Bathinda vs Kolkata
Side-by-side air quality comparison between Bathinda 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 | Bathinda | Kolkata |
|---|---|---|
| PM2.5(µg/m³) | 52.30 | 64.70 |
| PM10(µg/m³) | 81.70 | 69.40 |
| NO₂(µg/m³) | 24.20 | 18.10 |
| SO₂(µg/m³) | 10.00 | 13.10 |
| O₃(µg/m³) | 75.00 | 86.00 |
| CO(µg/m³) | 360.00 | 428.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Bathinda averaged an AQI of 102 while Kolkata averaged 101 — a 1-point (1%) gap, with Bathinda the more polluted and Kolkata the cleaner of the two. On 1758 days when both cities reported, Bathinda was cleaner on 1101 of them; the average daily gap was 82 AQI points.
Seasonality & days
Bathinda peaks in November, while Kolkata peaks in January. Bathinda logged 0.1% Severe days and 53.9% Good-or-Satisfactory days; Kolkata was 1% Severe and 47.800000000000004% Good-or-Satisfactory. Longest clean-air streaks: Bathinda 54 days, Kolkata 75 days.
Year-over-year progress
Bathinda has improved by 3 AQI points (2.9%) from 2018 to 2024; Kolkata has improved by 76 AQI points (42.9%) over the same window. The worst recorded day for Bathinda reached AQI 405 at Hardev Nagar (PPCB) on 2018-06-16; Kolkata hit AQI 453 at Rabindra Bharati University (WBPCB) on 2019-01-23.
Station-level disparity
Bathinda spans 1 CPCB stations with a 0-point spread (min 108, max 108); Kolkata spans 7 stations with a 56-point spread (min 95, max 151).
Verdict
🏆 Bathinda has better air quality with an AQI of 87 compared to Kolkata's 117.