Delhi vs Hyderabad
Side-by-side air quality comparison between Delhi and Hyderabad.
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 | Delhi | Hyderabad |
|---|---|---|
| PM2.5(µg/m³) | 80.80 | 20.50 |
| PM10(µg/m³) | 143.90 | 27.90 |
| NO₂(µg/m³) | 41.80 | 10.40 |
| SO₂(µg/m³) | 33.00 | 5.30 |
| O₃(µg/m³) | 63.00 | 63.00 |
| CO(µg/m³) | 568.00 | 281.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Delhi averaged an AQI of 210 while Hyderabad averaged 78 — a 132-point (169%) gap, with Delhi the more polluted and Hyderabad the cleaner of the two. On 2587 days when both cities reported, Hyderabad was cleaner on 2546 of them; the average daily gap was 183 AQI points.
Seasonality & days
Delhi peaks in November, while Hyderabad peaks in December. Delhi logged 18.7% Severe days and 1.7% Good-or-Satisfactory days; Hyderabad was 0.2% Severe and 41.6% Good-or-Satisfactory. Longest clean-air streaks: Delhi 3 days, Hyderabad 71 days.
Year-over-year progress
Delhi has improved by 42 AQI points (16.7%) from 2016 to 2024; Hyderabad has improved by 24 AQI points (23.5%) over the same window. The worst recorded day for Delhi reached AQI 500 at Ashok Vihar (DPCC) on 2024-11-18; Hyderabad hit AQI 500 at Sanathnagar (TSPCB) on 2024-04-28.
Station-level disparity
Delhi spans 39 CPCB stations with a 84-point spread (min 178, max 262); Hyderabad spans 14 stations with a 35-point spread (min 62, max 97).
Verdict
🏆 Hyderabad has better air quality with an AQI of 34 compared to Delhi's 170. That's a significant difference of 136 points.