Delhi vs Tālcher
Side-by-side air quality comparison between Delhi 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
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Delhi averaged an AQI of 210 while Tālcher averaged 127 — a 83-point (65%) gap, with Delhi the more polluted and Tālcher the cleaner of the two. On 1644 days when both cities reported, Tālcher was cleaner on 1586 of them; the average daily gap was 175 AQI points.
Seasonality & days
Delhi peaks in November, while Tālcher peaks in December. Delhi logged 18.7% Severe days and 1.7% Good-or-Satisfactory days; Tālcher was 0.2% Severe and 43.1% Good-or-Satisfactory. Longest clean-air streaks: Delhi 3 days, Tālcher 44 days.
Year-over-year progress
Delhi has improved by 42 AQI points (16.7%) from 2016 to 2024; Tālcher has improved by 63 AQI points (33.2%) over the same window. The worst recorded day for Delhi reached AQI 500 at Ashok Vihar (DPCC) on 2024-11-18; Tālcher hit AQI 414 at Talcher (OSPCB) on 2018-11-27.
Station-level disparity
Delhi spans 39 CPCB stations with a 84-point spread (min 178, max 262); Tālcher spans 1 stations with a 0-point spread (min 132, max 132).