What is the air quality trend in Grantham?

Over the past 14 days, Grantham had an average AQI of 46 based on station measurements. The worst day was 2026-05-31 with AQI 104.

How is Grantham air quality measured?

Air quality in Grantham 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 Grantham, United Kingdom

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

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

Current AQI
Good CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

99h

PM2.5 Station

99h · 1 station

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-06-09	18	18–18	4.3 µg/m³	1h	1
2026-06-08	39	9–163	13.8 µg/m³	9h	1
2026-06-07	50	23–141	14.1 µg/m³	10h	1
2026-06-06	57	31–87	16.5 µg/m³	7h	1
2026-06-05	46	15–132	13.0 µg/m³	8h	1
2026-06-04	56	20–153	17.4 µg/m³	7h	1
2026-06-03	37	10–126	11.0 µg/m³	7h	1
2026-06-02	49	8–151	14.4 µg/m³	11h	1
2026-06-01	55	17–205	21.9 µg/m³	14h	1
2026-05-31	104	11–197	73.6 µg/m³	2h	1
2026-05-29	35	15–52	8.4 µg/m³	8h	1
2026-05-28	26	2–47	6.2 µg/m³	4h	1
2026-05-27	40	28–55	9.8 µg/m³	5h	1
2026-05-26	43	11–69	11.1 µg/m³	6h	1

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