Chandigarh vs Gwalior
Side-by-side air quality comparison between Chandigarh and Gwalior.
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 | Gwalior |
|---|---|---|
| PM2.5(µg/m³) | 46.30 | 39.10 |
| PM10(µg/m³) | 63.60 | 89.40 |
| NO₂(µg/m³) | 30.10 | 12.30 |
| SO₂(µg/m³) | 10.30 | 6.20 |
| O₃(µg/m³) | 64.00 | 61.00 |
| CO(µg/m³) | 602.00 | 248.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Chandigarh averaged an AQI of 153 while Gwalior averaged 136 — a 17-point (13%) gap, with Chandigarh the more polluted and Gwalior the cleaner of the two. On 1391 days when both cities reported, Chandigarh was cleaner on 851 of them; the average daily gap was 62 AQI points.
Seasonality & days
Chandigarh peaks in January, while Gwalior peaks in November. Chandigarh logged 0.3% Severe days and 39.9% Good-or-Satisfactory days; Gwalior was 0.4% Severe and 31.5% Good-or-Satisfactory. Longest clean-air streaks: Chandigarh 92 days, Gwalior 47 days.
Year-over-year progress
Chandigarh has worsened by 27 AQI points (21.4%) from 2019 to 2024; Gwalior has improved by 12 AQI points (8.1%) over the same window. The worst recorded day for Chandigarh reached AQI 452 at Sector-53 (CPCC) on 2022-11-09; Gwalior hit AQI 450 at City Center (MPPCB) on 2021-11-09.
Station-level disparity
Chandigarh spans 3 CPCB stations with a 43-point spread (min 107, max 150); Gwalior spans 4 stations with a 53-point spread (min 112, max 165).
Verdict
🏆 Chandigarh has better air quality with an AQI of 78 compared to Gwalior's 90.