Delhi vs Gwalior
Side-by-side air quality comparison between Delhi 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 | Delhi | Gwalior |
|---|---|---|
| PM2.5(µg/m³) | 78.20 | 40.70 |
| PM10(µg/m³) | 154.10 | 97.60 |
| NO₂(µg/m³) | 47.90 | 14.70 |
| SO₂(µg/m³) | 33.40 | 5.70 |
| O₃(µg/m³) | 43.00 | 49.00 |
| CO(µg/m³) | 545.00 | 247.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Delhi averaged an AQI of 210 while Gwalior averaged 136 — a 74-point (54%) gap, with Delhi the more polluted and Gwalior the cleaner of the two. On 1397 days when both cities reported, Gwalior was cleaner on 1380 of them; the average daily gap was 137 AQI points.
Seasonality & days
Both cities see their worst air in November on average. Delhi logged 18.7% Severe days and 1.7% Good-or-Satisfactory days; Gwalior was 0.4% Severe and 31.5% Good-or-Satisfactory. Longest clean-air streaks: Delhi 3 days, Gwalior 47 days.
Year-over-year progress
Delhi has improved by 42 AQI points (16.7%) from 2016 to 2024; Gwalior has improved by 12 AQI points (8.1%) over the same window. The worst recorded day for Delhi reached AQI 500 at Ashok Vihar (DPCC) on 2024-11-18; Gwalior hit AQI 450 at City Center (MPPCB) on 2021-11-09.
Station-level disparity
Delhi spans 39 CPCB stations with a 84-point spread (min 178, max 262); Gwalior spans 4 stations with a 53-point spread (min 112, max 165).
Verdict
🏆 Gwalior has better air quality with an AQI of 98 compared to Delhi's 161. That's a significant difference of 63 points.