Gaya vs Karur
Side-by-side air quality comparison between Gaya and Karur.
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 | Gaya | Karur |
|---|---|---|
| PM2.5(µg/m³) | 61.20 | 3.80 |
| PM10(µg/m³) | 73.80 | 4.20 |
| NO₂(µg/m³) | 16.60 | 6.80 |
| SO₂(µg/m³) | 13.20 | 3.00 |
| O₃(µg/m³) | 86.00 | 38.00 |
| CO(µg/m³) | 309.00 | 131.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Gaya averaged an AQI of 110 while Karur averaged 71 — a 39-point (55%) gap, with Gaya the more polluted and Karur the cleaner of the two. On 71 days when both cities reported, Karur was cleaner on 70 of them; the average daily gap was 133 AQI points.
Seasonality & days
Gaya peaks in January, while Karur peaks in December. Gaya logged 1.7% Severe days and 32% Good-or-Satisfactory days; Karur was 0% Severe and 80.3% Good-or-Satisfactory. Longest clean-air streaks: Gaya 52 days, Karur 34 days.
Year-over-year progress
The worst recorded day for Gaya reached AQI 500 at Collectorate (BSPCB) on 2016-10-15; Karur hit AQI 149 at Kamadenu Nagar (TNPCB) on 2024-11-26.
Station-level disparity
Gaya spans 3 CPCB stations with a 85-point spread (min 88, max 173); Karur spans 1 stations with a 0-point spread (min 71, max 71).
Verdict
🏆 Karur has better air quality with an AQI of 6 compared to Gaya's 105. That's a significant difference of 99 points.