Gregory Street, Normal, 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
Gregory Street, Normal, Illinois, United States
2025
2026
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
1st Aug 2025
116AQILowest AQI recorded on
21st Aug 2025
20AQISame Day Analysis (3rd August):
On this day, AQI across the 2 years varied significantly: 2026 ranks 2nd highest AQI at 46 of Good air quality, showing improvement over 2025 on the same day.
Day & Night AQI Trend: 3rd Aug - 4th Aug 2026
Gregory Street, Normal, Illinois, United States
AQI
Day
Night
.
5 AM3rd Aug 2026
8 PM
4 AM4th Aug 2026
Day time
Avg. Highest Time
11AM3rd Aug
51AQI
Avg. Lowest Time
8AM3rd Aug
40AQI
Night time
Avg. Highest Time
12AM4th Aug
51AQI
Avg. Lowest Time
3AM4th Aug
42AQI
In the last 24 hours,
Gregory Street's AQI reached its highest point of 51 at 11 AM during the Day, while the lowest point, 40, was recorded at 8 AM during the Day between 3rd Aug and 4th Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Gregory Street, Normal, Illinois, United States
JulAug
06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd - 04th04th
Day
Night
6th Jul 2026625 AMAQI
6th Jul 2026516 AMAQI
6th Jul 2026587 AMAQI
6th Jul 2026488 AMAQI
6th Jul 2026529 AMAQI
6th Jul 20265010 AMAQI
6th Jul 20265511 AMAQI
6th Jul 20265812 PMAQI
6th Jul 2026561 PMAQI
6th Jul 2026542 PMAQI
6th Jul 2026543 PMAQI
6th Jul 2026494 PMAQI
6th Jul 2026475 PMAQI
6th Jul 2026446 PMAQI
6th Jul 2026337 PMAQI
6th Jul 2026388 PMAQI
6th Jul 2026429 PMAQI
6th Jul 20264810 PMAQI
6th Jul 20264811 PMAQI
7th Jul 20263612 AMAQI
7th Jul 2026361 AMAQI
7th Jul 2026542 AMAQI
7th Jul 2026403 AMAQI
7th Jul 2026364 AMAQI
24°C21/29°C
7th Jul 2026445 AMAQI
7th Jul 2026526 AMAQI
7th Jul 2026467 AMAQI
7th Jul 2026478 AMAQI
7th Jul 2026449 AMAQI
7th Jul 20264510 AMAQI
7th Jul 20264811 AMAQI
7th Jul 20265112 PMAQI
7th Jul 2026561 PMAQI
7th Jul 2026582 PMAQI
7th Jul 2026463 PMAQI
7th Jul 2026544 PMAQI
7th Jul 2026505 PMAQI
7th Jul 2026486 PMAQI
7th Jul 2026467 PMAQI
7th Jul 2026598 PMAQI
7th Jul 2026549 PMAQI
7th Jul 20265310 PMAQI
7th Jul 20264011 PMAQI
8th Jul 20265312 AMAQI
8th Jul 2026551 AMAQI
8th Jul 2026602 AMAQI
8th Jul 2026553 AMAQI
8th Jul 2026494 AMAQI
24°C18/30°C
8th Jul 2026625 AMAQI
8th Jul 2026546 AMAQI
8th Jul 2026557 AMAQI
8th Jul 2026498 AMAQI
8th Jul 2026489 AMAQI
8th Jul 20265410 AMAQI
8th Jul 20265111 AMAQI
8th Jul 20264812 PMAQI
8th Jul 2026511 PMAQI
8th Jul 2026382 PMAQI
8th Jul 2026513 PMAQI
8th Jul 2026534 PMAQI
8th Jul 2026535 PMAQI
8th Jul 2026506 PMAQI
8th Jul 2026507 PMAQI
8th Jul 2026488 PMAQI
8th Jul 2026509 PMAQI
8th Jul 20265010 PMAQI
8th Jul 20265111 PMAQI
9th Jul 20265612 AMAQI
9th Jul 2026551 AMAQI
9th Jul 2026552 AMAQI
9th Jul 2026423 AMAQI
9th Jul 2026334 AMAQI
26°C18/33°C
9th Jul 2026525 AMAQI
9th Jul 2026426 AMAQI
9th Jul 2026447 AMAQI
9th Jul 2026288 AMAQI
9th Jul 2026289 AMAQI
9th Jul 20263410 AMAQI
9th Jul 20263211 AMAQI
9th Jul 20262412 PMAQI
9th Jul 2026321 PMAQI
9th Jul 2026262 PMAQI
9th Jul 2026313 PMAQI
9th Jul 2026214 PMAQI
9th Jul 2026245 PMAQI
9th Jul 2026176 PMAQI
9th Jul 2026247 PMAQI
9th Jul 2026218 PMAQI
9th Jul 2026329 PMAQI
9th Jul 202610610 PMAQI
9th Jul 20262711 PMAQI
10th Jul 20262912 AMAQI
10th Jul 2026311 AMAQI
10th Jul 2026442 AMAQI
10th Jul 2026313 AMAQI
10th Jul 2026504 AMAQI
27°C21/33°C
10th Jul 2026545 AMAQI
10th Jul 2026446 AMAQI
10th Jul 2026367 AMAQI
10th Jul 2026308 AMAQI
10th Jul 2026179 AMAQI
10th Jul 20262610 AMAQI
10th Jul 20261911 AMAQI
10th Jul 20261912 PMAQI
10th Jul 2026191 PMAQI
10th Jul 2026252 PMAQI
10th Jul 2026213 PMAQI
10th Jul 2026294 PMAQI
10th Jul 2026385 PMAQI
10th Jul 2026426 PMAQI
10th Jul 2026417 PMAQI
10th Jul 2026388 PMAQI
10th Jul 2026449 PMAQI
10th Jul 202610610 PMAQI
10th Jul 20264811 PMAQI
11th Jul 20264912 AMAQI
11th Jul 2026401 AMAQI
11th Jul 2026432 AMAQI
11th Jul 2026703 AMAQI
11th Jul 2026524 AMAQI
26°C21/32°C
11th Jul 2026565 AMAQI
11th Jul 2026496 AMAQI
11th Jul 2026487 AMAQI
11th Jul 2026468 AMAQI
11th Jul 2026469 AMAQI
11th Jul 20265210 AMAQI
11th Jul 20264411 AMAQI
11th Jul 20265312 PMAQI
11th Jul 2026481 PMAQI
11th Jul 2026382 PMAQI
11th Jul 2026463 PMAQI
11th Jul 2026404 PMAQI
11th Jul 2026385 PMAQI
11th Jul 2026346 PMAQI
11th Jul 2026327 PMAQI
11th Jul 2026448 PMAQI
11th Jul 2026449 PMAQI
11th Jul 20265210 PMAQI
11th Jul 20263011 PMAQI
12th Jul 20264212 AMAQI
12th Jul 2026421 AMAQI
12th Jul 2026342 AMAQI
12th Jul 2026463 AMAQI
12th Jul 2026364 AMAQI
24°C21/31°C
12th Jul 2026365 AMAQI
12th Jul 2026386 AMAQI
12th Jul 2026447 AMAQI
12th Jul 2026428 AMAQI
12th Jul 2026469 AMAQI
12th Jul 20265810 AMAQI
12th Jul 20265411 AMAQI
12th Jul 20265512 PMAQI
12th Jul 2026501 PMAQI
12th Jul 2026432 PMAQI
12th Jul 2026493 PMAQI
12th Jul 2026644 PMAQI
12th Jul 2026635 PMAQI
12th Jul 2026626 PMAQI
12th Jul 2026467 PMAQI
12th Jul 2026528 PMAQI
12th Jul 2026509 PMAQI
12th Jul 20264610 PMAQI
12th Jul 20264811 PMAQI
13th Jul 20265412 AMAQI
13th Jul 2026551 AMAQI
13th Jul 2026502 AMAQI
13th Jul 2026483 AMAQI
13th Jul 2026484 AMAQI
25°C18/32°C
13th Jul 2026485 AMAQI
13th Jul 2026516 AMAQI
13th Jul 2026537 AMAQI
13th Jul 2026428 AMAQI
13th Jul 2026429 AMAQI
13th Jul 20266010 AMAQI
13th Jul 20264811 AMAQI
13th Jul 20264612 PMAQI
13th Jul 2026591 PMAQI
13th Jul 2026492 PMAQI
13th Jul 2026583 PMAQI
13th Jul 2026484 PMAQI
13th Jul 2026385 PMAQI
13th Jul 2026526 PMAQI
13th Jul 2026527 PMAQI
13th Jul 2026608 PMAQI
13th Jul 2026529 PMAQI
13th Jul 20265410 PMAQI
13th Jul 20264811 PMAQI
14th Jul 20265012 AMAQI
14th Jul 2026551 AMAQI
14th Jul 2026582 AMAQI
14th Jul 2026583 AMAQI
14th Jul 2026564 AMAQI
26°C17/33°C
14th Jul 2026405 AMAQI
14th Jul 2026316 AMAQI
14th Jul 2026427 AMAQI
14th Jul 2026468 AMAQI
14th Jul 2026409 AMAQI
14th Jul 20263610 AMAQI
14th Jul 20263811 AMAQI
14th Jul 20263512 PMAQI
14th Jul 2026341 PMAQI
14th Jul 2026352 PMAQI
14th Jul 2026313 PMAQI
14th Jul 2026264 PMAQI
14th Jul 2026375 PMAQI
14th Jul 2026386 PMAQI
14th Jul 2026387 PMAQI
14th Jul 2026308 PMAQI
14th Jul 2026269 PMAQI
14th Jul 20263810 PMAQI
14th Jul 20262211 PMAQI
15th Jul 20262212 AMAQI
15th Jul 2026481 AMAQI
15th Jul 20261002 AMAQI
15th Jul 2026583 AMAQI
15th Jul 2026424 AMAQI
28°C20/35°C
15th Jul 2026595 AMAQI
15th Jul 2026486 AMAQI
15th Jul 2026987 AMAQI
15th Jul 2026428 AMAQI
15th Jul 2026529 AMAQI
15th Jul 20265810 AMAQI
15th Jul 20264811 AMAQI
15th Jul 20264912 PMAQI
15th Jul 2026501 PMAQI
15th Jul 2026492 PMAQI
15th Jul 2026483 PMAQI
15th Jul 2026474 PMAQI
15th Jul 2026445 PMAQI
15th Jul 2026456 PMAQI
15th Jul 2026517 PMAQI
15th Jul 2026408 PMAQI
15th Jul 2026629 PMAQI
15th Jul 20267210 PMAQI
15th Jul 20265211 PMAQI
16th Jul 202611012 AMAQI
16th Jul 2026251 AMAQI
16th Jul 2026232 AMAQI
16th Jul 2026963 AMAQI
16th Jul 2026304 AMAQI
28°C20/35°C
16th Jul 20261015 AMAQI
16th Jul 20262136 AMAQI
16th Jul 20261217 AMAQI
16th Jul 20261498 AMAQI
16th Jul 2026329 AMAQI
16th Jul 20263010 AMAQI
16th Jul 20263011 AMAQI
16th Jul 202625612 PMAQI
16th Jul 2026301 PMAQI
16th Jul 20261382 PMAQI
16th Jul 20261163 PMAQI
16th Jul 20261004 PMAQI
16th Jul 20261295 PMAQI
16th Jul 2026526 PMAQI
16th Jul 20261077 PMAQI
16th Jul 2026308 PMAQI
16th Jul 2026309 PMAQI
16th Jul 20269210 PMAQI
16th Jul 202610511 PMAQI
17th Jul 20262412 AMAQI
17th Jul 2026231 AMAQI
17th Jul 2026312 AMAQI
17th Jul 2026313 AMAQI
17th Jul 2026714 AMAQI
28°C22/35°C
17th Jul 2026675 AMAQI
17th Jul 2026426 AMAQI
17th Jul 2026427 AMAQI
17th Jul 2026428 AMAQI
17th Jul 2026689 AMAQI
17th Jul 20264210 AMAQI
17th Jul 20264211 AMAQI
17th Jul 20265212 PMAQI
17th Jul 2026511 PMAQI
17th Jul 2026522 PMAQI
17th Jul 2026523 PMAQI
17th Jul 2026514 PMAQI
17th Jul 2026515 PMAQI
17th Jul 2026516 PMAQI
17th Jul 2026487 PMAQI
17th Jul 2026468 PMAQI
17th Jul 2026509 PMAQI
17th Jul 20264010 PMAQI
17th Jul 20264011 PMAQI
18th Jul 20264012 AMAQI
18th Jul 2026421 AMAQI
18th Jul 2026442 AMAQI
18th Jul 2026443 AMAQI
18th Jul 2026444 AMAQI
29°C24/35°C
18th Jul 2026425 AMAQI
18th Jul 2026426 AMAQI
18th Jul 2026427 AMAQI
18th Jul 2026428 AMAQI
18th Jul 2026409 AMAQI
18th Jul 20264610 AMAQI
18th Jul 20264211 AMAQI
18th Jul 20264612 PMAQI
18th Jul 2026441 PMAQI
18th Jul 2026422 PMAQI
18th Jul 2026483 PMAQI
18th Jul 2026444 PMAQI
18th Jul 2026445 PMAQI
18th Jul 2026426 PMAQI
18th Jul 2026467 PMAQI
18th Jul 2026548 PMAQI
18th Jul 2026679 PMAQI
18th Jul 20267610 PMAQI
18th Jul 20265611 PMAQI
19th Jul 20266212 AMAQI
19th Jul 2026421 AMAQI
19th Jul 2026422 AMAQI
19th Jul 2026523 AMAQI
19th Jul 2026624 AMAQI
28°C24/34°C
19th Jul 2026705 AMAQI
19th Jul 2026746 AMAQI
19th Jul 2026807 AMAQI
19th Jul 2026768 AMAQI
19th Jul 2026739 AMAQI
19th Jul 20267610 AMAQI
19th Jul 20267611 AMAQI
19th Jul 20267912 PMAQI
19th Jul 2026821 PMAQI
19th Jul 2026792 PMAQI
19th Jul 2026803 PMAQI
19th Jul 2026804 PMAQI
19th Jul 2026715 PMAQI
19th Jul 2026746 PMAQI
19th Jul 2026847 PMAQI
19th Jul 2026838 PMAQI
19th Jul 2026719 PMAQI
19th Jul 20267810 PMAQI
19th Jul 20266611 PMAQI
20th Jul 20267112 AMAQI
20th Jul 2026691 AMAQI
20th Jul 2026732 AMAQI
20th Jul 2026813 AMAQI
20th Jul 2026714 AMAQI
25°C20/32°C
20th Jul 2026765 AMAQI
20th Jul 2026766 AMAQI
20th Jul 2026877 AMAQI
20th Jul 2026898 AMAQI
20th Jul 2026789 AMAQI
20th Jul 20268410 AMAQI
20th Jul 20267811 AMAQI
20th Jul 20267212 PMAQI
20th Jul 2026651 PMAQI
20th Jul 2026692 PMAQI
20th Jul 2026743 PMAQI
20th Jul 2026704 PMAQI
20th Jul 2026705 PMAQI
20th Jul 2026826 PMAQI
20th Jul 2026847 PMAQI
20th Jul 2026808 PMAQI
20th Jul 2026719 PMAQI
20th Jul 20265711 PMAQI
21st Jul 20266412 AMAQI
21st Jul 2026641 AMAQI
21st Jul 2026662 AMAQI
21st Jul 2026623 AMAQI
21st Jul 2026694 AMAQI
25°C17/32°C
21st Jul 2026625 AMAQI
21st Jul 2026536 AMAQI
21st Jul 2026487 AMAQI
21st Jul 2026598 AMAQI
21st Jul 2026559 AMAQI
21st Jul 20265210 AMAQI
21st Jul 20264211 AMAQI
21st Jul 20264412 PMAQI
21st Jul 2026501 PMAQI
21st Jul 2026522 PMAQI
21st Jul 2026543 PMAQI
21st Jul 2026544 PMAQI
21st Jul 2026525 PMAQI
21st Jul 2026486 PMAQI
21st Jul 2026467 PMAQI
21st Jul 2026448 PMAQI
21st Jul 2026429 PMAQI
21st Jul 20264410 PMAQI
21st Jul 20264811 PMAQI
22nd Jul 20264612 AMAQI
22nd Jul 2026461 AMAQI
22nd Jul 2026442 AMAQI
22nd Jul 2026443 AMAQI
22nd Jul 2026424 AMAQI
27°C22/34°C
22nd Jul 2026465 AMAQI
22nd Jul 2026466 AMAQI
22nd Jul 2026427 AMAQI
22nd Jul 2026408 AMAQI
22nd Jul 2026429 AMAQI
22nd Jul 20264510 AMAQI
22nd Jul 20264611 AMAQI
22nd Jul 20264612 PMAQI
22nd Jul 2026421 PMAQI
22nd Jul 2026212 PMAQI
22nd Jul 2026383 PMAQI
22nd Jul 2026274 PMAQI
22nd Jul 2026425 PMAQI
22nd Jul 2026426 PMAQI
22nd Jul 2026367 PMAQI
22nd Jul 2026368 PMAQI
22nd Jul 2026699 PMAQI
22nd Jul 20264810 PMAQI
22nd Jul 20263211 PMAQI
23rd Jul 20264012 AMAQI
23rd Jul 2026581 AMAQI
23rd Jul 2026422 AMAQI
23rd Jul 2026523 AMAQI
23rd Jul 2026404 AMAQI
21°C17/26°C
23rd Jul 2026345 AMAQI
23rd Jul 2026406 AMAQI
23rd Jul 2026447 AMAQI
23rd Jul 2026298 AMAQI
23rd Jul 2026279 AMAQI
23rd Jul 20264610 AMAQI
23rd Jul 20264611 AMAQI
23rd Jul 20264212 PMAQI
23rd Jul 2026561 PMAQI
23rd Jul 2026442 PMAQI
23rd Jul 2026463 PMAQI
23rd Jul 2026294 PMAQI
23rd Jul 2026405 PMAQI
23rd Jul 2026236 PMAQI
23rd Jul 2026387 PMAQI
23rd Jul 2026348 PMAQI
23rd Jul 2026289 PMAQI
23rd Jul 20262210 PMAQI
23rd Jul 20262711 PMAQI
24th Jul 20264612 AMAQI
24th Jul 2026521 AMAQI
24th Jul 2026342 AMAQI
24th Jul 2026383 AMAQI
24th Jul 2026384 AMAQI
20°C13/28°C
24th Jul 2026525 AMAQI
24th Jul 2026396 AMAQI
24th Jul 2026407 AMAQI
24th Jul 2026528 AMAQI
24th Jul 2026419 AMAQI
24th Jul 20265410 AMAQI
24th Jul 20265211 AMAQI
24th Jul 20265012 PMAQI
24th Jul 2026461 PMAQI
24th Jul 2026382 PMAQI
24th Jul 2026363 PMAQI
24th Jul 2026364 PMAQI
24th Jul 2026305 PMAQI
24th Jul 2026406 PMAQI
24th Jul 2026257 PMAQI
24th Jul 2026318 PMAQI
24th Jul 2026429 PMAQI
24th Jul 20263310 PMAQI
24th Jul 20263211 PMAQI
25th Jul 20264012 AMAQI
25th Jul 2026541 AMAQI
25th Jul 2026452 AMAQI
25th Jul 2026423 AMAQI
25th Jul 2026504 AMAQI
22°C14/29°C
25th Jul 2026525 AMAQI
25th Jul 2026506 AMAQI
25th Jul 2026507 AMAQI
25th Jul 2026528 AMAQI
25th Jul 2026539 AMAQI
25th Jul 20262110 AMAQI
25th Jul 20265111 AMAQI
25th Jul 20264212 PMAQI
25th Jul 2026521 PMAQI
25th Jul 2026552 PMAQI
25th Jul 2026563 PMAQI
25th Jul 2026574 PMAQI
25th Jul 2026565 PMAQI
25th Jul 2026496 PMAQI
25th Jul 2026537 PMAQI
25th Jul 2026448 PMAQI
25th Jul 2026449 PMAQI
25th Jul 20264810 PMAQI
25th Jul 20265211 PMAQI
26th Jul 20265012 AMAQI
26th Jul 2026481 AMAQI
26th Jul 2026462 AMAQI
26th Jul 2026463 AMAQI
26th Jul 2026464 AMAQI
21°C18/27°C
26th Jul 2026425 AMAQI
26th Jul 2026466 AMAQI
26th Jul 2026447 AMAQI
26th Jul 2026448 AMAQI
26th Jul 2026449 AMAQI
26th Jul 20264410 AMAQI
26th Jul 20265011 AMAQI
26th Jul 20264812 PMAQI
26th Jul 2026501 PMAQI
26th Jul 2026522 PMAQI
26th Jul 2026553 PMAQI
26th Jul 2026554 PMAQI
26th Jul 2026565 PMAQI
26th Jul 2026596 PMAQI
26th Jul 2026587 PMAQI
26th Jul 2026578 PMAQI
26th Jul 2026629 PMAQI
26th Jul 20265810 PMAQI
26th Jul 20266011 PMAQI
27th Jul 20266012 AMAQI
27th Jul 2026631 AMAQI
27th Jul 2026592 AMAQI
27th Jul 2026623 AMAQI
27th Jul 2026574 AMAQI
27°C22/36°C
27th Jul 2026575 AMAQI
27th Jul 2026526 AMAQI
27th Jul 2026527 AMAQI
27th Jul 2026548 AMAQI
27th Jul 2026519 AMAQI
27th Jul 20264210 AMAQI
27th Jul 20265111 AMAQI
27th Jul 20265312 PMAQI
27th Jul 2026421 PMAQI
27th Jul 2026442 PMAQI
27th Jul 2026463 PMAQI
27th Jul 2026514 PMAQI
27th Jul 2026525 PMAQI
27th Jul 2026546 PMAQI
27th Jul 2026527 PMAQI
27th Jul 2026538 PMAQI
27th Jul 2026529 PMAQI
27th Jul 20265110 PMAQI
27th Jul 20265111 PMAQI
28th Jul 20265112 AMAQI
28th Jul 2026511 AMAQI
28th Jul 2026522 AMAQI
28th Jul 2026513 AMAQI
28th Jul 2026504 AMAQI
30°C24/37°C
28th Jul 2026505 AMAQI
28th Jul 2026526 AMAQI
28th Jul 2026567 AMAQI
28th Jul 2026568 AMAQI
28th Jul 2026559 AMAQI
28th Jul 20265210 AMAQI
28th Jul 20264911 AMAQI
28th Jul 20264812 PMAQI
28th Jul 2026501 PMAQI
28th Jul 2026462 PMAQI
28th Jul 2026423 PMAQI
28th Jul 2026444 PMAQI
28th Jul 2026465 PMAQI
28th Jul 2026526 PMAQI
28th Jul 2026517 PMAQI
28th Jul 2026508 PMAQI
28th Jul 2026529 PMAQI
28th Jul 20265210 PMAQI
28th Jul 20265111 PMAQI
29th Jul 20265112 AMAQI
29th Jul 2026521 AMAQI
29th Jul 2026442 AMAQI
29th Jul 2026463 AMAQI
29th Jul 2026504 AMAQI
27°C21/31°C
29th Jul 2026505 AMAQI
29th Jul 2026406 AMAQI
29th Jul 2026517 AMAQI
29th Jul 2026238 AMAQI
29th Jul 2026279 AMAQI
29th Jul 20263610 AMAQI
29th Jul 20263411 AMAQI
29th Jul 20262712 PMAQI
29th Jul 2026361 PMAQI
29th Jul 2026322 PMAQI
29th Jul 2026303 PMAQI
29th Jul 2026364 PMAQI
29th Jul 2026325 PMAQI
29th Jul 2026406 PMAQI
29th Jul 2026297 PMAQI
29th Jul 2026228 PMAQI
29th Jul 2026469 PMAQI
29th Jul 20264210 PMAQI
29th Jul 20262111 PMAQI
30th Jul 20263812 AMAQI
30th Jul 2026361 AMAQI
30th Jul 2026312 AMAQI
30th Jul 2026473 AMAQI
30th Jul 2026444 AMAQI
24°C16/31°C
30th Jul 2026445 AMAQI
30th Jul 2026366 AMAQI
30th Jul 2026347 AMAQI
30th Jul 2026468 AMAQI
30th Jul 2026369 AMAQI
30th Jul 20264210 AMAQI
30th Jul 20264611 AMAQI
30th Jul 20263612 PMAQI
30th Jul 2026291 PMAQI
30th Jul 2026382 PMAQI
30th Jul 2026423 PMAQI
30th Jul 2026464 PMAQI
30th Jul 2026425 PMAQI
30th Jul 2026466 PMAQI
30th Jul 2026347 PMAQI
30th Jul 2026368 PMAQI
30th Jul 2026509 PMAQI
30th Jul 20263610 PMAQI
30th Jul 20264811 PMAQI
31st Jul 20263812 AMAQI
31st Jul 2026501 AMAQI
31st Jul 2026422 AMAQI
31st Jul 2026363 AMAQI
31st Jul 2026384 AMAQI
24°C14/32°C
31st Jul 2026505 AMAQI
31st Jul 2026236 AMAQI
31st Jul 2026527 AMAQI
31st Jul 2026528 AMAQI
31st Jul 2026369 AMAQI
31st Jul 20263810 AMAQI
31st Jul 20262511 AMAQI
31st Jul 20262512 PMAQI
31st Jul 2026361 PMAQI
31st Jul 2026212 PMAQI
31st Jul 2026403 PMAQI
31st Jul 2026444 PMAQI
31st Jul 2026485 PMAQI
31st Jul 2026426 PMAQI
31st Jul 2026447 PMAQI
31st Jul 2026428 PMAQI
31st Jul 2026449 PMAQI
31st Jul 20264810 PMAQI
31st Jul 20264411 PMAQI
1st Aug 20264412 AMAQI
1st Aug 2026381 AMAQI
1st Aug 2026422 AMAQI
1st Aug 2026463 AMAQI
1st Aug 2026444 AMAQI
22°C19/30°C
1st Aug 2026425 AMAQI
1st Aug 2026466 AMAQI
1st Aug 2026347 AMAQI
1st Aug 2026388 AMAQI
1st Aug 2026259 AMAQI
1st Aug 20263410 AMAQI
1st Aug 20264211 AMAQI
1st Aug 20264212 PMAQI
1st Aug 2026461 PMAQI
1st Aug 2026462 PMAQI
1st Aug 2026243 PMAQI
1st Aug 2026424 PMAQI
1st Aug 2026385 PMAQI
1st Aug 2026386 PMAQI
1st Aug 2026367 PMAQI
1st Aug 2026548 PMAQI
1st Aug 2026299 PMAQI
1st Aug 20264010 PMAQI
1st Aug 20263811 PMAQI
2nd Aug 20264212 AMAQI
2nd Aug 2026421 AMAQI
2nd Aug 2026442 AMAQI
2nd Aug 2026403 AMAQI
2nd Aug 2026424 AMAQI
21°C20/22°C
2nd Aug 2026465 AMAQI
2nd Aug 2026486 AMAQI
2nd Aug 2026447 AMAQI
2nd Aug 2026508 AMAQI
2nd Aug 2026449 AMAQI
2nd Aug 20264010 AMAQI
2nd Aug 20264211 AMAQI
2nd Aug 20264212 PMAQI
2nd Aug 2026461 PMAQI
2nd Aug 2026462 PMAQI
2nd Aug 2026463 PMAQI
2nd Aug 2026484 PMAQI
2nd Aug 2026465 PMAQI
2nd Aug 2026466 PMAQI
2nd Aug 2026447 PMAQI
2nd Aug 2026488 PMAQI
2nd Aug 2026449 PMAQI
2nd Aug 20264810 PMAQI
2nd Aug 20265011 PMAQI
3rd Aug 20264612 AMAQI
3rd Aug 2026461 AMAQI
3rd Aug 2026462 AMAQI
3rd Aug 2026483 AMAQI
3rd Aug 2026504 AMAQI
22°C19/26°C
3rd Aug 2026465 AMAQI
3rd Aug 2026446 AMAQI
3rd Aug 2026447 AMAQI
3rd Aug 2026408 AMAQI
3rd Aug 2026509 AMAQI
3rd Aug 20264810 AMAQI
3rd Aug 20265111 AMAQI
3rd Aug 20264612 PMAQI
3rd Aug 2026461 PMAQI
3rd Aug 2026442 PMAQI
3rd Aug 2026463 PMAQI
3rd Aug 2026464 PMAQI
3rd Aug 2026505 PMAQI
3rd Aug 2026426 PMAQI
3rd Aug 2026487 PMAQI
3rd Aug 2026468 PMAQI
3rd Aug 2026469 PMAQI
3rd Aug 20264810 PMAQI
3rd Aug 20264811 PMAQI
4th Aug 20265112 AMAQI
4th Aug 2026461 AMAQI
4th Aug 2026442 AMAQI
4th Aug 2026423 AMAQI
4th Aug 2026444 AMAQI
23°C16/29°C
4th Aug 2026425 AMAQI
5 AM4th Aug 2026406 AMAQI
4th Aug 2026427 AMAQI
4th Aug 2026428 AMAQI
4th Aug 2026429 AMAQI
4th Aug 20264410 AMAQI
4th Aug 20264811 AMAQI
4th Aug 20264612 PMAQI
12 PM4th Aug 2026441 PMAQI
4th Aug 2026462 PMAQI
4th Aug 2026483 PMAQI
4th Aug 2026404 PMAQI
4th Aug 2026465 PMAQI
4th Aug 2026446 PMAQI
4th Aug 2026487 PMAQI
8 PM
12 AM
4 AM
24°C17/31°C
Day time
Avg. Highest Time
5 AM - 7 AM
52AQI
3 hours / Day
90 hours / Month
Avg. Lowest Time
9 AM
44AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 5 AM to 7 AM (Avg. 52), while the lowest AQI was between 9 AM to 9 AM (Avg. 44).
Night time
Avg. Highest Time
10 PM
55AQI
1 hours / Day
30 hours / Month
Avg. Lowest Time
11 PM
46AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 10 PM to 10 PM (Avg. 55), while the lowest AQI was between 11 PM to 11 PM (Avg. 46).
2026 Days Vs Air Quality
Gregory Street, Normal, Illinois, United States
2026
90%
190
10%
22
Total number of days with different AQI categories in last 216 days in 2026 (149 days remaining)
Good
190 DaysModerate
22 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 90%
Health Risk Level:
Very Low
In 2026, 90% of 216 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
Gregory Street, Normal, 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
18AQI (US)
18AQI (US)
2nd January 2026
24AQI (US)
24AQI (US)
3rd January 2026
28AQI (US)
28AQI (US)
4th January 2026
44AQI (US)
44AQI (US)
5th January 2026
48AQI (US)
48AQI (US)
6th January 2026
54AQI (US)
54AQI (US)
7th January 2026
50AQI (US)
50AQI (US)
8th January 2026
41AQI (US)
41AQI (US)
9th January 2026
25AQI (US)
25AQI (US)
10th January 2026
23AQI (US)
23AQI (US)
11th January 2026
18AQI (US)
18AQI (US)
12th January 2026
22AQI (US)
22AQI (US)
13th January 2026
24AQI (US)
24AQI (US)
14th January 2026
11AQI (US)
11AQI (US)
15th January 2026
10AQI (US)
10AQI (US)
16th January 2026
20AQI (US)
20AQI (US)
17th January 2026
12AQI (US)
12AQI (US)
18th January 2026
13AQI (US)
13AQI (US)
19th January 2026
23AQI (US)
23AQI (US)
20th January 2026
16AQI (US)
16AQI (US)
21st January 2026
36AQI (US)
36AQI (US)
22nd January 2026
59AQI (US)
59AQI (US)
23rd January 2026
57AQI (US)
57AQI (US)
24th January 2026
49AQI (US)
49AQI (US)
25th January 2026
52AQI (US)
52AQI (US)
26th January 2026
48AQI (US)
48AQI (US)
27th January 2026
37AQI (US)
37AQI (US)
28th January 2026
44AQI (US)
44AQI (US)
29th January 2026
53AQI (US)
53AQI (US)
30th January 2026
62AQI (US)
62AQI (US)
31st January 2026
43AQI (US)
43AQI (US)
1st February 2026
46AQI (US)
46AQI (US)
2nd February 2026
51AQI (US)
51AQI (US)
3rd February 2026
48AQI (US)
48AQI (US)
4th February 2026
44AQI (US)
44AQI (US)
5th February 2026
50AQI (US)
50AQI (US)
6th February 2026
47AQI (US)
47AQI (US)
7th February 2026
40AQI (US)
40AQI (US)
8th February 2026
43AQI (US)
43AQI (US)
9th February 2026
47AQI (US)
47AQI (US)
10th February 2026
46AQI (US)
46AQI (US)
11th February 2026
39AQI (US)
39AQI (US)
12th February 2026
38AQI (US)
38AQI (US)
13th February 2026
49AQI (US)
49AQI (US)
14th February 2026
50AQI (US)
50AQI (US)
15th February 2026
48AQI (US)
48AQI (US)
16th February 2026
45AQI (US)
45AQI (US)
17th February 2026
50AQI (US)
50AQI (US)
18th February 2026
45AQI (US)
45AQI (US)
19th February 2026
42AQI (US)
42AQI (US)
20th February 2026
39AQI (US)
39AQI (US)
21st February 2026
37AQI (US)
37AQI (US)
22nd February 2026
38AQI (US)
38AQI (US)
23rd February 2026
38AQI (US)
38AQI (US)
24th February 2026
46AQI (US)
46AQI (US)
25th February 2026
44AQI (US)
44AQI (US)
26th February 2026
34AQI (US)
34AQI (US)
27th February 2026
34AQI (US)
34AQI (US)
28th February 2026
33AQI (US)
33AQI (US)
1st March 2026
38AQI (US)
38AQI (US)
2nd March 2026
56AQI (US)
56AQI (US)
3rd March 2026
44AQI (US)
44AQI (US)
4th March 2026
45AQI (US)
45AQI (US)
5th March 2026
44AQI (US)
44AQI (US)
6th March 2026
39AQI (US)
39AQI (US)
7th March 2026
36AQI (US)
36AQI (US)
8th March 2026
40AQI (US)
40AQI (US)
9th March 2026
35AQI (US)
35AQI (US)
10th March 2026
35AQI (US)
35AQI (US)
11th March 2026
41AQI (US)
41AQI (US)
12th March 2026
38AQI (US)
38AQI (US)
13th March 2026
40AQI (US)
40AQI (US)
14th March 2026
36AQI (US)
36AQI (US)
15th March 2026
32AQI (US)
32AQI (US)
16th March 2026
36AQI (US)
36AQI (US)
17th March 2026
34AQI (US)
34AQI (US)
18th March 2026
31AQI (US)
31AQI (US)
19th March 2026
40AQI (US)
40AQI (US)
20th March 2026
43AQI (US)
43AQI (US)
21st March 2026
38AQI (US)
38AQI (US)
22nd March 2026
33AQI (US)
33AQI (US)
23rd March 2026
40AQI (US)
40AQI (US)
24th March 2026
36AQI (US)
36AQI (US)
25th March 2026
31AQI (US)
31AQI (US)
26th March 2026
30AQI (US)
30AQI (US)
27th March 2026
30AQI (US)
30AQI (US)
28th March 2026
30AQI (US)
30AQI (US)
29th March 2026
29AQI (US)
29AQI (US)
30th March 2026
28AQI (US)
28AQI (US)
31st March 2026
26AQI (US)
26AQI (US)
1st April 2026
30AQI (US)
30AQI (US)
2nd April 2026
30AQI (US)
30AQI (US)
3rd April 2026
28AQI (US)
28AQI (US)
4th April 2026
31AQI (US)
31AQI (US)
5th April 2026
29AQI (US)
29AQI (US)
6th April 2026
30AQI (US)
30AQI (US)
7th April 2026
28AQI (US)
28AQI (US)
8th April 2026
39AQI (US)
39AQI (US)
9th April 2026
29AQI (US)
29AQI (US)
10th April 2026
33AQI (US)
33AQI (US)
11th April 2026
29AQI (US)
29AQI (US)
12th April 2026
30AQI (US)
30AQI (US)
13th April 2026
32AQI (US)
32AQI (US)
14th April 2026
32AQI (US)
32AQI (US)
15th April 2026
33AQI (US)
33AQI (US)
16th April 2026
30AQI (US)
30AQI (US)
17th April 2026
18th April 2026
30AQI (US)
30AQI (US)
19th April 2026
32AQI (US)
32AQI (US)
20th April 2026
29AQI (US)
29AQI (US)
21st April 2026
27AQI (US)
27AQI (US)
22nd April 2026
23rd April 2026
24AQI (US)
24AQI (US)
24th April 2026
25AQI (US)
25AQI (US)
25th April 2026
28AQI (US)
28AQI (US)
26th April 2026
34AQI (US)
34AQI (US)
27th April 2026
26AQI (US)
26AQI (US)
28th April 2026
26AQI (US)
26AQI (US)
29th April 2026
25AQI (US)
25AQI (US)
30th April 2026
28AQI (US)
28AQI (US)
1st May 2026
26AQI (US)
26AQI (US)
2nd May 2026
24AQI (US)
24AQI (US)
3rd May 2026
22AQI (US)
22AQI (US)
4th May 2026
36AQI (US)
36AQI (US)
5th May 2026
38AQI (US)
38AQI (US)
6th May 2026
30AQI (US)
30AQI (US)
7th May 2026
27AQI (US)
27AQI (US)
8th May 2026
35AQI (US)
35AQI (US)
9th May 2026
10th May 2026
30AQI (US)
30AQI (US)
11th May 2026
29AQI (US)
29AQI (US)
12th May 2026
31AQI (US)
31AQI (US)
13th May 2026
29AQI (US)
29AQI (US)
14th May 2026
25AQI (US)
25AQI (US)
15th May 2026
47AQI (US)
47AQI (US)
16th May 2026
51AQI (US)
51AQI (US)
17th May 2026
57AQI (US)
57AQI (US)
18th May 2026
57AQI (US)
57AQI (US)
19th May 2026
56AQI (US)
56AQI (US)
20th May 2026
50AQI (US)
50AQI (US)
21st May 2026
43AQI (US)
43AQI (US)
22nd May 2026
44AQI (US)
44AQI (US)
23rd May 2026
49AQI (US)
49AQI (US)
24th May 2026
46AQI (US)
46AQI (US)
25th May 2026
44AQI (US)
44AQI (US)
26th May 2026
31AQI (US)
31AQI (US)
27th May 2026
27AQI (US)
27AQI (US)
28th May 2026
17AQI (US)
17AQI (US)
29th May 2026
23AQI (US)
23AQI (US)
30th May 2026
25AQI (US)
25AQI (US)
31st May 2026
27AQI (US)
27AQI (US)
1st June 2026
29AQI (US)
29AQI (US)
2nd June 2026
24AQI (US)
24AQI (US)
3rd June 2026
21AQI (US)
21AQI (US)
4th June 2026
26AQI (US)
26AQI (US)
5th June 2026
31AQI (US)
31AQI (US)
6th June 2026
31AQI (US)
31AQI (US)
7th June 2026
28AQI (US)
28AQI (US)
8th June 2026
32AQI (US)
32AQI (US)
9th June 2026
28AQI (US)
28AQI (US)
10th June 2026
27AQI (US)
27AQI (US)
11th June 2026
26AQI (US)
26AQI (US)
12th June 2026
25AQI (US)
25AQI (US)
13th June 2026
22AQI (US)
22AQI (US)
14th June 2026
23AQI (US)
23AQI (US)
15th June 2026
24AQI (US)
24AQI (US)
16th June 2026
26AQI (US)
26AQI (US)
17th June 2026
27AQI (US)
27AQI (US)
18th June 2026
27AQI (US)
27AQI (US)
19th June 2026
24AQI (US)
24AQI (US)
20th June 2026
24AQI (US)
24AQI (US)
21st June 2026
24AQI (US)
24AQI (US)
22nd June 2026
24AQI (US)
24AQI (US)
23rd June 2026
19AQI (US)
19AQI (US)
24th June 2026
25AQI (US)
25AQI (US)
25th June 2026
25AQI (US)
25AQI (US)
26th June 2026
25AQI (US)
25AQI (US)
27th June 2026
33AQI (US)
33AQI (US)
28th June 2026
34AQI (US)
34AQI (US)
29th June 2026
35AQI (US)
35AQI (US)
30th June 2026
39AQI (US)
39AQI (US)
1st July 2026
28AQI (US)
28AQI (US)
2nd July 2026
29AQI (US)
29AQI (US)
3rd July 2026
30AQI (US)
30AQI (US)
4th July 2026
37AQI (US)
37AQI (US)
5th July 2026
50AQI (US)
50AQI (US)
6th July 2026
52AQI (US)
52AQI (US)
7th July 2026
48AQI (US)
48AQI (US)
8th July 2026
52AQI (US)
52AQI (US)
9th July 2026
37AQI (US)
37AQI (US)
10th July 2026
37AQI (US)
37AQI (US)
11th July 2026
46AQI (US)
46AQI (US)
12th July 2026
48AQI (US)
48AQI (US)
13th July 2026
51AQI (US)
51AQI (US)
14th July 2026
39AQI (US)
39AQI (US)
15th July 2026
54AQI (US)
54AQI (US)
16th July 2026
89AQI (US)
89AQI (US)
17th July 2026
46AQI (US)
46AQI (US)
18th July 2026
47AQI (US)
47AQI (US)
19th July 2026
71AQI (US)
71AQI (US)
20th July 2026
75AQI (US)
75AQI (US)
21st July 2026
53AQI (US)
53AQI (US)
22nd July 2026
42AQI (US)
42AQI (US)
23rd July 2026
39AQI (US)
39AQI (US)
24th July 2026
41AQI (US)
41AQI (US)
25th July 2026
49AQI (US)
49AQI (US)
26th July 2026
51AQI (US)
51AQI (US)
27th July 2026
53AQI (US)
53AQI (US)
28th July 2026
50AQI (US)
50AQI (US)
29th July 2026
37AQI (US)
37AQI (US)
30th July 2026
40AQI (US)
40AQI (US)
31st July 2026
40AQI (US)
40AQI (US)
1st August 2026
40AQI (US)
40AQI (US)
2nd August 2026
45AQI (US)
45AQI (US)
3rd August 2026
46AQI (US)
46AQI (US)
4th August 2026
5th August 2026
6th August 2026
7th August 2026
8th August 2026
9th August 2026
10th August 2026
11th August 2026
12th August 2026
13th August 2026
14th August 2026
15th August 2026
16th August 2026
17th August 2026
18th August 2026
19th August 2026
20th August 2026
21st August 2026
22nd August 2026
23rd August 2026
24th August 2026
25th August 2026
26th August 2026
27th August 2026
28th August 2026
29th August 2026
30th August 2026
31st August 2026
1st September 2026
2nd September 2026
3rd September 2026
4th September 2026
5th September 2026
6th September 2026
7th September 2026
8th September 2026
9th September 2026
10th September 2026
11th September 2026
12th September 2026
13th September 2026
14th September 2026
15th September 2026
16th September 2026
17th September 2026
18th September 2026
19th September 2026
20th September 2026
21st September 2026
22nd September 2026
23rd September 2026
24th September 2026
25th September 2026
26th September 2026
27th September 2026
28th September 2026
29th September 2026
30th September 2026
1st October 2026
2nd October 2026
3rd October 2026
4th October 2026
5th October 2026
6th October 2026
7th October 2026
8th October 2026
9th October 2026
10th October 2026
11th October 2026
12th October 2026
13th October 2026
14th October 2026
15th October 2026
16th October 2026
17th October 2026
18th October 2026
19th October 2026
20th October 2026
21st October 2026
22nd October 2026
23rd October 2026
24th October 2026
25th October 2026
26th October 2026
27th October 2026
28th October 2026
29th October 2026
30th October 2026
31st October 2026
1st November 2026
2nd November 2026
3rd November 2026
4th November 2026
5th November 2026
6th November 2026
7th November 2026
8th November 2026
9th November 2026
10th November 2026
11th November 2026
12th November 2026
13th November 2026
14th November 2026
15th November 2026
16th November 2026
17th November 2026
18th November 2026
19th November 2026
20th November 2026
21st November 2026
22nd November 2026
23rd November 2026
24th November 2026
25th November 2026
26th November 2026
27th November 2026
28th November 2026
29th November 2026
30th November 2026
1st December 2026
2nd December 2026
3rd December 2026
4th December 2026
5th December 2026
6th December 2026
7th December 2026
8th December 2026
9th December 2026
10th December 2026
11th December 2026
12th December 2026
13th December 2026
14th December 2026
15th December 2026
16th December 2026
17th December 2026
18th December 2026
19th December 2026
20th December 2026
21st December 2026
22nd December 2026
23rd December 2026
24th December 2026
25th December 2026
26th December 2026
27th December 2026
28th December 2026
29th December 2026
30th December 2026
31st December 2026
34AQI (US)
43AQI (US)
37AQI (US)
30AQI (US)
36AQI (US)
27AQI (US)
47AQI (US)
44AQI (US)
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202636AQI (US)
25
6
27
1
30
1
28
26
4
30
21
10
3
190
22
Highest AQI (US) recorded in
July47AQI (US)
Lowest AQI (US) recorded in
June27AQI (US)
202538AQI (US)
5
29
1
31
16
14
21
10
20
10
1
19
11
25
6
24
6
18
13
208
71
1
Highest AQI (US) recorded in
June48AQI (US)
Lowest AQI (US) recorded in
May26AQI (US)
Most & Least Polluted Years Over the Last 2 Years
Most Polluted Year Recorded
2025(Avg.)
38AQI (US)Least Polluted Year Recorded
2026(Avg.)
36AQI (US)Gregory Street's annual 2026 AQI (US) (36) shows an average percentage change of -5.2% (improved AQI (US)) compared to previous years: 2025 (38).
