National Data System Air Quality Intelligence

RANKABLE EPA COUNTY AQI

District of Columbia Air Quality - District of Columbia

EPA county-level evidence, NDS comparative intelligence, and 221 connected ZIP profiles.

Compare this County

Median AQI

45.0

Maximum AQI

101.0

Good-air-quality days

68.13%

Average PM2.5

6.547 ug/m3

NDS Air Quality Score

43.55

U.S. County Rank

662 of 1,049

Percentile

36.74

Grade

D

County status

District of Columbia is part of the governed NDS rankable EPA county universe.

Connected ZIP codes

20001 20002 20003 20004 20005 20006 20007 20008 20009 20010 20011 20012 20013 20015 20016 20017 20018 20019 20020 20024 20026 20027 20029 20030 20032 20033 20035 20036 20037 20038 20039 20040 20042 20043 20044 20045 20047 20049 20052 20053 20055 20056 20057 20059 20060 20062 20063 20064 20065 20066 20071 20073 20076 20090 20091 20201 20202 20203 20204 20208 20210 20211 20212 20213 20215 20216 20217 20218 20219 20220 20221 20222 20223 20224 20226 20227 20228 20229 20230 20235 20237 20239 20240 20241 20242 20244 20245 20250 20254 20260 20268 20270 20289 20303 20306 20318 20319 20340 20370 20372 20373 20374 20375 20376 20380 20388 20390 20391 20392 20398 20401 20402 20403 20404 20405 20407 20408 20410 20411 20412 20413 20414 20415 20416 20417 20418 20419 20420 20421 20422 20423 20424 20425 20426 20427 20428 20429 20431 20433 20434 20435 20436 20437 20439 20440 20441 20442 20444 20447 20451 20456 20460 20463 20472 20500 20502 20503 20504 20505 20506 20507 20508 20509 20510 20515 20520 20521 20522 20523 20524 20525 20526 20527 20528 20529 20530 20531 20533 20534 20535 20536 20538 20539 20540 20541 20542 20543 20544 20546 20547 20548 20549 20551 20552 20553 20554 20555 20557 20559 20560 20565 20566 20570 20571 20572 20573 20575 20576 20577 20579 20580 20581 20585 20586 20590 20591 20593 20594 20597 56998 88888

Methodology

EPA AQI evidence used here is county-derived. ZIP profiles connect to this evidence through the governed NDS geography relationship.