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HistoryAQIPM₂.₅PM₁₀COSO₂NO₂O₃

Letters And Calls Building, Guli, Zhejiang, 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

Letters And Calls Building, Guli, Zhejiang, China

2022
2024
2025
2026
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
8th Aug 2024
78AQI
Lowest AQI recorded on
31st Aug 2022
28AQI

Same Day Analysis (18th August):
On this day, AQI across the 4 years varied significantly: 2026 ranks 3rd highest AQI at 34 of Good air quality, showing improvement over 2025 and 2024 on the same day.

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

Letters And Calls Building, Guli, Zhejiang, China

AQI
Day
Night
.

5 AM17th Aug 2026

6 PM

4 AM18th Aug 2026

Day time
Avg. Highest Time
9AM17th Aug

68AQI

Avg. Lowest Time
5PM17th Aug

21AQI

Night time
Avg. Highest Time
10PM17th Aug

67AQI

Avg. Lowest Time
3AM18th Aug

25AQI

In the last 24 hours,

Letters And Calls Building's AQI reached its highest point of 68 at 9 AM during the Day, while the lowest point, 21, was recorded at 5 PM during the Day between 17th Aug and 18th Aug 2026.

Day & Night AQI Trend : Jul - Aug 2026

Letters And Calls Building, Guli, Zhejiang, 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 2026255 AMAQI
20th Jul 2026276 AMAQI
20th Jul 2026277 AMAQI
20th Jul 2026388 AMAQI
20th Jul 2026449 AMAQI
20th Jul 20265010 AMAQI
20th Jul 20262711 AMAQI
20th Jul 20264212 PMAQI
20th Jul 2026271 PMAQI
20th Jul 2026212 PMAQI
20th Jul 2026253 PMAQI
20th Jul 2026214 PMAQI
20th Jul 2026255 PMAQI
20th Jul 2026256 PMAQI
20th Jul 2026297 PMAQI
20th Jul 2026338 PMAQI
20th Jul 2026219 PMAQI
20th Jul 20262510 PMAQI
20th Jul 20262511 PMAQI
21st Jul 20263312 AMAQI
21st Jul 2026331 AMAQI
21st Jul 2026212 AMAQI
21st Jul 2026343 AMAQI
21st Jul 2026254 AMAQI

27°C22/35°C

21st Jul 2026235 AMAQI
21st Jul 2026216 AMAQI
21st Jul 2026257 AMAQI
21st Jul 2026218 AMAQI
21st Jul 2026259 AMAQI
21st Jul 20262910 AMAQI
21st Jul 20262312 PMAQI
21st Jul 2026211 PMAQI
21st Jul 2026212 PMAQI
21st Jul 2026213 PMAQI
21st Jul 2026214 PMAQI
21st Jul 2026215 PMAQI
21st Jul 2026786 PMAQI
21st Jul 2026257 PMAQI
21st Jul 2026258 PMAQI
21st Jul 2026299 PMAQI
21st Jul 20262510 PMAQI
21st Jul 20262111 PMAQI
22nd Jul 20263212 AMAQI
22nd Jul 2026251 AMAQI
22nd Jul 2026232 AMAQI
22nd Jul 2026343 AMAQI
22nd Jul 2026214 AMAQI

25°C22/31°C

22nd Jul 2026215 AMAQI
22nd Jul 2026236 AMAQI
22nd Jul 2026237 AMAQI
22nd Jul 2026298 AMAQI
22nd Jul 2026339 AMAQI
22nd Jul 20264210 AMAQI
22nd Jul 20264711 AMAQI
22nd Jul 20264212 PMAQI
22nd Jul 2026381 PMAQI
22nd Jul 2026532 PMAQI
22nd Jul 2026513 PMAQI
22nd Jul 2026404 PMAQI
22nd Jul 2026525 PMAQI
22nd Jul 2026516 PMAQI
22nd Jul 2026507 PMAQI
22nd Jul 2026448 PMAQI
22nd Jul 2026449 PMAQI
22nd Jul 20264010 PMAQI
22nd Jul 20263611 PMAQI
23rd Jul 20263312 AMAQI
23rd Jul 2026381 AMAQI
23rd Jul 2026422 AMAQI
23rd Jul 2026423 AMAQI
23rd Jul 2026444 AMAQI

27°C21/36°C

23rd Jul 2026425 AMAQI
23rd Jul 2026486 AMAQI
23rd Jul 2026537 AMAQI
23rd Jul 2026588 AMAQI
23rd Jul 2026659 AMAQI
23rd Jul 20266410 AMAQI
23rd Jul 20266611 AMAQI
23rd Jul 20266212 PMAQI
23rd Jul 2026641 PMAQI
23rd Jul 2026592 PMAQI
23rd Jul 2026593 PMAQI
23rd Jul 2026574 PMAQI
23rd Jul 2026565 PMAQI
23rd Jul 2026586 PMAQI
23rd Jul 2026567 PMAQI
23rd Jul 2026608 PMAQI
23rd Jul 2026669 PMAQI
23rd Jul 20266810 PMAQI
23rd Jul 20266811 PMAQI
24th Jul 20267112 AMAQI
24th Jul 2026711 AMAQI
24th Jul 2026722 AMAQI
24th Jul 2026683 AMAQI
24th Jul 2026674 AMAQI

27°C21/36°C

24th Jul 2026655 AMAQI
24th Jul 2026656 AMAQI
24th Jul 2026627 AMAQI
24th Jul 2026658 AMAQI
24th Jul 2026609 AMAQI
24th Jul 20266010 AMAQI
24th Jul 20266611 AMAQI
24th Jul 20266212 PMAQI
24th Jul 2026601 PMAQI
24th Jul 2026572 PMAQI
24th Jul 2026573 PMAQI
24th Jul 2026544 PMAQI
24th Jul 2026255 PMAQI
24th Jul 2026316 PMAQI
24th Jul 2026387 PMAQI
24th Jul 2026448 PMAQI
24th Jul 2026499 PMAQI
24th Jul 20263810 PMAQI
24th Jul 20262711 PMAQI
25th Jul 20262112 AMAQI
25th Jul 2026171 AMAQI
25th Jul 2026172 AMAQI
25th Jul 2026143 AMAQI
25th Jul 2026194 AMAQI

27°C21/37°C

25th Jul 2026195 AMAQI
25th Jul 2026176 AMAQI
25th Jul 2026197 AMAQI
25th Jul 2026198 AMAQI
25th Jul 2026129 AMAQI
25th Jul 2026910 AMAQI
25th Jul 20261011 AMAQI
25th Jul 2026912 PMAQI
25th Jul 202691 PMAQI
25th Jul 202692 PMAQI
25th Jul 2026103 PMAQI
25th Jul 2026104 PMAQI
25th Jul 2026155 PMAQI
25th Jul 2026176 PMAQI
25th Jul 2026177 PMAQI
25th Jul 2026208 PMAQI
25th Jul 2026219 PMAQI
25th Jul 20262110 PMAQI
25th Jul 20261911 PMAQI
26th Jul 20261712 AMAQI
26th Jul 2026151 AMAQI
26th Jul 2026172 AMAQI
26th Jul 2026193 AMAQI
26th Jul 2026174 AMAQI

27°C21/35°C

26th Jul 2026175 AMAQI
26th Jul 2026196 AMAQI
26th Jul 2026217 AMAQI
26th Jul 2026218 AMAQI
26th Jul 2026279 AMAQI
26th Jul 20262910 AMAQI
26th Jul 20262511 AMAQI
26th Jul 20262112 PMAQI
26th Jul 2026211 PMAQI
26th Jul 2026252 PMAQI
26th Jul 2026273 PMAQI
26th Jul 2026214 PMAQI
26th Jul 2026235 PMAQI
26th Jul 2026216 PMAQI
26th Jul 2026237 PMAQI
26th Jul 2026258 PMAQI
26th Jul 2026239 PMAQI
26th Jul 20262310 PMAQI
26th Jul 20262111 PMAQI
27th Jul 20262112 AMAQI
27th Jul 2026211 AMAQI
27th Jul 2026212 AMAQI
27th Jul 2026213 AMAQI
27th Jul 2026214 AMAQI

27°C21/34°C

27th Jul 2026215 AMAQI
27th Jul 2026216 AMAQI
27th Jul 2026217 AMAQI
27th Jul 2026218 AMAQI
27th Jul 2026239 AMAQI
27th Jul 20262310 AMAQI
27th Jul 20262111 AMAQI
27th Jul 20262112 PMAQI
27th Jul 2026251 PMAQI
27th Jul 2026252 PMAQI
27th Jul 2026233 PMAQI
27th Jul 2026234 PMAQI
27th Jul 2026255 PMAQI
27th Jul 2026236 PMAQI
27th Jul 2026217 PMAQI
27th Jul 2026238 PMAQI
27th Jul 2026259 PMAQI
27th Jul 20262510 PMAQI
27th Jul 20262511 PMAQI
28th Jul 20262512 AMAQI
28th Jul 2026341 AMAQI
28th Jul 2026382 AMAQI
28th Jul 2026293 AMAQI
28th Jul 2026324 AMAQI

26°C21/33°C

28th Jul 2026315 AMAQI
28th Jul 2026296 AMAQI
28th Jul 2026297 AMAQI
28th Jul 2026338 AMAQI
28th Jul 2026299 AMAQI
28th Jul 20263110 AMAQI
28th Jul 20263111 AMAQI
28th Jul 20262912 PMAQI
28th Jul 2026251 PMAQI
28th Jul 2026232 PMAQI
28th Jul 2026233 PMAQI
28th Jul 2026254 PMAQI
28th Jul 2026255 PMAQI
28th Jul 2026236 PMAQI
28th Jul 2026217 PMAQI
28th Jul 2026218 PMAQI
28th Jul 2026219 PMAQI
28th Jul 20262110 PMAQI
28th Jul 20262111 PMAQI
29th Jul 20262312 AMAQI
29th Jul 2026211 AMAQI
29th Jul 2026252 AMAQI
29th Jul 2026213 AMAQI
29th Jul 2026214 AMAQI

26°C21/32°C

29th Jul 2026215 AMAQI
29th Jul 2026216 AMAQI
29th Jul 2026217 AMAQI
29th Jul 2026238 AMAQI
29th Jul 2026239 AMAQI
29th Jul 20262110 AMAQI
29th Jul 20262511 AMAQI
29th Jul 20262512 PMAQI
29th Jul 2026251 PMAQI
29th Jul 2026252 PMAQI
29th Jul 2026293 PMAQI
29th Jul 2026294 PMAQI
29th Jul 2026385 PMAQI
29th Jul 2026486 PMAQI
29th Jul 2026327 PMAQI
29th Jul 2026238 PMAQI
29th Jul 2026299 PMAQI
29th Jul 20264210 PMAQI
29th Jul 20265111 PMAQI
30th Jul 20265612 AMAQI
30th Jul 2026541 AMAQI
30th Jul 2026382 AMAQI
30th Jul 2026363 AMAQI
30th Jul 2026484 AMAQI

26°C20/35°C

30th Jul 2026445 AMAQI
30th Jul 2026446 AMAQI
30th Jul 2026447 AMAQI
30th Jul 2026428 AMAQI
30th Jul 2026409 AMAQI
30th Jul 20265110 AMAQI
30th Jul 20265311 AMAQI
30th Jul 20263812 PMAQI
30th Jul 2026381 PMAQI
30th Jul 2026312 PMAQI
30th Jul 2026273 PMAQI
30th Jul 2026294 PMAQI
30th Jul 2026275 PMAQI
30th Jul 2026236 PMAQI
30th Jul 2026227 PMAQI
30th Jul 2026238 PMAQI
30th Jul 2026239 PMAQI
30th Jul 20262510 PMAQI
30th Jul 20264611 PMAQI
31st Jul 20262912 AMAQI
31st Jul 2026251 AMAQI
31st Jul 2026212 AMAQI
31st Jul 2026233 AMAQI
31st Jul 2026254 AMAQI

28°C20/37°C

31st Jul 2026275 AMAQI
31st Jul 2026276 AMAQI
31st Jul 2026337 AMAQI
31st Jul 2026338 AMAQI
31st Jul 2026299 AMAQI
31st Jul 20262510 AMAQI
31st Jul 20262111 AMAQI
31st Jul 20262112 PMAQI
31st Jul 2026211 PMAQI
31st Jul 2026212 PMAQI
31st Jul 2026463 PMAQI
31st Jul 2026484 PMAQI
31st Jul 2026465 PMAQI
31st Jul 2026526 PMAQI
31st Jul 2026557 PMAQI
31st Jul 2026258 PMAQI
31st Jul 2026369 PMAQI
31st Jul 20263810 PMAQI
31st Jul 20262911 PMAQI
1st Aug 20264612 AMAQI
1st Aug 2026381 AMAQI
1st Aug 2026422 AMAQI
1st Aug 2026333 AMAQI
1st Aug 2026474 AMAQI

27°C20/37°C

1st Aug 2026515 AMAQI
1st Aug 2026556 AMAQI
1st Aug 2026537 AMAQI
1st Aug 2026448 AMAQI
1st Aug 2026429 AMAQI
1st Aug 20263310 AMAQI
1st Aug 20263211 AMAQI
1st Aug 20262712 PMAQI
1st Aug 2026271 PMAQI
1st Aug 2026292 PMAQI
1st Aug 2026383 PMAQI
1st Aug 2026464 PMAQI
1st Aug 2026535 PMAQI
1st Aug 2026606 PMAQI
1st Aug 2026687 PMAQI
1st Aug 2026658 PMAQI
1st Aug 2026709 PMAQI
1st Aug 20265810 PMAQI
1st Aug 20267611 PMAQI
2nd Aug 20267312 AMAQI
2nd Aug 2026541 AMAQI
2nd Aug 2026312 AMAQI
2nd Aug 2026253 AMAQI
2nd Aug 2026254 AMAQI

27°C19/37°C

2nd Aug 2026255 AMAQI
2nd Aug 2026216 AMAQI
2nd Aug 2026237 AMAQI
2nd Aug 2026258 AMAQI
2nd Aug 2026299 AMAQI
2nd Aug 20262910 AMAQI
2nd Aug 20262711 AMAQI
2nd Aug 20262512 PMAQI
2nd Aug 2026251 PMAQI
2nd Aug 2026232 PMAQI
2nd Aug 2026233 PMAQI
2nd Aug 2026254 PMAQI
2nd Aug 2026405 PMAQI
2nd Aug 2026626 PMAQI
2nd Aug 2026767 PMAQI
2nd Aug 2026798 PMAQI
2nd Aug 2026819 PMAQI
2nd Aug 20267410 PMAQI
2nd Aug 20266511 PMAQI
3rd Aug 20265812 AMAQI
3rd Aug 2026491 AMAQI
3rd Aug 2026442 AMAQI
3rd Aug 2026443 AMAQI
3rd Aug 2026524 AMAQI

28°C21/37°C

3rd Aug 2026625 AMAQI
3rd Aug 2026766 AMAQI
3rd Aug 2026817 AMAQI
3rd Aug 2026708 AMAQI
3rd Aug 2026699 AMAQI
3rd Aug 20266910 AMAQI
3rd Aug 20267011 AMAQI
3rd Aug 20265912 PMAQI
3rd Aug 2026591 PMAQI
3rd Aug 2026532 PMAQI
3rd Aug 2026503 PMAQI
3rd Aug 2026514 PMAQI
3rd Aug 2026535 PMAQI
3rd Aug 2026566 PMAQI
3rd Aug 2026597 PMAQI
3rd Aug 2026678 PMAQI
3rd Aug 2026669 PMAQI
3rd Aug 20267010 PMAQI
3rd Aug 20266911 PMAQI
4th Aug 20265812 AMAQI
4th Aug 2026561 AMAQI
4th Aug 2026542 AMAQI
4th Aug 2026513 AMAQI
4th Aug 2026534 AMAQI

28°C22/37°C

4th Aug 2026545 AMAQI
4th Aug 2026556 AMAQI
4th Aug 2026557 AMAQI
4th Aug 2026588 AMAQI
4th Aug 2026669 AMAQI
4th Aug 20266310 AMAQI
4th Aug 20266011 AMAQI
4th Aug 20265712 PMAQI
4th Aug 2026421 PMAQI
4th Aug 2026312 PMAQI
4th Aug 2026333 PMAQI
4th Aug 2026364 PMAQI
4th Aug 2026335 PMAQI
4th Aug 2026276 PMAQI
4th Aug 2026297 PMAQI
4th Aug 2026448 PMAQI
4th Aug 2026479 PMAQI
4th Aug 20265510 PMAQI
4th Aug 20265611 PMAQI
5th Aug 20266012 AMAQI
5th Aug 2026641 AMAQI
5th Aug 2026672 AMAQI
5th Aug 2026683 AMAQI
5th Aug 2026584 AMAQI

28°C21/36°C

5th Aug 2026595 AMAQI
5th Aug 2026586 AMAQI
5th Aug 2026767 AMAQI
5th Aug 2026768 AMAQI
5th Aug 2026699 AMAQI
5th Aug 20265910 AMAQI
5th Aug 20265811 AMAQI
5th Aug 20265212 PMAQI
5th Aug 2026481 PMAQI
5th Aug 2026422 PMAQI
5th Aug 2026403 PMAQI
5th Aug 2026404 PMAQI
5th Aug 2026385 PMAQI
5th Aug 2026316 PMAQI
5th Aug 2026317 PMAQI
5th Aug 2026318 PMAQI
5th Aug 2026319 PMAQI
5th Aug 20262910 PMAQI
5th Aug 20262911 PMAQI
6th Aug 20263112 AMAQI
6th Aug 2026311 AMAQI
6th Aug 2026382 AMAQI
6th Aug 2026363 AMAQI
6th Aug 2026364 AMAQI

27°C21/34°C

6th Aug 2026465 AMAQI
6th Aug 2026366 AMAQI
6th Aug 2026387 AMAQI
6th Aug 2026388 AMAQI
6th Aug 2026559 AMAQI
6th Aug 20265410 AMAQI
6th Aug 20265811 AMAQI
6th Aug 20266212 PMAQI
6th Aug 2026591 PMAQI
6th Aug 2026582 PMAQI
6th Aug 2026543 PMAQI
6th Aug 2026484 PMAQI
6th Aug 2026485 PMAQI
6th Aug 2026236 PMAQI
6th Aug 2026367 PMAQI
6th Aug 2026368 PMAQI
6th Aug 2026259 PMAQI
6th Aug 20262910 PMAQI
6th Aug 20263811 PMAQI
7th Aug 20263812 AMAQI
7th Aug 2026331 AMAQI
7th Aug 2026362 AMAQI
7th Aug 2026333 AMAQI
7th Aug 2026334 AMAQI

26°C21/35°C

7th Aug 2026295 AMAQI
7th Aug 2026296 AMAQI
7th Aug 2026427 AMAQI
7th Aug 2026468 AMAQI
7th Aug 2026489 AMAQI
7th Aug 20264810 AMAQI
7th Aug 20264611 AMAQI
7th Aug 20264612 PMAQI
7th Aug 2026461 PMAQI
7th Aug 2026442 PMAQI
7th Aug 2026403 PMAQI
7th Aug 2026364 PMAQI
7th Aug 2026295 PMAQI
7th Aug 2026296 PMAQI
7th Aug 2026297 PMAQI
7th Aug 2026388 PMAQI
7th Aug 2026449 PMAQI
7th Aug 20264810 PMAQI
7th Aug 20264611 PMAQI
8th Aug 20265312 AMAQI
8th Aug 2026481 AMAQI
8th Aug 2026442 AMAQI
8th Aug 2026363 AMAQI
8th Aug 2026424 AMAQI

27°C21/35°C

8th Aug 2026445 AMAQI
8th Aug 2026386 AMAQI
8th Aug 2026337 AMAQI
8th Aug 2026338 AMAQI
8th Aug 2026369 AMAQI
8th Aug 20264210 AMAQI
8th Aug 20264611 AMAQI
8th Aug 20264612 PMAQI
8th Aug 2026421 PMAQI
8th Aug 2026292 PMAQI
8th Aug 2026363 PMAQI
8th Aug 2026294 PMAQI
8th Aug 2026295 PMAQI
8th Aug 2026306 PMAQI
8th Aug 2026317 PMAQI
8th Aug 2026318 PMAQI
8th Aug 2026349 PMAQI
8th Aug 20263810 PMAQI
8th Aug 20262911 PMAQI
9th Aug 20263612 AMAQI
9th Aug 2026321 AMAQI
9th Aug 2026252 AMAQI
9th Aug 2026463 AMAQI
9th Aug 2026274 AMAQI

25°C22/30°C

9th Aug 2026275 AMAQI
9th Aug 2026326 AMAQI
9th Aug 2026387 AMAQI
9th Aug 2026388 AMAQI
9th Aug 2026349 AMAQI
9th Aug 20264010 AMAQI
9th Aug 20264211 AMAQI
9th Aug 20263412 PMAQI
9th Aug 2026341 PMAQI
9th Aug 2026292 PMAQI
9th Aug 2026273 PMAQI
9th Aug 2026304 PMAQI
9th Aug 2026215 PMAQI
9th Aug 2026256 PMAQI
9th Aug 2026257 PMAQI
9th Aug 2026338 PMAQI
9th Aug 2026469 PMAQI
9th Aug 20264010 PMAQI
9th Aug 20264011 PMAQI
10th Aug 20263612 AMAQI
10th Aug 2026461 AMAQI
10th Aug 2026422 AMAQI
10th Aug 2026383 AMAQI
10th Aug 2026524 AMAQI

24°C23/25°C

10th Aug 2026555 AMAQI
10th Aug 2026566 AMAQI
10th Aug 2026537 AMAQI
10th Aug 2026528 AMAQI
10th Aug 2026529 AMAQI
10th Aug 20264210 AMAQI
10th Aug 20264411 AMAQI
10th Aug 20264412 PMAQI
10th Aug 2026251 PMAQI
10th Aug 2026362 PMAQI
10th Aug 2026383 PMAQI
10th Aug 2026314 PMAQI
10th Aug 2026345 PMAQI
10th Aug 2026276 PMAQI
10th Aug 2026347 PMAQI
10th Aug 2026318 PMAQI
10th Aug 2026369 PMAQI
10th Aug 20265310 PMAQI
10th Aug 20265511 PMAQI
11th Aug 20265312 AMAQI
11th Aug 2026631 AMAQI
11th Aug 2026532 AMAQI
11th Aug 2026443 AMAQI
11th Aug 2026574 AMAQI

24°C22/26°C

11th Aug 2026585 AMAQI
11th Aug 2026606 AMAQI
11th Aug 2026587 AMAQI
11th Aug 2026568 AMAQI
11th Aug 2026559 AMAQI
11th Aug 20265710 AMAQI
11th Aug 20265311 AMAQI
11th Aug 20265612 PMAQI
11th Aug 2026601 PMAQI
11th Aug 2026642 PMAQI
11th Aug 2026563 PMAQI
11th Aug 2026624 PMAQI
11th Aug 2026625 PMAQI
11th Aug 2026746 PMAQI
11th Aug 2026767 PMAQI
11th Aug 2026698 PMAQI
11th Aug 2026609 PMAQI
11th Aug 20267410 PMAQI
11th Aug 20267111 PMAQI
12th Aug 20266712 AMAQI
12th Aug 2026811 AMAQI
12th Aug 2026742 AMAQI
12th Aug 2026513 AMAQI
12th Aug 2026644 AMAQI

26°C22/32°C

12th Aug 2026715 AMAQI
12th Aug 2026526 AMAQI
12th Aug 2026367 AMAQI
12th Aug 2026408 AMAQI
12th Aug 2026509 AMAQI
12th Aug 20266410 AMAQI
12th Aug 20264611 AMAQI
12th Aug 20263612 PMAQI
12th Aug 2026291 PMAQI
12th Aug 2026442 PMAQI
12th Aug 2026423 PMAQI
12th Aug 2026504 PMAQI
12th Aug 2026215 PMAQI
12th Aug 2026256 PMAQI
12th Aug 2026257 PMAQI
12th Aug 2026298 PMAQI
12th Aug 2026339 PMAQI
12th Aug 20262110 PMAQI
12th Aug 20262311 PMAQI
13th Aug 20262912 AMAQI
13th Aug 2026291 AMAQI
13th Aug 2026362 AMAQI
13th Aug 2026313 AMAQI
13th Aug 2026294 AMAQI

26°C22/32°C

13th Aug 2026365 AMAQI
13th Aug 2026516 AMAQI
13th Aug 2026427 AMAQI
13th Aug 2026518 AMAQI
13th Aug 2026609 AMAQI
13th Aug 20266310 AMAQI
13th Aug 20266911 AMAQI
13th Aug 20267812 PMAQI
13th Aug 2026661 PMAQI
13th Aug 2026542 PMAQI
13th Aug 2026423 PMAQI
13th Aug 2026254 PMAQI
13th Aug 2026235 PMAQI
13th Aug 2026276 PMAQI
13th Aug 2026507 PMAQI
13th Aug 2026488 PMAQI
13th Aug 2026449 PMAQI
13th Aug 20264010 PMAQI
13th Aug 20265211 PMAQI
14th Aug 20264912 AMAQI
14th Aug 2026361 AMAQI
14th Aug 2026292 AMAQI
14th Aug 2026293 AMAQI
14th Aug 2026274 AMAQI

26°C21/33°C

14th Aug 2026315 AMAQI
14th Aug 2026296 AMAQI
14th Aug 2026297 AMAQI
14th Aug 2026428 AMAQI
14th Aug 2026539 AMAQI
14th Aug 20265310 AMAQI
14th Aug 20265111 AMAQI
14th Aug 20265412 PMAQI
14th Aug 2026551 PMAQI
14th Aug 2026542 PMAQI
14th Aug 2026483 PMAQI
14th Aug 2026404 PMAQI
14th Aug 2026365 PMAQI
14th Aug 2026276 PMAQI
14th Aug 2026277 PMAQI
14th Aug 2026368 PMAQI
14th Aug 2026299 PMAQI
14th Aug 20263310 PMAQI
14th Aug 20262511 PMAQI
15th Aug 20264612 AMAQI
15th Aug 2026421 AMAQI
15th Aug 2026332 AMAQI
15th Aug 2026293 AMAQI
15th Aug 2026384 AMAQI

26°C22/34°C

15th Aug 2026445 AMAQI
15th Aug 2026426 AMAQI
15th Aug 2026387 AMAQI
15th Aug 2026298 AMAQI
15th Aug 2026299 AMAQI
15th Aug 20262310 AMAQI
15th Aug 20262911 AMAQI
15th Aug 20264012 PMAQI
15th Aug 2026521 PMAQI
15th Aug 2026422 PMAQI
15th Aug 2026503 PMAQI
15th Aug 2026524 PMAQI
15th Aug 2026505 PMAQI
15th Aug 2026276 PMAQI
15th Aug 2026297 PMAQI
15th Aug 2026298 PMAQI
15th Aug 2026259 PMAQI
15th Aug 20262910 PMAQI
15th Aug 20262111 PMAQI
16th Aug 20263812 AMAQI
16th Aug 2026381 AMAQI
16th Aug 2026252 AMAQI
16th Aug 2026253 AMAQI
16th Aug 2026294 AMAQI

25°C21/32°C

16th Aug 2026365 AMAQI
16th Aug 2026256 AMAQI
16th Aug 2026257 AMAQI
16th Aug 2026218 AMAQI
16th Aug 2026259 AMAQI
16th Aug 20263610 AMAQI
16th Aug 20264411 AMAQI
16th Aug 20263312 PMAQI
16th Aug 2026361 PMAQI
16th Aug 2026212 PMAQI
16th Aug 2026213 PMAQI
16th Aug 2026334 PMAQI
16th Aug 2026405 PMAQI
16th Aug 2026256 PMAQI
16th Aug 2026257 PMAQI
16th Aug 2026278 PMAQI
16th Aug 2026299 PMAQI
16th Aug 20262910 PMAQI
16th Aug 20264011 PMAQI
17th Aug 20264412 AMAQI
17th Aug 2026421 AMAQI
17th Aug 2026442 AMAQI
17th Aug 2026403 AMAQI
17th Aug 2026364 AMAQI

25°C21/31°C

17th Aug 2026505 AMAQI
17th Aug 2026516 AMAQI
17th Aug 2026537 AMAQI
17th Aug 2026628 AMAQI
17th Aug 2026689 AMAQI
17th Aug 20266210 AMAQI
17th Aug 20265011 AMAQI
17th Aug 20263812 PMAQI
17th Aug 2026211 PMAQI
17th Aug 2026212 PMAQI
17th Aug 2026213 PMAQI
17th Aug 2026214 PMAQI
17th Aug 2026215 PMAQI
17th Aug 2026236 PMAQI
17th Aug 2026257 PMAQI
17th Aug 2026508 PMAQI
17th Aug 2026649 PMAQI
17th Aug 20266710 PMAQI
17th Aug 20265711 PMAQI
18th Aug 20265312 AMAQI
18th Aug 2026401 AMAQI
18th Aug 2026252 AMAQI
18th Aug 2026253 AMAQI
18th Aug 2026274 AMAQI

15°C11/19°C

18th Aug 2026385 AMAQI
5 AM
18th Aug 2026466 AMAQI
18th Aug 2026547 AMAQI
18th Aug 2026588 AMAQI
18th Aug 2026589 AMAQI
18th Aug 20264410 AMAQI
18th Aug 20262911 AMAQI
11 AM
18th Aug 20262312 PMAQI
18th Aug 2026231 PMAQI
18th Aug 2026252 PMAQI
18th Aug 2026253 PMAQI
18th Aug 2026234 PMAQI
18th Aug 2026215 PMAQI
18th Aug 2026236 PMAQI
6 PM
18th Aug 2026237 PMAQI
18th Aug 2026298 PMAQI
18th Aug 2026389 PMAQI
18th Aug 20263610 PMAQI
18th Aug 20264011 PMAQI
11 PM
4 AM

27°C23/33°C

Day time
Avg. Highest Time
9 AM - 11 AM

44AQI

3 hours / Day
90 hours / Month
Avg. Lowest Time
1 PM - 5 PM

36AQI

5 hours / Day
150 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 9 AM to 11 AM (Avg. 44), while the lowest AQI was between 1 PM to 5 PM (Avg. 36).
Night time
Avg. Highest Time
12 AM

42AQI

1 hours / Day
30 hours / Month
Avg. Lowest Time
3 AM

35AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 12 AM (Avg. 42), while the lowest AQI was between 3 AM to 3 AM (Avg. 35).

2026 Days Vs Air Quality

Letters And Calls Building, Guli, Zhejiang, China

2026

51%

118

43%

99

6%

13

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

Good
118 Days
Moderate
99 Days
Poor
13 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 51%

Health Risk Level:

Considerable

In 2026, 51% of 230 days were within WHO’s safe air quality limits, and 49% exceeded them. The risk of health issues is Considerable, with potential for conditions in sensitive individuals.

Annual Air Quality Insights

Letters And Calls Building, Guli, Zhejiang, 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
42AQI (US)
2nd January 2026
49AQI (US)
3rd January 2026
119AQI (US)
4th January 2026
104AQI (US)
5th January 2026
100AQI (US)
6th January 2026
102AQI (US)
7th January 2026
87AQI (US)
8th January 2026
77AQI (US)
9th January 2026
76AQI (US)
10th January 2026
73AQI (US)
11th January 2026
82AQI (US)
12th January 2026
82AQI (US)
13th January 2026
88AQI (US)
14th January 2026
87AQI (US)
15th January 2026
84AQI (US)
16th January 2026
93AQI (US)
17th January 2026
105AQI (US)
18th January 2026
131AQI (US)
19th January 2026
85AQI (US)
20th January 2026
26AQI (US)
21st January 2026
71AQI (US)
22nd January 2026
114AQI (US)
23rd January 2026
142AQI (US)
24th January 2026
119AQI (US)
25th January 2026
89AQI (US)
26th January 2026
78AQI (US)
27th January 2026
40AQI (US)
28th January 2026
120AQI (US)
29th January 2026
82AQI (US)
30th January 2026
26AQI (US)
31st January 2026
22AQI (US)
1st February 2026
69AQI (US)
2nd February 2026
107AQI (US)
3rd February 2026
125AQI (US)
4th February 2026
79AQI (US)
5th February 2026
96AQI (US)
6th February 2026
86AQI (US)
7th February 2026
33AQI (US)
8th February 2026
74AQI (US)
9th February 2026
57AQI (US)
10th February 2026
54AQI (US)
11th February 2026
69AQI (US)
12th February 2026
81AQI (US)
13th February 2026
104AQI (US)
14th February 2026
92AQI (US)
15th February 2026
71AQI (US)
16th February 2026
24AQI (US)
17th February 2026
83AQI (US)
18th February 2026
94AQI (US)
19th February 2026
64AQI (US)
20th February 2026
53AQI (US)
21st February 2026
59AQI (US)
22nd February 2026
76AQI (US)
23rd February 2026
82AQI (US)
24th February 2026
40AQI (US)
25th February 2026
33AQI (US)
26th February 2026
50AQI (US)
27th February 2026
22AQI (US)
28th February 2026
42AQI (US)
1st March 2026
47AQI (US)
2nd March 2026
35AQI (US)
3rd March 2026
39AQI (US)
4th March 2026
79AQI (US)
5th March 2026
44AQI (US)
6th March 2026
74AQI (US)
7th March 2026
98AQI (US)
8th March 2026
72AQI (US)
9th March 2026
82AQI (US)
10th March 2026
84AQI (US)
11th March 2026
79AQI (US)
12th March 2026
83AQI (US)
13th March 2026
98AQI (US)
14th March 2026
75AQI (US)
15th March 2026
89AQI (US)
16th March 2026
65AQI (US)
17th March 2026
54AQI (US)
18th March 2026
71AQI (US)
19th March 2026
32AQI (US)
20th March 2026
48AQI (US)
21st March 2026
25AQI (US)
22nd March 2026
42AQI (US)
23rd March 2026
55AQI (US)
24th March 2026
25AQI (US)
25th March 2026
44AQI (US)
26th March 2026
57AQI (US)
27th March 2026
48AQI (US)
28th March 2026
40AQI (US)
29th March 2026
40AQI (US)
30th March 2026
46AQI (US)
31st March 2026
30AQI (US)
1st April 2026
22AQI (US)
2nd April 2026
54AQI (US)
3rd April 2026
49AQI (US)
4th April 2026
38AQI (US)
5th April 2026
67AQI (US)
6th April 2026
66AQI (US)
7th April 2026
62AQI (US)
8th April 2026
20AQI (US)
9th April 2026
65AQI (US)
10th April 2026
57AQI (US)
11th April 2026
52AQI (US)
12th April 2026
20AQI (US)
13th April 2026
83AQI (US)
14th April 2026
69AQI (US)
15th April 2026
70AQI (US)
16th April 2026
38AQI (US)
17th April 2026
47AQI (US)
18th April 2026
71AQI (US)
19th April 2026
68AQI (US)
20th April 2026
86AQI (US)
21st April 2026
62AQI (US)
22nd April 2026
21AQI (US)
23rd April 2026
25AQI (US)
24th April 2026
51AQI (US)
25th April 2026
64AQI (US)
26th April 2026
69AQI (US)
27th April 2026
74AQI (US)
28th April 2026
94AQI (US)
29th April 2026
32AQI (US)
30th April 2026
20AQI (US)
1st May 2026
38AQI (US)
2nd May 2026
42AQI (US)
3rd May 2026
50AQI (US)
4th May 2026
45AQI (US)
5th May 2026
41AQI (US)
6th May 2026
40AQI (US)
7th May 2026
62AQI (US)
8th May 2026
53AQI (US)
9th May 2026
28AQI (US)
10th May 2026
35AQI (US)
11th May 2026
50AQI (US)
12th May 2026
52AQI (US)
13th May 2026
74AQI (US)
14th May 2026
32AQI (US)
15th May 2026
18AQI (US)
16th May 2026
74AQI (US)
17th May 2026
59AQI (US)
18th May 2026
53AQI (US)
19th May 2026
45AQI (US)
20th May 2026
62AQI (US)
21st May 2026
68AQI (US)
22nd May 2026
73AQI (US)
23rd May 2026
65AQI (US)
24th May 2026
64AQI (US)
25th May 2026
57AQI (US)
26th May 2026
43AQI (US)
27th May 2026
43AQI (US)
28th May 2026
66AQI (US)
29th May 2026
71AQI (US)
30th May 2026
75AQI (US)
31st May 2026
50AQI (US)
1st June 2026
49AQI (US)
2nd June 2026
74AQI (US)
3rd June 2026
101AQI (US)
4th June 2026
50AQI (US)
5th June 2026
47AQI (US)
6th June 2026
59AQI (US)
7th June 2026
83AQI (US)
8th June 2026
49AQI (US)
9th June 2026
24AQI (US)
10th June 2026
55AQI (US)
11th June 2026
48AQI (US)
12th June 2026
44AQI (US)
13th June 2026
41AQI (US)
14th June 2026
16AQI (US)
15th June 2026
57AQI (US)
16th June 2026
51AQI (US)
17th June 2026
41AQI (US)
18th June 2026
28AQI (US)
19th June 2026
13AQI (US)
20th June 2026
36AQI (US)
21st June 2026
41AQI (US)
22nd June 2026
46AQI (US)
23rd June 2026
40AQI (US)
24th June 2026
49AQI (US)
25th June 2026
35AQI (US)
26th June 2026
41AQI (US)
27th June 2026
60AQI (US)
28th June 2026
44AQI (US)
29th June 2026
23AQI (US)
30th June 2026
44AQI (US)
1st July 2026
50AQI (US)
2nd July 2026
35AQI (US)
3rd July 2026
44AQI (US)
4th July 2026
25AQI (US)
5th July 2026
32AQI (US)
6th July 2026
25AQI (US)
7th July 2026
35AQI (US)
8th July 2026
32AQI (US)
9th July 2026
52AQI (US)
10th July 2026
31AQI (US)
11th July 2026
24AQI (US)
12th July 2026
20AQI (US)
13th July 2026
53AQI (US)
14th July 2026
22AQI (US)
15th July 2026
16AQI (US)
16th July 2026
30AQI (US)
17th July 2026
44AQI (US)
18th July 2026
38AQI (US)
19th July 2026
46AQI (US)
20th July 2026
29AQI (US)
21st July 2026
27AQI (US)
22nd July 2026
37AQI (US)
23rd July 2026
55AQI (US)
24th July 2026
56AQI (US)
25th July 2026
15AQI (US)
26th July 2026
22AQI (US)
27th July 2026
22AQI (US)
28th July 2026
27AQI (US)
29th July 2026
28AQI (US)
30th July 2026
38AQI (US)
31st July 2026
32AQI (US)
1st August 2026
47AQI (US)
2nd August 2026
41AQI (US)
3rd August 2026
61AQI (US)
4th August 2026
49AQI (US)
5th August 2026
51AQI (US)
6th August 2026
42AQI (US)
7th August 2026
39AQI (US)
8th August 2026
37AQI (US)
9th August 2026
33AQI (US)
10th August 2026
42AQI (US)
11th August 2026
60AQI (US)
12th August 2026
45AQI (US)
13th August 2026
45AQI (US)
14th August 2026
38AQI (US)
15th August 2026
36AQI (US)
16th August 2026
30AQI (US)
17th August 2026
43AQI (US)
18th August 2026
34AQI (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

84AQI (US)

69AQI (US)

58AQI (US)

54AQI (US)

53AQI (US)

46AQI (US)

34AQI (US)

43AQI (US)

No. of days

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

202655AQI (US)

6
16
9
7
18
3
15
16
11
19
15
16
22
7
1
27
4
15
3
118
99
13

Highest AQI (US) recorded in

January

84AQI (US)

Lowest AQI (US) recorded in

July

34AQI (US)

202573AQI (US)

12
19
19
9
1
26
4
30
31
7
23
24
7
11
20
10
20
6
25
4
26
19
12
63
258
44

Highest AQI (US) recorded in

January

109AQI (US)

Lowest AQI (US) recorded in

July

44AQI (US)

202466AQI (US)

11
5
1
4
8
1
29
10
21
6
25
16
13
11
19
1
8
20
2
10
21
56
157
29

Highest AQI (US) recorded in

December

110AQI (US)

Lowest AQI (US) recorded in

July

49AQI (US)

202380AQI (US)

3
29
2
32
2

Highest AQI (US) recorded in

November

81AQI (US)

Lowest AQI (US) recorded in

December

80AQI (US)

202259AQI (US)

6
5
9
10
2
8
22
1
1
16
11
20
13
15
8
15
2
1
8
19
2
2
68
123
5

Highest AQI (US) recorded in

September

68AQI (US)

Lowest AQI (US) recorded in

October

38AQI (US)

202165AQI (US)

1
10
8
11
12
19
12
20
11
8
22
9
11
3
4
20
5
1
19
10
73
117
26

Highest AQI (US) recorded in

January

95AQI (US)

Lowest AQI (US) recorded in

August

45AQI (US)

202069AQI (US)

5
6
2
3
15
3
5
13
28
2
14
16
17
12
7
23
1
27
2
1
2
17
11
1
12
17
1
83
143
35
2

Highest AQI (US) recorded in

December

104AQI (US)

Lowest AQI (US) recorded in

June

40AQI (US)

Most & Least Polluted Years Over the Last 7 Years

Most Polluted Year Recorded
2023(Avg.)
80AQI (US)
Least Polluted Year Recorded
2026(Avg.)
55AQI (US)

Letters And Calls Building's annual 2026 AQI (US) (55) shows an average percentage change of -19.1% (improved AQI (US)) compared to previous years: 2020 (69), 2021 (65), 2022 (59), 2023 (80), 2024 (66), 2025 (73).