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Ariyalur vs Solapur

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

Cleaner right now: Ariyalur (12-pt gap)Historical head-to-head: Ariyalur cleaner 301/314 daysYoY 20222024: Ariyalur -43.2% · Solapur -31.9%

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

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VS

Solapur

Maharashtra, India

Good

PM2.5: 13.6 µg/m³

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Pollutant-level comparison (PM2.5, PM10, O3, NO2, SO2, CO)
PollutantAriyalurSolapur
PM2.5(µg/m³)6.8013.60
PM10(µg/m³)8.3022.30
NO₂(µg/m³)7.506.60
SO₂(µg/m³)6.503.10
O₃(µg/m³)43.0046.00
CO(µg/m³)133.00150.00

CPCB Multi-Year History (2016–2024)

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Summary

Overview

In 2024, Ariyalur averaged an AQI of 46 while Solapur averaged 96 — a 50-point (109%) gap, with Solapur the more polluted and Ariyalur the cleaner of the two. On 314 days when both cities reported, Ariyalur was cleaner on 301 of them; the average daily gap was 75 AQI points.

Seasonality & days

Both cities see their worst air in March on average. Ariyalur logged 0% Severe days and 93.8% Good-or-Satisfactory days; Solapur was 0% Severe and 52.7% Good-or-Satisfactory. Longest clean-air streaks: Ariyalur 57 days, Solapur 61 days.

Year-over-year progress

Ariyalur has improved by 35 AQI points (43.2%) from 2022 to 2024; Solapur has improved by 45 AQI points (31.9%) over the same window. The worst recorded day for Ariyalur reached AQI 221 at Keelapalur (TNPCB) on 2024-04-07; Solapur hit AQI 266 at Solapur (MPCB) on 2018-03-03.

Station-level disparity

Ariyalur spans 1 CPCB stations with a 0-point spread (min 51, max 51); Solapur spans 3 stations with a 10-point spread (min 88, max 98).

Verdict

🏆 Ariyalur has better air quality with an AQI of 11 compared to Solapur's 23.

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