Charkhi Dādri vs Katihar
Side-by-side air quality comparison between Charkhi Dādri 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, Charkhi Dādri averaged an AQI of 145 while Katihar averaged 123 — a 22-point (18%) gap, with Charkhi Dādri the more polluted and Katihar the cleaner of the two. On 926 days when both cities reported, Charkhi Dādri was cleaner on 540 of them; the average daily gap was 80 AQI points.
Seasonality & days
Charkhi Dādri peaks in November, while Katihar peaks in December. Charkhi Dādri logged 0.7% Severe days and 28% Good-or-Satisfactory days; Katihar was 3.1% Severe and 26.9% Good-or-Satisfactory. Longest clean-air streaks: Charkhi Dādri 48 days, Katihar 19 days.
Year-over-year progress
Charkhi Dādri has improved by 51 AQI points (26%) from 2020 to 2024; Katihar has improved by 188 AQI points (60.5%) over the same window. The worst recorded day for Charkhi Dādri reached AQI 470 at Mini Secretariat Charkhi (HSPCB) on 2021-11-12; Katihar hit AQI 465 at Mirchaibari (BSPCB) on 2023-01-23.
Station-level disparity
Charkhi Dādri spans 1 CPCB stations with a 0-point spread (min 162, max 162); Katihar spans 1 stations with a 0-point spread (min 185, max 185).