Cuttack vs Purnia
Side-by-side air quality comparison between Cuttack and Purnia.
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 | Cuttack | Purnia |
|---|---|---|
| PM2.5(µg/m³) | 28.80 | 112.00 |
| PM10(µg/m³) | 32.60 | 115.70 |
| NO₂(µg/m³) | 11.40 | 31.10 |
| SO₂(µg/m³) | 10.00 | 18.40 |
| O₃(µg/m³) | 84.00 | 42.00 |
| CO(µg/m³) | 482.00 | 756.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Cuttack averaged an AQI of 112 while Purnia averaged 133 — a 21-point (19%) gap, with Purnia the more polluted and Cuttack the cleaner of the two. On 320 days when both cities reported, Cuttack was cleaner on 189 of them; the average daily gap was 63 AQI points.
Seasonality & days
Both cities see their worst air in January on average. Cuttack logged 0% Severe days and 52.5% Good-or-Satisfactory days; Purnia was 3.7% Severe and 33.699999999999996% Good-or-Satisfactory. Longest clean-air streaks: Cuttack 29 days, Purnia 14 days.
Year-over-year progress
Cuttack has improved by 89 AQI points (44.3%) from 2023 to 2024; Purnia has improved by 163 AQI points (55.1%) over the same window. The worst recorded day for Cuttack reached AQI 355 at CDA Area (OSPCB) on 2023-11-13; Purnia hit AQI 460 at Mariam Nagar (BSPCB) on 2022-12-15.
Station-level disparity
Cuttack spans 1 CPCB stations with a 0-point spread (min 125, max 125); Purnia spans 1 stations with a 0-point spread (min 176, max 176).
Verdict
🏆 Cuttack has better air quality with an AQI of 48 compared to Purnia's 274. That's a significant difference of 226 points.