Chandigarh vs Howrah
Side-by-side air quality comparison between Chandigarh and Howrah.
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, Chandigarh averaged an AQI of 153 while Howrah averaged 126 — a 27-point (21%) gap, with Chandigarh the more polluted and Howrah the cleaner of the two. On 1582 days when both cities reported, Chandigarh was cleaner on 871 of them; the average daily gap was 80 AQI points.
Seasonality & days
Chandigarh peaks in January, while Howrah peaks in December. Chandigarh logged 0.3% Severe days and 39.9% Good-or-Satisfactory days; Howrah was 0.7% Severe and 48.7% Good-or-Satisfactory. Longest clean-air streaks: Chandigarh 92 days, Howrah 120 days.
Year-over-year progress
Chandigarh has worsened by 27 AQI points (21.4%) from 2019 to 2024; Howrah has improved by 32 AQI points (20.3%) over the same window. The worst recorded day for Chandigarh reached AQI 452 at Sector-53 (CPCC) on 2022-11-09; Howrah hit AQI 500 at Ghusuri (WBPCB) on 2017-04-15.
Station-level disparity
Chandigarh spans 3 CPCB stations with a 43-point spread (min 107, max 150); Howrah spans 5 stations with a 116-point spread (min 111, max 227).