What is the air quality trend in Leicester?

Over the past 8 days, Leicester had an average AQI of 63 based on station measurements. The worst day was 2026-06-04 with AQI 92.

How is Leicester air quality measured?

Air quality in Leicester 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 Leicester, United Kingdom

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

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

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

158h

PM2.5 Station

158h · 4 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-06-09	27	19–38	6.5 µg/m³	7h	3
2026-06-08	44	13–92	11.6 µg/m³	22h	3
2026-06-07	75	12–500	55.8 µg/m³	24h	4
2026-06-06	56	15–154	16.5 µg/m³	22h	3
2026-06-05	66	13–129	20.5 µg/m³	23h	4
2026-06-04	92	13–281	39.5 µg/m³	23h	4
2026-06-03	88	19–196	34.9 µg/m³	23h	4
2026-06-02	61	36–149	17.7 µg/m³	14h	5

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