Gwalior vs Patna
Side-by-side air quality comparison between Gwalior and Patna.
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 | Gwalior | Patna |
|---|---|---|
| PM2.5(µg/m³) | 39.10 | 97.80 |
| PM10(µg/m³) | 89.40 | 109.40 |
| NO₂(µg/m³) | 12.30 | 40.50 |
| SO₂(µg/m³) | 6.20 | 18.90 |
| O₃(µg/m³) | 61.00 | 52.00 |
| CO(µg/m³) | 248.00 | 667.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Gwalior averaged an AQI of 136 while Patna averaged 172 — a 36-point (26%) gap, with Patna the more polluted and Gwalior the cleaner of the two. On 1396 days when both cities reported, Gwalior was cleaner on 1135 of them; the average daily gap was 78 AQI points.
Seasonality & days
Gwalior peaks in November, while Patna peaks in December. Gwalior logged 0.4% Severe days and 31.5% Good-or-Satisfactory days; Patna was 7.5% Severe and 19.400000000000002% Good-or-Satisfactory. Longest clean-air streaks: Gwalior 47 days, Patna 30 days.
Year-over-year progress
Gwalior has improved by 12 AQI points (8.1%) from 2020 to 2024; Patna has improved by 40 AQI points (18.9%) over the same window. The worst recorded day for Gwalior reached AQI 450 at City Center (MPPCB) on 2021-11-09; Patna hit AQI 491 at IGSC Planetarium Complex (BSPCB) on 2016-01-01.
Station-level disparity
Gwalior spans 4 CPCB stations with a 53-point spread (min 112, max 165); Patna spans 6 stations with a 39-point spread (min 154, max 193).
Verdict
🏆 Gwalior has better air quality with an AQI of 90 compared to Patna's 227. That's a significant difference of 137 points.