Perundurai vs Silchar
Side-by-side air quality comparison between Perundurai and Silchar.
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, Perundurai averaged an AQI of 75 while Silchar averaged 52 — a 23-point (44%) gap, with Perundurai the more polluted and Silchar the cleaner of the two. On 57 days when both cities reported, Silchar was cleaner on 43 of them; the average daily gap was 26 AQI points.
Seasonality & days
Perundurai peaks in November, while Silchar peaks in February. Perundurai logged 0% Severe days and 80.7% Good-or-Satisfactory days; Silchar was 0% Severe and 100% Good-or-Satisfactory. Longest clean-air streaks: Perundurai 13 days, Silchar 87 days.
Year-over-year progress
The worst recorded day for Perundurai reached AQI 153 at SIPCOT Industrial Park (TNPCB) on 2024-11-12; Silchar hit AQI 89 at Tarapur (PCBA) on 2023-04-29.
Station-level disparity
Perundurai spans 1 CPCB stations with a 0-point spread (min 75, max 75); Silchar spans 1 stations with a 0-point spread (min 47, max 47).