Table 1 Ranges of annual average concentrations of PM10, NO2, SO2 and 1 h average maximum concentrations of ozone for different regions, based on selection of urban data (μg/m3)
From: Air pollution and population health: a global challenge
Region | Annual average concentration | Ozone (1 h maximum concentration) | ||
|---|---|---|---|---|
PM10 | Nitrogen dioxide | Sulfur dioxide | ||
Africa | 40–150 | 35–65 | 10–100 | 120–300 |
Asia | 35–220 | 20–75 | 6–65 | 100–250 |
Australia/New Zealand | 28–127 | 11–28 | 3–17 | 120–310 |
Canada/United States | 20–60 | 35–70 | 9–35 | 150–380 |
Europe | 20–70 | 18–57 | 8–36 | 150–350 |
Latin America | 30–129 | 30–82 | 40–70 | 200–600 |