What is the air quality trend in Northampton?

Over the past 15 days, Northampton had an average AQI of 47 based on station measurements. The worst day was 2026-07-19 with AQI 61.

How is Northampton air quality measured?

Air quality in Northampton 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 Northampton, United Kingdom

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

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

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

305h

PM2.5 Station

305h · 2 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-07-22	37	30–46	8.8 µg/m³	6h	2
2026-07-21	41	13–77	10.4 µg/m³	23h	3
2026-07-20	35	16–59	8.4 µg/m³	22h	2
2026-07-19	61	3–500	52.4 µg/m³	23h	2
2026-07-18	51	5–147	14.5 µg/m³	21h	2
2026-07-17	47	9–70	12.0 µg/m³	22h	2
2026-07-16	58	26–164	17.3 µg/m³	21h	2
2026-07-15	49	21–70	12.5 µg/m³	19h	2
2026-07-14	49	22–89	13.0 µg/m³	20h	2
2026-07-13	39	16–71	9.8 µg/m³	24h	2
2026-07-12	40	18–133	10.7 µg/m³	20h	2
2026-07-11	58	17–204	22.8 µg/m³	22h	2
2026-07-10	48	18–153	13.0 µg/m³	24h	2
2026-07-09	60	4–292	23.2 µg/m³	23h	2
2026-07-08	40	16–57	9.9 µg/m³	15h	2

Back to Northampton Air Quality