Katahira, Tama, Tokyo, 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
Katahira, Tama, Tokyo, Japan
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
28th Aug 2021
74AQILowest AQI recorded on
14th Aug 2021
10AQISame Day Analysis (5th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 49 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 5th Aug - 6th Aug 2025
Katahira, Tama, Tokyo, Japan
AQI
Day
Night
.
4 AM5th Aug 2025
6 PM
3 AM6th Aug 2025
Day time
Avg. Highest Time
10AM5th Aug
65AQI
Avg. Lowest Time
6PM5th Aug
48AQI
Night time
Avg. Highest Time
8PM5th Aug
51AQI
Avg. Lowest Time
11PM5th Aug
44AQI
In the last 24 hours,
Katahira's AQI reached its highest point of 65 at 10 AM during the Day, while the lowest point, 44, was recorded at 11 PM during the Night between 5th Aug and 6th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Katahira, Tama, Tokyo, Japan
JulAug
07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th
Day
Night
7th Jul 2025464 AMAQI
7th Jul 2025515 AMAQI
7th Jul 2025506 AMAQI
7th Jul 2025507 AMAQI
7th Jul 2025508 AMAQI
7th Jul 2025899 AMAQI
7th Jul 202510110 AMAQI
7th Jul 202510311 AMAQI
7th Jul 20259712 PMAQI
7th Jul 2025911 PMAQI
7th Jul 2025922 PMAQI
7th Jul 2025703 PMAQI
7th Jul 2025634 PMAQI
7th Jul 2025875 PMAQI
7th Jul 20251146 PMAQI
7th Jul 20251227 PMAQI
7th Jul 20251078 PMAQI
7th Jul 2025819 PMAQI
7th Jul 20258010 PMAQI
7th Jul 20257811 PMAQI
8th Jul 20258012 AMAQI
8th Jul 2025681 AMAQI
8th Jul 2025542 AMAQI
8th Jul 2025543 AMAQI
30°C27/34°C
8th Jul 2025564 AMAQI
8th Jul 2025615 AMAQI
8th Jul 2025626 AMAQI
8th Jul 2025617 AMAQI
8th Jul 2025628 AMAQI
8th Jul 20251089 AMAQI
8th Jul 202511610 AMAQI
8th Jul 202510611 AMAQI
8th Jul 20259712 PMAQI
8th Jul 2025901 PMAQI
8th Jul 2025762 PMAQI
8th Jul 2025763 PMAQI
8th Jul 2025774 PMAQI
8th Jul 2025735 PMAQI
8th Jul 2025786 PMAQI
8th Jul 2025917 PMAQI
8th Jul 2025918 PMAQI
8th Jul 2025809 PMAQI
8th Jul 20257910 PMAQI
8th Jul 20257911 PMAQI
9th Jul 20258012 AMAQI
9th Jul 2025721 AMAQI
9th Jul 2025632 AMAQI
9th Jul 2025633 AMAQI
29°C27/33°C
9th Jul 2025654 AMAQI
9th Jul 2025705 AMAQI
9th Jul 2025716 AMAQI
9th Jul 2025707 AMAQI
9th Jul 2025708 AMAQI
9th Jul 2025989 AMAQI
9th Jul 202511210 AMAQI
9th Jul 202512211 AMAQI
9th Jul 202512812 PMAQI
9th Jul 20251091 PMAQI
9th Jul 2025942 PMAQI
9th Jul 2025763 PMAQI
9th Jul 2025824 PMAQI
9th Jul 2025685 PMAQI
9th Jul 2025826 PMAQI
9th Jul 2025697 PMAQI
9th Jul 2025648 PMAQI
9th Jul 2025659 PMAQI
9th Jul 20256210 PMAQI
9th Jul 20256111 PMAQI
10th Jul 20256112 AMAQI
10th Jul 2025641 AMAQI
10th Jul 2025702 AMAQI
10th Jul 2025703 AMAQI
29°C26/33°C
10th Jul 2025724 AMAQI
10th Jul 2025775 AMAQI
10th Jul 2025776 AMAQI
10th Jul 2025777 AMAQI
10th Jul 2025778 AMAQI
10th Jul 2025449 AMAQI
10th Jul 20254210 AMAQI
10th Jul 20256111 AMAQI
10th Jul 20255612 PMAQI
10th Jul 2025441 PMAQI
10th Jul 2025332 PMAQI
10th Jul 2025313 PMAQI
10th Jul 2025324 PMAQI
10th Jul 2025315 PMAQI
10th Jul 2025316 PMAQI
10th Jul 2025337 PMAQI
10th Jul 2025418 PMAQI
10th Jul 2025599 PMAQI
10th Jul 20255810 PMAQI
10th Jul 20255811 PMAQI
11th Jul 20255812 AMAQI
11th Jul 2025631 AMAQI
11th Jul 2025702 AMAQI
11th Jul 2025703 AMAQI
29°C24/34°C
11th Jul 2025694 AMAQI
11th Jul 2025665 AMAQI
11th Jul 2025666 AMAQI
11th Jul 2025667 AMAQI
11th Jul 2025668 AMAQI
11th Jul 2025319 AMAQI
11th Jul 20251710 AMAQI
11th Jul 20252111 AMAQI
11th Jul 20252812 PMAQI
11th Jul 2025341 PMAQI
11th Jul 2025332 PMAQI
11th Jul 2025353 PMAQI
11th Jul 2025384 PMAQI
11th Jul 2025395 PMAQI
11th Jul 2025336 PMAQI
11th Jul 2025347 PMAQI
11th Jul 2025418 PMAQI
11th Jul 2025569 PMAQI
11th Jul 20255710 PMAQI
11th Jul 20255811 PMAQI
12th Jul 20255812 AMAQI
12th Jul 2025611 AMAQI
12th Jul 2025652 AMAQI
12th Jul 2025663 AMAQI
24°C23/27°C
12th Jul 2025644 AMAQI
12th Jul 2025615 AMAQI
12th Jul 2025616 AMAQI
12th Jul 2025627 AMAQI
12th Jul 2025618 AMAQI
12th Jul 2025409 AMAQI
12th Jul 20253410 AMAQI
12th Jul 20253711 AMAQI
12th Jul 20253912 PMAQI
12th Jul 2025501 PMAQI
12th Jul 2025522 PMAQI
12th Jul 2025523 PMAQI
12th Jul 2025514 PMAQI
12th Jul 2025505 PMAQI
12th Jul 2025536 PMAQI
12th Jul 2025527 PMAQI
12th Jul 2025548 PMAQI
12th Jul 2025579 PMAQI
12th Jul 20255710 PMAQI
12th Jul 20255611 PMAQI
13th Jul 20255612 AMAQI
13th Jul 2025581 AMAQI
13th Jul 2025622 AMAQI
13th Jul 2025623 AMAQI
25°C22/29°C
13th Jul 2025614 AMAQI
13th Jul 2025595 AMAQI
13th Jul 2025596 AMAQI
13th Jul 2025597 AMAQI
13th Jul 2025598 AMAQI
13th Jul 2025489 AMAQI
13th Jul 20253810 AMAQI
13th Jul 20254011 AMAQI
13th Jul 20254312 PMAQI
13th Jul 2025511 PMAQI
13th Jul 2025482 PMAQI
13th Jul 2025443 PMAQI
13th Jul 2025414 PMAQI
13th Jul 2025385 PMAQI
13th Jul 2025376 PMAQI
13th Jul 2025407 PMAQI
13th Jul 2025438 PMAQI
13th Jul 2025539 PMAQI
13th Jul 20255210 PMAQI
13th Jul 20255211 PMAQI
14th Jul 20255212 AMAQI
14th Jul 2025551 AMAQI
14th Jul 2025602 AMAQI
14th Jul 2025603 AMAQI
27°C24/31°C
14th Jul 2025594 AMAQI
14th Jul 2025585 AMAQI
14th Jul 2025586 AMAQI
14th Jul 2025587 AMAQI
14th Jul 2025588 AMAQI
14th Jul 2025309 AMAQI
14th Jul 20252210 AMAQI
14th Jul 20251911 AMAQI
14th Jul 20251812 PMAQI
14th Jul 2025241 PMAQI
14th Jul 2025242 PMAQI
14th Jul 2025223 PMAQI
14th Jul 2025214 PMAQI
14th Jul 2025225 PMAQI
14th Jul 2025246 PMAQI
14th Jul 2025267 PMAQI
14th Jul 2025338 PMAQI
14th Jul 2025529 PMAQI
14th Jul 20255010 PMAQI
14th Jul 20254911 PMAQI
15th Jul 20255112 AMAQI
15th Jul 2025541 AMAQI
15th Jul 2025572 AMAQI
15th Jul 2025573 AMAQI
26°C25/29°C
15th Jul 2025564 AMAQI
15th Jul 2025545 AMAQI
15th Jul 2025546 AMAQI
15th Jul 2025547 AMAQI
15th Jul 2025548 AMAQI
15th Jul 2025339 AMAQI
15th Jul 20251510 AMAQI
15th Jul 20251611 AMAQI
15th Jul 20252212 PMAQI
15th Jul 2025281 PMAQI
15th Jul 2025302 PMAQI
15th Jul 2025353 PMAQI
15th Jul 2025384 PMAQI
15th Jul 2025325 PMAQI
15th Jul 2025286 PMAQI
15th Jul 2025267 PMAQI
15th Jul 2025308 PMAQI
15th Jul 2025449 PMAQI
15th Jul 20254610 PMAQI
15th Jul 20254711 PMAQI
16th Jul 20254812 AMAQI
16th Jul 2025521 AMAQI
16th Jul 2025552 AMAQI
16th Jul 2025553 AMAQI
27°C26/29°C
16th Jul 2025544 AMAQI
16th Jul 2025525 AMAQI
16th Jul 2025526 AMAQI
16th Jul 2025527 AMAQI
16th Jul 2025528 AMAQI
16th Jul 2025529 AMAQI
16th Jul 20254510 AMAQI
16th Jul 20253311 AMAQI
16th Jul 20252312 PMAQI
16th Jul 2025251 PMAQI
16th Jul 2025282 PMAQI
16th Jul 2025253 PMAQI
16th Jul 2025284 PMAQI
16th Jul 2025325 PMAQI
16th Jul 2025266 PMAQI
16th Jul 2025207 PMAQI
16th Jul 2025308 PMAQI
16th Jul 2025449 PMAQI
16th Jul 20254310 PMAQI
16th Jul 20254311 PMAQI
17th Jul 20254412 AMAQI
17th Jul 2025481 AMAQI
17th Jul 2025532 AMAQI
17th Jul 2025533 AMAQI
27°C25/30°C
17th Jul 2025524 AMAQI
17th Jul 2025515 AMAQI
17th Jul 2025516 AMAQI
17th Jul 2025527 AMAQI
17th Jul 2025518 AMAQI
17th Jul 2025289 AMAQI
17th Jul 20252610 AMAQI
17th Jul 20252911 AMAQI
17th Jul 20252812 PMAQI
17th Jul 2025311 PMAQI
17th Jul 2025362 PMAQI
17th Jul 2025343 PMAQI
17th Jul 2025364 PMAQI
17th Jul 2025415 PMAQI
17th Jul 2025386 PMAQI
17th Jul 2025427 PMAQI
17th Jul 2025508 PMAQI
17th Jul 2025509 PMAQI
17th Jul 20254710 PMAQI
17th Jul 20254611 PMAQI
18th Jul 20254612 AMAQI
18th Jul 2025481 AMAQI
18th Jul 2025522 AMAQI
18th Jul 2025513 AMAQI
28°C25/31°C
18th Jul 2025504 AMAQI
18th Jul 2025485 AMAQI
18th Jul 2025486 AMAQI
18th Jul 2025477 AMAQI
18th Jul 2025478 AMAQI
18th Jul 2025319 AMAQI
18th Jul 20251910 AMAQI
18th Jul 20252311 AMAQI
18th Jul 20252012 PMAQI
18th Jul 2025231 PMAQI
18th Jul 2025252 PMAQI
18th Jul 2025263 PMAQI
18th Jul 2025264 PMAQI
18th Jul 2025285 PMAQI
18th Jul 2025276 PMAQI
18th Jul 2025267 PMAQI
18th Jul 2025328 PMAQI
18th Jul 2025399 PMAQI
18th Jul 20254010 PMAQI
18th Jul 20254211 PMAQI
19th Jul 20253912 AMAQI
19th Jul 2025441 AMAQI
19th Jul 2025492 AMAQI
19th Jul 2025503 AMAQI
27°C24/31°C
19th Jul 2025464 AMAQI
19th Jul 2025445 AMAQI
19th Jul 2025446 AMAQI
19th Jul 2025447 AMAQI
19th Jul 2025448 AMAQI
19th Jul 2025269 AMAQI
19th Jul 20252010 AMAQI
19th Jul 20252111 AMAQI
19th Jul 20251712 PMAQI
19th Jul 2025201 PMAQI
19th Jul 2025222 PMAQI
19th Jul 2025203 PMAQI
19th Jul 2025204 PMAQI
19th Jul 2025175 PMAQI
19th Jul 2025176 PMAQI
19th Jul 2025187 PMAQI
19th Jul 2025248 PMAQI
19th Jul 2025339 PMAQI
19th Jul 20252910 PMAQI
19th Jul 20253111 PMAQI
20th Jul 20253212 AMAQI
20th Jul 2025401 AMAQI
20th Jul 2025462 AMAQI
20th Jul 2025463 AMAQI
28°C25/31°C
20th Jul 2025444 AMAQI
20th Jul 2025415 AMAQI
20th Jul 2025426 AMAQI
20th Jul 2025417 AMAQI
20th Jul 2025418 AMAQI
20th Jul 2025319 AMAQI
20th Jul 20251910 AMAQI
20th Jul 20252011 AMAQI
20th Jul 20252212 PMAQI
20th Jul 2025231 PMAQI
20th Jul 2025222 PMAQI
20th Jul 2025163 PMAQI
20th Jul 2025164 PMAQI
20th Jul 2025155 PMAQI
20th Jul 2025176 PMAQI
20th Jul 2025237 PMAQI
20th Jul 2025328 PMAQI
20th Jul 2025359 PMAQI
20th Jul 20253710 PMAQI
20th Jul 20253511 PMAQI
21st Jul 20253512 AMAQI
21st Jul 2025381 AMAQI
21st Jul 2025422 AMAQI
21st Jul 2025423 AMAQI
29°C25/32°C
21st Jul 2025404 AMAQI
21st Jul 2025385 AMAQI
21st Jul 2025386 AMAQI
21st Jul 2025377 AMAQI
21st Jul 2025378 AMAQI
21st Jul 2025319 AMAQI
21st Jul 20253010 AMAQI
21st Jul 20252911 AMAQI
21st Jul 20253012 PMAQI
21st Jul 2025341 PMAQI
21st Jul 2025402 PMAQI
21st Jul 2025383 PMAQI
21st Jul 2025344 PMAQI
21st Jul 2025345 PMAQI
21st Jul 2025336 PMAQI
21st Jul 2025337 PMAQI
21st Jul 2025328 PMAQI
21st Jul 2025329 PMAQI
21st Jul 20252810 PMAQI
21st Jul 20252711 PMAQI
22nd Jul 20252812 AMAQI
22nd Jul 2025361 AMAQI
22nd Jul 2025392 AMAQI
22nd Jul 2025383 AMAQI
30°C27/34°C
22nd Jul 2025384 AMAQI
22nd Jul 2025375 AMAQI
22nd Jul 2025386 AMAQI
22nd Jul 2025387 AMAQI
22nd Jul 2025388 AMAQI
22nd Jul 2025309 AMAQI
22nd Jul 20253710 AMAQI
22nd Jul 20254611 AMAQI
22nd Jul 20254812 PMAQI
22nd Jul 2025531 PMAQI
22nd Jul 2025542 PMAQI
22nd Jul 2025483 PMAQI
22nd Jul 2025424 PMAQI
22nd Jul 2025375 PMAQI
22nd Jul 2025186 PMAQI
22nd Jul 2025207 PMAQI
22nd Jul 2025208 PMAQI
22nd Jul 2025259 PMAQI
22nd Jul 20252710 PMAQI
22nd Jul 20252811 PMAQI
23rd Jul 20252812 AMAQI
23rd Jul 2025331 AMAQI
23rd Jul 2025372 AMAQI
23rd Jul 2025373 AMAQI
30°C27/35°C
23rd Jul 2025384 AMAQI
23rd Jul 2025395 AMAQI
23rd Jul 2025396 AMAQI
23rd Jul 2025397 AMAQI
23rd Jul 2025398 AMAQI
23rd Jul 2025269 AMAQI
23rd Jul 20253310 AMAQI
23rd Jul 20254011 AMAQI
23rd Jul 20256012 PMAQI
23rd Jul 2025621 PMAQI
23rd Jul 2025582 PMAQI
23rd Jul 2025533 PMAQI
23rd Jul 2025524 PMAQI
23rd Jul 2025525 PMAQI
23rd Jul 2025506 PMAQI
23rd Jul 2025407 PMAQI
23rd Jul 2025328 PMAQI
23rd Jul 2025339 PMAQI
23rd Jul 20253210 PMAQI
23rd Jul 20253111 PMAQI
24th Jul 20253112 AMAQI
24th Jul 2025351 AMAQI
24th Jul 2025362 AMAQI
24th Jul 2025373 AMAQI
30°C27/34°C
24th Jul 2025384 AMAQI
24th Jul 2025415 AMAQI
24th Jul 2025406 AMAQI
24th Jul 2025407 AMAQI
24th Jul 2025418 AMAQI
24th Jul 2025509 AMAQI
24th Jul 20255810 AMAQI
24th Jul 20256211 AMAQI
24th Jul 20256212 PMAQI
24th Jul 2025611 PMAQI
24th Jul 2025592 PMAQI
24th Jul 2025543 PMAQI
24th Jul 2025484 PMAQI
24th Jul 2025425 PMAQI
24th Jul 2025396 PMAQI
24th Jul 2025337 PMAQI
24th Jul 2025328 PMAQI
24th Jul 2025359 PMAQI
24th Jul 20253510 PMAQI
24th Jul 20253511 PMAQI
25th Jul 20253412 AMAQI
25th Jul 2025341 AMAQI
25th Jul 2025372 AMAQI
25th Jul 2025373 AMAQI
30°C27/35°C
25th Jul 2025404 AMAQI
25th Jul 2025445 AMAQI
25th Jul 2025446 AMAQI
25th Jul 2025437 AMAQI
25th Jul 2025448 AMAQI
25th Jul 2025509 AMAQI
25th Jul 20254710 AMAQI
25th Jul 20253911 AMAQI
25th Jul 20255312 PMAQI
25th Jul 2025441 PMAQI
25th Jul 2025382 PMAQI
25th Jul 2025323 PMAQI
25th Jul 2025284 PMAQI
25th Jul 2025255 PMAQI
25th Jul 2025306 PMAQI
25th Jul 2025287 PMAQI
25th Jul 2025298 PMAQI
25th Jul 2025339 PMAQI
25th Jul 20253210 PMAQI
25th Jul 20253211 PMAQI
26th Jul 20253112 AMAQI
26th Jul 2025341 AMAQI
26th Jul 2025392 AMAQI
26th Jul 2025403 AMAQI
31°C27/34°C
26th Jul 2025404 AMAQI
26th Jul 2025425 AMAQI
26th Jul 2025416 AMAQI
26th Jul 2025427 AMAQI
26th Jul 2025428 AMAQI
26th Jul 2025489 AMAQI
26th Jul 20255310 AMAQI
26th Jul 20254611 AMAQI
26th Jul 20254212 PMAQI
26th Jul 2025401 PMAQI
26th Jul 2025362 PMAQI
26th Jul 2025323 PMAQI
26th Jul 2025234 PMAQI
26th Jul 2025225 PMAQI
26th Jul 2025256 PMAQI
26th Jul 2025277 PMAQI
26th Jul 2025308 PMAQI
26th Jul 2025349 PMAQI
26th Jul 20253410 PMAQI
26th Jul 20253411 PMAQI
27th Jul 20253212 AMAQI
27th Jul 2025331 AMAQI
27th Jul 2025382 AMAQI
27th Jul 2025383 AMAQI
30°C27/35°C
27th Jul 2025384 AMAQI
27th Jul 2025395 AMAQI
27th Jul 2025396 AMAQI
27th Jul 2025397 AMAQI
27th Jul 2025398 AMAQI
27th Jul 2025349 AMAQI
27th Jul 20252810 AMAQI
27th Jul 20252811 AMAQI
27th Jul 20253212 PMAQI
27th Jul 2025321 PMAQI
27th Jul 2025312 PMAQI
27th Jul 2025273 PMAQI
27th Jul 2025234 PMAQI
27th Jul 2025205 PMAQI
27th Jul 2025236 PMAQI
27th Jul 2025247 PMAQI
27th Jul 2025268 PMAQI
27th Jul 2025299 PMAQI
27th Jul 20252810 PMAQI
27th Jul 20253011 PMAQI
28th Jul 20253012 AMAQI
28th Jul 2025331 AMAQI
28th Jul 2025372 AMAQI
28th Jul 2025383 AMAQI
30°C27/34°C
28th Jul 2025384 AMAQI
28th Jul 2025375 AMAQI
28th Jul 2025366 AMAQI
28th Jul 2025367 AMAQI
28th Jul 2025368 AMAQI
28th Jul 2025339 AMAQI
28th Jul 20253610 AMAQI
28th Jul 20254511 AMAQI
28th Jul 20254212 PMAQI
28th Jul 2025521 PMAQI
28th Jul 2025522 PMAQI
28th Jul 2025443 PMAQI
28th Jul 2025364 PMAQI
28th Jul 2025315 PMAQI
28th Jul 2025246 PMAQI
28th Jul 2025227 PMAQI
28th Jul 2025258 PMAQI
28th Jul 2025289 PMAQI
28th Jul 20252610 PMAQI
28th Jul 20252611 PMAQI
29th Jul 20252912 AMAQI
29th Jul 2025321 AMAQI
29th Jul 2025362 AMAQI
29th Jul 2025353 AMAQI
30°C27/35°C
29th Jul 2025384 AMAQI
29th Jul 2025395 AMAQI
29th Jul 2025396 AMAQI
29th Jul 2025407 AMAQI
29th Jul 2025388 AMAQI
29th Jul 2025439 AMAQI
29th Jul 20255510 AMAQI
29th Jul 20255311 AMAQI
29th Jul 20255212 PMAQI
29th Jul 2025521 PMAQI
29th Jul 2025522 PMAQI
29th Jul 2025513 PMAQI
29th Jul 2025584 PMAQI
29th Jul 2025545 PMAQI
29th Jul 2025456 PMAQI
29th Jul 2025367 PMAQI
29th Jul 2025308 PMAQI
29th Jul 2025319 PMAQI
29th Jul 20252910 PMAQI
29th Jul 20252711 PMAQI
30th Jul 20252712 AMAQI
30th Jul 2025301 AMAQI
30th Jul 2025352 AMAQI
30th Jul 2025363 AMAQI
30°C26/36°C
30th Jul 2025374 AMAQI
30th Jul 2025405 AMAQI
30th Jul 2025406 AMAQI
30th Jul 2025407 AMAQI
30th Jul 2025408 AMAQI
30th Jul 2025229 AMAQI
30th Jul 20251410 AMAQI
30th Jul 20251811 AMAQI
30th Jul 20252212 PMAQI
30th Jul 2025251 PMAQI
30th Jul 2025292 PMAQI
30th Jul 2025333 PMAQI
30th Jul 2025344 PMAQI
30th Jul 2025285 PMAQI
30th Jul 2025286 PMAQI
30th Jul 2025317 PMAQI
30th Jul 2025348 PMAQI
30th Jul 2025379 PMAQI
30th Jul 20253710 PMAQI
30th Jul 20253711 PMAQI
31st Jul 20253612 AMAQI
31st Jul 2025361 AMAQI
31st Jul 2025352 AMAQI
31st Jul 2025363 AMAQI
30°C27/36°C
31st Jul 2025344 AMAQI
31st Jul 2025345 AMAQI
31st Jul 2025346 AMAQI
31st Jul 2025347 AMAQI
31st Jul 2025348 AMAQI
31st Jul 2025349 AMAQI
31st Jul 20253410 AMAQI
31st Jul 20254211 AMAQI
31st Jul 20254312 PMAQI
31st Jul 2025401 PMAQI
31st Jul 2025402 PMAQI
31st Jul 2025403 PMAQI
31st Jul 2025314 PMAQI
31st Jul 2025285 PMAQI
31st Jul 2025326 PMAQI
31st Jul 2025297 PMAQI
31st Jul 2025288 PMAQI
31st Jul 2025289 PMAQI
31st Jul 20253010 PMAQI
31st Jul 20252711 PMAQI
1st Aug 20252812 AMAQI
1st Aug 2025331 AMAQI
1st Aug 2025342 AMAQI
1st Aug 2025353 AMAQI
29°C26/34°C
1st Aug 2025344 AMAQI
1st Aug 2025345 AMAQI
1st Aug 2025366 AMAQI
1st Aug 2025347 AMAQI
1st Aug 2025378 AMAQI
1st Aug 2025399 AMAQI
1st Aug 20252910 AMAQI
1st Aug 20254111 AMAQI
1st Aug 20254312 PMAQI
1st Aug 2025401 PMAQI
1st Aug 2025372 PMAQI
1st Aug 2025353 PMAQI
1st Aug 2025404 PMAQI
1st Aug 2025345 PMAQI
1st Aug 2025376 PMAQI
1st Aug 2025247 PMAQI
1st Aug 2025298 PMAQI
1st Aug 2025309 PMAQI
1st Aug 20253010 PMAQI
1st Aug 20252811 PMAQI
2nd Aug 20252912 AMAQI
2nd Aug 2025301 AMAQI
2nd Aug 2025362 AMAQI
2nd Aug 2025363 AMAQI
28°C26/32°C
2nd Aug 2025374 AMAQI
2nd Aug 2025375 AMAQI
2nd Aug 2025386 AMAQI
2nd Aug 2025377 AMAQI
2nd Aug 2025388 AMAQI
2nd Aug 2025369 AMAQI
2nd Aug 20253410 AMAQI
2nd Aug 20253911 AMAQI
2nd Aug 20253812 PMAQI
2nd Aug 2025471 PMAQI
2nd Aug 2025552 PMAQI
2nd Aug 2025553 PMAQI
2nd Aug 2025554 PMAQI
2nd Aug 2025535 PMAQI
2nd Aug 2025516 PMAQI
2nd Aug 2025517 PMAQI
2nd Aug 2025408 PMAQI
2nd Aug 2025399 PMAQI
2nd Aug 20253610 PMAQI
2nd Aug 20254011 PMAQI
3rd Aug 20253312 AMAQI
3rd Aug 2025361 AMAQI
3rd Aug 2025372 AMAQI
3rd Aug 2025363 AMAQI
31°C27/35°C
3rd Aug 2025404 AMAQI
3rd Aug 2025395 AMAQI
3rd Aug 2025386 AMAQI
3rd Aug 2025407 AMAQI
3rd Aug 2025398 AMAQI
3rd Aug 2025489 AMAQI
3rd Aug 20255410 AMAQI
3rd Aug 20255611 AMAQI
3rd Aug 20256012 PMAQI
3rd Aug 2025561 PMAQI
3rd Aug 2025562 PMAQI
3rd Aug 2025543 PMAQI
3rd Aug 2025504 PMAQI
3rd Aug 2025515 PMAQI
3rd Aug 2025566 PMAQI
3rd Aug 2025497 PMAQI
3rd Aug 2025508 PMAQI
3rd Aug 2025429 PMAQI
3rd Aug 20254810 PMAQI
3rd Aug 20254011 PMAQI
4th Aug 20254112 AMAQI
4th Aug 2025381 AMAQI
4th Aug 2025382 AMAQI
4th Aug 2025403 AMAQI
31°C27/37°C
4th Aug 2025434 AMAQI
4th Aug 2025435 AMAQI
4th Aug 2025446 AMAQI
4th Aug 2025437 AMAQI
4th Aug 2025438 AMAQI
4th Aug 2025629 AMAQI
4th Aug 20257010 AMAQI
4th Aug 20258211 AMAQI
4th Aug 20258312 PMAQI
4th Aug 2025961 PMAQI
4th Aug 20251002 PMAQI
4th Aug 2025903 PMAQI
4th Aug 2025924 PMAQI
4th Aug 20251005 PMAQI
4th Aug 2025936 PMAQI
4th Aug 2025737 PMAQI
4th Aug 2025708 PMAQI
4th Aug 2025599 PMAQI
4th Aug 20255410 PMAQI
4th Aug 20254611 PMAQI
5th Aug 20255212 AMAQI
5th Aug 2025431 AMAQI
5th Aug 2025422 AMAQI
5th Aug 2025413 AMAQI
31°C28/36°C
5th Aug 2025514 AMAQI
5th Aug 2025545 AMAQI
5th Aug 2025536 AMAQI
5th Aug 2025527 AMAQI
5th Aug 2025548 AMAQI
5th Aug 2025599 AMAQI
5th Aug 20256510 AMAQI
5th Aug 20256311 AMAQI
5th Aug 20255212 PMAQI
5th Aug 2025581 PMAQI
5th Aug 2025592 PMAQI
5th Aug 2025573 PMAQI
5th Aug 2025614 PMAQI
5th Aug 2025525 PMAQI
5th Aug 2025486 PMAQI
5th Aug 2025507 PMAQI
5th Aug 2025518 PMAQI
5th Aug 2025499 PMAQI
5th Aug 20254810 PMAQI
5th Aug 20254411 PMAQI
6th Aug 20254612 AMAQI
6th Aug 2025481 AMAQI
6th Aug 2025502 AMAQI
6th Aug 2025503 AMAQI
33°C28/38°C
6th Aug 2025524 AMAQI
4 AM6th Aug 2025525 AMAQI
6th Aug 2025536 AMAQI
6th Aug 2025527 AMAQI
6th Aug 2025528 AMAQI
6th Aug 2025449 AMAQI
6th Aug 20254310 AMAQI
6th Aug 20254211 AMAQI
11 AM6th Aug 20255012 PMAQI
6th Aug 2025501 PMAQI
6th Aug 2025532 PMAQI
6th Aug 2025493 PMAQI
6th Aug 2025494 PMAQI
6th Aug 2025585 PMAQI
6th Aug 2025566 PMAQI
6 PM6th Aug 2025587 PMAQI
6th Aug 2025568 PMAQI
6th Aug 2025509 PMAQI
6th Aug 20255210 PMAQI
11 PM
3 AM
--°C/°C
Day time
Avg. Highest Time
4 AM - 8 AM
48AQI
5 hours / Day
150 hours / Month
Avg. Lowest Time
3 PM - 6 PM
43AQI
4 hours / Day
120 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 4 AM to 8 AM (Avg. 48), while the lowest AQI was between 3 PM to 6 PM (Avg. 43).
Night time
Avg. Highest Time
12 AM - 3 AM
46AQI
4 hours / Day
120 hours / Month
Avg. Lowest Time
7 PM - 8 PM
41AQI
2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 3 AM (Avg. 46), while the lowest AQI was between 7 PM to 8 PM (Avg. 41).
2025 Days Vs Air Quality
Katahira, Tama, Tokyo, Japan
2025
95%
206
5%
11
Total number of days with different AQI categories in last 218 days in 2025 (147 days remaining)
Good
206 DaysModerate
11 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 95%
Health Risk Level:
Very Low
In 2025, 95% of 218 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
Katahira, Tama, Tokyo, Japan
AQI levels in 2025
AQI
PM2.5
PM10
CO
SO2
NO2
O3
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
1st January 2025
28AQI
28AQI
2nd January 2025
31AQI
31AQI
3rd January 2025
24AQI
24AQI
4th January 2025
28AQI
28AQI
5th January 2025
24AQI
24AQI
6th January 2025
48AQI
48AQI
7th January 2025
30AQI
30AQI
8th January 2025
36AQI
36AQI
9th January 2025
30AQI
30AQI
10th January 2025
27AQI
27AQI
11th January 2025
26AQI
26AQI
12th January 2025
27AQI
27AQI
13th January 2025
30AQI
30AQI
14th January 2025
26AQI
26AQI
15th January 2025
33AQI
33AQI
16th January 2025
24AQI
24AQI
17th January 2025
28AQI
28AQI
18th January 2025
27AQI
27AQI
19th January 2025
30AQI
30AQI
20th January 2025
30AQI
30AQI
21st January 2025
31AQI
31AQI
22nd January 2025
37AQI
37AQI
23rd January 2025
37AQI
37AQI
24th January 2025
38AQI
38AQI
25th January 2025
36AQI
36AQI
26th January 2025
33AQI
33AQI
27th January 2025
29AQI
29AQI
28th January 2025
31AQI
31AQI
29th January 2025
30AQI
30AQI
30th January 2025
30AQI
30AQI
31st January 2025
28AQI
28AQI
1st February 2025
25AQI
25AQI
2nd February 2025
25AQI
25AQI
3rd February 2025
31AQI
31AQI
4th February 2025
32AQI
32AQI
5th February 2025
30AQI
30AQI
6th February 2025
29AQI
29AQI
7th February 2025
27AQI
27AQI
8th February 2025
29AQI
29AQI
9th February 2025
28AQI
28AQI
10th February 2025
27AQI
27AQI
11th February 2025
30AQI
30AQI
12th February 2025
28AQI
28AQI
13th February 2025
32AQI
32AQI
14th February 2025
29AQI
29AQI
15th February 2025
30AQI
30AQI
16th February 2025
32AQI
32AQI
17th February 2025
34AQI
34AQI
18th February 2025
30AQI
30AQI
19th February 2025
30AQI
30AQI
20th February 2025
29AQI
29AQI
21st February 2025
30AQI
30AQI
22nd February 2025
30AQI
30AQI
23rd February 2025
32AQI
32AQI
24th February 2025
32AQI
32AQI
25th February 2025
34AQI
34AQI
26th February 2025
34AQI
34AQI
27th February 2025
37AQI
37AQI
28th February 2025
41AQI
41AQI
1st March 2025
54AQI
54AQI
2nd March 2025
44AQI
44AQI
3rd March 2025
40AQI
40AQI
4th March 2025
30AQI
30AQI
5th March 2025
27AQI
27AQI
6th March 2025
30AQI
30AQI
7th March 2025
32AQI
32AQI
8th March 2025
31AQI
31AQI
9th March 2025
35AQI
35AQI
10th March 2025
33AQI
33AQI
11th March 2025
33AQI
33AQI
12th March 2025
34AQI
34AQI
13th March 2025
38AQI
38AQI
14th March 2025
27AQI
27AQI
15th March 2025
25AQI
25AQI
16th March 2025
18AQI
18AQI
17th March 2025
18AQI
18AQI
18th March 2025
17AQI
17AQI
19th March 2025
15AQI
15AQI
20th March 2025
18AQI
18AQI
21st March 2025
24AQI
24AQI
22nd March 2025
26AQI
26AQI
23rd March 2025
27AQI
27AQI
24th March 2025
28AQI
28AQI
25th March 2025
45AQI
45AQI
26th March 2025
58AQI
58AQI
27th March 2025
55AQI
55AQI
28th March 2025
37AQI
37AQI
29th March 2025
30AQI
30AQI
30th March 2025
30AQI
30AQI
31st March 2025
32AQI
32AQI
1st April 2025
22AQI
22AQI
2nd April 2025
21AQI
21AQI
3rd April 2025
18AQI
18AQI
4th April 2025
19AQI
19AQI
5th April 2025
18AQI
18AQI
6th April 2025
16AQI
16AQI
7th April 2025
17AQI
17AQI
8th April 2025
20AQI
20AQI
9th April 2025
20AQI
20AQI
10th April 2025
22AQI
22AQI
11th April 2025
24AQI
24AQI
12th April 2025
22AQI
22AQI
13th April 2025
20AQI
20AQI
14th April 2025
23AQI
23AQI
15th April 2025
21AQI
21AQI
16th April 2025
21AQI
21AQI
17th April 2025
26AQI
26AQI
18th April 2025
31AQI
31AQI
19th April 2025
35AQI
35AQI
20th April 2025
28AQI
28AQI
21st April 2025
26AQI
26AQI
22nd April 2025
24AQI
24AQI
23rd April 2025
17AQI
17AQI
24th April 2025
18AQI
18AQI
25th April 2025
19AQI
19AQI
26th April 2025
21AQI
21AQI
27th April 2025
22AQI
22AQI
28th April 2025
21AQI
21AQI
29th April 2025
16AQI
16AQI
30th April 2025
21AQI
21AQI
1st May 2025
19AQI
19AQI
2nd May 2025
17AQI
17AQI
3rd May 2025
18AQI
18AQI
4th May 2025
25AQI
25AQI
5th May 2025
20AQI
20AQI
6th May 2025
19AQI
19AQI
7th May 2025
17AQI
17AQI
8th May 2025
19AQI
19AQI
9th May 2025
18AQI
18AQI
10th May 2025
14AQI
14AQI
11th May 2025
17AQI
17AQI
12th May 2025
17AQI
17AQI
13th May 2025
21AQI
21AQI
14th May 2025
20AQI
20AQI
15th May 2025
21AQI
21AQI
16th May 2025
22AQI
22AQI
17th May 2025
17AQI
17AQI
18th May 2025
24AQI
24AQI
19th May 2025
38AQI
38AQI
20th May 2025
54AQI
54AQI
21st May 2025
49AQI
49AQI
22nd May 2025
32AQI
32AQI
23rd May 2025
31AQI
31AQI
24th May 2025
27AQI
27AQI
25th May 2025
20AQI
20AQI
26th May 2025
21AQI
21AQI
27th May 2025
21AQI
21AQI
28th May 2025
16AQI
16AQI
29th May 2025
19AQI
19AQI
30th May 2025
15AQI
15AQI
31st May 2025
14AQI
14AQI
1st June 2025
15AQI
15AQI
2nd June 2025
18AQI
18AQI
3rd June 2025
20AQI
20AQI
4th June 2025
18AQI
18AQI
5th June 2025
23AQI
23AQI
6th June 2025
24AQI
24AQI
7th June 2025
35AQI
35AQI
8th June 2025
32AQI
32AQI
9th June 2025
27AQI
27AQI
10th June 2025
25AQI
25AQI
11th June 2025
22AQI
22AQI
12th June 2025
24AQI
24AQI
13th June 2025
25AQI
25AQI
14th June 2025
20AQI
20AQI
15th June 2025
21AQI
21AQI
16th June 2025
22AQI
22AQI
17th June 2025
30AQI
30AQI
18th June 2025
25AQI
25AQI
19th June 2025
28AQI
28AQI
20th June 2025
23AQI
23AQI
21st June 2025
19AQI
19AQI
22nd June 2025
12AQI
12AQI
23rd June 2025
13AQI
13AQI
24th June 2025
14AQI
14AQI
25th June 2025
16AQI
16AQI
26th June 2025
15AQI
15AQI
27th June 2025
21AQI
21AQI
28th June 2025
19AQI
19AQI
29th June 2025
21AQI
21AQI
30th June 2025
37AQI
37AQI
1st July 2025
40AQI
40AQI
2nd July 2025
46AQI
46AQI
3rd July 2025
42AQI
42AQI
4th July 2025
44AQI
44AQI
5th July 2025
50AQI
50AQI
6th July 2025
60AQI
60AQI
7th July 2025
77AQI
77AQI
8th July 2025
77AQI
77AQI
9th July 2025
78AQI
78AQI
10th July 2025
54AQI
54AQI
11th July 2025
49AQI
49AQI
12th July 2025
55AQI
55AQI
13th July 2025
50AQI
50AQI
14th July 2025
41AQI
41AQI
15th July 2025
41AQI
41AQI
16th July 2025
41AQI
41AQI
17th July 2025
43AQI
43AQI
18th July 2025
37AQI
37AQI
19th July 2025
31AQI
31AQI
20th July 2025
31AQI
31AQI
21st July 2025
35AQI
35AQI
22nd July 2025
35AQI
35AQI
23rd July 2025
40AQI
40AQI
24th July 2025
42AQI
42AQI
25th July 2025
37AQI
37AQI
26th July 2025
36AQI
36AQI
27th July 2025
31AQI
31AQI
28th July 2025
34AQI
34AQI
29th July 2025
40AQI
40AQI
30th July 2025
32AQI
32AQI
31st July 2025
34AQI
34AQI
1st August 2025
34AQI
34AQI
2nd August 2025
41AQI
41AQI
3rd August 2025
46AQI
46AQI
4th August 2025
61AQI
61AQI
5th August 2025
49AQI
49AQI
31AQI
31AQI
32AQI
22AQI
23AQI
22AQI
45AQI
46AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202530AQI
31
28
28
3
30
30
1
30
25
6
4
1
206
11
Highest AQI recorded in
August46AQI
Lowest AQI recorded in
April22AQI
202435AQI
28
1
28
1
25
6
19
11
28
3
27
3
25
6
27
4
30
31
30
31
329
35
Highest AQI recorded in
April49AQI
Lowest AQI recorded in
September25AQI
202337AQI
27
4
20
8
29
2
22
8
28
3
25
5
26
5
29
2
29
1
31
23
6
28
3
317
47
Highest AQI recorded in
April45AQI
Lowest AQI recorded in
August25AQI
202234AQI
27
4
20
1
23
8
16
1
30
1
29
1
20
1
1
28
29
2
26
4
30
1
279
24
Highest AQI recorded in
March45AQI
Lowest AQI recorded in
August23AQI
202127AQI
30
1
27
1
31
30
27
4
28
2
30
1
26
5
28
2
31
28
2
24
7
340
25
Highest AQI recorded in
December40AQI
Lowest AQI recorded in
January13AQI
202023AQI
7
6
16
5
7
3
9
9
19
31
29
1
31
149
24
Highest AQI recorded in
March50AQI
Lowest AQI recorded in
September10AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2023(Avg.)
37AQILeast Polluted Year Recorded
2020(Avg.)
23AQIKatahira's annual 2025 AQI (30) shows an average percentage change of -2.3% (improved AQI) compared to previous years: 2020 (23), 2021 (27), 2022 (34), 2023 (37), 2024 (35).
