Environmental Protection Interactive Centre : Air Quality Monitoring Data Searching Paramater

Carbon Monoxide

Fine Suspended Particulates

Nitrogen Dioxide

Nitrogen Oxides

Ozone

Respirable Suspended Particulates

Sulphur Dioxide

All parameters

Selection of average time range

Hourly

Daily Mean

Monthly Average

Yearly Average

5. Please select a time period not exceeding 1827 days5. Please select a date

Data is available from

1990-1-1

2025-4-30

From: (YYYY/MM/DD)

To: (YYYY/MM/DD)

(YYYY/MM/DD)

5. Please select a time period not exceeding 3653 days5. Please select a time period not exceeding 31 days

Data is available from

1990-1-1

2025-4-30

From: (YYYY/MM/DD)

To: (YYYY/MM/DD)

5. Please select a time period not exceeding 120 months5. Please select a time period not exceeding 60 months

Data is available from

1990

2025

From: (YYYY/MM)

Enquiry from yearEnquiry from month /

To: (YYYY/MM)

Enquiry end yearEnquiry end month /

5. Please select a time period not exceeding 20 years5. Please select a time period not exceeding 5 years

Data is available from

1990

2024

From: (YYYY)

Enquiry from year

To: (YYYY)

Enquiry end year

Environmental Protection Interactive Centre