Vocational and Technical College, Rizhao, Shandong, 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+
October Air Quality Analysis
Vocational and Technical College, Rizhao, Shandong, China
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
25th Oct 2023
156AQILowest AQI recorded on
4th Oct 2022
26AQISame Day Analysis (6th October ):
On this day, AQI across the 4 years varied significantly: 2025 ranks 1st highest AQI at 60 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 7th Oct - 8th Oct 2025
Vocational and Technical College, Rizhao, Shandong, China
AQI
Day
Night
.
5 AM7th Oct 2025
5 PM
4 AM8th Oct 2025
Day time
Avg. Highest Time
12AMNaNth undefined
AQI
Avg. Lowest Time
12AMNaNth undefined
AQI
Night time
Avg. Highest Time
11PM7th Oct
89AQI
Avg. Lowest Time
7PM7th Oct
49AQI
In the last 24 hours,
Vocational and Technical College's AQI reached its highest point of 89 at 11 PM during the Night, while the lowest point, undefined, was recorded at 6 PM during the Night between 7th Oct and 8th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Vocational and Technical College, Rizhao, Shandong, China
SepOct
08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th
Day
Night
8th Sep 2025635 AMAQI
8th Sep 2025656 AMAQI
8th Sep 2025647 AMAQI
8th Sep 2025718 AMAQI
8th Sep 2025809 AMAQI
8th Sep 20259310 AMAQI
8th Sep 20259511 AMAQI
8th Sep 20258412 PMAQI
8th Sep 2025821 PMAQI
8th Sep 2025692 PMAQI
8th Sep 2025913 PMAQI
8th Sep 2025864 PMAQI
8th Sep 2025835 PMAQI
8th Sep 2025606 PMAQI
8th Sep 2025687 PMAQI
8th Sep 2025648 PMAQI
8th Sep 2025619 PMAQI
8th Sep 20256410 PMAQI
8th Sep 20257611 PMAQI
9th Sep 20256412 AMAQI
9th Sep 2025641 AMAQI
9th Sep 2025622 AMAQI
9th Sep 2025673 AMAQI
9th Sep 2025674 AMAQI
23°C20/24°C
9th Sep 2025685 AMAQI
9th Sep 2025666 AMAQI
9th Sep 2025677 AMAQI
9th Sep 2025808 AMAQI
9th Sep 2025749 AMAQI
9th Sep 20258010 AMAQI
9th Sep 20256711 AMAQI
9th Sep 20256412 PMAQI
9th Sep 2025601 PMAQI
9th Sep 2025592 PMAQI
9th Sep 2025593 PMAQI
9th Sep 2025564 PMAQI
9th Sep 2025605 PMAQI
9th Sep 2025596 PMAQI
9th Sep 2025597 PMAQI
9th Sep 2025638 PMAQI
9th Sep 2025699 PMAQI
9th Sep 20256810 PMAQI
9th Sep 20256211 PMAQI
10th Sep 20256612 AMAQI
10th Sep 2025661 AMAQI
10th Sep 2025662 AMAQI
10th Sep 2025633 AMAQI
10th Sep 2025654 AMAQI
24°C21/27°C
10th Sep 2025645 AMAQI
10th Sep 2025646 AMAQI
10th Sep 2025657 AMAQI
10th Sep 2025768 AMAQI
10th Sep 2025809 AMAQI
10th Sep 20256710 AMAQI
10th Sep 20256511 AMAQI
10th Sep 20257112 PMAQI
10th Sep 2025691 PMAQI
10th Sep 2025622 PMAQI
10th Sep 2025673 PMAQI
10th Sep 2025674 PMAQI
10th Sep 2025665 PMAQI
10th Sep 2025646 PMAQI
10th Sep 2025647 PMAQI
10th Sep 2025668 PMAQI
10th Sep 2025659 PMAQI
10th Sep 20257210 PMAQI
10th Sep 20256511 PMAQI
11th Sep 20256812 AMAQI
11th Sep 2025631 AMAQI
11th Sep 2025622 AMAQI
11th Sep 2025643 AMAQI
11th Sep 2025664 AMAQI
25°C23/27°C
11th Sep 2025665 AMAQI
11th Sep 2025666 AMAQI
11th Sep 2025667 AMAQI
11th Sep 2025678 AMAQI
11th Sep 2025629 AMAQI
11th Sep 20255510 AMAQI
11th Sep 20255611 AMAQI
11th Sep 20255612 PMAQI
11th Sep 2025491 PMAQI
11th Sep 2025512 PMAQI
11th Sep 2025473 PMAQI
11th Sep 2025474 PMAQI
11th Sep 2025525 PMAQI
11th Sep 2025476 PMAQI
11th Sep 2025567 PMAQI
11th Sep 2025578 PMAQI
11th Sep 2025579 PMAQI
11th Sep 20255710 PMAQI
11th Sep 20255611 PMAQI
12th Sep 20255912 AMAQI
12th Sep 2025651 AMAQI
12th Sep 2025642 AMAQI
12th Sep 2025643 AMAQI
12th Sep 2025644 AMAQI
25°C24/27°C
12th Sep 2025665 AMAQI
12th Sep 2025666 AMAQI
12th Sep 2025647 AMAQI
12th Sep 2025568 AMAQI
12th Sep 2025499 AMAQI
12th Sep 20254610 AMAQI
12th Sep 20253311 AMAQI
12th Sep 20254112 PMAQI
12th Sep 2025431 PMAQI
12th Sep 2025462 PMAQI
12th Sep 2025483 PMAQI
12th Sep 2025544 PMAQI
12th Sep 2025435 PMAQI
12th Sep 2025516 PMAQI
12th Sep 2025537 PMAQI
12th Sep 2025588 PMAQI
12th Sep 2025559 PMAQI
12th Sep 20255810 PMAQI
12th Sep 20255611 PMAQI
13th Sep 20255712 AMAQI
13th Sep 2025601 AMAQI
13th Sep 2025642 AMAQI
13th Sep 2025603 AMAQI
13th Sep 2025604 AMAQI
22°C20/22°C
13th Sep 2025605 AMAQI
13th Sep 2025596 AMAQI
13th Sep 2025597 AMAQI
13th Sep 2025618 AMAQI
13th Sep 2025699 AMAQI
13th Sep 20256210 AMAQI
13th Sep 20255611 AMAQI
13th Sep 20255212 PMAQI
13th Sep 2025541 PMAQI
13th Sep 2025602 PMAQI
13th Sep 2025623 PMAQI
13th Sep 2025584 PMAQI
13th Sep 2025585 PMAQI
13th Sep 2025636 PMAQI
13th Sep 2025637 PMAQI
13th Sep 2025648 PMAQI
13th Sep 2025699 PMAQI
13th Sep 20256810 PMAQI
13th Sep 20257011 PMAQI
14th Sep 20256912 AMAQI
14th Sep 2025611 AMAQI
14th Sep 2025602 AMAQI
14th Sep 2025633 AMAQI
14th Sep 2025634 AMAQI
23°C22/25°C
14th Sep 2025635 AMAQI
14th Sep 2025646 AMAQI
14th Sep 2025637 AMAQI
14th Sep 2025768 AMAQI
14th Sep 2025789 AMAQI
14th Sep 20258110 AMAQI
14th Sep 20258611 AMAQI
14th Sep 20258312 PMAQI
14th Sep 2025801 PMAQI
14th Sep 2025852 PMAQI
14th Sep 2025713 PMAQI
14th Sep 2025764 PMAQI
14th Sep 2025745 PMAQI
14th Sep 2025746 PMAQI
14th Sep 2025707 PMAQI
14th Sep 2025688 PMAQI
14th Sep 2025659 PMAQI
14th Sep 20257010 PMAQI
14th Sep 20257111 PMAQI
15th Sep 20256712 AMAQI
15th Sep 2025651 AMAQI
15th Sep 2025632 AMAQI
15th Sep 2025663 AMAQI
15th Sep 2025684 AMAQI
24°C22/27°C
15th Sep 2025685 AMAQI
15th Sep 2025696 AMAQI
15th Sep 2025687 AMAQI
15th Sep 2025948 AMAQI
15th Sep 2025869 AMAQI
15th Sep 20258010 AMAQI
15th Sep 20257111 AMAQI
15th Sep 20256512 PMAQI
15th Sep 2025581 PMAQI
15th Sep 2025532 PMAQI
15th Sep 2025613 PMAQI
15th Sep 2025564 PMAQI
15th Sep 2025635 PMAQI
15th Sep 2025626 PMAQI
15th Sep 2025667 PMAQI
15th Sep 2025648 PMAQI
15th Sep 2025669 PMAQI
15th Sep 20256410 PMAQI
15th Sep 20256511 PMAQI
16th Sep 20256412 AMAQI
16th Sep 2025681 AMAQI
16th Sep 2025692 AMAQI
16th Sep 2025683 AMAQI
16th Sep 2025684 AMAQI
26°C24/27°C
16th Sep 2025685 AMAQI
16th Sep 2025686 AMAQI
16th Sep 2025687 AMAQI
16th Sep 2025348 AMAQI
16th Sep 2025129 AMAQI
16th Sep 20252010 AMAQI
16th Sep 20253911 AMAQI
16th Sep 20253612 PMAQI
16th Sep 2025481 PMAQI
16th Sep 2025562 PMAQI
16th Sep 2025523 PMAQI
16th Sep 2025534 PMAQI
16th Sep 2025285 PMAQI
16th Sep 2025386 PMAQI
16th Sep 2025517 PMAQI
16th Sep 2025608 PMAQI
16th Sep 2025609 PMAQI
16th Sep 20256110 PMAQI
16th Sep 20255711 PMAQI
17th Sep 20256012 AMAQI
17th Sep 2025661 AMAQI
17th Sep 2025652 AMAQI
17th Sep 2025643 AMAQI
17th Sep 2025624 AMAQI
26°C22/29°C
17th Sep 2025625 AMAQI
17th Sep 2025626 AMAQI
17th Sep 2025637 AMAQI
17th Sep 2025288 AMAQI
17th Sep 2025179 AMAQI
17th Sep 20252310 AMAQI
17th Sep 20252511 AMAQI
17th Sep 20253212 PMAQI
17th Sep 2025261 PMAQI
17th Sep 2025222 PMAQI
17th Sep 2025283 PMAQI
17th Sep 2025244 PMAQI
17th Sep 2025265 PMAQI
17th Sep 2025276 PMAQI
17th Sep 2025467 PMAQI
17th Sep 2025518 PMAQI
17th Sep 2025549 PMAQI
17th Sep 20255510 PMAQI
17th Sep 20255411 PMAQI
18th Sep 20255512 AMAQI
18th Sep 2025601 AMAQI
18th Sep 2025602 AMAQI
18th Sep 2025603 AMAQI
18th Sep 2025564 AMAQI
20°C18/22°C
18th Sep 2025565 AMAQI
18th Sep 2025556 AMAQI
18th Sep 2025567 AMAQI
18th Sep 2025348 AMAQI
18th Sep 2025329 AMAQI
18th Sep 20252810 AMAQI
18th Sep 20253111 AMAQI
18th Sep 20253512 PMAQI
18th Sep 2025361 PMAQI
18th Sep 2025342 PMAQI
18th Sep 2025323 PMAQI
18th Sep 2025324 PMAQI
18th Sep 2025365 PMAQI
18th Sep 2025356 PMAQI
18th Sep 2025387 PMAQI
18th Sep 2025548 PMAQI
18th Sep 2025549 PMAQI
18th Sep 20255410 PMAQI
18th Sep 20255311 PMAQI
19th Sep 20255412 AMAQI
19th Sep 2025561 AMAQI
19th Sep 2025572 AMAQI
19th Sep 2025573 AMAQI
19th Sep 2025554 AMAQI
21°C19/24°C
19th Sep 2025555 AMAQI
19th Sep 2025556 AMAQI
19th Sep 2025557 AMAQI
19th Sep 2025328 AMAQI
19th Sep 2025309 AMAQI
19th Sep 20252210 AMAQI
19th Sep 20251811 AMAQI
19th Sep 20253112 PMAQI
19th Sep 2025321 PMAQI
19th Sep 2025322 PMAQI
19th Sep 2025443 PMAQI
19th Sep 2025504 PMAQI
19th Sep 2025475 PMAQI
19th Sep 2025446 PMAQI
19th Sep 2025387 PMAQI
19th Sep 2025528 PMAQI
19th Sep 2025539 PMAQI
19th Sep 20255310 PMAQI
19th Sep 20255411 PMAQI
20th Sep 20255312 AMAQI
20th Sep 2025541 AMAQI
20th Sep 2025552 AMAQI
20th Sep 2025553 AMAQI
20th Sep 2025544 AMAQI
16°C15/17°C
20th Sep 2025545 AMAQI
20th Sep 2025546 AMAQI
20th Sep 2025547 AMAQI
20th Sep 2025398 AMAQI
20th Sep 2025479 AMAQI
20th Sep 20254910 AMAQI
20th Sep 20254611 AMAQI
20th Sep 20255312 PMAQI
20th Sep 2025521 PMAQI
20th Sep 2025532 PMAQI
20th Sep 2025453 PMAQI
20th Sep 2025444 PMAQI
20th Sep 2025445 PMAQI
20th Sep 2025416 PMAQI
20th Sep 2025467 PMAQI
20th Sep 2025548 PMAQI
20th Sep 2025559 PMAQI
20th Sep 20255610 PMAQI
20th Sep 20255511 PMAQI
21st Sep 20255812 AMAQI
21st Sep 2025541 AMAQI
21st Sep 2025542 AMAQI
21st Sep 2025533 AMAQI
21st Sep 2025544 AMAQI
18°C14/22°C
21st Sep 2025535 AMAQI
21st Sep 2025536 AMAQI
21st Sep 2025537 AMAQI
21st Sep 2025648 AMAQI
21st Sep 2025649 AMAQI
21st Sep 20257710 AMAQI
21st Sep 20256211 AMAQI
21st Sep 20256012 PMAQI
21st Sep 2025571 PMAQI
21st Sep 2025532 PMAQI
21st Sep 2025523 PMAQI
21st Sep 2025484 PMAQI
21st Sep 2025525 PMAQI
21st Sep 2025536 PMAQI
21st Sep 2025557 PMAQI
21st Sep 2025558 PMAQI
21st Sep 2025589 PMAQI
21st Sep 20255610 PMAQI
21st Sep 20255611 PMAQI
22nd Sep 20255812 AMAQI
22nd Sep 2025571 AMAQI
22nd Sep 2025562 AMAQI
22nd Sep 2025563 AMAQI
22nd Sep 2025574 AMAQI
21°C17/23°C
22nd Sep 2025575 AMAQI
22nd Sep 2025576 AMAQI
22nd Sep 2025577 AMAQI
22nd Sep 2025518 AMAQI
22nd Sep 2025519 AMAQI
22nd Sep 20254410 AMAQI
22nd Sep 20254611 AMAQI
22nd Sep 20254512 PMAQI
22nd Sep 2025521 PMAQI
22nd Sep 2025612 PMAQI
22nd Sep 2025553 PMAQI
22nd Sep 2025584 PMAQI
22nd Sep 2025465 PMAQI
22nd Sep 2025506 PMAQI
22nd Sep 2025557 PMAQI
22nd Sep 2025598 PMAQI
22nd Sep 2025599 PMAQI
22nd Sep 20255810 PMAQI
22nd Sep 20255811 PMAQI
23rd Sep 20256012 AMAQI
23rd Sep 2025581 AMAQI
23rd Sep 2025572 AMAQI
23rd Sep 2025583 AMAQI
23rd Sep 2025574 AMAQI
20°C18/21°C
23rd Sep 2025575 AMAQI
23rd Sep 2025576 AMAQI
23rd Sep 2025577 AMAQI
23rd Sep 2025588 AMAQI
23rd Sep 2025599 AMAQI
23rd Sep 20253710 AMAQI
23rd Sep 20254011 AMAQI
23rd Sep 20254712 PMAQI
23rd Sep 2025441 PMAQI
23rd Sep 2025442 PMAQI
23rd Sep 2025363 PMAQI
23rd Sep 2025394 PMAQI
23rd Sep 2025525 PMAQI
23rd Sep 2025506 PMAQI
23rd Sep 2025467 PMAQI
23rd Sep 2025568 PMAQI
23rd Sep 2025589 PMAQI
23rd Sep 20255910 PMAQI
23rd Sep 20256111 PMAQI
24th Sep 20255512 AMAQI
24th Sep 2025561 AMAQI
24th Sep 2025582 AMAQI
24th Sep 2025583 AMAQI
24th Sep 2025574 AMAQI
20°C19/22°C
24th Sep 2025575 AMAQI
24th Sep 2025586 AMAQI
24th Sep 2025577 AMAQI
24th Sep 2025378 AMAQI
24th Sep 2025389 AMAQI
24th Sep 20254310 AMAQI
24th Sep 20255111 AMAQI
24th Sep 20255212 PMAQI
24th Sep 2025531 PMAQI
24th Sep 2025512 PMAQI
24th Sep 2025503 PMAQI
24th Sep 2025484 PMAQI
24th Sep 2025475 PMAQI
24th Sep 2025586 PMAQI
24th Sep 2025557 PMAQI
24th Sep 2025588 PMAQI
24th Sep 2025609 PMAQI
24th Sep 20256010 PMAQI
24th Sep 20255911 PMAQI
25th Sep 20256212 AMAQI
25th Sep 2025571 AMAQI
25th Sep 2025562 AMAQI
25th Sep 2025563 AMAQI
25th Sep 2025554 AMAQI
21°C19/24°C
25th Sep 2025565 AMAQI
25th Sep 2025556 AMAQI
25th Sep 2025557 AMAQI
25th Sep 2025628 AMAQI
25th Sep 2025689 AMAQI
25th Sep 20257010 AMAQI
25th Sep 20256211 AMAQI
25th Sep 20256212 PMAQI
25th Sep 2025731 PMAQI
25th Sep 2025812 PMAQI
25th Sep 2025823 PMAQI
25th Sep 2025924 PMAQI
25th Sep 2025875 PMAQI
25th Sep 2025806 PMAQI
25th Sep 2025627 PMAQI
25th Sep 2025508 PMAQI
25th Sep 2025489 PMAQI
25th Sep 20254810 PMAQI
25th Sep 20254411 PMAQI
26th Sep 20254812 AMAQI
26th Sep 2025541 AMAQI
26th Sep 2025532 AMAQI
26th Sep 2025543 AMAQI
26th Sep 2025464 AMAQI
21°C19/25°C
26th Sep 2025455 AMAQI
26th Sep 2025436 AMAQI
26th Sep 2025527 AMAQI
26th Sep 2025588 AMAQI
26th Sep 2025659 AMAQI
26th Sep 20257210 AMAQI
26th Sep 20256811 AMAQI
26th Sep 20256312 PMAQI
26th Sep 2025671 PMAQI
26th Sep 2025712 PMAQI
26th Sep 2025813 PMAQI
26th Sep 2025844 PMAQI
26th Sep 2025755 PMAQI
26th Sep 2025676 PMAQI
26th Sep 2025487 PMAQI
26th Sep 2025498 PMAQI
26th Sep 2025599 PMAQI
26th Sep 20256310 PMAQI
26th Sep 20256511 PMAQI
27th Sep 20255712 AMAQI
27th Sep 2025581 AMAQI
27th Sep 2025592 AMAQI
27th Sep 2025543 AMAQI
27th Sep 2025564 AMAQI
22°C20/23°C
27th Sep 2025575 AMAQI
27th Sep 2025566 AMAQI
27th Sep 2025597 AMAQI
27th Sep 2025648 AMAQI
27th Sep 2025729 AMAQI
27th Sep 20257510 AMAQI
27th Sep 20257011 AMAQI
27th Sep 20258412 PMAQI
27th Sep 2025871 PMAQI
27th Sep 2025752 PMAQI
27th Sep 2025693 PMAQI
27th Sep 2025724 PMAQI
27th Sep 2025635 PMAQI
27th Sep 2025556 PMAQI
27th Sep 2025607 PMAQI
27th Sep 2025548 PMAQI
27th Sep 2025579 PMAQI
27th Sep 20255610 PMAQI
27th Sep 20255511 PMAQI
28th Sep 20255412 AMAQI
28th Sep 2025511 AMAQI
28th Sep 2025532 AMAQI
28th Sep 2025523 AMAQI
28th Sep 2025484 AMAQI
21°C19/23°C
28th Sep 2025425 AMAQI
28th Sep 2025316 AMAQI
28th Sep 2025117 AMAQI
28th Sep 2025198 AMAQI
28th Sep 2025379 AMAQI
28th Sep 20253210 AMAQI
28th Sep 20253311 AMAQI
28th Sep 20253612 PMAQI
28th Sep 2025361 PMAQI
28th Sep 2025422 PMAQI
28th Sep 2025373 PMAQI
28th Sep 2025334 PMAQI
28th Sep 2025335 PMAQI
28th Sep 2025386 PMAQI
28th Sep 2025517 PMAQI
28th Sep 2025588 PMAQI
28th Sep 2025659 PMAQI
28th Sep 20256610 PMAQI
28th Sep 20256211 PMAQI
29th Sep 20256412 AMAQI
29th Sep 2025711 AMAQI
29th Sep 2025842 AMAQI
29th Sep 2025833 AMAQI
29th Sep 2025864 AMAQI
22°C20/24°C
29th Sep 2025865 AMAQI
29th Sep 2025876 AMAQI
29th Sep 2025967 AMAQI
29th Sep 20251108 AMAQI
29th Sep 20251109 AMAQI
29th Sep 202511210 AMAQI
29th Sep 202511511 AMAQI
29th Sep 202511012 PMAQI
29th Sep 20251011 PMAQI
29th Sep 20251152 PMAQI
29th Sep 20251233 PMAQI
29th Sep 20251174 PMAQI
29th Sep 20251185 PMAQI
29th Sep 20251156 PMAQI
29th Sep 20251267 PMAQI
29th Sep 2025988 PMAQI
29th Sep 2025699 PMAQI
29th Sep 20256010 PMAQI
29th Sep 20255811 PMAQI
30th Sep 20255912 AMAQI
30th Sep 2025601 AMAQI
30th Sep 2025662 AMAQI
30th Sep 2025643 AMAQI
30th Sep 2025664 AMAQI
22°C21/24°C
30th Sep 2025645 AMAQI
30th Sep 2025766 AMAQI
30th Sep 20251217 AMAQI
30th Sep 20251148 AMAQI
30th Sep 20251019 AMAQI
30th Sep 20259510 AMAQI
30th Sep 20259211 AMAQI
30th Sep 20259212 PMAQI
30th Sep 2025911 PMAQI
30th Sep 2025772 PMAQI
30th Sep 2025683 PMAQI
30th Sep 2025674 PMAQI
30th Sep 2025745 PMAQI
30th Sep 2025726 PMAQI
30th Sep 2025777 PMAQI
30th Sep 2025878 PMAQI
30th Sep 2025859 PMAQI
30th Sep 20259210 PMAQI
30th Sep 202510211 PMAQI
1st Oct 202511312 AMAQI
1st Oct 2025961 AMAQI
1st Oct 20251132 AMAQI
1st Oct 20251253 AMAQI
1st Oct 20251244 AMAQI
23°C20/26°C
1st Oct 20251165 AMAQI
1st Oct 2025976 AMAQI
1st Oct 20251107 AMAQI
1st Oct 2025998 AMAQI
1st Oct 2025929 AMAQI
1st Oct 20259610 AMAQI
1st Oct 20258911 AMAQI
1st Oct 20258612 PMAQI
1st Oct 2025871 PMAQI
1st Oct 2025852 PMAQI
1st Oct 2025793 PMAQI
1st Oct 2025854 PMAQI
1st Oct 2025975 PMAQI
1st Oct 2025926 PMAQI
1st Oct 2025807 PMAQI
1st Oct 2025868 PMAQI
1st Oct 2025909 PMAQI
1st Oct 20258510 PMAQI
1st Oct 20258611 PMAQI
2nd Oct 20259012 AMAQI
2nd Oct 2025881 AMAQI
2nd Oct 2025972 AMAQI
2nd Oct 2025983 AMAQI
2nd Oct 2025794 AMAQI
23°C20/26°C
2nd Oct 2025805 AMAQI
2nd Oct 2025696 AMAQI
2nd Oct 2025577 AMAQI
2nd Oct 2025618 AMAQI
2nd Oct 2025639 AMAQI
2nd Oct 20254610 AMAQI
2nd Oct 20254211 AMAQI
2nd Oct 20254912 PMAQI
2nd Oct 2025451 PMAQI
2nd Oct 2025422 PMAQI
2nd Oct 2025433 PMAQI
2nd Oct 2025424 PMAQI
2nd Oct 2025345 PMAQI
2nd Oct 2025376 PMAQI
2nd Oct 2025387 PMAQI
2nd Oct 2025448 PMAQI
2nd Oct 2025469 PMAQI
2nd Oct 20254710 PMAQI
2nd Oct 20255211 PMAQI
3rd Oct 20255012 AMAQI
3rd Oct 2025461 AMAQI
3rd Oct 2025382 AMAQI
3rd Oct 2025363 AMAQI
3rd Oct 2025304 AMAQI
20°C19/21°C
3rd Oct 2025325 AMAQI
3rd Oct 2025326 AMAQI
3rd Oct 2025307 AMAQI
3rd Oct 2025308 AMAQI
3rd Oct 2025369 AMAQI
3rd Oct 20253210 AMAQI
3rd Oct 20253411 AMAQI
3rd Oct 20253712 PMAQI
3rd Oct 2025391 PMAQI
3rd Oct 2025392 PMAQI
3rd Oct 2025373 PMAQI
3rd Oct 2025424 PMAQI
3rd Oct 2025465 PMAQI
3rd Oct 2025456 PMAQI
3rd Oct 2025387 PMAQI
3rd Oct 2025468 PMAQI
3rd Oct 2025409 PMAQI
3rd Oct 20254710 PMAQI
3rd Oct 20254811 PMAQI
4th Oct 20255812 AMAQI
4th Oct 2025701 AMAQI
4th Oct 2025672 AMAQI
4th Oct 2025593 AMAQI
4th Oct 2025704 AMAQI
21°C19/23°C
4th Oct 2025675 AMAQI
4th Oct 2025646 AMAQI
4th Oct 2025617 AMAQI
4th Oct 2025638 AMAQI
4th Oct 2025639 AMAQI
4th Oct 20256610 AMAQI
4th Oct 20256911 AMAQI
4th Oct 20257212 PMAQI
4th Oct 2025711 PMAQI
4th Oct 2025682 PMAQI
4th Oct 2025673 PMAQI
4th Oct 2025624 PMAQI
4th Oct 2025685 PMAQI
4th Oct 2025606 PMAQI
4th Oct 2025527 PMAQI
4th Oct 2025518 PMAQI
4th Oct 2025649 PMAQI
4th Oct 20257010 PMAQI
4th Oct 20257011 PMAQI
5th Oct 20256812 AMAQI
5th Oct 2025671 AMAQI
5th Oct 2025632 AMAQI
5th Oct 2025563 AMAQI
5th Oct 2025544 AMAQI
20°C19/22°C
5th Oct 2025555 AMAQI
5th Oct 2025526 AMAQI
5th Oct 2025437 AMAQI
5th Oct 2025408 AMAQI
5th Oct 2025419 AMAQI
5th Oct 20253610 AMAQI
5th Oct 20252511 AMAQI
5th Oct 20253312 PMAQI
5th Oct 2025391 PMAQI
5th Oct 2025752 PMAQI
5th Oct 2025803 PMAQI
5th Oct 2025274 PMAQI
5th Oct 2025425 PMAQI
5th Oct 2025596 PMAQI
5th Oct 2025587 PMAQI
5th Oct 2025558 PMAQI
5th Oct 2025539 PMAQI
5th Oct 20255310 PMAQI
5th Oct 20255411 PMAQI
6th Oct 20256612 AMAQI
6th Oct 2025731 AMAQI
6th Oct 2025572 AMAQI
6th Oct 2025563 AMAQI
6th Oct 2025594 AMAQI
21°C20/22°C
6th Oct 2025665 AMAQI
6th Oct 2025646 AMAQI
6th Oct 2025687 AMAQI
6th Oct 2025708 AMAQI
6th Oct 2025629 AMAQI
6th Oct 20257010 AMAQI
6th Oct 20257011 AMAQI
6th Oct 20255412 PMAQI
6th Oct 2025431 PMAQI
6th Oct 2025482 PMAQI
6th Oct 2025423 PMAQI
6th Oct 2025434 PMAQI
6th Oct 2025515 PMAQI
6th Oct 2025526 PMAQI
6th Oct 2025537 PMAQI
6th Oct 2025478 PMAQI
6th Oct 2025509 PMAQI
6th Oct 20254810 PMAQI
6th Oct 20255111 PMAQI
7th Oct 20255712 AMAQI
7th Oct 2025541 AMAQI
21°C19/23°C
7th Oct 2025497 PMAQI
7th Oct 2025538 PMAQI
7th Oct 2025609 PMAQI
7th Oct 20256710 PMAQI
7th Oct 20258911 PMAQI
8th Oct 20258612 AMAQI
8th Oct 2025841 AMAQI
8th Oct 2025722 AMAQI
8th Oct 2025573 AMAQI
8th Oct 2025544 AMAQI
--°C/°C
8th Oct 2025515 AMAQI
5 AM8th Oct 2025506 AMAQI
11 AM
5 PM
11 PM
4 AM
--°C/°C
Day time
Avg. Highest Time
5 AM
62AQI
1 hours / Day
30 hours / Month
Avg. Lowest Time
11 AM - 5 PM
58AQI
7 hours / Day
210 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 5 AM to 5 AM (Avg. 62), while the lowest AQI was between 11 AM to 5 PM (Avg. 58).
Night time
Avg. Highest Time
12 AM - 4 AM
63AQI
5 hours / Day
150 hours / Month
Avg. Lowest Time
6 PM - 7 PM
57AQI
2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 4 AM (Avg. 63), while the lowest AQI was between 6 PM to 7 PM (Avg. 57).
2025 Days Vs Air Quality
Vocational and Technical College, Rizhao, Shandong, China
2025
10%
29
73%
204
15%
41
1%
4
0.3%
1
Total number of days with different AQI categories in last 280 days in 2025 (85 days remaining)
Good
29 DaysModerate
204 DaysPoor
41 DaysUnhealthy
4 DaysSevere
1 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 10%
Health Risk Level:
Extreme
In 2025, 10% of 280 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
Vocational and Technical College, Rizhao, Shandong, 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
147AQI
147AQI
2nd January 2025
110AQI
110AQI
3rd January 2025
104AQI
104AQI
4th January 2025
114AQI
114AQI
5th January 2025
173AQI
173AQI
6th January 2025
104AQI
104AQI
7th January 2025
106AQI
106AQI
8th January 2025
65AQI
65AQI
9th January 2025
65AQI
65AQI
10th January 2025
71AQI
71AQI
11th January 2025
116AQI
116AQI
12th January 2025
111AQI
111AQI
13th January 2025
149AQI
149AQI
14th January 2025
100AQI
100AQI
15th January 2025
81AQI
81AQI
16th January 2025
99AQI
99AQI
17th January 2025
91AQI
91AQI
18th January 2025
146AQI
146AQI
19th January 2025
143AQI
143AQI
20th January 2025
96AQI
96AQI
21st January 2025
159AQI
159AQI
22nd January 2025
120AQI
120AQI
23rd January 2025
93AQI
93AQI
24th January 2025
76AQI
76AQI
25th January 2025
122AQI
122AQI
26th January 2025
107AQI
107AQI
27th January 2025
64AQI
64AQI
28th January 2025
73AQI
73AQI
29th January 2025
109AQI
109AQI
30th January 2025
87AQI
87AQI
31st January 2025
147AQI
147AQI
1st February 2025
110AQI
110AQI
2nd February 2025
153AQI
153AQI
3rd February 2025
74AQI
74AQI
4th February 2025
86AQI
86AQI
5th February 2025
56AQI
56AQI
6th February 2025
87AQI
87AQI
7th February 2025
46AQI
46AQI
8th February 2025
56AQI
56AQI
9th February 2025
69AQI
69AQI
10th February 2025
104AQI
104AQI
11th February 2025
64AQI
64AQI
12th February 2025
109AQI
109AQI
13th February 2025
96AQI
96AQI
14th February 2025
131AQI
131AQI
15th February 2025
100AQI
100AQI
16th February 2025
116AQI
116AQI
17th February 2025
71AQI
71AQI
18th February 2025
89AQI
89AQI
19th February 2025
65AQI
65AQI
20th February 2025
80AQI
80AQI
21st February 2025
89AQI
89AQI
22nd February 2025
67AQI
67AQI
23rd February 2025
94AQI
94AQI
24th February 2025
76AQI
76AQI
25th February 2025
127AQI
127AQI
26th February 2025
125AQI
125AQI
27th February 2025
153AQI
153AQI
28th February 2025
128AQI
128AQI
1st March 2025
77AQI
77AQI
2nd March 2025
71AQI
71AQI
3rd March 2025
70AQI
70AQI
4th March 2025
85AQI
85AQI
5th March 2025
94AQI
94AQI
6th March 2025
117AQI
117AQI
7th March 2025
84AQI
84AQI
8th March 2025
148AQI
148AQI
9th March 2025
137AQI
137AQI
10th March 2025
135AQI
135AQI
11th March 2025
98AQI
98AQI
12th March 2025
136AQI
136AQI
13th March 2025
86AQI
86AQI
14th March 2025
81AQI
81AQI
15th March 2025
82AQI
82AQI
16th March 2025
69AQI
69AQI
17th March 2025
73AQI
73AQI
18th March 2025
53AQI
53AQI
19th March 2025
82AQI
82AQI
20th March 2025
92AQI
92AQI
21st March 2025
72AQI
72AQI
22nd March 2025
89AQI
89AQI
23rd March 2025
113AQI
113AQI
24th March 2025
118AQI
118AQI
25th March 2025
131AQI
131AQI
26th March 2025
113AQI
113AQI
27th March 2025
127AQI
127AQI
28th March 2025
85AQI
85AQI
29th March 2025
69AQI
69AQI
30th March 2025
86AQI
86AQI
31st March 2025
97AQI
97AQI
1st April 2025
94AQI
94AQI
2nd April 2025
70AQI
70AQI
3rd April 2025
65AQI
65AQI
4th April 2025
81AQI
81AQI
5th April 2025
56AQI
56AQI
6th April 2025
91AQI
91AQI
7th April 2025
93AQI
93AQI
8th April 2025
81AQI
81AQI
9th April 2025
94AQI
94AQI
10th April 2025
85AQI
85AQI
11th April 2025
85AQI
85AQI
12th April 2025
202AQI
202AQI
13th April 2025
64AQI
64AQI
14th April 2025
73AQI
73AQI
15th April 2025
64AQI
64AQI
16th April 2025
85AQI
85AQI
17th April 2025
114AQI
114AQI
18th April 2025
102AQI
102AQI
19th April 2025
89AQI
89AQI
20th April 2025
75AQI
75AQI
21st April 2025
78AQI
78AQI
22nd April 2025
74AQI
74AQI
23rd April 2025
72AQI
72AQI
24th April 2025
79AQI
79AQI
25th April 2025
70AQI
70AQI
26th April 2025
81AQI
81AQI
27th April 2025
73AQI
73AQI
28th April 2025
69AQI
69AQI
29th April 2025
79AQI
79AQI
30th April 2025
92AQI
92AQI
1st May 2025
78AQI
78AQI
2nd May 2025
79AQI
79AQI
3rd May 2025
67AQI
67AQI
4th May 2025
69AQI
69AQI
5th May 2025
53AQI
53AQI
6th May 2025
71AQI
71AQI
7th May 2025
64AQI
64AQI
8th May 2025
63AQI
63AQI
9th May 2025
43AQI
43AQI
10th May 2025
55AQI
55AQI
11th May 2025
79AQI
79AQI
12th May 2025
78AQI
78AQI
13th May 2025
90AQI
90AQI
14th May 2025
127AQI
127AQI
15th May 2025
89AQI
89AQI
16th May 2025
90AQI
90AQI
17th May 2025
90AQI
90AQI
18th May 2025
67AQI
67AQI
19th May 2025
107AQI
107AQI
20th May 2025
104AQI
104AQI
21st May 2025
83AQI
83AQI
22nd May 2025
103AQI
103AQI
23rd May 2025
81AQI
81AQI
24th May 2025
83AQI
83AQI
25th May 2025
67AQI
67AQI
26th May 2025
102AQI
102AQI
27th May 2025
84AQI
84AQI
28th May 2025
70AQI
70AQI
29th May 2025
71AQI
71AQI
30th May 2025
78AQI
78AQI
31st May 2025
79AQI
79AQI
1st June 2025
74AQI
74AQI
2nd June 2025
63AQI
63AQI
3rd June 2025
63AQI
63AQI
4th June 2025
50AQI
50AQI
5th June 2025
84AQI
84AQI
6th June 2025
90AQI
90AQI
7th June 2025
86AQI
86AQI
8th June 2025
68AQI
68AQI
9th June 2025
61AQI
61AQI
10th June 2025
60AQI
60AQI
11th June 2025
59AQI
59AQI
12th June 2025
48AQI
48AQI
13th June 2025
40AQI
40AQI
14th June 2025
38AQI
38AQI
15th June 2025
57AQI
57AQI
16th June 2025
53AQI
53AQI
17th June 2025
52AQI
52AQI
18th June 2025
61AQI
61AQI
19th June 2025
51AQI
51AQI
20th June 2025
52AQI
52AQI
21st June 2025
62AQI
62AQI
22nd June 2025
64AQI
64AQI
23rd June 2025
69AQI
69AQI
24th June 2025
63AQI
63AQI
25th June 2025
70AQI
70AQI
26th June 2025
81AQI
81AQI
27th June 2025
69AQI
69AQI
28th June 2025
73AQI
73AQI
29th June 2025
62AQI
62AQI
30th June 2025
61AQI
61AQI
1st July 2025
68AQI
68AQI
2nd July 2025
70AQI
70AQI
3rd July 2025
73AQI
73AQI
4th July 2025
72AQI
72AQI
5th July 2025
74AQI
74AQI
6th July 2025
70AQI
70AQI
7th July 2025
67AQI
67AQI
8th July 2025
56AQI
56AQI
9th July 2025
58AQI
58AQI
10th July 2025
60AQI
60AQI
11th July 2025
63AQI
63AQI
12th July 2025
62AQI
62AQI
13th July 2025
67AQI
67AQI
14th July 2025
56AQI
56AQI
15th July 2025
58AQI
58AQI
16th July 2025
61AQI
61AQI
17th July 2025
56AQI
56AQI
18th July 2025
64AQI
64AQI
19th July 2025
56AQI
56AQI
20th July 2025
54AQI
54AQI
21st July 2025
50AQI
50AQI
22nd July 2025
48AQI
48AQI
23rd July 2025
46AQI
46AQI
24th July 2025
48AQI
48AQI
25th July 2025
54AQI
54AQI
26th July 2025
53AQI
53AQI
27th July 2025
54AQI
54AQI
28th July 2025
46AQI
46AQI
29th July 2025
46AQI
46AQI
30th July 2025
47AQI
47AQI
31st July 2025
47AQI
47AQI
1st August 2025
49AQI
49AQI
2nd August 2025
46AQI
46AQI
3rd August 2025
49AQI
49AQI
4th August 2025
52AQI
52AQI
5th August 2025
51AQI
51AQI
6th August 2025
60AQI
60AQI
7th August 2025
58AQI
58AQI
8th August 2025
51AQI
51AQI
9th August 2025
50AQI
50AQI
10th August 2025
47AQI
47AQI
11th August 2025
49AQI
49AQI
12th August 2025
46AQI
46AQI
13th August 2025
50AQI
50AQI
14th August 2025
51AQI
51AQI
15th August 2025
53AQI
53AQI
16th August 2025
56AQI
56AQI
17th August 2025
59AQI
59AQI
18th August 2025
62AQI
62AQI
19th August 2025
62AQI
62AQI
20th August 2025
63AQI
63AQI
21st August 2025
64AQI
64AQI
22nd August 2025
64AQI
64AQI
23rd August 2025
67AQI
67AQI
24th August 2025
63AQI
63AQI
25th August 2025
67AQI
67AQI
26th August 2025
61AQI
61AQI
27th August 2025
60AQI
60AQI
28th August 2025
61AQI
61AQI
29th August 2025
61AQI
61AQI
30th August 2025
60AQI
60AQI
31st August 2025
55AQI
55AQI
1st September 2025
53AQI
53AQI
2nd September 2025
58AQI
58AQI
3rd September 2025
59AQI
59AQI
4th September 2025
49AQI
49AQI
5th September 2025
49AQI
49AQI
6th September 2025
61AQI
61AQI
7th September 2025
68AQI
68AQI
8th September 2025
69AQI
69AQI
9th September 2025
65AQI
65AQI
10th September 2025
66AQI
66AQI
11th September 2025
60AQI
60AQI
12th September 2025
55AQI
55AQI
13th September 2025
61AQI
61AQI
14th September 2025
71AQI
71AQI
15th September 2025
68AQI
68AQI
16th September 2025
55AQI
55AQI
17th September 2025
47AQI
47AQI
18th September 2025
48AQI
48AQI
19th September 2025
48AQI
48AQI
20th September 2025
52AQI
52AQI
21st September 2025
57AQI
57AQI
22nd September 2025
55AQI
55AQI
23rd September 2025
54AQI
54AQI
24th September 2025
54AQI
54AQI
25th September 2025
63AQI
63AQI
26th September 2025
57AQI
57AQI
27th September 2025
62AQI
62AQI
28th September 2025
46AQI
46AQI
29th September 2025
89AQI
89AQI
30th September 2025
79AQI
79AQI
1st October 2025
99AQI
99AQI
2nd October 2025
63AQI
63AQI
3rd October 2025
41AQI
41AQI
4th October 2025
62AQI
62AQI
5th October 2025
56AQI
56AQI
6th October 2025
60AQI
60AQI
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
108AQI
94AQI
96AQI
84AQI
79AQI
63AQI
58AQI
56AQI
59AQI
64AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202577AQI
13
16
2
1
17
8
2
21
10
27
2
1
1
25
5
4
26
8
23
8
23
6
24
1
5
29
204
41
4
1
Highest AQI recorded in
January108AQI
Lowest AQI recorded in
August56AQI
202480AQI
4
12
7
8
3
16
4
5
1
1
15
14
1
5
20
5
4
23
3
1
14
12
4
12
16
2
1
12
15
4
16
14
7
17
7
7
16
6
1
17
14
85
193
70
17
1
Highest AQI recorded in
January110AQI
Lowest AQI recorded in
September51AQI
202386AQI
6
10
8
7
3
13
11
1
1
11
13
6
2
20
6
1
1
4
19
7
1
4
24
2
13
17
1
15
16
6
22
2
8
13
8
2
6
10
10
3
6
5
12
7
1
74
180
80
27
2
1
Highest AQI recorded in
March114AQI
Lowest AQI recorded in
August57AQI
202279AQI
3
7
9
2
5
17
7
2
1
14
8
4
22
5
7
18
5
6
13
1
1
1
15
12
1
13
16
2
4
18
7
1
3
12
10
6
61
149
56
12
Highest AQI recorded in
August136AQI
Lowest AQI recorded in
September54AQI
2021125AQI
3
7
10
10
1
1
1
1
3
8
11
11
1
Highest AQI recorded in
January125AQI
Lowest AQI recorded in
February123AQI
202084AQI
10
3
2
5
10
2
1
12
4
1
4
17
4
1
9
12
3
13
15
2
7
18
3
5
19
6
1
1
20
9
2
8
14
5
2
44
136
58
10
2
Highest AQI recorded in
December119AQI
Lowest AQI recorded in
August59AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2021(Avg.)
125AQILeast Polluted Year Recorded
2025(Avg.)
77AQIVocational and Technical College's annual 2025 AQI (77) shows an average percentage change of -12.5% (improved AQI) compared to previous years: 2020 (84), 2021 (125), 2022 (79), 2023 (86), 2024 (80).
