What is the air quality trend in Springfield?

Over the past 8 days, Springfield had an average AQI of 50 based on station measurements. The worst day was 2026-07-17 with AQI 73.

How is Springfield air quality measured?

Air quality in Springfield 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 Springfield, United States

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

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

Current AQI
Moderate Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

150h

PM2.5 Station

150h · 1 station

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-07-22	48	35–57	11.9 µg/m³	3h	2
2026-07-21	52	30–91	13.6 µg/m³	24h	2
2026-07-20	53	32–77	14.0 µg/m³	24h	2
2026-07-19	44	22–67	10.8 µg/m³	24h	2
2026-07-18	46	28–111	12.3 µg/m³	23h	2
2026-07-17	73	26–270	34.6 µg/m³	24h	3
2026-07-16	52	13–167	16.6 µg/m³	15h	1
2026-07-15	36	11–59	8.9 µg/m³	13h	1

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