Fatehābād vs Kolkata
Side-by-side air quality comparison between Fatehābād 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 | Fatehābād | Kolkata |
|---|---|---|
| CO(ppb) | 634.16 | 355.00 |
| NO2(ppb) | 11.70 | 2.40 |
| O3(ppb) | 34.31 | 180.00 |
| PM10(µg/m³) | 141.54 | 51.30 |
| PM2.5(µg/m³) | 49.57 | 43.70 |
| SO2(ppb) | 0.02 | 11.70 |
| NH3(ppb) | 78.98 | — |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Fatehābād averaged an AQI of 116 while Kolkata averaged 101 — a 15-point (15%) gap, with Fatehābād the more polluted and Kolkata the cleaner of the two. On 1528 days when both cities reported, Fatehābād was cleaner on 781 of them; the average daily gap was 84 AQI points.
Seasonality & days
Fatehābād peaks in November, while Kolkata peaks in January. Fatehābād logged 1.5% Severe days and 31.1% Good-or-Satisfactory days; Kolkata was 1% Severe and 47.800000000000004% Good-or-Satisfactory. Longest clean-air streaks: Fatehābād 38 days, Kolkata 75 days.
Year-over-year progress
Fatehābād has improved by 43 AQI points (27%) from 2019 to 2024; Kolkata has improved by 76 AQI points (42.9%) over the same window. The worst recorded day for Fatehābād reached AQI 493 at Huda Sector (HSPCB) on 2019-11-02; Kolkata hit AQI 453 at Rabindra Bharati University (WBPCB) on 2019-01-23.
Station-level disparity
Fatehābād spans 1 CPCB stations with a 0-point spread (min 151, max 151); Kolkata spans 7 stations with a 56-point spread (min 95, max 151).
Verdict
🏆 Kolkata has better air quality with an AQI of 73 compared to Fatehābād's 128. That's a significant difference of 55 points.