What is the air quality trend in Hartley?

Over the past 8 days, Hartley had an average AQI of 64 based on station measurements. The worst day was 2026-05-25 with AQI 88.

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

168h

PM2.5 Station

168h · 23 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-05-30	39	31–45	9.3 µg/m³	15.1	4h	37
2026-05-29	54	28–96	14.0 µg/m³	21.9	24h	43
2026-05-28	57	40–137	15.4 µg/m³	29.8	24h	39
2026-05-27	68	51–119	20.3 µg/m³	31.2	24h	43
2026-05-26	66	51–102	19.3 µg/m³	28.6	24h	45
2026-05-25	88	56–125	29.6 µg/m³	33.0	24h	52
2026-05-24	71	40–130	21.7 µg/m³	26.9	24h	44
2026-05-23	75	48–152	23.5 µg/m³	22.8	20h	46

Back to Hartley Air Quality