Laï weather in February
In February, Laï sees average daytime highs of 38°C and overnight lows near 21°C, with 0 mm of rain across 0 wet days and about 11.7 hours of daylight. It is the 3rd-warmest and 10th-wettest month of the year here.
Highs climb over the month, from about 36°C in the first days to 39°C by the end. The sky is clear or mostly clear about 50% of the time in February, and the air most often feels dry.
Daylight stretches from about 11 h 36 min at the start of February to 11 h 48 min by month's end. Set against the rest of the year, February is Laï's 4th-clearest and 1st-windiest month. For the whole year in context, see Laï's year-round climate.
- Daytime high
- 38°
- 3rd warmest
- Overnight low
- 21°
- 4th coldest
- Rainfall
- 0 mm
- 0 wet days
- Daylight
- 11 h 42 min
- 6:19 AM – 6:00 PM
- Cloud cover
- 42%
- 4th clearest
- Wind
- 11 km/h
- 1st windiest
- Solar energy
- 6.72 kWh/m²
- Travel score
- 1.5
- out of 10
Laï is commune in Chad.
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in February
Highs climb over the month, from about 36°C in the first days to 39°C by the end.
A typical February day in Laï reaches about 38°C in the afternoon and slips back to 21°C overnight — a 17°C spread between the day's warmth and the night's chill. On most days the high lands between 34°C and 41°C. Set against its neighbours, February runs about 3°C warmer than January and about 3°C cooler than March.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 36 | 36 | 36 | 36 | 37 | 37 | 37 | 37 | 37 | 37 | 37 | 37 | 37 | 37 | 38 | 38 | 38 | 38 | 38 | 38 | 38 | 39 | 39 | 39 | 39 | 39 | 39 | 39 |
| Avg low (°C) | 19 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 22 | 22 | 22 | 22 | 22 | 22 | 23 | 23 | 23 | 23 | 23 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 36 | 19 |
| 2 | 36 | 20 |
| 3 | 36 | 20 |
| 4 | 36 | 20 |
| 5 | 37 | 20 |
| 6 | 37 | 20 |
| 7 | 37 | 20 |
| 8 | 37 | 20 |
| 9 | 37 | 20 |
| 10 | 37 | 20 |
| 11 | 37 | 21 |
| 12 | 37 | 21 |
| 13 | 37 | 21 |
| 14 | 37 | 21 |
| 15 | 38 | 21 |
| 16 | 38 | 21 |
| 17 | 38 | 21 |
| 18 | 38 | 22 |
| 19 | 38 | 22 |
| 20 | 38 | 22 |
| 21 | 38 | 22 |
| 22 | 39 | 22 |
| 23 | 39 | 22 |
| 24 | 39 | 23 |
| 25 | 39 | 23 |
| 26 | 39 | 23 |
| 27 | 39 | 23 |
| 28 | 39 | 23 |
How February really feels in Laï
Once humidity and wind are folded in, February averages 28 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.
The story in February is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Laï weather by month
How February compares with the rest of the year at a glance. February is the 3rd-warmest and 10th-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 35° / 18° | 0 | 0 | 11.5 | 3.5 |
| Feb | 38° / 21° | 0 | 0 | 11.7 | 1.5 |
| Mar | 40° / 25° | 2 | 0.5 | 11.9 | 0.1 |
| Apr | 40° / 28° | 16 | 4.7 | 12.2 | 0.3 |
| May | 37° / 27° | 59 | 11.3 | 12.4 | 1.6 |
| Jun | 33° / 24° | 97 | 14.8 | 12.5 | 3.0 |
| Jul | 31° / 23° | 183 | 23.8 | 12.5 | 3.1 |
| Aug | 30° / 23° | 237 | 26.4 | 12.3 | 3.1 |
| Sep | 31° / 23° | 154 | 21.7 | 12.1 | 3.2 |
| Oct | 33° / 23° | 50 | 9.9 | 11.8 | 3.4 |
| Nov | 35° / 21° | 1 | 0.4 | 11.6 | 3.0 |
| Dec | 34° / 18° | 0 | 0 | 11.5 | 3.7 |
Cloud cover in February
The sky is clear or mostly clear about 50% of the time in February.
Beyond those clear spells, partly cloudy skies cover about 16% of February, with mostly cloudy or overcast conditions the remaining 34%.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Clearer (%) | 67 | 67 | 67 | 68 | 67 | 67 | 67 | 68 | 67 | 67 | 67 | 67 | 67 | 67 | 67 | 66 | 66 | 66 | 65 | 65 | 65 | 65 | 64 | 64 | 64 | 64 | 64 | 65 |
| Cloudier (%) | 33 | 33 | 33 | 32 | 33 | 33 | 33 | 32 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 34 | 34 | 34 | 35 | 35 | 35 | 35 | 36 | 36 | 36 | 36 | 36 | 35 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 67 | 33 |
| 2 | 67 | 33 |
| 3 | 67 | 33 |
| 4 | 68 | 32 |
| 5 | 67 | 33 |
| 6 | 67 | 33 |
| 7 | 67 | 33 |
| 8 | 68 | 32 |
| 9 | 67 | 33 |
| 10 | 67 | 33 |
| 11 | 67 | 33 |
| 12 | 67 | 33 |
| 13 | 67 | 33 |
| 14 | 67 | 33 |
| 15 | 67 | 33 |
| 16 | 66 | 34 |
| 17 | 66 | 34 |
| 18 | 66 | 34 |
| 19 | 65 | 35 |
| 20 | 65 | 35 |
| 21 | 65 | 35 |
| 22 | 65 | 35 |
| 23 | 64 | 36 |
| 24 | 64 | 36 |
| 25 | 64 | 36 |
| 26 | 64 | 36 |
| 27 | 64 | 36 |
| 28 | 65 | 35 |
Chance of precipitation in February
Laï gets around 0 mm of rain over 0 wet days in February. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 0% and peaks near 0% on the wettest days.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rain chance (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Rain chance (%) | |
|---|---|
| 1 | 0 |
| 2 | 0 |
| 3 | 0 |
| 4 | 0 |
| 5 | 0 |
| 6 | 0 |
| 7 | 0 |
| 8 | 0 |
| 9 | 0 |
| 10 | 0 |
| 11 | 0 |
| 12 | 0 |
| 13 | 0 |
| 14 | 0 |
| 15 | 0 |
| 16 | 0 |
| 17 | 0 |
| 18 | 0 |
| 19 | 0 |
| 20 | 0 |
| 21 | 0 |
| 22 | 0 |
| 23 | 0 |
| 24 | 0 |
| 25 | 0 |
| 26 | 0 |
| 27 | 0 |
| 28 | 0 |
Humidity in February
Most of February feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, February lands in the dry band about 99% of days. It rarely turns muggy — the humid and sticky bands barely register.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dry (%) | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 98 | 98 | 98 |
| Comfortable (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 |
| Dry (%) | Comfortable (%) | |
|---|---|---|
| 1 | 100 | 0 |
| 2 | 100 | 0 |
| 3 | 100 | 0 |
| 4 | 100 | 0 |
| 5 | 100 | 0 |
| 6 | 100 | 0 |
| 7 | 100 | 0 |
| 8 | 100 | 0 |
| 9 | 100 | 0 |
| 10 | 100 | 0 |
| 11 | 100 | 0 |
| 12 | 100 | 0 |
| 13 | 100 | 0 |
| 14 | 100 | 0 |
| 15 | 100 | 0 |
| 16 | 100 | 0 |
| 17 | 100 | 0 |
| 18 | 100 | 0 |
| 19 | 99 | 1 |
| 20 | 99 | 1 |
| 21 | 99 | 1 |
| 22 | 99 | 1 |
| 23 | 99 | 1 |
| 24 | 99 | 1 |
| 25 | 99 | 1 |
| 26 | 98 | 2 |
| 27 | 98 | 2 |
| 28 | 98 | 2 |
Wind in February
Winds average 11 km/h in February, the windiest month of the year.
Across February, daily wind ranges from about 10 km/h on the calmest days to 11 km/h at its breeziest. It stays fairly steady from day to day.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wind speed (km/h) | 10 | 10 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 |
| Feels | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm |
| Wind speed (km/h) | Feels | |
|---|---|---|
| 1 | 10 | calm |
| 2 | 10 | calm |
| 3 | 11 | calm |
| 4 | 11 | calm |
| 5 | 11 | calm |
| 6 | 11 | calm |
| 7 | 11 | calm |
| 8 | 11 | calm |
| 9 | 11 | calm |
| 10 | 11 | calm |
| 11 | 11 | calm |
| 12 | 11 | calm |
| 13 | 11 | calm |
| 14 | 11 | calm |
| 15 | 11 | calm |
| 16 | 11 | calm |
| 17 | 11 | calm |
| 18 | 11 | calm |
| 19 | 10 | calm |
| 20 | 10 | calm |
| 21 | 10 | calm |
| 22 | 10 | calm |
| 23 | 10 | calm |
| 24 | 10 | calm |
| 25 | 10 | calm |
| 26 | 10 | calm |
| 27 | 10 | calm |
| 28 | 10 | calm |
Sunrise & sunset in February
Daylight runs from about 11 h 36 min at the start of February to 11 h 48 min by month's end. The lit band spans sunrise to sunset each day.
Days grow by about 12 minutes over February. Sunrise moves from 6:21 AM to 6:14 AM, and sunset from 5:56 PM to 6:02 PM.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight (h) | 11.6 | 11.6 | 11.6 | 11.6 | 11.6 | 11.6 | 11.6 | 11.6 | 11.6 | 11.7 | 11.7 | 11.7 | 11.7 | 11.7 | 11.7 | 11.7 | 11.7 | 11.7 | 11.7 | 11.7 | 11.7 | 11.7 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 |
| Sunrise (AM) | 6:21 | 6:20 | 6:20 | 6:20 | 6:20 | 6:20 | 6:20 | 6:20 | 6:20 | 6:20 | 6:19 | 6:19 | 6:19 | 6:19 | 6:19 | 6:18 | 6:18 | 6:18 | 6:18 | 6:17 | 6:17 | 6:17 | 6:16 | 6:16 | 6:15 | 6:15 | 6:15 | 6:14 |
| Sunset (PM) | 5:56 | 5:56 | 5:57 | 5:57 | 5:57 | 5:58 | 5:58 | 5:58 | 5:59 | 5:59 | 5:59 | 5:59 | 6:00 | 6:00 | 6:00 | 6:00 | 6:01 | 6:01 | 6:01 | 6:01 | 6:01 | 6:01 | 6:02 | 6:02 | 6:02 | 6:02 | 6:02 | 6:02 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 11.6 | 6:21 | 5:56 |
| 2 | 11.6 | 6:20 | 5:56 |
| 3 | 11.6 | 6:20 | 5:57 |
| 4 | 11.6 | 6:20 | 5:57 |
| 5 | 11.6 | 6:20 | 5:57 |
| 6 | 11.6 | 6:20 | 5:58 |
| 7 | 11.6 | 6:20 | 5:58 |
| 8 | 11.6 | 6:20 | 5:58 |
| 9 | 11.6 | 6:20 | 5:59 |
| 10 | 11.7 | 6:20 | 5:59 |
| 11 | 11.7 | 6:19 | 5:59 |
| 12 | 11.7 | 6:19 | 5:59 |
| 13 | 11.7 | 6:19 | 6:00 |
| 14 | 11.7 | 6:19 | 6:00 |
| 15 | 11.7 | 6:19 | 6:00 |
| 16 | 11.7 | 6:18 | 6:00 |
| 17 | 11.7 | 6:18 | 6:01 |
| 18 | 11.7 | 6:18 | 6:01 |
| 19 | 11.7 | 6:18 | 6:01 |
| 20 | 11.7 | 6:17 | 6:01 |
| 21 | 11.7 | 6:17 | 6:01 |
| 22 | 11.7 | 6:17 | 6:01 |
| 23 | 11.8 | 6:16 | 6:02 |
| 24 | 11.8 | 6:16 | 6:02 |
| 25 | 11.8 | 6:15 | 6:02 |
| 26 | 11.8 | 6:15 | 6:02 |
| 27 | 11.8 | 6:15 | 6:02 |
| 28 | 11.8 | 6:14 | 6:02 |
Solar energy in February
Average shortwave solar energy reaching the ground each day in February, about 6.72 kWh/m².
For context, solar energy here swings from a low near 4.81 kWh/m² to a high of 6.97 kWh/m² in March across the year — February's 6.72 kWh/m² sits near the top of that range.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Solar energy (kWh/m²) | 6.5 | 6.5 | 6.5 | 6.5 | 6.6 | 6.6 | 6.6 | 6.6 | 6.6 | 6.7 | 6.7 | 6.7 | 6.7 | 6.7 | 6.7 | 6.8 | 6.8 | 6.8 | 6.8 | 6.8 | 6.8 | 6.8 | 6.8 | 6.8 | 6.9 | 6.9 | 6.9 | 6.9 |
| Level | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 6.5 | Intense |
| 2 | 6.5 | Intense |
| 3 | 6.5 | Intense |
| 4 | 6.5 | Intense |
| 5 | 6.6 | Intense |
| 6 | 6.6 | Intense |
| 7 | 6.6 | Intense |
| 8 | 6.6 | Intense |
| 9 | 6.6 | Intense |
| 10 | 6.7 | Intense |
| 11 | 6.7 | Intense |
| 12 | 6.7 | Intense |
| 13 | 6.7 | Intense |
| 14 | 6.7 | Intense |
| 15 | 6.7 | Intense |
| 16 | 6.8 | Intense |
| 17 | 6.8 | Intense |
| 18 | 6.8 | Intense |
| 19 | 6.8 | Intense |
| 20 | 6.8 | Intense |
| 21 | 6.8 | Intense |
| 22 | 6.8 | Intense |
| 23 | 6.8 | Intense |
| 24 | 6.8 | Intense |
| 25 | 6.9 | Intense |
| 26 | 6.9 | Intense |
| 27 | 6.9 | Intense |
| 28 | 6.9 | Intense |
Hazard calendar for Laï
None of Laï's seasonal hazards are active in February. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.
Laï's monsoon runs July–September, when most of the year's rain falls.
Laï sees seasonal dust haze (March–June), heaviest in March.
Is February a good time to visit Laï?
Our two travel scores rate February for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
February is a weaker month for outdoor sightseeing in Laï.
What to pack for Laï in February
From February's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In February, Laï sees daytime highs around 38°C and nights near 21°C. Pack light clothes and sun protection.
UV index in Laï in February
Clear-sky midday UV in February peaks around 12 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Laï peaks around March 17 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 14 at about 9 (very high).
The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 11 | 12 | 14 | 12 | 10 | 11 | 12 | 13 | 11 | 11 | 10 | 9 |
| Level | Extreme | Extreme | Extreme | Extreme | Very high | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | Very high |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 11 | Extreme |
| Feb | 12 | Extreme |
| Mar | 14 | Extreme |
| Apr | 12 | Extreme |
| May | 10 | Very high |
| Jun | 11 | Extreme |
| Jul | 12 | Extreme |
| Aug | 13 | Extreme |
| Sep | 11 | Extreme |
| Oct | 11 | Extreme |
| Nov | 10 | Very high |
| Dec | 9 | Very high |
Air quality in Laï in February
Average fine-particle pollution (PM2.5) through the year — so you can see where February falls, not just the annual average.
Air quality in Laï is worst in March — around 62 µg/m³ PM2.5 (unhealthy), about 4.8× the cleanest month (July, 13 µg/m³).
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 52 | 53 | 62 | 36 | 19 | 17 | 13 | 16 | 18 | 25 | 31 | 52 |
| Level | Poor | Poor | Unhealthy | Poor | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Poor |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 52 | Poor |
| Feb | 53 | Poor |
| Mar | 62 | Unhealthy |
| Apr | 36 | Poor |
| May | 19 | Moderate |
| Jun | 17 | Moderate |
| Jul | 13 | Moderate |
| Aug | 16 | Moderate |
| Sep | 18 | Moderate |
| Oct | 25 | Moderate |
| Nov | 31 | Moderate |
| Dec | 52 | Poor |
Where is Laï?
Laï sits at 9.4°N, 16.3°E, 363 m above sea level, in Chad. The nearest listed city is Béré, 18 km away.
Topography around Laï
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Laï.
Within 3 km, the terrain around Laï has only modest variations in elevation — a maximum elevation change of 16 m around an average of 357 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 23 m; within 80 km, only modest variations in elevation — a maximum elevation change of 219 m.
The land around Laï is covered by cropland (39%) and grassland (38%) within 3 km, cropland (49%) and grassland (40%) within 16 km, and cropland (50%) and grassland (31%) within 80 km.
Chad travel facts
- Travel advisory
- Level 4
- Do Not Travel
- Power plugs
- Type C / D / E / F
- 220 V · 50 Hz
- Prices
- ≈ 35% of US
- price level, 2025
- GDP per capita
- $1,022
- 2025
- Happiness
- 4.4 / 10
- World Happiness, 2025
- Safe drinking water
- 6%
- of population, 2024
- Road deaths
- 32.4
- per 100k/yr, 2019
- Income group
- Low
- World Bank
- Religion
Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.
Data sources
Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Laï (9.3972°, 16.3007°, elevation 363 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).