City Epa, Yiyang, 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
City Epa, Yiyang, Hunan, China
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
19th Aug 2023
119AQILowest AQI recorded on
26th Aug 2021
30AQISame Day Analysis (6th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 54 of Moderate air quality, showing improvement over 2023 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 7th Aug - 8th Aug 2025
City Epa, Yiyang, Hunan, China
AQI
Day
Night
.
5 AM7th Aug 2025
7 PM
4 AM8th Aug 2025
Day time
Avg. Highest Time
12AMNaNth undefined
AQI
Avg. Lowest Time
12AMNaNth undefined
AQI
Night time
Avg. Highest Time
1AM8th Aug
60AQI
Avg. Lowest Time
3PM7th Aug
27AQI
In the last 24 hours,
City Epa's AQI reached its highest point of 60 at 1 AM during the Night, while the lowest point, undefined, was recorded at 4 AM during the Night between 7th Aug and 8th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
City Epa, Yiyang, Hunan, 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 2025635 AMAQI
9th Jul 2025646 AMAQI
9th Jul 2025647 AMAQI
9th Jul 2025808 AMAQI
9th Jul 2025839 AMAQI
9th Jul 20258610 AMAQI
9th Jul 20258411 AMAQI
9th Jul 20257212 PMAQI
9th Jul 2025641 PMAQI
9th Jul 2025682 PMAQI
9th Jul 2025703 PMAQI
9th Jul 2025384 PMAQI
9th Jul 2025295 PMAQI
9th Jul 2025346 PMAQI
9th Jul 2025407 PMAQI
9th Jul 2025548 PMAQI
9th Jul 2025559 PMAQI
9th Jul 20256110 PMAQI
9th Jul 20255411 PMAQI
10th Jul 20255612 AMAQI
10th Jul 2025621 AMAQI
10th Jul 2025622 AMAQI
10th Jul 2025643 AMAQI
10th Jul 2025664 AMAQI
30°C25/35°C
10th Jul 2025665 AMAQI
10th Jul 2025666 AMAQI
10th Jul 2025657 AMAQI
10th Jul 2025538 AMAQI
10th Jul 2025339 AMAQI
10th Jul 20254010 AMAQI
10th Jul 20253511 AMAQI
10th Jul 20253012 PMAQI
10th Jul 2025311 PMAQI
10th Jul 2025462 PMAQI
10th Jul 2025403 PMAQI
10th Jul 2025294 PMAQI
10th Jul 2025265 PMAQI
10th Jul 2025296 PMAQI
10th Jul 2025437 PMAQI
10th Jul 2025608 PMAQI
10th Jul 2025619 PMAQI
10th Jul 20255710 PMAQI
10th Jul 20255811 PMAQI
11th Jul 20255912 AMAQI
11th Jul 2025631 AMAQI
11th Jul 2025632 AMAQI
11th Jul 2025613 AMAQI
11th Jul 2025594 AMAQI
29°C25/36°C
11th Jul 2025585 AMAQI
11th Jul 2025596 AMAQI
11th Jul 2025587 AMAQI
11th Jul 2025588 AMAQI
11th Jul 2025709 AMAQI
11th Jul 20257810 AMAQI
11th Jul 20258211 AMAQI
11th Jul 20257712 PMAQI
11th Jul 2025701 PMAQI
11th Jul 2025692 PMAQI
11th Jul 2025663 PMAQI
11th Jul 2025644 PMAQI
11th Jul 2025675 PMAQI
11th Jul 2025616 PMAQI
11th Jul 2025567 PMAQI
11th Jul 2025588 PMAQI
11th Jul 2025669 PMAQI
11th Jul 20256810 PMAQI
11th Jul 20256911 PMAQI
12th Jul 20256812 AMAQI
12th Jul 2025621 AMAQI
12th Jul 2025602 AMAQI
12th Jul 2025613 AMAQI
12th Jul 2025634 AMAQI
29°C25/34°C
12th Jul 2025625 AMAQI
12th Jul 2025626 AMAQI
12th Jul 2025637 AMAQI
12th Jul 2025598 AMAQI
12th Jul 2025769 AMAQI
12th Jul 20257510 AMAQI
12th Jul 20256811 AMAQI
12th Jul 20256612 PMAQI
12th Jul 2025481 PMAQI
12th Jul 2025362 PMAQI
12th Jul 2025363 PMAQI
12th Jul 2025334 PMAQI
12th Jul 2025325 PMAQI
12th Jul 2025406 PMAQI
12th Jul 2025517 PMAQI
12th Jul 2025648 PMAQI
12th Jul 2025649 PMAQI
12th Jul 20256010 PMAQI
12th Jul 20256011 PMAQI
13th Jul 20256212 AMAQI
13th Jul 2025621 AMAQI
13th Jul 2025622 AMAQI
13th Jul 2025623 AMAQI
13th Jul 2025624 AMAQI
28°C24/33°C
13th Jul 2025635 AMAQI
13th Jul 2025626 AMAQI
13th Jul 2025627 AMAQI
13th Jul 2025668 AMAQI
13th Jul 2025749 AMAQI
13th Jul 20256610 AMAQI
13th Jul 20256211 AMAQI
13th Jul 20255212 PMAQI
13th Jul 2025361 PMAQI
13th Jul 2025372 PMAQI
13th Jul 2025363 PMAQI
13th Jul 2025444 PMAQI
13th Jul 2025505 PMAQI
13th Jul 2025556 PMAQI
13th Jul 2025547 PMAQI
13th Jul 2025588 PMAQI
13th Jul 2025589 PMAQI
13th Jul 20255710 PMAQI
13th Jul 20256111 PMAQI
14th Jul 20256212 AMAQI
14th Jul 2025611 AMAQI
14th Jul 2025622 AMAQI
14th Jul 2025623 AMAQI
14th Jul 2025604 AMAQI
28°C24/33°C
14th Jul 2025615 AMAQI
14th Jul 2025616 AMAQI
14th Jul 2025617 AMAQI
14th Jul 2025588 AMAQI
14th Jul 2025579 AMAQI
14th Jul 20255110 AMAQI
14th Jul 20254111 AMAQI
14th Jul 20254012 PMAQI
14th Jul 2025421 PMAQI
14th Jul 2025362 PMAQI
14th Jul 2025463 PMAQI
14th Jul 2025464 PMAQI
14th Jul 2025455 PMAQI
14th Jul 2025306 PMAQI
14th Jul 2025477 PMAQI
14th Jul 2025588 PMAQI
14th Jul 2025629 PMAQI
14th Jul 20256010 PMAQI
14th Jul 20255511 PMAQI
15th Jul 20255712 AMAQI
15th Jul 2025601 AMAQI
15th Jul 2025602 AMAQI
15th Jul 2025603 AMAQI
15th Jul 2025584 AMAQI
30°C25/36°C
15th Jul 2025595 AMAQI
15th Jul 2025596 AMAQI
15th Jul 2025597 AMAQI
15th Jul 2025688 AMAQI
15th Jul 2025749 AMAQI
15th Jul 20257510 AMAQI
15th Jul 20258011 AMAQI
15th Jul 20253812 PMAQI
15th Jul 2025371 PMAQI
15th Jul 2025432 PMAQI
15th Jul 2025343 PMAQI
15th Jul 2025454 PMAQI
15th Jul 2025405 PMAQI
15th Jul 2025376 PMAQI
15th Jul 2025467 PMAQI
15th Jul 2025608 PMAQI
15th Jul 2025649 PMAQI
15th Jul 20256410 PMAQI
15th Jul 20256411 PMAQI
16th Jul 20256212 AMAQI
16th Jul 2025591 AMAQI
16th Jul 2025592 AMAQI
16th Jul 2025593 AMAQI
16th Jul 2025604 AMAQI
32°C27/39°C
16th Jul 2025605 AMAQI
16th Jul 2025586 AMAQI
16th Jul 2025597 AMAQI
16th Jul 2025548 AMAQI
16th Jul 2025509 AMAQI
16th Jul 20255010 AMAQI
16th Jul 20254511 AMAQI
16th Jul 20253512 PMAQI
16th Jul 2025381 PMAQI
16th Jul 2025402 PMAQI
16th Jul 2025443 PMAQI
16th Jul 2025354 PMAQI
16th Jul 2025375 PMAQI
16th Jul 2025596 PMAQI
16th Jul 2025537 PMAQI
16th Jul 2025588 PMAQI
16th Jul 2025599 PMAQI
16th Jul 20256110 PMAQI
16th Jul 20256211 PMAQI
17th Jul 20256212 AMAQI
17th Jul 2025601 AMAQI
17th Jul 2025602 AMAQI
17th Jul 2025593 AMAQI
17th Jul 2025584 AMAQI
33°C28/40°C
17th Jul 2025575 AMAQI
17th Jul 2025576 AMAQI
17th Jul 2025587 AMAQI
17th Jul 2025588 AMAQI
17th Jul 2025599 AMAQI
17th Jul 20256210 AMAQI
17th Jul 20254911 AMAQI
17th Jul 20254412 PMAQI
17th Jul 2025561 PMAQI
17th Jul 2025482 PMAQI
17th Jul 2025403 PMAQI
17th Jul 2025564 PMAQI
17th Jul 2025595 PMAQI
17th Jul 2025546 PMAQI
17th Jul 2025637 PMAQI
17th Jul 2025678 PMAQI
17th Jul 2025679 PMAQI
17th Jul 20256710 PMAQI
17th Jul 20257411 PMAQI
18th Jul 20257812 AMAQI
18th Jul 2025641 AMAQI
18th Jul 2025602 AMAQI
18th Jul 2025603 AMAQI
18th Jul 2025584 AMAQI
31°C28/36°C
18th Jul 2025585 AMAQI
18th Jul 2025586 AMAQI
18th Jul 2025587 AMAQI
18th Jul 2025908 AMAQI
18th Jul 2025549 AMAQI
18th Jul 20255410 AMAQI
18th Jul 20255611 AMAQI
18th Jul 20255412 PMAQI
18th Jul 2025401 PMAQI
18th Jul 2025402 PMAQI
18th Jul 2025443 PMAQI
18th Jul 2025504 PMAQI
18th Jul 2025515 PMAQI
18th Jul 2025586 PMAQI
18th Jul 2025597 PMAQI
18th Jul 2025568 PMAQI
18th Jul 2025579 PMAQI
18th Jul 20256310 PMAQI
18th Jul 20256511 PMAQI
19th Jul 20256712 AMAQI
19th Jul 2025621 AMAQI
19th Jul 2025622 AMAQI
19th Jul 2025613 AMAQI
19th Jul 2025604 AMAQI
31°C27/37°C
19th Jul 2025605 AMAQI
19th Jul 2025606 AMAQI
19th Jul 2025607 AMAQI
19th Jul 2025688 AMAQI
19th Jul 2025759 AMAQI
19th Jul 20257610 AMAQI
19th Jul 20254111 AMAQI
19th Jul 20253712 PMAQI
19th Jul 2025381 PMAQI
19th Jul 2025362 PMAQI
19th Jul 2025343 PMAQI
19th Jul 2025384 PMAQI
19th Jul 2025365 PMAQI
19th Jul 2025376 PMAQI
19th Jul 2025487 PMAQI
19th Jul 2025658 PMAQI
19th Jul 2025689 PMAQI
19th Jul 20256910 PMAQI
19th Jul 20256811 PMAQI
20th Jul 20256612 AMAQI
20th Jul 2025621 AMAQI
20th Jul 2025622 AMAQI
20th Jul 2025613 AMAQI
20th Jul 2025614 AMAQI
30°C26/36°C
20th Jul 2025615 AMAQI
20th Jul 2025616 AMAQI
20th Jul 2025617 AMAQI
20th Jul 2025648 AMAQI
20th Jul 2025629 AMAQI
20th Jul 20256110 AMAQI
20th Jul 20256311 AMAQI
20th Jul 20257012 PMAQI
20th Jul 2025671 PMAQI
20th Jul 2025552 PMAQI
20th Jul 2025343 PMAQI
20th Jul 2025454 PMAQI
20th Jul 2025605 PMAQI
20th Jul 2025676 PMAQI
20th Jul 2025567 PMAQI
20th Jul 2025568 PMAQI
20th Jul 2025569 PMAQI
20th Jul 20255310 PMAQI
20th Jul 20255611 PMAQI
21st Jul 20255812 AMAQI
21st Jul 2025621 AMAQI
21st Jul 2025622 AMAQI
21st Jul 2025623 AMAQI
21st Jul 2025624 AMAQI
27°C24/32°C
21st Jul 2025625 AMAQI
21st Jul 2025626 AMAQI
21st Jul 2025627 AMAQI
21st Jul 2025528 AMAQI
21st Jul 2025519 AMAQI
21st Jul 20254210 AMAQI
21st Jul 20252411 AMAQI
21st Jul 20253612 PMAQI
21st Jul 2025351 PMAQI
21st Jul 2025242 PMAQI
21st Jul 2025213 PMAQI
21st Jul 2025314 PMAQI
21st Jul 2025235 PMAQI
21st Jul 2025216 PMAQI
21st Jul 2025367 PMAQI
21st Jul 2025508 PMAQI
21st Jul 2025549 PMAQI
21st Jul 20256010 PMAQI
21st Jul 20255611 PMAQI
22nd Jul 20255512 AMAQI
22nd Jul 2025611 AMAQI
22nd Jul 2025612 AMAQI
22nd Jul 2025593 AMAQI
22nd Jul 2025584 AMAQI
27°C25/31°C
22nd Jul 2025585 AMAQI
22nd Jul 2025586 AMAQI
22nd Jul 2025587 AMAQI
22nd Jul 2025308 AMAQI
22nd Jul 2025249 AMAQI
22nd Jul 20252810 AMAQI
22nd Jul 20252511 AMAQI
22nd Jul 20252412 PMAQI
22nd Jul 2025281 PMAQI
22nd Jul 2025322 PMAQI
22nd Jul 2025263 PMAQI
22nd Jul 2025234 PMAQI
22nd Jul 2025315 PMAQI
22nd Jul 2025316 PMAQI
22nd Jul 2025457 PMAQI
22nd Jul 2025558 PMAQI
22nd Jul 2025529 PMAQI
22nd Jul 20255210 PMAQI
22nd Jul 20255211 PMAQI
23rd Jul 20254912 AMAQI
23rd Jul 2025581 AMAQI
23rd Jul 2025592 AMAQI
23rd Jul 2025573 AMAQI
23rd Jul 2025544 AMAQI
27°C25/30°C
23rd Jul 2025545 AMAQI
23rd Jul 2025546 AMAQI
23rd Jul 2025547 AMAQI
23rd Jul 2025328 AMAQI
23rd Jul 2025349 AMAQI
23rd Jul 20254110 AMAQI
23rd Jul 20252911 AMAQI
23rd Jul 20252412 PMAQI
23rd Jul 2025301 PMAQI
23rd Jul 2025222 PMAQI
23rd Jul 2025363 PMAQI
23rd Jul 2025264 PMAQI
23rd Jul 2025215 PMAQI
23rd Jul 2025336 PMAQI
23rd Jul 2025427 PMAQI
23rd Jul 2025528 PMAQI
23rd Jul 2025539 PMAQI
23rd Jul 20254810 PMAQI
23rd Jul 20254411 PMAQI
24th Jul 20254112 AMAQI
24th Jul 2025421 AMAQI
24th Jul 2025512 AMAQI
24th Jul 2025543 AMAQI
24th Jul 2025534 AMAQI
27°C25/31°C
24th Jul 2025525 AMAQI
24th Jul 2025526 AMAQI
24th Jul 2025537 AMAQI
24th Jul 2025508 AMAQI
24th Jul 2025599 AMAQI
24th Jul 20255310 AMAQI
24th Jul 20252111 AMAQI
24th Jul 20253012 PMAQI
24th Jul 2025351 PMAQI
24th Jul 2025322 PMAQI
24th Jul 2025193 PMAQI
24th Jul 2025194 PMAQI
24th Jul 2025355 PMAQI
24th Jul 2025306 PMAQI
24th Jul 2025387 PMAQI
24th Jul 2025388 PMAQI
24th Jul 2025469 PMAQI
24th Jul 20255310 PMAQI
24th Jul 20255511 PMAQI
25th Jul 20254612 AMAQI
25th Jul 2025521 AMAQI
25th Jul 2025522 AMAQI
25th Jul 2025513 AMAQI
25th Jul 2025504 AMAQI
28°C24/34°C
25th Jul 2025495 AMAQI
25th Jul 2025506 AMAQI
25th Jul 2025507 AMAQI
25th Jul 2025348 AMAQI
25th Jul 2025279 AMAQI
25th Jul 20254410 AMAQI
25th Jul 20254211 AMAQI
25th Jul 20253812 PMAQI
25th Jul 2025401 PMAQI
25th Jul 2025422 PMAQI
25th Jul 2025433 PMAQI
25th Jul 2025384 PMAQI
25th Jul 2025235 PMAQI
25th Jul 2025256 PMAQI
25th Jul 2025437 PMAQI
25th Jul 2025568 PMAQI
25th Jul 2025609 PMAQI
25th Jul 20256010 PMAQI
25th Jul 20256011 PMAQI
26th Jul 20256012 AMAQI
26th Jul 2025511 AMAQI
26th Jul 2025512 AMAQI
26th Jul 2025503 AMAQI
26th Jul 2025504 AMAQI
30°C25/34°C
26th Jul 2025495 AMAQI
26th Jul 2025486 AMAQI
26th Jul 2025497 AMAQI
26th Jul 2025668 AMAQI
26th Jul 2025709 AMAQI
26th Jul 20256310 AMAQI
26th Jul 20256611 AMAQI
26th Jul 20257312 PMAQI
26th Jul 2025681 PMAQI
26th Jul 2025492 PMAQI
26th Jul 2025383 PMAQI
26th Jul 2025284 PMAQI
26th Jul 2025245 PMAQI
26th Jul 2025406 PMAQI
26th Jul 2025447 PMAQI
26th Jul 2025528 PMAQI
26th Jul 2025549 PMAQI
26th Jul 20255410 PMAQI
26th Jul 20255711 PMAQI
27th Jul 20255712 AMAQI
27th Jul 2025521 AMAQI
27th Jul 2025522 AMAQI
27th Jul 2025533 AMAQI
27th Jul 2025554 AMAQI
30°C25/35°C
27th Jul 2025555 AMAQI
27th Jul 2025556 AMAQI
27th Jul 2025557 AMAQI
27th Jul 2025628 AMAQI
27th Jul 2025649 AMAQI
27th Jul 20255810 AMAQI
27th Jul 20256211 AMAQI
27th Jul 20256012 PMAQI
27th Jul 2025571 PMAQI
27th Jul 2025502 PMAQI
27th Jul 2025353 PMAQI
27th Jul 2025364 PMAQI
27th Jul 2025285 PMAQI
27th Jul 2025536 PMAQI
27th Jul 2025527 PMAQI
27th Jul 2025588 PMAQI
27th Jul 2025449 PMAQI
27th Jul 20254610 PMAQI
27th Jul 20255411 PMAQI
28th Jul 20255812 AMAQI
28th Jul 2025541 AMAQI
28th Jul 2025542 AMAQI
28th Jul 2025543 AMAQI
28th Jul 2025554 AMAQI
29°C25/32°C
28th Jul 2025555 AMAQI
28th Jul 2025556 AMAQI
28th Jul 2025557 AMAQI
28th Jul 2025568 AMAQI
28th Jul 2025589 AMAQI
28th Jul 20256410 AMAQI
28th Jul 20256011 AMAQI
28th Jul 20254912 PMAQI
28th Jul 2025321 PMAQI
28th Jul 2025262 PMAQI
28th Jul 2025273 PMAQI
28th Jul 2025454 PMAQI
28th Jul 2025605 PMAQI
28th Jul 2025526 PMAQI
28th Jul 2025487 PMAQI
28th Jul 2025528 PMAQI
28th Jul 2025599 PMAQI
28th Jul 20255810 PMAQI
28th Jul 20255811 PMAQI
29th Jul 20256012 AMAQI
29th Jul 2025551 AMAQI
29th Jul 2025552 AMAQI
29th Jul 2025543 AMAQI
29th Jul 2025544 AMAQI
28°C25/33°C
29th Jul 2025545 AMAQI
29th Jul 2025546 AMAQI
29th Jul 2025547 AMAQI
29th Jul 2025628 AMAQI
29th Jul 2025609 AMAQI
29th Jul 20255910 AMAQI
29th Jul 20255811 AMAQI
29th Jul 20255212 PMAQI
29th Jul 2025461 PMAQI
29th Jul 2025452 PMAQI
29th Jul 2025513 PMAQI
29th Jul 2025304 PMAQI
29th Jul 2025365 PMAQI
29th Jul 2025336 PMAQI
29th Jul 2025327 PMAQI
29th Jul 2025498 PMAQI
29th Jul 2025579 PMAQI
29th Jul 20256110 PMAQI
29th Jul 20256311 PMAQI
30th Jul 20256112 AMAQI
30th Jul 2025551 AMAQI
30th Jul 2025552 AMAQI
30th Jul 2025553 AMAQI
30th Jul 2025554 AMAQI
29°C25/34°C
30th Jul 2025555 AMAQI
30th Jul 2025556 AMAQI
30th Jul 2025557 AMAQI
30th Jul 2025608 AMAQI
30th Jul 2025579 AMAQI
30th Jul 20256510 AMAQI
30th Jul 20257011 AMAQI
30th Jul 20254212 PMAQI
30th Jul 2025541 PMAQI
30th Jul 2025522 PMAQI
30th Jul 2025343 PMAQI
30th Jul 2025484 PMAQI
30th Jul 2025415 PMAQI
30th Jul 2025326 PMAQI
30th Jul 2025427 PMAQI
30th Jul 2025548 PMAQI
30th Jul 2025579 PMAQI
30th Jul 20255610 PMAQI
30th Jul 20255911 PMAQI
31st Jul 20254812 AMAQI
31st Jul 2025551 AMAQI
31st Jul 2025552 AMAQI
31st Jul 2025563 AMAQI
31st Jul 2025564 AMAQI
28°C26/32°C
31st Jul 2025565 AMAQI
31st Jul 2025566 AMAQI
31st Jul 2025567 AMAQI
31st Jul 2025568 AMAQI
31st Jul 2025569 AMAQI
31st Jul 20256010 AMAQI
31st Jul 20255811 AMAQI
31st Jul 20255812 PMAQI
31st Jul 2025601 PMAQI
31st Jul 2025462 PMAQI
31st Jul 2025443 PMAQI
31st Jul 2025414 PMAQI
31st Jul 2025375 PMAQI
31st Jul 2025446 PMAQI
31st Jul 2025567 PMAQI
31st Jul 2025628 PMAQI
31st Jul 2025609 PMAQI
31st Jul 20255910 PMAQI
31st Jul 20256111 PMAQI
1st Aug 20256412 AMAQI
1st Aug 2025561 AMAQI
1st Aug 2025562 AMAQI
1st Aug 2025573 AMAQI
1st Aug 2025584 AMAQI
29°C25/35°C
1st Aug 2025575 AMAQI
1st Aug 2025586 AMAQI
1st Aug 2025587 AMAQI
1st Aug 2025648 AMAQI
1st Aug 2025649 AMAQI
1st Aug 20256810 AMAQI
1st Aug 20257111 AMAQI
1st Aug 20257712 PMAQI
1st Aug 2025701 PMAQI
1st Aug 2025692 PMAQI
1st Aug 2025683 PMAQI
1st Aug 2025654 PMAQI
1st Aug 2025645 PMAQI
1st Aug 2025646 PMAQI
1st Aug 2025637 PMAQI
1st Aug 2025638 PMAQI
1st Aug 2025659 PMAQI
1st Aug 20256810 PMAQI
1st Aug 20256811 PMAQI
2nd Aug 20256412 AMAQI
2nd Aug 2025581 AMAQI
2nd Aug 2025572 AMAQI
2nd Aug 2025593 AMAQI
2nd Aug 2025604 AMAQI
30°C25/34°C
2nd Aug 2025595 AMAQI
2nd Aug 2025596 AMAQI
2nd Aug 2025597 AMAQI
2nd Aug 2025798 AMAQI
2nd Aug 2025799 AMAQI
2nd Aug 20257810 AMAQI
2nd Aug 20258011 AMAQI
2nd Aug 20257912 PMAQI
2nd Aug 2025691 PMAQI
2nd Aug 2025722 PMAQI
2nd Aug 2025693 PMAQI
2nd Aug 2025704 PMAQI
2nd Aug 2025705 PMAQI
2nd Aug 2025686 PMAQI
2nd Aug 2025667 PMAQI
2nd Aug 2025668 PMAQI
2nd Aug 2025669 PMAQI
2nd Aug 20257010 PMAQI
2nd Aug 20257011 PMAQI
3rd Aug 20256612 AMAQI
3rd Aug 2025581 AMAQI
3rd Aug 2025582 AMAQI
3rd Aug 2025623 AMAQI
3rd Aug 2025634 AMAQI
30°C26/36°C
3rd Aug 2025635 AMAQI
3rd Aug 2025636 AMAQI
3rd Aug 2025637 AMAQI
3rd Aug 2025638 AMAQI
3rd Aug 2025639 AMAQI
3rd Aug 20257010 AMAQI
3rd Aug 20257511 AMAQI
3rd Aug 20256912 PMAQI
3rd Aug 2025661 PMAQI
3rd Aug 2025642 PMAQI
3rd Aug 2025663 PMAQI
3rd Aug 2025634 PMAQI
3rd Aug 2025625 PMAQI
3rd Aug 2025636 PMAQI
3rd Aug 2025627 PMAQI
3rd Aug 2025648 PMAQI
3rd Aug 2025669 PMAQI
3rd Aug 20256710 PMAQI
3rd Aug 20256611 PMAQI
4th Aug 20256212 AMAQI
4th Aug 2025611 AMAQI
4th Aug 2025612 AMAQI
4th Aug 2025623 AMAQI
4th Aug 2025624 AMAQI
32°C27/37°C
4th Aug 2025635 AMAQI
4th Aug 2025626 AMAQI
4th Aug 2025627 AMAQI
4th Aug 2025648 AMAQI
4th Aug 2025659 AMAQI
4th Aug 20256810 AMAQI
4th Aug 20256811 AMAQI
4th Aug 20256812 PMAQI
4th Aug 2025661 PMAQI
4th Aug 2025642 PMAQI
4th Aug 2025623 PMAQI
4th Aug 2025604 PMAQI
4th Aug 2025585 PMAQI
4th Aug 2025606 PMAQI
4th Aug 2025637 PMAQI
4th Aug 2025638 PMAQI
4th Aug 2025659 PMAQI
4th Aug 20256410 PMAQI
4th Aug 20256311 PMAQI
5th Aug 20256412 AMAQI
5th Aug 2025611 AMAQI
5th Aug 2025602 AMAQI
5th Aug 2025613 AMAQI
5th Aug 2025624 AMAQI
32°C27/38°C
5th Aug 2025615 AMAQI
5th Aug 2025626 AMAQI
5th Aug 2025627 AMAQI
5th Aug 2025648 AMAQI
5th Aug 2025639 AMAQI
5th Aug 20256710 AMAQI
5th Aug 20256711 AMAQI
5th Aug 20257012 PMAQI
5th Aug 2025721 PMAQI
5th Aug 2025642 PMAQI
5th Aug 2025613 PMAQI
5th Aug 2025584 PMAQI
5th Aug 2025615 PMAQI
5th Aug 2025606 PMAQI
5th Aug 2025637 PMAQI
5th Aug 2025628 PMAQI
5th Aug 2025619 PMAQI
5th Aug 20255910 PMAQI
5th Aug 20256011 PMAQI
6th Aug 20256212 AMAQI
6th Aug 2025631 AMAQI
6th Aug 2025622 AMAQI
6th Aug 2025623 AMAQI
6th Aug 2025644 AMAQI
32°C28/37°C
6th Aug 2025625 AMAQI
6th Aug 2025626 AMAQI
6th Aug 2025627 AMAQI
6th Aug 2025508 AMAQI
6th Aug 2025489 AMAQI
6th Aug 20254610 AMAQI
6th Aug 20254911 AMAQI
6th Aug 20254812 PMAQI
6th Aug 2025371 PMAQI
6th Aug 2025382 PMAQI
6th Aug 2025493 PMAQI
6th Aug 2025414 PMAQI
6th Aug 2025355 PMAQI
6th Aug 2025356 PMAQI
6th Aug 2025547 PMAQI
6th Aug 2025578 PMAQI
6th Aug 2025599 PMAQI
6th Aug 20255610 PMAQI
6th Aug 20255711 PMAQI
7th Aug 20255812 AMAQI
7th Aug 2025611 AMAQI
7th Aug 2025612 AMAQI
7th Aug 2025603 AMAQI
7th Aug 2025594 AMAQI
30°C27/35°C
7th Aug 2025595 AMAQI
7th Aug 2025596 AMAQI
7th Aug 2025597 AMAQI
7th Aug 2025428 AMAQI
7th Aug 2025549 AMAQI
7th Aug 20255010 AMAQI
7th Aug 20253411 AMAQI
7th Aug 20254812 PMAQI
7th Aug 2025441 PMAQI
7th Aug 2025282 PMAQI
7th Aug 2025273 PMAQI
7th Aug 2025384 PMAQI
7th Aug 2025345 PMAQI
7th Aug 2025346 PMAQI
7th Aug 2025367 PMAQI
7th Aug 2025538 PMAQI
7th Aug 2025559 PMAQI
7th Aug 20255310 PMAQI
7th Aug 20255011 PMAQI
8th Aug 20255212 AMAQI
8th Aug 2025601 AMAQI
8th Aug 2025602 AMAQI
--°C/°C
5 AM
12 PM
7 PM
12 AM
4 AM
--°C/°C
Day time
Avg. Highest Time
5 AM - 10 AM
59AQI
6 hours / Day
180 hours / Month
Avg. Lowest Time
3 PM - 6 PM
44AQI
4 hours / Day
120 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 5 AM to 10 AM (Avg. 59), while the lowest AQI was between 3 PM to 6 PM (Avg. 44).
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
City Epa, Yiyang, Hunan, China
2025
9%
20
38%
83
42%
91
10%
22
0.9%
2
Total number of days with different AQI categories in last 219 days in 2025 (146 days remaining)
Good
20 DaysModerate
83 DaysPoor
91 DaysUnhealthy
22 DaysSevere
2 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 9%
Health Risk Level:
Extreme
In 2025, 9% of 219 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
City Epa, Yiyang, 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
175AQI
175AQI
2nd January 2025
187AQI
187AQI
3rd January 2025
196AQI
196AQI
4th January 2025
230AQI
230AQI
5th January 2025
161AQI
161AQI
6th January 2025
176AQI
176AQI
7th January 2025
163AQI
163AQI
8th January 2025
142AQI
142AQI
9th January 2025
145AQI
145AQI
10th January 2025
136AQI
136AQI
11th January 2025
133AQI
133AQI
12th January 2025
139AQI
139AQI
13th January 2025
142AQI
142AQI
14th January 2025
163AQI
163AQI
15th January 2025
119AQI
119AQI
16th January 2025
133AQI
133AQI
17th January 2025
131AQI
131AQI
18th January 2025
155AQI
155AQI
19th January 2025
149AQI
149AQI
20th January 2025
161AQI
161AQI
21st January 2025
161AQI
161AQI
22nd January 2025
179AQI
179AQI
23rd January 2025
242AQI
242AQI
24th January 2025
182AQI
182AQI
25th January 2025
116AQI
116AQI
26th January 2025
106AQI
106AQI
27th January 2025
103AQI
103AQI
28th January 2025
144AQI
144AQI
29th January 2025
184AQI
184AQI
30th January 2025
163AQI
163AQI
31st January 2025
166AQI
166AQI
1st February 2025
141AQI
141AQI
2nd February 2025
144AQI
144AQI
3rd February 2025
152AQI
152AQI
4th February 2025
124AQI
124AQI
5th February 2025
137AQI
137AQI
6th February 2025
117AQI
117AQI
7th February 2025
108AQI
108AQI
8th February 2025
81AQI
81AQI
9th February 2025
88AQI
88AQI
10th February 2025
110AQI
110AQI
11th February 2025
128AQI
128AQI
12th February 2025
136AQI
136AQI
13th February 2025
152AQI
152AQI
14th February 2025
142AQI
142AQI
15th February 2025
156AQI
156AQI
16th February 2025
136AQI
136AQI
17th February 2025
108AQI
108AQI
18th February 2025
101AQI
101AQI
19th February 2025
118AQI
118AQI
20th February 2025
143AQI
143AQI
21st February 2025
153AQI
153AQI
22nd February 2025
108AQI
108AQI
23rd February 2025
159AQI
159AQI
24th February 2025
144AQI
144AQI
25th February 2025
148AQI
148AQI
26th February 2025
155AQI
155AQI
27th February 2025
118AQI
118AQI
28th February 2025
137AQI
137AQI
1st March 2025
99AQI
99AQI
2nd March 2025
91AQI
91AQI
3rd March 2025
75AQI
75AQI
4th March 2025
92AQI
92AQI
5th March 2025
95AQI
95AQI
6th March 2025
117AQI
117AQI
7th March 2025
115AQI
115AQI
8th March 2025
110AQI
110AQI
9th March 2025
127AQI
127AQI
10th March 2025
102AQI
102AQI
11th March 2025
113AQI
113AQI
12th March 2025
137AQI
137AQI
13th March 2025
137AQI
137AQI
14th March 2025
100AQI
100AQI
15th March 2025
90AQI
90AQI
16th March 2025
87AQI
87AQI
17th March 2025
80AQI
80AQI
18th March 2025
75AQI
75AQI
19th March 2025
75AQI
75AQI
20th March 2025
74AQI
74AQI
21st March 2025
76AQI
76AQI
22nd March 2025
93AQI
93AQI
23rd March 2025
99AQI
99AQI
24th March 2025
83AQI
83AQI
25th March 2025
108AQI
108AQI
26th March 2025
125AQI
125AQI
27th March 2025
137AQI
137AQI
28th March 2025
107AQI
107AQI
29th March 2025
117AQI
117AQI
30th March 2025
100AQI
100AQI
31st March 2025
101AQI
101AQI
1st April 2025
103AQI
103AQI
2nd April 2025
105AQI
105AQI
3rd April 2025
113AQI
113AQI
4th April 2025
122AQI
122AQI
5th April 2025
129AQI
129AQI
6th April 2025
121AQI
121AQI
7th April 2025
129AQI
129AQI
8th April 2025
130AQI
130AQI
9th April 2025
127AQI
127AQI
10th April 2025
131AQI
131AQI
11th April 2025
117AQI
117AQI
12th April 2025
191AQI
191AQI
13th April 2025
144AQI
144AQI
14th April 2025
148AQI
148AQI
15th April 2025
129AQI
129AQI
16th April 2025
125AQI
125AQI
17th April 2025
123AQI
123AQI
18th April 2025
118AQI
118AQI
19th April 2025
114AQI
114AQI
20th April 2025
140AQI
140AQI
21st April 2025
103AQI
103AQI
22nd April 2025
108AQI
108AQI
23rd April 2025
102AQI
102AQI
24th April 2025
102AQI
102AQI
25th April 2025
103AQI
103AQI
26th April 2025
96AQI
96AQI
27th April 2025
106AQI
106AQI
28th April 2025
111AQI
111AQI
29th April 2025
109AQI
109AQI
30th April 2025
95AQI
95AQI
1st May 2025
93AQI
93AQI
2nd May 2025
98AQI
98AQI
3rd May 2025
105AQI
105AQI
4th May 2025
110AQI
110AQI
5th May 2025
98AQI
98AQI
6th May 2025
111AQI
111AQI
7th May 2025
122AQI
122AQI
8th May 2025
96AQI
96AQI
9th May 2025
97AQI
97AQI
10th May 2025
94AQI
94AQI
11th May 2025
89AQI
89AQI
12th May 2025
94AQI
94AQI
13th May 2025
96AQI
96AQI
14th May 2025
120AQI
120AQI
15th May 2025
110AQI
110AQI
16th May 2025
97AQI
97AQI
17th May 2025
101AQI
101AQI
18th May 2025
114AQI
114AQI
19th May 2025
107AQI
107AQI
20th May 2025
97AQI
97AQI
21st May 2025
91AQI
91AQI
22nd May 2025
89AQI
89AQI
23rd May 2025
102AQI
102AQI
24th May 2025
114AQI
114AQI
25th May 2025
122AQI
122AQI
26th May 2025
110AQI
110AQI
27th May 2025
125AQI
125AQI
28th May 2025
93AQI
93AQI
29th May 2025
91AQI
91AQI
30th May 2025
87AQI
87AQI
31st May 2025
87AQI
87AQI
1st June 2025
77AQI
77AQI
2nd June 2025
96AQI
96AQI
3rd June 2025
92AQI
92AQI
4th June 2025
119AQI
119AQI
5th June 2025
91AQI
91AQI
6th June 2025
101AQI
101AQI
7th June 2025
86AQI
86AQI
8th June 2025
91AQI
91AQI
9th June 2025
84AQI
84AQI
10th June 2025
86AQI
86AQI
11th June 2025
91AQI
91AQI
12th June 2025
89AQI
89AQI
13th June 2025
87AQI
87AQI
14th June 2025
85AQI
85AQI
15th June 2025
85AQI
85AQI
16th June 2025
79AQI
79AQI
17th June 2025
77AQI
77AQI
18th June 2025
56AQI
56AQI
19th June 2025
50AQI
50AQI
20th June 2025
52AQI
52AQI
21st June 2025
46AQI
46AQI
22nd June 2025
36AQI
36AQI
23rd June 2025
38AQI
38AQI
24th June 2025
47AQI
47AQI
25th June 2025
50AQI
50AQI
26th June 2025
53AQI
53AQI
27th June 2025
53AQI
53AQI
28th June 2025
46AQI
46AQI
29th June 2025
46AQI
46AQI
30th June 2025
43AQI
43AQI
1st July 2025
40AQI
40AQI
2nd July 2025
35AQI
35AQI
3rd July 2025
41AQI
41AQI
4th July 2025
43AQI
43AQI
5th July 2025
49AQI
49AQI
6th July 2025
55AQI
55AQI
7th July 2025
61AQI
61AQI
8th July 2025
67AQI
67AQI
9th July 2025
60AQI
60AQI
10th July 2025
50AQI
50AQI
11th July 2025
64AQI
64AQI
12th July 2025
57AQI
57AQI
13th July 2025
57AQI
57AQI
14th July 2025
53AQI
53AQI
15th July 2025
56AQI
56AQI
16th July 2025
53AQI
53AQI
17th July 2025
59AQI
59AQI
18th July 2025
58AQI
58AQI
19th July 2025
56AQI
56AQI
20th July 2025
59AQI
59AQI
21st July 2025
47AQI
47AQI
22nd July 2025
45AQI
45AQI
23rd July 2025
43AQI
43AQI
24th July 2025
43AQI
43AQI
25th July 2025
46AQI
46AQI
26th July 2025
52AQI
52AQI
27th July 2025
52AQI
52AQI
28th July 2025
53AQI
53AQI
29th July 2025
51AQI
51AQI
30th July 2025
53AQI
53AQI
31st July 2025
54AQI
54AQI
1st August 2025
64AQI
64AQI
2nd August 2025
67AQI
67AQI
3rd August 2025
64AQI
64AQI
4th August 2025
63AQI
63AQI
5th August 2025
62AQI
62AQI
6th August 2025
54AQI
54AQI
157AQI
130AQI
101AQI
120AQI
102AQI
71AQI
52AQI
62AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
2025103AQI
14
15
2
2
20
6
17
14
2
27
1
17
14
9
19
2
11
20
6
20
83
91
22
2
Highest AQI recorded in
January157AQI
Lowest AQI recorded in
July52AQI
2024103AQI
2
12
17
1
6
11
10
1
1
11
11
8
16
14
1
22
8
13
16
1
24
7
12
19
1
13
14
2
1
10
15
5
2
7
6
15
14
17
56
129
106
74
1
Highest AQI recorded in
January150AQI
Lowest AQI recorded in
July44AQI
2023103AQI
2
10
12
7
2
12
14
12
15
4
3
19
7
1
1
21
9
6
20
4
20
11
6
19
6
4
20
5
1
1
11
15
4
1
7
14
4
1
7
14
6
3
43
151
111
46
10
Highest AQI recorded in
January171AQI
Lowest AQI recorded in
July53AQI
2022106AQI
3
10
15
3
5
9
7
3
14
12
2
12
5
22
8
1
10
18
2
14
8
1
15
12
6
6
16
3
7
19
4
2
13
16
34
112
106
48
3
Highest AQI recorded in
January157AQI
Lowest AQI recorded in
August41AQI
202193AQI
1
12
16
2
8
12
8
11
19
1
16
14
8
17
6
14
15
1
25
6
13
8
9
20
1
9
14
6
2
2
12
9
7
4
16
8
2
80
132
96
42
4
Highest AQI recorded in
January157AQI
Lowest AQI recorded in
July43AQI
202097AQI
1
6
3
3
10
8
3
9
9
9
20
1
10
15
5
1
13
15
3
4
19
7
4
8
14
5
9
12
9
2
4
24
1
41
113
66
45
1
Highest AQI recorded in
December168AQI
Lowest AQI recorded in
August59AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2022(Avg.)
106AQILeast Polluted Year Recorded
2021(Avg.)
93AQICity Epa's annual 2025 AQI (103) shows an average percentage change of 3.1% (worsened AQI) compared to previous years: 2020 (97), 2021 (93), 2022 (106), 2023 (103), 2024 (103).
