Olgii, Bayan Olgii, Mongolia 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
Olgii, Bayan Olgii, Mongolia
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
27th Aug 2024
72AQILowest AQI recorded on
28th Aug 2023
0AQISame Day Analysis (2nd August ):
On this day, AQI across the 3 years varied significantly: 2025 ranks 1st highest AQI at 65 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 3rd Aug - 4th Aug 2025
Olgii, Bayan Olgii, Mongolia
AQI
Day
Night
.
5 AM3rd Aug 2025
8 PM
4 AM4th Aug 2025
Day time
Avg. Highest Time
12AMNaNth undefined
AQI
Avg. Lowest Time
12AMNaNth undefined
AQI
Night time
Avg. Highest Time
11AM3rd Aug
80AQI
Avg. Lowest Time
6PM3rd Aug
43AQI
In the last 24 hours,
Olgii's AQI reached its highest point of 80 at 11 AM during the Night, while the lowest point, 43, was recorded at 6 PM during the Night between 3rd Aug and 4th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Olgii, Bayan Olgii, Mongolia
JulAug
05th - 06th06th - 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
5th Jul 2025585 AMAQI
5th Jul 2025576 AMAQI
5th Jul 2025567 AMAQI
5th Jul 2025438 AMAQI
5th Jul 2025519 AMAQI
5th Jul 20254610 AMAQI
5th Jul 20254811 AMAQI
5th Jul 20254112 PMAQI
5th Jul 2025581 PMAQI
5th Jul 2025652 PMAQI
5th Jul 20251143 PMAQI
5th Jul 20251174 PMAQI
5th Jul 2025815 PMAQI
5th Jul 2025756 PMAQI
5th Jul 2025927 PMAQI
5th Jul 2025548 PMAQI
5th Jul 2025479 PMAQI
5th Jul 20255710 PMAQI
5th Jul 20254811 PMAQI
6th Jul 20256412 AMAQI
6th Jul 2025661 AMAQI
6th Jul 2025682 AMAQI
6th Jul 2025613 AMAQI
6th Jul 2025634 AMAQI
19°C16/23°C
6th Jul 2025645 AMAQI
6th Jul 2025676 AMAQI
6th Jul 2025637 AMAQI
6th Jul 2025568 AMAQI
6th Jul 2025509 AMAQI
6th Jul 20255610 AMAQI
6th Jul 20254411 AMAQI
6th Jul 20255712 PMAQI
6th Jul 2025571 PMAQI
6th Jul 2025552 PMAQI
6th Jul 2025803 PMAQI
6th Jul 2025624 PMAQI
6th Jul 2025435 PMAQI
6th Jul 2025516 PMAQI
6th Jul 2025637 PMAQI
6th Jul 2025468 PMAQI
6th Jul 2025569 PMAQI
6th Jul 20255610 PMAQI
6th Jul 20256511 PMAQI
7th Jul 20257012 AMAQI
7th Jul 2025821 AMAQI
7th Jul 2025682 AMAQI
7th Jul 2025663 AMAQI
7th Jul 2025624 AMAQI
16°C11/21°C
7th Jul 2025625 AMAQI
7th Jul 2025606 AMAQI
7th Jul 2025597 AMAQI
7th Jul 2025408 AMAQI
7th Jul 2025539 AMAQI
7th Jul 20254110 AMAQI
7th Jul 20254011 AMAQI
7th Jul 20254612 PMAQI
7th Jul 2025521 PMAQI
7th Jul 2025522 PMAQI
7th Jul 2025583 PMAQI
7th Jul 2025424 PMAQI
7th Jul 2025385 PMAQI
7th Jul 2025406 PMAQI
7th Jul 2025727 PMAQI
7th Jul 2025378 PMAQI
7th Jul 2025329 PMAQI
7th Jul 20253710 PMAQI
7th Jul 20253511 PMAQI
8th Jul 20255212 AMAQI
8th Jul 2025541 AMAQI
8th Jul 2025582 AMAQI
8th Jul 2025573 AMAQI
8th Jul 2025624 AMAQI
15°C12/19°C
8th Jul 2025615 AMAQI
8th Jul 2025626 AMAQI
8th Jul 2025637 AMAQI
8th Jul 2025348 AMAQI
8th Jul 2025249 AMAQI
8th Jul 20252610 AMAQI
8th Jul 20252411 AMAQI
8th Jul 20253112 PMAQI
8th Jul 2025391 PMAQI
8th Jul 2025622 PMAQI
8th Jul 2025823 PMAQI
8th Jul 2025434 PMAQI
8th Jul 2025515 PMAQI
8th Jul 2025626 PMAQI
8th Jul 2025627 PMAQI
8th Jul 2025548 PMAQI
8th Jul 2025629 PMAQI
8th Jul 20256310 PMAQI
8th Jul 20256411 PMAQI
9th Jul 20256612 AMAQI
9th Jul 2025541 AMAQI
9th Jul 2025582 AMAQI
9th Jul 2025583 AMAQI
9th Jul 2025604 AMAQI
14°C12/17°C
9th Jul 2025585 AMAQI
9th Jul 2025566 AMAQI
9th Jul 2025577 AMAQI
9th Jul 2025598 AMAQI
9th Jul 2025629 AMAQI
9th Jul 20255410 AMAQI
9th Jul 20253211 AMAQI
9th Jul 20253112 PMAQI
9th Jul 2025341 PMAQI
9th Jul 2025382 PMAQI
9th Jul 2025383 PMAQI
9th Jul 2025434 PMAQI
9th Jul 2025365 PMAQI
9th Jul 2025316 PMAQI
9th Jul 2025307 PMAQI
9th Jul 2025358 PMAQI
9th Jul 2025329 PMAQI
9th Jul 20253810 PMAQI
9th Jul 20254011 PMAQI
10th Jul 20254112 AMAQI
10th Jul 2025521 AMAQI
10th Jul 2025542 AMAQI
10th Jul 2025543 AMAQI
10th Jul 2025564 AMAQI
14°C12/16°C
10th Jul 2025565 AMAQI
10th Jul 2025596 AMAQI
10th Jul 2025577 AMAQI
10th Jul 2025578 AMAQI
10th Jul 2025469 AMAQI
10th Jul 20252410 AMAQI
10th Jul 20253011 AMAQI
10th Jul 20252612 PMAQI
10th Jul 2025241 PMAQI
10th Jul 2025422 PMAQI
10th Jul 2025433 PMAQI
10th Jul 2025304 PMAQI
10th Jul 2025255 PMAQI
10th Jul 2025286 PMAQI
10th Jul 2025347 PMAQI
10th Jul 2025468 PMAQI
10th Jul 2025469 PMAQI
10th Jul 20256210 PMAQI
10th Jul 20255111 PMAQI
11th Jul 20255612 AMAQI
11th Jul 2025581 AMAQI
11th Jul 2025602 AMAQI
11th Jul 2025623 AMAQI
11th Jul 2025584 AMAQI
17°C14/22°C
11th Jul 2025575 AMAQI
11th Jul 2025546 AMAQI
11th Jul 2025557 AMAQI
11th Jul 2025488 AMAQI
11th Jul 2025269 AMAQI
11th Jul 20252910 AMAQI
11th Jul 20253411 AMAQI
11th Jul 20253412 PMAQI
11th Jul 2025441 PMAQI
11th Jul 2025372 PMAQI
11th Jul 2025343 PMAQI
11th Jul 2025444 PMAQI
11th Jul 2025455 PMAQI
11th Jul 2025286 PMAQI
11th Jul 2025367 PMAQI
11th Jul 2025478 PMAQI
11th Jul 2025389 PMAQI
11th Jul 20253810 PMAQI
11th Jul 20253911 PMAQI
12th Jul 20254112 AMAQI
12th Jul 2025621 AMAQI
12th Jul 2025582 AMAQI
12th Jul 2025553 AMAQI
12th Jul 2025544 AMAQI
19°C16/23°C
12th Jul 2025555 AMAQI
12th Jul 2025566 AMAQI
12th Jul 2025537 AMAQI
12th Jul 2025368 AMAQI
12th Jul 2025389 AMAQI
12th Jul 20254710 AMAQI
12th Jul 20254211 AMAQI
12th Jul 20253312 PMAQI
12th Jul 2025341 PMAQI
12th Jul 2025392 PMAQI
12th Jul 2025643 PMAQI
12th Jul 2025574 PMAQI
12th Jul 2025525 PMAQI
12th Jul 2025516 PMAQI
12th Jul 2025447 PMAQI
12th Jul 2025328 PMAQI
12th Jul 2025359 PMAQI
12th Jul 20257210 PMAQI
12th Jul 20255511 PMAQI
13th Jul 20254812 AMAQI
13th Jul 2025521 AMAQI
13th Jul 2025562 AMAQI
13th Jul 2025543 AMAQI
13th Jul 2025554 AMAQI
16°C12/20°C
13th Jul 2025565 AMAQI
13th Jul 2025556 AMAQI
13th Jul 2025567 AMAQI
13th Jul 2025528 AMAQI
13th Jul 2025569 AMAQI
13th Jul 20254510 AMAQI
13th Jul 20253811 AMAQI
13th Jul 20253412 PMAQI
13th Jul 2025441 PMAQI
13th Jul 2025422 PMAQI
13th Jul 2025533 PMAQI
13th Jul 2025504 PMAQI
13th Jul 2025545 PMAQI
13th Jul 2025466 PMAQI
13th Jul 2025507 PMAQI
13th Jul 2025408 PMAQI
13th Jul 2025459 PMAQI
13th Jul 20254410 PMAQI
13th Jul 20254811 PMAQI
14th Jul 20256612 AMAQI
14th Jul 2025581 AMAQI
14th Jul 2025572 AMAQI
14th Jul 2025563 AMAQI
14th Jul 2025554 AMAQI
18°C14/22°C
14th Jul 2025565 AMAQI
14th Jul 2025556 AMAQI
14th Jul 2025567 AMAQI
14th Jul 2025528 AMAQI
14th Jul 2025479 AMAQI
14th Jul 20254710 AMAQI
14th Jul 20254511 AMAQI
14th Jul 20254312 PMAQI
14th Jul 2025431 PMAQI
14th Jul 2025402 PMAQI
14th Jul 2025503 PMAQI
14th Jul 2025584 PMAQI
14th Jul 2025725 PMAQI
14th Jul 2025536 PMAQI
14th Jul 2025487 PMAQI
14th Jul 2025428 PMAQI
14th Jul 2025449 PMAQI
14th Jul 20254210 PMAQI
14th Jul 20256011 PMAQI
15th Jul 20257312 AMAQI
15th Jul 2025501 AMAQI
15th Jul 2025522 AMAQI
15th Jul 2025563 AMAQI
15th Jul 2025564 AMAQI
19°C15/23°C
15th Jul 2025575 AMAQI
15th Jul 2025566 AMAQI
15th Jul 2025577 AMAQI
15th Jul 2025348 AMAQI
15th Jul 2025359 AMAQI
15th Jul 20254010 AMAQI
15th Jul 20254211 AMAQI
15th Jul 20257012 PMAQI
15th Jul 2025531 PMAQI
15th Jul 2025752 PMAQI
15th Jul 2025433 PMAQI
15th Jul 2025334 PMAQI
15th Jul 2025335 PMAQI
15th Jul 2025266 PMAQI
15th Jul 2025337 PMAQI
15th Jul 2025398 PMAQI
15th Jul 2025489 PMAQI
15th Jul 20253410 PMAQI
15th Jul 20254211 PMAQI
16th Jul 20256112 AMAQI
16th Jul 2025641 AMAQI
16th Jul 2025642 AMAQI
16th Jul 2025543 AMAQI
16th Jul 2025544 AMAQI
18°C13/23°C
16th Jul 2025545 AMAQI
16th Jul 2025546 AMAQI
16th Jul 2025547 AMAQI
16th Jul 2025338 AMAQI
16th Jul 2025279 AMAQI
16th Jul 20253010 AMAQI
16th Jul 20253211 AMAQI
16th Jul 20254512 PMAQI
16th Jul 2025561 PMAQI
16th Jul 2025322 PMAQI
16th Jul 2025283 PMAQI
16th Jul 2025284 PMAQI
16th Jul 2025265 PMAQI
16th Jul 2025246 PMAQI
16th Jul 2025307 PMAQI
16th Jul 2025418 PMAQI
16th Jul 2025329 PMAQI
16th Jul 20253010 PMAQI
16th Jul 20254411 PMAQI
17th Jul 20254412 AMAQI
17th Jul 2025451 AMAQI
17th Jul 2025702 AMAQI
17th Jul 2025613 AMAQI
17th Jul 2025574 AMAQI
19°C14/23°C
17th Jul 2025575 AMAQI
17th Jul 2025546 AMAQI
17th Jul 2025527 AMAQI
17th Jul 2025388 AMAQI
17th Jul 2025339 AMAQI
17th Jul 20254710 AMAQI
17th Jul 20256111 AMAQI
17th Jul 20256812 PMAQI
17th Jul 2025481 PMAQI
17th Jul 2025402 PMAQI
17th Jul 2025493 PMAQI
17th Jul 2025504 PMAQI
17th Jul 2025285 PMAQI
17th Jul 2025306 PMAQI
17th Jul 2025337 PMAQI
17th Jul 2025268 PMAQI
17th Jul 2025359 PMAQI
17th Jul 20253210 PMAQI
17th Jul 20252811 PMAQI
18th Jul 20254412 AMAQI
18th Jul 2025741 AMAQI
18th Jul 2025902 AMAQI
18th Jul 2025493 AMAQI
18th Jul 2025564 AMAQI
19°C15/24°C
18th Jul 2025535 AMAQI
18th Jul 2025546 AMAQI
18th Jul 2025547 AMAQI
18th Jul 2025488 AMAQI
18th Jul 2025469 AMAQI
18th Jul 20254810 AMAQI
18th Jul 20254011 AMAQI
18th Jul 20254612 PMAQI
18th Jul 2025501 PMAQI
18th Jul 2025302 PMAQI
18th Jul 2025283 PMAQI
18th Jul 2025304 PMAQI
18th Jul 2025335 PMAQI
18th Jul 2025366 PMAQI
18th Jul 2025327 PMAQI
18th Jul 2025358 PMAQI
18th Jul 2025379 PMAQI
18th Jul 20253310 PMAQI
18th Jul 20253411 PMAQI
19th Jul 20253612 AMAQI
19th Jul 2025461 AMAQI
19th Jul 2025492 AMAQI
19th Jul 2025603 AMAQI
19th Jul 2025544 AMAQI
19°C15/23°C
19th Jul 2025545 AMAQI
19th Jul 2025556 AMAQI
19th Jul 2025557 AMAQI
19th Jul 2025498 AMAQI
19th Jul 2025449 AMAQI
19th Jul 20254310 AMAQI
19th Jul 20254311 AMAQI
19th Jul 20252912 PMAQI
19th Jul 2025391 PMAQI
19th Jul 2025602 PMAQI
19th Jul 2025643 PMAQI
19th Jul 2025634 PMAQI
19th Jul 2025725 PMAQI
19th Jul 2025336 PMAQI
19th Jul 2025407 PMAQI
19th Jul 2025408 PMAQI
19th Jul 2025389 PMAQI
19th Jul 20253810 PMAQI
19th Jul 20255711 PMAQI
20th Jul 20254212 AMAQI
20th Jul 2025481 AMAQI
20th Jul 2025522 AMAQI
20th Jul 2025543 AMAQI
20th Jul 2025544 AMAQI
21°C17/26°C
20th Jul 2025565 AMAQI
20th Jul 2025556 AMAQI
20th Jul 2025557 AMAQI
20th Jul 2025538 AMAQI
20th Jul 2025469 AMAQI
20th Jul 20255210 AMAQI
20th Jul 20255311 AMAQI
20th Jul 20254212 PMAQI
20th Jul 2025411 PMAQI
20th Jul 2025412 PMAQI
20th Jul 2025423 PMAQI
20th Jul 20251074 PMAQI
20th Jul 2025775 PMAQI
20th Jul 2025376 PMAQI
20th Jul 2025417 PMAQI
20th Jul 2025418 PMAQI
20th Jul 2025429 PMAQI
20th Jul 20255610 PMAQI
20th Jul 20255611 PMAQI
21st Jul 20255512 AMAQI
21st Jul 2025441 AMAQI
21st Jul 2025522 AMAQI
21st Jul 2025513 AMAQI
21st Jul 2025534 AMAQI
19°C12/23°C
21st Jul 2025545 AMAQI
21st Jul 2025546 AMAQI
21st Jul 2025547 AMAQI
21st Jul 2025518 AMAQI
21st Jul 2025589 AMAQI
21st Jul 20255510 AMAQI
21st Jul 20255611 AMAQI
21st Jul 20254312 PMAQI
21st Jul 2025461 PMAQI
21st Jul 2025462 PMAQI
21st Jul 2025363 PMAQI
21st Jul 2025344 PMAQI
21st Jul 2025345 PMAQI
21st Jul 2025386 PMAQI
21st Jul 2025467 PMAQI
21st Jul 2025348 PMAQI
21st Jul 2025339 PMAQI
21st Jul 20254210 PMAQI
21st Jul 20254111 PMAQI
22nd Jul 20254712 AMAQI
22nd Jul 2025691 AMAQI
22nd Jul 2025822 AMAQI
22nd Jul 2025743 AMAQI
22nd Jul 2025524 AMAQI
17°C11/22°C
22nd Jul 2025545 AMAQI
22nd Jul 2025536 AMAQI
22nd Jul 2025537 AMAQI
22nd Jul 2025428 AMAQI
22nd Jul 2025409 AMAQI
22nd Jul 20254310 AMAQI
22nd Jul 20254611 AMAQI
22nd Jul 20253112 PMAQI
22nd Jul 2025581 PMAQI
22nd Jul 2025332 PMAQI
22nd Jul 2025223 PMAQI
22nd Jul 2025264 PMAQI
22nd Jul 2025235 PMAQI
22nd Jul 2025286 PMAQI
22nd Jul 2025347 PMAQI
22nd Jul 2025408 PMAQI
22nd Jul 2025349 PMAQI
22nd Jul 20253710 PMAQI
22nd Jul 20253811 PMAQI
23rd Jul 20253812 AMAQI
23rd Jul 2025611 AMAQI
23rd Jul 2025602 AMAQI
23rd Jul 2025483 AMAQI
23rd Jul 2025494 AMAQI
15°C9/19°C
23rd Jul 2025525 AMAQI
23rd Jul 2025506 AMAQI
23rd Jul 2025527 AMAQI
23rd Jul 2025468 AMAQI
23rd Jul 2025409 AMAQI
23rd Jul 20253810 AMAQI
23rd Jul 20255211 AMAQI
23rd Jul 20254412 PMAQI
23rd Jul 2025631 PMAQI
23rd Jul 2025592 PMAQI
23rd Jul 2025443 PMAQI
23rd Jul 2025354 PMAQI
23rd Jul 2025295 PMAQI
23rd Jul 2025386 PMAQI
23rd Jul 2025417 PMAQI
23rd Jul 2025368 PMAQI
23rd Jul 2025399 PMAQI
23rd Jul 20253410 PMAQI
23rd Jul 20253711 PMAQI
24th Jul 20256112 AMAQI
24th Jul 2025571 AMAQI
24th Jul 2025682 AMAQI
24th Jul 2025583 AMAQI
24th Jul 2025474 AMAQI
14°C8/20°C
24th Jul 2025485 AMAQI
24th Jul 2025496 AMAQI
24th Jul 2025467 AMAQI
24th Jul 2025358 AMAQI
24th Jul 2025399 AMAQI
24th Jul 20253610 AMAQI
24th Jul 20255311 AMAQI
24th Jul 20254112 PMAQI
24th Jul 2025481 PMAQI
24th Jul 2025372 PMAQI
24th Jul 2025383 PMAQI
24th Jul 2025394 PMAQI
24th Jul 2025305 PMAQI
24th Jul 2025306 PMAQI
24th Jul 2025377 PMAQI
24th Jul 2025508 PMAQI
24th Jul 2025469 PMAQI
24th Jul 20254310 PMAQI
24th Jul 20254411 PMAQI
25th Jul 20254212 AMAQI
25th Jul 2025531 AMAQI
25th Jul 2025552 AMAQI
25th Jul 2025503 AMAQI
25th Jul 2025474 AMAQI
13°C10/19°C
25th Jul 2025475 AMAQI
25th Jul 2025506 AMAQI
25th Jul 2025547 AMAQI
25th Jul 2025428 AMAQI
25th Jul 2025359 AMAQI
25th Jul 20253210 AMAQI
25th Jul 20253311 AMAQI
25th Jul 20252912 PMAQI
25th Jul 2025501 PMAQI
25th Jul 2025322 PMAQI
25th Jul 2025193 PMAQI
25th Jul 2025284 PMAQI
25th Jul 2025345 PMAQI
25th Jul 2025216 PMAQI
25th Jul 2025237 PMAQI
25th Jul 2025258 PMAQI
25th Jul 2025369 PMAQI
25th Jul 20253110 PMAQI
25th Jul 20254011 PMAQI
26th Jul 20255212 AMAQI
26th Jul 2025561 AMAQI
26th Jul 2025612 AMAQI
26th Jul 2025543 AMAQI
26th Jul 2025484 AMAQI
17°C12/22°C
26th Jul 2025475 AMAQI
26th Jul 2025436 AMAQI
26th Jul 2025447 AMAQI
26th Jul 2025528 AMAQI
26th Jul 2025529 AMAQI
26th Jul 20255610 AMAQI
26th Jul 20252311 AMAQI
26th Jul 20254312 PMAQI
26th Jul 2025631 PMAQI
26th Jul 2025482 PMAQI
26th Jul 2025483 PMAQI
26th Jul 2025484 PMAQI
26th Jul 2025395 PMAQI
26th Jul 2025506 PMAQI
26th Jul 2025507 PMAQI
26th Jul 2025528 PMAQI
26th Jul 2025529 PMAQI
26th Jul 20255810 PMAQI
26th Jul 20256911 PMAQI
27th Jul 20256212 AMAQI
27th Jul 2025561 AMAQI
27th Jul 2025572 AMAQI
27th Jul 2025583 AMAQI
27th Jul 2025564 AMAQI
19°C15/23°C
27th Jul 2025435 AMAQI
27th Jul 2025446 AMAQI
27th Jul 2025447 AMAQI
27th Jul 2025438 AMAQI
27th Jul 2025349 AMAQI
27th Jul 20253710 AMAQI
27th Jul 20254511 AMAQI
27th Jul 20254912 PMAQI
27th Jul 2025741 PMAQI
27th Jul 2025672 PMAQI
27th Jul 2025563 PMAQI
27th Jul 2025544 PMAQI
27th Jul 2025515 PMAQI
27th Jul 2025496 PMAQI
27th Jul 2025487 PMAQI
27th Jul 2025538 PMAQI
27th Jul 2025529 PMAQI
27th Jul 20255510 PMAQI
27th Jul 20255111 PMAQI
28th Jul 20255612 AMAQI
28th Jul 2025641 AMAQI
28th Jul 2025482 AMAQI
28th Jul 2025463 AMAQI
28th Jul 2025464 AMAQI
21°C16/25°C
28th Jul 2025445 AMAQI
28th Jul 2025466 AMAQI
28th Jul 2025467 AMAQI
28th Jul 2025388 AMAQI
28th Jul 2025439 AMAQI
28th Jul 20254310 AMAQI
28th Jul 20253611 AMAQI
28th Jul 20252912 PMAQI
28th Jul 2025481 PMAQI
28th Jul 2025642 PMAQI
28th Jul 2025403 PMAQI
28th Jul 2025334 PMAQI
28th Jul 2025315 PMAQI
28th Jul 2025406 PMAQI
28th Jul 2025357 PMAQI
28th Jul 2025248 PMAQI
28th Jul 2025279 PMAQI
28th Jul 20253310 PMAQI
28th Jul 20253811 PMAQI
29th Jul 20253812 AMAQI
29th Jul 2025471 AMAQI
29th Jul 2025582 AMAQI
29th Jul 2025443 AMAQI
29th Jul 2025554 AMAQI
23°C19/28°C
29th Jul 2025545 AMAQI
29th Jul 2025536 AMAQI
29th Jul 2025537 AMAQI
29th Jul 2025548 AMAQI
29th Jul 2025509 AMAQI
29th Jul 20255210 AMAQI
29th Jul 20253811 AMAQI
29th Jul 20254012 PMAQI
29th Jul 2025291 PMAQI
29th Jul 2025302 PMAQI
29th Jul 2025593 PMAQI
29th Jul 2025284 PMAQI
29th Jul 2025355 PMAQI
29th Jul 2025216 PMAQI
29th Jul 2025657 PMAQI
29th Jul 2025368 PMAQI
29th Jul 2025649 PMAQI
29th Jul 20256510 PMAQI
29th Jul 20256111 PMAQI
30th Jul 20254212 AMAQI
30th Jul 2025471 AMAQI
30th Jul 2025492 AMAQI
30th Jul 2025483 AMAQI
30th Jul 2025554 AMAQI
19°C13/23°C
30th Jul 2025565 AMAQI
30th Jul 2025516 AMAQI
30th Jul 2025537 AMAQI
30th Jul 2025538 AMAQI
30th Jul 2025549 AMAQI
30th Jul 20255110 AMAQI
30th Jul 20255611 AMAQI
30th Jul 20253512 PMAQI
30th Jul 2025221 PMAQI
30th Jul 2025342 PMAQI
30th Jul 2025283 PMAQI
30th Jul 2025444 PMAQI
30th Jul 2025545 PMAQI
30th Jul 2025666 PMAQI
30th Jul 2025527 PMAQI
30th Jul 2025578 PMAQI
30th Jul 2025669 PMAQI
30th Jul 20256610 PMAQI
30th Jul 20257011 PMAQI
31st Jul 20258912 AMAQI
31st Jul 2025761 AMAQI
31st Jul 2025432 AMAQI
31st Jul 2025533 AMAQI
31st Jul 2025544 AMAQI
19°C15/23°C
31st Jul 2025545 AMAQI
31st Jul 2025546 AMAQI
31st Jul 2025547 AMAQI
31st Jul 2025548 AMAQI
31st Jul 2025549 AMAQI
31st Jul 20253610 AMAQI
31st Jul 20253211 AMAQI
31st Jul 20252712 PMAQI
31st Jul 2025321 PMAQI
31st Jul 2025562 PMAQI
31st Jul 2025623 PMAQI
31st Jul 2025664 PMAQI
31st Jul 2025345 PMAQI
31st Jul 2025646 PMAQI
31st Jul 2025367 PMAQI
31st Jul 2025668 PMAQI
31st Jul 2025609 PMAQI
31st Jul 20255610 PMAQI
31st Jul 20255911 PMAQI
1st Aug 20255712 AMAQI
1st Aug 2025521 AMAQI
1st Aug 2025512 AMAQI
1st Aug 2025543 AMAQI
1st Aug 2025544 AMAQI
19°C16/24°C
1st Aug 2025545 AMAQI
1st Aug 2025546 AMAQI
1st Aug 2025547 AMAQI
1st Aug 2025488 AMAQI
1st Aug 2025409 AMAQI
1st Aug 20254510 AMAQI
1st Aug 20255411 AMAQI
1st Aug 20254212 PMAQI
1st Aug 2025601 PMAQI
1st Aug 2025542 PMAQI
1st Aug 2025523 PMAQI
1st Aug 2025504 PMAQI
1st Aug 2025685 PMAQI
1st Aug 2025556 PMAQI
1st Aug 2025587 PMAQI
1st Aug 2025768 PMAQI
1st Aug 2025669 PMAQI
1st Aug 20254510 PMAQI
1st Aug 20256611 PMAQI
2nd Aug 20259012 AMAQI
2nd Aug 2025621 AMAQI
2nd Aug 2025542 AMAQI
2nd Aug 2025543 AMAQI
2nd Aug 2025524 AMAQI
17°C12/22°C
2nd Aug 2025535 AMAQI
2nd Aug 2025526 AMAQI
2nd Aug 2025557 AMAQI
2nd Aug 2025558 AMAQI
2nd Aug 2025689 AMAQI
2nd Aug 20258710 AMAQI
2nd Aug 20257311 AMAQI
2nd Aug 20259312 PMAQI
2nd Aug 2025551 PMAQI
2nd Aug 2025952 PMAQI
2nd Aug 2025763 PMAQI
2nd Aug 2025624 PMAQI
2nd Aug 2025695 PMAQI
2nd Aug 2025766 PMAQI
2nd Aug 2025527 PMAQI
2nd Aug 2025588 PMAQI
2nd Aug 2025609 PMAQI
2nd Aug 20256210 PMAQI
2nd Aug 20255811 PMAQI
3rd Aug 20256012 AMAQI
3rd Aug 2025761 AMAQI
3rd Aug 2025742 AMAQI
3rd Aug 2025613 AMAQI
3rd Aug 2025604 AMAQI
17°C13/22°C
3rd Aug 2025615 AMAQI
3rd Aug 2025606 AMAQI
3rd Aug 2025597 AMAQI
3rd Aug 2025568 AMAQI
3rd Aug 2025629 AMAQI
3rd Aug 20256410 AMAQI
3rd Aug 20258011 AMAQI
3rd Aug 20257212 PMAQI
3rd Aug 2025751 PMAQI
3rd Aug 2025432 PMAQI
3rd Aug 2025473 PMAQI
3rd Aug 2025524 PMAQI
3rd Aug 2025505 PMAQI
3rd Aug 2025436 PMAQI
3rd Aug 2025477 PMAQI
3rd Aug 2025488 PMAQI
3rd Aug 2025449 PMAQI
3rd Aug 20254810 PMAQI
3rd Aug 20255411 PMAQI
4th Aug 20255212 AMAQI
4th Aug 2025581 AMAQI
4th Aug 2025552 AMAQI
4th Aug 2025603 AMAQI
4th Aug 2025584 AMAQI
--°C/°C
4th Aug 2025575 AMAQI
5 AM12 PM
8 PM
12 AM
4 AM
--°C/°C
Day time
Avg. Highest Time
5 AM - 7 AM
54AQI
3 hours / Day
90 hours / Month
Avg. Lowest Time
6 PM
42AQI
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. 54), while the lowest AQI was between 6 PM to 6 PM (Avg. 42).
Night time
Avg. Highest Time
1 AM - 2 AM
59AQI
2 hours / Day
60 hours / Month
Avg. Lowest Time
9 PM - 10 PM
46AQI
2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 1 AM to 2 AM (Avg. 59), while the lowest AQI was between 9 PM to 10 PM (Avg. 46).
2025 Days Vs Air Quality
Olgii, Bayan Olgii, Mongolia
2025
18%
38
60%
129
13%
27
9%
20
Total number of days with different AQI categories in last 215 days in 2025 (150 days remaining)
Good
38 DaysModerate
129 DaysPoor
27 DaysUnhealthy
20 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 18%
Health Risk Level:
Extreme
In 2025, 18% of 215 days were within WHO’s safe air quality limits. The risk of health issues is Extreme, potentially causing respiratory problems, heart disease, skin issues, and stress, especially for children, the elderly, and those with pre-existing conditions.
Annual Air Quality Insights
Olgii, Bayan Olgii, Mongolia
AQI levels in 2025
AQI
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.
1st January 2025
167AQI
167AQI
2nd January 2025
144AQI
144AQI
3rd January 2025
169AQI
169AQI
4th January 2025
195AQI
195AQI
5th January 2025
172AQI
172AQI
6th January 2025
179AQI
179AQI
7th January 2025
122AQI
122AQI
8th January 2025
172AQI
172AQI
9th January 2025
160AQI
160AQI
10th January 2025
138AQI
138AQI
11th January 2025
152AQI
152AQI
12th January 2025
161AQI
161AQI
13th January 2025
132AQI
132AQI
14th January 2025
150AQI
150AQI
15th January 2025
164AQI
164AQI
16th January 2025
173AQI
173AQI
17th January 2025
186AQI
186AQI
18th January 2025
185AQI
185AQI
19th January 2025
172AQI
172AQI
20th January 2025
171AQI
171AQI
21st January 2025
182AQI
182AQI
22nd January 2025
191AQI
191AQI
23rd January 2025
140AQI
140AQI
24th January 2025
98AQI
98AQI
25th January 2025
75AQI
75AQI
26th January 2025
98AQI
98AQI
27th January 2025
128AQI
128AQI
28th January 2025
141AQI
141AQI
29th January 2025
127AQI
127AQI
30th January 2025
101AQI
101AQI
31st January 2025
158AQI
158AQI
1st February 2025
139AQI
139AQI
2nd February 2025
135AQI
135AQI
3rd February 2025
144AQI
144AQI
4th February 2025
127AQI
127AQI
5th February 2025
109AQI
109AQI
6th February 2025
116AQI
116AQI
7th February 2025
137AQI
137AQI
8th February 2025
140AQI
140AQI
9th February 2025
161AQI
161AQI
10th February 2025
127AQI
127AQI
11th February 2025
127AQI
127AQI
12th February 2025
156AQI
156AQI
13th February 2025
121AQI
121AQI
14th February 2025
100AQI
100AQI
15th February 2025
81AQI
81AQI
16th February 2025
92AQI
92AQI
17th February 2025
95AQI
95AQI
18th February 2025
104AQI
104AQI
19th February 2025
98AQI
98AQI
20th February 2025
91AQI
91AQI
21st February 2025
100AQI
100AQI
22nd February 2025
94AQI
94AQI
23rd February 2025
101AQI
101AQI
24th February 2025
98AQI
98AQI
25th February 2025
101AQI
101AQI
26th February 2025
102AQI
102AQI
27th February 2025
80AQI
80AQI
28th February 2025
60AQI
60AQI
1st March 2025
77AQI
77AQI
2nd March 2025
76AQI
76AQI
3rd March 2025
65AQI
65AQI
4th March 2025
61AQI
61AQI
5th March 2025
62AQI
62AQI
6th March 2025
56AQI
56AQI
7th March 2025
71AQI
71AQI
8th March 2025
63AQI
63AQI
9th March 2025
55AQI
55AQI
10th March 2025
59AQI
59AQI
11th March 2025
48AQI
48AQI
12th March 2025
58AQI
58AQI
13th March 2025
58AQI
58AQI
14th March 2025
66AQI
66AQI
15th March 2025
93AQI
93AQI
16th March 2025
97AQI
97AQI
17th March 2025
91AQI
91AQI
18th March 2025
109AQI
109AQI
19th March 2025
101AQI
101AQI
20th March 2025
97AQI
97AQI
21st March 2025
88AQI
88AQI
22nd March 2025
96AQI
96AQI
23rd March 2025
81AQI
81AQI
24th March 2025
79AQI
79AQI
25th March 2025
76AQI
76AQI
26th March 2025
72AQI
72AQI
27th March 2025
60AQI
60AQI
28th March 2025
65AQI
65AQI
29th March 2025
73AQI
73AQI
30th March 2025
81AQI
81AQI
31st March 2025
76AQI
76AQI
1st April 2025
81AQI
81AQI
2nd April 2025
72AQI
72AQI
3rd April 2025
68AQI
68AQI
4th April 2025
75AQI
75AQI
5th April 2025
73AQI
73AQI
6th April 2025
73AQI
73AQI
7th April 2025
76AQI
76AQI
8th April 2025
75AQI
75AQI
9th April 2025
93AQI
93AQI
10th April 2025
85AQI
85AQI
11th April 2025
69AQI
69AQI
12th April 2025
78AQI
78AQI
13th April 2025
58AQI
58AQI
14th April 2025
79AQI
79AQI
15th April 2025
73AQI
73AQI
16th April 2025
68AQI
68AQI
17th April 2025
72AQI
72AQI
18th April 2025
66AQI
66AQI
19th April 2025
70AQI
70AQI
20th April 2025
70AQI
70AQI
21st April 2025
73AQI
73AQI
22nd April 2025
67AQI
67AQI
23rd April 2025
62AQI
62AQI
24th April 2025
69AQI
69AQI
25th April 2025
68AQI
68AQI
26th April 2025
60AQI
60AQI
27th April 2025
67AQI
67AQI
28th April 2025
67AQI
67AQI
29th April 2025
72AQI
72AQI
30th April 2025
74AQI
74AQI
1st May 2025
63AQI
63AQI
2nd May 2025
61AQI
61AQI
3rd May 2025
62AQI
62AQI
4th May 2025
64AQI
64AQI
5th May 2025
60AQI
60AQI
6th May 2025
65AQI
65AQI
7th May 2025
62AQI
62AQI
8th May 2025
67AQI
67AQI
9th May 2025
58AQI
58AQI
10th May 2025
60AQI
60AQI
11th May 2025
60AQI
60AQI
12th May 2025
62AQI
62AQI
13th May 2025
48AQI
48AQI
14th May 2025
50AQI
50AQI
15th May 2025
52AQI
52AQI
16th May 2025
45AQI
45AQI
17th May 2025
53AQI
53AQI
18th May 2025
56AQI
56AQI
19th May 2025
71AQI
71AQI
20th May 2025
61AQI
61AQI
21st May 2025
51AQI
51AQI
22nd May 2025
48AQI
48AQI
23rd May 2025
54AQI
54AQI
24th May 2025
59AQI
59AQI
25th May 2025
54AQI
54AQI
26th May 2025
60AQI
60AQI
27th May 2025
57AQI
57AQI
28th May 2025
58AQI
58AQI
29th May 2025
50AQI
50AQI
30th May 2025
46AQI
46AQI
31st May 2025
46AQI
46AQI
1st June 2025
41AQI
41AQI
2nd June 2025
43AQI
43AQI
3rd June 2025
49AQI
49AQI
4th June 2025
51AQI
51AQI
5th June 2025
58AQI
58AQI
6th June 2025
47AQI
47AQI
7th June 2025
50AQI
50AQI
8th June 2025
52AQI
52AQI
9th June 2025
53AQI
53AQI
10th June 2025
56AQI
56AQI
11th June 2025
55AQI
55AQI
12th June 2025
59AQI
59AQI
13th June 2025
49AQI
49AQI
14th June 2025
61AQI
61AQI
15th June 2025
57AQI
57AQI
16th June 2025
52AQI
52AQI
17th June 2025
53AQI
53AQI
18th June 2025
52AQI
52AQI
19th June 2025
50AQI
50AQI
20th June 2025
58AQI
58AQI
21st June 2025
65AQI
65AQI
22nd June 2025
69AQI
69AQI
23rd June 2025
60AQI
60AQI
24th June 2025
49AQI
49AQI
25th June 2025
51AQI
51AQI
26th June 2025
48AQI
48AQI
27th June 2025
48AQI
48AQI
28th June 2025
48AQI
48AQI
29th June 2025
57AQI
57AQI
30th June 2025
53AQI
53AQI
1st July 2025
51AQI
51AQI
2nd July 2025
53AQI
53AQI
3rd July 2025
47AQI
47AQI
4th July 2025
51AQI
51AQI
5th July 2025
61AQI
61AQI
6th July 2025
60AQI
60AQI
7th July 2025
54AQI
54AQI
8th July 2025
51AQI
51AQI
9th July 2025
47AQI
47AQI
10th July 2025
45AQI
45AQI
11th July 2025
47AQI
47AQI
12th July 2025
46AQI
46AQI
13th July 2025
49AQI
49AQI
14th July 2025
52AQI
52AQI
15th July 2025
52AQI
52AQI
16th July 2025
45AQI
45AQI
17th July 2025
45AQI
45AQI
18th July 2025
43AQI
43AQI
19th July 2025
45AQI
45AQI
20th July 2025
49AQI
49AQI
21st July 2025
49AQI
49AQI
22nd July 2025
44AQI
44AQI
23rd July 2025
44AQI
44AQI
24th July 2025
46AQI
46AQI
25th July 2025
38AQI
38AQI
26th July 2025
50AQI
50AQI
27th July 2025
56AQI
56AQI
28th July 2025
43AQI
43AQI
29th July 2025
45AQI
45AQI
30th July 2025
51AQI
51AQI
31st July 2025
58AQI
58AQI
1st August 2025
56AQI
56AQI
2nd August 2025
65AQI
65AQI
152AQI
112AQI
75AQI
72AQI
57AQI
53AQI
49AQI
61AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202581AQI
3
10
18
11
15
2
1
28
2
30
7
24
11
19
19
12
2
38
129
27
20
Highest AQI recorded in
January152AQI
Lowest AQI recorded in
July49AQI
202462AQI
7
13
3
26
3
12
19
21
9
14
17
30
31
21
7
1
2
13
18
6
6
13
16
2
168
99
25
16
2
Highest AQI recorded in
December155AQI
Lowest AQI recorded in
October13AQI
202384AQI
4
19
4
4
4
13
9
18
12
25
5
2
25
4
11
19
19
12
28
1
2
3
14
4
79
108
44
17
13
Highest AQI recorded in
February186AQI
Lowest AQI recorded in
September0AQI
2022143AQI
1
2
7
19
4
10
15
5
8
31
19
5
Highest AQI recorded in
December173AQI
Lowest AQI recorded in
October107AQI
Most & Least Polluted Years Over the Last 4 Years
Most Polluted Year Recorded
2022(Avg.)
143AQILeast Polluted Year Recorded
2024(Avg.)
62AQIOlgii's annual 2025 AQI (81) shows an average percentage change of -5.4% (improved AQI) compared to previous years: 2022 (143), 2023 (84), 2024 (62).
