Chandigarh vs Nārnaul
Side-by-side air quality comparison between Chandigarh 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 | Chandigarh | Nārnaul |
|---|---|---|
| PM2.5(µg/m³) | 46.30 | 45.40 |
| PM10(µg/m³) | 63.60 | 126.20 |
| NO₂(µg/m³) | 30.10 | 12.40 |
| SO₂(µg/m³) | 10.30 | 7.70 |
| O₃(µg/m³) | 64.00 | 86.00 |
| CO(µg/m³) | 602.00 | 365.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Chandigarh averaged an AQI of 153 while Nārnaul averaged 94 — a 59-point (63%) gap, with Chandigarh the more polluted and Nārnaul the cleaner of the two. On 1677 days when both cities reported, Nārnaul was cleaner on 923 of them; the average daily gap was 68 AQI points.
Seasonality & days
Chandigarh peaks in January, while Nārnaul peaks in November. Chandigarh logged 0.3% Severe days and 39.9% Good-or-Satisfactory days; Nārnaul was 0.1% Severe and 40.8% Good-or-Satisfactory. Longest clean-air streaks: Chandigarh 92 days, Nārnaul 63 days.
Year-over-year progress
Chandigarh has worsened by 27 AQI points (21.4%) from 2019 to 2024; Nārnaul has improved by 37 AQI points (28.2%) over the same window. The worst recorded day for Chandigarh reached AQI 452 at Sector-53 (CPCC) on 2022-11-09; Nārnaul hit AQI 435 at Shastri Nagar (HSPCB) on 2023-11-16.
Station-level disparity
Chandigarh spans 3 CPCB stations with a 43-point spread (min 107, max 150); Nārnaul spans 1 stations with a 0-point spread (min 130, max 130).
Verdict
🏆 Chandigarh has better air quality with an AQI of 78 compared to Nārnaul's 118.