Yi County Environmental Protection Bureau, Gaobeidian, 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
Yi County Environmental Protection Bureau, Gaobeidian, Hebei, China
2021
2022
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
11th Aug 2024
99AQILowest AQI recorded on
1st Aug 2021
1AQISame Day Analysis (8th August ):
On this day, AQI across the 4 years varied significantly: 2025 ranks 2nd highest AQI at 66 of Moderate air quality, showing improvement over 2024 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 8th Aug - 9th Aug 2025
Yi County Environmental Protection Bureau, Gaobeidian, Hebei, China
AQI
Day
Night
.
5 AM8th Aug 2025
7 PM
4 AM9th Aug 2025
Day time
Avg. Highest Time
9AM8th Aug
80AQI
Avg. Lowest Time
6PM8th Aug
50AQI
Night time
Avg. Highest Time
1AM9th Aug
66AQI
Avg. Lowest Time
9PM8th Aug
60AQI
In the last 24 hours,
Yi County Environmental Protection Bureau's AQI reached its highest point of 80 at 9 AM during the Day, while the lowest point, 50, was recorded at 6 PM during the Day between 8th Aug and 9th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Yi County Environmental Protection Bureau, Gaobeidian, Hebei, China
JulAug
10th - 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 - 09th09th
Day
Night
10th Jul 2025665 AMAQI
10th Jul 2025666 AMAQI
10th Jul 2025667 AMAQI
10th Jul 2025658 AMAQI
10th Jul 2025609 AMAQI
10th Jul 20257710 AMAQI
10th Jul 20257211 AMAQI
10th Jul 20258412 PMAQI
10th Jul 2025831 PMAQI
10th Jul 2025842 PMAQI
10th Jul 2025793 PMAQI
10th Jul 2025824 PMAQI
10th Jul 2025745 PMAQI
10th Jul 2025696 PMAQI
10th Jul 2025687 PMAQI
10th Jul 2025678 PMAQI
10th Jul 2025689 PMAQI
10th Jul 20256810 PMAQI
10th Jul 20257011 PMAQI
11th Jul 20256912 AMAQI
11th Jul 2025641 AMAQI
11th Jul 2025642 AMAQI
11th Jul 2025643 AMAQI
11th Jul 2025654 AMAQI
28°C24/33°C
11th Jul 2025665 AMAQI
11th Jul 2025676 AMAQI
11th Jul 2025667 AMAQI
11th Jul 2025998 AMAQI
11th Jul 20251239 AMAQI
11th Jul 202512610 AMAQI
11th Jul 202512411 AMAQI
11th Jul 20259512 PMAQI
11th Jul 2025891 PMAQI
11th Jul 2025832 PMAQI
11th Jul 2025793 PMAQI
11th Jul 2025844 PMAQI
11th Jul 2025805 PMAQI
11th Jul 2025816 PMAQI
11th Jul 2025807 PMAQI
11th Jul 2025728 PMAQI
11th Jul 2025739 PMAQI
11th Jul 20257610 PMAQI
11th Jul 20257711 PMAQI
12th Jul 20257712 AMAQI
12th Jul 2025691 AMAQI
12th Jul 2025652 AMAQI
12th Jul 2025683 AMAQI
12th Jul 2025704 AMAQI
30°C26/35°C
12th Jul 2025705 AMAQI
12th Jul 2025706 AMAQI
12th Jul 2025707 AMAQI
12th Jul 20251138 AMAQI
12th Jul 20251249 AMAQI
12th Jul 202512110 AMAQI
12th Jul 202511211 AMAQI
12th Jul 20259212 PMAQI
12th Jul 2025881 PMAQI
12th Jul 2025822 PMAQI
12th Jul 2025813 PMAQI
12th Jul 2025824 PMAQI
12th Jul 2025805 PMAQI
12th Jul 2025786 PMAQI
12th Jul 2025787 PMAQI
12th Jul 2025708 PMAQI
12th Jul 2025729 PMAQI
12th Jul 20257510 PMAQI
12th Jul 20257811 PMAQI
13th Jul 20257512 AMAQI
13th Jul 2025701 AMAQI
13th Jul 2025682 AMAQI
13th Jul 2025703 AMAQI
13th Jul 2025734 AMAQI
31°C26/36°C
13th Jul 2025735 AMAQI
13th Jul 2025736 AMAQI
13th Jul 2025727 AMAQI
13th Jul 2025658 AMAQI
13th Jul 2025599 AMAQI
13th Jul 20255710 AMAQI
13th Jul 20255411 AMAQI
13th Jul 20256012 PMAQI
13th Jul 2025621 PMAQI
13th Jul 2025622 PMAQI
13th Jul 2025573 PMAQI
13th Jul 2025564 PMAQI
13th Jul 2025565 PMAQI
13th Jul 2025566 PMAQI
13th Jul 2025617 PMAQI
13th Jul 2025718 PMAQI
13th Jul 2025719 PMAQI
13th Jul 20257010 PMAQI
13th Jul 20257311 PMAQI
14th Jul 20257012 AMAQI
14th Jul 2025721 AMAQI
14th Jul 2025722 AMAQI
14th Jul 2025723 AMAQI
14th Jul 2025724 AMAQI
31°C24/37°C
14th Jul 2025725 AMAQI
14th Jul 2025726 AMAQI
14th Jul 2025727 AMAQI
14th Jul 2025738 AMAQI
14th Jul 2025829 AMAQI
14th Jul 20258610 AMAQI
14th Jul 20258511 AMAQI
14th Jul 20257612 PMAQI
14th Jul 2025761 PMAQI
14th Jul 2025702 PMAQI
14th Jul 2025703 PMAQI
14th Jul 2025674 PMAQI
14th Jul 2025665 PMAQI
14th Jul 2025646 PMAQI
14th Jul 2025697 PMAQI
14th Jul 2025688 PMAQI
14th Jul 2025689 PMAQI
14th Jul 20257010 PMAQI
14th Jul 20257011 PMAQI
15th Jul 20256812 AMAQI
15th Jul 2025701 AMAQI
15th Jul 2025712 AMAQI
15th Jul 2025713 AMAQI
15th Jul 2025724 AMAQI
31°C25/35°C
15th Jul 2025715 AMAQI
15th Jul 2025726 AMAQI
15th Jul 2025727 AMAQI
15th Jul 2025748 AMAQI
15th Jul 2025829 AMAQI
15th Jul 20257810 AMAQI
15th Jul 20257711 AMAQI
15th Jul 20257612 PMAQI
15th Jul 2025761 PMAQI
15th Jul 2025782 PMAQI
15th Jul 2025773 PMAQI
15th Jul 2025844 PMAQI
15th Jul 2025805 PMAQI
15th Jul 2025796 PMAQI
15th Jul 2025717 PMAQI
15th Jul 2025688 PMAQI
15th Jul 2025689 PMAQI
15th Jul 20256910 PMAQI
15th Jul 20257011 PMAQI
16th Jul 20257012 AMAQI
16th Jul 2025691 AMAQI
16th Jul 2025692 AMAQI
16th Jul 2025693 AMAQI
16th Jul 2025684 AMAQI
28°C23/34°C
16th Jul 2025695 AMAQI
16th Jul 2025696 AMAQI
16th Jul 2025697 AMAQI
16th Jul 2025878 AMAQI
16th Jul 2025929 AMAQI
16th Jul 20258410 AMAQI
16th Jul 20258011 AMAQI
16th Jul 20257412 PMAQI
16th Jul 2025741 PMAQI
16th Jul 2025682 PMAQI
16th Jul 2025643 PMAQI
16th Jul 2025604 PMAQI
16th Jul 2025605 PMAQI
16th Jul 2025566 PMAQI
16th Jul 2025607 PMAQI
16th Jul 2025668 PMAQI
16th Jul 2025669 PMAQI
16th Jul 20256610 PMAQI
16th Jul 20256811 PMAQI
17th Jul 20256712 AMAQI
17th Jul 2025681 AMAQI
17th Jul 2025682 AMAQI
17th Jul 2025693 AMAQI
17th Jul 2025704 AMAQI
26°C20/32°C
17th Jul 2025695 AMAQI
17th Jul 2025706 AMAQI
17th Jul 2025707 AMAQI
17th Jul 2025748 AMAQI
17th Jul 2025689 AMAQI
17th Jul 20254510 AMAQI
17th Jul 20253311 AMAQI
17th Jul 20255312 PMAQI
17th Jul 2025521 PMAQI
17th Jul 2025502 PMAQI
17th Jul 2025503 PMAQI
17th Jul 2025504 PMAQI
17th Jul 2025535 PMAQI
17th Jul 2025526 PMAQI
17th Jul 2025577 PMAQI
17th Jul 2025638 PMAQI
17th Jul 2025649 PMAQI
17th Jul 20256510 PMAQI
17th Jul 20256511 PMAQI
18th Jul 20256712 AMAQI
18th Jul 2025681 AMAQI
18th Jul 2025682 AMAQI
18th Jul 2025673 AMAQI
18th Jul 2025674 AMAQI
29°C23/36°C
18th Jul 2025685 AMAQI
18th Jul 2025676 AMAQI
18th Jul 2025677 AMAQI
18th Jul 2025788 AMAQI
18th Jul 2025769 AMAQI
18th Jul 20256910 AMAQI
18th Jul 20256311 AMAQI
18th Jul 20256212 PMAQI
18th Jul 2025601 PMAQI
18th Jul 2025622 PMAQI
18th Jul 2025613 PMAQI
18th Jul 2025604 PMAQI
18th Jul 2025635 PMAQI
18th Jul 2025646 PMAQI
18th Jul 2025647 PMAQI
18th Jul 2025678 PMAQI
18th Jul 2025689 PMAQI
18th Jul 20256910 PMAQI
18th Jul 20256811 PMAQI
19th Jul 20256812 AMAQI
19th Jul 2025671 AMAQI
19th Jul 2025662 AMAQI
19th Jul 2025663 AMAQI
19th Jul 2025674 AMAQI
30°C24/37°C
19th Jul 2025665 AMAQI
19th Jul 2025666 AMAQI
19th Jul 2025667 AMAQI
19th Jul 2025858 AMAQI
19th Jul 2025869 AMAQI
19th Jul 20258110 AMAQI
19th Jul 20258811 AMAQI
19th Jul 20258612 PMAQI
19th Jul 2025881 PMAQI
19th Jul 2025832 PMAQI
19th Jul 2025743 PMAQI
19th Jul 2025724 PMAQI
19th Jul 2025755 PMAQI
19th Jul 2025786 PMAQI
19th Jul 2025777 PMAQI
19th Jul 2025728 PMAQI
19th Jul 2025729 PMAQI
19th Jul 20257410 PMAQI
19th Jul 20257311 PMAQI
20th Jul 20257312 AMAQI
20th Jul 2025661 AMAQI
20th Jul 2025662 AMAQI
20th Jul 2025683 AMAQI
20th Jul 2025704 AMAQI
29°C26/34°C
20th Jul 2025705 AMAQI
20th Jul 2025706 AMAQI
20th Jul 2025707 AMAQI
20th Jul 2025748 AMAQI
20th Jul 2025709 AMAQI
20th Jul 20257110 AMAQI
20th Jul 20255911 AMAQI
20th Jul 20255212 PMAQI
20th Jul 2025541 PMAQI
20th Jul 2025532 PMAQI
20th Jul 2025543 PMAQI
20th Jul 2025544 PMAQI
20th Jul 2025545 PMAQI
20th Jul 2025536 PMAQI
20th Jul 2025557 PMAQI
20th Jul 2025638 PMAQI
20th Jul 2025639 PMAQI
20th Jul 20256610 PMAQI
20th Jul 20256611 PMAQI
21st Jul 20256412 AMAQI
21st Jul 2025681 AMAQI
21st Jul 2025682 AMAQI
21st Jul 2025683 AMAQI
21st Jul 2025694 AMAQI
24°C22/26°C
21st Jul 2025685 AMAQI
21st Jul 2025686 AMAQI
21st Jul 2025687 AMAQI
21st Jul 2025718 AMAQI
21st Jul 2025789 AMAQI
21st Jul 20257110 AMAQI
21st Jul 20256811 AMAQI
21st Jul 20256512 PMAQI
21st Jul 2025651 PMAQI
21st Jul 2025612 PMAQI
21st Jul 2025563 PMAQI
21st Jul 2025584 PMAQI
21st Jul 2025565 PMAQI
21st Jul 2025546 PMAQI
21st Jul 2025627 PMAQI
21st Jul 2025658 PMAQI
21st Jul 2025669 PMAQI
21st Jul 20257010 PMAQI
21st Jul 20256811 PMAQI
22nd Jul 20257112 AMAQI
22nd Jul 2025681 AMAQI
22nd Jul 2025672 AMAQI
22nd Jul 2025663 AMAQI
22nd Jul 2025664 AMAQI
28°C22/35°C
22nd Jul 2025665 AMAQI
22nd Jul 2025666 AMAQI
22nd Jul 2025667 AMAQI
22nd Jul 2025728 AMAQI
22nd Jul 2025819 AMAQI
22nd Jul 20258210 AMAQI
22nd Jul 20258511 AMAQI
22nd Jul 20257812 PMAQI
22nd Jul 2025711 PMAQI
22nd Jul 2025682 PMAQI
22nd Jul 2025653 PMAQI
22nd Jul 2025624 PMAQI
22nd Jul 2025645 PMAQI
22nd Jul 2025646 PMAQI
22nd Jul 2025647 PMAQI
22nd Jul 2025648 PMAQI
22nd Jul 2025659 PMAQI
22nd Jul 20256610 PMAQI
22nd Jul 20256811 PMAQI
23rd Jul 20257012 AMAQI
23rd Jul 2025651 AMAQI
23rd Jul 2025662 AMAQI
23rd Jul 2025663 AMAQI
23rd Jul 2025664 AMAQI
30°C23/36°C
23rd Jul 2025675 AMAQI
23rd Jul 2025676 AMAQI
23rd Jul 2025667 AMAQI
23rd Jul 2025818 AMAQI
23rd Jul 2025829 AMAQI
23rd Jul 20258510 AMAQI
23rd Jul 20258511 AMAQI
23rd Jul 20257012 PMAQI
23rd Jul 2025661 PMAQI
23rd Jul 2025622 PMAQI
23rd Jul 2025583 PMAQI
23rd Jul 2025574 PMAQI
23rd Jul 2025565 PMAQI
23rd Jul 2025566 PMAQI
23rd Jul 2025587 PMAQI
23rd Jul 2025618 PMAQI
23rd Jul 2025629 PMAQI
23rd Jul 20256110 PMAQI
23rd Jul 20256111 PMAQI
24th Jul 20256212 AMAQI
24th Jul 2025641 AMAQI
24th Jul 2025662 AMAQI
24th Jul 2025683 AMAQI
24th Jul 2025684 AMAQI
28°C24/34°C
24th Jul 2025685 AMAQI
24th Jul 2025686 AMAQI
24th Jul 2025687 AMAQI
24th Jul 2025628 AMAQI
24th Jul 2025619 AMAQI
24th Jul 20255810 AMAQI
24th Jul 20256211 AMAQI
24th Jul 20256912 PMAQI
24th Jul 2025721 PMAQI
24th Jul 2025742 PMAQI
24th Jul 2025763 PMAQI
24th Jul 2025754 PMAQI
24th Jul 2025745 PMAQI
24th Jul 2025696 PMAQI
24th Jul 2025667 PMAQI
24th Jul 2025628 PMAQI
24th Jul 2025629 PMAQI
24th Jul 20256010 PMAQI
24th Jul 20256011 PMAQI
25th Jul 20256212 AMAQI
25th Jul 2025641 AMAQI
25th Jul 2025642 AMAQI
25th Jul 2025653 AMAQI
25th Jul 2025654 AMAQI
27°C24/31°C
25th Jul 2025655 AMAQI
25th Jul 2025656 AMAQI
25th Jul 2025657 AMAQI
25th Jul 2025658 AMAQI
25th Jul 2025689 AMAQI
25th Jul 20257010 AMAQI
25th Jul 20256911 AMAQI
25th Jul 20257212 PMAQI
25th Jul 2025741 PMAQI
25th Jul 2025732 PMAQI
25th Jul 2025743 PMAQI
25th Jul 2025764 PMAQI
25th Jul 2025765 PMAQI
25th Jul 2025826 PMAQI
25th Jul 2025747 PMAQI
25th Jul 2025678 PMAQI
25th Jul 2025689 PMAQI
25th Jul 20256810 PMAQI
25th Jul 20256811 PMAQI
26th Jul 20256812 AMAQI
26th Jul 2025641 AMAQI
26th Jul 2025642 AMAQI
26th Jul 2025653 AMAQI
26th Jul 2025654 AMAQI
28°C25/31°C
26th Jul 2025645 AMAQI
26th Jul 2025666 AMAQI
26th Jul 2025667 AMAQI
26th Jul 2025848 AMAQI
26th Jul 2025909 AMAQI
26th Jul 20257810 AMAQI
26th Jul 20258211 AMAQI
26th Jul 20257712 PMAQI
26th Jul 2025761 PMAQI
26th Jul 2025772 PMAQI
26th Jul 2025763 PMAQI
26th Jul 2025664 PMAQI
26th Jul 2025645 PMAQI
26th Jul 2025666 PMAQI
26th Jul 2025687 PMAQI
26th Jul 2025668 PMAQI
26th Jul 2025659 PMAQI
26th Jul 20256510 PMAQI
26th Jul 20256611 PMAQI
27th Jul 20256412 AMAQI
27th Jul 2025641 AMAQI
27th Jul 2025642 AMAQI
27th Jul 2025663 AMAQI
27th Jul 2025664 AMAQI
30°C25/35°C
27th Jul 2025675 AMAQI
27th Jul 2025676 AMAQI
27th Jul 2025667 AMAQI
27th Jul 2025748 AMAQI
27th Jul 2025839 AMAQI
27th Jul 20258010 AMAQI
27th Jul 20257011 AMAQI
27th Jul 20256512 PMAQI
27th Jul 2025721 PMAQI
27th Jul 2025692 PMAQI
27th Jul 2025693 PMAQI
27th Jul 2025694 PMAQI
27th Jul 2025715 PMAQI
27th Jul 2025666 PMAQI
27th Jul 2025657 PMAQI
27th Jul 2025628 PMAQI
27th Jul 2025629 PMAQI
27th Jul 20256410 PMAQI
27th Jul 20256411 PMAQI
28th Jul 20256612 AMAQI
28th Jul 2025641 AMAQI
28th Jul 2025642 AMAQI
28th Jul 2025653 AMAQI
28th Jul 2025674 AMAQI
28°C26/31°C
28th Jul 2025675 AMAQI
28th Jul 2025686 AMAQI
28th Jul 2025667 AMAQI
28th Jul 2025678 AMAQI
28th Jul 2025859 AMAQI
28th Jul 20257810 AMAQI
28th Jul 20256911 AMAQI
28th Jul 20256612 PMAQI
28th Jul 2025611 PMAQI
28th Jul 2025582 PMAQI
28th Jul 2025623 PMAQI
28th Jul 2025624 PMAQI
28th Jul 2025645 PMAQI
28th Jul 2025696 PMAQI
28th Jul 2025697 PMAQI
28th Jul 2025658 PMAQI
28th Jul 2025659 PMAQI
28th Jul 20256610 PMAQI
28th Jul 20256411 PMAQI
29th Jul 20256112 AMAQI
29th Jul 2025641 AMAQI
29th Jul 2025642 AMAQI
29th Jul 2025643 AMAQI
29th Jul 2025654 AMAQI
29°C24/34°C
29th Jul 2025645 AMAQI
29th Jul 2025666 AMAQI
29th Jul 2025667 AMAQI
29th Jul 2025378 AMAQI
29th Jul 2025229 AMAQI
29th Jul 20252210 AMAQI
29th Jul 20252511 AMAQI
29th Jul 20253712 PMAQI
29th Jul 2025371 PMAQI
29th Jul 2025352 PMAQI
29th Jul 2025323 PMAQI
29th Jul 2025314 PMAQI
29th Jul 2025355 PMAQI
29th Jul 2025356 PMAQI
29th Jul 2025407 PMAQI
29th Jul 2025578 PMAQI
29th Jul 2025579 PMAQI
29th Jul 20255810 PMAQI
29th Jul 20255611 PMAQI
30th Jul 20255812 AMAQI
30th Jul 2025641 AMAQI
30th Jul 2025642 AMAQI
30th Jul 2025633 AMAQI
30th Jul 2025614 AMAQI
27°C24/31°C
30th Jul 2025615 AMAQI
30th Jul 2025626 AMAQI
30th Jul 2025617 AMAQI
30th Jul 2025588 AMAQI
30th Jul 2025599 AMAQI
30th Jul 20255910 AMAQI
30th Jul 20255911 AMAQI
30th Jul 20255512 PMAQI
30th Jul 2025521 PMAQI
30th Jul 2025432 PMAQI
30th Jul 2025383 PMAQI
30th Jul 2025374 PMAQI
30th Jul 2025425 PMAQI
30th Jul 2025466 PMAQI
30th Jul 2025507 PMAQI
30th Jul 2025568 PMAQI
30th Jul 2025589 PMAQI
30th Jul 20255810 PMAQI
30th Jul 20255811 PMAQI
31st Jul 20255812 AMAQI
31st Jul 2025611 AMAQI
31st Jul 2025602 AMAQI
31st Jul 2025613 AMAQI
31st Jul 2025614 AMAQI
27°C20/33°C
31st Jul 2025615 AMAQI
31st Jul 2025616 AMAQI
31st Jul 2025617 AMAQI
31st Jul 2025618 AMAQI
31st Jul 2025619 AMAQI
31st Jul 20256710 AMAQI
31st Jul 20256211 AMAQI
31st Jul 20256512 PMAQI
31st Jul 2025591 PMAQI
31st Jul 2025572 PMAQI
31st Jul 2025563 PMAQI
31st Jul 2025564 PMAQI
31st Jul 2025565 PMAQI
31st Jul 2025616 PMAQI
31st Jul 2025617 PMAQI
31st Jul 2025648 PMAQI
31st Jul 2025679 PMAQI
31st Jul 20256210 PMAQI
31st Jul 20256711 PMAQI
1st Aug 20256612 AMAQI
1st Aug 2025601 AMAQI
1st Aug 2025592 AMAQI
1st Aug 2025613 AMAQI
1st Aug 2025594 AMAQI
26°C22/29°C
1st Aug 2025605 AMAQI
1st Aug 2025596 AMAQI
1st Aug 2025597 AMAQI
1st Aug 2025738 AMAQI
1st Aug 2025679 AMAQI
1st Aug 20256910 AMAQI
1st Aug 20256311 AMAQI
1st Aug 20256112 PMAQI
1st Aug 2025691 PMAQI
1st Aug 2025752 PMAQI
1st Aug 2025763 PMAQI
1st Aug 2025804 PMAQI
1st Aug 2025745 PMAQI
1st Aug 2025816 PMAQI
1st Aug 2025707 PMAQI
1st Aug 2025688 PMAQI
1st Aug 2025699 PMAQI
1st Aug 20256910 PMAQI
1st Aug 20257011 PMAQI
2nd Aug 20256412 AMAQI
2nd Aug 2025591 AMAQI
2nd Aug 2025592 AMAQI
2nd Aug 2025613 AMAQI
2nd Aug 2025624 AMAQI
28°C22/33°C
2nd Aug 2025635 AMAQI
2nd Aug 2025626 AMAQI
2nd Aug 2025627 AMAQI
2nd Aug 2025798 AMAQI
2nd Aug 2025949 AMAQI
2nd Aug 20257610 AMAQI
2nd Aug 20257011 AMAQI
2nd Aug 20257412 PMAQI
2nd Aug 2025781 PMAQI
2nd Aug 2025712 PMAQI
2nd Aug 2025723 PMAQI
2nd Aug 2025704 PMAQI
2nd Aug 2025745 PMAQI
2nd Aug 2025686 PMAQI
2nd Aug 2025677 PMAQI
2nd Aug 2025688 PMAQI
2nd Aug 2025669 PMAQI
2nd Aug 20256710 PMAQI
2nd Aug 20256511 PMAQI
3rd Aug 20256312 AMAQI
3rd Aug 2025601 AMAQI
3rd Aug 2025602 AMAQI
3rd Aug 2025623 AMAQI
3rd Aug 2025644 AMAQI
29°C24/33°C
3rd Aug 2025645 AMAQI
3rd Aug 2025646 AMAQI
3rd Aug 2025627 AMAQI
3rd Aug 2025588 AMAQI
3rd Aug 2025589 AMAQI
3rd Aug 20255510 AMAQI
3rd Aug 20255511 AMAQI
3rd Aug 20256312 PMAQI
3rd Aug 2025571 PMAQI
3rd Aug 2025642 PMAQI
3rd Aug 2025663 PMAQI
3rd Aug 2025644 PMAQI
3rd Aug 2025635 PMAQI
3rd Aug 2025636 PMAQI
3rd Aug 2025637 PMAQI
3rd Aug 2025648 PMAQI
3rd Aug 2025669 PMAQI
3rd Aug 20256510 PMAQI
3rd Aug 20256611 PMAQI
4th Aug 20256412 AMAQI
4th Aug 2025601 AMAQI
4th Aug 2025612 AMAQI
4th Aug 2025613 AMAQI
4th Aug 2025614 AMAQI
29°C24/34°C
4th Aug 2025605 AMAQI
4th Aug 2025606 AMAQI
4th Aug 2025607 AMAQI
4th Aug 2025748 AMAQI
4th Aug 2025669 AMAQI
4th Aug 20256810 AMAQI
4th Aug 20256711 AMAQI
4th Aug 20256212 PMAQI
4th Aug 2025601 PMAQI
4th Aug 2025572 PMAQI
4th Aug 2025643 PMAQI
4th Aug 2025594 PMAQI
4th Aug 2025625 PMAQI
4th Aug 2025646 PMAQI
4th Aug 2025647 PMAQI
4th Aug 2025648 PMAQI
4th Aug 2025669 PMAQI
4th Aug 20256610 PMAQI
4th Aug 20256811 PMAQI
5th Aug 20256512 AMAQI
5th Aug 2025591 AMAQI
5th Aug 2025602 AMAQI
5th Aug 2025603 AMAQI
5th Aug 2025614 AMAQI
26°C24/28°C
5th Aug 2025625 AMAQI
5th Aug 2025626 AMAQI
5th Aug 2025627 AMAQI
5th Aug 2025708 AMAQI
5th Aug 2025659 AMAQI
5th Aug 20256010 AMAQI
5th Aug 20256811 AMAQI
5th Aug 20255812 PMAQI
5th Aug 2025571 PMAQI
5th Aug 2025562 PMAQI
5th Aug 2025583 PMAQI
5th Aug 2025584 PMAQI
5th Aug 2025565 PMAQI
5th Aug 2025546 PMAQI
5th Aug 2025597 PMAQI
5th Aug 2025618 PMAQI
5th Aug 2025649 PMAQI
5th Aug 20256510 PMAQI
5th Aug 20256711 PMAQI
6th Aug 20256412 AMAQI
6th Aug 2025591 AMAQI
6th Aug 2025602 AMAQI
6th Aug 2025603 AMAQI
6th Aug 2025614 AMAQI
28°C24/33°C
6th Aug 2025615 AMAQI
6th Aug 2025626 AMAQI
6th Aug 2025617 AMAQI
6th Aug 2025878 AMAQI
6th Aug 2025829 AMAQI
6th Aug 20258410 AMAQI
6th Aug 20258611 AMAQI
6th Aug 20259212 PMAQI
6th Aug 2025791 PMAQI
6th Aug 2025712 PMAQI
6th Aug 2025753 PMAQI
6th Aug 2025784 PMAQI
6th Aug 2025685 PMAQI
6th Aug 2025646 PMAQI
6th Aug 2025687 PMAQI
6th Aug 2025688 PMAQI
6th Aug 2025729 PMAQI
6th Aug 20256810 PMAQI
6th Aug 20257011 PMAQI
7th Aug 20256612 AMAQI
7th Aug 2025601 AMAQI
7th Aug 2025612 AMAQI
7th Aug 2025643 AMAQI
7th Aug 2025664 AMAQI
31°C24/38°C
7th Aug 2025665 AMAQI
7th Aug 2025626 AMAQI
7th Aug 2025667 AMAQI
7th Aug 2025888 AMAQI
7th Aug 2025949 AMAQI
7th Aug 20258410 AMAQI
7th Aug 20257211 AMAQI
7th Aug 20256412 PMAQI
7th Aug 2025721 PMAQI
7th Aug 2025642 PMAQI
7th Aug 2025663 PMAQI
7th Aug 2025644 PMAQI
7th Aug 2025655 PMAQI
7th Aug 2025666 PMAQI
7th Aug 2025647 PMAQI
7th Aug 2025668 PMAQI
7th Aug 2025699 PMAQI
7th Aug 20257010 PMAQI
7th Aug 20257211 PMAQI
8th Aug 20256912 AMAQI
8th Aug 2025631 AMAQI
8th Aug 2025642 AMAQI
8th Aug 2025653 AMAQI
8th Aug 2025664 AMAQI
29°C24/34°C
8th Aug 2025665 AMAQI
8th Aug 2025666 AMAQI
8th Aug 2025667 AMAQI
8th Aug 2025768 AMAQI
8th Aug 2025809 AMAQI
8th Aug 20257710 AMAQI
8th Aug 20256911 AMAQI
8th Aug 20256512 PMAQI
8th Aug 2025591 PMAQI
8th Aug 2025572 PMAQI
8th Aug 2025563 PMAQI
8th Aug 2025544 PMAQI
8th Aug 2025545 PMAQI
8th Aug 2025506 PMAQI
8th Aug 2025547 PMAQI
8th Aug 2025618 PMAQI
8th Aug 2025609 PMAQI
8th Aug 20256210 PMAQI
8th Aug 20256311 PMAQI
9th Aug 20256312 AMAQI
9th Aug 2025661 AMAQI
9th Aug 2025662 AMAQI
9th Aug 2025663 AMAQI
9th Aug 2025664 AMAQI
23°C20/24°C
9th Aug 2025665 AMAQI
5 AM9th Aug 2025666 AMAQI
9th Aug 2025667 AMAQI
9th Aug 2025608 AMAQI
9th Aug 2025559 AMAQI
9th Aug 20254210 AMAQI
9th Aug 20254211 AMAQI
9th Aug 20254412 PMAQI
12 PM9th Aug 2025401 PMAQI
9th Aug 2025382 PMAQI
9th Aug 2025363 PMAQI
9th Aug 2025424 PMAQI
9th Aug 2025415 PMAQI
9th Aug 2025406 PMAQI
9th Aug 2025477 PMAQI
7 PM9th Aug 2025578 PMAQI
12 AM
4 AM
--°C/°C
Day time
Avg. Highest Time
8 AM - 7 PM
68AQI
12 hours / Day
360 hours / Month
Avg. Lowest Time
5 AM - 7 PM
67AQI
15 hours / Day
450 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 8 AM to 7 PM (Avg. 68), while the lowest AQI was between 5 AM to 7 PM (Avg. 67).
Night time
Avg. Highest Time
12 AM - 11 PM
66AQI
9 hours / Day
270 hours / Month
Avg. Lowest Time
12 AM - 11 PM
66AQI
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. 66), while the lowest AQI was between 12 AM to 11 PM (Avg. 66).
2025 Days Vs Air Quality
Yi County Environmental Protection Bureau, Gaobeidian, Hebei, China
2025
1%
3
75%
165
19%
41
5%
10
0.4%
1
Total number of days with different AQI categories in last 221 days in 2025 (144 days remaining)
Good
3 DaysModerate
165 DaysPoor
41 DaysUnhealthy
10 DaysSevere
1 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 1%
Health Risk Level:
Extreme
In 2025, 1% of 221 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
Yi County Environmental Protection Bureau, Gaobeidian, 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
104AQI
104AQI
2nd January 2025
92AQI
92AQI
3rd January 2025
108AQI
108AQI
4th January 2025
127AQI
127AQI
5th January 2025
88AQI
88AQI
6th January 2025
71AQI
71AQI
7th January 2025
57AQI
57AQI
8th January 2025
49AQI
49AQI
9th January 2025
56AQI
56AQI
10th January 2025
68AQI
68AQI
11th January 2025
83AQI
83AQI
12th January 2025
72AQI
72AQI
13th January 2025
103AQI
103AQI
14th January 2025
55AQI
55AQI
15th January 2025
75AQI
75AQI
16th January 2025
69AQI
69AQI
17th January 2025
115AQI
115AQI
18th January 2025
137AQI
137AQI
19th January 2025
100AQI
100AQI
20th January 2025
152AQI
152AQI
21st January 2025
124AQI
124AQI
22nd January 2025
127AQI
127AQI
23rd January 2025
143AQI
143AQI
24th January 2025
157AQI
157AQI
25th January 2025
165AQI
165AQI
26th January 2025
133AQI
133AQI
27th January 2025
75AQI
75AQI
28th January 2025
94AQI
94AQI
29th January 2025
195AQI
195AQI
30th January 2025
125AQI
125AQI
31st January 2025
166AQI
166AQI
1st February 2025
147AQI
147AQI
2nd February 2025
136AQI
136AQI
3rd February 2025
85AQI
85AQI
4th February 2025
82AQI
82AQI
5th February 2025
58AQI
58AQI
6th February 2025
73AQI
73AQI
7th February 2025
42AQI
42AQI
8th February 2025
57AQI
57AQI
9th February 2025
68AQI
68AQI
10th February 2025
120AQI
120AQI
11th February 2025
140AQI
140AQI
12th February 2025
87AQI
87AQI
13th February 2025
115AQI
115AQI
14th February 2025
127AQI
127AQI
15th February 2025
129AQI
129AQI
16th February 2025
78AQI
78AQI
17th February 2025
72AQI
72AQI
18th February 2025
90AQI
90AQI
19th February 2025
76AQI
76AQI
20th February 2025
84AQI
84AQI
21st February 2025
82AQI
82AQI
22nd February 2025
70AQI
70AQI
23rd February 2025
52AQI
52AQI
24th February 2025
82AQI
82AQI
25th February 2025
68AQI
68AQI
26th February 2025
101AQI
101AQI
27th February 2025
141AQI
141AQI
28th February 2025
160AQI
160AQI
1st March 2025
206AQI
206AQI
2nd March 2025
141AQI
141AQI
3rd March 2025
104AQI
104AQI
4th March 2025
97AQI
97AQI
5th March 2025
130AQI
130AQI
6th March 2025
76AQI
76AQI
7th March 2025
137AQI
137AQI
8th March 2025
138AQI
138AQI
9th March 2025
161AQI
161AQI
10th March 2025
168AQI
168AQI
11th March 2025
181AQI
181AQI
12th March 2025
110AQI
110AQI
13th March 2025
159AQI
159AQI
14th March 2025
106AQI
106AQI
15th March 2025
110AQI
110AQI
16th March 2025
63AQI
63AQI
17th March 2025
71AQI
71AQI
18th March 2025
62AQI
62AQI
19th March 2025
72AQI
72AQI
20th March 2025
52AQI
52AQI
21st March 2025
57AQI
57AQI
22nd March 2025
66AQI
66AQI
23rd March 2025
118AQI
118AQI
24th March 2025
76AQI
76AQI
25th March 2025
88AQI
88AQI
26th March 2025
91AQI
91AQI
27th March 2025
73AQI
73AQI
28th March 2025
75AQI
75AQI
29th March 2025
62AQI
62AQI
30th March 2025
75AQI
75AQI
31st March 2025
82AQI
82AQI
1st April 2025
69AQI
69AQI
2nd April 2025
65AQI
65AQI
3rd April 2025
87AQI
87AQI
4th April 2025
102AQI
102AQI
5th April 2025
65AQI
65AQI
6th April 2025
99AQI
99AQI
7th April 2025
89AQI
89AQI
8th April 2025
93AQI
93AQI
9th April 2025
87AQI
87AQI
10th April 2025
98AQI
98AQI
11th April 2025
144AQI
144AQI
12th April 2025
87AQI
87AQI
13th April 2025
87AQI
87AQI
14th April 2025
70AQI
70AQI
15th April 2025
79AQI
79AQI
16th April 2025
116AQI
116AQI
17th April 2025
99AQI
99AQI
18th April 2025
88AQI
88AQI
19th April 2025
93AQI
93AQI
20th April 2025
106AQI
106AQI
21st April 2025
115AQI
115AQI
22nd April 2025
75AQI
75AQI
23rd April 2025
85AQI
85AQI
24th April 2025
63AQI
63AQI
25th April 2025
85AQI
85AQI
26th April 2025
113AQI
113AQI
27th April 2025
73AQI
73AQI
28th April 2025
81AQI
81AQI
29th April 2025
80AQI
80AQI
30th April 2025
79AQI
79AQI
1st May 2025
67AQI
67AQI
2nd May 2025
78AQI
78AQI
3rd May 2025
58AQI
58AQI
4th May 2025
79AQI
79AQI
5th May 2025
94AQI
94AQI
6th May 2025
76AQI
76AQI
7th May 2025
99AQI
99AQI
8th May 2025
108AQI
108AQI
9th May 2025
71AQI
71AQI
10th May 2025
86AQI
86AQI
11th May 2025
80AQI
80AQI
12th May 2025
95AQI
95AQI
13th May 2025
97AQI
97AQI
14th May 2025
72AQI
72AQI
15th May 2025
75AQI
75AQI
16th May 2025
98AQI
98AQI
17th May 2025
69AQI
69AQI
18th May 2025
86AQI
86AQI
19th May 2025
91AQI
91AQI
20th May 2025
114AQI
114AQI
21st May 2025
100AQI
100AQI
22nd May 2025
107AQI
107AQI
23rd May 2025
101AQI
101AQI
24th May 2025
82AQI
82AQI
25th May 2025
89AQI
89AQI
26th May 2025
87AQI
87AQI
27th May 2025
96AQI
96AQI
28th May 2025
93AQI
93AQI
29th May 2025
94AQI
94AQI
30th May 2025
97AQI
97AQI
31st May 2025
109AQI
109AQI
1st June 2025
114AQI
114AQI
2nd June 2025
89AQI
89AQI
3rd June 2025
63AQI
63AQI
4th June 2025
61AQI
61AQI
5th June 2025
73AQI
73AQI
6th June 2025
70AQI
70AQI
7th June 2025
69AQI
69AQI
8th June 2025
72AQI
72AQI
9th June 2025
74AQI
74AQI
10th June 2025
65AQI
65AQI
11th June 2025
76AQI
76AQI
12th June 2025
81AQI
81AQI
13th June 2025
84AQI
84AQI
14th June 2025
79AQI
79AQI
15th June 2025
61AQI
61AQI
16th June 2025
56AQI
56AQI
17th June 2025
67AQI
67AQI
18th June 2025
76AQI
76AQI
19th June 2025
67AQI
67AQI
20th June 2025
65AQI
65AQI
21st June 2025
62AQI
62AQI
22nd June 2025
53AQI
53AQI
23rd June 2025
66AQI
66AQI
24th June 2025
67AQI
67AQI
25th June 2025
72AQI
72AQI
26th June 2025
72AQI
72AQI
27th June 2025
78AQI
78AQI
28th June 2025
77AQI
77AQI
29th June 2025
76AQI
76AQI
30th June 2025
76AQI
76AQI
1st July 2025
67AQI
67AQI
2nd July 2025
70AQI
70AQI
3rd July 2025
62AQI
62AQI
4th July 2025
68AQI
68AQI
5th July 2025
57AQI
57AQI
6th July 2025
56AQI
56AQI
7th July 2025
61AQI
61AQI
8th July 2025
64AQI
64AQI
9th July 2025
70AQI
70AQI
10th July 2025
70AQI
70AQI
11th July 2025
80AQI
80AQI
12th July 2025
80AQI
80AQI
13th July 2025
66AQI
66AQI
14th July 2025
72AQI
72AQI
15th July 2025
73AQI
73AQI
16th July 2025
69AQI
69AQI
17th July 2025
61AQI
61AQI
18th July 2025
66AQI
66AQI
19th July 2025
74AQI
74AQI
20th July 2025
63AQI
63AQI
21st July 2025
66AQI
66AQI
22nd July 2025
68AQI
68AQI
23rd July 2025
65AQI
65AQI
24th July 2025
66AQI
66AQI
25th July 2025
69AQI
69AQI
26th July 2025
69AQI
69AQI
27th July 2025
67AQI
67AQI
28th July 2025
67AQI
67AQI
29th July 2025
49AQI
49AQI
30th July 2025
56AQI
56AQI
31st July 2025
61AQI
61AQI
1st August 2025
67AQI
67AQI
2nd August 2025
68AQI
68AQI
3rd August 2025
62AQI
62AQI
4th August 2025
63AQI
63AQI
5th August 2025
61AQI
61AQI
6th August 2025
69AQI
69AQI
7th August 2025
68AQI
68AQI
8th August 2025
66AQI
66AQI
106AQI
94AQI
103AQI
89AQI
89AQI
72AQI
66AQI
66AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202588AQI
1
14
11
5
1
17
9
1
17
9
4
1
24
6
26
5
29
1
1
30
8
3
165
41
10
1
Highest AQI recorded in
January106AQI
Lowest AQI recorded in
August66AQI
202483AQI
16
1
1
1
11
1
30
3
28
8
23
4
14
11
2
6
13
10
1
13
9
7
1
19
11
21
161
45
17
Highest AQI recorded in
October121AQI
Lowest AQI recorded in
March44AQI
202361AQI
3
31
34
Highest AQI recorded in
December61AQI
Lowest AQI recorded in
November60AQI
2022107AQI
5
13
13
10
11
8
13
10
13
12
5
16
13
2
19
10
1
1
22
1
2
1
95
73
31
Highest AQI recorded in
January138AQI
Lowest AQI recorded in
July67AQI
202181AQI
6
13
10
2
7
11
8
2
3
8
15
3
2
1
10
13
2
3
19
7
1
1
6
17
7
20
11
31
30
31
8
6
12
4
12
15
4
130
91
86
42
10
2
Highest AQI recorded in
March180AQI
Lowest AQI recorded in
October1AQI
2020103AQI
1
5
4
3
13
7
1
10
6
2
18
11
1
12
17
2
24
6
1
9
13
5
2
14
8
9
11
13
5
1
1
5
18
7
11
125
95
33
1
Highest AQI recorded in
December124AQI
Lowest AQI recorded in
September78AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2022(Avg.)
107AQILeast Polluted Year Recorded
2023(Avg.)
61AQIYi County Environmental Protection Bureau's annual 2025 AQI (88) shows an average percentage change of 4.9% (worsened AQI) compared to previous years: 2020 (103), 2021 (81), 2022 (107), 2023 (61), 2024 (83).
