Tālcher vs Tirunelveli
Side-by-side air quality comparison between Tālcher and Tirunelveli.
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 | Tālcher | Tirunelveli |
|---|---|---|
| PM2.5(µg/m³) | 65.90 | 4.30 |
| PM10(µg/m³) | 72.20 | 5.30 |
| NO₂(µg/m³) | 25.60 | 6.20 |
| SO₂(µg/m³) | 5.80 | 1.80 |
| O₃(µg/m³) | 19.00 | 26.00 |
| CO(µg/m³) | 508.00 | 139.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2023, Tālcher averaged an AQI of 127 while Tirunelveli averaged 30 — a 97-point (323%) gap, with Tālcher the more polluted and Tirunelveli the cleaner of the two.
Seasonality & days
Tālcher peaks in December, while Tirunelveli peaks in October. Tālcher logged 0.2% Severe days and 43.1% Good-or-Satisfactory days; Tirunelveli was 0% Severe and 100% Good-or-Satisfactory. Longest clean-air streaks: Tālcher 44 days, Tirunelveli 31 days.
Year-over-year progress
The worst recorded day for Tālcher reached AQI 414 at Talcher (OSPCB) on 2018-11-27; Tirunelveli hit AQI 42 at Municipal Corporation Office (TNPCB) on 2024-10-30.
Station-level disparity
Tālcher spans 1 CPCB stations with a 0-point spread (min 132, max 132); Tirunelveli spans 1 stations with a 0-point spread (min 30, max 30).
Verdict
🏆 Tirunelveli has better air quality with an AQI of 7 compared to Tālcher's 120. That's a significant difference of 113 points.