What is the air quality trend in Clemson?

Over the past 15 days, Clemson had an average AQI of 43 based on station measurements. The worst day was 2026-07-17 with AQI 74.

How is Clemson air quality measured?

Air quality in Clemson 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 Clemson, United States

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

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

Current AQI
Good CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

219h

PM2.5 Station

219h · 1 station

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-07-22	45	22–65	11.7 µg/m³	8h	1
2026-07-21	42	23–70	11.2 µg/m³	10h	1
2026-07-20	61	1–124	18.6 µg/m³	16h	1
2026-07-19	54	13–147	16.0 µg/m³	15h	1
2026-07-18	56	19–159	16.6 µg/m³	14h	1
2026-07-17	74	11–212	34.8 µg/m³	16h	1
2026-07-16	50	17–155	14.1 µg/m³	17h	1
2026-07-15	42	3–99	10.9 µg/m³	16h	1
2026-07-14	30	11–52	7.3 µg/m³	15h	1
2026-07-13	32	13–57	7.7 µg/m³	16h	1
2026-07-12	24	18–34	5.9 µg/m³	16h	1
2026-07-11	34	17–56	8.3 µg/m³	19h	1
2026-07-10	38	21–52	9.1 µg/m³	18h	1
2026-07-09	37	15–51	8.8 µg/m³	14h	1
2026-07-08	32	21–41	7.6 µg/m³	9h	1

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