Sri Lanka AQI Analytics
OpenAQ-derived PM2.5 and PM10 history for 3 cities, mapped to AQI Now city pages and normalized to the US EPA AQI scale.
Search city analytics
- Cities
- 3
- Locations
- 3
- Daily rows
- 643
- Avg EPA AQI
- 62
with OpenAQ history
mapped monitors
2024-01-01 to 2024-12-31
16.2 ug/m3 PM2.5
Current data story
The highest average AQI in this pilot slice is Jaffna, with an EPA AQI average of 66 and PM2.5 around 17.5 ug/m3. Its worst month is December.
Source: OpenAQ local parquet plus raw CSV coordinate recovery. Build 2026-05-12T00:27:56.105574+00:00.
Country average
62
US EPA scale
PM2.5 16.2 ug/m3 · PM10 n/a ug/m3
Analytics tools
City AQI Comparison
LiveRank cities side by side using OpenAQ PM2.5 and PM10 history normalized to US EPA AQI.
3 eligible cities
Open toolSeasonal Pollution
LiveFind each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
3 eligible cities
Open toolHealth Impact
LiveTranslate PM2.5 exposure into WHO exceedance and a simple cigarette-equivalent indicator.
3 eligible cities
Open tool