City

Annual mean of PM 2.5 in µg/m3

Beijing

85

Baoding

126

Tianjin

87

Shijiazhuang

121

Delhi

122

Allahabad

170

China

Xingtai

128

Gwalior

176

Patna

149

India

Raipur

144

City

Annual mean of PM 2.5 in µg/m3

Beijing

85

Baoding

126

Tianjin

87

Shijiazhuang

121

Xingtai

128

Delhi

122

Allahabad

170

China

Gwalior

176

Patna

149

India

Raipur

144