Chandigarh vs Surat
Side-by-side air quality comparison between Chandigarh and Surat.
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 | Surat |
|---|---|---|
| PM2.5(µg/m³) | 46.30 | 25.70 |
| PM10(µg/m³) | 63.60 | 47.30 |
| NO₂(µg/m³) | 30.10 | 22.40 |
| SO₂(µg/m³) | 10.30 | 40.70 |
| O₃(µg/m³) | 64.00 | 35.00 |
| CO(µg/m³) | 602.00 | 266.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Chandigarh averaged an AQI of 153 while Surat averaged 83 — a 70-point (84%) gap, with Chandigarh the more polluted and Surat the cleaner of the two. On 608 days when both cities reported, Surat was cleaner on 439 of them; the average daily gap was 85 AQI points.
Seasonality & days
Chandigarh peaks in January, while Surat peaks in November. Chandigarh logged 0.3% Severe days and 39.9% Good-or-Satisfactory days; Surat was 0% Severe and 55.9% Good-or-Satisfactory. Longest clean-air streaks: Chandigarh 92 days, Surat 55 days.
Year-over-year progress
Chandigarh has worsened by 27 AQI points (21.4%) from 2019 to 2024; Surat has improved by 139 AQI points (62.6%) over the same window. The worst recorded day for Chandigarh reached AQI 452 at Sector-53 (CPCC) on 2022-11-09; Surat hit AQI 384 at Science Center (SMC) on 2023-08-19.
Station-level disparity
Chandigarh spans 3 CPCB stations with a 43-point spread (min 107, max 150); Surat spans 1 stations with a 0-point spread (min 123, max 123).
Verdict
🏆 Surat has better air quality with an AQI of 47 compared to Chandigarh's 78.