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Araria vs Ulhasnagar

Side-by-side air quality comparison between Araria and Ulhasnagar.

Cleaner right now: Ulhasnagar (217-pt gap)Historical head-to-head: Ulhasnagar cleaner 217/358 daysYoY 20212024: Araria -26.8% · Ulhasnagar -7.9%

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

Araria

Bihar, India

Poor

PM2.5: 106.9 µg/m³

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VS
🏆 Cleaner

Ulhasnagar

Maharashtra, India

Good

PM2.5: 22.1 µg/m³

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Pollutant-level comparison (PM2.5, PM10, O3, NO2, SO2, CO)
PollutantArariaUlhasnagar
PM2.5(µg/m³)106.9022.10
PM10(µg/m³)110.8040.40
NO₂(µg/m³)29.1023.10
SO₂(µg/m³)11.6021.70
O₃(µg/m³)31.0019.00
CO(µg/m³)809.00208.00

CPCB Multi-Year History (2016–2024)

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Summary

Overview

In 2024, Araria averaged an AQI of 167 while Ulhasnagar averaged 117 — a 50-point (43%) gap, with Araria the more polluted and Ulhasnagar the cleaner of the two. On 358 days when both cities reported, Ulhasnagar was cleaner on 217 of them; the average daily gap was 61 AQI points.

Seasonality & days

Both cities see their worst air in January on average. Araria logged 0% Severe days and 28.5% Good-or-Satisfactory days; Ulhasnagar was 0% Severe and 46.9% Good-or-Satisfactory. Longest clean-air streaks: Araria 14 days, Ulhasnagar 74 days.

Year-over-year progress

Araria has improved by 61 AQI points (26.8%) from 2021 to 2024; Ulhasnagar has improved by 10 AQI points (7.9%) over the same window. The worst recorded day for Araria reached AQI 399 at Kharahiya Basti (BSPCB) on 2024-01-31; Ulhasnagar hit AQI 319 at Sidhi Vinayak Nagar (MPCB) on 2023-11-13.

Station-level disparity

Araria spans 1 CPCB stations with a 0-point spread (min 173, max 173); Ulhasnagar spans 1 stations with a 0-point spread (min 120, max 120).

Verdict

🏆 Ulhasnagar has better air quality with an AQI of 40 compared to Araria's 257. That's a significant difference of 217 points.

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