Chandigarh vs Haldia
Side-by-side air quality comparison between Chandigarh and Haldia.
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 | Chandigarh | Haldia |
|---|---|---|
| PM2.5(µg/m³) | 46.30 | 46.60 |
| PM10(µg/m³) | 63.60 | 51.90 |
| NO₂(µg/m³) | 30.10 | 11.40 |
| SO₂(µg/m³) | 10.30 | 10.40 |
| O₃(µg/m³) | 64.00 | 96.00 |
| CO(µg/m³) | 602.00 | 284.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Chandigarh averaged an AQI of 153 while Haldia averaged 90 — a 63-point (70%) gap, with Chandigarh the more polluted and Haldia the cleaner of the two. On 701 days when both cities reported, Haldia was cleaner on 648 of them; the average daily gap was 87 AQI points.
Seasonality & days
Chandigarh peaks in January, while Haldia peaks in December. Chandigarh logged 0.3% Severe days and 39.9% Good-or-Satisfactory days; Haldia was 0% Severe and 65.4% Good-or-Satisfactory. Longest clean-air streaks: Chandigarh 92 days, Haldia 51 days.
Year-over-year progress
Chandigarh has worsened by 27 AQI points (21.4%) from 2019 to 2024; Haldia has worsened by 8 AQI points (9.8%) over the same window. The worst recorded day for Chandigarh reached AQI 452 at Sector-53 (CPCC) on 2022-11-09; Haldia hit AQI 322 at Priyambada Housing Estate (WBPCB) on 2024-11-26.
Station-level disparity
Chandigarh spans 3 CPCB stations with a 43-point spread (min 107, max 150); Haldia spans 1 stations with a 0-point spread (min 86, max 86).
Verdict
Both Chandigarh and Haldia have the same AQI of 78 right now.