Howrah vs Malegaon
Side-by-side air quality comparison between Howrah and Malegaon.
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 | Malegaon |
|---|---|---|
| PM2.5(µg/m³) | 64.70 | 15.60 |
| PM10(µg/m³) | 69.40 | 32.90 |
| NO₂(µg/m³) | 18.10 | 7.70 |
| SO₂(µg/m³) | 13.10 | 10.40 |
| O₃(µg/m³) | 86.00 | 38.00 |
| CO(µg/m³) | 421.00 | 138.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Howrah averaged an AQI of 126 while Malegaon averaged 114 — a 12-point (11%) gap, with Howrah the more polluted and Malegaon the cleaner of the two. On 355 days when both cities reported, Malegaon was cleaner on 216 of them; the average daily gap was 67 AQI points.
Seasonality & days
Howrah peaks in December, while Malegaon peaks in November. Howrah logged 0.7% Severe days and 48.7% Good-or-Satisfactory days; Malegaon was 0% Severe and 48% Good-or-Satisfactory. Longest clean-air streaks: Howrah 120 days, Malegaon 51 days.
Year-over-year progress
Howrah has improved by 32 AQI points (20.3%) from 2016 to 2024; Malegaon has worsened by 16 AQI points (16.3%) over the same window. The worst recorded day for Howrah reached AQI 500 at Ghusuri (WBPCB) on 2017-04-15; Malegaon hit AQI 298 at Mahesh Nagar (MPCB) on 2024-07-07.
Station-level disparity
Howrah spans 5 CPCB stations with a 116-point spread (min 111, max 227); Malegaon spans 1 stations with a 0-point spread (min 109, max 109).
Verdict
🏆 Malegaon has better air quality with an AQI of 33 compared to Howrah's 117. That's a significant difference of 84 points.