Matsudo, Chiba, 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
Matsudo, Chiba, Japan
2022
2023
2024
2025
2026
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
3rd Aug 2022
89AQILowest AQI recorded on
25th Aug 2023
14AQISame Day Analysis (4th 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: 3rd Aug - 4th Aug 2026
Matsudo, Chiba, Japan
AQI
Day
Night
.
4 AM3rd Aug 2026
6 PM
3 AM4th Aug 2026
Day time
Avg. Highest Time
4PM3rd Aug
27AQI
Avg. Lowest Time
4AM3rd Aug
11AQI
Night time
Avg. Highest Time
8PM3rd Aug
26AQI
Avg. Lowest Time
1AM4th Aug
21AQI
In the last 24 hours,
Matsudo's AQI reached its highest point of 27 at 4 PM during the Day, while the lowest point, 11, was recorded at 4 AM during the Day between 3rd Aug and 4th Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Matsudo, Chiba, Japan
JulAug
06th - 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 - 02nd02nd - 03rd03rd - 04th04th
Day
Night
6th Jul 2026294 AMAQI
6th Jul 2026325 AMAQI
6th Jul 2026316 AMAQI
6th Jul 2026267 AMAQI
6th Jul 2026288 AMAQI
6th Jul 2026279 AMAQI
6th Jul 20262710 AMAQI
6th Jul 20262811 AMAQI
6th Jul 20261912 PMAQI
6th Jul 2026201 PMAQI
6th Jul 2026212 PMAQI
6th Jul 2026243 PMAQI
6th Jul 2026234 PMAQI
6th Jul 2026205 PMAQI
6th Jul 2026196 PMAQI
6th Jul 2026207 PMAQI
6th Jul 2026258 PMAQI
6th Jul 2026259 PMAQI
6th Jul 20262610 PMAQI
6th Jul 20262611 PMAQI
7th Jul 20262912 AMAQI
7th Jul 2026281 AMAQI
7th Jul 2026282 AMAQI
7th Jul 2026293 AMAQI
22°C21/24°C
7th Jul 2026274 AMAQI
7th Jul 2026285 AMAQI
7th Jul 2026286 AMAQI
7th Jul 2026267 AMAQI
7th Jul 2026288 AMAQI
7th Jul 2026249 AMAQI
7th Jul 20262410 AMAQI
7th Jul 20262211 AMAQI
7th Jul 20262112 PMAQI
7th Jul 2026221 PMAQI
7th Jul 2026242 PMAQI
7th Jul 2026273 PMAQI
7th Jul 2026244 PMAQI
7th Jul 2026275 PMAQI
7th Jul 2026266 PMAQI
7th Jul 2026267 PMAQI
7th Jul 2026258 PMAQI
7th Jul 2026269 PMAQI
7th Jul 20262610 PMAQI
7th Jul 20262511 PMAQI
8th Jul 20262912 AMAQI
8th Jul 2026271 AMAQI
8th Jul 2026282 AMAQI
8th Jul 2026203 AMAQI
25°C21/30°C
8th Jul 2026244 AMAQI
8th Jul 2026265 AMAQI
8th Jul 2026246 AMAQI
8th Jul 2026227 AMAQI
8th Jul 2026278 AMAQI
8th Jul 2026199 AMAQI
8th Jul 20262210 AMAQI
8th Jul 20262211 AMAQI
8th Jul 20262212 PMAQI
8th Jul 2026211 PMAQI
8th Jul 2026232 PMAQI
8th Jul 2026243 PMAQI
8th Jul 2026254 PMAQI
8th Jul 2026235 PMAQI
8th Jul 2026216 PMAQI
8th Jul 2026187 PMAQI
8th Jul 2026178 PMAQI
8th Jul 2026179 PMAQI
8th Jul 20261810 PMAQI
8th Jul 20261711 PMAQI
9th Jul 20262012 AMAQI
9th Jul 2026271 AMAQI
9th Jul 2026252 AMAQI
9th Jul 2026143 AMAQI
25°C21/30°C
9th Jul 2026244 AMAQI
9th Jul 2026225 AMAQI
9th Jul 2026216 AMAQI
9th Jul 2026207 AMAQI
9th Jul 2026218 AMAQI
9th Jul 2026169 AMAQI
9th Jul 20262210 AMAQI
9th Jul 20262211 AMAQI
9th Jul 20262112 PMAQI
9th Jul 2026201 PMAQI
9th Jul 2026242 PMAQI
9th Jul 2026273 PMAQI
9th Jul 2026274 PMAQI
9th Jul 2026265 PMAQI
9th Jul 2026256 PMAQI
9th Jul 2026257 PMAQI
9th Jul 2026258 PMAQI
9th Jul 2026239 PMAQI
9th Jul 20262410 PMAQI
9th Jul 20262711 PMAQI
10th Jul 20262512 AMAQI
10th Jul 2026271 AMAQI
10th Jul 2026252 AMAQI
10th Jul 2026193 AMAQI
26°C23/30°C
10th Jul 2026234 AMAQI
10th Jul 2026175 AMAQI
10th Jul 2026236 AMAQI
10th Jul 2026207 AMAQI
10th Jul 2026198 AMAQI
10th Jul 2026229 AMAQI
10th Jul 20262710 AMAQI
10th Jul 20262611 AMAQI
10th Jul 20262612 PMAQI
10th Jul 2026241 PMAQI
10th Jul 2026222 PMAQI
10th Jul 2026223 PMAQI
10th Jul 2026234 PMAQI
10th Jul 2026265 PMAQI
10th Jul 2026266 PMAQI
10th Jul 2026287 PMAQI
10th Jul 2026288 PMAQI
10th Jul 2026299 PMAQI
10th Jul 20262810 PMAQI
10th Jul 20262611 PMAQI
11th Jul 20262312 AMAQI
11th Jul 2026121 AMAQI
11th Jul 2026202 AMAQI
11th Jul 2026133 AMAQI
27°C24/31°C
11th Jul 2026144 AMAQI
11th Jul 2026225 AMAQI
11th Jul 2026266 AMAQI
11th Jul 2026217 AMAQI
11th Jul 2026268 AMAQI
11th Jul 2026279 AMAQI
11th Jul 20263110 AMAQI
11th Jul 20262711 AMAQI
11th Jul 20262612 PMAQI
11th Jul 2026241 PMAQI
11th Jul 2026232 PMAQI
11th Jul 2026223 PMAQI
11th Jul 2026244 PMAQI
11th Jul 2026295 PMAQI
11th Jul 2026276 PMAQI
11th Jul 2026187 PMAQI
11th Jul 2026228 PMAQI
11th Jul 2026279 PMAQI
11th Jul 20262810 PMAQI
11th Jul 20262911 PMAQI
12th Jul 20262712 AMAQI
12th Jul 2026301 AMAQI
12th Jul 2026252 AMAQI
12th Jul 2026173 AMAQI
27°C24/30°C
12th Jul 2026234 AMAQI
12th Jul 2026265 AMAQI
12th Jul 2026266 AMAQI
12th Jul 2026287 AMAQI
12th Jul 2026288 AMAQI
12th Jul 2026289 AMAQI
12th Jul 20262910 AMAQI
12th Jul 20262411 AMAQI
12th Jul 20262512 PMAQI
12th Jul 2026221 PMAQI
12th Jul 2026222 PMAQI
12th Jul 2026223 PMAQI
12th Jul 2026244 PMAQI
12th Jul 2026285 PMAQI
12th Jul 2026296 PMAQI
12th Jul 2026307 PMAQI
12th Jul 2026298 PMAQI
12th Jul 2026309 PMAQI
12th Jul 20263010 PMAQI
12th Jul 20262911 PMAQI
13th Jul 20263012 AMAQI
13th Jul 2026301 AMAQI
13th Jul 2026292 AMAQI
13th Jul 2026293 AMAQI
26°C24/28°C
13th Jul 2026284 AMAQI
13th Jul 2026305 AMAQI
13th Jul 2026296 AMAQI
13th Jul 2026287 AMAQI
13th Jul 2026308 AMAQI
13th Jul 2026309 AMAQI
13th Jul 20263010 AMAQI
13th Jul 20262811 AMAQI
13th Jul 20262712 PMAQI
13th Jul 2026271 PMAQI
13th Jul 2026232 PMAQI
13th Jul 2026263 PMAQI
13th Jul 2026284 PMAQI
13th Jul 2026345 PMAQI
13th Jul 2026566 PMAQI
13th Jul 2026467 PMAQI
13th Jul 2026428 PMAQI
13th Jul 2026379 PMAQI
13th Jul 20264010 PMAQI
13th Jul 20263911 PMAQI
14th Jul 20263812 AMAQI
14th Jul 2026401 AMAQI
14th Jul 2026392 AMAQI
14th Jul 2026383 AMAQI
27°C25/31°C
14th Jul 2026334 AMAQI
14th Jul 2026375 AMAQI
14th Jul 2026326 AMAQI
14th Jul 2026347 AMAQI
14th Jul 2026298 AMAQI
14th Jul 2026329 AMAQI
14th Jul 20263110 AMAQI
14th Jul 20262611 AMAQI
14th Jul 20262412 PMAQI
14th Jul 2026211 PMAQI
14th Jul 2026222 PMAQI
14th Jul 2026353 PMAQI
14th Jul 2026254 PMAQI
14th Jul 2026545 PMAQI
14th Jul 2026486 PMAQI
14th Jul 2026457 PMAQI
14th Jul 2026378 PMAQI
14th Jul 2026369 PMAQI
14th Jul 20264010 PMAQI
14th Jul 20264011 PMAQI
15th Jul 20263612 AMAQI
15th Jul 2026321 AMAQI
15th Jul 2026332 AMAQI
15th Jul 2026263 AMAQI
28°C24/32°C
15th Jul 2026334 AMAQI
15th Jul 2026385 AMAQI
15th Jul 2026346 AMAQI
15th Jul 2026387 AMAQI
15th Jul 2026328 AMAQI
15th Jul 2026309 AMAQI
15th Jul 20263210 AMAQI
15th Jul 20263911 AMAQI
15th Jul 20263912 PMAQI
15th Jul 2026381 PMAQI
15th Jul 2026392 PMAQI
15th Jul 2026483 PMAQI
15th Jul 2026534 PMAQI
15th Jul 2026525 PMAQI
15th Jul 2026576 PMAQI
15th Jul 2026547 PMAQI
15th Jul 2026478 PMAQI
15th Jul 2026569 PMAQI
15th Jul 20264610 PMAQI
15th Jul 20264411 PMAQI
16th Jul 20264112 AMAQI
16th Jul 2026411 AMAQI
16th Jul 2026432 AMAQI
16th Jul 2026313 AMAQI
29°C26/33°C
16th Jul 2026654 AMAQI
16th Jul 2026675 AMAQI
16th Jul 2026696 AMAQI
16th Jul 2026727 AMAQI
16th Jul 2026698 AMAQI
16th Jul 2026689 AMAQI
16th Jul 20266810 AMAQI
16th Jul 20267211 AMAQI
16th Jul 20266812 PMAQI
16th Jul 2026751 PMAQI
16th Jul 2026802 PMAQI
16th Jul 2026763 PMAQI
16th Jul 2026764 PMAQI
16th Jul 2026805 PMAQI
16th Jul 2026786 PMAQI
16th Jul 2026677 PMAQI
16th Jul 2026668 PMAQI
16th Jul 2026769 PMAQI
16th Jul 20267810 PMAQI
16th Jul 20267211 PMAQI
17th Jul 20266412 AMAQI
17th Jul 2026581 AMAQI
17th Jul 2026542 AMAQI
17th Jul 2026493 AMAQI
30°C26/35°C
17th Jul 2026464 AMAQI
17th Jul 2026405 AMAQI
17th Jul 2026416 AMAQI
17th Jul 2026407 AMAQI
17th Jul 2026448 AMAQI
17th Jul 2026549 AMAQI
17th Jul 20265710 AMAQI
17th Jul 20266011 AMAQI
17th Jul 20266512 PMAQI
17th Jul 2026681 PMAQI
17th Jul 2026642 PMAQI
17th Jul 2026463 PMAQI
17th Jul 2026304 PMAQI
17th Jul 2026305 PMAQI
17th Jul 2026386 PMAQI
17th Jul 2026467 PMAQI
17th Jul 2026528 PMAQI
17th Jul 2026509 PMAQI
17th Jul 20264810 PMAQI
17th Jul 20264011 PMAQI
18th Jul 20263312 AMAQI
18th Jul 2026311 AMAQI
18th Jul 2026272 AMAQI
18th Jul 2026293 AMAQI
29°C26/31°C
18th Jul 2026324 AMAQI
18th Jul 2026285 AMAQI
18th Jul 2026216 AMAQI
18th Jul 2026167 AMAQI
18th Jul 2026208 AMAQI
18th Jul 2026139 AMAQI
18th Jul 20261810 AMAQI
18th Jul 20261711 AMAQI
18th Jul 20261612 PMAQI
18th Jul 2026181 PMAQI
18th Jul 2026162 PMAQI
18th Jul 2026213 PMAQI
18th Jul 2026144 PMAQI
18th Jul 2026125 PMAQI
18th Jul 2026136 PMAQI
18th Jul 2026117 PMAQI
18th Jul 2026118 PMAQI
18th Jul 2026149 PMAQI
18th Jul 20261710 PMAQI
18th Jul 20261611 PMAQI
19th Jul 20261612 AMAQI
19th Jul 2026151 AMAQI
19th Jul 2026142 AMAQI
19th Jul 2026193 AMAQI
28°C25/31°C
19th Jul 2026174 AMAQI
19th Jul 2026145 AMAQI
19th Jul 2026156 AMAQI
19th Jul 2026187 AMAQI
19th Jul 2026168 AMAQI
19th Jul 2026149 AMAQI
19th Jul 20261410 AMAQI
19th Jul 20261611 AMAQI
19th Jul 20261612 PMAQI
19th Jul 2026181 PMAQI
19th Jul 2026232 PMAQI
19th Jul 2026253 PMAQI
19th Jul 2026254 PMAQI
19th Jul 2026255 PMAQI
19th Jul 2026246 PMAQI
19th Jul 2026237 PMAQI
19th Jul 2026268 PMAQI
19th Jul 2026239 PMAQI
19th Jul 20262410 PMAQI
19th Jul 20262511 PMAQI
20th Jul 20262612 AMAQI
20th Jul 2026241 AMAQI
20th Jul 2026232 AMAQI
20th Jul 2026243 AMAQI
28°C25/31°C
20th Jul 2026244 AMAQI
20th Jul 2026245 AMAQI
20th Jul 2026246 AMAQI
20th Jul 2026237 AMAQI
20th Jul 2026248 AMAQI
20th Jul 2026259 AMAQI
20th Jul 20262510 AMAQI
20th Jul 20262711 AMAQI
20th Jul 20263012 PMAQI
20th Jul 2026301 PMAQI
20th Jul 2026272 PMAQI
20th Jul 2026283 PMAQI
20th Jul 2026314 PMAQI
20th Jul 2026385 PMAQI
20th Jul 2026306 PMAQI
20th Jul 2026287 PMAQI
20th Jul 2026328 PMAQI
20th Jul 2026279 PMAQI
20th Jul 20262810 PMAQI
20th Jul 20262711 PMAQI
21st Jul 20263212 AMAQI
21st Jul 2026321 AMAQI
21st Jul 2026322 AMAQI
21st Jul 2026293 AMAQI
30°C26/35°C
21st Jul 2026284 AMAQI
21st Jul 2026305 AMAQI
21st Jul 2026306 AMAQI
21st Jul 2026327 AMAQI
21st Jul 2026308 AMAQI
21st Jul 2026329 AMAQI
21st Jul 20263510 AMAQI
21st Jul 20263611 AMAQI
21st Jul 2026461 PMAQI
21st Jul 2026452 PMAQI
21st Jul 2026503 PMAQI
21st Jul 2026504 PMAQI
21st Jul 2026545 PMAQI
21st Jul 2026536 PMAQI
21st Jul 2026907 PMAQI
21st Jul 2026548 PMAQI
21st Jul 2026489 PMAQI
21st Jul 20265210 PMAQI
21st Jul 20265411 PMAQI
22nd Jul 20265612 AMAQI
22nd Jul 2026581 AMAQI
22nd Jul 2026562 AMAQI
22nd Jul 2026613 AMAQI
31°C27/36°C
22nd Jul 2026634 AMAQI
22nd Jul 2026605 AMAQI
22nd Jul 2026606 AMAQI
22nd Jul 2026637 AMAQI
22nd Jul 2026598 AMAQI
22nd Jul 2026579 AMAQI
22nd Jul 20266110 AMAQI
22nd Jul 20266811 AMAQI
22nd Jul 20267312 PMAQI
22nd Jul 2026751 PMAQI
22nd Jul 2026792 PMAQI
22nd Jul 2026773 PMAQI
22nd Jul 2026694 PMAQI
22nd Jul 2026705 PMAQI
22nd Jul 2026746 PMAQI
22nd Jul 2026737 PMAQI
22nd Jul 2026708 PMAQI
22nd Jul 2026709 PMAQI
22nd Jul 20267010 PMAQI
22nd Jul 20267611 PMAQI
23rd Jul 20267612 AMAQI
23rd Jul 2026711 AMAQI
23rd Jul 2026642 AMAQI
23rd Jul 2026633 AMAQI
31°C27/35°C
23rd Jul 2026614 AMAQI
23rd Jul 2026615 AMAQI
23rd Jul 2026616 AMAQI
23rd Jul 2026617 AMAQI
23rd Jul 2026608 AMAQI
23rd Jul 2026599 AMAQI
23rd Jul 20266110 AMAQI
23rd Jul 20266611 AMAQI
23rd Jul 20266712 PMAQI
23rd Jul 2026711 PMAQI
23rd Jul 2026762 PMAQI
23rd Jul 2026763 PMAQI
23rd Jul 2026734 PMAQI
23rd Jul 2026685 PMAQI
23rd Jul 2026616 PMAQI
23rd Jul 2026527 PMAQI
23rd Jul 2026458 PMAQI
23rd Jul 2026389 PMAQI
23rd Jul 20263110 PMAQI
23rd Jul 20263211 PMAQI
24th Jul 20262712 AMAQI
24th Jul 2026241 AMAQI
24th Jul 2026282 AMAQI
24th Jul 2026243 AMAQI
32°C28/38°C
24th Jul 2026224 AMAQI
24th Jul 2026245 AMAQI
24th Jul 2026276 AMAQI
24th Jul 2026247 AMAQI
24th Jul 2026218 AMAQI
24th Jul 2026289 AMAQI
24th Jul 20263210 AMAQI
24th Jul 20264411 AMAQI
24th Jul 20264412 PMAQI
24th Jul 2026521 PMAQI
24th Jul 2026552 PMAQI
24th Jul 2026563 PMAQI
24th Jul 2026584 PMAQI
24th Jul 2026645 PMAQI
24th Jul 2026576 PMAQI
24th Jul 2026557 PMAQI
24th Jul 2026398 PMAQI
24th Jul 2026329 PMAQI
24th Jul 20263110 PMAQI
24th Jul 20263011 PMAQI
25th Jul 20262912 AMAQI
25th Jul 2026371 AMAQI
25th Jul 2026312 AMAQI
25th Jul 2026273 AMAQI
29°C26/34°C
25th Jul 2026254 AMAQI
25th Jul 2026265 AMAQI
25th Jul 2026196 AMAQI
25th Jul 2026177 AMAQI
25th Jul 2026188 AMAQI
25th Jul 2026219 AMAQI
25th Jul 20262610 AMAQI
25th Jul 20263411 AMAQI
25th Jul 20264412 PMAQI
25th Jul 2026421 PMAQI
25th Jul 2026402 PMAQI
25th Jul 2026443 PMAQI
25th Jul 2026414 PMAQI
25th Jul 2026445 PMAQI
25th Jul 2026236 PMAQI
25th Jul 2026247 PMAQI
25th Jul 2026288 PMAQI
25th Jul 2026389 PMAQI
25th Jul 20262910 PMAQI
25th Jul 20263011 PMAQI
26th Jul 20262412 AMAQI
26th Jul 2026281 AMAQI
26th Jul 2026222 AMAQI
26th Jul 2026253 AMAQI
29°C24/35°C
26th Jul 2026254 AMAQI
26th Jul 2026245 AMAQI
26th Jul 2026196 AMAQI
26th Jul 2026187 AMAQI
26th Jul 2026158 AMAQI
26th Jul 2026169 AMAQI
26th Jul 20261710 AMAQI
26th Jul 20261911 AMAQI
26th Jul 20262612 PMAQI
26th Jul 2026321 PMAQI
26th Jul 2026442 PMAQI
26th Jul 2026623 PMAQI
26th Jul 2026374 PMAQI
26th Jul 2026285 PMAQI
26th Jul 2026296 PMAQI
26th Jul 2026327 PMAQI
26th Jul 2026338 PMAQI
26th Jul 2026329 PMAQI
26th Jul 20262310 PMAQI
26th Jul 20262311 PMAQI
27th Jul 20262412 AMAQI
27th Jul 2026341 AMAQI
27th Jul 2026242 AMAQI
27th Jul 2026253 AMAQI
28°C25/32°C
27th Jul 2026214 AMAQI
27th Jul 2026225 AMAQI
27th Jul 2026216 AMAQI
27th Jul 2026247 AMAQI
27th Jul 2026238 AMAQI
27th Jul 2026229 AMAQI
27th Jul 20262210 AMAQI
27th Jul 20262411 AMAQI
27th Jul 20262112 PMAQI
27th Jul 2026221 PMAQI
27th Jul 2026232 PMAQI
27th Jul 2026253 PMAQI
27th Jul 2026244 PMAQI
27th Jul 2026225 PMAQI
27th Jul 2026246 PMAQI
27th Jul 2026227 PMAQI
27th Jul 2026218 PMAQI
27th Jul 2026229 PMAQI
27th Jul 20262710 PMAQI
27th Jul 20262611 PMAQI
28th Jul 20262312 AMAQI
28th Jul 2026241 AMAQI
28th Jul 2026252 AMAQI
28th Jul 2026253 AMAQI
26°C24/30°C
28th Jul 2026244 AMAQI
28th Jul 2026245 AMAQI
28th Jul 2026246 AMAQI
28th Jul 2026217 AMAQI
28th Jul 2026228 AMAQI
28th Jul 2026229 AMAQI
28th Jul 20262410 AMAQI
28th Jul 20262311 AMAQI
28th Jul 20262612 PMAQI
28th Jul 2026261 PMAQI
28th Jul 2026282 PMAQI
28th Jul 2026263 PMAQI
28th Jul 2026264 PMAQI
28th Jul 2026255 PMAQI
28th Jul 2026266 PMAQI
28th Jul 2026237 PMAQI
28th Jul 2026238 PMAQI
28th Jul 2026239 PMAQI
28th Jul 20263010 PMAQI
28th Jul 20264011 PMAQI
29th Jul 20265412 AMAQI
29th Jul 2026541 AMAQI
29th Jul 2026562 AMAQI
29th Jul 2026323 AMAQI
26°C23/31°C
29th Jul 2026564 AMAQI
29th Jul 2026535 AMAQI
29th Jul 2026516 AMAQI
29th Jul 2026457 AMAQI
29th Jul 2026328 AMAQI
29th Jul 2026379 AMAQI
29th Jul 20262810 AMAQI
29th Jul 20262011 AMAQI
29th Jul 20262212 PMAQI
29th Jul 2026191 PMAQI
29th Jul 2026212 PMAQI
29th Jul 2026253 PMAQI
29th Jul 2026194 PMAQI
29th Jul 2026215 PMAQI
29th Jul 2026196 PMAQI
29th Jul 2026197 PMAQI
29th Jul 2026268 PMAQI
29th Jul 2026249 PMAQI
29th Jul 20262310 PMAQI
29th Jul 20262211 PMAQI
30th Jul 20261912 AMAQI
30th Jul 2026221 AMAQI
30th Jul 2026232 AMAQI
30th Jul 2026213 AMAQI
29°C25/35°C
30th Jul 2026264 AMAQI
30th Jul 2026235 AMAQI
30th Jul 2026216 AMAQI
30th Jul 2026217 AMAQI
30th Jul 2026228 AMAQI
30th Jul 2026229 AMAQI
30th Jul 20262310 AMAQI
30th Jul 20262411 AMAQI
30th Jul 20262512 PMAQI
30th Jul 2026251 PMAQI
30th Jul 2026372 PMAQI
30th Jul 2026473 PMAQI
30th Jul 2026494 PMAQI
30th Jul 2026505 PMAQI
30th Jul 2026556 PMAQI
30th Jul 2026597 PMAQI
30th Jul 2026598 PMAQI
30th Jul 2026549 PMAQI
30th Jul 20264410 PMAQI
30th Jul 20265011 PMAQI
31st Jul 20264412 AMAQI
31st Jul 2026441 AMAQI
31st Jul 2026372 AMAQI
31st Jul 2026403 AMAQI
31°C27/36°C
31st Jul 2026384 AMAQI
31st Jul 2026375 AMAQI
31st Jul 2026406 AMAQI
31st Jul 2026427 AMAQI
31st Jul 2026398 AMAQI
31st Jul 2026409 AMAQI
31st Jul 20264310 AMAQI
31st Jul 20264611 AMAQI
31st Jul 20265012 PMAQI
31st Jul 2026481 PMAQI
31st Jul 2026462 PMAQI
31st Jul 2026463 PMAQI
31st Jul 2026454 PMAQI
31st Jul 2026465 PMAQI
31st Jul 2026516 PMAQI
31st Jul 2026547 PMAQI
31st Jul 2026608 PMAQI
31st Jul 2026539 PMAQI
31st Jul 20264910 PMAQI
31st Jul 20264611 PMAQI
1st Aug 20265112 AMAQI
1st Aug 2026501 AMAQI
1st Aug 2026522 AMAQI
1st Aug 2026453 AMAQI
31°C28/36°C
1st Aug 2026574 AMAQI
1st Aug 2026575 AMAQI
1st Aug 2026586 AMAQI
1st Aug 2026587 AMAQI
1st Aug 2026568 AMAQI
1st Aug 2026559 AMAQI
1st Aug 20265310 AMAQI
1st Aug 20265511 AMAQI
1st Aug 20265812 PMAQI
1st Aug 2026581 PMAQI
1st Aug 2026592 PMAQI
1st Aug 2026603 PMAQI
1st Aug 2026604 PMAQI
1st Aug 2026545 PMAQI
1st Aug 2026566 PMAQI
1st Aug 2026587 PMAQI
1st Aug 2026638 PMAQI
1st Aug 2026669 PMAQI
1st Aug 20266610 PMAQI
1st Aug 20267111 PMAQI
2nd Aug 20267112 AMAQI
2nd Aug 2026701 AMAQI
2nd Aug 2026762 AMAQI
2nd Aug 2026593 AMAQI
31°C27/36°C
2nd Aug 2026704 AMAQI
2nd Aug 2026685 AMAQI
2nd Aug 2026666 AMAQI
2nd Aug 2026597 AMAQI
2nd Aug 2026528 AMAQI
2nd Aug 2026549 AMAQI
2nd Aug 20265610 AMAQI
2nd Aug 20265211 AMAQI
2nd Aug 20264912 PMAQI
2nd Aug 2026431 PMAQI
2nd Aug 2026372 PMAQI
2nd Aug 2026343 PMAQI
2nd Aug 2026324 PMAQI
2nd Aug 2026295 PMAQI
2nd Aug 2026266 PMAQI
2nd Aug 2026177 PMAQI
2nd Aug 2026248 PMAQI
2nd Aug 2026159 PMAQI
2nd Aug 20261310 PMAQI
2nd Aug 20261311 PMAQI
3rd Aug 20261112 AMAQI
3rd Aug 2026101 AMAQI
3rd Aug 2026102 AMAQI
3rd Aug 2026113 AMAQI
29°C24/34°C
3rd Aug 2026114 AMAQI
3rd Aug 2026125 AMAQI
3rd Aug 2026126 AMAQI
3rd Aug 2026127 AMAQI
3rd Aug 2026158 AMAQI
3rd Aug 2026199 AMAQI
3rd Aug 20262010 AMAQI
3rd Aug 20262011 AMAQI
3rd Aug 20262112 PMAQI
3rd Aug 2026201 PMAQI
3rd Aug 2026182 PMAQI
3rd Aug 2026213 PMAQI
3rd Aug 2026274 PMAQI
3rd Aug 2026215 PMAQI
3rd Aug 2026236 PMAQI
3rd Aug 2026247 PMAQI
3rd Aug 2026268 PMAQI
3rd Aug 2026249 PMAQI
3rd Aug 20262210 PMAQI
3rd Aug 20262211 PMAQI
4th Aug 20262212 AMAQI
4th Aug 2026211 AMAQI
4th Aug 2026222 AMAQI
4th Aug 2026223 AMAQI
25°C24/27°C
4th Aug 2026244 AMAQI
4 AM4th Aug 2026245 AMAQI
4th Aug 2026226 AMAQI
4th Aug 2026227 AMAQI
4th Aug 2026228 AMAQI
4th Aug 2026229 AMAQI
4th Aug 20262210 AMAQI
4th Aug 20262211 AMAQI
11 AM4th Aug 20262412 PMAQI
4th Aug 2026251 PMAQI
4th Aug 2026232 PMAQI
4th Aug 2026303 PMAQI
4th Aug 2026234 PMAQI
4th Aug 2026265 PMAQI
4th Aug 2026276 PMAQI
6 PM4th Aug 2026267 PMAQI
4th Aug 2026268 PMAQI
4th Aug 2026249 PMAQI
4th Aug 20262410 PMAQI
4th Aug 20262611 PMAQI
11 PM3 AM
25°C22/29°C
Day time
Avg. Highest Time
3 PM
38AQI
1 hours / Day
30 hours / Month
Avg. Lowest Time
8 AM - 9 AM
31AQI
2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 3 PM to 3 PM (Avg. 38), while the lowest AQI was between 8 AM to 9 AM (Avg. 31).
Night time
Avg. Highest Time
7 PM - 11 PM
36AQI
5 hours / Day
150 hours / Month
Avg. Lowest Time
3 AM
30AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 7 PM to 11 PM (Avg. 36), while the lowest AQI was between 3 AM to 3 AM (Avg. 30).
2026 Days Vs Air Quality
Matsudo, Chiba, Japan
2026
87%
188
13%
28
Total number of days with different AQI categories in last 216 days in 2026 (149 days remaining)
Good
188 DaysModerate
28 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 87%
Health Risk Level:
Low
In 2026, 87% of 216 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
Matsudo, Chiba, 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
20AQI (US)
20AQI (US)
3rd January 2026
16AQI (US)
16AQI (US)
4th January 2026
24AQI (US)
24AQI (US)
5th January 2026
48AQI (US)
48AQI (US)
6th January 2026
23AQI (US)
23AQI (US)
7th January 2026
34AQI (US)
34AQI (US)
8th January 2026
44AQI (US)
44AQI (US)
9th January 2026
18AQI (US)
18AQI (US)
10th January 2026
38AQI (US)
38AQI (US)
11th January 2026
32AQI (US)
32AQI (US)
12th January 2026
20AQI (US)
20AQI (US)
13th January 2026
40AQI (US)
40AQI (US)
14th January 2026
18AQI (US)
18AQI (US)
15th January 2026
30AQI (US)
30AQI (US)
16th January 2026
50AQI (US)
50AQI (US)
17th January 2026
51AQI (US)
51AQI (US)
18th January 2026
27AQI (US)
27AQI (US)
19th January 2026
46AQI (US)
46AQI (US)
20th January 2026
46AQI (US)
46AQI (US)
21st January 2026
13AQI (US)
13AQI (US)
22nd January 2026
23AQI (US)
23AQI (US)
23rd January 2026
39AQI (US)
39AQI (US)
24th January 2026
41AQI (US)
41AQI (US)
25th January 2026
44AQI (US)
44AQI (US)
26th January 2026
23AQI (US)
23AQI (US)
27th January 2026
38AQI (US)
38AQI (US)
28th January 2026
24AQI (US)
24AQI (US)
29th January 2026
20AQI (US)
20AQI (US)
30th January 2026
33AQI (US)
33AQI (US)
31st January 2026
38AQI (US)
38AQI (US)
1st February 2026
38AQI (US)
38AQI (US)
2nd February 2026
46AQI (US)
46AQI (US)
3rd February 2026
28AQI (US)
28AQI (US)
4th February 2026
38AQI (US)
38AQI (US)
5th February 2026
61AQI (US)
61AQI (US)
6th February 2026
57AQI (US)
57AQI (US)
7th February 2026
13AQI (US)
13AQI (US)
8th February 2026
12AQI (US)
12AQI (US)
9th February 2026
35AQI (US)
35AQI (US)
10th February 2026
40AQI (US)
40AQI (US)
11th February 2026
60AQI (US)
60AQI (US)
12th February 2026
31AQI (US)
31AQI (US)
13th February 2026
49AQI (US)
49AQI (US)
14th February 2026
59AQI (US)
59AQI (US)
15th February 2026
70AQI (US)
70AQI (US)
16th February 2026
51AQI (US)
51AQI (US)
17th February 2026
19AQI (US)
19AQI (US)
18th February 2026
39AQI (US)
39AQI (US)
19th February 2026
29AQI (US)
29AQI (US)
20th February 2026
28AQI (US)
28AQI (US)
21st February 2026
46AQI (US)
46AQI (US)
22nd February 2026
44AQI (US)
44AQI (US)
23rd February 2026
46AQI (US)
46AQI (US)
24th February 2026
38AQI (US)
38AQI (US)
25th February 2026
34AQI (US)
34AQI (US)
26th February 2026
15AQI (US)
15AQI (US)
27th February 2026
39AQI (US)
39AQI (US)
28th February 2026
28AQI (US)
28AQI (US)
1st March 2026
20AQI (US)
20AQI (US)
2nd March 2026
52AQI (US)
52AQI (US)
3rd March 2026
44AQI (US)
44AQI (US)
4th March 2026
41AQI (US)
41AQI (US)
5th March 2026
13AQI (US)
13AQI (US)
6th March 2026
24AQI (US)
24AQI (US)
7th March 2026
42AQI (US)
42AQI (US)
8th March 2026
34AQI (US)
34AQI (US)
9th March 2026
44AQI (US)
44AQI (US)
10th March 2026
56AQI (US)
56AQI (US)
11th March 2026
56AQI (US)
56AQI (US)
12th March 2026
64AQI (US)
64AQI (US)
13th March 2026
37AQI (US)
37AQI (US)
14th March 2026
45AQI (US)
45AQI (US)
15th March 2026
55AQI (US)
55AQI (US)
16th March 2026
48AQI (US)
48AQI (US)
17th March 2026
47AQI (US)
47AQI (US)
18th March 2026
50AQI (US)
50AQI (US)
19th March 2026
36AQI (US)
36AQI (US)
20th March 2026
27AQI (US)
27AQI (US)
21st March 2026
54AQI (US)
54AQI (US)
22nd March 2026
49AQI (US)
49AQI (US)
23rd March 2026
49AQI (US)
49AQI (US)
24th March 2026
48AQI (US)
48AQI (US)
25th March 2026
62AQI (US)
62AQI (US)
26th March 2026
30AQI (US)
30AQI (US)
27th March 2026
26AQI (US)
26AQI (US)
28th March 2026
50AQI (US)
50AQI (US)
29th March 2026
50AQI (US)
50AQI (US)
30th March 2026
55AQI (US)
55AQI (US)
31st March 2026
26AQI (US)
26AQI (US)
1st April 2026
24AQI (US)
24AQI (US)
2nd April 2026
32AQI (US)
32AQI (US)
3rd April 2026
45AQI (US)
45AQI (US)
4th April 2026
46AQI (US)
46AQI (US)
5th April 2026
37AQI (US)
37AQI (US)
6th April 2026
29AQI (US)
29AQI (US)
7th April 2026
26AQI (US)
26AQI (US)
8th April 2026
28AQI (US)
28AQI (US)
9th April 2026
32AQI (US)
32AQI (US)
10th April 2026
44AQI (US)
44AQI (US)
11th April 2026
45AQI (US)
45AQI (US)
12th April 2026
32AQI (US)
32AQI (US)
13th April 2026
41AQI (US)
41AQI (US)
14th April 2026
39AQI (US)
39AQI (US)
15th April 2026
37AQI (US)
37AQI (US)
16th April 2026
32AQI (US)
32AQI (US)
17th April 2026
34AQI (US)
34AQI (US)
18th April 2026
32AQI (US)
32AQI (US)
19th April 2026
34AQI (US)
34AQI (US)
20th April 2026
33AQI (US)
33AQI (US)
21st April 2026
37AQI (US)
37AQI (US)
22nd April 2026
46AQI (US)
46AQI (US)
23rd April 2026
38AQI (US)
38AQI (US)
24th April 2026
32AQI (US)
32AQI (US)
25th April 2026
45AQI (US)
45AQI (US)
26th April 2026
51AQI (US)
51AQI (US)
27th April 2026
48AQI (US)
48AQI (US)
28th April 2026
42AQI (US)
42AQI (US)
29th April 2026
39AQI (US)
39AQI (US)
30th April 2026
36AQI (US)
36AQI (US)
1st May 2026
47AQI (US)
47AQI (US)
2nd May 2026
49AQI (US)
49AQI (US)
3rd May 2026
47AQI (US)
47AQI (US)
4th May 2026
31AQI (US)
31AQI (US)
5th May 2026
21AQI (US)
21AQI (US)
6th May 2026
29AQI (US)
29AQI (US)
7th May 2026
29AQI (US)
29AQI (US)
8th May 2026
25AQI (US)
25AQI (US)
9th May 2026
26AQI (US)
26AQI (US)
10th May 2026
29AQI (US)
29AQI (US)
11th May 2026
28AQI (US)
28AQI (US)
12th May 2026
33AQI (US)
33AQI (US)
13th May 2026
38AQI (US)
38AQI (US)
14th May 2026
33AQI (US)
33AQI (US)
15th May 2026
34AQI (US)
34AQI (US)
16th May 2026
85AQI (US)
85AQI (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
60AQI (US)
60AQI (US)
23rd May 2026
53AQI (US)
53AQI (US)
24th May 2026
58AQI (US)
58AQI (US)
25th May 2026
46AQI (US)
46AQI (US)
26th May 2026
39AQI (US)
39AQI (US)
27th May 2026
24AQI (US)
24AQI (US)
28th May 2026
25AQI (US)
25AQI (US)
29th May 2026
24AQI (US)
24AQI (US)
30th May 2026
22AQI (US)
22AQI (US)
31st May 2026
26AQI (US)
26AQI (US)
1st June 2026
29AQI (US)
29AQI (US)
2nd June 2026
25AQI (US)
25AQI (US)
3rd June 2026
16AQI (US)
16AQI (US)
4th June 2026
23AQI (US)
23AQI (US)
5th June 2026
22AQI (US)
22AQI (US)
6th June 2026
21AQI (US)
21AQI (US)
7th June 2026
22AQI (US)
22AQI (US)
8th June 2026
20AQI (US)
20AQI (US)
9th June 2026
23AQI (US)
23AQI (US)
10th June 2026
22AQI (US)
22AQI (US)
11th June 2026
24AQI (US)
24AQI (US)
12th June 2026
23AQI (US)
23AQI (US)
13th June 2026
33AQI (US)
33AQI (US)
14th June 2026
43AQI (US)
43AQI (US)
15th June 2026
12AQI (US)
12AQI (US)
16th June 2026
22AQI (US)
22AQI (US)
17th June 2026
24AQI (US)
24AQI (US)
18th June 2026
24AQI (US)
24AQI (US)
19th June 2026
25AQI (US)
25AQI (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
20AQI (US)
20AQI (US)
24th June 2026
22AQI (US)
22AQI (US)
25th June 2026
26AQI (US)
26AQI (US)
26th June 2026
29AQI (US)
29AQI (US)
27th June 2026
24AQI (US)
24AQI (US)
28th June 2026
26AQI (US)
26AQI (US)
29th June 2026
25AQI (US)
25AQI (US)
30th June 2026
23AQI (US)
23AQI (US)
1st July 2026
32AQI (US)
32AQI (US)
2nd July 2026
21AQI (US)
21AQI (US)
3rd July 2026
16AQI (US)
16AQI (US)
4th July 2026
38AQI (US)
38AQI (US)
5th July 2026
20AQI (US)
20AQI (US)
6th July 2026
26AQI (US)
26AQI (US)
7th July 2026
26AQI (US)
26AQI (US)
8th July 2026
22AQI (US)
22AQI (US)
9th July 2026
23AQI (US)
23AQI (US)
10th July 2026
24AQI (US)
24AQI (US)
11th July 2026
23AQI (US)
23AQI (US)
12th July 2026
26AQI (US)
26AQI (US)
13th July 2026
32AQI (US)
32AQI (US)
14th July 2026
35AQI (US)
35AQI (US)
15th July 2026
41AQI (US)
41AQI (US)
16th July 2026
66AQI (US)
66AQI (US)
17th July 2026
49AQI (US)
49AQI (US)
18th July 2026
19AQI (US)
19AQI (US)
19th July 2026
19AQI (US)
19AQI (US)
20th July 2026
27AQI (US)
27AQI (US)
21st July 2026
42AQI (US)
42AQI (US)
22nd July 2026
66AQI (US)
66AQI (US)
23rd July 2026
61AQI (US)
61AQI (US)
24th July 2026
37AQI (US)
37AQI (US)
25th July 2026
30AQI (US)
30AQI (US)
26th July 2026
27AQI (US)
27AQI (US)
27th July 2026
24AQI (US)
24AQI (US)
28th July 2026
25AQI (US)
25AQI (US)
29th July 2026
32AQI (US)
32AQI (US)
30th July 2026
34AQI (US)
34AQI (US)
31st July 2026
45AQI (US)
45AQI (US)
1st August 2026
57AQI (US)
57AQI (US)
2nd August 2026
45AQI (US)
45AQI (US)
3rd August 2026
18AQI (US)
18AQI (US)
4th August 2026
24AQI (US)
24AQI (US)
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
32AQI (US)
39AQI (US)
43AQI (US)
37AQI (US)
40AQI (US)
24AQI (US)
33AQI (US)
36AQI (US)
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202635AQI (US)
30
1
22
6
23
8
29
1
23
8
30
28
3
3
1
188
28
Highest AQI (US) recorded in
March43AQI (US)
Lowest AQI (US) recorded in
June24AQI (US)
202537AQI (US)
31
28
27
4
30
31
30
25
6
21
10
30
16
15
17
13
16
15
302
63
Highest AQI (US) recorded in
December49AQI (US)
Lowest AQI (US) recorded in
May24AQI (US)
202434AQI (US)
29
2
28
1
25
6
25
5
29
2
29
1
28
3
31
28
2
31
29
1
31
343
23
Highest AQI (US) recorded in
April43AQI (US)
Lowest AQI (US) recorded in
September26AQI (US)
202336AQI (US)
28
3
24
4
27
4
22
8
28
3
27
3
26
5
31
30
31
25
4
27
4
326
38
Highest AQI (US) recorded in
April45AQI (US)
Lowest AQI (US) recorded in
August25AQI (US)
202233AQI (US)
31
20
1
28
3
27
3
29
2
28
2
21
1
1
1
29
29
2
26
4
30
1
299
20
Highest AQI (US) recorded in
August56AQI (US)
Lowest AQI (US) recorded in
September25AQI (US)
202129AQI (US)
30
1
28
29
2
30
30
1
27
3
29
2
29
2
30
30
1
30
28
3
350
15
Highest AQI (US) recorded in
May34AQI (US)
Lowest AQI (US) recorded in
April23AQI (US)
202025AQI (US)
13
21
18
29
1
31
31
19
31
28
2
30
1
251
4
Highest AQI (US) recorded in
June30AQI (US)
Lowest AQI (US) recorded in
September18AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Most Polluted Year Recorded
2025(Avg.)
37AQI (US)Least Polluted Year Recorded
2020(Avg.)
25AQI (US)Matsudo's annual 2026 AQI (US) (35) shows an average percentage change of 10.2% (worsened AQI (US)) compared to previous years: 2020 (25), 2021 (29), 2022 (33), 2023 (36), 2024 (34), 2025 (37).
