Air Quality in Kolonnawa, Sri Lanka

Rain
27.5°C · 83.3% humidity
27.5°
Feels 33.5°
33
Good
Air quality is satisfactory. Enjoy outdoor activities.
5 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
29 12pm
20
33
33 3pm
32
31
37 6pm
29
29
29 9pm
28
26
26 12am
26
26
26 3am
26
26
26 6am
28
28
26 9am
26
26
Station readings
29
20
33
32
CAMS model adj +1
25
27
27
27
27
27
34
27
27
27
27
25
25
25
25
25
25
25
25
27
27
25
25
25

Air Quality Index Trend

48h · 2 stn

Kolonnawa'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.

83.3%
Humidity
128.6 km/h
Wind WSW
1008.9 hPa
Pressure
2.9
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
33
8.0 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Kolonnawa?

Temperature & Precipitation

PM2.5 Trend

48h · 2 stations
PM2.58.0 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX2.9
Moderate
Station readings (5 stations within 25 km)
8.0
Median
7.12
Average
0.73
Low
13.2
High
PM2.5 µg/m³ · Model: 6.15 · Bias: -1.9

What is the 7-day forecast for Kolonnawa?

09-22
27.8° 27.5°
13.63 mm
09-23
28.0° 27.3°
12.87 mm
09-24
27.8° 27.5°
10.94 mm
09-25
27.9° 27.0°
18.81 mm
09-26
27.6° 26.8°
21.44 mm
09-27
27.7° 26.8°
16.94 mm
09-28
28.2° 27.6°
5.63 mm
Both models agree Avg diff: 1.2°C

Where are air quality stations near Kolonnawa?

33
Battaramulla
5.7 km PM2.5: 8.0 µg/m³ PM10: 15.8 µg/m³
97
Battaramulla
5.7 km PM2.5: 34.0 µg/m³
30
Battaramulla
5.7 km PM2.5: 7.2 µg/m³ PM10: 13.0 µg/m³
66
Battaramulla
5.7 km PM2.5: 19.0 µg/m³
38
Battaramulla
5.7 km PM2.5: 9.0 µg/m³
32
Battaramulla
5.7 km PM2.5: 7.6 µg/m³ PM10: 12.8 µg/m³
115
Battaramulla
5.7 km PM2.5: 41.2 µg/m³ PM10: 68.2 µg/m³
95
Battaramulla
5.7 km PM2.5: 33.0 µg/m³ PM10: 55.0 µg/m³
55
Battaramulla
5.7 km PM2.5: 14.0 µg/m³
27
Battaramulla
5.7 km PM2.5: 6.4 µg/m³ PM10: 12.2 µg/m³

What cities are near Kolonnawa?

37 Kotikawatta 32 Peliyagoda 29 Colombo 35 Kelaniya 36 Mulleriyawa 35 Pita Kotte 45 Battaramulla South 35 Sri Jayewardenepura Kotte 32 Wattala 32 Hendala
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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 2026-09-22T10:46 UTC.