Countries with the Worst Air Pollution (PM2.5) 2024

Source: IQAir

Countries with the Worst Air Pollution (PM2.5) 2024

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Key Findings

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Bangladesh leads in Annual PM2.5 (μg/m³) with 79.90 in 2024.

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Average Annual PM2.5 (μg/m³) in 2024: 56.06 · median: 50.80.

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Gap in 2024: Bangladesh is 1.9× larger than Egypt.

About This Dataset

Countries with the Worst Air Pollution (PM2.5) 2024

Countries ranked by annual mean PM2.5 concentration in micrograms per cubic metre in 2024 according to IQAir World Air Quality Report. South Asian and Central African nations consistently record the world's worst air quality, with Bangladesh, Pakistan, and India frequently topping the list of most polluted countries. AI-assisted data.

Analysis

The top three in Annual PM2.5 (μg/m³) in 2024 are Bangladesh (79.9), Pakistan (73.7) and India (54.4). The 8 entries in Annual PM2.5 (μg/m³) cover a range of 37.2, from 79.9 down to 42.7. First and second are separated by 6.20, so the leader sits inside the field rather than apart from it. The other 6 are bunched between 42.7 and 54.4 Annual PM2.5 (μg/m³).

Data Insights Below

Data Insights

Numbers, trends & sources behind this chart

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Data Points

8 categories · 1 year

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Top Value

79.90

Bangladesh

Annual PM2.5 (μg/m³) · 2024

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Metrics

Annual PM2.5 (μg/m³)

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Period

2024

Single year snapshot

Methodology & source

Data source: IQAir
Coverage: 8 entities · 2024 · 8 observations
Measure: Annual PM2.5 (μg/m³)
Last updated: 6 September 2026
Compiled by: The ANYSTAT team, from the source above

How the figures are calculated

Values use the measure and unit named on this page. Consult the dataset description and cited source for coverage, definitions and any unit conversions. Displayed values may be rounded for readability.
Entities are ranked highest-first on their value in 2024.

Rankings & Full Data

8 records · Annual PM2.5 (μg/m³) · ranked by 2024

✓ 8 sourced

#	Category	2024
🥇	Bangladesh	79.90
🥈	Pakistan	73.70
🥉	India	54.40
4	Tajikistan	51.60
5	Burkina Faso	50
6	Iraq	49.70
7	Nepal	46.50
8	Egypt	42.70

Data Sources & References

All external sources cited in this dataset

1 https://www.iqair.com/world-most-polluted-countries Visit ↗

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How these countries rank across all our charts

Each country's page lists its position in every ranking on ANYSTAT.

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APA

ANYSTAT. (2026). Countries with the Worst Air Pollution (PM2.5) 2024 [Data set]. Data: IQAir. https://anystat.ai/stats/200/countries-highest-air-pollution-pm25-2024

MLA

"Countries with the Worst Air Pollution (PM2.5) 2024." ANYSTAT, 6 Sep. 2026, https://anystat.ai/stats/200/countries-highest-air-pollution-pm25-2024.

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<a href="https://anystat.ai/stats/200/countries-highest-air-pollution-pm25-2024">Countries with the Worst Air Pollution (PM2.5) 2024</a> (ANYSTAT)

Countries with the Worst Air Pollution (PM2.5) 2024