Howrah vs Panchkula
Side-by-side air quality comparison between Howrah and Panchkula.
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 | Panchkula |
|---|---|---|
| PM2.5(µg/m³) | 64.70 | 46.30 |
| PM10(µg/m³) | 69.40 | 63.60 |
| NO₂(µg/m³) | 18.10 | 30.10 |
| SO₂(µg/m³) | 13.10 | 10.30 |
| O₃(µg/m³) | 86.00 | 64.00 |
| CO(µg/m³) | 421.00 | 602.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Howrah averaged an AQI of 126 while Panchkula averaged 117 — a 9-point (8%) gap, with Howrah the more polluted and Panchkula the cleaner of the two. On 1646 days when both cities reported, Panchkula was cleaner on 1149 of them; the average daily gap was 88 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; Panchkula was 0.1% Severe and 61.9% Good-or-Satisfactory. Longest clean-air streaks: Howrah 120 days, Panchkula 60 days.
Year-over-year progress
Howrah has improved by 32 AQI points (20.3%) from 2016 to 2024; Panchkula has improved by 74 AQI points (38.7%) over the same window. The worst recorded day for Howrah reached AQI 500 at Ghusuri (WBPCB) on 2017-04-15; Panchkula hit AQI 474 at Sector-6 Panchkula () on 2018-06-15.
Station-level disparity
Howrah spans 5 CPCB stations with a 116-point spread (min 111, max 227); Panchkula spans 1 stations with a 0-point spread (min 102, max 102).
Verdict
🏆 Panchkula has better air quality with an AQI of 78 compared to Howrah's 117.