Guwahati vs Kalyān
Side-by-side air quality comparison between Guwahati and Kalyān.
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 Kalyān averaged 95 — a 28-point (29%) gap, with Guwahati the more polluted and Kalyān the cleaner of the two. On 1401 days when both cities reported, Kalyān was cleaner on 780 of them; the average daily gap was 53 AQI points.
Seasonality & days
Both cities see their worst air in January on average. Guwahati logged 0.1% Severe days and 44.9% Good-or-Satisfactory days; Kalyān was 0.1% Severe and 46.4% Good-or-Satisfactory. Longest clean-air streaks: Guwahati 105 days, Kalyān 78 days.
Year-over-year progress
Guwahati has worsened by 14 AQI points (12.8%) from 2019 to 2024; Kalyān has improved by 4 AQI points (4%) over the same window. The worst recorded day for Guwahati reached AQI 420 at Railway Colony (PCBA) on 2023-01-15; Kalyān hit AQI 414 at Khadakpada (MPCB) on 2022-01-24.
Station-level disparity
Guwahati spans 4 CPCB stations with a 26-point spread (min 118, max 144); Kalyān spans 2 stations with a 18-point spread (min 98, max 116).