Palwal vs Silchar
Side-by-side air quality comparison between Palwal 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 | Palwal | Silchar |
|---|---|---|
| PM2.5(µg/m³) | 58.70 | 53.70 |
| PM10(µg/m³) | 129.50 | 64.50 |
| NO₂(µg/m³) | 23.70 | 14.10 |
| SO₂(µg/m³) | 9.30 | 7.40 |
| O₃(µg/m³) | 51.00 | 94.00 |
| CO(µg/m³) | 502.00 | 289.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Palwal averaged an AQI of 95 while Silchar averaged 52 — a 43-point (83%) gap, with Palwal the more polluted and Silchar the cleaner of the two. On 625 days when both cities reported, Silchar was cleaner on 541 of them; the average daily gap was 43 AQI points.
Seasonality & days
Palwal peaks in November, while Silchar peaks in February. Palwal logged 0.2% Severe days and 47.800000000000004% Good-or-Satisfactory days; Silchar was 0% Severe and 100% Good-or-Satisfactory. Longest clean-air streaks: Palwal 37 days, Silchar 87 days.
Year-over-year progress
Palwal has improved by 91 AQI points (48.9%) from 2019 to 2024; Silchar has worsened by 11 AQI points (26.8%) over the same window. The worst recorded day for Palwal reached AQI 465 at Shyam Nagar (HSPCB) on 2019-11-14; Silchar hit AQI 89 at Tarapur (PCBA) on 2023-04-29.
Station-level disparity
Palwal spans 1 CPCB stations with a 0-point spread (min 120, max 120); Silchar spans 1 stations with a 0-point spread (min 47, max 47).
Verdict
🏆 Silchar has better air quality with an AQI of 90 compared to Palwal's 120.