Katihar vs Korba
Side-by-side air quality comparison between Katihar and Korba.
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 Korba averaged 67 — a 56-point (84%) gap, with Katihar the more polluted and Korba the cleaner of the two. On 613 days when both cities reported, Korba was cleaner on 524 of them; the average daily gap was 92 AQI points.
Seasonality & days
Katihar peaks in December, while Korba peaks in January. Katihar logged 3.1% Severe days and 26.9% Good-or-Satisfactory days; Korba was 0% Severe and 78.8% Good-or-Satisfactory. Longest clean-air streaks: Katihar 19 days, Korba 83 days.
Year-over-year progress
Katihar has improved by 188 AQI points (60.5%) from 2021 to 2024; Korba has improved by 19 AQI points (22.1%) over the same window. The worst recorded day for Katihar reached AQI 465 at Mirchaibari (BSPCB) on 2023-01-23; Korba hit AQI 313 at Urja Nagar (CECB) on 2023-01-04.
Station-level disparity
Katihar spans 1 CPCB stations with a 0-point spread (min 185, max 185); Korba spans 2 stations with a 13-point spread (min 62, max 75).