Bareilly vs Kolkata
Side-by-side air quality comparison between Bareilly 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, Bareilly averaged an AQI of 61 while Kolkata averaged 101 — a 40-point (66%) gap, with Kolkata the more polluted and Bareilly the cleaner of the two. On 566 days when both cities reported, Bareilly was cleaner on 424 of them; the average daily gap was 65 AQI points.
Seasonality & days
Bareilly peaks in November, while Kolkata peaks in January. Bareilly logged 0% Severe days and 73.1% Good-or-Satisfactory days; Kolkata was 1% Severe and 47.800000000000004% Good-or-Satisfactory. Longest clean-air streaks: Bareilly 51 days, Kolkata 75 days.
Year-over-year progress
Bareilly has improved by 50 AQI points (45%) from 2022 to 2024; Kolkata has improved by 76 AQI points (42.9%) over the same window. The worst recorded day for Bareilly reached AQI 292 at Rajendra Nagar (UPPCB) on 2022-11-03; Kolkata hit AQI 453 at Rabindra Bharati University (WBPCB) on 2019-01-23.
Station-level disparity
Bareilly spans 2 CPCB stations with a 12-point spread (min 71, max 83); Kolkata spans 7 stations with a 56-point spread (min 95, max 151).