Kolkata vs Tirumala
Side-by-side air quality comparison between Kolkata and Tirumala.
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 Tirumala averaged 89 — a 12-point (13%) gap, with Kolkata the more polluted and Tirumala the cleaner of the two.
Seasonality & days
Kolkata peaks in January, while Tirumala peaks in November. Kolkata logged 1% Severe days and 47.800000000000004% Good-or-Satisfactory days; Tirumala was 0% Severe and 65.8% Good-or-Satisfactory. Longest clean-air streaks: Kolkata 75 days, Tirumala 39 days.
Year-over-year progress
The worst recorded day for Kolkata reached AQI 453 at Rabindra Bharati University (WBPCB) on 2019-01-23; Tirumala hit AQI 173 at Toll Gate (APPCB) on 2016-12-30.
Station-level disparity
Kolkata spans 7 CPCB stations with a 56-point spread (min 95, max 151); Tirumala spans 1 stations with a 0-point spread (min 89, max 89).