Jīnd vs Kolkata
Side-by-side air quality comparison between Jīnd 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 | Jīnd | Kolkata |
|---|---|---|
| PM2.5(µg/m³) | 105.50 | 68.70 |
| PM10(µg/m³) | 331.60 | 72.60 |
| NO₂(µg/m³) | 67.60 | 22.20 |
| SO₂(µg/m³) | 15.80 | 11.50 |
| O₃(µg/m³) | 10.00 | 55.00 |
| CO(µg/m³) | 435.00 | 364.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Jīnd averaged an AQI of 126 while Kolkata averaged 101 — a 25-point (25%) gap, with Jīnd the more polluted and Kolkata the cleaner of the two. On 1675 days when both cities reported, Kolkata was cleaner on 901 of them; the average daily gap was 74 AQI points.
Seasonality & days
Jīnd peaks in November, while Kolkata peaks in January. Jīnd logged 2.1% Severe days and 36.5% Good-or-Satisfactory days; Kolkata was 1% Severe and 47.800000000000004% Good-or-Satisfactory. Longest clean-air streaks: Jīnd 23 days, Kolkata 75 days.
Year-over-year progress
Jīnd has improved by 39 AQI points (23.6%) from 2019 to 2024; Kolkata has improved by 76 AQI points (42.9%) over the same window. The worst recorded day for Jīnd reached AQI 491 at Police Lines (HSPCB) on 2019-11-03; Kolkata hit AQI 453 at Rabindra Bharati University (WBPCB) on 2019-01-23.
Station-level disparity
Jīnd spans 1 CPCB stations with a 0-point spread (min 158, max 158); Kolkata spans 7 stations with a 56-point spread (min 95, max 151).
Verdict
🏆 Kolkata has better air quality with an AQI of 130 compared to Jīnd's 282. That's a significant difference of 152 points.