Ostandary, Arak, Markazi, Iran 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
Ostandary, Arak, Markazi, Iran
2022
2023
2024
2025
2026
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
8th Aug 2023
174AQILowest AQI recorded on
4th Aug 2024
53AQISame Day Analysis (6th August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 4th highest AQI at 53 of Moderate air quality, showing improvement over 2025, 2024 and 2023 on the same day.
Day & Night AQI Trend: 6th Aug - 7th Aug 2026
Ostandary, Arak, Markazi, Iran
AQI
Day
Night
.
5 AM6th Aug 2026
7 PM
4 AM7th Aug 2026
Day time
Avg. Highest Time
5AM6th Aug
67AQI
Avg. Lowest Time
7PM6th Aug
38AQI
Night time
Avg. Highest Time
12AM7th Aug
52AQI
Avg. Lowest Time
4AM7th Aug
34AQI
In the last 24 hours,
Ostandary's AQI reached its highest point of 67 at 5 AM during the Day, while the lowest point, 34, was recorded at 4 AM during the Night between 6th Aug and 7th Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Ostandary, Arak, Markazi, Iran
JulAug
09th - 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 - 05th05th - 06th06th - 07th07th
Day
Night
9th Jul 2026425 AMAQI
9th Jul 2026406 AMAQI
9th Jul 2026407 AMAQI
9th Jul 2026338 AMAQI
9th Jul 2026429 AMAQI
9th Jul 20263810 AMAQI
9th Jul 20264211 AMAQI
9th Jul 20263312 PMAQI
9th Jul 2026321 PMAQI
9th Jul 2026262 PMAQI
9th Jul 2026363 PMAQI
9th Jul 2026424 PMAQI
9th Jul 2026485 PMAQI
9th Jul 2026466 PMAQI
9th Jul 2026507 PMAQI
9th Jul 2026498 PMAQI
9th Jul 2026469 PMAQI
9th Jul 20264810 PMAQI
9th Jul 20264611 PMAQI
10th Jul 20264612 AMAQI
10th Jul 2026511 AMAQI
10th Jul 2026522 AMAQI
10th Jul 2026543 AMAQI
10th Jul 2026524 AMAQI
28°C19/37°C
10th Jul 2026495 AMAQI
10th Jul 2026426 AMAQI
10th Jul 2026327 AMAQI
10th Jul 2026308 AMAQI
10th Jul 2026319 AMAQI
10th Jul 20262810 AMAQI
10th Jul 20263111 AMAQI
10th Jul 20263612 PMAQI
10th Jul 2026341 PMAQI
10th Jul 2026272 PMAQI
10th Jul 2026213 PMAQI
10th Jul 2026224 PMAQI
10th Jul 2026245 PMAQI
10th Jul 2026286 PMAQI
10th Jul 2026307 PMAQI
10th Jul 2026308 PMAQI
10th Jul 2026309 PMAQI
10th Jul 20263810 PMAQI
10th Jul 20263211 PMAQI
11th Jul 20263812 AMAQI
11th Jul 2026541 AMAQI
11th Jul 2026712 AMAQI
11th Jul 2026663 AMAQI
11th Jul 2026564 AMAQI
29°C20/37°C
11th Jul 2026555 AMAQI
11th Jul 2026506 AMAQI
11th Jul 2026387 AMAQI
11th Jul 2026388 AMAQI
11th Jul 2026429 AMAQI
11th Jul 20264410 AMAQI
11th Jul 20263711 AMAQI
11th Jul 20264412 PMAQI
11th Jul 2026441 PMAQI
11th Jul 2026512 PMAQI
11th Jul 2026543 PMAQI
11th Jul 2026594 PMAQI
11th Jul 2026565 PMAQI
11th Jul 2026536 PMAQI
11th Jul 2026467 PMAQI
11th Jul 2026488 PMAQI
11th Jul 2026549 PMAQI
11th Jul 20265410 PMAQI
11th Jul 20265611 PMAQI
12th Jul 20265412 AMAQI
12th Jul 2026531 AMAQI
12th Jul 2026552 AMAQI
12th Jul 2026683 AMAQI
12th Jul 2026674 AMAQI
30°C22/38°C
12th Jul 2026635 AMAQI
12th Jul 2026566 AMAQI
12th Jul 2026547 AMAQI
12th Jul 2026538 AMAQI
12th Jul 2026519 AMAQI
12th Jul 20264410 AMAQI
12th Jul 20264411 AMAQI
12th Jul 20264412 PMAQI
12th Jul 2026421 PMAQI
12th Jul 2026382 PMAQI
12th Jul 2026383 PMAQI
12th Jul 2026404 PMAQI
12th Jul 2026405 PMAQI
12th Jul 2026386 PMAQI
12th Jul 2026517 PMAQI
12th Jul 2026708 PMAQI
12th Jul 2026839 PMAQI
12th Jul 20268710 PMAQI
12th Jul 20268011 PMAQI
13th Jul 20267612 AMAQI
13th Jul 2026691 AMAQI
13th Jul 2026652 AMAQI
13th Jul 2026623 AMAQI
13th Jul 2026624 AMAQI
29°C22/35°C
13th Jul 2026625 AMAQI
13th Jul 2026596 AMAQI
13th Jul 2026577 AMAQI
13th Jul 2026558 AMAQI
13th Jul 2026519 AMAQI
13th Jul 20265210 AMAQI
13th Jul 20265311 AMAQI
13th Jul 20265212 PMAQI
13th Jul 2026501 PMAQI
13th Jul 2026492 PMAQI
13th Jul 2026533 PMAQI
13th Jul 2026524 PMAQI
13th Jul 2026515 PMAQI
13th Jul 2026506 PMAQI
13th Jul 2026487 PMAQI
13th Jul 2026468 PMAQI
13th Jul 2026469 PMAQI
13th Jul 20264410 PMAQI
13th Jul 20264211 PMAQI
14th Jul 20264212 AMAQI
14th Jul 2026461 AMAQI
14th Jul 2026482 AMAQI
14th Jul 2026463 AMAQI
14th Jul 2026514 AMAQI
28°C21/35°C
14th Jul 2026505 AMAQI
14th Jul 2026446 AMAQI
14th Jul 2026387 AMAQI
14th Jul 2026428 AMAQI
14th Jul 2026489 AMAQI
14th Jul 20264410 AMAQI
14th Jul 20264411 AMAQI
14th Jul 20264412 PMAQI
14th Jul 2026441 PMAQI
14th Jul 2026462 PMAQI
14th Jul 2026423 PMAQI
14th Jul 2026444 PMAQI
14th Jul 2026405 PMAQI
14th Jul 2026386 PMAQI
14th Jul 2026367 PMAQI
14th Jul 2026318 PMAQI
14th Jul 2026339 PMAQI
14th Jul 20263510 PMAQI
14th Jul 20263111 PMAQI
15th Jul 20263212 AMAQI
15th Jul 2026361 AMAQI
15th Jul 2026342 AMAQI
15th Jul 2026343 AMAQI
15th Jul 2026324 AMAQI
29°C21/37°C
15th Jul 2026325 AMAQI
15th Jul 2026366 AMAQI
15th Jul 2026387 AMAQI
15th Jul 2026428 AMAQI
15th Jul 2026489 AMAQI
15th Jul 20265110 AMAQI
15th Jul 20265511 AMAQI
15th Jul 20265412 PMAQI
15th Jul 2026531 PMAQI
15th Jul 2026512 PMAQI
15th Jul 2026463 PMAQI
15th Jul 2026404 PMAQI
15th Jul 2026415 PMAQI
15th Jul 2026446 PMAQI
15th Jul 2026507 PMAQI
15th Jul 2026528 PMAQI
15th Jul 2026529 PMAQI
15th Jul 20264910 PMAQI
15th Jul 20264011 PMAQI
16th Jul 20263712 AMAQI
16th Jul 2026361 AMAQI
16th Jul 2026362 AMAQI
16th Jul 2026343 AMAQI
16th Jul 2026404 AMAQI
30°C22/37°C
16th Jul 2026465 AMAQI
16th Jul 2026496 AMAQI
16th Jul 2026447 AMAQI
16th Jul 2026468 AMAQI
16th Jul 2026489 AMAQI
16th Jul 20264810 AMAQI
16th Jul 20264611 AMAQI
16th Jul 20265012 PMAQI
16th Jul 2026421 PMAQI
16th Jul 2026362 PMAQI
16th Jul 2026383 PMAQI
16th Jul 2026364 PMAQI
16th Jul 2026385 PMAQI
16th Jul 2026386 PMAQI
16th Jul 2026387 PMAQI
16th Jul 2026368 PMAQI
16th Jul 2026409 PMAQI
16th Jul 20264310 PMAQI
16th Jul 20264011 PMAQI
17th Jul 20263812 AMAQI
17th Jul 2026441 AMAQI
17th Jul 2026462 AMAQI
17th Jul 2026453 AMAQI
17th Jul 2026404 AMAQI
29°C21/36°C
17th Jul 2026405 AMAQI
17th Jul 2026386 AMAQI
17th Jul 2026457 AMAQI
17th Jul 2026518 AMAQI
17th Jul 2026509 AMAQI
17th Jul 20265110 AMAQI
17th Jul 20265311 AMAQI
17th Jul 20265812 PMAQI
17th Jul 2026601 PMAQI
17th Jul 2026582 PMAQI
17th Jul 2026543 PMAQI
17th Jul 2026554 PMAQI
17th Jul 2026555 PMAQI
17th Jul 2026546 PMAQI
17th Jul 2026507 PMAQI
17th Jul 2026498 PMAQI
17th Jul 2026449 PMAQI
17th Jul 20264410 PMAQI
17th Jul 20263811 PMAQI
18th Jul 20264212 AMAQI
18th Jul 2026481 AMAQI
18th Jul 2026532 AMAQI
18th Jul 2026443 AMAQI
18th Jul 2026444 AMAQI
29°C21/36°C
18th Jul 2026465 AMAQI
18th Jul 2026446 AMAQI
18th Jul 2026467 AMAQI
18th Jul 2026488 AMAQI
18th Jul 2026449 AMAQI
18th Jul 20264610 AMAQI
18th Jul 20265411 AMAQI
18th Jul 20265612 PMAQI
18th Jul 2026481 PMAQI
18th Jul 2026502 PMAQI
18th Jul 2026493 PMAQI
18th Jul 2026514 PMAQI
18th Jul 2026515 PMAQI
18th Jul 2026426 PMAQI
18th Jul 2026447 PMAQI
18th Jul 2026428 PMAQI
18th Jul 2026409 PMAQI
18th Jul 20263810 PMAQI
18th Jul 20263611 PMAQI
19th Jul 20263312 AMAQI
19th Jul 2026361 AMAQI
19th Jul 2026382 AMAQI
19th Jul 2026423 AMAQI
19th Jul 2026534 AMAQI
29°C21/36°C
19th Jul 2026485 AMAQI
19th Jul 2026486 AMAQI
19th Jul 2026487 AMAQI
19th Jul 2026488 AMAQI
19th Jul 2026539 AMAQI
19th Jul 20265910 AMAQI
19th Jul 20265911 AMAQI
19th Jul 20265812 PMAQI
19th Jul 2026581 PMAQI
19th Jul 2026542 PMAQI
19th Jul 2026523 PMAQI
19th Jul 2026544 PMAQI
19th Jul 2026535 PMAQI
19th Jul 2026516 PMAQI
19th Jul 2026487 PMAQI
19th Jul 2026498 PMAQI
19th Jul 2026469 PMAQI
19th Jul 20264610 PMAQI
19th Jul 20264311 PMAQI
20th Jul 20264212 AMAQI
20th Jul 2026461 AMAQI
20th Jul 2026462 AMAQI
20th Jul 2026463 AMAQI
20th Jul 2026464 AMAQI
29°C21/36°C
20th Jul 2026505 AMAQI
20th Jul 2026516 AMAQI
20th Jul 2026537 AMAQI
20th Jul 2026518 AMAQI
20th Jul 2026519 AMAQI
20th Jul 20265410 AMAQI
20th Jul 20265611 AMAQI
20th Jul 20265112 PMAQI
20th Jul 2026521 PMAQI
20th Jul 2026472 PMAQI
20th Jul 2026483 PMAQI
20th Jul 2026604 PMAQI
20th Jul 2026625 PMAQI
20th Jul 2026576 PMAQI
20th Jul 2026567 PMAQI
20th Jul 2026508 PMAQI
20th Jul 2026509 PMAQI
20th Jul 20265410 PMAQI
20th Jul 20265611 PMAQI
21st Jul 20265712 AMAQI
21st Jul 2026541 AMAQI
21st Jul 2026622 AMAQI
21st Jul 2026693 AMAQI
21st Jul 2026684 AMAQI
29°C21/38°C
21st Jul 2026625 AMAQI
21st Jul 2026586 AMAQI
21st Jul 2026548 AMAQI
21st Jul 2026449 AMAQI
21st Jul 20265010 AMAQI
21st Jul 20265011 AMAQI
21st Jul 20264812 PMAQI
21st Jul 2026321 PMAQI
21st Jul 2026502 PMAQI
21st Jul 2026383 PMAQI
21st Jul 2026484 PMAQI
21st Jul 2026425 PMAQI
21st Jul 2026386 PMAQI
21st Jul 2026457 PMAQI
21st Jul 2026488 PMAQI
21st Jul 2026519 PMAQI
21st Jul 20265710 PMAQI
21st Jul 20267211 PMAQI
22nd Jul 20267812 AMAQI
22nd Jul 2026671 AMAQI
22nd Jul 2026602 AMAQI
22nd Jul 2026583 AMAQI
22nd Jul 2026624 AMAQI
27°C21/33°C
22nd Jul 2026605 AMAQI
22nd Jul 2026556 AMAQI
22nd Jul 2026597 AMAQI
22nd Jul 2026648 AMAQI
22nd Jul 2026599 AMAQI
22nd Jul 20264910 AMAQI
22nd Jul 20264611 AMAQI
22nd Jul 20264812 PMAQI
22nd Jul 2026451 PMAQI
22nd Jul 2026542 PMAQI
22nd Jul 2026553 PMAQI
22nd Jul 2026324 PMAQI
22nd Jul 2026405 PMAQI
22nd Jul 2026436 PMAQI
22nd Jul 2026467 PMAQI
22nd Jul 2026418 PMAQI
22nd Jul 2026449 PMAQI
22nd Jul 20264410 PMAQI
22nd Jul 20264611 PMAQI
23rd Jul 20264612 AMAQI
23rd Jul 2026461 AMAQI
23rd Jul 2026442 AMAQI
23rd Jul 2026403 AMAQI
23rd Jul 2026314 AMAQI
27°C21/33°C
23rd Jul 2026335 AMAQI
23rd Jul 2026366 AMAQI
23rd Jul 2026367 AMAQI
23rd Jul 2026338 AMAQI
23rd Jul 2026339 AMAQI
23rd Jul 20263810 AMAQI
23rd Jul 20264211 AMAQI
23rd Jul 20263612 PMAQI
23rd Jul 2026311 PMAQI
23rd Jul 2026292 PMAQI
23rd Jul 2026293 PMAQI
23rd Jul 2026314 PMAQI
23rd Jul 2026295 PMAQI
23rd Jul 2026276 PMAQI
23rd Jul 2026257 PMAQI
23rd Jul 2026238 PMAQI
23rd Jul 2026199 PMAQI
23rd Jul 20261810 PMAQI
23rd Jul 20262011 PMAQI
24th Jul 20262412 AMAQI
24th Jul 2026251 AMAQI
24th Jul 2026342 AMAQI
24th Jul 2026353 AMAQI
24th Jul 2026364 AMAQI
27°C21/32°C
24th Jul 2026405 AMAQI
24th Jul 2026426 AMAQI
24th Jul 2026407 AMAQI
24th Jul 2026428 AMAQI
24th Jul 2026519 AMAQI
24th Jul 20265010 AMAQI
24th Jul 20265011 AMAQI
24th Jul 20265112 PMAQI
24th Jul 2026421 PMAQI
24th Jul 2026352 PMAQI
24th Jul 2026423 PMAQI
24th Jul 2026444 PMAQI
24th Jul 2026485 PMAQI
24th Jul 2026486 PMAQI
24th Jul 2026517 PMAQI
24th Jul 2026468 PMAQI
24th Jul 2026409 PMAQI
24th Jul 20263810 PMAQI
24th Jul 20264011 PMAQI
25th Jul 20263312 AMAQI
25th Jul 2026381 AMAQI
25th Jul 2026442 AMAQI
25th Jul 2026463 AMAQI
25th Jul 2026384 AMAQI
27°C19/34°C
25th Jul 2026385 AMAQI
25th Jul 2026306 AMAQI
25th Jul 2026367 AMAQI
25th Jul 2026388 AMAQI
25th Jul 2026429 AMAQI
25th Jul 20264410 AMAQI
25th Jul 20264411 AMAQI
25th Jul 20264012 PMAQI
25th Jul 2026421 PMAQI
25th Jul 2026402 PMAQI
25th Jul 2026333 PMAQI
25th Jul 2026364 PMAQI
25th Jul 2026335 PMAQI
25th Jul 2026296 PMAQI
25th Jul 2026317 PMAQI
25th Jul 2026298 PMAQI
25th Jul 2026259 PMAQI
25th Jul 20262810 PMAQI
25th Jul 20262811 PMAQI
26th Jul 20263012 AMAQI
26th Jul 2026331 AMAQI
26th Jul 2026362 AMAQI
26th Jul 2026383 AMAQI
26th Jul 2026384 AMAQI
28°C20/36°C
26th Jul 2026405 AMAQI
26th Jul 2026426 AMAQI
26th Jul 2026407 AMAQI
26th Jul 2026388 AMAQI
26th Jul 2026409 AMAQI
26th Jul 20264410 AMAQI
26th Jul 20264411 AMAQI
26th Jul 20264012 PMAQI
26th Jul 2026331 PMAQI
26th Jul 2026292 PMAQI
26th Jul 2026273 PMAQI
26th Jul 2026344 PMAQI
26th Jul 2026365 PMAQI
26th Jul 2026386 PMAQI
26th Jul 2026427 PMAQI
26th Jul 2026388 PMAQI
26th Jul 2026369 PMAQI
26th Jul 20263810 PMAQI
26th Jul 20263811 PMAQI
27th Jul 20263812 AMAQI
27th Jul 2026501 AMAQI
27th Jul 2026582 AMAQI
27th Jul 2026553 AMAQI
27th Jul 2026484 AMAQI
29°C21/37°C
27th Jul 2026465 AMAQI
27th Jul 2026496 AMAQI
27th Jul 2026507 AMAQI
27th Jul 2026488 AMAQI
27th Jul 2026429 AMAQI
27th Jul 20264210 AMAQI
27th Jul 20264611 AMAQI
27th Jul 20265012 PMAQI
27th Jul 2026421 PMAQI
27th Jul 2026402 PMAQI
27th Jul 2026383 PMAQI
27th Jul 2026404 PMAQI
27th Jul 2026465 PMAQI
27th Jul 2026506 PMAQI
27th Jul 2026487 PMAQI
27th Jul 2026558 PMAQI
27th Jul 2026729 PMAQI
27th Jul 20267810 PMAQI
27th Jul 20268811 PMAQI
28th Jul 20269212 AMAQI
28th Jul 2026511 AMAQI
28th Jul 2026482 AMAQI
28th Jul 2026463 AMAQI
28th Jul 2026534 AMAQI
30°C23/37°C
28th Jul 2026535 AMAQI
28th Jul 2026526 AMAQI
28th Jul 2026447 AMAQI
28th Jul 2026488 AMAQI
28th Jul 2026489 AMAQI
28th Jul 20263910 AMAQI
28th Jul 20264611 AMAQI
28th Jul 20264812 PMAQI
28th Jul 2026511 PMAQI
28th Jul 2026532 PMAQI
28th Jul 2026543 PMAQI
28th Jul 2026524 PMAQI
28th Jul 2026505 PMAQI
28th Jul 2026526 PMAQI
28th Jul 2026527 PMAQI
28th Jul 2026628 PMAQI
28th Jul 2026689 PMAQI
28th Jul 20266910 PMAQI
28th Jul 20266011 PMAQI
29th Jul 20265512 AMAQI
29th Jul 2026521 AMAQI
29th Jul 2026492 AMAQI
29th Jul 2026483 AMAQI
29th Jul 2026484 AMAQI
28°C21/34°C
29th Jul 2026425 AMAQI
29th Jul 2026396 AMAQI
29th Jul 2026367 AMAQI
29th Jul 2026318 AMAQI
29th Jul 2026329 AMAQI
29th Jul 20263410 AMAQI
29th Jul 20263811 AMAQI
29th Jul 20263612 PMAQI
29th Jul 2026341 PMAQI
29th Jul 2026332 PMAQI
29th Jul 2026333 PMAQI
29th Jul 2026334 PMAQI
29th Jul 2026335 PMAQI
29th Jul 2026426 PMAQI
29th Jul 2026467 PMAQI
29th Jul 2026448 PMAQI
29th Jul 2026429 PMAQI
29th Jul 20264410 PMAQI
29th Jul 20264411 PMAQI
30th Jul 20264812 AMAQI
30th Jul 2026461 AMAQI
30th Jul 2026502 AMAQI
30th Jul 2026503 AMAQI
30th Jul 2026524 AMAQI
26°C19/32°C
30th Jul 2026515 AMAQI
30th Jul 2026386 AMAQI
30th Jul 2026337 AMAQI
30th Jul 2026318 AMAQI
30th Jul 2026299 AMAQI
30th Jul 20263610 AMAQI
30th Jul 20265111 AMAQI
30th Jul 20265212 PMAQI
30th Jul 2026441 PMAQI
30th Jul 2026382 PMAQI
30th Jul 2026363 PMAQI
30th Jul 2026344 PMAQI
30th Jul 2026315 PMAQI
30th Jul 2026406 PMAQI
30th Jul 2026447 PMAQI
30th Jul 2026428 PMAQI
30th Jul 2026469 PMAQI
30th Jul 20264910 PMAQI
30th Jul 20264211 PMAQI
31st Jul 20264812 AMAQI
31st Jul 2026491 AMAQI
31st Jul 2026522 AMAQI
31st Jul 2026583 AMAQI
31st Jul 2026554 AMAQI
25°C18/31°C
31st Jul 2026545 AMAQI
31st Jul 2026516 AMAQI
31st Jul 2026547 AMAQI
31st Jul 2026588 AMAQI
31st Jul 2026589 AMAQI
31st Jul 20266010 AMAQI
31st Jul 20266011 AMAQI
31st Jul 20266212 PMAQI
31st Jul 2026641 PMAQI
31st Jul 2026622 PMAQI
31st Jul 2026643 PMAQI
31st Jul 2026654 PMAQI
31st Jul 2026655 PMAQI
31st Jul 2026666 PMAQI
31st Jul 2026787 PMAQI
31st Jul 2026768 PMAQI
31st Jul 2026729 PMAQI
31st Jul 20266810 PMAQI
31st Jul 20266511 PMAQI
1st Aug 20266212 AMAQI
1st Aug 2026641 AMAQI
1st Aug 2026682 AMAQI
1st Aug 2026673 AMAQI
1st Aug 2026724 AMAQI
25°C17/32°C
1st Aug 2026795 AMAQI
1st Aug 2026686 AMAQI
1st Aug 2026677 AMAQI
1st Aug 2026628 AMAQI
1st Aug 2026769 AMAQI
1st Aug 20268110 AMAQI
1st Aug 20267811 AMAQI
1st Aug 20267312 PMAQI
1st Aug 2026741 PMAQI
1st Aug 2026732 PMAQI
1st Aug 2026693 PMAQI
1st Aug 2026704 PMAQI
1st Aug 2026725 PMAQI
1st Aug 2026666 PMAQI
1st Aug 2026627 PMAQI
1st Aug 2026628 PMAQI
1st Aug 2026589 PMAQI
1st Aug 20266010 PMAQI
1st Aug 20265811 PMAQI
2nd Aug 20265812 AMAQI
2nd Aug 2026621 AMAQI
2nd Aug 2026672 AMAQI
2nd Aug 2026623 AMAQI
2nd Aug 2026584 AMAQI
26°C18/32°C
2nd Aug 2026565 AMAQI
2nd Aug 2026556 AMAQI
2nd Aug 2026567 AMAQI
2nd Aug 2026528 AMAQI
2nd Aug 2026489 AMAQI
2nd Aug 20265010 AMAQI
2nd Aug 20264811 AMAQI
2nd Aug 20265112 PMAQI
2nd Aug 2026461 PMAQI
2nd Aug 2026512 PMAQI
2nd Aug 2026523 PMAQI
2nd Aug 2026524 PMAQI
2nd Aug 2026505 PMAQI
2nd Aug 2026536 PMAQI
2nd Aug 2026567 PMAQI
2nd Aug 2026608 PMAQI
2nd Aug 2026589 PMAQI
2nd Aug 20265510 PMAQI
2nd Aug 20265611 PMAQI
3rd Aug 20265612 AMAQI
3rd Aug 2026561 AMAQI
3rd Aug 2026622 AMAQI
3rd Aug 2026573 AMAQI
3rd Aug 2026594 AMAQI
27°C19/32°C
3rd Aug 2026585 AMAQI
3rd Aug 2026626 AMAQI
3rd Aug 2026597 AMAQI
3rd Aug 2026558 AMAQI
3rd Aug 2026579 AMAQI
3rd Aug 20265610 AMAQI
3rd Aug 20265711 AMAQI
3rd Aug 20266412 PMAQI
3rd Aug 2026621 PMAQI
3rd Aug 2026602 PMAQI
3rd Aug 2026593 PMAQI
3rd Aug 2026584 PMAQI
3rd Aug 2026605 PMAQI
3rd Aug 2026626 PMAQI
3rd Aug 2026667 PMAQI
3rd Aug 2026668 PMAQI
3rd Aug 2026669 PMAQI
3rd Aug 20267010 PMAQI
3rd Aug 20266211 PMAQI
4th Aug 20266412 AMAQI
4th Aug 2026681 AMAQI
4th Aug 2026682 AMAQI
4th Aug 2026723 AMAQI
4th Aug 2026674 AMAQI
26°C19/32°C
4th Aug 2026705 AMAQI
4th Aug 2026696 AMAQI
4th Aug 2026667 AMAQI
4th Aug 2026648 AMAQI
4th Aug 2026609 AMAQI
4th Aug 20265610 AMAQI
4th Aug 20265711 AMAQI
4th Aug 20265712 PMAQI
4th Aug 2026581 PMAQI
4th Aug 2026562 PMAQI
4th Aug 2026583 PMAQI
4th Aug 2026664 PMAQI
4th Aug 2026705 PMAQI
4th Aug 2026746 PMAQI
4th Aug 2026887 PMAQI
4th Aug 2026978 PMAQI
4th Aug 2026909 PMAQI
4th Aug 20269010 PMAQI
4th Aug 20268111 PMAQI
5th Aug 20267412 AMAQI
5th Aug 2026721 AMAQI
5th Aug 2026732 AMAQI
5th Aug 2026883 AMAQI
5th Aug 2026834 AMAQI
26°C19/33°C
5th Aug 2026685 AMAQI
5th Aug 2026906 AMAQI
5th Aug 2026857 AMAQI
5th Aug 2026818 AMAQI
5th Aug 2026839 AMAQI
5th Aug 20268010 AMAQI
5th Aug 20266611 AMAQI
5th Aug 20265712 PMAQI
5th Aug 2026601 PMAQI
5th Aug 2026582 PMAQI
5th Aug 2026603 PMAQI
5th Aug 2026604 PMAQI
5th Aug 2026595 PMAQI
5th Aug 2026696 PMAQI
5th Aug 2026607 PMAQI
5th Aug 2026568 PMAQI
5th Aug 2026649 PMAQI
5th Aug 20266410 PMAQI
5th Aug 20268811 PMAQI
6th Aug 20268112 AMAQI
6th Aug 2026791 AMAQI
6th Aug 2026732 AMAQI
6th Aug 2026733 AMAQI
6th Aug 2026724 AMAQI
28°C21/34°C
6th Aug 2026675 AMAQI
6th Aug 2026546 AMAQI
6th Aug 2026427 AMAQI
6th Aug 2026428 AMAQI
6th Aug 2026429 AMAQI
6th Aug 20264410 AMAQI
6th Aug 20264411 AMAQI
6th Aug 20264412 PMAQI
6th Aug 2026471 PMAQI
6th Aug 2026452 PMAQI
6th Aug 2026483 PMAQI
6th Aug 2026524 PMAQI
6th Aug 2026485 PMAQI
6th Aug 2026446 PMAQI
6th Aug 2026387 PMAQI
6th Aug 2026478 PMAQI
6th Aug 2026519 PMAQI
6th Aug 20264810 PMAQI
6th Aug 20265111 PMAQI
7th Aug 20265212 AMAQI
7th Aug 2026501 AMAQI
7th Aug 2026402 AMAQI
7th Aug 2026343 AMAQI
7th Aug 2026344 AMAQI
28°C21/35°C
7th Aug 2026325 AMAQI
5 AM7th Aug 2026336 AMAQI
7th Aug 2026327 AMAQI
7th Aug 2026368 AMAQI
7th Aug 2026389 AMAQI
7th Aug 20265310 AMAQI
7th Aug 20265611 AMAQI
7th Aug 20265312 PMAQI
12 PM7th Aug 2026401 PMAQI
7th Aug 2026332 PMAQI
7th Aug 2026443 PMAQI
7th Aug 2026444 PMAQI
7th Aug 2026465 PMAQI
7th Aug 2026426 PMAQI
7th Aug 2026497 PMAQI
7 PM7th Aug 2026528 PMAQI
7th Aug 2026489 PMAQI
7th Aug 20263610 PMAQI
7th Aug 20263311 PMAQI
12 AM
4 AM
27°C20/33°C
Day time
Avg. Highest Time
5 AM
51AQI
1 hours / Day
30 hours / Month
Avg. Lowest Time
1 PM - 6 PM
47AQI
6 hours / Day
180 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 5 AM to 5 AM (Avg. 51), while the lowest AQI was between 1 PM to 6 PM (Avg. 47).
Night time
Avg. Highest Time
2 AM - 4 AM
53AQI
3 hours / Day
90 hours / Month
Avg. Lowest Time
8 PM - 11 PM
50AQI
4 hours / Day
120 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 2 AM to 4 AM (Avg. 53), while the lowest AQI was between 8 PM to 11 PM (Avg. 50).
2026 Days Vs Air Quality
Ostandary, Arak, Markazi, Iran
2026
67%
144
33%
70
0.4%
1
Total number of days with different AQI categories in last 219 days in 2026 (146 days remaining)
Good
144 DaysModerate
70 DaysPoor
1 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 67%
Health Risk Level:
Moderate
In 2026, 67% of 219 days were within WHO’s safe air quality limits, and 33% exceeded them. The risk of health issues is Moderate, particularly for individuals with respiratory or heart conditions.
Annual Air Quality Insights
Ostandary, Arak, Markazi, Iran
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
36AQI (US)
36AQI (US)
2nd January 2026
44AQI (US)
44AQI (US)
3rd January 2026
47AQI (US)
47AQI (US)
4th January 2026
45AQI (US)
45AQI (US)
5th January 2026
45AQI (US)
45AQI (US)
6th January 2026
34AQI (US)
34AQI (US)
7th January 2026
40AQI (US)
40AQI (US)
8th January 2026
41AQI (US)
41AQI (US)
9th January 2026
40AQI (US)
40AQI (US)
10th January 2026
61AQI (US)
61AQI (US)
11th January 2026
37AQI (US)
37AQI (US)
12th January 2026
74AQI (US)
74AQI (US)
13th January 2026
107AQI (US)
107AQI (US)
14th January 2026
73AQI (US)
73AQI (US)
15th January 2026
62AQI (US)
62AQI (US)
16th January 2026
31AQI (US)
31AQI (US)
17th January 2026
40AQI (US)
40AQI (US)
18th January 2026
53AQI (US)
53AQI (US)
19th January 2026
80AQI (US)
80AQI (US)
20th January 2026
82AQI (US)
82AQI (US)
21st January 2026
67AQI (US)
67AQI (US)
22nd January 2026
48AQI (US)
48AQI (US)
23rd January 2026
42AQI (US)
42AQI (US)
24th January 2026
32AQI (US)
32AQI (US)
25th January 2026
46AQI (US)
46AQI (US)
26th January 2026
53AQI (US)
53AQI (US)
27th January 2026
53AQI (US)
53AQI (US)
28th January 2026
64AQI (US)
64AQI (US)
29th January 2026
58AQI (US)
58AQI (US)
30th January 2026
58AQI (US)
58AQI (US)
31st January 2026
45AQI (US)
45AQI (US)
1st February 2026
50AQI (US)
50AQI (US)
2nd February 2026
65AQI (US)
65AQI (US)
3rd February 2026
72AQI (US)
72AQI (US)
4th February 2026
62AQI (US)
62AQI (US)
5th February 2026
39AQI (US)
39AQI (US)
6th February 2026
39AQI (US)
39AQI (US)
7th February 2026
40AQI (US)
40AQI (US)
8th February 2026
51AQI (US)
51AQI (US)
9th February 2026
67AQI (US)
67AQI (US)
10th February 2026
83AQI (US)
83AQI (US)
11th February 2026
61AQI (US)
61AQI (US)
12th February 2026
68AQI (US)
68AQI (US)
13th February 2026
72AQI (US)
72AQI (US)
14th February 2026
62AQI (US)
62AQI (US)
15th February 2026
78AQI (US)
78AQI (US)
16th February 2026
48AQI (US)
48AQI (US)
17th February 2026
49AQI (US)
49AQI (US)
18th February 2026
59AQI (US)
59AQI (US)
19th February 2026
43AQI (US)
43AQI (US)
20th February 2026
38AQI (US)
38AQI (US)
21st February 2026
53AQI (US)
53AQI (US)
22nd February 2026
65AQI (US)
65AQI (US)
23rd February 2026
56AQI (US)
56AQI (US)
24th February 2026
62AQI (US)
62AQI (US)
25th February 2026
45AQI (US)
45AQI (US)
26th February 2026
36AQI (US)
36AQI (US)
27th February 2026
36AQI (US)
36AQI (US)
28th February 2026
40AQI (US)
40AQI (US)
1st March 2026
42AQI (US)
42AQI (US)
2nd March 2026
30AQI (US)
30AQI (US)
3rd March 2026
29AQI (US)
29AQI (US)
4th March 2026
32AQI (US)
32AQI (US)
5th March 2026
39AQI (US)
39AQI (US)
6th March 2026
41AQI (US)
41AQI (US)
7th March 2026
40AQI (US)
40AQI (US)
8th March 2026
40AQI (US)
40AQI (US)
9th March 2026
35AQI (US)
35AQI (US)
10th March 2026
37AQI (US)
37AQI (US)
11th March 2026
36AQI (US)
36AQI (US)
12th March 2026
45AQI (US)
45AQI (US)
13th March 2026
25AQI (US)
25AQI (US)
14th March 2026
50AQI (US)
50AQI (US)
15th March 2026
46AQI (US)
46AQI (US)
16th March 2026
49AQI (US)
49AQI (US)
17th March 2026
41AQI (US)
41AQI (US)
18th March 2026
26AQI (US)
26AQI (US)
19th March 2026
41AQI (US)
41AQI (US)
20th March 2026
42AQI (US)
42AQI (US)
21st March 2026
50AQI (US)
50AQI (US)
22nd March 2026
61AQI (US)
61AQI (US)
23rd March 2026
42AQI (US)
42AQI (US)
24th March 2026
22AQI (US)
22AQI (US)
25th March 2026
28AQI (US)
28AQI (US)
26th March 2026
32AQI (US)
32AQI (US)
27th March 2026
27AQI (US)
27AQI (US)
28th March 2026
39AQI (US)
39AQI (US)
29th March 2026
36AQI (US)
36AQI (US)
30th March 2026
34AQI (US)
34AQI (US)
31st March 2026
36AQI (US)
36AQI (US)
1st April 2026
24AQI (US)
24AQI (US)
2nd April 2026
26AQI (US)
26AQI (US)
3rd April 2026
38AQI (US)
38AQI (US)
4th April 2026
44AQI (US)
44AQI (US)
5th April 2026
63AQI (US)
63AQI (US)
6th April 2026
76AQI (US)
76AQI (US)
7th April 2026
56AQI (US)
56AQI (US)
8th April 2026
47AQI (US)
47AQI (US)
9th April 2026
43AQI (US)
43AQI (US)
10th April 2026
37AQI (US)
37AQI (US)
11th April 2026
36AQI (US)
36AQI (US)
12th April 2026
50AQI (US)
50AQI (US)
13th April 2026
51AQI (US)
51AQI (US)
14th April 2026
39AQI (US)
39AQI (US)
15th April 2026
19AQI (US)
19AQI (US)
16th April 2026
35AQI (US)
35AQI (US)
17th April 2026
18th April 2026
57AQI (US)
57AQI (US)
19th April 2026
53AQI (US)
53AQI (US)
20th April 2026
43AQI (US)
43AQI (US)
21st April 2026
23AQI (US)
23AQI (US)
22nd April 2026
23rd April 2026
23AQI (US)
23AQI (US)
24th April 2026
32AQI (US)
32AQI (US)
25th April 2026
39AQI (US)
39AQI (US)
26th April 2026
36AQI (US)
36AQI (US)
27th April 2026
38AQI (US)
38AQI (US)
28th April 2026
39AQI (US)
39AQI (US)
29th April 2026
35AQI (US)
35AQI (US)
30th April 2026
29AQI (US)
29AQI (US)
1st May 2026
26AQI (US)
26AQI (US)
2nd May 2026
36AQI (US)
36AQI (US)
3rd May 2026
45AQI (US)
45AQI (US)
4th May 2026
50AQI (US)
50AQI (US)
5th May 2026
64AQI (US)
64AQI (US)
6th May 2026
58AQI (US)
58AQI (US)
7th May 2026
38AQI (US)
38AQI (US)
8th May 2026
30AQI (US)
30AQI (US)
9th May 2026
10th May 2026
36AQI (US)
36AQI (US)
11th May 2026
42AQI (US)
42AQI (US)
12th May 2026
60AQI (US)
60AQI (US)
13th May 2026
58AQI (US)
58AQI (US)
14th May 2026
69AQI (US)
69AQI (US)
15th May 2026
54AQI (US)
54AQI (US)
16th May 2026
21AQI (US)
21AQI (US)
17th May 2026
23AQI (US)
23AQI (US)
18th May 2026
23AQI (US)
23AQI (US)
19th May 2026
26AQI (US)
26AQI (US)
20th May 2026
25AQI (US)
25AQI (US)
21st May 2026
26AQI (US)
26AQI (US)
22nd May 2026
28AQI (US)
28AQI (US)
23rd May 2026
28AQI (US)
28AQI (US)
24th May 2026
30AQI (US)
30AQI (US)
25th May 2026
35AQI (US)
35AQI (US)
26th May 2026
31AQI (US)
31AQI (US)
27th May 2026
40AQI (US)
40AQI (US)
28th May 2026
51AQI (US)
51AQI (US)
29th May 2026
43AQI (US)
43AQI (US)
30th May 2026
41AQI (US)
41AQI (US)
31st May 2026
41AQI (US)
41AQI (US)
1st June 2026
34AQI (US)
34AQI (US)
2nd June 2026
38AQI (US)
38AQI (US)
3rd June 2026
46AQI (US)
46AQI (US)
4th June 2026
44AQI (US)
44AQI (US)
5th June 2026
45AQI (US)
45AQI (US)
6th June 2026
57AQI (US)
57AQI (US)
7th June 2026
53AQI (US)
53AQI (US)
8th June 2026
47AQI (US)
47AQI (US)
9th June 2026
57AQI (US)
57AQI (US)
10th June 2026
51AQI (US)
51AQI (US)
11th June 2026
46AQI (US)
46AQI (US)
12th June 2026
39AQI (US)
39AQI (US)
13th June 2026
47AQI (US)
47AQI (US)
14th June 2026
42AQI (US)
42AQI (US)
15th June 2026
43AQI (US)
43AQI (US)
16th June 2026
39AQI (US)
39AQI (US)
17th June 2026
47AQI (US)
47AQI (US)
18th June 2026
51AQI (US)
51AQI (US)
19th June 2026
55AQI (US)
55AQI (US)
20th June 2026
57AQI (US)
57AQI (US)
21st June 2026
51AQI (US)
51AQI (US)
22nd June 2026
47AQI (US)
47AQI (US)
23rd June 2026
53AQI (US)
53AQI (US)
24th June 2026
52AQI (US)
52AQI (US)
25th June 2026
46AQI (US)
46AQI (US)
26th June 2026
39AQI (US)
39AQI (US)
27th June 2026
43AQI (US)
43AQI (US)
28th June 2026
54AQI (US)
54AQI (US)
29th June 2026
44AQI (US)
44AQI (US)
30th June 2026
43AQI (US)
43AQI (US)
1st July 2026
52AQI (US)
52AQI (US)
2nd July 2026
46AQI (US)
46AQI (US)
3rd July 2026
53AQI (US)
53AQI (US)
4th July 2026
47AQI (US)
47AQI (US)
5th July 2026
41AQI (US)
41AQI (US)
6th July 2026
43AQI (US)
43AQI (US)
7th July 2026
43AQI (US)
43AQI (US)
8th July 2026
42AQI (US)
42AQI (US)
9th July 2026
44AQI (US)
44AQI (US)
10th July 2026
35AQI (US)
35AQI (US)
11th July 2026
50AQI (US)
50AQI (US)
12th July 2026
55AQI (US)
55AQI (US)
13th July 2026
54AQI (US)
54AQI (US)
14th July 2026
42AQI (US)
42AQI (US)
15th July 2026
43AQI (US)
43AQI (US)
16th July 2026
41AQI (US)
41AQI (US)
17th July 2026
48AQI (US)
48AQI (US)
18th July 2026
46AQI (US)
46AQI (US)
19th July 2026
49AQI (US)
49AQI (US)
20th July 2026
51AQI (US)
51AQI (US)
21st July 2026
52AQI (US)
52AQI (US)
22nd July 2026
52AQI (US)
52AQI (US)
23rd July 2026
32AQI (US)
32AQI (US)
24th July 2026
41AQI (US)
41AQI (US)
25th July 2026
36AQI (US)
36AQI (US)
26th July 2026
37AQI (US)
37AQI (US)
27th July 2026
51AQI (US)
51AQI (US)
28th July 2026
54AQI (US)
54AQI (US)
29th July 2026
40AQI (US)
40AQI (US)
30th July 2026
42AQI (US)
42AQI (US)
31st July 2026
61AQI (US)
61AQI (US)
1st August 2026
68AQI (US)
68AQI (US)
2nd August 2026
55AQI (US)
55AQI (US)
3rd August 2026
60AQI (US)
60AQI (US)
4th August 2026
69AQI (US)
69AQI (US)
5th August 2026
71AQI (US)
71AQI (US)
6th August 2026
53AQI (US)
53AQI (US)
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
53AQI (US)
55AQI (US)
38AQI (US)
40AQI (US)
39AQI (US)
47AQI (US)
46AQI (US)
63AQI (US)
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202646AQI (US)
17
13
1
12
16
30
1
22
6
23
7
19
11
21
10
6
144
70
1
Highest AQI (US) recorded in
August63AQI (US)
Lowest AQI (US) recorded in
March38AQI (US)
202574AQI (US)
24
7
6
18
4
26
5
30
31
22
8
19
12
31
4
26
31
17
13
11
20
38
291
36
Highest AQI (US) recorded in
July93AQI (US)
Lowest AQI (US) recorded in
November47AQI (US)
202477AQI (US)
5
15
6
1
22
4
1
26
3
1
30
8
16
30
31
25
6
22
7
1
6
22
2
13
16
1
25
6
33
280
35
3
Highest AQI (US) recorded in
September99AQI (US)
Lowest AQI (US) recorded in
May56AQI (US)
2023102AQI (US)
2
9
14
5
8
18
2
1
21
7
2
24
4
11
17
1
12
7
8
8
13
1
9
18
3
2
9
11
18
15
13
15
15
16
151
132
23
1
Highest AQI (US) recorded in
July141AQI (US)
Lowest AQI (US) recorded in
May63AQI (US)
2022105AQI (US)
4
10
13
3
7
12
2
15
15
1
10
7
9
11
7
2
14
9
11
9
4
1
12
5
5
20
2
14
13
2
4
128
96
18
3
Highest AQI (US) recorded in
May127AQI (US)
Lowest AQI (US) recorded in
November80AQI (US)
202179AQI (US)
3
1
12
8
15
13
11
17
2
15
7
1
4
4
4
7
3
9
12
7
3
7
19
1
11
19
1
22
1
5
1
1
5
9
6
10
1
100
81
67
27
2
Highest AQI (US) recorded in
July113AQI (US)
Lowest AQI (US) recorded in
June35AQI (US)
202050AQI (US)
1
6
14
12
13
3
15
9
18
2
8
15
3
11
77
48
5
Highest AQI (US) recorded in
October72AQI (US)
Lowest AQI (US) recorded in
March0AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Most Polluted Year Recorded
2022(Avg.)
105AQI (US)Least Polluted Year Recorded
2026(Avg.)
46AQI (US)Ostandary's annual 2026 AQI (US) (46) shows an average percentage change of -39.8% (improved AQI (US)) compared to previous years: 2020 (50), 2021 (79), 2022 (105), 2023 (102), 2024 (77), 2025 (74).
