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HistoryAQIPM2.5PM10COSO2NO2O3

Saijochuo, Higashi Hiroshima, Hiroshima, 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

Saijochuo, Higashi Hiroshima, Hiroshima, Japan

2021
2022
2023
2024
2025
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
4th Oct 2021
68AQI
Lowest AQI recorded on
1st Oct 2025
17AQI

Same Day Analysis (4th October ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 58 of Moderate air quality, showing improvement over 2021 on the same day.

Download 2024 Annual Data

World Air Quality Report

Globe

Day & Night AQI Trend: 4th Oct - 5th Oct 2025

Saijochuo, Higashi Hiroshima, Hiroshima, Japan

AQI
Day
Night
.

5 AM4th Oct 2025

6 PM

4 AM5th Oct 2025

Day time
Avg. Highest Time
2PM4th Oct

61AQI

Avg. Lowest Time
10AM4th Oct

55AQI

Night time
Avg. Highest Time
7PM4th Oct

67AQI

Avg. Lowest Time
4AM5th Oct

51AQI

In the last 24 hours,

Saijochuo's AQI reached its highest point of 67 at 7 PM during the Night, while the lowest point, 51, was recorded at 4 AM during the Night between 4th Oct and 5th Oct 2025.

Day & Night AQI Trend : Sep - Oct 2025

Saijochuo, Higashi Hiroshima, Hiroshima, Japan

SepOct
05th - 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 - 04th04th - 05th05th
Day
Night
5th Sep 2025385 AMAQI
5th Sep 2025366 AMAQI
5th Sep 2025367 AMAQI
5th Sep 2025368 AMAQI
5th Sep 2025209 AMAQI
5th Sep 20251710 AMAQI
5th Sep 20251511 AMAQI
5th Sep 20251512 PMAQI
5th Sep 2025161 PMAQI
5th Sep 2025162 PMAQI
5th Sep 2025223 PMAQI
5th Sep 2025224 PMAQI
5th Sep 2025195 PMAQI
5th Sep 2025216 PMAQI
5th Sep 2025327 PMAQI
5th Sep 2025218 PMAQI
5th Sep 2025239 PMAQI
5th Sep 20252110 PMAQI
5th Sep 20252611 PMAQI
6th Sep 20251912 AMAQI
6th Sep 2025221 AMAQI
6th Sep 2025232 AMAQI
6th Sep 2025233 AMAQI
6th Sep 2025244 AMAQI

26°C24/30°C

6th Sep 2025265 AMAQI
6th Sep 2025266 AMAQI
6th Sep 2025267 AMAQI
6th Sep 2025268 AMAQI
6th Sep 2025229 AMAQI
6th Sep 20252210 AMAQI
6th Sep 20253011 AMAQI
6th Sep 20252012 PMAQI
6th Sep 2025231 PMAQI
6th Sep 2025242 PMAQI
6th Sep 2025293 PMAQI
6th Sep 2025244 PMAQI
6th Sep 2025325 PMAQI
6th Sep 2025346 PMAQI
6th Sep 2025367 PMAQI
6th Sep 2025328 PMAQI
6th Sep 2025329 PMAQI
6th Sep 20253310 PMAQI
6th Sep 20253211 PMAQI
7th Sep 20253412 AMAQI
7th Sep 2025281 AMAQI
7th Sep 2025242 AMAQI
7th Sep 2025233 AMAQI
7th Sep 2025244 AMAQI

26°C22/30°C

7th Sep 2025245 AMAQI
7th Sep 2025246 AMAQI
7th Sep 2025247 AMAQI
7th Sep 2025238 AMAQI
7th Sep 2025309 AMAQI
7th Sep 20254610 AMAQI
7th Sep 20253811 AMAQI
7th Sep 20254212 PMAQI
7th Sep 2025441 PMAQI
7th Sep 2025432 PMAQI
7th Sep 2025393 PMAQI
7th Sep 2025344 PMAQI
7th Sep 2025415 PMAQI
7th Sep 2025406 PMAQI
7th Sep 2025447 PMAQI
7th Sep 2025388 PMAQI
7th Sep 2025339 PMAQI
7th Sep 20253010 PMAQI
7th Sep 20252911 PMAQI
8th Sep 20253112 AMAQI
8th Sep 2025281 AMAQI
8th Sep 2025262 AMAQI
8th Sep 2025243 AMAQI
8th Sep 2025264 AMAQI

26°C23/30°C

8th Sep 2025275 AMAQI
8th Sep 2025276 AMAQI
8th Sep 2025277 AMAQI
8th Sep 2025278 AMAQI
8th Sep 2025359 AMAQI
8th Sep 20254210 AMAQI
8th Sep 20254211 AMAQI
8th Sep 20254012 PMAQI
8th Sep 2025341 PMAQI
8th Sep 2025392 PMAQI
8th Sep 2025403 PMAQI
8th Sep 2025404 PMAQI
8th Sep 2025455 PMAQI
8th Sep 2025406 PMAQI
8th Sep 2025447 PMAQI
8th Sep 2025368 PMAQI
8th Sep 2025349 PMAQI
8th Sep 20253210 PMAQI
8th Sep 20253211 PMAQI
9th Sep 20253012 AMAQI
9th Sep 2025341 AMAQI
9th Sep 2025302 AMAQI
9th Sep 2025303 AMAQI
9th Sep 2025304 AMAQI

26°C24/29°C

9th Sep 2025315 AMAQI
9th Sep 2025326 AMAQI
9th Sep 2025317 AMAQI
9th Sep 2025308 AMAQI
9th Sep 2025219 AMAQI
9th Sep 20252510 AMAQI
9th Sep 20252811 AMAQI
9th Sep 20253312 PMAQI
9th Sep 2025321 PMAQI
9th Sep 2025272 PMAQI
9th Sep 2025353 PMAQI
9th Sep 2025304 PMAQI
9th Sep 2025295 PMAQI
9th Sep 2025336 PMAQI
9th Sep 2025347 PMAQI
9th Sep 2025338 PMAQI
9th Sep 2025349 PMAQI
9th Sep 20253610 PMAQI
9th Sep 20253311 PMAQI
10th Sep 20253512 AMAQI
10th Sep 2025391 AMAQI
10th Sep 2025302 AMAQI
10th Sep 2025303 AMAQI
10th Sep 2025314 AMAQI

26°C24/30°C

10th Sep 2025305 AMAQI
10th Sep 2025306 AMAQI
10th Sep 2025317 AMAQI
10th Sep 2025318 AMAQI
10th Sep 2025349 AMAQI
10th Sep 20253910 AMAQI
10th Sep 20254911 AMAQI
10th Sep 20254212 PMAQI
10th Sep 2025421 PMAQI
10th Sep 2025412 PMAQI
10th Sep 2025393 PMAQI
10th Sep 2025354 PMAQI
10th Sep 2025365 PMAQI
10th Sep 2025356 PMAQI
10th Sep 2025287 PMAQI
10th Sep 2025368 PMAQI
10th Sep 2025409 PMAQI
10th Sep 20253310 PMAQI
10th Sep 20253211 PMAQI
11th Sep 20253412 AMAQI
11th Sep 2025421 AMAQI
11th Sep 2025342 AMAQI
11th Sep 2025353 AMAQI
11th Sep 2025354 AMAQI

24°C23/26°C

11th Sep 2025365 AMAQI
11th Sep 2025376 AMAQI
11th Sep 2025367 AMAQI
11th Sep 2025358 AMAQI
11th Sep 2025209 AMAQI
11th Sep 20252810 AMAQI
11th Sep 20252811 AMAQI
11th Sep 20252812 PMAQI
11th Sep 2025341 PMAQI
11th Sep 2025372 PMAQI
11th Sep 2025323 PMAQI
11th Sep 2025304 PMAQI
11th Sep 2025265 PMAQI
11th Sep 2025256 PMAQI
11th Sep 2025377 PMAQI
11th Sep 2025348 PMAQI
11th Sep 2025339 PMAQI
11th Sep 20253010 PMAQI
11th Sep 20252611 PMAQI
12th Sep 20252612 AMAQI
12th Sep 2025361 AMAQI
12th Sep 2025342 AMAQI
12th Sep 2025333 AMAQI
12th Sep 2025334 AMAQI

24°C22/27°C

12th Sep 2025325 AMAQI
12th Sep 2025326 AMAQI
12th Sep 2025327 AMAQI
12th Sep 2025328 AMAQI
12th Sep 2025209 AMAQI
12th Sep 20252110 AMAQI
12th Sep 20251911 AMAQI
12th Sep 20252212 PMAQI
12th Sep 2025241 PMAQI
12th Sep 2025322 PMAQI
12th Sep 2025303 PMAQI
12th Sep 2025354 PMAQI
12th Sep 2025305 PMAQI
12th Sep 2025326 PMAQI
12th Sep 2025327 PMAQI
12th Sep 2025308 PMAQI
12th Sep 2025289 PMAQI
12th Sep 20252510 PMAQI
12th Sep 20252711 PMAQI
13th Sep 20252812 AMAQI
13th Sep 2025311 AMAQI
13th Sep 2025322 AMAQI
13th Sep 2025323 AMAQI
13th Sep 2025314 AMAQI

25°C22/28°C

13th Sep 2025315 AMAQI
13th Sep 2025306 AMAQI
13th Sep 2025317 AMAQI
13th Sep 2025308 AMAQI
13th Sep 2025179 AMAQI
13th Sep 20253010 AMAQI
13th Sep 20253411 AMAQI
13th Sep 20253712 PMAQI
13th Sep 2025321 PMAQI
13th Sep 2025362 PMAQI
13th Sep 2025313 PMAQI
13th Sep 2025344 PMAQI
13th Sep 2025405 PMAQI
13th Sep 2025486 PMAQI
13th Sep 2025477 PMAQI
13th Sep 2025428 PMAQI
13th Sep 2025399 PMAQI
13th Sep 20253910 PMAQI
13th Sep 20253811 PMAQI
14th Sep 20253812 AMAQI
14th Sep 2025341 AMAQI
14th Sep 2025312 AMAQI
14th Sep 2025313 AMAQI
14th Sep 2025324 AMAQI

25°C23/27°C

14th Sep 2025325 AMAQI
14th Sep 2025326 AMAQI
14th Sep 2025317 AMAQI
14th Sep 2025338 AMAQI
14th Sep 2025379 AMAQI
14th Sep 20253810 AMAQI
14th Sep 20253811 AMAQI
14th Sep 20254012 PMAQI
14th Sep 2025351 PMAQI
14th Sep 2025352 PMAQI
14th Sep 2025293 PMAQI
14th Sep 2025334 PMAQI
14th Sep 2025405 PMAQI
14th Sep 2025436 PMAQI
14th Sep 2025397 PMAQI
14th Sep 2025388 PMAQI
14th Sep 2025369 PMAQI
14th Sep 20254110 PMAQI
14th Sep 20253711 PMAQI
15th Sep 20253812 AMAQI
15th Sep 2025321 AMAQI
15th Sep 2025342 AMAQI
15th Sep 2025383 AMAQI
15th Sep 2025334 AMAQI

26°C24/29°C

15th Sep 2025325 AMAQI
15th Sep 2025336 AMAQI
15th Sep 2025347 AMAQI
15th Sep 2025348 AMAQI
15th Sep 2025399 AMAQI
15th Sep 20254210 AMAQI
15th Sep 20254211 AMAQI
15th Sep 20254712 PMAQI
15th Sep 2025481 PMAQI
15th Sep 2025402 PMAQI
15th Sep 2025413 PMAQI
15th Sep 2025404 PMAQI
15th Sep 2025345 PMAQI
15th Sep 2025286 PMAQI
15th Sep 2025297 PMAQI
15th Sep 2025308 PMAQI
15th Sep 2025329 PMAQI
15th Sep 20253010 PMAQI
15th Sep 20253111 PMAQI
16th Sep 20253212 AMAQI
16th Sep 2025341 AMAQI
16th Sep 2025352 AMAQI
16th Sep 2025353 AMAQI
16th Sep 2025364 AMAQI

26°C24/30°C

16th Sep 2025375 AMAQI
16th Sep 2025376 AMAQI
16th Sep 2025377 AMAQI
16th Sep 2025388 AMAQI
16th Sep 2025239 AMAQI
16th Sep 20251810 AMAQI
16th Sep 20251911 AMAQI
16th Sep 20251912 PMAQI
16th Sep 2025241 PMAQI
16th Sep 2025272 PMAQI
16th Sep 2025253 PMAQI
16th Sep 2025244 PMAQI
16th Sep 2025265 PMAQI
16th Sep 2025246 PMAQI
16th Sep 2025187 PMAQI
16th Sep 2025248 PMAQI
16th Sep 2025299 PMAQI
16th Sep 20252910 PMAQI
16th Sep 20252611 PMAQI
17th Sep 20253212 AMAQI
17th Sep 2025361 AMAQI
17th Sep 2025342 AMAQI
17th Sep 2025343 AMAQI
17th Sep 2025344 AMAQI

26°C23/30°C

17th Sep 2025335 AMAQI
17th Sep 2025326 AMAQI
17th Sep 2025337 AMAQI
17th Sep 2025338 AMAQI
17th Sep 2025369 AMAQI
17th Sep 20252510 AMAQI
17th Sep 20252211 AMAQI
17th Sep 20253412 PMAQI
17th Sep 2025321 PMAQI
17th Sep 2025412 PMAQI
17th Sep 2025323 PMAQI
17th Sep 2025444 PMAQI
17th Sep 2025405 PMAQI
17th Sep 2025426 PMAQI
17th Sep 2025347 PMAQI
17th Sep 2025428 PMAQI
17th Sep 2025409 PMAQI
17th Sep 20252610 PMAQI
17th Sep 20252611 PMAQI
18th Sep 20252912 AMAQI
18th Sep 2025311 AMAQI
18th Sep 2025312 AMAQI
18th Sep 2025323 AMAQI
18th Sep 2025334 AMAQI

26°C24/30°C

18th Sep 2025345 AMAQI
18th Sep 2025346 AMAQI
18th Sep 2025347 AMAQI
18th Sep 2025358 AMAQI
18th Sep 2025179 AMAQI
18th Sep 20251210 AMAQI
18th Sep 20251211 AMAQI
18th Sep 20251112 PMAQI
18th Sep 2025141 PMAQI
18th Sep 2025122 PMAQI
18th Sep 2025153 PMAQI
18th Sep 2025144 PMAQI
18th Sep 2025145 PMAQI
18th Sep 2025136 PMAQI
18th Sep 2025147 PMAQI
18th Sep 2025178 PMAQI
18th Sep 2025259 PMAQI
18th Sep 20252610 PMAQI
18th Sep 20252611 PMAQI
19th Sep 20252612 AMAQI
19th Sep 2025281 AMAQI
19th Sep 2025322 AMAQI
19th Sep 2025323 AMAQI
19th Sep 2025314 AMAQI

24°C21/26°C

19th Sep 2025295 AMAQI
19th Sep 2025296 AMAQI
19th Sep 2025287 AMAQI
19th Sep 2025288 AMAQI
19th Sep 2025169 AMAQI
19th Sep 20251310 AMAQI
19th Sep 20251311 AMAQI
19th Sep 20251612 PMAQI
19th Sep 2025181 PMAQI
19th Sep 2025162 PMAQI
19th Sep 2025183 PMAQI
19th Sep 2025194 PMAQI
19th Sep 2025195 PMAQI
19th Sep 2025206 PMAQI
19th Sep 2025207 PMAQI
19th Sep 2025238 PMAQI
19th Sep 2025279 PMAQI
19th Sep 20252710 PMAQI
19th Sep 20252611 PMAQI
20th Sep 20252812 AMAQI
20th Sep 2025301 AMAQI
20th Sep 2025302 AMAQI
20th Sep 2025303 AMAQI
20th Sep 2025294 AMAQI

22°C19/26°C

20th Sep 2025285 AMAQI
20th Sep 2025286 AMAQI
20th Sep 2025287 AMAQI
20th Sep 2025288 AMAQI
20th Sep 2025239 AMAQI
20th Sep 20252010 AMAQI
20th Sep 20251611 AMAQI
20th Sep 20251612 PMAQI
20th Sep 2025231 PMAQI
20th Sep 2025242 PMAQI
20th Sep 2025233 PMAQI
20th Sep 2025324 PMAQI
20th Sep 2025325 PMAQI
20th Sep 2025266 PMAQI
20th Sep 2025297 PMAQI
20th Sep 2025368 PMAQI
20th Sep 2025369 PMAQI
20th Sep 20253210 PMAQI
20th Sep 20252911 PMAQI
21st Sep 20252812 AMAQI
21st Sep 2025271 AMAQI
21st Sep 2025282 AMAQI
21st Sep 2025283 AMAQI
21st Sep 2025284 AMAQI

23°C21/25°C

21st Sep 2025285 AMAQI
21st Sep 2025276 AMAQI
21st Sep 2025277 AMAQI
21st Sep 2025278 AMAQI
21st Sep 2025169 AMAQI
21st Sep 20251210 AMAQI
21st Sep 20251211 AMAQI
21st Sep 20251312 PMAQI
21st Sep 2025141 PMAQI
21st Sep 2025142 PMAQI
21st Sep 2025143 PMAQI
21st Sep 2025154 PMAQI
21st Sep 2025145 PMAQI
21st Sep 2025146 PMAQI
21st Sep 2025147 PMAQI
21st Sep 2025188 PMAQI
21st Sep 2025269 PMAQI
21st Sep 20252510 PMAQI
21st Sep 20252611 PMAQI
22nd Sep 20252412 AMAQI
22nd Sep 2025271 AMAQI
22nd Sep 2025282 AMAQI
22nd Sep 2025283 AMAQI
22nd Sep 2025284 AMAQI

22°C19/26°C

22nd Sep 2025285 AMAQI
22nd Sep 2025286 AMAQI
22nd Sep 2025287 AMAQI
22nd Sep 2025288 AMAQI
22nd Sep 2025179 AMAQI
22nd Sep 20251410 AMAQI
22nd Sep 20251411 AMAQI
22nd Sep 20251612 PMAQI
22nd Sep 2025161 PMAQI
22nd Sep 2025162 PMAQI
22nd Sep 2025163 PMAQI
22nd Sep 2025174 PMAQI
22nd Sep 2025165 PMAQI
22nd Sep 2025166 PMAQI
22nd Sep 2025187 PMAQI
22nd Sep 2025198 PMAQI
22nd Sep 2025219 PMAQI
22nd Sep 20252210 PMAQI
22nd Sep 20252211 PMAQI
23rd Sep 20252412 AMAQI
23rd Sep 2025261 AMAQI
23rd Sep 2025252 AMAQI
23rd Sep 2025243 AMAQI
23rd Sep 2025254 AMAQI

21°C18/25°C

23rd Sep 2025245 AMAQI
23rd Sep 2025246 AMAQI
23rd Sep 2025237 AMAQI
23rd Sep 2025248 AMAQI
23rd Sep 2025189 AMAQI
23rd Sep 20251410 AMAQI
23rd Sep 20251611 AMAQI
23rd Sep 20251612 PMAQI
23rd Sep 2025161 PMAQI
23rd Sep 2025152 PMAQI
23rd Sep 2025143 PMAQI
23rd Sep 2025164 PMAQI
23rd Sep 2025155 PMAQI
23rd Sep 2025166 PMAQI
23rd Sep 2025167 PMAQI
23rd Sep 2025178 PMAQI
23rd Sep 2025209 PMAQI
23rd Sep 20252210 PMAQI
23rd Sep 20252211 PMAQI
24th Sep 20252312 AMAQI
24th Sep 2025251 AMAQI
24th Sep 2025242 AMAQI
24th Sep 2025233 AMAQI
24th Sep 2025234 AMAQI

20°C19/21°C

24th Sep 2025225 AMAQI
24th Sep 2025226 AMAQI
24th Sep 2025227 AMAQI
24th Sep 2025228 AMAQI
24th Sep 2025189 AMAQI
24th Sep 20251410 AMAQI
24th Sep 20251611 AMAQI
24th Sep 20251512 PMAQI
24th Sep 2025171 PMAQI
24th Sep 2025182 PMAQI
24th Sep 2025193 PMAQI
24th Sep 2025204 PMAQI
24th Sep 2025205 PMAQI
24th Sep 2025216 PMAQI
24th Sep 2025227 PMAQI
24th Sep 2025218 PMAQI
24th Sep 2025239 PMAQI
24th Sep 20252310 PMAQI
24th Sep 20252411 PMAQI
25th Sep 20252412 AMAQI
25th Sep 2025241 AMAQI
25th Sep 2025232 AMAQI
25th Sep 2025233 AMAQI
25th Sep 2025224 AMAQI

23°C20/26°C

25th Sep 2025225 AMAQI
25th Sep 2025236 AMAQI
25th Sep 2025227 AMAQI
25th Sep 2025238 AMAQI
25th Sep 2025149 AMAQI
25th Sep 20251410 AMAQI
25th Sep 20251211 AMAQI
25th Sep 20251212 PMAQI
25th Sep 2025151 PMAQI
25th Sep 2025212 PMAQI
25th Sep 2025273 PMAQI
25th Sep 2025274 PMAQI
25th Sep 2025265 PMAQI
25th Sep 2025226 PMAQI
25th Sep 2025207 PMAQI
25th Sep 2025168 PMAQI
25th Sep 2025169 PMAQI
25th Sep 20251110 PMAQI
25th Sep 20251111 PMAQI
26th Sep 20251212 AMAQI
26th Sep 2025141 AMAQI
26th Sep 2025142 AMAQI
26th Sep 2025143 AMAQI
26th Sep 2025144 AMAQI

23°C22/25°C

26th Sep 2025145 AMAQI
26th Sep 2025136 AMAQI
26th Sep 2025117 AMAQI
26th Sep 2025128 AMAQI
26th Sep 2025169 AMAQI
26th Sep 20251910 AMAQI
26th Sep 20251911 AMAQI
26th Sep 20252112 PMAQI
26th Sep 2025271 PMAQI
26th Sep 2025302 PMAQI
26th Sep 2025353 PMAQI
26th Sep 2025394 PMAQI
26th Sep 2025435 PMAQI
26th Sep 2025376 PMAQI
26th Sep 2025307 PMAQI
26th Sep 2025288 PMAQI
26th Sep 2025269 PMAQI
26th Sep 20252410 PMAQI
26th Sep 20252111 PMAQI
27th Sep 20251912 AMAQI
27th Sep 2025171 AMAQI
27th Sep 2025122 AMAQI
27th Sep 2025113 AMAQI
27th Sep 2025134 AMAQI

24°C22/27°C

27th Sep 2025195 AMAQI
27th Sep 2025186 AMAQI
27th Sep 2025197 AMAQI
27th Sep 2025198 AMAQI
27th Sep 2025209 AMAQI
27th Sep 20252410 AMAQI
27th Sep 20252811 AMAQI
27th Sep 20253112 PMAQI
27th Sep 2025271 PMAQI
27th Sep 2025112 PMAQI
27th Sep 2025123 PMAQI
27th Sep 2025174 PMAQI
27th Sep 2025135 PMAQI
27th Sep 2025146 PMAQI
27th Sep 2025157 PMAQI
27th Sep 2025178 PMAQI
27th Sep 2025179 PMAQI
27th Sep 20251610 PMAQI
27th Sep 20251511 PMAQI
28th Sep 20251512 AMAQI
28th Sep 2025281 AMAQI
28th Sep 2025142 AMAQI
28th Sep 2025113 AMAQI
28th Sep 2025114 AMAQI

22°C19/24°C

28th Sep 2025105 AMAQI
28th Sep 202586 AMAQI
28th Sep 202597 AMAQI
28th Sep 202588 AMAQI
28th Sep 202589 AMAQI
28th Sep 2025810 AMAQI
28th Sep 2025911 AMAQI
28th Sep 20251012 PMAQI
28th Sep 2025121 PMAQI
28th Sep 2025122 PMAQI
28th Sep 2025123 PMAQI
28th Sep 2025114 PMAQI
28th Sep 2025125 PMAQI
28th Sep 2025136 PMAQI
28th Sep 2025147 PMAQI
28th Sep 2025158 PMAQI
28th Sep 2025169 PMAQI
28th Sep 20251610 PMAQI
28th Sep 20251711 PMAQI
29th Sep 20251612 AMAQI
29th Sep 2025221 AMAQI
29th Sep 2025162 AMAQI
29th Sep 2025143 AMAQI
29th Sep 2025124 AMAQI

20°C19/22°C

29th Sep 2025115 AMAQI
29th Sep 202586 AMAQI
29th Sep 202567 AMAQI
29th Sep 202568 AMAQI
29th Sep 202569 AMAQI
29th Sep 2025610 AMAQI
29th Sep 2025811 AMAQI
29th Sep 20251012 PMAQI
29th Sep 202591 PMAQI
29th Sep 202592 PMAQI
29th Sep 202583 PMAQI
29th Sep 2025134 PMAQI
29th Sep 2025165 PMAQI
29th Sep 2025126 PMAQI
29th Sep 202587 PMAQI
29th Sep 202588 PMAQI
29th Sep 2025169 PMAQI
29th Sep 20251510 PMAQI
29th Sep 20251211 PMAQI
30th Sep 20251212 AMAQI
30th Sep 2025161 AMAQI
30th Sep 2025142 AMAQI
30th Sep 202593 AMAQI
30th Sep 2025134 AMAQI

21°C17/24°C

30th Sep 2025135 AMAQI
30th Sep 2025136 AMAQI
30th Sep 2025127 AMAQI
30th Sep 2025108 AMAQI
30th Sep 2025149 AMAQI
30th Sep 20251310 AMAQI
30th Sep 20251411 AMAQI
30th Sep 20251112 PMAQI
30th Sep 202591 PMAQI
30th Sep 2025102 PMAQI
30th Sep 2025113 PMAQI
30th Sep 2025104 PMAQI
30th Sep 2025135 PMAQI
30th Sep 2025106 PMAQI
30th Sep 2025187 PMAQI
30th Sep 2025168 PMAQI
30th Sep 2025229 PMAQI
30th Sep 20252110 PMAQI
30th Sep 20251411 PMAQI
1st Oct 20251412 AMAQI
1st Oct 2025181 AMAQI
1st Oct 2025132 AMAQI
1st Oct 2025143 AMAQI
1st Oct 2025284 AMAQI

20°C16/24°C

1st Oct 2025165 AMAQI
1st Oct 2025146 AMAQI
1st Oct 2025147 AMAQI
1st Oct 2025148 AMAQI
1st Oct 2025139 AMAQI
1st Oct 20251310 AMAQI
1st Oct 20251611 AMAQI
1st Oct 20251012 PMAQI
1st Oct 2025111 PMAQI
1st Oct 2025112 PMAQI
1st Oct 2025303 PMAQI
1st Oct 2025504 PMAQI
1st Oct 2025505 PMAQI
1st Oct 2025266 PMAQI
1st Oct 2025107 PMAQI
1st Oct 2025138 PMAQI
1st Oct 2025119 PMAQI
1st Oct 20251210 PMAQI
1st Oct 20251211 PMAQI
2nd Oct 20251112 AMAQI
2nd Oct 2025391 AMAQI
2nd Oct 2025522 AMAQI
2nd Oct 2025483 AMAQI
2nd Oct 2025444 AMAQI

21°C17/26°C

2nd Oct 2025415 AMAQI
2nd Oct 2025396 AMAQI
2nd Oct 2025397 AMAQI
2nd Oct 2025428 AMAQI
2nd Oct 2025429 AMAQI
2nd Oct 20254510 AMAQI
2nd Oct 20254811 AMAQI
2nd Oct 20254412 PMAQI
2nd Oct 2025531 PMAQI
2nd Oct 2025522 PMAQI
2nd Oct 2025443 PMAQI
2nd Oct 2025454 PMAQI
2nd Oct 2025465 PMAQI
2nd Oct 2025496 PMAQI
2nd Oct 2025427 PMAQI
2nd Oct 2025448 PMAQI
2nd Oct 2025409 PMAQI
2nd Oct 20254010 PMAQI
2nd Oct 20253911 PMAQI
3rd Oct 20254212 AMAQI
3rd Oct 2025341 AMAQI
3rd Oct 2025332 AMAQI
3rd Oct 2025343 AMAQI
3rd Oct 2025344 AMAQI

21°C17/25°C

3rd Oct 2025345 AMAQI
3rd Oct 2025346 AMAQI
3rd Oct 2025317 AMAQI
3rd Oct 2025358 AMAQI
3rd Oct 2025359 AMAQI
3rd Oct 20253210 AMAQI
3rd Oct 20253111 AMAQI
3rd Oct 20253712 PMAQI
3rd Oct 2025321 PMAQI
3rd Oct 2025332 PMAQI
3rd Oct 2025343 PMAQI
3rd Oct 2025464 PMAQI
3rd Oct 2025475 PMAQI
3rd Oct 2025476 PMAQI
3rd Oct 2025527 PMAQI
3rd Oct 2025468 PMAQI
3rd Oct 2025619 PMAQI
3rd Oct 20255810 PMAQI
3rd Oct 20255611 PMAQI
4th Oct 20255412 AMAQI
4th Oct 2025621 AMAQI
4th Oct 2025622 AMAQI
4th Oct 2025603 AMAQI
4th Oct 2025644 AMAQI

19°C18/19°C

4th Oct 2025655 AMAQI
4th Oct 2025596 AMAQI
4th Oct 2025597 AMAQI
4th Oct 2025568 AMAQI
4th Oct 2025559 AMAQI
4th Oct 20255510 AMAQI
4th Oct 20255611 AMAQI
4th Oct 20255612 PMAQI
4th Oct 2025581 PMAQI
4th Oct 2025612 PMAQI
4th Oct 2025563 PMAQI
4th Oct 2025574 PMAQI
4th Oct 2025605 PMAQI
4th Oct 2025666 PMAQI
4th Oct 2025677 PMAQI
4th Oct 2025638 PMAQI
4th Oct 2025649 PMAQI
4th Oct 20256710 PMAQI
4th Oct 20256611 PMAQI
5th Oct 20256112 AMAQI
5th Oct 2025631 AMAQI
5th Oct 2025602 AMAQI
5th Oct 2025583 AMAQI
5th Oct 2025514 AMAQI

21°C19/23°C

5th Oct 2025465 AMAQI
5 AM
5th Oct 2025546 AMAQI
5th Oct 2025527 AMAQI
5th Oct 2025448 AMAQI
5th Oct 2025189 AMAQI
5th Oct 20252210 AMAQI
11 AM
6 PM
11 PM
4 AM

--°C/°C

Day time
Avg. Highest Time
5 PM

30AQI

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

23AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 5 PM to 5 PM (Avg. 30), while the lowest AQI was between 9 AM to 9 AM (Avg. 23).
Night time
Avg. Highest Time
1 AM

31AQI

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

27AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 1 AM to 1 AM (Avg. 31), while the lowest AQI was between 12 AM to 12 AM (Avg. 27).

2025 Days Vs Air Quality

Saijochuo, Higashi Hiroshima, Hiroshima, Japan

2025

86%

237

14%

39

0.3%

1

Total number of days with different AQI categories in last 278 days in 2025 (87 days remaining)

Good
237 Days
Moderate
39 Days
Poor
1 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 86%

Health Risk Level:

Low

In 2025, 86% of 278 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

Saijochuo, Higashi Hiroshima, Hiroshima, 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
27AQI
2nd January 2025
39AQI
3rd January 2025
31AQI
4th January 2025
30AQI
5th January 2025
27AQI
6th January 2025
28AQI
7th January 2025
29AQI
8th January 2025
28AQI
9th January 2025
28AQI
10th January 2025
25AQI
11th January 2025
27AQI
12th January 2025
29AQI
13th January 2025
35AQI
14th January 2025
34AQI
15th January 2025
37AQI
16th January 2025
33AQI
17th January 2025
30AQI
18th January 2025
29AQI
19th January 2025
40AQI
20th January 2025
31AQI
21st January 2025
40AQI
22nd January 2025
56AQI
23rd January 2025
62AQI
24th January 2025
51AQI
25th January 2025
44AQI
26th January 2025
38AQI
27th January 2025
34AQI
28th January 2025
33AQI
29th January 2025
32AQI
30th January 2025
45AQI
31st January 2025
38AQI
1st February 2025
43AQI
2nd February 2025
32AQI
3rd February 2025
39AQI
4th February 2025
32AQI
5th February 2025
34AQI
6th February 2025
32AQI
7th February 2025
30AQI
8th February 2025
30AQI
9th February 2025
28AQI
10th February 2025
30AQI
11th February 2025
36AQI
12th February 2025
31AQI
13th February 2025
33AQI
14th February 2025
39AQI
15th February 2025
30AQI
16th February 2025
38AQI
17th February 2025
43AQI
18th February 2025
34AQI
19th February 2025
37AQI
20th February 2025
31AQI
21st February 2025
32AQI
22nd February 2025
36AQI
23rd February 2025
33AQI
24th February 2025
37AQI
25th February 2025
38AQI
26th February 2025
38AQI
27th February 2025
42AQI
28th February 2025
43AQI
1st March 2025
44AQI
2nd March 2025
54AQI
3rd March 2025
42AQI
4th March 2025
37AQI
5th March 2025
31AQI
6th March 2025
36AQI
7th March 2025
34AQI
8th March 2025
41AQI
9th March 2025
44AQI
10th March 2025
44AQI
11th March 2025
45AQI
12th March 2025
41AQI
13th March 2025
53AQI
14th March 2025
28AQI
15th March 2025
31AQI
16th March 2025
19AQI
17th March 2025
33AQI
18th March 2025
21AQI
19th March 2025
44AQI
20th March 2025
42AQI
21st March 2025
39AQI
22nd March 2025
61AQI
23rd March 2025
41AQI
24th March 2025
39AQI
25th March 2025
61AQI
26th March 2025
72AQI
27th March 2025
66AQI
28th March 2025
45AQI
29th March 2025
41AQI
30th March 2025
42AQI
31st March 2025
40AQI
1st April 2025
42AQI
2nd April 2025
33AQI
3rd April 2025
25AQI
4th April 2025
30AQI
5th April 2025
27AQI
6th April 2025
22AQI
7th April 2025
21AQI
8th April 2025
18AQI
9th April 2025
25AQI
10th April 2025
24AQI
11th April 2025
25AQI
12th April 2025
25AQI
13th April 2025
21AQI
14th April 2025
23AQI
15th April 2025
20AQI
16th April 2025
22AQI
17th April 2025
24AQI
18th April 2025
27AQI
19th April 2025
24AQI
20th April 2025
21AQI
21st April 2025
17AQI
22nd April 2025
18AQI
23rd April 2025
13AQI
24th April 2025
15AQI
25th April 2025
52AQI
26th April 2025
27AQI
27th April 2025
39AQI
28th April 2025
32AQI
29th April 2025
31AQI
30th April 2025
29AQI
1st May 2025
48AQI
2nd May 2025
37AQI
3rd May 2025
47AQI
4th May 2025
33AQI
5th May 2025
35AQI
6th May 2025
30AQI
7th May 2025
27AQI
8th May 2025
30AQI
9th May 2025
39AQI
10th May 2025
35AQI
11th May 2025
44AQI
12th May 2025
53AQI
13th May 2025
44AQI
14th May 2025
57AQI
15th May 2025
56AQI
16th May 2025
45AQI
17th May 2025
45AQI
18th May 2025
39AQI
19th May 2025
60AQI
20th May 2025
59AQI
21st May 2025
50AQI
22nd May 2025
43AQI
23rd May 2025
37AQI
24th May 2025
30AQI
25th May 2025
24AQI
26th May 2025
25AQI
27th May 2025
39AQI
28th May 2025
28AQI
29th May 2025
50AQI
30th May 2025
39AQI
31st May 2025
42AQI
1st June 2025
46AQI
2nd June 2025
54AQI
3rd June 2025
29AQI
4th June 2025
47AQI
5th June 2025
46AQI
6th June 2025
46AQI
7th June 2025
42AQI
8th June 2025
64AQI
9th June 2025
65AQI
10th June 2025
37AQI
11th June 2025
32AQI
12th June 2025
48AQI
13th June 2025
45AQI
14th June 2025
41AQI
15th June 2025
30AQI
16th June 2025
27AQI
17th June 2025
28AQI
18th June 2025
29AQI
19th June 2025
41AQI
20th June 2025
46AQI
21st June 2025
47AQI
22nd June 2025
61AQI
23rd June 2025
53AQI
24th June 2025
48AQI
25th June 2025
47AQI
26th June 2025
50AQI
27th June 2025
55AQI
28th June 2025
48AQI
29th June 2025
47AQI
30th June 2025
55AQI
1st July 2025
54AQI
2nd July 2025
79AQI
3rd July 2025
86AQI
4th July 2025
107AQI
5th July 2025
90AQI
6th July 2025
76AQI
7th July 2025
69AQI
8th July 2025
72AQI
9th July 2025
67AQI
10th July 2025
77AQI
11th July 2025
60AQI
12th July 2025
57AQI
13th July 2025
56AQI
14th July 2025
47AQI
15th July 2025
48AQI
16th July 2025
50AQI
17th July 2025
50AQI
18th July 2025
40AQI
19th July 2025
37AQI
20th July 2025
33AQI
21st July 2025
31AQI
22nd July 2025
30AQI
23rd July 2025
31AQI
24th July 2025
39AQI
25th July 2025
29AQI
26th July 2025
25AQI
27th July 2025
23AQI
28th July 2025
30AQI
29th July 2025
29AQI
30th July 2025
36AQI
31st July 2025
39AQI
1st August 2025
41AQI
2nd August 2025
44AQI
3rd August 2025
45AQI
4th August 2025
55AQI
5th August 2025
50AQI
6th August 2025
48AQI
7th August 2025
46AQI
8th August 2025
49AQI
9th August 2025
40AQI
10th August 2025
37AQI
11th August 2025
33AQI
12th August 2025
34AQI
13th August 2025
39AQI
14th August 2025
46AQI
15th August 2025
51AQI
16th August 2025
50AQI
17th August 2025
43AQI
18th August 2025
45AQI
19th August 2025
46AQI
20th August 2025
44AQI
21st August 2025
41AQI
22nd August 2025
40AQI
23rd August 2025
45AQI
24th August 2025
48AQI
25th August 2025
49AQI
26th August 2025
50AQI
27th August 2025
50AQI
28th August 2025
49AQI
29th August 2025
52AQI
30th August 2025
51AQI
31st August 2025
49AQI
1st September 2025
39AQI
2nd September 2025
36AQI
3rd September 2025
39AQI
4th September 2025
29AQI
5th September 2025
22AQI
6th September 2025
26AQI
7th September 2025
32AQI
8th September 2025
33AQI
9th September 2025
32AQI
10th September 2025
35AQI
11th September 2025
31AQI
12th September 2025
28AQI
13th September 2025
33AQI
14th September 2025
37AQI
15th September 2025
36AQI
16th September 2025
29AQI
17th September 2025
32AQI
18th September 2025
23AQI
19th September 2025
24AQI
20th September 2025
28AQI
21st September 2025
22AQI
22nd September 2025
22AQI
23rd September 2025
20AQI
24th September 2025
21AQI
25th September 2025
20AQI
26th September 2025
21AQI
27th September 2025
18AQI
28th September 2025
13AQI
29th September 2025
12AQI
30th September 2025
14AQI
1st October 2025
17AQI
2nd October 2025
38AQI
3rd October 2025
41AQI
4th October 2025
58AQI
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

35AQI

35AQI

42AQI

26AQI

41AQI

45AQI

52AQI

45AQI

27AQI

39AQI

No. of days

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

202539AQI

28
3
28
25
6
29
1
26
5
23
7
18
12
1
27
4
30
3
1
237
39
1

Highest AQI recorded in

July

52AQI

Lowest AQI recorded in

April

26AQI

202439AQI

31
24
5
25
6
18
12
25
6
21
9
30
1
27
4
23
7
28
3
27
3
31
310
56

Highest AQI recorded in

April

49AQI

Lowest AQI recorded in

December

28AQI

202342AQI

22
8
1
27
1
19
12
17
13
22
9
16
14
23
8
29
2
27
3
25
6
22
7
25
6
274
89
1

Highest AQI recorded in

April

49AQI

Lowest AQI recorded in

August

36AQI

202243AQI

27
3
17
4
22
9
20
9
12
19
20
10
15
6
1
27
1
22
9
20
10
30
1
233
81

Highest AQI recorded in

May

53AQI

Lowest AQI recorded in

August

26AQI

202142AQI

24
7
21
7
24
6
1
25
5
20
11
11
19
25
6
25
6
23
7
24
7
20
10
27
4
269
95
1

Highest AQI recorded in

June

53AQI

Lowest AQI recorded in

April

37AQI

202041AQI

8
5
16
5
13
5
17
13
26
5
15
15
1
17
2
27
4
22
8
24
7
185
69
1

Highest AQI recorded in

August

57AQI

Lowest AQI recorded in

October

32AQI

Most & Least Polluted Years Over the Last 6 Years

Most Polluted Year Recorded
2022(Avg.)
43AQI
Least Polluted Year Recorded
2024(Avg.)
39AQI

Saijochuo's annual 2025 AQI (39) shows an average percentage change of -6.05% (improved AQI) compared to previous years: 2020 (41), 2021 (42), 2022 (43), 2023 (42), 2024 (39).