Nalbāri vs Silchar
Side-by-side air quality comparison between Nalbāri 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 | Nalbāri | Silchar |
|---|---|---|
| PM2.5(µg/m³) | 54.50 | 35.20 |
| PM10(µg/m³) | 61.20 | 45.10 |
| NO₂(µg/m³) | 6.50 | 10.60 |
| SO₂(µg/m³) | 5.80 | 6.70 |
| O₃(µg/m³) | 123.00 | 100.00 |
| CO(µg/m³) | 407.00 | 270.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Nalbāri averaged an AQI of 129 while Silchar averaged 52 — a 77-point (148%) gap, with Nalbāri the more polluted and Silchar the cleaner of the two. On 602 days when both cities reported, Silchar was cleaner on 535 of them; the average daily gap was 90 AQI points.
Seasonality & days
Nalbāri peaks in January, while Silchar peaks in February. Nalbāri logged 0% Severe days and 41% Good-or-Satisfactory days; Silchar was 0% Severe and 100% Good-or-Satisfactory. Longest clean-air streaks: Nalbāri 18 days, Silchar 87 days.
Year-over-year progress
Nalbāri has improved by 72 AQI points (35.8%) from 2022 to 2024; Silchar has worsened by 11 AQI points (26.8%) over the same window. The worst recorded day for Nalbāri reached AQI 384 at Bata Chowk (PCBA) on 2024-01-08; Silchar hit AQI 89 at Tarapur (PCBA) on 2023-04-29.
Station-level disparity
Nalbāri spans 1 CPCB stations with a 0-point spread (min 141, max 141); Silchar spans 1 stations with a 0-point spread (min 47, max 47).
Verdict
🏆 Silchar has better air quality with an AQI of 59 compared to Nalbāri's 91.