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Mumbai vs Nalbāri

Side-by-side air quality comparison between Mumbai and Nalbāri.

Cleaner right now: Mumbai (50-pt gap)Historical head-to-head: Nalbāri cleaner 268/359 daysYoY 20162024: Mumbai -4.1% · Nalbāri -35.8%

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

Mumbai

Maharashtra, India

Good

PM2.5: 17.5 µg/m³

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VS

Nalbāri

Assam, India

Satisfactory

PM2.5: 54.5 µg/m³

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Pollutant-level comparison (PM2.5, PM10, O3, NO2, SO2, CO)
PollutantMumbaiNalbāri
PM2.5(µg/m³)17.5054.50
PM10(µg/m³)40.7061.20
NO₂(µg/m³)11.006.50
SO₂(µg/m³)12.605.80
O₃(µg/m³)42.00123.00
CO(µg/m³)196.00407.00

CPCB Multi-Year History (2016–2024)

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Summary

Overview

In 2024, Mumbai averaged an AQI of 93 while Nalbāri averaged 129 — a 36-point (39%) gap, with Nalbāri the more polluted and Mumbai the cleaner of the two. On 359 days when both cities reported, Nalbāri was cleaner on 268 of them; the average daily gap was 87 AQI points.

Seasonality & days

Mumbai peaks in December, while Nalbāri peaks in January. Mumbai logged 0.5% Severe days and 34% Good-or-Satisfactory days; Nalbāri was 0% Severe and 41% Good-or-Satisfactory. Longest clean-air streaks: Mumbai 58 days, Nalbāri 18 days.

Year-over-year progress

Mumbai has improved by 4 AQI points (4.1%) from 2016 to 2024; Nalbāri has improved by 72 AQI points (35.8%) over the same window. The worst recorded day for Mumbai reached AQI 500 at Vile Parle West (MPCB) on 2022-08-15; Nalbāri hit AQI 384 at Bata Chowk (PCBA) on 2024-01-08.

Station-level disparity

Mumbai spans 29 CPCB stations with a 74-point spread (min 77, max 151); Nalbāri spans 1 stations with a 0-point spread (min 141, max 141).

Verdict

🏆 Mumbai has better air quality with an AQI of 41 compared to Nalbāri's 91.

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