Silchar vs Sirohi
Side-by-side air quality comparison between Silchar and Sirohi.
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 | Silchar | Sirohi |
|---|---|---|
| PM2.5(µg/m³) | 53.00 | 20.00 |
| PM10(µg/m³) | 63.80 | 34.70 |
| NO₂(µg/m³) | 13.90 | 4.30 |
| SO₂(µg/m³) | 7.50 | 2.90 |
| O₃(µg/m³) | 95.00 | 51.00 |
| CO(µg/m³) | 276.00 | 127.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Silchar averaged an AQI of 52 while Sirohi averaged 89 — a 37-point (71%) gap, with Sirohi the more polluted and Silchar the cleaner of the two. On 558 days when both cities reported, Silchar was cleaner on 491 of them; the average daily gap was 47 AQI points.
Seasonality & days
Silchar peaks in February, while Sirohi peaks in December. Silchar logged 0% Severe days and 100% Good-or-Satisfactory days; Sirohi was 0% Severe and 69.2% Good-or-Satisfactory. Longest clean-air streaks: Silchar 87 days, Sirohi 41 days.
Year-over-year progress
Silchar has worsened by 11 AQI points (26.8%) from 2023 to 2024; Sirohi has improved by 4 AQI points (4.3%) over the same window. The worst recorded day for Silchar reached AQI 89 at Tarapur (PCBA) on 2023-04-29; Sirohi hit AQI 335 at Vedhaynath Colony (RSPCB) on 2024-12-26.
Station-level disparity
Silchar spans 1 CPCB stations with a 0-point spread (min 47, max 47); Sirohi spans 1 stations with a 0-point spread (min 90, max 90).
Verdict
🏆 Sirohi has better air quality with an AQI of 35 compared to Silchar's 89. That's a significant difference of 54 points.