Ariyalur vs Nayāgarh
Side-by-side air quality comparison between Ariyalur 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 | Ariyalur | Nayāgarh |
|---|---|---|
| PM2.5(µg/m³) | 4.20 | 30.40 |
| PM10(µg/m³) | 4.90 | 41.60 |
| NO₂(µg/m³) | 2.50 | 1.10 |
| SO₂(µg/m³) | 8.20 | 7.40 |
| O₃(µg/m³) | 89.00 | 158.00 |
| CO(µg/m³) | 137.00 | 219.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Ariyalur averaged an AQI of 46 while Nayāgarh averaged 98 — a 52-point (113%) gap, with Nayāgarh the more polluted and Ariyalur the cleaner of the two. On 512 days when both cities reported, Ariyalur was cleaner on 442 of them; the average daily gap was 68 AQI points.
Seasonality & days
Ariyalur peaks in March, while Nayāgarh peaks in April. Ariyalur logged 0% Severe days and 93.8% Good-or-Satisfactory days; Nayāgarh was 0% Severe and 47.400000000000006% Good-or-Satisfactory. Longest clean-air streaks: Ariyalur 57 days, Nayāgarh 52 days.
Year-over-year progress
Ariyalur has improved by 35 AQI points (43.2%) from 2022 to 2024; Nayāgarh has improved by 48 AQI points (32.9%) over the same window. The worst recorded day for Ariyalur reached AQI 221 at Keelapalur (TNPCB) on 2024-04-07; Nayāgarh hit AQI 336 at Dabuna (OSPCB) on 2023-03-13.
Station-level disparity
Ariyalur spans 1 CPCB stations with a 0-point spread (min 51, max 51); Nayāgarh spans 1 stations with a 0-point spread (min 116, max 116).
Verdict
🏆 Ariyalur has better air quality with an AQI of 7 compared to Nayāgarh's 52.