Lake District, Hefei, Anhui, 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
Lake District, Hefei, Anhui, China
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
29th Aug 2021
118AQILowest AQI recorded on
1st Aug 2024
30AQISame Day Analysis (7th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 3rd highest AQI at 61 of Moderate air quality, showing improvement over 2023 and 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 7th Aug - 8th Aug 2025
Lake District, Hefei, Anhui, China
AQI
Day
Night
.
5 AM7th Aug 2025
7 PM
4 AM8th Aug 2025
Day time
Avg. Highest Time
5AM7th Aug
61AQI
Avg. Lowest Time
9AM7th Aug
38AQI
Night time
Avg. Highest Time
1AM8th Aug
60AQI
Avg. Lowest Time
11PM7th Aug
55AQI
In the last 24 hours,
Lake District's AQI reached its highest point of 61 at 5 AM during the Day, while the lowest point, 38, was recorded at 9 AM during the Day between 7th Aug and 8th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Lake District, Hefei, Anhui, China
JulAug
09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th
Day
Night
9th Jul 2025605 AMAQI
9th Jul 2025606 AMAQI
9th Jul 2025607 AMAQI
9th Jul 2025458 AMAQI
9th Jul 2025499 AMAQI
9th Jul 20255310 AMAQI
9th Jul 20255211 AMAQI
9th Jul 20255312 PMAQI
9th Jul 2025471 PMAQI
9th Jul 2025492 PMAQI
9th Jul 2025523 PMAQI
9th Jul 2025554 PMAQI
9th Jul 2025555 PMAQI
9th Jul 2025526 PMAQI
9th Jul 2025547 PMAQI
9th Jul 2025568 PMAQI
9th Jul 2025569 PMAQI
9th Jul 20255810 PMAQI
9th Jul 20255711 PMAQI
10th Jul 20255712 AMAQI
10th Jul 2025611 AMAQI
10th Jul 2025612 AMAQI
10th Jul 2025603 AMAQI
10th Jul 2025584 AMAQI
29°C25/33°C
10th Jul 2025585 AMAQI
10th Jul 2025596 AMAQI
10th Jul 2025597 AMAQI
10th Jul 2025668 AMAQI
10th Jul 2025809 AMAQI
10th Jul 20258110 AMAQI
10th Jul 20258311 AMAQI
10th Jul 20258712 PMAQI
10th Jul 2025911 PMAQI
10th Jul 2025902 PMAQI
10th Jul 2025883 PMAQI
10th Jul 2025894 PMAQI
10th Jul 2025915 PMAQI
10th Jul 2025906 PMAQI
10th Jul 2025817 PMAQI
10th Jul 2025748 PMAQI
10th Jul 2025749 PMAQI
10th Jul 20256810 PMAQI
10th Jul 20256711 PMAQI
11th Jul 20256912 AMAQI
11th Jul 2025591 AMAQI
11th Jul 2025592 AMAQI
11th Jul 2025613 AMAQI
11th Jul 2025644 AMAQI
28°C25/32°C
11th Jul 2025645 AMAQI
11th Jul 2025646 AMAQI
11th Jul 2025647 AMAQI
11th Jul 20251048 AMAQI
11th Jul 20251079 AMAQI
11th Jul 20259210 AMAQI
11th Jul 202510111 AMAQI
11th Jul 20259112 PMAQI
11th Jul 2025921 PMAQI
11th Jul 2025822 PMAQI
11th Jul 2025723 PMAQI
11th Jul 2025654 PMAQI
11th Jul 2025605 PMAQI
11th Jul 2025706 PMAQI
11th Jul 2025727 PMAQI
11th Jul 2025678 PMAQI
11th Jul 2025649 PMAQI
11th Jul 20255810 PMAQI
11th Jul 20255711 PMAQI
12th Jul 20255812 AMAQI
12th Jul 2025611 AMAQI
12th Jul 2025632 AMAQI
12th Jul 2025663 AMAQI
12th Jul 2025684 AMAQI
28°C24/33°C
12th Jul 2025695 AMAQI
12th Jul 2025696 AMAQI
12th Jul 2025687 AMAQI
12th Jul 2025698 AMAQI
12th Jul 2025749 AMAQI
12th Jul 20257210 AMAQI
12th Jul 20257211 AMAQI
12th Jul 20257012 PMAQI
12th Jul 2025661 PMAQI
12th Jul 2025682 PMAQI
12th Jul 2025673 PMAQI
12th Jul 2025674 PMAQI
12th Jul 2025685 PMAQI
12th Jul 2025676 PMAQI
12th Jul 2025617 PMAQI
12th Jul 2025618 PMAQI
12th Jul 2025599 PMAQI
12th Jul 20256010 PMAQI
12th Jul 20256211 PMAQI
13th Jul 20256312 AMAQI
13th Jul 2025641 AMAQI
13th Jul 2025642 AMAQI
13th Jul 2025653 AMAQI
13th Jul 2025664 AMAQI
27°C24/32°C
13th Jul 2025665 AMAQI
13th Jul 2025656 AMAQI
13th Jul 2025667 AMAQI
13th Jul 2025698 AMAQI
13th Jul 2025769 AMAQI
13th Jul 20257110 AMAQI
13th Jul 20257011 AMAQI
13th Jul 20256612 PMAQI
13th Jul 2025661 PMAQI
13th Jul 2025702 PMAQI
13th Jul 2025673 PMAQI
13th Jul 2025614 PMAQI
13th Jul 2025635 PMAQI
13th Jul 2025606 PMAQI
13th Jul 2025667 PMAQI
13th Jul 2025668 PMAQI
13th Jul 2025669 PMAQI
13th Jul 20256710 PMAQI
13th Jul 20256511 PMAQI
14th Jul 20256812 AMAQI
14th Jul 2025641 AMAQI
14th Jul 2025642 AMAQI
14th Jul 2025643 AMAQI
14th Jul 2025654 AMAQI
29°C24/33°C
14th Jul 2025645 AMAQI
14th Jul 2025656 AMAQI
14th Jul 2025647 AMAQI
14th Jul 2025728 AMAQI
14th Jul 2025739 AMAQI
14th Jul 20257110 AMAQI
14th Jul 20256711 AMAQI
14th Jul 20256612 PMAQI
14th Jul 2025661 PMAQI
14th Jul 2025652 PMAQI
14th Jul 2025723 PMAQI
14th Jul 2025824 PMAQI
14th Jul 2025745 PMAQI
14th Jul 2025706 PMAQI
14th Jul 2025707 PMAQI
14th Jul 2025758 PMAQI
14th Jul 2025759 PMAQI
14th Jul 20257710 PMAQI
14th Jul 20257611 PMAQI
15th Jul 20257612 AMAQI
15th Jul 2025671 AMAQI
15th Jul 2025642 AMAQI
15th Jul 2025653 AMAQI
15th Jul 2025654 AMAQI
30°C26/35°C
15th Jul 2025655 AMAQI
15th Jul 2025656 AMAQI
15th Jul 2025647 AMAQI
15th Jul 2025768 AMAQI
15th Jul 2025849 AMAQI
15th Jul 20258210 AMAQI
15th Jul 20258011 AMAQI
15th Jul 20257812 PMAQI
15th Jul 2025741 PMAQI
15th Jul 2025692 PMAQI
15th Jul 2025683 PMAQI
15th Jul 2025674 PMAQI
15th Jul 2025715 PMAQI
15th Jul 2025746 PMAQI
15th Jul 2025587 PMAQI
15th Jul 2025658 PMAQI
15th Jul 2025689 PMAQI
15th Jul 20256810 PMAQI
15th Jul 20256611 PMAQI
16th Jul 20256812 AMAQI
16th Jul 2025661 AMAQI
16th Jul 2025662 AMAQI
16th Jul 2025663 AMAQI
16th Jul 2025684 AMAQI
30°C25/35°C
16th Jul 2025675 AMAQI
16th Jul 2025676 AMAQI
16th Jul 2025687 AMAQI
16th Jul 2025808 AMAQI
16th Jul 2025809 AMAQI
16th Jul 20258410 AMAQI
16th Jul 20258011 AMAQI
16th Jul 20257812 PMAQI
16th Jul 2025761 PMAQI
16th Jul 2025692 PMAQI
16th Jul 2025723 PMAQI
16th Jul 2025704 PMAQI
16th Jul 2025715 PMAQI
16th Jul 2025736 PMAQI
16th Jul 2025707 PMAQI
16th Jul 2025708 PMAQI
16th Jul 2025689 PMAQI
16th Jul 20256810 PMAQI
16th Jul 20256811 PMAQI
17th Jul 20256612 AMAQI
17th Jul 2025661 AMAQI
17th Jul 2025662 AMAQI
17th Jul 2025673 AMAQI
17th Jul 2025694 AMAQI
31°C27/38°C
17th Jul 2025685 AMAQI
17th Jul 2025686 AMAQI
17th Jul 2025687 AMAQI
17th Jul 2025578 AMAQI
17th Jul 2025509 AMAQI
17th Jul 20255410 AMAQI
17th Jul 20255711 AMAQI
17th Jul 20256512 PMAQI
17th Jul 2025701 PMAQI
17th Jul 2025632 PMAQI
17th Jul 2025573 PMAQI
17th Jul 2025604 PMAQI
17th Jul 2025595 PMAQI
17th Jul 2025606 PMAQI
17th Jul 2025597 PMAQI
17th Jul 2025658 PMAQI
17th Jul 2025679 PMAQI
17th Jul 20256910 PMAQI
17th Jul 20256811 PMAQI
18th Jul 20256612 AMAQI
18th Jul 2025671 AMAQI
18th Jul 2025672 AMAQI
18th Jul 2025663 AMAQI
18th Jul 2025654 AMAQI
30°C27/34°C
18th Jul 2025655 AMAQI
18th Jul 2025646 AMAQI
18th Jul 2025647 AMAQI
18th Jul 2025948 AMAQI
18th Jul 2025989 AMAQI
18th Jul 20258610 AMAQI
18th Jul 20257711 AMAQI
18th Jul 20257712 PMAQI
18th Jul 2025721 PMAQI
18th Jul 2025702 PMAQI
18th Jul 2025683 PMAQI
18th Jul 2025624 PMAQI
18th Jul 2025595 PMAQI
18th Jul 2025566 PMAQI
18th Jul 2025607 PMAQI
18th Jul 2025628 PMAQI
18th Jul 2025669 PMAQI
18th Jul 20256610 PMAQI
18th Jul 20256611 PMAQI
19th Jul 20256612 AMAQI
19th Jul 2025651 AMAQI
19th Jul 2025652 AMAQI
19th Jul 2025663 AMAQI
19th Jul 2025684 AMAQI
29°C24/33°C
19th Jul 2025685 AMAQI
19th Jul 2025686 AMAQI
19th Jul 2025687 AMAQI
19th Jul 2025688 AMAQI
19th Jul 2025659 AMAQI
19th Jul 20257010 AMAQI
19th Jul 20257011 AMAQI
19th Jul 20257412 PMAQI
19th Jul 2025731 PMAQI
19th Jul 2025712 PMAQI
19th Jul 2025733 PMAQI
19th Jul 2025744 PMAQI
19th Jul 2025695 PMAQI
19th Jul 2025676 PMAQI
19th Jul 2025687 PMAQI
19th Jul 2025688 PMAQI
19th Jul 2025699 PMAQI
19th Jul 20256910 PMAQI
19th Jul 20256711 PMAQI
20th Jul 20256512 AMAQI
20th Jul 2025651 AMAQI
20th Jul 2025652 AMAQI
20th Jul 2025663 AMAQI
20th Jul 2025664 AMAQI
28°C24/33°C
20th Jul 2025665 AMAQI
20th Jul 2025666 AMAQI
20th Jul 2025667 AMAQI
20th Jul 2025488 AMAQI
20th Jul 2025389 AMAQI
20th Jul 20253010 AMAQI
20th Jul 20254211 AMAQI
20th Jul 20253912 PMAQI
20th Jul 2025401 PMAQI
20th Jul 2025422 PMAQI
20th Jul 2025443 PMAQI
20th Jul 2025414 PMAQI
20th Jul 2025425 PMAQI
20th Jul 2025426 PMAQI
20th Jul 2025507 PMAQI
20th Jul 2025578 PMAQI
20th Jul 2025619 PMAQI
20th Jul 20256110 PMAQI
20th Jul 20256011 PMAQI
21st Jul 20256012 AMAQI
21st Jul 2025641 AMAQI
21st Jul 2025642 AMAQI
21st Jul 2025623 AMAQI
21st Jul 2025604 AMAQI
30°C26/35°C
21st Jul 2025605 AMAQI
21st Jul 2025606 AMAQI
21st Jul 2025607 AMAQI
21st Jul 2025408 AMAQI
21st Jul 2025359 AMAQI
21st Jul 20254010 AMAQI
21st Jul 20253911 AMAQI
21st Jul 20253612 PMAQI
21st Jul 2025381 PMAQI
21st Jul 2025352 PMAQI
21st Jul 2025383 PMAQI
21st Jul 2025344 PMAQI
21st Jul 2025355 PMAQI
21st Jul 2025426 PMAQI
21st Jul 2025457 PMAQI
21st Jul 2025548 PMAQI
21st Jul 2025559 PMAQI
21st Jul 20255510 PMAQI
21st Jul 20255511 PMAQI
22nd Jul 20255912 AMAQI
22nd Jul 2025591 AMAQI
22nd Jul 2025612 AMAQI
22nd Jul 2025593 AMAQI
22nd Jul 2025584 AMAQI
30°C26/34°C
22nd Jul 2025575 AMAQI
22nd Jul 2025576 AMAQI
22nd Jul 2025577 AMAQI
22nd Jul 2025348 AMAQI
22nd Jul 2025289 AMAQI
22nd Jul 20252510 AMAQI
22nd Jul 20252711 AMAQI
22nd Jul 20253612 PMAQI
22nd Jul 2025381 PMAQI
22nd Jul 2025342 PMAQI
22nd Jul 2025333 PMAQI
22nd Jul 2025354 PMAQI
22nd Jul 2025385 PMAQI
22nd Jul 2025276 PMAQI
22nd Jul 2025317 PMAQI
22nd Jul 2025448 PMAQI
22nd Jul 2025529 PMAQI
22nd Jul 20255410 PMAQI
22nd Jul 20255711 PMAQI
23rd Jul 20255612 AMAQI
23rd Jul 2025571 AMAQI
23rd Jul 2025582 AMAQI
23rd Jul 2025563 AMAQI
23rd Jul 2025544 AMAQI
29°C26/33°C
23rd Jul 2025545 AMAQI
23rd Jul 2025546 AMAQI
23rd Jul 2025547 AMAQI
23rd Jul 2025548 AMAQI
23rd Jul 2025469 AMAQI
23rd Jul 20254510 AMAQI
23rd Jul 20255411 AMAQI
23rd Jul 20254312 PMAQI
23rd Jul 2025501 PMAQI
23rd Jul 2025522 PMAQI
23rd Jul 2025543 PMAQI
23rd Jul 2025494 PMAQI
23rd Jul 2025425 PMAQI
23rd Jul 2025526 PMAQI
23rd Jul 2025497 PMAQI
23rd Jul 2025568 PMAQI
23rd Jul 2025589 PMAQI
23rd Jul 20255610 PMAQI
23rd Jul 20255511 PMAQI
24th Jul 20255512 AMAQI
24th Jul 2025541 AMAQI
24th Jul 2025552 AMAQI
24th Jul 2025553 AMAQI
24th Jul 2025544 AMAQI
29°C26/34°C
24th Jul 2025545 AMAQI
24th Jul 2025546 AMAQI
24th Jul 2025547 AMAQI
24th Jul 2025518 AMAQI
24th Jul 2025489 AMAQI
24th Jul 20254410 AMAQI
24th Jul 20255311 AMAQI
24th Jul 20255412 PMAQI
24th Jul 2025541 PMAQI
24th Jul 2025512 PMAQI
24th Jul 2025493 PMAQI
24th Jul 2025524 PMAQI
24th Jul 2025405 PMAQI
24th Jul 2025426 PMAQI
24th Jul 2025487 PMAQI
24th Jul 2025548 PMAQI
24th Jul 2025549 PMAQI
24th Jul 20255610 PMAQI
24th Jul 20255611 PMAQI
25th Jul 20255412 AMAQI
25th Jul 2025541 AMAQI
25th Jul 2025542 AMAQI
25th Jul 2025543 AMAQI
25th Jul 2025534 AMAQI
30°C25/35°C
25th Jul 2025535 AMAQI
25th Jul 2025546 AMAQI
25th Jul 2025537 AMAQI
25th Jul 2025548 AMAQI
25th Jul 2025569 AMAQI
25th Jul 20255610 AMAQI
25th Jul 20256011 AMAQI
25th Jul 20256212 PMAQI
25th Jul 2025641 PMAQI
25th Jul 2025662 PMAQI
25th Jul 2025633 PMAQI
25th Jul 2025634 PMAQI
25th Jul 2025585 PMAQI
25th Jul 2025616 PMAQI
25th Jul 2025607 PMAQI
25th Jul 2025628 PMAQI
25th Jul 2025649 PMAQI
25th Jul 20256310 PMAQI
25th Jul 20256011 PMAQI
26th Jul 20255512 AMAQI
26th Jul 2025541 AMAQI
26th Jul 2025542 AMAQI
26th Jul 2025543 AMAQI
26th Jul 2025554 AMAQI
30°C25/35°C
26th Jul 2025555 AMAQI
26th Jul 2025556 AMAQI
26th Jul 2025557 AMAQI
26th Jul 2025548 AMAQI
26th Jul 2025559 AMAQI
26th Jul 20256110 AMAQI
26th Jul 20255011 AMAQI
26th Jul 20255212 PMAQI
26th Jul 2025511 PMAQI
26th Jul 2025502 PMAQI
26th Jul 2025493 PMAQI
26th Jul 2025444 PMAQI
26th Jul 2025445 PMAQI
26th Jul 2025446 PMAQI
26th Jul 2025497 PMAQI
26th Jul 2025538 PMAQI
26th Jul 2025549 PMAQI
26th Jul 20255310 PMAQI
26th Jul 20255211 PMAQI
27th Jul 20255412 AMAQI
27th Jul 2025541 AMAQI
27th Jul 2025552 AMAQI
27th Jul 2025543 AMAQI
27th Jul 2025544 AMAQI
29°C25/33°C
27th Jul 2025545 AMAQI
27th Jul 2025536 AMAQI
27th Jul 2025547 AMAQI
27th Jul 2025548 AMAQI
27th Jul 2025539 AMAQI
27th Jul 20255410 AMAQI
27th Jul 20256111 AMAQI
27th Jul 20256012 PMAQI
27th Jul 2025621 PMAQI
27th Jul 2025562 PMAQI
27th Jul 2025563 PMAQI
27th Jul 2025544 PMAQI
27th Jul 2025485 PMAQI
27th Jul 2025366 PMAQI
27th Jul 2025407 PMAQI
27th Jul 2025528 PMAQI
27th Jul 2025549 PMAQI
27th Jul 20255510 PMAQI
27th Jul 20255311 PMAQI
28th Jul 20255312 AMAQI
28th Jul 2025541 AMAQI
28th Jul 2025542 AMAQI
28th Jul 2025543 AMAQI
28th Jul 2025554 AMAQI
29°C25/33°C
28th Jul 2025555 AMAQI
28th Jul 2025556 AMAQI
28th Jul 2025547 AMAQI
28th Jul 2025528 AMAQI
28th Jul 2025549 AMAQI
28th Jul 20255310 AMAQI
28th Jul 20255211 AMAQI
28th Jul 20255412 PMAQI
28th Jul 2025501 PMAQI
28th Jul 2025522 PMAQI
28th Jul 2025423 PMAQI
28th Jul 2025474 PMAQI
28th Jul 2025475 PMAQI
28th Jul 2025406 PMAQI
28th Jul 2025407 PMAQI
28th Jul 2025488 PMAQI
28th Jul 2025489 PMAQI
28th Jul 20255610 PMAQI
28th Jul 20255411 PMAQI
29th Jul 20255312 AMAQI
29th Jul 2025541 AMAQI
29th Jul 2025542 AMAQI
29th Jul 2025543 AMAQI
29th Jul 2025534 AMAQI
28°C25/33°C
29th Jul 2025535 AMAQI
29th Jul 2025536 AMAQI
29th Jul 2025537 AMAQI
29th Jul 2025588 AMAQI
29th Jul 2025589 AMAQI
29th Jul 20255810 AMAQI
29th Jul 20255911 AMAQI
29th Jul 20256312 PMAQI
29th Jul 2025631 PMAQI
29th Jul 2025632 PMAQI
29th Jul 2025643 PMAQI
29th Jul 2025604 PMAQI
29th Jul 2025595 PMAQI
29th Jul 2025626 PMAQI
29th Jul 2025607 PMAQI
29th Jul 2025568 PMAQI
29th Jul 2025549 PMAQI
29th Jul 20256010 PMAQI
29th Jul 20256011 PMAQI
30th Jul 20255912 AMAQI
30th Jul 2025541 AMAQI
30th Jul 2025542 AMAQI
30th Jul 2025543 AMAQI
30th Jul 2025544 AMAQI
29°C25/34°C
30th Jul 2025555 AMAQI
30th Jul 2025556 AMAQI
30th Jul 2025557 AMAQI
30th Jul 2025538 AMAQI
30th Jul 2025539 AMAQI
30th Jul 20255010 AMAQI
30th Jul 20253711 AMAQI
30th Jul 20253812 PMAQI
30th Jul 2025371 PMAQI
30th Jul 2025342 PMAQI
30th Jul 2025383 PMAQI
30th Jul 2025404 PMAQI
30th Jul 2025495 PMAQI
30th Jul 2025416 PMAQI
30th Jul 2025437 PMAQI
30th Jul 2025478 PMAQI
30th Jul 2025529 PMAQI
30th Jul 20255210 PMAQI
30th Jul 20255211 PMAQI
31st Jul 20255212 AMAQI
31st Jul 2025551 AMAQI
31st Jul 2025552 AMAQI
31st Jul 2025543 AMAQI
31st Jul 2025544 AMAQI
27°C23/32°C
31st Jul 2025545 AMAQI
31st Jul 2025546 AMAQI
31st Jul 2025547 AMAQI
31st Jul 2025548 AMAQI
31st Jul 2025549 AMAQI
31st Jul 20255610 AMAQI
31st Jul 20255611 AMAQI
31st Jul 20256012 PMAQI
31st Jul 2025601 PMAQI
31st Jul 2025572 PMAQI
31st Jul 2025613 PMAQI
31st Jul 2025704 PMAQI
31st Jul 2025625 PMAQI
31st Jul 2025536 PMAQI
31st Jul 2025547 PMAQI
31st Jul 2025548 PMAQI
31st Jul 2025529 PMAQI
31st Jul 20255610 PMAQI
31st Jul 20255611 PMAQI
1st Aug 20255812 AMAQI
1st Aug 2025541 AMAQI
1st Aug 2025542 AMAQI
1st Aug 2025543 AMAQI
1st Aug 2025534 AMAQI
24°C22/27°C
1st Aug 2025545 AMAQI
1st Aug 2025536 AMAQI
1st Aug 2025537 AMAQI
1st Aug 2025638 AMAQI
1st Aug 2025639 AMAQI
1st Aug 20256210 AMAQI
1st Aug 20256211 AMAQI
1st Aug 20255912 PMAQI
1st Aug 2025591 PMAQI
1st Aug 2025542 PMAQI
1st Aug 2025463 PMAQI
1st Aug 2025464 PMAQI
1st Aug 2025485 PMAQI
1st Aug 2025466 PMAQI
1st Aug 2025447 PMAQI
1st Aug 2025508 PMAQI
1st Aug 2025509 PMAQI
1st Aug 20255110 PMAQI
1st Aug 20255211 PMAQI
2nd Aug 20254912 AMAQI
2nd Aug 2025541 AMAQI
2nd Aug 2025542 AMAQI
2nd Aug 2025543 AMAQI
2nd Aug 2025544 AMAQI
25°C24/27°C
2nd Aug 2025555 AMAQI
2nd Aug 2025556 AMAQI
2nd Aug 2025547 AMAQI
2nd Aug 2025588 AMAQI
2nd Aug 2025509 AMAQI
2nd Aug 20255610 AMAQI
2nd Aug 20254711 AMAQI
2nd Aug 20255012 PMAQI
2nd Aug 2025501 PMAQI
2nd Aug 2025502 PMAQI
2nd Aug 2025493 PMAQI
2nd Aug 2025484 PMAQI
2nd Aug 2025445 PMAQI
2nd Aug 2025556 PMAQI
2nd Aug 2025547 PMAQI
2nd Aug 2025548 PMAQI
2nd Aug 2025569 PMAQI
2nd Aug 20255710 PMAQI
2nd Aug 20255611 PMAQI
3rd Aug 20255512 AMAQI
3rd Aug 2025541 AMAQI
3rd Aug 2025542 AMAQI
3rd Aug 2025533 AMAQI
3rd Aug 2025534 AMAQI
28°C24/32°C
3rd Aug 2025535 AMAQI
3rd Aug 2025536 AMAQI
3rd Aug 2025537 AMAQI
3rd Aug 2025588 AMAQI
3rd Aug 2025649 AMAQI
3rd Aug 20256210 AMAQI
3rd Aug 20256211 AMAQI
3rd Aug 20256212 PMAQI
3rd Aug 2025541 PMAQI
3rd Aug 2025582 PMAQI
3rd Aug 2025543 PMAQI
3rd Aug 2025524 PMAQI
3rd Aug 2025585 PMAQI
3rd Aug 2025636 PMAQI
3rd Aug 2025567 PMAQI
3rd Aug 2025588 PMAQI
3rd Aug 2025579 PMAQI
3rd Aug 20255810 PMAQI
3rd Aug 20255611 PMAQI
4th Aug 20255612 AMAQI
4th Aug 2025541 AMAQI
4th Aug 2025542 AMAQI
4th Aug 2025543 AMAQI
4th Aug 2025544 AMAQI
30°C26/34°C
4th Aug 2025545 AMAQI
4th Aug 2025546 AMAQI
4th Aug 2025547 AMAQI
4th Aug 2025668 AMAQI
4th Aug 2025689 AMAQI
4th Aug 20256810 AMAQI
4th Aug 20256511 AMAQI
4th Aug 20256912 PMAQI
4th Aug 2025621 PMAQI
4th Aug 2025612 PMAQI
4th Aug 2025583 PMAQI
4th Aug 2025584 PMAQI
4th Aug 2025575 PMAQI
4th Aug 2025606 PMAQI
4th Aug 2025587 PMAQI
4th Aug 2025598 PMAQI
4th Aug 2025589 PMAQI
4th Aug 20255910 PMAQI
4th Aug 20255811 PMAQI
5th Aug 20255712 AMAQI
5th Aug 2025551 AMAQI
5th Aug 2025552 AMAQI
5th Aug 2025573 AMAQI
5th Aug 2025584 AMAQI
31°C27/35°C
5th Aug 2025585 AMAQI
5th Aug 2025586 AMAQI
5th Aug 2025577 AMAQI
5th Aug 2025758 AMAQI
5th Aug 2025819 AMAQI
5th Aug 20259410 AMAQI
5th Aug 20258311 AMAQI
5th Aug 20257812 PMAQI
5th Aug 2025751 PMAQI
5th Aug 2025702 PMAQI
5th Aug 2025703 PMAQI
5th Aug 2025664 PMAQI
5th Aug 2025665 PMAQI
5th Aug 2025626 PMAQI
5th Aug 2025627 PMAQI
5th Aug 2025658 PMAQI
5th Aug 2025639 PMAQI
5th Aug 20256610 PMAQI
5th Aug 20256811 PMAQI
6th Aug 20256212 AMAQI
6th Aug 2025571 AMAQI
6th Aug 2025572 AMAQI
6th Aug 2025583 AMAQI
6th Aug 2025604 AMAQI
31°C27/35°C
6th Aug 2025605 AMAQI
6th Aug 2025616 AMAQI
6th Aug 2025607 AMAQI
6th Aug 2025648 AMAQI
6th Aug 2025659 AMAQI
6th Aug 20257010 AMAQI
6th Aug 20256011 AMAQI
6th Aug 20255812 PMAQI
6th Aug 2025551 PMAQI
6th Aug 2025542 PMAQI
6th Aug 2025593 PMAQI
6th Aug 2025514 PMAQI
6th Aug 2025515 PMAQI
6th Aug 2025546 PMAQI
6th Aug 2025517 PMAQI
6th Aug 2025538 PMAQI
6th Aug 2025559 PMAQI
6th Aug 20255410 PMAQI
6th Aug 20255611 PMAQI
7th Aug 20256112 AMAQI
7th Aug 2025611 AMAQI
7th Aug 2025602 AMAQI
7th Aug 2025603 AMAQI
7th Aug 2025624 AMAQI
31°C28/36°C
7th Aug 2025615 AMAQI
7th Aug 2025596 AMAQI
7th Aug 2025617 AMAQI
7th Aug 2025508 AMAQI
7th Aug 2025389 AMAQI
7th Aug 20255110 AMAQI
7th Aug 20255511 AMAQI
7th Aug 20255212 PMAQI
7th Aug 2025481 PMAQI
7th Aug 2025502 PMAQI
7th Aug 2025513 PMAQI
7th Aug 2025474 PMAQI
7th Aug 2025435 PMAQI
7th Aug 2025546 PMAQI
7th Aug 2025567 PMAQI
7th Aug 2025588 PMAQI
7th Aug 2025559 PMAQI
7th Aug 20255610 PMAQI
7th Aug 20255511 PMAQI
8th Aug 20255612 AMAQI
8th Aug 2025601 AMAQI
8th Aug 2025602 AMAQI
8th Aug 2025593 AMAQI
8th Aug 2025584 AMAQI
30°C27/34°C
8th Aug 2025585 AMAQI
5 AM8th Aug 2025586 AMAQI
8th Aug 2025597 AMAQI
8th Aug 2025548 AMAQI
8th Aug 2025569 AMAQI
8th Aug 20255710 AMAQI
8th Aug 20255211 AMAQI
12 PM
7 PM
12 AM
4 AM
--°C/°C
Day time
Avg. Highest Time
5 AM - 7 PM
59AQI
15 hours / Day
450 hours / Month
Avg. Lowest Time
5 AM - 7 PM
59AQI
15 hours / Day
450 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 5 AM to 7 PM (Avg. 59), while the lowest AQI was between 5 AM to 7 PM (Avg. 59).
Night time
Avg. Highest Time
12 AM - 11 PM
59AQI
9 hours / Day
270 hours / Month
Avg. Lowest Time
12 AM - 11 PM
59AQI
9 hours / Day
270 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 11 PM (Avg. 59), while the lowest AQI was between 12 AM to 11 PM (Avg. 59).
2025 Days Vs Air Quality
Lake District, Hefei, Anhui, China
2025
5%
11
53%
116
37%
80
5%
11
0.4%
1
Total number of days with different AQI categories in last 220 days in 2025 (145 days remaining)
Good
11 DaysModerate
116 DaysPoor
80 DaysUnhealthy
11 DaysSevere
0 DaysHazardous
1 DaysUnder WHO’s Safe Air Quality Limits: 5%
Health Risk Level:
Extreme
In 2025, 5% of 220 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
Lake District, Hefei, Anhui, 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.
1st January 2025
139AQI
139AQI
2nd January 2025
177AQI
177AQI
3rd January 2025
174AQI
174AQI
4th January 2025
171AQI
171AQI
5th January 2025
125AQI
125AQI
6th January 2025
133AQI
133AQI
7th January 2025
99AQI
99AQI
8th January 2025
116AQI
116AQI
9th January 2025
77AQI
77AQI
10th January 2025
98AQI
98AQI
11th January 2025
99AQI
99AQI
12th January 2025
113AQI
113AQI
13th January 2025
135AQI
135AQI
14th January 2025
148AQI
148AQI
15th January 2025
89AQI
89AQI
16th January 2025
110AQI
110AQI
17th January 2025
108AQI
108AQI
18th January 2025
134AQI
134AQI
19th January 2025
148AQI
148AQI
20th January 2025
165AQI
165AQI
21st January 2025
161AQI
161AQI
22nd January 2025
177AQI
177AQI
23rd January 2025
166AQI
166AQI
24th January 2025
127AQI
127AQI
25th January 2025
90AQI
90AQI
26th January 2025
114AQI
114AQI
27th January 2025
61AQI
61AQI
28th January 2025
92AQI
92AQI
29th January 2025
136AQI
136AQI
30th January 2025
113AQI
113AQI
31st January 2025
155AQI
155AQI
1st February 2025
105AQI
105AQI
2nd February 2025
120AQI
120AQI
3rd February 2025
148AQI
148AQI
4th February 2025
102AQI
102AQI
5th February 2025
107AQI
107AQI
6th February 2025
80AQI
80AQI
7th February 2025
91AQI
91AQI
8th February 2025
60AQI
60AQI
9th February 2025
74AQI
74AQI
10th February 2025
81AQI
81AQI
11th February 2025
106AQI
106AQI
12th February 2025
140AQI
140AQI
13th February 2025
94AQI
94AQI
14th February 2025
149AQI
149AQI
15th February 2025
99AQI
99AQI
16th February 2025
123AQI
123AQI
17th February 2025
105AQI
105AQI
18th February 2025
99AQI
99AQI
19th February 2025
116AQI
116AQI
20th February 2025
122AQI
122AQI
21st February 2025
110AQI
110AQI
22nd February 2025
131AQI
131AQI
23rd February 2025
145AQI
145AQI
24th February 2025
126AQI
126AQI
25th February 2025
151AQI
151AQI
26th February 2025
155AQI
155AQI
27th February 2025
134AQI
134AQI
28th February 2025
124AQI
124AQI
1st March 2025
104AQI
104AQI
2nd March 2025
89AQI
89AQI
3rd March 2025
70AQI
70AQI
4th March 2025
116AQI
116AQI
5th March 2025
123AQI
123AQI
6th March 2025
117AQI
117AQI
7th March 2025
121AQI
121AQI
8th March 2025
137AQI
137AQI
9th March 2025
146AQI
146AQI
10th March 2025
146AQI
146AQI
11th March 2025
127AQI
127AQI
12th March 2025
166AQI
166AQI
13th March 2025
122AQI
122AQI
14th March 2025
102AQI
102AQI
15th March 2025
93AQI
93AQI
16th March 2025
90AQI
90AQI
17th March 2025
75AQI
75AQI
18th March 2025
81AQI
81AQI
19th March 2025
80AQI
80AQI
20th March 2025
80AQI
80AQI
21st March 2025
78AQI
78AQI
22nd March 2025
85AQI
85AQI
23rd March 2025
92AQI
92AQI
24th March 2025
109AQI
109AQI
25th March 2025
97AQI
97AQI
26th March 2025
125AQI
125AQI
27th March 2025
118AQI
118AQI
28th March 2025
102AQI
102AQI
29th March 2025
125AQI
125AQI
30th March 2025
118AQI
118AQI
31st March 2025
94AQI
94AQI
1st April 2025
96AQI
96AQI
2nd April 2025
106AQI
106AQI
3rd April 2025
86AQI
86AQI
4th April 2025
118AQI
118AQI
5th April 2025
110AQI
110AQI
6th April 2025
106AQI
106AQI
7th April 2025
104AQI
104AQI
8th April 2025
107AQI
107AQI
9th April 2025
115AQI
115AQI
10th April 2025
113AQI
113AQI
11th April 2025
102AQI
102AQI
12th April 2025
357AQI
357AQI
13th April 2025
102AQI
102AQI
14th April 2025
110AQI
110AQI
15th April 2025
80AQI
80AQI
16th April 2025
87AQI
87AQI
17th April 2025
99AQI
99AQI
18th April 2025
103AQI
103AQI
19th April 2025
120AQI
120AQI
20th April 2025
101AQI
101AQI
21st April 2025
101AQI
101AQI
22nd April 2025
121AQI
121AQI
23rd April 2025
104AQI
104AQI
24th April 2025
107AQI
107AQI
25th April 2025
82AQI
82AQI
26th April 2025
81AQI
81AQI
27th April 2025
77AQI
77AQI
28th April 2025
116AQI
116AQI
29th April 2025
91AQI
91AQI
30th April 2025
87AQI
87AQI
1st May 2025
82AQI
82AQI
2nd May 2025
82AQI
82AQI
3rd May 2025
86AQI
86AQI
4th May 2025
76AQI
76AQI
5th May 2025
87AQI
87AQI
6th May 2025
120AQI
120AQI
7th May 2025
124AQI
124AQI
8th May 2025
91AQI
91AQI
9th May 2025
80AQI
80AQI
10th May 2025
62AQI
62AQI
11th May 2025
76AQI
76AQI
12th May 2025
81AQI
81AQI
13th May 2025
83AQI
83AQI
14th May 2025
89AQI
89AQI
15th May 2025
114AQI
114AQI
16th May 2025
84AQI
84AQI
17th May 2025
119AQI
119AQI
18th May 2025
94AQI
94AQI
19th May 2025
113AQI
113AQI
20th May 2025
89AQI
89AQI
21st May 2025
75AQI
75AQI
22nd May 2025
85AQI
85AQI
23rd May 2025
110AQI
110AQI
24th May 2025
117AQI
117AQI
25th May 2025
112AQI
112AQI
26th May 2025
119AQI
119AQI
27th May 2025
121AQI
121AQI
28th May 2025
119AQI
119AQI
29th May 2025
98AQI
98AQI
30th May 2025
89AQI
89AQI
31st May 2025
89AQI
89AQI
1st June 2025
63AQI
63AQI
2nd June 2025
60AQI
60AQI
3rd June 2025
74AQI
74AQI
4th June 2025
88AQI
88AQI
5th June 2025
81AQI
81AQI
6th June 2025
76AQI
76AQI
7th June 2025
56AQI
56AQI
8th June 2025
58AQI
58AQI
9th June 2025
66AQI
66AQI
10th June 2025
67AQI
67AQI
11th June 2025
83AQI
83AQI
12th June 2025
83AQI
83AQI
13th June 2025
84AQI
84AQI
14th June 2025
68AQI
68AQI
15th June 2025
50AQI
50AQI
16th June 2025
60AQI
60AQI
17th June 2025
61AQI
61AQI
18th June 2025
50AQI
50AQI
19th June 2025
45AQI
45AQI
20th June 2025
50AQI
50AQI
21st June 2025
41AQI
41AQI
22nd June 2025
34AQI
34AQI
23rd June 2025
54AQI
54AQI
24th June 2025
62AQI
62AQI
25th June 2025
62AQI
62AQI
26th June 2025
63AQI
63AQI
27th June 2025
52AQI
52AQI
28th June 2025
48AQI
48AQI
29th June 2025
47AQI
47AQI
30th June 2025
55AQI
55AQI
1st July 2025
52AQI
52AQI
2nd July 2025
56AQI
56AQI
3rd July 2025
61AQI
61AQI
4th July 2025
62AQI
62AQI
5th July 2025
65AQI
65AQI
6th July 2025
69AQI
69AQI
7th July 2025
70AQI
70AQI
8th July 2025
55AQI
55AQI
9th July 2025
56AQI
56AQI
10th July 2025
73AQI
73AQI
11th July 2025
71AQI
71AQI
12th July 2025
66AQI
66AQI
13th July 2025
66AQI
66AQI
14th July 2025
69AQI
69AQI
15th July 2025
69AQI
69AQI
16th July 2025
71AQI
71AQI
17th July 2025
64AQI
64AQI
18th July 2025
68AQI
68AQI
19th July 2025
68AQI
68AQI
20th July 2025
54AQI
54AQI
21st July 2025
50AQI
50AQI
22nd July 2025
45AQI
45AQI
23rd July 2025
53AQI
53AQI
24th July 2025
52AQI
52AQI
25th July 2025
58AQI
58AQI
26th July 2025
52AQI
52AQI
27th July 2025
53AQI
53AQI
28th July 2025
51AQI
51AQI
29th July 2025
57AQI
57AQI
30th July 2025
49AQI
49AQI
31st July 2025
56AQI
56AQI
1st August 2025
53AQI
53AQI
2nd August 2025
53AQI
53AQI
3rd August 2025
57AQI
57AQI
4th August 2025
59AQI
59AQI
5th August 2025
65AQI
65AQI
6th August 2025
58AQI
58AQI
7th August 2025
61AQI
61AQI
127AQI
114AQI
107AQI
110AQI
96AQI
61AQI
60AQI
58AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202595AQI
8
15
8
8
18
2
13
17
1
10
19
1
20
11
8
22
3
28
7
11
116
80
11
1
Highest AQI recorded in
January127AQI
Lowest AQI recorded in
August58AQI
202489AQI
2
6
11
11
1
3
10
11
4
1
12
15
4
18
12
23
8
9
20
1
25
6
5
26
9
21
8
15
7
1
3
17
9
1
2
26
3
64
176
100
24
2
Highest AQI recorded in
January134AQI
Lowest AQI recorded in
July43AQI
202391AQI
8
16
7
1
11
14
2
1
13
15
2
1
16
11
1
1
3
20
7
1
10
19
1
17
14
1
30
6
20
4
5
15
9
2
1
12
12
1
2
9
13
4
3
48
187
102
20
4
Highest AQI recorded in
January124AQI
Lowest AQI recorded in
July50AQI
202292AQI
1
5
10
15
7
11
3
5
13
12
1
27
2
1
1
22
8
9
20
1
7
14
1
6
21
2
5
23
3
1
15
12
2
1
8
13
8
1
36
176
74
30
1
Highest AQI recorded in
January137AQI
Lowest AQI recorded in
August53AQI
202190AQI
6
13
11
1
1
13
11
3
14
16
1
1
19
9
1
3
20
8
3
26
1
17
14
7
19
3
5
25
6
15
10
1
15
11
3
9
14
8
44
195
96
27
1
Highest AQI recorded in
January134AQI
Lowest AQI recorded in
July48AQI
202086AQI
2
9
2
15
6
14
4
12
17
1
8
20
2
1
18
13
27
3
1
18
11
1
14
15
1
5
9
17
41
152
53
20
Highest AQI recorded in
December144AQI
Lowest AQI recorded in
August51AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2025(Avg.)
95AQILeast Polluted Year Recorded
2020(Avg.)
86AQILake District's annual 2025 AQI (95) shows an average percentage change of 6.5% (worsened AQI) compared to previous years: 2020 (86), 2021 (90), 2022 (92), 2023 (91), 2024 (89).
