Old Town, 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
Old Town, Heyuan, Guangdong, China
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
26th Oct 2023
113AQILowest AQI recorded on
7th Oct 2023
22AQISame Day Analysis (7th October ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 4th highest AQI at 37 of Good air quality, showing improvement over 2024, 2022 and 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 7th Oct - 8th Oct 2025
Old Town, Heyuan, Guangdong, China
AQI
Day
Night
.
6 AM7th Oct 2025
6 PM
5 AM8th Oct 2025
Day time
Avg. Highest Time
12AMNaNth undefined
AQI
Avg. Lowest Time
12AMNaNth undefined
AQI
Night time
Avg. Highest Time
10PM7th Oct
104AQI
Avg. Lowest Time
7PM7th Oct
39AQI
In the last 24 hours,
Old Town's AQI reached its highest point of 104 at 10 PM during the Night, while the lowest point, undefined, was recorded at 6 PM during the Day between 7th Oct and 8th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Old Town, Heyuan, Guangdong, China
SepOct
08th - 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 - 07th07th - 08th08th
Day
Night
8th Sep 2025606 AMAQI
8th Sep 2025617 AMAQI
8th Sep 2025218 AMAQI
8th Sep 2025309 AMAQI
8th Sep 20252310 AMAQI
8th Sep 20252211 AMAQI
8th Sep 20252112 PMAQI
8th Sep 2025231 PMAQI
8th Sep 2025322 PMAQI
8th Sep 2025303 PMAQI
8th Sep 2025304 PMAQI
8th Sep 2025265 PMAQI
8th Sep 2025256 PMAQI
8th Sep 2025457 PMAQI
8th Sep 2025528 PMAQI
8th Sep 2025509 PMAQI
8th Sep 20255010 PMAQI
8th Sep 20255211 PMAQI
9th Sep 20255212 AMAQI
9th Sep 2025621 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 2025288 AMAQI
9th Sep 2025289 AMAQI
9th Sep 20252710 AMAQI
9th Sep 20252611 AMAQI
9th Sep 20253212 PMAQI
9th Sep 2025331 PMAQI
9th Sep 2025282 PMAQI
9th Sep 2025263 PMAQI
9th Sep 2025314 PMAQI
9th Sep 2025305 PMAQI
9th Sep 2025286 PMAQI
9th Sep 2025447 PMAQI
9th Sep 2025528 PMAQI
9th Sep 2025509 PMAQI
9th Sep 20255010 PMAQI
9th Sep 20254911 PMAQI
10th Sep 20255212 AMAQI
10th Sep 2025541 AMAQI
10th Sep 2025562 AMAQI
10th Sep 2025543 AMAQI
10th Sep 2025544 AMAQI
10th Sep 2025545 AMAQI
26°C24/30°C
10th Sep 2025536 AMAQI
10th Sep 2025547 AMAQI
10th Sep 2025348 AMAQI
10th Sep 2025389 AMAQI
10th Sep 20253610 AMAQI
10th Sep 20252811 AMAQI
10th Sep 20253112 PMAQI
10th Sep 2025321 PMAQI
10th Sep 2025332 PMAQI
10th Sep 2025343 PMAQI
10th Sep 2025304 PMAQI
10th Sep 2025405 PMAQI
10th Sep 2025326 PMAQI
10th Sep 2025487 PMAQI
10th Sep 2025508 PMAQI
10th Sep 2025449 PMAQI
10th Sep 20254810 PMAQI
10th Sep 20254511 PMAQI
11th Sep 20254812 AMAQI
11th Sep 2025521 AMAQI
11th Sep 2025542 AMAQI
11th Sep 2025533 AMAQI
11th Sep 2025524 AMAQI
11th Sep 2025525 AMAQI
27°C24/33°C
11th Sep 2025526 AMAQI
11th Sep 2025537 AMAQI
11th Sep 2025368 AMAQI
11th Sep 2025389 AMAQI
11th Sep 20254210 AMAQI
11th Sep 20253711 AMAQI
11th Sep 20254512 PMAQI
11th Sep 2025431 PMAQI
11th Sep 2025402 PMAQI
11th Sep 2025373 PMAQI
11th Sep 2025394 PMAQI
11th Sep 2025385 PMAQI
11th Sep 2025436 PMAQI
11th Sep 2025497 PMAQI
11th Sep 2025558 PMAQI
11th Sep 2025529 PMAQI
11th Sep 20255010 PMAQI
11th Sep 20255011 PMAQI
12th Sep 20254912 AMAQI
12th Sep 2025531 AMAQI
12th Sep 2025532 AMAQI
12th Sep 2025533 AMAQI
12th Sep 2025544 AMAQI
12th Sep 2025535 AMAQI
27°C24/33°C
12th Sep 2025536 AMAQI
12th Sep 2025527 AMAQI
12th Sep 2025508 AMAQI
12th Sep 2025549 AMAQI
12th Sep 20255210 AMAQI
12th Sep 20255011 AMAQI
12th Sep 20254912 PMAQI
12th Sep 2025401 PMAQI
12th Sep 2025392 PMAQI
12th Sep 2025383 PMAQI
12th Sep 2025354 PMAQI
12th Sep 2025365 PMAQI
12th Sep 2025426 PMAQI
12th Sep 2025547 PMAQI
12th Sep 2025638 PMAQI
12th Sep 2025569 PMAQI
12th Sep 20255010 PMAQI
12th Sep 20254911 PMAQI
13th Sep 20255212 AMAQI
13th Sep 2025521 AMAQI
13th Sep 2025532 AMAQI
13th Sep 2025523 AMAQI
13th Sep 2025524 AMAQI
13th Sep 2025525 AMAQI
28°C24/34°C
13th Sep 2025526 AMAQI
13th Sep 2025527 AMAQI
13th Sep 2025588 AMAQI
13th Sep 2025599 AMAQI
13th Sep 20255410 AMAQI
13th Sep 20255211 AMAQI
13th Sep 20254412 PMAQI
13th Sep 2025451 PMAQI
13th Sep 2025452 PMAQI
13th Sep 2025363 PMAQI
13th Sep 2025384 PMAQI
13th Sep 2025425 PMAQI
13th Sep 2025416 PMAQI
13th Sep 2025507 PMAQI
13th Sep 2025598 PMAQI
13th Sep 2025569 PMAQI
13th Sep 20255910 PMAQI
13th Sep 20255111 PMAQI
14th Sep 20255112 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 2025548 AMAQI
14th Sep 2025539 AMAQI
14th Sep 20255410 AMAQI
14th Sep 20255211 AMAQI
14th Sep 20255212 PMAQI
14th Sep 2025521 PMAQI
14th Sep 2025562 PMAQI
14th Sep 2025443 PMAQI
14th Sep 2025504 PMAQI
14th Sep 2025435 PMAQI
14th Sep 2025486 PMAQI
14th Sep 2025567 PMAQI
14th Sep 2025608 PMAQI
14th Sep 2025569 PMAQI
14th Sep 20255610 PMAQI
14th Sep 20255811 PMAQI
15th Sep 20255312 AMAQI
15th Sep 2025531 AMAQI
15th Sep 2025522 AMAQI
15th Sep 2025523 AMAQI
15th Sep 2025534 AMAQI
15th Sep 2025535 AMAQI
28°C24/34°C
15th Sep 2025546 AMAQI
15th Sep 2025547 AMAQI
15th Sep 2025508 AMAQI
15th Sep 2025589 AMAQI
15th Sep 20255710 AMAQI
15th Sep 20255811 AMAQI
15th Sep 20255112 PMAQI
15th Sep 2025351 PMAQI
15th Sep 2025332 PMAQI
15th Sep 2025353 PMAQI
15th Sep 2025374 PMAQI
15th Sep 2025435 PMAQI
15th Sep 2025486 PMAQI
15th Sep 2025347 PMAQI
15th Sep 2025458 PMAQI
15th Sep 2025529 PMAQI
15th Sep 20255010 PMAQI
15th Sep 20254711 PMAQI
16th Sep 20255212 AMAQI
16th Sep 2025541 AMAQI
16th Sep 2025542 AMAQI
16th Sep 2025533 AMAQI
16th Sep 2025534 AMAQI
16th Sep 2025545 AMAQI
28°C23/34°C
16th Sep 2025546 AMAQI
16th Sep 2025537 AMAQI
16th Sep 2025488 AMAQI
16th Sep 2025539 AMAQI
16th Sep 20254610 AMAQI
16th Sep 20254911 AMAQI
16th Sep 20253612 PMAQI
16th Sep 2025231 PMAQI
16th Sep 2025262 PMAQI
16th Sep 2025323 PMAQI
16th Sep 2025454 PMAQI
16th Sep 2025485 PMAQI
16th Sep 2025606 PMAQI
16th Sep 2025567 PMAQI
16th Sep 2025548 PMAQI
16th Sep 2025559 PMAQI
16th Sep 20254910 PMAQI
16th Sep 20254611 PMAQI
17th Sep 20254712 AMAQI
17th Sep 2025521 AMAQI
17th Sep 2025532 AMAQI
17th Sep 2025523 AMAQI
17th Sep 2025524 AMAQI
17th Sep 2025525 AMAQI
28°C22/35°C
17th Sep 2025526 AMAQI
17th Sep 2025527 AMAQI
17th Sep 2025478 AMAQI
17th Sep 2025409 AMAQI
17th Sep 20255210 AMAQI
17th Sep 20255611 AMAQI
17th Sep 20255312 PMAQI
17th Sep 2025601 PMAQI
17th Sep 2025532 PMAQI
17th Sep 2025543 PMAQI
17th Sep 2025544 PMAQI
17th Sep 2025525 PMAQI
17th Sep 2025466 PMAQI
17th Sep 2025527 PMAQI
17th Sep 2025588 PMAQI
17th Sep 2025509 PMAQI
17th Sep 20254410 PMAQI
17th Sep 20254111 PMAQI
18th Sep 20254412 AMAQI
18th Sep 2025521 AMAQI
18th Sep 2025522 AMAQI
18th Sep 2025523 AMAQI
18th Sep 2025534 AMAQI
18th Sep 2025535 AMAQI
28°C23/34°C
18th Sep 2025526 AMAQI
18th Sep 2025527 AMAQI
18th Sep 2025298 AMAQI
18th Sep 2025329 AMAQI
18th Sep 20254810 AMAQI
18th Sep 20255311 AMAQI
18th Sep 20255712 PMAQI
18th Sep 2025501 PMAQI
18th Sep 2025562 PMAQI
18th Sep 2025583 PMAQI
18th Sep 2025544 PMAQI
18th Sep 2025555 PMAQI
18th Sep 2025426 PMAQI
18th Sep 2025347 PMAQI
18th Sep 2025408 PMAQI
18th Sep 2025509 PMAQI
18th Sep 20254910 PMAQI
18th Sep 20254711 PMAQI
19th Sep 20253912 AMAQI
19th Sep 2025521 AMAQI
19th Sep 2025522 AMAQI
19th Sep 2025523 AMAQI
19th Sep 2025524 AMAQI
19th Sep 2025525 AMAQI
28°C24/34°C
19th Sep 2025526 AMAQI
19th Sep 2025527 AMAQI
19th Sep 2025408 AMAQI
19th Sep 2025399 AMAQI
19th Sep 20253810 AMAQI
19th Sep 20253911 AMAQI
19th Sep 20253012 PMAQI
19th Sep 2025301 PMAQI
19th Sep 2025322 PMAQI
19th Sep 2025313 PMAQI
19th Sep 2025284 PMAQI
19th Sep 2025245 PMAQI
19th Sep 2025216 PMAQI
19th Sep 2025247 PMAQI
19th Sep 2025368 PMAQI
19th Sep 2025349 PMAQI
19th Sep 20253410 PMAQI
19th Sep 20253311 PMAQI
20th Sep 20253512 AMAQI
20th Sep 2025511 AMAQI
20th Sep 2025522 AMAQI
20th Sep 2025523 AMAQI
20th Sep 2025494 AMAQI
20th Sep 2025505 AMAQI
25°C24/27°C
20th Sep 2025506 AMAQI
20th Sep 2025497 AMAQI
20th Sep 2025248 AMAQI
20th Sep 2025179 AMAQI
20th Sep 20251610 AMAQI
20th Sep 20251811 AMAQI
20th Sep 20252412 PMAQI
20th Sep 2025221 PMAQI
20th Sep 2025212 PMAQI
20th Sep 2025193 PMAQI
20th Sep 2025174 PMAQI
20th Sep 2025205 PMAQI
20th Sep 2025236 PMAQI
20th Sep 2025307 PMAQI
20th Sep 2025428 PMAQI
20th Sep 2025409 PMAQI
20th Sep 20253510 PMAQI
20th Sep 20253411 PMAQI
21st Sep 20253512 AMAQI
21st Sep 2025501 AMAQI
21st Sep 2025502 AMAQI
21st Sep 2025483 AMAQI
21st Sep 2025434 AMAQI
21st Sep 2025425 AMAQI
24°C23/27°C
21st Sep 2025426 AMAQI
21st Sep 2025427 AMAQI
21st Sep 2025238 AMAQI
21st Sep 2025179 AMAQI
21st Sep 20251710 AMAQI
21st Sep 20252411 AMAQI
21st Sep 20252812 PMAQI
21st Sep 2025331 PMAQI
21st Sep 2025302 PMAQI
21st Sep 2025263 PMAQI
21st Sep 2025204 PMAQI
21st Sep 2025175 PMAQI
21st Sep 2025206 PMAQI
21st Sep 2025237 PMAQI
21st Sep 2025388 PMAQI
21st Sep 2025389 PMAQI
21st Sep 20254110 PMAQI
21st Sep 20254211 PMAQI
22nd Sep 20253712 AMAQI
22nd Sep 2025441 AMAQI
22nd Sep 2025442 AMAQI
22nd Sep 2025433 AMAQI
22nd Sep 2025394 AMAQI
22nd Sep 2025385 AMAQI
26°C23/29°C
22nd Sep 2025396 AMAQI
22nd Sep 2025387 AMAQI
22nd Sep 2025528 AMAQI
22nd Sep 2025559 AMAQI
22nd Sep 20255010 AMAQI
22nd Sep 20254311 AMAQI
22nd Sep 20255112 PMAQI
22nd Sep 2025521 PMAQI
22nd Sep 2025432 PMAQI
22nd Sep 2025403 PMAQI
22nd Sep 2025404 PMAQI
22nd Sep 2025365 PMAQI
22nd Sep 2025396 PMAQI
22nd Sep 2025317 PMAQI
22nd Sep 2025438 PMAQI
22nd Sep 2025349 PMAQI
22nd Sep 20253610 PMAQI
22nd Sep 20253411 PMAQI
23rd Sep 20253612 AMAQI
23rd Sep 2025401 AMAQI
23rd Sep 2025422 AMAQI
23rd Sep 2025423 AMAQI
23rd Sep 2025444 AMAQI
23rd Sep 2025435 AMAQI
27°C24/31°C
23rd Sep 2025426 AMAQI
23rd Sep 2025437 AMAQI
23rd Sep 2025518 AMAQI
23rd Sep 2025529 AMAQI
23rd Sep 20255210 AMAQI
23rd Sep 20255211 AMAQI
23rd Sep 20255212 PMAQI
23rd Sep 2025521 PMAQI
23rd Sep 2025522 PMAQI
23rd Sep 2025523 PMAQI
23rd Sep 2025544 PMAQI
23rd Sep 2025545 PMAQI
23rd Sep 2025546 PMAQI
23rd Sep 2025547 PMAQI
23rd Sep 2025518 PMAQI
23rd Sep 2025539 PMAQI
23rd Sep 20255210 PMAQI
23rd Sep 20255111 PMAQI
24th Sep 20254612 AMAQI
24th Sep 2025441 AMAQI
24th Sep 2025422 AMAQI
24th Sep 2025463 AMAQI
24th Sep 2025464 AMAQI
24th Sep 2025465 AMAQI
25°C24/27°C
24th Sep 2025466 AMAQI
24th Sep 2025467 AMAQI
24th Sep 2025228 AMAQI
24th Sep 2025179 AMAQI
24th Sep 20251610 AMAQI
24th Sep 20251611 AMAQI
24th Sep 20251812 PMAQI
24th Sep 2025191 PMAQI
24th Sep 2025192 PMAQI
24th Sep 2025183 PMAQI
24th Sep 2025184 PMAQI
24th Sep 2025175 PMAQI
24th Sep 2025176 PMAQI
24th Sep 2025267 PMAQI
24th Sep 2025388 PMAQI
24th Sep 2025389 PMAQI
24th Sep 20253810 PMAQI
24th Sep 20253811 PMAQI
25th Sep 20253912 AMAQI
25th Sep 2025431 AMAQI
25th Sep 2025472 AMAQI
25th Sep 2025443 AMAQI
25th Sep 2025404 AMAQI
25th Sep 2025395 AMAQI
25°C24/25°C
25th Sep 2025406 AMAQI
25th Sep 2025407 AMAQI
25th Sep 2025238 AMAQI
25th Sep 2025189 AMAQI
25th Sep 20251810 AMAQI
25th Sep 20251711 AMAQI
25th Sep 20252012 PMAQI
25th Sep 2025191 PMAQI
25th Sep 2025212 PMAQI
25th Sep 2025213 PMAQI
25th Sep 2025214 PMAQI
25th Sep 2025185 PMAQI
25th Sep 2025206 PMAQI
25th Sep 2025207 PMAQI
25th Sep 2025198 PMAQI
25th Sep 2025239 PMAQI
25th Sep 20253010 PMAQI
25th Sep 20252011 PMAQI
26th Sep 20251812 AMAQI
26th Sep 2025191 AMAQI
26th Sep 2025202 AMAQI
26th Sep 2025173 AMAQI
26th Sep 2025184 AMAQI
26th Sep 2025225 AMAQI
26°C24/29°C
26th Sep 2025226 AMAQI
26th Sep 2025237 AMAQI
26th Sep 2025328 AMAQI
26th Sep 2025429 AMAQI
26th Sep 20255510 AMAQI
26th Sep 20255511 AMAQI
26th Sep 20254412 PMAQI
26th Sep 2025301 PMAQI
26th Sep 2025302 PMAQI
26th Sep 2025283 PMAQI
26th Sep 2025354 PMAQI
26th Sep 2025285 PMAQI
26th Sep 2025236 PMAQI
26th Sep 2025277 PMAQI
26th Sep 2025328 PMAQI
26th Sep 2025269 PMAQI
26th Sep 20252710 PMAQI
26th Sep 20252411 PMAQI
27th Sep 20252212 AMAQI
27th Sep 2025221 AMAQI
27th Sep 2025222 AMAQI
27th Sep 2025223 AMAQI
27th Sep 2025244 AMAQI
27th Sep 2025285 AMAQI
27°C22/33°C
27th Sep 2025286 AMAQI
27th Sep 2025307 AMAQI
27th Sep 2025338 AMAQI
27th Sep 2025339 AMAQI
27th Sep 20253610 AMAQI
27th Sep 20254411 AMAQI
27th Sep 20254412 PMAQI
27th Sep 2025441 PMAQI
27th Sep 2025462 PMAQI
27th Sep 2025503 PMAQI
27th Sep 2025514 PMAQI
27th Sep 2025545 PMAQI
27th Sep 2025586 PMAQI
27th Sep 2025587 PMAQI
27th Sep 2025618 PMAQI
27th Sep 2025699 PMAQI
27th Sep 20256310 PMAQI
27th Sep 20255511 PMAQI
28th Sep 20254512 AMAQI
28th Sep 2025421 AMAQI
28th Sep 2025392 AMAQI
28th Sep 2025403 AMAQI
28th Sep 2025414 AMAQI
28th Sep 2025335 AMAQI
27°C25/32°C
28th Sep 2025336 AMAQI
28th Sep 2025337 AMAQI
28th Sep 2025358 AMAQI
28th Sep 2025409 AMAQI
28th Sep 20254610 AMAQI
28th Sep 20255011 AMAQI
28th Sep 20255012 PMAQI
28th Sep 2025451 PMAQI
28th Sep 2025332 PMAQI
28th Sep 2025323 PMAQI
28th Sep 2025284 PMAQI
28th Sep 2025285 PMAQI
28th Sep 2025316 PMAQI
28th Sep 2025397 PMAQI
28th Sep 2025378 PMAQI
28th Sep 2025289 PMAQI
28th Sep 20252610 PMAQI
28th Sep 20252811 PMAQI
29th Sep 20252412 AMAQI
29th Sep 2025241 AMAQI
29th Sep 2025332 AMAQI
29th Sep 2025333 AMAQI
29th Sep 2025314 AMAQI
29th Sep 2025335 AMAQI
27°C23/33°C
29th Sep 2025366 AMAQI
29th Sep 2025467 AMAQI
29th Sep 2025518 AMAQI
29th Sep 2025569 AMAQI
29th Sep 20255410 AMAQI
29th Sep 20254511 AMAQI
29th Sep 20255212 PMAQI
29th Sep 2025461 PMAQI
29th Sep 2025482 PMAQI
29th Sep 2025373 PMAQI
29th Sep 2025304 PMAQI
29th Sep 2025395 PMAQI
29th Sep 2025456 PMAQI
29th Sep 2025567 PMAQI
29th Sep 2025628 PMAQI
29th Sep 2025659 PMAQI
29th Sep 20256410 PMAQI
29th Sep 20253011 PMAQI
30th Sep 20253312 AMAQI
30th Sep 2025371 AMAQI
30th Sep 2025382 AMAQI
30th Sep 2025383 AMAQI
30th Sep 2025504 AMAQI
30th Sep 2025435 AMAQI
28°C24/33°C
30th Sep 2025516 AMAQI
30th Sep 2025487 AMAQI
30th Sep 2025588 AMAQI
30th Sep 2025729 AMAQI
30th Sep 20256810 AMAQI
30th Sep 20256411 AMAQI
30th Sep 20256312 PMAQI
30th Sep 2025511 PMAQI
30th Sep 2025482 PMAQI
30th Sep 2025603 PMAQI
30th Sep 2025634 PMAQI
30th Sep 2025655 PMAQI
30th Sep 2025746 PMAQI
30th Sep 2025707 PMAQI
30th Sep 2025708 PMAQI
30th Sep 2025499 PMAQI
30th Sep 20255210 PMAQI
30th Sep 20254811 PMAQI
1st Oct 20254612 AMAQI
1st Oct 2025531 AMAQI
1st Oct 2025522 AMAQI
1st Oct 2025513 AMAQI
1st Oct 2025504 AMAQI
1st Oct 2025495 AMAQI
28°C24/33°C
1st Oct 2025496 AMAQI
1st Oct 2025527 AMAQI
1st Oct 2025588 AMAQI
1st Oct 2025599 AMAQI
1st Oct 20255910 AMAQI
1st Oct 20256711 AMAQI
1st Oct 20257412 PMAQI
1st Oct 2025831 PMAQI
1st Oct 2025852 PMAQI
1st Oct 2025873 PMAQI
1st Oct 2025894 PMAQI
1st Oct 2025905 PMAQI
1st Oct 2025856 PMAQI
1st Oct 2025957 PMAQI
1st Oct 2025958 PMAQI
1st Oct 2025959 PMAQI
1st Oct 20258110 PMAQI
1st Oct 20256211 PMAQI
2nd Oct 20253512 AMAQI
2nd Oct 2025401 AMAQI
2nd Oct 2025432 AMAQI
2nd Oct 2025433 AMAQI
2nd Oct 2025524 AMAQI
2nd Oct 2025465 AMAQI
28°C24/34°C
2nd Oct 2025486 AMAQI
2nd Oct 2025507 AMAQI
2nd Oct 2025508 AMAQI
2nd Oct 2025509 AMAQI
2nd Oct 20254210 AMAQI
2nd Oct 20254711 AMAQI
2nd Oct 20255012 PMAQI
2nd Oct 2025411 PMAQI
2nd Oct 2025402 PMAQI
2nd Oct 2025413 PMAQI
2nd Oct 2025434 PMAQI
2nd Oct 2025495 PMAQI
2nd Oct 2025546 PMAQI
2nd Oct 2025757 PMAQI
2nd Oct 2025838 PMAQI
2nd Oct 2025819 PMAQI
2nd Oct 20258410 PMAQI
2nd Oct 20258411 PMAQI
3rd Oct 20257712 AMAQI
3rd Oct 2025691 AMAQI
3rd Oct 2025622 AMAQI
3rd Oct 2025433 AMAQI
3rd Oct 2025474 AMAQI
3rd Oct 2025485 AMAQI
27°C23/32°C
3rd Oct 2025596 AMAQI
3rd Oct 2025637 AMAQI
3rd Oct 2025688 AMAQI
3rd Oct 2025709 AMAQI
3rd Oct 20256510 AMAQI
3rd Oct 20256411 AMAQI
3rd Oct 20256312 PMAQI
3rd Oct 2025621 PMAQI
3rd Oct 2025582 PMAQI
3rd Oct 2025573 PMAQI
3rd Oct 2025574 PMAQI
3rd Oct 2025615 PMAQI
3rd Oct 2025616 PMAQI
3rd Oct 2025657 PMAQI
3rd Oct 20251088 PMAQI
3rd Oct 2025679 PMAQI
3rd Oct 202510510 PMAQI
3rd Oct 202510611 PMAQI
4th Oct 202510412 AMAQI
4th Oct 2025671 AMAQI
4th Oct 2025672 AMAQI
4th Oct 2025683 AMAQI
4th Oct 2025694 AMAQI
4th Oct 2025595 AMAQI
28°C24/33°C
4th Oct 2025386 AMAQI
4th Oct 2025447 AMAQI
4th Oct 2025498 AMAQI
4th Oct 2025539 AMAQI
4th Oct 20256010 AMAQI
4th Oct 20256611 AMAQI
4th Oct 20256612 PMAQI
4th Oct 2025601 PMAQI
4th Oct 2025632 PMAQI
4th Oct 2025733 PMAQI
4th Oct 2025784 PMAQI
4th Oct 2025685 PMAQI
4th Oct 2025656 PMAQI
4th Oct 2025587 PMAQI
4th Oct 2025598 PMAQI
4th Oct 2025549 PMAQI
4th Oct 20254210 PMAQI
4th Oct 20254511 PMAQI
5th Oct 20253312 AMAQI
5th Oct 2025331 AMAQI
5th Oct 2025352 AMAQI
5th Oct 2025353 AMAQI
5th Oct 2025364 AMAQI
5th Oct 2025355 AMAQI
27°C23/34°C
5th Oct 2025356 AMAQI
5th Oct 2025377 AMAQI
5th Oct 2025398 AMAQI
5th Oct 2025369 AMAQI
5th Oct 20253910 AMAQI
5th Oct 20253511 AMAQI
5th Oct 20253512 PMAQI
5th Oct 2025361 PMAQI
5th Oct 2025382 PMAQI
5th Oct 2025363 PMAQI
5th Oct 2025344 PMAQI
5th Oct 2025385 PMAQI
5th Oct 2025366 PMAQI
5th Oct 2025367 PMAQI
5th Oct 2025388 PMAQI
5th Oct 2025369 PMAQI
5th Oct 20253510 PMAQI
5th Oct 20253511 PMAQI
6th Oct 20253512 AMAQI
6th Oct 2025361 AMAQI
6th Oct 2025402 AMAQI
6th Oct 2025363 AMAQI
6th Oct 2025354 AMAQI
6th Oct 2025385 AMAQI
26°C23/32°C
6th Oct 2025356 AMAQI
6th Oct 2025327 AMAQI
6th Oct 2025438 AMAQI
6th Oct 2025489 AMAQI
6th Oct 20255610 AMAQI
6th Oct 20255711 AMAQI
6th Oct 20255812 PMAQI
6th Oct 2025631 PMAQI
6th Oct 2025622 PMAQI
6th Oct 2025643 PMAQI
6th Oct 2025584 PMAQI
6th Oct 2025545 PMAQI
6th Oct 2025576 PMAQI
6th Oct 2025647 PMAQI
6th Oct 2025628 PMAQI
6th Oct 2025549 PMAQI
6th Oct 20254110 PMAQI
6th Oct 20253711 PMAQI
7th Oct 20253712 AMAQI
7th Oct 2025381 AMAQI
27°C22/33°C
7th Oct 2025397 PMAQI
7th Oct 2025948 PMAQI
7th Oct 20251029 PMAQI
7th Oct 202510410 PMAQI
7th Oct 20258611 PMAQI
8th Oct 20258512 AMAQI
8th Oct 2025631 AMAQI
8th Oct 2025552 AMAQI
8th Oct 2025573 AMAQI
8th Oct 2025584 AMAQI
8th Oct 2025535 AMAQI
28°C24/35°C
8th Oct 2025486 AMAQI
6 AM8th Oct 2025497 AMAQI
8th Oct 2025558 AMAQI
8th Oct 2025579 AMAQI
8th Oct 20256810 AMAQI
12 PM
6 PM
12 AM
5 AM
--°C/°C
Day time
Avg. Highest Time
6 AM - 7 AM
47AQI
2 hours / Day
60 hours / Month
Avg. Lowest Time
1 PM - 6 PM
42AQI
6 hours / Day
180 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 6 AM to 7 AM (Avg. 47), while the lowest AQI was between 1 PM to 6 PM (Avg. 42).
Night time
Avg. Highest Time
8 PM
55AQI
1 hours / Day
30 hours / Month
Avg. Lowest Time
12 AM - 7 PM
47AQI
7 hours / Day
210 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 8 PM to 8 PM (Avg. 55), while the lowest AQI was between 12 AM to 7 PM (Avg. 47).
2025 Days Vs Air Quality
Old Town, Heyuan, Guangdong, China
2025
32%
89
62%
174
6%
17
Total number of days with different AQI categories in last 281 days in 2025 (84 days remaining)
Good
89 DaysModerate
174 DaysPoor
17 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 32%
Health Risk Level:
High
In 2025, 32% of 281 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
Old Town, 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
123AQI
123AQI
2nd January 2025
116AQI
116AQI
3rd January 2025
111AQI
111AQI
4th January 2025
104AQI
104AQI
5th January 2025
118AQI
118AQI
6th January 2025
125AQI
125AQI
7th January 2025
126AQI
126AQI
8th January 2025
122AQI
122AQI
9th January 2025
105AQI
105AQI
10th January 2025
84AQI
84AQI
11th January 2025
86AQI
86AQI
12th January 2025
75AQI
75AQI
13th January 2025
79AQI
79AQI
14th January 2025
79AQI
79AQI
15th January 2025
88AQI
88AQI
16th January 2025
89AQI
89AQI
17th January 2025
75AQI
75AQI
18th January 2025
81AQI
81AQI
19th January 2025
82AQI
82AQI
20th January 2025
79AQI
79AQI
21st January 2025
87AQI
87AQI
22nd January 2025
82AQI
82AQI
23rd January 2025
85AQI
85AQI
24th January 2025
87AQI
87AQI
25th January 2025
72AQI
72AQI
26th January 2025
44AQI
44AQI
27th January 2025
61AQI
61AQI
28th January 2025
70AQI
70AQI
29th January 2025
107AQI
107AQI
30th January 2025
98AQI
98AQI
31st January 2025
96AQI
96AQI
1st February 2025
90AQI
90AQI
2nd February 2025
74AQI
74AQI
3rd February 2025
45AQI
45AQI
4th February 2025
72AQI
72AQI
5th February 2025
66AQI
66AQI
6th February 2025
72AQI
72AQI
7th February 2025
57AQI
57AQI
8th February 2025
64AQI
64AQI
9th February 2025
59AQI
59AQI
10th February 2025
68AQI
68AQI
11th February 2025
85AQI
85AQI
12th February 2025
73AQI
73AQI
13th February 2025
78AQI
78AQI
14th February 2025
84AQI
84AQI
15th February 2025
78AQI
78AQI
16th February 2025
100AQI
100AQI
17th February 2025
75AQI
75AQI
18th February 2025
74AQI
74AQI
19th February 2025
81AQI
81AQI
20th February 2025
82AQI
82AQI
21st February 2025
54AQI
54AQI
22nd February 2025
72AQI
72AQI
23rd February 2025
40AQI
40AQI
24th February 2025
60AQI
60AQI
25th February 2025
70AQI
70AQI
26th February 2025
85AQI
85AQI
27th February 2025
89AQI
89AQI
28th February 2025
79AQI
79AQI
1st March 2025
70AQI
70AQI
2nd March 2025
66AQI
66AQI
3rd March 2025
80AQI
80AQI
4th March 2025
53AQI
53AQI
5th March 2025
43AQI
43AQI
6th March 2025
41AQI
41AQI
7th March 2025
55AQI
55AQI
8th March 2025
62AQI
62AQI
9th March 2025
65AQI
65AQI
10th March 2025
77AQI
77AQI
11th March 2025
65AQI
65AQI
12th March 2025
63AQI
63AQI
13th March 2025
66AQI
66AQI
14th March 2025
63AQI
63AQI
15th March 2025
46AQI
46AQI
16th March 2025
47AQI
47AQI
17th March 2025
78AQI
78AQI
18th March 2025
67AQI
67AQI
19th March 2025
69AQI
69AQI
20th March 2025
72AQI
72AQI
21st March 2025
75AQI
75AQI
22nd March 2025
83AQI
83AQI
23rd March 2025
90AQI
90AQI
24th March 2025
108AQI
108AQI
25th March 2025
117AQI
117AQI
26th March 2025
96AQI
96AQI
27th March 2025
87AQI
87AQI
28th March 2025
85AQI
85AQI
29th March 2025
42AQI
42AQI
30th March 2025
38AQI
38AQI
31st March 2025
31AQI
31AQI
1st April 2025
57AQI
57AQI
2nd April 2025
59AQI
59AQI
3rd April 2025
69AQI
69AQI
4th April 2025
76AQI
76AQI
5th April 2025
64AQI
64AQI
6th April 2025
84AQI
84AQI
7th April 2025
82AQI
82AQI
8th April 2025
97AQI
97AQI
9th April 2025
105AQI
105AQI
10th April 2025
93AQI
93AQI
11th April 2025
86AQI
86AQI
12th April 2025
84AQI
84AQI
13th April 2025
142AQI
142AQI
14th April 2025
120AQI
120AQI
15th April 2025
112AQI
112AQI
16th April 2025
104AQI
104AQI
17th April 2025
89AQI
89AQI
18th April 2025
87AQI
87AQI
19th April 2025
82AQI
82AQI
20th April 2025
83AQI
83AQI
21st April 2025
69AQI
69AQI
22nd April 2025
74AQI
74AQI
23rd April 2025
76AQI
76AQI
24th April 2025
58AQI
58AQI
25th April 2025
45AQI
45AQI
26th April 2025
55AQI
55AQI
27th April 2025
63AQI
63AQI
28th April 2025
51AQI
51AQI
29th April 2025
67AQI
67AQI
30th April 2025
74AQI
74AQI
1st May 2025
72AQI
72AQI
2nd May 2025
73AQI
73AQI
3rd May 2025
83AQI
83AQI
4th May 2025
74AQI
74AQI
5th May 2025
74AQI
74AQI
6th May 2025
60AQI
60AQI
7th May 2025
57AQI
57AQI
8th May 2025
60AQI
60AQI
9th May 2025
45AQI
45AQI
10th May 2025
56AQI
56AQI
11th May 2025
54AQI
54AQI
12th May 2025
62AQI
62AQI
13th May 2025
67AQI
67AQI
14th May 2025
64AQI
64AQI
15th May 2025
54AQI
54AQI
16th May 2025
53AQI
53AQI
17th May 2025
57AQI
57AQI
18th May 2025
59AQI
59AQI
19th May 2025
55AQI
55AQI
20th May 2025
52AQI
52AQI
21st May 2025
58AQI
58AQI
22nd May 2025
57AQI
57AQI
23rd May 2025
54AQI
54AQI
24th May 2025
55AQI
55AQI
25th May 2025
82AQI
82AQI
26th May 2025
87AQI
87AQI
27th May 2025
80AQI
80AQI
28th May 2025
71AQI
71AQI
29th May 2025
46AQI
46AQI
30th May 2025
53AQI
53AQI
31st May 2025
57AQI
57AQI
1st June 2025
61AQI
61AQI
2nd June 2025
59AQI
59AQI
3rd June 2025
45AQI
45AQI
4th June 2025
63AQI
63AQI
5th June 2025
56AQI
56AQI
6th June 2025
66AQI
66AQI
7th June 2025
67AQI
67AQI
8th June 2025
61AQI
61AQI
9th June 2025
65AQI
65AQI
10th June 2025
56AQI
56AQI
11th June 2025
48AQI
48AQI
12th June 2025
49AQI
49AQI
13th June 2025
41AQI
41AQI
14th June 2025
44AQI
44AQI
15th June 2025
50AQI
50AQI
16th June 2025
36AQI
36AQI
17th June 2025
35AQI
35AQI
18th June 2025
43AQI
43AQI
19th June 2025
37AQI
37AQI
20th June 2025
34AQI
34AQI
21st June 2025
36AQI
36AQI
22nd June 2025
35AQI
35AQI
23rd June 2025
45AQI
45AQI
24th June 2025
44AQI
44AQI
25th June 2025
43AQI
43AQI
26th June 2025
37AQI
37AQI
27th June 2025
33AQI
33AQI
28th June 2025
36AQI
36AQI
29th June 2025
33AQI
33AQI
30th June 2025
32AQI
32AQI
1st July 2025
35AQI
35AQI
2nd July 2025
35AQI
35AQI
3rd July 2025
41AQI
41AQI
4th July 2025
49AQI
49AQI
5th July 2025
51AQI
51AQI
6th July 2025
52AQI
52AQI
7th July 2025
65AQI
65AQI
8th July 2025
60AQI
60AQI
9th July 2025
61AQI
61AQI
10th July 2025
50AQI
50AQI
11th July 2025
40AQI
40AQI
12th July 2025
50AQI
50AQI
13th July 2025
52AQI
52AQI
14th July 2025
60AQI
60AQI
15th July 2025
60AQI
60AQI
16th July 2025
59AQI
59AQI
17th July 2025
67AQI
67AQI
18th July 2025
69AQI
69AQI
19th July 2025
56AQI
56AQI
20th July 2025
43AQI
43AQI
21st July 2025
42AQI
42AQI
22nd July 2025
39AQI
39AQI
23rd July 2025
39AQI
39AQI
24th July 2025
50AQI
50AQI
25th July 2025
49AQI
49AQI
26th July 2025
56AQI
56AQI
27th July 2025
65AQI
65AQI
28th July 2025
55AQI
55AQI
29th July 2025
59AQI
59AQI
30th July 2025
60AQI
60AQI
31st July 2025
53AQI
53AQI
1st August 2025
57AQI
57AQI
2nd August 2025
51AQI
51AQI
3rd August 2025
49AQI
49AQI
4th August 2025
43AQI
43AQI
5th August 2025
43AQI
43AQI
6th August 2025
40AQI
40AQI
7th August 2025
48AQI
48AQI
8th August 2025
52AQI
52AQI
9th August 2025
59AQI
59AQI
10th August 2025
51AQI
51AQI
11th August 2025
50AQI
50AQI
12th August 2025
58AQI
58AQI
13th August 2025
57AQI
57AQI
14th August 2025
45AQI
45AQI
15th August 2025
42AQI
42AQI
16th August 2025
47AQI
47AQI
17th August 2025
47AQI
47AQI
18th August 2025
41AQI
41AQI
19th August 2025
38AQI
38AQI
20th August 2025
41AQI
41AQI
21st August 2025
44AQI
44AQI
22nd August 2025
48AQI
48AQI
23rd August 2025
52AQI
52AQI
24th August 2025
46AQI
46AQI
25th August 2025
47AQI
47AQI
26th August 2025
49AQI
49AQI
27th August 2025
51AQI
51AQI
28th August 2025
52AQI
52AQI
29th August 2025
52AQI
52AQI
30th August 2025
49AQI
49AQI
31st August 2025
52AQI
52AQI
1st September 2025
52AQI
52AQI
2nd September 2025
54AQI
54AQI
3rd September 2025
55AQI
55AQI
4th September 2025
68AQI
68AQI
5th September 2025
63AQI
63AQI
6th September 2025
64AQI
64AQI
7th September 2025
59AQI
59AQI
8th September 2025
44AQI
44AQI
9th September 2025
44AQI
44AQI
10th September 2025
45AQI
45AQI
11th September 2025
47AQI
47AQI
12th September 2025
50AQI
50AQI
13th September 2025
51AQI
51AQI
14th September 2025
53AQI
53AQI
15th September 2025
49AQI
49AQI
16th September 2025
49AQI
49AQI
17th September 2025
51AQI
51AQI
18th September 2025
49AQI
49AQI
19th September 2025
38AQI
38AQI
20th September 2025
35AQI
35AQI
21st September 2025
34AQI
34AQI
22nd September 2025
41AQI
41AQI
23rd September 2025
49AQI
49AQI
24th September 2025
32AQI
32AQI
25th September 2025
27AQI
27AQI
26th September 2025
26AQI
26AQI
27th September 2025
39AQI
39AQI
28th September 2025
38AQI
38AQI
29th September 2025
40AQI
40AQI
30th September 2025
51AQI
51AQI
1st October 2025
66AQI
66AQI
2nd October 2025
49AQI
49AQI
3rd October 2025
69AQI
69AQI
4th October 2025
68AQI
68AQI
5th October 2025
35AQI
35AQI
6th October 2025
43AQI
43AQI
7th October 2025
37AQI
37AQI
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
91AQI
72AQI
68AQI
80AQI
62AQI
46AQI
52AQI
48AQI
47AQI
52AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202563AQI
1
20
10
2
26
7
22
2
1
24
5
2
29
21
9
13
18
19
12
19
11
4
3
89
174
17
Highest AQI recorded in
January91AQI
Lowest AQI recorded in
June46AQI
202459AQI
2
22
5
2
12
14
3
5
24
2
16
13
1
14
17
28
2
28
3
16
15
23
7
4
27
8
20
2
16
15
156
180
28
2
Highest AQI recorded in
December98AQI
Lowest AQI recorded in
June34AQI
202365AQI
4
18
7
2
5
16
7
6
17
8
7
23
8
23
24
6
20
10
17
14
13
17
7
22
2
4
21
4
3
25
3
118
212
31
2
Highest AQI recorded in
January87AQI
Lowest AQI recorded in
June41AQI
202260AQI
7
17
7
12
9
6
24
1
8
21
1
17
14
30
16
7
1
1
2
22
4
5
25
1
11
18
1
7
19
3
2
121
177
18
3
Highest AQI recorded in
December78AQI
Lowest AQI recorded in
June32AQI
202167AQI
19
12
4
22
2
3
23
5
2
25
3
15
13
3
20
10
11
20
12
9
16
12
2
9
22
3
27
2
23
6
97
225
33
Highest AQI recorded in
January99AQI
Lowest AQI recorded in
June44AQI
202069AQI
3
10
5
12
4
7
11
21
9
13
17
1
18
12
1
12
16
2
2
24
5
1
21
8
3
8
20
85
140
41
Highest AQI recorded in
December99AQI
Lowest AQI recorded in
June46AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2020(Avg.)
69AQILeast Polluted Year Recorded
2024(Avg.)
59AQIOld Town's annual 2025 AQI (63) shows an average percentage change of -1.7% (improved AQI) compared to previous years: 2020 (69), 2021 (67), 2022 (60), 2023 (65), 2024 (59).
