Chandigarh vs Delhi
Side-by-side air quality comparison between Chandigarh and Delhi.
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 | Chandigarh | Delhi |
|---|---|---|
| PM2.5(µg/m³) | 40.70 | 78.90 |
| PM10(µg/m³) | 61.70 | 153.20 |
| NO₂(µg/m³) | 17.10 | 38.40 |
| SO₂(µg/m³) | 13.10 | 35.10 |
| O₃(µg/m³) | 121.00 | 88.00 |
| CO(µg/m³) | 512.00 | 602.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Chandigarh averaged an AQI of 153 while Delhi averaged 210 — a 57-point (37%) gap, with Delhi the more polluted and Chandigarh the cleaner of the two. On 1947 days when both cities reported, Chandigarh was cleaner on 1912 of them; the average daily gap was 157 AQI points.
Seasonality & days
Chandigarh peaks in January, while Delhi peaks in November. Chandigarh logged 0.3% Severe days and 39.9% Good-or-Satisfactory days; Delhi was 18.7% Severe and 1.7% Good-or-Satisfactory. Longest clean-air streaks: Chandigarh 92 days, Delhi 3 days.
Year-over-year progress
Chandigarh has worsened by 27 AQI points (21.4%) from 2019 to 2024; Delhi has improved by 42 AQI points (16.7%) over the same window. The worst recorded day for Chandigarh reached AQI 452 at Sector-53 (CPCC) on 2022-11-09; Delhi hit AQI 500 at Ashok Vihar (DPCC) on 2024-11-18.
Station-level disparity
Chandigarh spans 3 CPCB stations with a 43-point spread (min 107, max 150); Delhi spans 39 stations with a 84-point spread (min 178, max 262).
Verdict
🏆 Chandigarh has better air quality with an AQI of 68 compared to Delhi's 163. That's a significant difference of 95 points.