Ireland AQI Analytics
OpenAQ-derived PM2.5 and PM10 history for 20 cities, mapped to AQI Now city pages and normalized to the US EPA AQI scale.
Search city analytics
- Cities
- 20
- Locations
- 39
- Daily rows
- 5,175
- Avg EPA AQI
- 32
with OpenAQ history
mapped monitors
2024-01-01 to 2024-12-31
8.4 ug/m3 PM2.5
Current data story
The highest average AQI in this pilot slice is Limerick, with an EPA AQI average of 49 and PM2.5 around 12.2 ug/m3. Its worst month is January.
Source: OpenAQ local parquet plus raw CSV coordinate recovery. Build 2026-05-12T00:27:56.105574+00:00.
Country average
32
US EPA scale
PM2.5 8.4 ug/m3 · PM10 12.2 ug/m3
Analytics tools
City AQI Comparison
LiveRank cities side by side using OpenAQ PM2.5 and PM10 history normalized to US EPA AQI.
20 eligible cities
Open toolSeasonal Pollution
LiveFind each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
20 eligible cities
Open toolHealth Impact
LiveTranslate PM2.5 exposure into WHO exceedance and a simple cigarette-equivalent indicator.
16 eligible cities
Open toolCities ranked by average AQI
| City | Avg AQI | PM2.5 | Worst month | Trend | Coverage |
|---|---|---|---|---|---|
| Limerick Limerick, Ireland | 49 | 12.2 ug/m3 | January | n/a | 320 days · 2 locations |
| Enniscorthy Wexford, Ireland | 47 | 10.0 ug/m3 | November | n/a | 102 days · 1 locations |
| Douglas Cork, Ireland | 46 | 10.6 ug/m3 | March | n/a | 70 days · 2 locations |
| Trim Meath, Ireland | 45 | 10.9 ug/m3 | November | n/a | 195 days · 1 locations |
| Finglas Dublin, Ireland | 42 | 8.8 ug/m3 | March | n/a | 69 days · 1 locations |
| Sligo Sligo, Ireland | 41 | 9.2 ug/m3 | November | n/a | 261 days · 1 locations |
| Dublin Leinster, Ireland | 39 | 8.3 ug/m3 | November | n/a | 250 days · 2 locations |
| Dunleary Dún Laoghaire-Rathdown, Ireland | 38 | 7.7 ug/m3 | March | n/a | 287 days · 1 locations |
| Ballyfermot Dublin, Ireland | 37 | 7.7 ug/m3 | November | n/a | 339 days · 3 locations |
| Dublin Dublin, Ireland | 37 | 7.6 ug/m3 | November | n/a | 319 days · 4 locations |
| Baile an Bhiataigh Meath, Ireland | 36 | 8.2 ug/m3 | May | n/a | 345 days · 2 locations |
| Carlow Carlow, Ireland | 34 | 6.8 ug/m3 | March | n/a | 274 days · 2 locations |
| Waterford Waterford, Ireland | 33 | 6.7 ug/m3 | March | n/a | 289 days · 1 locations |
| Cork Munster, Ireland | 32 | 6.5 ug/m3 | November | n/a | 297 days · 5 locations |
| Ros Comáin Roscommon, Ireland | 28 | 5.6 ug/m3 | November | n/a | 202 days · 1 locations |
| Palmerston Fingal, Ireland | 18 | 8.3 ug/m3 | March | n/a | 324 days · 3 locations |
| Castlebar Mayo, Ireland | 12 | n/a ug/m3 | January | n/a | 313 days · 1 locations |
| Dún Dealgan Louth, Ireland | 11 | n/a ug/m3 | November | n/a | 262 days · 1 locations |
| Port Laoise Laois, Ireland | 10 | n/a ug/m3 | November | n/a | 323 days · 2 locations |
| Tallaght South Dublin, Ireland | 9 | n/a ug/m3 | September | n/a | 334 days · 3 locations |