Howrah vs Pratapgarh
Side-by-side air quality comparison between Howrah and Pratapgarh.
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 | Pratapgarh |
|---|---|---|
| PM2.5(µg/m³) | 68.70 | 68.70 |
| PM10(µg/m³) | 72.60 | 89.90 |
| NO₂(µg/m³) | 22.20 | 61.90 |
| SO₂(µg/m³) | 11.50 | 12.70 |
| O₃(µg/m³) | 55.00 | 4.00 |
| CO(µg/m³) | 360.00 | 386.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Howrah averaged an AQI of 126 while Pratapgarh averaged 93 — a 33-point (35%) gap, with Howrah the more polluted and Pratapgarh the cleaner of the two. On 352 days when both cities reported, Pratapgarh was cleaner on 257 of them; the average daily gap was 70 AQI points.
Seasonality & days
Howrah peaks in December, while Pratapgarh peaks in November. Howrah logged 0.7% Severe days and 48.7% Good-or-Satisfactory days; Pratapgarh was 0% Severe and 59.9% Good-or-Satisfactory. Longest clean-air streaks: Howrah 120 days, Pratapgarh 49 days.
Year-over-year progress
Howrah has improved by 32 AQI points (20.3%) from 2016 to 2024; Pratapgarh has improved by 10 AQI points (9.7%) over the same window. The worst recorded day for Howrah reached AQI 500 at Ghusuri (WBPCB) on 2017-04-15; Pratapgarh hit AQI 314 at Pragati Nagar (RSPCB) on 2023-12-25.
Station-level disparity
Howrah spans 5 CPCB stations with a 116-point spread (min 111, max 227); Pratapgarh spans 1 stations with a 0-point spread (min 97, max 97).
Verdict
Both Howrah and Pratapgarh have the same AQI of 130 right now.