Aizawl vs Silchar
Side-by-side air quality comparison between Aizawl 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 | Aizawl | Silchar |
|---|---|---|
| PM2.5(µg/m³) | 23.70 | 53.00 |
| PM10(µg/m³) | 34.10 | 63.80 |
| NO₂(µg/m³) | 4.90 | 13.90 |
| SO₂(µg/m³) | 3.20 | 7.50 |
| O₃(µg/m³) | 63.00 | 95.00 |
| CO(µg/m³) | 238.00 | 276.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Aizawl averaged an AQI of 46 while Silchar averaged 52 — a 6-point (13%) gap, with Silchar the more polluted and Aizawl the cleaner of the two. On 597 days when both cities reported, Aizawl was cleaner on 339 of them; the average daily gap was 24 AQI points.
Seasonality & days
Aizawl peaks in March, while Silchar peaks in February. Aizawl logged 0% Severe days and 94.2% Good-or-Satisfactory days; Silchar was 0% Severe and 100% Good-or-Satisfactory. Longest clean-air streaks: Aizawl 76 days, Silchar 87 days.
Year-over-year progress
Aizawl has worsened by 16 AQI points (53.3%) from 2020 to 2024; Silchar has worsened by 11 AQI points (26.8%) over the same window. The worst recorded day for Aizawl reached AQI 208 at Sikulpuikawn Aizawl (PCB) on 2021-01-20; Silchar hit AQI 89 at Tarapur (PCBA) on 2023-04-29.
Station-level disparity
Aizawl spans 1 CPCB stations with a 0-point spread (min 43, max 43); Silchar spans 1 stations with a 0-point spread (min 47, max 47).
Verdict
🏆 Aizawl has better air quality with an AQI of 40 compared to Silchar's 89.