Bhubaneswar vs Siliguri
Side-by-side air quality comparison between Bhubaneswar and Siliguri.
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 | Siliguri |
|---|---|---|
| PM2.5(µg/m³) | 28.80 | 77.80 |
| PM10(µg/m³) | 32.60 | 98.30 |
| NO₂(µg/m³) | 11.40 | 11.30 |
| SO₂(µg/m³) | 10.00 | 6.80 |
| O₃(µg/m³) | 84.00 | 115.00 |
| CO(µg/m³) | 432.00 | 523.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Bhubaneswar averaged an AQI of 115 while Siliguri averaged 81 — a 34-point (42%) gap, with Bhubaneswar the more polluted and Siliguri the cleaner of the two. On 352 days when both cities reported, Siliguri was cleaner on 270 of them; the average daily gap was 57 AQI points.
Seasonality & days
Bhubaneswar peaks in January, while Siliguri peaks in February. Bhubaneswar logged 0% Severe days and 48.8% Good-or-Satisfactory days; Siliguri was 0.1% Severe and 61.8% Good-or-Satisfactory. Longest clean-air streaks: Bhubaneswar 27 days, Siliguri 180 days.
Year-over-year progress
The worst recorded day for Bhubaneswar reached AQI 341 at Lingraj Mandir (OSPCB) on 2024-01-09; Siliguri hit AQI 415 at Ward-32 Bapupara (WBPCB) on 2018-02-08.
Station-level disparity
Bhubaneswar spans 2 CPCB stations with a 2-point spread (min 114, max 116); Siliguri spans 1 stations with a 0-point spread (min 107, max 107).
Verdict
🏆 Bhubaneswar has better air quality with an AQI of 48 compared to Siliguri's 160. That's a significant difference of 112 points.