Bilaspur vs Kalyān
Side-by-side air quality comparison between Bilaspur 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, Bilaspur averaged an AQI of 61 while Kalyān averaged 95 — a 34-point (56%) gap, with Kalyān the more polluted and Bilaspur the cleaner of the two. On 693 days when both cities reported, Bilaspur was cleaner on 574 of them; the average daily gap was 61 AQI points.
Seasonality & days
Bilaspur peaks in December, while Kalyān peaks in January. Bilaspur logged 0% Severe days and 88% Good-or-Satisfactory days; Kalyān was 0.1% Severe and 46.4% Good-or-Satisfactory. Longest clean-air streaks: Bilaspur 66 days, Kalyān 78 days.
Year-over-year progress
Bilaspur has improved by 22 AQI points (26.5%) from 2021 to 2024; Kalyān has improved by 4 AQI points (4%) over the same window. The worst recorded day for Bilaspur reached AQI 259 at Mangala (NTPC) on 2023-03-09; Kalyān hit AQI 414 at Khadakpada (MPCB) on 2022-01-24.
Station-level disparity
Bilaspur spans 1 CPCB stations with a 0-point spread (min 69, max 69); Kalyān spans 2 stations with a 18-point spread (min 98, max 116).