Gwalior vs Solapur
Side-by-side air quality comparison between Gwalior and Solapur.
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 | Solapur |
|---|---|---|
| PM2.5(µg/m³) | 40.70 | 13.50 |
| PM10(µg/m³) | 97.60 | 22.10 |
| NO₂(µg/m³) | 14.70 | 6.90 |
| SO₂(µg/m³) | 5.70 | 2.70 |
| O₃(µg/m³) | 49.00 | 46.00 |
| CO(µg/m³) | 247.00 | 157.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Gwalior averaged an AQI of 136 while Solapur averaged 96 — a 40-point (42%) gap, with Gwalior the more polluted and Solapur the cleaner of the two. On 1015 days when both cities reported, Solapur was cleaner on 809 of them; the average daily gap was 71 AQI points.
Seasonality & days
Gwalior peaks in November, while Solapur peaks in March. Gwalior logged 0.4% Severe days and 31.5% Good-or-Satisfactory days; Solapur was 0% Severe and 52.7% Good-or-Satisfactory. Longest clean-air streaks: Gwalior 47 days, Solapur 61 days.
Year-over-year progress
Gwalior has improved by 12 AQI points (8.1%) from 2020 to 2024; Solapur has improved by 45 AQI points (31.9%) over the same window. The worst recorded day for Gwalior reached AQI 450 at City Center (MPPCB) on 2021-11-09; Solapur hit AQI 266 at Solapur (MPCB) on 2018-03-03.
Station-level disparity
Gwalior spans 4 CPCB stations with a 53-point spread (min 112, max 165); Solapur spans 3 stations with a 10-point spread (min 88, max 98).
Verdict
🏆 Solapur has better air quality with an AQI of 23 compared to Gwalior's 98. That's a significant difference of 75 points.