Honcho, 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+
December Air Quality Analysis
Honcho, Chiba, Japan
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
12th Dec 2021
72AQILowest AQI recorded on
1st Dec 2022
19AQISame Day Analysis (8th December ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 67 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 8th Dec - 9th Dec 2025
Honcho, Chiba, Japan
AQI
Day
Night
.
6 AM8th Dec 2025
4 PM
5 AM9th Dec 2025
Day time
Avg. Highest Time
1PM8th Dec
60AQI
Avg. Lowest Time
3PM8th Dec
46AQI
Night time
Avg. Highest Time
9PM8th Dec
65AQI
Avg. Lowest Time
2AM9th Dec
19AQI
In the last 24 hours,
Honcho's AQI reached its highest point of 65 at 9 PM during the Night, while the lowest point, 19, was recorded at 2 AM during the Night between 8th Dec and 9th Dec 2025.
Day & Night AQI Trend : Nov - Dec 2025
Honcho, Chiba, Japan
NovDec
09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th
Day
Night
9th Nov 2025356 AMAQI
9th Nov 2025367 AMAQI
9th Nov 2025358 AMAQI
9th Nov 2025369 AMAQI
9th Nov 20253910 AMAQI
9th Nov 20254111 AMAQI
9th Nov 20254112 PMAQI
9th Nov 2025441 PMAQI
9th Nov 2025512 PMAQI
9th Nov 2025523 PMAQI
9th Nov 2025484 PMAQI
9th Nov 2025515 PMAQI
9th Nov 2025526 PMAQI
9th Nov 2025617 PMAQI
9th Nov 2025618 PMAQI
9th Nov 2025619 PMAQI
9th Nov 20256010 PMAQI
9th Nov 20256011 PMAQI
10th Nov 20255412 AMAQI
10th Nov 2025521 AMAQI
10th Nov 2025532 AMAQI
10th Nov 2025533 AMAQI
10th Nov 2025644 AMAQI
10th Nov 2025635 AMAQI
15°C13/17°C
10th Nov 2025626 AMAQI
10th Nov 2025597 AMAQI
10th Nov 2025588 AMAQI
10th Nov 2025559 AMAQI
10th Nov 20254810 AMAQI
10th Nov 20254411 AMAQI
10th Nov 20254012 PMAQI
10th Nov 2025391 PMAQI
10th Nov 2025412 PMAQI
10th Nov 2025383 PMAQI
10th Nov 2025314 PMAQI
10th Nov 2025295 PMAQI
10th Nov 2025286 PMAQI
10th Nov 2025187 PMAQI
10th Nov 2025188 PMAQI
10th Nov 2025199 PMAQI
10th Nov 20251910 PMAQI
10th Nov 20251711 PMAQI
11th Nov 20251812 AMAQI
11th Nov 2025221 AMAQI
11th Nov 2025212 AMAQI
11th Nov 2025183 AMAQI
11th Nov 2025184 AMAQI
11th Nov 2025175 AMAQI
16°C14/21°C
11th Nov 2025176 AMAQI
11th Nov 2025197 AMAQI
11th Nov 2025198 AMAQI
11th Nov 2025239 AMAQI
11th Nov 20252610 AMAQI
11th Nov 20252711 AMAQI
11th Nov 20252412 PMAQI
11th Nov 2025251 PMAQI
11th Nov 2025272 PMAQI
11th Nov 2025273 PMAQI
11th Nov 2025304 PMAQI
11th Nov 2025285 PMAQI
11th Nov 2025266 PMAQI
11th Nov 2025277 PMAQI
11th Nov 2025258 PMAQI
11th Nov 2025229 PMAQI
11th Nov 20252410 PMAQI
11th Nov 20252311 PMAQI
12th Nov 20252012 AMAQI
12th Nov 2025221 AMAQI
12th Nov 2025242 AMAQI
12th Nov 2025263 AMAQI
12th Nov 2025274 AMAQI
12th Nov 2025275 AMAQI
13°C12/14°C
12th Nov 2025256 AMAQI
12th Nov 2025247 AMAQI
12th Nov 2025248 AMAQI
12th Nov 2025269 AMAQI
12th Nov 20252710 AMAQI
12th Nov 20253011 AMAQI
12th Nov 20253912 PMAQI
12th Nov 2025401 PMAQI
12th Nov 2025372 PMAQI
12th Nov 2025373 PMAQI
12th Nov 2025424 PMAQI
12th Nov 2025455 PMAQI
12th Nov 2025436 PMAQI
12th Nov 2025487 PMAQI
12th Nov 2025518 PMAQI
12th Nov 2025549 PMAQI
12th Nov 20255510 PMAQI
12th Nov 20255611 PMAQI
13th Nov 20255712 AMAQI
13th Nov 2025561 AMAQI
13th Nov 2025572 AMAQI
13th Nov 2025563 AMAQI
13th Nov 2025564 AMAQI
13th Nov 2025575 AMAQI
13°C10/16°C
13th Nov 2025586 AMAQI
13th Nov 2025557 AMAQI
13th Nov 2025568 AMAQI
13th Nov 2025579 AMAQI
13th Nov 20255610 AMAQI
13th Nov 20255511 AMAQI
13th Nov 20255612 PMAQI
13th Nov 2025561 PMAQI
13th Nov 2025592 PMAQI
13th Nov 2025593 PMAQI
13th Nov 2025604 PMAQI
13th Nov 2025625 PMAQI
13th Nov 2025626 PMAQI
13th Nov 2025637 PMAQI
13th Nov 2025658 PMAQI
13th Nov 2025689 PMAQI
13th Nov 20257110 PMAQI
13th Nov 20257111 PMAQI
14th Nov 20257012 AMAQI
14th Nov 2025681 AMAQI
14th Nov 2025622 AMAQI
14th Nov 2025593 AMAQI
14th Nov 2025554 AMAQI
14th Nov 2025515 AMAQI
15°C14/16°C
14th Nov 2025496 AMAQI
14th Nov 2025517 AMAQI
14th Nov 2025518 AMAQI
14th Nov 2025539 AMAQI
14th Nov 20255210 AMAQI
14th Nov 20255411 AMAQI
14th Nov 20255312 PMAQI
14th Nov 2025551 PMAQI
14th Nov 2025562 PMAQI
14th Nov 2025563 PMAQI
14th Nov 2025564 PMAQI
14th Nov 2025565 PMAQI
14th Nov 2025566 PMAQI
14th Nov 2025557 PMAQI
14th Nov 2025488 PMAQI
14th Nov 2025449 PMAQI
14th Nov 20254210 PMAQI
14th Nov 20254211 PMAQI
15th Nov 20255112 AMAQI
15th Nov 2025531 AMAQI
15th Nov 2025502 AMAQI
15th Nov 2025473 AMAQI
15th Nov 2025454 AMAQI
15th Nov 2025415 AMAQI
15°C13/18°C
15th Nov 2025406 AMAQI
15th Nov 2025417 AMAQI
15th Nov 2025428 AMAQI
15th Nov 2025419 AMAQI
15th Nov 20253910 AMAQI
15th Nov 20254011 AMAQI
15th Nov 20254412 PMAQI
15th Nov 2025451 PMAQI
15th Nov 2025472 PMAQI
15th Nov 2025453 PMAQI
15th Nov 2025394 PMAQI
15th Nov 2025405 PMAQI
15th Nov 2025416 PMAQI
15th Nov 2025447 PMAQI
15th Nov 2025448 PMAQI
15th Nov 2025479 PMAQI
15th Nov 20255110 PMAQI
15th Nov 20255311 PMAQI
16th Nov 20255112 AMAQI
16th Nov 2025521 AMAQI
16th Nov 2025532 AMAQI
16th Nov 2025553 AMAQI
16th Nov 2025534 AMAQI
16th Nov 2025535 AMAQI
15°C13/17°C
16th Nov 2025526 AMAQI
16th Nov 2025527 AMAQI
16th Nov 2025518 AMAQI
16th Nov 2025469 AMAQI
16th Nov 20254810 AMAQI
16th Nov 20254611 AMAQI
16th Nov 20254712 PMAQI
16th Nov 2025441 PMAQI
16th Nov 2025502 PMAQI
16th Nov 2025503 PMAQI
16th Nov 2025494 PMAQI
16th Nov 2025475 PMAQI
16th Nov 2025466 PMAQI
16th Nov 2025447 PMAQI
16th Nov 2025468 PMAQI
16th Nov 2025499 PMAQI
16th Nov 20255010 PMAQI
16th Nov 20255411 PMAQI
17th Nov 20255612 AMAQI
17th Nov 2025571 AMAQI
17th Nov 2025582 AMAQI
17th Nov 2025593 AMAQI
17th Nov 2025564 AMAQI
17th Nov 2025565 AMAQI
15°C13/17°C
17th Nov 2025586 AMAQI
17th Nov 2025577 AMAQI
17th Nov 2025538 AMAQI
17th Nov 2025539 AMAQI
17th Nov 20255310 AMAQI
17th Nov 20255311 AMAQI
17th Nov 20255512 PMAQI
17th Nov 2025531 PMAQI
17th Nov 2025552 PMAQI
17th Nov 2025523 PMAQI
17th Nov 2025514 PMAQI
17th Nov 2025525 PMAQI
17th Nov 2025526 PMAQI
17th Nov 2025547 PMAQI
17th Nov 2025558 PMAQI
17th Nov 2025569 PMAQI
17th Nov 20255510 PMAQI
17th Nov 20255411 PMAQI
18th Nov 20255312 AMAQI
18th Nov 2025541 AMAQI
18th Nov 2025472 AMAQI
18th Nov 2025293 AMAQI
18th Nov 2025244 AMAQI
18th Nov 2025205 AMAQI
17°C14/20°C
18th Nov 2025236 AMAQI
18th Nov 2025247 AMAQI
18th Nov 2025268 AMAQI
18th Nov 2025199 AMAQI
18th Nov 20252610 AMAQI
18th Nov 20252611 AMAQI
18th Nov 20252312 PMAQI
18th Nov 2025231 PMAQI
18th Nov 2025212 PMAQI
18th Nov 2025223 PMAQI
18th Nov 2025244 PMAQI
18th Nov 2025235 PMAQI
18th Nov 2025236 PMAQI
18th Nov 2025247 PMAQI
18th Nov 2025278 PMAQI
18th Nov 2025279 PMAQI
18th Nov 20253010 PMAQI
18th Nov 20253011 PMAQI
19th Nov 20252312 AMAQI
19th Nov 2025201 AMAQI
19th Nov 2025212 AMAQI
19th Nov 2025253 AMAQI
19th Nov 2025254 AMAQI
19th Nov 2025215 AMAQI
12°C10/12°C
19th Nov 2025226 AMAQI
19th Nov 2025257 AMAQI
19th Nov 2025278 AMAQI
19th Nov 2025289 AMAQI
19th Nov 20253010 AMAQI
19th Nov 20253411 AMAQI
19th Nov 20252812 PMAQI
19th Nov 2025311 PMAQI
19th Nov 2025282 PMAQI
19th Nov 2025323 PMAQI
19th Nov 2025324 PMAQI
19th Nov 2025355 PMAQI
19th Nov 2025366 PMAQI
19th Nov 2025377 PMAQI
19th Nov 2025398 PMAQI
19th Nov 2025439 PMAQI
19th Nov 20254210 PMAQI
19th Nov 20254611 PMAQI
20th Nov 20254712 AMAQI
20th Nov 2025511 AMAQI
20th Nov 2025492 AMAQI
20th Nov 2025543 AMAQI
20th Nov 2025484 AMAQI
20th Nov 2025435 AMAQI
11°C8/13°C
20th Nov 2025416 AMAQI
20th Nov 2025407 AMAQI
20th Nov 2025368 AMAQI
20th Nov 2025379 AMAQI
20th Nov 20253410 AMAQI
20th Nov 20253611 AMAQI
20th Nov 20253712 PMAQI
20th Nov 2025421 PMAQI
20th Nov 2025462 PMAQI
20th Nov 2025473 PMAQI
20th Nov 2025494 PMAQI
20th Nov 2025495 PMAQI
20th Nov 2025546 PMAQI
20th Nov 2025517 PMAQI
20th Nov 2025508 PMAQI
20th Nov 2025549 PMAQI
20th Nov 20255710 PMAQI
20th Nov 20255711 PMAQI
21st Nov 20256212 AMAQI
21st Nov 2025631 AMAQI
21st Nov 2025622 AMAQI
21st Nov 2025613 AMAQI
21st Nov 2025604 AMAQI
21st Nov 2025595 AMAQI
11°C9/13°C
21st Nov 2025606 AMAQI
21st Nov 2025597 AMAQI
21st Nov 2025558 AMAQI
21st Nov 2025489 AMAQI
21st Nov 20255410 AMAQI
21st Nov 20255611 AMAQI
21st Nov 20255812 PMAQI
21st Nov 2025581 PMAQI
21st Nov 2025572 PMAQI
21st Nov 2025543 PMAQI
21st Nov 2025524 PMAQI
21st Nov 2025525 PMAQI
21st Nov 2025546 PMAQI
21st Nov 2025577 PMAQI
21st Nov 2025608 PMAQI
21st Nov 2025619 PMAQI
21st Nov 20256310 PMAQI
21st Nov 20255911 PMAQI
22nd Nov 20255312 AMAQI
22nd Nov 2025491 AMAQI
22nd Nov 2025452 AMAQI
22nd Nov 2025413 AMAQI
22nd Nov 2025394 AMAQI
22nd Nov 2025375 AMAQI
13°C10/15°C
22nd Nov 2025356 AMAQI
22nd Nov 2025337 AMAQI
22nd Nov 2025338 AMAQI
22nd Nov 2025289 AMAQI
22nd Nov 20252910 AMAQI
22nd Nov 20252711 AMAQI
22nd Nov 20252312 PMAQI
22nd Nov 2025241 PMAQI
22nd Nov 2025272 PMAQI
22nd Nov 2025283 PMAQI
22nd Nov 2025244 PMAQI
22nd Nov 2025285 PMAQI
22nd Nov 2025276 PMAQI
22nd Nov 2025267 PMAQI
22nd Nov 2025328 PMAQI
22nd Nov 2025409 PMAQI
22nd Nov 20253910 PMAQI
22nd Nov 20254211 PMAQI
23rd Nov 20254012 AMAQI
23rd Nov 2025381 AMAQI
23rd Nov 2025372 AMAQI
23rd Nov 2025353 AMAQI
23rd Nov 2025354 AMAQI
23rd Nov 2025335 AMAQI
13°C10/16°C
23rd Nov 2025356 AMAQI
23rd Nov 2025367 AMAQI
23rd Nov 2025368 AMAQI
23rd Nov 2025379 AMAQI
23rd Nov 20253910 AMAQI
23rd Nov 20253911 AMAQI
23rd Nov 20253712 PMAQI
23rd Nov 2025401 PMAQI
23rd Nov 2025432 PMAQI
23rd Nov 2025453 PMAQI
23rd Nov 2025494 PMAQI
23rd Nov 2025495 PMAQI
23rd Nov 2025516 PMAQI
23rd Nov 2025567 PMAQI
23rd Nov 2025548 PMAQI
23rd Nov 2025559 PMAQI
23rd Nov 20255610 PMAQI
23rd Nov 20255811 PMAQI
24th Nov 20255812 AMAQI
24th Nov 2025591 AMAQI
24th Nov 2025582 AMAQI
24th Nov 2025563 AMAQI
24th Nov 2025564 AMAQI
24th Nov 2025555 AMAQI
14°C13/16°C
24th Nov 2025546 AMAQI
24th Nov 2025567 AMAQI
24th Nov 2025538 AMAQI
24th Nov 2025509 AMAQI
24th Nov 20254810 AMAQI
24th Nov 20255211 AMAQI
24th Nov 20255412 PMAQI
24th Nov 2025541 PMAQI
24th Nov 2025532 PMAQI
24th Nov 2025523 PMAQI
24th Nov 2025534 PMAQI
24th Nov 2025525 PMAQI
24th Nov 2025546 PMAQI
24th Nov 2025517 PMAQI
24th Nov 2025528 PMAQI
24th Nov 2025549 PMAQI
24th Nov 20256210 PMAQI
24th Nov 20256311 PMAQI
25th Nov 20256212 AMAQI
25th Nov 2025631 AMAQI
25th Nov 2025592 AMAQI
25th Nov 2025593 AMAQI
25th Nov 2025574 AMAQI
25th Nov 2025545 AMAQI
14°C11/17°C
25th Nov 2025536 AMAQI
25th Nov 2025527 AMAQI
25th Nov 2025558 AMAQI
25th Nov 2025549 AMAQI
25th Nov 20255410 AMAQI
25th Nov 20255211 AMAQI
25th Nov 20255612 PMAQI
25th Nov 2025581 PMAQI
25th Nov 2025592 PMAQI
25th Nov 2025583 PMAQI
25th Nov 2025604 PMAQI
25th Nov 2025635 PMAQI
25th Nov 2025656 PMAQI
25th Nov 2025657 PMAQI
25th Nov 2025708 PMAQI
25th Nov 2025699 PMAQI
25th Nov 20257010 PMAQI
25th Nov 20256811 PMAQI
26th Nov 20256212 AMAQI
26th Nov 2025581 AMAQI
26th Nov 2025502 AMAQI
26th Nov 2025433 AMAQI
26th Nov 2025374 AMAQI
26th Nov 2025365 AMAQI
14°C13/16°C
26th Nov 2025336 AMAQI
26th Nov 2025357 AMAQI
26th Nov 2025398 AMAQI
26th Nov 2025399 AMAQI
26th Nov 20254210 AMAQI
26th Nov 20254311 AMAQI
26th Nov 20254212 PMAQI
26th Nov 2025361 PMAQI
26th Nov 2025392 PMAQI
26th Nov 2025373 PMAQI
26th Nov 2025304 PMAQI
26th Nov 2025295 PMAQI
26th Nov 2025306 PMAQI
26th Nov 2025287 PMAQI
26th Nov 2025258 PMAQI
26th Nov 2025259 PMAQI
26th Nov 20252710 PMAQI
26th Nov 20253311 PMAQI
27th Nov 20253712 AMAQI
27th Nov 2025361 AMAQI
27th Nov 2025362 AMAQI
27th Nov 2025353 AMAQI
27th Nov 2025354 AMAQI
27th Nov 2025355 AMAQI
14°C11/18°C
27th Nov 2025336 AMAQI
27th Nov 2025337 AMAQI
27th Nov 2025388 AMAQI
27th Nov 2025419 AMAQI
27th Nov 20254210 AMAQI
27th Nov 20254811 AMAQI
27th Nov 20255112 PMAQI
27th Nov 2025511 PMAQI
27th Nov 2025522 PMAQI
27th Nov 2025543 PMAQI
27th Nov 2025544 PMAQI
27th Nov 2025545 PMAQI
27th Nov 2025546 PMAQI
27th Nov 2025547 PMAQI
27th Nov 2025548 PMAQI
27th Nov 2025569 PMAQI
27th Nov 20255710 PMAQI
27th Nov 20255711 PMAQI
28th Nov 20255812 AMAQI
28th Nov 2025581 AMAQI
28th Nov 2025582 AMAQI
28th Nov 2025613 AMAQI
28th Nov 2025604 AMAQI
28th Nov 2025605 AMAQI
14°C11/17°C
28th Nov 2025606 AMAQI
28th Nov 2025617 AMAQI
28th Nov 2025618 AMAQI
28th Nov 2025619 AMAQI
28th Nov 20256310 AMAQI
28th Nov 20256411 AMAQI
28th Nov 20256412 PMAQI
28th Nov 2025621 PMAQI
28th Nov 2025582 PMAQI
28th Nov 2025543 PMAQI
28th Nov 2025504 PMAQI
28th Nov 2025415 PMAQI
28th Nov 2025326 PMAQI
28th Nov 2025307 PMAQI
28th Nov 2025288 PMAQI
28th Nov 2025269 PMAQI
28th Nov 20252410 PMAQI
28th Nov 20252411 PMAQI
29th Nov 20252412 AMAQI
29th Nov 2025201 AMAQI
29th Nov 2025202 AMAQI
29th Nov 2025193 AMAQI
29th Nov 2025164 AMAQI
29th Nov 2025155 AMAQI
16°C13/18°C
29th Nov 2025136 AMAQI
29th Nov 2025127 AMAQI
29th Nov 2025128 AMAQI
29th Nov 2025139 AMAQI
29th Nov 20251510 AMAQI
29th Nov 20251811 AMAQI
29th Nov 20252012 PMAQI
29th Nov 2025201 PMAQI
29th Nov 2025232 PMAQI
29th Nov 2025263 PMAQI
29th Nov 2025244 PMAQI
29th Nov 2025265 PMAQI
29th Nov 2025316 PMAQI
29th Nov 2025367 PMAQI
29th Nov 2025408 PMAQI
29th Nov 2025459 PMAQI
29th Nov 20255010 PMAQI
29th Nov 20255211 PMAQI
30th Nov 20255412 AMAQI
30th Nov 2025561 AMAQI
30th Nov 2025532 AMAQI
30th Nov 2025483 AMAQI
30th Nov 2025494 AMAQI
30th Nov 2025485 AMAQI
12°C10/13°C
30th Nov 2025446 AMAQI
30th Nov 2025407 AMAQI
30th Nov 2025478 AMAQI
30th Nov 2025499 AMAQI
30th Nov 20255210 AMAQI
30th Nov 20254911 AMAQI
30th Nov 20254812 PMAQI
30th Nov 2025471 PMAQI
30th Nov 2025472 PMAQI
30th Nov 2025493 PMAQI
30th Nov 2025494 PMAQI
30th Nov 2025475 PMAQI
30th Nov 2025436 PMAQI
30th Nov 2025477 PMAQI
30th Nov 2025528 PMAQI
30th Nov 2025539 PMAQI
30th Nov 20255310 PMAQI
30th Nov 20255911 PMAQI
1st Dec 20256212 AMAQI
1st Dec 2025621 AMAQI
1st Dec 2025632 AMAQI
1st Dec 2025643 AMAQI
1st Dec 2025644 AMAQI
1st Dec 2025625 AMAQI
14°C11/16°C
1st Dec 2025596 AMAQI
1st Dec 2025587 AMAQI
1st Dec 2025568 AMAQI
1st Dec 2025569 AMAQI
1st Dec 20255710 AMAQI
1st Dec 20256111 AMAQI
1st Dec 20256212 PMAQI
1st Dec 2025631 PMAQI
1st Dec 2025622 PMAQI
1st Dec 2025583 PMAQI
1st Dec 2025574 PMAQI
1st Dec 2025565 PMAQI
1st Dec 2025556 PMAQI
1st Dec 2025557 PMAQI
1st Dec 2025548 PMAQI
1st Dec 2025589 PMAQI
1st Dec 20256310 PMAQI
1st Dec 20256311 PMAQI
2nd Dec 20256212 AMAQI
2nd Dec 2025641 AMAQI
2nd Dec 2025672 AMAQI
2nd Dec 2025683 AMAQI
2nd Dec 2025714 AMAQI
2nd Dec 2025715 AMAQI
16°C12/19°C
2nd Dec 2025686 AMAQI
2nd Dec 2025687 AMAQI
2nd Dec 2025638 AMAQI
2nd Dec 2025599 AMAQI
2nd Dec 20255810 AMAQI
2nd Dec 20255711 AMAQI
2nd Dec 20255812 PMAQI
2nd Dec 2025581 PMAQI
2nd Dec 2025612 PMAQI
2nd Dec 2025643 PMAQI
2nd Dec 2025664 PMAQI
2nd Dec 2025685 PMAQI
2nd Dec 2025696 PMAQI
2nd Dec 2025707 PMAQI
2nd Dec 2025718 PMAQI
2nd Dec 2025679 PMAQI
2nd Dec 20256710 PMAQI
2nd Dec 20256711 PMAQI
3rd Dec 20256812 AMAQI
3rd Dec 2025681 AMAQI
3rd Dec 2025662 AMAQI
3rd Dec 2025663 AMAQI
3rd Dec 2025664 AMAQI
3rd Dec 2025675 AMAQI
15°C13/17°C
3rd Dec 2025686 AMAQI
3rd Dec 2025677 AMAQI
3rd Dec 2025668 AMAQI
3rd Dec 2025679 AMAQI
3rd Dec 20256810 AMAQI
3rd Dec 20256711 AMAQI
3rd Dec 20256712 PMAQI
3rd Dec 2025701 PMAQI
3rd Dec 2025712 PMAQI
3rd Dec 2025703 PMAQI
3rd Dec 2025704 PMAQI
3rd Dec 2025715 PMAQI
3rd Dec 2025716 PMAQI
3rd Dec 2025727 PMAQI
3rd Dec 2025738 PMAQI
3rd Dec 2025729 PMAQI
3rd Dec 20255210 PMAQI
3rd Dec 20254511 PMAQI
4th Dec 20254212 AMAQI
4th Dec 2025321 AMAQI
4th Dec 2025222 AMAQI
4th Dec 2025163 AMAQI
4th Dec 2025164 AMAQI
4th Dec 2025185 AMAQI
13°C10/15°C
4th Dec 2025176 AMAQI
4th Dec 2025167 AMAQI
4th Dec 2025188 AMAQI
4th Dec 2025179 AMAQI
4th Dec 20251810 AMAQI
4th Dec 20251811 AMAQI
4th Dec 20251912 PMAQI
4th Dec 2025191 PMAQI
4th Dec 2025172 PMAQI
4th Dec 2025173 PMAQI
4th Dec 2025174 PMAQI
4th Dec 2025195 PMAQI
4th Dec 2025176 PMAQI
4th Dec 2025197 PMAQI
4th Dec 2025238 PMAQI
4th Dec 2025249 PMAQI
4th Dec 20252810 PMAQI
4th Dec 20253411 PMAQI
5th Dec 20253412 AMAQI
5th Dec 2025361 AMAQI
5th Dec 2025362 AMAQI
5th Dec 2025353 AMAQI
5th Dec 2025404 AMAQI
5th Dec 2025415 AMAQI
8°C6/9°C
5th Dec 2025396 AMAQI
5th Dec 2025377 AMAQI
5th Dec 2025378 AMAQI
5th Dec 2025389 AMAQI
5th Dec 20254210 AMAQI
5th Dec 20254111 AMAQI
5th Dec 20253812 PMAQI
5th Dec 2025291 PMAQI
5th Dec 2025302 PMAQI
5th Dec 2025333 PMAQI
5th Dec 2025274 PMAQI
5th Dec 2025245 PMAQI
5th Dec 2025266 PMAQI
5th Dec 2025287 PMAQI
5th Dec 2025258 PMAQI
5th Dec 2025269 PMAQI
5th Dec 20253110 PMAQI
5th Dec 20253411 PMAQI
6th Dec 20253012 AMAQI
6th Dec 2025311 AMAQI
6th Dec 2025362 AMAQI
6th Dec 2025383 AMAQI
6th Dec 2025394 AMAQI
6th Dec 2025405 AMAQI
9°C7/11°C
6th Dec 2025356 AMAQI
6th Dec 2025317 AMAQI
6th Dec 2025318 AMAQI
6th Dec 2025329 AMAQI
6th Dec 20253010 AMAQI
6th Dec 20254011 AMAQI
6th Dec 20254412 PMAQI
6th Dec 2025461 PMAQI
6th Dec 2025422 PMAQI
6th Dec 2025383 PMAQI
6th Dec 2025394 PMAQI
6th Dec 2025415 PMAQI
6th Dec 2025436 PMAQI
6th Dec 2025447 PMAQI
6th Dec 2025488 PMAQI
6th Dec 2025559 PMAQI
6th Dec 20255910 PMAQI
6th Dec 20256311 PMAQI
7th Dec 20256512 AMAQI
7th Dec 2025621 AMAQI
7th Dec 2025552 AMAQI
7th Dec 2025523 AMAQI
7th Dec 2025524 AMAQI
7th Dec 2025455 AMAQI
9°C6/10°C
7th Dec 2025486 AMAQI
7th Dec 2025507 AMAQI
7th Dec 2025478 AMAQI
7th Dec 2025519 AMAQI
7th Dec 20255310 AMAQI
7th Dec 20255511 AMAQI
7th Dec 20255512 PMAQI
7th Dec 2025491 PMAQI
7th Dec 2025452 PMAQI
7th Dec 2025433 PMAQI
7th Dec 2025424 PMAQI
7th Dec 2025405 PMAQI
7th Dec 2025446 PMAQI
7th Dec 2025447 PMAQI
7th Dec 2025508 PMAQI
7th Dec 2025549 PMAQI
7th Dec 20255610 PMAQI
7th Dec 20256011 PMAQI
8th Dec 20255712 AMAQI
8th Dec 2025571 AMAQI
8th Dec 2025562 AMAQI
8th Dec 2025563 AMAQI
8th Dec 2025524 AMAQI
8th Dec 2025525 AMAQI
11°C8/14°C
8th Dec 2025526 AMAQI
8th Dec 2025507 AMAQI
8th Dec 2025518 AMAQI
8th Dec 2025559 AMAQI
8th Dec 20255310 AMAQI
8th Dec 20255311 AMAQI
8th Dec 20255812 PMAQI
8th Dec 2025601 PMAQI
8th Dec 2025532 PMAQI
8th Dec 2025463 PMAQI
8th Dec 2025504 PMAQI
8th Dec 2025555 PMAQI
8th Dec 2025596 PMAQI
8th Dec 2025637 PMAQI
8th Dec 2025648 PMAQI
8th Dec 2025659 PMAQI
8th Dec 20256210 PMAQI
8th Dec 20256011 PMAQI
9th Dec 20253512 AMAQI
9th Dec 2025231 AMAQI
9th Dec 2025192 AMAQI
9th Dec 2025213 AMAQI
9th Dec 2025214 AMAQI
9th Dec 2025235 AMAQI
12°C9/15°C
9th Dec 2025216 AMAQI
6 AM9th Dec 2025207 AMAQI
9th Dec 2025198 AMAQI
9th Dec 2025219 AMAQI
9th Dec 20252710 AMAQI
9th Dec 20253211 AMAQI
11 AM9th Dec 20253212 PMAQI
9th Dec 2025301 PMAQI
9th Dec 2025322 PMAQI
9th Dec 2025323 PMAQI
9th Dec 2025354 PMAQI
4 PM9th Dec 2025325 PMAQI
9th Dec 2025286 PMAQI
9th Dec 2025297 PMAQI
11 PM
5 AM
--°C/°C
Day time
Avg. Highest Time
6 AM - 4 PM
43AQI
11 hours / Day
330 hours / Month
Avg. Lowest Time
6 AM - 4 PM
43AQI
11 hours / Day
330 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 6 AM to 4 PM (Avg. 43), while the lowest AQI was between 6 AM to 4 PM (Avg. 43).
Night time
Avg. Highest Time
8 PM - 11 PM
49AQI
4 hours / Day
120 hours / Month
Avg. Lowest Time
2 AM - 7 PM
44AQI
7 hours / Day
210 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 8 PM to 11 PM (Avg. 49), while the lowest AQI was between 2 AM to 7 PM (Avg. 44).
2025 Days Vs Air Quality
Honcho, Chiba, Japan
2025
80%
273
20%
69
Total number of days with different AQI categories in last 343 days in 2025 (22 days remaining)
Good
273 DaysModerate
69 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 80%
Health Risk Level:
Low
In 2025, 80% of 343 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
Honcho, Chiba, 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.
-1th undefined 2025
-1th undefined 2025
-1th undefined 2025
1st January 2025
32AQI
32AQI
2nd January 2025
32AQI
32AQI
3rd January 2025
25AQI
25AQI
4th January 2025
29AQI
29AQI
5th January 2025
36AQI
36AQI
6th January 2025
51AQI
51AQI
7th January 2025
33AQI
33AQI
8th January 2025
37AQI
37AQI
9th January 2025
31AQI
31AQI
10th January 2025
29AQI
29AQI
11th January 2025
31AQI
31AQI
12th January 2025
34AQI
34AQI
13th January 2025
30AQI
30AQI
14th January 2025
44AQI
44AQI
15th January 2025
40AQI
40AQI
16th January 2025
36AQI
36AQI
17th January 2025
33AQI
33AQI
18th January 2025
34AQI
34AQI
19th January 2025
51AQI
51AQI
20th January 2025
41AQI
41AQI
21st January 2025
42AQI
42AQI
22nd January 2025
41AQI
41AQI
23rd January 2025
53AQI
53AQI
24th January 2025
46AQI
46AQI
25th January 2025
42AQI
42AQI
26th January 2025
36AQI
36AQI
27th January 2025
40AQI
40AQI
28th January 2025
39AQI
39AQI
29th January 2025
34AQI
34AQI
30th January 2025
34AQI
34AQI
31st January 2025
30AQI
30AQI
1st February 2025
38AQI
38AQI
2nd February 2025
31AQI
31AQI
3rd February 2025
39AQI
39AQI
4th February 2025
31AQI
31AQI
5th February 2025
32AQI
32AQI
6th February 2025
27AQI
27AQI
7th February 2025
29AQI
29AQI
8th February 2025
28AQI
28AQI
9th February 2025
29AQI
29AQI
10th February 2025
27AQI
27AQI
11th February 2025
31AQI
31AQI
12th February 2025
32AQI
32AQI
13th February 2025
34AQI
34AQI
14th February 2025
29AQI
29AQI
15th February 2025
30AQI
30AQI
16th February 2025
36AQI
36AQI
17th February 2025
35AQI
35AQI
18th February 2025
31AQI
31AQI
19th February 2025
31AQI
31AQI
20th February 2025
28AQI
28AQI
21st February 2025
29AQI
29AQI
22nd February 2025
30AQI
30AQI
23rd February 2025
32AQI
32AQI
24th February 2025
32AQI
32AQI
25th February 2025
32AQI
32AQI
26th February 2025
37AQI
37AQI
27th February 2025
38AQI
38AQI
28th February 2025
56AQI
56AQI
1st March 2025
52AQI
52AQI
2nd March 2025
66AQI
66AQI
3rd March 2025
44AQI
44AQI
4th March 2025
40AQI
40AQI
5th March 2025
27AQI
27AQI
6th March 2025
34AQI
34AQI
7th March 2025
31AQI
31AQI
8th March 2025
34AQI
34AQI
9th March 2025
34AQI
34AQI
10th March 2025
34AQI
34AQI
11th March 2025
45AQI
45AQI
12th March 2025
48AQI
48AQI
13th March 2025
48AQI
48AQI
14th March 2025
44AQI
44AQI
15th March 2025
36AQI
36AQI
16th March 2025
27AQI
27AQI
17th March 2025
22AQI
22AQI
18th March 2025
24AQI
24AQI
19th March 2025
18AQI
18AQI
20th March 2025
24AQI
24AQI
21st March 2025
43AQI
43AQI
22nd March 2025
50AQI
50AQI
23rd March 2025
56AQI
56AQI
24th March 2025
53AQI
53AQI
25th March 2025
67AQI
67AQI
26th March 2025
79AQI
79AQI
27th March 2025
71AQI
71AQI
28th March 2025
54AQI
54AQI
29th March 2025
40AQI
40AQI
30th March 2025
40AQI
40AQI
31st March 2025
32AQI
32AQI
1st April 2025
29AQI
29AQI
2nd April 2025
22AQI
22AQI
3rd April 2025
20AQI
20AQI
4th April 2025
19AQI
19AQI
5th April 2025
24AQI
24AQI
6th April 2025
27AQI
27AQI
7th April 2025
30AQI
30AQI
8th April 2025
43AQI
43AQI
9th April 2025
25AQI
25AQI
10th April 2025
49AQI
49AQI
11th April 2025
38AQI
38AQI
12th April 2025
40AQI
40AQI
13th April 2025
30AQI
30AQI
14th April 2025
41AQI
41AQI
15th April 2025
32AQI
32AQI
16th April 2025
37AQI
37AQI
17th April 2025
45AQI
45AQI
18th April 2025
49AQI
49AQI
19th April 2025
57AQI
57AQI
20th April 2025
47AQI
47AQI
21st April 2025
45AQI
45AQI
22nd April 2025
46AQI
46AQI
23rd April 2025
33AQI
33AQI
24th April 2025
41AQI
41AQI
25th April 2025
38AQI
38AQI
26th April 2025
45AQI
45AQI
27th April 2025
47AQI
47AQI
28th April 2025
44AQI
44AQI
29th April 2025
38AQI
38AQI
30th April 2025
46AQI
46AQI
1st May 2025
41AQI
41AQI
2nd May 2025
32AQI
32AQI
3rd May 2025
34AQI
34AQI
4th May 2025
36AQI
36AQI
5th May 2025
36AQI
36AQI
6th May 2025
28AQI
28AQI
7th May 2025
25AQI
25AQI
8th May 2025
26AQI
26AQI
9th May 2025
29AQI
29AQI
10th May 2025
24AQI
24AQI
11th May 2025
29AQI
29AQI
12th May 2025
26AQI
26AQI
13th May 2025
33AQI
33AQI
14th May 2025
33AQI
33AQI
15th May 2025
36AQI
36AQI
16th May 2025
38AQI
38AQI
17th May 2025
31AQI
31AQI
18th May 2025
43AQI
43AQI
19th May 2025
39AQI
39AQI
20th May 2025
56AQI
56AQI
21st May 2025
43AQI
43AQI
22nd May 2025
44AQI
44AQI
23rd May 2025
40AQI
40AQI
24th May 2025
38AQI
38AQI
25th May 2025
30AQI
30AQI
26th May 2025
28AQI
28AQI
27th May 2025
26AQI
26AQI
28th May 2025
24AQI
24AQI
29th May 2025
28AQI
28AQI
30th May 2025
24AQI
24AQI
31st May 2025
16AQI
16AQI
1st June 2025
22AQI
22AQI
2nd June 2025
31AQI
31AQI
3rd June 2025
34AQI
34AQI
4th June 2025
34AQI
34AQI
5th June 2025
43AQI
43AQI
6th June 2025
48AQI
48AQI
7th June 2025
49AQI
49AQI
8th June 2025
56AQI
56AQI
9th June 2025
41AQI
41AQI
10th June 2025
33AQI
33AQI
11th June 2025
31AQI
31AQI
12th June 2025
40AQI
40AQI
13th June 2025
41AQI
41AQI
14th June 2025
35AQI
35AQI
15th June 2025
40AQI
40AQI
16th June 2025
43AQI
43AQI
17th June 2025
52AQI
52AQI
18th June 2025
48AQI
48AQI
19th June 2025
47AQI
47AQI
20th June 2025
43AQI
43AQI
21st June 2025
35AQI
35AQI
22nd June 2025
24AQI
24AQI
23rd June 2025
27AQI
27AQI
24th June 2025
26AQI
26AQI
25th June 2025
24AQI
24AQI
26th June 2025
24AQI
24AQI
27th June 2025
32AQI
32AQI
28th June 2025
30AQI
30AQI
29th June 2025
34AQI
34AQI
30th June 2025
37AQI
37AQI
1st July 2025
38AQI
38AQI
2nd July 2025
40AQI
40AQI
3rd July 2025
41AQI
41AQI
4th July 2025
43AQI
43AQI
5th July 2025
52AQI
52AQI
6th July 2025
65AQI
65AQI
7th July 2025
79AQI
79AQI
8th July 2025
78AQI
78AQI
9th July 2025
72AQI
72AQI
10th July 2025
57AQI
57AQI
11th July 2025
49AQI
49AQI
12th July 2025
52AQI
52AQI
13th July 2025
51AQI
51AQI
14th July 2025
44AQI
44AQI
15th July 2025
43AQI
43AQI
16th July 2025
43AQI
43AQI
17th July 2025
43AQI
43AQI
18th July 2025
38AQI
38AQI
19th July 2025
34AQI
34AQI
20th July 2025
31AQI
31AQI
21st July 2025
32AQI
32AQI
22nd July 2025
32AQI
32AQI
23rd July 2025
33AQI
33AQI
24th July 2025
35AQI
35AQI
25th July 2025
32AQI
32AQI
26th July 2025
31AQI
31AQI
27th July 2025
27AQI
27AQI
28th July 2025
34AQI
34AQI
29th July 2025
33AQI
33AQI
30th July 2025
29AQI
29AQI
31st July 2025
29AQI
29AQI
1st August 2025
31AQI
31AQI
2nd August 2025
42AQI
42AQI
3rd August 2025
44AQI
44AQI
4th August 2025
63AQI
63AQI
5th August 2025
54AQI
54AQI
6th August 2025
54AQI
54AQI
7th August 2025
52AQI
52AQI
8th August 2025
48AQI
48AQI
9th August 2025
50AQI
50AQI
10th August 2025
41AQI
41AQI
11th August 2025
41AQI
41AQI
12th August 2025
38AQI
38AQI
13th August 2025
37AQI
37AQI
14th August 2025
42AQI
42AQI
15th August 2025
38AQI
38AQI
16th August 2025
40AQI
40AQI
17th August 2025
42AQI
42AQI
18th August 2025
48AQI
48AQI
19th August 2025
46AQI
46AQI
20th August 2025
48AQI
48AQI
21st August 2025
54AQI
54AQI
22nd August 2025
56AQI
56AQI
23rd August 2025
49AQI
49AQI
24th August 2025
58AQI
58AQI
25th August 2025
58AQI
58AQI
26th August 2025
55AQI
55AQI
27th August 2025
53AQI
53AQI
28th August 2025
45AQI
45AQI
29th August 2025
53AQI
53AQI
30th August 2025
59AQI
59AQI
31st August 2025
57AQI
57AQI
1st September 2025
48AQI
48AQI
2nd September 2025
40AQI
40AQI
3rd September 2025
41AQI
41AQI
4th September 2025
39AQI
39AQI
5th September 2025
32AQI
32AQI
6th September 2025
35AQI
35AQI
7th September 2025
33AQI
33AQI
8th September 2025
47AQI
47AQI
9th September 2025
51AQI
51AQI
10th September 2025
48AQI
48AQI
11th September 2025
40AQI
40AQI
12th September 2025
34AQI
34AQI
13th September 2025
32AQI
32AQI
14th September 2025
40AQI
40AQI
15th September 2025
35AQI
35AQI
16th September 2025
38AQI
38AQI
17th September 2025
52AQI
52AQI
18th September 2025
46AQI
46AQI
19th September 2025
35AQI
35AQI
20th September 2025
39AQI
39AQI
21st September 2025
32AQI
32AQI
22nd September 2025
30AQI
30AQI
23rd September 2025
28AQI
28AQI
24th September 2025
29AQI
29AQI
25th September 2025
32AQI
32AQI
26th September 2025
50AQI
50AQI
27th September 2025
33AQI
33AQI
28th September 2025
30AQI
30AQI
29th September 2025
33AQI
33AQI
30th September 2025
22AQI
22AQI
1st October 2025
30AQI
30AQI
2nd October 2025
52AQI
52AQI
3rd October 2025
49AQI
49AQI
4th October 2025
56AQI
56AQI
5th October 2025
54AQI
54AQI
6th October 2025
49AQI
49AQI
7th October 2025
44AQI
44AQI
8th October 2025
56AQI
56AQI
9th October 2025
51AQI
51AQI
10th October 2025
50AQI
50AQI
11th October 2025
47AQI
47AQI
12th October 2025
43AQI
43AQI
13th October 2025
53AQI
53AQI
14th October 2025
56AQI
56AQI
15th October 2025
45AQI
45AQI
16th October 2025
60AQI
60AQI
17th October 2025
51AQI
51AQI
18th October 2025
45AQI
45AQI
19th October 2025
51AQI
51AQI
20th October 2025
40AQI
40AQI
21st October 2025
22AQI
22AQI
22nd October 2025
35AQI
35AQI
23rd October 2025
41AQI
41AQI
24th October 2025
40AQI
40AQI
25th October 2025
43AQI
43AQI
26th October 2025
30AQI
30AQI
27th October 2025
36AQI
36AQI
28th October 2025
39AQI
39AQI
29th October 2025
41AQI
41AQI
30th October 2025
60AQI
60AQI
31st October 2025
67AQI
67AQI
1st November 2025
31AQI
31AQI
2nd November 2025
39AQI
39AQI
3rd November 2025
46AQI
46AQI
4th November 2025
31AQI
31AQI
5th November 2025
51AQI
51AQI
6th November 2025
52AQI
52AQI
7th November 2025
55AQI
55AQI
8th November 2025
50AQI
50AQI
9th November 2025
48AQI
48AQI
10th November 2025
47AQI
47AQI
11th November 2025
28AQI
28AQI
12th November 2025
41AQI
41AQI
13th November 2025
66AQI
66AQI
14th November 2025
66AQI
66AQI
15th November 2025
46AQI
46AQI
16th November 2025
56AQI
56AQI
17th November 2025
62AQI
62AQI
18th November 2025
45AQI
45AQI
19th November 2025
37AQI
37AQI
20th November 2025
54AQI
54AQI
21st November 2025
62AQI
62AQI
22nd November 2025
41AQI
41AQI
23rd November 2025
48AQI
48AQI
24th November 2025
63AQI
63AQI
25th November 2025
63AQI
63AQI
26th November 2025
46AQI
46AQI
27th November 2025
49AQI
49AQI
28th November 2025
60AQI
60AQI
29th November 2025
30AQI
30AQI
30th November 2025
56AQI
56AQI
1st December 2025
62AQI
62AQI
2nd December 2025
69AQI
69AQI
3rd December 2025
69AQI
69AQI
4th December 2025
28AQI
28AQI
5th December 2025
39AQI
39AQI
6th December 2025
50AQI
50AQI
7th December 2025
59AQI
59AQI
8th December 2025
67AQI
67AQI
9th December 2025
10th December 2025
11th December 2025
12th December 2025
13th December 2025
14th December 2025
15th December 2025
16th December 2025
17th December 2025
18th December 2025
19th December 2025
20th December 2025
21st December 2025
22nd December 2025
23rd December 2025
24th December 2025
25th December 2025
26th December 2025
27th December 2025
28th December 2025
29th December 2025
30th December 2025
31st December 2025
37AQI
33AQI
42AQI
38AQI
33AQI
37AQI
43AQI
48AQI
37AQI
46AQI
49AQI
55AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202541AQI
28
3
27
1
23
8
29
1
30
1
28
2
23
8
18
13
28
2
19
12
17
13
3
5
273
69
Highest AQI recorded in
December55AQI
Lowest AQI recorded in
February33AQI
202439AQI
26
5
27
2
25
6
21
9
27
4
28
2
11
20
29
2
27
3
30
1
27
3
30
1
308
58
Highest AQI recorded in
July54AQI
Lowest AQI recorded in
September33AQI
202340AQI
24
7
25
3
26
5
23
7
26
5
20
10
23
8
28
3
29
1
28
3
19
10
23
7
294
69
Highest AQI recorded in
April46AQI
Lowest AQI recorded in
August31AQI
202240AQI
28
3
18
4
25
6
20
10
25
6
21
9
21
3
1
28
1
25
6
22
8
27
2
261
58
Highest AQI recorded in
April44AQI
Lowest AQI recorded in
September33AQI
202135AQI
24
6
26
2
29
2
29
1
26
5
27
3
27
4
27
4
29
1
29
2
26
4
19
10
318
44
Highest AQI recorded in
December43AQI
Lowest AQI recorded in
February29AQI
202035AQI
11
2
18
3
18
25
5
30
1
18
13
18
1
29
2
25
3
28
3
220
33
Highest AQI recorded in
August47AQI
Lowest AQI recorded in
September27AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2025(Avg.)
41AQILeast Polluted Year Recorded
2020(Avg.)
35AQIHoncho's annual 2025 AQI (41) shows an average percentage change of 8.3% (worsened AQI) compared to previous years: 2020 (35), 2021 (35), 2022 (40), 2023 (40), 2024 (39).
