Hyderabad vs Ludhiana
Side-by-side air quality comparison between Hyderabad and Ludhiana.
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 | Ludhiana |
|---|---|---|
| PM2.5(µg/m³) | 19.90 | 81.70 |
| PM10(µg/m³) | 27.50 | 109.20 |
| NO₂(µg/m³) | 11.90 | 40.40 |
| SO₂(µg/m³) | 5.60 | 15.20 |
| O₃(µg/m³) | 58.00 | 35.00 |
| CO(µg/m³) | 232.00 | 797.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Hyderabad averaged an AQI of 78 while Ludhiana averaged 117 — a 39-point (50%) gap, with Ludhiana the more polluted and Hyderabad the cleaner of the two. On 1533 days when both cities reported, Ludhiana was cleaner on 809 of them; the average daily gap was 51 AQI points.
Seasonality & days
Hyderabad peaks in December, while Ludhiana peaks in November. Hyderabad logged 0.2% Severe days and 41.6% Good-or-Satisfactory days; Ludhiana was 0.3% Severe and 53.599999999999994% Good-or-Satisfactory. Longest clean-air streaks: Hyderabad 71 days, Ludhiana 53 days.
Year-over-year progress
Hyderabad has improved by 24 AQI points (23.5%) from 2016 to 2024; Ludhiana has improved by 79 AQI points (40.3%) over the same window. The worst recorded day for Hyderabad reached AQI 500 at Sanathnagar (TSPCB) on 2024-04-28; Ludhiana hit AQI 488 at Punjab Agricultural University (PPCB) on 2018-06-14.
Station-level disparity
Hyderabad spans 14 CPCB stations with a 35-point spread (min 62, max 97); Ludhiana spans 1 stations with a 0-point spread (min 118, max 118).
Verdict
🏆 Hyderabad has better air quality with an AQI of 33 compared to Ludhiana's 173. That's a significant difference of 140 points.