Environmental Building, Mudanjiang, Heilongjiang, 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
Environmental Building, Mudanjiang, Heilongjiang, China
2024
2025
2026
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
24th Aug 2024
68AQILowest AQI recorded on
10th Aug 2026
30AQISame Day Analysis (11th August):
On this day, AQI across the 3 years varied significantly: 2026 ranks 2nd highest AQI at 45 of Good air quality, showing improvement over 2025 on the same day.
Day & Night AQI Trend: 10th Aug - 11th Aug 2026
Environmental Building, Mudanjiang, Heilongjiang, China
AQI
Day
Night
.
4 AM10th Aug 2026
6 PM
3 AM11th Aug 2026
Day time
Avg. Highest Time
4AM10th Aug
38AQI
Avg. Lowest Time
3PM10th Aug
21AQI
Night time
Avg. Highest Time
12AM11th Aug
51AQI
Avg. Lowest Time
7PM10th Aug
21AQI
In the last 24 hours,
Environmental Building's AQI reached its highest point of 51 at 12 AM during the Night, while the lowest point, 21, was recorded at 7 PM during the Night between 10th Aug and 11th Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Environmental Building, Mudanjiang, Heilongjiang, China
JulAug
13th - 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 - 10th10th - 11th11th
Day
Night
13th Jul 2026244 AMAQI
13th Jul 2026285 AMAQI
13th Jul 2026306 AMAQI
13th Jul 2026287 AMAQI
13th Jul 2026288 AMAQI
13th Jul 2026309 AMAQI
13th Jul 20262610 AMAQI
13th Jul 20262611 AMAQI
13th Jul 20262412 PMAQI
13th Jul 2026221 PMAQI
13th Jul 2026212 PMAQI
13th Jul 2026263 PMAQI
13th Jul 2026264 PMAQI
13th Jul 2026305 PMAQI
13th Jul 2026306 PMAQI
13th Jul 2026297 PMAQI
13th Jul 2026308 PMAQI
13th Jul 2026329 PMAQI
13th Jul 20262810 PMAQI
13th Jul 20263011 PMAQI
14th Jul 20263312 AMAQI
14th Jul 2026291 AMAQI
14th Jul 2026242 AMAQI
14th Jul 2026283 AMAQI
23°C20/27°C
14th Jul 2026294 AMAQI
14th Jul 2026275 AMAQI
14th Jul 2026206 AMAQI
14th Jul 2026207 AMAQI
14th Jul 2026208 AMAQI
14th Jul 2026209 AMAQI
14th Jul 20262210 AMAQI
14th Jul 20262411 AMAQI
14th Jul 20262212 PMAQI
14th Jul 2026201 PMAQI
14th Jul 2026192 PMAQI
14th Jul 2026123 PMAQI
14th Jul 2026264 PMAQI
14th Jul 2026265 PMAQI
14th Jul 2026286 PMAQI
14th Jul 2026297 PMAQI
14th Jul 2026298 PMAQI
14th Jul 2026309 PMAQI
14th Jul 20263210 PMAQI
14th Jul 20263111 PMAQI
15th Jul 20263212 AMAQI
15th Jul 2026301 AMAQI
15th Jul 2026282 AMAQI
15th Jul 2026263 AMAQI
21°C19/24°C
15th Jul 2026284 AMAQI
15th Jul 2026265 AMAQI
15th Jul 2026286 AMAQI
15th Jul 2026307 AMAQI
15th Jul 2026288 AMAQI
15th Jul 2026299 AMAQI
15th Jul 20262410 AMAQI
15th Jul 20262311 AMAQI
15th Jul 20262012 PMAQI
15th Jul 2026201 PMAQI
15th Jul 2026202 PMAQI
15th Jul 2026203 PMAQI
15th Jul 2026124 PMAQI
15th Jul 2026215 PMAQI
15th Jul 2026246 PMAQI
15th Jul 2026247 PMAQI
15th Jul 2026268 PMAQI
15th Jul 2026279 PMAQI
15th Jul 20262610 PMAQI
15th Jul 20262611 PMAQI
16th Jul 20262412 AMAQI
16th Jul 2026281 AMAQI
16th Jul 2026182 AMAQI
16th Jul 2026233 AMAQI
23°C18/30°C
16th Jul 2026284 AMAQI
16th Jul 2026285 AMAQI
16th Jul 2026266 AMAQI
16th Jul 2026287 AMAQI
16th Jul 2026308 AMAQI
16th Jul 2026289 AMAQI
16th Jul 20262710 AMAQI
16th Jul 20262811 AMAQI
16th Jul 20262412 PMAQI
16th Jul 2026251 PMAQI
16th Jul 2026222 PMAQI
16th Jul 2026243 PMAQI
16th Jul 2026244 PMAQI
16th Jul 2026285 PMAQI
16th Jul 2026286 PMAQI
16th Jul 2026277 PMAQI
16th Jul 2026298 PMAQI
16th Jul 2026289 PMAQI
16th Jul 20263010 PMAQI
16th Jul 20262711 PMAQI
17th Jul 20262712 AMAQI
17th Jul 2026291 AMAQI
17th Jul 2026292 AMAQI
17th Jul 2026293 AMAQI
19°C15/24°C
17th Jul 2026304 AMAQI
17th Jul 2026275 AMAQI
17th Jul 2026296 AMAQI
17th Jul 2026227 AMAQI
17th Jul 2026268 AMAQI
17th Jul 2026289 AMAQI
17th Jul 20262610 AMAQI
17th Jul 20263011 AMAQI
17th Jul 20262612 PMAQI
17th Jul 2026271 PMAQI
17th Jul 2026262 PMAQI
17th Jul 2026483 PMAQI
17th Jul 2026464 PMAQI
17th Jul 2026525 PMAQI
17th Jul 2026446 PMAQI
17th Jul 2026407 PMAQI
17th Jul 2026388 PMAQI
17th Jul 2026479 PMAQI
17th Jul 20265510 PMAQI
17th Jul 20266611 PMAQI
18th Jul 20267412 AMAQI
18th Jul 2026731 AMAQI
18th Jul 2026782 AMAQI
18th Jul 2026623 AMAQI
21°C13/29°C
18th Jul 2026674 AMAQI
18th Jul 2026815 AMAQI
18th Jul 2026756 AMAQI
18th Jul 2026557 AMAQI
18th Jul 2026718 AMAQI
18th Jul 2026749 AMAQI
18th Jul 20266510 AMAQI
18th Jul 20267111 AMAQI
18th Jul 20267012 PMAQI
18th Jul 2026601 PMAQI
18th Jul 2026532 PMAQI
18th Jul 2026523 PMAQI
18th Jul 2026534 PMAQI
18th Jul 2026565 PMAQI
18th Jul 2026536 PMAQI
18th Jul 2026587 PMAQI
18th Jul 2026688 PMAQI
18th Jul 2026669 PMAQI
18th Jul 20267510 PMAQI
18th Jul 20265411 PMAQI
19th Jul 20264412 AMAQI
19th Jul 2026491 AMAQI
19th Jul 2026592 AMAQI
19th Jul 2026583 AMAQI
22°C15/28°C
19th Jul 2026404 AMAQI
19th Jul 2026385 AMAQI
19th Jul 2026286 AMAQI
19th Jul 2026297 AMAQI
19th Jul 2026538 AMAQI
19th Jul 2026499 AMAQI
19th Jul 20264910 AMAQI
19th Jul 20264711 AMAQI
19th Jul 20264012 PMAQI
19th Jul 2026321 PMAQI
19th Jul 2026362 PMAQI
19th Jul 2026383 PMAQI
19th Jul 2026384 PMAQI
19th Jul 2026245 PMAQI
19th Jul 2026266 PMAQI
19th Jul 2026337 PMAQI
19th Jul 2026298 PMAQI
19th Jul 2026349 PMAQI
19th Jul 20263010 PMAQI
19th Jul 20263311 PMAQI
20th Jul 20263312 AMAQI
20th Jul 2026291 AMAQI
20th Jul 2026292 AMAQI
20th Jul 2026313 AMAQI
22°C16/27°C
20th Jul 2026294 AMAQI
20th Jul 2026255 AMAQI
20th Jul 2026296 AMAQI
20th Jul 2026237 AMAQI
20th Jul 2026568 AMAQI
20th Jul 2026339 AMAQI
20th Jul 20264710 AMAQI
20th Jul 20262611 AMAQI
20th Jul 20262812 PMAQI
20th Jul 2026291 PMAQI
20th Jul 2026362 PMAQI
20th Jul 2026303 PMAQI
20th Jul 2026214 PMAQI
20th Jul 2026255 PMAQI
20th Jul 2026296 PMAQI
20th Jul 2026277 PMAQI
20th Jul 2026298 PMAQI
20th Jul 2026319 PMAQI
20th Jul 20263610 PMAQI
20th Jul 20264811 PMAQI
21st Jul 20264412 AMAQI
21st Jul 2026541 AMAQI
21st Jul 2026672 AMAQI
21st Jul 2026333 AMAQI
22°C18/27°C
21st Jul 2026304 AMAQI
21st Jul 2026475 AMAQI
21st Jul 2026586 AMAQI
21st Jul 2026527 AMAQI
21st Jul 2026488 AMAQI
21st Jul 2026469 AMAQI
21st Jul 20263810 AMAQI
21st Jul 20265712 PMAQI
21st Jul 2026511 PMAQI
21st Jul 2026232 PMAQI
21st Jul 2026233 PMAQI
21st Jul 2026324 PMAQI
21st Jul 2026385 PMAQI
21st Jul 2026826 PMAQI
21st Jul 2026337 PMAQI
21st Jul 2026308 PMAQI
21st Jul 2026289 PMAQI
21st Jul 20262810 PMAQI
21st Jul 20263011 PMAQI
22nd Jul 20263412 AMAQI
22nd Jul 2026381 AMAQI
22nd Jul 2026362 AMAQI
22nd Jul 2026293 AMAQI
23°C17/29°C
22nd Jul 2026244 AMAQI
22nd Jul 2026315 AMAQI
22nd Jul 2026216 AMAQI
22nd Jul 2026367 AMAQI
22nd Jul 2026368 AMAQI
22nd Jul 2026259 AMAQI
22nd Jul 20262110 AMAQI
22nd Jul 20265211 AMAQI
22nd Jul 20264412 PMAQI
22nd Jul 2026571 PMAQI
22nd Jul 2026672 PMAQI
22nd Jul 2026543 PMAQI
22nd Jul 2026484 PMAQI
22nd Jul 2026525 PMAQI
22nd Jul 2026576 PMAQI
22nd Jul 2026607 PMAQI
22nd Jul 2026468 PMAQI
22nd Jul 2026579 PMAQI
22nd Jul 20266310 PMAQI
22nd Jul 20265811 PMAQI
23rd Jul 20267212 AMAQI
23rd Jul 2026551 AMAQI
23rd Jul 2026622 AMAQI
23rd Jul 2026673 AMAQI
23°C17/29°C
23rd Jul 2026664 AMAQI
23rd Jul 2026625 AMAQI
23rd Jul 2026606 AMAQI
23rd Jul 2026727 AMAQI
23rd Jul 2026648 AMAQI
23rd Jul 2026719 AMAQI
23rd Jul 20267210 AMAQI
23rd Jul 20267211 AMAQI
23rd Jul 20266812 PMAQI
23rd Jul 2026701 PMAQI
23rd Jul 2026712 PMAQI
23rd Jul 2026483 PMAQI
23rd Jul 2026324 PMAQI
23rd Jul 2026385 PMAQI
23rd Jul 2026506 PMAQI
23rd Jul 2026367 PMAQI
23rd Jul 2026428 PMAQI
23rd Jul 2026409 PMAQI
23rd Jul 20263310 PMAQI
23rd Jul 20264211 PMAQI
24th Jul 20262712 AMAQI
24th Jul 2026251 AMAQI
24th Jul 2026252 AMAQI
24th Jul 2026293 AMAQI
23°C18/29°C
24th Jul 2026384 AMAQI
24th Jul 2026295 AMAQI
24th Jul 2026236 AMAQI
24th Jul 2026237 AMAQI
24th Jul 2026238 AMAQI
24th Jul 2026429 AMAQI
24th Jul 20263810 AMAQI
24th Jul 20262111 AMAQI
24th Jul 20263312 PMAQI
24th Jul 2026251 PMAQI
24th Jul 2026272 PMAQI
24th Jul 2026233 PMAQI
24th Jul 2026234 PMAQI
24th Jul 2026405 PMAQI
24th Jul 2026256 PMAQI
24th Jul 2026297 PMAQI
24th Jul 2026428 PMAQI
24th Jul 2026279 PMAQI
24th Jul 20262110 PMAQI
24th Jul 20262111 PMAQI
25th Jul 20262612 AMAQI
25th Jul 2026211 AMAQI
25th Jul 2026342 AMAQI
25th Jul 2026253 AMAQI
22°C17/28°C
25th Jul 2026254 AMAQI
25th Jul 2026295 AMAQI
25th Jul 2026256 AMAQI
25th Jul 2026337 AMAQI
25th Jul 2026258 AMAQI
25th Jul 2026259 AMAQI
25th Jul 20263110 AMAQI
25th Jul 20263811 AMAQI
25th Jul 20263812 PMAQI
25th Jul 2026301 PMAQI
25th Jul 2026362 PMAQI
25th Jul 2026313 PMAQI
25th Jul 2026324 PMAQI
25th Jul 2026275 PMAQI
25th Jul 2026476 PMAQI
25th Jul 2026327 PMAQI
25th Jul 2026298 PMAQI
25th Jul 2026369 PMAQI
25th Jul 20265510 PMAQI
25th Jul 20265311 PMAQI
26th Jul 20265012 AMAQI
26th Jul 2026271 AMAQI
26th Jul 2026212 AMAQI
26th Jul 2026213 AMAQI
22°C18/28°C
26th Jul 2026254 AMAQI
26th Jul 2026235 AMAQI
26th Jul 2026236 AMAQI
26th Jul 2026467 AMAQI
26th Jul 2026388 AMAQI
26th Jul 2026219 AMAQI
26th Jul 20264610 AMAQI
26th Jul 20263811 AMAQI
26th Jul 20262912 PMAQI
26th Jul 2026401 PMAQI
26th Jul 2026272 PMAQI
26th Jul 2026213 PMAQI
26th Jul 2026214 PMAQI
26th Jul 2026255 PMAQI
26th Jul 2026256 PMAQI
26th Jul 2026297 PMAQI
26th Jul 2026348 PMAQI
26th Jul 2026389 PMAQI
26th Jul 20263810 PMAQI
26th Jul 20263611 PMAQI
27th Jul 20263412 AMAQI
27th Jul 2026211 AMAQI
27th Jul 2026422 AMAQI
27th Jul 2026293 AMAQI
21°C17/25°C
27th Jul 2026334 AMAQI
27th Jul 2026255 AMAQI
27th Jul 2026256 AMAQI
27th Jul 2026257 AMAQI
27th Jul 2026258 AMAQI
27th Jul 2026239 AMAQI
27th Jul 20262510 AMAQI
27th Jul 20262311 AMAQI
27th Jul 20262712 PMAQI
27th Jul 2026251 PMAQI
27th Jul 2026272 PMAQI
27th Jul 2026273 PMAQI
27th Jul 2026274 PMAQI
27th Jul 2026335 PMAQI
27th Jul 2026366 PMAQI
27th Jul 2026387 PMAQI
27th Jul 2026218 PMAQI
27th Jul 2026409 PMAQI
27th Jul 20264210 PMAQI
27th Jul 20264411 PMAQI
28th Jul 20264212 AMAQI
28th Jul 2026401 AMAQI
28th Jul 2026552 AMAQI
28th Jul 2026513 AMAQI
20°C18/24°C
28th Jul 2026424 AMAQI
28th Jul 2026535 AMAQI
28th Jul 2026466 AMAQI
28th Jul 2026507 AMAQI
28th Jul 2026468 AMAQI
28th Jul 2026499 AMAQI
28th Jul 20263810 AMAQI
28th Jul 20265411 AMAQI
28th Jul 20262112 PMAQI
28th Jul 2026291 PMAQI
28th Jul 2026292 PMAQI
28th Jul 2026253 PMAQI
28th Jul 2026254 PMAQI
28th Jul 2026255 PMAQI
28th Jul 2026346 PMAQI
28th Jul 2026367 PMAQI
28th Jul 2026408 PMAQI
28th Jul 2026679 PMAQI
28th Jul 20266010 PMAQI
28th Jul 20267111 PMAQI
29th Jul 20267412 AMAQI
29th Jul 2026661 AMAQI
29th Jul 2026642 AMAQI
29th Jul 2026643 AMAQI
22°C19/26°C
29th Jul 2026664 AMAQI
29th Jul 2026565 AMAQI
29th Jul 2026386 AMAQI
29th Jul 2026407 AMAQI
29th Jul 2026448 AMAQI
29th Jul 2026389 AMAQI
29th Jul 20262910 AMAQI
29th Jul 20262511 AMAQI
29th Jul 20262712 PMAQI
29th Jul 2026441 PMAQI
29th Jul 2026492 PMAQI
29th Jul 2026643 PMAQI
29th Jul 2026654 PMAQI
29th Jul 2026655 PMAQI
29th Jul 2026686 PMAQI
29th Jul 2026687 PMAQI
29th Jul 2026678 PMAQI
29th Jul 2026679 PMAQI
29th Jul 20267410 PMAQI
29th Jul 20267111 PMAQI
30th Jul 20267812 AMAQI
30th Jul 2026761 AMAQI
30th Jul 2026752 AMAQI
30th Jul 2026753 AMAQI
25°C21/30°C
30th Jul 2026644 AMAQI
30th Jul 2026625 AMAQI
30th Jul 2026586 AMAQI
30th Jul 2026707 AMAQI
30th Jul 2026668 AMAQI
30th Jul 2026679 AMAQI
30th Jul 20267210 AMAQI
30th Jul 20266211 AMAQI
30th Jul 20266612 PMAQI
30th Jul 2026561 PMAQI
30th Jul 2026272 PMAQI
30th Jul 2026213 PMAQI
30th Jul 2026234 PMAQI
30th Jul 2026255 PMAQI
30th Jul 2026256 PMAQI
30th Jul 2026257 PMAQI
30th Jul 2026368 PMAQI
30th Jul 2026339 PMAQI
30th Jul 20263310 PMAQI
30th Jul 20263311 PMAQI
31st Jul 20262712 AMAQI
31st Jul 2026251 AMAQI
31st Jul 2026332 AMAQI
31st Jul 2026313 AMAQI
25°C20/30°C
31st Jul 2026274 AMAQI
31st Jul 2026275 AMAQI
31st Jul 2026366 AMAQI
31st Jul 2026427 AMAQI
31st Jul 2026408 AMAQI
31st Jul 2026299 AMAQI
31st Jul 20265010 AMAQI
31st Jul 20266011 AMAQI
31st Jul 20265712 PMAQI
31st Jul 2026631 PMAQI
31st Jul 2026692 PMAQI
31st Jul 2026573 PMAQI
31st Jul 2026644 PMAQI
31st Jul 2026735 PMAQI
31st Jul 2026706 PMAQI
31st Jul 2026717 PMAQI
31st Jul 2026698 PMAQI
31st Jul 2026739 PMAQI
31st Jul 20266210 PMAQI
31st Jul 20263611 PMAQI
1st Aug 20263112 AMAQI
1st Aug 2026441 AMAQI
1st Aug 2026402 AMAQI
1st Aug 2026423 AMAQI
24°C21/29°C
1st Aug 2026344 AMAQI
1st Aug 2026335 AMAQI
1st Aug 2026486 AMAQI
1st Aug 2026477 AMAQI
1st Aug 2026498 AMAQI
1st Aug 2026349 AMAQI
1st Aug 20264210 AMAQI
1st Aug 20265311 AMAQI
1st Aug 20265012 PMAQI
1st Aug 2026521 PMAQI
1st Aug 2026492 PMAQI
1st Aug 2026483 PMAQI
1st Aug 2026584 PMAQI
1st Aug 2026605 PMAQI
1st Aug 2026426 PMAQI
1st Aug 2026257 PMAQI
1st Aug 2026298 PMAQI
1st Aug 2026309 PMAQI
1st Aug 20262710 PMAQI
1st Aug 20262111 PMAQI
2nd Aug 20263612 AMAQI
2nd Aug 2026551 AMAQI
2nd Aug 2026542 AMAQI
2nd Aug 2026443 AMAQI
23°C21/25°C
2nd Aug 2026464 AMAQI
2nd Aug 2026405 AMAQI
2nd Aug 2026336 AMAQI
2nd Aug 2026317 AMAQI
2nd Aug 2026288 AMAQI
2nd Aug 2026329 AMAQI
2nd Aug 20264210 AMAQI
2nd Aug 20262711 AMAQI
2nd Aug 20262612 PMAQI
2nd Aug 2026211 PMAQI
2nd Aug 2026382 PMAQI
2nd Aug 2026543 PMAQI
2nd Aug 2026534 PMAQI
2nd Aug 2026325 PMAQI
2nd Aug 2026236 PMAQI
2nd Aug 2026237 PMAQI
2nd Aug 2026238 PMAQI
2nd Aug 2026289 PMAQI
2nd Aug 20263110 PMAQI
2nd Aug 20264211 PMAQI
3rd Aug 20264812 AMAQI
3rd Aug 2026561 AMAQI
3rd Aug 2026422 AMAQI
3rd Aug 2026293 AMAQI
21°C20/23°C
3rd Aug 2026314 AMAQI
3rd Aug 2026405 AMAQI
3rd Aug 2026386 AMAQI
3rd Aug 2026297 AMAQI
3rd Aug 2026298 AMAQI
3rd Aug 2026299 AMAQI
3rd Aug 20263610 AMAQI
3rd Aug 20262711 AMAQI
3rd Aug 20262912 PMAQI
3rd Aug 2026311 PMAQI
3rd Aug 2026232 PMAQI
3rd Aug 2026313 PMAQI
3rd Aug 2026274 PMAQI
3rd Aug 2026255 PMAQI
3rd Aug 2026236 PMAQI
3rd Aug 2026257 PMAQI
3rd Aug 2026278 PMAQI
3rd Aug 2026329 PMAQI
3rd Aug 20263610 PMAQI
3rd Aug 20264211 PMAQI
4th Aug 20264612 AMAQI
4th Aug 2026331 AMAQI
4th Aug 2026442 AMAQI
4th Aug 2026563 AMAQI
24°C19/29°C
4th Aug 2026424 AMAQI
4th Aug 2026255 AMAQI
4th Aug 2026316 AMAQI
4th Aug 2026387 AMAQI
4th Aug 2026368 AMAQI
4th Aug 2026409 AMAQI
4th Aug 20264210 AMAQI
4th Aug 20262111 AMAQI
4th Aug 20264612 PMAQI
4th Aug 2026461 PMAQI
4th Aug 2026362 PMAQI
4th Aug 2026233 PMAQI
4th Aug 2026384 PMAQI
4th Aug 2026535 PMAQI
4th Aug 2026606 PMAQI
4th Aug 2026577 PMAQI
4th Aug 2026568 PMAQI
4th Aug 2026559 PMAQI
4th Aug 20265010 PMAQI
4th Aug 20264611 PMAQI
5th Aug 20264912 AMAQI
5th Aug 2026571 AMAQI
5th Aug 2026602 AMAQI
5th Aug 2026553 AMAQI
26°C20/32°C
5th Aug 2026574 AMAQI
5th Aug 2026525 AMAQI
5th Aug 2026536 AMAQI
5th Aug 2026497 AMAQI
5th Aug 2026488 AMAQI
5th Aug 2026519 AMAQI
5th Aug 20265310 AMAQI
5th Aug 20265611 AMAQI
5th Aug 20265312 PMAQI
5th Aug 2026641 PMAQI
5th Aug 2026602 PMAQI
5th Aug 2026583 PMAQI
5th Aug 2026444 PMAQI
5th Aug 2026285 PMAQI
5th Aug 2026446 PMAQI
5th Aug 2026647 PMAQI
5th Aug 2026478 PMAQI
5th Aug 2026519 PMAQI
5th Aug 20265210 PMAQI
5th Aug 20265111 PMAQI
6th Aug 20266212 AMAQI
6th Aug 2026601 AMAQI
6th Aug 2026622 AMAQI
6th Aug 2026603 AMAQI
26°C21/31°C
6th Aug 2026554 AMAQI
6th Aug 2026515 AMAQI
6th Aug 2026446 AMAQI
6th Aug 2026487 AMAQI
6th Aug 2026538 AMAQI
6th Aug 2026429 AMAQI
6th Aug 20264010 AMAQI
6th Aug 20263111 AMAQI
6th Aug 20262112 PMAQI
6th Aug 2026211 PMAQI
6th Aug 2026272 PMAQI
6th Aug 2026233 PMAQI
6th Aug 2026254 PMAQI
6th Aug 2026255 PMAQI
6th Aug 2026216 PMAQI
6th Aug 2026307 PMAQI
6th Aug 2026428 PMAQI
6th Aug 2026329 PMAQI
6th Aug 20263210 PMAQI
6th Aug 20264611 PMAQI
7th Aug 20264812 AMAQI
7th Aug 2026361 AMAQI
7th Aug 2026332 AMAQI
7th Aug 2026333 AMAQI
26°C21/31°C
7th Aug 2026314 AMAQI
7th Aug 2026215 AMAQI
7th Aug 2026236 AMAQI
7th Aug 2026387 AMAQI
7th Aug 2026338 AMAQI
7th Aug 2026339 AMAQI
7th Aug 20263310 AMAQI
7th Aug 20263311 AMAQI
7th Aug 20264812 PMAQI
7th Aug 2026421 PMAQI
7th Aug 2026382 PMAQI
7th Aug 2026253 PMAQI
7th Aug 2026254 PMAQI
7th Aug 2026295 PMAQI
7th Aug 2026246 PMAQI
7th Aug 2026407 PMAQI
7th Aug 2026388 PMAQI
7th Aug 2026409 PMAQI
7th Aug 20263810 PMAQI
7th Aug 20264211 PMAQI
8th Aug 20262812 AMAQI
8th Aug 2026251 AMAQI
8th Aug 2026252 AMAQI
8th Aug 2026333 AMAQI
21°C13/25°C
8th Aug 2026364 AMAQI
8th Aug 2026385 AMAQI
8th Aug 2026296 AMAQI
8th Aug 2026367 AMAQI
8th Aug 2026488 AMAQI
8th Aug 2026629 AMAQI
8th Aug 20263310 AMAQI
8th Aug 20263111 AMAQI
8th Aug 20262712 PMAQI
8th Aug 2026291 PMAQI
8th Aug 2026252 PMAQI
8th Aug 2026243 PMAQI
8th Aug 2026254 PMAQI
8th Aug 2026285 PMAQI
8th Aug 2026256 PMAQI
8th Aug 2026427 PMAQI
8th Aug 2026278 PMAQI
8th Aug 2026329 PMAQI
8th Aug 20263110 PMAQI
8th Aug 20263511 PMAQI
9th Aug 20263012 AMAQI
9th Aug 2026281 AMAQI
9th Aug 2026302 AMAQI
9th Aug 2026223 AMAQI
15°C9/21°C
9th Aug 2026274 AMAQI
9th Aug 2026255 AMAQI
9th Aug 2026506 AMAQI
9th Aug 2026257 AMAQI
9th Aug 2026498 AMAQI
9th Aug 2026279 AMAQI
9th Aug 20264210 AMAQI
9th Aug 20262711 AMAQI
9th Aug 20262712 PMAQI
9th Aug 2026251 PMAQI
9th Aug 2026272 PMAQI
9th Aug 2026293 PMAQI
9th Aug 2026214 PMAQI
9th Aug 2026255 PMAQI
9th Aug 2026516 PMAQI
9th Aug 2026527 PMAQI
9th Aug 2026338 PMAQI
9th Aug 2026259 PMAQI
9th Aug 20263110 PMAQI
9th Aug 20263811 PMAQI
10th Aug 20263612 AMAQI
10th Aug 2026401 AMAQI
10th Aug 2026332 AMAQI
10th Aug 2026303 AMAQI
16°C8/24°C
10th Aug 2026384 AMAQI
10th Aug 2026335 AMAQI
10th Aug 2026246 AMAQI
10th Aug 2026297 AMAQI
10th Aug 2026298 AMAQI
10th Aug 2026339 AMAQI
10th Aug 20262910 AMAQI
10th Aug 20262711 AMAQI
10th Aug 20262912 PMAQI
10th Aug 2026291 PMAQI
10th Aug 2026292 PMAQI
10th Aug 2026213 PMAQI
10th Aug 2026274 PMAQI
10th Aug 2026275 PMAQI
10th Aug 2026296 PMAQI
10th Aug 2026217 PMAQI
10th Aug 2026258 PMAQI
10th Aug 2026259 PMAQI
10th Aug 20262910 PMAQI
10th Aug 20264211 PMAQI
11th Aug 20265112 AMAQI
11th Aug 2026481 AMAQI
11th Aug 2026502 AMAQI
11th Aug 2026503 AMAQI
19°C11/27°C
11th Aug 2026494 AMAQI
4 AM11th Aug 2026545 AMAQI
11th Aug 2026516 AMAQI
11th Aug 2026527 AMAQI
11th Aug 2026558 AMAQI
11th Aug 2026669 AMAQI
11th Aug 20266010 AMAQI
11th Aug 20265211 AMAQI
11 AM11th Aug 20264712 PMAQI
11th Aug 2026511 PMAQI
11th Aug 2026342 PMAQI
11th Aug 2026273 PMAQI
11th Aug 2026344 PMAQI
11th Aug 2026295 PMAQI
11th Aug 2026296 PMAQI
6 PM11th Aug 2026297 PMAQI
11th Aug 2026388 PMAQI
11th Aug 2026459 PMAQI
11th Aug 20264210 PMAQI
11th Aug 20264211 PMAQI
11 PM3 AM
22°C16/29°C
Day time
Avg. Highest Time
8 AM
41AQI
1 hours / Day
30 hours / Month
Avg. Lowest Time
3 PM - 5 PM
34AQI
3 hours / Day
90 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 8 AM to 8 AM (Avg. 41), while the lowest AQI was between 3 PM to 5 PM (Avg. 34).
Night time
Avg. Highest Time
2 AM
43AQI
1 hours / Day
30 hours / Month
Avg. Lowest Time
7 PM - 8 PM
38AQI
2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 2 AM to 2 AM (Avg. 43), while the lowest AQI was between 7 PM to 8 PM (Avg. 38).
2026 Days Vs Air Quality
Environmental Building, Mudanjiang, Heilongjiang, China
2026
40%
90
46%
102
10%
23
4%
8
Total number of days with different AQI categories in last 223 days in 2026 (142 days remaining)
Good
90 DaysModerate
102 DaysPoor
23 DaysUnhealthy
8 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 40%
Health Risk Level:
Significant
In 2026, 40% of 223 days were within WHO’s safe air quality limits, and 60% exceeded them. The risk of health issues is Significant, especially for those with existing respiratory or heart conditions.
Annual Air Quality Insights
Environmental Building, Mudanjiang, Heilongjiang, 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
75AQI (US)
75AQI (US)
2nd January 2026
74AQI (US)
74AQI (US)
3rd January 2026
93AQI (US)
93AQI (US)
4th January 2026
94AQI (US)
94AQI (US)
5th January 2026
79AQI (US)
79AQI (US)
6th January 2026
88AQI (US)
88AQI (US)
7th January 2026
102AQI (US)
102AQI (US)
8th January 2026
62AQI (US)
62AQI (US)
9th January 2026
94AQI (US)
94AQI (US)
10th January 2026
107AQI (US)
107AQI (US)
11th January 2026
90AQI (US)
90AQI (US)
12th January 2026
98AQI (US)
98AQI (US)
13th January 2026
118AQI (US)
118AQI (US)
14th January 2026
77AQI (US)
77AQI (US)
15th January 2026
91AQI (US)
91AQI (US)
16th January 2026
86AQI (US)
86AQI (US)
17th January 2026
85AQI (US)
85AQI (US)
18th January 2026
83AQI (US)
83AQI (US)
19th January 2026
95AQI (US)
95AQI (US)
20th January 2026
62AQI (US)
62AQI (US)
21st January 2026
68AQI (US)
68AQI (US)
22nd January 2026
65AQI (US)
65AQI (US)
23rd January 2026
62AQI (US)
62AQI (US)
24th January 2026
69AQI (US)
69AQI (US)
25th January 2026
65AQI (US)
65AQI (US)
26th January 2026
90AQI (US)
90AQI (US)
27th January 2026
89AQI (US)
89AQI (US)
28th January 2026
103AQI (US)
103AQI (US)
29th January 2026
76AQI (US)
76AQI (US)
30th January 2026
61AQI (US)
61AQI (US)
31st January 2026
76AQI (US)
76AQI (US)
1st February 2026
83AQI (US)
83AQI (US)
2nd February 2026
77AQI (US)
77AQI (US)
3rd February 2026
46AQI (US)
46AQI (US)
4th February 2026
102AQI (US)
102AQI (US)
5th February 2026
83AQI (US)
83AQI (US)
6th February 2026
41AQI (US)
41AQI (US)
7th February 2026
52AQI (US)
52AQI (US)
8th February 2026
61AQI (US)
61AQI (US)
9th February 2026
86AQI (US)
86AQI (US)
10th February 2026
130AQI (US)
130AQI (US)
11th February 2026
115AQI (US)
115AQI (US)
12th February 2026
90AQI (US)
90AQI (US)
13th February 2026
134AQI (US)
134AQI (US)
14th February 2026
153AQI (US)
153AQI (US)
15th February 2026
62AQI (US)
62AQI (US)
16th February 2026
61AQI (US)
61AQI (US)
17th February 2026
109AQI (US)
109AQI (US)
18th February 2026
46AQI (US)
46AQI (US)
19th February 2026
86AQI (US)
86AQI (US)
20th February 2026
126AQI (US)
126AQI (US)
21st February 2026
126AQI (US)
126AQI (US)
22nd February 2026
83AQI (US)
83AQI (US)
23rd February 2026
61AQI (US)
61AQI (US)
24th February 2026
60AQI (US)
60AQI (US)
25th February 2026
88AQI (US)
88AQI (US)
26th February 2026
67AQI (US)
67AQI (US)
27th February 2026
63AQI (US)
63AQI (US)
28th February 2026
92AQI (US)
92AQI (US)
1st March 2026
74AQI (US)
74AQI (US)
2nd March 2026
64AQI (US)
64AQI (US)
3rd March 2026
58AQI (US)
58AQI (US)
4th March 2026
97AQI (US)
97AQI (US)
5th March 2026
89AQI (US)
89AQI (US)
6th March 2026
79AQI (US)
79AQI (US)
7th March 2026
65AQI (US)
65AQI (US)
8th March 2026
80AQI (US)
80AQI (US)
9th March 2026
72AQI (US)
72AQI (US)
10th March 2026
77AQI (US)
77AQI (US)
11th March 2026
102AQI (US)
102AQI (US)
12th March 2026
92AQI (US)
92AQI (US)
13th March 2026
111AQI (US)
111AQI (US)
14th March 2026
83AQI (US)
83AQI (US)
15th March 2026
105AQI (US)
105AQI (US)
16th March 2026
93AQI (US)
93AQI (US)
17th March 2026
138AQI (US)
138AQI (US)
18th March 2026
124AQI (US)
124AQI (US)
19th March 2026
103AQI (US)
103AQI (US)
20th March 2026
96AQI (US)
96AQI (US)
21st March 2026
134AQI (US)
134AQI (US)
22nd March 2026
155AQI (US)
155AQI (US)
23rd March 2026
120AQI (US)
120AQI (US)
24th March 2026
122AQI (US)
122AQI (US)
25th March 2026
147AQI (US)
147AQI (US)
26th March 2026
160AQI (US)
160AQI (US)
27th March 2026
158AQI (US)
158AQI (US)
28th March 2026
165AQI (US)
165AQI (US)
29th March 2026
159AQI (US)
159AQI (US)
30th March 2026
54AQI (US)
54AQI (US)
31st March 2026
82AQI (US)
82AQI (US)
1st April 2026
116AQI (US)
116AQI (US)
2nd April 2026
158AQI (US)
158AQI (US)
3rd April 2026
169AQI (US)
169AQI (US)
4th April 2026
109AQI (US)
109AQI (US)
5th April 2026
96AQI (US)
96AQI (US)
6th April 2026
87AQI (US)
87AQI (US)
7th April 2026
68AQI (US)
68AQI (US)
8th April 2026
49AQI (US)
49AQI (US)
9th April 2026
70AQI (US)
70AQI (US)
10th April 2026
86AQI (US)
86AQI (US)
11th April 2026
49AQI (US)
49AQI (US)
12th April 2026
48AQI (US)
48AQI (US)
13th April 2026
39AQI (US)
39AQI (US)
14th April 2026
65AQI (US)
65AQI (US)
15th April 2026
67AQI (US)
67AQI (US)
16th April 2026
72AQI (US)
72AQI (US)
17th April 2026
72AQI (US)
72AQI (US)
18th April 2026
58AQI (US)
58AQI (US)
19th April 2026
73AQI (US)
73AQI (US)
20th April 2026
63AQI (US)
63AQI (US)
21st April 2026
48AQI (US)
48AQI (US)
22nd April 2026
47AQI (US)
47AQI (US)
23rd April 2026
61AQI (US)
61AQI (US)
24th April 2026
61AQI (US)
61AQI (US)
25th April 2026
47AQI (US)
47AQI (US)
26th April 2026
46AQI (US)
46AQI (US)
27th April 2026
37AQI (US)
37AQI (US)
28th April 2026
48AQI (US)
48AQI (US)
29th April 2026
54AQI (US)
54AQI (US)
30th April 2026
54AQI (US)
54AQI (US)
1st May 2026
48AQI (US)
48AQI (US)
2nd May 2026
46AQI (US)
46AQI (US)
3rd May 2026
50AQI (US)
50AQI (US)
4th May 2026
54AQI (US)
54AQI (US)
5th May 2026
54AQI (US)
54AQI (US)
6th May 2026
39AQI (US)
39AQI (US)
7th May 2026
34AQI (US)
34AQI (US)
8th May 2026
55AQI (US)
55AQI (US)
9th May 2026
47AQI (US)
47AQI (US)
10th May 2026
44AQI (US)
44AQI (US)
11th May 2026
51AQI (US)
51AQI (US)
12th May 2026
61AQI (US)
61AQI (US)
13th May 2026
59AQI (US)
59AQI (US)
14th May 2026
46AQI (US)
46AQI (US)
15th May 2026
65AQI (US)
65AQI (US)
16th May 2026
78AQI (US)
78AQI (US)
17th May 2026
66AQI (US)
66AQI (US)
18th May 2026
57AQI (US)
57AQI (US)
19th May 2026
54AQI (US)
54AQI (US)
20th May 2026
64AQI (US)
64AQI (US)
21st May 2026
67AQI (US)
67AQI (US)
22nd May 2026
81AQI (US)
81AQI (US)
23rd May 2026
72AQI (US)
72AQI (US)
24th May 2026
70AQI (US)
70AQI (US)
25th May 2026
65AQI (US)
65AQI (US)
26th May 2026
48AQI (US)
48AQI (US)
27th May 2026
33AQI (US)
33AQI (US)
28th May 2026
22AQI (US)
22AQI (US)
29th May 2026
31AQI (US)
31AQI (US)
30th May 2026
34AQI (US)
34AQI (US)
31st May 2026
42AQI (US)
42AQI (US)
1st June 2026
41AQI (US)
41AQI (US)
2nd June 2026
55AQI (US)
55AQI (US)
3rd June 2026
33AQI (US)
33AQI (US)
4th June 2026
25AQI (US)
25AQI (US)
5th June 2026
22AQI (US)
22AQI (US)
6th June 2026
27AQI (US)
27AQI (US)
7th June 2026
23AQI (US)
23AQI (US)
8th June 2026
22AQI (US)
22AQI (US)
9th June 2026
23AQI (US)
23AQI (US)
10th June 2026
26AQI (US)
26AQI (US)
11th June 2026
35AQI (US)
35AQI (US)
12th June 2026
42AQI (US)
42AQI (US)
13th June 2026
34AQI (US)
34AQI (US)
14th June 2026
33AQI (US)
33AQI (US)
15th June 2026
50AQI (US)
50AQI (US)
16th June 2026
40AQI (US)
40AQI (US)
17th June 2026
49AQI (US)
49AQI (US)
18th June 2026
38AQI (US)
38AQI (US)
19th June 2026
48AQI (US)
48AQI (US)
20th June 2026
44AQI (US)
44AQI (US)
21st June 2026
33AQI (US)
33AQI (US)
22nd June 2026
30AQI (US)
30AQI (US)
23rd June 2026
42AQI (US)
42AQI (US)
24th June 2026
34AQI (US)
34AQI (US)
25th June 2026
40AQI (US)
40AQI (US)
26th June 2026
38AQI (US)
38AQI (US)
27th June 2026
50AQI (US)
50AQI (US)
28th June 2026
36AQI (US)
36AQI (US)
29th June 2026
40AQI (US)
40AQI (US)
30th June 2026
60AQI (US)
60AQI (US)
1st July 2026
69AQI (US)
69AQI (US)
2nd July 2026
30AQI (US)
30AQI (US)
3rd July 2026
26AQI (US)
26AQI (US)
4th July 2026
37AQI (US)
37AQI (US)
5th July 2026
51AQI (US)
51AQI (US)
6th July 2026
49AQI (US)
49AQI (US)
7th July 2026
31AQI (US)
31AQI (US)
8th July 2026
33AQI (US)
33AQI (US)
9th July 2026
31AQI (US)
31AQI (US)
10th July 2026
37AQI (US)
37AQI (US)
11th July 2026
27AQI (US)
27AQI (US)
12th July 2026
24AQI (US)
24AQI (US)
13th July 2026
28AQI (US)
28AQI (US)
14th July 2026
25AQI (US)
25AQI (US)
15th July 2026
25AQI (US)
25AQI (US)
16th July 2026
26AQI (US)
26AQI (US)
17th July 2026
35AQI (US)
35AQI (US)
18th July 2026
65AQI (US)
65AQI (US)
19th July 2026
39AQI (US)
39AQI (US)
20th July 2026
32AQI (US)
32AQI (US)
21st July 2026
42AQI (US)
42AQI (US)
22nd July 2026
44AQI (US)
44AQI (US)
23rd July 2026
57AQI (US)
57AQI (US)
24th July 2026
28AQI (US)
28AQI (US)
25th July 2026
33AQI (US)
33AQI (US)
26th July 2026
31AQI (US)
31AQI (US)
27th July 2026
30AQI (US)
30AQI (US)
28th July 2026
43AQI (US)
43AQI (US)
29th July 2026
56AQI (US)
56AQI (US)
30th July 2026
51AQI (US)
51AQI (US)
31st July 2026
50AQI (US)
50AQI (US)
1st August 2026
41AQI (US)
41AQI (US)
2nd August 2026
36AQI (US)
36AQI (US)
3rd August 2026
33AQI (US)
33AQI (US)
4th August 2026
42AQI (US)
42AQI (US)
5th August 2026
52AQI (US)
52AQI (US)
6th August 2026
40AQI (US)
40AQI (US)
7th August 2026
34AQI (US)
34AQI (US)
8th August 2026
32AQI (US)
32AQI (US)
9th August 2026
32AQI (US)
32AQI (US)
10th August 2026
30AQI (US)
30AQI (US)
11th August 2026
45AQI (US)
45AQI (US)
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
83AQI (US)
85AQI (US)
105AQI (US)
71AQI (US)
53AQI (US)
37AQI (US)
38AQI (US)
38AQI (US)
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202666AQI (US)
27
4
3
17
7
1
16
10
5
10
16
2
2
14
17
28
2
25
6
10
1
90
102
23
8
Highest AQI (US) recorded in
March105AQI (US)
Lowest AQI (US) recorded in
June37AQI (US)
202581AQI (US)
1
24
6
19
9
23
8
26
4
1
30
1
29
8
23
23
8
2
28
25
4
2
10
16
4
23
8
35
245
73
12
Highest AQI (US) recorded in
January130AQI (US)
Lowest AQI (US) recorded in
August49AQI (US)
202478AQI (US)
5
10
6
1
3
1
4
3
2
4
11
15
15
6
20
5
14
16
3
27
27
4
15
14
1
23
8
42
167
44
10
Highest AQI (US) recorded in
January126AQI (US)
Lowest AQI (US) recorded in
August51AQI (US)
2023116AQI (US)
2
1
8
18
5
10
19
5
Highest AQI (US) recorded in
December118AQI (US)
Lowest AQI (US) recorded in
November91AQI (US)
202185AQI (US)
8
11
7
14
6
4
2
24
5
21
5
2
2
31
10
19
13
17
23
134
27
13
4
Highest AQI (US) recorded in
January126AQI (US)
Lowest AQI (US) recorded in
July52AQI (US)
202070AQI (US)
9
3
1
12
5
3
2
16
14
16
15
16
28
3
9
21
4
27
15
15
13
15
3
73
148
38
6
Highest AQI (US) recorded in
December112AQI (US)
Lowest AQI (US) recorded in
August45AQI (US)
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2023(Avg.)
116AQI (US)Least Polluted Year Recorded
2026(Avg.)
66AQI (US)Environmental Building's annual 2026 AQI (US) (66) shows an average percentage change of -21.01% (improved AQI (US)) compared to previous years: 2020 (70), 2021 (85), 2023 (116), 2024 (78), 2025 (81).
