Miyun Reservoir, Sanhe, Hebei, 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
Miyun Reservoir, Sanhe, Hebei, China
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
9th Aug 2024
92AQILowest AQI recorded on
12th Aug 2024
26AQISame Day Analysis (2nd August ):
On this day, AQI across the 2 years varied significantly: 2025 ranks 1st highest AQI at 67 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
Miyun Reservoir, Sanhe, Hebei, China
AQI
Day
Night
.
4 AM3rd Aug 2025
7 PM
3 AM4th Aug 2025
Day time
Avg. Highest Time
5AM3rd Aug
64AQI
Avg. Lowest Time
9AM3rd Aug
50AQI
Night time
Avg. Highest Time
4AM3rd Aug
64AQI
Avg. Lowest Time
3AM4th Aug
60AQI
In the last 24 hours,
Miyun Reservoir's AQI reached its highest point of 64 at 4 AM during the Night, while the lowest point, 50, was recorded at 9 AM during the Day between 3rd Aug and 4th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Miyun Reservoir, Sanhe, Hebei, 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 2025664 AMAQI
5th Jul 2025665 AMAQI
5th Jul 2025666 AMAQI
5th Jul 2025667 AMAQI
5th Jul 2025588 AMAQI
5th Jul 2025559 AMAQI
5th Jul 20255910 AMAQI
5th Jul 20255811 AMAQI
5th Jul 20255812 PMAQI
5th Jul 2025571 PMAQI
5th Jul 2025552 PMAQI
5th Jul 2025533 PMAQI
5th Jul 2025524 PMAQI
5th Jul 2025525 PMAQI
5th Jul 2025526 PMAQI
5th Jul 2025547 PMAQI
5th Jul 2025648 PMAQI
5th Jul 2025649 PMAQI
5th Jul 20256410 PMAQI
5th Jul 20256311 PMAQI
6th Jul 20256412 AMAQI
6th Jul 2025651 AMAQI
6th Jul 2025652 AMAQI
6th Jul 2025653 AMAQI
28°C25/34°C
6th Jul 2025654 AMAQI
6th Jul 2025655 AMAQI
6th Jul 2025656 AMAQI
6th Jul 2025667 AMAQI
6th Jul 2025498 AMAQI
6th Jul 2025359 AMAQI
6th Jul 20253210 AMAQI
6th Jul 20252811 AMAQI
6th Jul 20254912 PMAQI
6th Jul 2025461 PMAQI
6th Jul 2025472 PMAQI
6th Jul 2025483 PMAQI
6th Jul 2025504 PMAQI
6th Jul 2025505 PMAQI
6th Jul 2025526 PMAQI
6th Jul 2025547 PMAQI
6th Jul 2025638 PMAQI
6th Jul 2025629 PMAQI
6th Jul 20256210 PMAQI
6th Jul 20256311 PMAQI
7th Jul 20256312 AMAQI
7th Jul 2025641 AMAQI
7th Jul 2025652 AMAQI
7th Jul 2025643 AMAQI
27°C24/32°C
7th Jul 2025634 AMAQI
7th Jul 2025635 AMAQI
7th Jul 2025646 AMAQI
7th Jul 2025647 AMAQI
7th Jul 2025528 AMAQI
7th Jul 2025479 AMAQI
7th Jul 20255010 AMAQI
7th Jul 20254811 AMAQI
7th Jul 20255412 PMAQI
7th Jul 2025561 PMAQI
7th Jul 2025582 PMAQI
7th Jul 2025613 PMAQI
7th Jul 2025624 PMAQI
7th Jul 2025645 PMAQI
7th Jul 2025646 PMAQI
7th Jul 2025647 PMAQI
7th Jul 2025628 PMAQI
7th Jul 2025639 PMAQI
7th Jul 20256510 PMAQI
7th Jul 20256311 PMAQI
8th Jul 20256312 AMAQI
8th Jul 2025631 AMAQI
8th Jul 2025632 AMAQI
8th Jul 2025633 AMAQI
27°C22/33°C
8th Jul 2025644 AMAQI
8th Jul 2025625 AMAQI
8th Jul 2025626 AMAQI
8th Jul 2025637 AMAQI
8th Jul 2025668 AMAQI
8th Jul 2025719 AMAQI
8th Jul 20257410 AMAQI
8th Jul 20257611 AMAQI
8th Jul 20257212 PMAQI
8th Jul 2025751 PMAQI
8th Jul 2025762 PMAQI
8th Jul 2025683 PMAQI
8th Jul 2025664 PMAQI
8th Jul 2025665 PMAQI
8th Jul 2025646 PMAQI
8th Jul 2025637 PMAQI
8th Jul 2025638 PMAQI
8th Jul 2025649 PMAQI
8th Jul 20256410 PMAQI
8th Jul 20256411 PMAQI
9th Jul 20256412 AMAQI
9th Jul 2025631 AMAQI
9th Jul 2025632 AMAQI
9th Jul 2025633 AMAQI
26°C21/31°C
9th Jul 2025634 AMAQI
9th Jul 2025635 AMAQI
9th Jul 2025636 AMAQI
9th Jul 2025647 AMAQI
9th Jul 2025768 AMAQI
9th Jul 2025809 AMAQI
9th Jul 20257810 AMAQI
9th Jul 20258611 AMAQI
9th Jul 20257612 PMAQI
9th Jul 2025691 PMAQI
9th Jul 2025682 PMAQI
9th Jul 2025663 PMAQI
9th Jul 2025624 PMAQI
9th Jul 2025615 PMAQI
9th Jul 2025646 PMAQI
9th Jul 2025647 PMAQI
9th Jul 2025648 PMAQI
9th Jul 2025649 PMAQI
9th Jul 20256510 PMAQI
9th Jul 20256511 PMAQI
10th Jul 20256612 AMAQI
10th Jul 2025641 AMAQI
10th Jul 2025642 AMAQI
10th Jul 2025643 AMAQI
27°C22/33°C
10th Jul 2025654 AMAQI
10th Jul 2025645 AMAQI
10th Jul 2025666 AMAQI
10th Jul 2025647 AMAQI
10th Jul 2025848 AMAQI
10th Jul 2025799 AMAQI
10th Jul 20257410 AMAQI
10th Jul 20258411 AMAQI
10th Jul 20257412 PMAQI
10th Jul 2025731 PMAQI
10th Jul 2025632 PMAQI
10th Jul 2025593 PMAQI
10th Jul 2025594 PMAQI
10th Jul 2025645 PMAQI
10th Jul 2025626 PMAQI
10th Jul 2025657 PMAQI
10th Jul 2025668 PMAQI
10th Jul 2025679 PMAQI
10th Jul 20256810 PMAQI
10th Jul 20256811 PMAQI
11th Jul 20256712 AMAQI
11th Jul 2025641 AMAQI
11th Jul 2025652 AMAQI
11th Jul 2025653 AMAQI
27°C23/32°C
11th Jul 2025664 AMAQI
11th Jul 2025665 AMAQI
11th Jul 2025676 AMAQI
11th Jul 2025677 AMAQI
11th Jul 2025898 AMAQI
11th Jul 2025889 AMAQI
11th Jul 20258210 AMAQI
11th Jul 20258011 AMAQI
11th Jul 20258012 PMAQI
11th Jul 2025791 PMAQI
11th Jul 2025762 PMAQI
11th Jul 2025783 PMAQI
11th Jul 2025814 PMAQI
11th Jul 2025805 PMAQI
11th Jul 2025806 PMAQI
11th Jul 2025797 PMAQI
11th Jul 2025708 PMAQI
11th Jul 2025709 PMAQI
11th Jul 20256910 PMAQI
11th Jul 20257011 PMAQI
12th Jul 20256912 AMAQI
12th Jul 2025671 AMAQI
12th Jul 2025662 AMAQI
12th Jul 2025673 AMAQI
28°C23/34°C
12th Jul 2025694 AMAQI
12th Jul 2025685 AMAQI
12th Jul 2025686 AMAQI
12th Jul 2025687 AMAQI
12th Jul 2025988 AMAQI
12th Jul 20251159 AMAQI
12th Jul 202510710 AMAQI
12th Jul 202510011 AMAQI
12th Jul 20258512 PMAQI
12th Jul 2025861 PMAQI
12th Jul 2025842 PMAQI
12th Jul 2025813 PMAQI
12th Jul 2025824 PMAQI
12th Jul 2025835 PMAQI
12th Jul 2025706 PMAQI
12th Jul 2025617 PMAQI
12th Jul 2025668 PMAQI
12th Jul 2025689 PMAQI
12th Jul 20256710 PMAQI
12th Jul 20256811 PMAQI
13th Jul 20256712 AMAQI
13th Jul 2025681 AMAQI
13th Jul 2025682 AMAQI
13th Jul 2025693 AMAQI
27°C21/35°C
13th Jul 2025684 AMAQI
13th Jul 2025705 AMAQI
13th Jul 2025696 AMAQI
13th Jul 2025697 AMAQI
13th Jul 2025538 AMAQI
13th Jul 2025389 AMAQI
13th Jul 20254010 AMAQI
13th Jul 20254211 AMAQI
13th Jul 20255212 PMAQI
13th Jul 2025521 PMAQI
13th Jul 2025542 PMAQI
13th Jul 2025563 PMAQI
13th Jul 2025514 PMAQI
13th Jul 2025525 PMAQI
13th Jul 2025526 PMAQI
13th Jul 2025567 PMAQI
13th Jul 2025668 PMAQI
13th Jul 2025679 PMAQI
13th Jul 20256610 PMAQI
13th Jul 20256611 PMAQI
14th Jul 20256612 AMAQI
14th Jul 2025681 AMAQI
14th Jul 2025682 AMAQI
14th Jul 2025683 AMAQI
28°C21/36°C
14th Jul 2025674 AMAQI
14th Jul 2025675 AMAQI
14th Jul 2025686 AMAQI
14th Jul 2025677 AMAQI
14th Jul 2025478 AMAQI
14th Jul 2025379 AMAQI
14th Jul 20253510 AMAQI
14th Jul 20254011 AMAQI
14th Jul 20255212 PMAQI
14th Jul 2025541 PMAQI
14th Jul 2025562 PMAQI
14th Jul 2025593 PMAQI
14th Jul 2025604 PMAQI
14th Jul 2025635 PMAQI
14th Jul 2025646 PMAQI
14th Jul 2025677 PMAQI
14th Jul 2025668 PMAQI
14th Jul 2025679 PMAQI
14th Jul 20256810 PMAQI
14th Jul 20256611 PMAQI
15th Jul 20256612 AMAQI
15th Jul 2025681 AMAQI
15th Jul 2025682 AMAQI
15th Jul 2025663 AMAQI
29°C22/35°C
15th Jul 2025664 AMAQI
15th Jul 2025675 AMAQI
15th Jul 2025666 AMAQI
15th Jul 2025667 AMAQI
15th Jul 2025668 AMAQI
15th Jul 2025649 AMAQI
15th Jul 20256410 AMAQI
15th Jul 20256211 AMAQI
15th Jul 20256212 PMAQI
15th Jul 2025631 PMAQI
15th Jul 2025642 PMAQI
15th Jul 2025653 PMAQI
15th Jul 2025704 PMAQI
15th Jul 2025705 PMAQI
15th Jul 2025686 PMAQI
15th Jul 2025647 PMAQI
15th Jul 2025688 PMAQI
15th Jul 2025689 PMAQI
15th Jul 20256810 PMAQI
15th Jul 20256811 PMAQI
16th Jul 20256612 AMAQI
16th Jul 2025661 AMAQI
16th Jul 2025662 AMAQI
16th Jul 2025663 AMAQI
24°C19/27°C
16th Jul 2025664 AMAQI
16th Jul 2025675 AMAQI
16th Jul 2025666 AMAQI
16th Jul 2025667 AMAQI
16th Jul 2025698 AMAQI
16th Jul 2025719 AMAQI
16th Jul 20256010 AMAQI
16th Jul 20255311 AMAQI
16th Jul 20255612 PMAQI
16th Jul 2025551 PMAQI
16th Jul 2025552 PMAQI
16th Jul 2025543 PMAQI
16th Jul 2025524 PMAQI
16th Jul 2025515 PMAQI
16th Jul 2025496 PMAQI
16th Jul 2025537 PMAQI
16th Jul 2025638 PMAQI
16th Jul 2025649 PMAQI
16th Jul 20256410 PMAQI
16th Jul 20256411 PMAQI
17th Jul 20256412 AMAQI
17th Jul 2025661 AMAQI
17th Jul 2025662 AMAQI
17th Jul 2025663 AMAQI
24°C19/30°C
17th Jul 2025664 AMAQI
17th Jul 2025655 AMAQI
17th Jul 2025656 AMAQI
17th Jul 2025647 AMAQI
17th Jul 2025368 AMAQI
17th Jul 2025269 AMAQI
17th Jul 20252610 AMAQI
17th Jul 20252911 AMAQI
17th Jul 20255012 PMAQI
17th Jul 2025501 PMAQI
17th Jul 2025522 PMAQI
17th Jul 2025513 PMAQI
17th Jul 2025514 PMAQI
17th Jul 2025525 PMAQI
17th Jul 2025526 PMAQI
17th Jul 2025527 PMAQI
17th Jul 2025628 PMAQI
17th Jul 2025639 PMAQI
17th Jul 20256210 PMAQI
17th Jul 20256211 PMAQI
18th Jul 20256312 AMAQI
18th Jul 2025641 AMAQI
18th Jul 2025642 AMAQI
18th Jul 2025643 AMAQI
27°C19/35°C
18th Jul 2025634 AMAQI
18th Jul 2025625 AMAQI
18th Jul 2025636 AMAQI
18th Jul 2025637 AMAQI
18th Jul 2025568 AMAQI
18th Jul 2025529 AMAQI
18th Jul 20254510 AMAQI
18th Jul 20254911 AMAQI
18th Jul 20255712 PMAQI
18th Jul 2025591 PMAQI
18th Jul 2025582 PMAQI
18th Jul 2025583 PMAQI
18th Jul 2025594 PMAQI
18th Jul 2025585 PMAQI
18th Jul 2025606 PMAQI
18th Jul 2025627 PMAQI
18th Jul 2025648 PMAQI
18th Jul 2025649 PMAQI
18th Jul 20256410 PMAQI
18th Jul 20256411 PMAQI
19th Jul 20256412 AMAQI
19th Jul 2025631 AMAQI
19th Jul 2025622 AMAQI
19th Jul 2025633 AMAQI
28°C21/36°C
19th Jul 2025634 AMAQI
19th Jul 2025635 AMAQI
19th Jul 2025636 AMAQI
19th Jul 2025637 AMAQI
19th Jul 2025798 AMAQI
19th Jul 2025849 AMAQI
19th Jul 20258510 AMAQI
19th Jul 20258211 AMAQI
19th Jul 20257712 PMAQI
19th Jul 2025801 PMAQI
19th Jul 2025752 PMAQI
19th Jul 2025753 PMAQI
19th Jul 2025754 PMAQI
19th Jul 2025745 PMAQI
19th Jul 2025726 PMAQI
19th Jul 2025737 PMAQI
19th Jul 2025668 PMAQI
19th Jul 2025669 PMAQI
19th Jul 20256610 PMAQI
19th Jul 20256611 PMAQI
20th Jul 20256512 AMAQI
20th Jul 2025631 AMAQI
20th Jul 2025632 AMAQI
20th Jul 2025633 AMAQI
27°C22/32°C
20th Jul 2025644 AMAQI
20th Jul 2025645 AMAQI
20th Jul 2025646 AMAQI
20th Jul 2025647 AMAQI
20th Jul 2025428 AMAQI
20th Jul 2025229 AMAQI
20th Jul 20254210 AMAQI
20th Jul 20252511 AMAQI
20th Jul 20252912 PMAQI
20th Jul 2025271 PMAQI
20th Jul 2025322 PMAQI
20th Jul 2025373 PMAQI
20th Jul 2025364 PMAQI
20th Jul 2025385 PMAQI
20th Jul 2025296 PMAQI
20th Jul 2025407 PMAQI
20th Jul 2025558 PMAQI
20th Jul 2025569 PMAQI
20th Jul 20255610 PMAQI
20th Jul 20255611 PMAQI
21st Jul 20256012 AMAQI
21st Jul 2025641 AMAQI
21st Jul 2025642 AMAQI
21st Jul 2025633 AMAQI
21°C19/21°C
21st Jul 2025594 AMAQI
21st Jul 2025605 AMAQI
21st Jul 2025606 AMAQI
21st Jul 2025607 AMAQI
21st Jul 2025578 AMAQI
21st Jul 2025509 AMAQI
21st Jul 20255210 AMAQI
21st Jul 20255011 AMAQI
21st Jul 20254312 PMAQI
21st Jul 2025431 PMAQI
21st Jul 2025422 PMAQI
21st Jul 2025433 PMAQI
21st Jul 2025414 PMAQI
21st Jul 2025445 PMAQI
21st Jul 2025436 PMAQI
21st Jul 2025477 PMAQI
21st Jul 2025578 PMAQI
21st Jul 2025589 PMAQI
21st Jul 20255910 PMAQI
21st Jul 20255911 PMAQI
22nd Jul 20256212 AMAQI
22nd Jul 2025601 AMAQI
22nd Jul 2025612 AMAQI
22nd Jul 2025603 AMAQI
26°C19/34°C
22nd Jul 2025594 AMAQI
22nd Jul 2025595 AMAQI
22nd Jul 2025586 AMAQI
22nd Jul 2025587 AMAQI
22nd Jul 2025668 AMAQI
22nd Jul 2025729 AMAQI
22nd Jul 20258210 AMAQI
22nd Jul 20258411 AMAQI
22nd Jul 20258512 PMAQI
22nd Jul 2025751 PMAQI
22nd Jul 2025662 PMAQI
22nd Jul 2025633 PMAQI
22nd Jul 2025644 PMAQI
22nd Jul 2025695 PMAQI
22nd Jul 2025746 PMAQI
22nd Jul 2025687 PMAQI
22nd Jul 2025658 PMAQI
22nd Jul 2025659 PMAQI
22nd Jul 20256510 PMAQI
22nd Jul 20256611 PMAQI
23rd Jul 20256612 AMAQI
23rd Jul 2025601 AMAQI
23rd Jul 2025612 AMAQI
23rd Jul 2025623 AMAQI
27°C21/33°C
23rd Jul 2025634 AMAQI
23rd Jul 2025635 AMAQI
23rd Jul 2025646 AMAQI
23rd Jul 2025637 AMAQI
23rd Jul 2025888 AMAQI
23rd Jul 2025989 AMAQI
23rd Jul 20259610 AMAQI
23rd Jul 20258511 AMAQI
23rd Jul 20258012 PMAQI
23rd Jul 2025741 PMAQI
23rd Jul 2025682 PMAQI
23rd Jul 2025663 PMAQI
23rd Jul 2025614 PMAQI
23rd Jul 2025575 PMAQI
23rd Jul 2025556 PMAQI
23rd Jul 2025577 PMAQI
23rd Jul 2025608 PMAQI
23rd Jul 2025609 PMAQI
23rd Jul 20255810 PMAQI
23rd Jul 20255611 PMAQI
24th Jul 20255812 AMAQI
24th Jul 2025621 AMAQI
24th Jul 2025642 AMAQI
24th Jul 2025643 AMAQI
26°C21/33°C
24th Jul 2025644 AMAQI
24th Jul 2025645 AMAQI
24th Jul 2025656 AMAQI
24th Jul 2025657 AMAQI
24th Jul 2025568 AMAQI
24th Jul 2025519 AMAQI
24th Jul 20254410 AMAQI
24th Jul 20254611 AMAQI
24th Jul 20255812 PMAQI
24th Jul 2025621 PMAQI
24th Jul 2025642 PMAQI
24th Jul 2025703 PMAQI
24th Jul 2025704 PMAQI
24th Jul 2025765 PMAQI
24th Jul 2025746 PMAQI
24th Jul 2025647 PMAQI
24th Jul 2025598 PMAQI
24th Jul 2025569 PMAQI
24th Jul 20255510 PMAQI
24th Jul 20255311 PMAQI
25th Jul 20255612 AMAQI
25th Jul 2025631 AMAQI
25th Jul 2025642 AMAQI
25th Jul 2025633 AMAQI
24°C23/28°C
25th Jul 2025614 AMAQI
25th Jul 2025615 AMAQI
25th Jul 2025616 AMAQI
25th Jul 2025617 AMAQI
25th Jul 2025428 AMAQI
25th Jul 2025499 AMAQI
25th Jul 20254810 AMAQI
25th Jul 20253411 AMAQI
25th Jul 20253712 PMAQI
25th Jul 2025441 PMAQI
25th Jul 2025582 PMAQI
25th Jul 2025713 PMAQI
25th Jul 2025764 PMAQI
25th Jul 2025805 PMAQI
25th Jul 2025786 PMAQI
25th Jul 2025767 PMAQI
25th Jul 2025698 PMAQI
25th Jul 2025699 PMAQI
25th Jul 20256610 PMAQI
25th Jul 20256211 PMAQI
26th Jul 20256312 AMAQI
26th Jul 2025591 AMAQI
26th Jul 2025602 AMAQI
26th Jul 2025593 AMAQI
25°C23/28°C
26th Jul 2025604 AMAQI
26th Jul 2025605 AMAQI
26th Jul 2025606 AMAQI
26th Jul 2025607 AMAQI
26th Jul 2025958 AMAQI
26th Jul 2025969 AMAQI
26th Jul 20258610 AMAQI
26th Jul 20258411 AMAQI
26th Jul 20257912 PMAQI
26th Jul 2025801 PMAQI
26th Jul 2025782 PMAQI
26th Jul 2025723 PMAQI
26th Jul 2025664 PMAQI
26th Jul 2025645 PMAQI
26th Jul 2025606 PMAQI
26th Jul 2025627 PMAQI
26th Jul 2025648 PMAQI
26th Jul 2025629 PMAQI
26th Jul 20255810 PMAQI
26th Jul 20255611 PMAQI
27th Jul 20255712 AMAQI
27th Jul 2025601 AMAQI
27th Jul 2025602 AMAQI
27th Jul 2025623 AMAQI
26°C23/30°C
27th Jul 2025634 AMAQI
27th Jul 2025645 AMAQI
27th Jul 2025646 AMAQI
27th Jul 2025647 AMAQI
27th Jul 2025738 AMAQI
27th Jul 2025759 AMAQI
27th Jul 20258010 AMAQI
27th Jul 20257511 AMAQI
27th Jul 20258212 PMAQI
27th Jul 2025701 PMAQI
27th Jul 2025752 PMAQI
27th Jul 2025703 PMAQI
27th Jul 2025544 PMAQI
27th Jul 2025535 PMAQI
27th Jul 2025506 PMAQI
27th Jul 2025527 PMAQI
27th Jul 2025588 PMAQI
27th Jul 2025589 PMAQI
27th Jul 20255710 PMAQI
27th Jul 20255811 PMAQI
28th Jul 20255912 AMAQI
28th Jul 2025611 AMAQI
28th Jul 2025622 AMAQI
28th Jul 2025623 AMAQI
25°C23/28°C
28th Jul 2025634 AMAQI
28th Jul 2025645 AMAQI
28th Jul 2025626 AMAQI
28th Jul 2025637 AMAQI
28th Jul 2025328 AMAQI
28th Jul 2025219 AMAQI
28th Jul 20252310 AMAQI
28th Jul 20252311 AMAQI
28th Jul 20252612 PMAQI
28th Jul 2025241 PMAQI
28th Jul 2025282 PMAQI
28th Jul 2025253 PMAQI
28th Jul 2025384 PMAQI
28th Jul 2025495 PMAQI
28th Jul 2025546 PMAQI
28th Jul 2025567 PMAQI
28th Jul 2025588 PMAQI
28th Jul 2025599 PMAQI
28th Jul 20256010 PMAQI
28th Jul 20255911 PMAQI
29th Jul 20256012 AMAQI
29th Jul 2025611 AMAQI
29th Jul 2025622 AMAQI
29th Jul 2025603 AMAQI
26°C23/30°C
29th Jul 2025594 AMAQI
29th Jul 2025595 AMAQI
29th Jul 2025596 AMAQI
29th Jul 2025597 AMAQI
29th Jul 2025328 AMAQI
29th Jul 2025239 AMAQI
29th Jul 20252010 AMAQI
29th Jul 20252211 AMAQI
29th Jul 20252512 PMAQI
29th Jul 2025281 PMAQI
29th Jul 2025292 PMAQI
29th Jul 2025293 PMAQI
29th Jul 2025304 PMAQI
29th Jul 2025295 PMAQI
29th Jul 2025316 PMAQI
29th Jul 2025367 PMAQI
29th Jul 2025548 PMAQI
29th Jul 2025539 PMAQI
29th Jul 20255310 PMAQI
29th Jul 20255211 PMAQI
30th Jul 20255312 AMAQI
30th Jul 2025601 AMAQI
30th Jul 2025602 AMAQI
30th Jul 2025603 AMAQI
23°C21/27°C
30th Jul 2025564 AMAQI
30th Jul 2025565 AMAQI
30th Jul 2025566 AMAQI
30th Jul 2025567 AMAQI
30th Jul 2025438 AMAQI
30th Jul 2025399 AMAQI
30th Jul 20253210 AMAQI
30th Jul 20253011 AMAQI
30th Jul 20252912 PMAQI
30th Jul 2025311 PMAQI
30th Jul 2025342 PMAQI
30th Jul 2025313 PMAQI
30th Jul 2025334 PMAQI
30th Jul 2025365 PMAQI
30th Jul 2025336 PMAQI
30th Jul 2025417 PMAQI
30th Jul 2025528 PMAQI
30th Jul 2025549 PMAQI
30th Jul 20255210 PMAQI
30th Jul 20255211 PMAQI
31st Jul 20255312 AMAQI
31st Jul 2025561 AMAQI
31st Jul 2025562 AMAQI
31st Jul 2025573 AMAQI
23°C18/28°C
31st Jul 2025574 AMAQI
31st Jul 2025575 AMAQI
31st Jul 2025576 AMAQI
31st Jul 2025577 AMAQI
31st Jul 2025578 AMAQI
31st Jul 2025579 AMAQI
31st Jul 20255010 AMAQI
31st Jul 20255111 AMAQI
31st Jul 20255312 PMAQI
31st Jul 2025551 PMAQI
31st Jul 2025552 PMAQI
31st Jul 2025573 PMAQI
31st Jul 2025584 PMAQI
31st Jul 2025595 PMAQI
31st Jul 2025626 PMAQI
31st Jul 2025627 PMAQI
31st Jul 2025628 PMAQI
31st Jul 2025629 PMAQI
31st Jul 20256010 PMAQI
31st Jul 20256311 PMAQI
1st Aug 20256312 AMAQI
1st Aug 2025581 AMAQI
1st Aug 2025572 AMAQI
1st Aug 2025583 AMAQI
23°C20/26°C
1st Aug 2025584 AMAQI
1st Aug 2025595 AMAQI
1st Aug 2025596 AMAQI
1st Aug 2025597 AMAQI
1st Aug 2025748 AMAQI
1st Aug 2025649 AMAQI
1st Aug 20257510 AMAQI
1st Aug 20257011 AMAQI
1st Aug 20256612 PMAQI
1st Aug 2025661 PMAQI
1st Aug 2025682 PMAQI
1st Aug 2025703 PMAQI
1st Aug 2025724 PMAQI
1st Aug 2025765 PMAQI
1st Aug 2025706 PMAQI
1st Aug 2025727 PMAQI
1st Aug 2025688 PMAQI
1st Aug 2025719 PMAQI
1st Aug 20257010 PMAQI
1st Aug 20257211 PMAQI
2nd Aug 20256512 AMAQI
2nd Aug 2025581 AMAQI
2nd Aug 2025582 AMAQI
2nd Aug 2025593 AMAQI
25°C20/30°C
2nd Aug 2025614 AMAQI
2nd Aug 2025615 AMAQI
2nd Aug 2025626 AMAQI
2nd Aug 2025627 AMAQI
2nd Aug 2025858 AMAQI
2nd Aug 20251009 AMAQI
2nd Aug 20258010 AMAQI
2nd Aug 20257811 AMAQI
2nd Aug 20257512 PMAQI
2nd Aug 2025721 PMAQI
2nd Aug 2025702 PMAQI
2nd Aug 2025743 PMAQI
2nd Aug 2025704 PMAQI
2nd Aug 2025685 PMAQI
2nd Aug 2025716 PMAQI
2nd Aug 2025717 PMAQI
2nd Aug 2025668 PMAQI
2nd Aug 2025669 PMAQI
2nd Aug 20256910 PMAQI
2nd Aug 20256511 PMAQI
3rd Aug 20256312 AMAQI
3rd Aug 2025591 AMAQI
3rd Aug 2025592 AMAQI
3rd Aug 2025633 AMAQI
25°C21/30°C
3rd Aug 2025644 AMAQI
3rd Aug 2025645 AMAQI
3rd Aug 2025646 AMAQI
3rd Aug 2025627 AMAQI
3rd Aug 2025568 AMAQI
3rd Aug 2025509 AMAQI
3rd Aug 20255210 AMAQI
3rd Aug 20255311 AMAQI
3rd Aug 20255912 PMAQI
3rd Aug 2025531 PMAQI
3rd Aug 2025552 PMAQI
3rd Aug 2025523 PMAQI
3rd Aug 2025544 PMAQI
3rd Aug 2025575 PMAQI
3rd Aug 2025546 PMAQI
3rd Aug 2025567 PMAQI
3rd Aug 2025608 PMAQI
3rd Aug 2025629 PMAQI
3rd Aug 20256210 PMAQI
3rd Aug 20256311 PMAQI
4th Aug 20256212 AMAQI
4th Aug 2025611 AMAQI
4th Aug 2025602 AMAQI
4th Aug 2025603 AMAQI
26°C22/30°C
4th Aug 2025604 AMAQI
4 AM4th Aug 2025605 AMAQI
4th Aug 2025606 AMAQI
4th Aug 2025607 AMAQI
4th Aug 2025648 AMAQI
4th Aug 2025549 AMAQI
11 AM
7 PM
11 PM
3 AM
--°C/°C
Day time
Avg. Highest Time
4 AM - 7 PM
60AQI
16 hours / Day
480 hours / Month
Avg. Lowest Time
4 AM - 7 PM
60AQI
16 hours / Day
480 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 4 AM to 7 PM (Avg. 60), while the lowest AQI was between 4 AM to 7 PM (Avg. 60).
Night time
Avg. Highest Time
12 AM - 11 PM
63AQI
8 hours / Day
240 hours / Month
Avg. Lowest Time
12 AM - 11 PM
63AQI
8 hours / Day
240 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 11 PM (Avg. 63), while the lowest AQI was between 12 AM to 11 PM (Avg. 63).
2025 Days Vs Air Quality
Miyun Reservoir, Sanhe, Hebei, China
2025
13%
27
75%
160
10%
22
2%
5
Total number of days with different AQI categories in last 216 days in 2025 (149 days remaining)
Good
27 DaysModerate
160 DaysPoor
22 DaysUnhealthy
5 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 13%
Health Risk Level:
Extreme
In 2025, 13% of 216 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
Miyun Reservoir, Sanhe, Hebei, 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
79AQI
79AQI
2nd January 2025
77AQI
77AQI
3rd January 2025
72AQI
72AQI
4th January 2025
79AQI
79AQI
5th January 2025
64AQI
64AQI
6th January 2025
47AQI
47AQI
7th January 2025
45AQI
45AQI
8th January 2025
39AQI
39AQI
9th January 2025
41AQI
41AQI
10th January 2025
45AQI
45AQI
11th January 2025
59AQI
59AQI
12th January 2025
54AQI
54AQI
13th January 2025
64AQI
64AQI
14th January 2025
41AQI
41AQI
15th January 2025
55AQI
55AQI
16th January 2025
59AQI
59AQI
17th January 2025
85AQI
85AQI
18th January 2025
108AQI
108AQI
19th January 2025
69AQI
69AQI
20th January 2025
101AQI
101AQI
21st January 2025
65AQI
65AQI
22nd January 2025
94AQI
94AQI
23rd January 2025
126AQI
126AQI
24th January 2025
141AQI
141AQI
25th January 2025
162AQI
162AQI
26th January 2025
117AQI
117AQI
27th January 2025
68AQI
68AQI
28th January 2025
67AQI
67AQI
29th January 2025
101AQI
101AQI
30th January 2025
84AQI
84AQI
31st January 2025
134AQI
134AQI
1st February 2025
128AQI
128AQI
2nd February 2025
88AQI
88AQI
3rd February 2025
62AQI
62AQI
4th February 2025
54AQI
54AQI
5th February 2025
50AQI
50AQI
6th February 2025
47AQI
47AQI
7th February 2025
37AQI
37AQI
8th February 2025
41AQI
41AQI
9th February 2025
40AQI
40AQI
10th February 2025
88AQI
88AQI
11th February 2025
131AQI
131AQI
12th February 2025
62AQI
62AQI
13th February 2025
100AQI
100AQI
14th February 2025
78AQI
78AQI
15th February 2025
97AQI
97AQI
16th February 2025
48AQI
48AQI
17th February 2025
57AQI
57AQI
18th February 2025
51AQI
51AQI
19th February 2025
50AQI
50AQI
20th February 2025
47AQI
47AQI
21st February 2025
39AQI
39AQI
22nd February 2025
44AQI
44AQI
23rd February 2025
40AQI
40AQI
24th February 2025
60AQI
60AQI
25th February 2025
53AQI
53AQI
26th February 2025
75AQI
75AQI
27th February 2025
126AQI
126AQI
28th February 2025
132AQI
132AQI
1st March 2025
181AQI
181AQI
2nd March 2025
94AQI
94AQI
3rd March 2025
100AQI
100AQI
4th March 2025
89AQI
89AQI
5th March 2025
103AQI
103AQI
6th March 2025
59AQI
59AQI
7th March 2025
119AQI
119AQI
8th March 2025
131AQI
131AQI
9th March 2025
160AQI
160AQI
10th March 2025
165AQI
165AQI
11th March 2025
186AQI
186AQI
12th March 2025
89AQI
89AQI
13th March 2025
134AQI
134AQI
14th March 2025
99AQI
99AQI
15th March 2025
100AQI
100AQI
16th March 2025
60AQI
60AQI
17th March 2025
58AQI
58AQI
18th March 2025
50AQI
50AQI
19th March 2025
55AQI
55AQI
20th March 2025
42AQI
42AQI
21st March 2025
49AQI
49AQI
22nd March 2025
60AQI
60AQI
23rd March 2025
120AQI
120AQI
24th March 2025
47AQI
47AQI
25th March 2025
76AQI
76AQI
26th March 2025
81AQI
81AQI
27th March 2025
70AQI
70AQI
28th March 2025
72AQI
72AQI
29th March 2025
65AQI
65AQI
30th March 2025
72AQI
72AQI
31st March 2025
84AQI
84AQI
1st April 2025
73AQI
73AQI
2nd April 2025
68AQI
68AQI
3rd April 2025
80AQI
80AQI
4th April 2025
82AQI
82AQI
5th April 2025
68AQI
68AQI
6th April 2025
83AQI
83AQI
7th April 2025
76AQI
76AQI
8th April 2025
76AQI
76AQI
9th April 2025
77AQI
77AQI
10th April 2025
89AQI
89AQI
11th April 2025
97AQI
97AQI
12th April 2025
87AQI
87AQI
13th April 2025
84AQI
84AQI
14th April 2025
79AQI
79AQI
15th April 2025
80AQI
80AQI
16th April 2025
103AQI
103AQI
17th April 2025
84AQI
84AQI
18th April 2025
75AQI
75AQI
19th April 2025
76AQI
76AQI
20th April 2025
89AQI
89AQI
21st April 2025
92AQI
92AQI
22nd April 2025
73AQI
73AQI
23rd April 2025
76AQI
76AQI
24th April 2025
66AQI
66AQI
25th April 2025
75AQI
75AQI
26th April 2025
102AQI
102AQI
27th April 2025
70AQI
70AQI
28th April 2025
79AQI
79AQI
29th April 2025
81AQI
81AQI
30th April 2025
74AQI
74AQI
1st May 2025
71AQI
71AQI
2nd May 2025
71AQI
71AQI
3rd May 2025
66AQI
66AQI
4th May 2025
73AQI
73AQI
5th May 2025
78AQI
78AQI
6th May 2025
73AQI
73AQI
7th May 2025
89AQI
89AQI
8th May 2025
99AQI
99AQI
9th May 2025
74AQI
74AQI
10th May 2025
83AQI
83AQI
11th May 2025
85AQI
85AQI
12th May 2025
94AQI
94AQI
13th May 2025
90AQI
90AQI
14th May 2025
78AQI
78AQI
15th May 2025
79AQI
79AQI
16th May 2025
102AQI
102AQI
17th May 2025
70AQI
70AQI
18th May 2025
81AQI
81AQI
19th May 2025
77AQI
77AQI
20th May 2025
108AQI
108AQI
21st May 2025
93AQI
93AQI
22nd May 2025
95AQI
95AQI
23rd May 2025
84AQI
84AQI
24th May 2025
79AQI
79AQI
25th May 2025
83AQI
83AQI
26th May 2025
80AQI
80AQI
27th May 2025
75AQI
75AQI
28th May 2025
85AQI
85AQI
29th May 2025
90AQI
90AQI
30th May 2025
105AQI
105AQI
31st May 2025
100AQI
100AQI
1st June 2025
105AQI
105AQI
2nd June 2025
62AQI
62AQI
3rd June 2025
47AQI
47AQI
4th June 2025
45AQI
45AQI
5th June 2025
66AQI
66AQI
6th June 2025
54AQI
54AQI
7th June 2025
53AQI
53AQI
8th June 2025
68AQI
68AQI
9th June 2025
63AQI
63AQI
10th June 2025
59AQI
59AQI
11th June 2025
72AQI
72AQI
12th June 2025
82AQI
82AQI
13th June 2025
80AQI
80AQI
14th June 2025
81AQI
81AQI
15th June 2025
59AQI
59AQI
16th June 2025
55AQI
55AQI
17th June 2025
65AQI
65AQI
18th June 2025
68AQI
68AQI
19th June 2025
65AQI
65AQI
20th June 2025
57AQI
57AQI
21st June 2025
53AQI
53AQI
22nd June 2025
48AQI
48AQI
23rd June 2025
56AQI
56AQI
24th June 2025
63AQI
63AQI
25th June 2025
66AQI
66AQI
26th June 2025
66AQI
66AQI
27th June 2025
77AQI
77AQI
28th June 2025
67AQI
67AQI
29th June 2025
77AQI
77AQI
30th June 2025
68AQI
68AQI
1st July 2025
65AQI
65AQI
2nd July 2025
67AQI
67AQI
3rd July 2025
64AQI
64AQI
4th July 2025
67AQI
67AQI
5th July 2025
62AQI
62AQI
6th July 2025
58AQI
58AQI
7th July 2025
61AQI
61AQI
8th July 2025
65AQI
65AQI
9th July 2025
66AQI
66AQI
10th July 2025
67AQI
67AQI
11th July 2025
72AQI
72AQI
12th July 2025
74AQI
74AQI
13th July 2025
61AQI
61AQI
14th July 2025
63AQI
63AQI
15th July 2025
66AQI
66AQI
16th July 2025
62AQI
62AQI
17th July 2025
57AQI
57AQI
18th July 2025
61AQI
61AQI
19th July 2025
69AQI
69AQI
20th July 2025
49AQI
49AQI
21st July 2025
55AQI
55AQI
22nd July 2025
66AQI
66AQI
23rd July 2025
66AQI
66AQI
24th July 2025
60AQI
60AQI
25th July 2025
60AQI
60AQI
26th July 2025
66AQI
66AQI
27th July 2025
62AQI
62AQI
28th July 2025
51AQI
51AQI
29th July 2025
44AQI
44AQI
30th July 2025
47AQI
47AQI
31st July 2025
58AQI
58AQI
1st August 2025
66AQI
66AQI
2nd August 2025
67AQI
67AQI
79AQI
69AQI
93AQI
80AQI
84AQI
65AQI
62AQI
67AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202576AQI
6
17
7
1
11
13
4
4
18
5
4
28
2
28
3
3
26
1
3
28
2
27
160
22
5
Highest AQI recorded in
March93AQI
Lowest AQI recorded in
July62AQI
202469AQI
7
7
4
1
2
2
2
3
1
1
4
4
11
1
29
1
30
9
22
19
7
3
8
16
6
1
5
14
7
4
11
19
1
69
161
25
7
Highest AQI recorded in
April118AQI
Lowest AQI recorded in
February47AQI
202376AQI
3
9
13
7
2
12
13
7
2
Highest AQI recorded in
December81AQI
Lowest AQI recorded in
November26AQI
202152AQI
11
6
1
11
6
1
Highest AQI recorded in
January52AQI
Lowest AQI recorded in
January52AQI
202071AQI
4
5
2
2
5
12
4
9
5
3
1
3
21
6
2
19
9
1
10
17
4
17
10
3
14
7
5
5
17
4
5
4
21
7
3
102
107
44
13
Highest AQI recorded in
July89AQI
Lowest AQI recorded in
December52AQI
Most & Least Polluted Years Over the Last 5 Years
Most Polluted Year Recorded
2025(Avg.)
76AQILeast Polluted Year Recorded
2021(Avg.)
52AQIMiyun Reservoir's annual 2025 AQI (76) shows an average percentage change of 15.6% (worsened AQI) compared to previous years: 2020 (71), 2021 (52), 2023 (76), 2024 (69).
