Chandigarh vs Sagar
Side-by-side air quality comparison between Chandigarh and Sagar.
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 | Sagar |
|---|---|---|
| PM2.5(µg/m³) | 46.30 | 24.90 |
| PM10(µg/m³) | 63.60 | 41.00 |
| NO₂(µg/m³) | 30.10 | 11.80 |
| SO₂(µg/m³) | 10.30 | 4.10 |
| O₃(µg/m³) | 64.00 | 61.00 |
| CO(µg/m³) | 602.00 | 211.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Chandigarh averaged an AQI of 153 while Sagar averaged 96 — a 57-point (59%) gap, with Chandigarh the more polluted and Sagar the cleaner of the two. On 1309 days when both cities reported, Sagar was cleaner on 1021 of them; the average daily gap was 62 AQI points.
Seasonality & days
Chandigarh peaks in January, while Sagar peaks in November. Chandigarh logged 0.3% Severe days and 39.9% Good-or-Satisfactory days; Sagar was 0% Severe and 69.9% Good-or-Satisfactory. Longest clean-air streaks: Chandigarh 92 days, Sagar 57 days.
Year-over-year progress
Chandigarh has worsened by 27 AQI points (21.4%) from 2019 to 2024; Sagar has worsened by 24 AQI points (33.3%) over the same window. The worst recorded day for Chandigarh reached AQI 452 at Sector-53 (CPCC) on 2022-11-09; Sagar hit AQI 347 at Civil Lines (MPPCB) on 2024-12-25.
Station-level disparity
Chandigarh spans 3 CPCB stations with a 43-point spread (min 107, max 150); Sagar spans 2 stations with a 45-point spread (min 73, max 118).
Verdict
🏆 Sagar has better air quality with an AQI of 42 compared to Chandigarh's 78.