Greensboro vs Winston-Salem Air Quality Comparison
Which city has cleaner air right now, from the latest EPA AirNow AQI
As of November 8, 2026, Greensboro, NC and Winston-Salem, NC have effectively the same air quality — both at AQI 17 (Good) in the latest EPA AirNow observations. Greensboro's reading is driven by PM2.5 and Winston-Salem's by PM2.5.
Greensboro, NC
Good
Winston-Salem, NC
Good
Summary
Both cities have similar air quality
Our Pick
Improve Indoor Air Quality
Even with good outdoor air in Winston-Salem, indoor PM2.5, dust and allergens build up. A True-HEPA purifier keeps a bedroom or office consistently clean.
Budget Pick4.7(74,000+ ratings)
Levoit Core 400S
True HEPA · CADR ~141 CFM · rooms up to 219 sq ft
Best value True-HEPA for everyday allergens, dust and dander
Compare top-rated True-HEPA purifiers:
Budget Pick
Levoit Core 400S
True HEPA
True HEPA · CADR ~141 CFM · rooms up to 219 sq ft
~$1004.7
Check Price on Amazon →Editor's Pick
Levoit Vital 200S
True HEPA
True HEPA · washable pre-filter · rooms up to 1,875 sq ft
~$2004.6
Check Price on Amazon →Large Room
Coway AP-1512HH Mighty
HEPA + Carbon
True HEPA + carbon · CADR ~246 CFM · rooms up to 361 sq ft
~$2304.6
Check Price on Amazon →Prices are approximate and subject to change. As an Amazon Associate, we earn from qualifying purchases at no extra cost to you.
5-Day Forecast Comparison
| Day | Greensboro | Winston-Salem | Better |
|---|---|---|---|
| Today | AQI 22 | AQI 22 | Tie |
| Sun, Nov 8 | AQI 28 | AQI 28 | Tie |
| Mon, Nov 9 | AQI 36 | AQI 36 | Tie |
| Tue, Nov 10 | AQI 45 | AQI 45 | Tie |