What is the air quality trend in Northampton?

Over the past 15 days, Northampton had an average AQI of 61 based on station measurements. The worst day was 2026-05-19 with AQI 79.

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
Moderate Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

331h

PM2.5 Station

331h · 3 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-05-29	36	19–86	9.1 µg/m³	20h	3
2026-05-28	51	25–154	14.3 µg/m³	24h	3
2026-05-27	59	27–139	17.0 µg/m³	24h	4
2026-05-26	69	18–160	21.6 µg/m³	23h	4
2026-05-25	62	18–174	19.9 µg/m³	24h	5
2026-05-24	50	17–177	15.9 µg/m³	24h	4
2026-05-23	54	26–156	15.3 µg/m³	24h	5
2026-05-22	62	30–154	18.6 µg/m³	24h	5
2026-05-21	69	23–213	29.1 µg/m³	24h	4
2026-05-20	64	21–158	20.4 µg/m³	23h	5
2026-05-19	79	26–147	25.9 µg/m³	24h	7
2026-05-18	65	7–165	22.7 µg/m³	24h	5
2026-05-17	74	21–147	23.5 µg/m³	24h	7
2026-05-16	73	17–305	31.0 µg/m³	22h	7
2026-05-15	62	39–102	18.7 µg/m³	3h	5

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