Jodhpur vs Kolkata
Side-by-side air quality comparison between Jodhpur 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 | Jodhpur | Kolkata |
|---|---|---|
| PM2.5(µg/m³) | 62.60 | 64.70 |
| PM10(µg/m³) | 263.60 | 69.40 |
| NO₂(µg/m³) | 2.80 | 18.10 |
| SO₂(µg/m³) | 4.80 | 13.10 |
| O₃(µg/m³) | 64.00 | 86.00 |
| CO(µg/m³) | 149.00 | 428.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Jodhpur averaged an AQI of 116 while Kolkata averaged 101 — a 15-point (15%) gap, with Jodhpur the more polluted and Kolkata the cleaner of the two. On 2012 days when both cities reported, Kolkata was cleaner on 1199 of them; the average daily gap was 80 AQI points.
Seasonality & days
Jodhpur peaks in November, while Kolkata peaks in January. Jodhpur logged 0.2% Severe days and 18.099999999999998% Good-or-Satisfactory days; Kolkata was 1% Severe and 47.800000000000004% Good-or-Satisfactory. Longest clean-air streaks: Jodhpur 34 days, Kolkata 75 days.
Year-over-year progress
Jodhpur has improved by 86 AQI points (42.6%) from 2016 to 2024; Kolkata has improved by 76 AQI points (42.9%) over the same window. The worst recorded day for Jodhpur reached AQI 436 at Collectorate (RSPCB) on 2018-04-21; Kolkata hit AQI 453 at Rabindra Bharati University (WBPCB) on 2019-01-23.
Station-level disparity
Jodhpur spans 5 CPCB stations with a 69-point spread (min 100, max 169); 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 Jodhpur's 214. That's a significant difference of 97 points.