Karachi Health Impact
Karachi averaged 35.4 ug/m3 PM2.5, equal to 7.1x the WHO annual PM2.5 guideline and about 1.6 cigarettes per day by the simple AQI Now indicator. The page uses OpenAQ-derived daily history for 2 mapped monitoring locations in Sindh, Pakistan.
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Average EPA AQI
100
Rank 5 of 5 cities by average AQI
PM2.5
35.4
ug/m3 annualized city average
Seasonality
January
Cleanest: August
Health indicator
1.6
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Karachi
122
103
121
91
78
84
92
74
87
117
122
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What this health page measures
Translate PM2.5 exposure into WHO exceedance and a simple cigarette-equivalent indicator.
For Karachi, the current global analytics build covers 275 daily rows from 2023-12-31 to 2024-11-29. The calculations normalize PM2.5 and PM10 observations into US EPA AQI bands so country, city, and tool pages use one consistent method.