What is the air quality trend in Carrboro?

Over the past 14 days, Carrboro had an average AQI of 44 based on station measurements. The worst day was 2026-07-17 with AQI 87.

How is Carrboro air quality measured?

Air quality in Carrboro 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 Carrboro, United States

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

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

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

299h

PM2.5 Station

299h · 5 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-07-21	46	23–76	11.5 µg/m³	18h	3
2026-07-20	44	17–92	11.8 µg/m³	18h	2
2026-07-19	43	19–83	11.5 µg/m³	19h	3
2026-07-18	50	6–117	14.1 µg/m³	21h	3
2026-07-17	87	21–199	39.8 µg/m³	20h	2
2026-07-16	63	25–237	26.3 µg/m³	22h	3
2026-07-15	43	15–76	10.7 µg/m³	23h	2
2026-07-14	41	18–166	11.7 µg/m³	24h	3
2026-07-13	41	24–61	10.1 µg/m³	23h	3
2026-07-12	30	15–55	7.4 µg/m³	21h	2
2026-07-11	32	21–54	7.7 µg/m³	22h	3
2026-07-10	33	23–41	7.9 µg/m³	22h	3
2026-07-09	37	17–56	9.0 µg/m³	23h	2
2026-07-08	36	20–52	8.7 µg/m³	23h	3

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