Perundurai vs Puducherry
Side-by-side air quality comparison between Perundurai and Puducherry.
Live AQI from Open-Meteo CAMS (~45 km global model, updated hourly). Multi-year history from CPCB station data via aqinow.co pipeline (2016–2024, station-level daily records).
AQI Comparison
Pollutant-level comparison (PM2.5, PM10, O3, NO2, SO2, CO)▾
| Pollutant | Perundurai | Puducherry |
|---|---|---|
| PM2.5(µg/m³) | 9.20 | 16.40 |
| PM10(µg/m³) | 10.30 | 19.20 |
| NO₂(µg/m³) | 10.50 | 18.50 |
| SO₂(µg/m³) | 3.60 | 8.80 |
| O₃(µg/m³) | 35.00 | 37.00 |
| CO(µg/m³) | 172.00 | 394.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Perundurai averaged an AQI of 75 while Puducherry averaged 55 — a 20-point (36%) gap, with Perundurai the more polluted and Puducherry the cleaner of the two. On 54 days when both cities reported, Puducherry was cleaner on 31 of them; the average daily gap was 24 AQI points.
Seasonality & days
Perundurai peaks in November, while Puducherry peaks in December. Perundurai logged 0% Severe days and 80.7% Good-or-Satisfactory days; Puducherry was 0% Severe and 95.4% Good-or-Satisfactory. Longest clean-air streaks: Perundurai 13 days, Puducherry 117 days.
Year-over-year progress
The worst recorded day for Perundurai reached AQI 153 at SIPCOT Industrial Park (TNPCB) on 2024-11-12; Puducherry hit AQI 274 at Jawahar Nagar (PPCC) on 2022-10-25.
Station-level disparity
Perundurai spans 1 CPCB stations with a 0-point spread (min 75, max 75); Puducherry spans 1 stations with a 0-point spread (min 56, max 56).
Verdict
🏆 Perundurai has better air quality with an AQI of 15 compared to Puducherry's 27.