Bāgalkot vs Kolkata
Side-by-side air quality comparison between Bāgalkot 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 2024, Bāgalkot averaged an AQI of 47 while Kolkata averaged 101 — a 54-point (115%) gap, with Kolkata the more polluted and Bāgalkot the cleaner of the two. On 1295 days when both cities reported, Bāgalkot was cleaner on 1189 of them; the average daily gap was 102 AQI points.
Seasonality & days
Both cities see their worst air in January on average. Bāgalkot logged 0% Severe days and 96.3% Good-or-Satisfactory days; Kolkata was 1% Severe and 47.800000000000004% Good-or-Satisfactory. Longest clean-air streaks: Bāgalkot 109 days, Kolkata 75 days.
Year-over-year progress
Bāgalkot has improved by 26 AQI points (35.6%) from 2020 to 2024; Kolkata has improved by 76 AQI points (42.9%) over the same window. The worst recorded day for Bāgalkot reached AQI 242 at Vidayagiri (KSPCB) on 2020-11-01; Kolkata hit AQI 453 at Rabindra Bharati University (WBPCB) on 2019-01-23.
Station-level disparity
Bāgalkot spans 1 CPCB stations with a 0-point spread (min 50, max 50); Kolkata spans 7 stations with a 56-point spread (min 95, max 151).