Table 3 Mean annual increase in PM2.5 concentration (μg/m3) due to peatland fires, by year and province
Province | 2013 (typical rainfall) | 2014 (dry year) | 2015 (dry year) | 2016 (wet year) | 2017 (wet year) | 2013–17 |
|---|---|---|---|---|---|---|
Sumatra | 5.4 | 7.8 | 16.8 | 0.9 | 2.2 | 6.6 |
 Aceh | 1.2 | 0.0 | 3.2 | 0.0 | 0.8 | 1.0 |
 Jambi | 10.4 | 19.5 | 34.5 | 1.9 | 4.3 | 14.0 |
 Riau | 12.5 | 20.5 | 26.1 | 0.0 | 1.2 | 11.9 |
 South Sumatra | 10.8 | 19.0 | 33.4 | 3.5 | 5.1 | 14.3 |
 North Sumatra | 0.8 | 0.0 | 8.3 | 0.0 | 0.0 | 1.8 |
 Bangka Belitung | 6.5 | 8.4 | 17.4 | 4.6 | 3.4 | 8.0 |
 Riau Islands | 7.6 | 7.3 | 13.3 | 4.1 | 1.9 | 6.8 |
 Lampung | 5.8 | 4.2 | 8.5 | 0.0 | 4.3 | 4.5 |
 West Sumatra | 0.0 | 1.8 | 18.5 | 0.0 | 0.6 | 4.2 |
 Bengkulu | 5.6 | 7.1 | 16.5 | 0.0 | 3.0 | 6.4 |
Kalimantan | 4.1 | 13.3 | 21.3 | 0.6 | 0.9 | 8.0 |
 West Kalimantan | 4.6 | 12.9 | 22.8 | 0.6 | 0.5 | 8.2 |
 South Kalimantan | 3.2 | 10.6 | 18.2 | 0.7 | 1.4 | 6.8 |
 Central Kalimantan | 4.2 | 25.1 | 33.1 | 0.0 | 1.2 | 12.6 |
 East + North Kalimantan | 4.1 | 9.4 | 15.3 | 0.8 | 0.9 | 6.0 |