What is the air quality trend in Sparta?

Over the past 8 days, Sparta had an average AQI of 85 based on station measurements. The worst day was 2026-07-17 with AQI 159.

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

167h

PM2.5 Station

167h · 5 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-07-22	44	42–46	10.5 µg/m³	11.9	2h	3
2026-07-21	54	23–79	14.1 µg/m³	21.5	24h	4
2026-07-20	55	21–154	15.6 µg/m³	8.1	23h	4
2026-07-19	72	28–168	23.2 µg/m³	24.0	24h	5
2026-07-18	122	56–168	48.5 µg/m³	80.3	24h	5
2026-07-17	159	62–306	84.3 µg/m³	90.5	24h	6
2026-07-16	112	61–192	48.9 µg/m³	117.0	24h	6
2026-07-15	63	42–122	18.0 µg/m³	26.7	22h	5

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