Air Quality in Ratnapura, Sri Lanka

Rain
21.7°C · 92.7% humidity
21.7°
Feels 21.7°
7
Good
Air quality is satisfactory. Enjoy outdoor activities.
1 station

Nearby Monitoring Stations

AQI Forecast Calibrated
23 12pm
23
23
7 3pm
12
17
19 6pm
28
22
23 9pm
21
22
22 12am
22
22
22 3am
22
22
23 6am
25
25
25 9am
25
25
Station readings 24h ago
AQI 26
PM2.5 6.2 µg/m³ · 24h ago
CAMS model adj -2
25
25
25
25
25
27
27
34
27
27
25
25
25
25
24
24
24
24
25
27
27
27
27
27
AD 728×90

Air Quality Index Trend

24h · 1 stn

Ratnapura's air quality is affected by vehicle emissions, industrial activity, and seasonal crop burning. Air quality typically worsens from November to February due to temperature inversions trapping pollutants near the surface.

92.7%
Humidity
38.2 km/h
Wind WNW
1012.6 hPa
Pressure
4.4
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5
7
1.67 µg/m³
PM10▲
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Ratnapura?

Temperature & Precipitation

PM2.5 Trend

24h · 1 station
PM2.51.67 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX4.4
Moderate
AD 300×250
Station readings (1 station within 25 km)
1.67
Median
1.67
Average
1.67
Low
1.67
High
PM2.5 µg/m³ · Model: 5.9 · Bias: +4.2

What is the 7-day forecast for Ratnapura?

06-09
23.9° 20.8°
12.44 mm
06-10
24.5° 20.4°
18.87 mm
06-11
26.4° 20.3°
18.44 mm
06-12
24.5° 20.2°
17.5 mm
06-13
24.3° 20.2°
11.63 mm
06-14
25.7° 19.8°
8.94 mm
06-15
22.0° 19.7°
8.88 mm
Both models agree Avg diff: 3.5°C

Where are air quality stations near Ratnapura?

98
Rathnapura
0.7 km PM2.5: 34.4 µg/m³ PM10: 56.4 µg/m³
52
Rathnapura
0.7 km PM2.5: 12.6 µg/m³ PM10: 22.4 µg/m³
73
Rathnapura
0.7 km PM2.5: 22.4 µg/m³ PM10: 39.2 µg/m³
59
Rathnapura
0.7 km PM2.5: 16.0 µg/m³ PM10: 25.8 µg/m³
34
Rathnapura
0.7 km PM2.5: 8.2 µg/m³ PM10: 14.0 µg/m³
55
Rathnapura
0.7 km PM2.5: 14.0 µg/m³ PM10: 22.4 µg/m³
57
Rathnapura
0.7 km PM2.5: 15.0 µg/m³ PM10: 26.4 µg/m³
89
Rathnapura
0.7 km PM2.5: 30.4 µg/m³ PM10: 48.4 µg/m³
76
Rathnapura
0.7 km PM2.5: 24.2 µg/m³ PM10: 40.0 µg/m³
53
Rathnapura
0.7 km PM2.5: 13.0 µg/m³ PM10: 21.2 µg/m³

What cities are near Ratnapura?

18 Hatton 20 Hanwella Ihala 21 Homagama 12 Kalutara 12 Beruwala 18 Nuwara Eliya 12 Bentota 22 Panadura 23 Maharagama 13 Gampola
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Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-06-09T10:36 UTC.