Gaya vs Howrah
Side-by-side air quality comparison between Gaya 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, Gaya averaged an AQI of 110 while Howrah averaged 126 — a 16-point (15%) gap, with Howrah the more polluted and Gaya the cleaner of the two. On 2174 days when both cities reported, Howrah was cleaner on 1200 of them; the average daily gap was 69 AQI points.
Seasonality & days
Gaya peaks in January, while Howrah peaks in December. Gaya logged 1.7% Severe days and 32% Good-or-Satisfactory days; Howrah was 0.7% Severe and 48.7% Good-or-Satisfactory. Longest clean-air streaks: Gaya 52 days, Howrah 120 days.
Year-over-year progress
Gaya has improved by 89 AQI points (44.7%) from 2016 to 2024; Howrah has improved by 32 AQI points (20.3%) over the same window. The worst recorded day for Gaya reached AQI 500 at Collectorate (BSPCB) on 2016-10-15; Howrah hit AQI 500 at Ghusuri (WBPCB) on 2017-04-15.
Station-level disparity
Gaya spans 3 CPCB stations with a 85-point spread (min 88, max 173); Howrah spans 5 stations with a 116-point spread (min 111, max 227).