Kadapa vs Kolkata
Side-by-side air quality comparison between Kadapa 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, Kadapa averaged an AQI of 62 while Kolkata averaged 101 — a 39-point (63%) gap, with Kolkata the more polluted and Kadapa the cleaner of the two. On 244 days when both cities reported, Kadapa was cleaner on 215 of them; the average daily gap was 80 AQI points.
Seasonality & days
Kadapa peaks in February, while Kolkata peaks in January. Kadapa logged 0% Severe days and 87.80000000000001% Good-or-Satisfactory days; Kolkata was 1% Severe and 47.800000000000004% Good-or-Satisfactory. Longest clean-air streaks: Kadapa 72 days, Kolkata 75 days.
Year-over-year progress
Kadapa has improved by 6 AQI points (8.8%) from 2023 to 2024; Kolkata has improved by 76 AQI points (42.9%) over the same window. The worst recorded day for Kadapa reached AQI 260 at Yerramukkapalli (APPCB) on 2024-12-11; Kolkata hit AQI 453 at Rabindra Bharati University (WBPCB) on 2019-01-23.
Station-level disparity
Kadapa spans 1 CPCB stations with a 0-point spread (min 65, max 65); Kolkata spans 7 stations with a 56-point spread (min 95, max 151).