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HistoryAQIPM₂.₅PM₁₀COSO₂NO₂O₃

Old Town, Heyuan, Guangdong Province, 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+

August Air Quality Analysis

Old Town, Heyuan, Guangdong Province, China

2022
2023
2024
2025
2026
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
27th Aug 2024
82AQI
Lowest AQI recorded on
21st Aug 2024
23AQI

Same Day Analysis (18th August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 4th highest AQI at 33 of Good air quality, showing improvement over 2025, 2024 and 2023 on the same day.

Day & Night AQI Trend: 17th Aug - 18th Aug 2026

Old Town, Heyuan, Guangdong Province, China

AQI
Day
Night
.

5 AM17th Aug 2026

7 PM

4 AM18th Aug 2026

Day time
Avg. Highest Time
3PM17th Aug

58AQI

Avg. Lowest Time
11AM17th Aug

44AQI

Night time
Avg. Highest Time
7PM17th Aug

40AQI

Avg. Lowest Time
1AM18th Aug

12AQI

In the last 24 hours,

Old Town's AQI reached its highest point of 58 at 3 PM during the Day, while the lowest point, 12, was recorded at 1 AM during the Night between 17th Aug and 18th Aug 2026.

Day & Night AQI Trend : Jul - Aug 2026

Old Town, Heyuan, Guangdong Province, China

JulAug
20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th
Day
Night
20th Jul 2026625 AMAQI
20th Jul 2026696 AMAQI
20th Jul 2026747 AMAQI
20th Jul 2026678 AMAQI
20th Jul 2026649 AMAQI
20th Jul 20265310 AMAQI
20th Jul 20265511 AMAQI
20th Jul 20265812 PMAQI
20th Jul 2026501 PMAQI
20th Jul 2026512 PMAQI
20th Jul 2026313 PMAQI
20th Jul 2026264 PMAQI
20th Jul 2026345 PMAQI
20th Jul 2026256 PMAQI
20th Jul 2026487 PMAQI
20th Jul 2026448 PMAQI
20th Jul 2026339 PMAQI
20th Jul 20263610 PMAQI
20th Jul 20265011 PMAQI
21st Jul 20265112 AMAQI
21st Jul 2026531 AMAQI
21st Jul 2026482 AMAQI
21st Jul 2026493 AMAQI
21st Jul 2026384 AMAQI

27°C24/30°C

21st Jul 2026335 AMAQI
21st Jul 2026366 AMAQI
21st Jul 2026367 AMAQI
21st Jul 2026468 AMAQI
21st Jul 2026489 AMAQI
21st Jul 20265410 AMAQI
21st Jul 20266312 PMAQI
21st Jul 2026801 PMAQI
21st Jul 2026802 PMAQI
21st Jul 2026833 PMAQI
21st Jul 2026864 PMAQI
21st Jul 2026925 PMAQI
21st Jul 20261026 PMAQI
21st Jul 2026887 PMAQI
21st Jul 2026738 PMAQI
21st Jul 2026789 PMAQI
21st Jul 20267410 PMAQI
21st Jul 20267911 PMAQI
22nd Jul 20267312 AMAQI
22nd Jul 2026721 AMAQI
22nd Jul 2026802 AMAQI
22nd Jul 2026783 AMAQI
22nd Jul 2026704 AMAQI

27°C23/32°C

22nd Jul 2026675 AMAQI
22nd Jul 2026696 AMAQI
22nd Jul 2026677 AMAQI
22nd Jul 2026678 AMAQI
22nd Jul 2026679 AMAQI
22nd Jul 20266810 AMAQI
22nd Jul 20266911 AMAQI
22nd Jul 20268212 PMAQI
22nd Jul 2026821 PMAQI
22nd Jul 2026882 PMAQI
22nd Jul 2026853 PMAQI
22nd Jul 2026824 PMAQI
22nd Jul 2026855 PMAQI
22nd Jul 2026886 PMAQI
22nd Jul 2026717 PMAQI
22nd Jul 20261028 PMAQI
22nd Jul 20261429 PMAQI
22nd Jul 20267810 PMAQI
22nd Jul 20266811 PMAQI
23rd Jul 20266612 AMAQI
23rd Jul 2026601 AMAQI
23rd Jul 2026652 AMAQI
23rd Jul 2026623 AMAQI
23rd Jul 2026674 AMAQI

27°C23/32°C

23rd Jul 2026655 AMAQI
23rd Jul 2026676 AMAQI
23rd Jul 2026627 AMAQI
23rd Jul 2026658 AMAQI
23rd Jul 2026529 AMAQI
23rd Jul 20264010 AMAQI
23rd Jul 20265711 AMAQI
23rd Jul 20266412 PMAQI
23rd Jul 2026691 PMAQI
23rd Jul 2026702 PMAQI
23rd Jul 2026763 PMAQI
23rd Jul 2026744 PMAQI
23rd Jul 2026945 PMAQI
23rd Jul 2026926 PMAQI
23rd Jul 20261127 PMAQI
23rd Jul 2026728 PMAQI
23rd Jul 2026929 PMAQI
23rd Jul 20269410 PMAQI
23rd Jul 20266211 PMAQI
24th Jul 20265412 AMAQI
24th Jul 2026531 AMAQI
24th Jul 2026552 AMAQI
24th Jul 2026573 AMAQI
24th Jul 2026574 AMAQI

28°C23/33°C

24th Jul 2026565 AMAQI
24th Jul 2026586 AMAQI
24th Jul 2026667 AMAQI
24th Jul 2026678 AMAQI
24th Jul 2026699 AMAQI
24th Jul 20267010 AMAQI
24th Jul 20267311 AMAQI
24th Jul 20268012 PMAQI
24th Jul 2026801 PMAQI
24th Jul 2026762 PMAQI
24th Jul 2026643 PMAQI
24th Jul 2026964 PMAQI
24th Jul 20261455 PMAQI
24th Jul 20261506 PMAQI
24th Jul 20261467 PMAQI
24th Jul 20261458 PMAQI
24th Jul 2026839 PMAQI
24th Jul 20267810 PMAQI
24th Jul 20268011 PMAQI
25th Jul 20266212 AMAQI
25th Jul 2026621 AMAQI
25th Jul 2026622 AMAQI
25th Jul 2026903 AMAQI
25th Jul 2026804 AMAQI

29°C24/35°C

25th Jul 2026785 AMAQI
25th Jul 2026746 AMAQI
25th Jul 2026717 AMAQI
25th Jul 2026748 AMAQI
25th Jul 2026769 AMAQI
25th Jul 20267410 AMAQI
25th Jul 20269011 AMAQI
25th Jul 20269612 PMAQI
25th Jul 20261061 PMAQI
25th Jul 20261112 PMAQI
25th Jul 20261143 PMAQI
25th Jul 20261064 PMAQI
25th Jul 20261025 PMAQI
25th Jul 20261206 PMAQI
25th Jul 2026487 PMAQI
25th Jul 2026578 PMAQI
25th Jul 2026579 PMAQI
25th Jul 20264010 PMAQI
25th Jul 20262511 PMAQI
26th Jul 20262512 AMAQI
26th Jul 2026191 AMAQI
26th Jul 2026172 AMAQI
26th Jul 2026143 AMAQI
26th Jul 2026184 AMAQI

28°C25/35°C

26th Jul 2026195 AMAQI
26th Jul 2026186 AMAQI
26th Jul 2026127 AMAQI
26th Jul 2026128 AMAQI
26th Jul 2026109 AMAQI
26th Jul 2026810 AMAQI
26th Jul 2026811 AMAQI
26th Jul 20261012 PMAQI
26th Jul 202681 PMAQI
26th Jul 202682 PMAQI
26th Jul 202683 PMAQI
26th Jul 202684 PMAQI
26th Jul 2026105 PMAQI
26th Jul 2026126 PMAQI
26th Jul 2026127 PMAQI
26th Jul 2026168 PMAQI
26th Jul 2026199 PMAQI
26th Jul 20261710 PMAQI
26th Jul 20261611 PMAQI
27th Jul 20261912 AMAQI
27th Jul 2026191 AMAQI
27th Jul 2026232 AMAQI
27th Jul 2026173 AMAQI
27th Jul 2026194 AMAQI

25°C24/27°C

27th Jul 2026195 AMAQI
27th Jul 2026176 AMAQI
27th Jul 2026147 AMAQI
27th Jul 2026128 AMAQI
27th Jul 2026219 AMAQI
27th Jul 20261910 AMAQI
27th Jul 20262511 AMAQI
27th Jul 20263312 PMAQI
27th Jul 2026331 PMAQI
27th Jul 2026332 PMAQI
27th Jul 2026463 PMAQI
27th Jul 2026514 PMAQI
27th Jul 2026505 PMAQI
27th Jul 2026516 PMAQI
27th Jul 2026277 PMAQI
27th Jul 2026318 PMAQI
27th Jul 2026339 PMAQI
27th Jul 20263310 PMAQI
27th Jul 20263811 PMAQI
28th Jul 20264012 AMAQI
28th Jul 2026421 AMAQI
28th Jul 2026362 AMAQI
28th Jul 2026383 AMAQI
28th Jul 2026404 AMAQI

25°C23/28°C

28th Jul 2026365 AMAQI
28th Jul 2026316 AMAQI
28th Jul 2026257 AMAQI
28th Jul 2026218 AMAQI
28th Jul 2026219 AMAQI
28th Jul 20262510 AMAQI
28th Jul 20262911 AMAQI
28th Jul 20262512 PMAQI
28th Jul 2026271 PMAQI
28th Jul 2026212 PMAQI
28th Jul 2026253 PMAQI
28th Jul 2026234 PMAQI
28th Jul 2026255 PMAQI
28th Jul 2026256 PMAQI
28th Jul 2026257 PMAQI
28th Jul 2026238 PMAQI
28th Jul 2026279 PMAQI
28th Jul 20262510 PMAQI
28th Jul 20262511 PMAQI
29th Jul 20262712 AMAQI
29th Jul 2026251 AMAQI
29th Jul 2026272 AMAQI
29th Jul 2026253 AMAQI
29th Jul 2026274 AMAQI

26°C23/31°C

29th Jul 2026255 AMAQI
29th Jul 2026236 AMAQI
29th Jul 2026217 AMAQI
29th Jul 2026218 AMAQI
29th Jul 2026239 AMAQI
29th Jul 20262510 AMAQI
29th Jul 20262311 AMAQI
29th Jul 20262512 PMAQI
29th Jul 2026211 PMAQI
29th Jul 2026252 PMAQI
29th Jul 2026253 PMAQI
29th Jul 2026234 PMAQI
29th Jul 2026275 PMAQI
29th Jul 2026256 PMAQI
29th Jul 2026217 PMAQI
29th Jul 2026238 PMAQI
29th Jul 2026259 PMAQI
29th Jul 20262510 PMAQI
29th Jul 20262711 PMAQI
30th Jul 20262712 AMAQI
30th Jul 2026291 AMAQI
30th Jul 2026272 AMAQI
30th Jul 2026253 AMAQI
30th Jul 2026274 AMAQI

24°C24/25°C

30th Jul 2026255 AMAQI
30th Jul 2026276 AMAQI
30th Jul 2026297 AMAQI
30th Jul 2026298 AMAQI
30th Jul 2026299 AMAQI
30th Jul 20263610 AMAQI
30th Jul 20263611 AMAQI
30th Jul 20263312 PMAQI
30th Jul 2026331 PMAQI
30th Jul 2026292 PMAQI
30th Jul 2026313 PMAQI
30th Jul 2026314 PMAQI
30th Jul 2026365 PMAQI
30th Jul 2026336 PMAQI
30th Jul 2026387 PMAQI
30th Jul 2026388 PMAQI
30th Jul 2026389 PMAQI
30th Jul 20264010 PMAQI
30th Jul 20263811 PMAQI
31st Jul 20263612 AMAQI
31st Jul 2026381 AMAQI
31st Jul 2026362 AMAQI
31st Jul 2026363 AMAQI
31st Jul 2026364 AMAQI

25°C23/28°C

31st Jul 2026335 AMAQI
31st Jul 2026386 AMAQI
31st Jul 2026387 AMAQI
31st Jul 2026388 AMAQI
31st Jul 2026389 AMAQI
31st Jul 20264010 AMAQI
31st Jul 20266211 AMAQI
31st Jul 20265312 PMAQI
31st Jul 2026401 PMAQI
31st Jul 2026292 PMAQI
31st Jul 2026213 PMAQI
31st Jul 2026214 PMAQI
31st Jul 2026215 PMAQI
31st Jul 2026216 PMAQI
31st Jul 2026257 PMAQI
31st Jul 2026218 PMAQI
31st Jul 2026259 PMAQI
31st Jul 20262310 PMAQI
31st Jul 20262311 PMAQI
1st Aug 20262112 AMAQI
1st Aug 2026211 AMAQI
1st Aug 2026232 AMAQI
1st Aug 2026273 AMAQI
1st Aug 2026254 AMAQI

25°C23/29°C

1st Aug 2026325 AMAQI
1st Aug 2026446 AMAQI
1st Aug 2026367 AMAQI
1st Aug 2026278 AMAQI
1st Aug 2026299 AMAQI
1st Aug 20264010 AMAQI
1st Aug 20264411 AMAQI
1st Aug 20264412 PMAQI
1st Aug 2026381 PMAQI
1st Aug 2026342 PMAQI
1st Aug 2026293 PMAQI
1st Aug 2026294 PMAQI
1st Aug 2026295 PMAQI
1st Aug 2026296 PMAQI
1st Aug 2026297 PMAQI
1st Aug 2026298 PMAQI
1st Aug 2026299 PMAQI
1st Aug 20262710 PMAQI
1st Aug 20262711 PMAQI
2nd Aug 20262912 AMAQI
2nd Aug 2026291 AMAQI
2nd Aug 2026252 AMAQI
2nd Aug 2026233 AMAQI
2nd Aug 2026234 AMAQI

25°C23/28°C

2nd Aug 2026235 AMAQI
2nd Aug 2026236 AMAQI
2nd Aug 2026237 AMAQI
2nd Aug 2026238 AMAQI
2nd Aug 2026259 AMAQI
2nd Aug 20262910 AMAQI
2nd Aug 20262911 AMAQI
2nd Aug 20263612 PMAQI
2nd Aug 2026211 PMAQI
2nd Aug 2026212 PMAQI
2nd Aug 2026213 PMAQI
2nd Aug 2026234 PMAQI
2nd Aug 2026275 PMAQI
2nd Aug 2026216 PMAQI
2nd Aug 2026277 PMAQI
2nd Aug 2026258 PMAQI
2nd Aug 2026259 PMAQI
2nd Aug 20262510 PMAQI
2nd Aug 20263211 PMAQI
3rd Aug 20264412 AMAQI
3rd Aug 2026421 AMAQI
3rd Aug 2026422 AMAQI
3rd Aug 2026333 AMAQI
3rd Aug 2026274 AMAQI

24°C23/26°C

3rd Aug 2026295 AMAQI
3rd Aug 2026296 AMAQI
3rd Aug 2026217 AMAQI
3rd Aug 2026258 AMAQI
3rd Aug 2026259 AMAQI
3rd Aug 20262710 AMAQI
3rd Aug 20263411 AMAQI
3rd Aug 20263112 PMAQI
3rd Aug 2026501 PMAQI
3rd Aug 2026362 PMAQI
3rd Aug 2026233 PMAQI
3rd Aug 2026214 PMAQI
3rd Aug 2026215 PMAQI
3rd Aug 2026306 PMAQI
3rd Aug 2026387 PMAQI
3rd Aug 2026328 PMAQI
3rd Aug 2026259 PMAQI
3rd Aug 20262110 PMAQI
3rd Aug 20262311 PMAQI
4th Aug 20262112 AMAQI
4th Aug 2026231 AMAQI
4th Aug 2026232 AMAQI
4th Aug 2026213 AMAQI
4th Aug 2026214 AMAQI

25°C24/27°C

4th Aug 2026255 AMAQI
4th Aug 2026256 AMAQI
4th Aug 2026257 AMAQI
4th Aug 2026258 AMAQI
4th Aug 2026329 AMAQI
4th Aug 20264210 AMAQI
4th Aug 20264211 AMAQI
4th Aug 20263112 PMAQI
4th Aug 2026331 PMAQI
4th Aug 2026252 PMAQI
4th Aug 2026273 PMAQI
4th Aug 2026234 PMAQI
4th Aug 2026235 PMAQI
4th Aug 2026326 PMAQI
4th Aug 2026387 PMAQI
4th Aug 2026278 PMAQI
4th Aug 2026279 PMAQI
4th Aug 20262910 PMAQI
4th Aug 20262511 PMAQI
5th Aug 20262912 AMAQI
5th Aug 2026271 AMAQI
5th Aug 2026332 AMAQI
5th Aug 2026333 AMAQI
5th Aug 2026514 AMAQI

26°C24/30°C

5th Aug 2026665 AMAQI
5th Aug 2026446 AMAQI
5th Aug 2026547 AMAQI
5th Aug 2026368 AMAQI
5th Aug 2026339 AMAQI
5th Aug 20267610 AMAQI
5th Aug 20263811 AMAQI
5th Aug 20265712 PMAQI
5th Aug 2026511 PMAQI
5th Aug 2026422 PMAQI
5th Aug 2026363 PMAQI
5th Aug 2026384 PMAQI
5th Aug 2026515 PMAQI
5th Aug 2026516 PMAQI
5th Aug 2026537 PMAQI
5th Aug 2026568 PMAQI
5th Aug 2026669 PMAQI
5th Aug 20267010 PMAQI
5th Aug 20265711 PMAQI
6th Aug 20265712 AMAQI
6th Aug 2026621 AMAQI
6th Aug 2026712 AMAQI
6th Aug 2026623 AMAQI
6th Aug 2026584 AMAQI

28°C24/34°C

6th Aug 2026685 AMAQI
6th Aug 2026666 AMAQI
6th Aug 2026677 AMAQI
6th Aug 2026648 AMAQI
6th Aug 2026689 AMAQI
6th Aug 20267010 AMAQI
6th Aug 20267111 AMAQI
6th Aug 20267112 PMAQI
6th Aug 2026761 PMAQI
6th Aug 2026742 PMAQI
6th Aug 2026743 PMAQI
6th Aug 2026794 PMAQI
6th Aug 2026975 PMAQI
6th Aug 2026986 PMAQI
6th Aug 2026847 PMAQI
6th Aug 2026718 PMAQI
6th Aug 2026909 PMAQI
6th Aug 20268710 PMAQI
6th Aug 20266611 PMAQI
7th Aug 20266812 AMAQI
7th Aug 2026711 AMAQI
7th Aug 2026842 AMAQI
7th Aug 2026943 AMAQI
7th Aug 2026954 AMAQI

29°C24/35°C

7th Aug 2026905 AMAQI
7th Aug 2026856 AMAQI
7th Aug 2026847 AMAQI
7th Aug 2026768 AMAQI
7th Aug 2026819 AMAQI
7th Aug 20268110 AMAQI
7th Aug 20268211 AMAQI
7th Aug 20267412 PMAQI
7th Aug 2026681 PMAQI
7th Aug 2026702 PMAQI
7th Aug 2026763 PMAQI
7th Aug 2026744 PMAQI
7th Aug 2026895 PMAQI
7th Aug 20261126 PMAQI
7th Aug 2026867 PMAQI
7th Aug 2026678 PMAQI
7th Aug 2026799 PMAQI
7th Aug 20265610 PMAQI
7th Aug 20266211 PMAQI
8th Aug 20266212 AMAQI
8th Aug 2026551 AMAQI
8th Aug 2026562 AMAQI
8th Aug 2026533 AMAQI
8th Aug 2026564 AMAQI

29°C24/34°C

8th Aug 2026715 AMAQI
8th Aug 2026666 AMAQI
8th Aug 2026587 AMAQI
8th Aug 2026648 AMAQI
8th Aug 2026669 AMAQI
8th Aug 20267210 AMAQI
8th Aug 20267011 AMAQI
8th Aug 20267112 PMAQI
8th Aug 2026691 PMAQI
8th Aug 2026732 PMAQI
8th Aug 2026833 PMAQI
8th Aug 2026834 PMAQI
8th Aug 2026855 PMAQI
8th Aug 2026906 PMAQI
8th Aug 2026907 PMAQI
8th Aug 2026818 PMAQI
8th Aug 2026889 PMAQI
8th Aug 20268410 PMAQI
8th Aug 20267011 PMAQI
9th Aug 20265112 AMAQI
9th Aug 2026541 AMAQI
9th Aug 2026512 AMAQI
9th Aug 2026523 AMAQI
9th Aug 2026484 AMAQI

30°C25/36°C

9th Aug 2026405 AMAQI
9th Aug 2026446 AMAQI
9th Aug 2026507 AMAQI
9th Aug 2026468 AMAQI
9th Aug 2026429 AMAQI
9th Aug 20263810 AMAQI
9th Aug 20263811 AMAQI
9th Aug 20263812 PMAQI
9th Aug 2026311 PMAQI
9th Aug 2026292 PMAQI
9th Aug 2026333 PMAQI
9th Aug 2026384 PMAQI
9th Aug 2026405 PMAQI
9th Aug 2026386 PMAQI
9th Aug 2026507 PMAQI
9th Aug 2026648 PMAQI
9th Aug 2026549 PMAQI
9th Aug 20265410 PMAQI
9th Aug 20264011 PMAQI
10th Aug 20264412 AMAQI
10th Aug 2026361 AMAQI
10th Aug 2026292 AMAQI
10th Aug 2026273 AMAQI
10th Aug 2026274 AMAQI

30°C25/36°C

10th Aug 2026295 AMAQI
10th Aug 2026446 AMAQI
10th Aug 2026497 AMAQI
10th Aug 2026548 AMAQI
10th Aug 2026539 AMAQI
10th Aug 20265510 AMAQI
10th Aug 20265311 AMAQI
10th Aug 20265412 PMAQI
10th Aug 2026561 PMAQI
10th Aug 2026512 PMAQI
10th Aug 2026533 PMAQI
10th Aug 2026574 PMAQI
10th Aug 2026625 PMAQI
10th Aug 2026716 PMAQI
10th Aug 20261217 PMAQI
10th Aug 2026928 PMAQI
10th Aug 2026609 PMAQI
10th Aug 20265210 PMAQI
10th Aug 20264811 PMAQI
11th Aug 20264812 AMAQI
11th Aug 2026461 AMAQI
11th Aug 2026442 AMAQI
11th Aug 2026403 AMAQI
11th Aug 2026364 AMAQI

28°C25/33°C

11th Aug 2026365 AMAQI
11th Aug 2026536 AMAQI
11th Aug 2026467 AMAQI
11th Aug 2026548 AMAQI
11th Aug 2026659 AMAQI
11th Aug 20266810 AMAQI
11th Aug 20265911 AMAQI
11th Aug 20264212 PMAQI
11th Aug 2026441 PMAQI
11th Aug 2026482 PMAQI
11th Aug 2026463 PMAQI
11th Aug 2026604 PMAQI
11th Aug 2026595 PMAQI
11th Aug 2026656 PMAQI
11th Aug 2026627 PMAQI
11th Aug 2026848 PMAQI
11th Aug 2026749 PMAQI
11th Aug 20265410 PMAQI
11th Aug 20264411 PMAQI
12th Aug 20264012 AMAQI
12th Aug 2026421 AMAQI
12th Aug 2026462 AMAQI
12th Aug 2026463 AMAQI
12th Aug 2026444 AMAQI

29°C25/35°C

12th Aug 2026555 AMAQI
12th Aug 2026606 AMAQI
12th Aug 2026607 AMAQI
12th Aug 2026668 AMAQI
12th Aug 2026759 AMAQI
12th Aug 20267610 AMAQI
12th Aug 20266411 AMAQI
12th Aug 20266212 PMAQI
12th Aug 2026711 PMAQI
12th Aug 20261002 PMAQI
12th Aug 2026803 PMAQI
12th Aug 2026874 PMAQI
12th Aug 2026815 PMAQI
12th Aug 2026836 PMAQI
12th Aug 2026927 PMAQI
12th Aug 2026848 PMAQI
12th Aug 2026949 PMAQI
12th Aug 202610010 PMAQI
12th Aug 20266911 PMAQI
13th Aug 20266912 AMAQI
13th Aug 2026701 AMAQI
13th Aug 2026732 AMAQI
13th Aug 2026833 AMAQI
13th Aug 2026824 AMAQI

30°C25/36°C

13th Aug 2026905 AMAQI
13th Aug 2026826 AMAQI
13th Aug 2026707 AMAQI
13th Aug 2026708 AMAQI
13th Aug 2026689 AMAQI
13th Aug 20265810 AMAQI
13th Aug 20266511 AMAQI
13th Aug 20267112 PMAQI
13th Aug 2026421 PMAQI
13th Aug 2026292 PMAQI
13th Aug 2026363 PMAQI
13th Aug 2026464 PMAQI
13th Aug 2026405 PMAQI
13th Aug 2026466 PMAQI
13th Aug 2026527 PMAQI
13th Aug 2026648 PMAQI
13th Aug 2026719 PMAQI
13th Aug 20267010 PMAQI
13th Aug 20267111 PMAQI
14th Aug 20266512 AMAQI
14th Aug 2026621 AMAQI
14th Aug 2026582 AMAQI
14th Aug 2026563 AMAQI
14th Aug 2026514 AMAQI

28°C24/35°C

14th Aug 2026485 AMAQI
14th Aug 2026466 AMAQI
14th Aug 2026527 AMAQI
14th Aug 2026548 AMAQI
14th Aug 2026579 AMAQI
14th Aug 20265610 AMAQI
14th Aug 20264011 AMAQI
14th Aug 20263312 PMAQI
14th Aug 2026311 PMAQI
14th Aug 2026282 PMAQI
14th Aug 2026253 PMAQI
14th Aug 2026314 PMAQI
14th Aug 2026405 PMAQI
14th Aug 2026466 PMAQI
14th Aug 2026657 PMAQI
14th Aug 2026558 PMAQI
14th Aug 2026539 PMAQI
14th Aug 20266510 PMAQI
14th Aug 20265111 PMAQI
15th Aug 20265612 AMAQI
15th Aug 2026551 AMAQI
15th Aug 2026552 AMAQI
15th Aug 2026553 AMAQI
15th Aug 2026334 AMAQI

26°C25/27°C

15th Aug 2026315 AMAQI
15th Aug 2026316 AMAQI
15th Aug 2026277 AMAQI
15th Aug 2026298 AMAQI
15th Aug 2026299 AMAQI
15th Aug 20263310 AMAQI
15th Aug 20262911 AMAQI
15th Aug 20262912 PMAQI
15th Aug 2026271 PMAQI
15th Aug 2026292 PMAQI
15th Aug 2026313 PMAQI
15th Aug 2026294 PMAQI
15th Aug 2026295 PMAQI
15th Aug 2026296 PMAQI
15th Aug 2026367 PMAQI
15th Aug 2026368 PMAQI
15th Aug 2026339 PMAQI
15th Aug 20264210 PMAQI
15th Aug 20265311 PMAQI
16th Aug 20265112 AMAQI
16th Aug 2026531 AMAQI
16th Aug 2026522 AMAQI
16th Aug 2026553 AMAQI
16th Aug 2026544 AMAQI

28°C24/32°C

16th Aug 2026515 AMAQI
16th Aug 2026446 AMAQI
16th Aug 2026447 AMAQI
16th Aug 2026488 AMAQI
16th Aug 2026469 AMAQI
16th Aug 20264010 AMAQI
16th Aug 20264611 AMAQI
16th Aug 20264212 PMAQI
16th Aug 2026361 PMAQI
16th Aug 2026302 PMAQI
16th Aug 2026233 PMAQI
16th Aug 2026254 PMAQI
16th Aug 2026425 PMAQI
16th Aug 2026426 PMAQI
16th Aug 2026507 PMAQI
16th Aug 2026558 PMAQI
16th Aug 2026539 PMAQI
16th Aug 20267110 PMAQI
16th Aug 20266211 PMAQI
17th Aug 20265112 AMAQI
17th Aug 2026501 AMAQI
17th Aug 2026522 AMAQI
17th Aug 2026523 AMAQI
17th Aug 2026504 AMAQI

28°C25/34°C

17th Aug 2026545 AMAQI
17th Aug 2026536 AMAQI
17th Aug 2026547 AMAQI
17th Aug 2026538 AMAQI
17th Aug 2026509 AMAQI
17th Aug 20264610 AMAQI
17th Aug 20264411 AMAQI
17th Aug 20264812 PMAQI
17th Aug 2026461 PMAQI
17th Aug 2026532 PMAQI
17th Aug 2026583 PMAQI
17th Aug 2026554 PMAQI
17th Aug 2026555 PMAQI
17th Aug 2026486 PMAQI
17th Aug 2026407 PMAQI
17th Aug 2026338 PMAQI
17th Aug 2026239 PMAQI
17th Aug 20262110 PMAQI
17th Aug 20261411 PMAQI
18th Aug 20261412 AMAQI
18th Aug 2026121 AMAQI
18th Aug 2026212 AMAQI
18th Aug 2026193 AMAQI
18th Aug 2026194 AMAQI

20°C18/22°C

18th Aug 2026215 AMAQI
5 AM
18th Aug 2026216 AMAQI
18th Aug 2026277 AMAQI
18th Aug 2026508 AMAQI
18th Aug 2026469 AMAQI
18th Aug 20263310 AMAQI
18th Aug 20263311 AMAQI
18th Aug 20264012 PMAQI
12 PM
18th Aug 2026461 PMAQI
18th Aug 2026422 PMAQI
18th Aug 2026483 PMAQI
18th Aug 2026444 PMAQI
18th Aug 2026335 PMAQI
18th Aug 2026446 PMAQI
18th Aug 2026487 PMAQI
7 PM
18th Aug 2026408 PMAQI
18th Aug 2026449 PMAQI
18th Aug 20263110 PMAQI
18th Aug 20262711 PMAQI
12 AM
4 AM

28°C25/32°C

Day time
Avg. Highest Time
6 PM - 7 PM

57AQI

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

47AQI

11 hours / Day
330 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 6 PM to 7 PM (Avg. 57), while the lowest AQI was between 5 AM to 3 PM (Avg. 47).
Night time
Avg. Highest Time
8 PM - 9 PM

55AQI

2 hours / Day
60 hours / Month
Avg. Lowest Time
12 AM - 4 AM

46AQI

5 hours / Day
150 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 8 PM to 9 PM (Avg. 55), while the lowest AQI was between 12 AM to 4 AM (Avg. 46).

2026 Days Vs Air Quality

Old Town, Heyuan, Guangdong Province, China

2026

40%

92

58%

133

2%

5

Total number of days with different AQI categories in last 230 days in 2026 (135 days remaining)

Good
92 Days
Moderate
133 Days
Poor
5 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 40%

Health Risk Level:

Significant

In 2026, 40% of 230 days were within WHO’s safe air quality limits, and 60% exceeded them. The risk of health issues is Significant, especially for those with existing respiratory or heart conditions.

Annual Air Quality Insights

Old Town, Heyuan, Guangdong Province, China

AQI levels in 2026

AQI (US)
PM₂.₅
PM₁₀
CO
SO₂
NO₂
O₃
Sun.Mon.Tue.Wed.Thu.Fri.Sat.

Jan.

Feb.

Mar.

Apr.

May

Jun.

Jul.

Aug.

Sep.

Oct.

Nov.

Dec.

-1th undefined 2026
-1th undefined 2026
-1th undefined 2026
-1th undefined 2026
1st January 2026
122AQI (US)
2nd January 2026
38AQI (US)
3rd January 2026
62AQI (US)
4th January 2026
72AQI (US)
5th January 2026
70AQI (US)
6th January 2026
69AQI (US)
7th January 2026
73AQI (US)
8th January 2026
59AQI (US)
9th January 2026
61AQI (US)
10th January 2026
57AQI (US)
11th January 2026
65AQI (US)
12th January 2026
69AQI (US)
13th January 2026
80AQI (US)
14th January 2026
89AQI (US)
15th January 2026
82AQI (US)
16th January 2026
83AQI (US)
17th January 2026
99AQI (US)
18th January 2026
99AQI (US)
19th January 2026
98AQI (US)
20th January 2026
120AQI (US)
21st January 2026
38AQI (US)
22nd January 2026
48AQI (US)
23rd January 2026
74AQI (US)
24th January 2026
77AQI (US)
25th January 2026
84AQI (US)
26th January 2026
72AQI (US)
27th January 2026
104AQI (US)
28th January 2026
66AQI (US)
29th January 2026
74AQI (US)
30th January 2026
72AQI (US)
31st January 2026
58AQI (US)
1st February 2026
37AQI (US)
2nd February 2026
53AQI (US)
3rd February 2026
62AQI (US)
4th February 2026
94AQI (US)
5th February 2026
77AQI (US)
6th February 2026
65AQI (US)
7th February 2026
45AQI (US)
8th February 2026
40AQI (US)
9th February 2026
63AQI (US)
10th February 2026
80AQI (US)
11th February 2026
57AQI (US)
12th February 2026
59AQI (US)
13th February 2026
81AQI (US)
14th February 2026
66AQI (US)
15th February 2026
41AQI (US)
16th February 2026
50AQI (US)
17th February 2026
63AQI (US)
18th February 2026
65AQI (US)
19th February 2026
82AQI (US)
20th February 2026
83AQI (US)
21st February 2026
95AQI (US)
22nd February 2026
80AQI (US)
23rd February 2026
82AQI (US)
24th February 2026
76AQI (US)
25th February 2026
67AQI (US)
26th February 2026
59AQI (US)
27th February 2026
57AQI (US)
28th February 2026
25AQI (US)
1st March 2026
27AQI (US)
2nd March 2026
47AQI (US)
3rd March 2026
20AQI (US)
4th March 2026
44AQI (US)
5th March 2026
73AQI (US)
6th March 2026
75AQI (US)
7th March 2026
76AQI (US)
8th March 2026
82AQI (US)
9th March 2026
76AQI (US)
10th March 2026
32AQI (US)
11th March 2026
55AQI (US)
12th March 2026
54AQI (US)
13th March 2026
76AQI (US)
14th March 2026
75AQI (US)
15th March 2026
76AQI (US)
16th March 2026
64AQI (US)
17th March 2026
61AQI (US)
18th March 2026
63AQI (US)
19th March 2026
70AQI (US)
20th March 2026
64AQI (US)
21st March 2026
41AQI (US)
22nd March 2026
67AQI (US)
23rd March 2026
96AQI (US)
24th March 2026
69AQI (US)
25th March 2026
84AQI (US)
26th March 2026
89AQI (US)
27th March 2026
79AQI (US)
28th March 2026
72AQI (US)
29th March 2026
65AQI (US)
30th March 2026
52AQI (US)
31st March 2026
60AQI (US)
1st April 2026
19AQI (US)
2nd April 2026
53AQI (US)
3rd April 2026
79AQI (US)
4th April 2026
39AQI (US)
5th April 2026
56AQI (US)
6th April 2026
64AQI (US)
7th April 2026
79AQI (US)
8th April 2026
44AQI (US)
9th April 2026
60AQI (US)
10th April 2026
64AQI (US)
11th April 2026
56AQI (US)
12th April 2026
63AQI (US)
13th April 2026
52AQI (US)
14th April 2026
60AQI (US)
15th April 2026
61AQI (US)
16th April 2026
68AQI (US)
17th April 2026
42AQI (US)
18th April 2026
63AQI (US)
19th April 2026
55AQI (US)
20th April 2026
70AQI (US)
21st April 2026
67AQI (US)
22nd April 2026
65AQI (US)
23rd April 2026
37AQI (US)
24th April 2026
41AQI (US)
25th April 2026
56AQI (US)
26th April 2026
71AQI (US)
27th April 2026
79AQI (US)
28th April 2026
62AQI (US)
29th April 2026
34AQI (US)
30th April 2026
30AQI (US)
1st May 2026
39AQI (US)
2nd May 2026
50AQI (US)
3rd May 2026
40AQI (US)
4th May 2026
50AQI (US)
5th May 2026
36AQI (US)
6th May 2026
43AQI (US)
7th May 2026
65AQI (US)
8th May 2026
27AQI (US)
9th May 2026
41AQI (US)
10th May 2026
67AQI (US)
11th May 2026
107AQI (US)
12th May 2026
104AQI (US)
13th May 2026
71AQI (US)
14th May 2026
23AQI (US)
15th May 2026
35AQI (US)
16th May 2026
62AQI (US)
17th May 2026
51AQI (US)
18th May 2026
51AQI (US)
19th May 2026
41AQI (US)
20th May 2026
61AQI (US)
21st May 2026
76AQI (US)
22nd May 2026
82AQI (US)
23rd May 2026
77AQI (US)
24th May 2026
72AQI (US)
25th May 2026
63AQI (US)
26th May 2026
49AQI (US)
27th May 2026
56AQI (US)
28th May 2026
59AQI (US)
29th May 2026
48AQI (US)
30th May 2026
34AQI (US)
31st May 2026
73AQI (US)
1st June 2026
66AQI (US)
2nd June 2026
76AQI (US)
3rd June 2026
65AQI (US)
4th June 2026
56AQI (US)
5th June 2026
44AQI (US)
6th June 2026
32AQI (US)
7th June 2026
45AQI (US)
8th June 2026
29AQI (US)
9th June 2026
25AQI (US)
10th June 2026
43AQI (US)
11th June 2026
36AQI (US)
12th June 2026
55AQI (US)
13th June 2026
61AQI (US)
14th June 2026
36AQI (US)
15th June 2026
21AQI (US)
16th June 2026
26AQI (US)
17th June 2026
25AQI (US)
18th June 2026
26AQI (US)
19th June 2026
27AQI (US)
20th June 2026
30AQI (US)
21st June 2026
28AQI (US)
22nd June 2026
42AQI (US)
23rd June 2026
53AQI (US)
24th June 2026
57AQI (US)
25th June 2026
46AQI (US)
26th June 2026
42AQI (US)
27th June 2026
46AQI (US)
28th June 2026
26AQI (US)
29th June 2026
28AQI (US)
30th June 2026
23AQI (US)
1st July 2026
40AQI (US)
2nd July 2026
39AQI (US)
3rd July 2026
32AQI (US)
4th July 2026
25AQI (US)
5th July 2026
23AQI (US)
6th July 2026
23AQI (US)
7th July 2026
25AQI (US)
8th July 2026
25AQI (US)
9th July 2026
26AQI (US)
10th July 2026
41AQI (US)
11th July 2026
49AQI (US)
12th July 2026
80AQI (US)
13th July 2026
55AQI (US)
14th July 2026
40AQI (US)
15th July 2026
24AQI (US)
16th July 2026
24AQI (US)
17th July 2026
42AQI (US)
18th July 2026
50AQI (US)
19th July 2026
59AQI (US)
20th July 2026
53AQI (US)
21st July 2026
64AQI (US)
22nd July 2026
79AQI (US)
23rd July 2026
71AQI (US)
24th July 2026
82AQI (US)
25th July 2026
78AQI (US)
26th July 2026
14AQI (US)
27th July 2026
28AQI (US)
28th July 2026
28AQI (US)
29th July 2026
24AQI (US)
30th July 2026
32AQI (US)
31st July 2026
33AQI (US)
1st August 2026
31AQI (US)
2nd August 2026
25AQI (US)
3rd August 2026
30AQI (US)
4th August 2026
28AQI (US)
5th August 2026
48AQI (US)
6th August 2026
73AQI (US)
7th August 2026
79AQI (US)
8th August 2026
72AQI (US)
9th August 2026
44AQI (US)
10th August 2026
53AQI (US)
11th August 2026
53AQI (US)
12th August 2026
70AQI (US)
13th August 2026
63AQI (US)
14th August 2026
49AQI (US)
15th August 2026
36AQI (US)
16th August 2026
46AQI (US)
17th August 2026
46AQI (US)
18th August 2026
33AQI (US)
19th August 2026
20th August 2026
21st August 2026
22nd August 2026
23rd August 2026
24th August 2026
25th August 2026
26th August 2026
27th August 2026
28th August 2026
29th August 2026
30th August 2026
31st August 2026
1st September 2026
2nd September 2026
3rd September 2026
4th September 2026
5th September 2026
6th September 2026
7th September 2026
8th September 2026
9th September 2026
10th September 2026
11th September 2026
12th September 2026
13th September 2026
14th September 2026
15th September 2026
16th September 2026
17th September 2026
18th September 2026
19th September 2026
20th September 2026
21st September 2026
22nd September 2026
23rd September 2026
24th September 2026
25th September 2026
26th September 2026
27th September 2026
28th September 2026
29th September 2026
30th September 2026
1st October 2026
2nd October 2026
3rd October 2026
4th October 2026
5th October 2026
6th October 2026
7th October 2026
8th October 2026
9th October 2026
10th October 2026
11th October 2026
12th October 2026
13th October 2026
14th October 2026
15th October 2026
16th October 2026
17th October 2026
18th October 2026
19th October 2026
20th October 2026
21st October 2026
22nd October 2026
23rd October 2026
24th October 2026
25th October 2026
26th October 2026
27th October 2026
28th October 2026
29th October 2026
30th October 2026
31st October 2026
1st November 2026
2nd November 2026
3rd November 2026
4th November 2026
5th November 2026
6th November 2026
7th November 2026
8th November 2026
9th November 2026
10th November 2026
11th November 2026
12th November 2026
13th November 2026
14th November 2026
15th November 2026
16th November 2026
17th November 2026
18th November 2026
19th November 2026
20th November 2026
21st November 2026
22nd November 2026
23rd November 2026
24th November 2026
25th November 2026
26th November 2026
27th November 2026
28th November 2026
29th November 2026
30th November 2026
1st December 2026
2nd December 2026
3rd December 2026
4th December 2026
5th December 2026
6th December 2026
7th December 2026
8th December 2026
9th December 2026
10th December 2026
11th December 2026
12th December 2026
13th December 2026
14th December 2026
15th December 2026
16th December 2026
17th December 2026
18th December 2026
19th December 2026
20th December 2026
21st December 2026
22nd December 2026
23rd December 2026
24th December 2026
25th December 2026
26th December 2026
27th December 2026
28th December 2026
29th December 2026
30th December 2026
31st December 2026

75AQI (US)

64AQI (US)

64AQI (US)

56AQI (US)

57AQI (US)

41AQI (US)

42AQI (US)

49AQI (US)

No. of days

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

202656AQI (US)

3
25
3
6
22
6
25
8
22
14
15
2
22
8
22
9
11
7
92
133
5

Highest AQI (US) recorded in

January

75AQI (US)

Lowest AQI (US) recorded in

June

41AQI (US)

202565AQI (US)

1
20
10
2
26
7
22
2
1
24
5
2
29
21
9
13
18
19
12
19
11
5
25
1
7
22
1
2
21
8
99
239
27

Highest AQI (US) recorded in

January

91AQI (US)

Lowest AQI (US) recorded in

June

46AQI (US)

202459AQI (US)

2
22
5
1
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
1

Highest AQI (US) recorded in

December

98AQI (US)

Lowest AQI (US) recorded in

July

34AQI (US)

202365AQI (US)

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 (US) recorded in

January

87AQI (US)

Lowest AQI (US) recorded in

June

41AQI (US)

202260AQI (US)

7
16
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
176
18
3

Highest AQI (US) recorded in

September

78AQI (US)

Lowest AQI (US) recorded in

June

32AQI (US)

202167AQI (US)

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 (US) recorded in

January

99AQI (US)

Lowest AQI (US) recorded in

June

44AQI (US)

202069AQI (US)

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 (US) recorded in

December

99AQI (US)

Lowest AQI (US) recorded in

June

46AQI (US)

Most & Least Polluted Years Over the Last 7 Years

Most Polluted Year Recorded
2020(Avg.)
69AQI (US)
Least Polluted Year Recorded
2026(Avg.)
56AQI (US)

Old Town's annual 2026 AQI (US) (56) shows an average percentage change of -12.4% (improved AQI (US)) compared to previous years: 2020 (69), 2021 (67), 2022 (60), 2023 (65), 2024 (59), 2025 (65).