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Greece Health Impact

Translate PM2.5 exposure into WHO exceedance and a simple cigarette-equivalent indicator. This pilot covers 14 eligible cities with OpenAQ-derived daily AQI history.

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Greece health-impact overview

Cigs / day avg
0.7
Berkeley Earth heuristic
Life-years lost / person
1.1
EPIC AQLI coefficient
Cities above WHO annual AQG
100%
annual mean > 5 ug/m3
Cities measured
14
of 22 OpenAQ cities

Same PM2.5. Three standards. Three verdicts.

PM2.5 5 ug/m3
US EPA AQI28
WHO tierAQG
Cigs/day0.2
AQLI0.0 y
PM2.5 10 ug/m3
US EPA AQI53
WHO tierAQG
Cigs/day0.5
AQLI0.5 y
PM2.5 15 ug/m3
US EPA AQI62
WHO tierAQG
Cigs/day0.7
AQLI1.0 y
PM2.5 25 ug/m3
US EPA AQI81
WHO tierIT-4
Cigs/day1.1
AQLI2.0 y

Top 20 cities by cigarette-equivalent exposure

Using Berkeley Earth's 22 ug/m3 = 1 cigarette/day heuristic. Cigarette equivalence is a communication tool, not a clinical diagnosis.

#CityPM2.5Cigs/dayLife-yrs lostAvg AQI
1KalamariáKentrikí Makedonía31.1 ug/m31.42.6 y93
2KorydallósAttikí18.0 ug/m30.81.3 y65
3AthensAttikí17.8 ug/m30.81.3 y67
4AlexandroúpoliAnatolikí Makedonía kai Thráki17.8 ug/m30.81.3 y63
5ThessalonikiCentral Macedonia16.2 ug/m30.71.1 y63
6ThebesStereá Elláda15.8 ug/m30.71.1 y60
7PátraDytikí Elláda15.6 ug/m30.71.0 y56
8ElefsínaAttikí15.4 ug/m30.71.0 y62
9LykóvrysiAttikí14.5 ug/m30.70.9 y60
10VólosThessalía13.0 ug/m30.60.8 y55
11AcharnésAttikí11.9 ug/m30.50.7 y54
12PanóramaKentrikí Makedonía11.5 ug/m30.50.6 y50
13PiraeusAttikí11.4 ug/m30.50.6 y51
14CholargósAttikí10.1 ug/m30.50.5 y49

Methodology & sources

This page starts with OpenAQ PM2.5 and PM10 measurements mapped to AQI Now cities, then rolls daily city observations into city-level PM2.5 averages and US EPA AQI summaries. Health equivalents are screening indicators: useful for comparing exposure, not a clinical diagnosis.

Cigarette equivalence
22 ug/m3 = 1 cig/day

Muller & Muller, Berkeley Earth (2015), derived from Pope et al. 2002 and cigarette risk factors.

Life-years lost
0.098 y per ug/m3

EPIC Air Quality Life Index coefficient above the WHO annual PM2.5 baseline of 5 ug/m3.

WHO 2021 PM2.5
15 ug/m3 24-hr AQG

WHO tiers shown here use AQG 15, IT-4 25, IT-3 37.5, IT-2 50, IT-1 75 ug/m3.

Methodology

The extractor maps OpenAQ monitoring locations to the nearest AQI Now city in the same country, aggregates PM2.5 and PM10 to daily city averages, and converts those concentrations to US EPA AQI. Country tool pages use only city summaries that satisfy the configured minimum daily coverage threshold.

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