Katihar vs Sikar
Side-by-side air quality comparison between Katihar and Sikar.
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 Sikar averaged 139 — a 16-point (13%) gap, with Sikar the more polluted and Katihar the cleaner of the two. On 550 days when both cities reported, Katihar was cleaner on 282 of them; the average daily gap was 56 AQI points.
Seasonality & days
Katihar peaks in December, while Sikar peaks in January. Katihar logged 3.1% Severe days and 26.9% Good-or-Satisfactory days; Sikar was 0.2% Severe and 34% Good-or-Satisfactory. Longest clean-air streaks: Katihar 19 days, Sikar 32 days.
Year-over-year progress
Katihar has improved by 188 AQI points (60.5%) from 2021 to 2024; Sikar has worsened by 4 AQI points (3%) over the same window. The worst recorded day for Katihar reached AQI 465 at Mirchaibari (BSPCB) on 2023-01-23; Sikar hit AQI 452 at Radhakishan Pura (RSPCB) on 2023-11-16.
Station-level disparity
Katihar spans 1 CPCB stations with a 0-point spread (min 185, max 185); Sikar spans 1 stations with a 0-point spread (min 137, max 137).