Delhi vs Solapur
Side-by-side air quality comparison between Delhi 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 | Delhi | Solapur |
|---|---|---|
| PM2.5(µg/m³) | 80.80 | 13.60 |
| PM10(µg/m³) | 143.90 | 22.30 |
| NO₂(µg/m³) | 41.80 | 6.60 |
| SO₂(µg/m³) | 33.00 | 3.10 |
| O₃(µg/m³) | 63.00 | 46.00 |
| CO(µg/m³) | 568.00 | 150.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Delhi averaged an AQI of 210 while Solapur averaged 96 — a 114-point (119%) gap, with Delhi the more polluted and Solapur the cleaner of the two. On 1706 days when both cities reported, Solapur was cleaner on 1702 of them; the average daily gap was 199 AQI points.
Seasonality & days
Delhi peaks in November, while Solapur peaks in March. Delhi logged 18.7% Severe days and 1.7% Good-or-Satisfactory days; Solapur was 0% Severe and 52.7% Good-or-Satisfactory. Longest clean-air streaks: Delhi 3 days, Solapur 61 days.
Year-over-year progress
Delhi has improved by 42 AQI points (16.7%) from 2016 to 2024; Solapur has improved by 45 AQI points (31.9%) over the same window. The worst recorded day for Delhi reached AQI 500 at Ashok Vihar (DPCC) on 2024-11-18; Solapur hit AQI 266 at Solapur (MPCB) on 2018-03-03.
Station-level disparity
Delhi spans 39 CPCB stations with a 84-point spread (min 178, max 262); 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 Delhi's 170. That's a significant difference of 147 points.