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Iru: safety, air quality, noise, radon and schools
Iru neighbourhood in Tallinn's Pirita district
Iru (Pirita) has a crime index of 8.1/10 (high risk; rank 63 of 66, Tallinn neighbourhood median 6.9). Good air covers 85% of hours (median 74%) and mean noise is 51 dB (median 56 dB).
| Indicator | This neighbourhood | Median of Tallinn neighbourhoods | Rank (1 = best) |
|---|---|---|---|
| Crime index (0–10, lower is better) | 8.1 · high risk | 6.9 | 63 / 66 |
| Good-air hours, % (last 90 days) | 85 | 74 | 3 / 66 |
| Poor-air hours, % | 2.3 | 6.4 | 1 / 66 |
| Mean noise, dB (Lden) | 51 | 56 | 7 / 62 |
| Area above 55 dB, % | 30 | 61 | 8 / 62 |
| Radon, modelled indoor level (Bq/m³) | 250 - 500 |
This neighbourhood is smaller than one grid cell, so the figures for crime come from the cell nearest to its centre.
Other neighbourhoods in this district
Frequently asked questions
How safe is Iru?
Iru (Pirita) has a crime index of 8.1/10 (high risk; rank 63 of 66, Tallinn neighbourhood median 6.9). Good air covers 85% of hours (median 74%) and mean noise is 51 dB (median 56 dB). The index is relative: use it to compare areas, not to judge a single building.
Where does the data for Iru come from?
Crime: Police and Border Guard Board open data on registered offences (crimes and misdemeanours), data up to 2026-11-04; populations come from the Estiq database's population table. Air: hourly air-quality readings in the Estiq database (PM10 and NO₂ classes) in H3 cells, last 90 days. Noise: the Estonian Environment Agency's strategic noise map (Lden). Radon: the Geological Survey of Estonia's radon-risk layer (modelled indoor level). Schools: the school register (EHIS) and Estiq's 0–100 level based on state-exam results. Sold price: Maa- ja Ruumiamet notarised apartment sales. Neighbourhood outlines: Maa- ja Ruumiamet.
Go deeper
Data, method and limits
Data
Crime: Police and Border Guard Board open data on registered offences (crimes and misdemeanours), data up to 2026-11-04; populations come from the Estiq database's population table. Air: hourly air-quality readings in the Estiq database (PM10 and NO₂ classes) in H3 cells, last 90 days. Noise: the Estonian Environment Agency's strategic noise map (Lden). Radon: the Geological Survey of Estonia's radon-risk layer (modelled indoor level). Schools: the school register (EHIS) and Estiq's 0–100 level based on state-exam results. Sold price: Maa- ja Ruumiamet notarised apartment sales. Neighbourhood outlines: Maa- ja Ruumiamet.
Method
Crime: police open-data incidents, weighted by severity and population (a relative index; only grid cells with at least 10 incidents in 2 years count). Air: share of good (EAQI 1–2) and poor (4–5) hours over the last 90 days of measurements. Noise: mean Lden of the strategic noise map across the neighbourhood; unmapped areas are not counted. Radon: modelled indoor level, not a measurement of a specific flat. The figures compare areas; they do not rate a single building.
Limits
A registered incident is not the same as an offence that happened; reporting varies. Air values are class values, not exact concentrations, and PM2.5 is not available. The figures describe an area as a whole, not a specific street or building, and do not replace a visit or the official overviews. A neighbourhood's value is the average of the grid cells inside its outline; for a neighbourhood smaller than one cell the nearest cell is used and the page says so.
Sources: Police and Border Guard Board: open data (registered offences) · Estonian Environment Agency: strategic noise map · Environment Agency: air-quality monitoring (ohuseire.ee) · Maa- ja Ruumiamet: sales and neighbourhood outlines
Data refreshed: crime through 2026-11-04, air 2026-11-11, noise 2026-11-11, schools 2026-11-11.