Ariyalur vs Korba
Side-by-side air quality comparison between Ariyalur and Korba.
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 | Korba |
|---|---|---|
| PM2.5(µg/m³) | 6.90 | 48.10 |
| PM10(µg/m³) | 8.80 | 56.60 |
| NO₂(µg/m³) | 8.10 | 15.00 |
| SO₂(µg/m³) | 5.20 | 20.40 |
| O₃(µg/m³) | 41.00 | 86.00 |
| CO(µg/m³) | 133.00 | 325.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Ariyalur averaged an AQI of 46 while Korba averaged 67 — a 21-point (46%) gap, with Korba the more polluted and Ariyalur the cleaner of the two. On 575 days when both cities reported, Ariyalur was cleaner on 434 of them; the average daily gap was 38 AQI points.
Seasonality & days
Ariyalur peaks in March, while Korba peaks in January. Ariyalur logged 0% Severe days and 93.8% Good-or-Satisfactory days; Korba was 0% Severe and 78.8% Good-or-Satisfactory. Longest clean-air streaks: Ariyalur 57 days, Korba 83 days.
Year-over-year progress
Ariyalur has improved by 35 AQI points (43.2%) from 2022 to 2024; Korba has improved by 19 AQI points (22.1%) over the same window. The worst recorded day for Ariyalur reached AQI 221 at Keelapalur (TNPCB) on 2024-04-07; Korba hit AQI 313 at Urja Nagar (CECB) on 2023-01-04.
Station-level disparity
Ariyalur spans 1 CPCB stations with a 0-point spread (min 51, max 51); Korba spans 2 stations with a 13-point spread (min 62, max 75).
Verdict
🏆 Ariyalur has better air quality with an AQI of 12 compared to Korba's 81. That's a significant difference of 69 points.