Shillong vs Sonipat
Side-by-side air quality comparison between Shillong and Sonipat.
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, Shillong averaged an AQI of 75 while Sonipat averaged 134 — a 59-point (79%) gap, with Sonipat the more polluted and Shillong the cleaner of the two. On 829 days when both cities reported, Shillong was cleaner on 777 of them; the average daily gap was 112 AQI points.
Seasonality & days
Shillong peaks in February, while Sonipat peaks in November. Shillong logged 0% Severe days and 92% Good-or-Satisfactory days; Sonipat was 0.8% Severe and 26.5% Good-or-Satisfactory. Longest clean-air streaks: Shillong 113 days, Sonipat 21 days.
Year-over-year progress
Shillong has worsened by 41 AQI points (120.6%) from 2019 to 2024; Sonipat has improved by 220 AQI points (62.1%) over the same window. The worst recorded day for Shillong reached AQI 212 at Lumpyngngad Shillong (PCB) on 2024-02-19; Sonipat hit AQI 455 at Murthal (HSPCB) on 2023-11-03.
Station-level disparity
Shillong spans 2 CPCB stations with a 2-point spread (min 42, max 44); Sonipat spans 1 stations with a 0-point spread (min 162, max 162).