What is the air quality trend in Waterford?

Over the past 14 days, Waterford had an average AQI of 104 based on station measurements. The worst day was 2026-10-18 with AQI 141.

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, Ireland

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, Ireland.

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

68h

PM2.5 Station

68h · 1 station

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-10-21	101	98–103	35.7 µg/m³	3h	1
2026-10-20	113	100–131	40.6 µg/m³	4h	1
2026-10-19	141	139–143	51.8 µg/m³	4h	1
2026-10-18	141	138–142	51.7 µg/m³	5h	1
2026-10-17	126	114–135	45.9 µg/m³	4h	1
2026-10-16	99	90–108	34.4 µg/m³	5h	1
2026-10-15	90	88–92	30.5 µg/m³	5h	1
2026-10-14	90	89–93	30.6 µg/m³	5h	1
2026-10-13	78	70–85	25.2 µg/m³	6h	1
2026-10-12	74	67–90	23.2 µg/m³	6h	1
2026-10-11	96	94–99	33.4 µg/m³	5h	1
2026-10-10	96	86–101	33.5 µg/m³	5h	1
2026-10-09	88	81–101	29.4 µg/m³	5h	1
2026-10-08	124	117–130	44.7 µg/m³	6h	1

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