What is the air quality trend in Chester-le-Street?

Over the past 15 days, Chester-le-Street had an average AQI of 58 based on station measurements. The worst day was 2026-05-20 with AQI 79.

How is Chester-le-Street air quality measured?

Air quality in Chester-le-Street 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 Chester-le-Street, United Kingdom

Name: Chester-le-Street Air Quality History
Creator: CERNS.IO
License: https://creativecommons.org/licenses/by/4.0/

Historical PM2.5 and AQI trend from monitoring stations near Chester-le-Street, United Kingdom.

Current AQI
Good CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

311h

PM2.5 Station

311h · 2 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-05-29	37	10–81	9.7 µg/m³	16h	2
2026-05-28	48	21–100	13.0 µg/m³	21h	2
2026-05-27	56	16–119	16.3 µg/m³	20h	3
2026-05-26	63	24–195	21.5 µg/m³	23h	3
2026-05-25	59	18–166	18.3 µg/m³	24h	3
2026-05-24	45	17–83	12.2 µg/m³	22h	3
2026-05-23	52	21–159	15.5 µg/m³	23h	3
2026-05-22	65	20–143	19.8 µg/m³	21h	3
2026-05-21	68	17–217	28.8 µg/m³	23h	3
2026-05-20	79	18–178	28.7 µg/m³	24h	3
2026-05-19	72	21–162	24.6 µg/m³	23h	3
2026-05-18	74	12–173	25.6 µg/m³	24h	3
2026-05-17	67	21–125	20.7 µg/m³	22h	4
2026-05-16	68	18–176	23.1 µg/m³	21h	4
2026-05-15	29	14–44	6.9 µg/m³	4h	2

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