Dehradun vs Solapur
Side-by-side air quality comparison between Dehradun 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 | Dehradun | Solapur |
|---|---|---|
| PM2.5(µg/m³) | 14.40 | 14.00 |
| PM10(µg/m³) | 14.60 | 23.70 |
| NO₂(µg/m³) | 25.40 | 5.60 |
| SO₂(µg/m³) | 4.10 | 3.30 |
| O₃(µg/m³) | 71.00 | 51.00 |
| CO(µg/m³) | 350.00 | 149.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Dehradun averaged an AQI of 106 while Solapur averaged 96 — a 10-point (10%) gap, with Dehradun the more polluted and Solapur the cleaner of the two. On 474 days when both cities reported, Dehradun was cleaner on 312 of them; the average daily gap was 51 AQI points.
Seasonality & days
Dehradun peaks in January, while Solapur peaks in March. Dehradun logged 0% Severe days and 62.8% Good-or-Satisfactory days; Solapur was 0% Severe and 52.7% Good-or-Satisfactory. Longest clean-air streaks: Dehradun 41 days, Solapur 61 days.
Year-over-year progress
Dehradun has worsened by 19 AQI points (21.8%) from 2022 to 2024; Solapur has improved by 45 AQI points (31.9%) over the same window. The worst recorded day for Dehradun reached AQI 327 at Doon University (UKPCB) on 2024-01-19; Solapur hit AQI 266 at Solapur (MPCB) on 2018-03-03.
Station-level disparity
Dehradun spans 1 CPCB stations with a 0-point spread (min 98, max 98); Solapur spans 3 stations with a 10-point spread (min 88, max 98).
Verdict
Both Dehradun and Solapur have the same AQI of 24 right now.