Katni vs Siwan
Side-by-side air quality comparison between Katni and Siwan.
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, Katni averaged an AQI of 105 while Siwan averaged 148 — a 43-point (41%) gap, with Siwan the more polluted and Katni the cleaner of the two. On 749 days when both cities reported, Katni was cleaner on 547 of them; the average daily gap was 71 AQI points.
Seasonality & days
Katni peaks in November, while Siwan peaks in January. Katni logged 0% Severe days and 39.3% Good-or-Satisfactory days; Siwan was 5.2% Severe and 17.7% Good-or-Satisfactory. Longest clean-air streaks: Katni 62 days, Siwan 13 days.
Year-over-year progress
Katni has improved by 93 AQI points (47%) from 2019 to 2024; Siwan has improved by 184 AQI points (55.4%) over the same window. The worst recorded day for Katni reached AQI 350 at Gole Bazar (MPPCB) on 2019-11-01; Siwan hit AQI 488 at Chitragupta Nagar (BSPCB) on 2022-12-30.
Station-level disparity
Katni spans 1 CPCB stations with a 0-point spread (min 137, max 137); Siwan spans 1 stations with a 0-point spread (min 197, max 197).