Yongan Station, Hangzhou, 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+
August Air Quality Analysis
Yongan Station, Hangzhou, Zhejiang, China
2021
2022
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
19th Aug 2021
103AQILowest AQI recorded on
5th Aug 2021
31AQISame Day Analysis (21st August ):
On this day, AQI across the 4 years varied significantly: 2025 ranks 2nd highest AQI at 54 of Moderate air quality, showing improvement over 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 21st Aug - 22nd Aug 2025
Yongan Station, Hangzhou, Zhejiang, China
AQI
Day
Night
.
5 AM21st Aug 2025
6 PM
4 AM22nd Aug 2025
Day time
Avg. Highest Time
12AMNaNth undefined
AQI
Avg. Lowest Time
12AMNaNth undefined
AQI
Night time
Avg. Highest Time
5PM21st Aug
98AQI
Avg. Lowest Time
2AM22nd Aug
54AQI
In the last 24 hours,
Yongan Station's AQI reached its highest point of 98 at 5 PM during the Night, while the lowest point, 54, was recorded at 2 AM during the Night between 21st Aug and 22nd Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Yongan Station, Hangzhou, Zhejiang, China
JulAug
23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd
Day
Night
23rd Jul 2025525 AMAQI
23rd Jul 2025526 AMAQI
23rd Jul 2025537 AMAQI
23rd Jul 2025388 AMAQI
23rd Jul 2025369 AMAQI
23rd Jul 20253810 AMAQI
23rd Jul 20253411 AMAQI
23rd Jul 20253612 PMAQI
23rd Jul 2025391 PMAQI
23rd Jul 2025372 PMAQI
23rd Jul 2025363 PMAQI
23rd Jul 2025344 PMAQI
23rd Jul 2025345 PMAQI
23rd Jul 2025366 PMAQI
23rd Jul 2025447 PMAQI
23rd Jul 2025488 PMAQI
23rd Jul 2025489 PMAQI
23rd Jul 20254810 PMAQI
23rd Jul 20255111 PMAQI
24th Jul 20255012 AMAQI
24th Jul 2025501 AMAQI
24th Jul 2025522 AMAQI
24th Jul 2025523 AMAQI
24th Jul 2025524 AMAQI
28°C24/32°C
24th Jul 2025515 AMAQI
24th Jul 2025506 AMAQI
24th Jul 2025517 AMAQI
24th Jul 2025478 AMAQI
24th Jul 2025489 AMAQI
24th Jul 20254710 AMAQI
24th Jul 20254211 AMAQI
24th Jul 20254212 PMAQI
24th Jul 2025401 PMAQI
24th Jul 2025402 PMAQI
24th Jul 2025333 PMAQI
24th Jul 2025424 PMAQI
24th Jul 2025405 PMAQI
24th Jul 2025426 PMAQI
24th Jul 2025457 PMAQI
24th Jul 2025528 PMAQI
24th Jul 2025529 PMAQI
24th Jul 20255110 PMAQI
24th Jul 20255211 PMAQI
25th Jul 20255012 AMAQI
25th Jul 2025521 AMAQI
25th Jul 2025522 AMAQI
25th Jul 2025513 AMAQI
25th Jul 2025494 AMAQI
28°C24/32°C
25th Jul 2025505 AMAQI
25th Jul 2025506 AMAQI
25th Jul 2025497 AMAQI
25th Jul 2025468 AMAQI
25th Jul 2025469 AMAQI
25th Jul 20254710 AMAQI
25th Jul 20255111 AMAQI
25th Jul 20255312 PMAQI
25th Jul 2025551 PMAQI
25th Jul 2025532 PMAQI
25th Jul 2025503 PMAQI
25th Jul 2025524 PMAQI
25th Jul 2025525 PMAQI
25th Jul 2025506 PMAQI
25th Jul 2025527 PMAQI
25th Jul 2025508 PMAQI
25th Jul 2025489 PMAQI
25th Jul 20254910 PMAQI
25th Jul 20254811 PMAQI
26th Jul 20254512 AMAQI
26th Jul 2025501 AMAQI
26th Jul 2025492 AMAQI
26th Jul 2025503 AMAQI
26th Jul 2025514 AMAQI
27°C24/31°C
26th Jul 2025505 AMAQI
26th Jul 2025506 AMAQI
26th Jul 2025507 AMAQI
26th Jul 2025368 AMAQI
26th Jul 2025279 AMAQI
26th Jul 20252610 AMAQI
26th Jul 20252811 AMAQI
26th Jul 20253312 PMAQI
26th Jul 2025361 PMAQI
26th Jul 2025352 PMAQI
26th Jul 2025343 PMAQI
26th Jul 2025364 PMAQI
26th Jul 2025385 PMAQI
26th Jul 2025406 PMAQI
26th Jul 2025427 PMAQI
26th Jul 2025458 PMAQI
26th Jul 2025459 PMAQI
26th Jul 20254410 PMAQI
26th Jul 20254311 PMAQI
27th Jul 20254312 AMAQI
27th Jul 2025481 AMAQI
27th Jul 2025502 AMAQI
27th Jul 2025493 AMAQI
27th Jul 2025444 AMAQI
27°C25/30°C
27th Jul 2025455 AMAQI
27th Jul 2025456 AMAQI
27th Jul 2025467 AMAQI
27th Jul 2025408 AMAQI
27th Jul 2025419 AMAQI
27th Jul 20254210 AMAQI
27th Jul 20254211 AMAQI
27th Jul 20254212 PMAQI
27th Jul 2025461 PMAQI
27th Jul 2025442 PMAQI
27th Jul 2025403 PMAQI
27th Jul 2025404 PMAQI
27th Jul 2025425 PMAQI
27th Jul 2025416 PMAQI
27th Jul 2025447 PMAQI
27th Jul 2025428 PMAQI
27th Jul 2025419 PMAQI
27th Jul 20254010 PMAQI
27th Jul 20254211 PMAQI
28th Jul 20254312 AMAQI
28th Jul 2025481 AMAQI
28th Jul 2025472 AMAQI
28th Jul 2025473 AMAQI
28th Jul 2025444 AMAQI
27°C25/31°C
28th Jul 2025445 AMAQI
28th Jul 2025446 AMAQI
28th Jul 2025447 AMAQI
28th Jul 2025328 AMAQI
28th Jul 2025399 AMAQI
28th Jul 20253910 AMAQI
28th Jul 20253411 AMAQI
28th Jul 20253712 PMAQI
28th Jul 2025341 PMAQI
28th Jul 2025382 PMAQI
28th Jul 2025323 PMAQI
28th Jul 2025324 PMAQI
28th Jul 2025355 PMAQI
28th Jul 2025356 PMAQI
28th Jul 2025427 PMAQI
28th Jul 2025468 PMAQI
28th Jul 2025469 PMAQI
28th Jul 20254810 PMAQI
28th Jul 20254811 PMAQI
29th Jul 20254912 AMAQI
29th Jul 2025461 AMAQI
29th Jul 2025452 AMAQI
29th Jul 2025443 AMAQI
29th Jul 2025454 AMAQI
27°C25/30°C
29th Jul 2025435 AMAQI
29th Jul 2025436 AMAQI
29th Jul 2025437 AMAQI
29th Jul 2025458 AMAQI
29th Jul 2025429 AMAQI
29th Jul 20254410 AMAQI
29th Jul 20254511 AMAQI
29th Jul 20254812 PMAQI
29th Jul 2025481 PMAQI
29th Jul 2025492 PMAQI
29th Jul 2025503 PMAQI
29th Jul 2025504 PMAQI
29th Jul 2025505 PMAQI
29th Jul 2025506 PMAQI
29th Jul 2025487 PMAQI
29th Jul 2025488 PMAQI
29th Jul 2025469 PMAQI
29th Jul 20254710 PMAQI
29th Jul 20254911 PMAQI
30th Jul 20254812 AMAQI
30th Jul 2025461 AMAQI
30th Jul 2025462 AMAQI
30th Jul 2025463 AMAQI
30th Jul 2025444 AMAQI
27°C24/31°C
30th Jul 2025465 AMAQI
30th Jul 2025446 AMAQI
30th Jul 2025447 AMAQI
30th Jul 2025308 AMAQI
30th Jul 2025239 AMAQI
30th Jul 20252410 AMAQI
30th Jul 20252011 AMAQI
30th Jul 20252412 PMAQI
30th Jul 2025261 PMAQI
30th Jul 2025262 PMAQI
30th Jul 2025223 PMAQI
30th Jul 2025234 PMAQI
30th Jul 2025225 PMAQI
30th Jul 2025226 PMAQI
30th Jul 2025297 PMAQI
30th Jul 2025388 PMAQI
30th Jul 2025389 PMAQI
30th Jul 20253810 PMAQI
30th Jul 20253611 PMAQI
31st Jul 20253712 AMAQI
31st Jul 2025411 AMAQI
31st Jul 2025422 AMAQI
31st Jul 2025443 AMAQI
31st Jul 2025444 AMAQI
24°C23/26°C
31st Jul 2025445 AMAQI
31st Jul 2025446 AMAQI
31st Jul 2025447 AMAQI
31st Jul 2025448 AMAQI
31st Jul 2025449 AMAQI
31st Jul 20252810 AMAQI
31st Jul 20252211 AMAQI
31st Jul 20252412 PMAQI
31st Jul 2025231 PMAQI
31st Jul 2025272 PMAQI
31st Jul 2025333 PMAQI
31st Jul 2025334 PMAQI
31st Jul 2025425 PMAQI
31st Jul 2025406 PMAQI
31st Jul 2025497 PMAQI
31st Jul 2025518 PMAQI
31st Jul 2025529 PMAQI
31st Jul 20255210 PMAQI
31st Jul 20255111 PMAQI
1st Aug 20255212 AMAQI
1st Aug 2025501 AMAQI
1st Aug 2025502 AMAQI
1st Aug 2025453 AMAQI
1st Aug 2025444 AMAQI
25°C22/30°C
1st Aug 2025445 AMAQI
1st Aug 2025486 AMAQI
1st Aug 2025457 AMAQI
1st Aug 2025568 AMAQI
1st Aug 2025669 AMAQI
1st Aug 20256710 AMAQI
1st Aug 20256411 AMAQI
1st Aug 20256612 PMAQI
1st Aug 2025621 PMAQI
1st Aug 2025582 PMAQI
1st Aug 2025563 PMAQI
1st Aug 2025584 PMAQI
1st Aug 2025575 PMAQI
1st Aug 2025626 PMAQI
1st Aug 2025557 PMAQI
1st Aug 2025518 PMAQI
1st Aug 2025529 PMAQI
1st Aug 20255310 PMAQI
1st Aug 20255511 PMAQI
2nd Aug 20255212 AMAQI
2nd Aug 2025501 AMAQI
2nd Aug 2025492 AMAQI
2nd Aug 2025513 AMAQI
2nd Aug 2025524 AMAQI
28°C24/34°C
2nd Aug 2025525 AMAQI
2nd Aug 2025536 AMAQI
2nd Aug 2025537 AMAQI
2nd Aug 2025708 AMAQI
2nd Aug 2025699 AMAQI
2nd Aug 20256110 AMAQI
2nd Aug 20256011 AMAQI
2nd Aug 20256512 PMAQI
2nd Aug 2025601 PMAQI
2nd Aug 2025602 PMAQI
2nd Aug 2025593 PMAQI
2nd Aug 2025594 PMAQI
2nd Aug 2025565 PMAQI
2nd Aug 2025586 PMAQI
2nd Aug 2025557 PMAQI
2nd Aug 2025568 PMAQI
2nd Aug 2025579 PMAQI
2nd Aug 20255610 PMAQI
2nd Aug 20255611 PMAQI
3rd Aug 20255412 AMAQI
3rd Aug 2025531 AMAQI
3rd Aug 2025512 AMAQI
3rd Aug 2025543 AMAQI
3rd Aug 2025564 AMAQI
28°C25/34°C
3rd Aug 2025555 AMAQI
3rd Aug 2025566 AMAQI
3rd Aug 2025567 AMAQI
3rd Aug 2025628 AMAQI
3rd Aug 2025629 AMAQI
3rd Aug 20256310 AMAQI
3rd Aug 20257011 AMAQI
3rd Aug 20256712 PMAQI
3rd Aug 2025671 PMAQI
3rd Aug 2025602 PMAQI
3rd Aug 2025623 PMAQI
3rd Aug 2025584 PMAQI
3rd Aug 2025575 PMAQI
3rd Aug 2025546 PMAQI
3rd Aug 2025547 PMAQI
3rd Aug 2025568 PMAQI
3rd Aug 2025579 PMAQI
3rd Aug 20255810 PMAQI
3rd Aug 20255611 PMAQI
4th Aug 20255512 AMAQI
4th Aug 2025541 AMAQI
4th Aug 2025542 AMAQI
4th Aug 2025563 AMAQI
4th Aug 2025564 AMAQI
29°C25/34°C
4th Aug 2025565 AMAQI
4th Aug 2025566 AMAQI
4th Aug 2025577 AMAQI
4th Aug 2025728 AMAQI
4th Aug 2025769 AMAQI
4th Aug 20257810 AMAQI
4th Aug 20257111 AMAQI
4th Aug 20257212 PMAQI
4th Aug 2025771 PMAQI
4th Aug 2025692 PMAQI
4th Aug 2025713 PMAQI
4th Aug 2025634 PMAQI
4th Aug 2025555 PMAQI
4th Aug 2025626 PMAQI
4th Aug 2025577 PMAQI
4th Aug 2025528 PMAQI
4th Aug 2025549 PMAQI
4th Aug 20255510 PMAQI
4th Aug 20255711 PMAQI
5th Aug 20255512 AMAQI
5th Aug 2025551 AMAQI
5th Aug 2025552 AMAQI
5th Aug 2025573 AMAQI
5th Aug 2025604 AMAQI
29°C26/34°C
5th Aug 2025595 AMAQI
5th Aug 2025606 AMAQI
5th Aug 2025607 AMAQI
5th Aug 2025588 AMAQI
5th Aug 2025589 AMAQI
5th Aug 20255710 AMAQI
5th Aug 20256511 AMAQI
5th Aug 20255612 PMAQI
5th Aug 2025581 PMAQI
5th Aug 2025602 PMAQI
5th Aug 2025643 PMAQI
5th Aug 2025544 PMAQI
5th Aug 2025585 PMAQI
5th Aug 2025576 PMAQI
5th Aug 2025587 PMAQI
5th Aug 2025558 PMAQI
5th Aug 2025579 PMAQI
5th Aug 20255610 PMAQI
5th Aug 20255611 PMAQI
6th Aug 20255512 AMAQI
6th Aug 2025561 AMAQI
6th Aug 2025562 AMAQI
6th Aug 2025563 AMAQI
6th Aug 2025564 AMAQI
30°C26/35°C
6th Aug 2025575 AMAQI
6th Aug 2025566 AMAQI
6th Aug 2025577 AMAQI
6th Aug 2025518 AMAQI
6th Aug 2025449 AMAQI
6th Aug 20255010 AMAQI
6th Aug 20255211 AMAQI
6th Aug 20255212 PMAQI
6th Aug 2025531 PMAQI
6th Aug 2025542 PMAQI
6th Aug 2025463 PMAQI
6th Aug 2025524 PMAQI
6th Aug 2025535 PMAQI
6th Aug 2025516 PMAQI
6th Aug 2025517 PMAQI
6th Aug 2025538 PMAQI
6th Aug 2025539 PMAQI
6th Aug 20255310 PMAQI
6th Aug 20255411 PMAQI
7th Aug 20255412 AMAQI
7th Aug 2025551 AMAQI
7th Aug 2025552 AMAQI
7th Aug 2025573 AMAQI
7th Aug 2025554 AMAQI
30°C26/36°C
7th Aug 2025565 AMAQI
7th Aug 2025556 AMAQI
7th Aug 2025567 AMAQI
7th Aug 2025478 AMAQI
7th Aug 2025549 AMAQI
7th Aug 20255510 AMAQI
7th Aug 20255111 AMAQI
7th Aug 20255012 PMAQI
7th Aug 2025481 PMAQI
7th Aug 2025332 PMAQI
7th Aug 2025353 PMAQI
7th Aug 2025324 PMAQI
7th Aug 2025345 PMAQI
7th Aug 2025356 PMAQI
7th Aug 2025437 PMAQI
7th Aug 2025528 PMAQI
7th Aug 2025529 PMAQI
7th Aug 20255210 PMAQI
7th Aug 20255211 PMAQI
8th Aug 20255212 AMAQI
8th Aug 2025541 AMAQI
8th Aug 2025552 AMAQI
8th Aug 2025543 AMAQI
8th Aug 2025544 AMAQI
30°C26/34°C
8th Aug 2025545 AMAQI
8th Aug 2025546 AMAQI
8th Aug 2025547 AMAQI
8th Aug 2025518 AMAQI
8th Aug 2025529 AMAQI
8th Aug 20255110 AMAQI
8th Aug 20255011 AMAQI
8th Aug 20255012 PMAQI
8th Aug 2025421 PMAQI
8th Aug 2025422 PMAQI
8th Aug 2025413 PMAQI
8th Aug 2025464 PMAQI
8th Aug 2025445 PMAQI
8th Aug 2025456 PMAQI
8th Aug 2025527 PMAQI
8th Aug 2025538 PMAQI
8th Aug 2025549 PMAQI
8th Aug 20255410 PMAQI
8th Aug 20255411 PMAQI
9th Aug 20255512 AMAQI
9th Aug 2025531 AMAQI
9th Aug 2025542 AMAQI
9th Aug 2025533 AMAQI
9th Aug 2025534 AMAQI
30°C26/36°C
9th Aug 2025535 AMAQI
9th Aug 2025536 AMAQI
9th Aug 2025537 AMAQI
9th Aug 2025548 AMAQI
9th Aug 2025549 AMAQI
9th Aug 20255110 AMAQI
9th Aug 20254811 AMAQI
9th Aug 20255212 PMAQI
9th Aug 2025531 PMAQI
9th Aug 2025512 PMAQI
9th Aug 2025523 PMAQI
9th Aug 2025534 PMAQI
9th Aug 2025545 PMAQI
9th Aug 2025546 PMAQI
9th Aug 2025557 PMAQI
9th Aug 2025558 PMAQI
9th Aug 2025569 PMAQI
9th Aug 20255610 PMAQI
9th Aug 20255811 PMAQI
10th Aug 20255712 AMAQI
10th Aug 2025541 AMAQI
10th Aug 2025542 AMAQI
10th Aug 2025543 AMAQI
10th Aug 2025544 AMAQI
31°C26/37°C
10th Aug 2025545 AMAQI
10th Aug 2025546 AMAQI
10th Aug 2025547 AMAQI
10th Aug 2025558 AMAQI
10th Aug 2025599 AMAQI
10th Aug 20255810 AMAQI
10th Aug 20256111 AMAQI
10th Aug 20256712 PMAQI
10th Aug 2025681 PMAQI
10th Aug 2025672 PMAQI
10th Aug 2025663 PMAQI
10th Aug 2025674 PMAQI
10th Aug 2025695 PMAQI
10th Aug 2025656 PMAQI
10th Aug 2025617 PMAQI
10th Aug 2025588 PMAQI
10th Aug 2025599 PMAQI
10th Aug 20255810 PMAQI
10th Aug 20256011 PMAQI
11th Aug 20256112 AMAQI
11th Aug 2025561 AMAQI
11th Aug 2025552 AMAQI
11th Aug 2025563 AMAQI
11th Aug 2025584 AMAQI
29°C26/32°C
11th Aug 2025575 AMAQI
11th Aug 2025576 AMAQI
11th Aug 2025587 AMAQI
11th Aug 2025728 AMAQI
11th Aug 2025749 AMAQI
11th Aug 20257610 AMAQI
11th Aug 20257011 AMAQI
11th Aug 20256912 PMAQI
11th Aug 2025691 PMAQI
11th Aug 2025622 PMAQI
11th Aug 2025633 PMAQI
11th Aug 2025584 PMAQI
11th Aug 2025565 PMAQI
11th Aug 2025526 PMAQI
11th Aug 2025517 PMAQI
11th Aug 2025568 PMAQI
11th Aug 2025549 PMAQI
11th Aug 20255410 PMAQI
11th Aug 20255611 PMAQI
12th Aug 20255412 AMAQI
12th Aug 2025561 AMAQI
12th Aug 2025562 AMAQI
12th Aug 2025583 AMAQI
12th Aug 2025584 AMAQI
29°C25/36°C
12th Aug 2025585 AMAQI
12th Aug 2025606 AMAQI
12th Aug 2025587 AMAQI
12th Aug 2025548 AMAQI
12th Aug 2025569 AMAQI
12th Aug 20255710 AMAQI
12th Aug 20256611 AMAQI
12th Aug 20257012 PMAQI
12th Aug 2025671 PMAQI
12th Aug 2025662 PMAQI
12th Aug 2025713 PMAQI
12th Aug 2025644 PMAQI
12th Aug 2025625 PMAQI
12th Aug 2025616 PMAQI
12th Aug 2025597 PMAQI
12th Aug 2025588 PMAQI
12th Aug 2025609 PMAQI
12th Aug 20256010 PMAQI
12th Aug 20255911 PMAQI
13th Aug 20255712 AMAQI
13th Aug 2025561 AMAQI
13th Aug 2025562 AMAQI
13th Aug 2025583 AMAQI
13th Aug 2025584 AMAQI
29°C25/35°C
13th Aug 2025585 AMAQI
13th Aug 2025586 AMAQI
13th Aug 2025587 AMAQI
13th Aug 2025468 AMAQI
13th Aug 2025489 AMAQI
13th Aug 20252810 AMAQI
13th Aug 20253611 AMAQI
13th Aug 20254412 PMAQI
13th Aug 2025551 PMAQI
13th Aug 2025522 PMAQI
13th Aug 2025483 PMAQI
13th Aug 2025544 PMAQI
13th Aug 2025455 PMAQI
13th Aug 2025496 PMAQI
13th Aug 2025557 PMAQI
13th Aug 2025568 PMAQI
13th Aug 2025549 PMAQI
13th Aug 20255310 PMAQI
13th Aug 20255311 PMAQI
14th Aug 20255412 AMAQI
14th Aug 2025571 AMAQI
14th Aug 2025562 AMAQI
14th Aug 2025563 AMAQI
14th Aug 2025564 AMAQI
29°C25/35°C
14th Aug 2025565 AMAQI
14th Aug 2025566 AMAQI
14th Aug 2025567 AMAQI
14th Aug 2025358 AMAQI
14th Aug 2025249 AMAQI
14th Aug 20252710 AMAQI
14th Aug 20253111 AMAQI
14th Aug 20252912 PMAQI
14th Aug 2025311 PMAQI
14th Aug 2025332 PMAQI
14th Aug 2025263 PMAQI
14th Aug 2025274 PMAQI
14th Aug 2025335 PMAQI
14th Aug 2025286 PMAQI
14th Aug 2025377 PMAQI
14th Aug 2025468 PMAQI
14th Aug 2025509 PMAQI
14th Aug 20254810 PMAQI
14th Aug 20255011 PMAQI
15th Aug 20255312 AMAQI
15th Aug 2025561 AMAQI
15th Aug 2025562 AMAQI
15th Aug 2025543 AMAQI
15th Aug 2025544 AMAQI
29°C25/35°C
15th Aug 2025535 AMAQI
15th Aug 2025536 AMAQI
15th Aug 2025527 AMAQI
15th Aug 2025358 AMAQI
15th Aug 2025319 AMAQI
15th Aug 20253210 AMAQI
15th Aug 20252811 AMAQI
15th Aug 20252612 PMAQI
15th Aug 2025291 PMAQI
15th Aug 2025282 PMAQI
15th Aug 2025303 PMAQI
15th Aug 2025314 PMAQI
15th Aug 2025365 PMAQI
15th Aug 2025306 PMAQI
15th Aug 2025427 PMAQI
15th Aug 2025508 PMAQI
15th Aug 2025509 PMAQI
15th Aug 20254610 PMAQI
15th Aug 20254611 PMAQI
16th Aug 20255112 AMAQI
16th Aug 2025531 AMAQI
16th Aug 2025542 AMAQI
16th Aug 2025523 AMAQI
16th Aug 2025504 AMAQI
29°C25/35°C
16th Aug 2025525 AMAQI
16th Aug 2025506 AMAQI
16th Aug 2025517 AMAQI
16th Aug 2025368 AMAQI
16th Aug 2025349 AMAQI
16th Aug 20254210 AMAQI
16th Aug 20254011 AMAQI
16th Aug 20254212 PMAQI
16th Aug 2025361 PMAQI
16th Aug 2025382 PMAQI
16th Aug 2025383 PMAQI
16th Aug 2025374 PMAQI
16th Aug 2025465 PMAQI
16th Aug 2025476 PMAQI
16th Aug 2025467 PMAQI
16th Aug 2025518 PMAQI
16th Aug 2025549 PMAQI
16th Aug 20255410 PMAQI
16th Aug 20255411 PMAQI
17th Aug 20255212 AMAQI
17th Aug 2025521 AMAQI
17th Aug 2025512 AMAQI
17th Aug 2025503 AMAQI
17th Aug 2025484 AMAQI
29°C25/35°C
17th Aug 2025495 AMAQI
17th Aug 2025486 AMAQI
17th Aug 2025477 AMAQI
17th Aug 2025478 AMAQI
17th Aug 2025549 AMAQI
17th Aug 20255410 AMAQI
17th Aug 20254211 AMAQI
17th Aug 20254512 PMAQI
17th Aug 2025441 PMAQI
17th Aug 2025542 PMAQI
17th Aug 2025503 PMAQI
17th Aug 2025514 PMAQI
17th Aug 2025525 PMAQI
17th Aug 2025536 PMAQI
17th Aug 2025567 PMAQI
17th Aug 2025548 PMAQI
17th Aug 2025569 PMAQI
17th Aug 20255410 PMAQI
17th Aug 20255511 PMAQI
18th Aug 20255212 AMAQI
18th Aug 2025491 AMAQI
18th Aug 2025512 AMAQI
18th Aug 2025513 AMAQI
18th Aug 2025504 AMAQI
29°C24/35°C
18th Aug 2025495 AMAQI
18th Aug 2025516 AMAQI
18th Aug 2025507 AMAQI
18th Aug 2025598 AMAQI
18th Aug 2025529 AMAQI
18th Aug 20254810 AMAQI
18th Aug 20254811 AMAQI
18th Aug 20254412 PMAQI
18th Aug 2025531 PMAQI
18th Aug 2025522 PMAQI
18th Aug 2025523 PMAQI
18th Aug 2025524 PMAQI
18th Aug 2025485 PMAQI
18th Aug 2025516 PMAQI
18th Aug 2025517 PMAQI
18th Aug 2025548 PMAQI
18th Aug 2025539 PMAQI
18th Aug 20255210 PMAQI
18th Aug 20255111 PMAQI
19th Aug 20255212 AMAQI
19th Aug 2025511 AMAQI
19th Aug 2025522 AMAQI
19th Aug 2025513 AMAQI
19th Aug 2025524 AMAQI
29°C25/36°C
19th Aug 2025515 AMAQI
19th Aug 2025516 AMAQI
19th Aug 2025507 AMAQI
19th Aug 2025568 AMAQI
19th Aug 2025559 AMAQI
19th Aug 20255610 AMAQI
19th Aug 20255211 AMAQI
19th Aug 20255512 PMAQI
19th Aug 2025571 PMAQI
19th Aug 2025572 PMAQI
19th Aug 2025543 PMAQI
19th Aug 2025544 PMAQI
19th Aug 2025565 PMAQI
19th Aug 2025596 PMAQI
19th Aug 2025557 PMAQI
19th Aug 2025548 PMAQI
19th Aug 2025589 PMAQI
19th Aug 20255910 PMAQI
19th Aug 20255811 PMAQI
20th Aug 20255412 AMAQI
20th Aug 2025521 AMAQI
20th Aug 2025512 AMAQI
20th Aug 2025523 AMAQI
20th Aug 2025524 AMAQI
30°C26/37°C
20th Aug 2025525 AMAQI
20th Aug 2025526 AMAQI
20th Aug 2025527 AMAQI
20th Aug 2025608 AMAQI
20th Aug 2025659 AMAQI
20th Aug 20256010 AMAQI
20th Aug 20256011 AMAQI
20th Aug 20256212 PMAQI
20th Aug 2025651 PMAQI
20th Aug 2025652 PMAQI
20th Aug 2025593 PMAQI
20th Aug 2025614 PMAQI
20th Aug 2025635 PMAQI
20th Aug 2025696 PMAQI
20th Aug 2025627 PMAQI
20th Aug 2025578 PMAQI
20th Aug 2025599 PMAQI
20th Aug 20256310 PMAQI
20th Aug 20256111 PMAQI
21st Aug 20255812 AMAQI
21st Aug 2025521 AMAQI
21st Aug 2025522 AMAQI
21st Aug 2025533 AMAQI
21st Aug 2025534 AMAQI
30°C26/37°C
21st Aug 2025545 AMAQI
21st Aug 2025546 AMAQI
21st Aug 2025547 AMAQI
21st Aug 2025658 AMAQI
21st Aug 2025579 AMAQI
21st Aug 20256310 AMAQI
21st Aug 20256311 AMAQI
21st Aug 20256212 PMAQI
21st Aug 2025631 PMAQI
21st Aug 2025722 PMAQI
21st Aug 2025683 PMAQI
21st Aug 2025674 PMAQI
21st Aug 2025985 PMAQI
21st Aug 2025896 PMAQI
21st Aug 2025647 PMAQI
21st Aug 2025658 PMAQI
21st Aug 2025629 PMAQI
21st Aug 20256110 PMAQI
21st Aug 20255911 PMAQI
22nd Aug 20255612 AMAQI
22nd Aug 2025541 AMAQI
22nd Aug 2025542 AMAQI
22nd Aug 2025553 AMAQI
22nd Aug 2025564 AMAQI
--°C/°C
22nd Aug 2025565 AMAQI
5 AM11 AM
6 PM
11 PM
4 AM
--°C/°C
Day time
Avg. Highest Time
5 AM - 7 AM
52AQI
3 hours / Day
90 hours / Month
Avg. Lowest Time
8 AM - 4 PM
49AQI
9 hours / Day
270 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 5 AM to 7 AM (Avg. 52), while the lowest AQI was between 8 AM to 4 PM (Avg. 49).
Night time
Avg. Highest Time
8 PM - 11 PM
53AQI
4 hours / Day
120 hours / Month
Avg. Lowest Time
7 PM
50AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 8 PM to 11 PM (Avg. 53), while the lowest AQI was between 7 PM to 7 PM (Avg. 50).
2025 Days Vs Air Quality
Yongan Station, Hangzhou, Zhejiang, China
2025
11%
25
59%
138
26%
61
3%
8
0.4%
1
Total number of days with different AQI categories in last 233 days in 2025 (132 days remaining)
Good
25 DaysModerate
138 DaysPoor
61 DaysUnhealthy
8 DaysSevere
1 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 11%
Health Risk Level:
Extreme
In 2025, 11% of 233 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
Yongan Station, Hangzhou, 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
151AQI
151AQI
2nd January 2025
139AQI
139AQI
3rd January 2025
151AQI
151AQI
4th January 2025
144AQI
144AQI
5th January 2025
160AQI
160AQI
6th January 2025
144AQI
144AQI
7th January 2025
130AQI
130AQI
8th January 2025
134AQI
134AQI
9th January 2025
97AQI
97AQI
10th January 2025
102AQI
102AQI
11th January 2025
112AQI
112AQI
12th January 2025
125AQI
125AQI
13th January 2025
138AQI
138AQI
14th January 2025
149AQI
149AQI
15th January 2025
85AQI
85AQI
16th January 2025
111AQI
111AQI
17th January 2025
117AQI
117AQI
18th January 2025
144AQI
144AQI
19th January 2025
146AQI
146AQI
20th January 2025
168AQI
168AQI
21st January 2025
178AQI
178AQI
22nd January 2025
161AQI
161AQI
23rd January 2025
140AQI
140AQI
24th January 2025
108AQI
108AQI
25th January 2025
87AQI
87AQI
26th January 2025
95AQI
95AQI
27th January 2025
66AQI
66AQI
28th January 2025
83AQI
83AQI
29th January 2025
123AQI
123AQI
30th January 2025
114AQI
114AQI
31st January 2025
134AQI
134AQI
1st February 2025
75AQI
75AQI
2nd February 2025
120AQI
120AQI
3rd February 2025
118AQI
118AQI
4th February 2025
116AQI
116AQI
5th February 2025
97AQI
97AQI
6th February 2025
106AQI
106AQI
7th February 2025
74AQI
74AQI
8th February 2025
73AQI
73AQI
9th February 2025
80AQI
80AQI
10th February 2025
106AQI
106AQI
11th February 2025
111AQI
111AQI
12th February 2025
144AQI
144AQI
13th February 2025
135AQI
135AQI
14th February 2025
139AQI
139AQI
15th February 2025
143AQI
143AQI
16th February 2025
119AQI
119AQI
17th February 2025
116AQI
116AQI
18th February 2025
98AQI
98AQI
19th February 2025
116AQI
116AQI
20th February 2025
84AQI
84AQI
21st February 2025
83AQI
83AQI
22nd February 2025
109AQI
109AQI
23rd February 2025
136AQI
136AQI
24th February 2025
136AQI
136AQI
25th February 2025
160AQI
160AQI
26th February 2025
152AQI
152AQI
27th February 2025
141AQI
141AQI
28th February 2025
118AQI
118AQI
1st March 2025
107AQI
107AQI
2nd March 2025
95AQI
95AQI
3rd March 2025
64AQI
64AQI
4th March 2025
68AQI
68AQI
5th March 2025
78AQI
78AQI
6th March 2025
91AQI
91AQI
7th March 2025
110AQI
110AQI
8th March 2025
129AQI
129AQI
9th March 2025
102AQI
102AQI
10th March 2025
139AQI
139AQI
11th March 2025
137AQI
137AQI
12th March 2025
110AQI
110AQI
13th March 2025
86AQI
86AQI
14th March 2025
77AQI
77AQI
15th March 2025
61AQI
61AQI
16th March 2025
86AQI
86AQI
17th March 2025
70AQI
70AQI
18th March 2025
80AQI
80AQI
19th March 2025
92AQI
92AQI
20th March 2025
93AQI
93AQI
21st March 2025
81AQI
81AQI
22nd March 2025
88AQI
88AQI
23rd March 2025
94AQI
94AQI
24th March 2025
98AQI
98AQI
25th March 2025
98AQI
98AQI
26th March 2025
124AQI
124AQI
27th March 2025
106AQI
106AQI
28th March 2025
88AQI
88AQI
29th March 2025
96AQI
96AQI
30th March 2025
83AQI
83AQI
31st March 2025
73AQI
73AQI
1st April 2025
86AQI
86AQI
2nd April 2025
95AQI
95AQI
3rd April 2025
103AQI
103AQI
4th April 2025
112AQI
112AQI
5th April 2025
97AQI
97AQI
6th April 2025
111AQI
111AQI
7th April 2025
103AQI
103AQI
8th April 2025
108AQI
108AQI
9th April 2025
116AQI
116AQI
10th April 2025
103AQI
103AQI
11th April 2025
103AQI
103AQI
12th April 2025
228AQI
228AQI
13th April 2025
93AQI
93AQI
14th April 2025
103AQI
103AQI
15th April 2025
78AQI
78AQI
16th April 2025
80AQI
80AQI
17th April 2025
89AQI
89AQI
18th April 2025
102AQI
102AQI
19th April 2025
122AQI
122AQI
20th April 2025
108AQI
108AQI
21st April 2025
106AQI
106AQI
22nd April 2025
99AQI
99AQI
23rd April 2025
95AQI
95AQI
24th April 2025
106AQI
106AQI
25th April 2025
74AQI
74AQI
26th April 2025
80AQI
80AQI
27th April 2025
75AQI
75AQI
28th April 2025
92AQI
92AQI
29th April 2025
82AQI
82AQI
30th April 2025
89AQI
89AQI
1st May 2025
80AQI
80AQI
2nd May 2025
81AQI
81AQI
3rd May 2025
82AQI
82AQI
4th May 2025
64AQI
64AQI
5th May 2025
81AQI
81AQI
6th May 2025
100AQI
100AQI
7th May 2025
100AQI
100AQI
8th May 2025
83AQI
83AQI
9th May 2025
58AQI
58AQI
10th May 2025
64AQI
64AQI
11th May 2025
68AQI
68AQI
12th May 2025
75AQI
75AQI
13th May 2025
79AQI
79AQI
14th May 2025
84AQI
84AQI
15th May 2025
126AQI
126AQI
16th May 2025
86AQI
86AQI
17th May 2025
85AQI
85AQI
18th May 2025
88AQI
88AQI
19th May 2025
83AQI
83AQI
20th May 2025
77AQI
77AQI
21st May 2025
59AQI
59AQI
22nd May 2025
73AQI
73AQI
23rd May 2025
55AQI
55AQI
24th May 2025
83AQI
83AQI
25th May 2025
92AQI
92AQI
26th May 2025
87AQI
87AQI
27th May 2025
86AQI
86AQI
28th May 2025
79AQI
79AQI
29th May 2025
74AQI
74AQI
30th May 2025
88AQI
88AQI
31st May 2025
87AQI
87AQI
1st June 2025
57AQI
57AQI
2nd June 2025
48AQI
48AQI
3rd June 2025
70AQI
70AQI
4th June 2025
84AQI
84AQI
5th June 2025
70AQI
70AQI
6th June 2025
73AQI
73AQI
7th June 2025
80AQI
80AQI
8th June 2025
50AQI
50AQI
9th June 2025
69AQI
69AQI
10th June 2025
68AQI
68AQI
11th June 2025
67AQI
67AQI
12th June 2025
66AQI
66AQI
13th June 2025
55AQI
55AQI
14th June 2025
59AQI
59AQI
15th June 2025
43AQI
43AQI
16th June 2025
51AQI
51AQI
17th June 2025
61AQI
61AQI
18th June 2025
61AQI
61AQI
19th June 2025
58AQI
58AQI
20th June 2025
53AQI
53AQI
21st June 2025
50AQI
50AQI
22nd June 2025
44AQI
44AQI
23rd June 2025
47AQI
47AQI
24th June 2025
53AQI
53AQI
25th June 2025
64AQI
64AQI
26th June 2025
64AQI
64AQI
27th June 2025
56AQI
56AQI
28th June 2025
51AQI
51AQI
29th June 2025
53AQI
53AQI
30th June 2025
56AQI
56AQI
1st July 2025
49AQI
49AQI
2nd July 2025
55AQI
55AQI
3rd July 2025
59AQI
59AQI
4th July 2025
60AQI
60AQI
5th July 2025
62AQI
62AQI
6th July 2025
60AQI
60AQI
7th July 2025
54AQI
54AQI
8th July 2025
49AQI
49AQI
9th July 2025
51AQI
51AQI
10th July 2025
59AQI
59AQI
11th July 2025
56AQI
56AQI
12th July 2025
53AQI
53AQI
13th July 2025
57AQI
57AQI
14th July 2025
61AQI
61AQI
15th July 2025
63AQI
63AQI
16th July 2025
64AQI
64AQI
17th July 2025
63AQI
63AQI
18th July 2025
64AQI
64AQI
19th July 2025
49AQI
49AQI
20th July 2025
48AQI
48AQI
21st July 2025
45AQI
45AQI
22nd July 2025
45AQI
45AQI
23rd July 2025
45AQI
45AQI
24th July 2025
47AQI
47AQI
25th July 2025
50AQI
50AQI
26th July 2025
42AQI
42AQI
27th July 2025
44AQI
44AQI
28th July 2025
42AQI
42AQI
29th July 2025
47AQI
47AQI
30th July 2025
35AQI
35AQI
31st July 2025
41AQI
41AQI
1st August 2025
54AQI
54AQI
2nd August 2025
56AQI
56AQI
3rd August 2025
58AQI
58AQI
4th August 2025
61AQI
61AQI
5th August 2025
58AQI
58AQI
6th August 2025
53AQI
53AQI
7th August 2025
49AQI
49AQI
8th August 2025
51AQI
51AQI
9th August 2025
54AQI
54AQI
10th August 2025
59AQI
59AQI
11th August 2025
59AQI
59AQI
12th August 2025
60AQI
60AQI
13th August 2025
52AQI
52AQI
14th August 2025
43AQI
43AQI
15th August 2025
43AQI
43AQI
16th August 2025
47AQI
47AQI
17th August 2025
51AQI
51AQI
18th August 2025
51AQI
51AQI
19th August 2025
54AQI
54AQI
20th August 2025
58AQI
58AQI
21st August 2025
54AQI
54AQI
22nd August 2025
23rd August 2025
24th August 2025
25th August 2025
26th August 2025
27th August 2025
28th August 2025
29th August 2025
30th August 2025
31st August 2025
1st September 2025
2nd September 2025
3rd September 2025
4th September 2025
5th September 2025
6th September 2025
7th September 2025
8th September 2025
9th September 2025
10th September 2025
11th September 2025
12th September 2025
13th September 2025
14th September 2025
15th September 2025
16th September 2025
17th September 2025
18th September 2025
19th September 2025
20th September 2025
21st September 2025
22nd September 2025
23rd September 2025
24th September 2025
25th September 2025
26th September 2025
27th September 2025
28th September 2025
29th September 2025
30th September 2025
1st October 2025
2nd October 2025
3rd October 2025
4th October 2025
5th October 2025
6th October 2025
7th October 2025
8th October 2025
9th October 2025
10th October 2025
11th October 2025
12th October 2025
13th October 2025
14th October 2025
15th October 2025
16th October 2025
17th October 2025
18th October 2025
19th October 2025
20th October 2025
21st October 2025
22nd October 2025
23rd October 2025
24th October 2025
25th October 2025
26th October 2025
27th October 2025
28th October 2025
29th October 2025
30th October 2025
31st October 2025
1st November 2025
2nd November 2025
3rd November 2025
4th November 2025
5th November 2025
6th November 2025
7th November 2025
8th November 2025
9th November 2025
10th November 2025
11th November 2025
12th November 2025
13th November 2025
14th November 2025
15th November 2025
16th November 2025
17th November 2025
18th November 2025
19th November 2025
20th November 2025
21st November 2025
22nd November 2025
23rd November 2025
24th November 2025
25th November 2025
26th November 2025
27th November 2025
28th November 2025
29th November 2025
30th November 2025
1st December 2025
2nd December 2025
3rd December 2025
4th December 2025
5th December 2025
6th December 2025
7th December 2025
8th December 2025
9th December 2025
10th December 2025
11th December 2025
12th December 2025
13th December 2025
14th December 2025
15th December 2025
16th December 2025
17th December 2025
18th December 2025
19th December 2025
20th December 2025
21st December 2025
22nd December 2025
23rd December 2025
24th December 2025
25th December 2025
26th December 2025
27th December 2025
28th December 2025
29th December 2025
30th December 2025
31st December 2025
127AQI
114AQI
94AQI
101AQI
81AQI
59AQI
52AQI
54AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202586AQI
6
19
6
8
18
2
22
9
15
14
1
30
1
6
24
15
16
4
17
25
138
61
8
1
Highest AQI recorded in
January127AQI
Lowest AQI recorded in
July52AQI
202478AQI
1
4
11
1
1
3
1
2
1
11
30
10
21
2
29
8
17
4
7
22
2
4
24
2
5
23
3
32
166
37
14
Highest AQI recorded in
January152AQI
Lowest AQI recorded in
July52AQI
2023119AQI
1
2
11
12
8
12
14
8
Highest AQI recorded in
December119AQI
Lowest AQI recorded in
November115AQI
202282AQI
1
5
4
1
5
13
3
3
14
11
3
14
3
2
25
4
9
19
2
10
12
1
2
5
21
1
1
2
30
119
39
8
Highest AQI recorded in
February121AQI
Lowest AQI recorded in
July54AQI
202179AQI
12
8
4
20
16
14
1
9
21
1
4
22
4
5
13
5
1
19
7
2
12
12
6
39
133
38
8
Highest AQI recorded in
December121AQI
Lowest AQI recorded in
July48AQI
202076AQI
3
8
2
14
7
17
1
13
16
1
13
16
1
11
19
3
23
3
1
6
22
3
5
18
7
1
7
19
4
55
160
44
5
Highest AQI recorded in
December116AQI
Lowest AQI recorded in
June56AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2023(Avg.)
119AQILeast Polluted Year Recorded
2020(Avg.)
76AQIYongan Station's annual 2025 AQI (86) shows an average percentage change of 2.5% (worsened AQI) compared to previous years: 2020 (76), 2021 (79), 2022 (82), 2023 (119), 2024 (78).
