Chandigarh vs Chapra
Side-by-side air quality comparison between Chandigarh and Chapra.
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 | Chapra |
|---|---|---|
| PM2.5(µg/m³) | 50.90 | 99.00 |
| PM10(µg/m³) | 66.80 | 115.50 |
| NO₂(µg/m³) | 44.60 | 53.70 |
| SO₂(µg/m³) | 8.10 | 13.70 |
| O₃(µg/m³) | 11.00 | 10.00 |
| CO(µg/m³) | 714.00 | 858.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Chandigarh averaged an AQI of 153 while Chapra averaged 149 — a 4-point (3%) gap, with Chandigarh the more polluted and Chapra the cleaner of the two. On 965 days when both cities reported, Chandigarh was cleaner on 580 of them; the average daily gap was 73 AQI points.
Seasonality & days
Both cities see their worst air in January on average. Chandigarh logged 0.3% Severe days and 39.9% Good-or-Satisfactory days; Chapra was 2.4% Severe and 26.8% Good-or-Satisfactory. Longest clean-air streaks: Chandigarh 92 days, Chapra 14 days.
Year-over-year progress
Chandigarh has worsened by 27 AQI points (21.4%) from 2019 to 2024; Chapra has improved by 181 AQI points (54.8%) over the same window. The worst recorded day for Chandigarh reached AQI 452 at Sector-53 (CPCC) on 2022-11-09; Chapra hit AQI 452 at Darshan Nagar (BSPCB) on 2022-12-20.
Station-level disparity
Chandigarh spans 3 CPCB stations with a 43-point spread (min 107, max 150); Chapra spans 1 stations with a 0-point spread (min 195, max 195).
Verdict
🏆 Chandigarh has better air quality with an AQI of 85 compared to Chapra's 231. That's a significant difference of 146 points.