Bhilai vs Silchar
Side-by-side air quality comparison between Bhilai 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 | Bhilai | Silchar |
|---|---|---|
| PM2.5(µg/m³) | 44.90 | 53.00 |
| PM10(µg/m³) | 52.30 | 63.80 |
| NO₂(µg/m³) | 45.10 | 13.90 |
| SO₂(µg/m³) | 64.50 | 7.50 |
| O₃(µg/m³) | 35.00 | 95.00 |
| CO(µg/m³) | 664.00 | 276.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Bhilai averaged an AQI of 73 while Silchar averaged 52 — a 21-point (40%) gap, with Bhilai the more polluted and Silchar the cleaner of the two. On 691 days when both cities reported, Silchar was cleaner on 558 of them; the average daily gap was 43 AQI points.
Seasonality & days
Bhilai peaks in November, while Silchar peaks in February. Bhilai logged 0% Severe days and 71.6% Good-or-Satisfactory days; Silchar was 0% Severe and 100% Good-or-Satisfactory. Longest clean-air streaks: Bhilai 119 days, Silchar 87 days.
Year-over-year progress
Bhilai has worsened by 8 AQI points (12.3%) from 2021 to 2024; Silchar has worsened by 11 AQI points (26.8%) over the same window. The worst recorded day for Bhilai reached AQI 288 at Hathkhoj (CECB) on 2023-12-26; Silchar hit AQI 89 at Tarapur (PCBA) on 2023-04-29.
Station-level disparity
Bhilai spans 3 CPCB stations with a 25-point spread (min 59, max 84); Silchar spans 1 stations with a 0-point spread (min 47, max 47).
Verdict
🏆 Bhilai has better air quality with an AQI of 75 compared to Silchar's 89.