Kolkata vs Pratapgarh
Side-by-side air quality comparison between Kolkata and Pratapgarh.
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 Pratapgarh averaged 93 — a 8-point (9%) gap, with Kolkata the more polluted and Pratapgarh the cleaner of the two. On 352 days when both cities reported, Pratapgarh was cleaner on 239 of them; the average daily gap was 52 AQI points.
Seasonality & days
Kolkata peaks in January, while Pratapgarh peaks in November. Kolkata logged 1% Severe days and 47.800000000000004% Good-or-Satisfactory days; Pratapgarh was 0% Severe and 59.9% Good-or-Satisfactory. Longest clean-air streaks: Kolkata 75 days, Pratapgarh 49 days.
Year-over-year progress
Kolkata has improved by 76 AQI points (42.9%) from 2017 to 2024; Pratapgarh has improved by 10 AQI points (9.7%) over the same window. The worst recorded day for Kolkata reached AQI 453 at Rabindra Bharati University (WBPCB) on 2019-01-23; Pratapgarh hit AQI 314 at Pragati Nagar (RSPCB) on 2023-12-25.
Station-level disparity
Kolkata spans 7 CPCB stations with a 56-point spread (min 95, max 151); Pratapgarh spans 1 stations with a 0-point spread (min 97, max 97).