
23rd Aug 2025383 PMAQI
23rd Aug 2025324 PMAQI
23rd Aug 2025345 PMAQI
23rd Aug 2025376 PMAQI
23rd Aug 2025447 PMAQI
23rd Aug 2025428 PMAQI
23rd Aug 2025449 PMAQI
23rd Aug 20254210 PMAQI
23rd Aug 20254411 PMAQI
24th Aug 20254012 AMAQI
24th Aug 2025461 AMAQI
24th Aug 2025462 AMAQI
24th Aug 2025463 AMAQI
24th Aug 2025464 AMAQI

27°C24/30°C

24th Aug 2025435 AMAQI
24th Aug 2025446 AMAQI
24th Aug 2025447 AMAQI
24th Aug 2025448 AMAQI
24th Aug 2025339 AMAQI
24th Aug 20252710 AMAQI
24th Aug 20253111 AMAQI
24th Aug 20252812 PMAQI
24th Aug 2025281 PMAQI
24th Aug 2025402 PMAQI
24th Aug 2025423 PMAQI
24th Aug 2025444 PMAQI
24th Aug 2025355 PMAQI
24th Aug 2025366 PMAQI
24th Aug 2025527 PMAQI
24th Aug 2025328 PMAQI
24th Aug 2025369 PMAQI
24th Aug 20253610 PMAQI
24th Aug 20253611 PMAQI
25th Aug 20254012 AMAQI
25th Aug 2025431 AMAQI
25th Aug 2025432 AMAQI
25th Aug 2025433 AMAQI
25th Aug 2025434 AMAQI

27°C24/30°C

25th Aug 2025435 AMAQI
25th Aug 2025446 AMAQI
25th Aug 2025447 AMAQI
25th Aug 2025408 AMAQI
25th Aug 2025269 AMAQI
25th Aug 20253210 AMAQI
25th Aug 20253311 AMAQI
25th Aug 20253312 PMAQI
25th Aug 2025311 PMAQI
25th Aug 2025282 PMAQI
25th Aug 2025363 PMAQI
25th Aug 2025404 PMAQI
25th Aug 2025445 PMAQI
25th Aug 2025426 PMAQI
25th Aug 2025387 PMAQI
25th Aug 2025598 PMAQI
25th Aug 2025469 PMAQI
25th Aug 20253910 PMAQI
25th Aug 20253811 PMAQI
26th Aug 20254212 AMAQI
26th Aug 2025461 AMAQI
26th Aug 2025432 AMAQI
26th Aug 2025443 AMAQI
26th Aug 2025414 AMAQI

26°C24/30°C

26th Aug 2025405 AMAQI
26th Aug 2025426 AMAQI
26th Aug 2025417 AMAQI
26th Aug 2025428 AMAQI
26th Aug 2025219 AMAQI
26th Aug 20252410 AMAQI
26th Aug 20254511 AMAQI
26th Aug 20253012 PMAQI
26th Aug 2025321 PMAQI
26th Aug 2025422 PMAQI
26th Aug 2025383 PMAQI
26th Aug 2025344 PMAQI
26th Aug 2025365 PMAQI
26th Aug 2025366 PMAQI
26th Aug 2025407 PMAQI
26th Aug 2025488 PMAQI
26th Aug 2025429 PMAQI
26th Aug 20254410 PMAQI
26th Aug 20254411 PMAQI
27th Aug 20254412 AMAQI
27th Aug 2025441 AMAQI
27th Aug 2025402 AMAQI
27th Aug 2025403 AMAQI
27th Aug 2025424 AMAQI

26°C23/29°C

27th Aug 2025415 AMAQI
27th Aug 2025416 AMAQI
27th Aug 2025407 AMAQI
27th Aug 2025408 AMAQI
27th Aug 2025549 AMAQI
27th Aug 20253810 AMAQI
27th Aug 20255211 AMAQI
27th Aug 20254112 PMAQI
27th Aug 2025441 PMAQI
27th Aug 2025512 PMAQI
27th Aug 2025393 PMAQI
27th Aug 2025614 PMAQI
27th Aug 2025355 PMAQI
27th Aug 2025446 PMAQI
27th Aug 2025547 PMAQI
27th Aug 2025448 PMAQI
27th Aug 2025339 PMAQI
27th Aug 20253910 PMAQI
27th Aug 20253811 PMAQI
28th Aug 20253212 AMAQI
28th Aug 2025421 AMAQI
28th Aug 2025402 AMAQI
28th Aug 2025413 AMAQI
28th Aug 2025444 AMAQI

26°C23/30°C

28th Aug 2025415 AMAQI
28th Aug 2025426 AMAQI
28th Aug 2025437 AMAQI
28th Aug 2025438 AMAQI
28th Aug 2025349 AMAQI
28th Aug 20254410 AMAQI
28th Aug 20254111 AMAQI
28th Aug 20253412 PMAQI
28th Aug 2025361 PMAQI
28th Aug 2025402 PMAQI
28th Aug 2025403 PMAQI
28th Aug 2025474 PMAQI
28th Aug 2025425 PMAQI
28th Aug 2025486 PMAQI
28th Aug 2025507 PMAQI
28th Aug 2025448 PMAQI
28th Aug 2025399 PMAQI
28th Aug 20254210 PMAQI
28th Aug 20254211 PMAQI
29th Aug 20254012 AMAQI
29th Aug 2025391 AMAQI
29th Aug 2025392 AMAQI
29th Aug 2025403 AMAQI
29th Aug 2025404 AMAQI

26°C23/30°C

29th Aug 2025415 AMAQI
29th Aug 2025416 AMAQI
29th Aug 2025407 AMAQI
29th Aug 2025408 AMAQI
29th Aug 2025409 AMAQI
29th Aug 20254710 AMAQI
29th Aug 20254011 AMAQI
29th Aug 20254412 PMAQI
29th Aug 2025491 PMAQI
29th Aug 2025482 PMAQI
29th Aug 2025503 PMAQI
29th Aug 2025584 PMAQI
29th Aug 2025515 PMAQI
29th Aug 2025546 PMAQI
29th Aug 2025567 PMAQI
29th Aug 2025508 PMAQI
29th Aug 2025509 PMAQI
29th Aug 20255410 PMAQI
29th Aug 20254711 PMAQI
30th Aug 20254912 AMAQI
30th Aug 2025461 AMAQI
30th Aug 2025412 AMAQI
30th Aug 2025423 AMAQI
30th Aug 2025414 AMAQI

26°C23/30°C

30th Aug 2025415 AMAQI
30th Aug 2025436 AMAQI
30th Aug 2025427 AMAQI
30th Aug 2025428 AMAQI
30th Aug 2025319 AMAQI
30th Aug 20254610 AMAQI
30th Aug 20254411 AMAQI
30th Aug 20254012 PMAQI
30th Aug 2025441 PMAQI
30th Aug 2025542 PMAQI
30th Aug 2025543 PMAQI
30th Aug 2025594 PMAQI
30th Aug 2025555 PMAQI
30th Aug 2025566 PMAQI
30th Aug 2025557 PMAQI
30th Aug 2025488 PMAQI
30th Aug 2025459 PMAQI
30th Aug 20254610 PMAQI
30th Aug 20254311 PMAQI
31st Aug 20254412 AMAQI
31st Aug 2025411 AMAQI
31st Aug 2025422 AMAQI
31st Aug 2025453 AMAQI
31st Aug 2025444 AMAQI

26°C23/30°C

31st Aug 2025455 AMAQI
31st Aug 2025456 AMAQI
31st Aug 2025467 AMAQI
31st Aug 2025478 AMAQI
31st Aug 2025389 AMAQI
31st Aug 20252610 AMAQI
31st Aug 20252811 AMAQI
31st Aug 20252912 PMAQI
31st Aug 2025291 PMAQI
31st Aug 2025332 PMAQI
31st Aug 2025283 PMAQI
31st Aug 2025344 PMAQI
31st Aug 2025445 PMAQI
31st Aug 2025326 PMAQI
31st Aug 2025327 PMAQI
31st Aug 2025368 PMAQI
31st Aug 2025389 PMAQI
31st Aug 20254010 PMAQI
31st Aug 20254011 PMAQI
1st Sep 20253912 AMAQI
1st Sep 2025431 AMAQI
1st Sep 2025462 AMAQI
1st Sep 2025463 AMAQI
1st Sep 2025454 AMAQI

26°C23/30°C

1st Sep 2025455 AMAQI
1st Sep 2025446 AMAQI
1st Sep 2025457 AMAQI
1st Sep 2025468 AMAQI
1st Sep 2025229 AMAQI
1st Sep 20253010 AMAQI
1st Sep 20252111 AMAQI
1st Sep 20252112 PMAQI
1st Sep 2025261 PMAQI
1st Sep 2025242 PMAQI
1st Sep 2025303 PMAQI
1st Sep 2025284 PMAQI
1st Sep 2025265 PMAQI
1st Sep 2025356 PMAQI
1st Sep 2025347 PMAQI
1st Sep 2025488 PMAQI
1st Sep 2025329 PMAQI
1st Sep 20253610 PMAQI
1st Sep 20254011 PMAQI
2nd Sep 20253612 AMAQI
2nd Sep 2025401 AMAQI
2nd Sep 2025442 AMAQI
2nd Sep 2025443 AMAQI
2nd Sep 2025424 AMAQI

27°C24/31°C

2nd Sep 2025405 AMAQI
2nd Sep 2025406 AMAQI
2nd Sep 2025407 AMAQI
2nd Sep 2025418 AMAQI
2nd Sep 2025289 AMAQI
2nd Sep 20252210 AMAQI
2nd Sep 20252211 AMAQI
2nd Sep 20251612 PMAQI
2nd Sep 2025181 PMAQI
2nd Sep 2025242 PMAQI
2nd Sep 2025193 PMAQI
2nd Sep 2025234 PMAQI
2nd Sep 2025195 PMAQI
2nd Sep 2025216 PMAQI
2nd Sep 2025257 PMAQI
2nd Sep 2025288 PMAQI
2nd Sep 2025339 PMAQI
2nd Sep 20253310 PMAQI
2nd Sep 20253411 PMAQI
3rd Sep 20253112 AMAQI
3rd Sep 2025381 AMAQI
3rd Sep 2025412 AMAQI
3rd Sep 2025413 AMAQI
3rd Sep 2025404 AMAQI

26°C23/31°C

3rd Sep 2025385 AMAQI
3rd Sep 2025416 AMAQI
3rd Sep 2025387 AMAQI
3rd Sep 2025388 AMAQI
3rd Sep 2025269 AMAQI
3rd Sep 20252810 AMAQI
3rd Sep 20253111 AMAQI
3rd Sep 20253612 PMAQI
3rd Sep 2025381 PMAQI
3rd Sep 2025322 PMAQI
3rd Sep 2025223 PMAQI
3rd Sep 2025284 PMAQI
3rd Sep 2025285 PMAQI
3rd Sep 2025316 PMAQI
3rd Sep 2025337 PMAQI
3rd Sep 2025378 PMAQI
3rd Sep 2025389 PMAQI
3rd Sep 20253410 PMAQI
3rd Sep 20253311 PMAQI
4th Sep 20253312 AMAQI
4th Sep 2025351 AMAQI
4th Sep 2025392 AMAQI
4th Sep 2025393 AMAQI
4th Sep 2025404 AMAQI

26°C23/30°C

4th Sep 2025365 AMAQI
4th Sep 2025376 AMAQI
4th Sep 2025387 AMAQI
4th Sep 2025388 AMAQI
4th Sep 2025199 AMAQI
4th Sep 20252510 AMAQI
4th Sep 20251911 AMAQI
4th Sep 20252412 PMAQI
4th Sep 2025171 PMAQI
4th Sep 2025222 PMAQI
4th Sep 2025193 PMAQI
4th Sep 2025214 PMAQI
4th Sep 2025215 PMAQI
4th Sep 2025356 PMAQI
4th Sep 2025297 PMAQI
4th Sep 2025258 PMAQI
4th Sep 2025259 PMAQI
4th Sep 20251110 PMAQI
4th Sep 20251111 PMAQI
5th Sep 20251112 AMAQI
5th Sep 2025211 AMAQI
5th Sep 2025362 AMAQI
5th Sep 2025383 AMAQI
5th Sep 2025344 AMAQI

24°C23/25°C

5th Sep 2025355 AMAQI
5th Sep 2025346 AMAQI
5th Sep 2025347 AMAQI
5th Sep 2025358 AMAQI
5th Sep 2025169 AMAQI
5th Sep 20251610 AMAQI
5th Sep 20251711 AMAQI
5th Sep 20251712 PMAQI
5th Sep 2025241 PMAQI
5th Sep 2025192 PMAQI
5th Sep 2025213 PMAQI
5th Sep 2025234 PMAQI
5th Sep 2025195 PMAQI
5th Sep 2025206 PMAQI
5th Sep 2025247 PMAQI
5th Sep 2025218 PMAQI
5th Sep 2025229 PMAQI
5th Sep 20252110 PMAQI
5th Sep 20252211 PMAQI
6th Sep 20252112 AMAQI
6th Sep 2025211 AMAQI
6th Sep 2025232 AMAQI
6th Sep 2025223 AMAQI
6th Sep 2025244 AMAQI

26°C24/29°C

6th Sep 2025255 AMAQI
6th Sep 2025266 AMAQI
6th Sep 2025267 AMAQI
6th Sep 2025268 AMAQI
6th Sep 2025229 AMAQI
6th Sep 20252310 AMAQI
6th Sep 20253111 AMAQI
6th Sep 20252212 PMAQI
6th Sep 2025301 PMAQI
6th Sep 2025212 PMAQI
6th Sep 2025253 PMAQI
6th Sep 2025314 PMAQI
6th Sep 2025295 PMAQI
6th Sep 2025316 PMAQI
6th Sep 2025287 PMAQI
6th Sep 2025298 PMAQI
6th Sep 2025269 PMAQI
6th Sep 20252710 PMAQI
6th Sep 20252611 PMAQI
7th Sep 20252712 AMAQI
7th Sep 2025241 AMAQI
7th Sep 2025242 AMAQI
7th Sep 2025233 AMAQI
7th Sep 2025254 AMAQI

26°C23/30°C

7th Sep 2025245 AMAQI
7th Sep 2025246 AMAQI
7th Sep 2025247 AMAQI
7th Sep 2025248 AMAQI
7th Sep 2025339 AMAQI
7th Sep 20253510 AMAQI
7th Sep 20253111 AMAQI
7th Sep 20253912 PMAQI
7th Sep 2025421 PMAQI
7th Sep 2025402 PMAQI
7th Sep 2025343 PMAQI
7th Sep 2025294 PMAQI
7th Sep 2025395 PMAQI
7th Sep 2025386 PMAQI
7th Sep 2025287 PMAQI
7th Sep 2025398 PMAQI
7th Sep 2025289 PMAQI
7th Sep 20253110 PMAQI
7th Sep 20253011 PMAQI
8th Sep 20252812 AMAQI
8th Sep 2025261 AMAQI
8th Sep 2025252 AMAQI
8th Sep 2025243 AMAQI
8th Sep 2025254 AMAQI

27°C23/31°C

8th Sep 2025275 AMAQI
8th Sep 2025266 AMAQI
8th Sep 2025267 AMAQI
8th Sep 2025268 AMAQI
8th Sep 2025229 AMAQI
8th Sep 20253610 AMAQI
8th Sep 20252811 AMAQI
8th Sep 20252512 PMAQI
8th Sep 2025261 PMAQI
8th Sep 2025352 PMAQI
8th Sep 2025343 PMAQI
8th Sep 2025264 PMAQI
8th Sep 2025295 PMAQI
8th Sep 2025256 PMAQI
8th Sep 2025277 PMAQI
8th Sep 2025318 PMAQI
8th Sep 2025289 PMAQI
8th Sep 20252410 PMAQI
8th Sep 20252611 PMAQI
9th Sep 20253412 AMAQI
9th Sep 2025281 AMAQI
9th Sep 2025292 AMAQI
9th Sep 2025293 AMAQI
9th Sep 2025284 AMAQI

27°C24/31°C

9th Sep 2025305 AMAQI
9th Sep 2025306 AMAQI
9th Sep 2025287 AMAQI
9th Sep 2025288 AMAQI
9th Sep 2025229 AMAQI
9th Sep 20252810 AMAQI
9th Sep 20254411 AMAQI
9th Sep 20252812 PMAQI
9th Sep 2025361 PMAQI
9th Sep 2025332 PMAQI
9th Sep 2025213 PMAQI
9th Sep 2025274 PMAQI
9th Sep 2025335 PMAQI
9th Sep 2025246 PMAQI
9th Sep 2025387 PMAQI
9th Sep 2025248 PMAQI
9th Sep 2025219 PMAQI
9th Sep 20252210 PMAQI
9th Sep 20252811 PMAQI
10th Sep 20252712 AMAQI
10th Sep 2025271 AMAQI
10th Sep 2025302 AMAQI
10th Sep 2025303 AMAQI
10th Sep 2025304 AMAQI

27°C24/31°C

10th Sep 2025295 AMAQI
10th Sep 2025306 AMAQI
10th Sep 2025307 AMAQI
10th Sep 2025308 AMAQI
10th Sep 2025289 AMAQI
10th Sep 20252910 AMAQI
10th Sep 20254011 AMAQI
10th Sep 20253512 PMAQI
10th Sep 2025301 PMAQI
10th Sep 2025272 PMAQI
10th Sep 2025283 PMAQI
10th Sep 2025234 PMAQI
10th Sep 2025225 PMAQI
10th Sep 2025246 PMAQI
10th Sep 2025257 PMAQI
10th Sep 2025268 PMAQI
10th Sep 2025269 PMAQI
10th Sep 20252810 PMAQI
10th Sep 20252611 PMAQI
11th Sep 20252712 AMAQI
11th Sep 2025311 AMAQI
11th Sep 2025312 AMAQI
11th Sep 2025343 AMAQI
11th Sep 2025324 AMAQI

25°C23/29°C

11th Sep 2025305 AMAQI
11th Sep 2025316 AMAQI
11th Sep 2025327 AMAQI
11th Sep 2025328 AMAQI
11th Sep 2025299 AMAQI
11th Sep 20252710 AMAQI
11th Sep 20252411 AMAQI
11th Sep 20253012 PMAQI
11th Sep 2025271 PMAQI
11th Sep 2025272 PMAQI
11th Sep 2025263 PMAQI
11th Sep 2025294 PMAQI
11th Sep 2025235 PMAQI
11th Sep 2025266 PMAQI
11th Sep 2025287 PMAQI
11th Sep 2025328 PMAQI
11th Sep 2025329 PMAQI
11th Sep 20252810 PMAQI
11th Sep 20252611 PMAQI
12th Sep 20252612 AMAQI
12th Sep 2025301 AMAQI
12th Sep 2025322 AMAQI
12th Sep 2025323 AMAQI
12th Sep 2025334 AMAQI

24°C22/26°C

12th Sep 2025315 AMAQI
12th Sep 2025326 AMAQI
12th Sep 2025327 AMAQI
12th Sep 2025328 AMAQI
12th Sep 2025219 AMAQI
12th Sep 20252010 AMAQI
12th Sep 20251711 AMAQI
12th Sep 20251912 PMAQI
12th Sep 2025211 PMAQI
12th Sep 2025282 PMAQI
12th Sep 2025263 PMAQI
12th Sep 2025234 PMAQI
12th Sep 2025285 PMAQI
12th Sep 2025286 PMAQI
12th Sep 2025297 PMAQI
12th Sep 2025228 PMAQI
12th Sep 2025289 PMAQI
12th Sep 20252510 PMAQI
12th Sep 20252411 PMAQI
13th Sep 20252512 AMAQI
13th Sep 2025321 AMAQI
13th Sep 2025322 AMAQI
13th Sep 2025303 AMAQI
13th Sep 2025304 AMAQI

25°C22/28°C

13th Sep 2025325 AMAQI
13th Sep 2025306 AMAQI
13th Sep 2025307 AMAQI
13th Sep 2025308 AMAQI
13th Sep 2025159 AMAQI
13th Sep 20252310 AMAQI
13th Sep 20253611 AMAQI
13th Sep 20252812 PMAQI
13th Sep 2025301 PMAQI
13th Sep 2025302 PMAQI
13th Sep 2025283 PMAQI
13th Sep 2025364 PMAQI
13th Sep 2025305 PMAQI
13th Sep 2025386 PMAQI
13th Sep 2025497 PMAQI
13th Sep 2025298 PMAQI
13th Sep 2025309 PMAQI
13th Sep 20253010 PMAQI
13th Sep 20253011 PMAQI
14th Sep 20252912 AMAQI
14th Sep 2025301 AMAQI
14th Sep 2025302 AMAQI
14th Sep 2025303 AMAQI
14th Sep 2025324 AMAQI

26°C23/29°C

14th Sep 2025315 AMAQI
14th Sep 2025316 AMAQI
14th Sep 2025317 AMAQI
14th Sep 2025328 AMAQI
14th Sep 2025249 AMAQI
14th Sep 20252010 AMAQI
14th Sep 20251811 AMAQI
14th Sep 20251912 PMAQI
14th Sep 2025181 PMAQI
14th Sep 2025162 PMAQI
14th Sep 2025243 PMAQI
14th Sep 2025234 PMAQI
14th Sep 2025315 PMAQI
14th Sep 2025356 PMAQI
14th Sep 2025287 PMAQI
14th Sep 2025268 PMAQI
14th Sep 2025299 PMAQI
14th Sep 20253110 PMAQI
14th Sep 20252911 PMAQI
15th Sep 20252812 AMAQI
15th Sep 2025321 AMAQI
15th Sep 2025332 AMAQI
15th Sep 2025333 AMAQI
15th Sep 2025304 AMAQI

26°C24/30°C

15th Sep 2025305 AMAQI
15th Sep 2025306 AMAQI
15th Sep 2025307 AMAQI
15th Sep 2025298 AMAQI
15th Sep 2025219 AMAQI
15th Sep 20252510 AMAQI
15th Sep 20252911 AMAQI
15th Sep 20253412 PMAQI
15th Sep 2025361 PMAQI
15th Sep 2025422 PMAQI
15th Sep 2025343 PMAQI
15th Sep 2025364 PMAQI
15th Sep 2025385 PMAQI
15th Sep 2025366 PMAQI
15th Sep 2025417 PMAQI
15th Sep 2025388 PMAQI
15th Sep 2025309 PMAQI
15th Sep 20252810 PMAQI
15th Sep 20253011 PMAQI
16th Sep 20253112 AMAQI
16th Sep 2025331 AMAQI
16th Sep 2025292 AMAQI
16th Sep 2025303 AMAQI
16th Sep 2025304 AMAQI

26°C24/30°C

16th Sep 2025305 AMAQI
16th Sep 2025326 AMAQI
16th Sep 2025317 AMAQI
16th Sep 2025318 AMAQI
16th Sep 2025339 AMAQI
16th Sep 20254610 AMAQI
16th Sep 20254411 AMAQI
16th Sep 20254312 PMAQI
16th Sep 2025521 PMAQI
16th Sep 2025552 PMAQI
16th Sep 2025573 PMAQI
16th Sep 2025554 PMAQI
16th Sep 2025535 PMAQI
16th Sep 2025546 PMAQI
16th Sep 2025547 PMAQI
16th Sep 2025528 PMAQI
16th Sep 2025489 PMAQI
16th Sep 20254810 PMAQI
16th Sep 20254311 PMAQI
17th Sep 20254912 AMAQI
17th Sep 2025361 AMAQI
17th Sep 2025322 AMAQI
17th Sep 2025323 AMAQI
17th Sep 2025324 AMAQI

26°C24/30°C

17th Sep 2025355 AMAQI
17th Sep 2025356 AMAQI
17th Sep 2025357 AMAQI
17th Sep 2025358 AMAQI
17th Sep 2025549 AMAQI
17th Sep 20256110 AMAQI
17th Sep 20255811 AMAQI
17th Sep 20256112 PMAQI
17th Sep 2025601 PMAQI
17th Sep 2025522 PMAQI
17th Sep 2025363 PMAQI
17th Sep 2025324 PMAQI
17th Sep 2025385 PMAQI
17th Sep 2025456 PMAQI
17th Sep 2025337 PMAQI
17th Sep 2025408 PMAQI
17th Sep 2025349 PMAQI
17th Sep 20255410 PMAQI
17th Sep 20255011 PMAQI
18th Sep 20254512 AMAQI
18th Sep 2025421 AMAQI
18th Sep 2025342 AMAQI
18th Sep 2025353 AMAQI
18th Sep 2025364 AMAQI

26°C24/30°C

18th Sep 2025415 AMAQI
18th Sep 2025406 AMAQI
18th Sep 2025427 AMAQI
18th Sep 2025428 AMAQI
18th Sep 2025339 AMAQI
18th Sep 20253010 AMAQI
18th Sep 20253211 AMAQI
18th Sep 20252612 PMAQI
18th Sep 2025241 PMAQI
18th Sep 2025242 PMAQI
18th Sep 2025193 PMAQI
18th Sep 2025184 PMAQI
18th Sep 2025225 PMAQI
18th Sep 2025246 PMAQI
18th Sep 2025247 PMAQI
18th Sep 2025268 PMAQI
18th Sep 2025309 PMAQI
18th Sep 20252810 PMAQI
18th Sep 20253011 PMAQI
19th Sep 20252912 AMAQI
19th Sep 2025311 AMAQI
19th Sep 2025382 AMAQI
19th Sep 2025393 AMAQI
19th Sep 2025374 AMAQI

26°C23/29°C

19th Sep 2025355 AMAQI
19th Sep 2025356 AMAQI
19th Sep 2025377 AMAQI
19th Sep 2025368 AMAQI
19th Sep 2025229 AMAQI
19th Sep 20251810 AMAQI
19th Sep 20251811 AMAQI
19th Sep 20252012 PMAQI
19th Sep 2025231 PMAQI
19th Sep 2025232 PMAQI
19th Sep 2025243 PMAQI
19th Sep 2025304 PMAQI
19th Sep 2025285 PMAQI
19th Sep 2025286 PMAQI
19th Sep 2025297 PMAQI
19th Sep 2025318 PMAQI
19th Sep 2025339 PMAQI
19th Sep 20253210 PMAQI
19th Sep 20253211 PMAQI
20th Sep 20252912 AMAQI
20th Sep 2025301 AMAQI
20th Sep 2025312 AMAQI
20th Sep 2025313 AMAQI
20th Sep 2025324 AMAQI

24°C22/26°C

20th Sep 2025295 AMAQI
20th Sep 2025286 AMAQI
20th Sep 2025297 AMAQI
20th Sep 2025298 AMAQI
20th Sep 2025269 AMAQI
20th Sep 20253010 AMAQI
20th Sep 20254311 AMAQI
20th Sep 20254812 PMAQI
20th Sep 2025391 PMAQI
20th Sep 2025492 PMAQI
20th Sep 2025593 PMAQI
20th Sep 2025674 PMAQI
20th Sep 2025705 PMAQI
20th Sep 2025626 PMAQI
20th Sep 2025657 PMAQI
20th Sep 2025598 PMAQI
20th Sep 2025389 PMAQI
20th Sep 20253510 PMAQI
20th Sep 20253511 PMAQI
21st Sep 20253412 AMAQI
21st Sep 2025311 AMAQI
21st Sep 2025282 AMAQI
21st Sep 2025293 AMAQI
21st Sep 2025304 AMAQI

24°C22/28°C

21st Sep 2025315 AMAQI
21st Sep 2025326 AMAQI
21st Sep 2025317 AMAQI
21st Sep 2025318 AMAQI
21st Sep 2025229 AMAQI
21st Sep 20251510 AMAQI
21st Sep 20251611 AMAQI
21st Sep 20251512 PMAQI
21st Sep 2025181 PMAQI
21st Sep 2025202 PMAQI
21st Sep 2025253 PMAQI
21st Sep 2025254 PMAQI
21st Sep 2025245 PMAQI
21st Sep 2025236 PMAQI
21st Sep 2025237 PMAQI
21st Sep 2025288 PMAQI
21st Sep 2025309 PMAQI
21st Sep 20252910 PMAQI
21st Sep 20252811 PMAQI
22nd Sep 20252912 AMAQI
22nd Sep 2025301 AMAQI
22nd Sep 2025322 AMAQI
22nd Sep 2025333 AMAQI
22nd Sep 2025324 AMAQI

24°C21/28°C

22nd Sep 2025315 AMAQI
5 AM
22nd Sep 2025316 AMAQI
22nd Sep 2025317 AMAQI
22nd Sep 2025318 AMAQI
22nd Sep 2025219 AMAQI
22nd Sep 20251810 AMAQI
22nd Sep 20251711 AMAQI
11 AM
22nd Sep 20252012 PMAQI
22nd Sep 2025241 PMAQI
22nd Sep 2025272 PMAQI
22nd Sep 2025273 PMAQI
22nd Sep 2025264 PMAQI
6 PM
11 PM
4 AM

--°C/°C

Day time
Avg. Highest Time
5 AM - 8 AM

36AQI

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

28AQI

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. 36), while the lowest AQI was between 9 AM to 9 AM (Avg. 28).
Night time
Avg. Highest Time
12 AM - 8 PM

36AQI

7 hours / Day
210 hours / Month
Avg. Lowest Time
12 AM - 11 PM

35AQI

10 hours / Day
300 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 8 PM (Avg. 36), while the lowest AQI was between 12 AM to 11 PM (Avg. 35).

2025 Days Vs Air Quality

Uwajima, Ehime, Japan

2025

79%

208

21%

56

Total number of days with different AQI categories in last 265 days in 2025 (100 days remaining)

Good
208 Days
Moderate
56 Days
Poor
0 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 79%

Health Risk Level:

Low

In 2025, 79% of 265 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

Uwajima, Ehime, Japan

AQI levels in 2025

AQI
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 2025
-1th undefined 2025
-1th undefined 2025
1st January 2025
26AQI
2nd January 2025
33AQI
3rd January 2025
30AQI
4th January 2025
30AQI
5th January 2025
30AQI
6th January 2025
40AQI
7th January 2025
31AQI
8th January 2025
32AQI
9th January 2025
26AQI
10th January 2025
23AQI
11th January 2025
26AQI
12th January 2025
28AQI
13th January 2025
43AQI
14th January 2025
44AQI
15th January 2025
43AQI
16th January 2025
36AQI
17th January 2025
39AQI
18th January 2025
30AQI
19th January 2025
43AQI
20th January 2025
33AQI
21st January 2025
56AQI
22nd January 2025
55AQI
23rd January 2025
58AQI
24th January 2025
61AQI
25th January 2025
43AQI
26th January 2025
36AQI
27th January 2025
33AQI
28th January 2025
30AQI
29th January 2025
29AQI
30th January 2025
40AQI
31st January 2025
50AQI
1st February 2025
44AQI
2nd February 2025
35AQI
3rd February 2025
48AQI
4th February 2025
30AQI
5th February 2025
34AQI
6th February 2025
25AQI
7th February 2025
35AQI
8th February 2025
24AQI
9th February 2025
27AQI
10th February 2025
29AQI
11th February 2025
32AQI
12th February 2025
32AQI
13th February 2025
30AQI
14th February 2025
34AQI
15th February 2025
29AQI
16th February 2025
30AQI
17th February 2025
41AQI
18th February 2025
29AQI
19th February 2025
33AQI
20th February 2025
27AQI
21st February 2025
34AQI
22nd February 2025
39AQI
23rd February 2025
34AQI
24th February 2025
40AQI
25th February 2025
33AQI
26th February 2025
41AQI
27th February 2025
61AQI
28th February 2025
53AQI
1st March 2025
67AQI
2nd March 2025
62AQI
3rd March 2025
39AQI
4th March 2025
34AQI
5th March 2025
30AQI
6th March 2025
27AQI
7th March 2025
30AQI
8th March 2025
38AQI
9th March 2025
34AQI
10th March 2025
39AQI
11th March 2025
46AQI
12th March 2025
39AQI
13th March 2025
49AQI
14th March 2025
47AQI
15th March 2025
37AQI
16th March 2025
25AQI
17th March 2025
47AQI
18th March 2025
31AQI
19th March 2025
42AQI
20th March 2025
44AQI
21st March 2025
55AQI
22nd March 2025
60AQI
23rd March 2025
64AQI
24th March 2025
59AQI
25th March 2025
69AQI
26th March 2025
71AQI
27th March 2025
53AQI
28th March 2025
58AQI
29th March 2025
51AQI
30th March 2025
45AQI
31st March 2025
40AQI
1st April 2025
42AQI
2nd April 2025
30AQI
3rd April 2025
28AQI
4th April 2025
29AQI
5th April 2025
39AQI
6th April 2025
44AQI
7th April 2025
42AQI
8th April 2025
40AQI
9th April 2025
56AQI
10th April 2025
50AQI
11th April 2025
55AQI
12th April 2025
55AQI
13th April 2025
47AQI
14th April 2025
50AQI
15th April 2025
32AQI
16th April 2025
45AQI
17th April 2025
47AQI
18th April 2025
57AQI
19th April 2025
51AQI
20th April 2025
37AQI
21st April 2025
40AQI
22nd April 2025
35AQI
23rd April 2025
25AQI
24th April 2025
29AQI
25th April 2025
51AQI
26th April 2025
52AQI
27th April 2025
53AQI
28th April 2025
41AQI
29th April 2025
45AQI
30th April 2025
49AQI
1st May 2025
46AQI
2nd May 2025
39AQI
3rd May 2025
43AQI
4th May 2025
37AQI
5th May 2025
40AQI
6th May 2025
26AQI
7th May 2025
32AQI
8th May 2025
33AQI
9th May 2025
28AQI
10th May 2025
32AQI
11th May 2025
34AQI
12th May 2025
48AQI
13th May 2025
52AQI
14th May 2025
57AQI
15th May 2025
52AQI
16th May 2025
51AQI
17th May 2025
42AQI
18th May 2025
49AQI
19th May 2025
58AQI
20th May 2025
60AQI
21st May 2025
37AQI
22nd May 2025
38AQI
23rd May 2025
45AQI
24th May 2025
30AQI
25th May 2025
26AQI
26th May 2025
31AQI
27th May 2025
36AQI
28th May 2025
35AQI
29th May 2025
32AQI
30th May 2025
35AQI
31st May 2025
36AQI
1st June 2025
43AQI
2nd June 2025
48AQI
3rd June 2025
29AQI
4th June 2025
46AQI
5th June 2025
41AQI
6th June 2025
51AQI
7th June 2025
53AQI
8th June 2025
56AQI
9th June 2025
37AQI
10th June 2025
30AQI
11th June 2025
32AQI
12th June 2025
39AQI
13th June 2025
38AQI
14th June 2025
31AQI
15th June 2025
29AQI
16th June 2025
34AQI
17th June 2025
32AQI
18th June 2025
39AQI
19th June 2025
41AQI
20th June 2025
49AQI
21st June 2025
57AQI
22nd June 2025
71AQI
23rd June 2025
62AQI
24th June 2025
51AQI
25th June 2025
49AQI
26th June 2025
52AQI
27th June 2025
49AQI
28th June 2025
51AQI
29th June 2025
52AQI
30th June 2025
55AQI
1st July 2025
55AQI
2nd July 2025
60AQI
3rd July 2025
71AQI
4th July 2025
76AQI
5th July 2025
80AQI
6th July 2025
66AQI
7th July 2025
63AQI
8th July 2025
68AQI
9th July 2025
73AQI
10th July 2025
71AQI
11th July 2025
56AQI
12th July 2025
54AQI
13th July 2025
48AQI
14th July 2025
46AQI
15th July 2025
54AQI
16th July 2025
55AQI
17th July 2025
46AQI
18th July 2025
44AQI
19th July 2025
41AQI
20th July 2025
38AQI
21st July 2025
35AQI
22nd July 2025
33AQI
23rd July 2025
31AQI
24th July 2025
30AQI
25th July 2025
29AQI
26th July 2025
26AQI
27th July 2025
26AQI
28th July 2025
27AQI
29th July 2025
25AQI
30th July 2025
26AQI
31st July 2025
30AQI
1st August 2025
40AQI
2nd August 2025
43AQI
3rd August 2025
46AQI
4th August 2025
50AQI
5th August 2025
44AQI
6th August 2025
42AQI
7th August 2025
44AQI
8th August 2025
45AQI
9th August 2025
41AQI
10th August 2025
46AQI
11th August 2025
34AQI
12th August 2025
31AQI
13th August 2025
36AQI
14th August 2025
42AQI
15th August 2025
42AQI
16th August 2025
38AQI
17th August 2025
37AQI
18th August 2025
41AQI
19th August 2025
50AQI
20th August 2025
45AQI
21st August 2025
43AQI
22nd August 2025
44AQI
23rd August 2025
43AQI
24th August 2025
39AQI
25th August 2025
40AQI
26th August 2025
40AQI
27th August 2025
44AQI
28th August 2025
40AQI
29th August 2025
46AQI
30th August 2025
47AQI
31st August 2025
39AQI
1st September 2025
36AQI
2nd September 2025
32AQI
3rd September 2025
33AQI
4th September 2025
29AQI
5th September 2025
21AQI
6th September 2025
25AQI
7th September 2025
29AQI
8th September 2025
27AQI
9th September 2025
30AQI
10th September 2025
30AQI
11th September 2025
29AQI
12th September 2025
27AQI
13th September 2025
30AQI
14th September 2025
28AQI
15th September 2025
31AQI
16th September 2025
42AQI
17th September 2025
42AQI
18th September 2025
31AQI
19th September 2025
30AQI
20th September 2025
39AQI
21st September 2025
29AQI
22nd September 2025
23rd September 2025
24th September 2025
25th September 2025
26th September 2025
27th September 2025
28th September 2025
29th September 2025
30th September 2025
1st October 2025
2nd October 2025
3rd October 2025
4th October 2025
5th October 2025
6th October 2025
7th October 2025
8th October 2025
9th October 2025
10th October 2025
11th October 2025
12th October 2025
13th October 2025
14th October 2025
15th October 2025
16th October 2025
17th October 2025
18th October 2025
19th October 2025
20th October 2025
21st October 2025
22nd October 2025
23rd October 2025
24th October 2025
25th October 2025
26th October 2025
27th October 2025
28th October 2025
29th October 2025
30th October 2025
31st October 2025
1st November 2025
2nd November 2025
3rd November 2025
4th November 2025
5th November 2025
6th November 2025
7th November 2025
8th November 2025
9th November 2025
10th November 2025
11th November 2025
12th November 2025
13th November 2025
14th November 2025
15th November 2025
16th November 2025
17th November 2025
18th November 2025
19th November 2025
20th November 2025
21st November 2025
22nd November 2025
23rd November 2025
24th November 2025
25th November 2025
26th November 2025
27th November 2025
28th November 2025
29th November 2025
30th November 2025
1st December 2025
2nd December 2025
3rd December 2025
4th December 2025
5th December 2025
6th December 2025
7th December 2025
8th December 2025
9th December 2025
10th December 2025
11th December 2025
12th December 2025
13th December 2025
14th December 2025
15th December 2025
16th December 2025
17th December 2025
18th December 2025
19th December 2025
20th December 2025
21st December 2025
22nd December 2025
23rd December 2025
24th December 2025
25th December 2025
26th December 2025
27th December 2025
28th December 2025
29th December 2025
30th December 2025
31st December 2025

37AQI

35AQI

46AQI

43AQI

40AQI

45AQI

48AQI

42AQI

31AQI

No. of days

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

202541AQI

27
4
26
2
20
11
22
8
25
6
19
11
17
14
31
21
208
56

Highest AQI recorded in

July

48AQI

Lowest AQI recorded in

September

31AQI

202430AQI

29
27
2
29
2
28
2
28
3
29
1
27
4
24
7
27
3
31
30
31
340
24

Highest AQI recorded in

August

37AQI

Lowest AQI recorded in

October

23AQI

202337AQI

24
5
1
26
2
22
9
15
15
23
8
23
7
24
7
30
1
29
1
30
1
27
2
30
1
303
59
1

Highest AQI recorded in

April

51AQI

Lowest AQI recorded in

December

26AQI

202238AQI

25
4
19
2
25
6
14
3
20
11
26
4
21
1
26
2
31
28
2
31
267
34

Highest AQI recorded in

May

51AQI

Lowest AQI recorded in

August

16AQI

202135AQI

25
5
23
5
23
6
20
1
24
7
22
8
27
4
25
3
26
4
30
1
24
6
30
1
299
51

Highest AQI recorded in

May

42AQI

Lowest AQI recorded in

August

30AQI

202035AQI

9
4
15
6
15
3
20
10
29
2
17
13
1
19
30
1
30
28
3
212
42
1

Highest AQI recorded in

August

50AQI

Lowest AQI recorded in

October

28AQI

Most & Least Polluted Years Over the Last 6 Years

Most Polluted Year Recorded
2025(Avg.)
41AQI
Least Polluted Year Recorded
2024(Avg.)
30AQI

Uwajima's annual 2025 AQI (41) shows an average percentage change of 18.3% (worsened AQI) compared to previous years: 2020 (35), 2021 (35), 2022 (38), 2023 (37), 2024 (30).