Chuocho, Tainai, Niigata, 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
Chuocho, Tainai, Niigata, Japan
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
29th Aug 2021
56AQILowest AQI recorded on
14th Aug 2021
15AQISame Day Analysis (5th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 48 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 5th Aug - 6th Aug 2025
Chuocho, Tainai, Niigata, Japan
AQI
Day
Night
.
4 AM5th Aug 2025
7 PM
3 AM6th Aug 2025
Day time
Avg. Highest Time
10AM5th Aug
57AQI
Avg. Lowest Time
2PM5th Aug
43AQI
Night time
Avg. Highest Time
8PM5th Aug
46AQI
Avg. Lowest Time
7PM5th Aug
37AQI
In the last 24 hours,
Chuocho's AQI reached its highest point of 57 at 10 AM during the Day, while the lowest point, 37, was recorded at 7 PM during the Night between 5th Aug and 6th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Chuocho, Tainai, Niigata, Japan
JulAug
07th - 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 - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th
Day
Night
7th Jul 2025564 AMAQI
7th Jul 2025565 AMAQI
7th Jul 2025566 AMAQI
7th Jul 2025567 AMAQI
7th Jul 2025568 AMAQI
7th Jul 2025569 AMAQI
7th Jul 20256110 AMAQI
7th Jul 20256211 AMAQI
7th Jul 20255812 PMAQI
7th Jul 2025601 PMAQI
7th Jul 2025592 PMAQI
7th Jul 2025583 PMAQI
7th Jul 2025584 PMAQI
7th Jul 2025585 PMAQI
7th Jul 2025586 PMAQI
7th Jul 2025577 PMAQI
7th Jul 2025598 PMAQI
7th Jul 2025599 PMAQI
7th Jul 20255810 PMAQI
7th Jul 20255811 PMAQI
8th Jul 20255812 AMAQI
8th Jul 2025601 AMAQI
8th Jul 2025572 AMAQI
8th Jul 2025583 AMAQI
25°C23/28°C
8th Jul 2025574 AMAQI
8th Jul 2025585 AMAQI
8th Jul 2025586 AMAQI
8th Jul 2025587 AMAQI
8th Jul 2025588 AMAQI
8th Jul 2025599 AMAQI
8th Jul 20256010 AMAQI
8th Jul 20256111 AMAQI
8th Jul 20255712 PMAQI
8th Jul 2025581 PMAQI
8th Jul 2025572 PMAQI
8th Jul 2025583 PMAQI
8th Jul 2025564 PMAQI
8th Jul 2025565 PMAQI
8th Jul 2025566 PMAQI
8th Jul 2025567 PMAQI
8th Jul 2025568 PMAQI
8th Jul 2025589 PMAQI
8th Jul 20255810 PMAQI
8th Jul 20255811 PMAQI
9th Jul 20255812 AMAQI
9th Jul 2025581 AMAQI
9th Jul 2025582 AMAQI
9th Jul 2025583 AMAQI
25°C23/28°C
9th Jul 2025584 AMAQI
9th Jul 2025585 AMAQI
9th Jul 2025586 AMAQI
9th Jul 2025587 AMAQI
9th Jul 2025588 AMAQI
9th Jul 2025519 AMAQI
9th Jul 20255010 AMAQI
9th Jul 20255211 AMAQI
9th Jul 20255312 PMAQI
9th Jul 2025561 PMAQI
9th Jul 2025562 PMAQI
9th Jul 2025553 PMAQI
9th Jul 2025524 PMAQI
9th Jul 2025515 PMAQI
9th Jul 2025526 PMAQI
9th Jul 2025547 PMAQI
9th Jul 2025568 PMAQI
9th Jul 2025589 PMAQI
9th Jul 20255810 PMAQI
9th Jul 20255811 PMAQI
10th Jul 20255712 AMAQI
10th Jul 2025581 AMAQI
10th Jul 2025582 AMAQI
10th Jul 2025583 AMAQI
25°C22/28°C
10th Jul 2025584 AMAQI
10th Jul 2025585 AMAQI
10th Jul 2025586 AMAQI
10th Jul 2025587 AMAQI
10th Jul 2025588 AMAQI
10th Jul 2025449 AMAQI
10th Jul 20253810 AMAQI
10th Jul 20253611 AMAQI
10th Jul 20253812 PMAQI
10th Jul 2025501 PMAQI
10th Jul 2025452 PMAQI
10th Jul 2025453 PMAQI
10th Jul 2025474 PMAQI
10th Jul 2025475 PMAQI
10th Jul 2025486 PMAQI
10th Jul 2025517 PMAQI
10th Jul 2025508 PMAQI
10th Jul 2025569 PMAQI
10th Jul 20255610 PMAQI
10th Jul 20255611 PMAQI
11th Jul 20255612 AMAQI
11th Jul 2025571 AMAQI
11th Jul 2025582 AMAQI
11th Jul 2025583 AMAQI
25°C22/28°C
11th Jul 2025584 AMAQI
11th Jul 2025565 AMAQI
11th Jul 2025566 AMAQI
11th Jul 2025577 AMAQI
11th Jul 2025578 AMAQI
11th Jul 2025299 AMAQI
11th Jul 20252210 AMAQI
11th Jul 20252511 AMAQI
11th Jul 20252812 PMAQI
11th Jul 2025401 PMAQI
11th Jul 2025422 PMAQI
11th Jul 2025413 PMAQI
11th Jul 2025404 PMAQI
11th Jul 2025415 PMAQI
11th Jul 2025426 PMAQI
11th Jul 2025447 PMAQI
11th Jul 2025488 PMAQI
11th Jul 2025559 PMAQI
11th Jul 20255510 PMAQI
11th Jul 20255411 PMAQI
12th Jul 20255412 AMAQI
12th Jul 2025551 AMAQI
12th Jul 2025562 AMAQI
12th Jul 2025563 AMAQI
24°C20/28°C
12th Jul 2025564 AMAQI
12th Jul 2025555 AMAQI
12th Jul 2025556 AMAQI
12th Jul 2025557 AMAQI
12th Jul 2025558 AMAQI
12th Jul 2025299 AMAQI
12th Jul 20252210 AMAQI
12th Jul 20253011 AMAQI
12th Jul 20253012 PMAQI
12th Jul 2025481 PMAQI
12th Jul 2025462 PMAQI
12th Jul 2025463 PMAQI
12th Jul 2025444 PMAQI
12th Jul 2025475 PMAQI
12th Jul 2025466 PMAQI
12th Jul 2025467 PMAQI
12th Jul 2025478 PMAQI
12th Jul 2025539 PMAQI
12th Jul 20255310 PMAQI
12th Jul 20255411 PMAQI
13th Jul 20255412 AMAQI
13th Jul 2025541 AMAQI
13th Jul 2025542 AMAQI
13th Jul 2025543 AMAQI
23°C20/26°C
13th Jul 2025544 AMAQI
13th Jul 2025545 AMAQI
13th Jul 2025536 AMAQI
13th Jul 2025547 AMAQI
13th Jul 2025548 AMAQI
13th Jul 2025439 AMAQI
13th Jul 20253410 AMAQI
13th Jul 20253811 AMAQI
13th Jul 20254212 PMAQI
13th Jul 2025531 PMAQI
13th Jul 2025522 PMAQI
13th Jul 2025523 PMAQI
13th Jul 2025514 PMAQI
13th Jul 2025525 PMAQI
13th Jul 2025526 PMAQI
13th Jul 2025517 PMAQI
13th Jul 2025518 PMAQI
13th Jul 2025549 PMAQI
13th Jul 20255410 PMAQI
13th Jul 20255311 PMAQI
14th Jul 20255412 AMAQI
14th Jul 2025541 AMAQI
14th Jul 2025542 AMAQI
14th Jul 2025543 AMAQI
24°C20/28°C
14th Jul 2025544 AMAQI
14th Jul 2025545 AMAQI
14th Jul 2025546 AMAQI
14th Jul 2025547 AMAQI
14th Jul 2025548 AMAQI
14th Jul 2025329 AMAQI
14th Jul 20252410 AMAQI
14th Jul 20252511 AMAQI
14th Jul 20252512 PMAQI
14th Jul 2025341 PMAQI
14th Jul 2025322 PMAQI
14th Jul 2025343 PMAQI
14th Jul 2025354 PMAQI
14th Jul 2025385 PMAQI
14th Jul 2025346 PMAQI
14th Jul 2025347 PMAQI
14th Jul 2025358 PMAQI
14th Jul 2025529 PMAQI
14th Jul 20255210 PMAQI
14th Jul 20255111 PMAQI
15th Jul 20255112 AMAQI
15th Jul 2025521 AMAQI
15th Jul 2025522 AMAQI
15th Jul 2025533 AMAQI
27°C22/31°C
15th Jul 2025524 AMAQI
15th Jul 2025525 AMAQI
15th Jul 2025536 AMAQI
15th Jul 2025527 AMAQI
15th Jul 2025528 AMAQI
15th Jul 2025269 AMAQI
15th Jul 20251610 AMAQI
15th Jul 20251711 AMAQI
15th Jul 20252112 PMAQI
15th Jul 2025321 PMAQI
15th Jul 2025362 PMAQI
15th Jul 2025363 PMAQI
15th Jul 2025354 PMAQI
15th Jul 2025335 PMAQI
15th Jul 2025346 PMAQI
15th Jul 2025337 PMAQI
15th Jul 2025368 PMAQI
15th Jul 2025489 PMAQI
15th Jul 20255010 PMAQI
15th Jul 20254911 PMAQI
16th Jul 20254712 AMAQI
16th Jul 2025501 AMAQI
16th Jul 2025512 AMAQI
16th Jul 2025523 AMAQI
26°C25/31°C
16th Jul 2025514 AMAQI
16th Jul 2025495 AMAQI
16th Jul 2025516 AMAQI
16th Jul 2025507 AMAQI
16th Jul 2025508 AMAQI
16th Jul 2025389 AMAQI
16th Jul 20253910 AMAQI
16th Jul 20253811 AMAQI
16th Jul 20254012 PMAQI
16th Jul 2025421 PMAQI
16th Jul 2025442 PMAQI
16th Jul 2025423 PMAQI
16th Jul 2025434 PMAQI
16th Jul 2025485 PMAQI
16th Jul 2025486 PMAQI
16th Jul 2025487 PMAQI
16th Jul 2025478 PMAQI
16th Jul 2025469 PMAQI
16th Jul 20254410 PMAQI
16th Jul 20254411 PMAQI
17th Jul 20254412 AMAQI
17th Jul 2025461 AMAQI
17th Jul 2025492 AMAQI
17th Jul 2025483 AMAQI
28°C24/32°C
17th Jul 2025474 AMAQI
17th Jul 2025465 AMAQI
17th Jul 2025466 AMAQI
17th Jul 2025467 AMAQI
17th Jul 2025468 AMAQI
17th Jul 2025229 AMAQI
17th Jul 20251910 AMAQI
17th Jul 20252111 AMAQI
17th Jul 20252112 PMAQI
17th Jul 2025311 PMAQI
17th Jul 2025302 PMAQI
17th Jul 2025353 PMAQI
17th Jul 2025344 PMAQI
17th Jul 2025305 PMAQI
17th Jul 2025306 PMAQI
17th Jul 2025337 PMAQI
17th Jul 2025378 PMAQI
17th Jul 2025449 PMAQI
17th Jul 20254310 PMAQI
17th Jul 20254311 PMAQI
18th Jul 20254412 AMAQI
18th Jul 2025461 AMAQI
18th Jul 2025462 AMAQI
18th Jul 2025473 AMAQI
26°C25/30°C
18th Jul 2025464 AMAQI
18th Jul 2025455 AMAQI
18th Jul 2025456 AMAQI
18th Jul 2025467 AMAQI
18th Jul 2025448 AMAQI
18th Jul 2025429 AMAQI
18th Jul 20254210 AMAQI
18th Jul 20253911 AMAQI
18th Jul 20253812 PMAQI
18th Jul 2025411 PMAQI
18th Jul 2025392 PMAQI
18th Jul 2025403 PMAQI
18th Jul 2025414 PMAQI
18th Jul 2025365 PMAQI
18th Jul 2025346 PMAQI
18th Jul 2025367 PMAQI
18th Jul 2025408 PMAQI
18th Jul 2025439 PMAQI
18th Jul 20254310 PMAQI
18th Jul 20254311 PMAQI
19th Jul 20254312 AMAQI
19th Jul 2025441 AMAQI
19th Jul 2025462 AMAQI
19th Jul 2025463 AMAQI
26°C23/31°C
19th Jul 2025454 AMAQI
19th Jul 2025435 AMAQI
19th Jul 2025446 AMAQI
19th Jul 2025447 AMAQI
19th Jul 2025448 AMAQI
19th Jul 2025469 AMAQI
19th Jul 20255310 AMAQI
19th Jul 20255311 AMAQI
19th Jul 20255212 PMAQI
19th Jul 2025491 PMAQI
19th Jul 2025452 PMAQI
19th Jul 2025393 PMAQI
19th Jul 2025384 PMAQI
19th Jul 2025355 PMAQI
19th Jul 2025336 PMAQI
19th Jul 2025327 PMAQI
19th Jul 2025368 PMAQI
19th Jul 2025419 PMAQI
19th Jul 20254010 PMAQI
19th Jul 20254111 PMAQI
20th Jul 20254012 AMAQI
20th Jul 2025421 AMAQI
20th Jul 2025442 AMAQI
20th Jul 2025443 AMAQI
26°C24/29°C
20th Jul 2025444 AMAQI
20th Jul 2025445 AMAQI
20th Jul 2025446 AMAQI
20th Jul 2025457 AMAQI
20th Jul 2025448 AMAQI
20th Jul 2025419 AMAQI
20th Jul 20254310 AMAQI
20th Jul 20254411 AMAQI
20th Jul 20254412 PMAQI
20th Jul 2025421 PMAQI
20th Jul 2025422 PMAQI
20th Jul 2025423 PMAQI
20th Jul 2025434 PMAQI
20th Jul 2025405 PMAQI
20th Jul 2025426 PMAQI
20th Jul 2025407 PMAQI
20th Jul 2025418 PMAQI
20th Jul 2025439 PMAQI
20th Jul 20254310 PMAQI
20th Jul 20254311 PMAQI
21st Jul 20254212 AMAQI
21st Jul 2025431 AMAQI
21st Jul 2025422 AMAQI
21st Jul 2025423 AMAQI
27°C24/30°C
21st Jul 2025424 AMAQI
21st Jul 2025445 AMAQI
21st Jul 2025446 AMAQI
21st Jul 2025437 AMAQI
21st Jul 2025438 AMAQI
21st Jul 2025359 AMAQI
21st Jul 20253510 AMAQI
21st Jul 20254411 AMAQI
21st Jul 20254812 PMAQI
21st Jul 2025461 PMAQI
21st Jul 2025412 PMAQI
21st Jul 2025453 PMAQI
21st Jul 2025464 PMAQI
21st Jul 2025435 PMAQI
21st Jul 2025466 PMAQI
21st Jul 2025437 PMAQI
21st Jul 2025408 PMAQI
21st Jul 2025419 PMAQI
21st Jul 20254210 PMAQI
21st Jul 20254211 PMAQI
22nd Jul 20254012 AMAQI
22nd Jul 2025411 AMAQI
22nd Jul 2025422 AMAQI
22nd Jul 2025423 AMAQI
27°C23/30°C
22nd Jul 2025424 AMAQI
22nd Jul 2025435 AMAQI
22nd Jul 2025436 AMAQI
22nd Jul 2025437 AMAQI
22nd Jul 2025428 AMAQI
22nd Jul 2025389 AMAQI
22nd Jul 20254210 AMAQI
22nd Jul 20254811 AMAQI
22nd Jul 20254812 PMAQI
22nd Jul 2025491 PMAQI
22nd Jul 2025452 PMAQI
22nd Jul 2025423 PMAQI
22nd Jul 2025424 PMAQI
22nd Jul 2025425 PMAQI
22nd Jul 2025406 PMAQI
22nd Jul 2025407 PMAQI
22nd Jul 2025428 PMAQI
22nd Jul 2025429 PMAQI
22nd Jul 20254210 PMAQI
22nd Jul 20254211 PMAQI
23rd Jul 20254212 AMAQI
23rd Jul 2025421 AMAQI
23rd Jul 2025442 AMAQI
23rd Jul 2025433 AMAQI
27°C25/30°C
23rd Jul 2025434 AMAQI
23rd Jul 2025435 AMAQI
23rd Jul 2025436 AMAQI
23rd Jul 2025437 AMAQI
23rd Jul 2025448 AMAQI
23rd Jul 2025419 AMAQI
23rd Jul 20254010 AMAQI
23rd Jul 20254211 AMAQI
23rd Jul 20254412 PMAQI
23rd Jul 2025411 PMAQI
23rd Jul 2025422 PMAQI
23rd Jul 2025443 PMAQI
23rd Jul 2025444 PMAQI
23rd Jul 2025465 PMAQI
23rd Jul 2025466 PMAQI
23rd Jul 2025457 PMAQI
23rd Jul 2025428 PMAQI
23rd Jul 2025429 PMAQI
23rd Jul 20254110 PMAQI
23rd Jul 20254211 PMAQI
24th Jul 20254212 AMAQI
24th Jul 2025431 AMAQI
24th Jul 2025422 AMAQI
24th Jul 2025433 AMAQI
27°C24/30°C
24th Jul 2025444 AMAQI
24th Jul 2025445 AMAQI
24th Jul 2025436 AMAQI
24th Jul 2025447 AMAQI
24th Jul 2025448 AMAQI
24th Jul 2025489 AMAQI
24th Jul 20255210 AMAQI
24th Jul 20255011 AMAQI
24th Jul 20255012 PMAQI
24th Jul 2025481 PMAQI
24th Jul 2025502 PMAQI
24th Jul 2025503 PMAQI
24th Jul 2025524 PMAQI
24th Jul 2025495 PMAQI
24th Jul 2025466 PMAQI
24th Jul 2025467 PMAQI
24th Jul 2025508 PMAQI
24th Jul 2025479 PMAQI
24th Jul 20254810 PMAQI
24th Jul 20254811 PMAQI
25th Jul 20254812 AMAQI
25th Jul 2025461 AMAQI
25th Jul 2025442 AMAQI
25th Jul 2025443 AMAQI
27°C23/30°C
25th Jul 2025444 AMAQI
25th Jul 2025455 AMAQI
25th Jul 2025456 AMAQI
25th Jul 2025447 AMAQI
25th Jul 2025458 AMAQI
25th Jul 2025529 AMAQI
25th Jul 20255710 AMAQI
25th Jul 20255611 AMAQI
25th Jul 20255512 PMAQI
25th Jul 2025531 PMAQI
25th Jul 2025532 PMAQI
25th Jul 2025533 PMAQI
25th Jul 2025504 PMAQI
25th Jul 2025505 PMAQI
25th Jul 2025486 PMAQI
25th Jul 2025477 PMAQI
25th Jul 2025448 PMAQI
25th Jul 2025449 PMAQI
25th Jul 20254410 PMAQI
25th Jul 20254411 PMAQI
26th Jul 20254412 AMAQI
26th Jul 2025461 AMAQI
26th Jul 2025472 AMAQI
26th Jul 2025463 AMAQI
27°C23/30°C
26th Jul 2025484 AMAQI
26th Jul 2025505 AMAQI
26th Jul 2025496 AMAQI
26th Jul 2025497 AMAQI
26th Jul 2025508 AMAQI
26th Jul 2025539 AMAQI
26th Jul 20255610 AMAQI
26th Jul 20255711 AMAQI
26th Jul 20255812 PMAQI
26th Jul 2025561 PMAQI
26th Jul 2025552 PMAQI
26th Jul 2025543 PMAQI
26th Jul 2025544 PMAQI
26th Jul 2025545 PMAQI
26th Jul 2025536 PMAQI
26th Jul 2025527 PMAQI
26th Jul 2025508 PMAQI
26th Jul 2025489 PMAQI
26th Jul 20254610 PMAQI
26th Jul 20254811 PMAQI
27th Jul 20254812 AMAQI
27th Jul 2025481 AMAQI
27th Jul 2025462 AMAQI
27th Jul 2025473 AMAQI
27°C23/31°C
27th Jul 2025484 AMAQI
27th Jul 2025495 AMAQI
27th Jul 2025496 AMAQI
27th Jul 2025507 AMAQI
27th Jul 2025508 AMAQI
27th Jul 2025529 AMAQI
27th Jul 20255610 AMAQI
27th Jul 20255611 AMAQI
27th Jul 20255412 PMAQI
27th Jul 2025521 PMAQI
27th Jul 2025472 PMAQI
27th Jul 2025453 PMAQI
27th Jul 2025434 PMAQI
27th Jul 2025445 PMAQI
27th Jul 2025436 PMAQI
27th Jul 2025407 PMAQI
27th Jul 2025418 PMAQI
27th Jul 2025459 PMAQI
27th Jul 20254410 PMAQI
27th Jul 20254411 PMAQI
28th Jul 20254412 AMAQI
28th Jul 2025461 AMAQI
28th Jul 2025492 AMAQI
28th Jul 2025493 AMAQI
28°C25/31°C
28th Jul 2025484 AMAQI
28th Jul 2025495 AMAQI
28th Jul 2025486 AMAQI
28th Jul 2025497 AMAQI
28th Jul 2025508 AMAQI
28th Jul 2025429 AMAQI
28th Jul 20254410 AMAQI
28th Jul 20254711 AMAQI
28th Jul 20254912 PMAQI
28th Jul 2025461 PMAQI
28th Jul 2025462 PMAQI
28th Jul 2025443 PMAQI
28th Jul 2025394 PMAQI
28th Jul 2025385 PMAQI
28th Jul 2025396 PMAQI
28th Jul 2025407 PMAQI
28th Jul 2025408 PMAQI
28th Jul 2025439 PMAQI
28th Jul 20254410 PMAQI
28th Jul 20254511 PMAQI
29th Jul 20254412 AMAQI
29th Jul 2025441 AMAQI
29th Jul 2025482 AMAQI
29th Jul 2025473 AMAQI
27°C25/31°C
29th Jul 2025464 AMAQI
29th Jul 2025475 AMAQI
29th Jul 2025466 AMAQI
29th Jul 2025487 AMAQI
29th Jul 2025468 AMAQI
29th Jul 2025489 AMAQI
29th Jul 20255010 AMAQI
29th Jul 20254711 AMAQI
29th Jul 20254812 PMAQI
29th Jul 2025491 PMAQI
29th Jul 2025472 PMAQI
29th Jul 2025433 PMAQI
29th Jul 2025414 PMAQI
29th Jul 2025365 PMAQI
29th Jul 2025346 PMAQI
29th Jul 2025327 PMAQI
29th Jul 2025358 PMAQI
29th Jul 2025429 PMAQI
29th Jul 20254010 PMAQI
29th Jul 20254011 PMAQI
30th Jul 20254012 AMAQI
30th Jul 2025431 AMAQI
30th Jul 2025462 AMAQI
30th Jul 2025463 AMAQI
27°C24/31°C
30th Jul 2025464 AMAQI
30th Jul 2025465 AMAQI
30th Jul 2025466 AMAQI
30th Jul 2025467 AMAQI
30th Jul 2025468 AMAQI
30th Jul 2025529 AMAQI
30th Jul 20255310 AMAQI
30th Jul 20255211 AMAQI
30th Jul 20255012 PMAQI
30th Jul 2025481 PMAQI
30th Jul 2025462 PMAQI
30th Jul 2025473 PMAQI
30th Jul 2025474 PMAQI
30th Jul 2025425 PMAQI
30th Jul 2025446 PMAQI
30th Jul 2025457 PMAQI
30th Jul 2025468 PMAQI
30th Jul 2025459 PMAQI
30th Jul 20254510 PMAQI
30th Jul 20254411 PMAQI
31st Jul 20254212 AMAQI
31st Jul 2025421 AMAQI
31st Jul 2025442 AMAQI
31st Jul 2025423 AMAQI
28°C24/31°C
31st Jul 2025424 AMAQI
31st Jul 2025425 AMAQI
31st Jul 2025426 AMAQI
31st Jul 2025427 AMAQI
31st Jul 2025428 AMAQI
31st Jul 2025429 AMAQI
31st Jul 20254210 AMAQI
31st Jul 20254211 AMAQI
31st Jul 20254312 PMAQI
31st Jul 2025431 PMAQI
31st Jul 2025462 PMAQI
31st Jul 2025443 PMAQI
31st Jul 2025454 PMAQI
31st Jul 2025445 PMAQI
31st Jul 2025426 PMAQI
31st Jul 2025447 PMAQI
31st Jul 2025388 PMAQI
31st Jul 2025319 PMAQI
31st Jul 20253210 PMAQI
31st Jul 20252911 PMAQI
1st Aug 20253012 AMAQI
1st Aug 2025361 AMAQI
1st Aug 2025412 AMAQI
1st Aug 2025453 AMAQI
28°C24/32°C
1st Aug 2025424 AMAQI
1st Aug 2025405 AMAQI
1st Aug 2025406 AMAQI
1st Aug 2025407 AMAQI
1st Aug 2025408 AMAQI
1st Aug 2025379 AMAQI
1st Aug 20253410 AMAQI
1st Aug 20254211 AMAQI
1st Aug 20253712 PMAQI
1st Aug 2025381 PMAQI
1st Aug 2025332 PMAQI
1st Aug 2025353 PMAQI
1st Aug 2025414 PMAQI
1st Aug 2025395 PMAQI
1st Aug 2025346 PMAQI
1st Aug 2025267 PMAQI
1st Aug 2025308 PMAQI
1st Aug 2025309 PMAQI
1st Aug 20253410 PMAQI
1st Aug 20253211 PMAQI
2nd Aug 20252912 AMAQI
2nd Aug 2025361 AMAQI
2nd Aug 2025392 AMAQI
2nd Aug 2025413 AMAQI
27°C22/32°C
2nd Aug 2025414 AMAQI
2nd Aug 2025415 AMAQI
2nd Aug 2025426 AMAQI
2nd Aug 2025407 AMAQI
2nd Aug 2025408 AMAQI
2nd Aug 2025339 AMAQI
2nd Aug 20253510 AMAQI
2nd Aug 20254511 AMAQI
2nd Aug 20253712 PMAQI
2nd Aug 2025401 PMAQI
2nd Aug 2025482 PMAQI
2nd Aug 2025563 PMAQI
2nd Aug 2025384 PMAQI
2nd Aug 2025325 PMAQI
2nd Aug 2025476 PMAQI
2nd Aug 2025467 PMAQI
2nd Aug 2025388 PMAQI
2nd Aug 2025369 PMAQI
2nd Aug 20253410 PMAQI
2nd Aug 20254011 PMAQI
3rd Aug 20253112 AMAQI
3rd Aug 2025361 AMAQI
3rd Aug 2025372 AMAQI
3rd Aug 2025383 AMAQI
27°C25/30°C
3rd Aug 2025404 AMAQI
3rd Aug 2025395 AMAQI
3rd Aug 2025396 AMAQI
3rd Aug 2025407 AMAQI
3rd Aug 2025398 AMAQI
3rd Aug 2025459 AMAQI
3rd Aug 20254410 AMAQI
3rd Aug 20254511 AMAQI
3rd Aug 20255612 PMAQI
3rd Aug 2025511 PMAQI
3rd Aug 2025522 PMAQI
3rd Aug 2025443 PMAQI
3rd Aug 2025414 PMAQI
3rd Aug 2025455 PMAQI
3rd Aug 2025506 PMAQI
3rd Aug 2025497 PMAQI
3rd Aug 2025428 PMAQI
3rd Aug 2025389 PMAQI
3rd Aug 20253810 PMAQI
3rd Aug 20254111 PMAQI
4th Aug 20253812 AMAQI
4th Aug 2025371 AMAQI
4th Aug 2025382 AMAQI
4th Aug 2025393 AMAQI
27°C24/30°C
4th Aug 2025404 AMAQI
4th Aug 2025415 AMAQI
4th Aug 2025406 AMAQI
4th Aug 2025407 AMAQI
4th Aug 2025418 AMAQI
4th Aug 2025519 AMAQI
4th Aug 20255010 AMAQI
4th Aug 20256411 AMAQI
4th Aug 20256412 PMAQI
4th Aug 2025541 PMAQI
4th Aug 2025562 PMAQI
4th Aug 2025543 PMAQI
4th Aug 2025564 PMAQI
4th Aug 2025565 PMAQI
4th Aug 2025576 PMAQI
4th Aug 2025567 PMAQI
4th Aug 2025588 PMAQI
4th Aug 2025589 PMAQI
4th Aug 20255710 PMAQI
4th Aug 20254811 PMAQI
5th Aug 20255412 AMAQI
5th Aug 2025411 AMAQI
5th Aug 2025392 AMAQI
5th Aug 2025383 AMAQI
28°C24/31°C
5th Aug 2025464 AMAQI
5th Aug 2025475 AMAQI
5th Aug 2025476 AMAQI
5th Aug 2025497 AMAQI
5th Aug 2025488 AMAQI
5th Aug 2025549 AMAQI
5th Aug 20255710 AMAQI
5th Aug 20255511 AMAQI
5th Aug 20255512 PMAQI
5th Aug 2025471 PMAQI
5th Aug 2025432 PMAQI
5th Aug 2025473 PMAQI
5th Aug 2025544 PMAQI
5th Aug 2025485 PMAQI
5th Aug 2025456 PMAQI
5th Aug 2025377 PMAQI
5th Aug 2025468 PMAQI
5th Aug 2025439 PMAQI
5th Aug 20254410 PMAQI
5th Aug 20254011 PMAQI
6th Aug 20254012 AMAQI
6th Aug 2025461 AMAQI
6th Aug 2025462 AMAQI
6th Aug 2025443 AMAQI
28°C26/30°C
6th Aug 2025474 AMAQI
4 AM6th Aug 2025485 AMAQI
6th Aug 2025476 AMAQI
6th Aug 2025487 AMAQI
6th Aug 2025488 AMAQI
6th Aug 2025439 AMAQI
6th Aug 20253310 AMAQI
6th Aug 20253911 AMAQI
11 AM6th Aug 20253712 PMAQI
6th Aug 2025331 PMAQI
6th Aug 2025362 PMAQI
6th Aug 2025363 PMAQI
6th Aug 2025384 PMAQI
6th Aug 2025445 PMAQI
6th Aug 2025386 PMAQI
6th Aug 2025447 PMAQI
7 PM6th Aug 2025498 PMAQI
6th Aug 2025429 PMAQI
6th Aug 20254510 PMAQI
11 PM
3 AM
--°C/°C
Day time
Avg. Highest Time
4 AM - 8 AM
48AQI
5 hours / Day
150 hours / Month
Avg. Lowest Time
9 AM - 7 PM
44AQI
11 hours / Day
330 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 4 AM to 8 AM (Avg. 48), while the lowest AQI was between 9 AM to 7 PM (Avg. 44).
Night time
Avg. Highest Time
12 AM - 3 AM
47AQI
4 hours / Day
120 hours / Month
Avg. Lowest Time
8 PM - 11 PM
46AQI
4 hours / Day
120 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 3 AM (Avg. 47), while the lowest AQI was between 8 PM to 11 PM (Avg. 46).
2025 Days Vs Air Quality
Chuocho, Tainai, Niigata, Japan
2025
83%
180
17%
37
Total number of days with different AQI categories in last 218 days in 2025 (147 days remaining)
Good
180 DaysModerate
37 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 83%
Health Risk Level:
Low
In 2025, 83% of 218 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
Chuocho, Tainai, Niigata, 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.
1st January 2025
32AQI
32AQI
2nd January 2025
29AQI
29AQI
3rd January 2025
27AQI
27AQI
4th January 2025
27AQI
27AQI
5th January 2025
26AQI
26AQI
6th January 2025
29AQI
29AQI
7th January 2025
29AQI
29AQI
8th January 2025
26AQI
26AQI
9th January 2025
27AQI
27AQI
10th January 2025
27AQI
27AQI
11th January 2025
28AQI
28AQI
12th January 2025
26AQI
26AQI
13th January 2025
28AQI
28AQI
14th January 2025
27AQI
27AQI
15th January 2025
28AQI
28AQI
16th January 2025
26AQI
26AQI
17th January 2025
26AQI
26AQI
18th January 2025
29AQI
29AQI
19th January 2025
30AQI
30AQI
20th January 2025
39AQI
39AQI
21st January 2025
45AQI
45AQI
22nd January 2025
34AQI
34AQI
23rd January 2025
42AQI
42AQI
24th January 2025
41AQI
41AQI
25th January 2025
33AQI
33AQI
26th January 2025
29AQI
29AQI
27th January 2025
29AQI
29AQI
28th January 2025
28AQI
28AQI
29th January 2025
29AQI
29AQI
30th January 2025
30AQI
30AQI
31st January 2025
30AQI
30AQI
1st February 2025
33AQI
33AQI
2nd February 2025
31AQI
31AQI
3rd February 2025
29AQI
29AQI
4th February 2025
32AQI
32AQI
5th February 2025
30AQI
30AQI
6th February 2025
31AQI
31AQI
7th February 2025
33AQI
33AQI
8th February 2025
31AQI
31AQI
9th February 2025
31AQI
31AQI
10th February 2025
31AQI
31AQI
11th February 2025
32AQI
32AQI
12th February 2025
36AQI
36AQI
13th February 2025
34AQI
34AQI
14th February 2025
34AQI
34AQI
15th February 2025
31AQI
31AQI
16th February 2025
37AQI
37AQI
17th February 2025
60AQI
60AQI
18th February 2025
38AQI
38AQI
19th February 2025
60AQI
60AQI
20th February 2025
52AQI
52AQI
21st February 2025
42AQI
42AQI
22nd February 2025
37AQI
37AQI
23rd February 2025
34AQI
34AQI
24th February 2025
33AQI
33AQI
25th February 2025
35AQI
35AQI
26th February 2025
48AQI
48AQI
27th February 2025
49AQI
49AQI
28th February 2025
60AQI
60AQI
1st March 2025
54AQI
54AQI
2nd March 2025
61AQI
61AQI
3rd March 2025
41AQI
41AQI
4th March 2025
41AQI
41AQI
5th March 2025
31AQI
31AQI
6th March 2025
34AQI
34AQI
7th March 2025
35AQI
35AQI
8th March 2025
37AQI
37AQI
9th March 2025
34AQI
34AQI
10th March 2025
44AQI
44AQI
11th March 2025
45AQI
45AQI
12th March 2025
42AQI
42AQI
13th March 2025
50AQI
50AQI
14th March 2025
44AQI
44AQI
15th March 2025
46AQI
46AQI
16th March 2025
27AQI
27AQI
17th March 2025
24AQI
24AQI
18th March 2025
29AQI
29AQI
19th March 2025
25AQI
25AQI
20th March 2025
34AQI
34AQI
21st March 2025
51AQI
51AQI
22nd March 2025
56AQI
56AQI
23rd March 2025
50AQI
50AQI
24th March 2025
54AQI
54AQI
25th March 2025
70AQI
70AQI
26th March 2025
63AQI
63AQI
27th March 2025
67AQI
67AQI
28th March 2025
54AQI
54AQI
29th March 2025
42AQI
42AQI
30th March 2025
39AQI
39AQI
31st March 2025
36AQI
36AQI
1st April 2025
30AQI
30AQI
2nd April 2025
25AQI
25AQI
3rd April 2025
24AQI
24AQI
4th April 2025
23AQI
23AQI
5th April 2025
32AQI
32AQI
6th April 2025
31AQI
31AQI
7th April 2025
33AQI
33AQI
8th April 2025
43AQI
43AQI
9th April 2025
33AQI
33AQI
10th April 2025
44AQI
44AQI
11th April 2025
44AQI
44AQI
12th April 2025
45AQI
45AQI
13th April 2025
31AQI
31AQI
14th April 2025
24AQI
24AQI
15th April 2025
23AQI
23AQI
16th April 2025
32AQI
32AQI
17th April 2025
44AQI
44AQI
18th April 2025
52AQI
52AQI
19th April 2025
61AQI
61AQI
20th April 2025
50AQI
50AQI
21st April 2025
43AQI
43AQI
22nd April 2025
51AQI
51AQI
23rd April 2025
34AQI
34AQI
24th April 2025
29AQI
29AQI
25th April 2025
30AQI
30AQI
26th April 2025
47AQI
47AQI
27th April 2025
47AQI
47AQI
28th April 2025
51AQI
51AQI
29th April 2025
35AQI
35AQI
30th April 2025
33AQI
33AQI
1st May 2025
41AQI
41AQI
2nd May 2025
27AQI
27AQI
3rd May 2025
35AQI
35AQI
4th May 2025
35AQI
35AQI
5th May 2025
40AQI
40AQI
6th May 2025
34AQI
34AQI
7th May 2025
33AQI
33AQI
8th May 2025
34AQI
34AQI
9th May 2025
41AQI
41AQI
10th May 2025
28AQI
28AQI
11th May 2025
34AQI
34AQI
12th May 2025
31AQI
31AQI
13th May 2025
46AQI
46AQI
14th May 2025
47AQI
47AQI
15th May 2025
51AQI
51AQI
16th May 2025
56AQI
56AQI
17th May 2025
41AQI
41AQI
18th May 2025
51AQI
51AQI
19th May 2025
47AQI
47AQI
20th May 2025
57AQI
57AQI
21st May 2025
61AQI
61AQI
22nd May 2025
49AQI
49AQI
23rd May 2025
47AQI
47AQI
24th May 2025
42AQI
42AQI
25th May 2025
31AQI
31AQI
26th May 2025
33AQI
33AQI
27th May 2025
33AQI
33AQI
28th May 2025
35AQI
35AQI
29th May 2025
38AQI
38AQI
30th May 2025
37AQI
37AQI
31st May 2025
26AQI
26AQI
1st June 2025
26AQI
26AQI
2nd June 2025
36AQI
36AQI
3rd June 2025
41AQI
41AQI
4th June 2025
37AQI
37AQI
5th June 2025
40AQI
40AQI
6th June 2025
45AQI
45AQI
7th June 2025
52AQI
52AQI
8th June 2025
58AQI
58AQI
9th June 2025
61AQI
61AQI
10th June 2025
57AQI
57AQI
11th June 2025
48AQI
48AQI
12th June 2025
50AQI
50AQI
13th June 2025
42AQI
42AQI
14th June 2025
42AQI
42AQI
15th June 2025
29AQI
29AQI
16th June 2025
28AQI
28AQI
17th June 2025
35AQI
35AQI
18th June 2025
37AQI
37AQI
19th June 2025
40AQI
40AQI
20th June 2025
42AQI
42AQI
21st June 2025
44AQI
44AQI
22nd June 2025
52AQI
52AQI
23rd June 2025
45AQI
45AQI
24th June 2025
45AQI
45AQI
25th June 2025
48AQI
48AQI
26th June 2025
42AQI
42AQI
27th June 2025
49AQI
49AQI
28th June 2025
41AQI
41AQI
29th June 2025
44AQI
44AQI
30th June 2025
48AQI
48AQI
1st July 2025
50AQI
50AQI
2nd July 2025
55AQI
55AQI
3rd July 2025
63AQI
63AQI
4th July 2025
63AQI
63AQI
5th July 2025
58AQI
58AQI
6th July 2025
57AQI
57AQI
7th July 2025
58AQI
58AQI
8th July 2025
58AQI
58AQI
9th July 2025
56AQI
56AQI
10th July 2025
52AQI
52AQI
11th July 2025
49AQI
49AQI
12th July 2025
49AQI
49AQI
13th July 2025
52AQI
52AQI
14th July 2025
45AQI
45AQI
15th July 2025
43AQI
43AQI
16th July 2025
46AQI
46AQI
17th July 2025
39AQI
39AQI
18th July 2025
42AQI
42AQI
19th July 2025
43AQI
43AQI
20th July 2025
42AQI
42AQI
21st July 2025
43AQI
43AQI
22nd July 2025
42AQI
42AQI
23rd July 2025
43AQI
43AQI
24th July 2025
46AQI
46AQI
25th July 2025
48AQI
48AQI
26th July 2025
50AQI
50AQI
27th July 2025
47AQI
47AQI
28th July 2025
45AQI
45AQI
29th July 2025
43AQI
43AQI
30th July 2025
45AQI
45AQI
31st July 2025
41AQI
41AQI
1st August 2025
35AQI
35AQI
2nd August 2025
38AQI
38AQI
3rd August 2025
41AQI
41AQI
4th August 2025
48AQI
48AQI
5th August 2025
48AQI
48AQI
30AQI
38AQI
44AQI
37AQI
40AQI
43AQI
49AQI
42AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202540AQI
31
24
4
22
9
26
4
26
5
25
5
21
10
5
180
37
Highest AQI recorded in
July49AQI
Lowest AQI recorded in
January30AQI
202437AQI
31
27
2
25
6
11
18
1
28
3
16
14
26
5
30
1
30
30
1
29
1
31
314
51
1
Highest AQI recorded in
April56AQI
Lowest AQI recorded in
December27AQI
202340AQI
31
26
2
18
12
1
14
15
1
22
8
1
25
5
20
11
29
2
28
2
31
25
4
29
2
298
63
3
Highest AQI recorded in
April55AQI
Lowest AQI recorded in
December31AQI
202236AQI
30
19
2
27
4
22
8
20
11
22
8
21
1
27
1
28
3
30
31
278
37
Highest AQI recorded in
May47AQI
Lowest AQI recorded in
December27AQI
202134AQI
29
2
24
4
26
3
17
4
28
3
22
8
31
29
2
30
31
29
1
19
315
27
Highest AQI recorded in
June44AQI
Lowest AQI recorded in
December25AQI
202030AQI
12
1
17
4
15
3
23
7
28
1
24
5
2
19
31
29
1
31
229
22
2
Highest AQI recorded in
August45AQI
Lowest AQI recorded in
December21AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2025(Avg.)
40AQILeast Polluted Year Recorded
2020(Avg.)
30AQIChuocho's annual 2025 AQI (40) shows an average percentage change of 14.07% (worsened AQI) compared to previous years: 2020 (30), 2021 (34), 2022 (36), 2023 (40), 2024 (37).
