What is the air quality trend in Greensboro?

Over the past 21 days, Greensboro had an average AQI of 31 based on station measurements. The worst day was 2026-06-09 with AQI 44.

How is Greensboro air quality measured?

Air quality in Greensboro is measured by ground-level monitoring stations that report PM2.5 and PM10 concentrations hourly. CERNS.IO aggregates readings from nearby stations and converts PM2.5 to the US EPA Air Quality Index (AQI) scale.

Air Quality History for Greensboro, United States

Name: Greensboro Air Quality History
Creator: CERNS.IO
License: https://creativecommons.org/licenses/by/4.0/

Historical PM2.5 and AQI trend from monitoring stations near Greensboro, United States.

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

457h

PM2.5 Station

457h · 1 station

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-06-09	44	33–48	10.4 µg/m³	4h	2
2026-06-08	38	10–56	9.2 µg/m³	23h	2
2026-06-07	41	18–62	10.1 µg/m³	24h	2
2026-06-06	41	25–58	9.9 µg/m³	23h	2
2026-06-05	41	15–62	10.0 µg/m³	24h	2
2026-06-04	38	27–58	9.1 µg/m³	23h	2
2026-06-03	29	7–51	6.9 µg/m³	24h	2
2026-06-02	35	19–51	8.4 µg/m³	23h	2
2026-06-01	32	8–53	7.7 µg/m³	21h	2
2026-05-31	28	8–44	6.6 µg/m³	23h	2
2026-05-30	34	10–52	8.2 µg/m³	21h	2
2026-05-29	31	10–61	7.5 µg/m³	22h	2
2026-05-28	32	16–56	7.7 µg/m³	23h	2
2026-05-27	28	15–48	6.7 µg/m³	24h	2
2026-05-26	26	17–41	6.2 µg/m³	23h	2
2026-05-25	20	5–48	4.9 µg/m³	22h	2
2026-05-24	21	5–37	5.0 µg/m³	22h	2
2026-05-23	27	8–46	6.4 µg/m³	23h	2
2026-05-22	25	11–64	6.1 µg/m³	23h	2
2026-05-21	26	12–47	6.3 µg/m³	23h	2
2026-05-20	32	10–58	7.8 µg/m³	19h	2

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