Howrah vs Tirumala
Side-by-side air quality comparison between Howrah 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, Howrah averaged an AQI of 126 while Tirumala averaged 89 — a 37-point (42%) gap, with Howrah the more polluted and Tirumala the cleaner of the two. On 43 days when both cities reported, Tirumala was cleaner on 31 of them; the average daily gap was 81 AQI points.
Seasonality & days
Howrah peaks in December, while Tirumala peaks in November. Howrah logged 0.7% Severe days and 48.7% Good-or-Satisfactory days; Tirumala was 0% Severe and 65.8% Good-or-Satisfactory. Longest clean-air streaks: Howrah 120 days, Tirumala 39 days.
Year-over-year progress
The worst recorded day for Howrah reached AQI 500 at Ghusuri (WBPCB) on 2017-04-15; Tirumala hit AQI 173 at Toll Gate (APPCB) on 2016-12-30.
Station-level disparity
Howrah spans 5 CPCB stations with a 116-point spread (min 111, max 227); Tirumala spans 1 stations with a 0-point spread (min 89, max 89).