Hapur vs Nagapattinam
Side-by-side air quality comparison between Hapur 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, Hapur averaged an AQI of 142 while Nagapattinam averaged 60 — a 82-point (137%) gap, with Hapur the more polluted and Nagapattinam the cleaner of the two. On 46 days when both cities reported, Nagapattinam was cleaner on 43 of them; the average daily gap was 152 AQI points.
Seasonality & days
Both cities see their worst air in November on average. Hapur logged 1.9% Severe days and 36.2% Good-or-Satisfactory days; Nagapattinam was 0% Severe and 91.5% Good-or-Satisfactory. Longest clean-air streaks: Hapur 55 days, Nagapattinam 8 days.
Year-over-year progress
The worst recorded day for Hapur reached AQI 477 at Anand Vihar (UPPCB) on 2019-10-31; Nagapattinam hit AQI 113 at Velippalayam (TNPCB) on 2024-12-16.
Station-level disparity
Hapur spans 1 CPCB stations with a 0-point spread (min 159, max 159); Nagapattinam spans 1 stations with a 0-point spread (min 60, max 60).