Air Quality in Ratnapura, Sri Lanka

Heavy Rain
20.9°C · 99.8% humidity
20.9°
Feels 20.9°
67
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
3 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
67 9pm
67
65
67 12am
65
65
65 3am
65
65
65 6am
65
65
65 9am
65
65
65 12pm
65
65
65 3pm
65
67
67 6pm
74
67
Station readings
67
65
70
CAMS model adj +40
27
27
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
27
27
34
27
AD 728×90

Air Quality Index Trend

47h · 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. Current PM2.5 concentration in Ratnapura is 4.0× the WHO annual guideline of 5 µg/m³.

99.8%
Humidity
31.1 km/h
Wind W
1013.0 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
67
19.86 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Ratnapura?

Temperature & Precipitation

PM2.5 Trend

47h · 1 station
PM2.519.86 µg/m³ ×1.3 WHO
Moderate
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (3 stations within 25 km)
19.86
Median
19.86
Average
18.79
Low
21.2
High
PM2.5 µg/m³ · Model: 6.0 · Bias: -13.9

What is the 7-day forecast for Ratnapura?

05-28
25.5° 20.7°
21.81 mm
05-29
23.3° 20.1°
20.25 mm
05-30
24.0° 20.4°
23.06 mm
05-31
24.9° 20.3°
6.19 mm
06-01
23.4° 20.2°
18.87 mm
06-02
23.8° 20.1°
26.62 mm
06-03
23.6° 20.6°
11.12 mm
Both models agree Avg diff: 3.9°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?

35 Hatton 50 Hanwella Ihala 49 Homagama 39 Kalutara 38 Beruwala 35 Nuwara Eliya 38 Bentota 43 Panadura 46 Maharagama 38 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 2026-05-28T19:03 UTC.