What is the air quality trend in Sparta?

Over the past 8 days, Sparta had an average AQI of 81 based on station measurements. The worst day was 2026-07-16 with AQI 121.

How is Sparta air quality measured?

Air quality in Sparta 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 Sparta, United States

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

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

Current AQI
Good CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

168h

PM2.5 Station

168h · 4 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-07-21	55	33–89	14.3 µg/m³	21.6	23h	4
2026-07-20	41	17–73	10.2 µg/m³	8.1	24h	4
2026-07-19	62	30–110	18.4 µg/m³	24.0	24h	4
2026-07-18	109	47–154	38.4 µg/m³	80.3	24h	5
2026-07-17	119	41–306	54.7 µg/m³	90.5	24h	5
2026-07-16	121	81–216	50.7 µg/m³	117.0	24h	5
2026-07-15	74	43–156	23.2 µg/m³	26.0	24h	6
2026-07-14	68	68–68	20.0 µg/m³	20.2	1h	1

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