Blair Street, St Louis, Missouri, 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
Blair Street, St Louis, Missouri, United States
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
1st Aug 2025
107AQILowest AQI recorded on
7th Aug 2024
21AQISame Day Analysis (11th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 36 of Good air quality, showing improvement over 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 11th Aug - 12th Aug 2025
Blair Street, St Louis, Missouri, United States
AQI
Day
Night
.
5 AM11th Aug 2025
8 PM
4 AM12th Aug 2025
Day time
Avg. Highest Time
5PM11th Aug
51AQI
Avg. Lowest Time
6AM11th Aug
33AQI
Night time
Avg. Highest Time
9PM11th Aug
48AQI
Avg. Lowest Time
5AM11th Aug
31AQI
In the last 24 hours,
Blair Street's AQI reached its highest point of 51 at 5 PM during the Day, while the lowest point, 31, was recorded at 5 AM during the Night between 11th Aug and 12th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Blair Street, St Louis, Missouri, United States
JulAug
13th - 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 - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th
Day
Night
13th Jul 2025325 AMAQI
13th Jul 2025316 AMAQI
13th Jul 2025317 AMAQI
13th Jul 2025348 AMAQI
13th Jul 2025359 AMAQI
13th Jul 20253310 AMAQI
13th Jul 20253611 AMAQI
13th Jul 20253512 PMAQI
13th Jul 2025361 PMAQI
13th Jul 2025352 PMAQI
13th Jul 2025353 PMAQI
13th Jul 2025354 PMAQI
13th Jul 2025335 PMAQI
13th Jul 2025326 PMAQI
13th Jul 2025357 PMAQI
13th Jul 2025348 PMAQI
13th Jul 2025289 PMAQI
13th Jul 20253010 PMAQI
13th Jul 20252911 PMAQI
14th Jul 20253012 AMAQI
14th Jul 2025301 AMAQI
14th Jul 2025232 AMAQI
14th Jul 2025223 AMAQI
14th Jul 2025244 AMAQI
26°C22/30°C
14th Jul 2025205 AMAQI
14th Jul 2025276 AMAQI
14th Jul 2025387 AMAQI
14th Jul 2025388 AMAQI
14th Jul 2025369 AMAQI
14th Jul 20253610 AMAQI
14th Jul 20253411 AMAQI
14th Jul 20253412 PMAQI
14th Jul 2025341 PMAQI
14th Jul 2025362 PMAQI
14th Jul 2025363 PMAQI
14th Jul 2025374 PMAQI
14th Jul 2025365 PMAQI
14th Jul 2025356 PMAQI
14th Jul 2025357 PMAQI
14th Jul 2025348 PMAQI
14th Jul 2025349 PMAQI
14th Jul 20253410 PMAQI
14th Jul 20253411 PMAQI
15th Jul 20253612 AMAQI
15th Jul 2025391 AMAQI
15th Jul 2025452 AMAQI
15th Jul 2025423 AMAQI
15th Jul 2025424 AMAQI
25°C23/30°C
15th Jul 2025445 AMAQI
15th Jul 2025446 AMAQI
15th Jul 2025417 AMAQI
15th Jul 2025428 AMAQI
15th Jul 2025369 AMAQI
15th Jul 20253610 AMAQI
15th Jul 20253611 AMAQI
15th Jul 20253912 PMAQI
15th Jul 2025361 PMAQI
15th Jul 2025382 PMAQI
15th Jul 2025383 PMAQI
15th Jul 2025384 PMAQI
15th Jul 2025425 PMAQI
15th Jul 2025396 PMAQI
15th Jul 2025397 PMAQI
15th Jul 2025378 PMAQI
15th Jul 2025349 PMAQI
15th Jul 20253510 PMAQI
15th Jul 20253611 PMAQI
16th Jul 20253712 AMAQI
16th Jul 2025341 AMAQI
16th Jul 2025292 AMAQI
16th Jul 2025293 AMAQI
16th Jul 2025294 AMAQI
27°C23/31°C
16th Jul 2025265 AMAQI
16th Jul 2025256 AMAQI
16th Jul 2025307 AMAQI
16th Jul 2025288 AMAQI
16th Jul 2025329 AMAQI
16th Jul 20253610 AMAQI
16th Jul 20254311 AMAQI
16th Jul 20254612 PMAQI
16th Jul 2025461 PMAQI
16th Jul 2025402 PMAQI
16th Jul 2025423 PMAQI
16th Jul 2025394 PMAQI
16th Jul 2025365 PMAQI
16th Jul 2025326 PMAQI
16th Jul 2025317 PMAQI
16th Jul 2025318 PMAQI
16th Jul 2025339 PMAQI
16th Jul 20252910 PMAQI
16th Jul 20253211 PMAQI
17th Jul 20253112 AMAQI
17th Jul 2025401 AMAQI
17th Jul 2025682 AMAQI
17th Jul 2025703 AMAQI
17th Jul 2025534 AMAQI
29°C23/38°C
17th Jul 2025305 AMAQI
17th Jul 2025336 AMAQI
17th Jul 2025367 AMAQI
17th Jul 2025338 AMAQI
17th Jul 2025359 AMAQI
17th Jul 20254210 AMAQI
17th Jul 20254711 AMAQI
17th Jul 20254412 PMAQI
17th Jul 2025481 PMAQI
17th Jul 2025502 PMAQI
17th Jul 2025463 PMAQI
17th Jul 2025424 PMAQI
17th Jul 2025405 PMAQI
17th Jul 2025406 PMAQI
17th Jul 2025407 PMAQI
17th Jul 2025388 PMAQI
17th Jul 2025379 PMAQI
17th Jul 20253910 PMAQI
17th Jul 20253711 PMAQI
18th Jul 20253712 AMAQI
18th Jul 2025331 AMAQI
18th Jul 2025262 AMAQI
18th Jul 2025263 AMAQI
18th Jul 2025284 AMAQI
28°C25/34°C
18th Jul 2025255 AMAQI
18th Jul 2025276 AMAQI
18th Jul 2025267 AMAQI
18th Jul 2025308 AMAQI
18th Jul 2025289 AMAQI
18th Jul 20252810 AMAQI
18th Jul 20253011 AMAQI
18th Jul 20252712 PMAQI
18th Jul 2025301 PMAQI
18th Jul 2025332 PMAQI
18th Jul 2025343 PMAQI
18th Jul 2025364 PMAQI
18th Jul 2025385 PMAQI
18th Jul 2025386 PMAQI
18th Jul 2025327 PMAQI
18th Jul 2025338 PMAQI
18th Jul 2025429 PMAQI
18th Jul 20254210 PMAQI
18th Jul 20254511 PMAQI
19th Jul 20255112 AMAQI
19th Jul 2025521 AMAQI
19th Jul 2025582 AMAQI
19th Jul 2025573 AMAQI
19th Jul 2025534 AMAQI
26°C24/31°C
19th Jul 2025465 AMAQI
19th Jul 2025406 AMAQI
19th Jul 2025467 AMAQI
19th Jul 2025438 AMAQI
19th Jul 2025409 AMAQI
19th Jul 20254410 AMAQI
19th Jul 20254711 AMAQI
19th Jul 20255112 PMAQI
19th Jul 2025531 PMAQI
19th Jul 2025562 PMAQI
19th Jul 2025543 PMAQI
19th Jul 2025484 PMAQI
19th Jul 2025435 PMAQI
19th Jul 2025446 PMAQI
19th Jul 2025507 PMAQI
19th Jul 2025528 PMAQI
19th Jul 2025529 PMAQI
19th Jul 20255210 PMAQI
19th Jul 20255211 PMAQI
20th Jul 20255212 AMAQI
20th Jul 2025531 AMAQI
20th Jul 2025562 AMAQI
20th Jul 2025563 AMAQI
20th Jul 2025534 AMAQI
28°C23/33°C
20th Jul 2025545 AMAQI
20th Jul 2025546 AMAQI
20th Jul 2025537 AMAQI
20th Jul 2025528 AMAQI
20th Jul 2025529 AMAQI
20th Jul 20255410 AMAQI
20th Jul 20255511 AMAQI
20th Jul 20255312 PMAQI
20th Jul 2025521 PMAQI
20th Jul 2025522 PMAQI
20th Jul 2025543 PMAQI
20th Jul 2025554 PMAQI
20th Jul 2025555 PMAQI
20th Jul 2025546 PMAQI
20th Jul 2025547 PMAQI
20th Jul 2025538 PMAQI
20th Jul 2025499 PMAQI
20th Jul 20255010 PMAQI
20th Jul 20254811 PMAQI
21st Jul 20254912 AMAQI
21st Jul 2025461 AMAQI
21st Jul 2025322 AMAQI
21st Jul 2025333 AMAQI
21st Jul 2025364 AMAQI
31°C25/39°C
21st Jul 2025225 AMAQI
21st Jul 2025216 AMAQI
21st Jul 2025237 AMAQI
21st Jul 2025228 AMAQI
21st Jul 2025269 AMAQI
21st Jul 20252510 AMAQI
21st Jul 20252411 AMAQI
21st Jul 20252412 PMAQI
21st Jul 2025241 PMAQI
21st Jul 2025262 PMAQI
21st Jul 2025303 PMAQI
21st Jul 2025354 PMAQI
21st Jul 2025375 PMAQI
21st Jul 2025346 PMAQI
21st Jul 2025347 PMAQI
21st Jul 2025348 PMAQI
21st Jul 2025329 PMAQI
21st Jul 20253210 PMAQI
21st Jul 20253211 PMAQI
22nd Jul 20253212 AMAQI
22nd Jul 2025341 AMAQI
22nd Jul 2025282 AMAQI
22nd Jul 2025273 AMAQI
22nd Jul 2025294 AMAQI
26°C23/31°C
22nd Jul 2025405 AMAQI
22nd Jul 2025566 AMAQI
22nd Jul 2025547 AMAQI
22nd Jul 2025488 AMAQI
22nd Jul 2025489 AMAQI
22nd Jul 20254910 AMAQI
22nd Jul 20254611 AMAQI
22nd Jul 20254312 PMAQI
22nd Jul 2025431 PMAQI
22nd Jul 2025462 PMAQI
22nd Jul 2025503 PMAQI
22nd Jul 2025524 PMAQI
22nd Jul 2025545 PMAQI
22nd Jul 2025546 PMAQI
22nd Jul 2025507 PMAQI
22nd Jul 2025508 PMAQI
22nd Jul 2025509 PMAQI
22nd Jul 20255110 PMAQI
22nd Jul 20254711 PMAQI
23rd Jul 20255012 AMAQI
23rd Jul 2025501 AMAQI
23rd Jul 2025492 AMAQI
23rd Jul 2025503 AMAQI
23rd Jul 2025534 AMAQI
28°C23/33°C
23rd Jul 2025565 AMAQI
23rd Jul 2025546 AMAQI
23rd Jul 2025547 AMAQI
23rd Jul 2025538 AMAQI
23rd Jul 2025579 AMAQI
23rd Jul 20255910 AMAQI
23rd Jul 20255811 AMAQI
23rd Jul 20255812 PMAQI
23rd Jul 2025611 PMAQI
23rd Jul 2025562 PMAQI
23rd Jul 2025563 PMAQI
23rd Jul 2025564 PMAQI
23rd Jul 2025575 PMAQI
23rd Jul 2025576 PMAQI
23rd Jul 2025577 PMAQI
23rd Jul 2025568 PMAQI
23rd Jul 2025569 PMAQI
23rd Jul 20255610 PMAQI
23rd Jul 20255711 PMAQI
24th Jul 20255812 AMAQI
24th Jul 2025571 AMAQI
24th Jul 2025572 AMAQI
24th Jul 2025563 AMAQI
24th Jul 2025584 AMAQI
30°C25/38°C
24th Jul 2025605 AMAQI
24th Jul 2025586 AMAQI
24th Jul 2025607 AMAQI
24th Jul 2025588 AMAQI
24th Jul 2025589 AMAQI
24th Jul 20255810 AMAQI
24th Jul 20255811 AMAQI
24th Jul 20255712 PMAQI
24th Jul 2025541 PMAQI
24th Jul 2025562 PMAQI
24th Jul 2025563 PMAQI
24th Jul 2025564 PMAQI
24th Jul 2025565 PMAQI
24th Jul 2025576 PMAQI
24th Jul 2025587 PMAQI
24th Jul 2025588 PMAQI
24th Jul 2025569 PMAQI
24th Jul 20255610 PMAQI
24th Jul 20255511 PMAQI
25th Jul 20255512 AMAQI
25th Jul 2025501 AMAQI
25th Jul 2025322 AMAQI
25th Jul 2025343 AMAQI
25th Jul 2025454 AMAQI
30°C24/35°C
25th Jul 2025325 AMAQI
25th Jul 2025316 AMAQI
25th Jul 2025287 AMAQI
25th Jul 2025308 AMAQI
25th Jul 2025359 AMAQI
25th Jul 20253810 AMAQI
25th Jul 20254811 AMAQI
25th Jul 20255312 PMAQI
25th Jul 2025541 PMAQI
25th Jul 2025542 PMAQI
25th Jul 2025523 PMAQI
25th Jul 2025544 PMAQI
25th Jul 2025535 PMAQI
25th Jul 2025526 PMAQI
25th Jul 2025497 PMAQI
25th Jul 2025508 PMAQI
25th Jul 2025479 PMAQI
25th Jul 20255010 PMAQI
25th Jul 20255111 PMAQI
26th Jul 20255112 AMAQI
26th Jul 2025521 AMAQI
26th Jul 2025512 AMAQI
26th Jul 2025503 AMAQI
26th Jul 2025504 AMAQI
30°C25/36°C
26th Jul 2025445 AMAQI
26th Jul 2025436 AMAQI
26th Jul 2025487 AMAQI
26th Jul 2025468 AMAQI
26th Jul 2025469 AMAQI
26th Jul 20254810 AMAQI
26th Jul 20254811 AMAQI
26th Jul 20254812 PMAQI
26th Jul 2025431 PMAQI
26th Jul 2025432 PMAQI
26th Jul 2025433 PMAQI
26th Jul 2025444 PMAQI
26th Jul 2025455 PMAQI
26th Jul 2025446 PMAQI
26th Jul 2025467 PMAQI
26th Jul 2025498 PMAQI
26th Jul 2025409 PMAQI
26th Jul 20253810 PMAQI
26th Jul 20253711 PMAQI
27th Jul 20254012 AMAQI
27th Jul 2025381 AMAQI
27th Jul 2025262 AMAQI
27th Jul 2025283 AMAQI
27th Jul 2025284 AMAQI
30°C25/37°C
27th Jul 2025165 AMAQI
27th Jul 2025166 AMAQI
27th Jul 2025187 AMAQI
27th Jul 2025208 AMAQI
27th Jul 2025189 AMAQI
27th Jul 20252010 AMAQI
27th Jul 20252611 AMAQI
27th Jul 20252512 PMAQI
27th Jul 2025271 PMAQI
27th Jul 2025262 PMAQI
27th Jul 2025283 PMAQI
27th Jul 2025294 PMAQI
27th Jul 2025315 PMAQI
27th Jul 2025326 PMAQI
27th Jul 2025287 PMAQI
27th Jul 2025308 PMAQI
27th Jul 2025329 PMAQI
27th Jul 20253110 PMAQI
27th Jul 20253111 PMAQI
28th Jul 20252812 AMAQI
28th Jul 2025261 AMAQI
28th Jul 2025252 AMAQI
28th Jul 2025253 AMAQI
28th Jul 2025264 AMAQI
30°C25/36°C
28th Jul 2025295 AMAQI
28th Jul 2025326 AMAQI
28th Jul 2025287 AMAQI
28th Jul 2025308 AMAQI
28th Jul 2025369 AMAQI
28th Jul 20254010 AMAQI
28th Jul 20253911 AMAQI
28th Jul 20253412 PMAQI
28th Jul 2025341 PMAQI
28th Jul 2025362 PMAQI
28th Jul 2025403 PMAQI
28th Jul 2025424 PMAQI
28th Jul 2025405 PMAQI
28th Jul 2025406 PMAQI
28th Jul 2025357 PMAQI
28th Jul 2025348 PMAQI
28th Jul 2025379 PMAQI
28th Jul 20253910 PMAQI
28th Jul 20254011 PMAQI
29th Jul 20254212 AMAQI
29th Jul 2025441 AMAQI
29th Jul 2025542 AMAQI
29th Jul 2025533 AMAQI
29th Jul 2025524 AMAQI
31°C26/37°C
29th Jul 2025535 AMAQI
29th Jul 2025536 AMAQI
29th Jul 2025537 AMAQI
29th Jul 2025548 AMAQI
29th Jul 2025569 AMAQI
29th Jul 20254910 AMAQI
29th Jul 20254711 AMAQI
29th Jul 20254612 PMAQI
29th Jul 2025461 PMAQI
29th Jul 2025462 PMAQI
29th Jul 2025503 PMAQI
29th Jul 2025494 PMAQI
29th Jul 2025465 PMAQI
29th Jul 2025416 PMAQI
29th Jul 2025487 PMAQI
29th Jul 2025508 PMAQI
29th Jul 2025469 PMAQI
29th Jul 20254510 PMAQI
29th Jul 20254711 PMAQI
30th Jul 20255212 AMAQI
30th Jul 2025521 AMAQI
30th Jul 2025472 AMAQI
30th Jul 2025473 AMAQI
30th Jul 2025464 AMAQI
32°C27/39°C
30th Jul 2025515 AMAQI
30th Jul 2025496 AMAQI
30th Jul 2025477 AMAQI
30th Jul 2025538 AMAQI
30th Jul 2025549 AMAQI
30th Jul 20255110 AMAQI
30th Jul 20254811 AMAQI
30th Jul 20254812 PMAQI
30th Jul 2025501 PMAQI
30th Jul 2025512 PMAQI
30th Jul 2025513 PMAQI
30th Jul 2025514 PMAQI
30th Jul 2025515 PMAQI
30th Jul 2025516 PMAQI
30th Jul 2025517 PMAQI
30th Jul 2025518 PMAQI
30th Jul 2025449 PMAQI
30th Jul 20254110 PMAQI
30th Jul 20254411 PMAQI
31st Jul 20254612 AMAQI
31st Jul 2025391 AMAQI
31st Jul 2025232 AMAQI
31st Jul 2025253 AMAQI
31st Jul 2025284 AMAQI
30°C25/36°C
31st Jul 2025205 AMAQI
31st Jul 2025206 AMAQI
31st Jul 2025277 AMAQI
31st Jul 2025308 AMAQI
31st Jul 2025329 AMAQI
31st Jul 20253710 AMAQI
31st Jul 20254311 AMAQI
31st Jul 20254412 PMAQI
31st Jul 2025521 PMAQI
31st Jul 2025602 PMAQI
31st Jul 2025603 PMAQI
31st Jul 2025584 PMAQI
31st Jul 2025545 PMAQI
31st Jul 2025526 PMAQI
31st Jul 2025317 PMAQI
31st Jul 2025518 PMAQI
31st Jul 2025839 PMAQI
31st Jul 20259610 PMAQI
31st Jul 202511711 PMAQI
1st Aug 202511612 AMAQI
1st Aug 20251241 AMAQI
1st Aug 2025982 AMAQI
1st Aug 2025793 AMAQI
1st Aug 20251084 AMAQI
26°C23/28°C
1st Aug 20251345 AMAQI
1st Aug 20251546 AMAQI
1st Aug 20251487 AMAQI
1st Aug 20251518 AMAQI
1st Aug 20251529 AMAQI
1st Aug 202513710 AMAQI
1st Aug 202512011 AMAQI
1st Aug 202510412 PMAQI
1st Aug 2025901 PMAQI
1st Aug 2025882 PMAQI
1st Aug 2025873 PMAQI
1st Aug 2025824 PMAQI
1st Aug 2025845 PMAQI
1st Aug 2025816 PMAQI
1st Aug 20251157 PMAQI
1st Aug 20251028 PMAQI
1st Aug 2025889 PMAQI
1st Aug 20258810 PMAQI
1st Aug 20259011 PMAQI
2nd Aug 20259312 AMAQI
2nd Aug 2025901 AMAQI
2nd Aug 2025882 AMAQI
2nd Aug 2025973 AMAQI
2nd Aug 2025984 AMAQI
24°C18/30°C
2nd Aug 2025915 AMAQI
2nd Aug 2025916 AMAQI
2nd Aug 2025917 AMAQI
2nd Aug 2025918 AMAQI
2nd Aug 2025889 AMAQI
2nd Aug 20258410 AMAQI
2nd Aug 20257411 AMAQI
2nd Aug 20256612 PMAQI
2nd Aug 2025601 PMAQI
2nd Aug 2025542 PMAQI
2nd Aug 2025483 PMAQI
2nd Aug 2025484 PMAQI
2nd Aug 2025445 PMAQI
2nd Aug 2025446 PMAQI
2nd Aug 2025777 PMAQI
2nd Aug 2025668 PMAQI
2nd Aug 2025489 PMAQI
2nd Aug 20254110 PMAQI
2nd Aug 20254711 PMAQI
3rd Aug 20254812 AMAQI
3rd Aug 2025381 AMAQI
3rd Aug 2025392 AMAQI
3rd Aug 2025513 AMAQI
3rd Aug 2025544 AMAQI
22°C17/29°C
3rd Aug 2025425 AMAQI
3rd Aug 2025466 AMAQI
3rd Aug 2025467 AMAQI
3rd Aug 2025488 AMAQI
3rd Aug 2025489 AMAQI
3rd Aug 20254210 AMAQI
3rd Aug 20253911 AMAQI
3rd Aug 20253612 PMAQI
3rd Aug 2025331 PMAQI
3rd Aug 2025342 PMAQI
3rd Aug 2025373 PMAQI
3rd Aug 2025364 PMAQI
3rd Aug 2025365 PMAQI
3rd Aug 2025356 PMAQI
3rd Aug 2025387 PMAQI
3rd Aug 2025348 PMAQI
3rd Aug 2025339 PMAQI
3rd Aug 20253410 PMAQI
3rd Aug 20253411 PMAQI
4th Aug 20253812 AMAQI
4th Aug 2025371 AMAQI
4th Aug 2025332 AMAQI
4th Aug 2025363 AMAQI
4th Aug 2025354 AMAQI
23°C16/28°C
4th Aug 2025345 AMAQI
4th Aug 2025336 AMAQI
4th Aug 2025357 AMAQI
4th Aug 2025398 AMAQI
4th Aug 2025369 AMAQI
4th Aug 20253910 AMAQI
4th Aug 20253911 AMAQI
4th Aug 20254312 PMAQI
4th Aug 2025421 PMAQI
4th Aug 2025472 PMAQI
4th Aug 2025473 PMAQI
4th Aug 2025444 PMAQI
4th Aug 2025435 PMAQI
4th Aug 2025436 PMAQI
4th Aug 2025397 PMAQI
4th Aug 2025328 PMAQI
4th Aug 2025289 PMAQI
4th Aug 20252710 PMAQI
4th Aug 20252511 PMAQI
5th Aug 20252712 AMAQI
5th Aug 2025241 AMAQI
5th Aug 2025242 AMAQI
5th Aug 2025263 AMAQI
5th Aug 2025264 AMAQI
25°C19/31°C
5th Aug 2025235 AMAQI
5th Aug 2025226 AMAQI
5th Aug 2025227 AMAQI
5th Aug 2025268 AMAQI
5th Aug 2025309 AMAQI
5th Aug 20253910 AMAQI
5th Aug 20254311 AMAQI
5th Aug 20254012 PMAQI
5th Aug 2025371 PMAQI
5th Aug 2025372 PMAQI
5th Aug 2025393 PMAQI
5th Aug 2025424 PMAQI
5th Aug 2025445 PMAQI
5th Aug 2025406 PMAQI
5th Aug 2025297 PMAQI
5th Aug 2025318 PMAQI
5th Aug 2025349 PMAQI
5th Aug 20253010 PMAQI
5th Aug 20253211 PMAQI
6th Aug 20253812 AMAQI
6th Aug 2025361 AMAQI
6th Aug 2025312 AMAQI
6th Aug 2025323 AMAQI
6th Aug 2025344 AMAQI
25°C21/33°C
6th Aug 2025475 AMAQI
6th Aug 2025486 AMAQI
6th Aug 2025447 AMAQI
6th Aug 2025488 AMAQI
6th Aug 2025519 AMAQI
6th Aug 20255610 AMAQI
6th Aug 20255511 AMAQI
6th Aug 20254812 PMAQI
6th Aug 2025461 PMAQI
6th Aug 2025502 PMAQI
6th Aug 2025563 PMAQI
6th Aug 2025574 PMAQI
6th Aug 2025575 PMAQI
6th Aug 2025576 PMAQI
6th Aug 2025447 PMAQI
6th Aug 2025488 PMAQI
6th Aug 2025499 PMAQI
6th Aug 20255210 PMAQI
6th Aug 20255511 PMAQI
7th Aug 20255412 AMAQI
7th Aug 2025461 AMAQI
7th Aug 2025412 AMAQI
7th Aug 2025413 AMAQI
7th Aug 2025414 AMAQI
27°C20/35°C
7th Aug 2025455 AMAQI
7th Aug 2025486 AMAQI
7th Aug 2025467 AMAQI
7th Aug 2025498 AMAQI
7th Aug 2025529 AMAQI
7th Aug 20255610 AMAQI
7th Aug 20255311 AMAQI
7th Aug 20255312 PMAQI
7th Aug 2025541 PMAQI
7th Aug 2025532 PMAQI
7th Aug 2025543 PMAQI
7th Aug 2025544 PMAQI
7th Aug 2025535 PMAQI
7th Aug 2025546 PMAQI
7th Aug 2025537 PMAQI
7th Aug 2025538 PMAQI
7th Aug 2025539 PMAQI
7th Aug 20255310 PMAQI
7th Aug 20255211 PMAQI
8th Aug 20255312 AMAQI
8th Aug 2025521 AMAQI
8th Aug 2025522 AMAQI
8th Aug 2025523 AMAQI
8th Aug 2025524 AMAQI
28°C22/35°C
8th Aug 2025525 AMAQI
8th Aug 2025526 AMAQI
8th Aug 2025507 AMAQI
8th Aug 2025488 AMAQI
8th Aug 2025519 AMAQI
8th Aug 20254910 AMAQI
8th Aug 20255011 AMAQI
8th Aug 20255012 PMAQI
8th Aug 2025481 PMAQI
8th Aug 2025512 PMAQI
8th Aug 2025513 PMAQI
8th Aug 2025514 PMAQI
8th Aug 2025525 PMAQI
8th Aug 2025526 PMAQI
8th Aug 2025517 PMAQI
8th Aug 2025528 PMAQI
8th Aug 2025509 PMAQI
8th Aug 20255210 PMAQI
8th Aug 20255211 PMAQI
9th Aug 20255312 AMAQI
9th Aug 2025501 AMAQI
9th Aug 2025422 AMAQI
9th Aug 2025423 AMAQI
9th Aug 2025454 AMAQI
30°C24/37°C
9th Aug 2025445 AMAQI
9th Aug 2025436 AMAQI
9th Aug 2025437 AMAQI
9th Aug 2025438 AMAQI
9th Aug 2025449 AMAQI
9th Aug 20254110 AMAQI
9th Aug 20253711 AMAQI
9th Aug 20253412 PMAQI
9th Aug 2025341 PMAQI
9th Aug 2025402 PMAQI
9th Aug 2025413 PMAQI
9th Aug 2025444 PMAQI
9th Aug 2025465 PMAQI
9th Aug 2025476 PMAQI
9th Aug 2025467 PMAQI
9th Aug 2025478 PMAQI
9th Aug 2025469 PMAQI
9th Aug 20255010 PMAQI
9th Aug 20254711 PMAQI
10th Aug 20254912 AMAQI
10th Aug 2025451 AMAQI
10th Aug 2025412 AMAQI
10th Aug 2025393 AMAQI
10th Aug 2025424 AMAQI
29°C23/37°C
10th Aug 2025405 AMAQI
10th Aug 2025436 AMAQI
10th Aug 2025447 AMAQI
10th Aug 2025438 AMAQI
10th Aug 2025389 AMAQI
10th Aug 20254310 AMAQI
10th Aug 20253811 AMAQI
10th Aug 20253512 PMAQI
10th Aug 2025371 PMAQI
10th Aug 2025382 PMAQI
10th Aug 2025403 PMAQI
10th Aug 2025344 PMAQI
10th Aug 2025365 PMAQI
10th Aug 2025366 PMAQI
10th Aug 2025427 PMAQI
10th Aug 2025428 PMAQI
10th Aug 2025349 PMAQI
10th Aug 20253710 PMAQI
10th Aug 20253611 PMAQI
11th Aug 20253712 AMAQI
11th Aug 2025331 AMAQI
11th Aug 2025292 AMAQI
11th Aug 2025333 AMAQI
11th Aug 2025344 AMAQI
29°C23/34°C
11th Aug 2025315 AMAQI
11th Aug 2025336 AMAQI
11th Aug 2025347 AMAQI
11th Aug 2025398 AMAQI
11th Aug 2025439 AMAQI
11th Aug 20254510 AMAQI
11th Aug 20254711 AMAQI
11th Aug 20254212 PMAQI
11th Aug 2025401 PMAQI
11th Aug 2025402 PMAQI
11th Aug 2025413 PMAQI
11th Aug 2025444 PMAQI
11th Aug 2025515 PMAQI
11th Aug 2025506 PMAQI
11th Aug 2025347 PMAQI
11th Aug 2025418 PMAQI
11th Aug 2025489 PMAQI
11th Aug 20254510 PMAQI
11th Aug 20254711 PMAQI
12th Aug 20254612 AMAQI
12th Aug 2025451 AMAQI
12th Aug 2025442 AMAQI
12th Aug 2025413 AMAQI
12th Aug 2025434 AMAQI
28°C24/33°C
12th Aug 2025515 AMAQI
5 AM12th Aug 2025546 AMAQI
12 PM
8 PM
12 AM
4 AM
--°C/°C
Day time
Avg. Highest Time
5 AM - 8 PM
46AQI
16 hours / Day
480 hours / Month
Avg. Lowest Time
5 AM - 8 PM
46AQI
16 hours / Day
480 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 5 AM to 8 PM (Avg. 46), while the lowest AQI was between 5 AM to 8 PM (Avg. 46).
Night time
Avg. Highest Time
12 AM - 1 AM
47AQI
2 hours / Day
60 hours / Month
Avg. Lowest Time
2 AM - 11 PM
44AQI
6 hours / Day
180 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 1 AM (Avg. 47), while the lowest AQI was between 2 AM to 11 PM (Avg. 44).
2025 Days Vs Air Quality
Blair Street, St Louis, Missouri, United States
2025
86%
191
13%
30
0.4%
1
0.4%
1
Total number of days with different AQI categories in last 224 days in 2025 (141 days remaining)
Good
191 DaysModerate
30 DaysPoor
1 DaysUnhealthy
0 DaysSevere
1 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 86%
Health Risk Level:
Low
In 2025, 86% of 224 days were within WHO’s safe air quality limits. The risk of health issues is Low, but the long-term effects, especially on vulnerable individuals, remain uncertain.
Annual Air Quality Insights
Blair Street, St Louis, Missouri, United States
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
24AQI
24AQI
2nd January 2025
38AQI
38AQI
3rd January 2025
30AQI
30AQI
4th January 2025
23AQI
23AQI
5th January 2025
22AQI
22AQI
6th January 2025
20AQI
20AQI
7th January 2025
31AQI
31AQI
8th January 2025
53AQI
53AQI
9th January 2025
56AQI
56AQI
10th January 2025
55AQI
55AQI
11th January 2025
37AQI
37AQI
12th January 2025
29AQI
29AQI
13th January 2025
24AQI
24AQI
14th January 2025
30AQI
30AQI
15th January 2025
42AQI
42AQI
16th January 2025
36AQI
36AQI
17th January 2025
37AQI
37AQI
18th January 2025
21AQI
21AQI
19th January 2025
20AQI
20AQI
20th January 2025
23AQI
23AQI
21st January 2025
24AQI
24AQI
22nd January 2025
34AQI
34AQI
23rd January 2025
28AQI
28AQI
24th January 2025
33AQI
33AQI
25th January 2025
40AQI
40AQI
26th January 2025
31AQI
31AQI
27th January 2025
27AQI
27AQI
28th January 2025
24AQI
24AQI
29th January 2025
30AQI
30AQI
30th January 2025
42AQI
42AQI
31st January 2025
20AQI
20AQI
1st February 2025
35AQI
35AQI
2nd February 2025
29AQI
29AQI
3rd February 2025
42AQI
42AQI
4th February 2025
30AQI
30AQI
5th February 2025
29AQI
29AQI
6th February 2025
29AQI
29AQI
7th February 2025
34AQI
34AQI
8th February 2025
28AQI
28AQI
9th February 2025
29AQI
29AQI
10th February 2025
30AQI
30AQI
11th February 2025
39AQI
39AQI
12th February 2025
51AQI
51AQI
13th February 2025
32AQI
32AQI
14th February 2025
30AQI
30AQI
15th February 2025
26AQI
26AQI
16th February 2025
34AQI
34AQI
17th February 2025
21AQI
21AQI
18th February 2025
22AQI
22AQI
19th February 2025
22AQI
22AQI
20th February 2025
25AQI
25AQI
21st February 2025
44AQI
44AQI
22nd February 2025
46AQI
46AQI
23rd February 2025
41AQI
41AQI
24th February 2025
40AQI
40AQI
25th February 2025
34AQI
34AQI
26th February 2025
33AQI
33AQI
27th February 2025
28AQI
28AQI
28th February 2025
27AQI
27AQI
1st March 2025
27AQI
27AQI
2nd March 2025
30AQI
30AQI
3rd March 2025
34AQI
34AQI
4th March 2025
45AQI
45AQI
5th March 2025
23AQI
23AQI
6th March 2025
27AQI
27AQI
7th March 2025
30AQI
30AQI
8th March 2025
32AQI
32AQI
9th March 2025
47AQI
47AQI
10th March 2025
43AQI
43AQI
11th March 2025
56AQI
56AQI
12th March 2025
54AQI
54AQI
13th March 2025
69AQI
69AQI
14th March 2025
59AQI
59AQI
15th March 2025
212AQI
212AQI
16th March 2025
18AQI
18AQI
17th March 2025
28AQI
28AQI
18th March 2025
37AQI
37AQI
19th March 2025
35AQI
35AQI
20th March 2025
16AQI
16AQI
21st March 2025
33AQI
33AQI
22nd March 2025
19AQI
19AQI
23rd March 2025
21AQI
21AQI
24th March 2025
19AQI
19AQI
25th March 2025
25AQI
25AQI
26th March 2025
38AQI
38AQI
27th March 2025
51AQI
51AQI
28th March 2025
35AQI
35AQI
29th March 2025
36AQI
36AQI
30th March 2025
21AQI
21AQI
31st March 2025
17AQI
17AQI
1st April 2025
31AQI
31AQI
2nd April 2025
31AQI
31AQI
3rd April 2025
32AQI
32AQI
4th April 2025
31AQI
31AQI
5th April 2025
24AQI
24AQI
6th April 2025
19AQI
19AQI
7th April 2025
32AQI
32AQI
8th April 2025
20AQI
20AQI
9th April 2025
29AQI
29AQI
10th April 2025
40AQI
40AQI
11th April 2025
37AQI
37AQI
12th April 2025
50AQI
50AQI
13th April 2025
37AQI
37AQI
14th April 2025
36AQI
36AQI
15th April 2025
24AQI
24AQI
16th April 2025
34AQI
34AQI
17th April 2025
42AQI
42AQI
18th April 2025
49AQI
49AQI
19th April 2025
42AQI
42AQI
20th April 2025
47AQI
47AQI
21st April 2025
26AQI
26AQI
22nd April 2025
39AQI
39AQI
23rd April 2025
42AQI
42AQI
24th April 2025
52AQI
52AQI
25th April 2025
30AQI
30AQI
26th April 2025
22AQI
22AQI
27th April 2025
25AQI
25AQI
28th April 2025
33AQI
33AQI
29th April 2025
33AQI
33AQI
30th April 2025
34AQI
34AQI
1st May 2025
24AQI
24AQI
2nd May 2025
24AQI
24AQI
3rd May 2025
22AQI
22AQI
4th May 2025
18AQI
18AQI
5th May 2025
19AQI
19AQI
6th May 2025
37AQI
37AQI
7th May 2025
34AQI
34AQI
8th May 2025
33AQI
33AQI
9th May 2025
30AQI
30AQI
10th May 2025
37AQI
37AQI
11th May 2025
34AQI
34AQI
12th May 2025
43AQI
43AQI
13th May 2025
30AQI
30AQI
14th May 2025
33AQI
33AQI
15th May 2025
54AQI
54AQI
16th May 2025
41AQI
41AQI
17th May 2025
35AQI
35AQI
18th May 2025
31AQI
31AQI
19th May 2025
35AQI
35AQI
20th May 2025
25AQI
25AQI
21st May 2025
18AQI
18AQI
22nd May 2025
15AQI
15AQI
23rd May 2025
19AQI
19AQI
24th May 2025
35AQI
35AQI
25th May 2025
37AQI
37AQI
26th May 2025
22AQI
22AQI
27th May 2025
32AQI
32AQI
28th May 2025
26AQI
26AQI
29th May 2025
48AQI
48AQI
30th May 2025
30AQI
30AQI
31st May 2025
38AQI
38AQI
1st June 2025
39AQI
39AQI
2nd June 2025
44AQI
44AQI
3rd June 2025
56AQI
56AQI
4th June 2025
47AQI
47AQI
5th June 2025
41AQI
41AQI
6th June 2025
51AQI
51AQI
7th June 2025
77AQI
77AQI
8th June 2025
51AQI
51AQI
9th June 2025
53AQI
53AQI
10th June 2025
58AQI
58AQI
11th June 2025
71AQI
71AQI
12th June 2025
72AQI
72AQI
13th June 2025
44AQI
44AQI
14th June 2025
32AQI
32AQI
15th June 2025
41AQI
41AQI
16th June 2025
31AQI
31AQI
17th June 2025
35AQI
35AQI
18th June 2025
32AQI
32AQI
19th June 2025
27AQI
27AQI
20th June 2025
39AQI
39AQI
21st June 2025
47AQI
47AQI
22nd June 2025
50AQI
50AQI
23rd June 2025
57AQI
57AQI
24th June 2025
51AQI
51AQI
25th June 2025
47AQI
47AQI
26th June 2025
45AQI
45AQI
27th June 2025
36AQI
36AQI
28th June 2025
26AQI
26AQI
29th June 2025
23AQI
23AQI
30th June 2025
25AQI
25AQI
1st July 2025
27AQI
27AQI
2nd July 2025
42AQI
42AQI
3rd July 2025
51AQI
51AQI
4th July 2025
61AQI
61AQI
5th July 2025
84AQI
84AQI
6th July 2025
61AQI
61AQI
7th July 2025
42AQI
42AQI
8th July 2025
50AQI
50AQI
9th July 2025
37AQI
37AQI
10th July 2025
38AQI
38AQI
11th July 2025
41AQI
41AQI
12th July 2025
32AQI
32AQI
13th July 2025
33AQI
33AQI
14th July 2025
31AQI
31AQI
15th July 2025
39AQI
39AQI
16th July 2025
33AQI
33AQI
17th July 2025
43AQI
43AQI
18th July 2025
32AQI
32AQI
19th July 2025
50AQI
50AQI
20th July 2025
53AQI
53AQI
21st July 2025
32AQI
32AQI
22nd July 2025
44AQI
44AQI
23rd July 2025
55AQI
55AQI
24th July 2025
57AQI
57AQI
25th July 2025
45AQI
45AQI
26th July 2025
46AQI
46AQI
27th July 2025
28AQI
28AQI
28th July 2025
33AQI
33AQI
29th July 2025
48AQI
48AQI
30th July 2025
49AQI
49AQI
31st July 2025
46AQI
46AQI
1st August 2025
107AQI
107AQI
2nd August 2025
73AQI
73AQI
3rd August 2025
40AQI
40AQI
4th August 2025
37AQI
37AQI
5th August 2025
31AQI
31AQI
6th August 2025
46AQI
46AQI
7th August 2025
50AQI
50AQI
8th August 2025
51AQI
51AQI
9th August 2025
44AQI
44AQI
10th August 2025
40AQI
40AQI
11th August 2025
36AQI
36AQI
32AQI
33AQI
40AQI
34AQI
31AQI
45AQI
44AQI
50AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202538AQI
28
3
27
1
25
5
1
29
1
30
1
20
10
24
7
8
2
1
191
30
1
1
Highest AQI recorded in
August50AQI
Lowest AQI recorded in
May31AQI
202438AQI
25
6
19
10
28
3
29
1
30
1
29
1
24
7
22
9
28
2
22
9
30
29
2
315
51
Highest AQI recorded in
October45AQI
Lowest AQI recorded in
November29AQI
202345AQI
26
5
21
7
23
8
22
8
9
22
2
28
15
12
21
10
23
7
26
5
25
4
29
2
242
118
Highest AQI recorded in
June69AQI
Lowest AQI recorded in
December33AQI
202239AQI
29
2
18
4
29
2
16
1
27
4
21
9
15
7
2
30
24
7
26
4
25
6
262
46
Highest AQI recorded in
July48AQI
Lowest AQI recorded in
April35AQI
202140AQI
28
2
24
4
29
2
28
2
29
2
25
5
15
15
1
17
14
24
6
28
3
23
7
27
4
297
66
1
Highest AQI recorded in
July54AQI
Lowest AQI recorded in
October32AQI
202038AQI
11
2
21
19
25
5
25
6
27
4
27
3
27
4
29
1
18
13
229
38
Highest AQI recorded in
December45AQI
Lowest AQI recorded in
May30AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2023(Avg.)
45AQILeast Polluted Year Recorded
2025(Avg.)
38AQIBlair Street's annual 2025 AQI (38) shows an average percentage change of -5.9% (improved AQI) compared to previous years: 2020 (38), 2021 (40), 2022 (39), 2023 (45), 2024 (38).
