Epa Building, 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
Epa Building, Longquan, Zhejiang, China
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
26th Sep 2024
78AQILowest AQI recorded on
17th Sep 2024
30AQISame Day Analysis (28th September ):
On this day, AQI across the 2 years varied significantly: 2025 ranks 2nd highest AQI at 51 of Moderate air quality, showing improvement over 2024 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 29th Sep - 30th Sep 2025
Epa Building, Longquan, Zhejiang, China
AQI
Day
Night
.
5 AM29th Sep 2025
6 PM
4 AM30th Sep 2025
Day time
Avg. Highest Time
12AMNaNth undefined
AQI
Avg. Lowest Time
12AMNaNth undefined
AQI
Night time
Avg. Highest Time
10PM29th Sep
82AQI
Avg. Lowest Time
1AM30th Sep
71AQI
In the last 24 hours,
Epa Building's AQI reached its highest point of 82 at 10 PM during the Night, while the lowest point, undefined, was recorded at 4 AM during the Night between 29th Sep and 30th Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
Epa Building, Longquan, Zhejiang, China
AugSep
31st - 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 - 28th28th - 29th29th - 30th30th
Day
Night
31st Aug 2025525 AMAQI
31st Aug 2025516 AMAQI
31st Aug 2025527 AMAQI
31st Aug 2025568 AMAQI
31st Aug 2025559 AMAQI
31st Aug 20255610 AMAQI
31st Aug 20256011 AMAQI
31st Aug 20255612 PMAQI
31st Aug 2025551 PMAQI
31st Aug 2025552 PMAQI
31st Aug 2025563 PMAQI
31st Aug 2025524 PMAQI
31st Aug 2025545 PMAQI
31st Aug 2025536 PMAQI
31st Aug 2025557 PMAQI
31st Aug 2025568 PMAQI
31st Aug 2025579 PMAQI
31st Aug 20255610 PMAQI
31st Aug 20255411 PMAQI
1st Sep 20255512 AMAQI
1st Sep 2025521 AMAQI
1st Sep 2025522 AMAQI
1st Sep 2025533 AMAQI
1st Sep 2025534 AMAQI
23°C15/35°C
1st Sep 2025525 AMAQI
1st Sep 2025536 AMAQI
1st Sep 2025537 AMAQI
1st Sep 2025508 AMAQI
1st Sep 2025569 AMAQI
1st Sep 20255210 AMAQI
1st Sep 20255511 AMAQI
1st Sep 20255712 PMAQI
1st Sep 2025621 PMAQI
1st Sep 2025562 PMAQI
1st Sep 2025583 PMAQI
1st Sep 2025584 PMAQI
1st Sep 2025565 PMAQI
1st Sep 2025576 PMAQI
1st Sep 2025557 PMAQI
1st Sep 2025568 PMAQI
1st Sep 2025569 PMAQI
1st Sep 20255810 PMAQI
1st Sep 20255411 PMAQI
2nd Sep 20255412 AMAQI
2nd Sep 2025531 AMAQI
2nd Sep 2025552 AMAQI
2nd Sep 2025543 AMAQI
2nd Sep 2025544 AMAQI
22°C14/31°C
2nd Sep 2025545 AMAQI
2nd Sep 2025536 AMAQI
2nd Sep 2025547 AMAQI
2nd Sep 2025568 AMAQI
2nd Sep 2025599 AMAQI
2nd Sep 20255310 AMAQI
2nd Sep 20255511 AMAQI
2nd Sep 20255912 PMAQI
2nd Sep 2025591 PMAQI
2nd Sep 2025572 PMAQI
2nd Sep 2025543 PMAQI
2nd Sep 2025564 PMAQI
2nd Sep 2025545 PMAQI
2nd Sep 2025566 PMAQI
2nd Sep 2025567 PMAQI
2nd Sep 2025578 PMAQI
2nd Sep 2025589 PMAQI
2nd Sep 20255610 PMAQI
2nd Sep 20255511 PMAQI
3rd Sep 20255512 AMAQI
3rd Sep 2025551 AMAQI
3rd Sep 2025542 AMAQI
3rd Sep 2025543 AMAQI
3rd Sep 2025544 AMAQI
22°C15/33°C
3rd Sep 2025535 AMAQI
3rd Sep 2025546 AMAQI
3rd Sep 2025547 AMAQI
3rd Sep 2025628 AMAQI
3rd Sep 2025699 AMAQI
3rd Sep 20256310 AMAQI
3rd Sep 20256411 AMAQI
3rd Sep 20256412 PMAQI
3rd Sep 2025611 PMAQI
3rd Sep 2025602 PMAQI
3rd Sep 2025583 PMAQI
3rd Sep 2025564 PMAQI
3rd Sep 2025555 PMAQI
3rd Sep 2025526 PMAQI
3rd Sep 2025557 PMAQI
3rd Sep 2025588 PMAQI
3rd Sep 2025609 PMAQI
3rd Sep 20256310 PMAQI
3rd Sep 20256111 PMAQI
4th Sep 20255712 AMAQI
4th Sep 2025531 AMAQI
4th Sep 2025542 AMAQI
4th Sep 2025553 AMAQI
4th Sep 2025564 AMAQI
23°C15/35°C
4th Sep 2025555 AMAQI
4th Sep 2025566 AMAQI
4th Sep 2025567 AMAQI
4th Sep 2025718 AMAQI
4th Sep 2025679 AMAQI
4th Sep 20257010 AMAQI
4th Sep 20256511 AMAQI
4th Sep 20256512 PMAQI
4th Sep 2025641 PMAQI
4th Sep 2025622 PMAQI
4th Sep 2025623 PMAQI
4th Sep 2025634 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 20256312 AMAQI
5th Sep 2025551 AMAQI
5th Sep 2025562 AMAQI
5th Sep 2025583 AMAQI
5th Sep 2025574 AMAQI
23°C16/35°C
5th Sep 2025575 AMAQI
5th Sep 2025576 AMAQI
5th Sep 2025587 AMAQI
5th Sep 2025668 AMAQI
5th Sep 2025669 AMAQI
5th Sep 20256810 AMAQI
5th Sep 20256811 AMAQI
5th Sep 20256512 PMAQI
5th Sep 2025661 PMAQI
5th Sep 2025622 PMAQI
5th Sep 2025623 PMAQI
5th Sep 2025624 PMAQI
5th Sep 2025645 PMAQI
5th Sep 2025626 PMAQI
5th Sep 2025627 PMAQI
5th Sep 2025628 PMAQI
5th Sep 2025629 PMAQI
5th Sep 20256210 PMAQI
5th Sep 20256011 PMAQI
6th Sep 20256012 AMAQI
6th Sep 2025611 AMAQI
6th Sep 2025642 AMAQI
6th Sep 2025613 AMAQI
6th Sep 2025604 AMAQI
24°C16/35°C
6th Sep 2025605 AMAQI
6th Sep 2025606 AMAQI
6th Sep 2025607 AMAQI
6th Sep 2025578 AMAQI
6th Sep 2025609 AMAQI
6th Sep 20256410 AMAQI
6th Sep 20256011 AMAQI
6th Sep 20256012 PMAQI
6th Sep 2025541 PMAQI
6th Sep 2025582 PMAQI
6th Sep 2025553 PMAQI
6th Sep 2025544 PMAQI
6th Sep 2025555 PMAQI
6th Sep 2025546 PMAQI
6th Sep 2025567 PMAQI
6th Sep 2025588 PMAQI
6th Sep 2025649 PMAQI
6th Sep 20256110 PMAQI
6th Sep 20256111 PMAQI
7th Sep 20255912 AMAQI
7th Sep 2025641 AMAQI
7th Sep 2025612 AMAQI
7th Sep 2025613 AMAQI
7th Sep 2025614 AMAQI
26°C18/35°C
7th Sep 2025615 AMAQI
7th Sep 2025636 AMAQI
7th Sep 2025617 AMAQI
7th Sep 2025608 AMAQI
7th Sep 2025709 AMAQI
7th Sep 20256310 AMAQI
7th Sep 20256111 AMAQI
7th Sep 20256212 PMAQI
7th Sep 2025601 PMAQI
7th Sep 2025572 PMAQI
7th Sep 2025503 PMAQI
7th Sep 2025384 PMAQI
7th Sep 2025495 PMAQI
7th Sep 2025476 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 2025611 AMAQI
8th Sep 2025602 AMAQI
8th Sep 2025603 AMAQI
8th Sep 2025624 AMAQI
24°C16/36°C
8th Sep 2025615 AMAQI
8th Sep 2025616 AMAQI
8th Sep 2025617 AMAQI
8th Sep 2025608 AMAQI
8th Sep 2025609 AMAQI
8th Sep 20255510 AMAQI
8th Sep 20255311 AMAQI
8th Sep 20254712 PMAQI
8th Sep 2025501 PMAQI
8th Sep 2025522 PMAQI
8th Sep 2025513 PMAQI
8th Sep 2025584 PMAQI
8th Sep 2025505 PMAQI
8th Sep 2025576 PMAQI
8th Sep 2025567 PMAQI
8th Sep 2025598 PMAQI
8th Sep 2025599 PMAQI
8th Sep 20256010 PMAQI
8th Sep 20255811 PMAQI
9th Sep 20256012 AMAQI
9th Sep 2025631 AMAQI
9th Sep 2025622 AMAQI
9th Sep 2025623 AMAQI
9th Sep 2025604 AMAQI
24°C16/35°C
9th Sep 2025605 AMAQI
9th Sep 2025626 AMAQI
9th Sep 2025607 AMAQI
9th Sep 2025528 AMAQI
9th Sep 2025539 AMAQI
9th Sep 20255310 AMAQI
9th Sep 20255511 AMAQI
9th Sep 20254912 PMAQI
9th Sep 2025411 PMAQI
9th Sep 2025382 PMAQI
9th Sep 2025473 PMAQI
9th Sep 2025374 PMAQI
9th Sep 2025425 PMAQI
9th Sep 2025356 PMAQI
9th Sep 2025477 PMAQI
9th Sep 2025528 PMAQI
9th Sep 2025539 PMAQI
9th Sep 20255410 PMAQI
9th Sep 20255211 PMAQI
10th Sep 20255612 AMAQI
10th Sep 2025601 AMAQI
10th Sep 2025612 AMAQI
10th Sep 2025593 AMAQI
10th Sep 2025584 AMAQI
23°C16/34°C
10th Sep 2025585 AMAQI
10th Sep 2025596 AMAQI
10th Sep 2025587 AMAQI
10th Sep 2025528 AMAQI
10th Sep 2025559 AMAQI
10th Sep 20254710 AMAQI
10th Sep 20255011 AMAQI
10th Sep 20255012 PMAQI
10th Sep 2025491 PMAQI
10th Sep 2025452 PMAQI
10th Sep 2025463 PMAQI
10th Sep 2025504 PMAQI
10th Sep 2025435 PMAQI
10th Sep 2025446 PMAQI
10th Sep 2025507 PMAQI
10th Sep 2025568 PMAQI
10th Sep 2025559 PMAQI
10th Sep 20255410 PMAQI
10th Sep 20255411 PMAQI
11th Sep 20255612 AMAQI
11th Sep 2025581 AMAQI
11th Sep 2025582 AMAQI
11th Sep 2025583 AMAQI
11th Sep 2025574 AMAQI
22°C16/32°C
11th Sep 2025585 AMAQI
11th Sep 2025566 AMAQI
11th Sep 2025577 AMAQI
11th Sep 2025488 AMAQI
11th Sep 2025489 AMAQI
11th Sep 20254810 AMAQI
11th Sep 20254511 AMAQI
11th Sep 20254312 PMAQI
11th Sep 2025411 PMAQI
11th Sep 2025402 PMAQI
11th Sep 2025363 PMAQI
11th Sep 2025444 PMAQI
11th Sep 2025345 PMAQI
11th Sep 2025386 PMAQI
11th Sep 2025467 PMAQI
11th Sep 2025558 PMAQI
11th Sep 2025549 PMAQI
11th Sep 20255210 PMAQI
11th Sep 20255311 PMAQI
12th Sep 20255612 AMAQI
12th Sep 2025581 AMAQI
12th Sep 2025562 AMAQI
12th Sep 2025563 AMAQI
12th Sep 2025564 AMAQI
23°C16/33°C
12th Sep 2025575 AMAQI
12th Sep 2025566 AMAQI
12th Sep 2025567 AMAQI
12th Sep 2025498 AMAQI
12th Sep 2025509 AMAQI
12th Sep 20255210 AMAQI
12th Sep 20255411 AMAQI
12th Sep 20255412 PMAQI
12th Sep 2025521 PMAQI
12th Sep 2025502 PMAQI
12th Sep 2025453 PMAQI
12th Sep 2025454 PMAQI
12th Sep 2025415 PMAQI
12th Sep 2025406 PMAQI
12th Sep 2025507 PMAQI
12th Sep 2025558 PMAQI
12th Sep 2025569 PMAQI
12th Sep 20255610 PMAQI
12th Sep 20255411 PMAQI
13th Sep 20255612 AMAQI
13th Sep 2025561 AMAQI
13th Sep 2025562 AMAQI
13th Sep 2025563 AMAQI
13th Sep 2025564 AMAQI
23°C15/33°C
13th Sep 2025555 AMAQI
13th Sep 2025556 AMAQI
13th Sep 2025557 AMAQI
13th Sep 2025608 AMAQI
13th Sep 2025589 AMAQI
13th Sep 20255810 AMAQI
13th Sep 20256111 AMAQI
13th Sep 20256012 PMAQI
13th Sep 2025651 PMAQI
13th Sep 2025552 PMAQI
13th Sep 2025503 PMAQI
13th Sep 2025504 PMAQI
13th Sep 2025505 PMAQI
13th Sep 2025466 PMAQI
13th Sep 2025527 PMAQI
13th Sep 2025538 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 2025564 AMAQI
23°C16/34°C
14th Sep 2025565 AMAQI
14th Sep 2025566 AMAQI
14th Sep 2025567 AMAQI
14th Sep 2025358 AMAQI
14th Sep 2025479 AMAQI
14th Sep 20254210 AMAQI
14th Sep 20255211 AMAQI
14th Sep 20255612 PMAQI
14th Sep 2025581 PMAQI
14th Sep 2025552 PMAQI
14th Sep 2025533 PMAQI
14th Sep 2025504 PMAQI
14th Sep 2025525 PMAQI
14th Sep 2025496 PMAQI
14th Sep 2025587 PMAQI
14th Sep 2025558 PMAQI
14th Sep 2025559 PMAQI
14th Sep 20255710 PMAQI
14th Sep 20255711 PMAQI
15th Sep 20255612 AMAQI
15th Sep 2025561 AMAQI
15th Sep 2025562 AMAQI
15th Sep 2025543 AMAQI
15th Sep 2025554 AMAQI
24°C16/34°C
15th Sep 2025545 AMAQI
15th Sep 2025546 AMAQI
15th Sep 2025557 AMAQI
15th Sep 2025718 AMAQI
15th Sep 2025659 AMAQI
15th Sep 20256310 AMAQI
15th Sep 20256411 AMAQI
15th Sep 20256212 PMAQI
15th Sep 2025581 PMAQI
15th Sep 2025572 PMAQI
15th Sep 2025543 PMAQI
15th Sep 2025544 PMAQI
15th Sep 2025575 PMAQI
15th Sep 2025626 PMAQI
15th Sep 2025607 PMAQI
15th Sep 2025588 PMAQI
15th Sep 2025649 PMAQI
15th Sep 20256510 PMAQI
15th Sep 20256311 PMAQI
16th Sep 20255912 AMAQI
16th Sep 2025561 AMAQI
16th Sep 2025552 AMAQI
16th Sep 2025563 AMAQI
16th Sep 2025564 AMAQI
24°C16/35°C
16th Sep 2025565 AMAQI
16th Sep 2025566 AMAQI
16th Sep 2025567 AMAQI
16th Sep 2025578 AMAQI
16th Sep 2025649 AMAQI
16th Sep 20255510 AMAQI
16th Sep 20255411 AMAQI
16th Sep 20255812 PMAQI
16th Sep 2025561 PMAQI
16th Sep 2025442 PMAQI
16th Sep 2025363 PMAQI
16th Sep 2025484 PMAQI
16th Sep 2025445 PMAQI
16th Sep 2025556 PMAQI
16th Sep 2025577 PMAQI
16th Sep 2025598 PMAQI
16th Sep 2025609 PMAQI
16th Sep 20256010 PMAQI
16th Sep 20255611 PMAQI
17th Sep 20256312 AMAQI
17th Sep 2025561 AMAQI
17th Sep 2025562 AMAQI
17th Sep 2025573 AMAQI
17th Sep 2025574 AMAQI
24°C17/35°C
17th Sep 2025575 AMAQI
17th Sep 2025566 AMAQI
17th Sep 2025567 AMAQI
17th Sep 2025568 AMAQI
17th Sep 2025539 AMAQI
17th Sep 20255610 AMAQI
17th Sep 20254911 AMAQI
17th Sep 20255012 PMAQI
17th Sep 2025551 PMAQI
17th Sep 2025542 PMAQI
17th Sep 2025513 PMAQI
17th Sep 2025404 PMAQI
17th Sep 2025565 PMAQI
17th Sep 2025456 PMAQI
17th Sep 2025567 PMAQI
17th Sep 2025588 PMAQI
17th Sep 2025629 PMAQI
17th Sep 20256110 PMAQI
17th Sep 20256311 PMAQI
18th Sep 20256012 AMAQI
18th Sep 2025581 AMAQI
18th Sep 2025572 AMAQI
18th Sep 2025573 AMAQI
18th Sep 2025584 AMAQI
24°C16/35°C
18th Sep 2025585 AMAQI
18th Sep 2025586 AMAQI
18th Sep 2025587 AMAQI
18th Sep 2025578 AMAQI
18th Sep 2025569 AMAQI
18th Sep 20255310 AMAQI
18th Sep 20255511 AMAQI
18th Sep 20255012 PMAQI
18th Sep 2025491 PMAQI
18th Sep 2025452 PMAQI
18th Sep 2025383 PMAQI
18th Sep 2025434 PMAQI
18th Sep 2025495 PMAQI
18th Sep 2025536 PMAQI
18th Sep 2025567 PMAQI
18th Sep 2025548 PMAQI
18th Sep 2025539 PMAQI
18th Sep 20255110 PMAQI
18th Sep 20255011 PMAQI
19th Sep 20255212 AMAQI
19th Sep 2025581 AMAQI
19th Sep 2025582 AMAQI
19th Sep 2025573 AMAQI
19th Sep 2025544 AMAQI
22°C15/33°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 20255011 AMAQI
19th Sep 20255712 PMAQI
19th Sep 2025431 PMAQI
19th Sep 2025282 PMAQI
19th Sep 2025403 PMAQI
19th Sep 2025454 PMAQI
19th Sep 2025395 PMAQI
19th Sep 2025526 PMAQI
19th Sep 2025527 PMAQI
19th Sep 2025538 PMAQI
19th Sep 2025529 PMAQI
19th Sep 20255210 PMAQI
19th Sep 20255311 PMAQI
20th Sep 20254812 AMAQI
20th Sep 2025521 AMAQI
20th Sep 2025542 AMAQI
20th Sep 2025543 AMAQI
20th Sep 2025524 AMAQI
21°C14/31°C
20th Sep 2025535 AMAQI
20th Sep 2025536 AMAQI
20th Sep 2025537 AMAQI
20th Sep 2025538 AMAQI
20th Sep 2025509 AMAQI
20th Sep 20255010 AMAQI
20th Sep 20255011 AMAQI
20th Sep 20255012 PMAQI
20th Sep 2025461 PMAQI
20th Sep 2025542 PMAQI
20th Sep 2025433 PMAQI
20th Sep 2025544 PMAQI
20th Sep 2025565 PMAQI
20th Sep 2025536 PMAQI
20th Sep 2025587 PMAQI
20th Sep 2025538 PMAQI
20th Sep 2025559 PMAQI
20th Sep 20255710 PMAQI
20th Sep 20255311 PMAQI
21st Sep 20255212 AMAQI
21st Sep 2025471 AMAQI
21st Sep 2025532 AMAQI
21st Sep 2025533 AMAQI
21st Sep 2025544 AMAQI
20°C16/26°C
21st Sep 2025545 AMAQI
21st Sep 2025546 AMAQI
21st Sep 2025547 AMAQI
21st Sep 2025438 AMAQI
21st Sep 2025349 AMAQI
21st Sep 20253410 AMAQI
21st Sep 20253011 AMAQI
21st Sep 20254512 PMAQI
21st Sep 2025371 PMAQI
21st Sep 2025382 PMAQI
21st Sep 2025423 PMAQI
21st Sep 2025524 PMAQI
21st Sep 2025465 PMAQI
21st Sep 2025416 PMAQI
21st Sep 2025527 PMAQI
21st Sep 2025548 PMAQI
21st Sep 2025529 PMAQI
21st Sep 20255410 PMAQI
21st Sep 20255511 PMAQI
22nd Sep 20255312 AMAQI
22nd Sep 2025541 AMAQI
22nd Sep 2025532 AMAQI
22nd Sep 2025523 AMAQI
22nd Sep 2025504 AMAQI
19°C15/24°C
22nd Sep 2025505 AMAQI
22nd Sep 2025516 AMAQI
22nd Sep 2025507 AMAQI
22nd Sep 2025548 AMAQI
22nd Sep 2025569 AMAQI
22nd Sep 20255310 AMAQI
22nd Sep 20255211 AMAQI
22nd Sep 20255012 PMAQI
22nd Sep 2025401 PMAQI
22nd Sep 2025452 PMAQI
22nd Sep 2025383 PMAQI
22nd Sep 2025394 PMAQI
22nd Sep 2025455 PMAQI
22nd Sep 2025516 PMAQI
22nd Sep 2025547 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 2025522 AMAQI
23rd Sep 2025523 AMAQI
23rd Sep 2025524 AMAQI
20°C14/30°C
23rd Sep 2025525 AMAQI
23rd Sep 2025526 AMAQI
23rd Sep 2025527 AMAQI
23rd Sep 2025598 AMAQI
23rd Sep 2025599 AMAQI
23rd Sep 20255610 AMAQI
23rd Sep 20255711 AMAQI
23rd Sep 20255512 PMAQI
23rd Sep 2025491 PMAQI
23rd Sep 2025422 PMAQI
23rd Sep 2025383 PMAQI
23rd Sep 2025344 PMAQI
23rd Sep 2025355 PMAQI
23rd Sep 2025376 PMAQI
23rd Sep 2025357 PMAQI
23rd Sep 2025498 PMAQI
23rd Sep 2025549 PMAQI
23rd Sep 20255310 PMAQI
23rd Sep 20255711 PMAQI
24th Sep 20255512 AMAQI
24th Sep 2025521 AMAQI
24th Sep 2025532 AMAQI
24th Sep 2025533 AMAQI
24th Sep 2025544 AMAQI
20°C15/27°C
24th Sep 2025555 AMAQI
24th Sep 2025556 AMAQI
24th Sep 2025537 AMAQI
24th Sep 2025348 AMAQI
24th Sep 2025319 AMAQI
24th Sep 20253810 AMAQI
24th Sep 20253711 AMAQI
24th Sep 20253412 PMAQI
24th Sep 2025301 PMAQI
24th Sep 2025302 PMAQI
24th Sep 2025323 PMAQI
24th Sep 2025354 PMAQI
24th Sep 2025355 PMAQI
24th Sep 2025456 PMAQI
24th Sep 2025507 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
23°C16/27°C
25th Sep 2025525 AMAQI
25th Sep 2025516 AMAQI
25th Sep 2025527 AMAQI
25th Sep 2025488 AMAQI
25th Sep 2025409 AMAQI
25th Sep 20255010 AMAQI
25th Sep 20255211 AMAQI
25th Sep 20254312 PMAQI
25th Sep 2025291 PMAQI
25th Sep 2025242 PMAQI
25th Sep 2025343 PMAQI
25th Sep 2025284 PMAQI
25th Sep 2025275 PMAQI
25th Sep 2025296 PMAQI
25th Sep 2025327 PMAQI
25th Sep 2025338 PMAQI
25th Sep 2025369 PMAQI
25th Sep 20253910 PMAQI
25th Sep 20254011 PMAQI
26th Sep 20253512 AMAQI
26th Sep 2025361 AMAQI
26th Sep 2025352 AMAQI
26th Sep 2025393 AMAQI
26th Sep 2025374 AMAQI
22°C16/31°C
26th Sep 2025355 AMAQI
26th Sep 2025406 AMAQI
26th Sep 2025467 AMAQI
26th Sep 2025478 AMAQI
26th Sep 2025449 AMAQI
26th Sep 20254110 AMAQI
26th Sep 20253811 AMAQI
26th Sep 20253312 PMAQI
26th Sep 2025271 PMAQI
26th Sep 2025242 PMAQI
26th Sep 2025223 PMAQI
26th Sep 2025244 PMAQI
26th Sep 2025305 PMAQI
26th Sep 2025326 PMAQI
26th Sep 2025387 PMAQI
26th Sep 2025478 PMAQI
26th Sep 2025499 PMAQI
26th Sep 20254810 PMAQI
26th Sep 20254411 PMAQI
27th Sep 20254712 AMAQI
27th Sep 2025531 AMAQI
27th Sep 2025542 AMAQI
27th Sep 2025573 AMAQI
27th Sep 2025564 AMAQI
22°C14/32°C
27th Sep 2025555 AMAQI
27th Sep 2025556 AMAQI
27th Sep 2025537 AMAQI
27th Sep 2025548 AMAQI
27th Sep 2025569 AMAQI
27th Sep 20255710 AMAQI
27th Sep 20255511 AMAQI
27th Sep 20255212 PMAQI
27th Sep 2025481 PMAQI
27th Sep 2025402 PMAQI
27th Sep 2025313 PMAQI
27th Sep 2025304 PMAQI
27th Sep 2025355 PMAQI
27th Sep 2025396 PMAQI
27th Sep 2025447 PMAQI
27th Sep 2025548 PMAQI
27th Sep 2025569 PMAQI
27th Sep 20255610 PMAQI
27th Sep 20255711 PMAQI
28th Sep 20255812 AMAQI
28th Sep 2025611 AMAQI
28th Sep 2025622 AMAQI
28th Sep 2025603 AMAQI
28th Sep 2025544 AMAQI
22°C15/33°C
28th Sep 2025545 AMAQI
28th Sep 2025546 AMAQI
28th Sep 2025537 AMAQI
28th Sep 2025548 AMAQI
28th Sep 2025549 AMAQI
28th Sep 20255310 AMAQI
28th Sep 20255011 AMAQI
28th Sep 20254412 PMAQI
28th Sep 2025421 PMAQI
28th Sep 2025332 PMAQI
28th Sep 2025263 PMAQI
28th Sep 2025214 PMAQI
28th Sep 2025265 PMAQI
28th Sep 2025356 PMAQI
28th Sep 2025467 PMAQI
28th Sep 2025548 PMAQI
28th Sep 2025589 PMAQI
28th Sep 20255710 PMAQI
28th Sep 20255911 PMAQI
29th Sep 20256012 AMAQI
29th Sep 2025651 AMAQI
29th Sep 2025722 AMAQI
29th Sep 2025723 AMAQI
29th Sep 2025714 AMAQI
24°C16/34°C
29th Sep 2025725 AMAQI
29th Sep 2025746 AMAQI
29th Sep 2025757 AMAQI
29th Sep 2025768 AMAQI
29th Sep 2025779 AMAQI
29th Sep 20257710 AMAQI
29th Sep 20257811 AMAQI
29th Sep 20257812 PMAQI
29th Sep 2025781 PMAQI
29th Sep 2025772 PMAQI
29th Sep 2025743 PMAQI
29th Sep 2025734 PMAQI
29th Sep 2025745 PMAQI
29th Sep 2025776 PMAQI
29th Sep 2025817 PMAQI
29th Sep 2025778 PMAQI
29th Sep 2025809 PMAQI
29th Sep 20258210 PMAQI
29th Sep 20258211 PMAQI
30th Sep 20257512 AMAQI
30th Sep 2025711 AMAQI
30th Sep 2025752 AMAQI
--°C/°C
5 AM
11 AM
6 PM
11 PM
4 AM
--°C/°C
Day time
Avg. Highest Time
5 AM - 9 AM
56AQI
5 hours / Day
150 hours / Month
Avg. Lowest Time
3 PM - 6 PM
47AQI
4 hours / Day
120 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 5 AM to 9 AM (Avg. 56), while the lowest AQI was between 3 PM to 6 PM (Avg. 47).
Night time
Avg. Highest Time
12 AM - 4 AM
56AQI
5 hours / Day
150 hours / Month
Avg. Lowest Time
7 PM
53AQI
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. 56), while the lowest AQI was between 7 PM to 7 PM (Avg. 53).
2025 Days Vs Air Quality
Epa Building, Longquan, Zhejiang, China
2025
16%
44
72%
194
12%
33
Total number of days with different AQI categories in last 272 days in 2025 (93 days remaining)
Good
44 DaysModerate
194 DaysPoor
33 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 16%
Health Risk Level:
Extreme
In 2025, 16% of 272 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
Epa Building, 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
144AQI
144AQI
2nd January 2025
125AQI
125AQI
3rd January 2025
131AQI
131AQI
4th January 2025
132AQI
132AQI
5th January 2025
136AQI
136AQI
6th January 2025
129AQI
129AQI
7th January 2025
131AQI
131AQI
8th January 2025
129AQI
129AQI
9th January 2025
118AQI
118AQI
10th January 2025
97AQI
97AQI
11th January 2025
101AQI
101AQI
12th January 2025
96AQI
96AQI
13th January 2025
94AQI
94AQI
14th January 2025
97AQI
97AQI
15th January 2025
121AQI
121AQI
16th January 2025
88AQI
88AQI
17th January 2025
96AQI
96AQI
18th January 2025
92AQI
92AQI
19th January 2025
90AQI
90AQI
20th January 2025
92AQI
92AQI
21st January 2025
122AQI
122AQI
22nd January 2025
124AQI
124AQI
23rd January 2025
111AQI
111AQI
24th January 2025
106AQI
106AQI
25th January 2025
91AQI
91AQI
26th January 2025
63AQI
63AQI
27th January 2025
70AQI
70AQI
28th January 2025
81AQI
81AQI
29th January 2025
115AQI
115AQI
30th January 2025
92AQI
92AQI
31st January 2025
94AQI
94AQI
1st February 2025
68AQI
68AQI
2nd February 2025
67AQI
67AQI
3rd February 2025
83AQI
83AQI
4th February 2025
87AQI
87AQI
5th February 2025
80AQI
80AQI
6th February 2025
91AQI
91AQI
7th February 2025
78AQI
78AQI
8th February 2025
65AQI
65AQI
9th February 2025
70AQI
70AQI
10th February 2025
82AQI
82AQI
11th February 2025
82AQI
82AQI
12th February 2025
92AQI
92AQI
13th February 2025
113AQI
113AQI
14th February 2025
121AQI
121AQI
15th February 2025
115AQI
115AQI
16th February 2025
101AQI
101AQI
17th February 2025
108AQI
108AQI
18th February 2025
90AQI
90AQI
19th February 2025
88AQI
88AQI
20th February 2025
62AQI
62AQI
21st February 2025
59AQI
59AQI
22nd February 2025
61AQI
61AQI
23rd February 2025
67AQI
67AQI
24th February 2025
92AQI
92AQI
25th February 2025
113AQI
113AQI
26th February 2025
107AQI
107AQI
27th February 2025
101AQI
101AQI
28th February 2025
85AQI
85AQI
1st March 2025
81AQI
81AQI
2nd March 2025
81AQI
81AQI
3rd March 2025
77AQI
77AQI
4th March 2025
61AQI
61AQI
5th March 2025
63AQI
63AQI
6th March 2025
62AQI
62AQI
7th March 2025
82AQI
82AQI
8th March 2025
80AQI
80AQI
9th March 2025
101AQI
101AQI
10th March 2025
90AQI
90AQI
11th March 2025
120AQI
120AQI
12th March 2025
94AQI
94AQI
13th March 2025
70AQI
70AQI
14th March 2025
65AQI
65AQI
15th March 2025
45AQI
45AQI
16th March 2025
69AQI
69AQI
17th March 2025
67AQI
67AQI
18th March 2025
69AQI
69AQI
19th March 2025
76AQI
76AQI
20th March 2025
75AQI
75AQI
21st March 2025
78AQI
78AQI
22nd March 2025
76AQI
76AQI
23rd March 2025
85AQI
85AQI
24th March 2025
94AQI
94AQI
25th March 2025
105AQI
105AQI
26th March 2025
123AQI
123AQI
27th March 2025
109AQI
109AQI
28th March 2025
88AQI
88AQI
29th March 2025
79AQI
79AQI
30th March 2025
74AQI
74AQI
31st March 2025
81AQI
81AQI
1st April 2025
72AQI
72AQI
2nd April 2025
80AQI
80AQI
3rd April 2025
83AQI
83AQI
4th April 2025
96AQI
96AQI
5th April 2025
94AQI
94AQI
6th April 2025
87AQI
87AQI
7th April 2025
93AQI
93AQI
8th April 2025
98AQI
98AQI
9th April 2025
103AQI
103AQI
10th April 2025
87AQI
87AQI
11th April 2025
92AQI
92AQI
12th April 2025
112AQI
112AQI
13th April 2025
104AQI
104AQI
14th April 2025
106AQI
106AQI
15th April 2025
90AQI
90AQI
16th April 2025
90AQI
90AQI
17th April 2025
97AQI
97AQI
18th April 2025
96AQI
96AQI
19th April 2025
81AQI
81AQI
20th April 2025
84AQI
84AQI
21st April 2025
83AQI
83AQI
22nd April 2025
69AQI
69AQI
23rd April 2025
74AQI
74AQI
24th April 2025
64AQI
64AQI
25th April 2025
54AQI
54AQI
26th April 2025
58AQI
58AQI
27th April 2025
58AQI
58AQI
28th April 2025
69AQI
69AQI
29th April 2025
81AQI
81AQI
30th April 2025
82AQI
82AQI
1st May 2025
87AQI
87AQI
2nd May 2025
83AQI
83AQI
3rd May 2025
92AQI
92AQI
4th May 2025
83AQI
83AQI
5th May 2025
73AQI
73AQI
6th May 2025
83AQI
83AQI
7th May 2025
90AQI
90AQI
8th May 2025
77AQI
77AQI
9th May 2025
75AQI
75AQI
10th May 2025
74AQI
74AQI
11th May 2025
78AQI
78AQI
12th May 2025
75AQI
75AQI
13th May 2025
72AQI
72AQI
14th May 2025
76AQI
76AQI
15th May 2025
88AQI
88AQI
16th May 2025
79AQI
79AQI
17th May 2025
76AQI
76AQI
18th May 2025
65AQI
65AQI
19th May 2025
69AQI
69AQI
20th May 2025
61AQI
61AQI
21st May 2025
61AQI
61AQI
22nd May 2025
70AQI
70AQI
23rd May 2025
64AQI
64AQI
24th May 2025
76AQI
76AQI
25th May 2025
87AQI
87AQI
26th May 2025
93AQI
93AQI
27th May 2025
90AQI
90AQI
28th May 2025
74AQI
74AQI
29th May 2025
65AQI
65AQI
30th May 2025
68AQI
68AQI
31st May 2025
71AQI
71AQI
1st June 2025
64AQI
64AQI
2nd June 2025
64AQI
64AQI
3rd June 2025
59AQI
59AQI
4th June 2025
66AQI
66AQI
5th June 2025
64AQI
64AQI
6th June 2025
67AQI
67AQI
7th June 2025
71AQI
71AQI
8th June 2025
68AQI
68AQI
9th June 2025
66AQI
66AQI
10th June 2025
63AQI
63AQI
11th June 2025
54AQI
54AQI
12th June 2025
55AQI
55AQI
13th June 2025
48AQI
48AQI
14th June 2025
54AQI
54AQI
15th June 2025
57AQI
57AQI
16th June 2025
57AQI
57AQI
17th June 2025
59AQI
59AQI
18th June 2025
52AQI
52AQI
19th June 2025
53AQI
53AQI
20th June 2025
47AQI
47AQI
21st June 2025
51AQI
51AQI
22nd June 2025
56AQI
56AQI
23rd June 2025
51AQI
51AQI
24th June 2025
50AQI
50AQI
25th June 2025
53AQI
53AQI
26th June 2025
52AQI
52AQI
27th June 2025
52AQI
52AQI
28th June 2025
49AQI
49AQI
29th June 2025
52AQI
52AQI
30th June 2025
50AQI
50AQI
1st July 2025
47AQI
47AQI
2nd July 2025
43AQI
43AQI
3rd July 2025
49AQI
49AQI
4th July 2025
54AQI
54AQI
5th July 2025
54AQI
54AQI
6th July 2025
51AQI
51AQI
7th July 2025
51AQI
51AQI
8th July 2025
52AQI
52AQI
9th July 2025
49AQI
49AQI
10th July 2025
48AQI
48AQI
11th July 2025
47AQI
47AQI
12th July 2025
47AQI
47AQI
13th July 2025
49AQI
49AQI
14th July 2025
52AQI
52AQI
15th July 2025
57AQI
57AQI
16th July 2025
59AQI
59AQI
17th July 2025
61AQI
61AQI
18th July 2025
58AQI
58AQI
19th July 2025
46AQI
46AQI
20th July 2025
44AQI
44AQI
21st July 2025
40AQI
40AQI
22nd July 2025
39AQI
39AQI
23rd July 2025
39AQI
39AQI
24th July 2025
39AQI
39AQI
25th July 2025
40AQI
40AQI
26th July 2025
40AQI
40AQI
27th July 2025
41AQI
41AQI
28th July 2025
37AQI
37AQI
29th July 2025
40AQI
40AQI
30th July 2025
46AQI
46AQI
31st July 2025
46AQI
46AQI
1st August 2025
55AQI
55AQI
2nd August 2025
60AQI
60AQI
3rd August 2025
57AQI
57AQI
4th August 2025
57AQI
57AQI
5th August 2025
52AQI
52AQI
6th August 2025
52AQI
52AQI
7th August 2025
51AQI
51AQI
8th August 2025
51AQI
51AQI
9th August 2025
53AQI
53AQI
10th August 2025
60AQI
60AQI
11th August 2025
60AQI
60AQI
12th August 2025
59AQI
59AQI
13th August 2025
47AQI
47AQI
14th August 2025
45AQI
45AQI
15th August 2025
45AQI
45AQI
16th August 2025
48AQI
48AQI
17th August 2025
50AQI
50AQI
18th August 2025
50AQI
50AQI
19th August 2025
51AQI
51AQI
20th August 2025
50AQI
50AQI
21st August 2025
53AQI
53AQI
22nd August 2025
51AQI
51AQI
23rd August 2025
51AQI
51AQI
24th August 2025
54AQI
54AQI
25th August 2025
54AQI
54AQI
26th August 2025
50AQI
50AQI
27th August 2025
49AQI
49AQI
28th August 2025
49AQI
49AQI
29th August 2025
50AQI
50AQI
30th August 2025
52AQI
52AQI
31st August 2025
51AQI
51AQI
1st September 2025
55AQI
55AQI
2nd September 2025
55AQI
55AQI
3rd September 2025
57AQI
57AQI
4th September 2025
61AQI
61AQI
5th September 2025
62AQI
62AQI
6th September 2025
60AQI
60AQI
7th September 2025
59AQI
59AQI
8th September 2025
58AQI
58AQI
9th September 2025
54AQI
54AQI
10th September 2025
53AQI
53AQI
11th September 2025
51AQI
51AQI
12th September 2025
53AQI
53AQI
13th September 2025
55AQI
55AQI
14th September 2025
53AQI
53AQI
15th September 2025
58AQI
58AQI
16th September 2025
56AQI
56AQI
17th September 2025
59AQI
59AQI
18th September 2025
55AQI
55AQI
19th September 2025
51AQI
51AQI
20th September 2025
52AQI
52AQI
21st September 2025
49AQI
49AQI
22nd September 2025
51AQI
51AQI
23rd September 2025
50AQI
50AQI
24th September 2025
46AQI
46AQI
25th September 2025
40AQI
40AQI
26th September 2025
37AQI
37AQI
27th September 2025
49AQI
49AQI
28th September 2025
51AQI
51AQI
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
107AQI
87AQI
81AQI
85AQI
77AQI
57AQI
47AQI
52AQI
53AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202572AQI
15
16
20
8
1
25
5
26
4
31
5
25
21
10
11
20
6
22
44
194
33
Highest AQI recorded in
January107AQI
Lowest AQI recorded in
July47AQI
202462AQI
16
1
1
4
8
18
12
18
13
8
23
11
18
11
20
8
21
1
12
18
1
78
145
19
1
Highest AQI recorded in
December109AQI
Lowest AQI recorded in
July47AQI
202362AQI
3
31
34
Highest AQI recorded in
November66AQI
Lowest AQI recorded in
December61AQI
202153AQI
1
1
Highest AQI recorded in
January53AQI
Lowest AQI recorded in
January53AQI
202049AQI
11
6
3
6
6
1
17
16
Highest AQI recorded in
December78AQI
Lowest AQI recorded in
September46AQI
Most & Least Polluted Years Over the Last 5 Years
Most Polluted Year Recorded
2025(Avg.)
72AQILeast Polluted Year Recorded
2020(Avg.)
49AQIEpa Building's annual 2025 AQI (72) shows an average percentage change of 28.1% (worsened AQI) compared to previous years: 2020 (49), 2021 (53), 2023 (62), 2024 (62).
