What is the air quality trend in Hartley?

Over the past 7 days, Hartley had an average AQI of 59 based on station measurements. The worst day was 2026-05-25 with AQI 74.

How is Hartley air quality measured?

Air quality in Hartley 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 Hartley, United Kingdom

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

Historical PM2.5 and AQI trend from monitoring stations near Hartley, United Kingdom.

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

167h

PM2.5 Station

167h · 19 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-05-29	44	27–66	11.0 µg/m³	23.0	23h	34
2026-05-28	57	34–161	16.1 µg/m³	29.8	24h	34
2026-05-27	62	48–83	17.2 µg/m³	31.2	24h	38
2026-05-26	65	39–113	19.3 µg/m³	28.6	24h	41
2026-05-25	74	50–115	22.8 µg/m³	33.0	24h	45
2026-05-24	58	29–90	16.0 µg/m³	26.9	24h	37
2026-05-23	56	36–114	15.1 µg/m³	21.1	24h	38

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