Skip to content

Ariyalur vs Aurangabad

Side-by-side air quality comparison between Ariyalur and Aurangabad.

Cleaner right now: Ariyalur (20-pt gap)Historical head-to-head: Ariyalur cleaner 296/313 daysYoY 20222024: Ariyalur -43.2% · Aurangabad -29.3%

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

🏆 Cleaner

Ariyalur

Tamil Nadu, India

Good

PM2.5: 6.8 µg/m³

View full AQI →
VS

Aurangabad

Maharashtra, India

Good

PM2.5: 17.4 µg/m³

View full AQI →
Pollutant-level comparison (PM2.5, PM10, O3, NO2, SO2, CO)
PollutantAriyalurAurangabad
PM2.5(µg/m³)6.8017.40
PM10(µg/m³)8.3030.90
NO₂(µg/m³)7.5011.00
SO₂(µg/m³)6.5013.80
O₃(µg/m³)43.0038.00
CO(µg/m³)133.00166.00

CPCB Multi-Year History (2016–2024)

Loading historical data…

Summary

Overview

In 2024, Ariyalur averaged an AQI of 46 while Aurangabad averaged 99 — a 53-point (115%) gap, with Aurangabad the more polluted and Ariyalur the cleaner of the two. On 313 days when both cities reported, Ariyalur was cleaner on 296 of them; the average daily gap was 81 AQI points.

Seasonality & days

Ariyalur peaks in March, while Aurangabad peaks in January. Ariyalur logged 0% Severe days and 93.8% Good-or-Satisfactory days; Aurangabad was 0.1% Severe and 58.3% Good-or-Satisfactory. Longest clean-air streaks: Ariyalur 57 days, Aurangabad 46 days.

Year-over-year progress

Ariyalur has improved by 35 AQI points (43.2%) from 2022 to 2024; Aurangabad has improved by 41 AQI points (29.3%) over the same window. The worst recorded day for Ariyalur reached AQI 221 at Keelapalur (TNPCB) on 2024-04-07; Aurangabad hit AQI 436 at More Chowk Waluj (MPCB) on 2024-09-16.

Station-level disparity

Ariyalur spans 1 CPCB stations with a 0-point spread (min 51, max 51); Aurangabad spans 4 stations with a 87-point spread (min 91, max 178).

Verdict

🏆 Ariyalur has better air quality with an AQI of 11 compared to Aurangabad's 31.

Popular Comparisons