Chapra vs Nayāgarh
Side-by-side air quality comparison between Chapra and Nayāgarh.
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 | Nayāgarh |
|---|---|---|
| PM2.5(µg/m³) | 102.90 | 43.90 |
| PM10(µg/m³) | 117.10 | 48.80 |
| NO₂(µg/m³) | 42.70 | 10.80 |
| SO₂(µg/m³) | 15.30 | 8.30 |
| O₃(µg/m³) | 46.00 | 79.00 |
| CO(µg/m³) | 805.00 | 439.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Chapra averaged an AQI of 149 while Nayāgarh averaged 98 — a 51-point (52%) gap, with Chapra the more polluted and Nayāgarh the cleaner of the two. On 562 days when both cities reported, Nayāgarh was cleaner on 454 of them; the average daily gap was 88 AQI points.
Seasonality & days
Chapra peaks in January, while Nayāgarh peaks in April. Chapra logged 2.4% Severe days and 26.8% Good-or-Satisfactory days; Nayāgarh was 0% Severe and 47.400000000000006% Good-or-Satisfactory. Longest clean-air streaks: Chapra 14 days, Nayāgarh 52 days.
Year-over-year progress
Chapra has improved by 181 AQI points (54.8%) from 2021 to 2024; Nayāgarh has improved by 48 AQI points (32.9%) over the same window. The worst recorded day for Chapra reached AQI 452 at Darshan Nagar (BSPCB) on 2022-12-20; Nayāgarh hit AQI 336 at Dabuna (OSPCB) on 2023-03-13.
Station-level disparity
Chapra spans 1 CPCB stations with a 0-point spread (min 195, max 195); Nayāgarh spans 1 stations with a 0-point spread (min 116, max 116).
Verdict
🏆 Nayāgarh has better air quality with an AQI of 74 compared to Chapra's 244. That's a significant difference of 170 points.