Best air purifiers for 500 sq ft and wildfire smoke

Target smoke CADR 334 using 5 ACH and an 8 ft ceiling. Results come from AHAM Verifide CADR rows; CARB matches are marked when found.

Required smoke CADR = sqft x ceiling height x ACH / 60
500 x 8 x 5 / 60 = 334
AHAM 2/3 room-size cross-check: CADR >= 334

Model	Smoke CADR	AHAM room	CARB	Cost/CADR	Annual filter
LEVOIT LAP-C601S-WUSR 60 CADR above target	394	611 sq ft	Check CARB	$0.76	$59.99	Check price
LEVOIT LAP-C601S-AUS 57 CADR above target	391	606 sq ft	Check CARB	$0.77	$59.99	Check price
LEVOIT LAP-C601S-WCA 57 CADR above target	391	606 sq ft	Check CARB	$0.77	$59.99	Check price
LEVOIT LAP-C601S-WUS 57 CADR above target	391	606 sq ft	Check CARB	$0.77	$59.99	Check price
Blueair Blue Signature 121 CADR above target	455	705 sq ft	Matched	$0.99	N/A	Check price
Medify Air MA-112 Pro 266 CADR above target	600	930 sq ft	Check CARB	$0.99	N/A	Check price
Medify Air MA-112 260 CADR above target	594	921 sq ft	Check CARB	$1.00	N/A	Check price
LEVOIT LAP-EL551S-AUS 20 CADR above target	354	549 sq ft	Check CARB	$1.41	N/A	Check price
LEVOIT LAP-EL551S-AUSR 20 CADR above target	354	549 sq ft	Check CARB	$1.41	N/A	Check price
LEVOIT LAP-EL551S-WUSB 20 CADR above target	354	549 sq ft	Check CARB	$1.41	N/A	Check price
WOZOYO Pure Air PA12 29 CADR above target	363	563 sq ft	Matched	N/A	N/A	Check price
WOZOYO Pure Air PA6 29 CADR above target	363	563 sq ft	Matched	N/A	N/A	Check price
WOOZOO APF-45 2 CADR above target	336	530 sq ft	Check CARB	N/A	N/A	Check price
Winix 9800 3 CADR above target	337	522 sq ft	Check CARB	N/A	N/A	Check price
Winix C909 3 CADR above target	337	522 sq ft	Check CARB	N/A	N/A	Check price
Honeywell (Canada) HPA5350BC 4 CADR above target	338	523 sq ft	Check CARB	N/A	N/A	Check price
BOSCH Air 6000 5 CADR above target	339	525 sq ft	Check CARB	N/A	N/A	Check price
Blueair 3432111100 (Blue Pure 311i+ Max) 5 CADR above target	339	525 sq ft	Check CARB	N/A	N/A	Check price
Whirlpool WPPRO2000* 7 CADR above target	341	529 sq ft	Check CARB	N/A	N/A	Check price
Honeywell HPA3300B 8 CADR above target	342	530 sq ft	Check CARB	N/A	N/A	Check price
Sharp KCP110UW 13 CADR above target	347	538 sq ft	Check CARB	N/A	N/A	Check price
Blue Pure 211+ 14 CADR above target	348	539 sq ft	Check CARB	N/A	N/A	Check price
Medify Air MA-50 v3.0 18 CADR above target	352	545 sq ft	Check CARB	N/A	N/A	Check price
Blueair 3631101000 (Blue 3610) 19 CADR above target	353	550 sq ft	Check CARB	N/A	N/A	Check price
Blueair 3631101000 (Blue Pure211+ Auto) 22 CADR above target	356	552 sq ft	Check CARB	N/A	N/A	Check price