Kolkata vs Munger
Side-by-side air quality comparison between Kolkata and Munger.
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, Kolkata averaged an AQI of 101 while Munger averaged 130 — a 29-point (29%) gap, with Munger the more polluted and Kolkata the cleaner of the two. On 640 days when both cities reported, Kolkata was cleaner on 382 of them; the average daily gap was 65 AQI points.
Seasonality & days
Both cities see their worst air in January on average. Kolkata logged 1% Severe days and 47.800000000000004% Good-or-Satisfactory days; Munger was 1.5% Severe and 22.9% Good-or-Satisfactory. Longest clean-air streaks: Kolkata 75 days, Munger 12 days.
Year-over-year progress
Kolkata has improved by 76 AQI points (42.9%) from 2017 to 2024; Munger has improved by 135 AQI points (50.9%) over the same window. The worst recorded day for Kolkata reached AQI 453 at Rabindra Bharati University (WBPCB) on 2019-01-23; Munger hit AQI 445 at Town Hall (BSPCB) on 2022-01-06.
Station-level disparity
Kolkata spans 7 CPCB stations with a 56-point spread (min 95, max 151); Munger spans 1 stations with a 0-point spread (min 180, max 180).