Kalyān vs Nārnaul
Side-by-side air quality comparison between Kalyān and Nārnaul.
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 | Kalyān | Nārnaul |
|---|---|---|
| PM2.5(µg/m³) | 22.80 | 45.40 |
| PM10(µg/m³) | 40.50 | 122.50 |
| NO₂(µg/m³) | 23.40 | 15.70 |
| SO₂(µg/m³) | 22.10 | 7.20 |
| O₃(µg/m³) | 18.00 | 73.00 |
| CO(µg/m³) | 187.00 | 379.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Kalyān averaged an AQI of 95 while Nārnaul averaged 94 — a 1-point (1%) gap, with Kalyān the more polluted and Nārnaul the cleaner of the two. On 1224 days when both cities reported, Kalyān was cleaner on 667 of them; the average daily gap was 56 AQI points.
Seasonality & days
Kalyān peaks in January, while Nārnaul peaks in November. Kalyān logged 0.1% Severe days and 46.4% Good-or-Satisfactory days; Nārnaul was 0.1% Severe and 40.8% Good-or-Satisfactory. Longest clean-air streaks: Kalyān 78 days, Nārnaul 63 days.
Year-over-year progress
Kalyān has improved by 4 AQI points (4%) from 2019 to 2024; Nārnaul has improved by 37 AQI points (28.2%) over the same window. The worst recorded day for Kalyān reached AQI 414 at Khadakpada (MPCB) on 2022-01-24; Nārnaul hit AQI 435 at Shastri Nagar (HSPCB) on 2023-11-16.
Station-level disparity
Kalyān spans 2 CPCB stations with a 18-point spread (min 98, max 116); Nārnaul spans 1 stations with a 0-point spread (min 130, max 130).
Verdict
🏆 Kalyān has better air quality with an AQI of 41 compared to Nārnaul's 116. That's a significant difference of 75 points.