Guwahati vs Perundurai
Side-by-side air quality comparison between Guwahati and Perundurai.
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, Guwahati averaged an AQI of 123 while Perundurai averaged 75 — a 48-point (64%) gap, with Guwahati the more polluted and Perundurai the cleaner of the two. On 57 days when both cities reported, Perundurai was cleaner on 54 of them; the average daily gap was 110 AQI points.
Seasonality & days
Guwahati peaks in January, while Perundurai peaks in November. Guwahati logged 0.1% Severe days and 44.9% Good-or-Satisfactory days; Perundurai was 0% Severe and 80.7% Good-or-Satisfactory. Longest clean-air streaks: Guwahati 105 days, Perundurai 13 days.
Year-over-year progress
The worst recorded day for Guwahati reached AQI 420 at Railway Colony (PCBA) on 2023-01-15; Perundurai hit AQI 153 at SIPCOT Industrial Park (TNPCB) on 2024-11-12.
Station-level disparity
Guwahati spans 4 CPCB stations with a 26-point spread (min 118, max 144); Perundurai spans 1 stations with a 0-point spread (min 75, max 75).