What is the air quality trend in River Falls?

Over the past 8 days, River Falls had an average AQI of 88 based on station measurements. The worst day was 2026-07-16 with AQI 254.

How is River Falls air quality measured?

Air quality in River Falls 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 River Falls, United States

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

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

Current AQI
Moderate CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

163h

PM2.5 Station

163h · 3 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-07-21	58	31–70	15.9 µg/m³	22h	15
2026-07-20	70	28–111	21.7 µg/m³	24h	15
2026-07-19	93	58–137	31.8 µg/m³	24h	16
2026-07-18	62	45–75	17.1 µg/m³	23h	17
2026-07-17	73	49–133	22.4 µg/m³	24h	17
2026-07-16	254	56–339	201.5 µg/m³	23h	16
2026-07-15	55	35–153	15.3 µg/m³	22h	7
2026-07-14	44	44–44	10.5 µg/m³	1h	3

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