Gaya vs Silchar
Side-by-side air quality comparison between Gaya 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 | Gaya | Silchar |
|---|---|---|
| PM2.5(µg/m³) | 57.70 | 53.70 |
| PM10(µg/m³) | 67.50 | 64.50 |
| NO₂(µg/m³) | 19.60 | 14.10 |
| SO₂(µg/m³) | 12.20 | 7.40 |
| O₃(µg/m³) | 62.00 | 94.00 |
| CO(µg/m³) | 427.00 | 289.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Gaya averaged an AQI of 110 while Silchar averaged 52 — a 58-point (112%) gap, with Gaya the more polluted and Silchar the cleaner of the two. On 689 days when both cities reported, Silchar was cleaner on 667 of them; the average daily gap was 111 AQI points.
Seasonality & days
Gaya peaks in January, while Silchar peaks in February. Gaya logged 1.7% Severe days and 32% Good-or-Satisfactory days; Silchar was 0% Severe and 100% Good-or-Satisfactory. Longest clean-air streaks: Gaya 52 days, Silchar 87 days.
Year-over-year progress
Gaya has improved by 89 AQI points (44.7%) from 2016 to 2024; Silchar has worsened by 11 AQI points (26.8%) over the same window. The worst recorded day for Gaya reached AQI 500 at Collectorate (BSPCB) on 2016-10-15; Silchar hit AQI 89 at Tarapur (PCBA) on 2023-04-29.
Station-level disparity
Gaya spans 3 CPCB stations with a 85-point spread (min 88, max 173); Silchar spans 1 stations with a 0-point spread (min 47, max 47).
Verdict
🏆 Silchar has better air quality with an AQI of 90 compared to Gaya's 96.