Northampton Health Impact
Northampton averaged 9.5 ug/m3 PM2.5, equal to 1.9x the WHO annual PM2.5 guideline and about 0.4 cigarettes per day by the simple AQI Now indicator. The page uses OpenAQ-derived daily history for 1 mapped monitoring location in Northamptonshire, United Kingdom.
Search city analytics
Average EPA AQI
Rank 20 of 171 cities by average AQI
PM2.5
9.5
ug/m3 annualized city average
Seasonality
November
Cleanest: April
Health indicator
0.4
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
What this health page measures
Translate PM2.5 exposure into WHO exceedance and a simple cigarette-equivalent indicator.
For Northampton, the current global analytics build covers 223 daily rows from 2024-03-26 to 2024-12-31. The calculations normalize PM2.5 and PM10 observations into US EPA AQI bands so country, city, and tool pages use one consistent method.