Coimbatore vs Saharsa
Side-by-side air quality comparison between Coimbatore and Saharsa.
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 Saharsa averaged 139 — a 73-point (111%) gap, with Saharsa the more polluted and Coimbatore the cleaner of the two. On 478 days when both cities reported, Coimbatore was cleaner on 428 of them; the average daily gap was 120 AQI points.
Seasonality & days
Coimbatore peaks in November, while Saharsa peaks in January. Coimbatore logged 0% Severe days and 90.5% Good-or-Satisfactory days; Saharsa was 1.4% Severe and 28.4% Good-or-Satisfactory. Longest clean-air streaks: Coimbatore 32 days, Saharsa 20 days.
Year-over-year progress
Coimbatore has improved by 5 AQI points (7%) from 2019 to 2024; Saharsa has improved by 139 AQI points (50%) over the same window. The worst recorded day for Coimbatore reached AQI 279 at SIDCO Kurichi (TNPCB) on 2024-09-28; Saharsa hit AQI 454 at Police Line (BSPCB) on 2022-12-13.
Station-level disparity
Coimbatore spans 2 CPCB stations with a 1-point spread (min 63, max 64); Saharsa spans 1 stations with a 0-point spread (min 188, max 188).