Gummidipoondi vs Nārnaul
Side-by-side air quality comparison between Gummidipoondi and Nārnaul.
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, Gummidipoondi averaged an AQI of 107 while Nārnaul averaged 94 — a 13-point (14%) gap, with Gummidipoondi the more polluted and Nārnaul the cleaner of the two. On 891 days when both cities reported, Gummidipoondi was cleaner on 524 of them; the average daily gap was 61 AQI points.
Seasonality & days
Both cities see their worst air in November on average. Gummidipoondi logged 0% Severe days and 59.1% Good-or-Satisfactory days; Nārnaul was 0.1% Severe and 40.8% Good-or-Satisfactory. Longest clean-air streaks: Gummidipoondi 49 days, Nārnaul 63 days.
Year-over-year progress
Gummidipoondi has worsened by 8 AQI points (8.1%) from 2021 to 2024; Nārnaul has improved by 37 AQI points (28.2%) over the same window. The worst recorded day for Gummidipoondi reached AQI 326 at Anthoni Pillai Nagar (TNPCB) on 2023-12-22; Nārnaul hit AQI 435 at Shastri Nagar (HSPCB) on 2023-11-16.
Station-level disparity
Gummidipoondi spans 1 CPCB stations with a 0-point spread (min 99, max 99); Nārnaul spans 1 stations with a 0-point spread (min 130, max 130).