Kārwār vs Kolkata
Side-by-side air quality comparison between Kārwār 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, Kārwār averaged an AQI of 55 while Kolkata averaged 101 — a 46-point (84%) gap, with Kolkata the more polluted and Kārwār the cleaner of the two. On 263 days when both cities reported, Kārwār was cleaner on 260 of them; the average daily gap was 82 AQI points.
Seasonality & days
Both cities see their worst air in January on average. Kārwār logged 0% Severe days and 92.7% Good-or-Satisfactory days; Kolkata was 1% Severe and 47.800000000000004% Good-or-Satisfactory. Longest clean-air streaks: Kārwār 34 days, Kolkata 75 days.
Year-over-year progress
Kārwār has improved by 72 AQI points (56.7%) from 2023 to 2024; Kolkata has improved by 76 AQI points (42.9%) over the same window. The worst recorded day for Kārwār reached AQI 222 at KHB Colony (KSPCB) on 2023-12-21; Kolkata hit AQI 453 at Rabindra Bharati University (WBPCB) on 2019-01-23.
Station-level disparity
Kārwār spans 1 CPCB stations with a 0-point spread (min 58, max 58); Kolkata spans 7 stations with a 56-point spread (min 95, max 151).