Howrah vs Satna
Side-by-side air quality comparison between Howrah and Satna.
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, Howrah averaged an AQI of 126 while Satna averaged 66 — a 60-point (91%) gap, with Howrah the more polluted and Satna the cleaner of the two. On 1994 days when both cities reported, Satna was cleaner on 1492 of them; the average daily gap was 92 AQI points.
Seasonality & days
Howrah peaks in December, while Satna peaks in November. Howrah logged 0.7% Severe days and 48.7% Good-or-Satisfactory days; Satna was 0.2% Severe and 74.1% Good-or-Satisfactory. Longest clean-air streaks: Howrah 120 days, Satna 146 days.
Year-over-year progress
Howrah has improved by 32 AQI points (20.3%) from 2016 to 2024; Satna has improved by 58 AQI points (46.8%) over the same window. The worst recorded day for Howrah reached AQI 500 at Ghusuri (WBPCB) on 2017-04-15; Satna hit AQI 500 at Bandhavgar Colony Satna (Cement) on 2018-05-27.
Station-level disparity
Howrah spans 5 CPCB stations with a 116-point spread (min 111, max 227); Satna spans 1 stations with a 0-point spread (min 85, max 85).