Haldia vs Pune
Side-by-side air quality comparison between Haldia and Pune.
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 | Pune |
|---|---|---|
| PM2.5(µg/m³) | 49.00 | 15.60 |
| PM10(µg/m³) | 53.80 | 35.00 |
| NO₂(µg/m³) | 14.40 | 11.00 |
| SO₂(µg/m³) | 8.90 | 9.30 |
| O₃(µg/m³) | 77.00 | 32.00 |
| CO(µg/m³) | 273.00 | 139.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Haldia averaged an AQI of 90 while Pune averaged 97 — a 7-point (8%) gap, with Pune the more polluted and Haldia the cleaner of the two. On 359 days when both cities reported, Haldia was cleaner on 319 of them; the average daily gap was 72 AQI points.
Seasonality & days
Haldia peaks in December, while Pune peaks in November. Haldia logged 0% Severe days and 65.4% Good-or-Satisfactory days; Pune was 0.1% Severe and 44.8% Good-or-Satisfactory. Longest clean-air streaks: Haldia 51 days, Pune 92 days.
Year-over-year progress
Haldia has worsened by 8 AQI points (9.8%) from 2023 to 2024; Pune has improved by 7 AQI points (6.7%) over the same window. The worst recorded day for Haldia reached AQI 322 at Priyambada Housing Estate (WBPCB) on 2024-11-26; Pune hit AQI 435 at Alandi (IITM) on 2024-01-29.
Station-level disparity
Haldia spans 1 CPCB stations with a 0-point spread (min 86, max 86); Pune spans 12 stations with a 54-point spread (min 68, max 122).
Verdict
🏆 Pune has better air quality with an AQI of 35 compared to Haldia's 82.