Alwar vs Solapur
Side-by-side air quality comparison between Alwar 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 | Alwar | Solapur |
|---|---|---|
| PM2.5(µg/m³) | 58.70 | 13.60 |
| PM10(µg/m³) | 158.30 | 22.30 |
| NO₂(µg/m³) | 14.30 | 6.60 |
| SO₂(µg/m³) | 8.50 | 3.10 |
| O₃(µg/m³) | 76.00 | 46.00 |
| CO(µg/m³) | 357.00 | 150.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Alwar averaged an AQI of 88 while Solapur averaged 96 — a 8-point (9%) gap, with Solapur the more polluted and Alwar the cleaner of the two. On 1594 days when both cities reported, Alwar was cleaner on 866 of them; the average daily gap was 36 AQI points.
Seasonality & days
Alwar peaks in November, while Solapur peaks in March. Alwar logged 0% Severe days and 70.2% Good-or-Satisfactory days; Solapur was 0% Severe and 52.7% Good-or-Satisfactory. Longest clean-air streaks: Alwar 97 days, Solapur 61 days.
Year-over-year progress
Alwar has improved by 125 AQI points (58.7%) from 2017 to 2024; Solapur has improved by 45 AQI points (31.9%) over the same window. The worst recorded day for Alwar reached AQI 356 at Moti Doongri (RSPCB) on 2017-11-11; Solapur hit AQI 266 at Solapur (MPCB) on 2018-03-03.
Station-level disparity
Alwar spans 1 CPCB stations with a 0-point spread (min 95, max 95); 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 Alwar's 139. That's a significant difference of 116 points.