Dūngarpur vs Kolkata
Side-by-side air quality comparison between Dūngarpur and Kolkata.
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 | Dūngarpur | Kolkata |
|---|---|---|
| PM2.5(µg/m³) | 24.30 | 71.70 |
| PM10(µg/m³) | 34.50 | 75.70 |
| NO₂(µg/m³) | 8.80 | 22.30 |
| SO₂(µg/m³) | 10.40 | 12.00 |
| O₃(µg/m³) | 44.00 | 60.00 |
| CO(µg/m³) | 142.00 | 392.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Dūngarpur averaged an AQI of 108 while Kolkata averaged 101 — a 7-point (7%) gap, with Dūngarpur the more polluted and Kolkata the cleaner of the two. On 340 days when both cities reported, Dūngarpur was cleaner on 200 of them; the average daily gap was 51 AQI points.
Seasonality & days
Both cities see their worst air in January on average. Dūngarpur logged 0% Severe days and 57.199999999999996% Good-or-Satisfactory days; Kolkata was 1% Severe and 47.800000000000004% Good-or-Satisfactory. Longest clean-air streaks: Dūngarpur 24 days, Kolkata 75 days.
Year-over-year progress
Dūngarpur has improved by 5 AQI points (4.4%) from 2023 to 2024; Kolkata has improved by 76 AQI points (42.9%) over the same window. The worst recorded day for Dūngarpur reached AQI 314 at Bhoiwada (RSPCB) on 2024-01-01; Kolkata hit AQI 453 at Rabindra Bharati University (WBPCB) on 2019-01-23.
Station-level disparity
Dūngarpur spans 1 CPCB stations with a 0-point spread (min 109, max 109); Kolkata spans 7 stations with a 56-point spread (min 95, max 151).
Verdict
🏆 Dūngarpur has better air quality with an AQI of 41 compared to Kolkata's 140. That's a significant difference of 99 points.