Howrah vs Muzaffarnagar
Side-by-side air quality comparison between Howrah and Muzaffarnagar.
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 | Muzaffarnagar |
|---|---|---|
| PM2.5(µg/m³) | 68.70 | 56.70 |
| PM10(µg/m³) | 72.60 | 64.50 |
| NO₂(µg/m³) | 22.20 | 28.80 |
| SO₂(µg/m³) | 11.50 | 9.80 |
| O₃(µg/m³) | 55.00 | 39.00 |
| CO(µg/m³) | 360.00 | 1050.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Howrah averaged an AQI of 126 while Muzaffarnagar averaged 179 — a 53-point (42%) gap, with Muzaffarnagar the more polluted and Howrah the cleaner of the two. On 1771 days when both cities reported, Howrah was cleaner on 1229 of them; the average daily gap was 75 AQI points.
Seasonality & days
Both cities see their worst air in December on average. Howrah logged 0.7% Severe days and 48.7% Good-or-Satisfactory days; Muzaffarnagar was 1.1% Severe and 24.799999999999997% Good-or-Satisfactory. Longest clean-air streaks: Howrah 120 days, Muzaffarnagar 25 days.
Year-over-year progress
Howrah has improved by 32 AQI points (20.3%) from 2016 to 2024; Muzaffarnagar has improved by 40 AQI points (18.3%) over the same window. The worst recorded day for Howrah reached AQI 500 at Ghusuri (WBPCB) on 2017-04-15; Muzaffarnagar hit AQI 446 at New Mandi (UPPCB) on 2019-01-02.
Station-level disparity
Howrah spans 5 CPCB stations with a 116-point spread (min 111, max 227); Muzaffarnagar spans 1 stations with a 0-point spread (min 183, max 183).
Verdict
🏆 Muzaffarnagar has better air quality with an AQI of 95 compared to Howrah's 130.