Air Quality in Kolonnawa, Sri Lanka

Rain
28.7°C · 76.7% humidity
28.7°
Feels 34.7°
44
Good
Air quality is satisfactory. Enjoy outdoor activities.
4 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
32 8pm
38
49
44 11pm
41
38
36 2am
35
35
34 5am
34
36
35 8am
35
35
35 11am
33
35
35 2pm
33
35
35 5pm
42
42
Station readings
32
38
49
CAMS model adj +8
34
34
27
27
27
25
25
25
25
25
25
27
27
27
27
27
25
27
27
25
27
27
34
34
AD 728×90

Air Quality Index Trend

47h · 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. Current PM2.5 concentration in Kolonnawa is 2.1× the WHO annual guideline of 5 µg/m³.

76.7%
Humidity
134.4 km/h
Wind WSW
1010.8 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
44
10.48 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Kolonnawa?

Temperature & Precipitation

PM2.5 Trend

47h · 2 stations
PM2.510.48 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (4 stations within 25 km)
10.48
Median
8.99
Average
0.62
Low
19.0
High
PM2.5 µg/m³ · Model: 6.15 · Bias: -4.3

What is the 7-day forecast for Kolonnawa?

05-28
29.2° 28.7°
12.06 mm
05-29
29.0° 28.0°
15.44 mm
05-30
28.7° 28.4°
22.13 mm
05-31
28.7° 28.5°
11.69 mm
06-01
28.7° 28.4°
7.06 mm
06-02
28.5° 28.2°
11.31 mm
06-03
28.6° 28.3°
8.69 mm
Both models agree Avg diff: 1.3°C

Where are air quality stations near Kolonnawa?

78
FECT Colombo
2.8 km 30.0°C 75.0% RH PM2.5: 24.9 µg/m³ PM10: 27.2 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: 28.0 µg/m³
95
Battaramulla
5.7 km PM2.5: 33.0 µg/m³
50
Battaramulla
5.7 km PM2.5: 12.0 µg/m³
84
Battaramulla
5.7 km PM2.5: 27.6 µg/m³ PM10: 42.6 µg/m³
35
Battaramulla
5.7 km PM2.5: 8.4 µg/m³ PM10: 16.0 µg/m³
82
Battaramulla
5.7 km PM2.5: 27.0 µg/m³
63
Battaramulla
5.7 km PM2.5: 17.8 µg/m³ PM10: 30.6 µg/m³
21
Battaramulla
5.7 km PM2.5: 5.0 µg/m³

What cities are near Kolonnawa?

51 Kotikawatta 42 Peliyagoda 36 Colombo 46 Kelaniya 49 Mulleriyawa 47 Pita Kotte 59 Battaramulla South 46 Sri Jayewardenepura Kotte 42 Wattala 42 Hendala
Get AQI alerts for Kolonnawa

Notify me when air quality reaches:

Free · No account · Unsubscribe any time

Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-05-28T18:09 UTC.