Ghaziabad vs Katihar
Side-by-side air quality comparison between Ghaziabad and Katihar.
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 Katihar averaged 123 — a 54-point (44%) gap, with Ghaziabad the more polluted and Katihar the cleaner of the two. On 638 days when both cities reported, Katihar was cleaner on 476 of them; the average daily gap was 95 AQI points.
Seasonality & days
Ghaziabad peaks in November, while Katihar peaks in December. Ghaziabad logged 12.2% Severe days and 13.700000000000001% Good-or-Satisfactory days; Katihar was 3.1% Severe and 26.9% Good-or-Satisfactory. Longest clean-air streaks: Ghaziabad 19 days, Katihar 19 days.
Year-over-year progress
Ghaziabad has improved by 115 AQI points (39.4%) from 2017 to 2024; Katihar has improved by 188 AQI points (60.5%) over the same window. The worst recorded day for Ghaziabad reached AQI 500 at Vasundhara (UPPCB) on 2017-12-21; Katihar hit AQI 465 at Mirchaibari (BSPCB) on 2023-01-23.
Station-level disparity
Ghaziabad spans 4 CPCB stations with a 30-point spread (min 198, max 228); Katihar spans 1 stations with a 0-point spread (min 185, max 185).