Chapra vs Korba
Side-by-side air quality comparison between Chapra 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, Chapra averaged an AQI of 149 while Korba averaged 67 — a 82-point (122%) gap, with Chapra the more polluted and Korba the cleaner of the two. On 603 days when both cities reported, Korba was cleaner on 536 of them; the average daily gap was 107 AQI points.
Seasonality & days
Both cities see their worst air in January on average. Chapra logged 2.4% Severe days and 26.8% Good-or-Satisfactory days; Korba was 0% Severe and 78.8% Good-or-Satisfactory. Longest clean-air streaks: Chapra 14 days, Korba 83 days.
Year-over-year progress
Chapra has improved by 181 AQI points (54.8%) from 2021 to 2024; Korba has improved by 19 AQI points (22.1%) over the same window. The worst recorded day for Chapra reached AQI 452 at Darshan Nagar (BSPCB) on 2022-12-20; Korba hit AQI 313 at Urja Nagar (CECB) on 2023-01-04.
Station-level disparity
Chapra spans 1 CPCB stations with a 0-point spread (min 195, max 195); Korba spans 2 stations with a 13-point spread (min 62, max 75).