Kolkata vs Vijayawada
Side-by-side air quality comparison between Kolkata and Vijayawada.
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 Vijayawada averaged 64 — a 37-point (58%) gap, with Kolkata the more polluted and Vijayawada the cleaner of the two. On 727 days when both cities reported, Vijayawada was cleaner on 570 of them; the average daily gap was 81 AQI points.
Seasonality & days
Kolkata peaks in January, while Vijayawada peaks in February. Kolkata logged 1% Severe days and 47.800000000000004% Good-or-Satisfactory days; Vijayawada was 0.2% Severe and 86.8% Good-or-Satisfactory. Longest clean-air streaks: Kolkata 75 days, Vijayawada 72 days.
Year-over-year progress
Kolkata has improved by 76 AQI points (42.9%) from 2017 to 2024; Vijayawada has improved by 21 AQI points (24.7%) over the same window. The worst recorded day for Kolkata reached AQI 453 at Rabindra Bharati University (WBPCB) on 2019-01-23; Vijayawada hit AQI 500 at Kanuru (APPCB) on 2023-04-04.
Station-level disparity
Kolkata spans 7 CPCB stations with a 56-point spread (min 95, max 151); Vijayawada spans 5 stations with a 9-point spread (min 65, max 74).