Air Quality in Kolonnawa, Sri Lanka

Drizzle
27.2°C · 82.2% humidity
27.2°
Feels 33.0°
43
Good
Air quality is satisfactory. Enjoy outdoor activities.
2 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
61 4am
61
68
43 7am
56
45
51 10am
56
60
62 1pm
84
85
86 4pm
86
87
87 7pm
87
88
88 10pm
88
88
68 1am
68
61
Station readings
66
61
61
CAMS model adj +34
27
27
34
54
54
34
34
34
34
34
54
54
54
54
54
54
54
54
54
54
54
34
34
27
AD 728×90

Air Quality Index Trend

38h · 1 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.

82.2%
Humidity
98.8 km/h
Wind WSW
1010.8 hPa
Pressure
2.2
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
43
10.31 µg/m³
PM10
19
20.55 µg/m³
050100150200300500

What is the weather forecast for Kolonnawa?

Temperature & Precipitation

PM2.5 Trend

38h · 1 station
PM2.510.31 µg/m³ ✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX2.2
Moderate
AD 300×250
Station readings (2 stations within 25 km)
10.31
Median
9.92
Average
2.21
Low
17.63
High
PM2.5 µg/m³ · Model: 9.65 · Bias: -0.7

What is the 7-day forecast for Kolonnawa?

07-22
27.4° 27.2°
12.81 mm
07-23
27.5° 27.2°
0.31 mm
07-24
27.3° 26.8°
0.19 mm
07-25
27.2° 26.7°
2.69 mm
07-26
27.3° 26.9°
1.06 mm
07-27
27.4° 26.8°
5.0 mm
07-28
27.5° 27.2°
5.25 mm
Both models agree Avg diff: 1.5°C

Where are air quality stations near Kolonnawa?

58
Kolonnawa
0.7 km PM2.5: 15.2 µg/m³ PM10: 10.1 µg/m³
57
Orugodawatta
1.4 km PM2.5: 14.8 µg/m³ PM10: 11.8 µg/m³
28
FECT Colombo
2.8 km 34.4°C 69.0% RH PM2.5: 6.7 µg/m³ PM10: 9.3 µg/m³
68
Colombo 07
3.3 km PM2.5: 20.0 µg/m³ PM10: 13.1 µg/m³
20
Kotte
3.7 km PM2.5: 4.8 µg/m³ PM10: 1.9 µg/m³
84
Battaramulla
5.7 km PM2.5: 27.6 µg/m³ PM10: 42.6 µg/m³
50
Battaramulla
5.7 km PM2.5: 12.0 µg/m³
84
Battaramulla
5.7 km PM2.5: 28.0 µg/m³
33
Battaramulla
5.7 km PM2.5: 8.0 µg/m³
95
Battaramulla
5.7 km PM2.5: 33.0 µg/m³

What cities are near Kolonnawa?

54 Kotikawatta 45 Peliyagoda 33 Colombo 53 Kelaniya 56 Mulleriyawa 45 Pita Kotte 61 Battaramulla South 50 Sri Jayewardenepura Kotte 46 Wattala 45 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 2026-07-22T02:17 UTC.