What is the air quality trend in Spring Valley?

Over the past 7 days, Spring Valley had an average AQI of 97 based on station measurements. The worst day was 2026-07-15 with AQI 176.

How is Spring Valley air quality measured?

Air quality in Spring Valley 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 Spring Valley, United States

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

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

Current AQI
Good 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
2026-07-21	35	9–58	8.6 µg/m³	23h	1
2026-07-20	18	8–33	4.4 µg/m³	22h	1
2026-07-19	62	21–107	18.4 µg/m³	24h	1
2026-07-18	140	29–184	66.9 µg/m³	24h	1
2026-07-17	122	33–214	67.0 µg/m³	24h	1
2026-07-16	128	73–263	62.7 µg/m³	24h	1
2026-07-15	176	158–206	102.2 µg/m³	9h	1

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