Calabar Health Impact
Calabar averaged 17.8 ug/m3 PM2.5, equal to 3.6x the WHO annual PM2.5 guideline and about 0.8 cigarettes per day by the simple AQI Now indicator. The page uses OpenAQ-derived daily history for 2 mapped monitoring locations in Cross River, Nigeria.
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Average EPA AQI
62
Rank 2 of 3 cities by average AQI
PM2.5
17.8
ug/m3 annualized city average
Seasonality
January
Cleanest: September
Health indicator
0.8
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Calabar
139
136
61
39
45
42
49
45
13
46
53
77
What this health page measures
Translate PM2.5 exposure into WHO exceedance and a simple cigarette-equivalent indicator.
For Calabar, the current global analytics build covers 363 daily rows from 2024-01-01 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.