Bhagalpur vs Silchar
Side-by-side air quality comparison between Bhagalpur and Silchar.
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 | Bhagalpur | Silchar |
|---|---|---|
| PM2.5(µg/m³) | 60.80 | 53.00 |
| PM10(µg/m³) | 65.00 | 63.80 |
| NO₂(µg/m³) | 20.50 | 13.90 |
| SO₂(µg/m³) | 25.00 | 7.50 |
| O₃(µg/m³) | 81.00 | 95.00 |
| CO(µg/m³) | 653.00 | 276.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Bhagalpur averaged an AQI of 164 while Silchar averaged 52 — a 112-point (215%) gap, with Bhagalpur the more polluted and Silchar the cleaner of the two. On 669 days when both cities reported, Silchar was cleaner on 656 of them; the average daily gap was 137 AQI points.
Seasonality & days
Bhagalpur peaks in January, while Silchar peaks in February. Bhagalpur logged 1.9% Severe days and 19.9% Good-or-Satisfactory days; Silchar was 0% Severe and 100% Good-or-Satisfactory. Longest clean-air streaks: Bhagalpur 20 days, Silchar 87 days.
Year-over-year progress
Bhagalpur has improved by 123 AQI points (42.9%) from 2021 to 2024; Silchar has worsened by 11 AQI points (26.8%) over the same window. The worst recorded day for Bhagalpur reached AQI 451 at Mayaganj (BSPCB) on 2022-12-30; Silchar hit AQI 89 at Tarapur (PCBA) on 2023-04-29.
Station-level disparity
Bhagalpur spans 2 CPCB stations with a 26-point spread (min 170, max 196); Silchar spans 1 stations with a 0-point spread (min 47, max 47).
Verdict
🏆 Silchar has better air quality with an AQI of 89 compared to Bhagalpur's 104.