Air Quality in Ratnapura, Sri Lanka

Rain
21.1°C · 99.1% humidity
21.1°
Feels 21.1°
27
Good
Air quality is satisfactory. Enjoy outdoor activities.
4 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
25 12pm
26
26
27 3pm
26
28
28 6pm
28
26
26 9pm
26
26
25 12am
25
25
25 3am
25
25
26 6am
26
26
25 9am
25
25
Station readings
26
25
29
25
CAMS model adj +1
24
25
25
25
25
27
27
27
25
25
25
25
24
24
24
24
24
24
25
25
25
24
24
24

Air Quality Index Trend

48h · 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.

99.1%
Humidity
40.4 km/h
Wind WNW
1011.4 hPa
Pressure
2.9
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
27
6.55 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Ratnapura?

Temperature & Precipitation

PM2.5 Trend

48h · 1 station
PM2.56.55 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX2.9
Moderate
Station readings (4 stations within 25 km)
6.55
Median
11.92
Average
6.0
Low
28.67
High
PM2.5 µg/m³ · Model: 5.9 · Bias: -0.6

What is the 7-day forecast for Ratnapura?

09-22
23.2° 19.9°
10.88 mm
09-23
26.7° 20.0°
10.25 mm
09-24
24.6° 20.4°
20.56 mm
09-25
24.2° 19.8°
16.31 mm
09-26
22.1° 19.4°
23.94 mm
09-27
24.8° 19.7°
9.69 mm
09-28
26.4° 19.9°
7.88 mm
Both models agree Avg diff: 3.6°C

Where are air quality stations near Ratnapura?

66
Rathnapura
0.7 km PM2.5: 19.2 µg/m³ PM10: 30.2 µg/m³
28
Rathnapura
0.7 km PM2.5: 6.6 µg/m³ PM10: 12.6 µg/m³
63
Rathnapura
0.7 km PM2.5: 17.8 µg/m³ PM10: 31.6 µg/m³
53
Rathnapura
0.7 km PM2.5: 13.0 µg/m³ PM10: 22.0 µg/m³
48
Rathnapura
0.7 km PM2.5: 11.4 µg/m³ PM10: 18.4 µg/m³
42
Rathnapura
0.7 km PM2.5: 10.0 µg/m³ PM10: 16.8 µg/m³
29
Rathnapura
0.7 km PM2.5: 7.0 µg/m³ PM10: 12.8 µg/m³
25
Rathnapura
0.7 km PM2.5: 6.0 µg/m³ PM10: 10.0 µg/m³
44
Rathnapura
0.7 km PM2.5: 10.6 µg/m³ PM10: 18.4 µg/m³
25
Rathnapura
0.7 km PM2.5: 6.0 µg/m³ PM10: 10.2 µg/m³

What cities are near Ratnapura?

50 Hatton 31 Hanwella Ihala 31 Homagama 35 Kalutara 36 Beruwala 50 Nuwara Eliya 35 Bentota 28 Panadura 29 Maharagama 73 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 2026-09-22T10:47 UTC.