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 237.

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

168h

PM2.5 Station

168h · 3 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	82	64–92	26.7 µg/m³	51.3	20h	17
2026-07-20	78	59–92	24.8 µg/m³	48.5	24h	18
2026-07-19	90	62–121	30.6 µg/m³	63.5	24h	19
2026-07-18	91	32–191	37.8 µg/m³	63.5	24h	18
2026-07-17	237	177–299	182.3 µg/m³	275.2	24h	21
2026-07-16	214	153–316	157.3 µg/m³	359.6	24h	19
2026-07-15	56	48–97	14.6 µg/m³	23.7	24h	17
2026-07-14	55	52–59	13.7 µg/m³	18.1	4h	14

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