Naganohara, Gunma, 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
Naganohara, Gunma, Japan
2022
2023
2024
2025
2026
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
4th Aug 2024
74AQILowest AQI recorded on
30th Aug 2024
10AQISame Day Analysis (5th August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 4th highest AQI at 24 of Good air quality, showing improvement over 2025, 2024 and 2023 on the same day.
Day & Night AQI Trend: 4th Aug - 5th Aug 2026
Naganohara, Gunma, Japan
AQI
Day
Night
.
4 AM4th Aug 2026
7 PM
3 AM5th Aug 2026
Day time
Avg. Highest Time
3PM4th Aug
29AQI
Avg. Lowest Time
6AM4th Aug
12AQI
Night time
Avg. Highest Time
3AM5th Aug
30AQI
Avg. Lowest Time
2AM5th Aug
21AQI
In the last 24 hours,
Naganohara's AQI reached its highest point of 30 at 3 AM during the Night, while the lowest point, 12, was recorded at 6 AM during the Day between 4th Aug and 5th Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Naganohara, Gunma, 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
Day
Night
7th Jul 202684 AMAQI
7th Jul 202685 AMAQI
7th Jul 2026266 AMAQI
7th Jul 2026267 AMAQI
7th Jul 2026288 AMAQI
7th Jul 2026229 AMAQI
7th Jul 20262210 AMAQI
7th Jul 20262011 AMAQI
7th Jul 20262012 PMAQI
7th Jul 2026201 PMAQI
7th Jul 2026212 PMAQI
7th Jul 2026263 PMAQI
7th Jul 2026254 PMAQI
7th Jul 2026285 PMAQI
7th Jul 2026266 PMAQI
7th Jul 2026287 PMAQI
7th Jul 2026268 PMAQI
7th Jul 2026289 PMAQI
7th Jul 20262610 PMAQI
7th Jul 20262811 PMAQI
8th Jul 20263012 AMAQI
8th Jul 2026301 AMAQI
8th Jul 2026282 AMAQI
8th Jul 2026283 AMAQI
18°C16/23°C
8th Jul 2026264 AMAQI
8th Jul 2026285 AMAQI
8th Jul 2026286 AMAQI
8th Jul 2026287 AMAQI
8th Jul 2026288 AMAQI
8th Jul 2026249 AMAQI
8th Jul 20262410 AMAQI
8th Jul 20262411 AMAQI
8th Jul 20262312 PMAQI
8th Jul 2026241 PMAQI
8th Jul 2026242 PMAQI
8th Jul 2026283 PMAQI
8th Jul 2026254 PMAQI
8th Jul 2026245 PMAQI
8th Jul 2026276 PMAQI
8th Jul 2026247 PMAQI
8th Jul 2026588 PMAQI
8th Jul 2026569 PMAQI
8th Jul 20265910 PMAQI
8th Jul 20266011 PMAQI
9th Jul 20265212 AMAQI
9th Jul 2026551 AMAQI
9th Jul 2026562 AMAQI
9th Jul 2026543 AMAQI
20°C16/26°C
9th Jul 2026534 AMAQI
9th Jul 2026555 AMAQI
9th Jul 2026286 AMAQI
9th Jul 2026287 AMAQI
9th Jul 2026268 AMAQI
9th Jul 2026209 AMAQI
9th Jul 20262310 AMAQI
9th Jul 20262211 AMAQI
9th Jul 20262212 PMAQI
9th Jul 2026201 PMAQI
9th Jul 2026232 PMAQI
9th Jul 2026263 PMAQI
9th Jul 2026244 PMAQI
9th Jul 2026255 PMAQI
9th Jul 2026266 PMAQI
9th Jul 2026267 PMAQI
9th Jul 2026288 PMAQI
9th Jul 2026259 PMAQI
9th Jul 20262810 PMAQI
9th Jul 20262811 PMAQI
10th Jul 20262812 AMAQI
10th Jul 2026291 AMAQI
10th Jul 2026262 AMAQI
10th Jul 2026283 AMAQI
21°C15/29°C
10th Jul 2026254 AMAQI
10th Jul 2026275 AMAQI
10th Jul 2026306 AMAQI
10th Jul 2026307 AMAQI
10th Jul 2026308 AMAQI
10th Jul 2026289 AMAQI
10th Jul 20262910 AMAQI
10th Jul 20263011 AMAQI
10th Jul 20262812 PMAQI
10th Jul 2026271 PMAQI
10th Jul 2026262 PMAQI
10th Jul 2026283 PMAQI
10th Jul 2026284 PMAQI
10th Jul 2026325 PMAQI
10th Jul 2026326 PMAQI
10th Jul 2026317 PMAQI
10th Jul 2026348 PMAQI
10th Jul 2026329 PMAQI
10th Jul 20263110 PMAQI
10th Jul 20263411 PMAQI
11th Jul 20263212 AMAQI
11th Jul 2026321 AMAQI
11th Jul 2026302 AMAQI
11th Jul 2026323 AMAQI
23°C16/31°C
11th Jul 2026304 AMAQI
11th Jul 2026315 AMAQI
11th Jul 2026326 AMAQI
11th Jul 2026317 AMAQI
11th Jul 2026348 AMAQI
11th Jul 2026329 AMAQI
11th Jul 20263310 AMAQI
11th Jul 20262811 AMAQI
11th Jul 20262912 PMAQI
11th Jul 2026261 PMAQI
11th Jul 2026252 PMAQI
11th Jul 2026243 PMAQI
11th Jul 2026304 PMAQI
11th Jul 2026325 PMAQI
11th Jul 2026326 PMAQI
11th Jul 2026307 PMAQI
11th Jul 2026298 PMAQI
11th Jul 2026319 PMAQI
11th Jul 20263110 PMAQI
11th Jul 20263211 PMAQI
12th Jul 20263212 AMAQI
12th Jul 2026331 AMAQI
12th Jul 2026322 AMAQI
12th Jul 2026343 AMAQI
22°C17/29°C
12th Jul 2026294 AMAQI
12th Jul 2026285 AMAQI
12th Jul 2026326 AMAQI
12th Jul 2026307 AMAQI
12th Jul 2026298 AMAQI
12th Jul 2026329 AMAQI
12th Jul 20263210 AMAQI
12th Jul 20262811 AMAQI
12th Jul 20262812 PMAQI
12th Jul 2026241 PMAQI
12th Jul 2026252 PMAQI
12th Jul 2026243 PMAQI
12th Jul 2026264 PMAQI
12th Jul 2026275 PMAQI
12th Jul 2026286 PMAQI
12th Jul 2026297 PMAQI
12th Jul 2026288 PMAQI
12th Jul 2026279 PMAQI
12th Jul 20262810 PMAQI
12th Jul 20262811 PMAQI
13th Jul 20262912 AMAQI
13th Jul 2026271 AMAQI
13th Jul 2026292 AMAQI
13th Jul 2026273 AMAQI
21°C17/27°C
13th Jul 2026244 AMAQI
13th Jul 2026265 AMAQI
13th Jul 2026266 AMAQI
13th Jul 2026267 AMAQI
13th Jul 2026288 AMAQI
13th Jul 2026289 AMAQI
13th Jul 20262810 AMAQI
13th Jul 20262611 AMAQI
13th Jul 20262412 PMAQI
13th Jul 2026221 PMAQI
13th Jul 2026222 PMAQI
13th Jul 2026213 PMAQI
13th Jul 2026254 PMAQI
13th Jul 2026285 PMAQI
13th Jul 2026286 PMAQI
13th Jul 2026327 PMAQI
13th Jul 2026298 PMAQI
13th Jul 2026299 PMAQI
13th Jul 20263010 PMAQI
13th Jul 20263311 PMAQI
14th Jul 20262912 AMAQI
14th Jul 2026311 AMAQI
14th Jul 2026292 AMAQI
14th Jul 2026263 AMAQI
19°C16/24°C
14th Jul 2026254 AMAQI
14th Jul 2026305 AMAQI
14th Jul 2026306 AMAQI
14th Jul 2026307 AMAQI
14th Jul 2026268 AMAQI
14th Jul 2026309 AMAQI
14th Jul 20263110 AMAQI
14th Jul 20262311 AMAQI
14th Jul 20262212 PMAQI
14th Jul 2026131 PMAQI
14th Jul 2026202 PMAQI
14th Jul 2026203 PMAQI
14th Jul 2026224 PMAQI
14th Jul 2026285 PMAQI
14th Jul 2026286 PMAQI
14th Jul 2026297 PMAQI
14th Jul 2026308 PMAQI
14th Jul 2026319 PMAQI
14th Jul 20263010 PMAQI
14th Jul 20263211 PMAQI
15th Jul 20263112 AMAQI
15th Jul 2026321 AMAQI
15th Jul 2026312 AMAQI
15th Jul 2026303 AMAQI
23°C16/31°C
15th Jul 2026284 AMAQI
15th Jul 2026305 AMAQI
15th Jul 2026266 AMAQI
15th Jul 2026307 AMAQI
15th Jul 2026308 AMAQI
15th Jul 2026289 AMAQI
15th Jul 20263010 AMAQI
15th Jul 20262611 AMAQI
15th Jul 20262412 PMAQI
15th Jul 2026221 PMAQI
15th Jul 2026222 PMAQI
15th Jul 2026333 PMAQI
15th Jul 2026444 PMAQI
15th Jul 2026385 PMAQI
15th Jul 2026386 PMAQI
15th Jul 2026647 PMAQI
15th Jul 2026608 PMAQI
15th Jul 2026609 PMAQI
15th Jul 20265710 PMAQI
15th Jul 20265611 PMAQI
16th Jul 20265912 AMAQI
16th Jul 2026561 AMAQI
16th Jul 2026592 AMAQI
16th Jul 2026603 AMAQI
24°C17/33°C
16th Jul 2026574 AMAQI
16th Jul 2026565 AMAQI
16th Jul 2026576 AMAQI
16th Jul 2026577 AMAQI
16th Jul 2026578 AMAQI
16th Jul 2026589 AMAQI
16th Jul 20265610 AMAQI
16th Jul 20265611 AMAQI
16th Jul 20265912 PMAQI
16th Jul 2026661 PMAQI
16th Jul 2026482 PMAQI
16th Jul 2026633 PMAQI
16th Jul 2026524 PMAQI
16th Jul 2026485 PMAQI
16th Jul 2026266 PMAQI
16th Jul 2026267 PMAQI
16th Jul 2026318 PMAQI
16th Jul 2026299 PMAQI
16th Jul 20262810 PMAQI
16th Jul 20262911 PMAQI
17th Jul 20262712 AMAQI
17th Jul 2026191 AMAQI
17th Jul 2026192 AMAQI
17th Jul 2026173 AMAQI
23°C18/29°C
17th Jul 2026214 AMAQI
17th Jul 2026255 AMAQI
17th Jul 2026236 AMAQI
17th Jul 2026237 AMAQI
17th Jul 2026218 AMAQI
17th Jul 2026239 AMAQI
17th Jul 20262510 AMAQI
17th Jul 20262111 AMAQI
17th Jul 20263612 PMAQI
17th Jul 2026501 PMAQI
17th Jul 2026402 PMAQI
17th Jul 2026423 PMAQI
17th Jul 2026424 PMAQI
17th Jul 2026465 PMAQI
17th Jul 2026446 PMAQI
17th Jul 2026447 PMAQI
17th Jul 2026488 PMAQI
17th Jul 2026449 PMAQI
17th Jul 20263310 PMAQI
17th Jul 20262311 PMAQI
18th Jul 20262312 AMAQI
18th Jul 2026211 AMAQI
18th Jul 2026212 AMAQI
18th Jul 2026213 AMAQI
23°C19/27°C
18th Jul 2026254 AMAQI
18th Jul 2026275 AMAQI
18th Jul 2026316 AMAQI
18th Jul 2026237 AMAQI
18th Jul 2026278 AMAQI
18th Jul 2026349 AMAQI
18th Jul 20262510 AMAQI
18th Jul 20262911 AMAQI
18th Jul 20263312 PMAQI
18th Jul 2026331 PMAQI
18th Jul 2026212 PMAQI
18th Jul 2026313 PMAQI
18th Jul 2026424 PMAQI
18th Jul 2026485 PMAQI
18th Jul 2026426 PMAQI
18th Jul 2026367 PMAQI
18th Jul 2026298 PMAQI
18th Jul 2026259 PMAQI
18th Jul 20262310 PMAQI
18th Jul 20263211 PMAQI
19th Jul 20263812 AMAQI
19th Jul 2026211 AMAQI
19th Jul 2026212 AMAQI
19th Jul 2026323 AMAQI
21°C19/22°C
19th Jul 2026324 AMAQI
19th Jul 2026425 AMAQI
19th Jul 2026466 AMAQI
19th Jul 2026427 AMAQI
19th Jul 2026308 AMAQI
19th Jul 2026309 AMAQI
19th Jul 20262510 AMAQI
19th Jul 20263111 AMAQI
19th Jul 20262512 PMAQI
19th Jul 2026291 PMAQI
19th Jul 2026442 PMAQI
19th Jul 2026483 PMAQI
19th Jul 2026484 PMAQI
19th Jul 2026465 PMAQI
19th Jul 2026406 PMAQI
19th Jul 2026387 PMAQI
19th Jul 2026318 PMAQI
19th Jul 2026319 PMAQI
19th Jul 20263110 PMAQI
19th Jul 20262911 PMAQI
20th Jul 20262712 AMAQI
20th Jul 2026251 AMAQI
20th Jul 2026292 AMAQI
20th Jul 2026273 AMAQI
23°C18/29°C
20th Jul 2026294 AMAQI
20th Jul 2026275 AMAQI
20th Jul 2026316 AMAQI
20th Jul 2026297 AMAQI
20th Jul 2026278 AMAQI
20th Jul 2026279 AMAQI
20th Jul 20262510 AMAQI
20th Jul 20263111 AMAQI
20th Jul 20263312 PMAQI
20th Jul 2026401 PMAQI
20th Jul 2026332 PMAQI
20th Jul 2026313 PMAQI
20th Jul 2026364 PMAQI
20th Jul 2026385 PMAQI
20th Jul 2026406 PMAQI
20th Jul 2026407 PMAQI
20th Jul 2026408 PMAQI
20th Jul 2026429 PMAQI
20th Jul 20264010 PMAQI
20th Jul 20264011 PMAQI
21st Jul 20264212 AMAQI
21st Jul 2026401 AMAQI
21st Jul 2026382 AMAQI
21st Jul 2026403 AMAQI
24°C19/30°C
21st Jul 2026364 AMAQI
21st Jul 2026445 AMAQI
21st Jul 2026466 AMAQI
21st Jul 2026537 AMAQI
21st Jul 2026558 AMAQI
21st Jul 2026529 AMAQI
21st Jul 20265410 AMAQI
21st Jul 20265011 AMAQI
21st Jul 2026531 PMAQI
21st Jul 2026572 PMAQI
21st Jul 2026553 PMAQI
21st Jul 2026574 PMAQI
21st Jul 2026565 PMAQI
21st Jul 2026576 PMAQI
21st Jul 2026947 PMAQI
21st Jul 2026578 PMAQI
21st Jul 2026569 PMAQI
21st Jul 20265410 PMAQI
21st Jul 20265211 PMAQI
22nd Jul 20265212 AMAQI
22nd Jul 2026511 AMAQI
22nd Jul 2026522 AMAQI
22nd Jul 2026533 AMAQI
24°C18/31°C
22nd Jul 2026514 AMAQI
22nd Jul 2026505 AMAQI
22nd Jul 2026446 AMAQI
22nd Jul 2026467 AMAQI
22nd Jul 2026448 AMAQI
22nd Jul 2026469 AMAQI
22nd Jul 20265010 AMAQI
22nd Jul 20265511 AMAQI
22nd Jul 20266012 PMAQI
22nd Jul 2026651 PMAQI
22nd Jul 2026652 PMAQI
22nd Jul 2026673 PMAQI
22nd Jul 2026654 PMAQI
22nd Jul 2026695 PMAQI
22nd Jul 2026666 PMAQI
22nd Jul 2026717 PMAQI
22nd Jul 2026718 PMAQI
22nd Jul 2026699 PMAQI
22nd Jul 20267010 PMAQI
22nd Jul 20266711 PMAQI
23rd Jul 20267012 AMAQI
23rd Jul 2026671 AMAQI
23rd Jul 2026682 AMAQI
23rd Jul 2026683 AMAQI
24°C18/33°C
23rd Jul 2026644 AMAQI
23rd Jul 2026605 AMAQI
23rd Jul 2026626 AMAQI
23rd Jul 2026587 AMAQI
23rd Jul 2026608 AMAQI
23rd Jul 2026559 AMAQI
23rd Jul 20265510 AMAQI
23rd Jul 20265511 AMAQI
23rd Jul 20261212 PMAQI
23rd Jul 2026211 PMAQI
23rd Jul 2026252 PMAQI
23rd Jul 2026213 PMAQI
23rd Jul 2026424 PMAQI
23rd Jul 2026335 PMAQI
23rd Jul 2026336 PMAQI
23rd Jul 2026337 PMAQI
23rd Jul 2026368 PMAQI
23rd Jul 2026469 PMAQI
23rd Jul 20265810 PMAQI
23rd Jul 20266211 PMAQI
24th Jul 20265612 AMAQI
24th Jul 2026561 AMAQI
24th Jul 2026442 AMAQI
24th Jul 2026503 AMAQI
24°C19/32°C
24th Jul 2026484 AMAQI
24th Jul 2026535 AMAQI
24th Jul 2026516 AMAQI
24th Jul 2026527 AMAQI
24th Jul 2026448 AMAQI
24th Jul 2026469 AMAQI
24th Jul 20263810 AMAQI
24th Jul 20264611 AMAQI
24th Jul 20264212 PMAQI
24th Jul 2026461 PMAQI
24th Jul 2026362 PMAQI
24th Jul 2026443 PMAQI
24th Jul 2026484 PMAQI
24th Jul 2026585 PMAQI
24th Jul 2026626 PMAQI
24th Jul 2026587 PMAQI
24th Jul 2026568 PMAQI
24th Jul 2026529 PMAQI
24th Jul 20265110 PMAQI
24th Jul 20264811 PMAQI
25th Jul 20264612 AMAQI
25th Jul 2026481 AMAQI
25th Jul 2026462 AMAQI
25th Jul 2026423 AMAQI
23°C18/31°C
25th Jul 2026384 AMAQI
25th Jul 2026385 AMAQI
25th Jul 2026406 AMAQI
25th Jul 2026387 AMAQI
25th Jul 2026368 AMAQI
25th Jul 2026339 AMAQI
25th Jul 20263310 AMAQI
25th Jul 20263611 AMAQI
25th Jul 20264612 PMAQI
25th Jul 2026401 PMAQI
25th Jul 2026422 PMAQI
25th Jul 2026523 PMAQI
25th Jul 2026444 PMAQI
25th Jul 2026485 PMAQI
25th Jul 2026426 PMAQI
25th Jul 2026367 PMAQI
25th Jul 2026298 PMAQI
25th Jul 2026319 PMAQI
25th Jul 20262910 PMAQI
25th Jul 20263611 PMAQI
26th Jul 20263312 AMAQI
26th Jul 2026361 AMAQI
26th Jul 2026312 AMAQI
26th Jul 2026313 AMAQI
23°C17/31°C
26th Jul 2026254 AMAQI
26th Jul 2026275 AMAQI
26th Jul 2026216 AMAQI
26th Jul 2026257 AMAQI
26th Jul 2026258 AMAQI
26th Jul 2026279 AMAQI
26th Jul 20262910 AMAQI
26th Jul 20263111 AMAQI
26th Jul 20263812 PMAQI
26th Jul 2026421 PMAQI
26th Jul 2026462 PMAQI
26th Jul 2026443 PMAQI
26th Jul 2026334 PMAQI
26th Jul 2026335 PMAQI
26th Jul 2026296 PMAQI
26th Jul 2026317 PMAQI
26th Jul 2026298 PMAQI
26th Jul 2026299 PMAQI
26th Jul 20262910 PMAQI
26th Jul 20262711 PMAQI
27th Jul 20262112 AMAQI
27th Jul 2026361 AMAQI
27th Jul 2026362 AMAQI
27th Jul 2026363 AMAQI
21°C17/27°C
27th Jul 2026314 AMAQI
27th Jul 2026315 AMAQI
27th Jul 2026366 AMAQI
27th Jul 2026407 AMAQI
27th Jul 2026408 AMAQI
27th Jul 2026409 AMAQI
27th Jul 20264210 AMAQI
27th Jul 20263811 AMAQI
27th Jul 20262112 PMAQI
27th Jul 2026251 PMAQI
27th Jul 2026232 PMAQI
27th Jul 2026213 PMAQI
27th Jul 2026364 PMAQI
27th Jul 2026235 PMAQI
27th Jul 2026216 PMAQI
27th Jul 2026217 PMAQI
27th Jul 2026278 PMAQI
27th Jul 2026299 PMAQI
27th Jul 20262510 PMAQI
27th Jul 20262511 PMAQI
28th Jul 20262312 AMAQI
28th Jul 2026211 AMAQI
28th Jul 2026212 AMAQI
28th Jul 2026343 AMAQI
21°C15/26°C
28th Jul 2026384 AMAQI
28th Jul 2026215 AMAQI
28th Jul 2026366 AMAQI
28th Jul 2026367 AMAQI
28th Jul 2026238 AMAQI
28th Jul 2026319 AMAQI
28th Jul 20262910 AMAQI
28th Jul 20262911 AMAQI
28th Jul 20262912 PMAQI
28th Jul 2026291 PMAQI
28th Jul 2026362 PMAQI
28th Jul 2026403 PMAQI
28th Jul 2026334 PMAQI
28th Jul 2026275 PMAQI
28th Jul 2026296 PMAQI
28th Jul 2026277 PMAQI
28th Jul 2026338 PMAQI
28th Jul 2026339 PMAQI
28th Jul 20263110 PMAQI
28th Jul 20262511 PMAQI
29th Jul 20264412 AMAQI
29th Jul 2026251 AMAQI
29th Jul 2026332 AMAQI
29th Jul 2026333 AMAQI
19°C17/23°C
29th Jul 2026314 AMAQI
29th Jul 2026255 AMAQI
29th Jul 2026216 AMAQI
29th Jul 2026337 AMAQI
29th Jul 2026348 AMAQI
29th Jul 2026369 AMAQI
29th Jul 20263110 AMAQI
29th Jul 20263311 AMAQI
29th Jul 20262312 PMAQI
29th Jul 2026231 PMAQI
29th Jul 2026212 PMAQI
29th Jul 2026213 PMAQI
29th Jul 2026214 PMAQI
29th Jul 2026295 PMAQI
29th Jul 2026256 PMAQI
29th Jul 2026277 PMAQI
29th Jul 2026298 PMAQI
29th Jul 2026299 PMAQI
29th Jul 20263110 PMAQI
29th Jul 20262911 PMAQI
30th Jul 20262712 AMAQI
30th Jul 2026251 AMAQI
30th Jul 2026232 AMAQI
30th Jul 2026213 AMAQI
20°C15/28°C
30th Jul 2026214 AMAQI
30th Jul 2026235 AMAQI
30th Jul 2026216 AMAQI
30th Jul 2026217 AMAQI
30th Jul 2026238 AMAQI
30th Jul 2026239 AMAQI
30th Jul 20262110 AMAQI
30th Jul 20262311 AMAQI
30th Jul 20262712 PMAQI
30th Jul 2026291 PMAQI
30th Jul 2026292 PMAQI
30th Jul 2026253 PMAQI
30th Jul 2026274 PMAQI
30th Jul 2026275 PMAQI
30th Jul 2026276 PMAQI
30th Jul 2026277 PMAQI
30th Jul 2026278 PMAQI
30th Jul 2026369 PMAQI
30th Jul 20263810 PMAQI
30th Jul 20262711 PMAQI
31st Jul 20262512 AMAQI
31st Jul 2026251 AMAQI
31st Jul 2026272 AMAQI
31st Jul 2026253 AMAQI
22°C16/29°C
31st Jul 2026274 AMAQI
31st Jul 2026215 AMAQI
31st Jul 2026216 AMAQI
31st Jul 2026257 AMAQI
31st Jul 2026238 AMAQI
31st Jul 2026279 AMAQI
31st Jul 20262710 AMAQI
31st Jul 20263111 AMAQI
31st Jul 20264412 PMAQI
31st Jul 2026531 PMAQI
31st Jul 2026522 PMAQI
31st Jul 2026533 PMAQI
31st Jul 2026594 PMAQI
31st Jul 2026545 PMAQI
31st Jul 2026536 PMAQI
31st Jul 2026537 PMAQI
31st Jul 2026388 PMAQI
31st Jul 2026339 PMAQI
31st Jul 20263810 PMAQI
31st Jul 20264011 PMAQI
1st Aug 20262912 AMAQI
1st Aug 2026331 AMAQI
1st Aug 2026272 AMAQI
1st Aug 2026383 AMAQI
22°C17/29°C
1st Aug 2026334 AMAQI
1st Aug 2026335 AMAQI
1st Aug 2026386 AMAQI
1st Aug 2026427 AMAQI
1st Aug 2026388 AMAQI
1st Aug 2026409 AMAQI
1st Aug 20263810 AMAQI
1st Aug 20263811 AMAQI
1st Aug 20263812 PMAQI
1st Aug 2026331 PMAQI
1st Aug 2026332 PMAQI
1st Aug 2026333 PMAQI
1st Aug 2026314 PMAQI
1st Aug 2026315 PMAQI
1st Aug 2026316 PMAQI
1st Aug 2026297 PMAQI
1st Aug 2026318 PMAQI
1st Aug 2026339 PMAQI
1st Aug 20263110 PMAQI
1st Aug 20262911 PMAQI
2nd Aug 20262712 AMAQI
2nd Aug 2026291 AMAQI
2nd Aug 2026292 AMAQI
2nd Aug 2026273 AMAQI
23°C17/31°C
2nd Aug 2026294 AMAQI
2nd Aug 2026295 AMAQI
2nd Aug 2026276 AMAQI
2nd Aug 2026277 AMAQI
2nd Aug 2026258 AMAQI
2nd Aug 2026279 AMAQI
2nd Aug 20262710 AMAQI
2nd Aug 20262911 AMAQI
2nd Aug 20262912 PMAQI
2nd Aug 2026291 PMAQI
2nd Aug 2026252 PMAQI
2nd Aug 2026293 PMAQI
2nd Aug 2026294 PMAQI
2nd Aug 2026295 PMAQI
2nd Aug 2026316 PMAQI
2nd Aug 2026297 PMAQI
2nd Aug 2026278 PMAQI
2nd Aug 2026279 PMAQI
2nd Aug 20262710 PMAQI
2nd Aug 20262911 PMAQI
3rd Aug 20262712 AMAQI
3rd Aug 2026331 AMAQI
3rd Aug 2026292 AMAQI
3rd Aug 2026273 AMAQI
23°C18/30°C
3rd Aug 2026234 AMAQI
3rd Aug 2026215 AMAQI
3rd Aug 2026236 AMAQI
3rd Aug 2026217 AMAQI
3rd Aug 2026218 AMAQI
3rd Aug 2026219 AMAQI
3rd Aug 20262310 AMAQI
3rd Aug 20262311 AMAQI
3rd Aug 20262112 PMAQI
3rd Aug 2026211 PMAQI
3rd Aug 2026232 PMAQI
3rd Aug 2026193 PMAQI
3rd Aug 2026254 PMAQI
3rd Aug 2026235 PMAQI
3rd Aug 2026216 PMAQI
3rd Aug 2026217 PMAQI
3rd Aug 2026198 PMAQI
3rd Aug 2026169 PMAQI
3rd Aug 20262110 PMAQI
3rd Aug 20262111 PMAQI
4th Aug 20261412 AMAQI
4th Aug 2026141 AMAQI
4th Aug 2026172 AMAQI
4th Aug 2026173 AMAQI
20°C18/21°C
4th Aug 2026144 AMAQI
4th Aug 2026145 AMAQI
4th Aug 2026126 AMAQI
4th Aug 2026197 AMAQI
4th Aug 2026198 AMAQI
4th Aug 2026199 AMAQI
4th Aug 20262310 AMAQI
4th Aug 20262111 AMAQI
4th Aug 20262112 PMAQI
4th Aug 2026251 PMAQI
4th Aug 2026272 PMAQI
4th Aug 2026293 PMAQI
4th Aug 2026214 PMAQI
4th Aug 2026255 PMAQI
4th Aug 2026236 PMAQI
4th Aug 2026217 PMAQI
4th Aug 2026218 PMAQI
4th Aug 2026279 PMAQI
4th Aug 20262710 PMAQI
4th Aug 20262111 PMAQI
5th Aug 20262512 AMAQI
5th Aug 2026211 AMAQI
5th Aug 2026212 AMAQI
5th Aug 2026303 AMAQI
19°C14/25°C
5th Aug 2026254 AMAQI
4 AM5th Aug 2026215 AMAQI
5th Aug 2026216 AMAQI
5th Aug 2026217 AMAQI
5th Aug 2026218 AMAQI
5th Aug 2026219 AMAQI
5th Aug 20262110 AMAQI
5th Aug 20262111 AMAQI
11 AM5th Aug 20262312 PMAQI
5th Aug 2026211 PMAQI
5th Aug 2026232 PMAQI
5th Aug 2026253 PMAQI
5th Aug 2026234 PMAQI
5th Aug 2026235 PMAQI
5th Aug 2026256 PMAQI
5th Aug 2026257 PMAQI
7 PM5th Aug 2026278 PMAQI
5th Aug 2026279 PMAQI
5th Aug 20262910 PMAQI
5th Aug 20262911 PMAQI
11 PM3 AM
20°C12/28°C
Day time
Avg. Highest Time
3 PM - 5 PM
35AQI
3 hours / Day
90 hours / Month
Avg. Lowest Time
12 PM
30AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 3 PM to 5 PM (Avg. 35), while the lowest AQI was between 12 PM to 12 PM (Avg. 30).
Night time
Avg. Highest Time
3 AM - 11 PM
35AQI
5 hours / Day
150 hours / Month
Avg. Lowest Time
2 AM
32AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 3 AM to 11 PM (Avg. 35), while the lowest AQI was between 2 AM to 2 AM (Avg. 32).
2026 Days Vs Air Quality
Naganohara, Gunma, Japan
2026
90%
196
10%
21
Total number of days with different AQI categories in last 217 days in 2026 (148 days remaining)
Good
196 DaysModerate
21 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 90%
Health Risk Level:
Very Low
In 2026, 90% of 217 days were within WHO’s safe air quality limits. The risk of health issues is Very Low, but health impacts are still unclear.
Annual Air Quality Insights
Naganohara, Gunma, 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
17AQI (US)
17AQI (US)
2nd January 2026
18AQI (US)
18AQI (US)
3rd January 2026
15AQI (US)
15AQI (US)
4th January 2026
23AQI (US)
23AQI (US)
5th January 2026
27AQI (US)
27AQI (US)
6th January 2026
20AQI (US)
20AQI (US)
7th January 2026
23AQI (US)
23AQI (US)
8th January 2026
27AQI (US)
27AQI (US)
9th January 2026
21AQI (US)
21AQI (US)
10th January 2026
29AQI (US)
29AQI (US)
11th January 2026
25AQI (US)
25AQI (US)
12th January 2026
17AQI (US)
17AQI (US)
13th January 2026
27AQI (US)
27AQI (US)
14th January 2026
13AQI (US)
13AQI (US)
15th January 2026
32AQI (US)
32AQI (US)
16th January 2026
49AQI (US)
49AQI (US)
17th January 2026
43AQI (US)
43AQI (US)
18th January 2026
21AQI (US)
21AQI (US)
19th January 2026
46AQI (US)
46AQI (US)
20th January 2026
27AQI (US)
27AQI (US)
21st January 2026
16AQI (US)
16AQI (US)
22nd January 2026
21AQI (US)
21AQI (US)
23rd January 2026
29AQI (US)
29AQI (US)
24th January 2026
36AQI (US)
36AQI (US)
25th January 2026
41AQI (US)
41AQI (US)
26th January 2026
20AQI (US)
20AQI (US)
27th January 2026
34AQI (US)
34AQI (US)
28th January 2026
25AQI (US)
25AQI (US)
29th January 2026
22AQI (US)
22AQI (US)
30th January 2026
39AQI (US)
39AQI (US)
31st January 2026
27AQI (US)
27AQI (US)
1st February 2026
32AQI (US)
32AQI (US)
2nd February 2026
38AQI (US)
38AQI (US)
3rd February 2026
26AQI (US)
26AQI (US)
4th February 2026
29AQI (US)
29AQI (US)
5th February 2026
45AQI (US)
45AQI (US)
6th February 2026
44AQI (US)
44AQI (US)
7th February 2026
11AQI (US)
11AQI (US)
8th February 2026
10AQI (US)
10AQI (US)
9th February 2026
30AQI (US)
30AQI (US)
10th February 2026
34AQI (US)
34AQI (US)
11th February 2026
38AQI (US)
38AQI (US)
12th February 2026
44AQI (US)
44AQI (US)
13th February 2026
57AQI (US)
57AQI (US)
14th February 2026
55AQI (US)
55AQI (US)
15th February 2026
54AQI (US)
54AQI (US)
16th February 2026
51AQI (US)
51AQI (US)
17th February 2026
23AQI (US)
23AQI (US)
18th February 2026
24AQI (US)
24AQI (US)
19th February 2026
43AQI (US)
43AQI (US)
20th February 2026
30AQI (US)
30AQI (US)
21st February 2026
51AQI (US)
51AQI (US)
22nd February 2026
41AQI (US)
41AQI (US)
23rd February 2026
51AQI (US)
51AQI (US)
24th February 2026
49AQI (US)
49AQI (US)
25th February 2026
23AQI (US)
23AQI (US)
26th February 2026
9AQI (US)
9AQI (US)
27th February 2026
24AQI (US)
24AQI (US)
28th February 2026
23AQI (US)
23AQI (US)
1st March 2026
32AQI (US)
32AQI (US)
2nd March 2026
62AQI (US)
62AQI (US)
3rd March 2026
36AQI (US)
36AQI (US)
4th March 2026
12AQI (US)
12AQI (US)
5th March 2026
49AQI (US)
49AQI (US)
6th March 2026
40AQI (US)
40AQI (US)
7th March 2026
37AQI (US)
37AQI (US)
8th March 2026
38AQI (US)
38AQI (US)
9th March 2026
40AQI (US)
40AQI (US)
10th March 2026
48AQI (US)
48AQI (US)
11th March 2026
48AQI (US)
48AQI (US)
12th March 2026
53AQI (US)
53AQI (US)
13th March 2026
33AQI (US)
33AQI (US)
14th March 2026
39AQI (US)
39AQI (US)
15th March 2026
45AQI (US)
45AQI (US)
16th March 2026
47AQI (US)
47AQI (US)
17th March 2026
42AQI (US)
42AQI (US)
18th March 2026
50AQI (US)
50AQI (US)
19th March 2026
23AQI (US)
23AQI (US)
20th March 2026
41AQI (US)
41AQI (US)
21st March 2026
48AQI (US)
48AQI (US)
22nd March 2026
43AQI (US)
43AQI (US)
23rd March 2026
49AQI (US)
49AQI (US)
24th March 2026
64AQI (US)
64AQI (US)
25th March 2026
60AQI (US)
60AQI (US)
26th March 2026
13AQI (US)
13AQI (US)
27th March 2026
17AQI (US)
17AQI (US)
28th March 2026
50AQI (US)
50AQI (US)
29th March 2026
55AQI (US)
55AQI (US)
30th March 2026
48AQI (US)
48AQI (US)
31st March 2026
23AQI (US)
23AQI (US)
1st April 2026
12AQI (US)
12AQI (US)
2nd April 2026
21AQI (US)
21AQI (US)
3rd April 2026
44AQI (US)
44AQI (US)
4th April 2026
36AQI (US)
36AQI (US)
5th April 2026
17AQI (US)
17AQI (US)
6th April 2026
27AQI (US)
27AQI (US)
7th April 2026
31AQI (US)
31AQI (US)
8th April 2026
26AQI (US)
26AQI (US)
9th April 2026
24AQI (US)
24AQI (US)
10th April 2026
29AQI (US)
29AQI (US)
11th April 2026
28AQI (US)
28AQI (US)
12th April 2026
25AQI (US)
25AQI (US)
13th April 2026
27AQI (US)
27AQI (US)
14th April 2026
41AQI (US)
41AQI (US)
15th April 2026
30AQI (US)
30AQI (US)
16th April 2026
25AQI (US)
25AQI (US)
17th April 2026
32AQI (US)
32AQI (US)
18th April 2026
35AQI (US)
35AQI (US)
19th April 2026
31AQI (US)
31AQI (US)
20th April 2026
33AQI (US)
33AQI (US)
21st April 2026
37AQI (US)
37AQI (US)
22nd April 2026
25AQI (US)
25AQI (US)
23rd April 2026
21AQI (US)
21AQI (US)
24th April 2026
21AQI (US)
21AQI (US)
25th April 2026
27AQI (US)
27AQI (US)
26th April 2026
38AQI (US)
38AQI (US)
27th April 2026
37AQI (US)
37AQI (US)
28th April 2026
32AQI (US)
32AQI (US)
29th April 2026
28AQI (US)
28AQI (US)
30th April 2026
26AQI (US)
26AQI (US)
1st May 2026
29AQI (US)
29AQI (US)
2nd May 2026
43AQI (US)
43AQI (US)
3rd May 2026
48AQI (US)
48AQI (US)
4th May 2026
22AQI (US)
22AQI (US)
5th May 2026
20AQI (US)
20AQI (US)
6th May 2026
29AQI (US)
29AQI (US)
7th May 2026
31AQI (US)
31AQI (US)
8th May 2026
26AQI (US)
26AQI (US)
9th May 2026
24AQI (US)
24AQI (US)
10th May 2026
28AQI (US)
28AQI (US)
11th May 2026
30AQI (US)
30AQI (US)
12th May 2026
36AQI (US)
36AQI (US)
13th May 2026
38AQI (US)
38AQI (US)
14th May 2026
29AQI (US)
29AQI (US)
15th May 2026
31AQI (US)
31AQI (US)
16th May 2026
83AQI (US)
83AQI (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
62AQI (US)
62AQI (US)
21st May 2026
60AQI (US)
60AQI (US)
22nd May 2026
63AQI (US)
63AQI (US)
23rd May 2026
54AQI (US)
54AQI (US)
24th May 2026
59AQI (US)
59AQI (US)
25th May 2026
48AQI (US)
48AQI (US)
26th May 2026
39AQI (US)
39AQI (US)
27th May 2026
26AQI (US)
26AQI (US)
28th May 2026
27AQI (US)
27AQI (US)
29th May 2026
22AQI (US)
22AQI (US)
30th May 2026
20AQI (US)
20AQI (US)
31st May 2026
24AQI (US)
24AQI (US)
1st June 2026
27AQI (US)
27AQI (US)
2nd June 2026
31AQI (US)
31AQI (US)
3rd June 2026
18AQI (US)
18AQI (US)
4th June 2026
11AQI (US)
11AQI (US)
5th June 2026
21AQI (US)
21AQI (US)
6th June 2026
20AQI (US)
20AQI (US)
7th June 2026
22AQI (US)
22AQI (US)
8th June 2026
16AQI (US)
16AQI (US)
9th June 2026
20AQI (US)
20AQI (US)
10th June 2026
21AQI (US)
21AQI (US)
11th June 2026
24AQI (US)
24AQI (US)
12th June 2026
25AQI (US)
25AQI (US)
13th June 2026
24AQI (US)
24AQI (US)
14th June 2026
23AQI (US)
23AQI (US)
15th June 2026
20AQI (US)
20AQI (US)
16th June 2026
20AQI (US)
20AQI (US)
17th June 2026
24AQI (US)
24AQI (US)
18th June 2026
25AQI (US)
25AQI (US)
19th June 2026
27AQI (US)
27AQI (US)
20th June 2026
20AQI (US)
20AQI (US)
21st June 2026
12AQI (US)
12AQI (US)
22nd June 2026
17AQI (US)
17AQI (US)
23rd June 2026
20AQI (US)
20AQI (US)
24th June 2026
21AQI (US)
21AQI (US)
25th June 2026
22AQI (US)
22AQI (US)
26th June 2026
23AQI (US)
23AQI (US)
27th June 2026
24AQI (US)
24AQI (US)
28th June 2026
24AQI (US)
24AQI (US)
29th June 2026
21AQI (US)
21AQI (US)
30th June 2026
22AQI (US)
22AQI (US)
1st July 2026
24AQI (US)
24AQI (US)
2nd July 2026
20AQI (US)
20AQI (US)
3rd July 2026
19AQI (US)
19AQI (US)
4th July 2026
25AQI (US)
25AQI (US)
5th July 2026
19AQI (US)
19AQI (US)
6th July 2026
18AQI (US)
18AQI (US)
7th July 2026
22AQI (US)
22AQI (US)
8th July 2026
32AQI (US)
32AQI (US)
9th July 2026
32AQI (US)
32AQI (US)
10th July 2026
29AQI (US)
29AQI (US)
11th July 2026
30AQI (US)
30AQI (US)
12th July 2026
29AQI (US)
29AQI (US)
13th July 2026
27AQI (US)
27AQI (US)
14th July 2026
27AQI (US)
27AQI (US)
15th July 2026
36AQI (US)
36AQI (US)
16th July 2026
50AQI (US)
50AQI (US)
17th July 2026
32AQI (US)
32AQI (US)
18th July 2026
29AQI (US)
29AQI (US)
19th July 2026
35AQI (US)
35AQI (US)
20th July 2026
33AQI (US)
33AQI (US)
21st July 2026
52AQI (US)
52AQI (US)
22nd July 2026
58AQI (US)
58AQI (US)
23rd July 2026
48AQI (US)
48AQI (US)
24th July 2026
49AQI (US)
49AQI (US)
25th July 2026
40AQI (US)
40AQI (US)
26th July 2026
31AQI (US)
31AQI (US)
27th July 2026
30AQI (US)
30AQI (US)
28th July 2026
30AQI (US)
30AQI (US)
29th July 2026
29AQI (US)
29AQI (US)
30th July 2026
26AQI (US)
26AQI (US)
31st July 2026
36AQI (US)
36AQI (US)
1st August 2026
34AQI (US)
34AQI (US)
2nd August 2026
28AQI (US)
28AQI (US)
3rd August 2026
23AQI (US)
23AQI (US)
4th August 2026
20AQI (US)
20AQI (US)
5th August 2026
24AQI (US)
24AQI (US)
6th August 2026
7th August 2026
8th August 2026
9th August 2026
10th August 2026
11th August 2026
12th August 2026
13th August 2026
14th August 2026
15th August 2026
16th August 2026
17th August 2026
18th August 2026
19th August 2026
20th August 2026
21st August 2026
22nd August 2026
23rd August 2026
24th August 2026
25th August 2026
26th August 2026
27th August 2026
28th August 2026
29th August 2026
30th August 2026
31st August 2026
1st September 2026
2nd September 2026
3rd September 2026
4th September 2026
5th September 2026
6th September 2026
7th September 2026
8th September 2026
9th September 2026
10th September 2026
11th September 2026
12th September 2026
13th September 2026
14th September 2026
15th September 2026
16th September 2026
17th September 2026
18th September 2026
19th September 2026
20th September 2026
21st September 2026
22nd September 2026
23rd September 2026
24th September 2026
25th September 2026
26th September 2026
27th September 2026
28th September 2026
29th September 2026
30th September 2026
1st October 2026
2nd October 2026
3rd October 2026
4th October 2026
5th October 2026
6th October 2026
7th October 2026
8th October 2026
9th October 2026
10th October 2026
11th October 2026
12th October 2026
13th October 2026
14th October 2026
15th October 2026
16th October 2026
17th October 2026
18th October 2026
19th October 2026
20th October 2026
21st October 2026
22nd October 2026
23rd October 2026
24th October 2026
25th October 2026
26th October 2026
27th October 2026
28th October 2026
29th October 2026
30th October 2026
31st October 2026
1st November 2026
2nd November 2026
3rd November 2026
4th November 2026
5th November 2026
6th November 2026
7th November 2026
8th November 2026
9th November 2026
10th November 2026
11th November 2026
12th November 2026
13th November 2026
14th November 2026
15th November 2026
16th November 2026
17th November 2026
18th November 2026
19th November 2026
20th November 2026
21st November 2026
22nd November 2026
23rd November 2026
24th November 2026
25th November 2026
26th November 2026
27th November 2026
28th November 2026
29th November 2026
30th November 2026
1st December 2026
2nd December 2026
3rd December 2026
4th December 2026
5th December 2026
6th December 2026
7th December 2026
8th December 2026
9th December 2026
10th December 2026
11th December 2026
12th December 2026
13th December 2026
14th December 2026
15th December 2026
16th December 2026
17th December 2026
18th December 2026
19th December 2026
20th December 2026
21st December 2026
22nd December 2026
23rd December 2026
24th December 2026
25th December 2026
26th December 2026
27th December 2026
28th December 2026
29th December 2026
30th December 2026
31st December 2026
27AQI (US)
35AQI (US)
41AQI (US)
29AQI (US)
39AQI (US)
22AQI (US)
32AQI (US)
26AQI (US)
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202632AQI (US)
31
22
6
26
5
30
23
8
30
29
2
5
196
21
Highest AQI (US) recorded in
March41AQI (US)
Lowest AQI (US) recorded in
June22AQI (US)
202541AQI (US)
31
28
23
8
24
6
26
5
23
7
21
10
23
8
30
20
11
23
7
27
4
299
66
Highest AQI (US) recorded in
July50AQI (US)
Lowest AQI (US) recorded in
January34AQI (US)
202437AQI (US)
31
29
26
5
14
16
25
6
19
11
29
2
22
9
25
5
31
28
2
31
310
56
Highest AQI (US) recorded in
April52AQI (US)
Lowest AQI (US) recorded in
October28AQI (US)
202339AQI (US)
31
28
18
13
17
13
21
10
22
8
15
16
26
5
29
1
31
24
5
31
293
71
Highest AQI (US) recorded in
April50AQI (US)
Lowest AQI (US) recorded in
October30AQI (US)
202238AQI (US)
29
1
19
2
22
9
20
10
23
8
22
8
17
6
1
27
1
29
2
29
1
31
269
48
Highest AQI (US) recorded in
April46AQI (US)
Lowest AQI (US) recorded in
August27AQI (US)
202133AQI (US)
28
1
26
2
25
6
24
6
29
2
20
10
26
5
31
28
2
30
1
28
2
31
326
37
Highest AQI (US) recorded in
June43AQI (US)
Lowest AQI (US) recorded in
January24AQI (US)
202031AQI (US)
12
1
18
3
17
1
22
8
30
1
15
16
19
29
2
28
2
31
221
34
Highest AQI (US) recorded in
August53AQI (US)
Lowest AQI (US) recorded in
December20AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Most Polluted Year Recorded
2025(Avg.)
41AQI (US)Least Polluted Year Recorded
2020(Avg.)
31AQI (US)Naganohara's annual 2026 AQI (US) (32) shows an average percentage change of -11.5% (improved AQI (US)) compared to previous years: 2020 (31), 2021 (33), 2022 (38), 2023 (39), 2024 (37), 2025 (41).
