Howrah vs Mahād
Side-by-side air quality comparison between Howrah and Mahād.
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 Mahād averaged 90 — a 36-point (40%) gap, with Howrah the more polluted and Mahād the cleaner of the two. On 339 days when both cities reported, Mahād was cleaner on 285 of them; the average daily gap was 71 AQI points.
Seasonality & days
Howrah peaks in December, while Mahād peaks in November. Howrah logged 0.7% Severe days and 48.7% Good-or-Satisfactory days; Mahād was 0% Severe and 63.699999999999996% Good-or-Satisfactory. Longest clean-air streaks: Howrah 120 days, Mahād 49 days.
Year-over-year progress
Howrah has improved by 32 AQI points (20.3%) from 2016 to 2024; Mahād has worsened by 6 AQI points (7.1%) over the same window. The worst recorded day for Howrah reached AQI 500 at Ghusuri (WBPCB) on 2017-04-15; Mahād hit AQI 242 at Kamble Tarf Birwadi (MPCB) on 2023-11-19.
Station-level disparity
Howrah spans 5 CPCB stations with a 116-point spread (min 111, max 227); Mahād spans 1 stations with a 0-point spread (min 88, max 88).