Economic Development Zone Epa, Changsha, Hunan, 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
Economic Development Zone Epa, Changsha, Hunan, China
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
3rd Aug 2021
101AQILowest AQI recorded on
28th Aug 2023
28AQISame Day Analysis (2nd August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 66 of Moderate air quality, showing improvement over 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 3rd Aug - 4th Aug 2025
Economic Development Zone Epa, Changsha, Hunan, China
AQI
Day
Night
.
5 AM3rd Aug 2025
7 PM
4 AM4th Aug 2025
Day time
Avg. Highest Time
12AMNaNth undefined
AQI
Avg. Lowest Time
12AMNaNth undefined
AQI
Night time
Avg. Highest Time
10PM3rd Aug
69AQI
Avg. Lowest Time
5PM3rd Aug
60AQI
In the last 24 hours,
Economic Development Zone Epa's AQI reached its highest point of 69 at 10 PM during the Night, while the lowest point, undefined, was recorded at 4 AM during the Night between 3rd Aug and 4th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Economic Development Zone Epa, Changsha, Hunan, China
JulAug
05th - 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 - 31st31st - 01st01st - 02nd02nd - 03rd03rd - 04th04th
Day
Night
5th Jul 2025525 AMAQI
5th Jul 2025526 AMAQI
5th Jul 2025527 AMAQI
5th Jul 2025658 AMAQI
5th Jul 2025719 AMAQI
5th Jul 20258210 AMAQI
5th Jul 20258811 AMAQI
5th Jul 20258612 PMAQI
5th Jul 2025771 PMAQI
5th Jul 2025792 PMAQI
5th Jul 2025763 PMAQI
5th Jul 2025784 PMAQI
5th Jul 2025765 PMAQI
5th Jul 2025746 PMAQI
5th Jul 2025677 PMAQI
5th Jul 2025648 PMAQI
5th Jul 2025639 PMAQI
5th Jul 20256410 PMAQI
5th Jul 20256411 PMAQI
6th Jul 20256612 AMAQI
6th Jul 2025521 AMAQI
6th Jul 2025522 AMAQI
6th Jul 2025533 AMAQI
6th Jul 2025564 AMAQI
32°C27/38°C
6th Jul 2025565 AMAQI
6th Jul 2025566 AMAQI
6th Jul 2025567 AMAQI
6th Jul 2025628 AMAQI
6th Jul 2025709 AMAQI
6th Jul 20257010 AMAQI
6th Jul 20257211 AMAQI
6th Jul 20256712 PMAQI
6th Jul 2025721 PMAQI
6th Jul 2025742 PMAQI
6th Jul 2025763 PMAQI
6th Jul 2025804 PMAQI
6th Jul 2025815 PMAQI
6th Jul 2025696 PMAQI
6th Jul 2025687 PMAQI
6th Jul 2025608 PMAQI
6th Jul 2025619 PMAQI
6th Jul 20256210 PMAQI
6th Jul 20256911 PMAQI
7th Jul 20256612 AMAQI
7th Jul 2025561 AMAQI
7th Jul 2025562 AMAQI
7th Jul 2025573 AMAQI
7th Jul 2025604 AMAQI
32°C27/38°C
7th Jul 2025595 AMAQI
7th Jul 2025606 AMAQI
7th Jul 2025607 AMAQI
7th Jul 2025758 AMAQI
7th Jul 2025749 AMAQI
7th Jul 20258310 AMAQI
7th Jul 20258811 AMAQI
7th Jul 20258112 PMAQI
7th Jul 2025901 PMAQI
7th Jul 2025752 PMAQI
7th Jul 2025873 PMAQI
7th Jul 2025804 PMAQI
7th Jul 2025745 PMAQI
7th Jul 2025746 PMAQI
7th Jul 2025717 PMAQI
7th Jul 2025718 PMAQI
7th Jul 2025729 PMAQI
7th Jul 20256910 PMAQI
7th Jul 20256411 PMAQI
8th Jul 20256212 AMAQI
8th Jul 2025591 AMAQI
8th Jul 2025602 AMAQI
8th Jul 2025603 AMAQI
8th Jul 2025644 AMAQI
31°C26/37°C
8th Jul 2025635 AMAQI
8th Jul 2025636 AMAQI
8th Jul 2025637 AMAQI
8th Jul 2025808 AMAQI
8th Jul 2025909 AMAQI
8th Jul 20259810 AMAQI
8th Jul 20259711 AMAQI
8th Jul 20259212 PMAQI
8th Jul 2025901 PMAQI
8th Jul 2025882 PMAQI
8th Jul 2025903 PMAQI
8th Jul 2025934 PMAQI
8th Jul 2025905 PMAQI
8th Jul 2025766 PMAQI
8th Jul 2025687 PMAQI
8th Jul 2025688 PMAQI
8th Jul 2025749 PMAQI
8th Jul 20257510 PMAQI
8th Jul 20256611 PMAQI
9th Jul 20256412 AMAQI
9th Jul 2025621 AMAQI
9th Jul 2025622 AMAQI
9th Jul 2025633 AMAQI
9th Jul 2025664 AMAQI
32°C28/38°C
9th Jul 2025665 AMAQI
9th Jul 2025676 AMAQI
9th Jul 2025667 AMAQI
9th Jul 2025728 AMAQI
9th Jul 2025749 AMAQI
9th Jul 20257510 AMAQI
9th Jul 20257411 AMAQI
9th Jul 20257312 PMAQI
9th Jul 2025741 PMAQI
9th Jul 2025762 PMAQI
9th Jul 2025723 PMAQI
9th Jul 2025694 PMAQI
9th Jul 2025405 PMAQI
9th Jul 2025366 PMAQI
9th Jul 2025427 PMAQI
9th Jul 2025568 PMAQI
9th Jul 2025569 PMAQI
9th Jul 20255610 PMAQI
9th Jul 20255511 PMAQI
10th Jul 20255812 AMAQI
10th Jul 2025641 AMAQI
10th Jul 2025642 AMAQI
10th Jul 2025653 AMAQI
10th Jul 2025664 AMAQI
30°C26/36°C
10th Jul 2025665 AMAQI
10th Jul 2025666 AMAQI
10th Jul 2025667 AMAQI
10th Jul 2025428 AMAQI
10th Jul 2025299 AMAQI
10th Jul 20253210 AMAQI
10th Jul 20253611 AMAQI
10th Jul 20254312 PMAQI
10th Jul 2025461 PMAQI
10th Jul 2025522 PMAQI
10th Jul 2025423 PMAQI
10th Jul 2025364 PMAQI
10th Jul 2025385 PMAQI
10th Jul 2025416 PMAQI
10th Jul 2025407 PMAQI
10th Jul 2025568 PMAQI
10th Jul 2025579 PMAQI
10th Jul 20255810 PMAQI
10th Jul 20255711 PMAQI
11th Jul 20255612 AMAQI
11th Jul 2025631 AMAQI
11th Jul 2025632 AMAQI
11th Jul 2025633 AMAQI
11th Jul 2025604 AMAQI
30°C26/36°C
11th Jul 2025605 AMAQI
11th Jul 2025606 AMAQI
11th Jul 2025607 AMAQI
11th Jul 2025618 AMAQI
11th Jul 2025729 AMAQI
11th Jul 20256810 AMAQI
11th Jul 20256611 AMAQI
11th Jul 20256412 PMAQI
11th Jul 2025731 PMAQI
11th Jul 2025752 PMAQI
11th Jul 2025763 PMAQI
11th Jul 2025734 PMAQI
11th Jul 2025665 PMAQI
11th Jul 2025576 PMAQI
11th Jul 2025567 PMAQI
11th Jul 2025618 PMAQI
11th Jul 2025639 PMAQI
11th Jul 20256510 PMAQI
11th Jul 20256411 PMAQI
12th Jul 20257012 AMAQI
12th Jul 2025621 AMAQI
12th Jul 2025602 AMAQI
12th Jul 2025613 AMAQI
12th Jul 2025624 AMAQI
30°C25/35°C
12th Jul 2025625 AMAQI
12th Jul 2025626 AMAQI
12th Jul 2025627 AMAQI
12th Jul 2025588 AMAQI
12th Jul 2025599 AMAQI
12th Jul 20255810 AMAQI
12th Jul 20255711 AMAQI
12th Jul 20256112 PMAQI
12th Jul 2025631 PMAQI
12th Jul 2025642 PMAQI
12th Jul 2025643 PMAQI
12th Jul 2025634 PMAQI
12th Jul 2025635 PMAQI
12th Jul 2025646 PMAQI
12th Jul 2025457 PMAQI
12th Jul 2025558 PMAQI
12th Jul 2025559 PMAQI
12th Jul 20255610 PMAQI
12th Jul 20255511 PMAQI
13th Jul 20255512 AMAQI
13th Jul 2025621 AMAQI
13th Jul 2025622 AMAQI
13th Jul 2025623 AMAQI
13th Jul 2025624 AMAQI
29°C25/33°C
13th Jul 2025625 AMAQI
13th Jul 2025626 AMAQI
13th Jul 2025627 AMAQI
13th Jul 2025608 AMAQI
13th Jul 2025589 AMAQI
13th Jul 20256510 AMAQI
13th Jul 20256111 AMAQI
13th Jul 20255712 PMAQI
13th Jul 2025581 PMAQI
13th Jul 2025642 PMAQI
13th Jul 2025613 PMAQI
13th Jul 2025564 PMAQI
13th Jul 2025505 PMAQI
13th Jul 2025466 PMAQI
13th Jul 2025557 PMAQI
13th Jul 2025588 PMAQI
13th Jul 2025579 PMAQI
13th Jul 20255910 PMAQI
13th Jul 20256011 PMAQI
14th Jul 20255712 AMAQI
14th Jul 2025611 AMAQI
14th Jul 2025602 AMAQI
14th Jul 2025603 AMAQI
14th Jul 2025604 AMAQI
29°C25/33°C
14th Jul 2025615 AMAQI
14th Jul 2025616 AMAQI
14th Jul 2025617 AMAQI
14th Jul 2025428 AMAQI
14th Jul 2025379 AMAQI
14th Jul 20254910 AMAQI
14th Jul 20256211 AMAQI
14th Jul 20256412 PMAQI
14th Jul 2025621 PMAQI
14th Jul 2025632 PMAQI
14th Jul 2025693 PMAQI
14th Jul 2025644 PMAQI
14th Jul 2025705 PMAQI
14th Jul 2025656 PMAQI
14th Jul 2025647 PMAQI
14th Jul 2025648 PMAQI
14th Jul 2025649 PMAQI
14th Jul 20256310 PMAQI
14th Jul 20256411 PMAQI
15th Jul 20256512 AMAQI
15th Jul 2025621 AMAQI
15th Jul 2025602 AMAQI
15th Jul 2025603 AMAQI
15th Jul 2025594 AMAQI
30°C25/36°C
15th Jul 2025595 AMAQI
15th Jul 2025596 AMAQI
15th Jul 2025607 AMAQI
15th Jul 2025728 AMAQI
15th Jul 2025749 AMAQI
15th Jul 20256310 AMAQI
15th Jul 20256111 AMAQI
15th Jul 20256112 PMAQI
15th Jul 2025631 PMAQI
15th Jul 2025652 PMAQI
15th Jul 2025663 PMAQI
15th Jul 2025624 PMAQI
15th Jul 2025585 PMAQI
15th Jul 2025576 PMAQI
15th Jul 2025587 PMAQI
15th Jul 2025608 PMAQI
15th Jul 2025609 PMAQI
15th Jul 20255810 PMAQI
15th Jul 20255711 PMAQI
16th Jul 20256012 AMAQI
16th Jul 2025601 AMAQI
16th Jul 2025602 AMAQI
16th Jul 2025603 AMAQI
16th Jul 2025614 AMAQI
31°C27/37°C
16th Jul 2025615 AMAQI
16th Jul 2025616 AMAQI
16th Jul 2025607 AMAQI
16th Jul 2025548 AMAQI
16th Jul 2025559 AMAQI
16th Jul 20255510 AMAQI
16th Jul 20255811 AMAQI
16th Jul 20256012 PMAQI
16th Jul 2025601 PMAQI
16th Jul 2025602 PMAQI
16th Jul 2025613 PMAQI
16th Jul 2025654 PMAQI
16th Jul 2025685 PMAQI
16th Jul 2025636 PMAQI
16th Jul 2025657 PMAQI
16th Jul 2025628 PMAQI
16th Jul 2025599 PMAQI
16th Jul 20256010 PMAQI
16th Jul 20256111 PMAQI
17th Jul 20256112 AMAQI
17th Jul 2025601 AMAQI
17th Jul 2025612 AMAQI
17th Jul 2025603 AMAQI
17th Jul 2025604 AMAQI
32°C28/38°C
17th Jul 2025595 AMAQI
17th Jul 2025606 AMAQI
17th Jul 2025607 AMAQI
17th Jul 2025578 AMAQI
17th Jul 2025579 AMAQI
17th Jul 20255810 AMAQI
17th Jul 20256711 AMAQI
17th Jul 20256912 PMAQI
17th Jul 2025741 PMAQI
17th Jul 2025712 PMAQI
17th Jul 2025713 PMAQI
17th Jul 2025744 PMAQI
17th Jul 2025725 PMAQI
17th Jul 2025756 PMAQI
17th Jul 2025707 PMAQI
17th Jul 2025668 PMAQI
17th Jul 2025669 PMAQI
17th Jul 20256910 PMAQI
17th Jul 20256911 PMAQI
18th Jul 20257012 AMAQI
18th Jul 2025601 AMAQI
18th Jul 2025602 AMAQI
18th Jul 2025603 AMAQI
18th Jul 2025614 AMAQI
31°C29/35°C
18th Jul 2025615 AMAQI
18th Jul 2025616 AMAQI
18th Jul 2025617 AMAQI
18th Jul 2025948 AMAQI
18th Jul 2025989 AMAQI
18th Jul 20258210 AMAQI
18th Jul 20257611 AMAQI
18th Jul 20255612 PMAQI
18th Jul 2025521 PMAQI
18th Jul 2025662 PMAQI
18th Jul 2025803 PMAQI
18th Jul 2025714 PMAQI
18th Jul 2025705 PMAQI
18th Jul 2025666 PMAQI
18th Jul 2025587 PMAQI
18th Jul 2025598 PMAQI
18th Jul 2025609 PMAQI
18th Jul 20256110 PMAQI
18th Jul 20256111 PMAQI
19th Jul 20255912 AMAQI
19th Jul 2025621 AMAQI
19th Jul 2025622 AMAQI
19th Jul 2025623 AMAQI
19th Jul 2025644 AMAQI
32°C28/38°C
19th Jul 2025645 AMAQI
19th Jul 2025646 AMAQI
19th Jul 2025647 AMAQI
19th Jul 2025648 AMAQI
19th Jul 2025629 AMAQI
19th Jul 20256310 AMAQI
19th Jul 20255611 AMAQI
19th Jul 20255812 PMAQI
19th Jul 2025601 PMAQI
19th Jul 2025602 PMAQI
19th Jul 2025613 PMAQI
19th Jul 2025604 PMAQI
19th Jul 2025645 PMAQI
19th Jul 2025676 PMAQI
19th Jul 2025727 PMAQI
19th Jul 2025678 PMAQI
19th Jul 2025679 PMAQI
19th Jul 20257010 PMAQI
19th Jul 20256811 PMAQI
20th Jul 20256712 AMAQI
20th Jul 2025631 AMAQI
20th Jul 2025622 AMAQI
20th Jul 2025633 AMAQI
20th Jul 2025624 AMAQI
31°C27/38°C
20th Jul 2025625 AMAQI
20th Jul 2025626 AMAQI
20th Jul 2025627 AMAQI
20th Jul 2025668 AMAQI
20th Jul 2025679 AMAQI
20th Jul 20256510 AMAQI
20th Jul 20255811 AMAQI
20th Jul 20254012 PMAQI
20th Jul 2025351 PMAQI
20th Jul 2025442 PMAQI
20th Jul 2025433 PMAQI
20th Jul 2025404 PMAQI
20th Jul 2025285 PMAQI
20th Jul 2025236 PMAQI
20th Jul 2025367 PMAQI
20th Jul 2025538 PMAQI
20th Jul 2025529 PMAQI
20th Jul 20255310 PMAQI
20th Jul 20255211 PMAQI
21st Jul 20255312 AMAQI
21st Jul 2025621 AMAQI
21st Jul 2025632 AMAQI
21st Jul 2025623 AMAQI
21st Jul 2025624 AMAQI
29°C26/33°C
21st Jul 2025615 AMAQI
21st Jul 2025626 AMAQI
21st Jul 2025617 AMAQI
21st Jul 2025328 AMAQI
21st Jul 2025229 AMAQI
21st Jul 20252310 AMAQI
21st Jul 20252911 AMAQI
21st Jul 20253412 PMAQI
21st Jul 2025341 PMAQI
21st Jul 2025312 PMAQI
21st Jul 2025213 PMAQI
21st Jul 2025214 PMAQI
21st Jul 2025205 PMAQI
21st Jul 2025206 PMAQI
21st Jul 2025297 PMAQI
21st Jul 2025508 PMAQI
21st Jul 2025489 PMAQI
21st Jul 20254810 PMAQI
21st Jul 20254711 PMAQI
22nd Jul 20254912 AMAQI
22nd Jul 2025601 AMAQI
22nd Jul 2025602 AMAQI
22nd Jul 2025603 AMAQI
22nd Jul 2025554 AMAQI
29°C26/34°C
22nd Jul 2025555 AMAQI
22nd Jul 2025556 AMAQI
22nd Jul 2025567 AMAQI
22nd Jul 2025348 AMAQI
22nd Jul 2025279 AMAQI
22nd Jul 20252210 AMAQI
22nd Jul 20252511 AMAQI
22nd Jul 20252612 PMAQI
22nd Jul 2025321 PMAQI
22nd Jul 2025372 PMAQI
22nd Jul 2025243 PMAQI
22nd Jul 2025234 PMAQI
22nd Jul 2025385 PMAQI
22nd Jul 2025446 PMAQI
22nd Jul 2025467 PMAQI
22nd Jul 2025528 PMAQI
22nd Jul 2025469 PMAQI
22nd Jul 20254710 PMAQI
22nd Jul 20254711 PMAQI
23rd Jul 20254612 AMAQI
23rd Jul 2025561 AMAQI
23rd Jul 2025562 AMAQI
23rd Jul 2025553 AMAQI
23rd Jul 2025524 AMAQI
27°C25/30°C
23rd Jul 2025525 AMAQI
23rd Jul 2025536 AMAQI
23rd Jul 2025527 AMAQI
23rd Jul 2025268 AMAQI
23rd Jul 2025189 AMAQI
23rd Jul 20251810 AMAQI
23rd Jul 20251911 AMAQI
23rd Jul 20252012 PMAQI
23rd Jul 2025301 PMAQI
23rd Jul 2025382 PMAQI
23rd Jul 2025423 PMAQI
23rd Jul 2025434 PMAQI
23rd Jul 2025225 PMAQI
23rd Jul 2025226 PMAQI
23rd Jul 2025267 PMAQI
23rd Jul 2025398 PMAQI
23rd Jul 2025399 PMAQI
23rd Jul 20254010 PMAQI
23rd Jul 20253911 PMAQI
24th Jul 20254012 AMAQI
24th Jul 2025401 AMAQI
24th Jul 2025502 AMAQI
24th Jul 2025523 AMAQI
24th Jul 2025484 AMAQI
27°C25/31°C
24th Jul 2025505 AMAQI
24th Jul 2025506 AMAQI
24th Jul 2025497 AMAQI
24th Jul 2025328 AMAQI
24th Jul 2025359 AMAQI
24th Jul 20254310 AMAQI
24th Jul 20255511 AMAQI
24th Jul 20255712 PMAQI
24th Jul 2025551 PMAQI
24th Jul 2025572 PMAQI
24th Jul 2025543 PMAQI
24th Jul 2025524 PMAQI
24th Jul 2025525 PMAQI
24th Jul 2025526 PMAQI
24th Jul 2025347 PMAQI
24th Jul 2025448 PMAQI
24th Jul 2025469 PMAQI
24th Jul 20254210 PMAQI
24th Jul 20253711 PMAQI
25th Jul 20254812 AMAQI
25th Jul 2025491 AMAQI
25th Jul 2025502 AMAQI
25th Jul 2025493 AMAQI
25th Jul 2025504 AMAQI
30°C25/36°C
25th Jul 2025505 AMAQI
25th Jul 2025516 AMAQI
25th Jul 2025507 AMAQI
25th Jul 2025348 AMAQI
25th Jul 2025299 AMAQI
25th Jul 20254710 AMAQI
25th Jul 20255611 AMAQI
25th Jul 20255612 PMAQI
25th Jul 2025531 PMAQI
25th Jul 2025542 PMAQI
25th Jul 2025563 PMAQI
25th Jul 2025534 PMAQI
25th Jul 2025555 PMAQI
25th Jul 2025546 PMAQI
25th Jul 2025547 PMAQI
25th Jul 2025528 PMAQI
25th Jul 2025539 PMAQI
25th Jul 20255410 PMAQI
25th Jul 20255811 PMAQI
26th Jul 20255812 AMAQI
26th Jul 2025501 AMAQI
26th Jul 2025492 AMAQI
26th Jul 2025513 AMAQI
26th Jul 2025504 AMAQI
30°C26/37°C
26th Jul 2025505 AMAQI
26th Jul 2025506 AMAQI
26th Jul 2025507 AMAQI
26th Jul 2025638 AMAQI
26th Jul 2025649 AMAQI
26th Jul 20256410 AMAQI
26th Jul 20256311 AMAQI
26th Jul 20255812 PMAQI
26th Jul 2025581 PMAQI
26th Jul 2025592 PMAQI
26th Jul 2025583 PMAQI
26th Jul 2025594 PMAQI
26th Jul 2025565 PMAQI
26th Jul 2025566 PMAQI
26th Jul 2025607 PMAQI
26th Jul 2025548 PMAQI
26th Jul 2025529 PMAQI
26th Jul 20255010 PMAQI
26th Jul 20255211 PMAQI
27th Jul 20255312 AMAQI
27th Jul 2025521 AMAQI
27th Jul 2025522 AMAQI
27th Jul 2025523 AMAQI
27th Jul 2025544 AMAQI
31°C27/37°C
27th Jul 2025545 AMAQI
27th Jul 2025546 AMAQI
27th Jul 2025547 AMAQI
27th Jul 2025568 AMAQI
27th Jul 2025609 AMAQI
27th Jul 20257510 AMAQI
27th Jul 20257511 AMAQI
27th Jul 20257812 PMAQI
27th Jul 2025741 PMAQI
27th Jul 2025702 PMAQI
27th Jul 2025553 PMAQI
27th Jul 2025404 PMAQI
27th Jul 2025305 PMAQI
27th Jul 2025276 PMAQI
27th Jul 2025327 PMAQI
27th Jul 2025478 PMAQI
27th Jul 2025529 PMAQI
27th Jul 20255210 PMAQI
27th Jul 20255111 PMAQI
28th Jul 20255112 AMAQI
28th Jul 2025541 AMAQI
28th Jul 2025532 AMAQI
28th Jul 2025543 AMAQI
28th Jul 2025564 AMAQI
30°C26/34°C
28th Jul 2025565 AMAQI
28th Jul 2025566 AMAQI
28th Jul 2025567 AMAQI
28th Jul 2025508 AMAQI
28th Jul 2025509 AMAQI
28th Jul 20255010 AMAQI
28th Jul 20255511 AMAQI
28th Jul 20255812 PMAQI
28th Jul 2025621 PMAQI
28th Jul 2025552 PMAQI
28th Jul 2025543 PMAQI
28th Jul 2025564 PMAQI
28th Jul 2025605 PMAQI
28th Jul 2025576 PMAQI
28th Jul 2025547 PMAQI
28th Jul 2025558 PMAQI
28th Jul 2025559 PMAQI
28th Jul 20255810 PMAQI
28th Jul 20256011 PMAQI
29th Jul 20255912 AMAQI
29th Jul 2025551 AMAQI
29th Jul 2025542 AMAQI
29th Jul 2025553 AMAQI
29th Jul 2025554 AMAQI
29°C26/35°C
29th Jul 2025555 AMAQI
29th Jul 2025556 AMAQI
29th Jul 2025557 AMAQI
29th Jul 2025568 AMAQI
29th Jul 2025609 AMAQI
29th Jul 20256410 AMAQI
29th Jul 20257111 AMAQI
29th Jul 20257412 PMAQI
29th Jul 2025731 PMAQI
29th Jul 2025672 PMAQI
29th Jul 2025653 PMAQI
29th Jul 2025604 PMAQI
29th Jul 2025525 PMAQI
29th Jul 2025506 PMAQI
29th Jul 2025557 PMAQI
29th Jul 2025568 PMAQI
29th Jul 2025559 PMAQI
29th Jul 20255410 PMAQI
29th Jul 20255111 PMAQI
30th Jul 20255312 AMAQI
30th Jul 2025551 AMAQI
30th Jul 2025552 AMAQI
30th Jul 2025563 AMAQI
30th Jul 2025584 AMAQI
29°C25/34°C
30th Jul 2025585 AMAQI
30th Jul 2025576 AMAQI
30th Jul 2025577 AMAQI
30th Jul 2025548 AMAQI
30th Jul 2025529 AMAQI
30th Jul 20256810 AMAQI
30th Jul 20257811 AMAQI
30th Jul 20256812 PMAQI
30th Jul 2025601 PMAQI
30th Jul 2025612 PMAQI
30th Jul 2025503 PMAQI
30th Jul 2025254 PMAQI
30th Jul 2025265 PMAQI
30th Jul 2025306 PMAQI
30th Jul 2025327 PMAQI
30th Jul 2025508 PMAQI
30th Jul 2025559 PMAQI
30th Jul 20255610 PMAQI
30th Jul 20255411 PMAQI
31st Jul 20255412 AMAQI
31st Jul 2025551 AMAQI
31st Jul 2025562 AMAQI
31st Jul 2025563 AMAQI
31st Jul 2025564 AMAQI
29°C26/35°C
31st Jul 2025565 AMAQI
31st Jul 2025566 AMAQI
31st Jul 2025567 AMAQI
31st Jul 2025568 AMAQI
31st Jul 2025569 AMAQI
31st Jul 20256310 AMAQI
31st Jul 20256911 AMAQI
31st Jul 20258212 PMAQI
31st Jul 2025781 PMAQI
31st Jul 2025842 PMAQI
31st Jul 2025783 PMAQI
31st Jul 2025734 PMAQI
31st Jul 2025645 PMAQI
31st Jul 2025586 PMAQI
31st Jul 2025627 PMAQI
31st Jul 2025598 PMAQI
31st Jul 2025599 PMAQI
31st Jul 20256010 PMAQI
31st Jul 20256011 PMAQI
1st Aug 20256012 AMAQI
1st Aug 2025561 AMAQI
1st Aug 2025562 AMAQI
1st Aug 2025563 AMAQI
1st Aug 2025584 AMAQI
30°C25/36°C
1st Aug 2025575 AMAQI
1st Aug 2025576 AMAQI
1st Aug 2025577 AMAQI
1st Aug 2025638 AMAQI
1st Aug 2025659 AMAQI
1st Aug 20256810 AMAQI
1st Aug 20256411 AMAQI
1st Aug 20256612 PMAQI
1st Aug 2025651 PMAQI
1st Aug 2025682 PMAQI
1st Aug 2025683 PMAQI
1st Aug 2025674 PMAQI
1st Aug 2025635 PMAQI
1st Aug 2025666 PMAQI
1st Aug 2025667 PMAQI
1st Aug 2025688 PMAQI
1st Aug 2025689 PMAQI
1st Aug 20257210 PMAQI
1st Aug 20257311 PMAQI
2nd Aug 20256712 AMAQI
2nd Aug 2025561 AMAQI
2nd Aug 2025562 AMAQI
2nd Aug 2025593 AMAQI
2nd Aug 2025604 AMAQI
30°C26/36°C
2nd Aug 2025595 AMAQI
2nd Aug 2025596 AMAQI
2nd Aug 2025597 AMAQI
2nd Aug 2025798 AMAQI
2nd Aug 2025849 AMAQI
2nd Aug 20257610 AMAQI
2nd Aug 20257611 AMAQI
2nd Aug 20257712 PMAQI
2nd Aug 2025701 PMAQI
2nd Aug 2025782 PMAQI
2nd Aug 2025773 PMAQI
2nd Aug 2025764 PMAQI
2nd Aug 2025755 PMAQI
2nd Aug 2025696 PMAQI
2nd Aug 2025727 PMAQI
2nd Aug 2025688 PMAQI
2nd Aug 2025719 PMAQI
2nd Aug 20257210 PMAQI
2nd Aug 20257211 PMAQI
3rd Aug 20256712 AMAQI
3rd Aug 2025581 AMAQI
3rd Aug 2025582 AMAQI
3rd Aug 2025623 AMAQI
3rd Aug 2025634 AMAQI
31°C26/37°C
3rd Aug 2025645 AMAQI
3rd Aug 2025626 AMAQI
3rd Aug 2025637 AMAQI
3rd Aug 2025638 AMAQI
3rd Aug 2025609 AMAQI
3rd Aug 20256010 AMAQI
3rd Aug 20256011 AMAQI
3rd Aug 20256412 PMAQI
3rd Aug 2025671 PMAQI
3rd Aug 2025642 PMAQI
3rd Aug 2025643 PMAQI
3rd Aug 2025634 PMAQI
3rd Aug 2025605 PMAQI
3rd Aug 2025636 PMAQI
3rd Aug 2025627 PMAQI
3rd Aug 2025648 PMAQI
3rd Aug 2025669 PMAQI
3rd Aug 20256910 PMAQI
3rd Aug 20256411 PMAQI
4th Aug 20256112 AMAQI
--°C/°C
5 AM
12 PM
7 PM
12 AM
4 AM
--°C/°C
Day time
Avg. Highest Time
5 AM - 4 PM
60AQI
12 hours / Day
360 hours / Month
Avg. Lowest Time
5 PM - 7 PM
55AQI
3 hours / Day
90 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 5 AM to 4 PM (Avg. 60), while the lowest AQI was between 5 PM to 7 PM (Avg. 55).
Night time
Avg. Highest Time
12 AM - 11 PM
58AQI
9 hours / Day
270 hours / Month
Avg. Lowest Time
12 AM - 11 PM
58AQI
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. 58), while the lowest AQI was between 12 AM to 11 PM (Avg. 58).
2025 Days Vs Air Quality
Economic Development Zone Epa, Changsha, Hunan, China
2025
11%
23
51%
109
29%
63
7%
16
0.9%
2
0.4%
1
Total number of days with different AQI categories in last 215 days in 2025 (150 days remaining)
Good
23 DaysModerate
109 DaysPoor
63 DaysUnhealthy
16 DaysSevere
2 DaysHazardous
1 DaysUnder WHO’s Safe Air Quality Limits: 11%
Health Risk Level:
Extreme
In 2025, 11% of 215 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
Economic Development Zone Epa, Changsha, Hunan, 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
167AQI
167AQI
2nd January 2025
177AQI
177AQI
3rd January 2025
193AQI
193AQI
4th January 2025
218AQI
218AQI
5th January 2025
147AQI
147AQI
6th January 2025
154AQI
154AQI
7th January 2025
159AQI
159AQI
8th January 2025
141AQI
141AQI
9th January 2025
144AQI
144AQI
10th January 2025
113AQI
113AQI
11th January 2025
129AQI
129AQI
12th January 2025
125AQI
125AQI
13th January 2025
132AQI
132AQI
14th January 2025
141AQI
141AQI
15th January 2025
117AQI
117AQI
16th January 2025
120AQI
120AQI
17th January 2025
115AQI
115AQI
18th January 2025
136AQI
136AQI
19th January 2025
150AQI
150AQI
20th January 2025
160AQI
160AQI
21st January 2025
151AQI
151AQI
22nd January 2025
155AQI
155AQI
23rd January 2025
241AQI
241AQI
24th January 2025
176AQI
176AQI
25th January 2025
99AQI
99AQI
26th January 2025
99AQI
99AQI
27th January 2025
106AQI
106AQI
28th January 2025
119AQI
119AQI
29th January 2025
169AQI
169AQI
30th January 2025
131AQI
131AQI
31st January 2025
124AQI
124AQI
1st February 2025
112AQI
112AQI
2nd February 2025
107AQI
107AQI
3rd February 2025
120AQI
120AQI
4th February 2025
99AQI
99AQI
5th February 2025
129AQI
129AQI
6th February 2025
104AQI
104AQI
7th February 2025
117AQI
117AQI
8th February 2025
70AQI
70AQI
9th February 2025
88AQI
88AQI
10th February 2025
93AQI
93AQI
11th February 2025
127AQI
127AQI
12th February 2025
137AQI
137AQI
13th February 2025
155AQI
155AQI
14th February 2025
155AQI
155AQI
15th February 2025
158AQI
158AQI
16th February 2025
146AQI
146AQI
17th February 2025
117AQI
117AQI
18th February 2025
102AQI
102AQI
19th February 2025
105AQI
105AQI
20th February 2025
100AQI
100AQI
21st February 2025
151AQI
151AQI
22nd February 2025
73AQI
73AQI
23rd February 2025
141AQI
141AQI
24th February 2025
129AQI
129AQI
25th February 2025
155AQI
155AQI
26th February 2025
139AQI
139AQI
27th February 2025
128AQI
128AQI
28th February 2025
116AQI
116AQI
1st March 2025
88AQI
88AQI
2nd March 2025
83AQI
83AQI
3rd March 2025
43AQI
43AQI
4th March 2025
85AQI
85AQI
5th March 2025
76AQI
76AQI
6th March 2025
112AQI
112AQI
7th March 2025
87AQI
87AQI
8th March 2025
96AQI
96AQI
9th March 2025
119AQI
119AQI
10th March 2025
100AQI
100AQI
11th March 2025
98AQI
98AQI
12th March 2025
128AQI
128AQI
13th March 2025
122AQI
122AQI
14th March 2025
73AQI
73AQI
15th March 2025
87AQI
87AQI
16th March 2025
74AQI
74AQI
17th March 2025
78AQI
78AQI
18th March 2025
80AQI
80AQI
19th March 2025
77AQI
77AQI
20th March 2025
82AQI
82AQI
21st March 2025
88AQI
88AQI
22nd March 2025
92AQI
92AQI
23rd March 2025
128AQI
128AQI
24th March 2025
105AQI
105AQI
25th March 2025
132AQI
132AQI
26th March 2025
135AQI
135AQI
27th March 2025
137AQI
137AQI
28th March 2025
83AQI
83AQI
29th March 2025
101AQI
101AQI
30th March 2025
72AQI
72AQI
31st March 2025
98AQI
98AQI
1st April 2025
93AQI
93AQI
2nd April 2025
97AQI
97AQI
3rd April 2025
95AQI
95AQI
4th April 2025
120AQI
120AQI
5th April 2025
112AQI
112AQI
6th April 2025
125AQI
125AQI
7th April 2025
127AQI
127AQI
8th April 2025
134AQI
134AQI
9th April 2025
137AQI
137AQI
10th April 2025
115AQI
115AQI
11th April 2025
114AQI
114AQI
12th April 2025
401AQI
401AQI
13th April 2025
148AQI
148AQI
14th April 2025
163AQI
163AQI
15th April 2025
112AQI
112AQI
16th April 2025
127AQI
127AQI
17th April 2025
119AQI
119AQI
18th April 2025
120AQI
120AQI
19th April 2025
80AQI
80AQI
20th April 2025
108AQI
108AQI
21st April 2025
67AQI
67AQI
22nd April 2025
91AQI
91AQI
23rd April 2025
98AQI
98AQI
24th April 2025
73AQI
73AQI
25th April 2025
76AQI
76AQI
26th April 2025
72AQI
72AQI
27th April 2025
82AQI
82AQI
28th April 2025
91AQI
91AQI
29th April 2025
103AQI
103AQI
30th April 2025
91AQI
91AQI
1st May 2025
94AQI
94AQI
2nd May 2025
84AQI
84AQI
3rd May 2025
100AQI
100AQI
4th May 2025
103AQI
103AQI
5th May 2025
87AQI
87AQI
6th May 2025
101AQI
101AQI
7th May 2025
99AQI
99AQI
8th May 2025
80AQI
80AQI
9th May 2025
78AQI
78AQI
10th May 2025
80AQI
80AQI
11th May 2025
78AQI
78AQI
12th May 2025
83AQI
83AQI
13th May 2025
85AQI
85AQI
14th May 2025
97AQI
97AQI
15th May 2025
106AQI
106AQI
16th May 2025
79AQI
79AQI
17th May 2025
82AQI
82AQI
18th May 2025
89AQI
89AQI
19th May 2025
79AQI
79AQI
20th May 2025
58AQI
58AQI
21st May 2025
63AQI
63AQI
22nd May 2025
58AQI
58AQI
23rd May 2025
68AQI
68AQI
24th May 2025
91AQI
91AQI
25th May 2025
97AQI
97AQI
26th May 2025
93AQI
93AQI
27th May 2025
112AQI
112AQI
28th May 2025
72AQI
72AQI
29th May 2025
72AQI
72AQI
30th May 2025
60AQI
60AQI
31st May 2025
56AQI
56AQI
1st June 2025
46AQI
46AQI
2nd June 2025
61AQI
61AQI
3rd June 2025
70AQI
70AQI
4th June 2025
86AQI
86AQI
5th June 2025
77AQI
77AQI
6th June 2025
81AQI
81AQI
7th June 2025
63AQI
63AQI
8th June 2025
74AQI
74AQI
9th June 2025
70AQI
70AQI
10th June 2025
76AQI
76AQI
11th June 2025
53AQI
53AQI
12th June 2025
56AQI
56AQI
13th June 2025
63AQI
63AQI
14th June 2025
50AQI
50AQI
15th June 2025
57AQI
57AQI
16th June 2025
56AQI
56AQI
17th June 2025
47AQI
47AQI
18th June 2025
46AQI
46AQI
19th June 2025
44AQI
44AQI
20th June 2025
45AQI
45AQI
21st June 2025
46AQI
46AQI
22nd June 2025
26AQI
26AQI
23rd June 2025
30AQI
30AQI
24th June 2025
38AQI
38AQI
25th June 2025
50AQI
50AQI
26th June 2025
60AQI
60AQI
27th June 2025
46AQI
46AQI
28th June 2025
45AQI
45AQI
29th June 2025
48AQI
48AQI
30th June 2025
49AQI
49AQI
1st July 2025
42AQI
42AQI
2nd July 2025
34AQI
34AQI
3rd July 2025
50AQI
50AQI
4th July 2025
53AQI
53AQI
5th July 2025
65AQI
65AQI
6th July 2025
64AQI
64AQI
7th July 2025
70AQI
70AQI
8th July 2025
74AQI
74AQI
9th July 2025
62AQI
62AQI
10th July 2025
52AQI
52AQI
11th July 2025
64AQI
64AQI
12th July 2025
60AQI
60AQI
13th July 2025
59AQI
59AQI
14th July 2025
61AQI
61AQI
15th July 2025
61AQI
61AQI
16th July 2025
61AQI
61AQI
17th July 2025
65AQI
65AQI
18th July 2025
65AQI
65AQI
19th July 2025
64AQI
64AQI
20th July 2025
52AQI
52AQI
21st July 2025
43AQI
43AQI
22nd July 2025
44AQI
44AQI
23rd July 2025
39AQI
39AQI
24th July 2025
47AQI
47AQI
25th July 2025
51AQI
51AQI
26th July 2025
55AQI
55AQI
27th July 2025
53AQI
53AQI
28th July 2025
55AQI
55AQI
29th July 2025
58AQI
58AQI
30th July 2025
52AQI
52AQI
31st July 2025
62AQI
62AQI
1st August 2025
63AQI
63AQI
2nd August 2025
66AQI
66AQI
145AQI
120AQI
95AQI
116AQI
83AQI
55AQI
56AQI
65AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202596AQI
2
17
10
2
6
17
5
1
20
10
13
15
1
1
27
4
15
15
7
24
2
23
109
63
16
2
1
Highest AQI recorded in
January145AQI
Lowest AQI recorded in
June55AQI
202497AQI
2
2
14
12
1
1
11
12
4
1
14
14
3
1
15
14
3
17
11
15
15
18
13
7
24
1
23
6
3
11
13
4
2
9
6
13
3
14
14
53
157
104
50
2
Highest AQI recorded in
December140AQI
Lowest AQI recorded in
July47AQI
202395AQI
4
11
11
5
1
2
12
13
2
9
15
5
5
17
8
2
20
9
9
21
14
17
4
27
6
24
2
13
15
1
1
4
19
2
2
8
14
4
3
48
166
103
36
8
Highest AQI recorded in
January156AQI
Lowest AQI recorded in
July52AQI
2022105AQI
5
9
14
3
7
9
5
2
13
14
2
14
15
1
20
11
2
28
7
16
1
8
20
6
9
15
1
2
16
10
2
2
17
12
20
138
120
37
3
Highest AQI recorded in
January152AQI
Lowest AQI recorded in
August50AQI
2021112AQI
2
10
16
2
3
16
8
1
6
24
1
8
20
2
1
19
11
3
19
8
30
1
1
19
1
2
20
8
2
12
10
5
2
9
14
4
3
2
9
15
5
9
149
132
51
13
Highest AQI recorded in
December158AQI
Lowest AQI recorded in
July71AQI
2020100AQI
2
5
4
2
4
14
3
8
10
8
21
1
3
24
4
9
20
2
3
20
7
2
8
11
10
1
9
15
5
2
5
22
2
28
121
73
42
2
Highest AQI recorded in
December161AQI
Lowest AQI recorded in
August65AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2021(Avg.)
112AQILeast Polluted Year Recorded
2023(Avg.)
95AQIEconomic Development Zone Epa's annual 2025 AQI (96) shows an average percentage change of -5.6% (improved AQI) compared to previous years: 2020 (100), 2021 (112), 2022 (105), 2023 (95), 2024 (97).
