Howrah vs Kanpur
Side-by-side air quality comparison between Howrah and Kanpur.
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 | Kanpur |
|---|---|---|
| PM2.5(µg/m³) | 64.70 | 77.50 |
| PM10(µg/m³) | 69.40 | 129.00 |
| NO₂(µg/m³) | 18.10 | 51.00 |
| SO₂(µg/m³) | 13.10 | 13.40 |
| O₃(µg/m³) | 86.00 | 41.00 |
| CO(µg/m³) | 421.00 | 367.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Howrah averaged an AQI of 126 while Kanpur averaged 109 — a 17-point (16%) gap, with Howrah the more polluted and Kanpur the cleaner of the two. On 2138 days when both cities reported, Howrah was cleaner on 1190 of them; the average daily gap was 63 AQI points.
Seasonality & days
Howrah peaks in December, while Kanpur peaks in November. Howrah logged 0.7% Severe days and 48.7% Good-or-Satisfactory days; Kanpur was 3.8% Severe and 36.2% Good-or-Satisfactory. Longest clean-air streaks: Howrah 120 days, Kanpur 70 days.
Year-over-year progress
Howrah has improved by 32 AQI points (20.3%) from 2016 to 2024; Kanpur has improved by 96 AQI points (46.8%) over the same window. The worst recorded day for Howrah reached AQI 500 at Ghusuri (WBPCB) on 2017-04-15; Kanpur hit AQI 482 at Nehru Nagar (UPPCB) on 2017-12-29.
Station-level disparity
Howrah spans 5 CPCB stations with a 116-point spread (min 111, max 227); Kanpur spans 4 stations with a 54-point spread (min 111, max 165).
Verdict
🏆 Howrah has better air quality with an AQI of 117 compared to Kanpur's 159.