Chandigarh vs Silchar
Side-by-side air quality comparison between Chandigarh 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 | Chandigarh | Silchar |
|---|---|---|
| PM2.5(µg/m³) | 50.90 | 53.00 |
| PM10(µg/m³) | 66.80 | 63.80 |
| NO₂(µg/m³) | 44.60 | 13.90 |
| SO₂(µg/m³) | 8.10 | 7.50 |
| O₃(µg/m³) | 11.00 | 95.00 |
| CO(µg/m³) | 714.00 | 276.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Chandigarh averaged an AQI of 153 while Silchar averaged 52 — a 101-point (194%) gap, with Chandigarh the more polluted and Silchar the cleaner of the two. On 692 days when both cities reported, Silchar was cleaner on 676 of them; the average daily gap was 117 AQI points.
Seasonality & days
Chandigarh peaks in January, while Silchar peaks in February. Chandigarh logged 0.3% Severe days and 39.9% Good-or-Satisfactory days; Silchar was 0% Severe and 100% Good-or-Satisfactory. Longest clean-air streaks: Chandigarh 92 days, Silchar 87 days.
Year-over-year progress
Chandigarh has worsened by 27 AQI points (21.4%) from 2019 to 2024; Silchar has worsened by 11 AQI points (26.8%) over the same window. The worst recorded day for Chandigarh reached AQI 452 at Sector-53 (CPCC) on 2022-11-09; Silchar hit AQI 89 at Tarapur (PCBA) on 2023-04-29.
Station-level disparity
Chandigarh spans 3 CPCB stations with a 43-point spread (min 107, max 150); Silchar spans 1 stations with a 0-point spread (min 47, max 47).
Verdict
🏆 Chandigarh has better air quality with an AQI of 85 compared to Silchar's 89.