West Union, Robinson, Illinois, United States 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
West Union, Robinson, Illinois, United States
2022
2023
2024
2025
2026
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
1st Aug 2025
88AQILowest AQI recorded on
10th Aug 2024
14AQISame Day Analysis (14th August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 2nd highest AQI at 37 of Good air quality, showing improvement over 2025 on the same day.
Day & Night AQI Trend: 14th Aug - 15th Aug 2026
West Union, Robinson, Illinois, United States
AQI
Day
Night
.
5 AM14th Aug 2026
8 PM
4 AM15th Aug 2026
Day time
Avg. Highest Time
8AM14th Aug
46AQI
Avg. Lowest Time
7PM14th Aug
23AQI
Night time
Avg. Highest Time
2AM15th Aug
51AQI
Avg. Lowest Time
5AM14th Aug
32AQI
In the last 24 hours,
West Union's AQI reached its highest point of 51 at 2 AM during the Night, while the lowest point, 23, was recorded at 7 PM during the Day between 14th Aug and 15th Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
West Union, Robinson, Illinois, United States
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 2026465 AMAQI
17th Jul 2026466 AMAQI
17th Jul 2026467 AMAQI
17th Jul 2026468 AMAQI
17th Jul 2026469 AMAQI
17th Jul 20264810 AMAQI
17th Jul 20264611 AMAQI
17th Jul 20264412 PMAQI
17th Jul 2026441 PMAQI
17th Jul 2026442 PMAQI
17th Jul 2026483 PMAQI
17th Jul 2026464 PMAQI
17th Jul 2026425 PMAQI
17th Jul 2026406 PMAQI
17th Jul 2026447 PMAQI
17th Jul 2026388 PMAQI
17th Jul 2026369 PMAQI
17th Jul 20263210 PMAQI
17th Jul 20264011 PMAQI
18th Jul 20264012 AMAQI
18th Jul 2026321 AMAQI
18th Jul 2026312 AMAQI
18th Jul 2026443 AMAQI
18th Jul 2026304 AMAQI
28°C23/32°C
18th Jul 2026385 AMAQI
18th Jul 2026346 AMAQI
18th Jul 2026307 AMAQI
18th Jul 2026468 AMAQI
18th Jul 2026409 AMAQI
18th Jul 20264210 AMAQI
18th Jul 20265011 AMAQI
18th Jul 20265312 PMAQI
18th Jul 2026531 PMAQI
18th Jul 2026532 PMAQI
18th Jul 2026523 PMAQI
18th Jul 2026524 PMAQI
18th Jul 2026535 PMAQI
18th Jul 2026506 PMAQI
18th Jul 2026447 PMAQI
18th Jul 2026468 PMAQI
18th Jul 2026469 PMAQI
18th Jul 20264210 PMAQI
18th Jul 20264411 PMAQI
19th Jul 20263812 AMAQI
19th Jul 2026511 AMAQI
19th Jul 2026422 AMAQI
19th Jul 2026573 AMAQI
19th Jul 2026534 AMAQI
28°C24/32°C
19th Jul 2026595 AMAQI
19th Jul 2026646 AMAQI
19th Jul 2026697 AMAQI
19th Jul 2026648 AMAQI
19th Jul 2026639 AMAQI
19th Jul 20264810 AMAQI
19th Jul 20265911 AMAQI
19th Jul 20264812 PMAQI
19th Jul 2026511 PMAQI
19th Jul 2026542 PMAQI
19th Jul 2026553 PMAQI
19th Jul 2026544 PMAQI
19th Jul 2026665 PMAQI
19th Jul 2026626 PMAQI
19th Jul 2026767 PMAQI
19th Jul 2026748 PMAQI
19th Jul 2026859 PMAQI
19th Jul 20268710 PMAQI
19th Jul 20269411 PMAQI
20th Jul 202610012 AMAQI
20th Jul 2026971 AMAQI
20th Jul 20261082 AMAQI
20th Jul 20261103 AMAQI
20th Jul 20261324 AMAQI
26°C22/32°C
20th Jul 20261185 AMAQI
20th Jul 20261106 AMAQI
20th Jul 20261147 AMAQI
20th Jul 20261028 AMAQI
20th Jul 20261069 AMAQI
20th Jul 202610910 AMAQI
20th Jul 202610211 AMAQI
20th Jul 20269212 PMAQI
20th Jul 2026881 PMAQI
20th Jul 2026832 PMAQI
20th Jul 2026763 PMAQI
20th Jul 2026764 PMAQI
20th Jul 2026765 PMAQI
20th Jul 2026926 PMAQI
20th Jul 2026847 PMAQI
20th Jul 2026908 PMAQI
20th Jul 2026859 PMAQI
20th Jul 20268411 PMAQI
21st Jul 20269612 AMAQI
21st Jul 2026781 AMAQI
21st Jul 2026852 AMAQI
21st Jul 2026823 AMAQI
21st Jul 2026744 AMAQI
26°C19/32°C
21st Jul 2026705 AMAQI
21st Jul 2026686 AMAQI
21st Jul 2026657 AMAQI
21st Jul 2026628 AMAQI
21st Jul 2026649 AMAQI
21st Jul 20265610 AMAQI
21st Jul 20265111 AMAQI
21st Jul 20265412 PMAQI
21st Jul 2026541 PMAQI
21st Jul 2026522 PMAQI
21st Jul 2026563 PMAQI
21st Jul 2026534 PMAQI
21st Jul 2026555 PMAQI
21st Jul 2026636 PMAQI
21st Jul 2026577 PMAQI
21st Jul 2026518 PMAQI
21st Jul 2026529 PMAQI
21st Jul 20265410 PMAQI
21st Jul 20265111 PMAQI
22nd Jul 20263812 AMAQI
22nd Jul 2026521 AMAQI
22nd Jul 2026522 AMAQI
22nd Jul 2026403 AMAQI
22nd Jul 2026244 AMAQI
27°C23/33°C
22nd Jul 2026505 AMAQI
22nd Jul 2026276 AMAQI
22nd Jul 2026277 AMAQI
22nd Jul 2026258 AMAQI
22nd Jul 2026409 AMAQI
22nd Jul 20265410 AMAQI
22nd Jul 20265011 AMAQI
22nd Jul 20265212 PMAQI
22nd Jul 2026461 PMAQI
22nd Jul 2026462 PMAQI
22nd Jul 2026463 PMAQI
22nd Jul 2026464 PMAQI
22nd Jul 2026465 PMAQI
22nd Jul 2026466 PMAQI
22nd Jul 2026467 PMAQI
22nd Jul 2026238 PMAQI
22nd Jul 2026299 PMAQI
22nd Jul 20264610 PMAQI
22nd Jul 20263411 PMAQI
23rd Jul 20262112 AMAQI
23rd Jul 2026251 AMAQI
23rd Jul 2026302 AMAQI
23rd Jul 2026363 AMAQI
23rd Jul 2026274 AMAQI
22°C18/25°C
23rd Jul 2026465 AMAQI
23rd Jul 2026216 AMAQI
23rd Jul 2026387 AMAQI
23rd Jul 2026298 AMAQI
23rd Jul 2026369 AMAQI
23rd Jul 20264210 AMAQI
23rd Jul 20263311 AMAQI
23rd Jul 20263612 PMAQI
23rd Jul 2026401 PMAQI
23rd Jul 2026382 PMAQI
23rd Jul 2026363 PMAQI
23rd Jul 2026254 PMAQI
23rd Jul 2026385 PMAQI
23rd Jul 2026216 PMAQI
23rd Jul 2026387 PMAQI
23rd Jul 2026348 PMAQI
23rd Jul 2026259 PMAQI
23rd Jul 20262110 PMAQI
23rd Jul 20263311 PMAQI
24th Jul 20263812 AMAQI
24th Jul 2026381 AMAQI
24th Jul 2026342 AMAQI
24th Jul 2026253 AMAQI
24th Jul 2026344 AMAQI
20°C14/27°C
24th Jul 2026425 AMAQI
24th Jul 2026326 AMAQI
24th Jul 2026307 AMAQI
24th Jul 2026368 AMAQI
24th Jul 2026279 AMAQI
24th Jul 20263810 AMAQI
24th Jul 20262911 AMAQI
24th Jul 20262912 PMAQI
24th Jul 2026291 PMAQI
24th Jul 2026462 PMAQI
24th Jul 2026483 PMAQI
24th Jul 2026274 PMAQI
24th Jul 2026255 PMAQI
24th Jul 2026466 PMAQI
24th Jul 2026277 PMAQI
24th Jul 2026238 PMAQI
24th Jul 2026509 PMAQI
24th Jul 20262910 PMAQI
24th Jul 20264211 PMAQI
25th Jul 20264212 AMAQI
25th Jul 2026441 AMAQI
25th Jul 2026422 AMAQI
25th Jul 2026543 AMAQI
25th Jul 2026504 AMAQI
22°C14/28°C
25th Jul 2026555 AMAQI
25th Jul 2026446 AMAQI
25th Jul 2026507 AMAQI
25th Jul 2026488 AMAQI
25th Jul 2026469 AMAQI
25th Jul 20264010 AMAQI
25th Jul 20262511 AMAQI
25th Jul 20263812 PMAQI
25th Jul 2026421 PMAQI
25th Jul 2026292 PMAQI
25th Jul 2026403 PMAQI
25th Jul 2026464 PMAQI
25th Jul 2026515 PMAQI
25th Jul 2026526 PMAQI
25th Jul 2026487 PMAQI
25th Jul 2026518 PMAQI
25th Jul 2026469 PMAQI
25th Jul 20264810 PMAQI
25th Jul 20265011 PMAQI
26th Jul 20265212 AMAQI
26th Jul 2026501 AMAQI
26th Jul 2026512 AMAQI
26th Jul 2026473 AMAQI
26th Jul 2026484 AMAQI
22°C19/25°C
26th Jul 2026485 AMAQI
26th Jul 2026516 AMAQI
26th Jul 2026507 AMAQI
26th Jul 2026508 AMAQI
26th Jul 2026489 AMAQI
26th Jul 20264810 AMAQI
26th Jul 20264711 AMAQI
26th Jul 20265412 PMAQI
26th Jul 2026511 PMAQI
26th Jul 2026522 PMAQI
26th Jul 2026523 PMAQI
26th Jul 2026534 PMAQI
26th Jul 2026545 PMAQI
26th Jul 2026546 PMAQI
26th Jul 2026597 PMAQI
26th Jul 2026588 PMAQI
26th Jul 2026659 PMAQI
26th Jul 20266810 PMAQI
26th Jul 20265711 PMAQI
27th Jul 20265312 AMAQI
27th Jul 2026461 AMAQI
27th Jul 2026462 AMAQI
27th Jul 2026463 AMAQI
27th Jul 2026424 AMAQI
26°C21/33°C
27th Jul 2026455 AMAQI
27th Jul 2026526 AMAQI
27th Jul 2026507 AMAQI
27th Jul 2026538 AMAQI
27th Jul 2026499 AMAQI
27th Jul 20263810 AMAQI
27th Jul 20264211 AMAQI
27th Jul 20264212 PMAQI
27th Jul 2026381 PMAQI
27th Jul 2026512 PMAQI
27th Jul 2026523 PMAQI
27th Jul 2026544 PMAQI
27th Jul 2026505 PMAQI
27th Jul 2026526 PMAQI
27th Jul 2026527 PMAQI
27th Jul 2026538 PMAQI
27th Jul 2026489 PMAQI
27th Jul 20264410 PMAQI
27th Jul 20264611 PMAQI
28th Jul 20264212 AMAQI
28th Jul 2026441 AMAQI
28th Jul 2026442 AMAQI
28th Jul 2026443 AMAQI
28th Jul 2026444 AMAQI
28°C22/36°C
28th Jul 2026485 AMAQI
28th Jul 2026446 AMAQI
28th Jul 2026467 AMAQI
28th Jul 2026508 AMAQI
28th Jul 2026489 AMAQI
28th Jul 20264610 AMAQI
28th Jul 20264911 AMAQI
28th Jul 20265012 PMAQI
28th Jul 2026521 PMAQI
28th Jul 2026502 PMAQI
28th Jul 2026513 PMAQI
28th Jul 2026504 PMAQI
28th Jul 2026495 PMAQI
28th Jul 2026486 PMAQI
28th Jul 2026487 PMAQI
28th Jul 2026508 PMAQI
28th Jul 2026519 PMAQI
28th Jul 20265310 PMAQI
28th Jul 20265211 PMAQI
29th Jul 20264412 AMAQI
29th Jul 2026501 AMAQI
29th Jul 2026482 AMAQI
29th Jul 2026443 AMAQI
29th Jul 2026444 AMAQI
27°C21/32°C
29th Jul 2026495 AMAQI
29th Jul 2026506 AMAQI
29th Jul 2026487 AMAQI
29th Jul 2026488 AMAQI
29th Jul 2026489 AMAQI
29th Jul 20264610 AMAQI
29th Jul 20264411 AMAQI
29th Jul 20264812 PMAQI
29th Jul 2026481 PMAQI
29th Jul 2026482 PMAQI
29th Jul 2026483 PMAQI
29th Jul 2026404 PMAQI
29th Jul 2026465 PMAQI
29th Jul 2026386 PMAQI
29th Jul 2026487 PMAQI
29th Jul 2026488 PMAQI
29th Jul 2026509 PMAQI
29th Jul 20265010 PMAQI
29th Jul 20264811 PMAQI
30th Jul 20264812 AMAQI
30th Jul 2026461 AMAQI
30th Jul 2026482 AMAQI
30th Jul 2026513 AMAQI
30th Jul 2026484 AMAQI
23°C16/31°C
30th Jul 2026465 AMAQI
30th Jul 2026486 AMAQI
30th Jul 2026467 AMAQI
30th Jul 2026488 AMAQI
30th Jul 2026449 AMAQI
30th Jul 20262710 AMAQI
30th Jul 20263611 AMAQI
30th Jul 20263612 PMAQI
30th Jul 2026331 PMAQI
30th Jul 2026252 PMAQI
30th Jul 2026253 PMAQI
30th Jul 2026324 PMAQI
30th Jul 2026345 PMAQI
30th Jul 2026236 PMAQI
30th Jul 2026347 PMAQI
30th Jul 2026258 PMAQI
30th Jul 2026339 PMAQI
30th Jul 20263810 PMAQI
30th Jul 20264411 PMAQI
31st Jul 20263212 AMAQI
31st Jul 2026461 AMAQI
31st Jul 2026342 AMAQI
31st Jul 2026323 AMAQI
31st Jul 2026364 AMAQI
24°C17/30°C
31st Jul 2026425 AMAQI
31st Jul 2026406 AMAQI
31st Jul 2026447 AMAQI
31st Jul 2026508 AMAQI
31st Jul 2026369 AMAQI
31st Jul 20263810 AMAQI
31st Jul 20262511 AMAQI
31st Jul 20262512 PMAQI
31st Jul 2026301 PMAQI
31st Jul 2026302 PMAQI
31st Jul 2026323 PMAQI
31st Jul 2026304 PMAQI
31st Jul 2026405 PMAQI
31st Jul 2026216 PMAQI
31st Jul 2026297 PMAQI
31st Jul 2026298 PMAQI
31st Jul 2026259 PMAQI
31st Jul 20263810 PMAQI
31st Jul 20264611 PMAQI
1st Aug 20264612 AMAQI
1st Aug 2026461 AMAQI
1st Aug 2026462 AMAQI
1st Aug 2026213 AMAQI
1st Aug 2026324 AMAQI
24°C17/30°C
1st Aug 2026445 AMAQI
1st Aug 2026346 AMAQI
1st Aug 2026427 AMAQI
1st Aug 2026408 AMAQI
1st Aug 2026219 AMAQI
1st Aug 20263810 AMAQI
1st Aug 20264011 AMAQI
1st Aug 20264012 PMAQI
1st Aug 2026421 PMAQI
1st Aug 2026402 PMAQI
1st Aug 2026213 PMAQI
1st Aug 2026274 PMAQI
1st Aug 2026405 PMAQI
1st Aug 2026256 PMAQI
1st Aug 2026367 PMAQI
1st Aug 2026408 PMAQI
1st Aug 2026279 PMAQI
1st Aug 20263410 PMAQI
1st Aug 20263611 PMAQI
2nd Aug 20264212 AMAQI
2nd Aug 2026421 AMAQI
2nd Aug 2026422 AMAQI
2nd Aug 2026403 AMAQI
2nd Aug 2026324 AMAQI
22°C21/25°C
2nd Aug 2026325 AMAQI
2nd Aug 2026386 AMAQI
2nd Aug 2026427 AMAQI
2nd Aug 2026448 AMAQI
2nd Aug 2026469 AMAQI
2nd Aug 20264810 AMAQI
2nd Aug 20264611 AMAQI
2nd Aug 20264612 PMAQI
2nd Aug 2026501 PMAQI
2nd Aug 2026332 PMAQI
2nd Aug 2026363 PMAQI
2nd Aug 2026444 PMAQI
2nd Aug 2026445 PMAQI
2nd Aug 2026466 PMAQI
2nd Aug 2026447 PMAQI
2nd Aug 2026428 PMAQI
2nd Aug 2026469 PMAQI
2nd Aug 20264610 PMAQI
2nd Aug 20264811 PMAQI
3rd Aug 20264012 AMAQI
3rd Aug 2026441 AMAQI
3rd Aug 2026462 AMAQI
3rd Aug 2026443 AMAQI
3rd Aug 2026464 AMAQI
22°C20/27°C
3rd Aug 2026445 AMAQI
3rd Aug 2026446 AMAQI
3rd Aug 2026467 AMAQI
3rd Aug 2026498 AMAQI
3rd Aug 2026489 AMAQI
3rd Aug 20264210 AMAQI
3rd Aug 20264411 AMAQI
3rd Aug 20264212 PMAQI
3rd Aug 2026401 PMAQI
3rd Aug 2026442 PMAQI
3rd Aug 2026443 PMAQI
3rd Aug 2026444 PMAQI
3rd Aug 2026465 PMAQI
3rd Aug 2026486 PMAQI
3rd Aug 2026427 PMAQI
3rd Aug 2026238 PMAQI
3rd Aug 2026449 PMAQI
3rd Aug 20264610 PMAQI
3rd Aug 20265111 PMAQI
4th Aug 20264612 AMAQI
4th Aug 2026461 AMAQI
4th Aug 2026322 AMAQI
4th Aug 2026423 AMAQI
4th Aug 2026364 AMAQI
23°C17/30°C
4th Aug 2026315 AMAQI
4th Aug 2026346 AMAQI
4th Aug 2026457 AMAQI
4th Aug 2026478 AMAQI
4th Aug 2026469 AMAQI
4th Aug 20264810 AMAQI
4th Aug 20264411 AMAQI
4th Aug 20263412 PMAQI
4th Aug 2026271 PMAQI
4th Aug 2026232 PMAQI
4th Aug 2026383 PMAQI
4th Aug 2026404 PMAQI
4th Aug 2026315 PMAQI
4th Aug 2026216 PMAQI
4th Aug 2026407 PMAQI
4th Aug 2026508 PMAQI
4th Aug 2026409 PMAQI
4th Aug 20263810 PMAQI
4th Aug 20263311 PMAQI
5th Aug 20262312 AMAQI
5th Aug 2026401 AMAQI
5th Aug 2026382 AMAQI
5th Aug 2026403 AMAQI
5th Aug 2026424 AMAQI
24°C16/31°C
5th Aug 2026365 AMAQI
5th Aug 2026506 AMAQI
5th Aug 2026347 AMAQI
5th Aug 2026318 AMAQI
5th Aug 2026529 AMAQI
5th Aug 20262310 AMAQI
5th Aug 20262711 AMAQI
5th Aug 20264412 PMAQI
5th Aug 2026531 PMAQI
5th Aug 2026462 PMAQI
5th Aug 2026403 PMAQI
5th Aug 2026424 PMAQI
5th Aug 2026425 PMAQI
5th Aug 2026406 PMAQI
5th Aug 2026407 PMAQI
5th Aug 2026368 PMAQI
5th Aug 2026279 PMAQI
5th Aug 20264010 PMAQI
5th Aug 20265011 PMAQI
6th Aug 20263812 AMAQI
6th Aug 2026461 AMAQI
6th Aug 2026232 AMAQI
6th Aug 2026363 AMAQI
6th Aug 2026454 AMAQI
24°C16/32°C
6th Aug 2026295 AMAQI
6th Aug 2026256 AMAQI
6th Aug 2026547 AMAQI
6th Aug 2026408 AMAQI
6th Aug 2026509 AMAQI
6th Aug 20265510 AMAQI
6th Aug 20265411 AMAQI
6th Aug 20265512 PMAQI
6th Aug 2026541 PMAQI
6th Aug 2026512 PMAQI
6th Aug 2026493 PMAQI
6th Aug 2026444 PMAQI
6th Aug 2026425 PMAQI
6th Aug 2026406 PMAQI
6th Aug 2026447 PMAQI
6th Aug 2026448 PMAQI
6th Aug 2026449 PMAQI
6th Aug 20264210 PMAQI
6th Aug 20264011 PMAQI
7th Aug 20264012 AMAQI
7th Aug 2026421 AMAQI
7th Aug 2026302 AMAQI
7th Aug 2026423 AMAQI
7th Aug 2026424 AMAQI
24°C20/28°C
7th Aug 2026385 AMAQI
7th Aug 2026386 AMAQI
7th Aug 2026297 AMAQI
7th Aug 2026328 AMAQI
7th Aug 2026529 AMAQI
7th Aug 20263310 AMAQI
7th Aug 20263611 AMAQI
7th Aug 20265012 PMAQI
7th Aug 2026521 PMAQI
7th Aug 2026582 PMAQI
7th Aug 2026513 PMAQI
7th Aug 2026424 PMAQI
7th Aug 2026465 PMAQI
7th Aug 2026536 PMAQI
7th Aug 2026517 PMAQI
7th Aug 2026508 PMAQI
7th Aug 2026469 PMAQI
7th Aug 20264810 PMAQI
7th Aug 20264911 PMAQI
8th Aug 20264412 AMAQI
8th Aug 2026441 AMAQI
8th Aug 2026462 AMAQI
8th Aug 2026443 AMAQI
8th Aug 2026464 AMAQI
26°C19/32°C
8th Aug 2026445 AMAQI
8th Aug 2026426 AMAQI
8th Aug 2026427 AMAQI
8th Aug 2026408 AMAQI
8th Aug 2026489 AMAQI
8th Aug 20264610 AMAQI
8th Aug 20264211 AMAQI
8th Aug 20264412 PMAQI
8th Aug 2026441 PMAQI
8th Aug 2026462 PMAQI
8th Aug 2026503 PMAQI
8th Aug 2026504 PMAQI
8th Aug 2026595 PMAQI
8th Aug 2026556 PMAQI
8th Aug 2026537 PMAQI
8th Aug 2026468 PMAQI
8th Aug 2026429 PMAQI
8th Aug 20264010 PMAQI
8th Aug 20263811 PMAQI
9th Aug 20264012 AMAQI
9th Aug 2026441 AMAQI
9th Aug 2026462 AMAQI
9th Aug 2026463 AMAQI
9th Aug 2026384 AMAQI
28°C22/34°C
9th Aug 2026465 AMAQI
9th Aug 2026336 AMAQI
9th Aug 2026407 AMAQI
9th Aug 2026448 AMAQI
9th Aug 2026429 AMAQI
9th Aug 20264210 AMAQI
9th Aug 20263811 AMAQI
9th Aug 20263312 PMAQI
9th Aug 2026441 PMAQI
9th Aug 2026422 PMAQI
9th Aug 2026443 PMAQI
9th Aug 2026424 PMAQI
9th Aug 2026465 PMAQI
9th Aug 2026406 PMAQI
9th Aug 2026407 PMAQI
9th Aug 2026448 PMAQI
9th Aug 2026449 PMAQI
9th Aug 20263810 PMAQI
9th Aug 20263811 PMAQI
10th Aug 20264012 AMAQI
10th Aug 2026421 AMAQI
10th Aug 2026382 AMAQI
10th Aug 2026423 AMAQI
10th Aug 2026384 AMAQI
27°C21/33°C
10th Aug 2026385 AMAQI
10th Aug 2026386 AMAQI
10th Aug 2026387 AMAQI
10th Aug 2026408 AMAQI
10th Aug 2026429 AMAQI
10th Aug 20264210 AMAQI
10th Aug 20264011 AMAQI
10th Aug 20263812 PMAQI
10th Aug 2026401 PMAQI
10th Aug 2026442 PMAQI
10th Aug 2026443 PMAQI
10th Aug 2026444 PMAQI
10th Aug 2026405 PMAQI
10th Aug 2026466 PMAQI
10th Aug 2026447 PMAQI
10th Aug 2026448 PMAQI
10th Aug 2026539 PMAQI
10th Aug 20264210 PMAQI
10th Aug 20264211 PMAQI
11th Aug 20264612 AMAQI
11th Aug 2026421 AMAQI
11th Aug 2026422 AMAQI
11th Aug 2026423 AMAQI
11th Aug 2026444 AMAQI
29°C24/35°C
11th Aug 2026425 AMAQI
11th Aug 2026406 AMAQI
11th Aug 2026427 AMAQI
11th Aug 2026448 AMAQI
11th Aug 2026449 AMAQI
11th Aug 20264610 AMAQI
11th Aug 20264011 AMAQI
11th Aug 20264012 PMAQI
11th Aug 2026461 PMAQI
11th Aug 2026442 PMAQI
11th Aug 2026423 PMAQI
11th Aug 2026464 PMAQI
11th Aug 2026425 PMAQI
11th Aug 2026426 PMAQI
11th Aug 2026427 PMAQI
11th Aug 2026448 PMAQI
11th Aug 2026449 PMAQI
11th Aug 20264210 PMAQI
11th Aug 20264211 PMAQI
12th Aug 20262712 AMAQI
12th Aug 2026401 AMAQI
12th Aug 2026212 AMAQI
12th Aug 2026403 AMAQI
12th Aug 2026324 AMAQI
28°C22/35°C
12th Aug 2026405 AMAQI
12th Aug 2026406 AMAQI
12th Aug 2026407 AMAQI
12th Aug 2026428 AMAQI
12th Aug 2026509 AMAQI
12th Aug 20264210 AMAQI
12th Aug 20264211 AMAQI
12th Aug 20265212 PMAQI
12th Aug 2026381 PMAQI
12th Aug 2026382 PMAQI
12th Aug 2026233 PMAQI
12th Aug 2026464 PMAQI
12th Aug 2026255 PMAQI
12th Aug 2026346 PMAQI
12th Aug 2026257 PMAQI
12th Aug 2026468 PMAQI
12th Aug 2026529 PMAQI
12th Aug 20264410 PMAQI
12th Aug 20263211 PMAQI
13th Aug 20262512 AMAQI
13th Aug 2026271 AMAQI
13th Aug 2026292 AMAQI
13th Aug 2026343 AMAQI
13th Aug 2026304 AMAQI
25°C21/34°C
13th Aug 2026335 AMAQI
13th Aug 2026336 AMAQI
13th Aug 2026257 AMAQI
13th Aug 2026258 AMAQI
13th Aug 2026429 AMAQI
13th Aug 20264010 AMAQI
13th Aug 20263211 AMAQI
13th Aug 20263012 PMAQI
13th Aug 2026271 PMAQI
13th Aug 2026442 PMAQI
13th Aug 2026423 PMAQI
13th Aug 2026484 PMAQI
13th Aug 2026485 PMAQI
13th Aug 2026446 PMAQI
13th Aug 2026427 PMAQI
13th Aug 2026488 PMAQI
13th Aug 2026429 PMAQI
13th Aug 20264210 PMAQI
13th Aug 20264211 PMAQI
14th Aug 20263812 AMAQI
14th Aug 2026421 AMAQI
14th Aug 2026382 AMAQI
14th Aug 2026443 AMAQI
14th Aug 2026304 AMAQI
28°C21/35°C
14th Aug 2026325 AMAQI
14th Aug 2026366 AMAQI
14th Aug 2026297 AMAQI
14th Aug 2026468 AMAQI
14th Aug 2026349 AMAQI
14th Aug 20263610 AMAQI
14th Aug 20263611 AMAQI
14th Aug 20264412 PMAQI
14th Aug 2026361 PMAQI
14th Aug 2026442 PMAQI
14th Aug 2026323 PMAQI
14th Aug 2026294 PMAQI
14th Aug 2026305 PMAQI
14th Aug 2026326 PMAQI
14th Aug 2026237 PMAQI
14th Aug 2026388 PMAQI
14th Aug 2026449 PMAQI
14th Aug 20264010 PMAQI
14th Aug 20264811 PMAQI
15th Aug 20265012 AMAQI
15th Aug 2026501 AMAQI
15th Aug 2026512 AMAQI
15th Aug 2026443 AMAQI
15th Aug 2026384 AMAQI
25°C22/32°C
15th Aug 2026345 AMAQI
5 AM15th Aug 2026466 AMAQI
15th Aug 2026407 AMAQI
15th Aug 2026468 AMAQI
15th Aug 2026469 AMAQI
15th Aug 20264910 AMAQI
15th Aug 20265211 AMAQI
15th Aug 20265212 PMAQI
12 PM15th Aug 2026551 PMAQI
15th Aug 2026572 PMAQI
15th Aug 2026563 PMAQI
15th Aug 2026564 PMAQI
15th Aug 2026625 PMAQI
15th Aug 2026576 PMAQI
15th Aug 2026627 PMAQI
8 PM
12 AM
4 AM
27°C21/34°C
Day time
Avg. Highest Time
7 AM - 9 AM
46AQI
3 hours / Day
90 hours / Month
Avg. Lowest Time
6 AM
43AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 7 AM to 9 AM (Avg. 46), while the lowest AQI was between 6 AM to 6 AM (Avg. 43).
Night time
Avg. Highest Time
11 PM
47AQI
1 hours / Day
30 hours / Month
Avg. Lowest Time
12 AM
43AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 11 PM to 11 PM (Avg. 47), while the lowest AQI was between 12 AM to 12 AM (Avg. 43).
2026 Days Vs Air Quality
West Union, Robinson, Illinois, United States
2026
91%
204
9%
19
Total number of days with different AQI categories in last 227 days in 2026 (138 days remaining)
Good
204 DaysModerate
19 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 91%
Health Risk Level:
Very Low
In 2026, 91% of 227 days were within WHO’s safe air quality limits. The risk of health issues is Very Low, but health impacts are still unclear.
Annual Air Quality Insights
West Union, Robinson, Illinois, United States
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
30AQI (US)
30AQI (US)
2nd January 2026
39AQI (US)
39AQI (US)
3rd January 2026
51AQI (US)
51AQI (US)
4th January 2026
70AQI (US)
70AQI (US)
5th January 2026
54AQI (US)
54AQI (US)
6th January 2026
54AQI (US)
54AQI (US)
7th January 2026
56AQI (US)
56AQI (US)
8th January 2026
61AQI (US)
61AQI (US)
9th January 2026
30AQI (US)
30AQI (US)
10th January 2026
22AQI (US)
22AQI (US)
11th January 2026
20AQI (US)
20AQI (US)
12th January 2026
27AQI (US)
27AQI (US)
13th January 2026
32AQI (US)
32AQI (US)
14th January 2026
14AQI (US)
14AQI (US)
15th January 2026
15AQI (US)
15AQI (US)
16th January 2026
26AQI (US)
26AQI (US)
17th January 2026
22AQI (US)
22AQI (US)
18th January 2026
20AQI (US)
20AQI (US)
19th January 2026
18AQI (US)
18AQI (US)
20th January 2026
24AQI (US)
24AQI (US)
21st January 2026
38AQI (US)
38AQI (US)
22nd January 2026
55AQI (US)
55AQI (US)
23rd January 2026
55AQI (US)
55AQI (US)
24th January 2026
49AQI (US)
49AQI (US)
25th January 2026
49AQI (US)
49AQI (US)
26th January 2026
47AQI (US)
47AQI (US)
27th January 2026
37AQI (US)
37AQI (US)
28th January 2026
45AQI (US)
45AQI (US)
29th January 2026
53AQI (US)
53AQI (US)
30th January 2026
57AQI (US)
57AQI (US)
31st January 2026
43AQI (US)
43AQI (US)
1st February 2026
44AQI (US)
44AQI (US)
2nd February 2026
49AQI (US)
49AQI (US)
3rd February 2026
48AQI (US)
48AQI (US)
4th February 2026
45AQI (US)
45AQI (US)
5th February 2026
49AQI (US)
49AQI (US)
6th February 2026
43AQI (US)
43AQI (US)
7th February 2026
40AQI (US)
40AQI (US)
8th February 2026
44AQI (US)
44AQI (US)
9th February 2026
39AQI (US)
39AQI (US)
10th February 2026
38AQI (US)
38AQI (US)
11th February 2026
26AQI (US)
26AQI (US)
12th February 2026
24AQI (US)
24AQI (US)
13th February 2026
30AQI (US)
30AQI (US)
14th February 2026
29AQI (US)
29AQI (US)
15th February 2026
29AQI (US)
29AQI (US)
16th February 2026
32AQI (US)
32AQI (US)
17th February 2026
34AQI (US)
34AQI (US)
18th February 2026
38AQI (US)
38AQI (US)
19th February 2026
36AQI (US)
36AQI (US)
20th February 2026
28AQI (US)
28AQI (US)
21st February 2026
36AQI (US)
36AQI (US)
22nd February 2026
34AQI (US)
34AQI (US)
23rd February 2026
40AQI (US)
40AQI (US)
24th February 2026
34AQI (US)
34AQI (US)
25th February 2026
36AQI (US)
36AQI (US)
26th February 2026
28AQI (US)
28AQI (US)
27th February 2026
26AQI (US)
26AQI (US)
28th February 2026
25AQI (US)
25AQI (US)
1st March 2026
29AQI (US)
29AQI (US)
2nd March 2026
44AQI (US)
44AQI (US)
3rd March 2026
26AQI (US)
26AQI (US)
4th March 2026
38AQI (US)
38AQI (US)
5th March 2026
33AQI (US)
33AQI (US)
6th March 2026
18AQI (US)
18AQI (US)
7th March 2026
34AQI (US)
34AQI (US)
8th March 2026
36AQI (US)
36AQI (US)
9th March 2026
32AQI (US)
32AQI (US)
10th March 2026
28AQI (US)
28AQI (US)
11th March 2026
35AQI (US)
35AQI (US)
12th March 2026
38AQI (US)
38AQI (US)
13th March 2026
35AQI (US)
35AQI (US)
14th March 2026
25AQI (US)
25AQI (US)
15th March 2026
17AQI (US)
17AQI (US)
16th March 2026
36AQI (US)
36AQI (US)
17th March 2026
31AQI (US)
31AQI (US)
18th March 2026
25AQI (US)
25AQI (US)
19th March 2026
30AQI (US)
30AQI (US)
20th March 2026
38AQI (US)
38AQI (US)
21st March 2026
31AQI (US)
31AQI (US)
22nd March 2026
30AQI (US)
30AQI (US)
23rd March 2026
37AQI (US)
37AQI (US)
24th March 2026
27AQI (US)
27AQI (US)
25th March 2026
29AQI (US)
29AQI (US)
26th March 2026
33AQI (US)
33AQI (US)
27th March 2026
22AQI (US)
22AQI (US)
28th March 2026
20AQI (US)
20AQI (US)
29th March 2026
20AQI (US)
20AQI (US)
30th March 2026
20AQI (US)
20AQI (US)
31st March 2026
25AQI (US)
25AQI (US)
1st April 2026
23AQI (US)
23AQI (US)
2nd April 2026
18AQI (US)
18AQI (US)
3rd April 2026
17AQI (US)
17AQI (US)
4th April 2026
25AQI (US)
25AQI (US)
5th April 2026
29AQI (US)
29AQI (US)
6th April 2026
28AQI (US)
28AQI (US)
7th April 2026
24AQI (US)
24AQI (US)
8th April 2026
30AQI (US)
30AQI (US)
9th April 2026
27AQI (US)
27AQI (US)
10th April 2026
32AQI (US)
32AQI (US)
11th April 2026
30AQI (US)
30AQI (US)
12th April 2026
26AQI (US)
26AQI (US)
13th April 2026
25AQI (US)
25AQI (US)
14th April 2026
25AQI (US)
25AQI (US)
15th April 2026
29AQI (US)
29AQI (US)
16th April 2026
23AQI (US)
23AQI (US)
17th April 2026
18th April 2026
24AQI (US)
24AQI (US)
19th April 2026
29AQI (US)
29AQI (US)
20th April 2026
23AQI (US)
23AQI (US)
21st April 2026
19AQI (US)
19AQI (US)
22nd April 2026
23rd April 2026
27AQI (US)
27AQI (US)
24th April 2026
26AQI (US)
26AQI (US)
25th April 2026
19AQI (US)
19AQI (US)
26th April 2026
23AQI (US)
23AQI (US)
27th April 2026
22AQI (US)
22AQI (US)
28th April 2026
20AQI (US)
20AQI (US)
29th April 2026
24AQI (US)
24AQI (US)
30th April 2026
25AQI (US)
25AQI (US)
1st May 2026
21AQI (US)
21AQI (US)
2nd May 2026
16AQI (US)
16AQI (US)
3rd May 2026
20AQI (US)
20AQI (US)
4th May 2026
33AQI (US)
33AQI (US)
5th May 2026
33AQI (US)
33AQI (US)
6th May 2026
26AQI (US)
26AQI (US)
7th May 2026
21AQI (US)
21AQI (US)
8th May 2026
24AQI (US)
24AQI (US)
9th May 2026
10th May 2026
24AQI (US)
24AQI (US)
11th May 2026
19AQI (US)
19AQI (US)
12th May 2026
25AQI (US)
25AQI (US)
13th May 2026
34AQI (US)
34AQI (US)
14th May 2026
19AQI (US)
19AQI (US)
15th May 2026
38AQI (US)
38AQI (US)
16th May 2026
49AQI (US)
49AQI (US)
17th May 2026
52AQI (US)
52AQI (US)
18th May 2026
56AQI (US)
56AQI (US)
19th May 2026
54AQI (US)
54AQI (US)
20th May 2026
50AQI (US)
50AQI (US)
21st May 2026
34AQI (US)
34AQI (US)
22nd May 2026
43AQI (US)
43AQI (US)
23rd May 2026
47AQI (US)
47AQI (US)
24th May 2026
45AQI (US)
45AQI (US)
25th May 2026
38AQI (US)
38AQI (US)
26th May 2026
20AQI (US)
20AQI (US)
27th May 2026
17AQI (US)
17AQI (US)
28th May 2026
21AQI (US)
21AQI (US)
29th May 2026
20AQI (US)
20AQI (US)
30th May 2026
27AQI (US)
27AQI (US)
31st May 2026
15AQI (US)
15AQI (US)
1st June 2026
22AQI (US)
22AQI (US)
2nd June 2026
17AQI (US)
17AQI (US)
3rd June 2026
20AQI (US)
20AQI (US)
4th June 2026
25AQI (US)
25AQI (US)
5th June 2026
23AQI (US)
23AQI (US)
6th June 2026
23AQI (US)
23AQI (US)
7th June 2026
22AQI (US)
22AQI (US)
8th June 2026
15AQI (US)
15AQI (US)
9th June 2026
19AQI (US)
19AQI (US)
10th June 2026
21AQI (US)
21AQI (US)
11th June 2026
17AQI (US)
17AQI (US)
12th June 2026
16AQI (US)
16AQI (US)
13th June 2026
19AQI (US)
19AQI (US)
14th June 2026
15AQI (US)
15AQI (US)
15th June 2026
16AQI (US)
16AQI (US)
16th June 2026
17AQI (US)
17AQI (US)
17th June 2026
18AQI (US)
18AQI (US)
18th June 2026
36AQI (US)
36AQI (US)
19th June 2026
26AQI (US)
26AQI (US)
20th June 2026
16AQI (US)
16AQI (US)
21st June 2026
21AQI (US)
21AQI (US)
22nd June 2026
21AQI (US)
21AQI (US)
23rd June 2026
14AQI (US)
14AQI (US)
24th June 2026
17AQI (US)
17AQI (US)
25th June 2026
14AQI (US)
14AQI (US)
26th June 2026
19AQI (US)
19AQI (US)
27th June 2026
24AQI (US)
24AQI (US)
28th June 2026
22AQI (US)
22AQI (US)
29th June 2026
35AQI (US)
35AQI (US)
30th June 2026
55AQI (US)
55AQI (US)
1st July 2026
57AQI (US)
57AQI (US)
2nd July 2026
36AQI (US)
36AQI (US)
3rd July 2026
30AQI (US)
30AQI (US)
4th July 2026
22AQI (US)
22AQI (US)
5th July 2026
27AQI (US)
27AQI (US)
6th July 2026
21AQI (US)
21AQI (US)
7th July 2026
22AQI (US)
22AQI (US)
8th July 2026
20AQI (US)
20AQI (US)
9th July 2026
21AQI (US)
21AQI (US)
10th July 2026
12AQI (US)
12AQI (US)
11th July 2026
12AQI (US)
12AQI (US)
12th July 2026
12AQI (US)
12AQI (US)
13th July 2026
18AQI (US)
18AQI (US)
14th July 2026
15AQI (US)
15AQI (US)
15th July 2026
16AQI (US)
16AQI (US)
16th July 2026
13AQI (US)
13AQI (US)
17th July 2026
39AQI (US)
39AQI (US)
18th July 2026
44AQI (US)
44AQI (US)
19th July 2026
61AQI (US)
61AQI (US)
20th July 2026
97AQI (US)
97AQI (US)
21st July 2026
63AQI (US)
63AQI (US)
22nd July 2026
41AQI (US)
41AQI (US)
23rd July 2026
32AQI (US)
32AQI (US)
24th July 2026
34AQI (US)
34AQI (US)
25th July 2026
45AQI (US)
45AQI (US)
26th July 2026
53AQI (US)
53AQI (US)
27th July 2026
48AQI (US)
48AQI (US)
28th July 2026
48AQI (US)
48AQI (US)
29th July 2026
47AQI (US)
47AQI (US)
30th July 2026
38AQI (US)
38AQI (US)
31st July 2026
35AQI (US)
35AQI (US)
1st August 2026
36AQI (US)
36AQI (US)
2nd August 2026
42AQI (US)
42AQI (US)
3rd August 2026
44AQI (US)
44AQI (US)
4th August 2026
38AQI (US)
38AQI (US)
5th August 2026
39AQI (US)
39AQI (US)
6th August 2026
44AQI (US)
44AQI (US)
7th August 2026
44AQI (US)
44AQI (US)
8th August 2026
46AQI (US)
46AQI (US)
9th August 2026
41AQI (US)
41AQI (US)
10th August 2026
42AQI (US)
42AQI (US)
11th August 2026
43AQI (US)
43AQI (US)
12th August 2026
38AQI (US)
38AQI (US)
13th August 2026
36AQI (US)
36AQI (US)
14th August 2026
37AQI (US)
37AQI (US)
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
39AQI (US)
36AQI (US)
30AQI (US)
25AQI (US)
31AQI (US)
22AQI (US)
35AQI (US)
41AQI (US)
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202632AQI (US)
21
10
28
31
28
27
3
29
1
26
5
14
204
19
Highest AQI (US) recorded in
August41AQI (US)
Lowest AQI (US) recorded in
June22AQI (US)
202539AQI (US)
31
28
30
1
30
31
17
13
23
8
25
6
18
12
18
13
19
11
17
14
287
78
Highest AQI (US) recorded in
December49AQI (US)
Lowest AQI (US) recorded in
May29AQI (US)
202426AQI (US)
29
29
31
30
31
29
31
31
30
26
5
29
1
31
357
6
Highest AQI (US) recorded in
October35AQI (US)
Lowest AQI (US) recorded in
January16AQI (US)
202323AQI (US)
31
28
31
30
31
30
31
31
30
31
29
31
364
Highest AQI (US) recorded in
June33AQI (US)
Lowest AQI (US) recorded in
December15AQI (US)
202221AQI (US)
3
24
21
21
22
1
28
28
30
28
206
Highest AQI (US) recorded in
June29AQI (US)
Lowest AQI (US) recorded in
December13AQI (US)
202121AQI (US)
29
28
31
30
31
29
31
31
30
31
30
31
362
Highest AQI (US) recorded in
February26AQI (US)
Lowest AQI (US) recorded in
December15AQI (US)
202020AQI (US)
13
20
18
30
31
31
28
31
30
31
263
Highest AQI (US) recorded in
June28AQI (US)
Lowest AQI (US) recorded in
December16AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Most Polluted Year Recorded
2025(Avg.)
39AQI (US)Least Polluted Year Recorded
2020(Avg.)
20AQI (US)West Union's annual 2026 AQI (US) (32) shows an average percentage change of 34.8% (worsened AQI (US)) compared to previous years: 2020 (20), 2021 (21), 2022 (21), 2023 (23), 2024 (26), 2025 (39).
