Durgapur vs Kalyān
Side-by-side air quality comparison between Durgapur and Kalyān.
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 | Durgapur | Kalyān |
|---|---|---|
| PM2.5(µg/m³) | 112.70 | 22.80 |
| PM10(µg/m³) | 117.10 | 40.50 |
| NO₂(µg/m³) | 50.30 | 23.40 |
| SO₂(µg/m³) | 73.80 | 22.10 |
| O₃(µg/m³) | 31.00 | 18.00 |
| CO(µg/m³) | 1019.00 | 187.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Durgapur averaged an AQI of 174 while Kalyān averaged 95 — a 79-point (83%) gap, with Durgapur the more polluted and Kalyān the cleaner of the two. On 224 days when both cities reported, Kalyān was cleaner on 196 of them; the average daily gap was 83 AQI points.
Seasonality & days
Durgapur peaks in December, while Kalyān peaks in January. Durgapur logged 1.3% Severe days and 30.3% Good-or-Satisfactory days; Kalyān was 0.1% Severe and 46.4% Good-or-Satisfactory. Longest clean-air streaks: Durgapur 6 days, Kalyān 78 days.
Year-over-year progress
The worst recorded day for Durgapur reached AQI 413 at PCBL Residential Complex (WBPCB) on 2024-12-10; Kalyān hit AQI 414 at Khadakpada (MPCB) on 2022-01-24.
Station-level disparity
Durgapur spans 2 CPCB stations with a 31-point spread (min 164, max 195); Kalyān spans 2 stations with a 18-point spread (min 98, max 116).
Verdict
🏆 Kalyān has better air quality with an AQI of 41 compared to Durgapur's 276. That's a significant difference of 235 points.