Tālcher vs Tiruchirappalli
Side-by-side air quality comparison between Tālcher and Tiruchirappalli.
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
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2023, Tālcher averaged an AQI of 127 while Tiruchirappalli averaged 50 — a 77-point (154%) gap, with Tālcher the more polluted and Tiruchirappalli the cleaner of the two. On 6 days when both cities reported, Tiruchirappalli was cleaner on 6 of them; the average daily gap was 243 AQI points.
Seasonality & days
Tālcher peaks in December, while Tiruchirappalli peaks in January. Tālcher logged 0.2% Severe days and 43.1% Good-or-Satisfactory days; Tiruchirappalli was 0% Severe and 96.5% Good-or-Satisfactory. Longest clean-air streaks: Tālcher 44 days, Tiruchirappalli 46 days.
Year-over-year progress
Tālcher has improved by 63 AQI points (33.2%) from 2018 to 2023; Tiruchirappalli has improved by 23 AQI points (31.5%) over the same window. The worst recorded day for Tālcher reached AQI 414 at Talcher (OSPCB) on 2018-11-27; Tiruchirappalli hit AQI 114 at St Joseph College (TNPCB) on 2024-01-14.
Station-level disparity
Tālcher spans 1 CPCB stations with a 0-point spread (min 132, max 132); Tiruchirappalli spans 1 stations with a 0-point spread (min 52, max 52).