Country Background
HistoryAQIPM₂.₅PM₁₀COSO₂NO₂O₃

Bristol, Pennsylvania, 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

Bristol, Pennsylvania, United States

2022
2023
2024
2025
2026
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
5th Aug 2025
77AQI
Lowest AQI recorded on
21st Aug 2025
17AQI

Same Day Analysis (9th August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 2nd highest AQI at 46 of Good air quality, showing improvement over 2023 on the same day.

Day & Night AQI Trend: 9th Aug - 10th Aug 2026

Bristol, Pennsylvania, United States

AQI
Day
Night
.

5 AM9th Aug 2026

8 PM

4 AM10th Aug 2026

Day time
Avg. Highest Time
3PM9th Aug

57AQI

Avg. Lowest Time
6AM9th Aug

33AQI

Night time
Avg. Highest Time
9PM9th Aug

54AQI

Avg. Lowest Time
5AM9th Aug

33AQI

In the last 24 hours,

Bristol's AQI reached its highest point of 57 at 3 PM during the Day, while the lowest point, 33, was recorded at 6 AM during the Day between 9th Aug and 10th Aug 2026.

Day & Night AQI Trend : Jul - Aug 2026

Bristol, Pennsylvania, United States

JulAug
12th - 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 - 08th08th - 09th09th - 10th10th
Day
Night
12th Jul 2026325 AMAQI
12th Jul 2026206 AMAQI
12th Jul 2026257 AMAQI
12th Jul 2026298 AMAQI
12th Jul 2026159 AMAQI
12th Jul 20261510 AMAQI
12th Jul 20262911 AMAQI
12th Jul 20262912 PMAQI
12th Jul 2026291 PMAQI
12th Jul 2026242 PMAQI
12th Jul 2026333 PMAQI
12th Jul 2026244 PMAQI
12th Jul 2026225 PMAQI
12th Jul 2026326 PMAQI
12th Jul 2026257 PMAQI
12th Jul 2026178 PMAQI
12th Jul 2026219 PMAQI
12th Jul 20262110 PMAQI
12th Jul 20261611 PMAQI
13th Jul 20261712 AMAQI
13th Jul 2026251 AMAQI
13th Jul 2026252 AMAQI
13th Jul 2026253 AMAQI
13th Jul 2026254 AMAQI

25°C19/31°C

13th Jul 2026195 AMAQI
13th Jul 2026256 AMAQI
13th Jul 2026207 AMAQI
13th Jul 2026208 AMAQI
13th Jul 2026219 AMAQI
13th Jul 20262210 AMAQI
13th Jul 20262011 AMAQI
13th Jul 20262512 PMAQI
13th Jul 2026251 PMAQI
13th Jul 2026252 PMAQI
13th Jul 2026253 PMAQI
13th Jul 2026214 PMAQI
13th Jul 2026275 PMAQI
13th Jul 2026216 PMAQI
13th Jul 2026277 PMAQI
13th Jul 2026208 PMAQI
13th Jul 2026259 PMAQI
13th Jul 20262010 PMAQI
13th Jul 20262511 PMAQI
14th Jul 20262512 AMAQI
14th Jul 2026251 AMAQI
14th Jul 2026182 AMAQI
14th Jul 2026273 AMAQI
14th Jul 2026194 AMAQI

25°C18/33°C

14th Jul 2026235 AMAQI
14th Jul 2026196 AMAQI
14th Jul 2026247 AMAQI
14th Jul 2026298 AMAQI
14th Jul 2026269 AMAQI
14th Jul 20262410 AMAQI
14th Jul 20262511 AMAQI
14th Jul 20262212 PMAQI
14th Jul 2026231 PMAQI
14th Jul 2026352 PMAQI
14th Jul 2026233 PMAQI
14th Jul 2026274 PMAQI
14th Jul 2026285 PMAQI
14th Jul 2026286 PMAQI
14th Jul 2026307 PMAQI
14th Jul 2026348 PMAQI
14th Jul 2026309 PMAQI
14th Jul 20262610 PMAQI
14th Jul 20262411 PMAQI
15th Jul 20262212 AMAQI
15th Jul 2026251 AMAQI
15th Jul 2026292 AMAQI
15th Jul 2026343 AMAQI
15th Jul 2026344 AMAQI

29°C21/38°C

15th Jul 2026245 AMAQI
15th Jul 2026386 AMAQI
15th Jul 2026387 AMAQI
15th Jul 2026248 AMAQI
15th Jul 2026369 AMAQI
15th Jul 20262910 AMAQI
15th Jul 20263211 AMAQI
15th Jul 20265312 PMAQI
15th Jul 2026621 PMAQI
15th Jul 2026342 PMAQI
15th Jul 2026533 PMAQI
15th Jul 2026304 PMAQI
15th Jul 2026515 PMAQI
15th Jul 2026466 PMAQI
15th Jul 2026467 PMAQI
15th Jul 2026528 PMAQI
15th Jul 2026599 PMAQI
15th Jul 20264210 PMAQI
15th Jul 20264711 PMAQI
16th Jul 20266812 AMAQI
16th Jul 2026871 AMAQI
16th Jul 20261082 AMAQI
16th Jul 2026683 AMAQI
16th Jul 2026764 AMAQI

32°C25/42°C

16th Jul 20261165 AMAQI
16th Jul 20261146 AMAQI
16th Jul 20261147 AMAQI
16th Jul 20261108 AMAQI
16th Jul 20261049 AMAQI
16th Jul 202610110 AMAQI
16th Jul 202610511 AMAQI
16th Jul 202610812 PMAQI
16th Jul 20261041 PMAQI
16th Jul 20261062 PMAQI
16th Jul 20261123 PMAQI
16th Jul 20261164 PMAQI
16th Jul 2026685 PMAQI
16th Jul 2026666 PMAQI
16th Jul 2026667 PMAQI
16th Jul 2026888 PMAQI
16th Jul 20261049 PMAQI
16th Jul 202614910 PMAQI
16th Jul 202617811 PMAQI
17th Jul 202616012 AMAQI
17th Jul 20262111 AMAQI
17th Jul 20262062 AMAQI
17th Jul 20261643 AMAQI
17th Jul 20261664 AMAQI

30°C24/38°C

17th Jul 20261955 AMAQI
17th Jul 20261956 AMAQI
17th Jul 20261867 AMAQI
17th Jul 20261848 AMAQI
17th Jul 20261829 AMAQI
17th Jul 202617410 AMAQI
17th Jul 202617011 AMAQI
17th Jul 202616612 PMAQI
17th Jul 20261621 PMAQI
17th Jul 20261632 PMAQI
17th Jul 20261603 PMAQI
17th Jul 20261584 PMAQI
17th Jul 20261585 PMAQI
17th Jul 20261566 PMAQI
17th Jul 20261567 PMAQI
17th Jul 20261488 PMAQI
17th Jul 20261509 PMAQI
17th Jul 202615610 PMAQI
17th Jul 202615611 PMAQI
18th Jul 202616012 AMAQI
18th Jul 20261601 AMAQI
18th Jul 20261622 AMAQI
18th Jul 20261663 AMAQI
18th Jul 20261684 AMAQI

28°C21/35°C

18th Jul 20261625 AMAQI
18th Jul 20261626 AMAQI
18th Jul 20261627 AMAQI
18th Jul 20261638 AMAQI
18th Jul 20261629 AMAQI
18th Jul 202616110 AMAQI
18th Jul 202616211 AMAQI
18th Jul 202615612 PMAQI
18th Jul 20261571 PMAQI
18th Jul 20261552 PMAQI
18th Jul 20261523 PMAQI
18th Jul 20261524 PMAQI
18th Jul 20261415 PMAQI
18th Jul 20261296 PMAQI
18th Jul 20261307 PMAQI
18th Jul 2026988 PMAQI
18th Jul 2026889 PMAQI
18th Jul 20267410 PMAQI
18th Jul 20266611 PMAQI
19th Jul 20266412 AMAQI
19th Jul 2026531 AMAQI
19th Jul 2026502 AMAQI
19th Jul 2026493 AMAQI
19th Jul 2026424 AMAQI

25°C21/35°C

19th Jul 2026395 AMAQI
19th Jul 2026456 AMAQI
19th Jul 2026487 AMAQI
19th Jul 2026448 AMAQI
19th Jul 2026469 AMAQI
19th Jul 20264710 AMAQI
19th Jul 20266011 AMAQI
19th Jul 20266612 PMAQI
19th Jul 2026651 PMAQI
19th Jul 2026642 PMAQI
19th Jul 2026613 PMAQI
19th Jul 2026644 PMAQI
19th Jul 2026605 PMAQI
19th Jul 2026606 PMAQI
19th Jul 2026587 PMAQI
19th Jul 2026588 PMAQI
19th Jul 2026569 PMAQI
19th Jul 20265610 PMAQI
19th Jul 20265611 PMAQI
20th Jul 20265112 AMAQI
20th Jul 2026501 AMAQI
20th Jul 2026502 AMAQI
20th Jul 2026423 AMAQI
20th Jul 2026404 AMAQI

26°C21/32°C

20th Jul 2026425 AMAQI
20th Jul 2026406 AMAQI
20th Jul 2026257 AMAQI
20th Jul 2026278 AMAQI
20th Jul 2026339 AMAQI
20th Jul 20264710 AMAQI
20th Jul 20264411 AMAQI
20th Jul 20263812 PMAQI
20th Jul 2026381 PMAQI
20th Jul 2026332 PMAQI
20th Jul 2026423 PMAQI
20th Jul 2026384 PMAQI
20th Jul 2026465 PMAQI
20th Jul 2026486 PMAQI
20th Jul 2026467 PMAQI
20th Jul 2026518 PMAQI
20th Jul 2026529 PMAQI
20th Jul 20265610 PMAQI
21st Jul 20265612 AMAQI
21st Jul 2026531 AMAQI
21st Jul 2026562 AMAQI
21st Jul 2026573 AMAQI
21st Jul 2026584 AMAQI

24°C15/33°C

21st Jul 2026545 AMAQI
21st Jul 2026576 AMAQI
21st Jul 2026537 AMAQI
21st Jul 2026568 AMAQI
21st Jul 2026569 AMAQI
21st Jul 20265310 AMAQI
21st Jul 20265311 AMAQI
21st Jul 20265112 PMAQI
21st Jul 2026481 PMAQI
21st Jul 2026502 PMAQI
21st Jul 2026483 PMAQI
21st Jul 2026504 PMAQI
21st Jul 2026495 PMAQI
21st Jul 2026516 PMAQI
21st Jul 2026487 PMAQI
21st Jul 2026448 PMAQI
21st Jul 2026519 PMAQI
21st Jul 20264210 PMAQI
21st Jul 20263611 PMAQI
22nd Jul 20263812 AMAQI
22nd Jul 2026361 AMAQI
22nd Jul 2026422 AMAQI
22nd Jul 2026403 AMAQI
22nd Jul 2026344 AMAQI

26°C21/36°C

22nd Jul 2026335 AMAQI
22nd Jul 2026366 AMAQI
22nd Jul 2026387 AMAQI
22nd Jul 2026498 AMAQI
22nd Jul 2026449 AMAQI
22nd Jul 20263610 AMAQI
22nd Jul 20263611 AMAQI
22nd Jul 20262512 PMAQI
22nd Jul 2026441 PMAQI
22nd Jul 2026482 PMAQI
22nd Jul 2026503 PMAQI
22nd Jul 2026424 PMAQI
22nd Jul 2026465 PMAQI
22nd Jul 2026486 PMAQI
22nd Jul 2026507 PMAQI
22nd Jul 2026558 PMAQI
22nd Jul 2026509 PMAQI
22nd Jul 20264610 PMAQI
22nd Jul 20264611 PMAQI
23rd Jul 20264612 AMAQI
23rd Jul 2026401 AMAQI
23rd Jul 2026402 AMAQI
23rd Jul 2026433 AMAQI
23rd Jul 2026364 AMAQI

27°C22/33°C

23rd Jul 2026255 AMAQI
23rd Jul 2026706 AMAQI
23rd Jul 2026257 AMAQI
23rd Jul 2026308 AMAQI
23rd Jul 2026299 AMAQI
23rd Jul 20263610 AMAQI
23rd Jul 20263611 AMAQI
23rd Jul 20264712 PMAQI
23rd Jul 2026261 PMAQI
23rd Jul 2026382 PMAQI
23rd Jul 2026363 PMAQI
23rd Jul 2026424 PMAQI
23rd Jul 2026365 PMAQI
23rd Jul 2026356 PMAQI
23rd Jul 2026427 PMAQI
23rd Jul 2026318 PMAQI
23rd Jul 2026279 PMAQI
23rd Jul 20263810 PMAQI
23rd Jul 20264211 PMAQI
24th Jul 20264012 AMAQI
24th Jul 2026411 AMAQI
24th Jul 2026412 AMAQI
24th Jul 2026343 AMAQI
24th Jul 2026364 AMAQI

24°C19/31°C

24th Jul 2026415 AMAQI
24th Jul 2026256 AMAQI
24th Jul 2026347 AMAQI
24th Jul 2026258 AMAQI
24th Jul 2026599 AMAQI
24th Jul 20266210 AMAQI
24th Jul 20265711 AMAQI
24th Jul 20262912 PMAQI
24th Jul 2026251 PMAQI
24th Jul 2026252 PMAQI
24th Jul 2026443 PMAQI
24th Jul 2026294 PMAQI
24th Jul 2026345 PMAQI
24th Jul 2026256 PMAQI
24th Jul 2026297 PMAQI
24th Jul 2026338 PMAQI
24th Jul 2026339 PMAQI
24th Jul 20264210 PMAQI
24th Jul 20263811 PMAQI
25th Jul 20264012 AMAQI
25th Jul 2026251 AMAQI
25th Jul 2026232 AMAQI
25th Jul 2026293 AMAQI
25th Jul 2026254 AMAQI

24°C16/32°C

25th Jul 2026345 AMAQI
25th Jul 2026256 AMAQI
25th Jul 2026257 AMAQI
25th Jul 2026388 AMAQI
25th Jul 2026299 AMAQI
25th Jul 20263410 AMAQI
25th Jul 20263311 AMAQI
25th Jul 20263312 PMAQI
25th Jul 2026481 PMAQI
25th Jul 2026502 PMAQI
25th Jul 2026213 PMAQI
25th Jul 2026164 PMAQI
25th Jul 2026235 PMAQI
25th Jul 2026176 PMAQI
25th Jul 2026277 PMAQI
25th Jul 2026338 PMAQI
25th Jul 2026279 PMAQI
25th Jul 20262510 PMAQI
25th Jul 20263611 PMAQI
26th Jul 20264012 AMAQI
26th Jul 2026401 AMAQI
26th Jul 2026272 AMAQI
26th Jul 2026423 AMAQI
26th Jul 2026324 AMAQI

23°C18/31°C

26th Jul 2026215 AMAQI
26th Jul 2026366 AMAQI
26th Jul 2026317 AMAQI
26th Jul 2026408 AMAQI
26th Jul 2026429 AMAQI
26th Jul 20264410 AMAQI
26th Jul 20262211 AMAQI
26th Jul 20264012 PMAQI
26th Jul 2026421 PMAQI
26th Jul 2026422 PMAQI
26th Jul 2026443 PMAQI
26th Jul 2026444 PMAQI
26th Jul 2026445 PMAQI
26th Jul 2026466 PMAQI
26th Jul 2026487 PMAQI
26th Jul 2026468 PMAQI
26th Jul 2026489 PMAQI
26th Jul 20264410 PMAQI
26th Jul 20264611 PMAQI
27th Jul 20264412 AMAQI
27th Jul 2026401 AMAQI
27th Jul 2026422 AMAQI
27th Jul 2026423 AMAQI
27th Jul 2026404 AMAQI

24°C16/33°C

27th Jul 2026405 AMAQI
27th Jul 2026446 AMAQI
27th Jul 2026427 AMAQI
27th Jul 2026428 AMAQI
27th Jul 2026489 AMAQI
27th Jul 20264810 AMAQI
27th Jul 20265011 AMAQI
27th Jul 20264812 PMAQI
27th Jul 2026481 PMAQI
27th Jul 2026492 PMAQI
27th Jul 2026533 PMAQI
27th Jul 2026514 PMAQI
27th Jul 2026545 PMAQI
27th Jul 2026546 PMAQI
27th Jul 2026527 PMAQI
27th Jul 2026518 PMAQI
27th Jul 2026509 PMAQI
27th Jul 20264610 PMAQI
27th Jul 20265011 PMAQI
28th Jul 20265112 AMAQI
28th Jul 2026501 AMAQI
28th Jul 2026492 AMAQI
28th Jul 2026463 AMAQI
28th Jul 2026484 AMAQI

25°C20/31°C

28th Jul 2026525 AMAQI
28th Jul 2026486 AMAQI
28th Jul 2026497 AMAQI
28th Jul 2026508 AMAQI
28th Jul 2026469 AMAQI
28th Jul 20264810 AMAQI
28th Jul 20264811 AMAQI
28th Jul 20265012 PMAQI
28th Jul 2026531 PMAQI
28th Jul 2026532 PMAQI
28th Jul 2026563 PMAQI
28th Jul 2026554 PMAQI
28th Jul 2026545 PMAQI
28th Jul 2026536 PMAQI
28th Jul 2026547 PMAQI
28th Jul 2026518 PMAQI
28th Jul 2026489 PMAQI
28th Jul 20264810 PMAQI
28th Jul 20263811 PMAQI
29th Jul 20263412 AMAQI
29th Jul 2026441 AMAQI
29th Jul 2026332 AMAQI
29th Jul 2026323 AMAQI
29th Jul 2026364 AMAQI

24°C19/30°C

29th Jul 2026385 AMAQI
29th Jul 2026406 AMAQI
29th Jul 2026447 AMAQI
29th Jul 2026488 AMAQI
29th Jul 2026509 AMAQI
29th Jul 20265210 AMAQI
29th Jul 20264611 AMAQI
29th Jul 20264612 PMAQI
29th Jul 2026441 PMAQI
29th Jul 2026462 PMAQI
29th Jul 2026423 PMAQI
29th Jul 2026464 PMAQI
29th Jul 2026515 PMAQI
29th Jul 2026456 PMAQI
29th Jul 2026447 PMAQI
29th Jul 2026188 PMAQI
29th Jul 2026389 PMAQI
29th Jul 20263610 PMAQI
29th Jul 20263411 PMAQI
30th Jul 20263312 AMAQI
30th Jul 2026301 AMAQI
30th Jul 2026462 AMAQI
30th Jul 2026423 AMAQI
30th Jul 2026324 AMAQI

24°C21/29°C

30th Jul 2026235 AMAQI
30th Jul 2026186 AMAQI
30th Jul 2026197 AMAQI
30th Jul 2026228 AMAQI
30th Jul 2026299 AMAQI
30th Jul 20262610 AMAQI
30th Jul 20262811 AMAQI
30th Jul 20262512 PMAQI
30th Jul 2026201 PMAQI
30th Jul 2026182 PMAQI
30th Jul 2026423 PMAQI
30th Jul 2026254 PMAQI
30th Jul 2026195 PMAQI
30th Jul 2026176 PMAQI
30th Jul 2026177 PMAQI
30th Jul 2026178 PMAQI
30th Jul 2026169 PMAQI
30th Jul 20262510 PMAQI
30th Jul 20262111 PMAQI
31st Jul 20262512 AMAQI
31st Jul 2026211 AMAQI
31st Jul 2026292 AMAQI
31st Jul 2026143 AMAQI
31st Jul 2026254 AMAQI

23°C19/28°C

31st Jul 2026235 AMAQI
31st Jul 2026256 AMAQI
31st Jul 2026207 AMAQI
31st Jul 2026258 AMAQI
31st Jul 2026239 AMAQI
31st Jul 20263410 AMAQI
31st Jul 20262911 AMAQI
31st Jul 20264212 PMAQI
31st Jul 2026481 PMAQI
31st Jul 2026522 PMAQI
31st Jul 2026523 PMAQI
31st Jul 2026424 PMAQI
31st Jul 2026425 PMAQI
31st Jul 2026446 PMAQI
31st Jul 2026447 PMAQI
31st Jul 2026468 PMAQI
31st Jul 2026449 PMAQI
31st Jul 20264810 PMAQI
31st Jul 20264611 PMAQI
1st Aug 20264412 AMAQI
1st Aug 2026461 AMAQI
1st Aug 2026272 AMAQI
1st Aug 2026333 AMAQI
1st Aug 2026384 AMAQI

25°C19/34°C

1st Aug 2026405 AMAQI
1st Aug 2026386 AMAQI
1st Aug 2026407 AMAQI
1st Aug 2026398 AMAQI
1st Aug 2026429 AMAQI
1st Aug 20264410 AMAQI
1st Aug 20264611 AMAQI
1st Aug 20265012 PMAQI
1st Aug 2026461 PMAQI
1st Aug 2026512 PMAQI
1st Aug 2026503 PMAQI
1st Aug 2026534 PMAQI
1st Aug 2026515 PMAQI
1st Aug 2026446 PMAQI
1st Aug 2026467 PMAQI
1st Aug 2026508 PMAQI
1st Aug 2026469 PMAQI
1st Aug 20264810 PMAQI
1st Aug 20264611 PMAQI
2nd Aug 20265112 AMAQI
2nd Aug 2026491 AMAQI
2nd Aug 2026462 AMAQI
2nd Aug 2026423 AMAQI
2nd Aug 2026404 AMAQI

26°C20/33°C

2nd Aug 2026405 AMAQI
2nd Aug 2026406 AMAQI
2nd Aug 2026367 AMAQI
2nd Aug 2026368 AMAQI
2nd Aug 2026369 AMAQI
2nd Aug 20263410 AMAQI
2nd Aug 20262511 AMAQI
2nd Aug 20262912 PMAQI
2nd Aug 2026331 PMAQI
2nd Aug 2026342 PMAQI
2nd Aug 2026383 PMAQI
2nd Aug 2026384 PMAQI
2nd Aug 2026405 PMAQI
2nd Aug 2026466 PMAQI
2nd Aug 2026467 PMAQI
2nd Aug 2026468 PMAQI
2nd Aug 2026409 PMAQI
2nd Aug 20264410 PMAQI
2nd Aug 20264411 PMAQI
3rd Aug 20264812 AMAQI
3rd Aug 2026441 AMAQI
3rd Aug 2026422 AMAQI
3rd Aug 2026443 AMAQI
3rd Aug 2026444 AMAQI

28°C23/35°C

3rd Aug 2026405 AMAQI
3rd Aug 2026426 AMAQI
3rd Aug 2026447 AMAQI
3rd Aug 2026448 AMAQI
3rd Aug 2026429 AMAQI
3rd Aug 20264210 AMAQI
3rd Aug 20264211 AMAQI
3rd Aug 20264212 PMAQI
3rd Aug 2026361 PMAQI
3rd Aug 2026442 PMAQI
3rd Aug 2026383 PMAQI
3rd Aug 2026444 PMAQI
3rd Aug 2026185 PMAQI
3rd Aug 2026406 PMAQI
3rd Aug 2026367 PMAQI
3rd Aug 2026368 PMAQI
3rd Aug 2026389 PMAQI
3rd Aug 20264610 PMAQI
3rd Aug 20264011 PMAQI
4th Aug 20263812 AMAQI
4th Aug 2026361 AMAQI
4th Aug 2026402 AMAQI
4th Aug 2026363 AMAQI
4th Aug 2026164 AMAQI

26°C22/30°C

4th Aug 2026225 AMAQI
4th Aug 2026176 AMAQI
4th Aug 2026107 AMAQI
4th Aug 2026188 AMAQI
4th Aug 2026189 AMAQI
4th Aug 20262110 AMAQI
4th Aug 20263611 AMAQI
4th Aug 20261812 PMAQI
4th Aug 2026201 PMAQI
4th Aug 2026422 PMAQI
4th Aug 2026443 PMAQI
4th Aug 2026444 PMAQI
4th Aug 2026425 PMAQI
4th Aug 2026406 PMAQI
4th Aug 2026387 PMAQI
4th Aug 2026128 PMAQI
4th Aug 2026119 PMAQI
4th Aug 20262010 PMAQI
4th Aug 20263211 PMAQI
5th Aug 20263412 AMAQI
5th Aug 2026331 AMAQI
5th Aug 2026332 AMAQI
5th Aug 2026243 AMAQI
5th Aug 2026224 AMAQI

25°C18/33°C

5th Aug 2026365 AMAQI
5th Aug 2026366 AMAQI
5th Aug 2026347 AMAQI
5th Aug 2026338 AMAQI
5th Aug 2026259 AMAQI
5th Aug 20263310 AMAQI
5th Aug 20263811 AMAQI
5th Aug 20261912 PMAQI
5th Aug 2026301 PMAQI
5th Aug 2026102 PMAQI
5th Aug 2026403 PMAQI
5th Aug 2026404 PMAQI
5th Aug 2026445 PMAQI
5th Aug 2026286 PMAQI
5th Aug 2026277 PMAQI
5th Aug 202688 PMAQI
5th Aug 2026259 PMAQI
5th Aug 20261810 PMAQI
5th Aug 20261011 PMAQI
6th Aug 20261612 AMAQI
6th Aug 2026321 AMAQI
6th Aug 2026482 AMAQI
6th Aug 2026503 AMAQI
6th Aug 2026484 AMAQI

25°C21/30°C

6th Aug 2026465 AMAQI
6th Aug 2026466 AMAQI
6th Aug 2026467 AMAQI
6th Aug 2026448 AMAQI
6th Aug 2026449 AMAQI
6th Aug 20264410 AMAQI
6th Aug 20264911 AMAQI
6th Aug 20265112 PMAQI
6th Aug 2026521 PMAQI
6th Aug 2026532 PMAQI
6th Aug 2026553 PMAQI
6th Aug 2026544 PMAQI
6th Aug 2026575 PMAQI
6th Aug 2026566 PMAQI
6th Aug 2026527 PMAQI
6th Aug 2026548 PMAQI
6th Aug 2026549 PMAQI
6th Aug 20265210 PMAQI
6th Aug 20264911 PMAQI
7th Aug 20264612 AMAQI
7th Aug 2026381 AMAQI
7th Aug 2026232 AMAQI
7th Aug 2026273 AMAQI
7th Aug 2026364 AMAQI

28°C23/34°C

7th Aug 2026295 AMAQI
7th Aug 2026216 AMAQI
7th Aug 2026217 AMAQI
7th Aug 2026258 AMAQI
7th Aug 2026299 AMAQI
7th Aug 20264510 AMAQI
7th Aug 20264011 AMAQI
7th Aug 20262512 PMAQI
7th Aug 2026361 PMAQI
7th Aug 2026362 PMAQI
7th Aug 2026443 PMAQI
7th Aug 2026484 PMAQI
7th Aug 2026525 PMAQI
7th Aug 2026526 PMAQI
7th Aug 2026517 PMAQI
7th Aug 2026468 PMAQI
7th Aug 2026429 PMAQI
7th Aug 20263310 PMAQI
7th Aug 20263811 PMAQI
8th Aug 20263812 AMAQI
8th Aug 2026331 AMAQI
8th Aug 2026382 AMAQI
8th Aug 2026293 AMAQI
8th Aug 2026334 AMAQI

29°C25/36°C

8th Aug 2026235 AMAQI
8th Aug 2026256 AMAQI
8th Aug 2026257 AMAQI
8th Aug 2026298 AMAQI
8th Aug 2026339 AMAQI
8th Aug 20262910 AMAQI
8th Aug 20262911 AMAQI
8th Aug 20262512 PMAQI
8th Aug 2026401 PMAQI
8th Aug 2026462 PMAQI
8th Aug 2026493 PMAQI
8th Aug 2026544 PMAQI
8th Aug 2026525 PMAQI
8th Aug 2026526 PMAQI
8th Aug 2026407 PMAQI
8th Aug 2026338 PMAQI
8th Aug 2026409 PMAQI
8th Aug 20263310 PMAQI
8th Aug 20262511 PMAQI
9th Aug 20262312 AMAQI
9th Aug 2026441 AMAQI
9th Aug 2026292 AMAQI
9th Aug 2026403 AMAQI
9th Aug 2026444 AMAQI

28°C23/37°C

9th Aug 2026335 AMAQI
9th Aug 2026336 AMAQI
9th Aug 2026367 AMAQI
9th Aug 2026388 AMAQI
9th Aug 2026389 AMAQI
9th Aug 20263810 AMAQI
9th Aug 20264811 AMAQI
9th Aug 20265212 PMAQI
9th Aug 2026531 PMAQI
9th Aug 2026522 PMAQI
9th Aug 2026573 PMAQI
9th Aug 2026554 PMAQI
9th Aug 2026545 PMAQI
9th Aug 2026566 PMAQI
9th Aug 2026557 PMAQI
9th Aug 2026568 PMAQI
9th Aug 2026549 PMAQI
9th Aug 20265310 PMAQI
9th Aug 20265111 PMAQI
10th Aug 20264612 AMAQI
10th Aug 2026441 AMAQI
10th Aug 2026442 AMAQI
10th Aug 2026483 AMAQI
10th Aug 2026504 AMAQI

30°C24/37°C

10th Aug 2026425 AMAQI
5 AM
10th Aug 2026486 AMAQI
10th Aug 2026507 AMAQI
10th Aug 2026488 AMAQI
10th Aug 2026469 AMAQI
10th Aug 20264610 AMAQI
10th Aug 20265011 AMAQI
10th Aug 20264612 PMAQI
12 PM
10th Aug 2026461 PMAQI
10th Aug 2026512 PMAQI
10th Aug 2026523 PMAQI
10th Aug 2026514 PMAQI
10th Aug 2026525 PMAQI
10th Aug 2026506 PMAQI
10th Aug 2026527 PMAQI
8 PM
12 AM
4 AM

28°C22/37°C

Day time
Avg. Highest Time
3 PM

54AQI

1 hours / Day
30 hours / Month
Avg. Lowest Time
7 AM

45AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 3 PM to 3 PM (Avg. 54), while the lowest AQI was between 7 AM to 7 AM (Avg. 45).
Night time
Avg. Highest Time
1 AM - 2 AM

49AQI

2 hours / Day
60 hours / Month
Avg. Lowest Time
3 AM - 4 AM

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. 49), while the lowest AQI was between 3 AM to 4 AM (Avg. 46).

2026 Days Vs Air Quality

Bristol, Pennsylvania, United States

2026

93%

202

6%

13

0.9%

2

0.4%

1

Total number of days with different AQI categories in last 222 days in 2026 (143 days remaining)

Good
202 Days
Moderate
13 Days
Poor
2 Days
Unhealthy
1 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 93%

Health Risk Level:

Very Low

In 2026, 93% of 222 days were within WHO’s safe air quality limits. The risk of health issues is Very Low, but health impacts are still unclear.

Annual Air Quality Insights

Bristol, Pennsylvania, United States

AQI levels in 2026

AQI (US)
PM₂.₅
PM₁₀
CO
SO₂
NO₂
O₃
Sun.Mon.Tue.Wed.Thu.Fri.Sat.

Jan.

Feb.

Mar.

Apr.

May

Jun.

Jul.

Aug.

Sep.

Oct.

Nov.

Dec.

-1th undefined 2026
-1th undefined 2026
-1th undefined 2026
-1th undefined 2026
1st January 2026
26AQI (US)
2nd January 2026
38AQI (US)
3rd January 2026
47AQI (US)
4th January 2026
56AQI (US)
5th January 2026
38AQI (US)
6th January 2026
62AQI (US)
7th January 2026
60AQI (US)
8th January 2026
32AQI (US)
9th January 2026
48AQI (US)
10th January 2026
41AQI (US)
11th January 2026
26AQI (US)
12th January 2026
22AQI (US)
13th January 2026
35AQI (US)
14th January 2026
34AQI (US)
15th January 2026
36AQI (US)
16th January 2026
24AQI (US)
17th January 2026
39AQI (US)
18th January 2026
76AQI (US)
19th January 2026
38AQI (US)
20th January 2026
32AQI (US)
21st January 2026
38AQI (US)
22nd January 2026
37AQI (US)
23rd January 2026
38AQI (US)
24th January 2026
30AQI (US)
25th January 2026
46AQI (US)
26th January 2026
48AQI (US)
27th January 2026
44AQI (US)
28th January 2026
49AQI (US)
29th January 2026
57AQI (US)
30th January 2026
55AQI (US)
31st January 2026
45AQI (US)
1st February 2026
46AQI (US)
2nd February 2026
50AQI (US)
3rd February 2026
48AQI (US)
4th February 2026
49AQI (US)
5th February 2026
44AQI (US)
6th February 2026
42AQI (US)
7th February 2026
37AQI (US)
8th February 2026
31AQI (US)
9th February 2026
35AQI (US)
10th February 2026
45AQI (US)
11th February 2026
44AQI (US)
12th February 2026
31AQI (US)
13th February 2026
32AQI (US)
14th February 2026
44AQI (US)
15th February 2026
47AQI (US)
16th February 2026
32AQI (US)
17th February 2026
64AQI (US)
18th February 2026
62AQI (US)
19th February 2026
38AQI (US)
20th February 2026
38AQI (US)
21st February 2026
40AQI (US)
22nd February 2026
36AQI (US)
23rd February 2026
40AQI (US)
24th February 2026
30AQI (US)
25th February 2026
31AQI (US)
26th February 2026
25AQI (US)
27th February 2026
19AQI (US)
28th February 2026
20AQI (US)
1st March 2026
34AQI (US)
2nd March 2026
48AQI (US)
3rd March 2026
42AQI (US)
4th March 2026
21AQI (US)
5th March 2026
21AQI (US)
6th March 2026
29AQI (US)
7th March 2026
28AQI (US)
8th March 2026
23AQI (US)
9th March 2026
22AQI (US)
10th March 2026
18AQI (US)
11th March 2026
28AQI (US)
12th March 2026
35AQI (US)
13th March 2026
35AQI (US)
14th March 2026
34AQI (US)
15th March 2026
33AQI (US)
16th March 2026
34AQI (US)
17th March 2026
36AQI (US)
18th March 2026
33AQI (US)
19th March 2026
25AQI (US)
20th March 2026
21AQI (US)
21st March 2026
26AQI (US)
22nd March 2026
19AQI (US)
23rd March 2026
31AQI (US)
24th March 2026
38AQI (US)
25th March 2026
26AQI (US)
26th March 2026
25AQI (US)
27th March 2026
29AQI (US)
28th March 2026
35AQI (US)
29th March 2026
24AQI (US)
30th March 2026
22AQI (US)
31st March 2026
16AQI (US)
1st April 2026
21AQI (US)
2nd April 2026
35AQI (US)
3rd April 2026
23AQI (US)
4th April 2026
20AQI (US)
5th April 2026
28AQI (US)
6th April 2026
28AQI (US)
7th April 2026
28AQI (US)
8th April 2026
39AQI (US)
9th April 2026
21AQI (US)
10th April 2026
21AQI (US)
11th April 2026
28AQI (US)
12th April 2026
30AQI (US)
13th April 2026
23AQI (US)
14th April 2026
19AQI (US)
15th April 2026
20AQI (US)
16th April 2026
20AQI (US)
17th April 2026
18th April 2026
35AQI (US)
19th April 2026
32AQI (US)
20th April 2026
23AQI (US)
21st April 2026
24AQI (US)
22nd April 2026
23rd April 2026
16AQI (US)
24th April 2026
15AQI (US)
25th April 2026
29AQI (US)
26th April 2026
34AQI (US)
27th April 2026
26AQI (US)
28th April 2026
24AQI (US)
29th April 2026
24AQI (US)
30th April 2026
26AQI (US)
1st May 2026
29AQI (US)
2nd May 2026
25AQI (US)
3rd May 2026
22AQI (US)
4th May 2026
23AQI (US)
5th May 2026
24AQI (US)
6th May 2026
26AQI (US)
7th May 2026
26AQI (US)
8th May 2026
28AQI (US)
9th May 2026
10th May 2026
22AQI (US)
11th May 2026
29AQI (US)
12th May 2026
35AQI (US)
13th May 2026
27AQI (US)
14th May 2026
28AQI (US)
15th May 2026
43AQI (US)
16th May 2026
44AQI (US)
17th May 2026
42AQI (US)
18th May 2026
47AQI (US)
19th May 2026
52AQI (US)
20th May 2026
44AQI (US)
21st May 2026
42AQI (US)
22nd May 2026
35AQI (US)
23rd May 2026
45AQI (US)
24th May 2026
46AQI (US)
25th May 2026
45AQI (US)
26th May 2026
26AQI (US)
27th May 2026
22AQI (US)
28th May 2026
16AQI (US)
29th May 2026
15AQI (US)
30th May 2026
16AQI (US)
31st May 2026
22AQI (US)
1st June 2026
20AQI (US)
2nd June 2026
18AQI (US)
3rd June 2026
16AQI (US)
4th June 2026
19AQI (US)
5th June 2026
22AQI (US)
6th June 2026
30AQI (US)
7th June 2026
20AQI (US)
8th June 2026
16AQI (US)
9th June 2026
17AQI (US)
10th June 2026
24AQI (US)
11th June 2026
23AQI (US)
12th June 2026
30AQI (US)
13th June 2026
23AQI (US)
14th June 2026
19AQI (US)
15th June 2026
21AQI (US)
16th June 2026
22AQI (US)
17th June 2026
21AQI (US)
18th June 2026
21AQI (US)
19th June 2026
20AQI (US)
20th June 2026
21AQI (US)
21st June 2026
18AQI (US)
22nd June 2026
22AQI (US)
23rd June 2026
17AQI (US)
24th June 2026
16AQI (US)
25th June 2026
20AQI (US)
26th June 2026
17AQI (US)
27th June 2026
18AQI (US)
28th June 2026
15AQI (US)
29th June 2026
20AQI (US)
30th June 2026
19AQI (US)
1st July 2026
31AQI (US)
2nd July 2026
72AQI (US)
3rd July 2026
64AQI (US)
4th July 2026
27AQI (US)
5th July 2026
29AQI (US)
6th July 2026
17AQI (US)
7th July 2026
14AQI (US)
8th July 2026
10AQI (US)
9th July 2026
13AQI (US)
10th July 2026
25AQI (US)
11th July 2026
25AQI (US)
12th July 2026
22AQI (US)
13th July 2026
23AQI (US)
14th July 2026
26AQI (US)
15th July 2026
39AQI (US)
16th July 2026
102AQI (US)
17th July 2026
170AQI (US)
18th July 2026
144AQI (US)
19th July 2026
55AQI (US)
20th July 2026
43AQI (US)
21st July 2026
51AQI (US)
22nd July 2026
42AQI (US)
23rd July 2026
37AQI (US)
24th July 2026
37AQI (US)
25th July 2026
30AQI (US)
26th July 2026
40AQI (US)
27th July 2026
47AQI (US)
28th July 2026
50AQI (US)
29th July 2026
41AQI (US)
30th July 2026
25AQI (US)
31st July 2026
35AQI (US)
1st August 2026
44AQI (US)
2nd August 2026
40AQI (US)
3rd August 2026
41AQI (US)
4th August 2026
28AQI (US)
5th August 2026
28AQI (US)
6th August 2026
48AQI (US)
7th August 2026
37AQI (US)
8th August 2026
36AQI (US)
9th August 2026
46AQI (US)
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

42AQI (US)

39AQI (US)

29AQI (US)

25AQI (US)

32AQI (US)

20AQI (US)

45AQI (US)

39AQI (US)

No. of days

Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days

202633AQI (US)

25
6
26
2
31
28
29
1
30
24
4
2
1
9
202
13
2
1

Highest AQI (US) recorded in

July

45AQI (US)

Lowest AQI (US) recorded in

June

20AQI (US)

202537AQI (US)

26
5
27
1
30
1
28
2
31
21
9
25
6
25
6
28
2
26
5
17
13
18
13
302
63

Highest AQI (US) recorded in

December

49AQI (US)

Lowest AQI (US) recorded in

May

25AQI (US)

202434AQI (US)

24
7
25
4
29
26
4
31
26
3
28
3
24
7
30
29
2
30
26
5
328
35

Highest AQI (US) recorded in

July

39AQI (US)

Lowest AQI (US) recorded in

November

27AQI (US)

202340AQI (US)

26
4
20
8
28
3
27
3
26
5
14
11
2
1
2
23
8
26
5
29
1
31
26
3
24
7
300
58
2
1
2

Highest AQI (US) recorded in

June

72AQI (US)

Lowest AQI (US) recorded in

October

28AQI (US)

202235AQI (US)

21
7
19
2
26
4
18
30
26
1
19
2
1
29
28
3
27
2
25
6
269
27

Highest AQI (US) recorded in

January

40AQI (US)

Lowest AQI (US) recorded in

September

30AQI (US)

202139AQI (US)

22
5
20
2
14
2
23
2
28
3
26
4
14
14
2
26
5
27
3
29
2
24
6
20
11
273
59
2

Highest AQI (US) recorded in

July

55AQI (US)

Lowest AQI (US) recorded in

April

34AQI (US)

202034AQI (US)

14
20
18
30
30
1
30
1
28
2
29
1
23
4
1
23
8
245
17
1

Highest AQI (US) recorded in

November

43AQI (US)

Lowest AQI (US) recorded in

September

28AQI (US)

Most & Least Polluted Years Over the Last 7 Years

Most Polluted Year Recorded
2023(Avg.)
40AQI (US)
Least Polluted Year Recorded
2026(Avg.)
33AQI (US)

Bristol's annual 2026 AQI (US) (33) shows an average percentage change of -9.2% (improved AQI (US)) compared to previous years: 2020 (34), 2021 (39), 2022 (35), 2023 (40), 2024 (34), 2025 (37).