Ghaziabad vs Puducherry
Side-by-side air quality comparison between Ghaziabad and Puducherry.
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, Ghaziabad averaged an AQI of 177 while Puducherry averaged 55 — a 122-point (222%) gap, with Ghaziabad the more polluted and Puducherry the cleaner of the two. On 1023 days when both cities reported, Puducherry was cleaner on 1004 of them; the average daily gap was 182 AQI points.
Seasonality & days
Ghaziabad peaks in November, while Puducherry peaks in December. Ghaziabad logged 12.2% Severe days and 13.700000000000001% Good-or-Satisfactory days; Puducherry was 0% Severe and 95.4% Good-or-Satisfactory. Longest clean-air streaks: Ghaziabad 19 days, Puducherry 117 days.
Year-over-year progress
Ghaziabad has improved by 115 AQI points (39.4%) from 2017 to 2024; Puducherry has worsened by 1 AQI points (1.9%) over the same window. The worst recorded day for Ghaziabad reached AQI 500 at Vasundhara (UPPCB) on 2017-12-21; Puducherry hit AQI 274 at Jawahar Nagar (PPCC) on 2022-10-25.
Station-level disparity
Ghaziabad spans 4 CPCB stations with a 30-point spread (min 198, max 228); Puducherry spans 1 stations with a 0-point spread (min 56, max 56).