Koppal vs Silchar
Side-by-side air quality comparison between Koppal 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 | Koppal | Silchar |
|---|---|---|
| PM2.5(µg/m³) | 5.90 | 35.20 |
| PM10(µg/m³) | 9.10 | 45.10 |
| NO₂(µg/m³) | 6.10 | 10.60 |
| SO₂(µg/m³) | 1.30 | 6.70 |
| O₃(µg/m³) | 38.00 | 100.00 |
| CO(µg/m³) | 124.00 | 270.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Koppal averaged an AQI of 65 while Silchar averaged 52 — a 13-point (25%) gap, with Koppal the more polluted and Silchar the cleaner of the two. On 547 days when both cities reported, Silchar was cleaner on 366 of them; the average daily gap was 29 AQI points.
Seasonality & days
Both cities see their worst air in February on average. Koppal logged 0% Severe days and 85.5% Good-or-Satisfactory days; Silchar was 0% Severe and 100% Good-or-Satisfactory. Longest clean-air streaks: Koppal 47 days, Silchar 87 days.
Year-over-year progress
Koppal has improved by 31 AQI points (32.3%) from 2020 to 2024; Silchar has worsened by 11 AQI points (26.8%) over the same window. The worst recorded day for Koppal reached AQI 384 at Diwator Nagar (KSPCB) on 2023-02-16; Silchar hit AQI 89 at Tarapur (PCBA) on 2023-04-29.
Station-level disparity
Koppal spans 1 CPCB stations with a 0-point spread (min 70, max 70); Silchar spans 1 stations with a 0-point spread (min 47, max 47).
Verdict
🏆 Koppal has better air quality with an AQI of 10 compared to Silchar's 59.