Begusarai vs Silchar
Side-by-side air quality comparison between Begusarai 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 | Begusarai | Silchar |
|---|---|---|
| PM2.5(µg/m³) | 95.90 | 53.00 |
| PM10(µg/m³) | 109.00 | 63.80 |
| NO₂(µg/m³) | 51.40 | 13.90 |
| SO₂(µg/m³) | 17.30 | 7.50 |
| O₃(µg/m³) | 29.00 | 95.00 |
| CO(µg/m³) | 672.00 | 276.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Begusarai averaged an AQI of 128 while Silchar averaged 52 — a 76-point (146%) gap, with Begusarai the more polluted and Silchar the cleaner of the two. On 324 days when both cities reported, Silchar was cleaner on 295 of them; the average daily gap was 165 AQI points.
Seasonality & days
Begusarai peaks in January, while Silchar peaks in February. Begusarai logged 8.7% Severe days and 20.8% Good-or-Satisfactory days; Silchar was 0% Severe and 100% Good-or-Satisfactory. Longest clean-air streaks: Begusarai 14 days, Silchar 87 days.
Year-over-year progress
Begusarai has improved by 137 AQI points (51.7%) from 2023 to 2024; Silchar has worsened by 11 AQI points (26.8%) over the same window. The worst recorded day for Begusarai reached AQI 469 at Lohiyanagar (BSPCB) on 2023-01-14; Silchar hit AQI 89 at Tarapur (PCBA) on 2023-04-29.
Station-level disparity
Begusarai spans 1 CPCB stations with a 0-point spread (min 213, max 213); 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 Begusarai's 220. That's a significant difference of 131 points.