Chandigarh vs Sirsa
Side-by-side air quality comparison between Chandigarh and Sirsa.
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 | Sirsa |
|---|---|---|
| PM2.5(µg/m³) | 46.30 | 70.50 |
| PM10(µg/m³) | 63.60 | 238.00 |
| NO₂(µg/m³) | 30.10 | 27.50 |
| SO₂(µg/m³) | 10.30 | 8.40 |
| O₃(µg/m³) | 64.00 | 54.00 |
| CO(µg/m³) | 602.00 | 316.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Chandigarh averaged an AQI of 153 while Sirsa averaged 115 — a 38-point (33%) gap, with Chandigarh the more polluted and Sirsa the cleaner of the two. On 1445 days when both cities reported, Chandigarh was cleaner on 761 of them; the average daily gap was 56 AQI points.
Seasonality & days
Chandigarh peaks in January, while Sirsa peaks in November. Chandigarh logged 0.3% Severe days and 39.9% Good-or-Satisfactory days; Sirsa was 0.5% Severe and 41.300000000000004% Good-or-Satisfactory. Longest clean-air streaks: Chandigarh 92 days, Sirsa 40 days.
Year-over-year progress
Chandigarh has worsened by 27 AQI points (21.4%) from 2019 to 2024; Sirsa has improved by 48 AQI points (29.4%) over the same window. The worst recorded day for Chandigarh reached AQI 452 at Sector-53 (CPCC) on 2022-11-09; Sirsa hit AQI 462 at F-Block (HSPCB) on 2019-11-01.
Station-level disparity
Chandigarh spans 3 CPCB stations with a 43-point spread (min 107, max 150); Sirsa spans 1 stations with a 0-point spread (min 132, max 132).
Verdict
🏆 Chandigarh has better air quality with an AQI of 78 compared to Sirsa's 192. That's a significant difference of 114 points.