Historical Ultraviolet Index (UVI) (2022)
What this data shows
Published by National Environment Agency. 31,510 records. Fields include Date, Timestamp, Update Timestamp, Index Hour (5 columns in total). Covers 2022-01-01 to 2022-12-31. Last updated 2025-04-16.
Description
Historical Ultraviolet Index (UVI) observations for Singapore throughout 2022, published by the National Environment Agency in CSV format. Timestamps are recorded in Singapore Time (SGT) using ISO 8601 formatting, with fields for date, hourly index values, and update metadata. The dataset supports research on UV exposure, sun-safety planning, environmental monitoring, and seasonal patterns in ultraviolet radiation across the island. Users should note possible missing records and that the data has not undergone official climate quality-control procedures; contact NEA for authoritative climate reports.
Official description
Historical Ultraviolet Index (UVI) 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
- 2022-01-01 – 2022-12-31
- Rows
- 31,510
- Columns
- 5
Chart
Values are summed where multiple rows share the same category.
Compare with another dataset →Data
| Date | Timestamp | Update Timestamp | Index Hour | Index Value |
|---|---|---|---|---|
| 2022-01-01 | 2022-01-01T07:00:00+08:00 | 2022-01-01T07:07:07+08:00 | 2022-01-01T07:00:00+08:00 | 0.000000 |
| 2022-01-01 | 2022-01-01T08:00:00+08:00 | 2022-01-01T08:08:07+08:00 | 2022-01-01T08:00:00+08:00 | 0.000000 |
| 2022-01-01 | 2022-01-01T08:00:00+08:00 | 2022-01-01T08:08:07+08:00 | 2022-01-01T07:00:00+08:00 | 0.000000 |
| 2022-01-01 | 2022-01-01T09:00:00+08:00 | 2022-01-01T09:06:07+08:00 | 2022-01-01T09:00:00+08:00 | 1.000000 |
| 2022-01-01 | 2022-01-01T09:00:00+08:00 | 2022-01-01T09:06:07+08:00 | 2022-01-01T08:00:00+08:00 | 0.000000 |
| 2022-01-01 | 2022-01-01T09:00:00+08:00 | 2022-01-01T09:06:07+08:00 | 2022-01-01T07:00:00+08:00 | 0.000000 |
| 2022-01-01 | 2022-01-01T10:00:00+08:00 | 2022-01-01T10:06:07+08:00 | 2022-01-01T10:00:00+08:00 | 2.000000 |
| 2022-01-01 | 2022-01-01T10:00:00+08:00 | 2022-01-01T10:06:07+08:00 | 2022-01-01T09:00:00+08:00 | 1.000000 |
| 2022-01-01 | 2022-01-01T10:00:00+08:00 | 2022-01-01T10:06:07+08:00 | 2022-01-01T08:00:00+08:00 | 0.000000 |
| 2022-01-01 | 2022-01-01T10:00:00+08:00 | 2022-01-01T10:06:07+08:00 | 2022-01-01T07:00:00+08:00 | 0.000000 |
Preview shows 10 rows and 5 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 |
| Index Hour | Text | Yes |
| Index Value | Numeric | Yes |