Ghaziabad vs Howrah
Side-by-side air quality comparison between Ghaziabad and Howrah.
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, Ghaziabad averaged an AQI of 177 while Howrah averaged 126 — a 51-point (40%) gap, with Ghaziabad the more polluted and Howrah the cleaner of the two. On 2251 days when both cities reported, Howrah was cleaner on 1865 of them; the average daily gap was 108 AQI points.
Seasonality & days
Ghaziabad peaks in November, while Howrah peaks in December. Ghaziabad logged 12.2% Severe days and 13.700000000000001% Good-or-Satisfactory days; Howrah was 0.7% Severe and 48.7% Good-or-Satisfactory. Longest clean-air streaks: Ghaziabad 19 days, Howrah 120 days.
Year-over-year progress
Ghaziabad has improved by 115 AQI points (39.4%) from 2017 to 2024; Howrah has improved by 32 AQI points (20.3%) over the same window. The worst recorded day for Ghaziabad reached AQI 500 at Vasundhara (UPPCB) on 2017-12-21; Howrah hit AQI 500 at Ghusuri (WBPCB) on 2017-04-15.
Station-level disparity
Ghaziabad spans 4 CPCB stations with a 30-point spread (min 198, max 228); Howrah spans 5 stations with a 116-point spread (min 111, max 227).