Katihar vs Sonipat
Side-by-side air quality comparison between Katihar and Sonipat.
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, Katihar averaged an AQI of 123 while Sonipat averaged 134 — a 11-point (9%) gap, with Sonipat the more polluted and Katihar the cleaner of the two. On 708 days when both cities reported, Sonipat was cleaner on 412 of them; the average daily gap was 89 AQI points.
Seasonality & days
Katihar peaks in December, while Sonipat peaks in November. Katihar logged 3.1% Severe days and 26.9% Good-or-Satisfactory days; Sonipat was 0.8% Severe and 26.5% Good-or-Satisfactory. Longest clean-air streaks: Katihar 19 days, Sonipat 21 days.
Year-over-year progress
Katihar has improved by 188 AQI points (60.5%) from 2021 to 2024; Sonipat has improved by 220 AQI points (62.1%) over the same window. The worst recorded day for Katihar reached AQI 465 at Mirchaibari (BSPCB) on 2023-01-23; Sonipat hit AQI 455 at Murthal (HSPCB) on 2023-11-03.
Station-level disparity
Katihar spans 1 CPCB stations with a 0-point spread (min 185, max 185); Sonipat spans 1 stations with a 0-point spread (min 162, max 162).