Karnal vs Silchar
Side-by-side air quality comparison between Karnal 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 | Karnal | Silchar |
|---|---|---|
| PM2.5(µg/m³) | 110.80 | 53.00 |
| PM10(µg/m³) | 258.90 | 63.80 |
| NO₂(µg/m³) | 55.20 | 13.90 |
| SO₂(µg/m³) | 12.50 | 7.50 |
| O₃(µg/m³) | 10.00 | 95.00 |
| CO(µg/m³) | 1037.00 | 276.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Karnal averaged an AQI of 102 while Silchar averaged 52 — a 50-point (96%) gap, with Karnal the more polluted and Silchar the cleaner of the two. On 650 days when both cities reported, Silchar was cleaner on 559 of them; the average daily gap was 60 AQI points.
Seasonality & days
Karnal peaks in November, while Silchar peaks in February. Karnal logged 0.1% Severe days and 46.2% Good-or-Satisfactory days; Silchar was 0% Severe and 100% Good-or-Satisfactory. Longest clean-air streaks: Karnal 53 days, Silchar 87 days.
Year-over-year progress
Karnal has improved by 71 AQI points (41%) from 2019 to 2024; Silchar has worsened by 11 AQI points (26.8%) over the same window. The worst recorded day for Karnal reached AQI 456 at Sector-12 (HSPCB) on 2019-11-03; Silchar hit AQI 89 at Tarapur (PCBA) on 2023-04-29.
Station-level disparity
Karnal spans 1 CPCB stations with a 0-point spread (min 128, max 128); 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 Karnal's 270. That's a significant difference of 181 points.