Hapur vs Howrah
Side-by-side air quality comparison between Hapur 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, Hapur averaged an AQI of 142 while Howrah averaged 126 — a 16-point (13%) gap, with Hapur the more polluted and Howrah the cleaner of the two. On 1693 days when both cities reported, Howrah was cleaner on 910 of them; the average daily gap was 84 AQI points.
Seasonality & days
Hapur peaks in November, while Howrah peaks in December. Hapur logged 1.9% Severe days and 36.2% Good-or-Satisfactory days; Howrah was 0.7% Severe and 48.7% Good-or-Satisfactory. Longest clean-air streaks: Hapur 55 days, Howrah 120 days.
Year-over-year progress
Hapur has improved by 197 AQI points (58.1%) from 2018 to 2024; Howrah has improved by 32 AQI points (20.3%) over the same window. The worst recorded day for Hapur reached AQI 477 at Anand Vihar (UPPCB) on 2019-10-31; Howrah hit AQI 500 at Ghusuri (WBPCB) on 2017-04-15.
Station-level disparity
Hapur spans 1 CPCB stations with a 0-point spread (min 159, max 159); Howrah spans 5 stations with a 116-point spread (min 111, max 227).