Historical PM2.5 (2023)
What this data shows
Published by National Environment Agency. 40,200 records. Fields include Date, Timestamp, Update Timestamp, Region (8 columns in total). Covers 2023-01-01 to 2023-12-31. Last updated 2025-04-16.
Description
National Environment Agency historical PM2.5 fine particulate matter readings for Singapore across 2023, with ISO 8601 timestamps in Singapore Time. Columns cover date, timestamp, region and region ID, monitoring-station longitude and latitude, and one-hourly PM2.5 values for the five air-quality regions. Environmental researchers and air-quality analysts reconstruct 2023 pollution episodes; the file may contain gaps and is not quality-controlled climate data.
Official description
Historical PM2.5 for Singapore. All timestamps are provided in Singapore Time (SGT), formatted in ISO 8601. ⠀ Disclaimer: This dataset may contain missing records and has not undergone quality control procedures applied to climate data and records. For official climate records or climate data reports, please contact [email protected]. Please note that fees may apply for data and report preparation.
- Last updated
- Coverage
- 2023-01-01 – 2023-12-31
- Rows
- 40,200
- Columns
- 8
Chart
Values are summed where multiple rows share the same category.
Compare with another dataset →Data
| Date | Timestamp | Update Timestamp | Region | Region Id | Location Longitude | Location Latitude | Pm25 One Hourly |
|---|---|---|---|---|---|---|---|
| 2023-01-01 | 2023-01-01T00:00:00+08:00 | 2023-01-01T00:08:52+08:00 | south | rSO | 103.820000 | 1.295870 | 16.000000 |
| 2023-01-01 | 2023-01-01T00:00:00+08:00 | 2023-01-01T00:08:52+08:00 | north | rNO | 103.820000 | 1.418030 | 9.000000 |
| 2023-01-01 | 2023-01-01T00:00:00+08:00 | 2023-01-01T00:08:52+08:00 | east | rEA | 103.940000 | 1.357350 | 14.000000 |
| 2023-01-01 | 2023-01-01T00:00:00+08:00 | 2023-01-01T00:08:52+08:00 | central | rCE | 103.820000 | 1.357350 | 13.000000 |
| 2023-01-01 | 2023-01-01T00:00:00+08:00 | 2023-01-01T00:08:52+08:00 | west | rWE | 103.700000 | 1.357350 | 10.000000 |
| 2023-01-01 | 2023-01-01T01:00:00+08:00 | 2023-01-01T01:08:52+08:00 | south | rSO | 103.820000 | 1.295870 | 9.000000 |
| 2023-01-01 | 2023-01-01T01:00:00+08:00 | 2023-01-01T01:08:52+08:00 | north | rNO | 103.820000 | 1.418030 | 10.000000 |
| 2023-01-01 | 2023-01-01T01:00:00+08:00 | 2023-01-01T01:08:52+08:00 | east | rEA | 103.940000 | 1.357350 | 12.000000 |
| 2023-01-01 | 2023-01-01T01:00:00+08:00 | 2023-01-01T01:08:52+08:00 | central | rCE | 103.820000 | 1.357350 | 12.000000 |
| 2023-01-01 | 2023-01-01T01:00:00+08:00 | 2023-01-01T01:08:52+08:00 | west | rWE | 103.700000 | 1.357350 | 13.000000 |
Preview shows 10 rows and 8 columns. Use the table search or download the CSV for the full data.
Columns
| Column | Type | Categorical |
|---|---|---|
| Date | Date (YYYY-MM-DD) | No |
| Timestamp | Text | Yes |
| Update Timestamp | Text | Yes |
| Region | Text | Yes |
| Region Id | Text | Yes |
| Location Longitude | Numeric | Yes |
| Location Latitude | Numeric | Yes |
| Pm25 One Hourly | Numeric | Yes |