Austin Northwest, Austin, Texas, 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+
October Air Quality Analysis
Austin Northwest, Austin, Texas, United States
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
3rd Oct 2025
63AQILowest AQI recorded on
23rd Oct 2023
18AQISame Day Analysis (6th October ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 49 of Good air quality, showing improvement over 2022 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 6th Oct - 7th Oct 2025
Austin Northwest, Austin, Texas, United States
AQI
Day
Night
.
7 AM6th Oct 2025
7 PM
6 AM7th Oct 2025
Day time
Avg. Highest Time
11AM6th Oct
75AQI
Avg. Lowest Time
8AM6th Oct
49AQI
Night time
Avg. Highest Time
6AM7th Oct
46AQI
Avg. Lowest Time
6AM7th Oct
46AQI
In the last 24 hours,
Austin Northwest's AQI reached its highest point of 75 at 11 AM during the Day, while the lowest point, undefined, was recorded at 5 AM during the Night between 6th Oct and 7th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Austin Northwest, Austin, Texas, United States
SepOct
07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th
Day
Night
7th Sep 2025487 AMAQI
7th Sep 2025488 AMAQI
7th Sep 2025489 AMAQI
7th Sep 20255210 AMAQI
7th Sep 20255411 AMAQI
7th Sep 20255012 PMAQI
7th Sep 2025511 PMAQI
7th Sep 2025472 PMAQI
7th Sep 2025403 PMAQI
7th Sep 2025414 PMAQI
7th Sep 2025465 PMAQI
7th Sep 2025426 PMAQI
7th Sep 2025447 PMAQI
7th Sep 2025438 PMAQI
7th Sep 2025469 PMAQI
7th Sep 20254210 PMAQI
7th Sep 20254711 PMAQI
8th Sep 20255012 AMAQI
8th Sep 2025531 AMAQI
8th Sep 2025642 AMAQI
8th Sep 2025493 AMAQI
8th Sep 2025504 AMAQI
8th Sep 2025495 AMAQI
8th Sep 2025526 AMAQI
25°C23/28°C
8th Sep 2025527 AMAQI
8th Sep 2025518 AMAQI
8th Sep 2025519 AMAQI
8th Sep 20255010 AMAQI
8th Sep 20255211 AMAQI
8th Sep 20255212 PMAQI
8th Sep 2025511 PMAQI
8th Sep 2025512 PMAQI
8th Sep 2025513 PMAQI
8th Sep 2025524 PMAQI
8th Sep 2025545 PMAQI
8th Sep 2025546 PMAQI
8th Sep 2025527 PMAQI
8th Sep 2025518 PMAQI
8th Sep 2025499 PMAQI
8th Sep 20254810 PMAQI
8th Sep 20254911 PMAQI
9th Sep 20254912 AMAQI
9th Sep 2025471 AMAQI
9th Sep 2025462 AMAQI
9th Sep 2025503 AMAQI
9th Sep 2025494 AMAQI
9th Sep 2025485 AMAQI
9th Sep 2025506 AMAQI
28°C23/35°C
9th Sep 2025517 AMAQI
9th Sep 2025508 AMAQI
9th Sep 2025499 AMAQI
9th Sep 20255210 AMAQI
9th Sep 20255511 AMAQI
9th Sep 20255812 PMAQI
9th Sep 2025581 PMAQI
9th Sep 2025582 PMAQI
9th Sep 2025623 PMAQI
9th Sep 2025604 PMAQI
9th Sep 2025605 PMAQI
9th Sep 2025566 PMAQI
9th Sep 2025527 PMAQI
9th Sep 2025528 PMAQI
9th Sep 2025539 PMAQI
9th Sep 20255210 PMAQI
9th Sep 20255311 PMAQI
10th Sep 20255112 AMAQI
10th Sep 2025521 AMAQI
10th Sep 2025522 AMAQI
10th Sep 2025543 AMAQI
10th Sep 2025564 AMAQI
10th Sep 2025545 AMAQI
10th Sep 2025556 AMAQI
27°C19/36°C
10th Sep 2025557 AMAQI
10th Sep 2025568 AMAQI
10th Sep 2025559 AMAQI
10th Sep 20255910 AMAQI
10th Sep 20256111 AMAQI
10th Sep 20256412 PMAQI
10th Sep 2025631 PMAQI
10th Sep 2025622 PMAQI
10th Sep 2025613 PMAQI
10th Sep 2025624 PMAQI
10th Sep 2025595 PMAQI
10th Sep 2025616 PMAQI
10th Sep 2025567 PMAQI
10th Sep 2025568 PMAQI
10th Sep 2025569 PMAQI
10th Sep 20255610 PMAQI
10th Sep 20254911 PMAQI
11th Sep 20254712 AMAQI
11th Sep 2025501 AMAQI
11th Sep 2025532 AMAQI
11th Sep 2025543 AMAQI
11th Sep 2025554 AMAQI
11th Sep 2025555 AMAQI
11th Sep 2025556 AMAQI
29°C20/38°C
11th Sep 2025557 AMAQI
11th Sep 2025558 AMAQI
11th Sep 2025559 AMAQI
11th Sep 20255610 AMAQI
11th Sep 20255711 AMAQI
11th Sep 20255812 PMAQI
11th Sep 2025561 PMAQI
11th Sep 2025532 PMAQI
11th Sep 2025523 PMAQI
11th Sep 2025484 PMAQI
11th Sep 2025455 PMAQI
11th Sep 2025456 PMAQI
11th Sep 2025537 PMAQI
11th Sep 2025538 PMAQI
11th Sep 2025519 PMAQI
11th Sep 20255410 PMAQI
11th Sep 20254511 PMAQI
12th Sep 20254012 AMAQI
12th Sep 2025401 AMAQI
12th Sep 2025422 AMAQI
12th Sep 2025433 AMAQI
12th Sep 2025414 AMAQI
12th Sep 2025395 AMAQI
12th Sep 2025356 AMAQI
29°C21/37°C
12th Sep 2025387 AMAQI
12th Sep 2025398 AMAQI
12th Sep 2025409 AMAQI
12th Sep 20254510 AMAQI
12th Sep 20255311 AMAQI
12th Sep 20255812 PMAQI
12th Sep 2025601 PMAQI
12th Sep 2025622 PMAQI
12th Sep 2025693 PMAQI
12th Sep 2025624 PMAQI
12th Sep 2025585 PMAQI
12th Sep 2025586 PMAQI
12th Sep 2025447 PMAQI
12th Sep 2025488 PMAQI
12th Sep 2025469 PMAQI
12th Sep 20254710 PMAQI
12th Sep 20255611 PMAQI
13th Sep 20255812 AMAQI
13th Sep 2025551 AMAQI
13th Sep 2025552 AMAQI
13th Sep 2025533 AMAQI
13th Sep 2025534 AMAQI
13th Sep 2025555 AMAQI
13th Sep 2025546 AMAQI
30°C23/36°C
13th Sep 2025567 AMAQI
13th Sep 2025548 AMAQI
13th Sep 2025529 AMAQI
13th Sep 20255610 AMAQI
13th Sep 20255911 AMAQI
13th Sep 20255912 PMAQI
13th Sep 2025591 PMAQI
13th Sep 2025592 PMAQI
13th Sep 2025583 PMAQI
13th Sep 2025584 PMAQI
13th Sep 2025585 PMAQI
13th Sep 2025556 PMAQI
13th Sep 2025567 PMAQI
13th Sep 2025578 PMAQI
13th Sep 2025569 PMAQI
13th Sep 20255810 PMAQI
13th Sep 20255511 PMAQI
14th Sep 20255512 AMAQI
14th Sep 2025561 AMAQI
14th Sep 2025562 AMAQI
14th Sep 2025543 AMAQI
14th Sep 2025534 AMAQI
14th Sep 2025535 AMAQI
14th Sep 2025536 AMAQI
29°C23/35°C
14th Sep 2025547 AMAQI
14th Sep 2025568 AMAQI
14th Sep 2025569 AMAQI
14th Sep 20255710 AMAQI
14th Sep 20255811 AMAQI
14th Sep 20256012 PMAQI
14th Sep 2025601 PMAQI
14th Sep 2025602 PMAQI
14th Sep 2025593 PMAQI
14th Sep 2025584 PMAQI
14th Sep 2025555 PMAQI
14th Sep 2025556 PMAQI
14th Sep 2025567 PMAQI
14th Sep 2025558 PMAQI
14th Sep 2025559 PMAQI
14th Sep 20255610 PMAQI
14th Sep 20255411 PMAQI
15th Sep 20255412 AMAQI
15th Sep 2025561 AMAQI
15th Sep 2025552 AMAQI
15th Sep 2025563 AMAQI
15th Sep 2025564 AMAQI
15th Sep 2025575 AMAQI
15th Sep 2025566 AMAQI
30°C23/36°C
15th Sep 2025557 AMAQI
15th Sep 2025498 AMAQI
15th Sep 2025649 AMAQI
15th Sep 20255810 AMAQI
15th Sep 20255911 AMAQI
15th Sep 20256012 PMAQI
15th Sep 2025591 PMAQI
15th Sep 2025632 PMAQI
15th Sep 2025633 PMAQI
15th Sep 2025604 PMAQI
15th Sep 2025595 PMAQI
15th Sep 2025606 PMAQI
15th Sep 2025577 PMAQI
15th Sep 2025588 PMAQI
15th Sep 2025569 PMAQI
15th Sep 20255610 PMAQI
15th Sep 20255511 PMAQI
16th Sep 20254912 AMAQI
16th Sep 2025501 AMAQI
16th Sep 2025462 AMAQI
16th Sep 2025493 AMAQI
16th Sep 2025484 AMAQI
16th Sep 2025465 AMAQI
16th Sep 2025486 AMAQI
30°C24/38°C
16th Sep 2025447 AMAQI
16th Sep 2025458 AMAQI
16th Sep 2025509 AMAQI
16th Sep 20255210 AMAQI
16th Sep 20255311 AMAQI
16th Sep 20255612 PMAQI
16th Sep 2025541 PMAQI
16th Sep 2025562 PMAQI
16th Sep 2025573 PMAQI
16th Sep 2025574 PMAQI
16th Sep 2025545 PMAQI
16th Sep 2025536 PMAQI
16th Sep 2025527 PMAQI
16th Sep 2025528 PMAQI
16th Sep 2025529 PMAQI
16th Sep 20255010 PMAQI
16th Sep 20255311 PMAQI
17th Sep 20255712 AMAQI
17th Sep 2025571 AMAQI
17th Sep 2025562 AMAQI
17th Sep 2025523 AMAQI
17th Sep 2025544 AMAQI
17th Sep 2025545 AMAQI
17th Sep 2025566 AMAQI
30°C24/37°C
17th Sep 2025547 AMAQI
17th Sep 2025538 AMAQI
17th Sep 2025539 AMAQI
17th Sep 20255210 AMAQI
17th Sep 20255411 AMAQI
17th Sep 20255612 PMAQI
17th Sep 2025571 PMAQI
17th Sep 2025562 PMAQI
17th Sep 2025563 PMAQI
17th Sep 2025564 PMAQI
17th Sep 2025565 PMAQI
17th Sep 2025556 PMAQI
17th Sep 2025567 PMAQI
17th Sep 2025558 PMAQI
17th Sep 2025559 PMAQI
17th Sep 20255510 PMAQI
17th Sep 20255411 PMAQI
18th Sep 20255412 AMAQI
18th Sep 2025541 AMAQI
18th Sep 2025542 AMAQI
18th Sep 2025483 AMAQI
18th Sep 2025424 AMAQI
18th Sep 2025445 AMAQI
18th Sep 2025436 AMAQI
30°C24/37°C
18th Sep 2025487 AMAQI
18th Sep 2025498 AMAQI
18th Sep 2025449 AMAQI
18th Sep 20254410 AMAQI
18th Sep 20255111 AMAQI
18th Sep 20255412 PMAQI
18th Sep 2025531 PMAQI
18th Sep 2025562 PMAQI
18th Sep 2025543 PMAQI
18th Sep 2025544 PMAQI
18th Sep 2025545 PMAQI
18th Sep 2025546 PMAQI
18th Sep 2025527 PMAQI
18th Sep 2025528 PMAQI
18th Sep 2025529 PMAQI
18th Sep 20255310 PMAQI
18th Sep 20255211 PMAQI
19th Sep 20255212 AMAQI
19th Sep 2025521 AMAQI
19th Sep 2025522 AMAQI
19th Sep 2025463 AMAQI
19th Sep 2025464 AMAQI
19th Sep 2025465 AMAQI
19th Sep 2025486 AMAQI
30°C24/38°C
19th Sep 2025507 AMAQI
19th Sep 2025488 AMAQI
19th Sep 2025499 AMAQI
19th Sep 20254810 AMAQI
19th Sep 20255011 AMAQI
19th Sep 20255412 PMAQI
19th Sep 2025531 PMAQI
19th Sep 2025552 PMAQI
19th Sep 2025533 PMAQI
19th Sep 2025544 PMAQI
19th Sep 2025535 PMAQI
19th Sep 2025526 PMAQI
19th Sep 2025537 PMAQI
19th Sep 2025528 PMAQI
19th Sep 2025539 PMAQI
19th Sep 20255110 PMAQI
19th Sep 20255011 PMAQI
20th Sep 20255212 AMAQI
20th Sep 2025511 AMAQI
20th Sep 2025512 AMAQI
20th Sep 2025503 AMAQI
20th Sep 2025424 AMAQI
20th Sep 2025335 AMAQI
20th Sep 2025326 AMAQI
31°C25/37°C
20th Sep 2025377 AMAQI
20th Sep 2025388 AMAQI
20th Sep 2025429 AMAQI
20th Sep 20253810 AMAQI
20th Sep 20254511 AMAQI
20th Sep 20254212 PMAQI
20th Sep 2025441 PMAQI
20th Sep 2025432 PMAQI
20th Sep 2025433 PMAQI
20th Sep 2025444 PMAQI
20th Sep 2025455 PMAQI
20th Sep 2025446 PMAQI
20th Sep 2025437 PMAQI
20th Sep 2025448 PMAQI
20th Sep 2025459 PMAQI
20th Sep 20254410 PMAQI
20th Sep 20254211 PMAQI
21st Sep 20254212 AMAQI
21st Sep 2025431 AMAQI
21st Sep 2025412 AMAQI
21st Sep 2025383 AMAQI
21st Sep 2025294 AMAQI
21st Sep 2025385 AMAQI
21st Sep 2025326 AMAQI
30°C23/36°C
21st Sep 2025347 AMAQI
21st Sep 2025328 AMAQI
21st Sep 2025339 AMAQI
21st Sep 20253010 AMAQI
21st Sep 20253911 AMAQI
21st Sep 20254112 PMAQI
21st Sep 2025421 PMAQI
21st Sep 2025462 PMAQI
21st Sep 2025393 PMAQI
21st Sep 2025374 PMAQI
21st Sep 2025365 PMAQI
21st Sep 2025366 PMAQI
21st Sep 2025367 PMAQI
21st Sep 2025368 PMAQI
21st Sep 2025359 PMAQI
21st Sep 20253410 PMAQI
21st Sep 20253211 PMAQI
22nd Sep 20253312 AMAQI
22nd Sep 2025291 AMAQI
22nd Sep 2025262 AMAQI
22nd Sep 2025233 AMAQI
22nd Sep 2025244 AMAQI
22nd Sep 2025265 AMAQI
22nd Sep 2025306 AMAQI
30°C25/38°C
22nd Sep 2025287 AMAQI
22nd Sep 2025248 AMAQI
22nd Sep 2025209 AMAQI
22nd Sep 20252210 AMAQI
22nd Sep 20252811 AMAQI
22nd Sep 20253012 PMAQI
22nd Sep 2025291 PMAQI
22nd Sep 2025342 PMAQI
22nd Sep 2025313 PMAQI
22nd Sep 2025304 PMAQI
22nd Sep 2025295 PMAQI
22nd Sep 2025296 PMAQI
22nd Sep 2025287 PMAQI
22nd Sep 2025288 PMAQI
22nd Sep 2025289 PMAQI
22nd Sep 20252710 PMAQI
22nd Sep 20252511 PMAQI
23rd Sep 20252512 AMAQI
23rd Sep 2025261 AMAQI
23rd Sep 2025242 AMAQI
23rd Sep 2025203 AMAQI
23rd Sep 2025214 AMAQI
23rd Sep 2025255 AMAQI
23rd Sep 2025226 AMAQI
31°C25/39°C
23rd Sep 2025237 AMAQI
23rd Sep 2025268 AMAQI
23rd Sep 2025279 AMAQI
23rd Sep 20252710 AMAQI
23rd Sep 20252811 AMAQI
23rd Sep 20252912 PMAQI
23rd Sep 2025281 PMAQI
23rd Sep 2025322 PMAQI
23rd Sep 2025303 PMAQI
23rd Sep 2025304 PMAQI
23rd Sep 2025295 PMAQI
23rd Sep 2025306 PMAQI
23rd Sep 2025287 PMAQI
23rd Sep 2025288 PMAQI
23rd Sep 2025269 PMAQI
23rd Sep 20252710 PMAQI
23rd Sep 20252911 PMAQI
24th Sep 20252812 AMAQI
24th Sep 2025261 AMAQI
24th Sep 2025272 AMAQI
24th Sep 2025283 AMAQI
24th Sep 2025254 AMAQI
24th Sep 2025255 AMAQI
24th Sep 2025306 AMAQI
31°C26/39°C
24th Sep 2025277 AMAQI
24th Sep 2025288 AMAQI
24th Sep 2025269 AMAQI
24th Sep 20252410 AMAQI
24th Sep 20253211 AMAQI
24th Sep 20253912 PMAQI
24th Sep 2025321 PMAQI
24th Sep 2025282 PMAQI
24th Sep 2025263 PMAQI
24th Sep 2025284 PMAQI
24th Sep 2025265 PMAQI
24th Sep 2025266 PMAQI
24th Sep 2025287 PMAQI
24th Sep 2025278 PMAQI
24th Sep 2025279 PMAQI
24th Sep 20252810 PMAQI
24th Sep 20252611 PMAQI
25th Sep 20252712 AMAQI
25th Sep 2025271 AMAQI
25th Sep 2025252 AMAQI
25th Sep 2025223 AMAQI
25th Sep 2025254 AMAQI
25th Sep 2025225 AMAQI
25th Sep 2025226 AMAQI
29°C27/34°C
25th Sep 2025227 AMAQI
25th Sep 2025258 AMAQI
25th Sep 2025349 AMAQI
25th Sep 20253910 AMAQI
25th Sep 20253011 AMAQI
25th Sep 20253712 PMAQI
25th Sep 2025421 PMAQI
25th Sep 2025402 PMAQI
25th Sep 2025383 PMAQI
25th Sep 2025404 PMAQI
25th Sep 2025405 PMAQI
25th Sep 2025426 PMAQI
25th Sep 2025427 PMAQI
25th Sep 2025428 PMAQI
25th Sep 2025409 PMAQI
25th Sep 20253610 PMAQI
25th Sep 20253311 PMAQI
26th Sep 20253212 AMAQI
26th Sep 2025321 AMAQI
26th Sep 2025312 AMAQI
26th Sep 2025323 AMAQI
26th Sep 2025384 AMAQI
26th Sep 2025395 AMAQI
26th Sep 2025416 AMAQI
27°C22/34°C
26th Sep 2025417 AMAQI
26th Sep 2025368 AMAQI
26th Sep 2025349 AMAQI
26th Sep 20253010 AMAQI
26th Sep 20253311 AMAQI
26th Sep 20254412 PMAQI
26th Sep 2025491 PMAQI
26th Sep 2025542 PMAQI
26th Sep 2025573 PMAQI
26th Sep 2025614 PMAQI
26th Sep 2025615 PMAQI
26th Sep 2025616 PMAQI
26th Sep 2025597 PMAQI
26th Sep 2025508 PMAQI
26th Sep 2025439 PMAQI
26th Sep 20253810 PMAQI
26th Sep 20253711 PMAQI
27th Sep 20253412 AMAQI
27th Sep 2025331 AMAQI
27th Sep 2025332 AMAQI
27th Sep 2025333 AMAQI
27th Sep 2025384 AMAQI
27th Sep 2025425 AMAQI
27th Sep 2025406 AMAQI
27°C18/36°C
27th Sep 2025447 AMAQI
27th Sep 2025448 AMAQI
27th Sep 2025449 AMAQI
27th Sep 20254410 AMAQI
27th Sep 20255111 AMAQI
27th Sep 20255012 PMAQI
27th Sep 2025431 PMAQI
27th Sep 2025502 PMAQI
27th Sep 2025503 PMAQI
27th Sep 2025354 PMAQI
27th Sep 2025355 PMAQI
27th Sep 2025336 PMAQI
27th Sep 2025277 PMAQI
27th Sep 2025238 PMAQI
27th Sep 2025229 PMAQI
27th Sep 20253210 PMAQI
27th Sep 20252811 PMAQI
28th Sep 20252812 AMAQI
28th Sep 2025281 AMAQI
28th Sep 2025282 AMAQI
28th Sep 2025303 AMAQI
28th Sep 2025334 AMAQI
28th Sep 2025335 AMAQI
28th Sep 2025336 AMAQI
27°C18/37°C
28th Sep 2025347 AMAQI
28th Sep 2025358 AMAQI
28th Sep 2025379 AMAQI
28th Sep 20254010 AMAQI
28th Sep 20255311 AMAQI
28th Sep 20255512 PMAQI
28th Sep 2025561 PMAQI
28th Sep 2025482 PMAQI
28th Sep 2025483 PMAQI
28th Sep 2025464 PMAQI
28th Sep 2025445 PMAQI
28th Sep 2025366 PMAQI
28th Sep 2025337 PMAQI
28th Sep 2025228 PMAQI
28th Sep 2025289 PMAQI
28th Sep 20252810 PMAQI
28th Sep 20253711 PMAQI
29th Sep 20253412 AMAQI
29th Sep 2025331 AMAQI
29th Sep 2025332 AMAQI
29th Sep 2025343 AMAQI
29th Sep 2025444 AMAQI
29th Sep 2025335 AMAQI
29th Sep 2025446 AMAQI
27°C19/36°C
29th Sep 2025547 AMAQI
29th Sep 2025518 AMAQI
29th Sep 2025429 AMAQI
29th Sep 20253910 AMAQI
29th Sep 20255311 AMAQI
29th Sep 20254112 PMAQI
29th Sep 2025371 PMAQI
29th Sep 2025392 PMAQI
29th Sep 2025343 PMAQI
29th Sep 2025304 PMAQI
29th Sep 2025215 PMAQI
29th Sep 2025226 PMAQI
29th Sep 2025217 PMAQI
29th Sep 2025338 PMAQI
29th Sep 2025399 PMAQI
29th Sep 20254410 PMAQI
29th Sep 20254311 PMAQI
30th Sep 20253112 AMAQI
30th Sep 2025331 AMAQI
30th Sep 2025372 AMAQI
30th Sep 2025323 AMAQI
30th Sep 2025464 AMAQI
30th Sep 2025425 AMAQI
30th Sep 2025286 AMAQI
27°C19/36°C
30th Sep 2025337 AMAQI
30th Sep 2025278 AMAQI
30th Sep 2025289 AMAQI
30th Sep 20253310 AMAQI
30th Sep 20253011 AMAQI
30th Sep 20254312 PMAQI
30th Sep 2025461 PMAQI
30th Sep 2025442 PMAQI
30th Sep 2025423 PMAQI
30th Sep 2025404 PMAQI
30th Sep 2025505 PMAQI
30th Sep 2025486 PMAQI
30th Sep 2025387 PMAQI
30th Sep 2025378 PMAQI
30th Sep 2025389 PMAQI
30th Sep 20253810 PMAQI
30th Sep 20255111 PMAQI
1st Oct 20255012 AMAQI
1st Oct 2025501 AMAQI
1st Oct 2025502 AMAQI
1st Oct 2025503 AMAQI
1st Oct 2025574 AMAQI
1st Oct 2025655 AMAQI
1st Oct 2025576 AMAQI
29°C21/37°C
1st Oct 2025587 AMAQI
1st Oct 2025608 AMAQI
1st Oct 2025569 AMAQI
1st Oct 20255910 AMAQI
1st Oct 20255911 AMAQI
1st Oct 20256212 PMAQI
1st Oct 2025621 PMAQI
1st Oct 2025652 PMAQI
1st Oct 2025613 PMAQI
1st Oct 2025614 PMAQI
1st Oct 2025495 PMAQI
1st Oct 2025526 PMAQI
1st Oct 2025527 PMAQI
1st Oct 2025538 PMAQI
1st Oct 2025599 PMAQI
1st Oct 20254610 PMAQI
1st Oct 20254111 PMAQI
2nd Oct 20255012 AMAQI
2nd Oct 2025531 AMAQI
2nd Oct 2025532 AMAQI
2nd Oct 2025533 AMAQI
2nd Oct 2025594 AMAQI
2nd Oct 2025605 AMAQI
2nd Oct 2025616 AMAQI
28°C20/38°C
2nd Oct 2025627 AMAQI
2nd Oct 2025678 AMAQI
2nd Oct 2025659 AMAQI
2nd Oct 20256810 AMAQI
2nd Oct 20257711 AMAQI
2nd Oct 20257612 PMAQI
2nd Oct 2025761 PMAQI
2nd Oct 2025662 PMAQI
2nd Oct 2025683 PMAQI
2nd Oct 2025644 PMAQI
2nd Oct 2025585 PMAQI
2nd Oct 2025516 PMAQI
2nd Oct 2025487 PMAQI
2nd Oct 2025548 PMAQI
2nd Oct 2025559 PMAQI
2nd Oct 20255110 PMAQI
2nd Oct 20255711 PMAQI
3rd Oct 20255812 AMAQI
3rd Oct 2025581 AMAQI
3rd Oct 2025592 AMAQI
3rd Oct 2025593 AMAQI
3rd Oct 2025594 AMAQI
3rd Oct 2025655 AMAQI
3rd Oct 2025576 AMAQI
29°C20/38°C
3rd Oct 2025677 AMAQI
3rd Oct 2025718 AMAQI
3rd Oct 2025749 AMAQI
3rd Oct 20257210 AMAQI
3rd Oct 20256711 AMAQI
3rd Oct 20257312 PMAQI
3rd Oct 2025731 PMAQI
3rd Oct 2025782 PMAQI
3rd Oct 2025743 PMAQI
3rd Oct 2025744 PMAQI
3rd Oct 2025645 PMAQI
3rd Oct 2025686 PMAQI
3rd Oct 2025477 PMAQI
3rd Oct 2025558 PMAQI
3rd Oct 2025619 PMAQI
3rd Oct 20256010 PMAQI
3rd Oct 20256111 PMAQI
4th Oct 20255612 AMAQI
4th Oct 2025561 AMAQI
4th Oct 2025562 AMAQI
4th Oct 2025563 AMAQI
4th Oct 2025684 AMAQI
4th Oct 2025685 AMAQI
4th Oct 2025646 AMAQI
29°C22/37°C
4th Oct 2025647 AMAQI
4th Oct 2025558 AMAQI
4th Oct 2025549 AMAQI
4th Oct 20256110 AMAQI
4th Oct 20255911 AMAQI
4th Oct 20256712 PMAQI
4th Oct 2025651 PMAQI
4th Oct 2025682 PMAQI
4th Oct 2025723 PMAQI
4th Oct 2025644 PMAQI
4th Oct 2025625 PMAQI
4th Oct 2025536 PMAQI
4th Oct 2025527 PMAQI
4th Oct 2025548 PMAQI
4th Oct 2025549 PMAQI
4th Oct 20255810 PMAQI
4th Oct 20255611 PMAQI
5th Oct 20255312 AMAQI
5th Oct 2025471 AMAQI
5th Oct 2025482 AMAQI
5th Oct 2025443 AMAQI
5th Oct 2025524 AMAQI
5th Oct 2025535 AMAQI
5th Oct 2025566 AMAQI
28°C21/36°C
5th Oct 2025577 AMAQI
5th Oct 2025568 AMAQI
5th Oct 2025379 AMAQI
5th Oct 20254610 AMAQI
5th Oct 20254811 AMAQI
5th Oct 20255412 PMAQI
5th Oct 2025621 PMAQI
5th Oct 2025652 PMAQI
5th Oct 2025663 PMAQI
5th Oct 2025624 PMAQI
5th Oct 2025595 PMAQI
5th Oct 2025496 PMAQI
5th Oct 2025497 PMAQI
5th Oct 2025458 PMAQI
5th Oct 2025399 PMAQI
5th Oct 20255110 PMAQI
5th Oct 20254711 PMAQI
6th Oct 20254012 AMAQI
6th Oct 2025471 AMAQI
6th Oct 2025452 AMAQI
6th Oct 2025463 AMAQI
6th Oct 2025594 AMAQI
6th Oct 2025545 AMAQI
6th Oct 2025566 AMAQI
28°C21/36°C
6th Oct 2025537 AMAQI
6th Oct 2025498 AMAQI
6th Oct 2025519 AMAQI
6th Oct 20255410 AMAQI
6th Oct 20257511 AMAQI
6th Oct 20256412 PMAQI
7th Oct 2025466 AMAQI
28°C21/37°C
7th Oct 2025427 AMAQI
7 AM7th Oct 2025448 AMAQI
7th Oct 2025489 AMAQI
7th Oct 20254710 AMAQI
7th Oct 20254411 AMAQI
7th Oct 20254612 PMAQI
7th Oct 2025551 PMAQI
1 PM7th Oct 2025452 PMAQI
7 PM
1 AM
6 AM
--°C/°C
Day time
Avg. Highest Time
12 PM - 4 PM
52AQI
5 hours / Day
150 hours / Month
Avg. Lowest Time
7 PM
45AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 PM to 4 PM (Avg. 52), while the lowest AQI was between 7 PM to 7 PM (Avg. 45).
Night time
Avg. Highest Time
4 AM - 11 PM
45AQI
7 hours / Day
210 hours / Month
Avg. Lowest Time
12 AM - 3 AM
45AQI
4 hours / Day
120 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 4 AM to 11 PM (Avg. 45), while the lowest AQI was between 12 AM to 3 AM (Avg. 45).
2025 Days Vs Air Quality
Austin Northwest, Austin, Texas, United States
2025
73%
204
27%
75
Total number of days with different AQI categories in last 280 days in 2025 (85 days remaining)
Good
204 DaysModerate
75 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 73%
Health Risk Level:
Low
In 2025, 73% of 280 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
Austin Northwest, Austin, Texas, 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.
-1th undefined 2025
-1th undefined 2025
-1th undefined 2025
1st January 2025
40AQI
40AQI
2nd January 2025
40AQI
40AQI
3rd January 2025
58AQI
58AQI
4th January 2025
48AQI
48AQI
5th January 2025
30AQI
30AQI
6th January 2025
26AQI
26AQI
7th January 2025
29AQI
29AQI
8th January 2025
32AQI
32AQI
9th January 2025
36AQI
36AQI
10th January 2025
25AQI
25AQI
11th January 2025
29AQI
29AQI
12th January 2025
30AQI
30AQI
13th January 2025
26AQI
26AQI
14th January 2025
33AQI
33AQI
15th January 2025
33AQI
33AQI
16th January 2025
33AQI
33AQI
17th January 2025
32AQI
32AQI
18th January 2025
30AQI
30AQI
19th January 2025
25AQI
25AQI
20th January 2025
26AQI
26AQI
21st January 2025
31AQI
31AQI
22nd January 2025
41AQI
41AQI
23rd January 2025
36AQI
36AQI
24th January 2025
28AQI
28AQI
25th January 2025
33AQI
33AQI
26th January 2025
31AQI
31AQI
27th January 2025
33AQI
33AQI
28th January 2025
45AQI
45AQI
29th January 2025
39AQI
39AQI
30th January 2025
29AQI
29AQI
31st January 2025
27AQI
27AQI
1st February 2025
30AQI
30AQI
2nd February 2025
31AQI
31AQI
3rd February 2025
28AQI
28AQI
4th February 2025
33AQI
33AQI
5th February 2025
37AQI
37AQI
6th February 2025
48AQI
48AQI
7th February 2025
47AQI
47AQI
8th February 2025
50AQI
50AQI
9th February 2025
36AQI
36AQI
10th February 2025
37AQI
37AQI
11th February 2025
28AQI
28AQI
12th February 2025
27AQI
27AQI
13th February 2025
29AQI
29AQI
14th February 2025
49AQI
49AQI
15th February 2025
41AQI
41AQI
16th February 2025
37AQI
37AQI
17th February 2025
41AQI
41AQI
18th February 2025
38AQI
38AQI
19th February 2025
27AQI
27AQI
20th February 2025
29AQI
29AQI
21st February 2025
31AQI
31AQI
22nd February 2025
35AQI
35AQI
23rd February 2025
32AQI
32AQI
24th February 2025
35AQI
35AQI
25th February 2025
38AQI
38AQI
26th February 2025
31AQI
31AQI
27th February 2025
30AQI
30AQI
28th February 2025
36AQI
36AQI
1st March 2025
45AQI
45AQI
2nd March 2025
43AQI
43AQI
3rd March 2025
42AQI
42AQI
4th March 2025
50AQI
50AQI
5th March 2025
40AQI
40AQI
6th March 2025
35AQI
35AQI
7th March 2025
55AQI
55AQI
8th March 2025
52AQI
52AQI
9th March 2025
30AQI
30AQI
10th March 2025
33AQI
33AQI
11th March 2025
36AQI
36AQI
12th March 2025
43AQI
43AQI
13th March 2025
47AQI
47AQI
14th March 2025
55AQI
55AQI
15th March 2025
74AQI
74AQI
16th March 2025
36AQI
36AQI
17th March 2025
41AQI
41AQI
18th March 2025
37AQI
37AQI
19th March 2025
48AQI
48AQI
20th March 2025
33AQI
33AQI
21st March 2025
38AQI
38AQI
22nd March 2025
39AQI
39AQI
23rd March 2025
43AQI
43AQI
24th March 2025
43AQI
43AQI
25th March 2025
52AQI
52AQI
26th March 2025
48AQI
48AQI
27th March 2025
32AQI
32AQI
28th March 2025
30AQI
30AQI
29th March 2025
41AQI
41AQI
30th March 2025
70AQI
70AQI
31st March 2025
48AQI
48AQI
1st April 2025
53AQI
53AQI
2nd April 2025
65AQI
65AQI
3rd April 2025
73AQI
73AQI
4th April 2025
59AQI
59AQI
5th April 2025
28AQI
28AQI
6th April 2025
25AQI
25AQI
7th April 2025
25AQI
25AQI
8th April 2025
34AQI
34AQI
9th April 2025
34AQI
34AQI
10th April 2025
42AQI
42AQI
11th April 2025
43AQI
43AQI
12th April 2025
49AQI
49AQI
13th April 2025
41AQI
41AQI
14th April 2025
40AQI
40AQI
15th April 2025
42AQI
42AQI
16th April 2025
49AQI
49AQI
17th April 2025
39AQI
39AQI
18th April 2025
52AQI
52AQI
19th April 2025
61AQI
61AQI
20th April 2025
41AQI
41AQI
21st April 2025
26AQI
26AQI
22nd April 2025
43AQI
43AQI
23rd April 2025
41AQI
41AQI
24th April 2025
57AQI
57AQI
25th April 2025
52AQI
52AQI
26th April 2025
59AQI
59AQI
27th April 2025
51AQI
51AQI
28th April 2025
53AQI
53AQI
29th April 2025
45AQI
45AQI
30th April 2025
54AQI
54AQI
1st May 2025
55AQI
55AQI
2nd May 2025
41AQI
41AQI
3rd May 2025
28AQI
28AQI
4th May 2025
27AQI
27AQI
5th May 2025
32AQI
32AQI
6th May 2025
42AQI
42AQI
7th May 2025
34AQI
34AQI
8th May 2025
36AQI
36AQI
9th May 2025
25AQI
25AQI
10th May 2025
31AQI
31AQI
11th May 2025
33AQI
33AQI
12th May 2025
34AQI
34AQI
13th May 2025
45AQI
45AQI
14th May 2025
52AQI
52AQI
15th May 2025
64AQI
64AQI
16th May 2025
68AQI
68AQI
17th May 2025
72AQI
72AQI
18th May 2025
56AQI
56AQI
19th May 2025
64AQI
64AQI
20th May 2025
59AQI
59AQI
21st May 2025
36AQI
36AQI
22nd May 2025
61AQI
61AQI
23rd May 2025
51AQI
51AQI
24th May 2025
55AQI
55AQI
25th May 2025
59AQI
59AQI
26th May 2025
59AQI
59AQI
27th May 2025
35AQI
35AQI
28th May 2025
32AQI
32AQI
29th May 2025
35AQI
35AQI
30th May 2025
39AQI
39AQI
31st May 2025
38AQI
38AQI
1st June 2025
46AQI
46AQI
2nd June 2025
49AQI
49AQI
3rd June 2025
59AQI
59AQI
4th June 2025
57AQI
57AQI
5th June 2025
51AQI
51AQI
6th June 2025
58AQI
58AQI
7th June 2025
56AQI
56AQI
8th June 2025
58AQI
58AQI
9th June 2025
48AQI
48AQI
10th June 2025
50AQI
50AQI
11th June 2025
38AQI
38AQI
12th June 2025
32AQI
32AQI
13th June 2025
37AQI
37AQI
14th June 2025
53AQI
53AQI
15th June 2025
54AQI
54AQI
16th June 2025
38AQI
38AQI
17th June 2025
37AQI
37AQI
18th June 2025
55AQI
55AQI
19th June 2025
54AQI
54AQI
20th June 2025
52AQI
52AQI
21st June 2025
39AQI
39AQI
22nd June 2025
41AQI
41AQI
23rd June 2025
46AQI
46AQI
24th June 2025
33AQI
33AQI
25th June 2025
24AQI
24AQI
26th June 2025
25AQI
25AQI
27th June 2025
29AQI
29AQI
28th June 2025
27AQI
27AQI
29th June 2025
27AQI
27AQI
30th June 2025
42AQI
42AQI
1st July 2025
46AQI
46AQI
2nd July 2025
53AQI
53AQI
3rd July 2025
45AQI
45AQI
4th July 2025
43AQI
43AQI
5th July 2025
57AQI
57AQI
6th July 2025
60AQI
60AQI
7th July 2025
54AQI
54AQI
8th July 2025
48AQI
48AQI
9th July 2025
37AQI
37AQI
10th July 2025
41AQI
41AQI
11th July 2025
48AQI
48AQI
12th July 2025
42AQI
42AQI
13th July 2025
37AQI
37AQI
14th July 2025
34AQI
34AQI
15th July 2025
48AQI
48AQI
16th July 2025
58AQI
58AQI
17th July 2025
62AQI
62AQI
18th July 2025
49AQI
49AQI
19th July 2025
46AQI
46AQI
20th July 2025
44AQI
44AQI
21st July 2025
49AQI
49AQI
22nd July 2025
44AQI
44AQI
23rd July 2025
40AQI
40AQI
24th July 2025
34AQI
34AQI
25th July 2025
31AQI
31AQI
26th July 2025
31AQI
31AQI
27th July 2025
33AQI
33AQI
28th July 2025
50AQI
50AQI
29th July 2025
59AQI
59AQI
30th July 2025
53AQI
53AQI
31st July 2025
51AQI
51AQI
1st August 2025
44AQI
44AQI
2nd August 2025
42AQI
42AQI
3rd August 2025
42AQI
42AQI
4th August 2025
33AQI
33AQI
5th August 2025
42AQI
42AQI
6th August 2025
44AQI
44AQI
7th August 2025
38AQI
38AQI
8th August 2025
39AQI
39AQI
9th August 2025
42AQI
42AQI
10th August 2025
40AQI
40AQI
11th August 2025
40AQI
40AQI
12th August 2025
40AQI
40AQI
13th August 2025
41AQI
41AQI
14th August 2025
59AQI
59AQI
15th August 2025
43AQI
43AQI
16th August 2025
41AQI
41AQI
17th August 2025
52AQI
52AQI
18th August 2025
33AQI
33AQI
19th August 2025
35AQI
35AQI
20th August 2025
50AQI
50AQI
21st August 2025
48AQI
48AQI
22nd August 2025
62AQI
62AQI
23rd August 2025
49AQI
49AQI
24th August 2025
53AQI
53AQI
25th August 2025
58AQI
58AQI
26th August 2025
54AQI
54AQI
27th August 2025
50AQI
50AQI
28th August 2025
52AQI
52AQI
29th August 2025
50AQI
50AQI
30th August 2025
49AQI
49AQI
31st August 2025
43AQI
43AQI
1st September 2025
34AQI
34AQI
2nd September 2025
40AQI
40AQI
3rd September 2025
44AQI
44AQI
4th September 2025
38AQI
38AQI
5th September 2025
46AQI
46AQI
6th September 2025
40AQI
40AQI
7th September 2025
48AQI
48AQI
8th September 2025
52AQI
52AQI
9th September 2025
52AQI
52AQI
10th September 2025
56AQI
56AQI
11th September 2025
52AQI
52AQI
12th September 2025
48AQI
48AQI
13th September 2025
56AQI
56AQI
14th September 2025
56AQI
56AQI
15th September 2025
57AQI
57AQI
16th September 2025
51AQI
51AQI
17th September 2025
55AQI
55AQI
18th September 2025
51AQI
51AQI
19th September 2025
51AQI
51AQI
20th September 2025
44AQI
44AQI
21st September 2025
37AQI
37AQI
22nd September 2025
27AQI
27AQI
23rd September 2025
27AQI
27AQI
24th September 2025
28AQI
28AQI
25th September 2025
33AQI
33AQI
26th September 2025
42AQI
42AQI
27th September 2025
36AQI
36AQI
28th September 2025
36AQI
36AQI
29th September 2025
36AQI
36AQI
30th September 2025
39AQI
39AQI
1st October 2025
55AQI
55AQI
2nd October 2025
59AQI
59AQI
3rd October 2025
63AQI
63AQI
4th October 2025
60AQI
60AQI
5th October 2025
51AQI
51AQI
6th October 2025
49AQI
49AQI
7th October 2025
8th October 2025
9th October 2025
10th October 2025
11th October 2025
12th October 2025
13th October 2025
14th October 2025
15th October 2025
16th October 2025
17th October 2025
18th October 2025
19th October 2025
20th October 2025
21st October 2025
22nd October 2025
23rd October 2025
24th October 2025
25th October 2025
26th October 2025
27th October 2025
28th October 2025
29th October 2025
30th October 2025
31st October 2025
1st November 2025
2nd November 2025
3rd November 2025
4th November 2025
5th November 2025
6th November 2025
7th November 2025
8th November 2025
9th November 2025
10th November 2025
11th November 2025
12th November 2025
13th November 2025
14th November 2025
15th November 2025
16th November 2025
17th November 2025
18th November 2025
19th November 2025
20th November 2025
21st November 2025
22nd November 2025
23rd November 2025
24th November 2025
25th November 2025
26th November 2025
27th November 2025
28th November 2025
29th November 2025
30th November 2025
1st December 2025
2nd December 2025
3rd December 2025
4th December 2025
5th December 2025
6th December 2025
7th December 2025
8th December 2025
9th December 2025
10th December 2025
11th December 2025
12th December 2025
13th December 2025
14th December 2025
15th December 2025
16th December 2025
17th December 2025
18th December 2025
19th December 2025
20th December 2025
21st December 2025
22nd December 2025
23rd December 2025
24th December 2025
25th December 2025
26th December 2025
27th December 2025
28th December 2025
29th December 2025
30th December 2025
31st December 2025
33AQI
35AQI
44AQI
46AQI
45AQI
44AQI
46AQI
45AQI
44AQI
56AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202543AQI
30
1
28
25
6
18
12
18
13
19
11
22
9
24
7
19
11
1
5
204
75
Highest AQI recorded in
October56AQI
Lowest AQI recorded in
January33AQI
202441AQI
30
1
27
2
25
6
20
10
14
14
3
19
10
22
8
1
25
6
29
1
27
4
29
1
31
298
63
4
Highest AQI recorded in
May62AQI
Lowest AQI recorded in
January31AQI
202343AQI
26
5
16
7
24
7
23
7
17
14
14
16
14
17
20
11
22
8
30
1
27
2
31
264
95
Highest AQI recorded in
June57AQI
Lowest AQI recorded in
December28AQI
202239AQI
31
21
31
20
5
25
6
17
12
1
19
4
1
25
4
29
2
30
29
2
278
35
1
Highest AQI recorded in
June57AQI
Lowest AQI recorded in
August30AQI
202138AQI
1
1
20
22
8
21
10
20
11
22
8
31
30
25
6
192
44
Highest AQI recorded in
April52AQI
Lowest AQI recorded in
November28AQI
Most & Least Polluted Years Over the Last 5 Years
Most Polluted Year Recorded
2023(Avg.)
43AQILeast Polluted Year Recorded
2021(Avg.)
38AQIAustin Northwest's annual 2025 AQI (43) shows an average percentage change of 6.6% (worsened AQI) compared to previous years: 2021 (38), 2022 (39), 2023 (43), 2024 (41).
