Nagapattinam vs Saharsa
Side-by-side air quality comparison between Nagapattinam and Saharsa.
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, Nagapattinam averaged an AQI of 60 while Saharsa averaged 139 — a 79-point (132%) gap, with Saharsa the more polluted and Nagapattinam the cleaner of the two. On 43 days when both cities reported, Nagapattinam was cleaner on 40 of them; the average daily gap was 107 AQI points.
Seasonality & days
Nagapattinam peaks in November, while Saharsa peaks in January. Nagapattinam logged 0% Severe days and 91.5% Good-or-Satisfactory days; Saharsa was 1.4% Severe and 28.4% Good-or-Satisfactory. Longest clean-air streaks: Nagapattinam 8 days, Saharsa 20 days.
Year-over-year progress
The worst recorded day for Nagapattinam reached AQI 113 at Velippalayam (TNPCB) on 2024-12-16; Saharsa hit AQI 454 at Police Line (BSPCB) on 2022-12-13.
Station-level disparity
Nagapattinam spans 1 CPCB stations with a 0-point spread (min 60, max 60); Saharsa spans 1 stations with a 0-point spread (min 188, max 188).