Star Electromechanical, Hegang, 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
Star Electromechanical, Hegang, Heilongjiang, China
2022
2023
2024
2025
2026
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
10th Aug 2023
60AQILowest AQI recorded on
12th Aug 2023
21AQISame Day Analysis (15th August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 4th highest AQI at 31 of Good air quality, showing improvement over 2025, 2024 and 2023 on the same day.
Day & Night AQI Trend: 14th Aug - 15th Aug 2026
Star Electromechanical, Hegang, Heilongjiang, China
AQI
Day
Night
.
3 AM14th Aug 2026
6 PM
2 AM15th Aug 2026
Day time
Avg. Highest Time
10AM14th Aug
29AQI
Avg. Lowest Time
6PM14th Aug
21AQI
Night time
Avg. Highest Time
11PM14th Aug
38AQI
Avg. Lowest Time
1AM15th Aug
21AQI
In the last 24 hours,
Star Electromechanical's AQI reached its highest point of 38 at 11 PM during the Night, while the lowest point, 21, was recorded at 1 AM during the Night between 14th Aug and 15th Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Star Electromechanical, Hegang, Heilongjiang, China
JulAug
17th - 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 - 12th12th - 13th13th - 14th14th - 15th15th
Day
Night
17th Jul 2026303 AMAQI
17th Jul 2026274 AMAQI
17th Jul 2026205 AMAQI
17th Jul 2026146 AMAQI
17th Jul 2026207 AMAQI
17th Jul 2026148 AMAQI
17th Jul 2026209 AMAQI
17th Jul 20262410 AMAQI
17th Jul 20262411 AMAQI
17th Jul 20262112 PMAQI
17th Jul 2026571 PMAQI
17th Jul 2026362 PMAQI
17th Jul 2026303 PMAQI
17th Jul 2026214 PMAQI
17th Jul 2026275 PMAQI
17th Jul 2026366 PMAQI
17th Jul 2026337 PMAQI
17th Jul 2026338 PMAQI
17th Jul 2026369 PMAQI
17th Jul 20264010 PMAQI
17th Jul 20264411 PMAQI
18th Jul 20264212 AMAQI
18th Jul 2026381 AMAQI
18th Jul 2026402 AMAQI
21°C15/26°C
18th Jul 2026403 AMAQI
18th Jul 2026424 AMAQI
18th Jul 2026385 AMAQI
18th Jul 2026406 AMAQI
18th Jul 2026367 AMAQI
18th Jul 2026448 AMAQI
18th Jul 2026449 AMAQI
18th Jul 20263310 AMAQI
18th Jul 20263311 AMAQI
18th Jul 20263312 PMAQI
18th Jul 2026361 PMAQI
18th Jul 2026362 PMAQI
18th Jul 2026333 PMAQI
18th Jul 2026294 PMAQI
18th Jul 2026295 PMAQI
18th Jul 2026296 PMAQI
18th Jul 2026317 PMAQI
18th Jul 2026388 PMAQI
18th Jul 2026389 PMAQI
18th Jul 20264010 PMAQI
18th Jul 20264411 PMAQI
19th Jul 20264212 AMAQI
19th Jul 2026461 AMAQI
19th Jul 2026522 AMAQI
23°C16/29°C
19th Jul 2026513 AMAQI
19th Jul 2026624 AMAQI
19th Jul 2026545 AMAQI
19th Jul 2026606 AMAQI
19th Jul 2026607 AMAQI
19th Jul 2026768 AMAQI
19th Jul 2026469 AMAQI
19th Jul 20265310 AMAQI
19th Jul 20266211 AMAQI
19th Jul 20265712 PMAQI
19th Jul 2026491 PMAQI
19th Jul 2026322 PMAQI
19th Jul 2026213 PMAQI
19th Jul 2026324 PMAQI
19th Jul 2026465 PMAQI
19th Jul 2026526 PMAQI
19th Jul 2026627 PMAQI
19th Jul 2026508 PMAQI
19th Jul 2026489 PMAQI
19th Jul 20266010 PMAQI
19th Jul 20266511 PMAQI
20th Jul 20267612 AMAQI
20th Jul 2026801 AMAQI
20th Jul 2026712 AMAQI
24°C18/31°C
20th Jul 2026763 AMAQI
20th Jul 2026504 AMAQI
20th Jul 2026465 AMAQI
20th Jul 2026366 AMAQI
20th Jul 2026367 AMAQI
20th Jul 2026118 AMAQI
20th Jul 2026129 AMAQI
20th Jul 2026810 AMAQI
20th Jul 20261211 AMAQI
20th Jul 20262212 PMAQI
20th Jul 2026311 PMAQI
20th Jul 2026272 PMAQI
20th Jul 2026213 PMAQI
20th Jul 2026404 PMAQI
20th Jul 2026275 PMAQI
20th Jul 2026236 PMAQI
20th Jul 2026277 PMAQI
20th Jul 2026388 PMAQI
20th Jul 2026409 PMAQI
20th Jul 20263610 PMAQI
20th Jul 20265811 PMAQI
21st Jul 20265312 AMAQI
21st Jul 2026761 AMAQI
21st Jul 2026742 AMAQI
24°C18/30°C
21st Jul 2026653 AMAQI
21st Jul 2026724 AMAQI
21st Jul 2026465 AMAQI
21st Jul 202686 AMAQI
21st Jul 2026337 AMAQI
21st Jul 2026208 AMAQI
21st Jul 2026109 AMAQI
21st Jul 20261410 AMAQI
21st Jul 20261412 PMAQI
21st Jul 2026211 PMAQI
21st Jul 2026212 PMAQI
21st Jul 2026163 PMAQI
21st Jul 2026114 PMAQI
21st Jul 2026165 PMAQI
21st Jul 2026756 PMAQI
21st Jul 2026217 PMAQI
21st Jul 2026388 PMAQI
21st Jul 2026569 PMAQI
21st Jul 20265310 PMAQI
21st Jul 20265311 PMAQI
22nd Jul 20263612 AMAQI
22nd Jul 2026391 AMAQI
22nd Jul 2026382 AMAQI
24°C18/30°C
22nd Jul 2026323 AMAQI
22nd Jul 2026364 AMAQI
22nd Jul 2026335 AMAQI
22nd Jul 2026466 AMAQI
22nd Jul 2026317 AMAQI
22nd Jul 2026508 AMAQI
22nd Jul 2026259 AMAQI
22nd Jul 2026810 AMAQI
22nd Jul 20261011 AMAQI
22nd Jul 20261212 PMAQI
22nd Jul 2026211 PMAQI
22nd Jul 2026232 PMAQI
22nd Jul 2026213 PMAQI
22nd Jul 202684 PMAQI
22nd Jul 2026125 PMAQI
22nd Jul 2026296 PMAQI
22nd Jul 2026317 PMAQI
22nd Jul 2026318 PMAQI
22nd Jul 2026529 PMAQI
22nd Jul 20264010 PMAQI
22nd Jul 20262811 PMAQI
23rd Jul 20263412 AMAQI
23rd Jul 2026481 AMAQI
23rd Jul 2026652 AMAQI
23°C19/28°C
23rd Jul 2026663 AMAQI
23rd Jul 2026554 AMAQI
23rd Jul 2026535 AMAQI
23rd Jul 2026516 AMAQI
23rd Jul 2026557 AMAQI
23rd Jul 2026498 AMAQI
23rd Jul 2026669 AMAQI
23rd Jul 20265110 AMAQI
23rd Jul 20265511 AMAQI
23rd Jul 20265412 PMAQI
23rd Jul 2026711 PMAQI
23rd Jul 2026862 PMAQI
23rd Jul 2026883 PMAQI
23rd Jul 2026494 PMAQI
23rd Jul 2026595 PMAQI
23rd Jul 2026546 PMAQI
23rd Jul 2026697 PMAQI
23rd Jul 2026538 PMAQI
23rd Jul 2026339 PMAQI
23rd Jul 20264210 PMAQI
23rd Jul 20264611 PMAQI
24th Jul 20265312 AMAQI
24th Jul 2026401 AMAQI
24th Jul 2026312 AMAQI
22°C20/25°C
24th Jul 2026423 AMAQI
24th Jul 2026274 AMAQI
24th Jul 2026295 AMAQI
24th Jul 2026276 AMAQI
24th Jul 2026237 AMAQI
24th Jul 2026388 AMAQI
24th Jul 2026449 AMAQI
24th Jul 20263310 AMAQI
24th Jul 20263811 AMAQI
24th Jul 20265812 PMAQI
24th Jul 2026491 PMAQI
24th Jul 2026592 PMAQI
24th Jul 2026443 PMAQI
24th Jul 2026254 PMAQI
24th Jul 2026365 PMAQI
24th Jul 2026276 PMAQI
24th Jul 2026107 PMAQI
24th Jul 2026178 PMAQI
24th Jul 2026259 PMAQI
24th Jul 20262510 PMAQI
24th Jul 20262511 PMAQI
25th Jul 20262712 AMAQI
25th Jul 2026381 AMAQI
25th Jul 2026332 AMAQI
22°C20/26°C
25th Jul 2026213 AMAQI
25th Jul 2026214 AMAQI
25th Jul 2026215 AMAQI
25th Jul 2026216 AMAQI
25th Jul 2026317 AMAQI
25th Jul 2026298 AMAQI
25th Jul 2026299 AMAQI
25th Jul 20261810 AMAQI
25th Jul 2026811 AMAQI
25th Jul 2026812 PMAQI
25th Jul 2026141 PMAQI
25th Jul 2026252 PMAQI
25th Jul 2026233 PMAQI
25th Jul 2026294 PMAQI
25th Jul 2026255 PMAQI
25th Jul 2026236 PMAQI
25th Jul 2026297 PMAQI
25th Jul 2026258 PMAQI
25th Jul 2026259 PMAQI
25th Jul 20262510 PMAQI
25th Jul 20262511 PMAQI
26th Jul 20262312 AMAQI
26th Jul 2026231 AMAQI
26th Jul 2026252 AMAQI
21°C20/22°C
26th Jul 2026293 AMAQI
26th Jul 2026274 AMAQI
26th Jul 2026255 AMAQI
26th Jul 2026236 AMAQI
26th Jul 2026257 AMAQI
26th Jul 2026238 AMAQI
26th Jul 2026259 AMAQI
26th Jul 20262510 AMAQI
26th Jul 20262511 AMAQI
26th Jul 20262712 PMAQI
26th Jul 2026291 PMAQI
26th Jul 2026292 PMAQI
26th Jul 2026293 PMAQI
26th Jul 2026254 PMAQI
26th Jul 2026275 PMAQI
26th Jul 2026276 PMAQI
26th Jul 2026297 PMAQI
26th Jul 2026278 PMAQI
26th Jul 2026259 PMAQI
26th Jul 20262510 PMAQI
26th Jul 20262711 PMAQI
27th Jul 20262912 AMAQI
27th Jul 2026251 AMAQI
27th Jul 2026252 AMAQI
20°C18/22°C
27th Jul 2026233 AMAQI
27th Jul 2026214 AMAQI
27th Jul 2026215 AMAQI
27th Jul 2026216 AMAQI
27th Jul 2026217 AMAQI
27th Jul 2026278 AMAQI
27th Jul 2026219 AMAQI
27th Jul 20262510 AMAQI
27th Jul 20263111 AMAQI
27th Jul 20262712 PMAQI
27th Jul 2026251 PMAQI
27th Jul 2026272 PMAQI
27th Jul 2026253 PMAQI
27th Jul 2026274 PMAQI
27th Jul 2026255 PMAQI
27th Jul 2026236 PMAQI
27th Jul 2026237 PMAQI
27th Jul 2026258 PMAQI
27th Jul 2026219 PMAQI
27th Jul 20262110 PMAQI
27th Jul 20262111 PMAQI
28th Jul 20262112 AMAQI
28th Jul 2026211 AMAQI
28th Jul 2026212 AMAQI
19°C16/21°C
28th Jul 2026213 AMAQI
28th Jul 2026274 AMAQI
28th Jul 2026315 AMAQI
28th Jul 2026276 AMAQI
28th Jul 2026257 AMAQI
28th Jul 2026298 AMAQI
28th Jul 2026259 AMAQI
28th Jul 20262710 AMAQI
28th Jul 20263811 AMAQI
28th Jul 20262512 PMAQI
28th Jul 2026251 PMAQI
28th Jul 2026272 PMAQI
28th Jul 2026253 PMAQI
28th Jul 2026254 PMAQI
28th Jul 2026255 PMAQI
28th Jul 2026276 PMAQI
28th Jul 2026337 PMAQI
28th Jul 2026368 PMAQI
28th Jul 2026339 PMAQI
28th Jul 20263610 PMAQI
28th Jul 20263311 PMAQI
29th Jul 20263312 AMAQI
29th Jul 2026341 AMAQI
29th Jul 2026272 AMAQI
21°C18/26°C
29th Jul 2026293 AMAQI
29th Jul 2026254 AMAQI
29th Jul 2026255 AMAQI
29th Jul 2026256 AMAQI
29th Jul 2026337 AMAQI
29th Jul 2026278 AMAQI
29th Jul 2026239 AMAQI
29th Jul 20262110 AMAQI
29th Jul 20262511 AMAQI
29th Jul 20262512 PMAQI
29th Jul 2026251 PMAQI
29th Jul 2026212 PMAQI
29th Jul 2026213 PMAQI
29th Jul 2026214 PMAQI
29th Jul 2026235 PMAQI
29th Jul 2026216 PMAQI
29th Jul 2026217 PMAQI
29th Jul 2026218 PMAQI
29th Jul 2026239 PMAQI
29th Jul 20262310 PMAQI
29th Jul 20262511 PMAQI
30th Jul 20262512 AMAQI
30th Jul 2026231 AMAQI
30th Jul 2026322 AMAQI
24°C20/28°C
30th Jul 2026233 AMAQI
30th Jul 2026234 AMAQI
30th Jul 2026215 AMAQI
30th Jul 2026236 AMAQI
30th Jul 2026237 AMAQI
30th Jul 2026328 AMAQI
30th Jul 2026349 AMAQI
30th Jul 20262110 AMAQI
30th Jul 20262111 AMAQI
30th Jul 20262112 PMAQI
30th Jul 2026251 PMAQI
30th Jul 2026252 PMAQI
30th Jul 2026253 PMAQI
30th Jul 2026234 PMAQI
30th Jul 2026235 PMAQI
30th Jul 2026216 PMAQI
30th Jul 2026237 PMAQI
30th Jul 2026278 PMAQI
30th Jul 2026279 PMAQI
30th Jul 20262510 PMAQI
30th Jul 20262511 PMAQI
31st Jul 20262512 AMAQI
31st Jul 2026291 AMAQI
31st Jul 2026272 AMAQI
23°C20/27°C
31st Jul 2026293 AMAQI
31st Jul 2026294 AMAQI
31st Jul 2026315 AMAQI
31st Jul 2026276 AMAQI
31st Jul 2026297 AMAQI
31st Jul 2026298 AMAQI
31st Jul 2026259 AMAQI
31st Jul 20262510 AMAQI
31st Jul 20262911 AMAQI
31st Jul 20262912 PMAQI
31st Jul 2026251 PMAQI
31st Jul 2026252 PMAQI
31st Jul 2026233 PMAQI
31st Jul 2026234 PMAQI
31st Jul 2026275 PMAQI
31st Jul 2026256 PMAQI
31st Jul 2026217 PMAQI
31st Jul 2026258 PMAQI
31st Jul 2026219 PMAQI
31st Jul 20262110 PMAQI
31st Jul 20262111 PMAQI
1st Aug 20262312 AMAQI
1st Aug 2026211 AMAQI
1st Aug 2026292 AMAQI
19°C19/21°C
1st Aug 2026233 AMAQI
1st Aug 2026214 AMAQI
1st Aug 2026215 AMAQI
1st Aug 2026276 AMAQI
1st Aug 2026277 AMAQI
1st Aug 2026238 AMAQI
1st Aug 2026219 AMAQI
1st Aug 20262110 AMAQI
1st Aug 20262511 AMAQI
1st Aug 20262112 PMAQI
1st Aug 2026251 PMAQI
1st Aug 2026232 PMAQI
1st Aug 2026253 PMAQI
1st Aug 2026254 PMAQI
1st Aug 2026235 PMAQI
1st Aug 2026216 PMAQI
1st Aug 2026277 PMAQI
1st Aug 2026348 PMAQI
1st Aug 2026319 PMAQI
1st Aug 20263310 PMAQI
1st Aug 20263811 PMAQI
2nd Aug 20263812 AMAQI
2nd Aug 2026441 AMAQI
2nd Aug 2026422 AMAQI
21°C19/23°C
2nd Aug 2026403 AMAQI
2nd Aug 2026404 AMAQI
2nd Aug 2026425 AMAQI
2nd Aug 2026426 AMAQI
2nd Aug 2026407 AMAQI
2nd Aug 2026388 AMAQI
2nd Aug 2026409 AMAQI
2nd Aug 20263310 AMAQI
2nd Aug 20263311 AMAQI
2nd Aug 20262912 PMAQI
2nd Aug 2026311 PMAQI
2nd Aug 2026252 PMAQI
2nd Aug 2026253 PMAQI
2nd Aug 2026254 PMAQI
2nd Aug 2026255 PMAQI
2nd Aug 2026236 PMAQI
2nd Aug 2026237 PMAQI
2nd Aug 2026258 PMAQI
2nd Aug 2026259 PMAQI
2nd Aug 20262710 PMAQI
2nd Aug 20262711 PMAQI
3rd Aug 20262112 AMAQI
3rd Aug 2026231 AMAQI
3rd Aug 2026252 AMAQI
21°C17/24°C
3rd Aug 2026233 AMAQI
3rd Aug 2026214 AMAQI
3rd Aug 2026235 AMAQI
3rd Aug 2026216 AMAQI
3rd Aug 2026217 AMAQI
3rd Aug 2026218 AMAQI
3rd Aug 2026219 AMAQI
3rd Aug 20262510 AMAQI
3rd Aug 20262511 AMAQI
3rd Aug 20262112 PMAQI
3rd Aug 2026211 PMAQI
3rd Aug 2026252 PMAQI
3rd Aug 2026253 PMAQI
3rd Aug 2026274 PMAQI
3rd Aug 2026275 PMAQI
3rd Aug 2026296 PMAQI
3rd Aug 2026297 PMAQI
3rd Aug 2026278 PMAQI
3rd Aug 2026299 PMAQI
3rd Aug 20262710 PMAQI
3rd Aug 20262911 PMAQI
4th Aug 20263312 AMAQI
4th Aug 2026341 AMAQI
4th Aug 2026382 AMAQI
23°C19/27°C
4th Aug 2026363 AMAQI
4th Aug 2026384 AMAQI
4th Aug 2026365 AMAQI
4th Aug 2026336 AMAQI
4th Aug 2026367 AMAQI
4th Aug 2026368 AMAQI
4th Aug 2026369 AMAQI
4th Aug 20263810 AMAQI
4th Aug 20264011 AMAQI
4th Aug 20263312 PMAQI
4th Aug 2026381 PMAQI
4th Aug 2026362 PMAQI
4th Aug 2026333 PMAQI
4th Aug 2026294 PMAQI
4th Aug 2026315 PMAQI
4th Aug 2026316 PMAQI
4th Aug 2026337 PMAQI
4th Aug 2026318 PMAQI
4th Aug 2026299 PMAQI
4th Aug 20262910 PMAQI
4th Aug 20262911 PMAQI
5th Aug 20262912 AMAQI
5th Aug 2026381 AMAQI
5th Aug 2026362 AMAQI
27°C22/33°C
5th Aug 2026333 AMAQI
5th Aug 2026364 AMAQI
5th Aug 2026335 AMAQI
5th Aug 2026336 AMAQI
5th Aug 2026337 AMAQI
5th Aug 2026318 AMAQI
5th Aug 2026339 AMAQI
5th Aug 20263110 AMAQI
5th Aug 20262911 AMAQI
5th Aug 20262912 PMAQI
5th Aug 2026331 PMAQI
5th Aug 2026332 PMAQI
5th Aug 2026333 PMAQI
5th Aug 2026314 PMAQI
5th Aug 2026315 PMAQI
5th Aug 2026336 PMAQI
5th Aug 2026337 PMAQI
5th Aug 2026368 PMAQI
5th Aug 2026389 PMAQI
5th Aug 20263310 PMAQI
5th Aug 20264011 PMAQI
6th Aug 20264412 AMAQI
6th Aug 2026471 AMAQI
6th Aug 2026512 AMAQI
25°C22/29°C
6th Aug 2026503 AMAQI
6th Aug 2026464 AMAQI
6th Aug 2026465 AMAQI
6th Aug 2026426 AMAQI
6th Aug 2026447 AMAQI
6th Aug 2026408 AMAQI
6th Aug 2026409 AMAQI
6th Aug 20263610 AMAQI
6th Aug 20263811 AMAQI
6th Aug 20264212 PMAQI
6th Aug 2026401 PMAQI
6th Aug 2026402 PMAQI
6th Aug 2026363 PMAQI
6th Aug 2026404 PMAQI
6th Aug 2026425 PMAQI
6th Aug 2026426 PMAQI
6th Aug 2026427 PMAQI
6th Aug 2026388 PMAQI
6th Aug 2026389 PMAQI
6th Aug 20263610 PMAQI
6th Aug 20263611 PMAQI
7th Aug 20264012 AMAQI
7th Aug 2026361 AMAQI
7th Aug 2026362 AMAQI
25°C20/30°C
7th Aug 2026363 AMAQI
7th Aug 2026364 AMAQI
7th Aug 2026315 AMAQI
7th Aug 2026296 AMAQI
7th Aug 2026297 AMAQI
7th Aug 2026298 AMAQI
7th Aug 2026299 AMAQI
7th Aug 20262910 AMAQI
7th Aug 20263111 AMAQI
7th Aug 20264812 PMAQI
7th Aug 2026291 PMAQI
7th Aug 2026272 PMAQI
7th Aug 2026253 PMAQI
7th Aug 2026294 PMAQI
7th Aug 2026255 PMAQI
7th Aug 2026296 PMAQI
7th Aug 2026297 PMAQI
7th Aug 2026388 PMAQI
7th Aug 2026409 PMAQI
7th Aug 20263810 PMAQI
7th Aug 20263611 PMAQI
8th Aug 20263612 AMAQI
8th Aug 2026331 AMAQI
8th Aug 2026382 AMAQI
18°C13/22°C
8th Aug 2026363 AMAQI
8th Aug 2026364 AMAQI
8th Aug 2026295 AMAQI
8th Aug 2026336 AMAQI
8th Aug 2026317 AMAQI
8th Aug 2026318 AMAQI
8th Aug 2026299 AMAQI
8th Aug 20262910 AMAQI
8th Aug 20262711 AMAQI
8th Aug 20262512 PMAQI
8th Aug 2026251 PMAQI
8th Aug 2026232 PMAQI
8th Aug 2026213 PMAQI
8th Aug 2026214 PMAQI
8th Aug 2026215 PMAQI
8th Aug 2026216 PMAQI
8th Aug 2026327 PMAQI
8th Aug 2026278 PMAQI
8th Aug 2026239 PMAQI
8th Aug 20262310 PMAQI
8th Aug 20262711 PMAQI
9th Aug 20262412 AMAQI
9th Aug 2026241 AMAQI
9th Aug 2026212 AMAQI
17°C10/24°C
9th Aug 2026233 AMAQI
9th Aug 2026274 AMAQI
9th Aug 2026255 AMAQI
9th Aug 2026216 AMAQI
9th Aug 2026217 AMAQI
9th Aug 2026258 AMAQI
9th Aug 2026299 AMAQI
9th Aug 20262510 AMAQI
9th Aug 20262711 AMAQI
9th Aug 20262112 PMAQI
9th Aug 2026211 PMAQI
9th Aug 2026212 PMAQI
9th Aug 2026253 PMAQI
9th Aug 2026234 PMAQI
9th Aug 2026315 PMAQI
9th Aug 2026256 PMAQI
9th Aug 2026257 PMAQI
9th Aug 2026278 PMAQI
9th Aug 2026319 PMAQI
9th Aug 20262910 PMAQI
9th Aug 20263611 PMAQI
10th Aug 20263612 AMAQI
10th Aug 2026401 AMAQI
10th Aug 2026362 AMAQI
17°C11/23°C
10th Aug 2026403 AMAQI
10th Aug 2026404 AMAQI
10th Aug 2026445 AMAQI
10th Aug 2026446 AMAQI
10th Aug 2026467 AMAQI
10th Aug 2026488 AMAQI
10th Aug 2026509 AMAQI
10th Aug 20265210 AMAQI
10th Aug 20263811 AMAQI
10th Aug 20262912 PMAQI
10th Aug 2026291 PMAQI
10th Aug 2026342 PMAQI
10th Aug 2026383 PMAQI
10th Aug 2026384 PMAQI
10th Aug 2026405 PMAQI
10th Aug 2026406 PMAQI
10th Aug 2026387 PMAQI
10th Aug 2026448 PMAQI
10th Aug 2026469 PMAQI
10th Aug 20264610 PMAQI
10th Aug 20264011 PMAQI
11th Aug 20263312 AMAQI
11th Aug 2026311 AMAQI
11th Aug 2026362 AMAQI
19°C13/25°C
11th Aug 2026443 AMAQI
11th Aug 2026544 AMAQI
11th Aug 2026445 AMAQI
11th Aug 2026276 AMAQI
11th Aug 2026317 AMAQI
11th Aug 2026338 AMAQI
11th Aug 2026319 AMAQI
11th Aug 20263110 AMAQI
11th Aug 20262911 AMAQI
11th Aug 20262412 PMAQI
11th Aug 2026211 PMAQI
11th Aug 2026212 PMAQI
11th Aug 2026213 PMAQI
11th Aug 2026254 PMAQI
11th Aug 2026235 PMAQI
11th Aug 2026216 PMAQI
11th Aug 2026337 PMAQI
11th Aug 2026398 PMAQI
11th Aug 2026469 PMAQI
11th Aug 20264810 PMAQI
11th Aug 20265211 PMAQI
12th Aug 20264012 AMAQI
12th Aug 2026291 AMAQI
12th Aug 2026312 AMAQI
22°C16/28°C
12th Aug 2026443 AMAQI
12th Aug 2026424 AMAQI
12th Aug 2026255 AMAQI
12th Aug 2026256 AMAQI
12th Aug 2026237 AMAQI
12th Aug 2026258 AMAQI
12th Aug 2026319 AMAQI
12th Aug 20263010 AMAQI
12th Aug 20262511 AMAQI
12th Aug 20262112 PMAQI
12th Aug 2026271 PMAQI
12th Aug 2026292 PMAQI
12th Aug 2026363 PMAQI
12th Aug 2026294 PMAQI
12th Aug 2026215 PMAQI
12th Aug 2026236 PMAQI
12th Aug 2026257 PMAQI
12th Aug 2026298 PMAQI
12th Aug 2026339 PMAQI
12th Aug 20263310 PMAQI
12th Aug 20263311 PMAQI
13th Aug 20264012 AMAQI
13th Aug 2026461 AMAQI
13th Aug 2026272 AMAQI
24°C19/30°C
13th Aug 2026313 AMAQI
13th Aug 2026314 AMAQI
13th Aug 2026275 AMAQI
13th Aug 2026316 AMAQI
13th Aug 2026297 AMAQI
13th Aug 2026278 AMAQI
13th Aug 2026259 AMAQI
13th Aug 20264910 AMAQI
13th Aug 20263811 AMAQI
13th Aug 20264612 PMAQI
13th Aug 2026331 PMAQI
13th Aug 2026272 PMAQI
13th Aug 2026283 PMAQI
13th Aug 2026324 PMAQI
13th Aug 2026275 PMAQI
13th Aug 2026316 PMAQI
13th Aug 2026257 PMAQI
13th Aug 2026258 PMAQI
13th Aug 2026259 PMAQI
13th Aug 20263610 PMAQI
13th Aug 20262511 PMAQI
14th Aug 20262312 AMAQI
14th Aug 2026291 AMAQI
14th Aug 2026252 AMAQI
21°C18/24°C
14th Aug 2026253 AMAQI
14th Aug 2026274 AMAQI
14th Aug 2026255 AMAQI
14th Aug 2026216 AMAQI
14th Aug 2026217 AMAQI
14th Aug 2026218 AMAQI
14th Aug 2026259 AMAQI
14th Aug 20262910 AMAQI
14th Aug 20262911 AMAQI
14th Aug 20262112 PMAQI
14th Aug 2026231 PMAQI
14th Aug 2026212 PMAQI
14th Aug 2026253 PMAQI
14th Aug 2026294 PMAQI
14th Aug 2026215 PMAQI
14th Aug 2026216 PMAQI
14th Aug 2026237 PMAQI
14th Aug 2026348 PMAQI
14th Aug 2026219 PMAQI
14th Aug 20262110 PMAQI
14th Aug 20263811 PMAQI
15th Aug 20263612 AMAQI
15th Aug 2026211 AMAQI
15th Aug 2026252 AMAQI
20°C16/25°C
15th Aug 2026313 AMAQI
3 AM15th Aug 2026254 AMAQI
15th Aug 2026335 AMAQI
15th Aug 2026426 AMAQI
15th Aug 2026497 AMAQI
15th Aug 2026428 AMAQI
15th Aug 2026259 AMAQI
15th Aug 20264210 AMAQI
10 AM15th Aug 20262911 AMAQI
15th Aug 20262512 PMAQI
15th Aug 2026291 PMAQI
15th Aug 2026272 PMAQI
15th Aug 2026253 PMAQI
15th Aug 2026214 PMAQI
15th Aug 2026255 PMAQI
15th Aug 2026336 PMAQI
6 PM15th Aug 2026257 PMAQI
15th Aug 2026428 PMAQI
15th Aug 2026469 PMAQI
15th Aug 20263410 PMAQI
10 PM15th Aug 20262211 PMAQI
2 AM
19°C14/25°C
Day time
Avg. Highest Time
3 AM - 4 AM
36AQI
2 hours / Day
60 hours / Month
Avg. Lowest Time
4 PM
27AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 3 AM to 4 AM (Avg. 36), while the lowest AQI was between 4 PM to 4 PM (Avg. 27).
Night time
Avg. Highest Time
12 AM - 2 AM
36AQI
3 hours / Day
90 hours / Month
Avg. Lowest Time
7 PM
30AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 2 AM (Avg. 36), while the lowest AQI was between 7 PM to 7 PM (Avg. 30).
2026 Days Vs Air Quality
Star Electromechanical, Hegang, Heilongjiang, China
2026
61%
139
34%
78
4%
9
0.4%
1
Total number of days with different AQI categories in last 227 days in 2026 (138 days remaining)
Good
139 DaysModerate
78 DaysPoor
9 DaysUnhealthy
1 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 61%
Health Risk Level:
Moderate
In 2026, 61% of 227 days were within WHO’s safe air quality limits, and 39% exceeded them. The risk of health issues is Moderate, particularly for individuals with respiratory or heart conditions.
Annual Air Quality Insights
Star Electromechanical, Hegang, 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
58AQI (US)
58AQI (US)
2nd January 2026
64AQI (US)
64AQI (US)
3rd January 2026
72AQI (US)
72AQI (US)
4th January 2026
70AQI (US)
70AQI (US)
5th January 2026
63AQI (US)
63AQI (US)
6th January 2026
89AQI (US)
89AQI (US)
7th January 2026
69AQI (US)
69AQI (US)
8th January 2026
67AQI (US)
67AQI (US)
9th January 2026
100AQI (US)
100AQI (US)
10th January 2026
74AQI (US)
74AQI (US)
11th January 2026
61AQI (US)
61AQI (US)
12th January 2026
86AQI (US)
86AQI (US)
13th January 2026
84AQI (US)
84AQI (US)
14th January 2026
72AQI (US)
72AQI (US)
15th January 2026
73AQI (US)
73AQI (US)
16th January 2026
60AQI (US)
60AQI (US)
17th January 2026
78AQI (US)
78AQI (US)
18th January 2026
86AQI (US)
86AQI (US)
19th January 2026
84AQI (US)
84AQI (US)
20th January 2026
58AQI (US)
58AQI (US)
21st January 2026
39AQI (US)
39AQI (US)
22nd January 2026
40AQI (US)
40AQI (US)
23rd January 2026
51AQI (US)
51AQI (US)
24th January 2026
45AQI (US)
45AQI (US)
25th January 2026
31AQI (US)
31AQI (US)
26th January 2026
39AQI (US)
39AQI (US)
27th January 2026
60AQI (US)
60AQI (US)
28th January 2026
43AQI (US)
43AQI (US)
29th January 2026
18AQI (US)
18AQI (US)
30th January 2026
34AQI (US)
34AQI (US)
31st January 2026
45AQI (US)
45AQI (US)
1st February 2026
58AQI (US)
58AQI (US)
2nd February 2026
63AQI (US)
63AQI (US)
3rd February 2026
45AQI (US)
45AQI (US)
4th February 2026
102AQI (US)
102AQI (US)
5th February 2026
68AQI (US)
68AQI (US)
6th February 2026
32AQI (US)
32AQI (US)
7th February 2026
33AQI (US)
33AQI (US)
8th February 2026
51AQI (US)
51AQI (US)
9th February 2026
83AQI (US)
83AQI (US)
10th February 2026
103AQI (US)
103AQI (US)
11th February 2026
59AQI (US)
59AQI (US)
12th February 2026
62AQI (US)
62AQI (US)
13th February 2026
69AQI (US)
69AQI (US)
14th February 2026
70AQI (US)
70AQI (US)
15th February 2026
28AQI (US)
28AQI (US)
16th February 2026
57AQI (US)
57AQI (US)
17th February 2026
79AQI (US)
79AQI (US)
18th February 2026
30AQI (US)
30AQI (US)
19th February 2026
58AQI (US)
58AQI (US)
20th February 2026
64AQI (US)
64AQI (US)
21st February 2026
85AQI (US)
85AQI (US)
22nd February 2026
62AQI (US)
62AQI (US)
23rd February 2026
37AQI (US)
37AQI (US)
24th February 2026
37AQI (US)
37AQI (US)
25th February 2026
60AQI (US)
60AQI (US)
26th February 2026
33AQI (US)
33AQI (US)
27th February 2026
32AQI (US)
32AQI (US)
28th February 2026
32AQI (US)
32AQI (US)
1st March 2026
31AQI (US)
31AQI (US)
2nd March 2026
51AQI (US)
51AQI (US)
3rd March 2026
46AQI (US)
46AQI (US)
4th March 2026
53AQI (US)
53AQI (US)
5th March 2026
62AQI (US)
62AQI (US)
6th March 2026
44AQI (US)
44AQI (US)
7th March 2026
29AQI (US)
29AQI (US)
8th March 2026
38AQI (US)
38AQI (US)
9th March 2026
27AQI (US)
27AQI (US)
10th March 2026
55AQI (US)
55AQI (US)
11th March 2026
43AQI (US)
43AQI (US)
12th March 2026
39AQI (US)
39AQI (US)
13th March 2026
56AQI (US)
56AQI (US)
14th March 2026
67AQI (US)
67AQI (US)
15th March 2026
31AQI (US)
31AQI (US)
16th March 2026
36AQI (US)
36AQI (US)
17th March 2026
34AQI (US)
34AQI (US)
18th March 2026
54AQI (US)
54AQI (US)
19th March 2026
102AQI (US)
102AQI (US)
20th March 2026
66AQI (US)
66AQI (US)
21st March 2026
128AQI (US)
128AQI (US)
22nd March 2026
114AQI (US)
114AQI (US)
23rd March 2026
77AQI (US)
77AQI (US)
24th March 2026
101AQI (US)
101AQI (US)
25th March 2026
155AQI (US)
155AQI (US)
26th March 2026
145AQI (US)
145AQI (US)
27th March 2026
78AQI (US)
78AQI (US)
28th March 2026
55AQI (US)
55AQI (US)
29th March 2026
65AQI (US)
65AQI (US)
30th March 2026
39AQI (US)
39AQI (US)
31st March 2026
78AQI (US)
78AQI (US)
1st April 2026
87AQI (US)
87AQI (US)
2nd April 2026
130AQI (US)
130AQI (US)
3rd April 2026
73AQI (US)
73AQI (US)
4th April 2026
69AQI (US)
69AQI (US)
5th April 2026
63AQI (US)
63AQI (US)
6th April 2026
46AQI (US)
46AQI (US)
7th April 2026
24AQI (US)
24AQI (US)
8th April 2026
47AQI (US)
47AQI (US)
9th April 2026
33AQI (US)
33AQI (US)
10th April 2026
49AQI (US)
49AQI (US)
11th April 2026
51AQI (US)
51AQI (US)
12th April 2026
53AQI (US)
53AQI (US)
13th April 2026
28AQI (US)
28AQI (US)
14th April 2026
35AQI (US)
35AQI (US)
15th April 2026
66AQI (US)
66AQI (US)
16th April 2026
72AQI (US)
72AQI (US)
17th April 2026
106AQI (US)
106AQI (US)
18th April 2026
43AQI (US)
43AQI (US)
19th April 2026
28AQI (US)
28AQI (US)
20th April 2026
37AQI (US)
37AQI (US)
21st April 2026
42AQI (US)
42AQI (US)
22nd April 2026
23AQI (US)
23AQI (US)
23rd April 2026
22AQI (US)
22AQI (US)
24th April 2026
27AQI (US)
27AQI (US)
25th April 2026
42AQI (US)
42AQI (US)
26th April 2026
42AQI (US)
42AQI (US)
27th April 2026
24AQI (US)
24AQI (US)
28th April 2026
27AQI (US)
27AQI (US)
29th April 2026
42AQI (US)
42AQI (US)
30th April 2026
57AQI (US)
57AQI (US)
1st May 2026
25AQI (US)
25AQI (US)
2nd May 2026
29AQI (US)
29AQI (US)
3rd May 2026
27AQI (US)
27AQI (US)
4th May 2026
56AQI (US)
56AQI (US)
5th May 2026
37AQI (US)
37AQI (US)
6th May 2026
45AQI (US)
45AQI (US)
7th May 2026
20AQI (US)
20AQI (US)
8th May 2026
26AQI (US)
26AQI (US)
9th May 2026
41AQI (US)
41AQI (US)
10th May 2026
58AQI (US)
58AQI (US)
11th May 2026
68AQI (US)
68AQI (US)
12th May 2026
63AQI (US)
63AQI (US)
13th May 2026
90AQI (US)
90AQI (US)
14th May 2026
60AQI (US)
60AQI (US)
15th May 2026
40AQI (US)
40AQI (US)
16th May 2026
78AQI (US)
78AQI (US)
17th May 2026
65AQI (US)
65AQI (US)
18th May 2026
57AQI (US)
57AQI (US)
19th May 2026
55AQI (US)
55AQI (US)
20th May 2026
64AQI (US)
64AQI (US)
21st May 2026
67AQI (US)
67AQI (US)
22nd May 2026
78AQI (US)
78AQI (US)
23rd May 2026
71AQI (US)
71AQI (US)
24th May 2026
70AQI (US)
70AQI (US)
25th May 2026
66AQI (US)
66AQI (US)
26th May 2026
44AQI (US)
44AQI (US)
27th May 2026
28AQI (US)
28AQI (US)
28th May 2026
30AQI (US)
30AQI (US)
29th May 2026
32AQI (US)
32AQI (US)
30th May 2026
25AQI (US)
25AQI (US)
31st May 2026
35AQI (US)
35AQI (US)
1st June 2026
49AQI (US)
49AQI (US)
2nd June 2026
39AQI (US)
39AQI (US)
3rd June 2026
29AQI (US)
29AQI (US)
4th June 2026
22AQI (US)
22AQI (US)
5th June 2026
18AQI (US)
18AQI (US)
6th June 2026
25AQI (US)
25AQI (US)
7th June 2026
22AQI (US)
22AQI (US)
8th June 2026
22AQI (US)
22AQI (US)
9th June 2026
24AQI (US)
24AQI (US)
10th June 2026
33AQI (US)
33AQI (US)
11th June 2026
36AQI (US)
36AQI (US)
12th June 2026
36AQI (US)
36AQI (US)
13th June 2026
25AQI (US)
25AQI (US)
14th June 2026
23AQI (US)
23AQI (US)
15th June 2026
36AQI (US)
36AQI (US)
16th June 2026
42AQI (US)
42AQI (US)
17th June 2026
42AQI (US)
42AQI (US)
18th June 2026
33AQI (US)
33AQI (US)
19th June 2026
39AQI (US)
39AQI (US)
20th June 2026
46AQI (US)
46AQI (US)
21st June 2026
43AQI (US)
43AQI (US)
22nd June 2026
50AQI (US)
50AQI (US)
23rd June 2026
46AQI (US)
46AQI (US)
24th June 2026
45AQI (US)
45AQI (US)
25th June 2026
28AQI (US)
28AQI (US)
26th June 2026
33AQI (US)
33AQI (US)
27th June 2026
26AQI (US)
26AQI (US)
28th June 2026
28AQI (US)
28AQI (US)
29th June 2026
28AQI (US)
28AQI (US)
30th June 2026
36AQI (US)
36AQI (US)
1st July 2026
38AQI (US)
38AQI (US)
2nd July 2026
37AQI (US)
37AQI (US)
3rd July 2026
44AQI (US)
44AQI (US)
4th July 2026
31AQI (US)
31AQI (US)
5th July 2026
29AQI (US)
29AQI (US)
6th July 2026
24AQI (US)
24AQI (US)
7th July 2026
23AQI (US)
23AQI (US)
8th July 2026
23AQI (US)
23AQI (US)
9th July 2026
24AQI (US)
24AQI (US)
10th July 2026
45AQI (US)
45AQI (US)
11th July 2026
41AQI (US)
41AQI (US)
12th July 2026
37AQI (US)
37AQI (US)
13th July 2026
39AQI (US)
39AQI (US)
14th July 2026
39AQI (US)
39AQI (US)
15th July 2026
41AQI (US)
41AQI (US)
16th July 2026
26AQI (US)
26AQI (US)
17th July 2026
28AQI (US)
28AQI (US)
18th July 2026
37AQI (US)
37AQI (US)
19th July 2026
52AQI (US)
52AQI (US)
20th July 2026
38AQI (US)
38AQI (US)
21st July 2026
38AQI (US)
38AQI (US)
22nd July 2026
29AQI (US)
29AQI (US)
23rd July 2026
56AQI (US)
56AQI (US)
24th July 2026
34AQI (US)
34AQI (US)
25th July 2026
24AQI (US)
24AQI (US)
26th July 2026
26AQI (US)
26AQI (US)
27th July 2026
24AQI (US)
24AQI (US)
28th July 2026
28AQI (US)
28AQI (US)
29th July 2026
25AQI (US)
25AQI (US)
30th July 2026
25AQI (US)
25AQI (US)
31st July 2026
26AQI (US)
26AQI (US)
1st August 2026
25AQI (US)
25AQI (US)
2nd August 2026
33AQI (US)
33AQI (US)
3rd August 2026
24AQI (US)
24AQI (US)
4th August 2026
34AQI (US)
34AQI (US)
5th August 2026
33AQI (US)
33AQI (US)
6th August 2026
42AQI (US)
42AQI (US)
7th August 2026
33AQI (US)
33AQI (US)
8th August 2026
28AQI (US)
28AQI (US)
9th August 2026
25AQI (US)
25AQI (US)
10th August 2026
41AQI (US)
41AQI (US)
11th August 2026
33AQI (US)
33AQI (US)
12th August 2026
30AQI (US)
30AQI (US)
13th August 2026
32AQI (US)
32AQI (US)
14th August 2026
25AQI (US)
25AQI (US)
15th August 2026
31AQI (US)
31AQI (US)
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
62AQI (US)
57AQI (US)
64AQI (US)
50AQI (US)
50AQI (US)
33AQI (US)
33AQI (US)
31AQI (US)
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202649AQI (US)
9
22
10
16
2
12
13
5
1
19
9
2
15
16
30
29
2
15
139
78
9
1
Highest AQI (US) recorded in
March64AQI (US)
Lowest AQI (US) recorded in
August31AQI (US)
202569AQI (US)
7
24
24
4
1
28
2
28
2
5
23
3
2
28
20
11
31
24
6
27
4
1
20
8
1
29
2
84
231
49
1
Highest AQI (US) recorded in
January114AQI (US)
Lowest AQI (US) recorded in
August39AQI (US)
202471AQI (US)
21
7
2
23
6
1
28
1
1
18
11
1
13
16
2
25
5
11
11
9
27
4
6
24
27
4
1
22
6
1
30
1
84
229
45
7
Highest AQI (US) recorded in
April90AQI (US)
Lowest AQI (US) recorded in
June41AQI (US)
202364AQI (US)
21
8
1
23
5
2
23
4
2
2
20
6
2
11
19
1
23
7
29
2
30
1
23
7
6
22
3
2
26
1
2
21
8
130
192
36
5
Highest AQI (US) recorded in
January88AQI (US)
Lowest AQI (US) recorded in
August37AQI (US)
202262AQI (US)
25
5
19
3
2
27
2
9
19
1
1
12
19
24
6
22
2
1
27
2
17
10
4
2
21
7
4
27
120
177
21
1
1
Highest AQI (US) recorded in
February82AQI (US)
Lowest AQI (US) recorded in
July32AQI (US)
202171AQI (US)
18
11
1
21
7
25
6
3
19
7
1
5
26
5
25
15
16
20
10
18
12
4
24
3
3
22
5
1
23
7
74
241
46
1
1
Highest AQI (US) recorded in
January98AQI (US)
Lowest AQI (US) recorded in
August46AQI (US)
202068AQI (US)
8
5
16
1
2
2
18
6
24
11
20
15
16
2
28
5
26
4
24
2
25
6
43
205
14
2
2
Highest AQI (US) recorded in
April96AQI (US)
Lowest AQI (US) recorded in
August53AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Most Polluted Year Recorded
2024(Avg.)
71AQI (US)Least Polluted Year Recorded
2026(Avg.)
49AQI (US)Star Electromechanical's annual 2026 AQI (US) (49) shows an average percentage change of -27.2% (improved AQI (US)) compared to previous years: 2020 (68), 2021 (71), 2022 (62), 2023 (64), 2024 (71), 2025 (69).
