Northwest Harborcreek, 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
Northwest Harborcreek, Pennsylvania, United States
2022
2023
2024
2025
2026
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
4th Aug 2025
112AQILowest AQI recorded on
21st Aug 2025
14AQISame Day Analysis (15th August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 3rd highest AQI at 47 of Good air quality, showing improvement over 2025 and 2024 on the same day.
Day & Night AQI Trend: 15th Aug - 16th Aug 2026
Northwest Harborcreek, Pennsylvania, United States
AQI
Day
Night
.
6 AM15th Aug 2026
8 PM
5 AM16th Aug 2026
Day time
Avg. Highest Time
8AM15th Aug
54AQI
Avg. Lowest Time
11AM15th Aug
38AQI
Night time
Avg. Highest Time
2AM16th Aug
56AQI
Avg. Lowest Time
10PM15th Aug
51AQI
In the last 24 hours,
Northwest Harborcreek's AQI reached its highest point of 56 at 2 AM during the Night, while the lowest point, 38, was recorded at 11 AM during the Day between 15th Aug and 16th Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Northwest Harborcreek, Pennsylvania, United States
JulAug
18th - 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 - 13th13th - 14th14th - 15th15th - 16th16th
Day
Night
18th Jul 2026576 AMAQI
18th Jul 2026687 AMAQI
18th Jul 2026648 AMAQI
18th Jul 2026649 AMAQI
18th Jul 20266710 AMAQI
18th Jul 20267211 AMAQI
18th Jul 20266512 PMAQI
18th Jul 2026701 PMAQI
18th Jul 2026582 PMAQI
18th Jul 2026533 PMAQI
18th Jul 2026464 PMAQI
18th Jul 2026445 PMAQI
18th Jul 2026486 PMAQI
18th Jul 2026607 PMAQI
18th Jul 2026678 PMAQI
18th Jul 2026609 PMAQI
18th Jul 20266510 PMAQI
18th Jul 20267211 PMAQI
19th Jul 20266012 AMAQI
19th Jul 2026601 AMAQI
19th Jul 2026592 AMAQI
19th Jul 2026553 AMAQI
19th Jul 2026494 AMAQI
19th Jul 2026585 AMAQI
26°C23/28°C
19th Jul 2026656 AMAQI
19th Jul 2026637 AMAQI
19th Jul 2026698 AMAQI
19th Jul 2026709 AMAQI
19th Jul 20268610 AMAQI
19th Jul 20267111 AMAQI
19th Jul 20268312 PMAQI
19th Jul 2026971 PMAQI
19th Jul 2026812 PMAQI
19th Jul 2026723 PMAQI
19th Jul 2026684 PMAQI
19th Jul 2026645 PMAQI
19th Jul 2026606 PMAQI
19th Jul 2026597 PMAQI
19th Jul 2026568 PMAQI
19th Jul 2026589 PMAQI
19th Jul 20266010 PMAQI
19th Jul 20266411 PMAQI
20th Jul 20266012 AMAQI
20th Jul 2026671 AMAQI
20th Jul 2026662 AMAQI
20th Jul 2026683 AMAQI
20th Jul 2026684 AMAQI
20th Jul 2026665 AMAQI
22°C20/25°C
20th Jul 2026676 AMAQI
20th Jul 2026687 AMAQI
20th Jul 2026668 AMAQI
20th Jul 2026649 AMAQI
20th Jul 20266310 AMAQI
20th Jul 20266011 AMAQI
20th Jul 20266212 PMAQI
20th Jul 2026651 PMAQI
20th Jul 2026652 PMAQI
20th Jul 2026723 PMAQI
20th Jul 2026794 PMAQI
20th Jul 2026685 PMAQI
20th Jul 2026706 PMAQI
20th Jul 2026787 PMAQI
20th Jul 2026848 PMAQI
20th Jul 2026789 PMAQI
20th Jul 20267210 PMAQI
21st Jul 20266012 AMAQI
21st Jul 2026691 AMAQI
21st Jul 2026652 AMAQI
21st Jul 2026653 AMAQI
21st Jul 2026654 AMAQI
21st Jul 2026625 AMAQI
23°C19/26°C
21st Jul 2026666 AMAQI
21st Jul 2026697 AMAQI
21st Jul 2026698 AMAQI
21st Jul 2026749 AMAQI
21st Jul 20267010 AMAQI
21st Jul 20267011 AMAQI
21st Jul 20266812 PMAQI
21st Jul 2026561 PMAQI
21st Jul 2026422 PMAQI
21st Jul 2026403 PMAQI
21st Jul 2026284 PMAQI
21st Jul 2026335 PMAQI
21st Jul 2026296 PMAQI
21st Jul 2026267 PMAQI
21st Jul 2026248 PMAQI
21st Jul 2026259 PMAQI
21st Jul 20262510 PMAQI
21st Jul 20262711 PMAQI
22nd Jul 20262512 AMAQI
22nd Jul 2026211 AMAQI
22nd Jul 2026502 AMAQI
22nd Jul 2026463 AMAQI
22nd Jul 2026444 AMAQI
22nd Jul 2026425 AMAQI
24°C20/28°C
22nd Jul 2026426 AMAQI
22nd Jul 2026467 AMAQI
22nd Jul 2026408 AMAQI
22nd Jul 2026269 AMAQI
22nd Jul 20262710 AMAQI
22nd Jul 20262611 AMAQI
22nd Jul 20262212 PMAQI
22nd Jul 2026241 PMAQI
22nd Jul 2026202 PMAQI
22nd Jul 2026223 PMAQI
22nd Jul 2026214 PMAQI
22nd Jul 2026225 PMAQI
22nd Jul 2026226 PMAQI
22nd Jul 2026507 PMAQI
22nd Jul 2026268 PMAQI
22nd Jul 2026289 PMAQI
22nd Jul 20262510 PMAQI
22nd Jul 20266011 PMAQI
23rd Jul 20264812 AMAQI
23rd Jul 2026331 AMAQI
23rd Jul 2026462 AMAQI
23rd Jul 2026463 AMAQI
23rd Jul 2026464 AMAQI
23rd Jul 2026505 AMAQI
20°C18/23°C
23rd Jul 2026386 AMAQI
23rd Jul 2026387 AMAQI
23rd Jul 2026428 AMAQI
23rd Jul 2026499 AMAQI
23rd Jul 20265110 AMAQI
23rd Jul 20265011 AMAQI
23rd Jul 20262812 PMAQI
23rd Jul 2026311 PMAQI
23rd Jul 2026252 PMAQI
23rd Jul 2026273 PMAQI
23rd Jul 2026294 PMAQI
23rd Jul 2026255 PMAQI
23rd Jul 2026276 PMAQI
23rd Jul 2026227 PMAQI
23rd Jul 2026368 PMAQI
23rd Jul 2026329 PMAQI
23rd Jul 20262410 PMAQI
23rd Jul 20262511 PMAQI
24th Jul 20262512 AMAQI
24th Jul 2026481 AMAQI
24th Jul 2026482 AMAQI
24th Jul 2026443 AMAQI
24th Jul 2026264 AMAQI
24th Jul 2026365 AMAQI
21°C18/24°C
24th Jul 2026386 AMAQI
24th Jul 2026267 AMAQI
24th Jul 2026428 AMAQI
24th Jul 2026429 AMAQI
24th Jul 20262710 AMAQI
24th Jul 20265011 AMAQI
24th Jul 20262612 PMAQI
24th Jul 2026291 PMAQI
24th Jul 2026272 PMAQI
24th Jul 2026253 PMAQI
24th Jul 2026274 PMAQI
24th Jul 2026255 PMAQI
24th Jul 2026236 PMAQI
24th Jul 2026257 PMAQI
24th Jul 2026248 PMAQI
24th Jul 2026299 PMAQI
24th Jul 20262110 PMAQI
24th Jul 20262511 PMAQI
25th Jul 20263812 AMAQI
25th Jul 2026291 AMAQI
25th Jul 2026442 AMAQI
25th Jul 2026503 AMAQI
25th Jul 2026484 AMAQI
25th Jul 2026485 AMAQI
22°C17/26°C
25th Jul 2026386 AMAQI
25th Jul 2026277 AMAQI
25th Jul 2026258 AMAQI
25th Jul 2026279 AMAQI
25th Jul 20263810 AMAQI
25th Jul 20264211 AMAQI
25th Jul 20264212 PMAQI
25th Jul 2026441 PMAQI
25th Jul 2026442 PMAQI
25th Jul 2026483 PMAQI
25th Jul 2026504 PMAQI
25th Jul 2026465 PMAQI
25th Jul 2026426 PMAQI
25th Jul 2026367 PMAQI
25th Jul 2026368 PMAQI
25th Jul 2026409 PMAQI
25th Jul 20264210 PMAQI
25th Jul 20264011 PMAQI
26th Jul 20264212 AMAQI
26th Jul 2026441 AMAQI
26th Jul 2026442 AMAQI
26th Jul 2026443 AMAQI
26th Jul 2026444 AMAQI
26th Jul 2026465 AMAQI
23°C21/26°C
26th Jul 2026446 AMAQI
26th Jul 2026467 AMAQI
26th Jul 2026448 AMAQI
26th Jul 2026429 AMAQI
26th Jul 20264010 AMAQI
26th Jul 20263811 AMAQI
26th Jul 20262912 PMAQI
26th Jul 2026321 PMAQI
26th Jul 2026252 PMAQI
26th Jul 2026253 PMAQI
26th Jul 2026274 PMAQI
26th Jul 2026365 PMAQI
26th Jul 2026276 PMAQI
26th Jul 2026367 PMAQI
26th Jul 2026448 PMAQI
26th Jul 2026449 PMAQI
26th Jul 20264210 PMAQI
26th Jul 20264411 PMAQI
27th Jul 20264412 AMAQI
27th Jul 2026441 AMAQI
27th Jul 2026402 AMAQI
27th Jul 2026463 AMAQI
27th Jul 2026484 AMAQI
27th Jul 2026465 AMAQI
23°C20/27°C
27th Jul 2026446 AMAQI
27th Jul 2026467 AMAQI
27th Jul 2026468 AMAQI
27th Jul 2026469 AMAQI
27th Jul 20264610 AMAQI
27th Jul 20263811 AMAQI
27th Jul 20264212 PMAQI
27th Jul 2026421 PMAQI
27th Jul 2026482 PMAQI
27th Jul 2026523 PMAQI
27th Jul 2026554 PMAQI
27th Jul 2026525 PMAQI
27th Jul 2026536 PMAQI
27th Jul 2026537 PMAQI
27th Jul 2026568 PMAQI
27th Jul 2026569 PMAQI
27th Jul 20265710 PMAQI
27th Jul 20265611 PMAQI
28th Jul 20265612 AMAQI
28th Jul 2026581 AMAQI
28th Jul 2026562 AMAQI
28th Jul 2026593 AMAQI
28th Jul 2026564 AMAQI
28th Jul 2026585 AMAQI
24°C22/28°C
28th Jul 2026576 AMAQI
28th Jul 2026587 AMAQI
28th Jul 2026578 AMAQI
28th Jul 2026469 AMAQI
28th Jul 20265510 AMAQI
28th Jul 20265911 AMAQI
28th Jul 20265612 PMAQI
28th Jul 2026561 PMAQI
28th Jul 2026552 PMAQI
28th Jul 2026553 PMAQI
28th Jul 2026534 PMAQI
28th Jul 2026445 PMAQI
28th Jul 2026516 PMAQI
28th Jul 2026527 PMAQI
28th Jul 2026518 PMAQI
28th Jul 2026499 PMAQI
28th Jul 20264010 PMAQI
28th Jul 20264811 PMAQI
29th Jul 20264612 AMAQI
29th Jul 2026461 AMAQI
29th Jul 2026402 AMAQI
29th Jul 2026253 AMAQI
29th Jul 2026254 AMAQI
29th Jul 2026285 AMAQI
24°C21/28°C
29th Jul 2026366 AMAQI
29th Jul 2026407 AMAQI
29th Jul 2026428 AMAQI
29th Jul 2026219 AMAQI
29th Jul 20262410 AMAQI
29th Jul 20264011 AMAQI
29th Jul 20263612 PMAQI
29th Jul 2026271 PMAQI
29th Jul 2026232 PMAQI
29th Jul 2026213 PMAQI
29th Jul 2026234 PMAQI
29th Jul 2026215 PMAQI
29th Jul 2026246 PMAQI
29th Jul 2026387 PMAQI
29th Jul 2026288 PMAQI
29th Jul 2026259 PMAQI
29th Jul 20262210 PMAQI
29th Jul 20264211 PMAQI
30th Jul 20263312 AMAQI
30th Jul 2026401 AMAQI
30th Jul 2026272 AMAQI
30th Jul 2026223 AMAQI
30th Jul 2026334 AMAQI
30th Jul 2026275 AMAQI
24°C21/27°C
30th Jul 2026276 AMAQI
30th Jul 2026297 AMAQI
30th Jul 2026258 AMAQI
30th Jul 2026299 AMAQI
30th Jul 20262310 AMAQI
30th Jul 20263111 AMAQI
30th Jul 20264212 PMAQI
30th Jul 2026551 PMAQI
30th Jul 2026602 PMAQI
30th Jul 2026273 PMAQI
30th Jul 2026254 PMAQI
30th Jul 2026325 PMAQI
30th Jul 2026256 PMAQI
30th Jul 2026537 PMAQI
30th Jul 2026568 PMAQI
30th Jul 2026409 PMAQI
30th Jul 20263810 PMAQI
30th Jul 20264211 PMAQI
31st Jul 20265412 AMAQI
31st Jul 2026421 AMAQI
31st Jul 2026542 AMAQI
31st Jul 2026293 AMAQI
31st Jul 2026314 AMAQI
31st Jul 2026315 AMAQI
23°C20/27°C
31st Jul 2026386 AMAQI
31st Jul 2026277 AMAQI
31st Jul 2026488 AMAQI
31st Jul 2026519 AMAQI
31st Jul 20262910 AMAQI
31st Jul 20262511 AMAQI
31st Jul 20262212 PMAQI
31st Jul 2026381 PMAQI
31st Jul 2026442 PMAQI
31st Jul 2026483 PMAQI
31st Jul 2026464 PMAQI
31st Jul 2026445 PMAQI
31st Jul 2026466 PMAQI
31st Jul 2026447 PMAQI
31st Jul 2026468 PMAQI
31st Jul 2026489 PMAQI
31st Jul 20264210 PMAQI
31st Jul 20264611 PMAQI
1st Aug 20265312 AMAQI
1st Aug 2026561 AMAQI
1st Aug 2026502 AMAQI
1st Aug 2026523 AMAQI
1st Aug 2026444 AMAQI
1st Aug 2026465 AMAQI
24°C20/28°C
1st Aug 2026406 AMAQI
1st Aug 2026447 AMAQI
1st Aug 2026348 AMAQI
1st Aug 2026429 AMAQI
1st Aug 20264610 AMAQI
1st Aug 20264411 AMAQI
1st Aug 20264612 PMAQI
1st Aug 2026421 PMAQI
1st Aug 2026422 PMAQI
1st Aug 2026463 PMAQI
1st Aug 2026444 PMAQI
1st Aug 2026465 PMAQI
1st Aug 2026446 PMAQI
1st Aug 2026467 PMAQI
1st Aug 2026448 PMAQI
1st Aug 2026469 PMAQI
1st Aug 20264610 PMAQI
1st Aug 20264611 PMAQI
2nd Aug 20263812 AMAQI
2nd Aug 2026441 AMAQI
2nd Aug 2026402 AMAQI
2nd Aug 2026423 AMAQI
2nd Aug 2026424 AMAQI
2nd Aug 2026425 AMAQI
25°C23/28°C
2nd Aug 2026426 AMAQI
2nd Aug 2026447 AMAQI
2nd Aug 2026488 AMAQI
2nd Aug 2026469 AMAQI
2nd Aug 20264810 AMAQI
2nd Aug 20263611 AMAQI
2nd Aug 20263812 PMAQI
2nd Aug 2026381 PMAQI
2nd Aug 2026382 PMAQI
2nd Aug 2026383 PMAQI
2nd Aug 2026464 PMAQI
2nd Aug 2026405 PMAQI
2nd Aug 2026296 PMAQI
2nd Aug 2026257 PMAQI
2nd Aug 2026278 PMAQI
2nd Aug 2026299 PMAQI
2nd Aug 20262310 PMAQI
2nd Aug 20263111 PMAQI
3rd Aug 20262712 AMAQI
3rd Aug 2026231 AMAQI
3rd Aug 2026252 AMAQI
3rd Aug 2026203 AMAQI
3rd Aug 2026194 AMAQI
3rd Aug 2026225 AMAQI
24°C21/28°C
3rd Aug 2026246 AMAQI
3rd Aug 2026267 AMAQI
3rd Aug 2026238 AMAQI
3rd Aug 2026149 AMAQI
3rd Aug 20262210 AMAQI
3rd Aug 20262211 AMAQI
3rd Aug 20262012 PMAQI
3rd Aug 2026241 PMAQI
3rd Aug 2026662 PMAQI
3rd Aug 2026643 PMAQI
3rd Aug 2026654 PMAQI
3rd Aug 2026505 PMAQI
3rd Aug 2026156 PMAQI
3rd Aug 2026197 PMAQI
3rd Aug 2026258 PMAQI
3rd Aug 2026249 PMAQI
3rd Aug 20262310 PMAQI
3rd Aug 20262311 PMAQI
4th Aug 20262112 AMAQI
4th Aug 2026271 AMAQI
4th Aug 2026222 AMAQI
4th Aug 2026363 AMAQI
4th Aug 2026344 AMAQI
4th Aug 2026485 AMAQI
23°C20/27°C
4th Aug 2026326 AMAQI
4th Aug 2026367 AMAQI
4th Aug 2026248 AMAQI
4th Aug 2026289 AMAQI
4th Aug 20263410 AMAQI
4th Aug 20262611 AMAQI
4th Aug 20262812 PMAQI
4th Aug 2026251 PMAQI
4th Aug 2026232 PMAQI
4th Aug 2026223 PMAQI
4th Aug 2026264 PMAQI
4th Aug 2026255 PMAQI
4th Aug 2026196 PMAQI
4th Aug 2026217 PMAQI
4th Aug 2026368 PMAQI
4th Aug 2026259 PMAQI
4th Aug 20263210 PMAQI
4th Aug 20263811 PMAQI
5th Aug 20263412 AMAQI
5th Aug 2026431 AMAQI
5th Aug 2026252 AMAQI
5th Aug 2026383 AMAQI
5th Aug 2026424 AMAQI
5th Aug 2026335 AMAQI
23°C18/27°C
5th Aug 2026446 AMAQI
5th Aug 2026347 AMAQI
5th Aug 2026328 AMAQI
5th Aug 2026269 AMAQI
5th Aug 20263610 AMAQI
5th Aug 20264411 AMAQI
5th Aug 20262512 PMAQI
5th Aug 2026531 PMAQI
5th Aug 2026382 PMAQI
5th Aug 2026383 PMAQI
5th Aug 2026424 PMAQI
5th Aug 2026425 PMAQI
5th Aug 2026286 PMAQI
5th Aug 2026297 PMAQI
5th Aug 2026298 PMAQI
5th Aug 2026259 PMAQI
5th Aug 20263610 PMAQI
5th Aug 20262411 PMAQI
6th Aug 20263212 AMAQI
6th Aug 2026401 AMAQI
6th Aug 2026492 AMAQI
6th Aug 2026403 AMAQI
6th Aug 2026324 AMAQI
6th Aug 2026255 AMAQI
24°C21/28°C
6th Aug 2026276 AMAQI
6th Aug 2026267 AMAQI
6th Aug 2026508 AMAQI
6th Aug 2026229 AMAQI
6th Aug 20263610 AMAQI
6th Aug 20262511 AMAQI
6th Aug 20262912 PMAQI
6th Aug 2026251 PMAQI
6th Aug 2026342 PMAQI
6th Aug 2026293 PMAQI
6th Aug 2026324 PMAQI
6th Aug 2026445 PMAQI
6th Aug 2026236 PMAQI
6th Aug 2026227 PMAQI
6th Aug 2026448 PMAQI
6th Aug 2026589 PMAQI
6th Aug 20265510 PMAQI
6th Aug 20267211 PMAQI
7th Aug 20267012 AMAQI
7th Aug 2026381 AMAQI
7th Aug 2026422 AMAQI
7th Aug 2026443 AMAQI
7th Aug 2026424 AMAQI
7th Aug 2026425 AMAQI
25°C23/27°C
7th Aug 2026426 AMAQI
7th Aug 2026467 AMAQI
7th Aug 2026488 AMAQI
7th Aug 2026469 AMAQI
7th Aug 20264210 AMAQI
7th Aug 20264611 AMAQI
7th Aug 20264212 PMAQI
7th Aug 2026401 PMAQI
7th Aug 2026252 PMAQI
7th Aug 2026383 PMAQI
7th Aug 2026384 PMAQI
7th Aug 2026255 PMAQI
7th Aug 2026296 PMAQI
7th Aug 2026337 PMAQI
7th Aug 2026328 PMAQI
7th Aug 2026509 PMAQI
7th Aug 20264210 PMAQI
7th Aug 20262911 PMAQI
8th Aug 20264612 AMAQI
8th Aug 2026231 AMAQI
8th Aug 2026212 AMAQI
8th Aug 2026403 AMAQI
8th Aug 2026424 AMAQI
8th Aug 2026335 AMAQI
25°C22/28°C
8th Aug 2026256 AMAQI
8th Aug 2026237 AMAQI
8th Aug 2026258 AMAQI
8th Aug 2026219 AMAQI
8th Aug 20262210 AMAQI
8th Aug 20262511 AMAQI
8th Aug 20262512 PMAQI
8th Aug 2026291 PMAQI
8th Aug 2026272 PMAQI
8th Aug 2026293 PMAQI
8th Aug 2026274 PMAQI
8th Aug 2026385 PMAQI
8th Aug 2026446 PMAQI
8th Aug 2026467 PMAQI
8th Aug 2026488 PMAQI
8th Aug 2026469 PMAQI
8th Aug 20264610 PMAQI
8th Aug 20263811 PMAQI
9th Aug 20264212 AMAQI
9th Aug 2026461 AMAQI
9th Aug 2026402 AMAQI
9th Aug 2026403 AMAQI
9th Aug 2026424 AMAQI
9th Aug 2026405 AMAQI
25°C23/27°C
9th Aug 2026446 AMAQI
9th Aug 2026387 AMAQI
9th Aug 2026428 AMAQI
9th Aug 2026429 AMAQI
9th Aug 20264010 AMAQI
9th Aug 20264211 AMAQI
9th Aug 20264012 PMAQI
9th Aug 2026381 PMAQI
9th Aug 2026422 PMAQI
9th Aug 2026383 PMAQI
9th Aug 2026324 PMAQI
9th Aug 2026385 PMAQI
9th Aug 2026236 PMAQI
9th Aug 2026277 PMAQI
9th Aug 2026298 PMAQI
9th Aug 2026259 PMAQI
9th Aug 20264010 PMAQI
9th Aug 20265811 PMAQI
10th Aug 20265612 AMAQI
10th Aug 2026511 AMAQI
10th Aug 2026402 AMAQI
10th Aug 2026423 AMAQI
10th Aug 2026424 AMAQI
10th Aug 2026465 AMAQI
25°C23/28°C
10th Aug 2026426 AMAQI
10th Aug 2026387 AMAQI
10th Aug 2026408 AMAQI
10th Aug 2026429 AMAQI
10th Aug 20264410 AMAQI
10th Aug 20264411 AMAQI
10th Aug 20264412 PMAQI
10th Aug 2026441 PMAQI
10th Aug 2026462 PMAQI
10th Aug 2026483 PMAQI
10th Aug 2026494 PMAQI
10th Aug 2026485 PMAQI
10th Aug 2026466 PMAQI
10th Aug 2026447 PMAQI
10th Aug 2026408 PMAQI
10th Aug 2026429 PMAQI
10th Aug 20264210 PMAQI
10th Aug 20264411 PMAQI
11th Aug 20264212 AMAQI
11th Aug 2026421 AMAQI
11th Aug 2026422 AMAQI
11th Aug 2026363 AMAQI
11th Aug 2026464 AMAQI
11th Aug 2026425 AMAQI
25°C23/28°C
11th Aug 2026426 AMAQI
11th Aug 2026557 AMAQI
11th Aug 2026598 AMAQI
11th Aug 2026559 AMAQI
11th Aug 20265810 AMAQI
11th Aug 20265811 AMAQI
11th Aug 20265712 PMAQI
11th Aug 2026541 PMAQI
11th Aug 2026552 PMAQI
11th Aug 2026533 PMAQI
11th Aug 2026524 PMAQI
11th Aug 2026505 PMAQI
11th Aug 2026506 PMAQI
11th Aug 2026467 PMAQI
11th Aug 2026428 PMAQI
11th Aug 2026429 PMAQI
11th Aug 20264210 PMAQI
11th Aug 20263811 PMAQI
12th Aug 20264212 AMAQI
12th Aug 2026461 AMAQI
12th Aug 2026462 AMAQI
12th Aug 2026463 AMAQI
12th Aug 2026444 AMAQI
12th Aug 2026425 AMAQI
24°C23/26°C
12th Aug 2026426 AMAQI
12th Aug 2026407 AMAQI
12th Aug 2026408 AMAQI
12th Aug 2026389 AMAQI
12th Aug 20264010 AMAQI
12th Aug 20264211 AMAQI
12th Aug 20264212 PMAQI
12th Aug 2026421 PMAQI
12th Aug 2026422 PMAQI
12th Aug 2026383 PMAQI
12th Aug 2026424 PMAQI
12th Aug 2026445 PMAQI
12th Aug 2026426 PMAQI
12th Aug 2026447 PMAQI
12th Aug 2026408 PMAQI
12th Aug 2026429 PMAQI
12th Aug 20263810 PMAQI
12th Aug 20264011 PMAQI
13th Aug 20264412 AMAQI
13th Aug 2026461 AMAQI
13th Aug 2026442 AMAQI
13th Aug 2026423 AMAQI
13th Aug 2026424 AMAQI
13th Aug 2026465 AMAQI
24°C22/28°C
13th Aug 2026466 AMAQI
13th Aug 2026517 AMAQI
13th Aug 2026468 AMAQI
13th Aug 2026469 AMAQI
13th Aug 20264210 AMAQI
13th Aug 20264411 AMAQI
13th Aug 20264212 PMAQI
13th Aug 2026491 PMAQI
13th Aug 2026482 PMAQI
13th Aug 2026483 PMAQI
13th Aug 2026404 PMAQI
13th Aug 2026495 PMAQI
13th Aug 2026446 PMAQI
13th Aug 2026467 PMAQI
13th Aug 2026488 PMAQI
13th Aug 2026489 PMAQI
13th Aug 20265110 PMAQI
13th Aug 20264811 PMAQI
14th Aug 20264612 AMAQI
14th Aug 2026441 AMAQI
14th Aug 2026502 AMAQI
14th Aug 2026463 AMAQI
14th Aug 2026484 AMAQI
14th Aug 2026485 AMAQI
25°C22/28°C
14th Aug 2026446 AMAQI
14th Aug 2026407 AMAQI
14th Aug 2026528 AMAQI
14th Aug 2026519 AMAQI
14th Aug 20265310 AMAQI
14th Aug 20265011 AMAQI
14th Aug 20263812 PMAQI
14th Aug 2026481 PMAQI
14th Aug 2026382 PMAQI
14th Aug 2026443 PMAQI
14th Aug 2026444 PMAQI
14th Aug 2026465 PMAQI
14th Aug 2026466 PMAQI
14th Aug 2026467 PMAQI
14th Aug 2026508 PMAQI
14th Aug 2026449 PMAQI
14th Aug 20264410 PMAQI
14th Aug 20264611 PMAQI
15th Aug 20264412 AMAQI
15th Aug 2026441 AMAQI
15th Aug 2026462 AMAQI
15th Aug 2026443 AMAQI
15th Aug 2026404 AMAQI
15th Aug 2026425 AMAQI
25°C23/28°C
15th Aug 2026496 AMAQI
15th Aug 2026467 AMAQI
15th Aug 2026548 AMAQI
15th Aug 2026489 AMAQI
15th Aug 20264210 AMAQI
15th Aug 20263811 AMAQI
15th Aug 20264612 PMAQI
15th Aug 2026441 PMAQI
15th Aug 2026482 PMAQI
15th Aug 2026483 PMAQI
15th Aug 2026484 PMAQI
15th Aug 2026485 PMAQI
15th Aug 2026506 PMAQI
15th Aug 2026507 PMAQI
15th Aug 2026518 PMAQI
15th Aug 2026529 PMAQI
15th Aug 20265110 PMAQI
15th Aug 20265211 PMAQI
16th Aug 20265412 AMAQI
16th Aug 2026521 AMAQI
16th Aug 2026562 AMAQI
16th Aug 2026543 AMAQI
16th Aug 2026544 AMAQI
16th Aug 2026555 AMAQI
24°C22/29°C
16th Aug 2026406 AMAQI
6 AM16th Aug 2026467 AMAQI
16th Aug 2026468 AMAQI
16th Aug 2026489 AMAQI
16th Aug 20265110 AMAQI
16th Aug 20265111 AMAQI
16th Aug 20265112 PMAQI
16th Aug 2026461 PMAQI
1 PM16th Aug 2026442 PMAQI
16th Aug 2026283 PMAQI
16th Aug 2026424 PMAQI
16th Aug 2026425 PMAQI
16th Aug 2026426 PMAQI
16th Aug 2026427 PMAQI
16th Aug 2026448 PMAQI
8 PM16th Aug 2026409 PMAQI
16th Aug 20263810 PMAQI
16th Aug 20264011 PMAQI
1 AM
5 AM
15°C8/23°C
Day time
Avg. Highest Time
8 AM
45AQI
1 hours / Day
30 hours / Month
Avg. Lowest Time
6 PM
37AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 8 AM to 8 AM (Avg. 45), while the lowest AQI was between 6 PM to 6 PM (Avg. 37).
Night time
Avg. Highest Time
12 AM - 5 AM
44AQI
6 hours / Day
180 hours / Month
Avg. Lowest Time
9 PM - 10 PM
42AQI
2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 5 AM (Avg. 44), while the lowest AQI was between 9 PM to 10 PM (Avg. 42).
2026 Days Vs Air Quality
Northwest Harborcreek, Pennsylvania, United States
2026
90%
201
9%
21
0.4%
1
0.4%
1
Total number of days with different AQI categories in last 228 days in 2026 (137 days remaining)
Good
201 DaysModerate
21 DaysPoor
1 DaysUnhealthy
1 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 90%
Health Risk Level:
Very Low
In 2026, 90% of 228 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
Northwest Harborcreek, 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
12AQI (US)
12AQI (US)
2nd January 2026
14AQI (US)
14AQI (US)
3rd January 2026
17AQI (US)
17AQI (US)
4th January 2026
22AQI (US)
22AQI (US)
5th January 2026
42AQI (US)
42AQI (US)
6th January 2026
58AQI (US)
58AQI (US)
7th January 2026
56AQI (US)
56AQI (US)
8th January 2026
44AQI (US)
44AQI (US)
9th January 2026
21AQI (US)
21AQI (US)
10th January 2026
15AQI (US)
15AQI (US)
11th January 2026
18AQI (US)
18AQI (US)
12th January 2026
22AQI (US)
22AQI (US)
13th January 2026
29AQI (US)
29AQI (US)
14th January 2026
30AQI (US)
30AQI (US)
15th January 2026
11AQI (US)
11AQI (US)
16th January 2026
21AQI (US)
21AQI (US)
17th January 2026
27AQI (US)
27AQI (US)
18th January 2026
20AQI (US)
20AQI (US)
19th January 2026
33AQI (US)
33AQI (US)
20th January 2026
21AQI (US)
21AQI (US)
21st January 2026
24AQI (US)
24AQI (US)
22nd January 2026
58AQI (US)
58AQI (US)
23rd January 2026
60AQI (US)
60AQI (US)
24th January 2026
48AQI (US)
48AQI (US)
25th January 2026
50AQI (US)
50AQI (US)
26th January 2026
48AQI (US)
48AQI (US)
27th January 2026
39AQI (US)
39AQI (US)
28th January 2026
43AQI (US)
43AQI (US)
29th January 2026
50AQI (US)
50AQI (US)
30th January 2026
58AQI (US)
58AQI (US)
31st January 2026
43AQI (US)
43AQI (US)
1st February 2026
46AQI (US)
46AQI (US)
2nd February 2026
51AQI (US)
51AQI (US)
3rd February 2026
48AQI (US)
48AQI (US)
4th February 2026
44AQI (US)
44AQI (US)
5th February 2026
51AQI (US)
51AQI (US)
6th February 2026
50AQI (US)
50AQI (US)
7th February 2026
39AQI (US)
39AQI (US)
8th February 2026
42AQI (US)
42AQI (US)
9th February 2026
47AQI (US)
47AQI (US)
10th February 2026
44AQI (US)
44AQI (US)
11th February 2026
39AQI (US)
39AQI (US)
12th February 2026
39AQI (US)
39AQI (US)
13th February 2026
47AQI (US)
47AQI (US)
14th February 2026
51AQI (US)
51AQI (US)
15th February 2026
46AQI (US)
46AQI (US)
16th February 2026
46AQI (US)
46AQI (US)
17th February 2026
58AQI (US)
58AQI (US)
18th February 2026
43AQI (US)
43AQI (US)
19th February 2026
43AQI (US)
43AQI (US)
20th February 2026
42AQI (US)
42AQI (US)
21st February 2026
36AQI (US)
36AQI (US)
22nd February 2026
35AQI (US)
35AQI (US)
23rd February 2026
37AQI (US)
37AQI (US)
24th February 2026
44AQI (US)
44AQI (US)
25th February 2026
44AQI (US)
44AQI (US)
26th February 2026
33AQI (US)
33AQI (US)
27th February 2026
35AQI (US)
35AQI (US)
28th February 2026
33AQI (US)
33AQI (US)
1st March 2026
38AQI (US)
38AQI (US)
2nd March 2026
57AQI (US)
57AQI (US)
3rd March 2026
45AQI (US)
45AQI (US)
4th March 2026
47AQI (US)
47AQI (US)
5th March 2026
42AQI (US)
42AQI (US)
6th March 2026
37AQI (US)
37AQI (US)
7th March 2026
40AQI (US)
40AQI (US)
8th March 2026
37AQI (US)
37AQI (US)
9th March 2026
36AQI (US)
36AQI (US)
10th March 2026
34AQI (US)
34AQI (US)
11th March 2026
42AQI (US)
42AQI (US)
12th March 2026
39AQI (US)
39AQI (US)
13th March 2026
40AQI (US)
40AQI (US)
14th March 2026
35AQI (US)
35AQI (US)
15th March 2026
32AQI (US)
32AQI (US)
16th March 2026
37AQI (US)
37AQI (US)
17th March 2026
35AQI (US)
35AQI (US)
18th March 2026
32AQI (US)
32AQI (US)
19th March 2026
39AQI (US)
39AQI (US)
20th March 2026
42AQI (US)
42AQI (US)
21st March 2026
40AQI (US)
40AQI (US)
22nd March 2026
35AQI (US)
35AQI (US)
23rd March 2026
40AQI (US)
40AQI (US)
24th March 2026
35AQI (US)
35AQI (US)
25th March 2026
36AQI (US)
36AQI (US)
26th March 2026
37AQI (US)
37AQI (US)
27th March 2026
29AQI (US)
29AQI (US)
28th March 2026
30AQI (US)
30AQI (US)
29th March 2026
29AQI (US)
29AQI (US)
30th March 2026
26AQI (US)
26AQI (US)
31st March 2026
27AQI (US)
27AQI (US)
1st April 2026
29AQI (US)
29AQI (US)
2nd April 2026
30AQI (US)
30AQI (US)
3rd April 2026
30AQI (US)
30AQI (US)
4th April 2026
32AQI (US)
32AQI (US)
5th April 2026
29AQI (US)
29AQI (US)
6th April 2026
30AQI (US)
30AQI (US)
7th April 2026
28AQI (US)
28AQI (US)
8th April 2026
35AQI (US)
35AQI (US)
9th April 2026
29AQI (US)
29AQI (US)
10th April 2026
30AQI (US)
30AQI (US)
11th April 2026
30AQI (US)
30AQI (US)
12th April 2026
29AQI (US)
29AQI (US)
13th April 2026
32AQI (US)
32AQI (US)
14th April 2026
38AQI (US)
38AQI (US)
15th April 2026
37AQI (US)
37AQI (US)
16th April 2026
31AQI (US)
31AQI (US)
17th April 2026
18th April 2026
30AQI (US)
30AQI (US)
19th April 2026
33AQI (US)
33AQI (US)
20th April 2026
29AQI (US)
29AQI (US)
21st April 2026
28AQI (US)
28AQI (US)
22nd April 2026
23rd April 2026
25AQI (US)
25AQI (US)
24th April 2026
25AQI (US)
25AQI (US)
25th April 2026
28AQI (US)
28AQI (US)
26th April 2026
32AQI (US)
32AQI (US)
27th April 2026
27AQI (US)
27AQI (US)
28th April 2026
26AQI (US)
26AQI (US)
29th April 2026
24AQI (US)
24AQI (US)
30th April 2026
26AQI (US)
26AQI (US)
1st May 2026
25AQI (US)
25AQI (US)
2nd May 2026
23AQI (US)
23AQI (US)
3rd May 2026
23AQI (US)
23AQI (US)
4th May 2026
35AQI (US)
35AQI (US)
5th May 2026
38AQI (US)
38AQI (US)
6th May 2026
31AQI (US)
31AQI (US)
7th May 2026
26AQI (US)
26AQI (US)
8th May 2026
31AQI (US)
31AQI (US)
9th May 2026
10th May 2026
30AQI (US)
30AQI (US)
11th May 2026
24AQI (US)
24AQI (US)
12th May 2026
29AQI (US)
29AQI (US)
13th May 2026
34AQI (US)
34AQI (US)
14th May 2026
22AQI (US)
22AQI (US)
15th May 2026
36AQI (US)
36AQI (US)
16th May 2026
42AQI (US)
42AQI (US)
17th May 2026
49AQI (US)
49AQI (US)
18th May 2026
56AQI (US)
56AQI (US)
19th May 2026
55AQI (US)
55AQI (US)
20th May 2026
50AQI (US)
50AQI (US)
21st May 2026
43AQI (US)
43AQI (US)
22nd May 2026
36AQI (US)
36AQI (US)
23rd May 2026
46AQI (US)
46AQI (US)
24th May 2026
48AQI (US)
48AQI (US)
25th May 2026
45AQI (US)
45AQI (US)
26th May 2026
33AQI (US)
33AQI (US)
27th May 2026
28AQI (US)
28AQI (US)
28th May 2026
25AQI (US)
25AQI (US)
29th May 2026
24AQI (US)
24AQI (US)
30th May 2026
27AQI (US)
27AQI (US)
31st May 2026
29AQI (US)
29AQI (US)
1st June 2026
30AQI (US)
30AQI (US)
2nd June 2026
31AQI (US)
31AQI (US)
3rd June 2026
30AQI (US)
30AQI (US)
4th June 2026
29AQI (US)
29AQI (US)
5th June 2026
31AQI (US)
31AQI (US)
6th June 2026
29AQI (US)
29AQI (US)
7th June 2026
29AQI (US)
29AQI (US)
8th June 2026
29AQI (US)
29AQI (US)
9th June 2026
38AQI (US)
38AQI (US)
10th June 2026
34AQI (US)
34AQI (US)
11th June 2026
31AQI (US)
31AQI (US)
12th June 2026
27AQI (US)
27AQI (US)
13th June 2026
25AQI (US)
25AQI (US)
14th June 2026
24AQI (US)
24AQI (US)
15th June 2026
25AQI (US)
25AQI (US)
16th June 2026
27AQI (US)
27AQI (US)
17th June 2026
28AQI (US)
28AQI (US)
18th June 2026
29AQI (US)
29AQI (US)
19th June 2026
25AQI (US)
25AQI (US)
20th June 2026
24AQI (US)
24AQI (US)
21st June 2026
22AQI (US)
22AQI (US)
22nd June 2026
24AQI (US)
24AQI (US)
23rd June 2026
24AQI (US)
24AQI (US)
24th June 2026
25AQI (US)
25AQI (US)
25th June 2026
19AQI (US)
19AQI (US)
26th June 2026
28AQI (US)
28AQI (US)
27th June 2026
34AQI (US)
34AQI (US)
28th June 2026
32AQI (US)
32AQI (US)
29th June 2026
33AQI (US)
33AQI (US)
30th June 2026
42AQI (US)
42AQI (US)
1st July 2026
49AQI (US)
49AQI (US)
2nd July 2026
45AQI (US)
45AQI (US)
3rd July 2026
31AQI (US)
31AQI (US)
4th July 2026
33AQI (US)
33AQI (US)
5th July 2026
48AQI (US)
48AQI (US)
6th July 2026
45AQI (US)
45AQI (US)
7th July 2026
35AQI (US)
35AQI (US)
8th July 2026
32AQI (US)
32AQI (US)
9th July 2026
43AQI (US)
43AQI (US)
10th July 2026
34AQI (US)
34AQI (US)
11th July 2026
60AQI (US)
60AQI (US)
12th July 2026
65AQI (US)
65AQI (US)
13th July 2026
64AQI (US)
64AQI (US)
14th July 2026
49AQI (US)
49AQI (US)
15th July 2026
156AQI (US)
156AQI (US)
16th July 2026
113AQI (US)
113AQI (US)
17th July 2026
90AQI (US)
90AQI (US)
18th July 2026
61AQI (US)
61AQI (US)
19th July 2026
66AQI (US)
66AQI (US)
20th July 2026
69AQI (US)
69AQI (US)
21st July 2026
51AQI (US)
51AQI (US)
22nd July 2026
32AQI (US)
32AQI (US)
23rd July 2026
36AQI (US)
36AQI (US)
24th July 2026
32AQI (US)
32AQI (US)
25th July 2026
40AQI (US)
40AQI (US)
26th July 2026
39AQI (US)
39AQI (US)
27th July 2026
48AQI (US)
48AQI (US)
28th July 2026
54AQI (US)
54AQI (US)
29th July 2026
31AQI (US)
31AQI (US)
30th July 2026
35AQI (US)
35AQI (US)
31st July 2026
41AQI (US)
41AQI (US)
1st August 2026
45AQI (US)
45AQI (US)
2nd August 2026
38AQI (US)
38AQI (US)
3rd August 2026
29AQI (US)
29AQI (US)
4th August 2026
29AQI (US)
29AQI (US)
5th August 2026
35AQI (US)
35AQI (US)
6th August 2026
36AQI (US)
36AQI (US)
7th August 2026
40AQI (US)
40AQI (US)
8th August 2026
33AQI (US)
33AQI (US)
9th August 2026
39AQI (US)
39AQI (US)
10th August 2026
44AQI (US)
44AQI (US)
11th August 2026
48AQI (US)
48AQI (US)
12th August 2026
42AQI (US)
42AQI (US)
13th August 2026
46AQI (US)
46AQI (US)
14th August 2026
46AQI (US)
46AQI (US)
15th August 2026
47AQI (US)
47AQI (US)
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
34AQI (US)
43AQI (US)
37AQI (US)
30AQI (US)
35AQI (US)
29AQI (US)
52AQI (US)
40AQI (US)
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202637AQI (US)
26
5
24
4
30
1
28
28
2
30
20
9
1
1
15
201
21
1
1
Highest AQI (US) recorded in
July52AQI (US)
Lowest AQI (US) recorded in
June29AQI (US)
202534AQI (US)
29
2
26
2
28
3
30
31
18
12
22
9
17
13
1
27
3
30
1
26
4
26
5
310
54
1
Highest AQI (US) recorded in
June46AQI (US)
Lowest AQI (US) recorded in
May21AQI (US)
202432AQI (US)
30
1
28
1
29
2
30
31
26
3
31
25
6
30
30
1
29
1
31
350
15
Highest AQI (US) recorded in
June37AQI (US)
Lowest AQI (US) recorded in
November25AQI (US)
202338AQI (US)
27
3
25
3
29
2
26
4
27
4
9
17
3
1
24
6
1
24
7
30
31
29
31
312
46
4
1
Highest AQI (US) recorded in
June71AQI (US)
Lowest AQI (US) recorded in
October26AQI (US)
202233AQI (US)
28
2
19
2
25
6
17
31
28
2
22
1
2
28
1
31
25
5
28
3
284
22
Highest AQI (US) recorded in
July38AQI (US)
Lowest AQI (US) recorded in
September28AQI (US)
202135AQI (US)
25
3
13
3
20
4
29
2
30
21
10
31
29
1
31
28
2
29
2
286
27
Highest AQI (US) recorded in
August44AQI (US)
Lowest AQI (US) recorded in
November28AQI (US)
202031AQI (US)
13
20
18
30
30
1
31
28
2
30
27
2
24
4
251
9
Highest AQI (US) recorded in
July35AQI (US)
Lowest AQI (US) recorded in
October25AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Most Polluted Year Recorded
2023(Avg.)
38AQI (US)Least Polluted Year Recorded
2020(Avg.)
31AQI (US)Northwest Harborcreek's annual 2026 AQI (US) (37) shows an average percentage change of 9.8% (worsened AQI (US)) compared to previous years: 2020 (31), 2021 (35), 2022 (33), 2023 (38), 2024 (32), 2025 (34).
