Charkhi Dādri vs Nagapattinam
Side-by-side air quality comparison between Charkhi Dādri and Nagapattinam.
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, Charkhi Dādri averaged an AQI of 145 while Nagapattinam averaged 60 — a 85-point (142%) gap, with Charkhi Dādri the more polluted and Nagapattinam the cleaner of the two. On 47 days when both cities reported, Nagapattinam was cleaner on 45 of them; the average daily gap was 167 AQI points.
Seasonality & days
Both cities see their worst air in November on average. Charkhi Dādri logged 0.7% Severe days and 28% Good-or-Satisfactory days; Nagapattinam was 0% Severe and 91.5% Good-or-Satisfactory. Longest clean-air streaks: Charkhi Dādri 48 days, Nagapattinam 8 days.
Year-over-year progress
The worst recorded day for Charkhi Dādri reached AQI 470 at Mini Secretariat Charkhi (HSPCB) on 2021-11-12; Nagapattinam hit AQI 113 at Velippalayam (TNPCB) on 2024-12-16.
Station-level disparity
Charkhi Dādri spans 1 CPCB stations with a 0-point spread (min 162, max 162); Nagapattinam spans 1 stations with a 0-point spread (min 60, max 60).