Chandrapur vs Kolkata
Side-by-side air quality comparison between Chandrapur and Kolkata.
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 2022, Chandrapur averaged an AQI of 123 while Kolkata averaged 101 — a 22-point (22%) gap, with Chandrapur the more polluted and Kolkata the cleaner of the two. On 1333 days when both cities reported, Chandrapur was cleaner on 959 of them; the average daily gap was 82 AQI points.
Seasonality & days
Chandrapur peaks in March, while Kolkata peaks in January. Chandrapur logged 0.3% Severe days and 58.800000000000004% Good-or-Satisfactory days; Kolkata was 1% Severe and 47.800000000000004% Good-or-Satisfactory. Longest clean-air streaks: Chandrapur 37 days, Kolkata 75 days.
Year-over-year progress
Chandrapur has improved by 1 AQI points (0.8%) from 2017 to 2022; Kolkata has improved by 76 AQI points (42.9%) over the same window. The worst recorded day for Chandrapur reached AQI 500 at MIDC Khutala (MPCB) on 2017-11-14; Kolkata hit AQI 453 at Rabindra Bharati University (WBPCB) on 2019-01-23.
Station-level disparity
Chandrapur spans 1 CPCB stations with a 0-point spread (min 100, max 100); Kolkata spans 7 stations with a 56-point spread (min 95, max 151).