Howrah vs Jaipur
Side-by-side air quality comparison between Howrah and Jaipur.
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 | Howrah | Jaipur |
|---|---|---|
| PM2.5(µg/m³) | 68.70 | 54.70 |
| PM10(µg/m³) | 72.60 | 187.20 |
| NO₂(µg/m³) | 22.20 | 16.00 |
| SO₂(µg/m³) | 11.50 | 7.20 |
| O₃(µg/m³) | 55.00 | 57.00 |
| CO(µg/m³) | 360.00 | 428.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Howrah averaged an AQI of 126 while Jaipur averaged 136 — a 10-point (8%) gap, with Jaipur the more polluted and Howrah the cleaner of the two. On 2179 days when both cities reported, Howrah was cleaner on 1193 of them; the average daily gap was 78 AQI points.
Seasonality & days
Howrah peaks in December, while Jaipur peaks in November. Howrah logged 0.7% Severe days and 48.7% Good-or-Satisfactory days; Jaipur was 0.1% Severe and 26.799999999999997% Good-or-Satisfactory. Longest clean-air streaks: Howrah 120 days, Jaipur 57 days.
Year-over-year progress
Howrah has improved by 32 AQI points (20.3%) from 2016 to 2024; Jaipur has improved by 53 AQI points (28%) over the same window. The worst recorded day for Howrah reached AQI 500 at Ghusuri (WBPCB) on 2017-04-15; Jaipur hit AQI 452 at Shastri Nagar (RSPCB) on 2018-02-06.
Station-level disparity
Howrah spans 5 CPCB stations with a 116-point spread (min 111, max 227); Jaipur spans 6 stations with a 48-point spread (min 112, max 160).
Verdict
🏆 Howrah has better air quality with an AQI of 130 compared to Jaipur's 159.