Kolkata vs Pithampur
Side-by-side air quality comparison between Kolkata and Pithampur.
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 | Kolkata | Pithampur |
|---|---|---|
| PM2.5(µg/m³) | 71.70 | 32.10 |
| PM10(µg/m³) | 75.70 | 49.20 |
| NO₂(µg/m³) | 22.30 | 7.20 |
| SO₂(µg/m³) | 12.00 | 14.80 |
| O₃(µg/m³) | 60.00 | 66.00 |
| CO(µg/m³) | 392.00 | 198.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Kolkata averaged an AQI of 101 while Pithampur averaged 117 — a 16-point (16%) gap, with Pithampur the more polluted and Kolkata the cleaner of the two. On 2051 days when both cities reported, Pithampur was cleaner on 1233 of them; the average daily gap was 73 AQI points.
Seasonality & days
Kolkata peaks in January, while Pithampur peaks in December. Kolkata logged 1% Severe days and 47.800000000000004% Good-or-Satisfactory days; Pithampur was 0% Severe and 41% Good-or-Satisfactory. Longest clean-air streaks: Kolkata 75 days, Pithampur 101 days.
Year-over-year progress
Kolkata has improved by 76 AQI points (42.9%) from 2017 to 2024; Pithampur has improved by 57 AQI points (32.8%) over the same window. The worst recorded day for Kolkata reached AQI 453 at Rabindra Bharati University (WBPCB) on 2019-01-23; Pithampur hit AQI 310 at Sector-2 Industrial Area (MPPCB) on 2017-12-08.
Station-level disparity
Kolkata spans 7 CPCB stations with a 56-point spread (min 95, max 151); Pithampur spans 1 stations with a 0-point spread (min 114, max 114).
Verdict
🏆 Pithampur has better air quality with an AQI of 54 compared to Kolkata's 140. That's a significant difference of 86 points.