Air Pollution Monitoring in Cities Dr Mohanasundaram SV

Air Pollution Monitoring in Cities Dr. Mohanasundaram SV CDAC Bangalore mohansv@cdac. in

National ambient air quality standards Pollutant Satisfactory level* Time weighted average Sulphur dioxide (SO 2) Nitrogen dioxide (NO 2) Ozone (O 3) Carbon Monoxide (CO) Ammonia (NH 3) Lead (Pb) PM 2. 5 PM 10 Benzene (C 6 H 6) Benzo Pyrene Arsenic (As) Nickel (Ni) 80 µg/m 3 100 µg/m 3 2 mg/m 3 400 µg/m 3 1 µg/m 3 60 µg/m 3 100 µg/m 3 5 µg/m 3 1 ng/m 3 6 ng/m 3 20 ng/m 3 24 hrs 8 hrs 24 hrs Annual *Must comply at least 98% of the time 2 21 -09 -2017 Air Pollution Monitoring in Cities, CDAC Bangalore

Air pollutants and their concentrations in ppm and severity levels as per CPCB, India What pollutants we target? Severity level NO 2 (in ppm) SO 2 (in ppm) NH 3 (in ppm) CO (in ppm) O 3 (in ppm) Good Satisfactory Moderate Poor Very Poor Severe 3 21 -09 -2017 0. 021 0. 043 0. 096 0. 149 0. 213 > 0. 213 0. 015 0. 031 0. 145 0. 305 0. 437 > 0. 437 0. 287 0. 574 1. 149 1. 723 2. 584 > 2. 584 0. 873 1. 746 8. 729 14. 840 29. 679 > 29. 679 Air Pollution Monitoring in Cities, CDAC Bangalore 0. 025 0. 051 0. 086 0. 106 0. 381 > 0. 381

Air pollution station Controller, Communication and interfaces Sensors Air Sample In Auto Calibration and cross sensitivity Elimination Air Out Area code A B C D 4 21 -09 -2017 Category of area Industrial area Commercial area Residential area Silence Zone Air Pollution Monitoring in Cities, CDAC Bangalore

5 21 -09 -2017 Air Pollution Monitoring in Cities, CDAC Bangalore

AIR QUALITY DASHBOARD 6 21 -09 -2017 Air Pollution Monitoring in Cities, CDAC Bangalore

AIR QUALITY NETWORK 7 21 -09 -2017 Air Pollution Monitoring in Cities, CDAC Bangalore

NODE CONFIGURATION 8 21 -09 -2017 Air Pollution Monitoring in Cities, CDAC Bangalore

Nodes Display – SITE ENGINEER 9 21 -09 -2017 Air Pollution Monitoring in Cities, CDAC Bangalore

Air pollution – Alerting Mechanism Alert for NO 2 and Dust particles Alert on Click of a Button Threshold detection: • If Average of NO 2 value for a day (24 hours) exceeds the Severity level of satisfactory ie. , > 0. 043 then trigger an alert of SMS, E-mail and RED alert on Dashboard. • Dust Particles (Particulate Matter): Average of that Day: • PM 2. 5 – 60 µg/m³ • PM 10 – 100 µg/m³ 10 21 -09 -2017 Air Pollution Monitoring in Cities, CDAC Bangalore

THANK YOU 11 21 -09 -2017 Air Pollution Monitoring in Cities, CDAC Bangalore