Perundurai vs Sasaram
Side-by-side air quality comparison between Perundurai and Sasaram.
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 Sasaram averaged 109 — a 34-point (45%) gap, with Sasaram the more polluted and Perundurai the cleaner of the two. On 57 days when both cities reported, Perundurai was cleaner on 55 of them; the average daily gap was 103 AQI points.
Seasonality & days
Perundurai peaks in November, while Sasaram peaks in January. Perundurai logged 0% Severe days and 80.7% Good-or-Satisfactory days; Sasaram was 0.1% Severe and 37% Good-or-Satisfactory. Longest clean-air streaks: Perundurai 13 days, Sasaram 27 days.
Year-over-year progress
The worst recorded day for Perundurai reached AQI 153 at SIPCOT Industrial Park (TNPCB) on 2024-11-12; Sasaram hit AQI 401 at Dada Peer (BSPCB) on 2021-11-28.
Station-level disparity
Perundurai spans 1 CPCB stations with a 0-point spread (min 75, max 75); Sasaram spans 1 stations with a 0-point spread (min 148, max 148).