Alwar vs Cuddalore
Side-by-side air quality comparison between Alwar and Cuddalore.
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 | Alwar | Cuddalore |
|---|---|---|
| PM2.5(µg/m³) | 58.70 | 15.00 |
| PM10(µg/m³) | 158.30 | 18.20 |
| NO₂(µg/m³) | 14.30 | 15.90 |
| SO₂(µg/m³) | 8.50 | 10.00 |
| O₃(µg/m³) | 76.00 | 39.00 |
| CO(µg/m³) | 357.00 | 353.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Alwar averaged an AQI of 88 while Cuddalore averaged 52 — a 36-point (69%) gap, with Alwar the more polluted and Cuddalore the cleaner of the two. On 314 days when both cities reported, Cuddalore was cleaner on 263 of them; the average daily gap was 40 AQI points.
Seasonality & days
Alwar peaks in November, while Cuddalore peaks in January. Alwar logged 0% Severe days and 70.2% Good-or-Satisfactory days; Cuddalore was 0% Severe and 90.6% Good-or-Satisfactory. Longest clean-air streaks: Alwar 97 days, Cuddalore 34 days.
Year-over-year progress
The worst recorded day for Alwar reached AQI 356 at Moti Doongri (RSPCB) on 2017-11-11; Cuddalore hit AQI 329 at Kudikadu (TNPCB) on 2024-04-05.
Station-level disparity
Alwar spans 1 CPCB stations with a 0-point spread (min 95, max 95); Cuddalore spans 2 stations with a 11-point spread (min 46, max 57).
Verdict
🏆 Cuddalore has better air quality with an AQI of 25 compared to Alwar's 139. That's a significant difference of 114 points.