Hziyan, Xining, Qinghai, 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
Hziyan, Xining, Qinghai, China
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
30th Aug 2024
72AQILowest AQI recorded on
14th Aug 2024
31AQISame Day Analysis (3rd August ):
On this day, AQI across the 2 years varied significantly: 2025 ranks 1st highest AQI at 59 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 3rd Aug - 4th Aug 2025
Hziyan, Xining, Qinghai, China
AQI
Day
Night
.
6 AM3rd Aug 2025
8 PM
5 AM4th Aug 2025
Day time
Avg. Highest Time
12AMNaNth undefined
AQI
Avg. Lowest Time
12AMNaNth undefined
AQI
Night time
Avg. Highest Time
11AM3rd Aug
72AQI
Avg. Lowest Time
5PM3rd Aug
52AQI
In the last 24 hours,
Hziyan's AQI reached its highest point of 72 at 11 AM during the Night, while the lowest point, 52, was recorded at 5 PM during the Night between 3rd Aug and 4th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Hziyan, Xining, Qinghai, 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 2025586 AMAQI
5th Jul 2025587 AMAQI
5th Jul 2025548 AMAQI
5th Jul 2025549 AMAQI
5th Jul 20255410 AMAQI
5th Jul 20255011 AMAQI
5th Jul 20255312 PMAQI
5th Jul 2025481 PMAQI
5th Jul 2025422 PMAQI
5th Jul 2025383 PMAQI
5th Jul 2025394 PMAQI
5th Jul 2025355 PMAQI
5th Jul 2025396 PMAQI
5th Jul 2025507 PMAQI
5th Jul 2025548 PMAQI
5th Jul 2025559 PMAQI
5th Jul 20255610 PMAQI
5th Jul 20255411 PMAQI
6th Jul 20255412 AMAQI
6th Jul 2025581 AMAQI
6th Jul 2025592 AMAQI
6th Jul 2025593 AMAQI
6th Jul 2025574 AMAQI
6th Jul 2025575 AMAQI
10°C6/13°C
6th Jul 2025566 AMAQI
6th Jul 2025567 AMAQI
6th Jul 2025488 AMAQI
6th Jul 2025509 AMAQI
6th Jul 20255510 AMAQI
6th Jul 20255711 AMAQI
6th Jul 20255212 PMAQI
6th Jul 2025461 PMAQI
6th Jul 2025402 PMAQI
6th Jul 2025363 PMAQI
6th Jul 2025374 PMAQI
6th Jul 2025405 PMAQI
6th Jul 2025426 PMAQI
6th Jul 2025527 PMAQI
6th Jul 2025518 PMAQI
6th Jul 2025529 PMAQI
6th Jul 20255210 PMAQI
6th Jul 20255511 PMAQI
7th Jul 20255612 AMAQI
7th Jul 2025561 AMAQI
7th Jul 2025582 AMAQI
7th Jul 2025583 AMAQI
7th Jul 2025564 AMAQI
7th Jul 2025565 AMAQI
12°C5/18°C
7th Jul 2025556 AMAQI
7th Jul 2025557 AMAQI
7th Jul 2025578 AMAQI
7th Jul 2025589 AMAQI
7th Jul 20256010 AMAQI
7th Jul 20255811 AMAQI
7th Jul 20256012 PMAQI
7th Jul 2025561 PMAQI
7th Jul 2025562 PMAQI
7th Jul 2025563 PMAQI
7th Jul 2025544 PMAQI
7th Jul 2025505 PMAQI
7th Jul 2025466 PMAQI
7th Jul 2025447 PMAQI
7th Jul 2025528 PMAQI
7th Jul 2025529 PMAQI
7th Jul 20255410 PMAQI
7th Jul 20255411 PMAQI
8th Jul 20255412 AMAQI
8th Jul 2025561 AMAQI
8th Jul 2025552 AMAQI
8th Jul 2025563 AMAQI
8th Jul 2025564 AMAQI
8th Jul 2025565 AMAQI
14°C7/22°C
8th Jul 2025566 AMAQI
8th Jul 2025557 AMAQI
8th Jul 2025568 AMAQI
8th Jul 2025549 AMAQI
8th Jul 20255610 AMAQI
8th Jul 20255911 AMAQI
8th Jul 20255812 PMAQI
8th Jul 2025581 PMAQI
8th Jul 2025602 PMAQI
8th Jul 2025623 PMAQI
8th Jul 2025604 PMAQI
8th Jul 2025655 PMAQI
8th Jul 2025586 PMAQI
8th Jul 2025577 PMAQI
8th Jul 2025578 PMAQI
8th Jul 2025549 PMAQI
8th Jul 20255810 PMAQI
8th Jul 20256011 PMAQI
9th Jul 20255712 AMAQI
9th Jul 2025541 AMAQI
9th Jul 2025542 AMAQI
9th Jul 2025563 AMAQI
9th Jul 2025564 AMAQI
9th Jul 2025565 AMAQI
14°C9/21°C
9th Jul 2025576 AMAQI
9th Jul 2025567 AMAQI
9th Jul 2025588 AMAQI
9th Jul 2025639 AMAQI
9th Jul 20256010 AMAQI
9th Jul 20255411 AMAQI
9th Jul 20255412 PMAQI
9th Jul 2025581 PMAQI
9th Jul 2025562 PMAQI
9th Jul 2025553 PMAQI
9th Jul 2025554 PMAQI
9th Jul 2025515 PMAQI
9th Jul 2025546 PMAQI
9th Jul 2025607 PMAQI
9th Jul 2025568 PMAQI
9th Jul 2025569 PMAQI
9th Jul 20255710 PMAQI
9th Jul 20255911 PMAQI
10th Jul 20255912 AMAQI
10th Jul 2025561 AMAQI
10th Jul 2025562 AMAQI
10th Jul 2025553 AMAQI
10th Jul 2025564 AMAQI
10th Jul 2025565 AMAQI
15°C7/23°C
10th Jul 2025566 AMAQI
10th Jul 2025567 AMAQI
10th Jul 2025678 AMAQI
10th Jul 2025729 AMAQI
10th Jul 20258010 AMAQI
10th Jul 20258611 AMAQI
10th Jul 20258012 PMAQI
10th Jul 2025681 PMAQI
10th Jul 2025602 PMAQI
10th Jul 2025603 PMAQI
10th Jul 2025574 PMAQI
10th Jul 2025555 PMAQI
10th Jul 2025546 PMAQI
10th Jul 2025547 PMAQI
10th Jul 2025578 PMAQI
10th Jul 2025589 PMAQI
10th Jul 20256010 PMAQI
10th Jul 20256111 PMAQI
11th Jul 20255812 AMAQI
11th Jul 2025571 AMAQI
11th Jul 2025572 AMAQI
11th Jul 2025593 AMAQI
11th Jul 2025614 AMAQI
11th Jul 2025615 AMAQI
17°C9/25°C
11th Jul 2025606 AMAQI
11th Jul 2025607 AMAQI
11th Jul 2025648 AMAQI
11th Jul 2025649 AMAQI
11th Jul 20256210 AMAQI
11th Jul 20256011 AMAQI
11th Jul 20256112 PMAQI
11th Jul 2025601 PMAQI
11th Jul 2025582 PMAQI
11th Jul 2025603 PMAQI
11th Jul 2025544 PMAQI
11th Jul 2025545 PMAQI
11th Jul 2025546 PMAQI
11th Jul 2025587 PMAQI
11th Jul 2025588 PMAQI
11th Jul 2025599 PMAQI
11th Jul 20256210 PMAQI
11th Jul 20256311 PMAQI
12th Jul 20256212 AMAQI
12th Jul 2025581 AMAQI
12th Jul 2025592 AMAQI
12th Jul 2025603 AMAQI
12th Jul 2025604 AMAQI
12th Jul 2025615 AMAQI
18°C11/27°C
12th Jul 2025606 AMAQI
12th Jul 2025597 AMAQI
12th Jul 2025678 AMAQI
12th Jul 2025729 AMAQI
12th Jul 20257410 AMAQI
12th Jul 20257411 AMAQI
12th Jul 20257312 PMAQI
12th Jul 2025701 PMAQI
12th Jul 2025642 PMAQI
12th Jul 2025673 PMAQI
12th Jul 2025664 PMAQI
12th Jul 2025645 PMAQI
12th Jul 2025676 PMAQI
12th Jul 2025627 PMAQI
12th Jul 2025628 PMAQI
12th Jul 2025659 PMAQI
12th Jul 20256210 PMAQI
12th Jul 20256211 PMAQI
13th Jul 20256012 AMAQI
13th Jul 2025601 AMAQI
13th Jul 2025602 AMAQI
13th Jul 2025623 AMAQI
13th Jul 2025634 AMAQI
13th Jul 2025625 AMAQI
19°C12/27°C
13th Jul 2025626 AMAQI
13th Jul 2025627 AMAQI
13th Jul 2025768 AMAQI
13th Jul 2025859 AMAQI
13th Jul 20259410 AMAQI
13th Jul 20259011 AMAQI
13th Jul 20259012 PMAQI
13th Jul 2025821 PMAQI
13th Jul 2025812 PMAQI
13th Jul 2025793 PMAQI
13th Jul 2025774 PMAQI
13th Jul 2025745 PMAQI
13th Jul 2025736 PMAQI
13th Jul 2025747 PMAQI
13th Jul 2025738 PMAQI
13th Jul 2025749 PMAQI
13th Jul 20257310 PMAQI
13th Jul 20257111 PMAQI
14th Jul 20256912 AMAQI
14th Jul 2025621 AMAQI
14th Jul 2025622 AMAQI
14th Jul 2025643 AMAQI
14th Jul 2025674 AMAQI
14th Jul 2025665 AMAQI
19°C12/27°C
14th Jul 2025676 AMAQI
14th Jul 2025677 AMAQI
14th Jul 2025748 AMAQI
14th Jul 2025799 AMAQI
14th Jul 20257510 AMAQI
14th Jul 20257911 AMAQI
14th Jul 20257812 PMAQI
14th Jul 2025791 PMAQI
14th Jul 2025792 PMAQI
14th Jul 2025783 PMAQI
14th Jul 2025784 PMAQI
14th Jul 2025665 PMAQI
14th Jul 2025666 PMAQI
14th Jul 2025667 PMAQI
14th Jul 2025698 PMAQI
14th Jul 2025699 PMAQI
14th Jul 20256810 PMAQI
14th Jul 20256911 PMAQI
15th Jul 20257112 AMAQI
15th Jul 2025681 AMAQI
15th Jul 2025642 AMAQI
15th Jul 2025663 AMAQI
15th Jul 2025684 AMAQI
15th Jul 2025685 AMAQI
19°C12/27°C
15th Jul 2025686 AMAQI
15th Jul 2025687 AMAQI
15th Jul 2025678 AMAQI
15th Jul 2025709 AMAQI
15th Jul 20257610 AMAQI
15th Jul 20257811 AMAQI
15th Jul 20257312 PMAQI
15th Jul 2025671 PMAQI
15th Jul 2025692 PMAQI
15th Jul 2025723 PMAQI
15th Jul 2025764 PMAQI
15th Jul 2025675 PMAQI
15th Jul 2025656 PMAQI
15th Jul 2025657 PMAQI
15th Jul 2025658 PMAQI
15th Jul 2025689 PMAQI
15th Jul 20256810 PMAQI
15th Jul 20256911 PMAQI
16th Jul 20256712 AMAQI
16th Jul 2025641 AMAQI
16th Jul 2025662 AMAQI
16th Jul 2025693 AMAQI
16th Jul 2025684 AMAQI
16th Jul 2025685 AMAQI
19°C12/28°C
16th Jul 2025686 AMAQI
16th Jul 2025687 AMAQI
16th Jul 2025658 AMAQI
16th Jul 2025679 AMAQI
16th Jul 20257210 AMAQI
16th Jul 20256911 AMAQI
16th Jul 20257212 PMAQI
16th Jul 2025701 PMAQI
16th Jul 2025612 PMAQI
16th Jul 2025623 PMAQI
16th Jul 2025604 PMAQI
16th Jul 2025595 PMAQI
16th Jul 2025576 PMAQI
16th Jul 2025597 PMAQI
16th Jul 2025608 PMAQI
16th Jul 2025629 PMAQI
16th Jul 20256410 PMAQI
16th Jul 20256511 PMAQI
17th Jul 20256612 AMAQI
17th Jul 2025661 AMAQI
17th Jul 2025662 AMAQI
17th Jul 2025663 AMAQI
17th Jul 2025654 AMAQI
17th Jul 2025665 AMAQI
19°C13/27°C
17th Jul 2025666 AMAQI
17th Jul 2025677 AMAQI
17th Jul 2025618 AMAQI
17th Jul 2025589 AMAQI
17th Jul 20256610 AMAQI
17th Jul 20256611 AMAQI
17th Jul 20256912 PMAQI
17th Jul 2025681 PMAQI
17th Jul 2025592 PMAQI
17th Jul 2025593 PMAQI
17th Jul 2025594 PMAQI
17th Jul 2025565 PMAQI
17th Jul 2025636 PMAQI
17th Jul 2025597 PMAQI
17th Jul 2025578 PMAQI
17th Jul 2025619 PMAQI
17th Jul 20256410 PMAQI
17th Jul 20256511 PMAQI
18th Jul 20256412 AMAQI
18th Jul 2025661 AMAQI
18th Jul 2025652 AMAQI
18th Jul 2025633 AMAQI
18th Jul 2025644 AMAQI
18th Jul 2025645 AMAQI
19°C13/28°C
18th Jul 2025646 AMAQI
18th Jul 2025637 AMAQI
18th Jul 2025718 AMAQI
18th Jul 2025729 AMAQI
18th Jul 20256710 AMAQI
18th Jul 20257511 AMAQI
18th Jul 20257012 PMAQI
18th Jul 2025661 PMAQI
18th Jul 2025672 PMAQI
18th Jul 2025673 PMAQI
18th Jul 2025714 PMAQI
18th Jul 2025695 PMAQI
18th Jul 2025726 PMAQI
18th Jul 2025707 PMAQI
18th Jul 2025678 PMAQI
18th Jul 2025679 PMAQI
18th Jul 20257110 PMAQI
18th Jul 20257011 PMAQI
19th Jul 20256612 AMAQI
19th Jul 2025621 AMAQI
19th Jul 2025652 AMAQI
19th Jul 2025653 AMAQI
19th Jul 2025664 AMAQI
19th Jul 2025665 AMAQI
18°C13/25°C
19th Jul 2025666 AMAQI
19th Jul 2025667 AMAQI
19th Jul 2025658 AMAQI
19th Jul 2025669 AMAQI
19th Jul 20256810 AMAQI
19th Jul 20257211 AMAQI
19th Jul 20257212 PMAQI
19th Jul 2025711 PMAQI
19th Jul 2025652 PMAQI
19th Jul 2025613 PMAQI
19th Jul 2025574 PMAQI
19th Jul 2025565 PMAQI
19th Jul 2025496 PMAQI
19th Jul 2025547 PMAQI
19th Jul 2025568 PMAQI
19th Jul 2025579 PMAQI
19th Jul 20255810 PMAQI
19th Jul 20255611 PMAQI
20th Jul 20255812 AMAQI
20th Jul 2025621 AMAQI
20th Jul 2025642 AMAQI
20th Jul 2025673 AMAQI
20th Jul 2025674 AMAQI
20th Jul 2025665 AMAQI
14°C12/16°C
20th Jul 2025666 AMAQI
20th Jul 2025667 AMAQI
20th Jul 2025588 AMAQI
20th Jul 2025489 AMAQI
20th Jul 20255210 AMAQI
20th Jul 20254911 AMAQI
20th Jul 20255812 PMAQI
20th Jul 2025621 PMAQI
20th Jul 2025522 PMAQI
20th Jul 2025563 PMAQI
20th Jul 2025504 PMAQI
20th Jul 2025485 PMAQI
20th Jul 2025496 PMAQI
20th Jul 2025537 PMAQI
20th Jul 2025568 PMAQI
20th Jul 2025569 PMAQI
20th Jul 20255710 PMAQI
20th Jul 20255611 PMAQI
21st Jul 20255812 AMAQI
21st Jul 2025641 AMAQI
21st Jul 2025642 AMAQI
21st Jul 2025633 AMAQI
21st Jul 2025624 AMAQI
21st Jul 2025625 AMAQI
13°C10/17°C
21st Jul 2025626 AMAQI
21st Jul 2025647 AMAQI
21st Jul 2025588 AMAQI
21st Jul 2025599 AMAQI
21st Jul 20256610 AMAQI
21st Jul 20256911 AMAQI
21st Jul 20256012 PMAQI
21st Jul 2025561 PMAQI
21st Jul 2025542 PMAQI
21st Jul 2025433 PMAQI
21st Jul 2025434 PMAQI
21st Jul 2025445 PMAQI
21st Jul 2025466 PMAQI
21st Jul 2025527 PMAQI
21st Jul 2025558 PMAQI
21st Jul 2025579 PMAQI
21st Jul 20256010 PMAQI
21st Jul 20256011 PMAQI
22nd Jul 20256012 AMAQI
22nd Jul 2025611 AMAQI
22nd Jul 2025622 AMAQI
22nd Jul 2025613 AMAQI
22nd Jul 2025614 AMAQI
22nd Jul 2025615 AMAQI
15°C8/22°C
22nd Jul 2025616 AMAQI
22nd Jul 2025627 AMAQI
22nd Jul 2025628 AMAQI
22nd Jul 2025699 AMAQI
22nd Jul 20256610 AMAQI
22nd Jul 20258011 AMAQI
22nd Jul 20258312 PMAQI
22nd Jul 2025701 PMAQI
22nd Jul 2025632 PMAQI
22nd Jul 2025573 PMAQI
22nd Jul 2025554 PMAQI
22nd Jul 2025575 PMAQI
22nd Jul 2025566 PMAQI
22nd Jul 2025567 PMAQI
22nd Jul 2025588 PMAQI
22nd Jul 2025609 PMAQI
22nd Jul 20255910 PMAQI
22nd Jul 20256011 PMAQI
23rd Jul 20255912 AMAQI
23rd Jul 2025611 AMAQI
23rd Jul 2025622 AMAQI
23rd Jul 2025613 AMAQI
23rd Jul 2025624 AMAQI
23rd Jul 2025635 AMAQI
17°C10/24°C
23rd Jul 2025626 AMAQI
23rd Jul 2025627 AMAQI
23rd Jul 2025708 AMAQI
23rd Jul 2025719 AMAQI
23rd Jul 20256410 AMAQI
23rd Jul 20255811 AMAQI
23rd Jul 20256512 PMAQI
23rd Jul 2025741 PMAQI
23rd Jul 2025842 PMAQI
23rd Jul 2025743 PMAQI
23rd Jul 2025734 PMAQI
23rd Jul 2025745 PMAQI
23rd Jul 2025726 PMAQI
23rd Jul 2025647 PMAQI
23rd Jul 2025738 PMAQI
23rd Jul 2025789 PMAQI
23rd Jul 20256710 PMAQI
23rd Jul 20256711 PMAQI
24th Jul 20256612 AMAQI
24th Jul 2025641 AMAQI
24th Jul 2025622 AMAQI
24th Jul 2025623 AMAQI
24th Jul 2025624 AMAQI
24th Jul 2025625 AMAQI
16°C11/23°C
24th Jul 2025636 AMAQI
24th Jul 2025627 AMAQI
24th Jul 2025628 AMAQI
24th Jul 2025579 AMAQI
24th Jul 20255810 AMAQI
24th Jul 20255011 AMAQI
24th Jul 20254812 PMAQI
24th Jul 2025571 PMAQI
24th Jul 2025532 PMAQI
24th Jul 2025523 PMAQI
24th Jul 2025524 PMAQI
24th Jul 2025495 PMAQI
24th Jul 2025456 PMAQI
24th Jul 2025537 PMAQI
24th Jul 2025588 PMAQI
24th Jul 2025579 PMAQI
24th Jul 20255810 PMAQI
24th Jul 20255811 PMAQI
25th Jul 20256012 AMAQI
25th Jul 2025611 AMAQI
25th Jul 2025612 AMAQI
25th Jul 2025613 AMAQI
25th Jul 2025614 AMAQI
25th Jul 2025615 AMAQI
14°C11/18°C
25th Jul 2025616 AMAQI
25th Jul 2025607 AMAQI
25th Jul 2025578 AMAQI
25th Jul 2025609 AMAQI
25th Jul 20256210 AMAQI
25th Jul 20256111 AMAQI
25th Jul 20255812 PMAQI
25th Jul 2025581 PMAQI
25th Jul 2025502 PMAQI
25th Jul 2025463 PMAQI
25th Jul 2025464 PMAQI
25th Jul 2025455 PMAQI
25th Jul 2025346 PMAQI
25th Jul 2025457 PMAQI
25th Jul 2025548 PMAQI
25th Jul 2025559 PMAQI
25th Jul 20255610 PMAQI
25th Jul 20255811 PMAQI
26th Jul 20255812 AMAQI
26th Jul 2025601 AMAQI
26th Jul 2025612 AMAQI
26th Jul 2025603 AMAQI
26th Jul 2025594 AMAQI
26th Jul 2025615 AMAQI
17°C12/23°C
26th Jul 2025606 AMAQI
26th Jul 2025607 AMAQI
26th Jul 2025608 AMAQI
26th Jul 2025619 AMAQI
26th Jul 20256410 AMAQI
26th Jul 20256411 AMAQI
26th Jul 20256612 PMAQI
26th Jul 2025591 PMAQI
26th Jul 2025582 PMAQI
26th Jul 2025563 PMAQI
26th Jul 2025544 PMAQI
26th Jul 2025545 PMAQI
26th Jul 2025546 PMAQI
26th Jul 2025587 PMAQI
26th Jul 2025578 PMAQI
26th Jul 2025589 PMAQI
26th Jul 20256010 PMAQI
26th Jul 20256011 PMAQI
27th Jul 20256212 AMAQI
27th Jul 2025591 AMAQI
27th Jul 2025592 AMAQI
27th Jul 2025603 AMAQI
27th Jul 2025604 AMAQI
27th Jul 2025605 AMAQI
17°C10/25°C
27th Jul 2025606 AMAQI
27th Jul 2025617 AMAQI
27th Jul 2025608 AMAQI
27th Jul 2025609 AMAQI
27th Jul 20256510 AMAQI
27th Jul 20256411 AMAQI
27th Jul 20257012 PMAQI
27th Jul 2025631 PMAQI
27th Jul 2025612 PMAQI
27th Jul 2025613 PMAQI
27th Jul 2025624 PMAQI
27th Jul 2025595 PMAQI
27th Jul 2025606 PMAQI
27th Jul 2025607 PMAQI
27th Jul 2025578 PMAQI
27th Jul 2025589 PMAQI
27th Jul 20255910 PMAQI
27th Jul 20256111 PMAQI
28th Jul 20256012 AMAQI
28th Jul 2025591 AMAQI
28th Jul 2025592 AMAQI
28th Jul 2025593 AMAQI
28th Jul 2025594 AMAQI
28th Jul 2025585 AMAQI
17°C12/24°C
28th Jul 2025586 AMAQI
28th Jul 2025607 AMAQI
28th Jul 2025568 AMAQI
28th Jul 2025579 AMAQI
28th Jul 20256010 AMAQI
28th Jul 20255811 AMAQI
28th Jul 20256012 PMAQI
28th Jul 2025661 PMAQI
28th Jul 2025642 PMAQI
28th Jul 2025603 PMAQI
28th Jul 2025584 PMAQI
28th Jul 2025615 PMAQI
28th Jul 2025606 PMAQI
28th Jul 2025597 PMAQI
28th Jul 2025578 PMAQI
28th Jul 2025579 PMAQI
28th Jul 20255710 PMAQI
28th Jul 20255811 PMAQI
29th Jul 20255812 AMAQI
29th Jul 2025601 AMAQI
29th Jul 2025592 AMAQI
29th Jul 2025593 AMAQI
29th Jul 2025614 AMAQI
29th Jul 2025615 AMAQI
17°C12/25°C
29th Jul 2025616 AMAQI
29th Jul 2025617 AMAQI
29th Jul 2025588 AMAQI
29th Jul 2025619 AMAQI
29th Jul 20256210 AMAQI
29th Jul 20256011 AMAQI
29th Jul 20256412 PMAQI
29th Jul 2025631 PMAQI
29th Jul 2025602 PMAQI
29th Jul 2025613 PMAQI
29th Jul 2025544 PMAQI
29th Jul 2025545 PMAQI
29th Jul 2025566 PMAQI
29th Jul 2025587 PMAQI
29th Jul 2025568 PMAQI
29th Jul 2025609 PMAQI
29th Jul 20256010 PMAQI
29th Jul 20256311 PMAQI
30th Jul 20256212 AMAQI
30th Jul 2025601 AMAQI
30th Jul 2025602 AMAQI
30th Jul 2025613 AMAQI
30th Jul 2025624 AMAQI
30th Jul 2025625 AMAQI
17°C11/23°C
30th Jul 2025626 AMAQI
30th Jul 2025617 AMAQI
30th Jul 2025678 AMAQI
30th Jul 2025719 AMAQI
30th Jul 20256810 AMAQI
30th Jul 20256811 AMAQI
30th Jul 20256512 PMAQI
30th Jul 2025711 PMAQI
30th Jul 2025662 PMAQI
30th Jul 2025623 PMAQI
30th Jul 2025634 PMAQI
30th Jul 2025565 PMAQI
30th Jul 2025526 PMAQI
30th Jul 2025617 PMAQI
30th Jul 2025678 PMAQI
30th Jul 2025679 PMAQI
30th Jul 20256410 PMAQI
30th Jul 20256411 PMAQI
31st Jul 20256412 AMAQI
31st Jul 2025611 AMAQI
31st Jul 2025612 AMAQI
31st Jul 2025583 AMAQI
31st Jul 2025584 AMAQI
31st Jul 2025585 AMAQI
17°C11/25°C
31st Jul 2025586 AMAQI
31st Jul 2025587 AMAQI
31st Jul 2025588 AMAQI
31st Jul 2025589 AMAQI
31st Jul 202511910 AMAQI
31st Jul 202511111 AMAQI
31st Jul 20258912 PMAQI
31st Jul 2025751 PMAQI
31st Jul 2025892 PMAQI
31st Jul 2025713 PMAQI
31st Jul 2025774 PMAQI
31st Jul 2025745 PMAQI
31st Jul 2025756 PMAQI
31st Jul 2025677 PMAQI
31st Jul 2025688 PMAQI
31st Jul 2025629 PMAQI
31st Jul 20256310 PMAQI
31st Jul 20255811 PMAQI
1st Aug 20255812 AMAQI
1st Aug 2025611 AMAQI
1st Aug 2025592 AMAQI
1st Aug 2025603 AMAQI
1st Aug 2025594 AMAQI
1st Aug 2025605 AMAQI
17°C12/22°C
1st Aug 2025616 AMAQI
1st Aug 2025627 AMAQI
1st Aug 2025638 AMAQI
1st Aug 2025579 AMAQI
1st Aug 20256610 AMAQI
1st Aug 20256311 AMAQI
1st Aug 20255612 PMAQI
1st Aug 2025631 PMAQI
1st Aug 2025622 PMAQI
1st Aug 2025663 PMAQI
1st Aug 2025654 PMAQI
1st Aug 2025655 PMAQI
1st Aug 2025566 PMAQI
1st Aug 2025627 PMAQI
1st Aug 2025628 PMAQI
1st Aug 2025609 PMAQI
1st Aug 20256210 PMAQI
1st Aug 20256011 PMAQI
2nd Aug 20256012 AMAQI
2nd Aug 2025581 AMAQI
2nd Aug 2025602 AMAQI
2nd Aug 2025603 AMAQI
2nd Aug 2025624 AMAQI
2nd Aug 2025615 AMAQI
17°C12/25°C
2nd Aug 2025626 AMAQI
2nd Aug 2025627 AMAQI
2nd Aug 2025598 AMAQI
2nd Aug 2025639 AMAQI
2nd Aug 20256610 AMAQI
2nd Aug 20257011 AMAQI
2nd Aug 20257012 PMAQI
2nd Aug 2025631 PMAQI
2nd Aug 2025662 PMAQI
2nd Aug 2025583 PMAQI
2nd Aug 2025604 PMAQI
2nd Aug 2025605 PMAQI
2nd Aug 2025586 PMAQI
2nd Aug 2025567 PMAQI
2nd Aug 2025608 PMAQI
2nd Aug 2025609 PMAQI
2nd Aug 20256510 PMAQI
2nd Aug 20255911 PMAQI
3rd Aug 20255912 AMAQI
3rd Aug 2025581 AMAQI
3rd Aug 2025592 AMAQI
3rd Aug 2025603 AMAQI
3rd Aug 2025604 AMAQI
3rd Aug 2025605 AMAQI
18°C12/25°C
3rd Aug 2025606 AMAQI
3rd Aug 2025597 AMAQI
3rd Aug 2025598 AMAQI
3rd Aug 2025629 AMAQI
3rd Aug 20256610 AMAQI
3rd Aug 20257211 AMAQI
3rd Aug 20257012 PMAQI
3rd Aug 2025701 PMAQI
3rd Aug 2025672 PMAQI
3rd Aug 2025633 PMAQI
3rd Aug 2025584 PMAQI
3rd Aug 2025525 PMAQI
3rd Aug 2025606 PMAQI
3rd Aug 2025567 PMAQI
3rd Aug 2025548 PMAQI
3rd Aug 2025569 PMAQI
3rd Aug 20255610 PMAQI
3rd Aug 20255611 PMAQI
4th Aug 20255812 AMAQI
4th Aug 2025581 AMAQI
4th Aug 2025582 AMAQI
4th Aug 2025583 AMAQI
4th Aug 2025594 AMAQI
4th Aug 2025585 AMAQI
--°C/°C
4th Aug 2025596 AMAQI
6 AM1 PM
8 PM
1 AM
5 AM
--°C/°C
Day time
Avg. Highest Time
10 AM - 8 PM
62AQI
11 hours / Day
330 hours / Month
Avg. Lowest Time
6 AM - 8 PM
62AQI
15 hours / Day
450 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 10 AM to 8 PM (Avg. 62), while the lowest AQI was between 6 AM to 8 PM (Avg. 62).
Night time
Avg. Highest Time
12 AM - 11 PM
61AQI
9 hours / Day
270 hours / Month
Avg. Lowest Time
12 AM - 11 PM
61AQI
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. 61), while the lowest AQI was between 12 AM to 11 PM (Avg. 61).
2025 Days Vs Air Quality
Hziyan, Xining, Qinghai, China
2025
0.4%
1
82%
177
17%
37
Total number of days with different AQI categories in last 215 days in 2025 (150 days remaining)
Good
1 DaysModerate
177 DaysPoor
37 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 0.47%
Health Risk Level:
Extreme
In 2025, 0.47% 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
Hziyan, Xining, Qinghai, 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
85AQI
85AQI
2nd January 2025
76AQI
76AQI
3rd January 2025
101AQI
101AQI
4th January 2025
93AQI
93AQI
5th January 2025
104AQI
104AQI
6th January 2025
99AQI
99AQI
7th January 2025
102AQI
102AQI
8th January 2025
120AQI
120AQI
9th January 2025
111AQI
111AQI
10th January 2025
89AQI
89AQI
11th January 2025
82AQI
82AQI
12th January 2025
83AQI
83AQI
13th January 2025
83AQI
83AQI
14th January 2025
81AQI
81AQI
15th January 2025
94AQI
94AQI
16th January 2025
105AQI
105AQI
17th January 2025
92AQI
92AQI
18th January 2025
79AQI
79AQI
19th January 2025
91AQI
91AQI
20th January 2025
82AQI
82AQI
21st January 2025
88AQI
88AQI
22nd January 2025
92AQI
92AQI
23rd January 2025
103AQI
103AQI
24th January 2025
96AQI
96AQI
25th January 2025
88AQI
88AQI
26th January 2025
78AQI
78AQI
27th January 2025
85AQI
85AQI
28th January 2025
94AQI
94AQI
29th January 2025
106AQI
106AQI
30th January 2025
80AQI
80AQI
31st January 2025
96AQI
96AQI
1st February 2025
93AQI
93AQI
2nd February 2025
83AQI
83AQI
3rd February 2025
94AQI
94AQI
4th February 2025
88AQI
88AQI
5th February 2025
82AQI
82AQI
6th February 2025
75AQI
75AQI
7th February 2025
72AQI
72AQI
8th February 2025
74AQI
74AQI
9th February 2025
79AQI
79AQI
10th February 2025
79AQI
79AQI
11th February 2025
78AQI
78AQI
12th February 2025
92AQI
92AQI
13th February 2025
90AQI
90AQI
14th February 2025
55AQI
55AQI
15th February 2025
59AQI
59AQI
16th February 2025
58AQI
58AQI
17th February 2025
57AQI
57AQI
18th February 2025
57AQI
57AQI
19th February 2025
68AQI
68AQI
20th February 2025
64AQI
64AQI
21st February 2025
70AQI
70AQI
22nd February 2025
67AQI
67AQI
23rd February 2025
62AQI
62AQI
24th February 2025
60AQI
60AQI
25th February 2025
56AQI
56AQI
26th February 2025
52AQI
52AQI
27th February 2025
57AQI
57AQI
28th February 2025
57AQI
57AQI
1st March 2025
63AQI
63AQI
2nd March 2025
46AQI
46AQI
3rd March 2025
59AQI
59AQI
4th March 2025
58AQI
58AQI
5th March 2025
59AQI
59AQI
6th March 2025
67AQI
67AQI
7th March 2025
68AQI
68AQI
8th March 2025
63AQI
63AQI
9th March 2025
66AQI
66AQI
10th March 2025
63AQI
63AQI
11th March 2025
106AQI
106AQI
12th March 2025
83AQI
83AQI
13th March 2025
78AQI
78AQI
14th March 2025
81AQI
81AQI
15th March 2025
73AQI
73AQI
16th March 2025
79AQI
79AQI
17th March 2025
79AQI
79AQI
18th March 2025
80AQI
80AQI
19th March 2025
75AQI
75AQI
20th March 2025
85AQI
85AQI
21st March 2025
84AQI
84AQI
22nd March 2025
75AQI
75AQI
23rd March 2025
81AQI
81AQI
24th March 2025
109AQI
109AQI
25th March 2025
146AQI
146AQI
26th March 2025
138AQI
138AQI
27th March 2025
93AQI
93AQI
28th March 2025
99AQI
99AQI
29th March 2025
93AQI
93AQI
30th March 2025
118AQI
118AQI
31st March 2025
106AQI
106AQI
1st April 2025
133AQI
133AQI
2nd April 2025
129AQI
129AQI
3rd April 2025
126AQI
126AQI
4th April 2025
129AQI
129AQI
5th April 2025
110AQI
110AQI
6th April 2025
100AQI
100AQI
7th April 2025
118AQI
118AQI
8th April 2025
113AQI
113AQI
9th April 2025
108AQI
108AQI
10th April 2025
81AQI
81AQI
11th April 2025
91AQI
91AQI
12th April 2025
121AQI
121AQI
13th April 2025
81AQI
81AQI
14th April 2025
86AQI
86AQI
15th April 2025
84AQI
84AQI
16th April 2025
112AQI
112AQI
17th April 2025
99AQI
99AQI
18th April 2025
108AQI
108AQI
19th April 2025
132AQI
132AQI
20th April 2025
133AQI
133AQI
21st April 2025
120AQI
120AQI
22nd April 2025
113AQI
113AQI
23rd April 2025
83AQI
83AQI
24th April 2025
90AQI
90AQI
25th April 2025
87AQI
87AQI
26th April 2025
85AQI
85AQI
27th April 2025
82AQI
82AQI
28th April 2025
77AQI
77AQI
29th April 2025
80AQI
80AQI
30th April 2025
105AQI
105AQI
1st May 2025
84AQI
84AQI
2nd May 2025
107AQI
107AQI
3rd May 2025
111AQI
111AQI
4th May 2025
87AQI
87AQI
5th May 2025
113AQI
113AQI
6th May 2025
110AQI
110AQI
7th May 2025
119AQI
119AQI
8th May 2025
101AQI
101AQI
9th May 2025
93AQI
93AQI
10th May 2025
79AQI
79AQI
11th May 2025
75AQI
75AQI
12th May 2025
71AQI
71AQI
13th May 2025
81AQI
81AQI
14th May 2025
74AQI
74AQI
15th May 2025
74AQI
74AQI
16th May 2025
83AQI
83AQI
17th May 2025
108AQI
108AQI
18th May 2025
80AQI
80AQI
19th May 2025
88AQI
88AQI
20th May 2025
86AQI
86AQI
21st May 2025
93AQI
93AQI
22nd May 2025
86AQI
86AQI
23rd May 2025
74AQI
74AQI
24th May 2025
76AQI
76AQI
25th May 2025
67AQI
67AQI
26th May 2025
68AQI
68AQI
27th May 2025
70AQI
70AQI
28th May 2025
74AQI
74AQI
29th May 2025
82AQI
82AQI
30th May 2025
90AQI
90AQI
31st May 2025
92AQI
92AQI
1st June 2025
81AQI
81AQI
2nd June 2025
78AQI
78AQI
3rd June 2025
72AQI
72AQI
4th June 2025
76AQI
76AQI
5th June 2025
64AQI
64AQI
6th June 2025
68AQI
68AQI
7th June 2025
78AQI
78AQI
8th June 2025
82AQI
82AQI
9th June 2025
80AQI
80AQI
10th June 2025
73AQI
73AQI
11th June 2025
79AQI
79AQI
12th June 2025
87AQI
87AQI
13th June 2025
89AQI
89AQI
14th June 2025
80AQI
80AQI
15th June 2025
80AQI
80AQI
16th June 2025
75AQI
75AQI
17th June 2025
78AQI
78AQI
18th June 2025
75AQI
75AQI
19th June 2025
72AQI
72AQI
20th June 2025
69AQI
69AQI
21st June 2025
68AQI
68AQI
22nd June 2025
56AQI
56AQI
23rd June 2025
62AQI
62AQI
24th June 2025
58AQI
58AQI
25th June 2025
61AQI
61AQI
26th June 2025
62AQI
62AQI
27th June 2025
59AQI
59AQI
28th June 2025
64AQI
64AQI
29th June 2025
63AQI
63AQI
30th June 2025
61AQI
61AQI
1st July 2025
60AQI
60AQI
2nd July 2025
59AQI
59AQI
3rd July 2025
60AQI
60AQI
4th July 2025
52AQI
52AQI
5th July 2025
52AQI
52AQI
6th July 2025
51AQI
51AQI
7th July 2025
55AQI
55AQI
8th July 2025
57AQI
57AQI
9th July 2025
56AQI
56AQI
10th July 2025
61AQI
61AQI
11th July 2025
59AQI
59AQI
12th July 2025
64AQI
64AQI
13th July 2025
72AQI
72AQI
14th July 2025
70AQI
70AQI
15th July 2025
69AQI
69AQI
16th July 2025
65AQI
65AQI
17th July 2025
63AQI
63AQI
18th July 2025
67AQI
67AQI
19th July 2025
62AQI
62AQI
20th July 2025
58AQI
58AQI
21st July 2025
58AQI
58AQI
22nd July 2025
62AQI
62AQI
23rd July 2025
67AQI
67AQI
24th July 2025
57AQI
57AQI
25th July 2025
55AQI
55AQI
26th July 2025
59AQI
59AQI
27th July 2025
61AQI
61AQI
28th July 2025
59AQI
59AQI
29th July 2025
59AQI
59AQI
30th July 2025
63AQI
63AQI
31st July 2025
69AQI
69AQI
1st August 2025
61AQI
61AQI
2nd August 2025
62AQI
62AQI
3rd August 2025
59AQI
59AQI
92AQI
71AQI
83AQI
104AQI
87AQI
72AQI
61AQI
61AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202581AQI
23
8
28
1
24
6
14
16
24
7
30
31
3
1
177
37
Highest AQI recorded in
April104AQI
Lowest AQI recorded in
August61AQI
202468AQI
3
13
2
5
4
11
1
30
31
8
23
1
28
11
20
1
26
3
16
15
24
209
19
Highest AQI recorded in
December103AQI
Lowest AQI recorded in
August55AQI
202351AQI
2
1
13
18
15
19
Highest AQI recorded in
December51AQI
Lowest AQI recorded in
November45AQI
202159AQI
1
1
Highest AQI recorded in
January59AQI
Lowest AQI recorded in
January59AQI
202067AQI
1
10
2
2
18
1
5
13
4
26
1
30
5
26
30
2
29
9
17
3
1
8
18
4
37
217
10
1
Highest AQI recorded in
November76AQI
Lowest AQI recorded in
May56AQI
Most & Least Polluted Years Over the Last 5 Years
Most Polluted Year Recorded
2025(Avg.)
81AQILeast Polluted Year Recorded
2023(Avg.)
51AQIHziyan's annual 2025 AQI (81) shows an average percentage change of 34.4% (worsened AQI) compared to previous years: 2020 (67), 2021 (59), 2023 (51), 2024 (68).
