Haldia vs Noida
Side-by-side air quality comparison between Haldia and Noida.
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 | Noida |
|---|---|---|
| PM2.5(µg/m³) | 50.20 | 67.50 |
| PM10(µg/m³) | 55.20 | 134.10 |
| NO₂(µg/m³) | 14.30 | 34.90 |
| SO₂(µg/m³) | 9.50 | 17.50 |
| O₃(µg/m³) | 79.00 | 48.00 |
| CO(µg/m³) | 280.00 | 554.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Haldia averaged an AQI of 90 while Noida averaged 182 — a 92-point (102%) gap, with Noida the more polluted and Haldia the cleaner of the two. On 359 days when both cities reported, Haldia was cleaner on 340 of them; the average daily gap was 132 AQI points.
Seasonality & days
Haldia peaks in December, while Noida peaks in November. Haldia logged 0% Severe days and 65.4% Good-or-Satisfactory days; Noida was 8.9% Severe and 16.5% Good-or-Satisfactory. Longest clean-air streaks: Haldia 51 days, Noida 14 days.
Year-over-year progress
Haldia has worsened by 8 AQI points (9.8%) from 2023 to 2024; Noida has improved by 79 AQI points (30.3%) over the same window. The worst recorded day for Haldia reached AQI 322 at Priyambada Housing Estate (WBPCB) on 2024-11-26; Noida hit AQI 500 at Sector-1 (UPPCB) on 2019-11-01.
Station-level disparity
Haldia spans 1 CPCB stations with a 0-point spread (min 86, max 86); Noida spans 4 stations with a 15-point spread (min 195, max 210).
Verdict
🏆 Haldia has better air quality with an AQI of 84 compared to Noida's 126.