Kolkata vs Sawāi Mādhopur
Side-by-side air quality comparison between Kolkata and Sawāi Mādhopur.
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 Sawāi Mādhopur averaged 119 — a 18-point (18%) gap, with Sawāi Mādhopur the more polluted and Kolkata the cleaner of the two. On 333 days when both cities reported, Sawāi Mādhopur was cleaner on 173 of them; the average daily gap was 54 AQI points.
Seasonality & days
Kolkata peaks in January, while Sawāi Mādhopur peaks in November. Kolkata logged 1% Severe days and 47.800000000000004% Good-or-Satisfactory days; Sawāi Mādhopur was 0% Severe and 44.900000000000006% Good-or-Satisfactory. Longest clean-air streaks: Kolkata 75 days, Sawāi Mādhopur 21 days.
Year-over-year progress
Kolkata has improved by 76 AQI points (42.9%) from 2017 to 2024; Sawāi Mādhopur has worsened by 7 AQI points (6.3%) over the same window. The worst recorded day for Kolkata reached AQI 453 at Rabindra Bharati University (WBPCB) on 2019-01-23; Sawāi Mādhopur hit AQI 328 at Sahu Nagar Sawai (RSPCB) on 2024-06-07.
Station-level disparity
Kolkata spans 7 CPCB stations with a 56-point spread (min 95, max 151); Sawāi Mādhopur spans 1 stations with a 0-point spread (min 116, max 116).