Dewās vs Nagapattinam
Side-by-side air quality comparison between Dewās 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, Dewās averaged an AQI of 98 while Nagapattinam averaged 60 — a 38-point (63%) gap, with Dewās the more polluted and Nagapattinam the cleaner of the two. On 46 days when both cities reported, Nagapattinam was cleaner on 44 of them; the average daily gap was 78 AQI points.
Seasonality & days
Dewās peaks in December, while Nagapattinam peaks in November. Dewās logged 0% Severe days and 47.7% Good-or-Satisfactory days; Nagapattinam was 0% Severe and 91.5% Good-or-Satisfactory. Longest clean-air streaks: Dewās 101 days, Nagapattinam 8 days.
Year-over-year progress
The worst recorded day for Dewās reached AQI 327 at Bhopal Chauraha (MPPCB) on 2023-07-01; Nagapattinam hit AQI 113 at Velippalayam (TNPCB) on 2024-12-16.
Station-level disparity
Dewās spans 1 CPCB stations with a 0-point spread (min 106, max 106); Nagapattinam spans 1 stations with a 0-point spread (min 60, max 60).