Dhaka Seasonal Pollution
Dhaka usually records its highest OpenAQ-derived EPA AQI in January and its cleanest month in July. The page uses OpenAQ-derived daily history for 1 mapped monitoring location in Dhaka Division, Bangladesh.
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Average EPA AQI
178
Rank 2 of 2 cities by average AQI
PM2.5
98.4
ug/m3 annualized city average
Seasonality
January
Cleanest: July
Health indicator
4.5
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Dhaka
291
235
198
168
159
123
100
101
121
159
195
273
What this seasonality page measures
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
For Dhaka, the current global analytics build covers 357 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.