Gorakhpur vs Kalyān
Side-by-side air quality comparison between Gorakhpur and Kalyān.
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 | Gorakhpur | Kalyān |
|---|---|---|
| PM2.5(µg/m³) | 104.10 | 22.10 |
| PM10(µg/m³) | 118.70 | 40.40 |
| NO₂(µg/m³) | 73.90 | 23.10 |
| SO₂(µg/m³) | 17.40 | 21.70 |
| O₃(µg/m³) | 0.00 | 19.00 |
| CO(µg/m³) | 522.00 | 174.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Gorakhpur averaged an AQI of 109 while Kalyān averaged 95 — a 14-point (15%) gap, with Gorakhpur the more polluted and Kalyān the cleaner of the two. On 762 days when both cities reported, Gorakhpur was cleaner on 477 of them; the average daily gap was 50 AQI points.
Seasonality & days
Gorakhpur peaks in November, while Kalyān peaks in January. Gorakhpur logged 0% Severe days and 57.099999999999994% Good-or-Satisfactory days; Kalyān was 0.1% Severe and 46.4% Good-or-Satisfactory. Longest clean-air streaks: Gorakhpur 62 days, Kalyān 78 days.
Year-over-year progress
Gorakhpur has worsened by 7 AQI points (6.9%) from 2021 to 2024; Kalyān has improved by 4 AQI points (4%) over the same window. The worst recorded day for Gorakhpur reached AQI 393 at Madan Mohan Malaviya University of Technology (UPPCB) on 2021-11-09; Kalyān hit AQI 414 at Khadakpada (MPCB) on 2022-01-24.
Station-level disparity
Gorakhpur spans 1 CPCB stations with a 0-point spread (min 99, max 99); Kalyān spans 2 stations with a 18-point spread (min 98, max 116).
Verdict
🏆 Kalyān has better air quality with an AQI of 40 compared to Gorakhpur's 248. That's a significant difference of 208 points.