Silchar vs Thrissur
Side-by-side air quality comparison between Silchar and Thrissur.
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 | Thrissur |
|---|---|---|
| PM2.5(µg/m³) | 35.20 | 8.60 |
| PM10(µg/m³) | 45.10 | 10.10 |
| NO₂(µg/m³) | 10.60 | 9.80 |
| SO₂(µg/m³) | 6.70 | 3.30 |
| O₃(µg/m³) | 100.00 | 29.00 |
| CO(µg/m³) | 270.00 | 163.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Silchar averaged an AQI of 52 while Thrissur averaged 57 — a 5-point (10%) gap, with Thrissur the more polluted and Silchar the cleaner of the two. On 589 days when both cities reported, Silchar was cleaner on 453 of them; the average daily gap was 24 AQI points.
Seasonality & days
Both cities see their worst air in February on average. Silchar logged 0% Severe days and 100% Good-or-Satisfactory days; Thrissur was 0% Severe and 88.4% Good-or-Satisfactory. Longest clean-air streaks: Silchar 87 days, Thrissur 52 days.
Year-over-year progress
Silchar has worsened by 11 AQI points (26.8%) from 2023 to 2024; Thrissur has improved by 21 AQI points (26.9%) over the same window. The worst recorded day for Silchar reached AQI 89 at Tarapur (PCBA) on 2023-04-29; Thrissur hit AQI 181 at Corporation Ground Thrissur (PCB) on 2023-01-09.
Station-level disparity
Silchar spans 1 CPCB stations with a 0-point spread (min 47, max 47); Thrissur spans 1 stations with a 0-point spread (min 68, max 68).
Verdict
🏆 Thrissur has better air quality with an AQI of 14 compared to Silchar's 59.