Korba vs Silchar
Side-by-side air quality comparison between Korba 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 | Korba | Silchar |
|---|---|---|
| PM2.5(µg/m³) | 48.10 | 35.20 |
| PM10(µg/m³) | 56.60 | 45.10 |
| NO₂(µg/m³) | 15.00 | 10.60 |
| SO₂(µg/m³) | 20.40 | 6.70 |
| O₃(µg/m³) | 86.00 | 100.00 |
| CO(µg/m³) | 325.00 | 270.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Korba averaged an AQI of 67 while Silchar averaged 52 — a 15-point (29%) gap, with Korba the more polluted and Silchar the cleaner of the two. On 671 days when both cities reported, Silchar was cleaner on 531 of them; the average daily gap was 36 AQI points.
Seasonality & days
Korba peaks in January, while Silchar peaks in February. Korba logged 0% Severe days and 78.8% Good-or-Satisfactory days; Silchar was 0% Severe and 100% Good-or-Satisfactory. Longest clean-air streaks: Korba 83 days, Silchar 87 days.
Year-over-year progress
Korba has improved by 19 AQI points (22.1%) from 2022 to 2024; Silchar has worsened by 11 AQI points (26.8%) over the same window. The worst recorded day for Korba reached AQI 313 at Urja Nagar (CECB) on 2023-01-04; Silchar hit AQI 89 at Tarapur (PCBA) on 2023-04-29.
Station-level disparity
Korba spans 2 CPCB stations with a 13-point spread (min 62, max 75); Silchar spans 1 stations with a 0-point spread (min 47, max 47).
Verdict
🏆 Silchar has better air quality with an AQI of 59 compared to Korba's 81.