Ogawa, Saitama, 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
Ogawa, Saitama, Japan
2022
2023
2025
2026
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
4th Aug 2025
57AQILowest AQI recorded on
9th Aug 2023
14AQISame Day Analysis (2nd August):
On this day, AQI across the 4 years varied significantly: 2026 ranks 3rd highest AQI at 35 of Good air quality, showing improvement over 2025 and 2023 on the same day.
Day & Night AQI Trend: 31st Jul - 1st Aug 2026
Ogawa, Saitama, Japan
AQI
Day
Night
.
4 AM31st Jul 2026
6 PM
3 AM1st Aug 2026
Day time
Avg. Highest Time
9AM31st Jul
50AQI
Avg. Lowest Time
3PM31st Jul
33AQI
Night time
Avg. Highest Time
1AM1st Aug
48AQI
Avg. Lowest Time
8PM31st Jul
38AQI
In the last 24 hours,
Ogawa's AQI reached its highest point of 50 at 9 AM during the Day, while the lowest point, 33, was recorded at 3 PM during the Day between 31st Jul and 1st Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Ogawa, Saitama, Japan
JulAug
03rd - 04th04th - 05th05th - 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 - 31st31st - 01st01st
Day
Night
3rd Jul 2026124 AMAQI
3rd Jul 2026125 AMAQI
3rd Jul 2026126 AMAQI
3rd Jul 2026127 AMAQI
3rd Jul 2026128 AMAQI
3rd Jul 202689 AMAQI
3rd Jul 2026810 AMAQI
3rd Jul 20261211 AMAQI
3rd Jul 2026812 PMAQI
3rd Jul 202681 PMAQI
3rd Jul 202682 PMAQI
3rd Jul 202683 PMAQI
3rd Jul 2026124 PMAQI
3rd Jul 2026195 PMAQI
3rd Jul 2026216 PMAQI
3rd Jul 2026257 PMAQI
3rd Jul 2026298 PMAQI
3rd Jul 2026339 PMAQI
3rd Jul 20262910 PMAQI
3rd Jul 20263611 PMAQI
4th Jul 20262812 AMAQI
4th Jul 2026261 AMAQI
4th Jul 2026282 AMAQI
4th Jul 2026253 AMAQI
22°C20/24°C
4th Jul 2026244 AMAQI
4th Jul 2026275 AMAQI
4th Jul 2026276 AMAQI
4th Jul 2026307 AMAQI
4th Jul 2026288 AMAQI
4th Jul 2026289 AMAQI
4th Jul 20262810 AMAQI
4th Jul 20266611 AMAQI
4th Jul 20266212 PMAQI
4th Jul 2026461 PMAQI
4th Jul 2026402 PMAQI
4th Jul 2026533 PMAQI
4th Jul 2026624 PMAQI
4th Jul 2026655 PMAQI
4th Jul 2026696 PMAQI
4th Jul 2026707 PMAQI
4th Jul 2026608 PMAQI
4th Jul 2026569 PMAQI
4th Jul 20263610 PMAQI
4th Jul 20263311 PMAQI
5th Jul 20263112 AMAQI
5th Jul 2026291 AMAQI
5th Jul 2026272 AMAQI
5th Jul 2026293 AMAQI
22°C21/24°C
5th Jul 2026314 AMAQI
5th Jul 2026315 AMAQI
5th Jul 2026336 AMAQI
5th Jul 2026257 AMAQI
5th Jul 2026258 AMAQI
5th Jul 2026259 AMAQI
5th Jul 20262310 AMAQI
5th Jul 20261411 AMAQI
5th Jul 20261212 PMAQI
5th Jul 2026121 PMAQI
5th Jul 2026102 PMAQI
5th Jul 2026123 PMAQI
5th Jul 2026214 PMAQI
5th Jul 2026215 PMAQI
5th Jul 2026256 PMAQI
5th Jul 2026257 PMAQI
5th Jul 2026258 PMAQI
5th Jul 2026279 PMAQI
5th Jul 20262910 PMAQI
5th Jul 20262511 PMAQI
6th Jul 20262512 AMAQI
6th Jul 2026291 AMAQI
6th Jul 2026312 AMAQI
6th Jul 2026333 AMAQI
23°C20/26°C
6th Jul 2026294 AMAQI
6th Jul 2026315 AMAQI
6th Jul 2026316 AMAQI
6th Jul 2026367 AMAQI
6th Jul 2026338 AMAQI
6th Jul 2026369 AMAQI
6th Jul 20263410 AMAQI
6th Jul 20263411 AMAQI
6th Jul 20263312 PMAQI
6th Jul 2026381 PMAQI
6th Jul 2026402 PMAQI
6th Jul 2026383 PMAQI
6th Jul 2026444 PMAQI
6th Jul 2026405 PMAQI
6th Jul 2026216 PMAQI
6th Jul 2026237 PMAQI
6th Jul 2026288 PMAQI
6th Jul 2026279 PMAQI
6th Jul 20262610 PMAQI
6th Jul 20262711 PMAQI
7th Jul 20263012 AMAQI
7th Jul 2026301 AMAQI
7th Jul 2026302 AMAQI
7th Jul 2026303 AMAQI
20°C20/21°C
7th Jul 2026284 AMAQI
7th Jul 2026285 AMAQI
7th Jul 2026276 AMAQI
7th Jul 2026257 AMAQI
7th Jul 2026268 AMAQI
7th Jul 2026249 AMAQI
7th Jul 20262410 AMAQI
7th Jul 20262211 AMAQI
7th Jul 20262012 PMAQI
7th Jul 2026221 PMAQI
7th Jul 2026252 PMAQI
7th Jul 2026303 PMAQI
7th Jul 2026264 PMAQI
7th Jul 2026295 PMAQI
7th Jul 2026296 PMAQI
7th Jul 2026307 PMAQI
7th Jul 2026288 PMAQI
7th Jul 2026269 PMAQI
7th Jul 20263010 PMAQI
7th Jul 20262711 PMAQI
8th Jul 20263212 AMAQI
8th Jul 2026321 AMAQI
8th Jul 2026292 AMAQI
8th Jul 2026283 AMAQI
23°C19/28°C
8th Jul 2026284 AMAQI
8th Jul 2026315 AMAQI
8th Jul 2026306 AMAQI
8th Jul 2026307 AMAQI
8th Jul 2026298 AMAQI
8th Jul 2026269 AMAQI
8th Jul 20262410 AMAQI
8th Jul 20262511 AMAQI
8th Jul 20262512 PMAQI
8th Jul 2026251 PMAQI
8th Jul 2026242 PMAQI
8th Jul 2026293 PMAQI
8th Jul 2026284 PMAQI
8th Jul 2026245 PMAQI
8th Jul 2026266 PMAQI
8th Jul 2026207 PMAQI
8th Jul 2026208 PMAQI
8th Jul 2026209 PMAQI
8th Jul 20262210 PMAQI
8th Jul 20262611 PMAQI
9th Jul 20263012 AMAQI
9th Jul 2026291 AMAQI
9th Jul 2026272 AMAQI
9th Jul 2026303 AMAQI
24°C20/29°C
9th Jul 2026284 AMAQI
9th Jul 2026275 AMAQI
9th Jul 2026276 AMAQI
9th Jul 2026277 AMAQI
9th Jul 2026258 AMAQI
9th Jul 2026249 AMAQI
9th Jul 20262210 AMAQI
9th Jul 20262411 AMAQI
9th Jul 20262212 PMAQI
9th Jul 2026221 PMAQI
9th Jul 2026262 PMAQI
9th Jul 2026263 PMAQI
9th Jul 2026274 PMAQI
9th Jul 2026245 PMAQI
9th Jul 2026266 PMAQI
9th Jul 2026257 PMAQI
9th Jul 2026248 PMAQI
9th Jul 2026249 PMAQI
9th Jul 20262610 PMAQI
9th Jul 20262911 PMAQI
10th Jul 20263012 AMAQI
10th Jul 2026291 AMAQI
10th Jul 2026302 AMAQI
10th Jul 2026263 AMAQI
26°C21/32°C
10th Jul 2026244 AMAQI
10th Jul 2026305 AMAQI
10th Jul 2026306 AMAQI
10th Jul 2026307 AMAQI
10th Jul 2026308 AMAQI
10th Jul 2026309 AMAQI
10th Jul 20262610 AMAQI
10th Jul 20262611 AMAQI
10th Jul 20262812 PMAQI
10th Jul 2026241 PMAQI
10th Jul 2026242 PMAQI
10th Jul 2026243 PMAQI
10th Jul 2026244 PMAQI
10th Jul 2026285 PMAQI
10th Jul 2026306 PMAQI
10th Jul 2026307 PMAQI
10th Jul 2026268 PMAQI
10th Jul 2026289 PMAQI
10th Jul 20263010 PMAQI
10th Jul 20263111 PMAQI
11th Jul 20263212 AMAQI
11th Jul 2026301 AMAQI
11th Jul 2026322 AMAQI
11th Jul 2026293 AMAQI
27°C22/33°C
11th Jul 2026284 AMAQI
11th Jul 2026305 AMAQI
11th Jul 2026286 AMAQI
11th Jul 2026307 AMAQI
11th Jul 2026338 AMAQI
11th Jul 2026309 AMAQI
11th Jul 20263410 AMAQI
11th Jul 20263011 AMAQI
11th Jul 20262712 PMAQI
11th Jul 2026241 PMAQI
11th Jul 2026242 PMAQI
11th Jul 2026263 PMAQI
11th Jul 2026284 PMAQI
11th Jul 2026315 PMAQI
11th Jul 2026296 PMAQI
11th Jul 2026297 PMAQI
11th Jul 2026278 PMAQI
11th Jul 2026309 PMAQI
11th Jul 20263110 PMAQI
11th Jul 20263111 PMAQI
12th Jul 20263012 AMAQI
12th Jul 2026281 AMAQI
12th Jul 2026282 AMAQI
12th Jul 2026313 AMAQI
28°C23/33°C
12th Jul 2026294 AMAQI
12th Jul 2026285 AMAQI
12th Jul 2026276 AMAQI
12th Jul 2026307 AMAQI
12th Jul 2026308 AMAQI
12th Jul 2026299 AMAQI
12th Jul 20262910 AMAQI
12th Jul 20262811 AMAQI
12th Jul 20262612 PMAQI
12th Jul 2026241 PMAQI
12th Jul 2026262 PMAQI
12th Jul 2026243 PMAQI
12th Jul 2026284 PMAQI
12th Jul 2026315 PMAQI
12th Jul 2026316 PMAQI
12th Jul 2026307 PMAQI
12th Jul 2026308 PMAQI
12th Jul 2026329 PMAQI
12th Jul 20263010 PMAQI
12th Jul 20263011 PMAQI
13th Jul 20263012 AMAQI
13th Jul 2026301 AMAQI
13th Jul 2026302 AMAQI
13th Jul 2026303 AMAQI
25°C23/29°C
13th Jul 2026264 AMAQI
13th Jul 2026255 AMAQI
13th Jul 2026306 AMAQI
13th Jul 2026267 AMAQI
13th Jul 2026288 AMAQI
13th Jul 2026289 AMAQI
13th Jul 20262810 AMAQI
13th Jul 20262411 AMAQI
13th Jul 20262412 PMAQI
13th Jul 2026211 PMAQI
13th Jul 2026232 PMAQI
13th Jul 2026223 PMAQI
13th Jul 2026264 PMAQI
13th Jul 2026305 PMAQI
13th Jul 2026316 PMAQI
13th Jul 2026327 PMAQI
13th Jul 2026328 PMAQI
13th Jul 2026319 PMAQI
13th Jul 20263510 PMAQI
13th Jul 20263411 PMAQI
14th Jul 20263212 AMAQI
14th Jul 2026331 AMAQI
14th Jul 2026332 AMAQI
14th Jul 2026313 AMAQI
25°C24/29°C
14th Jul 2026264 AMAQI
14th Jul 2026425 AMAQI
14th Jul 2026486 AMAQI
14th Jul 2026567 AMAQI
14th Jul 2026278 AMAQI
14th Jul 2026329 AMAQI
14th Jul 20263010 AMAQI
14th Jul 20262311 AMAQI
14th Jul 20262512 PMAQI
14th Jul 2026201 PMAQI
14th Jul 2026202 PMAQI
14th Jul 2026203 PMAQI
14th Jul 2026264 PMAQI
14th Jul 2026285 PMAQI
14th Jul 2026326 PMAQI
14th Jul 2026307 PMAQI
14th Jul 2026308 PMAQI
14th Jul 2026329 PMAQI
14th Jul 20263110 PMAQI
14th Jul 20263211 PMAQI
15th Jul 20263412 AMAQI
15th Jul 2026331 AMAQI
15th Jul 2026342 AMAQI
15th Jul 2026303 AMAQI
29°C23/35°C
15th Jul 2026304 AMAQI
15th Jul 2026345 AMAQI
15th Jul 2026266 AMAQI
15th Jul 2026337 AMAQI
15th Jul 2026308 AMAQI
15th Jul 2026329 AMAQI
15th Jul 20263410 AMAQI
15th Jul 20262711 AMAQI
15th Jul 20262412 PMAQI
15th Jul 2026241 PMAQI
15th Jul 2026242 PMAQI
15th Jul 2026243 PMAQI
15th Jul 2026244 PMAQI
15th Jul 2026265 PMAQI
15th Jul 2026266 PMAQI
15th Jul 2026257 PMAQI
15th Jul 2026288 PMAQI
15th Jul 2026289 PMAQI
15th Jul 20262810 PMAQI
15th Jul 20262711 PMAQI
16th Jul 20262612 AMAQI
16th Jul 2026281 AMAQI
16th Jul 2026332 AMAQI
16th Jul 2026303 AMAQI
30°C25/36°C
16th Jul 2026304 AMAQI
16th Jul 2026325 AMAQI
16th Jul 2026306 AMAQI
16th Jul 2026307 AMAQI
16th Jul 2026328 AMAQI
16th Jul 2026319 AMAQI
16th Jul 20263210 AMAQI
16th Jul 20263011 AMAQI
16th Jul 20263012 PMAQI
16th Jul 2026261 PMAQI
16th Jul 2026282 PMAQI
16th Jul 2026263 PMAQI
16th Jul 2026294 PMAQI
16th Jul 2026325 PMAQI
16th Jul 2026346 PMAQI
16th Jul 2026327 PMAQI
16th Jul 2026308 PMAQI
16th Jul 2026289 PMAQI
16th Jul 20262810 PMAQI
16th Jul 20262811 PMAQI
17th Jul 20262812 AMAQI
17th Jul 2026311 AMAQI
17th Jul 2026282 AMAQI
17th Jul 2026183 AMAQI
29°C25/35°C
17th Jul 2026214 AMAQI
17th Jul 2026185 AMAQI
17th Jul 2026206 AMAQI
17th Jul 2026257 AMAQI
17th Jul 2026238 AMAQI
17th Jul 2026259 AMAQI
17th Jul 20263610 AMAQI
17th Jul 20264811 AMAQI
17th Jul 20265612 PMAQI
17th Jul 2026551 PMAQI
17th Jul 2026622 PMAQI
17th Jul 2026623 PMAQI
17th Jul 2026544 PMAQI
17th Jul 2026485 PMAQI
17th Jul 2026366 PMAQI
17th Jul 2026387 PMAQI
17th Jul 2026408 PMAQI
17th Jul 2026269 PMAQI
17th Jul 20262810 PMAQI
17th Jul 20262711 PMAQI
18th Jul 20264212 AMAQI
18th Jul 2026381 AMAQI
18th Jul 2026332 AMAQI
18th Jul 2026403 AMAQI
27°C25/30°C
18th Jul 2026334 AMAQI
18th Jul 2026295 AMAQI
18th Jul 2026366 AMAQI
18th Jul 2026367 AMAQI
18th Jul 2026278 AMAQI
18th Jul 2026239 AMAQI
18th Jul 20261710 AMAQI
18th Jul 20261711 AMAQI
18th Jul 20261912 PMAQI
18th Jul 2026231 PMAQI
18th Jul 2026212 PMAQI
18th Jul 2026273 PMAQI
18th Jul 2026254 PMAQI
18th Jul 2026235 PMAQI
18th Jul 2026296 PMAQI
18th Jul 2026297 PMAQI
18th Jul 2026328 PMAQI
18th Jul 2026309 PMAQI
18th Jul 20263310 PMAQI
18th Jul 20263311 PMAQI
19th Jul 20263112 AMAQI
19th Jul 2026311 AMAQI
19th Jul 2026362 AMAQI
19th Jul 2026383 AMAQI
25°C24/27°C
19th Jul 2026344 AMAQI
19th Jul 2026365 AMAQI
19th Jul 2026466 AMAQI
19th Jul 2026467 AMAQI
19th Jul 2026428 AMAQI
19th Jul 2026389 AMAQI
19th Jul 20263210 AMAQI
19th Jul 20262511 AMAQI
19th Jul 20262512 PMAQI
19th Jul 2026331 PMAQI
19th Jul 2026252 PMAQI
19th Jul 2026233 PMAQI
19th Jul 2026214 PMAQI
19th Jul 2026215 PMAQI
19th Jul 2026256 PMAQI
19th Jul 2026257 PMAQI
19th Jul 2026258 PMAQI
19th Jul 2026239 PMAQI
19th Jul 20262510 PMAQI
19th Jul 20262311 PMAQI
20th Jul 20262112 AMAQI
20th Jul 2026251 AMAQI
20th Jul 2026252 AMAQI
20th Jul 2026213 AMAQI
28°C23/34°C
20th Jul 2026214 AMAQI
20th Jul 2026215 AMAQI
20th Jul 2026256 AMAQI
20th Jul 2026217 AMAQI
20th Jul 2026258 AMAQI
20th Jul 2026279 AMAQI
20th Jul 20262510 AMAQI
20th Jul 20263111 AMAQI
20th Jul 20263312 PMAQI
20th Jul 2026291 PMAQI
20th Jul 2026292 PMAQI
20th Jul 2026273 PMAQI
20th Jul 2026274 PMAQI
20th Jul 2026295 PMAQI
20th Jul 2026296 PMAQI
20th Jul 2026317 PMAQI
20th Jul 2026338 PMAQI
20th Jul 2026339 PMAQI
20th Jul 20263110 PMAQI
20th Jul 20263311 PMAQI
21st Jul 20263812 AMAQI
21st Jul 2026421 AMAQI
21st Jul 2026442 AMAQI
21st Jul 2026443 AMAQI
31°C25/36°C
21st Jul 2026474 AMAQI
21st Jul 2026495 AMAQI
21st Jul 2026486 AMAQI
21st Jul 2026547 AMAQI
21st Jul 2026518 AMAQI
21st Jul 2026469 AMAQI
21st Jul 20265010 AMAQI
21st Jul 20264411 AMAQI
21st Jul 2026521 PMAQI
21st Jul 2026512 PMAQI
21st Jul 2026533 PMAQI
21st Jul 2026534 PMAQI
21st Jul 2026515 PMAQI
21st Jul 2026536 PMAQI
21st Jul 2026907 PMAQI
21st Jul 2026518 PMAQI
21st Jul 2026529 PMAQI
21st Jul 20265710 PMAQI
21st Jul 20265511 PMAQI
22nd Jul 20266212 AMAQI
22nd Jul 2026621 AMAQI
22nd Jul 2026592 AMAQI
22nd Jul 2026603 AMAQI
31°C26/37°C
22nd Jul 2026574 AMAQI
22nd Jul 2026555 AMAQI
22nd Jul 2026576 AMAQI
22nd Jul 2026587 AMAQI
22nd Jul 2026578 AMAQI
22nd Jul 2026539 AMAQI
22nd Jul 20265410 AMAQI
22nd Jul 20266011 AMAQI
22nd Jul 20266212 PMAQI
22nd Jul 2026601 PMAQI
22nd Jul 2026622 PMAQI
22nd Jul 2026623 PMAQI
22nd Jul 2026584 PMAQI
22nd Jul 2026645 PMAQI
22nd Jul 2026646 PMAQI
22nd Jul 2026627 PMAQI
22nd Jul 2026628 PMAQI
22nd Jul 2026669 PMAQI
22nd Jul 20266410 PMAQI
22nd Jul 20266511 PMAQI
23rd Jul 20265812 AMAQI
23rd Jul 2026511 AMAQI
23rd Jul 2026472 AMAQI
23rd Jul 2026513 AMAQI
31°C26/37°C
23rd Jul 2026514 AMAQI
23rd Jul 2026545 AMAQI
23rd Jul 2026566 AMAQI
23rd Jul 2026577 AMAQI
23rd Jul 2026598 AMAQI
23rd Jul 2026609 AMAQI
23rd Jul 20266210 AMAQI
23rd Jul 20265611 AMAQI
23rd Jul 20265312 PMAQI
23rd Jul 2026541 PMAQI
23rd Jul 2026462 PMAQI
23rd Jul 2026443 PMAQI
23rd Jul 2026534 PMAQI
23rd Jul 2026605 PMAQI
23rd Jul 2026676 PMAQI
23rd Jul 2026647 PMAQI
23rd Jul 2026578 PMAQI
23rd Jul 2026509 PMAQI
23rd Jul 20264210 PMAQI
23rd Jul 20264011 PMAQI
24th Jul 20263612 AMAQI
24th Jul 2026311 AMAQI
24th Jul 2026312 AMAQI
24th Jul 2026293 AMAQI
31°C26/37°C
24th Jul 2026294 AMAQI
24th Jul 2026275 AMAQI
24th Jul 2026276 AMAQI
24th Jul 2026257 AMAQI
24th Jul 2026238 AMAQI
24th Jul 2026259 AMAQI
24th Jul 20262510 AMAQI
24th Jul 20262511 AMAQI
24th Jul 20263612 PMAQI
24th Jul 2026471 PMAQI
24th Jul 2026522 PMAQI
24th Jul 2026553 PMAQI
24th Jul 2026564 PMAQI
24th Jul 2026605 PMAQI
24th Jul 2026586 PMAQI
24th Jul 2026567 PMAQI
24th Jul 2026528 PMAQI
24th Jul 2026469 PMAQI
24th Jul 20264210 PMAQI
24th Jul 20264011 PMAQI
25th Jul 20263812 AMAQI
25th Jul 2026331 AMAQI
25th Jul 2026362 AMAQI
25th Jul 2026333 AMAQI
29°C25/33°C
25th Jul 2026334 AMAQI
25th Jul 2026315 AMAQI
25th Jul 2026366 AMAQI
25th Jul 2026407 AMAQI
25th Jul 2026408 AMAQI
25th Jul 2026409 AMAQI
25th Jul 20264010 AMAQI
25th Jul 20264411 AMAQI
25th Jul 20264012 PMAQI
25th Jul 2026421 PMAQI
25th Jul 2026422 PMAQI
25th Jul 2026403 PMAQI
25th Jul 2026364 PMAQI
25th Jul 2026315 PMAQI
25th Jul 2026276 PMAQI
25th Jul 2026277 PMAQI
25th Jul 2026338 PMAQI
25th Jul 2026259 PMAQI
25th Jul 20262110 PMAQI
25th Jul 20262111 PMAQI
26th Jul 20263412 AMAQI
26th Jul 2026291 AMAQI
26th Jul 2026332 AMAQI
26th Jul 2026253 AMAQI
28°C24/35°C
26th Jul 2026364 AMAQI
26th Jul 2026295 AMAQI
26th Jul 2026296 AMAQI
26th Jul 2026217 AMAQI
26th Jul 2026258 AMAQI
26th Jul 2026259 AMAQI
26th Jul 20262110 AMAQI
26th Jul 20262511 AMAQI
26th Jul 20262912 PMAQI
26th Jul 2026271 PMAQI
26th Jul 2026292 PMAQI
26th Jul 2026233 PMAQI
26th Jul 2026214 PMAQI
26th Jul 2026215 PMAQI
26th Jul 2026256 PMAQI
26th Jul 2026217 PMAQI
26th Jul 2026258 PMAQI
26th Jul 2026219 PMAQI
26th Jul 20262110 PMAQI
26th Jul 20262511 PMAQI
27th Jul 20262112 AMAQI
27th Jul 2026251 AMAQI
27th Jul 2026292 AMAQI
27th Jul 2026253 AMAQI
27°C24/31°C
27th Jul 2026234 AMAQI
27th Jul 2026215 AMAQI
27th Jul 2026256 AMAQI
27th Jul 2026257 AMAQI
27th Jul 2026298 AMAQI
27th Jul 2026339 AMAQI
27th Jul 20262510 AMAQI
27th Jul 20263111 AMAQI
27th Jul 20262312 PMAQI
27th Jul 2026251 PMAQI
27th Jul 2026272 PMAQI
27th Jul 2026253 PMAQI
27th Jul 2026274 PMAQI
27th Jul 2026255 PMAQI
27th Jul 2026216 PMAQI
27th Jul 2026217 PMAQI
27th Jul 2026218 PMAQI
27th Jul 2026259 PMAQI
27th Jul 20262310 PMAQI
27th Jul 20262511 PMAQI
28th Jul 20262512 AMAQI
28th Jul 2026211 AMAQI
28th Jul 2026232 AMAQI
28th Jul 2026213 AMAQI
26°C22/31°C
28th Jul 2026214 AMAQI
28th Jul 2026215 AMAQI
28th Jul 2026216 AMAQI
28th Jul 2026217 AMAQI
28th Jul 2026218 AMAQI
28th Jul 2026219 AMAQI
28th Jul 20262510 AMAQI
28th Jul 20262511 AMAQI
28th Jul 20262712 PMAQI
28th Jul 2026311 PMAQI
28th Jul 2026332 PMAQI
28th Jul 2026383 PMAQI
28th Jul 2026424 PMAQI
28th Jul 2026335 PMAQI
28th Jul 2026366 PMAQI
28th Jul 2026407 PMAQI
28th Jul 2026428 PMAQI
28th Jul 2026389 PMAQI
28th Jul 20264010 PMAQI
28th Jul 20264011 PMAQI
29th Jul 20263812 AMAQI
29th Jul 2026361 AMAQI
29th Jul 2026522 AMAQI
29th Jul 2026383 AMAQI
24°C22/27°C
29th Jul 2026364 AMAQI
29th Jul 2026385 AMAQI
29th Jul 2026256 AMAQI
29th Jul 2026217 AMAQI
29th Jul 2026258 AMAQI
29th Jul 2026299 AMAQI
29th Jul 20263310 AMAQI
29th Jul 20263311 AMAQI
29th Jul 20263112 PMAQI
29th Jul 2026331 PMAQI
29th Jul 2026292 PMAQI
29th Jul 2026293 PMAQI
29th Jul 2026234 PMAQI
29th Jul 2026255 PMAQI
29th Jul 2026256 PMAQI
29th Jul 2026337 PMAQI
29th Jul 2026218 PMAQI
29th Jul 2026219 PMAQI
29th Jul 20262510 PMAQI
29th Jul 20262511 PMAQI
30th Jul 20262512 AMAQI
30th Jul 2026211 AMAQI
30th Jul 2026212 AMAQI
30th Jul 2026213 AMAQI
27°C20/35°C
30th Jul 2026254 AMAQI
30th Jul 2026235 AMAQI
30th Jul 2026256 AMAQI
30th Jul 2026217 AMAQI
30th Jul 2026238 AMAQI
30th Jul 2026259 AMAQI
30th Jul 20262510 AMAQI
30th Jul 20262111 AMAQI
30th Jul 20262512 PMAQI
30th Jul 2026341 PMAQI
30th Jul 2026312 PMAQI
30th Jul 2026273 PMAQI
30th Jul 2026254 PMAQI
30th Jul 2026235 PMAQI
30th Jul 2026316 PMAQI
30th Jul 2026337 PMAQI
30th Jul 2026368 PMAQI
30th Jul 2026339 PMAQI
30th Jul 20263610 PMAQI
30th Jul 20263611 PMAQI
31st Jul 20263612 AMAQI
31st Jul 2026361 AMAQI
31st Jul 2026382 AMAQI
31st Jul 2026403 AMAQI
28°C23/35°C
31st Jul 2026404 AMAQI
31st Jul 2026385 AMAQI
31st Jul 2026426 AMAQI
31st Jul 2026407 AMAQI
31st Jul 2026448 AMAQI
31st Jul 2026509 AMAQI
31st Jul 20263610 AMAQI
31st Jul 20263611 AMAQI
31st Jul 20264612 PMAQI
31st Jul 2026331 PMAQI
31st Jul 2026332 PMAQI
31st Jul 2026333 PMAQI
31st Jul 2026364 PMAQI
31st Jul 2026365 PMAQI
31st Jul 2026366 PMAQI
31st Jul 2026387 PMAQI
31st Jul 2026388 PMAQI
31st Jul 2026429 PMAQI
31st Jul 20264010 PMAQI
31st Jul 20264211 PMAQI
1st Aug 20264412 AMAQI
1st Aug 2026481 AMAQI
1st Aug 2026462 AMAQI
1st Aug 2026443 AMAQI
29°C24/35°C
1st Aug 2026424 AMAQI
4 AM1st Aug 2026465 AMAQI
1st Aug 2026466 AMAQI
1st Aug 2026467 AMAQI
1st Aug 2026468 AMAQI
1st Aug 2026449 AMAQI
1st Aug 20264410 AMAQI
1st Aug 20264811 AMAQI
11 AM1st Aug 20264212 PMAQI
1st Aug 2026401 PMAQI
1st Aug 2026402 PMAQI
1st Aug 2026403 PMAQI
1st Aug 2026404 PMAQI
1st Aug 2026385 PMAQI
1st Aug 2026386 PMAQI
6 PM1st Aug 2026337 PMAQI
1st Aug 2026388 PMAQI
1st Aug 2026389 PMAQI
1st Aug 20263810 PMAQI
1st Aug 20266311 PMAQI
11 PM3 AM
31°C25/36°C
Day time
Avg. Highest Time
4 PM - 6 PM
34AQI
3 hours / Day
90 hours / Month
Avg. Lowest Time
4 AM - 5 AM
31AQI
2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 4 PM to 6 PM (Avg. 34), while the lowest AQI was between 4 AM to 5 AM (Avg. 31).
Night time
Avg. Highest Time
7 PM
36AQI
1 hours / Day
30 hours / Month
Avg. Lowest Time
3 AM
31AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 7 PM to 7 PM (Avg. 36), while the lowest AQI was between 3 AM to 3 AM (Avg. 31).
2026 Days Vs Air Quality
Ogawa, Saitama, Japan
2026
84%
179
16%
35
Total number of days with different AQI categories in last 214 days in 2026 (151 days remaining)
Good
179 DaysModerate
35 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 84%
Health Risk Level:
Low
In 2026, 84% of 214 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
Ogawa, Saitama, 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
20AQI (US)
20AQI (US)
2nd January 2026
16AQI (US)
16AQI (US)
3rd January 2026
12AQI (US)
12AQI (US)
4th January 2026
20AQI (US)
20AQI (US)
5th January 2026
27AQI (US)
27AQI (US)
6th January 2026
19AQI (US)
19AQI (US)
7th January 2026
22AQI (US)
22AQI (US)
8th January 2026
23AQI (US)
23AQI (US)
9th January 2026
15AQI (US)
15AQI (US)
10th January 2026
27AQI (US)
27AQI (US)
11th January 2026
37AQI (US)
37AQI (US)
12th January 2026
12AQI (US)
12AQI (US)
13th January 2026
23AQI (US)
23AQI (US)
14th January 2026
13AQI (US)
13AQI (US)
15th January 2026
30AQI (US)
30AQI (US)
16th January 2026
43AQI (US)
43AQI (US)
17th January 2026
45AQI (US)
45AQI (US)
18th January 2026
27AQI (US)
27AQI (US)
19th January 2026
52AQI (US)
52AQI (US)
20th January 2026
29AQI (US)
29AQI (US)
21st January 2026
11AQI (US)
11AQI (US)
22nd January 2026
23AQI (US)
23AQI (US)
23rd January 2026
40AQI (US)
40AQI (US)
24th January 2026
37AQI (US)
37AQI (US)
25th January 2026
42AQI (US)
42AQI (US)
26th January 2026
30AQI (US)
30AQI (US)
27th January 2026
43AQI (US)
43AQI (US)
28th January 2026
26AQI (US)
26AQI (US)
29th January 2026
25AQI (US)
25AQI (US)
30th January 2026
36AQI (US)
36AQI (US)
31st January 2026
38AQI (US)
38AQI (US)
1st February 2026
37AQI (US)
37AQI (US)
2nd February 2026
47AQI (US)
47AQI (US)
3rd February 2026
31AQI (US)
31AQI (US)
4th February 2026
37AQI (US)
37AQI (US)
5th February 2026
44AQI (US)
44AQI (US)
6th February 2026
38AQI (US)
38AQI (US)
7th February 2026
11AQI (US)
11AQI (US)
8th February 2026
16AQI (US)
16AQI (US)
9th February 2026
37AQI (US)
37AQI (US)
10th February 2026
41AQI (US)
41AQI (US)
11th February 2026
48AQI (US)
48AQI (US)
12th February 2026
35AQI (US)
35AQI (US)
13th February 2026
49AQI (US)
49AQI (US)
14th February 2026
68AQI (US)
68AQI (US)
15th February 2026
58AQI (US)
58AQI (US)
16th February 2026
37AQI (US)
37AQI (US)
17th February 2026
15AQI (US)
15AQI (US)
18th February 2026
31AQI (US)
31AQI (US)
19th February 2026
30AQI (US)
30AQI (US)
20th February 2026
29AQI (US)
29AQI (US)
21st February 2026
47AQI (US)
47AQI (US)
22nd February 2026
43AQI (US)
43AQI (US)
23rd February 2026
43AQI (US)
43AQI (US)
24th February 2026
37AQI (US)
37AQI (US)
25th February 2026
42AQI (US)
42AQI (US)
26th February 2026
10AQI (US)
10AQI (US)
27th February 2026
24AQI (US)
24AQI (US)
28th February 2026
48AQI (US)
48AQI (US)
1st March 2026
51AQI (US)
51AQI (US)
2nd March 2026
83AQI (US)
83AQI (US)
3rd March 2026
51AQI (US)
51AQI (US)
4th March 2026
59AQI (US)
59AQI (US)
5th March 2026
62AQI (US)
62AQI (US)
6th March 2026
53AQI (US)
53AQI (US)
7th March 2026
48AQI (US)
48AQI (US)
8th March 2026
47AQI (US)
47AQI (US)
9th March 2026
54AQI (US)
54AQI (US)
10th March 2026
58AQI (US)
58AQI (US)
11th March 2026
60AQI (US)
60AQI (US)
12th March 2026
72AQI (US)
72AQI (US)
13th March 2026
44AQI (US)
44AQI (US)
14th March 2026
36AQI (US)
36AQI (US)
15th March 2026
13AQI (US)
13AQI (US)
16th March 2026
29AQI (US)
29AQI (US)
17th March 2026
58AQI (US)
58AQI (US)
18th March 2026
60AQI (US)
60AQI (US)
19th March 2026
37AQI (US)
37AQI (US)
20th March 2026
32AQI (US)
32AQI (US)
21st March 2026
49AQI (US)
49AQI (US)
22nd March 2026
59AQI (US)
59AQI (US)
23rd March 2026
58AQI (US)
58AQI (US)
24th March 2026
43AQI (US)
43AQI (US)
25th March 2026
59AQI (US)
59AQI (US)
26th March 2026
27AQI (US)
27AQI (US)
27th March 2026
18AQI (US)
18AQI (US)
28th March 2026
43AQI (US)
43AQI (US)
29th March 2026
57AQI (US)
57AQI (US)
30th March 2026
58AQI (US)
58AQI (US)
31st March 2026
33AQI (US)
33AQI (US)
1st April 2026
14AQI (US)
14AQI (US)
2nd April 2026
24AQI (US)
24AQI (US)
3rd April 2026
46AQI (US)
46AQI (US)
4th April 2026
58AQI (US)
58AQI (US)
5th April 2026
28AQI (US)
28AQI (US)
6th April 2026
25AQI (US)
25AQI (US)
7th April 2026
44AQI (US)
44AQI (US)
8th April 2026
22AQI (US)
22AQI (US)
9th April 2026
32AQI (US)
32AQI (US)
10th April 2026
49AQI (US)
49AQI (US)
11th April 2026
38AQI (US)
38AQI (US)
12th April 2026
36AQI (US)
36AQI (US)
13th April 2026
37AQI (US)
37AQI (US)
14th April 2026
49AQI (US)
49AQI (US)
15th April 2026
48AQI (US)
48AQI (US)
16th April 2026
27AQI (US)
27AQI (US)
17th April 2026
33AQI (US)
33AQI (US)
18th April 2026
35AQI (US)
35AQI (US)
19th April 2026
41AQI (US)
41AQI (US)
20th April 2026
39AQI (US)
39AQI (US)
21st April 2026
41AQI (US)
41AQI (US)
22nd April 2026
47AQI (US)
47AQI (US)
23rd April 2026
37AQI (US)
37AQI (US)
24th April 2026
31AQI (US)
31AQI (US)
25th April 2026
46AQI (US)
46AQI (US)
26th April 2026
52AQI (US)
52AQI (US)
27th April 2026
48AQI (US)
48AQI (US)
28th April 2026
42AQI (US)
42AQI (US)
29th April 2026
40AQI (US)
40AQI (US)
30th April 2026
40AQI (US)
40AQI (US)
1st May 2026
44AQI (US)
44AQI (US)
2nd May 2026
52AQI (US)
52AQI (US)
3rd May 2026
49AQI (US)
49AQI (US)
4th May 2026
31AQI (US)
31AQI (US)
5th May 2026
19AQI (US)
19AQI (US)
6th May 2026
35AQI (US)
35AQI (US)
7th May 2026
37AQI (US)
37AQI (US)
8th May 2026
29AQI (US)
29AQI (US)
9th May 2026
28AQI (US)
28AQI (US)
10th May 2026
36AQI (US)
36AQI (US)
11th May 2026
38AQI (US)
38AQI (US)
12th May 2026
43AQI (US)
43AQI (US)
13th May 2026
46AQI (US)
46AQI (US)
14th May 2026
41AQI (US)
41AQI (US)
15th May 2026
53AQI (US)
53AQI (US)
16th May 2026
86AQI (US)
86AQI (US)
17th May 2026
69AQI (US)
69AQI (US)
18th May 2026
53AQI (US)
53AQI (US)
19th May 2026
49AQI (US)
49AQI (US)
20th May 2026
61AQI (US)
61AQI (US)
21st May 2026
59AQI (US)
59AQI (US)
22nd May 2026
62AQI (US)
62AQI (US)
23rd May 2026
53AQI (US)
53AQI (US)
24th May 2026
59AQI (US)
59AQI (US)
25th May 2026
47AQI (US)
47AQI (US)
26th May 2026
40AQI (US)
40AQI (US)
27th May 2026
27AQI (US)
27AQI (US)
28th May 2026
26AQI (US)
26AQI (US)
29th May 2026
25AQI (US)
25AQI (US)
30th May 2026
28AQI (US)
28AQI (US)
31st May 2026
31AQI (US)
31AQI (US)
1st June 2026
38AQI (US)
38AQI (US)
2nd June 2026
35AQI (US)
35AQI (US)
3rd June 2026
19AQI (US)
19AQI (US)
4th June 2026
21AQI (US)
21AQI (US)
5th June 2026
22AQI (US)
22AQI (US)
6th June 2026
23AQI (US)
23AQI (US)
7th June 2026
21AQI (US)
21AQI (US)
8th June 2026
18AQI (US)
18AQI (US)
9th June 2026
22AQI (US)
22AQI (US)
10th June 2026
22AQI (US)
22AQI (US)
11th June 2026
26AQI (US)
26AQI (US)
12th June 2026
25AQI (US)
25AQI (US)
13th June 2026
27AQI (US)
27AQI (US)
14th June 2026
25AQI (US)
25AQI (US)
15th June 2026
22AQI (US)
22AQI (US)
16th June 2026
26AQI (US)
26AQI (US)
17th June 2026
25AQI (US)
25AQI (US)
18th June 2026
26AQI (US)
26AQI (US)
19th June 2026
30AQI (US)
30AQI (US)
20th June 2026
18AQI (US)
18AQI (US)
21st June 2026
15AQI (US)
15AQI (US)
22nd June 2026
20AQI (US)
20AQI (US)
23rd June 2026
22AQI (US)
22AQI (US)
24th June 2026
22AQI (US)
22AQI (US)
25th June 2026
23AQI (US)
23AQI (US)
26th June 2026
26AQI (US)
26AQI (US)
27th June 2026
26AQI (US)
26AQI (US)
28th June 2026
29AQI (US)
29AQI (US)
29th June 2026
28AQI (US)
28AQI (US)
30th June 2026
25AQI (US)
25AQI (US)
1st July 2026
26AQI (US)
26AQI (US)
2nd July 2026
22AQI (US)
22AQI (US)
3rd July 2026
16AQI (US)
16AQI (US)
4th July 2026
42AQI (US)
42AQI (US)
5th July 2026
24AQI (US)
24AQI (US)
6th July 2026
32AQI (US)
32AQI (US)
7th July 2026
27AQI (US)
27AQI (US)
8th July 2026
26AQI (US)
26AQI (US)
9th July 2026
26AQI (US)
26AQI (US)
10th July 2026
28AQI (US)
28AQI (US)
11th July 2026
29AQI (US)
29AQI (US)
12th July 2026
29AQI (US)
29AQI (US)
13th July 2026
28AQI (US)
28AQI (US)
14th July 2026
31AQI (US)
31AQI (US)
15th July 2026
29AQI (US)
29AQI (US)
16th July 2026
30AQI (US)
30AQI (US)
17th July 2026
36AQI (US)
36AQI (US)
18th July 2026
29AQI (US)
29AQI (US)
19th July 2026
30AQI (US)
30AQI (US)
20th July 2026
27AQI (US)
27AQI (US)
21st July 2026
51AQI (US)
51AQI (US)
22nd July 2026
60AQI (US)
60AQI (US)
23rd July 2026
54AQI (US)
54AQI (US)
24th July 2026
39AQI (US)
39AQI (US)
25th July 2026
35AQI (US)
35AQI (US)
26th July 2026
26AQI (US)
26AQI (US)
27th July 2026
25AQI (US)
25AQI (US)
28th July 2026
29AQI (US)
29AQI (US)
29th July 2026
30AQI (US)
30AQI (US)
30th July 2026
27AQI (US)
27AQI (US)
31st July 2026
39AQI (US)
39AQI (US)
1st August 2026
43AQI (US)
43AQI (US)
2nd August 2026
35AQI (US)
35AQI (US)
3rd August 2026
4th August 2026
5th August 2026
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
28AQI (US)
37AQI (US)
49AQI (US)
38AQI (US)
44AQI (US)
24AQI (US)
32AQI (US)
39AQI (US)
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202636AQI (US)
30
1
26
2
14
17
28
2
21
10
30
28
3
2
179
35
Highest AQI (US) recorded in
March49AQI (US)
Lowest AQI (US) recorded in
June24AQI (US)
202539AQI (US)
30
1
28
22
9
25
5
27
4
27
3
17
14
24
7
30
26
5
29
1
25
6
310
55
Highest AQI (US) recorded in
July50AQI (US)
Lowest AQI (US) recorded in
January33AQI (US)
202340AQI (US)
28
3
23
5
23
8
16
14
22
9
25
5
19
12
30
1
30
30
1
21
8
28
3
295
69
Highest AQI (US) recorded in
April51AQI (US)
Lowest AQI (US) recorded in
August32AQI (US)
202238AQI (US)
29
1
20
1
23
8
20
10
26
5
20
10
16
6
1
24
4
27
4
24
6
31
261
55
Highest AQI (US) recorded in
June46AQI (US)
Lowest AQI (US) recorded in
December29AQI (US)
202137AQI (US)
27
4
23
5
24
7
25
5
25
6
24
6
28
3
26
5
27
3
29
2
28
2
30
1
316
49
Highest AQI (US) recorded in
June44AQI (US)
Lowest AQI (US) recorded in
October30AQI (US)
202036AQI (US)
11
2
18
3
18
21
9
29
2
14
17
19
28
3
23
7
30
1
211
44
Highest AQI (US) recorded in
August52AQI (US)
Lowest AQI (US) recorded in
September23AQI (US)
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2023(Avg.)
40AQI (US)Least Polluted Year Recorded
2020(Avg.)
36AQI (US)Ogawa's annual 2026 AQI (US) (36) shows an average percentage change of -5.1% (improved AQI (US)) compared to previous years: 2020 (36), 2021 (37), 2022 (38), 2023 (40), 2025 (39).
