Chapra vs Patiala
Side-by-side air quality comparison between Chapra and Patiala.
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 | Chapra | Patiala |
|---|---|---|
| PM2.5(µg/m³) | 102.90 | 79.40 |
| PM10(µg/m³) | 117.10 | 380.90 |
| NO₂(µg/m³) | 42.70 | 13.60 |
| SO₂(µg/m³) | 15.30 | 13.50 |
| O₃(µg/m³) | 46.00 | 90.00 |
| CO(µg/m³) | 805.00 | 640.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Chapra averaged an AQI of 149 while Patiala averaged 103 — a 46-point (45%) gap, with Chapra the more polluted and Patiala the cleaner of the two. On 956 days when both cities reported, Patiala was cleaner on 767 of them; the average daily gap was 101 AQI points.
Seasonality & days
Chapra peaks in January, while Patiala peaks in November. Chapra logged 2.4% Severe days and 26.8% Good-or-Satisfactory days; Patiala was 0.1% Severe and 54.8% Good-or-Satisfactory. Longest clean-air streaks: Chapra 14 days, Patiala 86 days.
Year-over-year progress
Chapra has improved by 181 AQI points (54.8%) from 2021 to 2024; Patiala has worsened by 8 AQI points (8.4%) over the same window. The worst recorded day for Chapra reached AQI 452 at Darshan Nagar (BSPCB) on 2022-12-20; Patiala hit AQI 415 at Model Town (PPCB) on 2019-11-03.
Station-level disparity
Chapra spans 1 CPCB stations with a 0-point spread (min 195, max 195); Patiala spans 1 stations with a 0-point spread (min 104, max 104).
Verdict
🏆 Chapra has better air quality with an AQI of 244 compared to Patiala's 339. That's a significant difference of 95 points.