Howrah vs Kishanganj
Side-by-side air quality comparison between Howrah and Kishanganj.
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 | Kishanganj |
|---|---|---|
| PM2.5(µg/m³) | 68.70 | 99.40 |
| PM10(µg/m³) | 72.60 | 102.00 |
| NO₂(µg/m³) | 22.20 | 19.70 |
| SO₂(µg/m³) | 11.50 | 12.20 |
| O₃(µg/m³) | 55.00 | 59.00 |
| CO(µg/m³) | 360.00 | 768.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Howrah averaged an AQI of 126 while Kishanganj averaged 144 — a 18-point (14%) gap, with Kishanganj the more polluted and Howrah the cleaner of the two. On 623 days when both cities reported, Kishanganj was cleaner on 348 of them; the average daily gap was 58 AQI points.
Seasonality & days
Howrah peaks in December, while Kishanganj peaks in January. Howrah logged 0.7% Severe days and 48.7% Good-or-Satisfactory days; Kishanganj was 0.2% Severe and 37.099999999999994% Good-or-Satisfactory. Longest clean-air streaks: Howrah 120 days, Kishanganj 23 days.
Year-over-year progress
Howrah has improved by 32 AQI points (20.3%) from 2016 to 2024; Kishanganj has improved by 136 AQI points (48.6%) over the same window. The worst recorded day for Howrah reached AQI 500 at Ghusuri (WBPCB) on 2017-04-15; Kishanganj hit AQI 417 at SDM Office Khagra (BSPCB) on 2022-02-01.
Station-level disparity
Howrah spans 5 CPCB stations with a 116-point spread (min 111, max 227); Kishanganj spans 1 stations with a 0-point spread (min 156, max 156).
Verdict
🏆 Howrah has better air quality with an AQI of 130 compared to Kishanganj's 232. That's a significant difference of 102 points.