Tag 'monitoring:air_quality = yes'

Value histogram for key 'ref'

• 1: MC 042
• 1: MC 174
• 1: MC 010
• 1: MC 032
• 1: MC 143
• 1: MC 077
• 1: MC 171
• 1: MC 282
• 1: MC 085
• 1: MC 117
• 1: 100064713
• 1: MC 145
• 1: DEBB073
• 1: MC 027
• 1: MC 115