Sasaram vs Tālcher
Side-by-side air quality comparison between Sasaram 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, Sasaram averaged an AQI of 109 while Tālcher averaged 127 — a 18-point (17%) gap, with Tālcher the more polluted and Sasaram the cleaner of the two. On 496 days when both cities reported, Tālcher was cleaner on 338 of them; the average daily gap was 87 AQI points.
Seasonality & days
Sasaram peaks in January, while Tālcher peaks in December. Sasaram logged 0.1% Severe days and 37% Good-or-Satisfactory days; Tālcher was 0.2% Severe and 43.1% Good-or-Satisfactory. Longest clean-air streaks: Sasaram 27 days, Tālcher 44 days.
Year-over-year progress
Sasaram has improved by 166 AQI points (60.4%) from 2021 to 2024; Tālcher has improved by 63 AQI points (33.2%) over the same window. The worst recorded day for Sasaram reached AQI 401 at Dada Peer (BSPCB) on 2021-11-28; Tālcher hit AQI 414 at Talcher (OSPCB) on 2018-11-27.
Station-level disparity
Sasaram spans 1 CPCB stations with a 0-point spread (min 148, max 148); Tālcher spans 1 stations with a 0-point spread (min 132, max 132).