World most polluted cities 2018 (PM2.5)

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2018 World air quality report

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PM2.5 Legend
WHO target
Good
Moderate
Unhealthy for sensitive groups
Unhealthy
Very unhealthy
Hazardous
Unit: µg/m³
RankCity2017 AVG2018 AVGJANFEBMARAPRMAYJUNJULAUGSEPOCTNOVDEC
1Romania
Iasi, Romania
-2735.134.934.427.922.32024.520.5172924.831.4
2Romania
Cluj-Napoca, Romania
-21.426.119.222.621.817.115.9---26.721.7-
3Romania
Brasov, Romania
-21.34826.524.117.814.713.412.216.316.419.817.426.3
4Romania
Bucharest, Romania
-20.326.122.92619.817.714.812.817.41524.418.927.7
5Romania
Ploiesti, Romania
-19.428.522.729.517.915.215.315.51514.719--
6Romania
Magurele, Romania
-18.924.521.520.42216.414.111.316.716.421.917.928.8
7Romania
Timisoara, Romania
-18.625.921.62617.89.911.91215.116.623.422.322.9
8Romania
Arad, Romania
-17.924.724.727.926.512.38.911.714.51221.522-
9Romania
Scheia, Romania
-1719.22324.117.210.211.813.2-----
10Romania
Branistea, Romania
-16.815.611.915.312.61112.412.116.117.623.52033.9
11Romania
Sibiu, Romania
-16.1201417.222.31113.99.3-----
12Romania
Sancraieni, Romania
-15.1-29.930.613.59.67.55.811.77.49.9--
13Romania
Targu-Mures, Romania
-15.1--17.314.18.17.48.79.612.621.727.624.9
14Romania
Botosani, Romania
-14.82113.916.28.69.7119.113.117.617.12018.8
15Romania
Oradea, Romania
-14.7-26.728.45.910.58.611.112.410.219.7--
16Romania
Bacau, Romania
-14.6--1618.41110.911.213.412.520.217.919.6
17Romania
Satu Mare, Romania
-14.412.3--2411.69.71010.810.518.919.716.6
18Romania
Ramnicu Valcea, Romania
-14--14.712.86.86.75.58.38.617.221.938.6
19Romania
Valeni, Romania
-13.724.71417.510.58.2-7.88.713.8---
20Romania
Galati, Romania
-13.114.411.412.911.67.610.216.817.413.812.8--
21Romania
Braila, Romania
-12.510.452016.41311.310.916.7----
22Romania
Constanta, Romania
-12.411.413.41811.49.613.211.2109.918.1--

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