Air Quality Innovation

Measured concentration innovation TNO for life LOW-COST AIRBOX CAN BE TRUSTED AFTER CALIBRATION • Comparison: airbox M14 placed next to high-end equipment National Station 1 (NAT1) (µg m³) M14 airbox (blue line) 300 NAT1 high-end equipment (orange line) 250 200 150 100 50 PM2.5 PM25 300 y=0.95x+3.45 R²=0.82 •PM2.5 Meteo set 250 200 200 Airbox M14 airbox 150 100 50 0 0 25-11-2020 30-11-2020 5-12-2020 10-12-2020 15-12-2020 20-12-2020 25-12-2020 30-12-2020 4-1-2021 0 50 100 150 200 250 300 1 month hourly data NAT1 省站 00 M14 NAT1 housing

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