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HistoryAQIPM2.5PM10COSO2NO2O3

Heyuan, Guangdong, China 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+

October Air Quality Analysis

Heyuan, Guangdong, China

2021
2022
2023
2024
2025
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
26th Oct 2023
126AQI
Lowest AQI recorded on
10th Oct 2023
22AQI

Same Day Analysis (5th October ):
On this day, AQI across the 5 years varied significantly: 2025 ranks the most lowest AQI at 48 of Good air quality, showing improvement over 2024, 2023, 2022 and 2021 on the same day.

Download 2024 Annual Data

World Air Quality Report

Globe

Day & Night AQI Trend: 5th Oct - 6th Oct 2025

Heyuan, Guangdong, China

AQI
Day
Night
.

6 AM5th Oct 2025

6 PM

5 AM6th Oct 2025

Day time
Avg. Highest Time
8AM5th Oct

68AQI

Avg. Lowest Time
3PM5th Oct

49AQI

Night time
Avg. Highest Time
3AM6th Oct

57AQI

Avg. Lowest Time
10PM5th Oct

48AQI

In the last 24 hours,

Heyuan's AQI reached its highest point of 68 at 8 AM during the Day, while the lowest point, 48, was recorded at 10 PM during the Night between 5th Oct and 6th Oct 2025.

Day & Night AQI Trend : Sep - Oct 2025

Heyuan, Guangdong, China

SepOct
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 - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th
Day
Night
6th Sep 2025596 AMAQI
6th Sep 2025607 AMAQI
6th Sep 2025648 AMAQI
6th Sep 2025689 AMAQI
6th Sep 20256510 AMAQI
6th Sep 20256511 AMAQI
6th Sep 20256412 PMAQI
6th Sep 2025641 PMAQI
6th Sep 2025662 PMAQI
6th Sep 2025623 PMAQI
6th Sep 2025704 PMAQI
6th Sep 2025645 PMAQI
6th Sep 2025616 PMAQI
6th Sep 2025617 PMAQI
6th Sep 2025698 PMAQI
6th Sep 2025709 PMAQI
6th Sep 20256610 PMAQI
6th Sep 20256311 PMAQI
7th Sep 20256312 AMAQI
7th Sep 2025611 AMAQI
7th Sep 2025592 AMAQI
7th Sep 2025603 AMAQI
7th Sep 2025614 AMAQI
7th Sep 2025625 AMAQI

30°C25/36°C

7th Sep 2025616 AMAQI
7th Sep 2025617 AMAQI
7th Sep 2025648 AMAQI
7th Sep 2025709 AMAQI
7th Sep 20256610 AMAQI
7th Sep 20256111 AMAQI
7th Sep 20256512 PMAQI
7th Sep 2025601 PMAQI
7th Sep 2025552 PMAQI
7th Sep 2025553 PMAQI
7th Sep 2025574 PMAQI
7th Sep 2025575 PMAQI
7th Sep 2025566 PMAQI
7th Sep 2025557 PMAQI
7th Sep 2025558 PMAQI
7th Sep 2025549 PMAQI
7th Sep 20255410 PMAQI
7th Sep 20255411 PMAQI
8th Sep 20255512 AMAQI
8th Sep 2025601 AMAQI
8th Sep 2025612 AMAQI
8th Sep 2025613 AMAQI
8th Sep 2025614 AMAQI
8th Sep 2025615 AMAQI

28°C24/33°C

8th Sep 2025606 AMAQI
8th Sep 2025617 AMAQI
8th Sep 2025308 AMAQI
8th Sep 2025379 AMAQI
8th Sep 20253210 AMAQI
8th Sep 20253111 AMAQI
8th Sep 20253012 PMAQI
8th Sep 2025311 PMAQI
8th Sep 2025352 PMAQI
8th Sep 2025303 PMAQI
8th Sep 2025304 PMAQI
8th Sep 2025265 PMAQI
8th Sep 2025276 PMAQI
8th Sep 2025467 PMAQI
8th Sep 2025518 PMAQI
8th Sep 2025519 PMAQI
8th Sep 20255010 PMAQI
8th Sep 20255211 PMAQI
9th Sep 20255312 AMAQI
9th Sep 2025601 AMAQI
9th Sep 2025592 AMAQI
9th Sep 2025573 AMAQI
9th Sep 2025564 AMAQI
9th Sep 2025565 AMAQI

26°C24/29°C

9th Sep 2025566 AMAQI
9th Sep 2025557 AMAQI
9th Sep 2025308 AMAQI
9th Sep 2025289 AMAQI
9th Sep 20252710 AMAQI
9th Sep 20252811 AMAQI
9th Sep 20253112 PMAQI
9th Sep 2025331 PMAQI
9th Sep 2025292 PMAQI
9th Sep 2025263 PMAQI
9th Sep 2025334 PMAQI
9th Sep 2025335 PMAQI
9th Sep 2025346 PMAQI
9th Sep 2025457 PMAQI
9th Sep 2025518 PMAQI
9th Sep 2025499 PMAQI
9th Sep 20255010 PMAQI
9th Sep 20255011 PMAQI
10th Sep 20255112 AMAQI
10th Sep 2025551 AMAQI
10th Sep 2025572 AMAQI
10th Sep 2025543 AMAQI
10th Sep 2025544 AMAQI
10th Sep 2025535 AMAQI

26°C24/30°C

10th Sep 2025536 AMAQI
10th Sep 2025537 AMAQI
10th Sep 2025368 AMAQI
10th Sep 2025429 AMAQI
10th Sep 20253410 AMAQI
10th Sep 20253211 AMAQI
10th Sep 20253412 PMAQI
10th Sep 2025341 PMAQI
10th Sep 2025332 PMAQI
10th Sep 2025373 PMAQI
10th Sep 2025334 PMAQI
10th Sep 2025375 PMAQI
10th Sep 2025316 PMAQI
10th Sep 2025457 PMAQI
10th Sep 2025498 PMAQI
10th Sep 2025489 PMAQI
10th Sep 20254710 PMAQI
10th Sep 20254711 PMAQI
11th Sep 20255012 AMAQI
11th Sep 2025531 AMAQI
11th Sep 2025542 AMAQI
11th Sep 2025533 AMAQI
11th Sep 2025534 AMAQI
11th Sep 2025525 AMAQI

27°C24/33°C

11th Sep 2025536 AMAQI
11th Sep 2025537 AMAQI
11th Sep 2025368 AMAQI
11th Sep 2025389 AMAQI
11th Sep 20254310 AMAQI
11th Sep 20253911 AMAQI
11th Sep 20254412 PMAQI
11th Sep 2025451 PMAQI
11th Sep 2025422 PMAQI
11th Sep 2025373 PMAQI
11th Sep 2025354 PMAQI
11th Sep 2025335 PMAQI
11th Sep 2025376 PMAQI
11th Sep 2025487 PMAQI
11th Sep 2025548 PMAQI
11th Sep 2025519 PMAQI
11th Sep 20255010 PMAQI
11th Sep 20255111 PMAQI
12th Sep 20255112 AMAQI
12th Sep 2025541 AMAQI
12th Sep 2025532 AMAQI
12th Sep 2025533 AMAQI
12th Sep 2025534 AMAQI
12th Sep 2025535 AMAQI

27°C24/33°C

12th Sep 2025536 AMAQI
12th Sep 2025527 AMAQI
12th Sep 2025528 AMAQI
12th Sep 2025559 AMAQI
12th Sep 20255410 AMAQI
12th Sep 20255011 AMAQI
12th Sep 20254912 PMAQI
12th Sep 2025431 PMAQI
12th Sep 2025402 PMAQI
12th Sep 2025393 PMAQI
12th Sep 2025364 PMAQI
12th Sep 2025385 PMAQI
12th Sep 2025406 PMAQI
12th Sep 2025507 PMAQI
12th Sep 2025568 PMAQI
12th Sep 2025549 PMAQI
12th Sep 20254810 PMAQI
12th Sep 20254911 PMAQI
13th Sep 20255212 AMAQI
13th Sep 2025531 AMAQI
13th Sep 2025532 AMAQI
13th Sep 2025523 AMAQI
13th Sep 2025534 AMAQI
13th Sep 2025525 AMAQI

28°C24/34°C

13th Sep 2025536 AMAQI
13th Sep 2025527 AMAQI
13th Sep 2025568 AMAQI
13th Sep 2025569 AMAQI
13th Sep 20255510 AMAQI
13th Sep 20255111 AMAQI
13th Sep 20254412 PMAQI
13th Sep 2025481 PMAQI
13th Sep 2025432 PMAQI
13th Sep 2025373 PMAQI
13th Sep 2025344 PMAQI
13th Sep 2025385 PMAQI
13th Sep 2025426 PMAQI
13th Sep 2025477 PMAQI
13th Sep 2025558 PMAQI
13th Sep 2025559 PMAQI
13th Sep 20255810 PMAQI
13th Sep 20255311 PMAQI
14th Sep 20255212 AMAQI
14th Sep 2025511 AMAQI
14th Sep 2025532 AMAQI
14th Sep 2025523 AMAQI
14th Sep 2025534 AMAQI
14th Sep 2025525 AMAQI

29°C24/34°C

14th Sep 2025526 AMAQI
14th Sep 2025537 AMAQI
14th Sep 2025558 AMAQI
14th Sep 2025569 AMAQI
14th Sep 20255810 AMAQI
14th Sep 20255711 AMAQI
14th Sep 20255512 PMAQI
14th Sep 2025531 PMAQI
14th Sep 2025542 PMAQI
14th Sep 2025453 PMAQI
14th Sep 2025474 PMAQI
14th Sep 2025465 PMAQI
14th Sep 2025496 PMAQI
14th Sep 2025557 PMAQI
14th Sep 2025588 PMAQI
14th Sep 2025569 PMAQI
14th Sep 20255610 PMAQI
14th Sep 20255811 PMAQI
15th Sep 20255512 AMAQI
15th Sep 2025531 AMAQI
15th Sep 2025522 AMAQI
15th Sep 2025533 AMAQI
15th Sep 2025544 AMAQI
15th Sep 2025545 AMAQI

28°C24/34°C

15th Sep 2025546 AMAQI
15th Sep 2025547 AMAQI
15th Sep 2025608 AMAQI
15th Sep 2025619 AMAQI
15th Sep 20255910 AMAQI
15th Sep 20255911 AMAQI
15th Sep 20255412 PMAQI
15th Sep 2025471 PMAQI
15th Sep 2025462 PMAQI
15th Sep 2025433 PMAQI
15th Sep 2025474 PMAQI
15th Sep 2025445 PMAQI
15th Sep 2025446 PMAQI
15th Sep 2025487 PMAQI
15th Sep 2025518 PMAQI
15th Sep 2025549 PMAQI
15th Sep 20255210 PMAQI
15th Sep 20255211 PMAQI
16th Sep 20255312 AMAQI
16th Sep 2025541 AMAQI
16th Sep 2025542 AMAQI
16th Sep 2025543 AMAQI
16th Sep 2025544 AMAQI
16th Sep 2025545 AMAQI

28°C23/34°C

16th Sep 2025556 AMAQI
16th Sep 2025547 AMAQI
16th Sep 2025468 AMAQI
16th Sep 2025509 AMAQI
16th Sep 20254510 AMAQI
16th Sep 20254811 AMAQI
16th Sep 20254412 PMAQI
16th Sep 2025421 PMAQI
16th Sep 2025382 PMAQI
16th Sep 2025333 PMAQI
16th Sep 2025404 PMAQI
16th Sep 2025385 PMAQI
16th Sep 2025506 PMAQI
16th Sep 2025527 PMAQI
16th Sep 2025548 PMAQI
16th Sep 2025539 PMAQI
16th Sep 20255310 PMAQI
16th Sep 20255311 PMAQI
17th Sep 20255212 AMAQI
17th Sep 2025531 AMAQI
17th Sep 2025542 AMAQI
17th Sep 2025543 AMAQI
17th Sep 2025534 AMAQI
17th Sep 2025535 AMAQI

28°C22/35°C

17th Sep 2025546 AMAQI
17th Sep 2025537 AMAQI
17th Sep 2025518 AMAQI
17th Sep 2025549 AMAQI
17th Sep 20255810 AMAQI
17th Sep 20255511 AMAQI
17th Sep 20255512 PMAQI
17th Sep 2025561 PMAQI
17th Sep 2025512 PMAQI
17th Sep 2025493 PMAQI
17th Sep 2025514 PMAQI
17th Sep 2025525 PMAQI
17th Sep 2025496 PMAQI
17th Sep 2025517 PMAQI
17th Sep 2025568 PMAQI
17th Sep 2025549 PMAQI
17th Sep 20255310 PMAQI
17th Sep 20255211 PMAQI
18th Sep 20255212 AMAQI
18th Sep 2025531 AMAQI
18th Sep 2025542 AMAQI
18th Sep 2025543 AMAQI
18th Sep 2025544 AMAQI
18th Sep 2025545 AMAQI

28°C23/34°C

18th Sep 2025546 AMAQI
18th Sep 2025547 AMAQI
18th Sep 2025388 AMAQI
18th Sep 2025359 AMAQI
18th Sep 20253710 AMAQI
18th Sep 20254111 AMAQI
18th Sep 20255212 PMAQI
18th Sep 2025531 PMAQI
18th Sep 2025532 PMAQI
18th Sep 2025523 PMAQI
18th Sep 2025514 PMAQI
18th Sep 2025505 PMAQI
18th Sep 2025446 PMAQI
18th Sep 2025457 PMAQI
18th Sep 2025518 PMAQI
18th Sep 2025539 PMAQI
18th Sep 20255110 PMAQI
18th Sep 20255111 PMAQI
19th Sep 20255012 AMAQI
19th Sep 2025521 AMAQI
19th Sep 2025542 AMAQI
19th Sep 2025543 AMAQI
19th Sep 2025544 AMAQI
19th Sep 2025545 AMAQI

28°C24/34°C

19th Sep 2025546 AMAQI
19th Sep 2025547 AMAQI
19th Sep 2025418 AMAQI
19th Sep 2025369 AMAQI
19th Sep 20253610 AMAQI
19th Sep 20253511 AMAQI
19th Sep 20254012 PMAQI
19th Sep 2025381 PMAQI
19th Sep 2025392 PMAQI
19th Sep 2025393 PMAQI
19th Sep 2025384 PMAQI
19th Sep 2025365 PMAQI
19th Sep 2025346 PMAQI
19th Sep 2025347 PMAQI
19th Sep 2025478 PMAQI
19th Sep 2025479 PMAQI
19th Sep 20254610 PMAQI
19th Sep 20254711 PMAQI
20th Sep 20254712 AMAQI
20th Sep 2025521 AMAQI
20th Sep 2025532 AMAQI
20th Sep 2025543 AMAQI
20th Sep 2025534 AMAQI
20th Sep 2025535 AMAQI

25°C24/27°C

20th Sep 2025536 AMAQI
20th Sep 2025527 AMAQI
20th Sep 2025268 AMAQI
20th Sep 2025179 AMAQI
20th Sep 20251710 AMAQI
20th Sep 20251811 AMAQI
20th Sep 20253012 PMAQI
20th Sep 2025301 PMAQI
20th Sep 2025302 PMAQI
20th Sep 2025303 PMAQI
20th Sep 2025304 PMAQI
20th Sep 2025315 PMAQI
20th Sep 2025336 PMAQI
20th Sep 2025367 PMAQI
20th Sep 2025488 PMAQI
20th Sep 2025479 PMAQI
20th Sep 20254710 PMAQI
20th Sep 20254711 PMAQI
21st Sep 20254712 AMAQI
21st Sep 2025521 AMAQI
21st Sep 2025522 AMAQI
21st Sep 2025513 AMAQI
21st Sep 2025494 AMAQI
21st Sep 2025495 AMAQI

24°C23/27°C

21st Sep 2025496 AMAQI
21st Sep 2025497 AMAQI
21st Sep 2025318 AMAQI
21st Sep 2025229 AMAQI
21st Sep 20252310 AMAQI
21st Sep 20252511 AMAQI
21st Sep 20253412 PMAQI
21st Sep 2025341 PMAQI
21st Sep 2025352 PMAQI
21st Sep 2025333 PMAQI
21st Sep 2025304 PMAQI
21st Sep 2025295 PMAQI
21st Sep 2025316 PMAQI
21st Sep 2025337 PMAQI
21st Sep 2025468 PMAQI
21st Sep 2025469 PMAQI
21st Sep 20254810 PMAQI
21st Sep 20254811 PMAQI
22nd Sep 20254612 AMAQI
22nd Sep 2025481 AMAQI
22nd Sep 2025492 AMAQI
22nd Sep 2025493 AMAQI
22nd Sep 2025474 AMAQI
22nd Sep 2025475 AMAQI

26°C23/29°C

22nd Sep 2025476 AMAQI
22nd Sep 2025477 AMAQI
22nd Sep 2025458 AMAQI
22nd Sep 2025459 AMAQI
22nd Sep 20254210 AMAQI
22nd Sep 20254111 AMAQI
22nd Sep 20254612 PMAQI
22nd Sep 2025471 PMAQI
22nd Sep 2025422 PMAQI
22nd Sep 2025413 PMAQI
22nd Sep 2025414 PMAQI
22nd Sep 2025415 PMAQI
22nd Sep 2025436 PMAQI
22nd Sep 2025437 PMAQI
22nd Sep 2025478 PMAQI
22nd Sep 2025479 PMAQI
22nd Sep 20254810 PMAQI
22nd Sep 20254811 PMAQI
23rd Sep 20254812 AMAQI
23rd Sep 2025491 AMAQI
23rd Sep 2025482 AMAQI
23rd Sep 2025483 AMAQI
23rd Sep 2025494 AMAQI
23rd Sep 2025485 AMAQI

27°C24/31°C

23rd Sep 2025486 AMAQI
23rd Sep 2025487 AMAQI
23rd Sep 2025508 AMAQI
23rd Sep 2025529 AMAQI
23rd Sep 20255310 AMAQI
23rd Sep 20255211 AMAQI
23rd Sep 20255212 PMAQI
23rd Sep 2025511 PMAQI
23rd Sep 2025522 PMAQI
23rd Sep 2025503 PMAQI
23rd Sep 2025514 PMAQI
23rd Sep 2025525 PMAQI
23rd Sep 2025536 PMAQI
23rd Sep 2025537 PMAQI
23rd Sep 2025538 PMAQI
23rd Sep 2025549 PMAQI
23rd Sep 20255310 PMAQI
23rd Sep 20255211 PMAQI
24th Sep 20255112 AMAQI
24th Sep 2025491 AMAQI
24th Sep 2025492 AMAQI
24th Sep 2025503 AMAQI
24th Sep 2025504 AMAQI
24th Sep 2025505 AMAQI

25°C24/27°C

24th Sep 2025506 AMAQI
24th Sep 2025507 AMAQI
24th Sep 2025308 AMAQI
24th Sep 2025239 AMAQI
24th Sep 20252210 AMAQI
24th Sep 20252111 AMAQI
24th Sep 20252812 PMAQI
24th Sep 2025291 PMAQI
24th Sep 2025292 PMAQI
24th Sep 2025293 PMAQI
24th Sep 2025294 PMAQI
24th Sep 2025285 PMAQI
24th Sep 2025286 PMAQI
24th Sep 2025317 PMAQI
24th Sep 2025428 PMAQI
24th Sep 2025449 PMAQI
24th Sep 20254410 PMAQI
24th Sep 20254411 PMAQI
25th Sep 20254512 AMAQI
25th Sep 2025481 AMAQI
25th Sep 2025502 AMAQI
25th Sep 2025493 AMAQI
25th Sep 2025484 AMAQI
25th Sep 2025485 AMAQI

25°C24/25°C

25th Sep 2025486 AMAQI
25th Sep 2025487 AMAQI
25th Sep 2025268 AMAQI
25th Sep 2025209 AMAQI
25th Sep 20252010 AMAQI
25th Sep 20252011 AMAQI
25th Sep 20252412 PMAQI
25th Sep 2025231 PMAQI
25th Sep 2025212 PMAQI
25th Sep 2025223 PMAQI
25th Sep 2025214 PMAQI
25th Sep 2025215 PMAQI
25th Sep 2025216 PMAQI
25th Sep 2025237 PMAQI
25th Sep 2025248 PMAQI
25th Sep 2025279 PMAQI
25th Sep 20252810 PMAQI
25th Sep 20252411 PMAQI
26th Sep 20252312 AMAQI
26th Sep 2025251 AMAQI
26th Sep 2025272 AMAQI
26th Sep 2025273 AMAQI
26th Sep 2025294 AMAQI
26th Sep 2025315 AMAQI

26°C24/29°C

26th Sep 2025326 AMAQI
26th Sep 2025337 AMAQI
26th Sep 2025358 AMAQI
26th Sep 2025399 AMAQI
26th Sep 20254210 AMAQI
26th Sep 20254211 AMAQI
26th Sep 20253912 PMAQI
26th Sep 2025351 PMAQI
26th Sep 2025342 PMAQI
26th Sep 2025323 PMAQI
26th Sep 2025304 PMAQI
26th Sep 2025305 PMAQI
26th Sep 2025316 PMAQI
26th Sep 2025347 PMAQI
26th Sep 2025398 PMAQI
26th Sep 2025399 PMAQI
26th Sep 20253910 PMAQI
26th Sep 20253811 PMAQI
27th Sep 20253712 AMAQI
27th Sep 2025371 AMAQI
27th Sep 2025372 AMAQI
27th Sep 2025373 AMAQI
27th Sep 2025374 AMAQI
27th Sep 2025385 AMAQI

27°C22/33°C

27th Sep 2025396 AMAQI
27th Sep 2025417 AMAQI
27th Sep 2025438 AMAQI
27th Sep 2025459 AMAQI
27th Sep 20254410 AMAQI
27th Sep 20254411 AMAQI
27th Sep 20254212 PMAQI
27th Sep 2025411 PMAQI
27th Sep 2025382 PMAQI
27th Sep 2025393 PMAQI
27th Sep 2025384 PMAQI
27th Sep 2025405 PMAQI
27th Sep 2025446 PMAQI
27th Sep 2025477 PMAQI
27th Sep 2025478 PMAQI
27th Sep 2025519 PMAQI
27th Sep 20254810 PMAQI
27th Sep 20254711 PMAQI
28th Sep 20254312 AMAQI
28th Sep 2025401 AMAQI
28th Sep 2025392 AMAQI
28th Sep 2025393 AMAQI
28th Sep 2025394 AMAQI
28th Sep 2025385 AMAQI

27°C25/32°C

28th Sep 2025406 AMAQI
28th Sep 2025427 AMAQI
28th Sep 2025438 AMAQI
28th Sep 2025449 AMAQI
28th Sep 20254410 AMAQI
28th Sep 20254511 AMAQI
28th Sep 20254412 PMAQI
28th Sep 2025411 PMAQI
28th Sep 2025382 PMAQI
28th Sep 2025363 PMAQI
28th Sep 2025374 PMAQI
28th Sep 2025395 PMAQI
28th Sep 2025386 PMAQI
28th Sep 2025417 PMAQI
28th Sep 2025458 PMAQI
28th Sep 2025449 PMAQI
28th Sep 20254210 PMAQI
28th Sep 20254611 PMAQI
29th Sep 20254612 AMAQI
29th Sep 2025461 AMAQI
29th Sep 2025482 AMAQI
29th Sep 2025453 AMAQI
29th Sep 2025454 AMAQI
29th Sep 2025445 AMAQI

27°C23/33°C

29th Sep 2025466 AMAQI
29th Sep 2025497 AMAQI
29th Sep 2025528 AMAQI
29th Sep 2025589 AMAQI
29th Sep 20255610 AMAQI
29th Sep 20254911 AMAQI
29th Sep 20255012 PMAQI
29th Sep 2025451 PMAQI
29th Sep 2025432 PMAQI
29th Sep 2025393 PMAQI
29th Sep 2025354 PMAQI
29th Sep 2025375 PMAQI
29th Sep 2025526 PMAQI
29th Sep 2025607 PMAQI
29th Sep 2025618 PMAQI
29th Sep 2025659 PMAQI
29th Sep 20256210 PMAQI
29th Sep 20255311 PMAQI
30th Sep 20254912 AMAQI
30th Sep 2025491 AMAQI
30th Sep 2025502 AMAQI
30th Sep 2025513 AMAQI
30th Sep 2025514 AMAQI
30th Sep 2025495 AMAQI

28°C24/33°C

30th Sep 2025536 AMAQI
30th Sep 2025547 AMAQI
30th Sep 2025608 AMAQI
30th Sep 2025629 AMAQI
30th Sep 20256310 AMAQI
30th Sep 20256111 AMAQI
30th Sep 20256012 PMAQI
30th Sep 2025551 PMAQI
30th Sep 2025562 PMAQI
30th Sep 2025593 PMAQI
30th Sep 2025604 PMAQI
30th Sep 2025665 PMAQI
30th Sep 2025746 PMAQI
30th Sep 2025697 PMAQI
30th Sep 2025728 PMAQI
30th Sep 2025679 PMAQI
30th Sep 20256710 PMAQI
30th Sep 20256311 PMAQI
1st Oct 20256212 AMAQI
1st Oct 2025621 AMAQI
1st Oct 2025622 AMAQI
1st Oct 2025623 AMAQI
1st Oct 2025624 AMAQI
1st Oct 2025605 AMAQI

28°C24/33°C

1st Oct 2025596 AMAQI
1st Oct 2025597 AMAQI
1st Oct 2025598 AMAQI
1st Oct 2025639 AMAQI
1st Oct 20256610 AMAQI
1st Oct 20256911 AMAQI
1st Oct 20257312 PMAQI
1st Oct 2025771 PMAQI
1st Oct 2025762 PMAQI
1st Oct 2025763 PMAQI
1st Oct 2025754 PMAQI
1st Oct 2025745 PMAQI
1st Oct 2025736 PMAQI
1st Oct 2025777 PMAQI
1st Oct 2025798 PMAQI
1st Oct 2025789 PMAQI
1st Oct 20257910 PMAQI
1st Oct 20257311 PMAQI
2nd Oct 20256512 AMAQI
2nd Oct 2025631 AMAQI
2nd Oct 2025612 AMAQI
2nd Oct 2025623 AMAQI
2nd Oct 2025644 AMAQI
2nd Oct 2025645 AMAQI

28°C24/34°C

2nd Oct 2025646 AMAQI
2nd Oct 2025647 AMAQI
2nd Oct 2025678 AMAQI
2nd Oct 2025669 AMAQI
2nd Oct 20256610 AMAQI
2nd Oct 20256611 AMAQI
2nd Oct 20256212 PMAQI
2nd Oct 2025571 PMAQI
2nd Oct 2025552 PMAQI
2nd Oct 2025533 PMAQI
2nd Oct 2025524 PMAQI
2nd Oct 2025505 PMAQI
2nd Oct 2025466 PMAQI
2nd Oct 2025517 PMAQI
2nd Oct 2025598 PMAQI
2nd Oct 2025609 PMAQI
2nd Oct 20256110 PMAQI
2nd Oct 20256311 PMAQI
3rd Oct 20255912 AMAQI
3rd Oct 2025561 AMAQI
3rd Oct 2025562 AMAQI
3rd Oct 2025543 AMAQI
3rd Oct 2025554 AMAQI
3rd Oct 2025585 AMAQI

27°C23/32°C

3rd Oct 2025606 AMAQI
3rd Oct 2025597 AMAQI
3rd Oct 2025608 AMAQI
3rd Oct 2025599 AMAQI
3rd Oct 20255610 AMAQI
3rd Oct 20255611 AMAQI
3rd Oct 20255712 PMAQI
3rd Oct 2025571 PMAQI
3rd Oct 2025582 PMAQI
3rd Oct 2025543 PMAQI
3rd Oct 2025544 PMAQI
3rd Oct 2025565 PMAQI
3rd Oct 2025566 PMAQI
3rd Oct 2025527 PMAQI
3rd Oct 2025738 PMAQI
3rd Oct 2025719 PMAQI
3rd Oct 20257410 PMAQI
3rd Oct 20257111 PMAQI
4th Oct 20257412 AMAQI
4th Oct 2025681 AMAQI
4th Oct 2025702 AMAQI
4th Oct 2025713 AMAQI
4th Oct 2025704 AMAQI
4th Oct 2025715 AMAQI

28°C24/33°C

4th Oct 2025736 AMAQI
4th Oct 2025727 AMAQI
4th Oct 2025738 AMAQI
4th Oct 2025749 AMAQI
4th Oct 20257910 AMAQI
4th Oct 20257411 AMAQI
4th Oct 20257712 PMAQI
4th Oct 2025801 PMAQI
4th Oct 2025802 PMAQI
4th Oct 2025793 PMAQI
4th Oct 2025794 PMAQI
4th Oct 2025735 PMAQI
4th Oct 2025626 PMAQI
4th Oct 2025627 PMAQI
4th Oct 2025658 PMAQI
4th Oct 2025689 PMAQI
4th Oct 20256710 PMAQI
4th Oct 20256311 PMAQI
5th Oct 20256012 AMAQI
5th Oct 2025581 AMAQI
5th Oct 2025542 AMAQI
5th Oct 2025533 AMAQI
5th Oct 2025564 AMAQI
5th Oct 2025605 AMAQI

27°C23/34°C

5th Oct 2025666 AMAQI
5th Oct 2025657 AMAQI
5th Oct 2025688 AMAQI
5th Oct 2025649 AMAQI
5th Oct 20256410 AMAQI
5th Oct 20256411 AMAQI
5th Oct 20255912 PMAQI
5th Oct 2025591 PMAQI
5th Oct 2025542 PMAQI
5th Oct 2025493 PMAQI
5th Oct 2025514 PMAQI
5th Oct 2025515 PMAQI
5th Oct 2025526 PMAQI
5th Oct 2025527 PMAQI
5th Oct 2025528 PMAQI
5th Oct 2025539 PMAQI
5th Oct 20254810 PMAQI
5th Oct 20255011 PMAQI
6th Oct 20255012 AMAQI
6th Oct 2025501 AMAQI
6th Oct 2025562 AMAQI
6th Oct 2025573 AMAQI
6th Oct 2025564 AMAQI
6th Oct 2025565 AMAQI

26°C23/32°C

6th Oct 2025556 AMAQI
6 AM
6th Oct 2025557 AMAQI
6th Oct 2025548 AMAQI
6th Oct 2025559 AMAQI
6th Oct 20255510 AMAQI
6th Oct 20255711 AMAQI
6th Oct 20255812 PMAQI
12 PM
6th Oct 2025591 PMAQI
6 PM
12 AM
5 AM

--°C/°C

Day time
Avg. Highest Time
6 AM - 7 AM

53AQI

2 hours / Day
60 hours / Month
Avg. Lowest Time
3 PM - 6 PM

44AQI

4 hours / Day
120 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 6 AM to 7 AM (Avg. 53), while the lowest AQI was between 3 PM to 6 PM (Avg. 44).
Night time
Avg. Highest Time
8 PM - 11 PM

53AQI

4 hours / Day
120 hours / Month
Avg. Lowest Time
7 PM

48AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 8 PM to 11 PM (Avg. 53), while the lowest AQI was between 7 PM to 7 PM (Avg. 48).

2025 Days Vs Air Quality

Heyuan, Guangdong, China

2025

30%

83

63%

176

7%

19

Total number of days with different AQI categories in last 279 days in 2025 (86 days remaining)

Good
83 Days
Moderate
176 Days
Poor
19 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 30%

Health Risk Level:

High

In 2025, 30% of 279 days were within WHO’s safe air quality limits. The risk of health issues is High, with respiratory problems, heart disease, skin issues, and stress being more common, particularly among children and the elderly.

Annual Air Quality Insights

Heyuan, Guangdong, China

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
125AQI
2nd January 2025
116AQI
3rd January 2025
111AQI
4th January 2025
106AQI
5th January 2025
117AQI
6th January 2025
127AQI
7th January 2025
128AQI
8th January 2025
124AQI
9th January 2025
106AQI
10th January 2025
85AQI
11th January 2025
85AQI
12th January 2025
76AQI
13th January 2025
78AQI
14th January 2025
82AQI
15th January 2025
87AQI
16th January 2025
90AQI
17th January 2025
75AQI
18th January 2025
81AQI
19th January 2025
81AQI
20th January 2025
83AQI
21st January 2025
89AQI
22nd January 2025
84AQI
23rd January 2025
84AQI
24th January 2025
89AQI
25th January 2025
72AQI
26th January 2025
48AQI
27th January 2025
61AQI
28th January 2025
66AQI
29th January 2025
112AQI
30th January 2025
100AQI
31st January 2025
101AQI
1st February 2025
93AQI
2nd February 2025
77AQI
3rd February 2025
45AQI
4th February 2025
69AQI
5th February 2025
67AQI
6th February 2025
72AQI
7th February 2025
56AQI
8th February 2025
65AQI
9th February 2025
54AQI
10th February 2025
68AQI
11th February 2025
79AQI
12th February 2025
74AQI
13th February 2025
77AQI
14th February 2025
83AQI
15th February 2025
78AQI
16th February 2025
102AQI
17th February 2025
74AQI
18th February 2025
75AQI
19th February 2025
79AQI
20th February 2025
81AQI
21st February 2025
54AQI
22nd February 2025
70AQI
23rd February 2025
40AQI
24th February 2025
59AQI
25th February 2025
66AQI
26th February 2025
84AQI
27th February 2025
89AQI
28th February 2025
81AQI
1st March 2025
69AQI
2nd March 2025
66AQI
3rd March 2025
74AQI
4th March 2025
58AQI
5th March 2025
43AQI
6th March 2025
39AQI
7th March 2025
54AQI
8th March 2025
60AQI
9th March 2025
64AQI
10th March 2025
76AQI
11th March 2025
65AQI
12th March 2025
63AQI
13th March 2025
64AQI
14th March 2025
64AQI
15th March 2025
51AQI
16th March 2025
45AQI
17th March 2025
75AQI
18th March 2025
66AQI
19th March 2025
70AQI
20th March 2025
72AQI
21st March 2025
76AQI
22nd March 2025
84AQI
23rd March 2025
91AQI
24th March 2025
107AQI
25th March 2025
115AQI
26th March 2025
97AQI
27th March 2025
85AQI
28th March 2025
87AQI
29th March 2025
48AQI
30th March 2025
38AQI
31st March 2025
32AQI
1st April 2025
56AQI
2nd April 2025
61AQI
3rd April 2025
69AQI
4th April 2025
76AQI
5th April 2025
64AQI
6th April 2025
84AQI
7th April 2025
84AQI
8th April 2025
96AQI
9th April 2025
102AQI
10th April 2025
91AQI
11th April 2025
89AQI
12th April 2025
85AQI
13th April 2025
147AQI
14th April 2025
120AQI
15th April 2025
114AQI
16th April 2025
105AQI
17th April 2025
91AQI
18th April 2025
85AQI
19th April 2025
79AQI
20th April 2025
83AQI
21st April 2025
70AQI
22nd April 2025
75AQI
23rd April 2025
75AQI
24th April 2025
63AQI
25th April 2025
46AQI
26th April 2025
55AQI
27th April 2025
63AQI
28th April 2025
53AQI
29th April 2025
67AQI
30th April 2025
75AQI
1st May 2025
72AQI
2nd May 2025
75AQI
3rd May 2025
84AQI
4th May 2025
76AQI
5th May 2025
75AQI
6th May 2025
62AQI
7th May 2025
58AQI
8th May 2025
60AQI
9th May 2025
50AQI
10th May 2025
57AQI
11th May 2025
55AQI
12th May 2025
63AQI
13th May 2025
68AQI
14th May 2025
64AQI
15th May 2025
58AQI
16th May 2025
52AQI
17th May 2025
56AQI
18th May 2025
60AQI
19th May 2025
57AQI
20th May 2025
51AQI
21st May 2025
58AQI
22nd May 2025
58AQI
23rd May 2025
57AQI
24th May 2025
56AQI
25th May 2025
82AQI
26th May 2025
87AQI
27th May 2025
81AQI
28th May 2025
72AQI
29th May 2025
51AQI
30th May 2025
53AQI
31st May 2025
56AQI
1st June 2025
60AQI
2nd June 2025
60AQI
3rd June 2025
47AQI
4th June 2025
63AQI
5th June 2025
56AQI
6th June 2025
65AQI
7th June 2025
67AQI
8th June 2025
62AQI
9th June 2025
64AQI
10th June 2025
58AQI
11th June 2025
51AQI
12th June 2025
49AQI
13th June 2025
44AQI
14th June 2025
41AQI
15th June 2025
47AQI
16th June 2025
40AQI
17th June 2025
36AQI
18th June 2025
42AQI
19th June 2025
42AQI
20th June 2025
37AQI
21st June 2025
37AQI
22nd June 2025
36AQI
23rd June 2025
44AQI
24th June 2025
44AQI
25th June 2025
45AQI
26th June 2025
39AQI
27th June 2025
36AQI
28th June 2025
37AQI
29th June 2025
36AQI
30th June 2025
33AQI
1st July 2025
34AQI
2nd July 2025
39AQI
3rd July 2025
45AQI
4th July 2025
54AQI
5th July 2025
55AQI
6th July 2025
53AQI
7th July 2025
61AQI
8th July 2025
58AQI
9th July 2025
60AQI
10th July 2025
52AQI
11th July 2025
42AQI
12th July 2025
47AQI
13th July 2025
52AQI
14th July 2025
58AQI
15th July 2025
58AQI
16th July 2025
59AQI
17th July 2025
66AQI
18th July 2025
68AQI
19th July 2025
55AQI
20th July 2025
41AQI
21st July 2025
39AQI
22nd July 2025
36AQI
23rd July 2025
38AQI
24th July 2025
46AQI
25th July 2025
47AQI
26th July 2025
53AQI
27th July 2025
65AQI
28th July 2025
53AQI
29th July 2025
58AQI
30th July 2025
58AQI
31st July 2025
53AQI
1st August 2025
57AQI
2nd August 2025
51AQI
3rd August 2025
49AQI
4th August 2025
43AQI
5th August 2025
43AQI
6th August 2025
40AQI
7th August 2025
47AQI
8th August 2025
50AQI
9th August 2025
59AQI
10th August 2025
51AQI
11th August 2025
50AQI
12th August 2025
57AQI
13th August 2025
57AQI
14th August 2025
44AQI
15th August 2025
42AQI
16th August 2025
47AQI
17th August 2025
47AQI
18th August 2025
41AQI
19th August 2025
38AQI
20th August 2025
41AQI
21st August 2025
45AQI
22nd August 2025
48AQI
23rd August 2025
51AQI
24th August 2025
46AQI
25th August 2025
47AQI
26th August 2025
48AQI
27th August 2025
51AQI
28th August 2025
52AQI
29th August 2025
52AQI
30th August 2025
49AQI
31st August 2025
51AQI
1st September 2025
52AQI
2nd September 2025
54AQI
3rd September 2025
55AQI
4th September 2025
64AQI
5th September 2025
62AQI
6th September 2025
65AQI
7th September 2025
59AQI
8th September 2025
44AQI
9th September 2025
44AQI
10th September 2025
45AQI
11th September 2025
47AQI
12th September 2025
50AQI
13th September 2025
50AQI
14th September 2025
52AQI
15th September 2025
48AQI
16th September 2025
49AQI
17th September 2025
52AQI
18th September 2025
49AQI
19th September 2025
38AQI
20th September 2025
34AQI
21st September 2025
33AQI
22nd September 2025
42AQI
23rd September 2025
50AQI
24th September 2025
32AQI
25th September 2025
27AQI
26th September 2025
30AQI
27th September 2025
39AQI
28th September 2025
42AQI
29th September 2025
44AQI
30th September 2025
52AQI
1st October 2025
64AQI
2nd October 2025
55AQI
3rd October 2025
60AQI
4th October 2025
64AQI
5th October 2025
48AQI
6th October 2025
7th October 2025
8th October 2025
9th October 2025
10th October 2025
11th October 2025
12th October 2025
13th October 2025
14th October 2025
15th October 2025
16th October 2025
17th October 2025
18th October 2025
19th October 2025
20th October 2025
21st October 2025
22nd October 2025
23rd October 2025
24th October 2025
25th October 2025
26th October 2025
27th October 2025
28th October 2025
29th October 2025
30th October 2025
31st October 2025
1st November 2025
2nd November 2025
3rd November 2025
4th November 2025
5th November 2025
6th November 2025
7th November 2025
8th November 2025
9th November 2025
10th November 2025
11th November 2025
12th November 2025
13th November 2025
14th November 2025
15th November 2025
16th November 2025
17th November 2025
18th November 2025
19th November 2025
20th November 2025
21st November 2025
22nd November 2025
23rd November 2025
24th November 2025
25th November 2025
26th November 2025
27th November 2025
28th November 2025
29th November 2025
30th November 2025
1st December 2025
2nd December 2025
3rd December 2025
4th December 2025
5th December 2025
6th December 2025
7th December 2025
8th December 2025
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

93AQI

72AQI

68AQI

81AQI

63AQI

47AQI

52AQI

48AQI

47AQI

58AQI

No. of days

Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days

202563AQI

1
19
11
2
25
1
6
23
2
1
24
5
1
30
20
10
11
20
20
11
20
10
1
4
83
176
19

Highest AQI recorded in

January

93AQI

Lowest AQI recorded in

September

47AQI

202464AQI

2
23
4
2
11
14
4
3
25
3
12
15
3
10
21
25
5
20
11
10
21
18
12
2
29
6
22
2
15
16
119
213
32
2

Highest AQI recorded in

December

100AQI

Lowest AQI recorded in

June

43AQI

202366AQI

4
19
6
2
6
16
6
6
19
6
5
25
4
27
19
11
20
11
12
19
13
17
6
23
2
4
18
7
3
25
3
102
230
30
2

Highest AQI recorded in

January

85AQI

Lowest AQI recorded in

June

43AQI

202261AQI

6
17
8
11
10
1
5
24
2
8
21
1
17
14
30
17
6
1
1
1
1
24
4
5
25
1
12
17
1
7
19
4
1
120
178
23
1

Highest AQI recorded in

September

79AQI

Lowest AQI recorded in

June

34AQI

202170AQI

15
16
4
22
2
2
24
5
2
27
1
13
15
3
20
10
7
24
12
9
14
14
2
8
22
1
3
27
1
22
8
86
231
38

Highest AQI recorded in

January

103AQI

Lowest AQI recorded in

June

47AQI

202067AQI

3
10
4
13
4
8
10
26
4
21
10
21
10
13
15
2
2
23
6
1
20
9
3
9
19
102
124
40

Highest AQI recorded in

December

98AQI

Lowest AQI recorded in

June

42AQI

Most & Least Polluted Years Over the Last 6 Years

Most Polluted Year Recorded
2021(Avg.)
70AQI
Least Polluted Year Recorded
2022(Avg.)
61AQI

Heyuan's annual 2025 AQI (63) shows an average percentage change of -3.7% (improved AQI) compared to previous years: 2020 (67), 2021 (70), 2022 (61), 2023 (66), 2024 (64).