Bhilai vs Katihar
Side-by-side air quality comparison between Bhilai 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, Bhilai averaged an AQI of 73 while Katihar averaged 123 — a 50-point (68%) gap, with Katihar the more polluted and Bhilai the cleaner of the two. On 699 days when both cities reported, Bhilai was cleaner on 592 of them; the average daily gap was 96 AQI points.
Seasonality & days
Bhilai peaks in November, while Katihar peaks in December. Bhilai logged 0% Severe days and 71.6% Good-or-Satisfactory days; Katihar was 3.1% Severe and 26.9% Good-or-Satisfactory. Longest clean-air streaks: Bhilai 119 days, Katihar 19 days.
Year-over-year progress
Bhilai has worsened by 8 AQI points (12.3%) from 2021 to 2024; Katihar has improved by 188 AQI points (60.5%) over the same window. The worst recorded day for Bhilai reached AQI 288 at Hathkhoj (CECB) on 2023-12-26; Katihar hit AQI 465 at Mirchaibari (BSPCB) on 2023-01-23.
Station-level disparity
Bhilai spans 3 CPCB stations with a 25-point spread (min 59, max 84); Katihar spans 1 stations with a 0-point spread (min 185, max 185).