Haldia vs Indore
Side-by-side air quality comparison between Haldia and Indore.
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 | Indore |
|---|---|---|
| PM2.5(µg/m³) | 46.60 | 31.30 |
| PM10(µg/m³) | 51.90 | 47.80 |
| NO₂(µg/m³) | 11.40 | 7.10 |
| SO₂(µg/m³) | 10.40 | 15.10 |
| O₃(µg/m³) | 96.00 | 66.00 |
| CO(µg/m³) | 284.00 | 251.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Haldia averaged an AQI of 90 while Indore averaged 84 — a 6-point (7%) gap, with Haldia the more polluted and Indore the cleaner of the two. On 359 days when both cities reported, Haldia was cleaner on 286 of them; the average daily gap was 56 AQI points.
Seasonality & days
Haldia peaks in December, while Indore peaks in November. Haldia logged 0% Severe days and 65.4% Good-or-Satisfactory days; Indore was 0% Severe and 45.099999999999994% Good-or-Satisfactory. Longest clean-air streaks: Haldia 51 days, Indore 65 days.
Year-over-year progress
Haldia has worsened by 8 AQI points (9.8%) from 2023 to 2024; Indore has improved by 47 AQI points (35.9%) over the same window. The worst recorded day for Haldia reached AQI 322 at Priyambada Housing Estate (WBPCB) on 2024-11-26; Indore hit AQI 359 at Maguda Nagar (IMC) on 2024-09-18.
Station-level disparity
Haldia spans 1 CPCB stations with a 0-point spread (min 86, max 86); Indore spans 6 stations with a 69-point spread (min 52, max 121).
Verdict
🏆 Indore has better air quality with an AQI of 53 compared to Haldia's 78.