Tokamachi, 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
Tokamachi, Niigata, Japan
2022
2023
2024
2025
2026
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
26th Aug 2025
55AQILowest AQI recorded on
9th Aug 2023
16AQISame Day Analysis (6th August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 3rd highest AQI at 22 of Good air quality, showing improvement over 2025 and 2023 on the same day.
Day & Night AQI Trend: 5th Aug - 6th Aug 2026
Tokamachi, Niigata, Japan
AQI
Day
Night
.
4 AM5th Aug 2026
7 PM
3 AM6th Aug 2026
Day time
Avg. Highest Time
4AM5th Aug
27AQI
Avg. Lowest Time
12PM5th Aug
21AQI
Night time
Avg. Highest Time
8PM5th Aug
25AQI
Avg. Lowest Time
3AM6th Aug
21AQI
In the last 24 hours,
Tokamachi's AQI reached its highest point of 27 at 4 AM during the Day, while the lowest point, 21, was recorded at 3 AM during the Night between 5th Aug and 6th Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Tokamachi, Niigata, Japan
JulAug
08th - 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
8th Jul 2026244 AMAQI
8th Jul 2026275 AMAQI
8th Jul 2026296 AMAQI
8th Jul 2026267 AMAQI
8th Jul 2026268 AMAQI
8th Jul 2026249 AMAQI
8th Jul 20262610 AMAQI
8th Jul 20262411 AMAQI
8th Jul 20262212 PMAQI
8th Jul 2026231 PMAQI
8th Jul 2026232 PMAQI
8th Jul 2026243 PMAQI
8th Jul 2026284 PMAQI
8th Jul 2026225 PMAQI
8th Jul 2026226 PMAQI
8th Jul 2026187 PMAQI
8th Jul 2026198 PMAQI
8th Jul 2026369 PMAQI
8th Jul 20262210 PMAQI
8th Jul 20262411 PMAQI
9th Jul 20262612 AMAQI
9th Jul 2026281 AMAQI
9th Jul 2026262 AMAQI
9th Jul 2026283 AMAQI
22°C17/30°C
9th Jul 2026284 AMAQI
9th Jul 2026245 AMAQI
9th Jul 2026256 AMAQI
9th Jul 2026267 AMAQI
9th Jul 2026248 AMAQI
9th Jul 2026239 AMAQI
9th Jul 20262210 AMAQI
9th Jul 20262411 AMAQI
9th Jul 20262112 PMAQI
9th Jul 2026201 PMAQI
9th Jul 2026222 PMAQI
9th Jul 2026253 PMAQI
9th Jul 2026284 PMAQI
9th Jul 2026245 PMAQI
9th Jul 2026266 PMAQI
9th Jul 2026247 PMAQI
9th Jul 2026258 PMAQI
9th Jul 2026229 PMAQI
9th Jul 20262610 PMAQI
9th Jul 20262611 PMAQI
10th Jul 20262612 AMAQI
10th Jul 2026301 AMAQI
10th Jul 2026292 AMAQI
10th Jul 2026293 AMAQI
24°C18/32°C
10th Jul 2026264 AMAQI
10th Jul 2026305 AMAQI
10th Jul 2026306 AMAQI
10th Jul 2026287 AMAQI
10th Jul 2026308 AMAQI
10th Jul 2026289 AMAQI
10th Jul 20263010 AMAQI
10th Jul 20262611 AMAQI
10th Jul 20262812 PMAQI
10th Jul 2026281 PMAQI
10th Jul 2026252 PMAQI
10th Jul 2026253 PMAQI
10th Jul 2026264 PMAQI
10th Jul 2026315 PMAQI
10th Jul 2026306 PMAQI
10th Jul 2026307 PMAQI
10th Jul 2026288 PMAQI
10th Jul 2026299 PMAQI
10th Jul 20263010 PMAQI
10th Jul 20263211 PMAQI
11th Jul 20263212 AMAQI
11th Jul 2026311 AMAQI
11th Jul 2026302 AMAQI
11th Jul 2026323 AMAQI
25°C19/32°C
11th Jul 2026274 AMAQI
11th Jul 2026315 AMAQI
11th Jul 2026306 AMAQI
11th Jul 2026327 AMAQI
11th Jul 2026318 AMAQI
11th Jul 2026349 AMAQI
11th Jul 20263510 AMAQI
11th Jul 20263111 AMAQI
11th Jul 20262812 PMAQI
11th Jul 2026251 PMAQI
11th Jul 2026242 PMAQI
11th Jul 2026243 PMAQI
11th Jul 2026274 PMAQI
11th Jul 2026285 PMAQI
11th Jul 2026286 PMAQI
11th Jul 2026287 PMAQI
11th Jul 2026268 PMAQI
11th Jul 2026279 PMAQI
11th Jul 20262910 PMAQI
11th Jul 20263011 PMAQI
12th Jul 20263012 AMAQI
12th Jul 2026301 AMAQI
12th Jul 2026302 AMAQI
12th Jul 2026303 AMAQI
23°C20/29°C
12th Jul 2026264 AMAQI
12th Jul 2026285 AMAQI
12th Jul 2026286 AMAQI
12th Jul 2026287 AMAQI
12th Jul 2026318 AMAQI
12th Jul 2026269 AMAQI
12th Jul 20262910 AMAQI
12th Jul 20262811 AMAQI
12th Jul 20262412 PMAQI
12th Jul 2026231 PMAQI
12th Jul 2026222 PMAQI
12th Jul 2026223 PMAQI
12th Jul 2026244 PMAQI
12th Jul 2026265 PMAQI
12th Jul 2026286 PMAQI
12th Jul 2026317 PMAQI
12th Jul 2026278 PMAQI
12th Jul 2026289 PMAQI
12th Jul 20262910 PMAQI
12th Jul 20262811 PMAQI
13th Jul 20263012 AMAQI
13th Jul 2026281 AMAQI
13th Jul 2026282 AMAQI
13th Jul 2026283 AMAQI
21°C19/26°C
13th Jul 2026244 AMAQI
13th Jul 2026265 AMAQI
13th Jul 2026256 AMAQI
13th Jul 2026277 AMAQI
13th Jul 2026308 AMAQI
13th Jul 2026309 AMAQI
13th Jul 20263010 AMAQI
13th Jul 20262811 AMAQI
13th Jul 20262612 PMAQI
13th Jul 2026241 PMAQI
13th Jul 2026242 PMAQI
13th Jul 2026243 PMAQI
13th Jul 2026264 PMAQI
13th Jul 2026305 PMAQI
13th Jul 2026326 PMAQI
13th Jul 2026317 PMAQI
13th Jul 2026348 PMAQI
13th Jul 2026349 PMAQI
13th Jul 20263510 PMAQI
13th Jul 20263511 PMAQI
14th Jul 20263612 AMAQI
14th Jul 2026341 AMAQI
14th Jul 2026312 AMAQI
14th Jul 2026333 AMAQI
21°C20/22°C
14th Jul 2026304 AMAQI
14th Jul 2026325 AMAQI
14th Jul 2026316 AMAQI
14th Jul 2026307 AMAQI
14th Jul 2026268 AMAQI
14th Jul 2026309 AMAQI
14th Jul 20263210 AMAQI
14th Jul 20262411 AMAQI
14th Jul 20262612 PMAQI
14th Jul 2026221 PMAQI
14th Jul 2026222 PMAQI
14th Jul 2026223 PMAQI
14th Jul 2026234 PMAQI
14th Jul 2026315 PMAQI
14th Jul 2026286 PMAQI
14th Jul 2026307 PMAQI
14th Jul 2026298 PMAQI
14th Jul 2026309 PMAQI
14th Jul 20263210 PMAQI
14th Jul 20263411 PMAQI
15th Jul 20263012 AMAQI
15th Jul 2026321 AMAQI
15th Jul 2026322 AMAQI
15th Jul 2026303 AMAQI
24°C19/30°C
15th Jul 2026254 AMAQI
15th Jul 2026305 AMAQI
15th Jul 2026236 AMAQI
15th Jul 2026297 AMAQI
15th Jul 2026308 AMAQI
15th Jul 2026289 AMAQI
15th Jul 20263010 AMAQI
15th Jul 20262411 AMAQI
15th Jul 20262012 PMAQI
15th Jul 2026191 PMAQI
15th Jul 2026202 PMAQI
15th Jul 2026193 PMAQI
15th Jul 2026204 PMAQI
15th Jul 2026245 PMAQI
15th Jul 2026246 PMAQI
15th Jul 2026207 PMAQI
15th Jul 2026228 PMAQI
15th Jul 2026229 PMAQI
15th Jul 20262610 PMAQI
15th Jul 20262411 PMAQI
16th Jul 20262312 AMAQI
16th Jul 2026261 AMAQI
16th Jul 2026282 AMAQI
16th Jul 2026273 AMAQI
25°C19/34°C
16th Jul 2026274 AMAQI
16th Jul 2026285 AMAQI
16th Jul 2026306 AMAQI
16th Jul 2026297 AMAQI
16th Jul 2026268 AMAQI
16th Jul 2026269 AMAQI
16th Jul 20262910 AMAQI
16th Jul 20263011 AMAQI
16th Jul 20262812 PMAQI
16th Jul 2026301 PMAQI
16th Jul 2026242 PMAQI
16th Jul 2026253 PMAQI
16th Jul 2026254 PMAQI
16th Jul 2026265 PMAQI
16th Jul 2026296 PMAQI
16th Jul 2026317 PMAQI
16th Jul 2026288 PMAQI
16th Jul 2026269 PMAQI
16th Jul 20262810 PMAQI
16th Jul 20262811 PMAQI
17th Jul 20262612 AMAQI
17th Jul 2026301 AMAQI
17th Jul 2026272 AMAQI
17th Jul 2026293 AMAQI
24°C20/28°C
17th Jul 2026284 AMAQI
17th Jul 2026285 AMAQI
17th Jul 2026286 AMAQI
17th Jul 2026277 AMAQI
17th Jul 2026268 AMAQI
17th Jul 2026309 AMAQI
17th Jul 20262810 AMAQI
17th Jul 20262811 AMAQI
17th Jul 20262712 PMAQI
17th Jul 2026281 PMAQI
17th Jul 2026242 PMAQI
17th Jul 2026243 PMAQI
17th Jul 2026464 PMAQI
17th Jul 2026425 PMAQI
17th Jul 2026426 PMAQI
17th Jul 2026447 PMAQI
17th Jul 2026408 PMAQI
17th Jul 2026429 PMAQI
17th Jul 20264010 PMAQI
17th Jul 20264011 PMAQI
18th Jul 20263312 AMAQI
18th Jul 2026381 AMAQI
18th Jul 2026362 AMAQI
18th Jul 2026333 AMAQI
25°C21/32°C
18th Jul 2026314 AMAQI
18th Jul 2026315 AMAQI
18th Jul 2026296 AMAQI
18th Jul 2026297 AMAQI
18th Jul 2026278 AMAQI
18th Jul 2026299 AMAQI
18th Jul 20262510 AMAQI
18th Jul 20262511 AMAQI
18th Jul 20262312 PMAQI
18th Jul 2026231 PMAQI
18th Jul 2026212 PMAQI
18th Jul 2026213 PMAQI
18th Jul 2026364 PMAQI
18th Jul 2026305 PMAQI
18th Jul 2026386 PMAQI
18th Jul 2026367 PMAQI
18th Jul 2026298 PMAQI
18th Jul 2026299 PMAQI
18th Jul 20262710 PMAQI
18th Jul 20263311 PMAQI
19th Jul 20263312 AMAQI
19th Jul 2026331 AMAQI
19th Jul 2026312 AMAQI
19th Jul 2026293 AMAQI
24°C21/30°C
19th Jul 2026294 AMAQI
19th Jul 2026315 AMAQI
19th Jul 2026336 AMAQI
19th Jul 2026337 AMAQI
19th Jul 2026338 AMAQI
19th Jul 2026319 AMAQI
19th Jul 20263410 AMAQI
19th Jul 20263811 AMAQI
19th Jul 20262512 PMAQI
19th Jul 2026211 PMAQI
19th Jul 2026212 PMAQI
19th Jul 2026233 PMAQI
19th Jul 2026234 PMAQI
19th Jul 2026235 PMAQI
19th Jul 2026236 PMAQI
19th Jul 2026237 PMAQI
19th Jul 2026258 PMAQI
19th Jul 2026279 PMAQI
19th Jul 20263110 PMAQI
19th Jul 20263311 PMAQI
20th Jul 20263312 AMAQI
20th Jul 2026331 AMAQI
20th Jul 2026332 AMAQI
20th Jul 2026333 AMAQI
25°C21/33°C
20th Jul 2026364 AMAQI
20th Jul 2026365 AMAQI
20th Jul 2026386 AMAQI
20th Jul 2026427 AMAQI
20th Jul 2026408 AMAQI
20th Jul 2026449 AMAQI
20th Jul 20264810 AMAQI
20th Jul 20264411 AMAQI
20th Jul 20264612 PMAQI
20th Jul 2026501 PMAQI
20th Jul 2026512 PMAQI
20th Jul 2026503 PMAQI
20th Jul 2026484 PMAQI
20th Jul 2026515 PMAQI
20th Jul 2026506 PMAQI
20th Jul 2026497 PMAQI
20th Jul 2026468 PMAQI
20th Jul 2026509 PMAQI
20th Jul 20265110 PMAQI
20th Jul 20265111 PMAQI
21st Jul 20264812 AMAQI
21st Jul 2026461 AMAQI
21st Jul 2026462 AMAQI
21st Jul 2026493 AMAQI
26°C21/32°C
21st Jul 2026504 AMAQI
21st Jul 2026495 AMAQI
21st Jul 2026486 AMAQI
21st Jul 2026517 AMAQI
21st Jul 2026488 AMAQI
21st Jul 2026519 AMAQI
21st Jul 20264910 AMAQI
21st Jul 20265211 AMAQI
21st Jul 2026561 PMAQI
21st Jul 2026542 PMAQI
21st Jul 2026563 PMAQI
21st Jul 2026584 PMAQI
21st Jul 2026565 PMAQI
21st Jul 2026576 PMAQI
21st Jul 2026827 PMAQI
21st Jul 2026578 PMAQI
21st Jul 2026559 PMAQI
21st Jul 20265410 PMAQI
21st Jul 20265411 PMAQI
22nd Jul 20265412 AMAQI
22nd Jul 2026561 AMAQI
22nd Jul 2026562 AMAQI
22nd Jul 2026553 AMAQI
25°C21/29°C
22nd Jul 2026554 AMAQI
22nd Jul 2026545 AMAQI
22nd Jul 2026526 AMAQI
22nd Jul 2026547 AMAQI
22nd Jul 2026538 AMAQI
22nd Jul 2026539 AMAQI
22nd Jul 20265510 AMAQI
22nd Jul 20265511 AMAQI
22nd Jul 20265712 PMAQI
22nd Jul 2026571 PMAQI
22nd Jul 2026622 PMAQI
22nd Jul 2026583 PMAQI
22nd Jul 2026624 PMAQI
22nd Jul 2026605 PMAQI
22nd Jul 2026946 PMAQI
22nd Jul 2026927 PMAQI
22nd Jul 2026818 PMAQI
22nd Jul 2026769 PMAQI
22nd Jul 20268010 PMAQI
22nd Jul 20266811 PMAQI
23rd Jul 20266812 AMAQI
23rd Jul 2026681 AMAQI
23rd Jul 2026572 AMAQI
23rd Jul 2026683 AMAQI
25°C20/32°C
23rd Jul 2026654 AMAQI
23rd Jul 2026665 AMAQI
23rd Jul 2026536 AMAQI
23rd Jul 2026537 AMAQI
23rd Jul 2026558 AMAQI
23rd Jul 2026609 AMAQI
23rd Jul 20266410 AMAQI
23rd Jul 20265411 AMAQI
23rd Jul 20264512 PMAQI
23rd Jul 2026381 PMAQI
23rd Jul 2026422 PMAQI
23rd Jul 2026363 PMAQI
23rd Jul 2026314 PMAQI
23rd Jul 2026335 PMAQI
23rd Jul 2026446 PMAQI
23rd Jul 2026317 PMAQI
23rd Jul 2026278 PMAQI
23rd Jul 2026389 PMAQI
23rd Jul 20262910 PMAQI
23rd Jul 20262711 PMAQI
24th Jul 20262512 AMAQI
24th Jul 2026231 AMAQI
24th Jul 2026312 AMAQI
24th Jul 2026293 AMAQI
25°C21/30°C
24th Jul 2026334 AMAQI
24th Jul 2026275 AMAQI
24th Jul 2026466 AMAQI
24th Jul 2026407 AMAQI
24th Jul 2026298 AMAQI
24th Jul 2026449 AMAQI
24th Jul 20264610 AMAQI
24th Jul 20265211 AMAQI
24th Jul 20264212 PMAQI
24th Jul 2026331 PMAQI
24th Jul 2026422 PMAQI
24th Jul 2026273 PMAQI
24th Jul 2026194 PMAQI
24th Jul 2026255 PMAQI
24th Jul 2026256 PMAQI
24th Jul 2026337 PMAQI
24th Jul 2026338 PMAQI
24th Jul 2026339 PMAQI
24th Jul 20262910 PMAQI
24th Jul 20263111 PMAQI
25th Jul 20262912 AMAQI
25th Jul 2026291 AMAQI
25th Jul 2026292 AMAQI
25th Jul 2026293 AMAQI
23°C20/28°C
25th Jul 2026314 AMAQI
25th Jul 2026335 AMAQI
25th Jul 2026296 AMAQI
25th Jul 2026297 AMAQI
25th Jul 2026318 AMAQI
25th Jul 2026319 AMAQI
25th Jul 20263110 AMAQI
25th Jul 20262911 AMAQI
25th Jul 20262512 PMAQI
25th Jul 2026271 PMAQI
25th Jul 2026292 PMAQI
25th Jul 2026273 PMAQI
25th Jul 2026254 PMAQI
25th Jul 2026255 PMAQI
25th Jul 2026296 PMAQI
25th Jul 2026257 PMAQI
25th Jul 2026258 PMAQI
25th Jul 2026259 PMAQI
25th Jul 20262510 PMAQI
25th Jul 20262111 PMAQI
26th Jul 20262312 AMAQI
26th Jul 2026211 AMAQI
26th Jul 2026212 AMAQI
26th Jul 2026213 AMAQI
23°C19/27°C
26th Jul 2026274 AMAQI
26th Jul 2026275 AMAQI
26th Jul 2026336 AMAQI
26th Jul 2026277 AMAQI
26th Jul 2026218 AMAQI
26th Jul 2026299 AMAQI
26th Jul 20262910 AMAQI
26th Jul 20262711 AMAQI
26th Jul 20262512 PMAQI
26th Jul 2026271 PMAQI
26th Jul 2026212 PMAQI
26th Jul 2026233 PMAQI
26th Jul 2026234 PMAQI
26th Jul 2026215 PMAQI
26th Jul 2026216 PMAQI
26th Jul 2026257 PMAQI
26th Jul 2026218 PMAQI
26th Jul 2026219 PMAQI
26th Jul 20262510 PMAQI
26th Jul 20262311 PMAQI
27th Jul 20262312 AMAQI
27th Jul 2026231 AMAQI
27th Jul 2026212 AMAQI
27th Jul 2026213 AMAQI
21°C18/25°C
27th Jul 2026214 AMAQI
27th Jul 2026215 AMAQI
27th Jul 2026236 AMAQI
27th Jul 2026237 AMAQI
27th Jul 2026258 AMAQI
27th Jul 2026239 AMAQI
27th Jul 20262310 AMAQI
27th Jul 20262111 AMAQI
27th Jul 20262112 PMAQI
27th Jul 2026191 PMAQI
27th Jul 2026212 PMAQI
27th Jul 2026213 PMAQI
27th Jul 2026174 PMAQI
27th Jul 2026215 PMAQI
27th Jul 2026216 PMAQI
27th Jul 2026237 PMAQI
27th Jul 2026198 PMAQI
27th Jul 2026199 PMAQI
27th Jul 20261910 PMAQI
27th Jul 20262511 PMAQI
28th Jul 20262312 AMAQI
28th Jul 2026231 AMAQI
28th Jul 2026252 AMAQI
28th Jul 2026253 AMAQI
22°C17/25°C
28th Jul 2026234 AMAQI
28th Jul 2026295 AMAQI
28th Jul 2026256 AMAQI
28th Jul 2026297 AMAQI
28th Jul 2026298 AMAQI
28th Jul 2026339 AMAQI
28th Jul 20262910 AMAQI
28th Jul 20262511 AMAQI
28th Jul 20262312 PMAQI
28th Jul 2026251 PMAQI
28th Jul 2026312 PMAQI
28th Jul 2026303 PMAQI
28th Jul 2026314 PMAQI
28th Jul 2026315 PMAQI
28th Jul 2026296 PMAQI
28th Jul 2026297 PMAQI
28th Jul 2026278 PMAQI
28th Jul 2026299 PMAQI
28th Jul 20262910 PMAQI
28th Jul 20262911 PMAQI
29th Jul 20262912 AMAQI
29th Jul 2026251 AMAQI
29th Jul 2026252 AMAQI
29th Jul 2026273 AMAQI
21°C18/29°C
29th Jul 2026254 AMAQI
29th Jul 2026295 AMAQI
29th Jul 2026336 AMAQI
29th Jul 2026297 AMAQI
29th Jul 2026338 AMAQI
29th Jul 2026339 AMAQI
29th Jul 20263310 AMAQI
29th Jul 20262511 AMAQI
29th Jul 20262512 PMAQI
29th Jul 2026331 PMAQI
29th Jul 2026332 PMAQI
29th Jul 2026333 PMAQI
29th Jul 2026294 PMAQI
29th Jul 2026325 PMAQI
29th Jul 2026216 PMAQI
29th Jul 2026387 PMAQI
29th Jul 2026338 PMAQI
29th Jul 2026389 PMAQI
29th Jul 20263310 PMAQI
29th Jul 20262511 PMAQI
30th Jul 20263312 AMAQI
30th Jul 2026331 AMAQI
30th Jul 2026252 AMAQI
30th Jul 2026253 AMAQI
20°C18/23°C
30th Jul 2026294 AMAQI
30th Jul 2026295 AMAQI
30th Jul 2026276 AMAQI
30th Jul 2026217 AMAQI
30th Jul 2026218 AMAQI
30th Jul 2026219 AMAQI
30th Jul 20262110 AMAQI
30th Jul 20262511 AMAQI
30th Jul 20262512 PMAQI
30th Jul 2026251 PMAQI
30th Jul 2026272 PMAQI
30th Jul 2026293 PMAQI
30th Jul 2026314 PMAQI
30th Jul 2026295 PMAQI
30th Jul 2026336 PMAQI
30th Jul 2026317 PMAQI
30th Jul 2026298 PMAQI
30th Jul 2026319 PMAQI
30th Jul 20263610 PMAQI
30th Jul 20263311 PMAQI
31st Jul 20263312 AMAQI
31st Jul 2026331 AMAQI
31st Jul 2026332 AMAQI
31st Jul 2026313 AMAQI
22°C18/27°C
31st Jul 2026364 AMAQI
31st Jul 2026335 AMAQI
31st Jul 2026336 AMAQI
31st Jul 2026367 AMAQI
31st Jul 2026338 AMAQI
31st Jul 2026299 AMAQI
31st Jul 20262910 AMAQI
31st Jul 20262911 AMAQI
31st Jul 20263112 PMAQI
31st Jul 2026331 PMAQI
31st Jul 2026312 PMAQI
31st Jul 2026293 PMAQI
31st Jul 2026314 PMAQI
31st Jul 2026295 PMAQI
31st Jul 2026316 PMAQI
31st Jul 2026297 PMAQI
31st Jul 2026298 PMAQI
31st Jul 2026299 PMAQI
31st Jul 20262910 PMAQI
31st Jul 20262911 PMAQI
1st Aug 20262912 AMAQI
1st Aug 2026291 AMAQI
1st Aug 2026312 AMAQI
1st Aug 2026293 AMAQI
23°C19/26°C
1st Aug 2026294 AMAQI
1st Aug 2026315 AMAQI
1st Aug 2026296 AMAQI
1st Aug 2026297 AMAQI
1st Aug 2026298 AMAQI
1st Aug 2026299 AMAQI
1st Aug 20263110 AMAQI
1st Aug 20263311 AMAQI
1st Aug 20263612 PMAQI
1st Aug 2026311 PMAQI
1st Aug 2026332 PMAQI
1st Aug 2026363 PMAQI
1st Aug 2026334 PMAQI
1st Aug 2026335 PMAQI
1st Aug 2026386 PMAQI
1st Aug 2026337 PMAQI
1st Aug 2026388 PMAQI
1st Aug 2026389 PMAQI
1st Aug 20263310 PMAQI
1st Aug 20263611 PMAQI
2nd Aug 20263612 AMAQI
2nd Aug 2026331 AMAQI
2nd Aug 2026362 AMAQI
2nd Aug 2026333 AMAQI
23°C19/30°C
2nd Aug 2026334 AMAQI
2nd Aug 2026335 AMAQI
2nd Aug 2026316 AMAQI
2nd Aug 2026367 AMAQI
2nd Aug 2026368 AMAQI
2nd Aug 2026339 AMAQI
2nd Aug 20263610 AMAQI
2nd Aug 20263111 AMAQI
2nd Aug 20263312 PMAQI
2nd Aug 2026331 PMAQI
2nd Aug 2026312 PMAQI
2nd Aug 2026333 PMAQI
2nd Aug 2026334 PMAQI
2nd Aug 2026315 PMAQI
2nd Aug 2026336 PMAQI
2nd Aug 2026337 PMAQI
2nd Aug 2026318 PMAQI
2nd Aug 2026339 PMAQI
2nd Aug 20263110 PMAQI
2nd Aug 20263111 PMAQI
3rd Aug 20263312 AMAQI
3rd Aug 2026311 AMAQI
3rd Aug 2026312 AMAQI
3rd Aug 2026293 AMAQI
24°C20/29°C
3rd Aug 2026314 AMAQI
3rd Aug 2026315 AMAQI
3rd Aug 2026296 AMAQI
3rd Aug 2026317 AMAQI
3rd Aug 2026298 AMAQI
3rd Aug 2026319 AMAQI
3rd Aug 20263110 AMAQI
3rd Aug 20263111 AMAQI
3rd Aug 20263112 PMAQI
3rd Aug 2026361 PMAQI
3rd Aug 2026332 PMAQI
3rd Aug 2026333 PMAQI
3rd Aug 2026334 PMAQI
3rd Aug 2026315 PMAQI
3rd Aug 2026316 PMAQI
3rd Aug 2026277 PMAQI
3rd Aug 2026258 PMAQI
3rd Aug 2026259 PMAQI
3rd Aug 20262110 PMAQI
3rd Aug 20262811 PMAQI
4th Aug 20263212 AMAQI
4th Aug 2026261 AMAQI
4th Aug 2026302 AMAQI
4th Aug 2026303 AMAQI
24°C20/29°C
4th Aug 2026364 AMAQI
4th Aug 2026335 AMAQI
4th Aug 2026336 AMAQI
4th Aug 2026337 AMAQI
4th Aug 2026318 AMAQI
4th Aug 2026339 AMAQI
4th Aug 20263610 AMAQI
4th Aug 20263111 AMAQI
4th Aug 20263312 PMAQI
4th Aug 2026291 PMAQI
4th Aug 2026312 PMAQI
4th Aug 2026333 PMAQI
4th Aug 2026384 PMAQI
4th Aug 2026295 PMAQI
4th Aug 2026256 PMAQI
4th Aug 2026297 PMAQI
4th Aug 2026298 PMAQI
4th Aug 2026299 PMAQI
4th Aug 20263310 PMAQI
4th Aug 20263111 PMAQI
5th Aug 20262912 AMAQI
5th Aug 2026291 AMAQI
5th Aug 2026332 AMAQI
5th Aug 2026313 AMAQI
24°C18/31°C
5th Aug 2026274 AMAQI
5th Aug 2026275 AMAQI
5th Aug 2026256 AMAQI
5th Aug 2026257 AMAQI
5th Aug 2026238 AMAQI
5th Aug 2026239 AMAQI
5th Aug 20262310 AMAQI
5th Aug 20262111 AMAQI
5th Aug 20262112 PMAQI
5th Aug 2026251 PMAQI
5th Aug 2026252 PMAQI
5th Aug 2026233 PMAQI
5th Aug 2026254 PMAQI
5th Aug 2026255 PMAQI
5th Aug 2026256 PMAQI
5th Aug 2026237 PMAQI
5th Aug 2026258 PMAQI
5th Aug 2026259 PMAQI
5th Aug 20262310 PMAQI
5th Aug 20262311 PMAQI
6th Aug 20262112 AMAQI
6th Aug 2026231 AMAQI
6th Aug 2026212 AMAQI
6th Aug 2026213 AMAQI
24°C16/33°C
6th Aug 2026214 AMAQI
4 AM6th Aug 2026215 AMAQI
6th Aug 2026216 AMAQI
6th Aug 2026217 AMAQI
6th Aug 2026218 AMAQI
6th Aug 2026219 AMAQI
6th Aug 20262310 AMAQI
6th Aug 20262511 AMAQI
11 AM6th Aug 20262112 PMAQI
6th Aug 2026231 PMAQI
6th Aug 2026232 PMAQI
6th Aug 2026213 PMAQI
6th Aug 2026214 PMAQI
6th Aug 2026215 PMAQI
6th Aug 2026326 PMAQI
6th Aug 2026277 PMAQI
7 PM6th Aug 2026218 PMAQI
6th Aug 2026219 PMAQI
6th Aug 20262110 PMAQI
6th Aug 20262111 PMAQI
11 PM3 AM
26°C20/34°C
Day time
Avg. Highest Time
6 PM - 7 PM
34AQI
2 hours / Day
60 hours / Month
Avg. Lowest Time
12 PM
29AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 6 PM to 7 PM (Avg. 34), while the lowest AQI was between 12 PM to 12 PM (Avg. 29).
Night time
Avg. Highest Time
12 AM - 1 AM
32AQI
2 hours / Day
60 hours / Month
Avg. Lowest Time
2 AM - 8 PM
31AQI
3 hours / Day
90 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 1 AM (Avg. 32), while the lowest AQI was between 2 AM to 8 PM (Avg. 31).
2026 Days Vs Air Quality
Tokamachi, Niigata, Japan
2026
84%
184
16%
34
Total number of days with different AQI categories in last 218 days in 2026 (147 days remaining)
Good
184 DaysModerate
34 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 84%
Health Risk Level:
Low
In 2026, 84% 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
Tokamachi, Niigata, 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
15AQI (US)
15AQI (US)
2nd January 2026
18AQI (US)
18AQI (US)
3rd January 2026
18AQI (US)
18AQI (US)
4th January 2026
29AQI (US)
29AQI (US)
5th January 2026
23AQI (US)
23AQI (US)
6th January 2026
20AQI (US)
20AQI (US)
7th January 2026
26AQI (US)
26AQI (US)
8th January 2026
22AQI (US)
22AQI (US)
9th January 2026
18AQI (US)
18AQI (US)
10th January 2026
28AQI (US)
28AQI (US)
11th January 2026
31AQI (US)
31AQI (US)
12th January 2026
17AQI (US)
17AQI (US)
13th January 2026
21AQI (US)
21AQI (US)
14th January 2026
15AQI (US)
15AQI (US)
15th January 2026
25AQI (US)
25AQI (US)
16th January 2026
43AQI (US)
43AQI (US)
17th January 2026
40AQI (US)
40AQI (US)
18th January 2026
29AQI (US)
29AQI (US)
19th January 2026
50AQI (US)
50AQI (US)
20th January 2026
25AQI (US)
25AQI (US)
21st January 2026
12AQI (US)
12AQI (US)
22nd January 2026
26AQI (US)
26AQI (US)
23rd January 2026
50AQI (US)
50AQI (US)
24th January 2026
49AQI (US)
49AQI (US)
25th January 2026
40AQI (US)
40AQI (US)
26th January 2026
29AQI (US)
29AQI (US)
27th January 2026
42AQI (US)
42AQI (US)
28th January 2026
26AQI (US)
26AQI (US)
29th January 2026
24AQI (US)
24AQI (US)
30th January 2026
35AQI (US)
35AQI (US)
31st January 2026
40AQI (US)
40AQI (US)
1st February 2026
39AQI (US)
39AQI (US)
2nd February 2026
49AQI (US)
49AQI (US)
3rd February 2026
31AQI (US)
31AQI (US)
4th February 2026
50AQI (US)
50AQI (US)
5th February 2026
47AQI (US)
47AQI (US)
6th February 2026
37AQI (US)
37AQI (US)
7th February 2026
14AQI (US)
14AQI (US)
8th February 2026
21AQI (US)
21AQI (US)
9th February 2026
42AQI (US)
42AQI (US)
10th February 2026
50AQI (US)
50AQI (US)
11th February 2026
53AQI (US)
53AQI (US)
12th February 2026
36AQI (US)
36AQI (US)
13th February 2026
49AQI (US)
49AQI (US)
14th February 2026
71AQI (US)
71AQI (US)
15th February 2026
55AQI (US)
55AQI (US)
16th February 2026
45AQI (US)
45AQI (US)
17th February 2026
19AQI (US)
19AQI (US)
18th February 2026
31AQI (US)
31AQI (US)
19th February 2026
31AQI (US)
31AQI (US)
20th February 2026
30AQI (US)
30AQI (US)
21st February 2026
48AQI (US)
48AQI (US)
22nd February 2026
45AQI (US)
45AQI (US)
23rd February 2026
47AQI (US)
47AQI (US)
24th February 2026
32AQI (US)
32AQI (US)
25th February 2026
31AQI (US)
31AQI (US)
26th February 2026
14AQI (US)
14AQI (US)
27th February 2026
42AQI (US)
42AQI (US)
28th February 2026
45AQI (US)
45AQI (US)
1st March 2026
42AQI (US)
42AQI (US)
2nd March 2026
90AQI (US)
90AQI (US)
3rd March 2026
53AQI (US)
53AQI (US)
4th March 2026
19AQI (US)
19AQI (US)
5th March 2026
67AQI (US)
67AQI (US)
6th March 2026
56AQI (US)
56AQI (US)
7th March 2026
48AQI (US)
48AQI (US)
8th March 2026
55AQI (US)
55AQI (US)
9th March 2026
53AQI (US)
53AQI (US)
10th March 2026
56AQI (US)
56AQI (US)
11th March 2026
58AQI (US)
58AQI (US)
12th March 2026
71AQI (US)
71AQI (US)
13th March 2026
46AQI (US)
46AQI (US)
14th March 2026
51AQI (US)
51AQI (US)
15th March 2026
63AQI (US)
63AQI (US)
16th March 2026
66AQI (US)
66AQI (US)
17th March 2026
63AQI (US)
63AQI (US)
18th March 2026
48AQI (US)
48AQI (US)
19th March 2026
31AQI (US)
31AQI (US)
20th March 2026
28AQI (US)
28AQI (US)
21st March 2026
58AQI (US)
58AQI (US)
22nd March 2026
44AQI (US)
44AQI (US)
23rd March 2026
53AQI (US)
53AQI (US)
24th March 2026
67AQI (US)
67AQI (US)
25th March 2026
56AQI (US)
56AQI (US)
26th March 2026
19AQI (US)
19AQI (US)
27th March 2026
19AQI (US)
19AQI (US)
28th March 2026
52AQI (US)
52AQI (US)
29th March 2026
57AQI (US)
57AQI (US)
30th March 2026
58AQI (US)
58AQI (US)
31st March 2026
46AQI (US)
46AQI (US)
1st April 2026
18AQI (US)
18AQI (US)
2nd April 2026
18AQI (US)
18AQI (US)
3rd April 2026
49AQI (US)
49AQI (US)
4th April 2026
46AQI (US)
46AQI (US)
5th April 2026
30AQI (US)
30AQI (US)
6th April 2026
20AQI (US)
20AQI (US)
7th April 2026
26AQI (US)
26AQI (US)
8th April 2026
26AQI (US)
26AQI (US)
9th April 2026
44AQI (US)
44AQI (US)
10th April 2026
46AQI (US)
46AQI (US)
11th April 2026
39AQI (US)
39AQI (US)
12th April 2026
35AQI (US)
35AQI (US)
13th April 2026
36AQI (US)
36AQI (US)
14th April 2026
44AQI (US)
44AQI (US)
15th April 2026
49AQI (US)
49AQI (US)
16th April 2026
34AQI (US)
34AQI (US)
17th April 2026
38AQI (US)
38AQI (US)
18th April 2026
38AQI (US)
38AQI (US)
19th April 2026
40AQI (US)
40AQI (US)
20th April 2026
38AQI (US)
38AQI (US)
21st April 2026
42AQI (US)
42AQI (US)
22nd April 2026
44AQI (US)
44AQI (US)
23rd April 2026
26AQI (US)
26AQI (US)
24th April 2026
31AQI (US)
31AQI (US)
25th April 2026
45AQI (US)
45AQI (US)
26th April 2026
50AQI (US)
50AQI (US)
27th April 2026
48AQI (US)
48AQI (US)
28th April 2026
40AQI (US)
40AQI (US)
29th April 2026
39AQI (US)
39AQI (US)
30th April 2026
40AQI (US)
40AQI (US)
1st May 2026
47AQI (US)
47AQI (US)
2nd May 2026
54AQI (US)
54AQI (US)
3rd May 2026
43AQI (US)
43AQI (US)
4th May 2026
29AQI (US)
29AQI (US)
5th May 2026
24AQI (US)
24AQI (US)
6th May 2026
35AQI (US)
35AQI (US)
7th May 2026
36AQI (US)
36AQI (US)
8th May 2026
26AQI (US)
26AQI (US)
9th May 2026
29AQI (US)
29AQI (US)
10th May 2026
35AQI (US)
35AQI (US)
11th May 2026
37AQI (US)
37AQI (US)
12th May 2026
44AQI (US)
44AQI (US)
13th May 2026
44AQI (US)
44AQI (US)
14th May 2026
38AQI (US)
38AQI (US)
15th May 2026
40AQI (US)
40AQI (US)
16th May 2026
84AQI (US)
84AQI (US)
17th May 2026
68AQI (US)
68AQI (US)
18th May 2026
53AQI (US)
53AQI (US)
19th May 2026
48AQI (US)
48AQI (US)
20th May 2026
60AQI (US)
60AQI (US)
21st May 2026
60AQI (US)
60AQI (US)
22nd May 2026
63AQI (US)
63AQI (US)
23rd May 2026
55AQI (US)
55AQI (US)
24th May 2026
59AQI (US)
59AQI (US)
25th May 2026
49AQI (US)
49AQI (US)
26th May 2026
41AQI (US)
41AQI (US)
27th May 2026
50AQI (US)
50AQI (US)
28th May 2026
27AQI (US)
27AQI (US)
29th May 2026
19AQI (US)
19AQI (US)
30th May 2026
23AQI (US)
23AQI (US)
31st May 2026
30AQI (US)
30AQI (US)
1st June 2026
43AQI (US)
43AQI (US)
2nd June 2026
45AQI (US)
45AQI (US)
3rd June 2026
19AQI (US)
19AQI (US)
4th June 2026
14AQI (US)
14AQI (US)
5th June 2026
22AQI (US)
22AQI (US)
6th June 2026
24AQI (US)
24AQI (US)
7th June 2026
21AQI (US)
21AQI (US)
8th June 2026
21AQI (US)
21AQI (US)
9th June 2026
22AQI (US)
22AQI (US)
10th June 2026
21AQI (US)
21AQI (US)
11th June 2026
23AQI (US)
23AQI (US)
12th June 2026
24AQI (US)
24AQI (US)
13th June 2026
25AQI (US)
25AQI (US)
14th June 2026
23AQI (US)
23AQI (US)
15th June 2026
22AQI (US)
22AQI (US)
16th June 2026
19AQI (US)
19AQI (US)
17th June 2026
25AQI (US)
25AQI (US)
18th June 2026
26AQI (US)
26AQI (US)
19th June 2026
31AQI (US)
31AQI (US)
20th June 2026
22AQI (US)
22AQI (US)
21st June 2026
20AQI (US)
20AQI (US)
22nd June 2026
19AQI (US)
19AQI (US)
23rd June 2026
21AQI (US)
21AQI (US)
24th June 2026
20AQI (US)
20AQI (US)
25th June 2026
25AQI (US)
25AQI (US)
26th June 2026
28AQI (US)
28AQI (US)
27th June 2026
27AQI (US)
27AQI (US)
28th June 2026
28AQI (US)
28AQI (US)
29th June 2026
28AQI (US)
28AQI (US)
30th June 2026
23AQI (US)
23AQI (US)
1st July 2026
23AQI (US)
23AQI (US)
2nd July 2026
22AQI (US)
22AQI (US)
3rd July 2026
24AQI (US)
24AQI (US)
4th July 2026
24AQI (US)
24AQI (US)
5th July 2026
22AQI (US)
22AQI (US)
6th July 2026
20AQI (US)
20AQI (US)
7th July 2026
20AQI (US)
20AQI (US)
8th July 2026
25AQI (US)
25AQI (US)
9th July 2026
25AQI (US)
25AQI (US)
10th July 2026
28AQI (US)
28AQI (US)
11th July 2026
29AQI (US)
29AQI (US)
12th July 2026
27AQI (US)
27AQI (US)
13th July 2026
29AQI (US)
29AQI (US)
14th July 2026
29AQI (US)
29AQI (US)
15th July 2026
25AQI (US)
25AQI (US)
16th July 2026
27AQI (US)
27AQI (US)
17th July 2026
32AQI (US)
32AQI (US)
18th July 2026
30AQI (US)
30AQI (US)
19th July 2026
29AQI (US)
29AQI (US)
20th July 2026
44AQI (US)
44AQI (US)
21st July 2026
53AQI (US)
53AQI (US)
22nd July 2026
62AQI (US)
62AQI (US)
23rd July 2026
48AQI (US)
48AQI (US)
24th July 2026
33AQI (US)
33AQI (US)
25th July 2026
28AQI (US)
28AQI (US)
26th July 2026
24AQI (US)
24AQI (US)
27th July 2026
21AQI (US)
21AQI (US)
28th July 2026
28AQI (US)
28AQI (US)
29th July 2026
30AQI (US)
30AQI (US)
30th July 2026
28AQI (US)
28AQI (US)
31st July 2026
31AQI (US)
31AQI (US)
1st August 2026
32AQI (US)
32AQI (US)
2nd August 2026
33AQI (US)
33AQI (US)
3rd August 2026
30AQI (US)
30AQI (US)
4th August 2026
31AQI (US)
31AQI (US)
5th August 2026
25AQI (US)
25AQI (US)
6th August 2026
22AQI (US)
22AQI (US)
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
29AQI (US)
39AQI (US)
51AQI (US)
37AQI (US)
44AQI (US)
24AQI (US)
30AQI (US)
29AQI (US)
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202636AQI (US)
31
25
3
11
20
30
22
9
30
29
2
6
184
34
Highest AQI (US) recorded in
March51AQI (US)
Lowest AQI (US) recorded in
June24AQI (US)
202540AQI (US)
31
27
1
22
9
27
3
27
4
23
7
21
10
28
3
30
19
12
25
5
29
2
309
56
Highest AQI (US) recorded in
July49AQI (US)
Lowest AQI (US) recorded in
September32AQI (US)
202433AQI (US)
29
1
29
26
5
22
8
29
2
22
8
28
3
30
1
30
31
28
2
31
335
30
Highest AQI (US) recorded in
April48AQI (US)
Lowest AQI (US) recorded in
December27AQI (US)
202334AQI (US)
30
27
1
22
9
24
6
25
6
28
2
24
7
29
2
30
31
26
3
31
327
36
Highest AQI (US) recorded in
April46AQI (US)
Lowest AQI (US) recorded in
October26AQI (US)
202234AQI (US)
29
21
26
5
24
5
25
6
24
6
21
1
21
7
31
30
31
284
29
Highest AQI (US) recorded in
May42AQI (US)
Lowest AQI (US) recorded in
August17AQI (US)
202130AQI (US)
27
3
26
2
29
20
2
29
2
23
7
28
3
31
30
31
30
24
328
19
Highest AQI (US) recorded in
June41AQI (US)
Lowest AQI (US) recorded in
December23AQI (US)
202026AQI (US)
13
20
1
18
27
3
28
1
2
4
2
28
138
9
Highest AQI (US) recorded in
August46AQI (US)
Lowest AQI (US) recorded in
December20AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Most Polluted Year Recorded
2025(Avg.)
40AQI (US)Least Polluted Year Recorded
2020(Avg.)
26AQI (US)Tokamachi's annual 2026 AQI (US) (36) shows an average percentage change of 11.5% (worsened AQI (US)) compared to previous years: 2020 (26), 2021 (30), 2022 (34), 2023 (34), 2024 (33), 2025 (40).
