Bilaspur vs Shillong
Side-by-side air quality comparison between Bilaspur and Shillong.
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, Bilaspur averaged an AQI of 61 while Shillong averaged 75 — a 14-point (23%) gap, with Shillong the more polluted and Bilaspur the cleaner of the two. On 528 days when both cities reported, Shillong was cleaner on 398 of them; the average daily gap was 38 AQI points.
Seasonality & days
Bilaspur peaks in December, while Shillong peaks in February. Bilaspur logged 0% Severe days and 88% Good-or-Satisfactory days; Shillong was 0% Severe and 92% Good-or-Satisfactory. Longest clean-air streaks: Bilaspur 66 days, Shillong 113 days.
Year-over-year progress
Bilaspur has improved by 22 AQI points (26.5%) from 2021 to 2024; Shillong has worsened by 41 AQI points (120.6%) over the same window. The worst recorded day for Bilaspur reached AQI 259 at Mangala (NTPC) on 2023-03-09; Shillong hit AQI 212 at Lumpyngngad Shillong (PCB) on 2024-02-19.
Station-level disparity
Bilaspur spans 1 CPCB stations with a 0-point spread (min 69, max 69); Shillong spans 2 stations with a 2-point spread (min 42, max 44).