Bhubaneswar vs Kalyān
Side-by-side air quality comparison between Bhubaneswar 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
Pollutant-level comparison (PM2.5, PM10, O3, NO2, SO2, CO)▾
| Pollutant | Bhubaneswar | Kalyān |
|---|---|---|
| PM2.5(µg/m³) | 28.80 | 23.70 |
| PM10(µg/m³) | 32.60 | 40.90 |
| NO₂(µg/m³) | 11.40 | 20.60 |
| SO₂(µg/m³) | 10.00 | 23.00 |
| O₃(µg/m³) | 84.00 | 23.00 |
| CO(µg/m³) | 432.00 | 186.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Bhubaneswar averaged an AQI of 115 while Kalyān averaged 95 — a 20-point (21%) gap, with Bhubaneswar the more polluted and Kalyān the cleaner of the two. On 357 days when both cities reported, Kalyān was cleaner on 193 of them; the average daily gap was 52 AQI points.
Seasonality & days
Both cities see their worst air in January on average. Bhubaneswar logged 0% Severe days and 48.8% Good-or-Satisfactory days; Kalyān was 0.1% Severe and 46.4% Good-or-Satisfactory. Longest clean-air streaks: Bhubaneswar 27 days, Kalyān 78 days.
Year-over-year progress
The worst recorded day for Bhubaneswar reached AQI 341 at Lingraj Mandir (OSPCB) on 2024-01-09; Kalyān hit AQI 414 at Khadakpada (MPCB) on 2022-01-24.
Station-level disparity
Bhubaneswar spans 2 CPCB stations with a 2-point spread (min 114, max 116); Kalyān spans 2 stations with a 18-point spread (min 98, max 116).
Verdict
🏆 Kalyān has better air quality with an AQI of 41 compared to Bhubaneswar's 48.