Haldia vs Solapur
Side-by-side air quality comparison between Haldia 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 | Haldia | Solapur |
|---|---|---|
| PM2.5(µg/m³) | 50.20 | 13.50 |
| PM10(µg/m³) | 55.20 | 22.10 |
| NO₂(µg/m³) | 14.30 | 6.90 |
| SO₂(µg/m³) | 9.50 | 2.70 |
| O₃(µg/m³) | 79.00 | 46.00 |
| CO(µg/m³) | 280.00 | 157.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Haldia averaged an AQI of 90 while Solapur averaged 96 — a 6-point (7%) gap, with Solapur the more polluted and Haldia the cleaner of the two. On 359 days when both cities reported, Haldia was cleaner on 276 of them; the average daily gap was 59 AQI points.
Seasonality & days
Haldia peaks in December, while Solapur peaks in March. Haldia logged 0% Severe days and 65.4% Good-or-Satisfactory days; Solapur was 0% Severe and 52.7% Good-or-Satisfactory. Longest clean-air streaks: Haldia 51 days, Solapur 61 days.
Year-over-year progress
Haldia has worsened by 8 AQI points (9.8%) from 2023 to 2024; Solapur has improved by 45 AQI points (31.9%) over the same window. The worst recorded day for Haldia reached AQI 322 at Priyambada Housing Estate (WBPCB) on 2024-11-26; Solapur hit AQI 266 at Solapur (MPCB) on 2018-03-03.
Station-level disparity
Haldia spans 1 CPCB stations with a 0-point spread (min 86, max 86); 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 Haldia's 84. That's a significant difference of 61 points.