Coimbatore vs Sasaram
Side-by-side air quality comparison between Coimbatore and Sasaram.
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, Coimbatore averaged an AQI of 66 while Sasaram averaged 109 — a 43-point (65%) gap, with Sasaram the more polluted and Coimbatore the cleaner of the two. On 523 days when both cities reported, Coimbatore was cleaner on 453 of them; the average daily gap was 88 AQI points.
Seasonality & days
Coimbatore peaks in November, while Sasaram peaks in January. Coimbatore logged 0% Severe days and 90.5% Good-or-Satisfactory days; Sasaram was 0.1% Severe and 37% Good-or-Satisfactory. Longest clean-air streaks: Coimbatore 32 days, Sasaram 27 days.
Year-over-year progress
Coimbatore has improved by 5 AQI points (7%) from 2019 to 2024; Sasaram has improved by 166 AQI points (60.4%) over the same window. The worst recorded day for Coimbatore reached AQI 279 at SIDCO Kurichi (TNPCB) on 2024-09-28; Sasaram hit AQI 401 at Dada Peer (BSPCB) on 2021-11-28.
Station-level disparity
Coimbatore spans 2 CPCB stations with a 1-point spread (min 63, max 64); Sasaram spans 1 stations with a 0-point spread (min 148, max 148).