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HistoryAQIPM2.5PM10COSO2NO2O3

Longquan, 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+

September Air Quality Analysis

Longquan, Zhejiang, China

2021
2022
2024
2025
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
10th Sep 2022
92AQI
Lowest AQI recorded on
12th Sep 2021
20AQI

Same Day Analysis (25th September ):
On this day, AQI across the 4 years varied significantly: 2025 ranks 4th highest AQI at 39 of Good air quality, showing improvement over 2024, 2022 and 2021 on the same day.

Download 2024 Annual Data

World Air Quality Report

Globe

Day & Night AQI Trend: 26th Sep - 27th Sep 2025

Longquan, Zhejiang, China

AQI
Day
Night
.

5 AM26th Sep 2025

6 PM

4 AM27th Sep 2025

Day time
Avg. Highest Time
8AM26th Sep

44AQI

Avg. Lowest Time
3PM26th Sep

22AQI

Night time
Avg. Highest Time
3AM27th Sep

52AQI

Avg. Lowest Time
6PM26th Sep

30AQI

In the last 24 hours,

Longquan's AQI reached its highest point of 52 at 3 AM during the Night, while the lowest point, 22, was recorded at 3 PM during the Day between 26th Sep and 27th Sep 2025.

Day & Night AQI Trend : Aug - Sep 2025

Longquan, Zhejiang, China

AugSep
28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th
Day
Night
28th Aug 2025515 AMAQI
28th Aug 2025526 AMAQI
28th Aug 2025527 AMAQI
28th Aug 2025438 AMAQI
28th Aug 2025509 AMAQI
28th Aug 20255110 AMAQI
28th Aug 20254811 AMAQI
28th Aug 20254112 PMAQI
28th Aug 2025371 PMAQI
28th Aug 2025392 PMAQI
28th Aug 2025363 PMAQI
28th Aug 2025404 PMAQI
28th Aug 2025455 PMAQI
28th Aug 2025386 PMAQI
28th Aug 2025437 PMAQI
28th Aug 2025498 PMAQI
28th Aug 2025519 PMAQI
28th Aug 20255310 PMAQI
28th Aug 20255211 PMAQI
29th Aug 20255312 AMAQI
29th Aug 2025521 AMAQI
29th Aug 2025522 AMAQI
29th Aug 2025503 AMAQI
29th Aug 2025504 AMAQI

27°C20/35°C

29th Aug 2025495 AMAQI
29th Aug 2025506 AMAQI
29th Aug 2025507 AMAQI
29th Aug 2025528 AMAQI
29th Aug 2025449 AMAQI
29th Aug 20255210 AMAQI
29th Aug 20255011 AMAQI
29th Aug 20254512 PMAQI
29th Aug 2025401 PMAQI
29th Aug 2025402 PMAQI
29th Aug 2025433 PMAQI
29th Aug 2025384 PMAQI
29th Aug 2025395 PMAQI
29th Aug 2025416 PMAQI
29th Aug 2025467 PMAQI
29th Aug 2025508 PMAQI
29th Aug 2025549 PMAQI
29th Aug 20255610 PMAQI
29th Aug 20255711 PMAQI
30th Aug 20255612 AMAQI
30th Aug 2025521 AMAQI
30th Aug 2025522 AMAQI
30th Aug 2025523 AMAQI
30th Aug 2025504 AMAQI

27°C22/36°C

30th Aug 2025495 AMAQI
30th Aug 2025506 AMAQI
30th Aug 2025507 AMAQI
30th Aug 2025588 AMAQI
30th Aug 2025599 AMAQI
30th Aug 20255410 AMAQI
30th Aug 20255111 AMAQI
30th Aug 20254812 PMAQI
30th Aug 2025471 PMAQI
30th Aug 2025462 PMAQI
30th Aug 2025463 PMAQI
30th Aug 2025424 PMAQI
30th Aug 2025475 PMAQI
30th Aug 2025396 PMAQI
30th Aug 2025497 PMAQI
30th Aug 2025548 PMAQI
30th Aug 2025559 PMAQI
30th Aug 20255410 PMAQI
30th Aug 20255111 PMAQI
31st Aug 20254712 AMAQI
31st Aug 2025521 AMAQI
31st Aug 2025522 AMAQI
31st Aug 2025533 AMAQI
31st Aug 2025524 AMAQI

28°C22/35°C

31st Aug 2025525 AMAQI
31st Aug 2025516 AMAQI
31st Aug 2025527 AMAQI
31st Aug 2025568 AMAQI
31st Aug 2025559 AMAQI
31st Aug 20255710 AMAQI
31st Aug 20256011 AMAQI
31st Aug 20255712 PMAQI
31st Aug 2025551 PMAQI
31st Aug 2025552 PMAQI
31st Aug 2025553 PMAQI
31st Aug 2025524 PMAQI
31st Aug 2025545 PMAQI
31st Aug 2025536 PMAQI
31st Aug 2025557 PMAQI
31st Aug 2025568 PMAQI
31st Aug 2025569 PMAQI
31st Aug 20255610 PMAQI
31st Aug 20255411 PMAQI
1st Sep 20255412 AMAQI
1st Sep 2025521 AMAQI
1st Sep 2025512 AMAQI
1st Sep 2025533 AMAQI
1st Sep 2025534 AMAQI

26°C22/35°C

1st Sep 2025525 AMAQI
1st Sep 2025536 AMAQI
1st Sep 2025537 AMAQI
1st Sep 2025528 AMAQI
1st Sep 2025579 AMAQI
1st Sep 20255410 AMAQI
1st Sep 20255811 AMAQI
1st Sep 20255812 PMAQI
1st Sep 2025621 PMAQI
1st Sep 2025572 PMAQI
1st Sep 2025573 PMAQI
1st Sep 2025574 PMAQI
1st Sep 2025555 PMAQI
1st Sep 2025566 PMAQI
1st Sep 2025557 PMAQI
1st Sep 2025558 PMAQI
1st Sep 2025559 PMAQI
1st Sep 20255710 PMAQI
1st Sep 20255311 PMAQI
2nd Sep 20255412 AMAQI
2nd Sep 2025531 AMAQI
2nd Sep 2025542 AMAQI
2nd Sep 2025543 AMAQI
2nd Sep 2025544 AMAQI

24°C21/30°C

2nd Sep 2025545 AMAQI
2nd Sep 2025546 AMAQI
2nd Sep 2025547 AMAQI
2nd Sep 2025558 AMAQI
2nd Sep 2025589 AMAQI
2nd Sep 20255410 AMAQI
2nd Sep 20255511 AMAQI
2nd Sep 20255912 PMAQI
2nd Sep 2025581 PMAQI
2nd Sep 2025562 PMAQI
2nd Sep 2025553 PMAQI
2nd Sep 2025564 PMAQI
2nd Sep 2025555 PMAQI
2nd Sep 2025556 PMAQI
2nd Sep 2025567 PMAQI
2nd Sep 2025578 PMAQI
2nd Sep 2025579 PMAQI
2nd Sep 20255510 PMAQI
2nd Sep 20255511 PMAQI
3rd Sep 20255412 AMAQI
3rd Sep 2025541 AMAQI
3rd Sep 2025542 AMAQI
3rd Sep 2025543 AMAQI
3rd Sep 2025544 AMAQI

26°C20/33°C

3rd Sep 2025535 AMAQI
3rd Sep 2025546 AMAQI
3rd Sep 2025547 AMAQI
3rd Sep 2025618 AMAQI
3rd Sep 2025689 AMAQI
3rd Sep 20256310 AMAQI
3rd Sep 20256411 AMAQI
3rd Sep 20256312 PMAQI
3rd Sep 2025611 PMAQI
3rd Sep 2025592 PMAQI
3rd Sep 2025573 PMAQI
3rd Sep 2025554 PMAQI
3rd Sep 2025545 PMAQI
3rd Sep 2025526 PMAQI
3rd Sep 2025547 PMAQI
3rd Sep 2025578 PMAQI
3rd Sep 2025599 PMAQI
3rd Sep 20256110 PMAQI
3rd Sep 20256011 PMAQI
4th Sep 20255712 AMAQI
4th Sep 2025531 AMAQI
4th Sep 2025542 AMAQI
4th Sep 2025553 AMAQI
4th Sep 2025564 AMAQI

27°C21/35°C

4th Sep 2025555 AMAQI
4th Sep 2025566 AMAQI
4th Sep 2025557 AMAQI
4th Sep 2025698 AMAQI
4th Sep 2025669 AMAQI
4th Sep 20256810 AMAQI
4th Sep 20256511 AMAQI
4th Sep 20256412 PMAQI
4th Sep 2025641 PMAQI
4th Sep 2025622 PMAQI
4th Sep 2025613 PMAQI
4th Sep 2025644 PMAQI
4th Sep 2025575 PMAQI
4th Sep 2025586 PMAQI
4th Sep 2025627 PMAQI
4th Sep 2025648 PMAQI
4th Sep 2025689 PMAQI
4th Sep 20256910 PMAQI
4th Sep 20256611 PMAQI
5th Sep 20256212 AMAQI
5th Sep 2025551 AMAQI
5th Sep 2025562 AMAQI
5th Sep 2025573 AMAQI
5th Sep 2025574 AMAQI

27°C22/36°C

5th Sep 2025575 AMAQI
5th Sep 2025576 AMAQI
5th Sep 2025587 AMAQI
5th Sep 2025658 AMAQI
5th Sep 2025679 AMAQI
5th Sep 20256810 AMAQI
5th Sep 20256711 AMAQI
5th Sep 20256412 PMAQI
5th Sep 2025641 PMAQI
5th Sep 2025612 PMAQI
5th Sep 2025613 PMAQI
5th Sep 2025604 PMAQI
5th Sep 2025625 PMAQI
5th Sep 2025616 PMAQI
5th Sep 2025617 PMAQI
5th Sep 2025618 PMAQI
5th Sep 2025629 PMAQI
5th Sep 20256210 PMAQI
5th Sep 20256011 PMAQI
6th Sep 20256012 AMAQI
6th Sep 2025601 AMAQI
6th Sep 2025612 AMAQI
6th Sep 2025603 AMAQI
6th Sep 2025604 AMAQI

27°C21/35°C

6th Sep 2025595 AMAQI
6th Sep 2025596 AMAQI
6th Sep 2025597 AMAQI
6th Sep 2025588 AMAQI
6th Sep 2025629 AMAQI
6th Sep 20256410 AMAQI
6th Sep 20255911 AMAQI
6th Sep 20255912 PMAQI
6th Sep 2025531 PMAQI
6th Sep 2025572 PMAQI
6th Sep 2025553 PMAQI
6th Sep 2025544 PMAQI
6th Sep 2025565 PMAQI
6th Sep 2025546 PMAQI
6th Sep 2025567 PMAQI
6th Sep 2025588 PMAQI
6th Sep 2025639 PMAQI
6th Sep 20256110 PMAQI
6th Sep 20256111 PMAQI
7th Sep 20255912 AMAQI
7th Sep 2025621 AMAQI
7th Sep 2025602 AMAQI
7th Sep 2025603 AMAQI
7th Sep 2025604 AMAQI

27°C21/34°C

7th Sep 2025605 AMAQI
7th Sep 2025626 AMAQI
7th Sep 2025617 AMAQI
7th Sep 2025608 AMAQI
7th Sep 2025689 AMAQI
7th Sep 20256210 AMAQI
7th Sep 20256111 AMAQI
7th Sep 20256212 PMAQI
7th Sep 2025601 PMAQI
7th Sep 2025582 PMAQI
7th Sep 2025513 PMAQI
7th Sep 2025394 PMAQI
7th Sep 2025515 PMAQI
7th Sep 2025496 PMAQI
7th Sep 2025567 PMAQI
7th Sep 2025608 PMAQI
7th Sep 2025659 PMAQI
7th Sep 20256110 PMAQI
7th Sep 20255811 PMAQI
8th Sep 20256012 AMAQI
8th Sep 2025601 AMAQI
8th Sep 2025602 AMAQI
8th Sep 2025603 AMAQI
8th Sep 2025614 AMAQI

28°C22/35°C

8th Sep 2025615 AMAQI
8th Sep 2025616 AMAQI
8th Sep 2025617 AMAQI
8th Sep 2025608 AMAQI
8th Sep 2025599 AMAQI
8th Sep 20255610 AMAQI
8th Sep 20255311 AMAQI
8th Sep 20254612 PMAQI
8th Sep 2025501 PMAQI
8th Sep 2025512 PMAQI
8th Sep 2025523 PMAQI
8th Sep 2025584 PMAQI
8th Sep 2025515 PMAQI
8th Sep 2025576 PMAQI
8th Sep 2025577 PMAQI
8th Sep 2025598 PMAQI
8th Sep 2025609 PMAQI
8th Sep 20256010 PMAQI
8th Sep 20255811 PMAQI
9th Sep 20256012 AMAQI
9th Sep 2025631 AMAQI
9th Sep 2025612 AMAQI
9th Sep 2025613 AMAQI
9th Sep 2025594 AMAQI

27°C22/35°C

9th Sep 2025605 AMAQI
9th Sep 2025616 AMAQI
9th Sep 2025607 AMAQI
9th Sep 2025518 AMAQI
9th Sep 2025509 AMAQI
9th Sep 20255310 AMAQI
9th Sep 20255511 AMAQI
9th Sep 20254712 PMAQI
9th Sep 2025411 PMAQI
9th Sep 2025382 PMAQI
9th Sep 2025443 PMAQI
9th Sep 2025384 PMAQI
9th Sep 2025425 PMAQI
9th Sep 2025356 PMAQI
9th Sep 2025477 PMAQI
9th Sep 2025538 PMAQI
9th Sep 2025539 PMAQI
9th Sep 20255410 PMAQI
9th Sep 20255211 PMAQI
10th Sep 20255612 AMAQI
10th Sep 2025591 AMAQI
10th Sep 2025612 AMAQI
10th Sep 2025593 AMAQI
10th Sep 2025584 AMAQI

27°C23/34°C

10th Sep 2025585 AMAQI
10th Sep 2025586 AMAQI
10th Sep 2025587 AMAQI
10th Sep 2025508 AMAQI
10th Sep 2025549 AMAQI
10th Sep 20254910 AMAQI
10th Sep 20255011 AMAQI
10th Sep 20255012 PMAQI
10th Sep 2025491 PMAQI
10th Sep 2025452 PMAQI
10th Sep 2025483 PMAQI
10th Sep 2025504 PMAQI
10th Sep 2025425 PMAQI
10th Sep 2025456 PMAQI
10th Sep 2025507 PMAQI
10th Sep 2025568 PMAQI
10th Sep 2025559 PMAQI
10th Sep 20255410 PMAQI
10th Sep 20255411 PMAQI
11th Sep 20255512 AMAQI
11th Sep 2025581 AMAQI
11th Sep 2025582 AMAQI
11th Sep 2025573 AMAQI
11th Sep 2025574 AMAQI

26°C22/34°C

11th Sep 2025575 AMAQI
11th Sep 2025566 AMAQI
11th Sep 2025577 AMAQI
11th Sep 2025498 AMAQI
11th Sep 2025489 AMAQI
11th Sep 20254810 AMAQI
11th Sep 20254611 AMAQI
11th Sep 20254412 PMAQI
11th Sep 2025411 PMAQI
11th Sep 2025402 PMAQI
11th Sep 2025383 PMAQI
11th Sep 2025424 PMAQI
11th Sep 2025355 PMAQI
11th Sep 2025376 PMAQI
11th Sep 2025477 PMAQI
11th Sep 2025558 PMAQI
11th Sep 2025549 PMAQI
11th Sep 20255310 PMAQI
11th Sep 20255311 PMAQI
12th Sep 20255512 AMAQI
12th Sep 2025581 AMAQI
12th Sep 2025562 AMAQI
12th Sep 2025563 AMAQI
12th Sep 2025554 AMAQI

26°C21/33°C

12th Sep 2025565 AMAQI
12th Sep 2025566 AMAQI
12th Sep 2025567 AMAQI
12th Sep 2025508 AMAQI
12th Sep 2025529 AMAQI
12th Sep 20255310 AMAQI
12th Sep 20255311 AMAQI
12th Sep 20255412 PMAQI
12th Sep 2025521 PMAQI
12th Sep 2025502 PMAQI
12th Sep 2025463 PMAQI
12th Sep 2025464 PMAQI
12th Sep 2025445 PMAQI
12th Sep 2025416 PMAQI
12th Sep 2025507 PMAQI
12th Sep 2025558 PMAQI
12th Sep 2025559 PMAQI
12th Sep 20255610 PMAQI
12th Sep 20255511 PMAQI
13th Sep 20255512 AMAQI
13th Sep 2025561 AMAQI
13th Sep 2025562 AMAQI
13th Sep 2025563 AMAQI
13th Sep 2025564 AMAQI

26°C21/34°C

13th Sep 2025555 AMAQI
13th Sep 2025556 AMAQI
13th Sep 2025557 AMAQI
13th Sep 2025588 AMAQI
13th Sep 2025569 AMAQI
13th Sep 20255710 AMAQI
13th Sep 20256111 AMAQI
13th Sep 20256112 PMAQI
13th Sep 2025631 PMAQI
13th Sep 2025562 PMAQI
13th Sep 2025493 PMAQI
13th Sep 2025494 PMAQI
13th Sep 2025495 PMAQI
13th Sep 2025486 PMAQI
13th Sep 2025537 PMAQI
13th Sep 2025548 PMAQI
13th Sep 2025529 PMAQI
13th Sep 20254810 PMAQI
13th Sep 20255211 PMAQI
14th Sep 20255212 AMAQI
14th Sep 2025561 AMAQI
14th Sep 2025552 AMAQI
14th Sep 2025563 AMAQI
14th Sep 2025554 AMAQI

27°C22/34°C

14th Sep 2025565 AMAQI
14th Sep 2025566 AMAQI
14th Sep 2025567 AMAQI
14th Sep 2025398 AMAQI
14th Sep 2025479 AMAQI
14th Sep 20254610 AMAQI
14th Sep 20255311 AMAQI
14th Sep 20255512 PMAQI
14th Sep 2025571 PMAQI
14th Sep 2025542 PMAQI
14th Sep 2025543 PMAQI
14th Sep 2025524 PMAQI
14th Sep 2025525 PMAQI
14th Sep 2025516 PMAQI
14th Sep 2025557 PMAQI
14th Sep 2025558 PMAQI
14th Sep 2025569 PMAQI
14th Sep 20255710 PMAQI
14th Sep 20255811 PMAQI
15th Sep 20255612 AMAQI
15th Sep 2025561 AMAQI
15th Sep 2025562 AMAQI
15th Sep 2025553 AMAQI
15th Sep 2025554 AMAQI

26°C20/35°C

15th Sep 2025545 AMAQI
15th Sep 2025546 AMAQI
15th Sep 2025557 AMAQI
15th Sep 2025708 AMAQI
15th Sep 2025669 AMAQI
15th Sep 20256310 AMAQI
15th Sep 20256411 AMAQI
15th Sep 20256112 PMAQI
15th Sep 2025571 PMAQI
15th Sep 2025562 PMAQI
15th Sep 2025543 PMAQI
15th Sep 2025534 PMAQI
15th Sep 2025565 PMAQI
15th Sep 2025616 PMAQI
15th Sep 2025607 PMAQI
15th Sep 2025588 PMAQI
15th Sep 2025649 PMAQI
15th Sep 20256410 PMAQI
15th Sep 20256211 PMAQI
16th Sep 20255812 AMAQI
16th Sep 2025561 AMAQI
16th Sep 2025552 AMAQI
16th Sep 2025563 AMAQI
16th Sep 2025564 AMAQI

27°C21/35°C

16th Sep 2025565 AMAQI
16th Sep 2025566 AMAQI
16th Sep 2025567 AMAQI
16th Sep 2025568 AMAQI
16th Sep 2025629 AMAQI
16th Sep 20255410 AMAQI
16th Sep 20255311 AMAQI
16th Sep 20255712 PMAQI
16th Sep 2025531 PMAQI
16th Sep 2025452 PMAQI
16th Sep 2025353 PMAQI
16th Sep 2025464 PMAQI
16th Sep 2025445 PMAQI
16th Sep 2025536 PMAQI
16th Sep 2025567 PMAQI
16th Sep 2025588 PMAQI
16th Sep 2025599 PMAQI
16th Sep 20256010 PMAQI
16th Sep 20255511 PMAQI
17th Sep 20256112 AMAQI
17th Sep 2025561 AMAQI
17th Sep 2025562 AMAQI
17th Sep 2025573 AMAQI
17th Sep 2025574 AMAQI

27°C20/36°C

17th Sep 2025575 AMAQI
17th Sep 2025566 AMAQI
17th Sep 2025567 AMAQI
17th Sep 2025568 AMAQI
17th Sep 2025549 AMAQI
17th Sep 20255510 AMAQI
17th Sep 20254911 AMAQI
17th Sep 20254912 PMAQI
17th Sep 2025521 PMAQI
17th Sep 2025512 PMAQI
17th Sep 2025483 PMAQI
17th Sep 2025384 PMAQI
17th Sep 2025515 PMAQI
17th Sep 2025436 PMAQI
17th Sep 2025557 PMAQI
17th Sep 2025578 PMAQI
17th Sep 2025619 PMAQI
17th Sep 20256110 PMAQI
17th Sep 20256211 PMAQI
18th Sep 20255912 AMAQI
18th Sep 2025581 AMAQI
18th Sep 2025572 AMAQI
18th Sep 2025573 AMAQI
18th Sep 2025574 AMAQI

27°C21/35°C

18th Sep 2025575 AMAQI
18th Sep 2025586 AMAQI
18th Sep 2025577 AMAQI
18th Sep 2025578 AMAQI
18th Sep 2025559 AMAQI
18th Sep 20255410 AMAQI
18th Sep 20255511 AMAQI
18th Sep 20255212 PMAQI
18th Sep 2025501 PMAQI
18th Sep 2025472 PMAQI
18th Sep 2025413 PMAQI
18th Sep 2025464 PMAQI
18th Sep 2025505 PMAQI
18th Sep 2025546 PMAQI
18th Sep 2025567 PMAQI
18th Sep 2025538 PMAQI
18th Sep 2025539 PMAQI
18th Sep 20255110 PMAQI
18th Sep 20254811 PMAQI
19th Sep 20255112 AMAQI
19th Sep 2025581 AMAQI
19th Sep 2025582 AMAQI
19th Sep 2025573 AMAQI
19th Sep 2025544 AMAQI

26°C21/34°C

19th Sep 2025545 AMAQI
19th Sep 2025546 AMAQI
19th Sep 2025547 AMAQI
19th Sep 2025508 AMAQI
19th Sep 2025569 AMAQI
19th Sep 20255410 AMAQI
19th Sep 20255111 AMAQI
19th Sep 20255612 PMAQI
19th Sep 2025451 PMAQI
19th Sep 2025362 PMAQI
19th Sep 2025433 PMAQI
19th Sep 2025474 PMAQI
19th Sep 2025435 PMAQI
19th Sep 2025536 PMAQI
19th Sep 2025547 PMAQI
19th Sep 2025538 PMAQI
19th Sep 2025529 PMAQI
19th Sep 20255210 PMAQI
19th Sep 20255211 PMAQI
20th Sep 20254712 AMAQI
20th Sep 2025521 AMAQI
20th Sep 2025542 AMAQI
20th Sep 2025543 AMAQI
20th Sep 2025524 AMAQI

25°C21/31°C

20th Sep 2025535 AMAQI
20th Sep 2025536 AMAQI
20th Sep 2025537 AMAQI
20th Sep 2025538 AMAQI
20th Sep 2025499 AMAQI
20th Sep 20254910 AMAQI
20th Sep 20254811 AMAQI
20th Sep 20255112 PMAQI
20th Sep 2025471 PMAQI
20th Sep 2025532 PMAQI
20th Sep 2025433 PMAQI
20th Sep 2025534 PMAQI
20th Sep 2025565 PMAQI
20th Sep 2025546 PMAQI
20th Sep 2025587 PMAQI
20th Sep 2025548 PMAQI
20th Sep 2025569 PMAQI
20th Sep 20255710 PMAQI
20th Sep 20255411 PMAQI
21st Sep 20255312 AMAQI
21st Sep 2025471 AMAQI
21st Sep 2025532 AMAQI
21st Sep 2025533 AMAQI
21st Sep 2025534 AMAQI

23°C22/27°C

21st Sep 2025535 AMAQI
21st Sep 2025536 AMAQI
21st Sep 2025537 AMAQI
21st Sep 2025448 AMAQI
21st Sep 2025359 AMAQI
21st Sep 20253610 AMAQI
21st Sep 20253411 AMAQI
21st Sep 20254512 PMAQI
21st Sep 2025381 PMAQI
21st Sep 2025392 PMAQI
21st Sep 2025433 PMAQI
21st Sep 2025524 PMAQI
21st Sep 2025475 PMAQI
21st Sep 2025436 PMAQI
21st Sep 2025537 PMAQI
21st Sep 2025538 PMAQI
21st Sep 2025529 PMAQI
21st Sep 20255410 PMAQI
21st Sep 20255511 PMAQI
22nd Sep 20255412 AMAQI
22nd Sep 2025531 AMAQI
22nd Sep 2025532 AMAQI
22nd Sep 2025523 AMAQI
22nd Sep 2025504 AMAQI

24°C21/29°C

22nd Sep 2025515 AMAQI
22nd Sep 2025516 AMAQI
22nd Sep 2025507 AMAQI
22nd Sep 2025528 AMAQI
22nd Sep 2025559 AMAQI
22nd Sep 20255010 AMAQI
22nd Sep 20254911 AMAQI
22nd Sep 20254612 PMAQI
22nd Sep 2025391 PMAQI
22nd Sep 2025432 PMAQI
22nd Sep 2025393 PMAQI
22nd Sep 2025394 PMAQI
22nd Sep 2025435 PMAQI
22nd Sep 2025486 PMAQI
22nd Sep 2025527 PMAQI
22nd Sep 2025568 PMAQI
22nd Sep 2025549 PMAQI
22nd Sep 20255710 PMAQI
22nd Sep 20255611 PMAQI
23rd Sep 20255412 AMAQI
23rd Sep 2025561 AMAQI
23rd Sep 2025532 AMAQI
23rd Sep 2025533 AMAQI
23rd Sep 2025524 AMAQI

25°C20/31°C

23rd Sep 2025525 AMAQI
23rd Sep 2025526 AMAQI
23rd Sep 2025527 AMAQI
23rd Sep 2025588 AMAQI
23rd Sep 2025589 AMAQI
23rd Sep 20255510 AMAQI
23rd Sep 20255911 AMAQI
23rd Sep 20255512 PMAQI
23rd Sep 2025481 PMAQI
23rd Sep 2025442 PMAQI
23rd Sep 2025403 PMAQI
23rd Sep 2025364 PMAQI
23rd Sep 2025365 PMAQI
23rd Sep 2025386 PMAQI
23rd Sep 2025367 PMAQI
23rd Sep 2025498 PMAQI
23rd Sep 2025539 PMAQI
23rd Sep 20255210 PMAQI
23rd Sep 20255611 PMAQI
24th Sep 20255512 AMAQI
24th Sep 2025531 AMAQI
24th Sep 2025532 AMAQI
24th Sep 2025533 AMAQI
24th Sep 2025544 AMAQI

23°C22/25°C

24th Sep 2025555 AMAQI
24th Sep 2025556 AMAQI
24th Sep 2025547 AMAQI
24th Sep 2025368 AMAQI
24th Sep 2025329 AMAQI
24th Sep 20253710 AMAQI
24th Sep 20253711 AMAQI
24th Sep 20253512 PMAQI
24th Sep 2025321 PMAQI
24th Sep 2025312 PMAQI
24th Sep 2025333 PMAQI
24th Sep 2025364 PMAQI
24th Sep 2025365 PMAQI
24th Sep 2025456 PMAQI
24th Sep 2025497 PMAQI
24th Sep 2025508 PMAQI
24th Sep 2025429 PMAQI
24th Sep 20254010 PMAQI
24th Sep 20254111 PMAQI
25th Sep 20254012 AMAQI
25th Sep 2025491 AMAQI
25th Sep 2025532 AMAQI
25th Sep 2025523 AMAQI
25th Sep 2025524 AMAQI

24°C21/28°C

25th Sep 2025525 AMAQI
25th Sep 2025516 AMAQI
25th Sep 2025527 AMAQI
25th Sep 2025488 AMAQI
25th Sep 2025419 AMAQI
25th Sep 20254910 AMAQI
25th Sep 20255111 AMAQI
25th Sep 20254312 PMAQI
25th Sep 2025301 PMAQI
25th Sep 2025252 PMAQI
25th Sep 2025333 PMAQI
25th Sep 2025294 PMAQI
25th Sep 2025275 PMAQI
25th Sep 2025296 PMAQI
25th Sep 2025327 PMAQI
25th Sep 2025328 PMAQI
25th Sep 2025349 PMAQI
25th Sep 20253710 PMAQI
25th Sep 20253811 PMAQI
26th Sep 20253512 AMAQI
26th Sep 2025341 AMAQI
26th Sep 2025342 AMAQI
26th Sep 2025363 AMAQI
26th Sep 2025374 AMAQI

26°C20/33°C

26th Sep 2025365 AMAQI
26th Sep 2025386 AMAQI
26th Sep 2025437 AMAQI
26th Sep 2025448 AMAQI
26th Sep 2025419 AMAQI
26th Sep 20254010 AMAQI
26th Sep 20253711 AMAQI
26th Sep 20253312 PMAQI
26th Sep 2025271 PMAQI
26th Sep 2025252 PMAQI
26th Sep 2025223 PMAQI
26th Sep 2025234 PMAQI
26th Sep 2025275 PMAQI
26th Sep 2025306 PMAQI
26th Sep 2025367 PMAQI
26th Sep 2025458 PMAQI
26th Sep 2025469 PMAQI
26th Sep 20254510 PMAQI
26th Sep 20254211 PMAQI
27th Sep 20254412 AMAQI
27th Sep 2025481 AMAQI
27th Sep 2025492 AMAQI
27th Sep 2025523 AMAQI
27th Sep 2025514 AMAQI

26°C20/34°C

27th Sep 2025525 AMAQI
5 AM
27th Sep 2025516 AMAQI
27th Sep 2025497 AMAQI
27th Sep 2025528 AMAQI
27th Sep 2025559 AMAQI
27th Sep 20255510 AMAQI
27th Sep 20255211 AMAQI
11 AM
27th Sep 20254812 PMAQI
27th Sep 2025461 PMAQI
27th Sep 2025392 PMAQI
27th Sep 2025313 PMAQI
27th Sep 2025304 PMAQI
27th Sep 2025345 PMAQI
27th Sep 2025376 PMAQI
6 PM
11 PM
4 AM

--°C/°C

Day time
Avg. Highest Time
5 AM - 12 PM

54AQI

8 hours / Day
240 hours / Month
Avg. Lowest Time
2 PM - 6 PM

46AQI

5 hours / Day
150 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 5 AM to 12 PM (Avg. 54), while the lowest AQI was between 2 PM to 6 PM (Avg. 46).
Night time
Avg. Highest Time
12 AM - 4 AM

54AQI

5 hours / Day
150 hours / Month
Avg. Lowest Time
7 PM

52AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 4 AM (Avg. 54), while the lowest AQI was between 7 PM to 7 PM (Avg. 52).

2025 Days Vs Air Quality

Longquan, Zhejiang, China

2025

18%

48

71%

190

11%

30

Total number of days with different AQI categories in last 270 days in 2025 (95 days remaining)

Good
48 Days
Moderate
190 Days
Poor
30 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 18%

Health Risk Level:

Extreme

In 2025, 18% of 270 days were within WHO’s safe air quality limits. The risk of health issues is Extreme, potentially causing respiratory problems, heart disease, skin issues, and stress, especially for children, the elderly, and those with pre-existing conditions.

Annual Air Quality Insights

Longquan, Zhejiang, 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
142AQI
2nd January 2025
123AQI
3rd January 2025
129AQI
4th January 2025
131AQI
5th January 2025
134AQI
6th January 2025
129AQI
7th January 2025
131AQI
8th January 2025
129AQI
9th January 2025
118AQI
10th January 2025
97AQI
11th January 2025
100AQI
12th January 2025
95AQI
13th January 2025
95AQI
14th January 2025
96AQI
15th January 2025
120AQI
16th January 2025
88AQI
17th January 2025
97AQI
18th January 2025
91AQI
19th January 2025
90AQI
20th January 2025
93AQI
21st January 2025
121AQI
22nd January 2025
123AQI
23rd January 2025
110AQI
24th January 2025
104AQI
25th January 2025
90AQI
26th January 2025
63AQI
27th January 2025
70AQI
28th January 2025
80AQI
29th January 2025
112AQI
30th January 2025
90AQI
31st January 2025
93AQI
1st February 2025
67AQI
2nd February 2025
66AQI
3rd February 2025
84AQI
4th February 2025
85AQI
5th February 2025
80AQI
6th February 2025
91AQI
7th February 2025
79AQI
8th February 2025
65AQI
9th February 2025
70AQI
10th February 2025
82AQI
11th February 2025
81AQI
12th February 2025
93AQI
13th February 2025
114AQI
14th February 2025
120AQI
15th February 2025
120AQI
16th February 2025
99AQI
17th February 2025
109AQI
18th February 2025
90AQI
19th February 2025
88AQI
20th February 2025
62AQI
21st February 2025
59AQI
22nd February 2025
61AQI
23rd February 2025
70AQI
24th February 2025
95AQI
25th February 2025
113AQI
26th February 2025
107AQI
27th February 2025
101AQI
28th February 2025
86AQI
1st March 2025
82AQI
2nd March 2025
81AQI
3rd March 2025
76AQI
4th March 2025
61AQI
5th March 2025
63AQI
6th March 2025
62AQI
7th March 2025
81AQI
8th March 2025
81AQI
9th March 2025
99AQI
10th March 2025
90AQI
11th March 2025
118AQI
12th March 2025
93AQI
13th March 2025
70AQI
14th March 2025
64AQI
15th March 2025
45AQI
16th March 2025
68AQI
17th March 2025
67AQI
18th March 2025
68AQI
19th March 2025
76AQI
20th March 2025
75AQI
21st March 2025
78AQI
22nd March 2025
76AQI
23rd March 2025
85AQI
24th March 2025
94AQI
25th March 2025
105AQI
26th March 2025
121AQI
27th March 2025
110AQI
28th March 2025
88AQI
29th March 2025
79AQI
30th March 2025
73AQI
31st March 2025
79AQI
1st April 2025
72AQI
2nd April 2025
79AQI
3rd April 2025
82AQI
4th April 2025
94AQI
5th April 2025
93AQI
6th April 2025
87AQI
7th April 2025
92AQI
8th April 2025
96AQI
9th April 2025
101AQI
10th April 2025
85AQI
11th April 2025
91AQI
12th April 2025
111AQI
13th April 2025
103AQI
14th April 2025
105AQI
15th April 2025
89AQI
16th April 2025
90AQI
17th April 2025
97AQI
18th April 2025
95AQI
19th April 2025
80AQI
20th April 2025
83AQI
21st April 2025
82AQI
22nd April 2025
69AQI
23rd April 2025
73AQI
24th April 2025
63AQI
25th April 2025
54AQI
26th April 2025
58AQI
27th April 2025
58AQI
28th April 2025
68AQI
29th April 2025
79AQI
30th April 2025
81AQI
1st May 2025
86AQI
2nd May 2025
81AQI
3rd May 2025
90AQI
4th May 2025
82AQI
5th May 2025
73AQI
6th May 2025
81AQI
7th May 2025
89AQI
8th May 2025
76AQI
9th May 2025
72AQI
10th May 2025
72AQI
11th May 2025
76AQI
12th May 2025
74AQI
13th May 2025
72AQI
14th May 2025
75AQI
15th May 2025
86AQI
16th May 2025
78AQI
17th May 2025
75AQI
18th May 2025
64AQI
19th May 2025
68AQI
20th May 2025
61AQI
21st May 2025
60AQI
22nd May 2025
67AQI
23rd May 2025
63AQI
24th May 2025
75AQI
25th May 2025
86AQI
26th May 2025
91AQI
27th May 2025
89AQI
28th May 2025
72AQI
29th May 2025
64AQI
30th May 2025
67AQI
31st May 2025
70AQI
1st June 2025
63AQI
2nd June 2025
63AQI
3rd June 2025
58AQI
4th June 2025
67AQI
5th June 2025
64AQI
6th June 2025
67AQI
7th June 2025
70AQI
8th June 2025
67AQI
9th June 2025
66AQI
10th June 2025
63AQI
11th June 2025
56AQI
12th June 2025
54AQI
13th June 2025
48AQI
14th June 2025
55AQI
15th June 2025
56AQI
16th June 2025
56AQI
17th June 2025
58AQI
18th June 2025
51AQI
19th June 2025
53AQI
20th June 2025
46AQI
21st June 2025
49AQI
22nd June 2025
51AQI
23rd June 2025
49AQI
24th June 2025
49AQI
25th June 2025
53AQI
26th June 2025
52AQI
27th June 2025
52AQI
28th June 2025
48AQI
29th June 2025
52AQI
30th June 2025
50AQI
1st July 2025
46AQI
2nd July 2025
42AQI
3rd July 2025
50AQI
4th July 2025
54AQI
5th July 2025
52AQI
6th July 2025
51AQI
7th July 2025
50AQI
8th July 2025
52AQI
9th July 2025
49AQI
10th July 2025
48AQI
11th July 2025
47AQI
12th July 2025
47AQI
13th July 2025
49AQI
14th July 2025
52AQI
15th July 2025
57AQI
16th July 2025
59AQI
17th July 2025
60AQI
18th July 2025
58AQI
19th July 2025
45AQI
20th July 2025
43AQI
21st July 2025
39AQI
22nd July 2025
39AQI
23rd July 2025
39AQI
24th July 2025
39AQI
25th July 2025
40AQI
26th July 2025
39AQI
27th July 2025
40AQI
28th July 2025
37AQI
29th July 2025
40AQI
30th July 2025
47AQI
31st July 2025
46AQI
1st August 2025
55AQI
2nd August 2025
60AQI
3rd August 2025
56AQI
4th August 2025
56AQI
5th August 2025
51AQI
6th August 2025
52AQI
7th August 2025
50AQI
8th August 2025
51AQI
9th August 2025
53AQI
10th August 2025
59AQI
11th August 2025
59AQI
12th August 2025
59AQI
13th August 2025
48AQI
14th August 2025
44AQI
15th August 2025
44AQI
16th August 2025
48AQI
17th August 2025
49AQI
18th August 2025
49AQI
19th August 2025
51AQI
20th August 2025
49AQI
21st August 2025
52AQI
22nd August 2025
51AQI
23rd August 2025
52AQI
24th August 2025
53AQI
25th August 2025
53AQI
26th August 2025
50AQI
27th August 2025
49AQI
28th August 2025
48AQI
29th August 2025
49AQI
30th August 2025
51AQI
31st August 2025
53AQI
1st September 2025
55AQI
2nd September 2025
55AQI
3rd September 2025
57AQI
4th September 2025
61AQI
5th September 2025
62AQI
6th September 2025
59AQI
7th September 2025
59AQI
8th September 2025
57AQI
9th September 2025
53AQI
10th September 2025
53AQI
11th September 2025
50AQI
12th September 2025
53AQI
13th September 2025
54AQI
14th September 2025
54AQI
15th September 2025
58AQI
16th September 2025
55AQI
17th September 2025
56AQI
18th September 2025
54AQI
19th September 2025
52AQI
20th September 2025
52AQI
21st September 2025
49AQI
22nd September 2025
50AQI
23rd September 2025
50AQI
24th September 2025
45AQI
25th September 2025
39AQI
26th September 2025
27th September 2025
28th September 2025
29th September 2025
30th September 2025
1st October 2025
2nd October 2025
3rd October 2025
4th October 2025
5th October 2025
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

106AQI

87AQI

81AQI

84AQI

75AQI

56AQI

47AQI

52AQI

54AQI

No. of days

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

202572AQI

16
15
21
7
1
26
4
26
4
31
7
23
22
9
12
19
6
19
48
190
30

Highest AQI recorded in

January

106AQI

Lowest AQI recorded in

July

47AQI

202462AQI

16
2
5
5
4
8
17
13
21
10
8
23
13
16
11
20
8
21
1
12
18
1
82
151
19
1

Highest AQI recorded in

December

109AQI

Lowest AQI recorded in

July

46AQI

202362AQI

3
31
34

Highest AQI recorded in

November

67AQI

Lowest AQI recorded in

December

62AQI

202256AQI

7
4
11
10
1
8
22
1
6
24
14
17
22
8
13
10
3
6
23
2
87
123
2

Highest AQI recorded in

April

67AQI

Lowest AQI recorded in

June

44AQI

202159AQI

1
15
4
14
10
21
10
25
6
15
15
13
10
4
24
1
1
21
8
94
111
13

Highest AQI recorded in

December

89AQI

Lowest AQI recorded in

August

41AQI

202061AQI

4
8
1
3
15
3
9
9
20
10
9
21
20
11
10
20
2
28
1
5
23
2
3
25
3
85
170
10

Highest AQI recorded in

December

79AQI

Lowest AQI recorded in

June

45AQI

Most & Least Polluted Years Over the Last 6 Years

Most Polluted Year Recorded
2025(Avg.)
72AQI
Least Polluted Year Recorded
2022(Avg.)
56AQI

Longquan's annual 2025 AQI (72) shows an average percentage change of 19.0007% (worsened AQI) compared to previous years: 2020 (61), 2021 (59), 2022 (56), 2023 (62), 2024 (62).