Arrah vs Solapur
Side-by-side air quality comparison between Arrah 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 | Arrah | Solapur |
|---|---|---|
| PM2.5(µg/m³) | 99.00 | 13.50 |
| PM10(µg/m³) | 115.50 | 22.10 |
| NO₂(µg/m³) | 53.70 | 6.90 |
| SO₂(µg/m³) | 13.70 | 2.70 |
| O₃(µg/m³) | 10.00 | 46.00 |
| CO(µg/m³) | 944.00 | 157.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Arrah averaged an AQI of 123 while Solapur averaged 96 — a 27-point (28%) gap, with Arrah the more polluted and Solapur the cleaner of the two. On 467 days when both cities reported, Solapur was cleaner on 263 of them; the average daily gap was 71 AQI points.
Seasonality & days
Arrah peaks in January, while Solapur peaks in March. Arrah logged 0.2% Severe days and 32.3% Good-or-Satisfactory days; Solapur was 0% Severe and 52.7% Good-or-Satisfactory. Longest clean-air streaks: Arrah 11 days, Solapur 61 days.
Year-over-year progress
Arrah has improved by 175 AQI points (58.7%) from 2021 to 2024; Solapur has improved by 45 AQI points (31.9%) over the same window. The worst recorded day for Arrah reached AQI 420 at New DM Office (BSPCB) on 2021-12-21; Solapur hit AQI 266 at Solapur (MPCB) on 2018-03-03.
Station-level disparity
Arrah spans 1 CPCB stations with a 0-point spread (min 162, max 162); 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 Arrah's 231. That's a significant difference of 208 points.