Hyderabad vs Silchar
Side-by-side air quality comparison between Hyderabad 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 | Hyderabad | Silchar |
|---|---|---|
| PM2.5(µg/m³) | 20.50 | 35.20 |
| PM10(µg/m³) | 27.90 | 45.10 |
| NO₂(µg/m³) | 10.40 | 10.60 |
| SO₂(µg/m³) | 5.30 | 6.70 |
| O₃(µg/m³) | 63.00 | 100.00 |
| CO(µg/m³) | 281.00 | 270.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Hyderabad averaged an AQI of 78 while Silchar averaged 52 — a 26-point (50%) gap, with Hyderabad the more polluted and Silchar the cleaner of the two. On 352 days when both cities reported, Silchar was cleaner on 350 of them; the average daily gap was 74 AQI points.
Seasonality & days
Hyderabad peaks in December, while Silchar peaks in February. Hyderabad logged 0.2% Severe days and 41.6% Good-or-Satisfactory days; Silchar was 0% Severe and 100% Good-or-Satisfactory. Longest clean-air streaks: Hyderabad 71 days, Silchar 87 days.
Year-over-year progress
Hyderabad has improved by 24 AQI points (23.5%) from 2016 to 2024; Silchar has worsened by 11 AQI points (26.8%) over the same window. The worst recorded day for Hyderabad reached AQI 500 at Sanathnagar (TSPCB) on 2024-04-28; Silchar hit AQI 89 at Tarapur (PCBA) on 2023-04-29.
Station-level disparity
Hyderabad spans 14 CPCB stations with a 35-point spread (min 62, max 97); Silchar spans 1 stations with a 0-point spread (min 47, max 47).
Verdict
🏆 Hyderabad has better air quality with an AQI of 34 compared to Silchar's 59.