Karur vs Nagpur
Side-by-side air quality comparison between Karur and Nagpur.
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 | Karur | Nagpur |
|---|---|---|
| PM2.5(µg/m³) | 3.80 | 20.30 |
| PM10(µg/m³) | 4.40 | 25.30 |
| NO₂(µg/m³) | 7.30 | 23.20 |
| SO₂(µg/m³) | 2.70 | 12.30 |
| O₃(µg/m³) | 37.00 | 42.00 |
| CO(µg/m³) | 117.00 | 174.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Karur averaged an AQI of 71 while Nagpur averaged 104 — a 33-point (46%) gap, with Nagpur the more polluted and Karur the cleaner of the two. On 71 days when both cities reported, Karur was cleaner on 69 of them; the average daily gap was 96 AQI points.
Seasonality & days
Karur peaks in December, while Nagpur peaks in November. Karur logged 0% Severe days and 80.3% Good-or-Satisfactory days; Nagpur was 0% Severe and 60.599999999999994% Good-or-Satisfactory. Longest clean-air streaks: Karur 34 days, Nagpur 68 days.
Year-over-year progress
The worst recorded day for Karur reached AQI 149 at Kamadenu Nagar (TNPCB) on 2024-11-26; Nagpur hit AQI 342 at Opp GPO Civil Lines (MPCB) on 2022-12-03.
Station-level disparity
Karur spans 1 CPCB stations with a 0-point spread (min 71, max 71); Nagpur spans 4 stations with a 9-point spread (min 98, max 107).
Verdict
🏆 Karur has better air quality with an AQI of 6 compared to Nagpur's 34.