Country Background
HistoryAQIPM2.5PM10COSO2NO2O3

Haidian Sijiqing, Beijing, Beijing, 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+

March Air Quality Analysis

Haidian Sijiqing, Beijing, Beijing, China

2022
2023
2024
2025
2026
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
10th Mar 2022
226AQI
Lowest AQI recorded on
1st Mar 2023
25AQI

Same Day Analysis (13th March):
On this day, AQI across the 5 years varied significantly: 2026 ranks 3rd highest AQI at 141 of Poor air quality, showing improvement over 2025 and 2022 on the same day.

Download 2024 Annual Data

World Air Quality Report

Globe

Day & Night AQI Trend: 12th Mar - 13th Mar 2026

Haidian Sijiqing, Beijing, Beijing, China

AQI
Day
Night
.

6 AM12th Mar 2026

6 PM

5 AM13th Mar 2026

Day time
Avg. Highest Time
11AM12th Mar

156AQI

Avg. Lowest Time
2PM12th Mar

148AQI

Night time
Avg. Highest Time
8PM12th Mar

160AQI

Avg. Lowest Time
4AM13th Mar

119AQI

In the last 24 hours,

Haidian Sijiqing's AQI reached its highest point of 160 at 8 PM during the Night, while the lowest point, 119, was recorded at 4 AM during the Night between 12th Mar and 13th Mar 2026.

Day & Night AQI Trend : Feb - Mar 2026

Haidian Sijiqing, Beijing, Beijing, China

FebMar
12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th
Day
Night
12th Feb 20261006 AMAQI
12th Feb 2026967 AMAQI
12th Feb 2026908 AMAQI
12th Feb 2026909 AMAQI
12th Feb 20269210 AMAQI
12th Feb 20269911 AMAQI
12th Feb 202610212 PMAQI
12th Feb 20261041 PMAQI
12th Feb 2026982 PMAQI
12th Feb 20261053 PMAQI
12th Feb 2026954 PMAQI
12th Feb 2026905 PMAQI
12th Feb 20261066 PMAQI
12th Feb 20261267 PMAQI
12th Feb 20261508 PMAQI
12th Feb 20261069 PMAQI
12th Feb 202614110 PMAQI
12th Feb 202613611 PMAQI
13th Feb 202613212 AMAQI
13th Feb 20261201 AMAQI
13th Feb 20261342 AMAQI
13th Feb 20261203 AMAQI
13th Feb 20261224 AMAQI
13th Feb 20261165 AMAQI

6°C1/11°C

13th Feb 20261186 AMAQI
13th Feb 20261227 AMAQI
13th Feb 20261168 AMAQI
13th Feb 20261189 AMAQI
13th Feb 202611410 AMAQI
13th Feb 202610411 AMAQI
13th Feb 202610012 PMAQI
13th Feb 2026961 PMAQI
13th Feb 2026862 PMAQI
13th Feb 2026963 PMAQI
13th Feb 2026974 PMAQI
13th Feb 20261155 PMAQI
13th Feb 20261386 PMAQI
13th Feb 20261247 PMAQI
13th Feb 20261358 PMAQI
13th Feb 20261449 PMAQI
13th Feb 202615210 PMAQI
13th Feb 202615211 PMAQI
14th Feb 202615612 AMAQI
14th Feb 20261511 AMAQI
14th Feb 20261522 AMAQI
14th Feb 20261533 AMAQI
14th Feb 20261554 AMAQI
14th Feb 20261595 AMAQI

7°C3/12°C

14th Feb 20261586 AMAQI
14th Feb 20261547 AMAQI
14th Feb 20261528 AMAQI
14th Feb 20261539 AMAQI
14th Feb 202615210 AMAQI
14th Feb 202611211 AMAQI
14th Feb 20267812 PMAQI
14th Feb 2026661 PMAQI
14th Feb 2026542 PMAQI
14th Feb 2026723 PMAQI
14th Feb 2026694 PMAQI
14th Feb 2026625 PMAQI
14th Feb 2026576 PMAQI
14th Feb 2026587 PMAQI
14th Feb 2026588 PMAQI
14th Feb 2026569 PMAQI
14th Feb 20268410 PMAQI
14th Feb 20267211 PMAQI
15th Feb 20266612 AMAQI
15th Feb 2026561 AMAQI
15th Feb 2026282 AMAQI
15th Feb 2026593 AMAQI
15th Feb 20261024 AMAQI
15th Feb 2026515 AMAQI

8°C4/13°C

15th Feb 2026516 AMAQI
15th Feb 2026477 AMAQI
15th Feb 2026458 AMAQI
15th Feb 2026489 AMAQI
15th Feb 20262410 AMAQI
15th Feb 20262511 AMAQI
15th Feb 20262412 PMAQI
15th Feb 2026221 PMAQI
15th Feb 2026222 PMAQI
15th Feb 2026203 PMAQI
15th Feb 2026194 PMAQI
15th Feb 2026205 PMAQI
15th Feb 2026186 PMAQI
15th Feb 2026207 PMAQI
15th Feb 2026208 PMAQI
15th Feb 2026209 PMAQI
15th Feb 20261810 PMAQI
15th Feb 20261611 PMAQI
16th Feb 20261712 AMAQI
16th Feb 2026181 AMAQI
16th Feb 2026202 AMAQI
16th Feb 2026203 AMAQI
16th Feb 2026194 AMAQI
16th Feb 2026175 AMAQI

3°C1/5°C

16th Feb 2026146 AMAQI
16th Feb 2026127 AMAQI
16th Feb 2026178 AMAQI
16th Feb 2026149 AMAQI
16th Feb 20261710 AMAQI
16th Feb 20261411 AMAQI
16th Feb 20261412 PMAQI
16th Feb 2026141 PMAQI
16th Feb 2026122 PMAQI
16th Feb 2026123 PMAQI
16th Feb 2026174 PMAQI
16th Feb 2026275 PMAQI
16th Feb 2026446 PMAQI
16th Feb 2026537 PMAQI
16th Feb 2026488 PMAQI
16th Feb 2026539 PMAQI
16th Feb 20266010 PMAQI
16th Feb 20266811 PMAQI
17th Feb 20267912 AMAQI
17th Feb 2026821 AMAQI
17th Feb 2026872 AMAQI
17th Feb 2026843 AMAQI
17th Feb 2026784 AMAQI
17th Feb 2026745 AMAQI

2°C-2/7°C

17th Feb 2026716 AMAQI
17th Feb 2026727 AMAQI
17th Feb 2026698 AMAQI
17th Feb 2026709 AMAQI
17th Feb 20267010 AMAQI
17th Feb 20268211 AMAQI
17th Feb 20268012 PMAQI
17th Feb 2026651 PMAQI
17th Feb 2026422 PMAQI
17th Feb 2026453 PMAQI
17th Feb 2026554 PMAQI
17th Feb 2026595 PMAQI
17th Feb 2026626 PMAQI
17th Feb 2026597 PMAQI
17th Feb 2026728 PMAQI
17th Feb 2026829 PMAQI
17th Feb 20267010 PMAQI
17th Feb 20264011 PMAQI
18th Feb 20261812 AMAQI
18th Feb 2026141 AMAQI
18th Feb 2026162 AMAQI
18th Feb 2026193 AMAQI
18th Feb 2026214 AMAQI
18th Feb 2026235 AMAQI

5°C0/11°C

18th Feb 2026256 AMAQI
18th Feb 2026217 AMAQI
18th Feb 2026218 AMAQI
18th Feb 2026179 AMAQI
18th Feb 20261010 AMAQI
18th Feb 20261011 AMAQI
18th Feb 20261412 PMAQI
18th Feb 2026211 PMAQI
18th Feb 2026272 PMAQI
18th Feb 2026403 PMAQI
18th Feb 2026564 PMAQI
18th Feb 2026625 PMAQI
18th Feb 2026656 PMAQI
18th Feb 2026607 PMAQI
18th Feb 2026628 PMAQI
18th Feb 2026709 PMAQI
18th Feb 20267010 PMAQI
18th Feb 20268011 PMAQI
19th Feb 20267612 AMAQI
19th Feb 2026801 AMAQI
19th Feb 2026872 AMAQI
19th Feb 2026943 AMAQI
19th Feb 2026904 AMAQI
19th Feb 2026945 AMAQI

6°C2/11°C

19th Feb 2026986 AMAQI
19th Feb 2026997 AMAQI
19th Feb 2026988 AMAQI
19th Feb 20261069 AMAQI
19th Feb 202610210 AMAQI
19th Feb 202610611 AMAQI
19th Feb 202610912 PMAQI
19th Feb 20261021 PMAQI
19th Feb 2026902 PMAQI
19th Feb 2026783 PMAQI
19th Feb 2026764 PMAQI
19th Feb 2026715 PMAQI
19th Feb 2026826 PMAQI
19th Feb 2026927 PMAQI
19th Feb 20261028 PMAQI
19th Feb 20261209 PMAQI
19th Feb 202612610 PMAQI
19th Feb 202613111 PMAQI
20th Feb 202612412 AMAQI
20th Feb 20261391 AMAQI
20th Feb 20261442 AMAQI
20th Feb 20261413 AMAQI
20th Feb 20261224 AMAQI
20th Feb 20261285 AMAQI

7°C1/13°C

20th Feb 20261296 AMAQI
20th Feb 20261257 AMAQI
20th Feb 20261288 AMAQI
20th Feb 20261219 AMAQI
20th Feb 202611210 AMAQI
20th Feb 202610811 AMAQI
20th Feb 202612012 PMAQI
20th Feb 20261321 PMAQI
20th Feb 20261352 PMAQI
20th Feb 20261263 PMAQI
20th Feb 20261264 PMAQI
20th Feb 20261385 PMAQI
20th Feb 20261386 PMAQI
20th Feb 20261357 PMAQI
20th Feb 20261358 PMAQI
20th Feb 20261409 PMAQI
20th Feb 202614310 PMAQI
20th Feb 202614911 PMAQI
21st Feb 202614812 AMAQI
21st Feb 20261521 AMAQI
21st Feb 20261502 AMAQI
21st Feb 20261403 AMAQI
21st Feb 20261404 AMAQI
21st Feb 20261505 AMAQI

9°C4/14°C

21st Feb 20261426 AMAQI
21st Feb 20261467 AMAQI
21st Feb 20261408 AMAQI
21st Feb 20261519 AMAQI
21st Feb 202615010 AMAQI
21st Feb 202614211 AMAQI
21st Feb 202615012 PMAQI
21st Feb 20261511 PMAQI
21st Feb 20261422 PMAQI
21st Feb 20261383 PMAQI
21st Feb 20261124 PMAQI
21st Feb 2026785 PMAQI
21st Feb 2026856 PMAQI
21st Feb 2026977 PMAQI
21st Feb 2026908 PMAQI
21st Feb 2026689 PMAQI
21st Feb 20266010 PMAQI
21st Feb 20268811 PMAQI
22nd Feb 20267412 AMAQI
22nd Feb 2026641 AMAQI
22nd Feb 2026662 AMAQI
22nd Feb 2026883 AMAQI
22nd Feb 2026904 AMAQI
22nd Feb 2026565 AMAQI

11°C5/19°C

22nd Feb 2026526 AMAQI
22nd Feb 2026627 AMAQI
22nd Feb 2026668 AMAQI
22nd Feb 2026769 AMAQI
22nd Feb 20263810 AMAQI
22nd Feb 20264211 AMAQI
22nd Feb 20265912 PMAQI
22nd Feb 2026661 PMAQI
22nd Feb 2026792 PMAQI
22nd Feb 2026613 PMAQI
22nd Feb 2026494 PMAQI
22nd Feb 2026335 PMAQI
22nd Feb 2026406 PMAQI
22nd Feb 2026367 PMAQI
22nd Feb 2026388 PMAQI
22nd Feb 2026489 PMAQI
22nd Feb 20264010 PMAQI
22nd Feb 20264411 PMAQI
23rd Feb 20264212 AMAQI
23rd Feb 2026621 AMAQI
23rd Feb 2026182 AMAQI
23rd Feb 2026173 AMAQI
23rd Feb 2026184 AMAQI
23rd Feb 2026185 AMAQI

3°C1/5°C

23rd Feb 2026166 AMAQI
23rd Feb 2026187 AMAQI
23rd Feb 2026218 AMAQI
23rd Feb 2026189 AMAQI
23rd Feb 20261410 AMAQI
23rd Feb 20261611 AMAQI
23rd Feb 20261912 PMAQI
23rd Feb 2026261 PMAQI
23rd Feb 2026332 PMAQI
23rd Feb 2026383 PMAQI
23rd Feb 2026404 PMAQI
23rd Feb 2026465 PMAQI
23rd Feb 2026446 PMAQI
23rd Feb 2026487 PMAQI
23rd Feb 2026538 PMAQI
23rd Feb 2026589 PMAQI
23rd Feb 20266410 PMAQI
23rd Feb 20266011 PMAQI
24th Feb 20265812 AMAQI
24th Feb 2026601 AMAQI
24th Feb 2026632 AMAQI
24th Feb 2026603 AMAQI
24th Feb 2026624 AMAQI
24th Feb 2026625 AMAQI

2°C-1/5°C

24th Feb 2026666 AMAQI
24th Feb 2026727 AMAQI
24th Feb 2026718 AMAQI
24th Feb 2026789 AMAQI
24th Feb 20267810 AMAQI
24th Feb 20267311 AMAQI
24th Feb 20267112 PMAQI
24th Feb 2026691 PMAQI
24th Feb 2026742 PMAQI
24th Feb 2026743 PMAQI
24th Feb 2026784 PMAQI
24th Feb 2026815 PMAQI
24th Feb 2026866 PMAQI
24th Feb 2026987 PMAQI
24th Feb 2026928 PMAQI
24th Feb 2026979 PMAQI
24th Feb 202610010 PMAQI
24th Feb 20268411 PMAQI
25th Feb 20267612 AMAQI
25th Feb 20261201 AMAQI
25th Feb 20261362 AMAQI
25th Feb 20261343 AMAQI
25th Feb 20261224 AMAQI
25th Feb 2026895 AMAQI

4°C-1/8°C

25th Feb 20261166 AMAQI
25th Feb 20261527 AMAQI
25th Feb 20261528 AMAQI
25th Feb 20261549 AMAQI
25th Feb 202615610 AMAQI
25th Feb 202611411 AMAQI
25th Feb 20266812 PMAQI
25th Feb 2026691 PMAQI
25th Feb 2026752 PMAQI
25th Feb 2026853 PMAQI
25th Feb 2026824 PMAQI
25th Feb 2026905 PMAQI
25th Feb 2026886 PMAQI
25th Feb 2026947 PMAQI
25th Feb 20261038 PMAQI
25th Feb 2026889 PMAQI
25th Feb 202611610 PMAQI
25th Feb 202615811 PMAQI
26th Feb 20269212 AMAQI
26th Feb 20261121 AMAQI
26th Feb 20261292 AMAQI
26th Feb 20261603 AMAQI
26th Feb 20261624 AMAQI
26th Feb 20261625 AMAQI

4°C3/6°C

26th Feb 20261616 AMAQI
26th Feb 20261597 AMAQI
26th Feb 20261588 AMAQI
26th Feb 20261539 AMAQI
26th Feb 202615010 AMAQI
26th Feb 202610811 AMAQI
26th Feb 20267312 PMAQI
26th Feb 2026601 PMAQI
26th Feb 2026572 PMAQI
26th Feb 2026863 PMAQI
26th Feb 20261344 PMAQI
26th Feb 20261545 PMAQI
26th Feb 20261446 PMAQI
26th Feb 20261487 PMAQI
26th Feb 20261328 PMAQI
26th Feb 20261349 PMAQI
26th Feb 20269610 PMAQI
26th Feb 20267411 PMAQI
27th Feb 20267212 AMAQI
27th Feb 2026781 AMAQI
27th Feb 2026922 AMAQI
27th Feb 2026883 AMAQI
27th Feb 2026924 AMAQI
27th Feb 2026895 AMAQI

5°C2/7°C

27th Feb 20261036 AMAQI
27th Feb 2026907 AMAQI
27th Feb 2026818 AMAQI
27th Feb 2026909 AMAQI
27th Feb 202611610 AMAQI
27th Feb 202610411 AMAQI
27th Feb 20268812 PMAQI
27th Feb 2026941 PMAQI
27th Feb 2026832 PMAQI
27th Feb 2026723 PMAQI
27th Feb 2026824 PMAQI
27th Feb 2026885 PMAQI
27th Feb 2026886 PMAQI
27th Feb 2026877 PMAQI
27th Feb 2026948 PMAQI
27th Feb 2026979 PMAQI
27th Feb 20269610 PMAQI
27th Feb 202610011 PMAQI
28th Feb 20269712 AMAQI
28th Feb 2026971 AMAQI
28th Feb 20261042 AMAQI
28th Feb 20261123 AMAQI
28th Feb 20261224 AMAQI
28th Feb 20261355 AMAQI

3°C0/7°C

28th Feb 20261506 AMAQI
28th Feb 20261527 AMAQI
28th Feb 20261428 AMAQI
28th Feb 20261229 AMAQI
28th Feb 202610610 AMAQI
28th Feb 202611111 AMAQI
28th Feb 202610012 PMAQI
28th Feb 20261041 PMAQI
28th Feb 20261002 PMAQI
28th Feb 20261003 PMAQI
28th Feb 2026994 PMAQI
28th Feb 20261045 PMAQI
28th Feb 20261166 PMAQI
28th Feb 20261127 PMAQI
28th Feb 20261358 PMAQI
28th Feb 20261409 PMAQI
28th Feb 202612810 PMAQI
28th Feb 202612811 PMAQI
1st Mar 202612612 AMAQI
1st Mar 20261281 AMAQI
1st Mar 20261382 AMAQI
1st Mar 20261323 AMAQI
1st Mar 20261444 AMAQI
1st Mar 20261425 AMAQI

3°C2/5°C

1st Mar 20261466 AMAQI
1st Mar 20261467 AMAQI
1st Mar 20261448 AMAQI
1st Mar 20261499 AMAQI
1st Mar 202614210 AMAQI
1st Mar 202614811 AMAQI
1st Mar 202615612 PMAQI
1st Mar 20261581 PMAQI
1st Mar 20261582 PMAQI
1st Mar 20261583 PMAQI
1st Mar 20261584 PMAQI
1st Mar 20261555 PMAQI
1st Mar 20261566 PMAQI
1st Mar 20261557 PMAQI
1st Mar 20261588 PMAQI
1st Mar 20261569 PMAQI
1st Mar 202615910 PMAQI
1st Mar 202615711 PMAQI
2nd Mar 202615912 AMAQI
2nd Mar 20261571 AMAQI
2nd Mar 20261582 AMAQI
2nd Mar 20261563 AMAQI
2nd Mar 20261544 AMAQI
2nd Mar 20261585 AMAQI

3°C1/5°C

2nd Mar 20261596 AMAQI
2nd Mar 20261617 AMAQI
2nd Mar 20261628 AMAQI
2nd Mar 20261629 AMAQI
2nd Mar 202616710 AMAQI
2nd Mar 202616511 AMAQI
2nd Mar 202616612 PMAQI
2nd Mar 20261641 PMAQI
2nd Mar 20261662 PMAQI
2nd Mar 20261653 PMAQI
2nd Mar 20261684 PMAQI
2nd Mar 20261665 PMAQI
2nd Mar 20261646 PMAQI
2nd Mar 20261677 PMAQI
2nd Mar 20261628 PMAQI
2nd Mar 20261629 PMAQI
2nd Mar 202616110 PMAQI
2nd Mar 202616111 PMAQI
3rd Mar 202616412 AMAQI
3rd Mar 20261651 AMAQI
3rd Mar 20261692 AMAQI
3rd Mar 20261703 AMAQI
3rd Mar 20261724 AMAQI
3rd Mar 20261725 AMAQI

3°C2/5°C

3rd Mar 20261716 AMAQI
3rd Mar 20261747 AMAQI
3rd Mar 20261708 AMAQI
3rd Mar 20261709 AMAQI
3rd Mar 202617110 AMAQI
3rd Mar 202616611 AMAQI
3rd Mar 202616612 PMAQI
3rd Mar 20261621 PMAQI
3rd Mar 20261542 PMAQI
3rd Mar 20261173 PMAQI
3rd Mar 2026724 PMAQI
3rd Mar 2026515 PMAQI
3rd Mar 2026506 PMAQI
3rd Mar 2026367 PMAQI
3rd Mar 20261018 PMAQI
3rd Mar 20261569 PMAQI
3rd Mar 202615610 PMAQI
3rd Mar 202616011 PMAQI
4th Mar 202615912 AMAQI
4th Mar 20261501 AMAQI
4th Mar 2026972 AMAQI
4th Mar 20261043 AMAQI
4th Mar 2026944 AMAQI
4th Mar 20261045 AMAQI

6°C2/11°C

4th Mar 2026986 AMAQI
4th Mar 2026927 AMAQI
4th Mar 20261158 AMAQI
4th Mar 20261299 AMAQI
4th Mar 202613910 AMAQI
4th Mar 202615811 AMAQI
4th Mar 202616812 PMAQI
4th Mar 20261671 PMAQI
4th Mar 20261572 PMAQI
4th Mar 20261543 PMAQI
4th Mar 20261464 PMAQI
4th Mar 20261265 PMAQI
4th Mar 2026826 PMAQI
4th Mar 2026867 PMAQI
4th Mar 2026908 PMAQI
4th Mar 20261119 PMAQI
4th Mar 202612410 PMAQI
4th Mar 202611911 PMAQI
5th Mar 202611612 AMAQI
5th Mar 20261031 AMAQI
5th Mar 20261022 AMAQI
5th Mar 20261153 AMAQI
5th Mar 20261094 AMAQI
5th Mar 20261125 AMAQI

3°C0/6°C

5th Mar 20261156 AMAQI
5th Mar 20261187 AMAQI
5th Mar 20261388 AMAQI
5th Mar 20261329 AMAQI
5th Mar 202613910 AMAQI
5th Mar 202614511 AMAQI
5th Mar 202614612 PMAQI
5th Mar 20261461 PMAQI
5th Mar 20261502 PMAQI
5th Mar 20261483 PMAQI
5th Mar 20261484 PMAQI
5th Mar 20261475 PMAQI
5th Mar 20261446 PMAQI
5th Mar 20261457 PMAQI
5th Mar 20261448 PMAQI
5th Mar 20261459 PMAQI
5th Mar 202614810 PMAQI
5th Mar 202615011 PMAQI
6th Mar 202613812 AMAQI
6th Mar 20261321 AMAQI
6th Mar 20261182 AMAQI
6th Mar 20261103 AMAQI
6th Mar 2026824 AMAQI
6th Mar 2026725 AMAQI

0°C-2/2°C

6th Mar 2026786 AMAQI
6th Mar 2026787 AMAQI
6th Mar 2026668 AMAQI
6th Mar 2026549 AMAQI
6th Mar 20265010 AMAQI
6th Mar 20264011 AMAQI
6th Mar 20262912 PMAQI
6th Mar 2026251 PMAQI
6th Mar 2026212 PMAQI
6th Mar 2026233 PMAQI
6th Mar 2026164 PMAQI
6th Mar 2026175 PMAQI
6th Mar 2026176 PMAQI
6th Mar 2026217 PMAQI
6th Mar 2026258 PMAQI
6th Mar 2026339 PMAQI
6th Mar 20263610 PMAQI
6th Mar 20264711 PMAQI
7th Mar 20264612 AMAQI
7th Mar 2026511 AMAQI
7th Mar 2026532 AMAQI
7th Mar 2026543 AMAQI
7th Mar 2026514 AMAQI
7th Mar 2026645 AMAQI

3°C-1/8°C

7th Mar 2026886 AMAQI
7th Mar 20261107 AMAQI
7th Mar 20261088 AMAQI
7th Mar 20261349 AMAQI
7th Mar 202614210 AMAQI
7th Mar 202615611 AMAQI
7th Mar 202613112 PMAQI
7th Mar 20261401 PMAQI
7th Mar 20261572 PMAQI
7th Mar 20261563 PMAQI
7th Mar 20261544 PMAQI
7th Mar 20261525 PMAQI
7th Mar 20261516 PMAQI
7th Mar 20261487 PMAQI
7th Mar 20261528 PMAQI
7th Mar 20261519 PMAQI
7th Mar 202614910 PMAQI
7th Mar 202614211 PMAQI
8th Mar 202614512 AMAQI
8th Mar 20261391 AMAQI
8th Mar 20261342 AMAQI
8th Mar 20261443 AMAQI
8th Mar 20261504 AMAQI
8th Mar 20261425 AMAQI

4°C0/9°C

8th Mar 20261366 AMAQI
8th Mar 20261357 AMAQI
8th Mar 20261288 AMAQI
8th Mar 20261429 AMAQI
8th Mar 202615110 AMAQI
8th Mar 202615711 AMAQI
8th Mar 202615812 PMAQI
8th Mar 20261561 PMAQI
8th Mar 20261592 PMAQI
8th Mar 20261563 PMAQI
8th Mar 20261544 PMAQI
8th Mar 20261545 PMAQI
8th Mar 20261286 PMAQI
8th Mar 2026947 PMAQI
8th Mar 2026928 PMAQI
8th Mar 2026969 PMAQI
8th Mar 20269010 PMAQI
8th Mar 20269011 PMAQI
9th Mar 202611412 AMAQI
9th Mar 2026941 AMAQI
9th Mar 2026902 AMAQI
9th Mar 2026923 AMAQI
9th Mar 2026924 AMAQI
9th Mar 2026605 AMAQI

7°C2/13°C

9th Mar 2026726 AMAQI
9th Mar 2026607 AMAQI
9th Mar 2026728 AMAQI
9th Mar 2026769 AMAQI
9th Mar 20265810 AMAQI
9th Mar 20267211 AMAQI
9th Mar 20267212 PMAQI
9th Mar 2026501 PMAQI
9th Mar 2026512 PMAQI
9th Mar 2026623 PMAQI
9th Mar 2026524 PMAQI
9th Mar 2026565 PMAQI
9th Mar 2026236 PMAQI
9th Mar 2026407 PMAQI
9th Mar 2026608 PMAQI
9th Mar 2026719 PMAQI
9th Mar 20268610 PMAQI
9th Mar 20269211 PMAQI
10th Mar 20269412 AMAQI
10th Mar 20261151 AMAQI
10th Mar 20261292 AMAQI
10th Mar 20261283 AMAQI
10th Mar 20261404 AMAQI
10th Mar 20261285 AMAQI

7°C3/12°C

10th Mar 20261266 AMAQI
10th Mar 20261327 AMAQI
10th Mar 20261348 AMAQI
10th Mar 20261289 AMAQI
10th Mar 202614210 AMAQI
10th Mar 202613411 AMAQI
10th Mar 20269012 PMAQI
10th Mar 2026841 PMAQI
10th Mar 2026902 PMAQI
10th Mar 20261013 PMAQI
10th Mar 20261104 PMAQI
10th Mar 20261115 PMAQI
10th Mar 20261126 PMAQI
10th Mar 2026987 PMAQI
10th Mar 20261018 PMAQI
10th Mar 20261649 PMAQI
10th Mar 202616410 PMAQI
10th Mar 202616211 PMAQI
11th Mar 202616212 AMAQI
11th Mar 20261601 AMAQI
11th Mar 20261622 AMAQI
11th Mar 20261583 AMAQI
11th Mar 20261584 AMAQI
11th Mar 20261465 AMAQI

7°C4/11°C

11th Mar 20261156 AMAQI
11th Mar 20261067 AMAQI
11th Mar 2026908 AMAQI
11th Mar 2026769 AMAQI
11th Mar 20266810 AMAQI
11th Mar 20267611 AMAQI
11th Mar 20268512 PMAQI
11th Mar 2026741 PMAQI
11th Mar 2026582 PMAQI
11th Mar 2026403 PMAQI
11th Mar 2026764 PMAQI
11th Mar 2026795 PMAQI
11th Mar 2026666 PMAQI
11th Mar 2026447 PMAQI
11th Mar 2026348 PMAQI
11th Mar 2026409 PMAQI
11th Mar 202610410 PMAQI
11th Mar 20269411 PMAQI
12th Mar 202615312 AMAQI
12th Mar 20261541 AMAQI
12th Mar 20261542 AMAQI
12th Mar 20261523 AMAQI
12th Mar 20261524 AMAQI
12th Mar 20261545 AMAQI

10°C5/15°C

12th Mar 20261526 AMAQI
12th Mar 20261527 AMAQI
12th Mar 20261518 AMAQI
12th Mar 20261489 AMAQI
12th Mar 202615210 AMAQI
12th Mar 202615611 AMAQI
12th Mar 202615412 PMAQI
12th Mar 20261541 PMAQI
12th Mar 20261482 PMAQI
12th Mar 20261533 PMAQI
12th Mar 20261535 PMAQI
12th Mar 20261526 PMAQI
12th Mar 20261567 PMAQI
12th Mar 20261608 PMAQI
12th Mar 20261549 PMAQI
12th Mar 202615710 PMAQI
12th Mar 202615811 PMAQI
13th Mar 202615212 AMAQI
13th Mar 20261221 AMAQI
13th Mar 20261342 AMAQI
13th Mar 20261263 AMAQI
13th Mar 20261194 AMAQI
13th Mar 20261225 AMAQI

9°C4/14°C

13th Mar 20261246 AMAQI
6 AM
13th Mar 20261417 AMAQI
13th Mar 20261408 AMAQI
13th Mar 20261209 AMAQI
13th Mar 202612610 AMAQI
13th Mar 202613211 AMAQI
13th Mar 202613512 PMAQI
12 PM
13th Mar 20261562 PMAQI
13th Mar 20261563 PMAQI
13th Mar 20261564 PMAQI
13th Mar 20261565 PMAQI
13th Mar 20261546 PMAQI
6 PM
13th Mar 20261617 PMAQI
13th Mar 20261608 PMAQI
13th Mar 20261589 PMAQI
13th Mar 202615610 PMAQI
12 AM
5 AM

8°C5/11°C

Day time
Avg. Highest Time
6 AM - 11 AM

106AQI

6 hours / Day
180 hours / Month
Avg. Lowest Time
1 PM - 6 PM

94AQI

6 hours / Day
180 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 6 AM to 11 AM (Avg. 106), while the lowest AQI was between 1 PM to 6 PM (Avg. 94).
Night time
Avg. Highest Time
12 AM - 4 AM

107AQI

5 hours / Day
150 hours / Month
Avg. Lowest Time
7 PM

93AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 4 AM (Avg. 107), while the lowest AQI was between 7 PM to 7 PM (Avg. 93).

2026 Days Vs Air Quality

Haidian Sijiqing, Beijing, Beijing, China

2026

25%

18

40%

29

29%

21

6%

4

Total number of days with different AQI categories in last 73 days in 2026 (292 days remaining)

Good
18 Days
Moderate
29 Days
Poor
21 Days
Unhealthy
4 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 25%

Health Risk Level:

Very high

In 2026, 25% of 73 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

Haidian Sijiqing, Beijing, Beijing, China

AQI levels in 2026

AQI (US)
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 2026
-1th undefined 2026
-1th undefined 2026
-1th undefined 2026
1st January 2026
45AQI (US)
2nd January 2026
55AQI (US)
3rd January 2026
79AQI (US)
4th January 2026
94AQI (US)
5th January 2026
66AQI (US)
6th January 2026
55AQI (US)
7th January 2026
30AQI (US)
8th January 2026
81AQI (US)
9th January 2026
116AQI (US)
10th January 2026
29AQI (US)
11th January 2026
37AQI (US)
12th January 2026
64AQI (US)
13th January 2026
44AQI (US)
14th January 2026
97AQI (US)
15th January 2026
151AQI (US)
16th January 2026
95AQI (US)
17th January 2026
31AQI (US)
18th January 2026
67AQI (US)
19th January 2026
24AQI (US)
20th January 2026
26AQI (US)
21st January 2026
32AQI (US)
22nd January 2026
57AQI (US)
23rd January 2026
66AQI (US)
24th January 2026
56AQI (US)
25th January 2026
66AQI (US)
26th January 2026
78AQI (US)
27th January 2026
41AQI (US)
28th January 2026
102AQI (US)
29th January 2026
124AQI (US)
30th January 2026
156AQI (US)
31st January 2026
138AQI (US)
1st February 2026
87AQI (US)
2nd February 2026
34AQI (US)
3rd February 2026
83AQI (US)
4th February 2026
129AQI (US)
5th February 2026
49AQI (US)
6th February 2026
16AQI (US)
7th February 2026
43AQI (US)
8th February 2026
59AQI (US)
9th February 2026
84AQI (US)
10th February 2026
99AQI (US)
11th February 2026
82AQI (US)
12th February 2026
107AQI (US)
13th February 2026
120AQI (US)
14th February 2026
108AQI (US)
15th February 2026
35AQI (US)
16th February 2026
26AQI (US)
17th February 2026
69AQI (US)
18th February 2026
35AQI (US)
19th February 2026
96AQI (US)
20th February 2026
131AQI (US)
21st February 2026
125AQI (US)
22nd February 2026
57AQI (US)
23rd February 2026
34AQI (US)
24th February 2026
75AQI (US)
25th February 2026
110AQI (US)
26th February 2026
125AQI (US)
27th February 2026
90AQI (US)
28th February 2026
117AQI (US)
1st March 2026
149AQI (US)
2nd March 2026
162AQI (US)
3rd March 2026
142AQI (US)
4th March 2026
124AQI (US)
5th March 2026
134AQI (US)
6th March 2026
55AQI (US)
7th March 2026
118AQI (US)
8th March 2026
135AQI (US)
9th March 2026
69AQI (US)
10th March 2026
122AQI (US)
11th March 2026
95AQI (US)
12th March 2026
153AQI (US)
13th March 2026
141AQI (US)
14th March 2026
15th March 2026
16th March 2026
17th March 2026
18th March 2026
19th March 2026
20th March 2026
21st March 2026
22nd March 2026
23rd March 2026
24th March 2026
25th March 2026
26th March 2026
27th March 2026
28th March 2026
29th March 2026
30th March 2026
31st March 2026
1st April 2026
2nd April 2026
3rd April 2026
4th April 2026
5th April 2026
6th April 2026
7th April 2026
8th April 2026
9th April 2026
10th April 2026
11th April 2026
12th April 2026
13th April 2026
14th April 2026
15th April 2026
16th April 2026
17th April 2026
18th April 2026
19th April 2026
20th April 2026
21st April 2026
22nd April 2026
23rd April 2026
24th April 2026
25th April 2026
26th April 2026
27th April 2026
28th April 2026
29th April 2026
30th April 2026
1st May 2026
2nd May 2026
3rd May 2026
4th May 2026
5th May 2026
6th May 2026
7th May 2026
8th May 2026
9th May 2026
10th May 2026
11th May 2026
12th May 2026
13th May 2026
14th May 2026
15th May 2026
16th May 2026
17th May 2026
18th May 2026
19th May 2026
20th May 2026
21st May 2026
22nd May 2026
23rd May 2026
24th May 2026
25th May 2026
26th May 2026
27th May 2026
28th May 2026
29th May 2026
30th May 2026
31st May 2026
1st June 2026
2nd June 2026
3rd June 2026
4th June 2026
5th June 2026
6th June 2026
7th June 2026
8th June 2026
9th June 2026
10th June 2026
11th June 2026
12th June 2026
13th June 2026
14th June 2026
15th June 2026
16th June 2026
17th June 2026
18th June 2026
19th June 2026
20th June 2026
21st June 2026
22nd June 2026
23rd June 2026
24th June 2026
25th June 2026
26th June 2026
27th June 2026
28th June 2026
29th June 2026
30th June 2026
1st July 2026
2nd July 2026
3rd July 2026
4th July 2026
5th July 2026
6th July 2026
7th July 2026
8th July 2026
9th July 2026
10th July 2026
11th July 2026
12th July 2026
13th July 2026
14th July 2026
15th July 2026
16th July 2026
17th July 2026
18th July 2026
19th July 2026
20th July 2026
21st July 2026
22nd July 2026
23rd July 2026
24th July 2026
25th July 2026
26th July 2026
27th July 2026
28th July 2026
29th July 2026
30th July 2026
31st July 2026
1st August 2026
2nd August 2026
3rd August 2026
4th August 2026
5th August 2026
6th August 2026
7th August 2026
8th August 2026
9th August 2026
10th August 2026
11th August 2026
12th August 2026
13th August 2026
14th August 2026
15th August 2026
16th August 2026
17th August 2026
18th August 2026
19th August 2026
20th August 2026
21st August 2026
22nd August 2026
23rd August 2026
24th August 2026
25th August 2026
26th August 2026
27th August 2026
28th August 2026
29th August 2026
30th August 2026
31st August 2026
1st September 2026
2nd September 2026
3rd September 2026
4th September 2026
5th September 2026
6th September 2026
7th September 2026
8th September 2026
9th September 2026
10th September 2026
11th September 2026
12th September 2026
13th September 2026
14th September 2026
15th September 2026
16th September 2026
17th September 2026
18th September 2026
19th September 2026
20th September 2026
21st September 2026
22nd September 2026
23rd September 2026
24th September 2026
25th September 2026
26th September 2026
27th September 2026
28th September 2026
29th September 2026
30th September 2026
1st October 2026
2nd October 2026
3rd October 2026
4th October 2026
5th October 2026
6th October 2026
7th October 2026
8th October 2026
9th October 2026
10th October 2026
11th October 2026
12th October 2026
13th October 2026
14th October 2026
15th October 2026
16th October 2026
17th October 2026
18th October 2026
19th October 2026
20th October 2026
21st October 2026
22nd October 2026
23rd October 2026
24th October 2026
25th October 2026
26th October 2026
27th October 2026
28th October 2026
29th October 2026
30th October 2026
31st October 2026
1st November 2026
2nd November 2026
3rd November 2026
4th November 2026
5th November 2026
6th November 2026
7th November 2026
8th November 2026
9th November 2026
10th November 2026
11th November 2026
12th November 2026
13th November 2026
14th November 2026
15th November 2026
16th November 2026
17th November 2026
18th November 2026
19th November 2026
20th November 2026
21st November 2026
22nd November 2026
23rd November 2026
24th November 2026
25th November 2026
26th November 2026
27th November 2026
28th November 2026
29th November 2026
30th November 2026
1st December 2026
2nd December 2026
3rd December 2026
4th December 2026
5th December 2026
6th December 2026
7th December 2026
8th December 2026
9th December 2026
10th December 2026
11th December 2026
12th December 2026
13th December 2026
14th December 2026
15th December 2026
16th December 2026
17th December 2026
18th December 2026
19th December 2026
20th December 2026
21st December 2026
22nd December 2026
23rd December 2026
24th December 2026
25th December 2026
26th December 2026
27th December 2026
28th December 2026
29th December 2026
30th December 2026
31st December 2026

71AQI (US)

79AQI (US)

123AQI (US)

No. of days

Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days

202684AQI (US)

10
15
4
2
8
11
9
3
8
2
18
29
21
4

Highest AQI (US) recorded in

March

123AQI (US)

Lowest AQI (US) recorded in

January

71AQI (US)

202577AQI (US)

6
16
8
1
11
13
4
4
15
7
4
1
1
24
5
1
22
8
1
28
1
31
31
3
27
6
16
6
2
1
8
10
9
3
11
11
8
1
52
244
56
10
3

Highest AQI (US) recorded in

March

95AQI (US)

Lowest AQI (US) recorded in

August

61AQI (US)

202481AQI (US)

8
8
11
4
7
7
11
4
3
13
10
5
4
8
16
2
2
18
9
1
30
31
11
19
1
12
14
4
9
10
11
1
5
11
13
1
11
19
1
72
188
87
18

Highest AQI (US) recorded in

March

106AQI (US)

Lowest AQI (US) recorded in

September

58AQI (US)

202386AQI (US)

7
15
7
2
7
7
5
9
2
12
6
7
4
7
11
6
4
1
1
5
18
7
1
8
17
5
9
20
2
9
19
3
10
13
7
14
9
4
4
12
8
6
3
6
12
8
5
96
161
66
35
5
1

Highest AQI (US) recorded in

March

122AQI (US)

Lowest AQI (US) recorded in

July

66AQI (US)

202280AQI (US)

6
9
6
6
10
10
4
1
6
9
5
5
11
19
1
7
20
3
9
15
1
6
12
9
1
12
7
4
8
9
8
6
7
16
13
1
1
89
122
45
25
2

Highest AQI (US) recorded in

March

103AQI (US)

Lowest AQI (US) recorded in

August

30AQI (US)

Most & Least Polluted Years Over the Last 5 Years

Most Polluted Year Recorded
2023(Avg.)
86AQI (US)
Least Polluted Year Recorded
2025(Avg.)
77AQI (US)

Haidian Sijiqing's annual 2026 AQI (US) (84) shows an average percentage change of 3.6% (worsened AQI (US)) compared to previous years: 2022 (80), 2023 (86), 2024 (81), 2025 (77).