Jaipur vs Kolkata
Side-by-side air quality comparison between Jaipur 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 | Jaipur | Kolkata |
|---|---|---|
| PM2.5(µg/m³) | 49.90 | 64.70 |
| PM10(µg/m³) | 147.10 | 69.40 |
| NO₂(µg/m³) | 12.90 | 18.10 |
| SO₂(µg/m³) | 8.10 | 13.10 |
| O₃(µg/m³) | 66.00 | 86.00 |
| CO(µg/m³) | 375.00 | 428.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Jaipur averaged an AQI of 136 while Kolkata averaged 101 — a 35-point (35%) gap, with Jaipur the more polluted and Kolkata the cleaner of the two. On 2076 days when both cities reported, Kolkata was cleaner on 1180 of them; the average daily gap was 77 AQI points.
Seasonality & days
Jaipur peaks in November, while Kolkata peaks in January. Jaipur logged 0.1% Severe days and 26.799999999999997% Good-or-Satisfactory days; Kolkata was 1% Severe and 47.800000000000004% Good-or-Satisfactory. Longest clean-air streaks: Jaipur 57 days, Kolkata 75 days.
Year-over-year progress
Jaipur has improved by 53 AQI points (28%) from 2017 to 2024; Kolkata has improved by 76 AQI points (42.9%) over the same window. The worst recorded day for Jaipur reached AQI 452 at Shastri Nagar (RSPCB) on 2018-02-06; Kolkata hit AQI 453 at Rabindra Bharati University (WBPCB) on 2019-01-23.
Station-level disparity
Jaipur spans 6 CPCB stations with a 48-point spread (min 112, max 160); 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 Jaipur's 132.