Faridabad vs Kolkata
Side-by-side air quality comparison between Faridabad 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 | Faridabad | Kolkata |
|---|---|---|
| PM2.5(µg/m³) | 69.60 | 64.70 |
| PM10(µg/m³) | 137.40 | 69.40 |
| NO₂(µg/m³) | 30.10 | 18.10 |
| SO₂(µg/m³) | 17.90 | 13.10 |
| O₃(µg/m³) | 65.00 | 86.00 |
| CO(µg/m³) | 589.00 | 428.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Faridabad averaged an AQI of 181 while Kolkata averaged 101 — a 80-point (79%) gap, with Faridabad the more polluted and Kolkata the cleaner of the two. On 1991 days when both cities reported, Kolkata was cleaner on 1586 of them; the average daily gap was 97 AQI points.
Seasonality & days
Faridabad peaks in November, while Kolkata peaks in January. Faridabad logged 6.9% Severe days and 15.7% Good-or-Satisfactory days; Kolkata was 1% Severe and 47.800000000000004% Good-or-Satisfactory. Longest clean-air streaks: Faridabad 19 days, Kolkata 75 days.
Year-over-year progress
Faridabad has improved by 42 AQI points (18.8%) from 2016 to 2024; Kolkata has improved by 76 AQI points (42.9%) over the same window. The worst recorded day for Faridabad reached AQI 500 at New Industrial Town (HSPCB) on 2024-05-10; Kolkata hit AQI 453 at Rabindra Bharati University (WBPCB) on 2019-01-23.
Station-level disparity
Faridabad spans 4 CPCB stations with a 25-point spread (min 184, max 209); Kolkata spans 7 stations with a 56-point spread (min 95, max 151).
Verdict
🏆 Kolkata has better air quality with an AQI of 117 compared to Faridabad's 133.