What is the air quality trend in Northampton?

Over the past 21 days, Northampton had an average AQI of 43 based on station measurements. The worst day was 2026-08-31 with AQI 54.

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

442h

PM2.5 Station

442h · 4 stations

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-09-05	41	19–67	10.5 µg/m³	16h	3
2026-09-04	37	15–59	9.1 µg/m³	23h	2
2026-09-03	38	10–62	9.3 µg/m³	22h	3
2026-09-02	35	12–74	8.8 µg/m³	23h	2
2026-09-01	33	3–50	7.9 µg/m³	23h	3
2026-08-31	54	12–373	25.1 µg/m³	23h	3
2026-08-30	35	21–58	8.4 µg/m³	22h	2
2026-08-29	45	11–145	12.6 µg/m³	23h	3
2026-08-28	51	10–110	14.3 µg/m³	24h	3
2026-08-27	45	7–77	11.5 µg/m³	20h	3
2026-08-26	48	13–79	12.8 µg/m³	21h	3
2026-08-25	47	22–84	12.0 µg/m³	22h	3
2026-08-24	44	18–80	11.2 µg/m³	22h	3
2026-08-23	52	20–151	14.3 µg/m³	22h	3
2026-08-22	39	14–66	9.8 µg/m³	24h	3
2026-08-21	40	15–76	10.0 µg/m³	20h	3
2026-08-20	47	6–357	21.5 µg/m³	24h	3
2026-08-19	48	21–86	12.6 µg/m³	22h	3
2026-08-18	36	7–104	9.3 µg/m³	20h	2
2026-08-17	44	18–101	11.3 µg/m³	22h	3
2026-08-16	52	44–58	13.1 µg/m³	4h	2

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