Katihar vs Sirohi
Side-by-side air quality comparison between Katihar and Sirohi.
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 Sirohi averaged 89 — a 34-point (38%) gap, with Katihar the more polluted and Sirohi the cleaner of the two. On 494 days when both cities reported, Sirohi was cleaner on 381 of them; the average daily gap was 77 AQI points.
Seasonality & days
Both cities see their worst air in December on average. Katihar logged 3.1% Severe days and 26.9% Good-or-Satisfactory days; Sirohi was 0% Severe and 69.2% Good-or-Satisfactory. Longest clean-air streaks: Katihar 19 days, Sirohi 41 days.
Year-over-year progress
Katihar has improved by 188 AQI points (60.5%) from 2021 to 2024; Sirohi has improved by 4 AQI points (4.3%) over the same window. The worst recorded day for Katihar reached AQI 465 at Mirchaibari (BSPCB) on 2023-01-23; Sirohi hit AQI 335 at Vedhaynath Colony (RSPCB) on 2024-12-26.
Station-level disparity
Katihar spans 1 CPCB stations with a 0-point spread (min 185, max 185); Sirohi spans 1 stations with a 0-point spread (min 90, max 90).