Engineering University, Hohhot, Inner Mongolia, 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
Engineering University, Hohhot, Inner Mongolia, China
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
6th Aug 2021
172AQILowest AQI recorded on
11th Aug 2024
13AQISame Day Analysis (2nd August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 3rd highest AQI at 65 of Moderate air quality, showing improvement over 2023 and 2022 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 2nd Aug - 3rd Aug 2025
Engineering University, Hohhot, Inner Mongolia, China
AQI
Day
Night
.
5 AM2nd Aug 2025
8 PM
4 AM3rd Aug 2025
Day time
Avg. Highest Time
1PM2nd Aug
88AQI
Avg. Lowest Time
5PM2nd Aug
58AQI
Night time
Avg. Highest Time
11PM2nd Aug
66AQI
Avg. Lowest Time
2AM3rd Aug
59AQI
In the last 24 hours,
Engineering University's AQI reached its highest point of 88 at 1 PM during the Day, while the lowest point, 58, was recorded at 5 PM during the Day between 2nd Aug and 3rd Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Engineering University, Hohhot, Inner Mongolia, China
JulAug
04th - 05th05th - 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
Day
Night
4th Jul 2025655 AMAQI
4th Jul 2025646 AMAQI
4th Jul 2025667 AMAQI
4th Jul 2025868 AMAQI
4th Jul 2025939 AMAQI
4th Jul 20258410 AMAQI
4th Jul 20257811 AMAQI
4th Jul 20257612 PMAQI
4th Jul 2025721 PMAQI
4th Jul 2025722 PMAQI
4th Jul 2025783 PMAQI
4th Jul 2025744 PMAQI
4th Jul 2025715 PMAQI
4th Jul 2025316 PMAQI
4th Jul 2025387 PMAQI
4th Jul 2025508 PMAQI
4th Jul 2025489 PMAQI
4th Jul 20255010 PMAQI
4th Jul 20254911 PMAQI
5th Jul 20255012 AMAQI
5th Jul 2025641 AMAQI
5th Jul 2025632 AMAQI
5th Jul 2025653 AMAQI
5th Jul 2025674 AMAQI
23°C17/30°C
5th Jul 2025675 AMAQI
5th Jul 2025676 AMAQI
5th Jul 2025687 AMAQI
5th Jul 2025328 AMAQI
5th Jul 2025209 AMAQI
5th Jul 20252110 AMAQI
5th Jul 20251811 AMAQI
5th Jul 20252412 PMAQI
5th Jul 2025241 PMAQI
5th Jul 2025252 PMAQI
5th Jul 2025233 PMAQI
5th Jul 2025234 PMAQI
5th Jul 2025225 PMAQI
5th Jul 2025236 PMAQI
5th Jul 2025357 PMAQI
5th Jul 2025518 PMAQI
5th Jul 2025489 PMAQI
5th Jul 20254910 PMAQI
5th Jul 20255211 PMAQI
6th Jul 20255512 AMAQI
6th Jul 2025631 AMAQI
6th Jul 2025632 AMAQI
6th Jul 2025603 AMAQI
6th Jul 2025564 AMAQI
22°C18/27°C
6th Jul 2025565 AMAQI
6th Jul 2025576 AMAQI
6th Jul 2025567 AMAQI
6th Jul 2025448 AMAQI
6th Jul 2025339 AMAQI
6th Jul 20254210 AMAQI
6th Jul 20254911 AMAQI
6th Jul 20253612 PMAQI
6th Jul 2025261 PMAQI
6th Jul 2025232 PMAQI
6th Jul 2025223 PMAQI
6th Jul 2025224 PMAQI
6th Jul 2025245 PMAQI
6th Jul 2025206 PMAQI
6th Jul 2025337 PMAQI
6th Jul 2025488 PMAQI
6th Jul 2025489 PMAQI
6th Jul 20255110 PMAQI
6th Jul 20255211 PMAQI
7th Jul 20255412 AMAQI
7th Jul 2025581 AMAQI
7th Jul 2025582 AMAQI
7th Jul 2025573 AMAQI
7th Jul 2025554 AMAQI
23°C17/29°C
7th Jul 2025555 AMAQI
7th Jul 2025556 AMAQI
7th Jul 2025557 AMAQI
7th Jul 2025528 AMAQI
7th Jul 2025519 AMAQI
7th Jul 20254810 AMAQI
7th Jul 20254011 AMAQI
7th Jul 20253712 PMAQI
7th Jul 2025341 PMAQI
7th Jul 2025282 PMAQI
7th Jul 2025363 PMAQI
7th Jul 2025544 PMAQI
7th Jul 2025645 PMAQI
7th Jul 2025666 PMAQI
7th Jul 2025647 PMAQI
7th Jul 2025628 PMAQI
7th Jul 2025659 PMAQI
7th Jul 20256810 PMAQI
7th Jul 20256811 PMAQI
8th Jul 20256512 AMAQI
8th Jul 2025561 AMAQI
8th Jul 2025562 AMAQI
8th Jul 2025553 AMAQI
8th Jul 2025544 AMAQI
19°C16/22°C
8th Jul 2025545 AMAQI
8th Jul 2025546 AMAQI
8th Jul 2025547 AMAQI
8th Jul 2025688 AMAQI
8th Jul 2025749 AMAQI
8th Jul 20256410 AMAQI
8th Jul 20255511 AMAQI
8th Jul 20255012 PMAQI
8th Jul 2025441 PMAQI
8th Jul 2025462 PMAQI
8th Jul 2025423 PMAQI
8th Jul 2025424 PMAQI
8th Jul 2025445 PMAQI
8th Jul 2025606 PMAQI
8th Jul 2025607 PMAQI
8th Jul 2025628 PMAQI
8th Jul 2025539 PMAQI
8th Jul 20255610 PMAQI
8th Jul 20255811 PMAQI
9th Jul 20256112 AMAQI
9th Jul 2025561 AMAQI
9th Jul 2025562 AMAQI
9th Jul 2025563 AMAQI
9th Jul 2025574 AMAQI
23°C17/29°C
9th Jul 2025575 AMAQI
9th Jul 2025566 AMAQI
9th Jul 2025567 AMAQI
9th Jul 2025698 AMAQI
9th Jul 2025609 AMAQI
9th Jul 20255810 AMAQI
9th Jul 20255811 AMAQI
9th Jul 20256012 PMAQI
9th Jul 2025621 PMAQI
9th Jul 2025602 PMAQI
9th Jul 2025593 PMAQI
9th Jul 2025584 PMAQI
9th Jul 2025505 PMAQI
9th Jul 2025536 PMAQI
9th Jul 2025527 PMAQI
9th Jul 2025538 PMAQI
9th Jul 2025539 PMAQI
9th Jul 20255310 PMAQI
9th Jul 20255411 PMAQI
10th Jul 20255612 AMAQI
10th Jul 2025571 AMAQI
10th Jul 2025572 AMAQI
10th Jul 2025583 AMAQI
10th Jul 2025584 AMAQI
19°C18/20°C
10th Jul 2025585 AMAQI
10th Jul 2025586 AMAQI
10th Jul 2025587 AMAQI
10th Jul 2025508 AMAQI
10th Jul 2025519 AMAQI
10th Jul 20255710 AMAQI
10th Jul 20256711 AMAQI
10th Jul 20257912 PMAQI
10th Jul 2025761 PMAQI
10th Jul 2025662 PMAQI
10th Jul 2025653 PMAQI
10th Jul 2025704 PMAQI
10th Jul 2025705 PMAQI
10th Jul 2025606 PMAQI
10th Jul 2025587 PMAQI
10th Jul 2025588 PMAQI
10th Jul 2025559 PMAQI
10th Jul 20254610 PMAQI
10th Jul 20254611 PMAQI
11th Jul 20254912 AMAQI
11th Jul 2025521 AMAQI
11th Jul 2025572 AMAQI
11th Jul 2025593 AMAQI
11th Jul 2025604 AMAQI
23°C17/30°C
11th Jul 2025595 AMAQI
11th Jul 2025606 AMAQI
11th Jul 2025597 AMAQI
11th Jul 2025568 AMAQI
11th Jul 2025619 AMAQI
11th Jul 20255710 AMAQI
11th Jul 20256011 AMAQI
11th Jul 20255812 PMAQI
11th Jul 2025561 PMAQI
11th Jul 2025462 PMAQI
11th Jul 2025433 PMAQI
11th Jul 2025574 PMAQI
11th Jul 2025635 PMAQI
11th Jul 2025686 PMAQI
11th Jul 2025687 PMAQI
11th Jul 2025668 PMAQI
11th Jul 2025719 PMAQI
11th Jul 20257210 PMAQI
11th Jul 20257111 PMAQI
12th Jul 20257212 AMAQI
12th Jul 2025621 AMAQI
12th Jul 2025572 AMAQI
12th Jul 2025583 AMAQI
12th Jul 2025584 AMAQI
23°C20/28°C
12th Jul 2025585 AMAQI
12th Jul 2025586 AMAQI
12th Jul 2025587 AMAQI
12th Jul 2025898 AMAQI
12th Jul 20251089 AMAQI
12th Jul 202510410 AMAQI
12th Jul 20258511 AMAQI
12th Jul 20253312 PMAQI
12th Jul 2025381 PMAQI
12th Jul 2025382 PMAQI
12th Jul 2025383 PMAQI
12th Jul 2025394 PMAQI
12th Jul 2025365 PMAQI
12th Jul 2025506 PMAQI
12th Jul 2025567 PMAQI
12th Jul 2025608 PMAQI
12th Jul 2025609 PMAQI
12th Jul 20256210 PMAQI
12th Jul 20256111 PMAQI
13th Jul 20256012 AMAQI
13th Jul 2025601 AMAQI
13th Jul 2025612 AMAQI
13th Jul 2025613 AMAQI
13th Jul 2025624 AMAQI
26°C22/31°C
13th Jul 2025635 AMAQI
13th Jul 2025636 AMAQI
13th Jul 2025627 AMAQI
13th Jul 2025528 AMAQI
13th Jul 2025409 AMAQI
13th Jul 20253810 AMAQI
13th Jul 20254011 AMAQI
13th Jul 20254912 PMAQI
13th Jul 2025301 PMAQI
13th Jul 2025382 PMAQI
13th Jul 2025243 PMAQI
13th Jul 2025264 PMAQI
13th Jul 2025335 PMAQI
13th Jul 2025406 PMAQI
13th Jul 2025377 PMAQI
13th Jul 2025538 PMAQI
13th Jul 2025569 PMAQI
13th Jul 20255610 PMAQI
13th Jul 20255611 PMAQI
14th Jul 20255912 AMAQI
14th Jul 2025621 AMAQI
14th Jul 2025622 AMAQI
14th Jul 2025613 AMAQI
14th Jul 2025594 AMAQI
27°C20/32°C
14th Jul 2025595 AMAQI
14th Jul 2025596 AMAQI
14th Jul 2025597 AMAQI
14th Jul 2025478 AMAQI
14th Jul 2025479 AMAQI
14th Jul 20255210 AMAQI
14th Jul 20255211 AMAQI
14th Jul 20255212 PMAQI
14th Jul 2025541 PMAQI
14th Jul 2025542 PMAQI
14th Jul 2025883 PMAQI
14th Jul 2025884 PMAQI
14th Jul 2025875 PMAQI
14th Jul 2025866 PMAQI
14th Jul 2025807 PMAQI
14th Jul 2025748 PMAQI
14th Jul 2025769 PMAQI
14th Jul 20257510 PMAQI
14th Jul 20257811 PMAQI
15th Jul 20257712 AMAQI
15th Jul 2025671 AMAQI
15th Jul 2025602 AMAQI
15th Jul 2025603 AMAQI
15th Jul 2025594 AMAQI
28°C22/34°C
15th Jul 2025595 AMAQI
15th Jul 2025596 AMAQI
15th Jul 2025597 AMAQI
15th Jul 2025778 AMAQI
15th Jul 2025809 AMAQI
15th Jul 20257210 AMAQI
15th Jul 20254311 AMAQI
15th Jul 20253312 PMAQI
15th Jul 2025321 PMAQI
15th Jul 2025262 PMAQI
15th Jul 2025213 PMAQI
15th Jul 2025224 PMAQI
15th Jul 2025195 PMAQI
15th Jul 2025196 PMAQI
15th Jul 2025327 PMAQI
15th Jul 2025518 PMAQI
15th Jul 2025529 PMAQI
15th Jul 20255210 PMAQI
15th Jul 20255211 PMAQI
16th Jul 20255412 AMAQI
16th Jul 2025571 AMAQI
16th Jul 2025592 AMAQI
16th Jul 2025613 AMAQI
16th Jul 2025614 AMAQI
27°C24/32°C
16th Jul 2025605 AMAQI
16th Jul 2025606 AMAQI
16th Jul 2025607 AMAQI
16th Jul 2025278 AMAQI
16th Jul 2025169 AMAQI
16th Jul 20251810 AMAQI
16th Jul 20251711 AMAQI
16th Jul 20252212 PMAQI
16th Jul 2025211 PMAQI
16th Jul 2025182 PMAQI
16th Jul 2025223 PMAQI
16th Jul 2025224 PMAQI
16th Jul 2025225 PMAQI
16th Jul 2025186 PMAQI
16th Jul 2025307 PMAQI
16th Jul 2025468 PMAQI
16th Jul 2025469 PMAQI
16th Jul 20255110 PMAQI
16th Jul 20255211 PMAQI
17th Jul 20255412 AMAQI
17th Jul 2025601 AMAQI
17th Jul 2025602 AMAQI
17th Jul 2025573 AMAQI
17th Jul 2025544 AMAQI
25°C21/31°C
17th Jul 2025545 AMAQI
17th Jul 2025546 AMAQI
17th Jul 2025547 AMAQI
17th Jul 2025348 AMAQI
17th Jul 2025309 AMAQI
17th Jul 20254310 AMAQI
17th Jul 20254011 AMAQI
17th Jul 20254212 PMAQI
17th Jul 2025401 PMAQI
17th Jul 2025362 PMAQI
17th Jul 2025323 PMAQI
17th Jul 2025304 PMAQI
17th Jul 2025295 PMAQI
17th Jul 2025296 PMAQI
17th Jul 2025367 PMAQI
17th Jul 2025508 PMAQI
17th Jul 2025539 PMAQI
17th Jul 20255610 PMAQI
17th Jul 20255811 PMAQI
18th Jul 20255412 AMAQI
18th Jul 2025571 AMAQI
18th Jul 2025562 AMAQI
18th Jul 2025553 AMAQI
18th Jul 2025544 AMAQI
26°C19/32°C
18th Jul 2025535 AMAQI
18th Jul 2025546 AMAQI
18th Jul 2025537 AMAQI
18th Jul 2025558 AMAQI
18th Jul 2025579 AMAQI
18th Jul 20255410 AMAQI
18th Jul 20255511 AMAQI
18th Jul 20255612 PMAQI
18th Jul 2025561 PMAQI
18th Jul 2025572 PMAQI
18th Jul 2025573 PMAQI
18th Jul 2025584 PMAQI
18th Jul 2025575 PMAQI
18th Jul 2025566 PMAQI
18th Jul 2025567 PMAQI
18th Jul 2025598 PMAQI
18th Jul 2025629 PMAQI
18th Jul 20256610 PMAQI
18th Jul 20256311 PMAQI
19th Jul 20256012 AMAQI
19th Jul 2025571 AMAQI
19th Jul 2025562 AMAQI
19th Jul 2025563 AMAQI
19th Jul 2025564 AMAQI
28°C22/34°C
19th Jul 2025565 AMAQI
19th Jul 2025556 AMAQI
19th Jul 2025557 AMAQI
19th Jul 2025708 AMAQI
19th Jul 2025719 AMAQI
19th Jul 20256610 AMAQI
19th Jul 20256111 AMAQI
19th Jul 20257112 PMAQI
19th Jul 2025631 PMAQI
19th Jul 2025512 PMAQI
19th Jul 2025343 PMAQI
19th Jul 2025254 PMAQI
19th Jul 2025245 PMAQI
19th Jul 2025236 PMAQI
19th Jul 2025327 PMAQI
19th Jul 2025448 PMAQI
19th Jul 2025479 PMAQI
19th Jul 20254610 PMAQI
19th Jul 20254511 PMAQI
20th Jul 20254712 AMAQI
20th Jul 2025531 AMAQI
20th Jul 2025542 AMAQI
20th Jul 2025573 AMAQI
20th Jul 2025584 AMAQI
22°C19/24°C
20th Jul 2025585 AMAQI
20th Jul 2025586 AMAQI
20th Jul 2025587 AMAQI
20th Jul 2025418 AMAQI
20th Jul 2025209 AMAQI
20th Jul 20251910 AMAQI
20th Jul 20251911 AMAQI
20th Jul 20252112 PMAQI
20th Jul 2025211 PMAQI
20th Jul 2025182 PMAQI
20th Jul 2025183 PMAQI
20th Jul 2025184 PMAQI
20th Jul 2025225 PMAQI
20th Jul 2025206 PMAQI
20th Jul 2025327 PMAQI
20th Jul 2025448 PMAQI
20th Jul 2025449 PMAQI
20th Jul 20255110 PMAQI
20th Jul 20255211 PMAQI
21st Jul 20255412 AMAQI
21st Jul 2025571 AMAQI
21st Jul 2025562 AMAQI
21st Jul 2025543 AMAQI
21st Jul 2025524 AMAQI
22°C16/28°C
21st Jul 2025535 AMAQI
21st Jul 2025526 AMAQI
21st Jul 2025527 AMAQI
21st Jul 2025378 AMAQI
21st Jul 2025359 AMAQI
21st Jul 20254410 AMAQI
21st Jul 20253911 AMAQI
21st Jul 20254112 PMAQI
21st Jul 2025361 PMAQI
21st Jul 2025282 PMAQI
21st Jul 2025273 PMAQI
21st Jul 2025264 PMAQI
21st Jul 2025225 PMAQI
21st Jul 2025246 PMAQI
21st Jul 2025387 PMAQI
21st Jul 2025468 PMAQI
21st Jul 2025509 PMAQI
21st Jul 20255410 PMAQI
21st Jul 20255811 PMAQI
22nd Jul 20255612 AMAQI
22nd Jul 2025551 AMAQI
22nd Jul 2025542 AMAQI
22nd Jul 2025533 AMAQI
22nd Jul 2025524 AMAQI
24°C18/30°C
22nd Jul 2025525 AMAQI
22nd Jul 2025526 AMAQI
22nd Jul 2025527 AMAQI
22nd Jul 2025478 AMAQI
22nd Jul 2025559 AMAQI
22nd Jul 20256010 AMAQI
22nd Jul 20256911 AMAQI
22nd Jul 20258212 PMAQI
22nd Jul 2025841 PMAQI
22nd Jul 2025812 PMAQI
22nd Jul 2025743 PMAQI
22nd Jul 2025674 PMAQI
22nd Jul 2025665 PMAQI
22nd Jul 2025646 PMAQI
22nd Jul 2025627 PMAQI
22nd Jul 2025608 PMAQI
22nd Jul 2025629 PMAQI
22nd Jul 20256510 PMAQI
22nd Jul 20256411 PMAQI
23rd Jul 20256112 AMAQI
23rd Jul 2025541 AMAQI
23rd Jul 2025532 AMAQI
23rd Jul 2025563 AMAQI
23rd Jul 2025574 AMAQI
26°C20/32°C
23rd Jul 2025575 AMAQI
23rd Jul 2025586 AMAQI
23rd Jul 2025567 AMAQI
23rd Jul 2025708 AMAQI
23rd Jul 2025749 AMAQI
23rd Jul 20258110 AMAQI
23rd Jul 20258411 AMAQI
23rd Jul 20258812 PMAQI
23rd Jul 2025861 PMAQI
23rd Jul 2025792 PMAQI
23rd Jul 2025663 PMAQI
23rd Jul 2025324 PMAQI
23rd Jul 2025185 PMAQI
23rd Jul 2025246 PMAQI
23rd Jul 2025307 PMAQI
23rd Jul 2025408 PMAQI
23rd Jul 2025479 PMAQI
23rd Jul 20255110 PMAQI
23rd Jul 20255011 PMAQI
24th Jul 20255212 AMAQI
24th Jul 2025501 AMAQI
24th Jul 2025542 AMAQI
24th Jul 2025593 AMAQI
24th Jul 2025624 AMAQI
22°C19/27°C
24th Jul 2025625 AMAQI
24th Jul 2025626 AMAQI
24th Jul 2025627 AMAQI
24th Jul 2025548 AMAQI
24th Jul 2025489 AMAQI
24th Jul 20254010 AMAQI
24th Jul 20254911 AMAQI
24th Jul 20254512 PMAQI
24th Jul 2025381 PMAQI
24th Jul 2025342 PMAQI
24th Jul 2025343 PMAQI
24th Jul 2025334 PMAQI
24th Jul 2025355 PMAQI
24th Jul 2025416 PMAQI
24th Jul 2025507 PMAQI
24th Jul 2025538 PMAQI
24th Jul 2025549 PMAQI
24th Jul 20255410 PMAQI
24th Jul 20255811 PMAQI
25th Jul 20255612 AMAQI
25th Jul 2025601 AMAQI
25th Jul 2025592 AMAQI
25th Jul 2025583 AMAQI
25th Jul 2025564 AMAQI
19°C18/20°C
25th Jul 2025565 AMAQI
25th Jul 2025566 AMAQI
25th Jul 2025567 AMAQI
25th Jul 2025348 AMAQI
25th Jul 2025249 AMAQI
25th Jul 20252210 AMAQI
25th Jul 20252411 AMAQI
25th Jul 20252512 PMAQI
25th Jul 2025451 PMAQI
25th Jul 2025582 PMAQI
25th Jul 2025633 PMAQI
25th Jul 2025674 PMAQI
25th Jul 2025745 PMAQI
25th Jul 2025626 PMAQI
25th Jul 2025567 PMAQI
25th Jul 2025548 PMAQI
25th Jul 2025529 PMAQI
25th Jul 20255110 PMAQI
25th Jul 20254811 PMAQI
26th Jul 20255412 AMAQI
26th Jul 2025571 AMAQI
26th Jul 2025572 AMAQI
26th Jul 2025563 AMAQI
26th Jul 2025554 AMAQI
20°C18/23°C
26th Jul 2025545 AMAQI
26th Jul 2025556 AMAQI
26th Jul 2025547 AMAQI
26th Jul 2025468 AMAQI
26th Jul 2025529 AMAQI
26th Jul 20255210 AMAQI
26th Jul 20255811 AMAQI
26th Jul 20255512 PMAQI
26th Jul 2025401 PMAQI
26th Jul 2025262 PMAQI
26th Jul 2025193 PMAQI
26th Jul 2025184 PMAQI
26th Jul 2025195 PMAQI
26th Jul 2025226 PMAQI
26th Jul 2025307 PMAQI
26th Jul 2025428 PMAQI
26th Jul 2025449 PMAQI
26th Jul 20255010 PMAQI
26th Jul 20255211 PMAQI
27th Jul 20255012 AMAQI
27th Jul 2025561 AMAQI
27th Jul 2025562 AMAQI
27th Jul 2025553 AMAQI
27th Jul 2025554 AMAQI
21°C19/22°C
27th Jul 2025545 AMAQI
27th Jul 2025556 AMAQI
27th Jul 2025547 AMAQI
27th Jul 2025418 AMAQI
27th Jul 2025339 AMAQI
27th Jul 20253010 AMAQI
27th Jul 20252911 AMAQI
27th Jul 20252712 PMAQI
27th Jul 2025321 PMAQI
27th Jul 2025262 PMAQI
27th Jul 2025213 PMAQI
27th Jul 2025204 PMAQI
27th Jul 2025245 PMAQI
27th Jul 2025266 PMAQI
27th Jul 2025367 PMAQI
27th Jul 2025498 PMAQI
27th Jul 2025539 PMAQI
27th Jul 20255510 PMAQI
27th Jul 20255911 PMAQI
28th Jul 20255812 AMAQI
28th Jul 2025551 AMAQI
28th Jul 2025552 AMAQI
28th Jul 2025533 AMAQI
28th Jul 2025524 AMAQI
24°C19/30°C
28th Jul 2025525 AMAQI
28th Jul 2025526 AMAQI
28th Jul 2025527 AMAQI
28th Jul 2025588 AMAQI
28th Jul 2025669 AMAQI
28th Jul 20256810 AMAQI
28th Jul 20256611 AMAQI
28th Jul 20256212 PMAQI
28th Jul 2025631 PMAQI
28th Jul 2025662 PMAQI
28th Jul 2025623 PMAQI
28th Jul 2025604 PMAQI
28th Jul 2025595 PMAQI
28th Jul 2025536 PMAQI
28th Jul 2025467 PMAQI
28th Jul 2025528 PMAQI
28th Jul 2025529 PMAQI
28th Jul 20255610 PMAQI
28th Jul 20256211 PMAQI
29th Jul 20256012 AMAQI
29th Jul 2025551 AMAQI
29th Jul 2025542 AMAQI
29th Jul 2025563 AMAQI
29th Jul 2025574 AMAQI
25°C21/31°C
29th Jul 2025565 AMAQI
29th Jul 2025576 AMAQI
29th Jul 2025567 AMAQI
29th Jul 2025738 AMAQI
29th Jul 2025769 AMAQI
29th Jul 20256710 AMAQI
29th Jul 20255011 AMAQI
29th Jul 20252212 PMAQI
29th Jul 2025171 PMAQI
29th Jul 2025192 PMAQI
29th Jul 2025193 PMAQI
29th Jul 2025184 PMAQI
29th Jul 2025185 PMAQI
29th Jul 2025186 PMAQI
29th Jul 2025307 PMAQI
29th Jul 2025418 PMAQI
29th Jul 2025439 PMAQI
29th Jul 20254610 PMAQI
29th Jul 20254611 PMAQI
30th Jul 20254612 AMAQI
30th Jul 2025571 AMAQI
30th Jul 2025562 AMAQI
30th Jul 2025563 AMAQI
30th Jul 2025554 AMAQI
22°C18/27°C
30th Jul 2025555 AMAQI
30th Jul 2025566 AMAQI
30th Jul 2025567 AMAQI
30th Jul 2025318 AMAQI
30th Jul 2025299 AMAQI
30th Jul 20252810 AMAQI
30th Jul 20252111 AMAQI
30th Jul 20252212 PMAQI
30th Jul 2025201 PMAQI
30th Jul 2025212 PMAQI
30th Jul 2025223 PMAQI
30th Jul 2025214 PMAQI
30th Jul 2025215 PMAQI
30th Jul 2025236 PMAQI
30th Jul 2025377 PMAQI
30th Jul 2025468 PMAQI
30th Jul 2025499 PMAQI
30th Jul 20255210 PMAQI
30th Jul 20255311 PMAQI
31st Jul 20255412 AMAQI
31st Jul 2025551 AMAQI
31st Jul 2025552 AMAQI
31st Jul 2025553 AMAQI
31st Jul 2025554 AMAQI
21°C15/27°C
31st Jul 2025555 AMAQI
31st Jul 2025556 AMAQI
31st Jul 2025557 AMAQI
31st Jul 2025558 AMAQI
31st Jul 2025559 AMAQI
31st Jul 20256010 AMAQI
31st Jul 20256411 AMAQI
31st Jul 20256612 PMAQI
31st Jul 2025721 PMAQI
31st Jul 2025772 PMAQI
31st Jul 2025793 PMAQI
31st Jul 2025774 PMAQI
31st Jul 2025745 PMAQI
31st Jul 2025686 PMAQI
31st Jul 2025617 PMAQI
31st Jul 2025608 PMAQI
31st Jul 2025659 PMAQI
31st Jul 20256410 PMAQI
31st Jul 20256811 PMAQI
1st Aug 20256412 AMAQI
1st Aug 2025571 AMAQI
1st Aug 2025562 AMAQI
1st Aug 2025573 AMAQI
1st Aug 2025584 AMAQI
19°C17/20°C
1st Aug 2025585 AMAQI
1st Aug 2025586 AMAQI
1st Aug 2025607 AMAQI
1st Aug 2025708 AMAQI
1st Aug 2025679 AMAQI
1st Aug 20257110 AMAQI
1st Aug 20256511 AMAQI
1st Aug 20256612 PMAQI
1st Aug 2025741 PMAQI
1st Aug 2025712 PMAQI
1st Aug 2025703 PMAQI
1st Aug 2025694 PMAQI
1st Aug 2025625 PMAQI
1st Aug 2025626 PMAQI
1st Aug 2025647 PMAQI
1st Aug 2025648 PMAQI
1st Aug 2025689 PMAQI
1st Aug 20257010 PMAQI
1st Aug 20257011 PMAQI
2nd Aug 20256412 AMAQI
2nd Aug 2025581 AMAQI
2nd Aug 2025582 AMAQI
2nd Aug 2025603 AMAQI
2nd Aug 2025624 AMAQI
24°C18/30°C
2nd Aug 2025625 AMAQI
2nd Aug 2025626 AMAQI
2nd Aug 2025627 AMAQI
2nd Aug 2025728 AMAQI
2nd Aug 2025779 AMAQI
2nd Aug 20257610 AMAQI
2nd Aug 20257611 AMAQI
2nd Aug 20257612 PMAQI
2nd Aug 2025881 PMAQI
2nd Aug 2025812 PMAQI
2nd Aug 2025763 PMAQI
2nd Aug 2025644 PMAQI
2nd Aug 2025585 PMAQI
2nd Aug 2025646 PMAQI
2nd Aug 2025607 PMAQI
2nd Aug 2025608 PMAQI
2nd Aug 2025619 PMAQI
2nd Aug 20256410 PMAQI
2nd Aug 20256611 PMAQI
3rd Aug 20256412 AMAQI
3rd Aug 2025591 AMAQI
3rd Aug 2025592 AMAQI
3rd Aug 2025633 AMAQI
3rd Aug 2025644 AMAQI
24°C19/30°C
3rd Aug 2025645 AMAQI
5 AM3rd Aug 2025646 AMAQI
3rd Aug 2025647 AMAQI
3rd Aug 2025688 AMAQI
3rd Aug 2025719 AMAQI
3rd Aug 20257110 AMAQI
3rd Aug 20257711 AMAQI
3rd Aug 20257012 PMAQI
12 PM3rd Aug 2025691 PMAQI
3rd Aug 2025622 PMAQI
3rd Aug 2025603 PMAQI
3rd Aug 2025584 PMAQI
3rd Aug 2025595 PMAQI
3rd Aug 2025576 PMAQI
3rd Aug 2025587 PMAQI
8 PM
12 AM
4 AM
--°C/°C
Day time
Avg. Highest Time
5 AM - 1 PM
54AQI
9 hours / Day
270 hours / Month
Avg. Lowest Time
2 PM - 6 PM
44AQI
5 hours / Day
150 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 5 AM to 1 PM (Avg. 54), while the lowest AQI was between 2 PM to 6 PM (Avg. 44).
Night time
Avg. Highest Time
12 AM - 4 AM
58AQI
5 hours / Day
150 hours / Month
Avg. Lowest Time
9 PM - 11 PM
56AQI
3 hours / Day
90 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 4 AM (Avg. 58), while the lowest AQI was between 9 PM to 11 PM (Avg. 56).
2025 Days Vs Air Quality
Engineering University, Hohhot, Inner Mongolia, China
2025
23%
50
66%
141
8%
17
2%
4
0.9%
2
Total number of days with different AQI categories in last 215 days in 2025 (150 days remaining)
Good
50 DaysModerate
141 DaysPoor
17 DaysUnhealthy
4 DaysSevere
2 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 23%
Health Risk Level:
Very high
In 2025, 23% of 215 days were within WHO’s safe air quality limits. The risk of health issues is Very high, including respiratory issues, heart disease, and stress, particularly affecting vulnerable groups.
Annual Air Quality Insights
Engineering University, Hohhot, Inner Mongolia, 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
97AQI
97AQI
2nd January 2025
70AQI
70AQI
3rd January 2025
87AQI
87AQI
4th January 2025
109AQI
109AQI
5th January 2025
67AQI
67AQI
6th January 2025
66AQI
66AQI
7th January 2025
57AQI
57AQI
8th January 2025
36AQI
36AQI
9th January 2025
60AQI
60AQI
10th January 2025
71AQI
71AQI
11th January 2025
85AQI
85AQI
12th January 2025
73AQI
73AQI
13th January 2025
105AQI
105AQI
14th January 2025
39AQI
39AQI
15th January 2025
87AQI
87AQI
16th January 2025
83AQI
83AQI
17th January 2025
103AQI
103AQI
18th January 2025
130AQI
130AQI
19th January 2025
112AQI
112AQI
20th January 2025
133AQI
133AQI
21st January 2025
84AQI
84AQI
22nd January 2025
113AQI
113AQI
23rd January 2025
118AQI
118AQI
24th January 2025
98AQI
98AQI
25th January 2025
125AQI
125AQI
26th January 2025
75AQI
75AQI
27th January 2025
78AQI
78AQI
28th January 2025
95AQI
95AQI
29th January 2025
145AQI
145AQI
30th January 2025
182AQI
182AQI
31st January 2025
158AQI
158AQI
1st February 2025
160AQI
160AQI
2nd February 2025
65AQI
65AQI
3rd February 2025
76AQI
76AQI
4th February 2025
53AQI
53AQI
5th February 2025
60AQI
60AQI
6th February 2025
55AQI
55AQI
7th February 2025
46AQI
46AQI
8th February 2025
58AQI
58AQI
9th February 2025
70AQI
70AQI
10th February 2025
88AQI
88AQI
11th February 2025
71AQI
71AQI
12th February 2025
82AQI
82AQI
13th February 2025
108AQI
108AQI
14th February 2025
86AQI
86AQI
15th February 2025
84AQI
84AQI
16th February 2025
45AQI
45AQI
17th February 2025
62AQI
62AQI
18th February 2025
26AQI
26AQI
19th February 2025
31AQI
31AQI
20th February 2025
32AQI
32AQI
21st February 2025
23AQI
23AQI
22nd February 2025
25AQI
25AQI
23rd February 2025
37AQI
37AQI
24th February 2025
56AQI
56AQI
25th February 2025
55AQI
55AQI
26th February 2025
71AQI
71AQI
27th February 2025
88AQI
88AQI
28th February 2025
74AQI
74AQI
1st March 2025
77AQI
77AQI
2nd March 2025
34AQI
34AQI
3rd March 2025
59AQI
59AQI
4th March 2025
78AQI
78AQI
5th March 2025
43AQI
43AQI
6th March 2025
47AQI
47AQI
7th March 2025
59AQI
59AQI
8th March 2025
76AQI
76AQI
9th March 2025
82AQI
82AQI
10th March 2025
112AQI
112AQI
11th March 2025
135AQI
135AQI
12th March 2025
90AQI
90AQI
13th March 2025
77AQI
77AQI
14th March 2025
75AQI
75AQI
15th March 2025
43AQI
43AQI
16th March 2025
61AQI
61AQI
17th March 2025
40AQI
40AQI
18th March 2025
55AQI
55AQI
19th March 2025
52AQI
52AQI
20th March 2025
52AQI
52AQI
21st March 2025
78AQI
78AQI
22nd March 2025
92AQI
92AQI
23rd March 2025
235AQI
235AQI
24th March 2025
226AQI
226AQI
25th March 2025
140AQI
140AQI
26th March 2025
180AQI
180AQI
27th March 2025
90AQI
90AQI
28th March 2025
65AQI
65AQI
29th March 2025
46AQI
46AQI
30th March 2025
62AQI
62AQI
31st March 2025
58AQI
58AQI
1st April 2025
45AQI
45AQI
2nd April 2025
57AQI
57AQI
3rd April 2025
92AQI
92AQI
4th April 2025
56AQI
56AQI
5th April 2025
72AQI
72AQI
6th April 2025
99AQI
99AQI
7th April 2025
56AQI
56AQI
8th April 2025
87AQI
87AQI
9th April 2025
71AQI
71AQI
10th April 2025
76AQI
76AQI
11th April 2025
120AQI
120AQI
12th April 2025
46AQI
46AQI
13th April 2025
55AQI
55AQI
14th April 2025
44AQI
44AQI
15th April 2025
81AQI
81AQI
16th April 2025
132AQI
132AQI
17th April 2025
74AQI
74AQI
18th April 2025
87AQI
87AQI
19th April 2025
84AQI
84AQI
20th April 2025
99AQI
99AQI
21st April 2025
58AQI
58AQI
22nd April 2025
87AQI
87AQI
23rd April 2025
42AQI
42AQI
24th April 2025
62AQI
62AQI
25th April 2025
62AQI
62AQI
26th April 2025
59AQI
59AQI
27th April 2025
37AQI
37AQI
28th April 2025
57AQI
57AQI
29th April 2025
54AQI
54AQI
30th April 2025
56AQI
56AQI
1st May 2025
60AQI
60AQI
2nd May 2025
45AQI
45AQI
3rd May 2025
52AQI
52AQI
4th May 2025
63AQI
63AQI
5th May 2025
88AQI
88AQI
6th May 2025
66AQI
66AQI
7th May 2025
87AQI
87AQI
8th May 2025
85AQI
85AQI
9th May 2025
81AQI
81AQI
10th May 2025
80AQI
80AQI
11th May 2025
71AQI
71AQI
12th May 2025
81AQI
81AQI
13th May 2025
74AQI
74AQI
14th May 2025
61AQI
61AQI
15th May 2025
67AQI
67AQI
16th May 2025
132AQI
132AQI
17th May 2025
63AQI
63AQI
18th May 2025
81AQI
81AQI
19th May 2025
72AQI
72AQI
20th May 2025
91AQI
91AQI
21st May 2025
62AQI
62AQI
22nd May 2025
63AQI
63AQI
23rd May 2025
94AQI
94AQI
24th May 2025
76AQI
76AQI
25th May 2025
76AQI
76AQI
26th May 2025
66AQI
66AQI
27th May 2025
72AQI
72AQI
28th May 2025
75AQI
75AQI
29th May 2025
81AQI
81AQI
30th May 2025
83AQI
83AQI
31st May 2025
47AQI
47AQI
1st June 2025
74AQI
74AQI
2nd June 2025
32AQI
32AQI
3rd June 2025
42AQI
42AQI
4th June 2025
37AQI
37AQI
5th June 2025
58AQI
58AQI
6th June 2025
46AQI
46AQI
7th June 2025
43AQI
43AQI
8th June 2025
45AQI
45AQI
9th June 2025
51AQI
51AQI
10th June 2025
58AQI
58AQI
11th June 2025
61AQI
61AQI
12th June 2025
72AQI
72AQI
13th June 2025
61AQI
61AQI
14th June 2025
48AQI
48AQI
15th June 2025
38AQI
38AQI
16th June 2025
47AQI
47AQI
17th June 2025
58AQI
58AQI
18th June 2025
54AQI
54AQI
19th June 2025
47AQI
47AQI
20th June 2025
50AQI
50AQI
21st June 2025
46AQI
46AQI
22nd June 2025
41AQI
41AQI
23rd June 2025
54AQI
54AQI
24th June 2025
60AQI
60AQI
25th June 2025
64AQI
64AQI
26th June 2025
78AQI
78AQI
27th June 2025
67AQI
67AQI
28th June 2025
66AQI
66AQI
29th June 2025
63AQI
63AQI
30th June 2025
67AQI
67AQI
1st July 2025
64AQI
64AQI
2nd July 2025
55AQI
55AQI
3rd July 2025
69AQI
69AQI
4th July 2025
63AQI
63AQI
5th July 2025
44AQI
44AQI
6th July 2025
44AQI
44AQI
7th July 2025
55AQI
55AQI
8th July 2025
55AQI
55AQI
9th July 2025
56AQI
56AQI
10th July 2025
59AQI
59AQI
11th July 2025
60AQI
60AQI
12th July 2025
59AQI
59AQI
13th July 2025
50AQI
50AQI
14th July 2025
66AQI
66AQI
15th July 2025
49AQI
49AQI
16th July 2025
40AQI
40AQI
17th July 2025
46AQI
46AQI
18th July 2025
57AQI
57AQI
19th July 2025
50AQI
50AQI
20th July 2025
39AQI
39AQI
21st July 2025
44AQI
44AQI
22nd July 2025
62AQI
62AQI
23rd July 2025
55AQI
55AQI
24th July 2025
50AQI
50AQI
25th July 2025
52AQI
52AQI
26th July 2025
45AQI
45AQI
27th July 2025
43AQI
43AQI
28th July 2025
57AQI
57AQI
29th July 2025
44AQI
44AQI
30th July 2025
41AQI
41AQI
31st July 2025
62AQI
62AQI
1st August 2025
64AQI
64AQI
2nd August 2025
65AQI
65AQI
95AQI
64AQI
84AQI
70AQI
74AQI
54AQI
53AQI
65AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202571AQI
2
17
10
2
8
18
1
1
6
19
3
1
2
5
23
2
2
28
1
13
17
14
17
2
50
141
17
4
2
Highest AQI recorded in
January95AQI
Lowest AQI recorded in
July53AQI
202478AQI
3
6
7
13
2
5
8
10
4
1
1
5
15
9
1
1
5
15
6
1
2
4
22
4
1
9
19
1
1
12
17
1
1
19
12
17
10
3
10
19
2
7
14
9
5
24
2
101
181
53
22
7
1
Highest AQI recorded in
January135AQI
Lowest AQI recorded in
August48AQI
202387AQI
2
11
12
6
6
12
6
4
2
16
10
2
1
3
15
3
6
3
3
22
4
2
12
17
1
9
22
12
18
1
11
15
4
5
15
10
1
8
7
10
1
1
10
8
7
5
74
180
69
29
9
Highest AQI recorded in
December137AQI
Lowest AQI recorded in
August55AQI
202276AQI
2
12
8
9
1
16
3
1
4
18
4
5
1
13
3
11
19
1
17
13
11
12
1
2
6
20
2
9
14
7
1
3
4
3
6
15
9
1
72
158
40
16
1
Highest AQI recorded in
January114AQI
Lowest AQI recorded in
July49AQI
202195AQI
2
10
10
6
3
5
10
8
1
3
1
1
11
14
1
1
3
5
17
7
1
5
20
3
2
1
10
19
1
14
17
9
10
1
1
6
24
9
17
5
3
8
15
4
4
8
15
4
73
171
79
17
6
9
Highest AQI recorded in
January163AQI
Lowest AQI recorded in
July49AQI
202082AQI
2
5
3
3
6
13
1
1
7
9
2
3
23
3
1
6
23
2
5
26
11
16
3
4
18
6
2
1
4
13
7
6
3
3
17
8
51
149
44
20
2
Highest AQI recorded in
December120AQI
Lowest AQI recorded in
September61AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2021(Avg.)
95AQILeast Polluted Year Recorded
2025(Avg.)
71AQIEngineering University's annual 2025 AQI (71) shows an average percentage change of -14.8% (improved AQI) compared to previous years: 2020 (82), 2021 (95), 2022 (76), 2023 (87), 2024 (78).
