Perundurai vs Tālcher
Side-by-side air quality comparison between Perundurai and Tālcher.
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 | Tālcher |
|---|---|---|
| PM2.5(µg/m³) | 2.90 | 46.20 |
| PM10(µg/m³) | 3.30 | 59.80 |
| NO₂(µg/m³) | 1.50 | 3.90 |
| SO₂(µg/m³) | 1.60 | 32.00 |
| O₃(µg/m³) | 90.00 | 237.00 |
| CO(µg/m³) | 141.00 | 205.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Perundurai averaged an AQI of 75 while Tālcher averaged 127 — a 52-point (69%) gap, with Tālcher the more polluted and Perundurai the cleaner of the two.
Seasonality & days
Perundurai peaks in November, while Tālcher peaks in December. Perundurai logged 0% Severe days and 80.7% Good-or-Satisfactory days; Tālcher was 0.2% Severe and 43.1% Good-or-Satisfactory. Longest clean-air streaks: Perundurai 13 days, Tālcher 44 days.
Year-over-year progress
The worst recorded day for Perundurai reached AQI 153 at SIPCOT Industrial Park (TNPCB) on 2024-11-12; Tālcher hit AQI 414 at Talcher (OSPCB) on 2018-11-27.
Station-level disparity
Perundurai spans 1 CPCB stations with a 0-point spread (min 75, max 75); Tālcher spans 1 stations with a 0-point spread (min 132, max 132).
Verdict
🏆 Perundurai has better air quality with an AQI of 5 compared to Tālcher's 77. That's a significant difference of 72 points.