What is the air quality trend in Waterford?

Over the past 8 days, Waterford had an average AQI of 112 based on station measurements. The worst day was 2026-07-17 with AQI 238.

How is Waterford air quality measured?

Air quality in Waterford 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 Waterford, United States

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

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

Current AQI
Good CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

169h

PM2.5 Station

169h · 2 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	76	62–87	24.2 µg/m³	48.6	23h	18
2026-07-20	77	62–101	24.4 µg/m³	48.5	24h	20
2026-07-19	87	63–118	28.9 µg/m³	63.5	24h	21
2026-07-18	95	32–193	39.8 µg/m³	63.5	24h	21
2026-07-17	238	179–305	183.0 µg/m³	275.2	24h	22
2026-07-16	218	161–289	161.4 µg/m³	359.6	24h	19
2026-07-15	57	48–99	15.0 µg/m³	23.7	24h	18
2026-07-14	54	52–55	13.3 µg/m³	19.0	2h	18

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