Ludhiana vs Ooty
Side-by-side air quality comparison between Ludhiana and Ooty.
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 | Ludhiana | Ooty |
|---|---|---|
| PM2.5(µg/m³) | 81.70 | 4.40 |
| PM10(µg/m³) | 109.20 | 5.20 |
| NO₂(µg/m³) | 40.40 | 7.00 |
| SO₂(µg/m³) | 15.20 | 0.90 |
| O₃(µg/m³) | 35.00 | 31.00 |
| CO(µg/m³) | 797.00 | 124.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2021, Ludhiana averaged an AQI of 117 while Ooty averaged 58 — a 59-point (102%) gap, with Ludhiana the more polluted and Ooty the cleaner of the two.
Seasonality & days
Ludhiana peaks in November, while Ooty peaks in May. Ludhiana logged 0.3% Severe days and 53.599999999999994% Good-or-Satisfactory days; Ooty was 0% Severe and 94.2% Good-or-Satisfactory. Longest clean-air streaks: Ludhiana 53 days, Ooty 22 days.
Year-over-year progress
Ludhiana has improved by 79 AQI points (40.3%) from 2017 to 2021; Ooty is essentially flat over the same window. The worst recorded day for Ludhiana reached AQI 488 at Punjab Agricultural University (PPCB) on 2018-06-14; Ooty hit AQI 164 at Bombay Castel (TNPCB) on 2024-12-17.
Station-level disparity
Ludhiana spans 1 CPCB stations with a 0-point spread (min 118, max 118); Ooty spans 1 stations with a 0-point spread (min 59, max 59).
Verdict
🏆 Ooty has better air quality with an AQI of 7 compared to Ludhiana's 173. That's a significant difference of 166 points.