Nārnaul vs Silchar
Side-by-side air quality comparison between Nārnaul 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 | Nārnaul | Silchar |
|---|---|---|
| PM2.5(µg/m³) | 45.80 | 53.00 |
| PM10(µg/m³) | 120.10 | 63.80 |
| NO₂(µg/m³) | 21.00 | 13.90 |
| SO₂(µg/m³) | 7.10 | 7.50 |
| O₃(µg/m³) | 63.00 | 95.00 |
| CO(µg/m³) | 386.00 | 276.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Nārnaul averaged an AQI of 94 while Silchar averaged 52 — a 42-point (81%) gap, with Nārnaul the more polluted and Silchar the cleaner of the two. On 585 days when both cities reported, Silchar was cleaner on 520 of them; the average daily gap was 73 AQI points.
Seasonality & days
Nārnaul peaks in November, while Silchar peaks in February. Nārnaul logged 0.1% Severe days and 40.8% Good-or-Satisfactory days; Silchar was 0% Severe and 100% Good-or-Satisfactory. Longest clean-air streaks: Nārnaul 63 days, Silchar 87 days.
Year-over-year progress
Nārnaul has improved by 37 AQI points (28.2%) from 2019 to 2024; Silchar has worsened by 11 AQI points (26.8%) over the same window. The worst recorded day for Nārnaul reached AQI 435 at Shastri Nagar (HSPCB) on 2023-11-16; Silchar hit AQI 89 at Tarapur (PCBA) on 2023-04-29.
Station-level disparity
Nārnaul spans 1 CPCB stations with a 0-point spread (min 130, max 130); Silchar spans 1 stations with a 0-point spread (min 47, max 47).
Verdict
🏆 Silchar has better air quality with an AQI of 89 compared to Nārnaul's 114.