Hyderabad vs Shillong
Side-by-side air quality comparison between Hyderabad and Shillong.
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 | Shillong |
|---|---|---|
| PM2.5(µg/m³) | 20.50 | 17.90 |
| PM10(µg/m³) | 27.90 | 21.40 |
| NO₂(µg/m³) | 10.40 | 3.10 |
| SO₂(µg/m³) | 5.30 | 6.20 |
| O₃(µg/m³) | 63.00 | 118.00 |
| CO(µg/m³) | 281.00 | 304.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Hyderabad averaged an AQI of 78 while Shillong averaged 75 — a 3-point (4%) gap, with Hyderabad the more polluted and Shillong the cleaner of the two. On 997 days when both cities reported, Shillong was cleaner on 934 of them; the average daily gap was 81 AQI points.
Seasonality & days
Hyderabad peaks in December, while Shillong peaks in February. Hyderabad logged 0.2% Severe days and 41.6% Good-or-Satisfactory days; Shillong was 0% Severe and 92% Good-or-Satisfactory. Longest clean-air streaks: Hyderabad 71 days, Shillong 113 days.
Year-over-year progress
Hyderabad has improved by 24 AQI points (23.5%) from 2016 to 2024; Shillong has worsened by 41 AQI points (120.6%) over the same window. The worst recorded day for Hyderabad reached AQI 500 at Sanathnagar (TSPCB) on 2024-04-28; Shillong hit AQI 212 at Lumpyngngad Shillong (PCB) on 2024-02-19.
Station-level disparity
Hyderabad spans 14 CPCB stations with a 35-point spread (min 62, max 97); Shillong spans 2 stations with a 2-point spread (min 42, max 44).
Verdict
🏆 Shillong has better air quality with an AQI of 30 compared to Hyderabad's 34.