Howrah vs Khanna
Side-by-side air quality comparison between Howrah and Khanna.
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 Khanna averaged 102 — a 24-point (24%) gap, with Howrah the more polluted and Khanna the cleaner of the two. On 357 days when both cities reported, Khanna was cleaner on 209 of them; the average daily gap was 78 AQI points.
Seasonality & days
Howrah peaks in December, while Khanna peaks in November. Howrah logged 0.7% Severe days and 48.7% Good-or-Satisfactory days; Khanna was 0% Severe and 61.599999999999994% Good-or-Satisfactory. Longest clean-air streaks: Howrah 120 days, Khanna 60 days.
Year-over-year progress
Howrah has improved by 32 AQI points (20.3%) from 2016 to 2024; Khanna has worsened by 4 AQI points (4.1%) over the same window. The worst recorded day for Howrah reached AQI 500 at Ghusuri (WBPCB) on 2017-04-15; Khanna hit AQI 297 at Kalal Majra (PPCB) on 2023-11-09.
Station-level disparity
Howrah spans 5 CPCB stations with a 116-point spread (min 111, max 227); Khanna spans 1 stations with a 0-point spread (min 100, max 100).