Air Quality in Herttoniemi, Finland

Cloudy
5.7°C · 81.6% humidity
5.7°
Feels 0.6°
23
Good
Air quality is satisfactory. Enjoy outdoor activities.
4 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
20 9pm
20
30
23 12am
20
20
20 3am
20
20
21 6am
21
21
21 9am
21
21
21 12pm
21
20
20 3pm
20
20
20 6pm
20
20
Station readings
30
CAMS model adj -4
24
24
24
24
24
24
24
24
24
25
25
25
25
25
25
25
25
24
24
24
24
24
24
24
AD 728×90

Air Quality Index Trend

5h · 3 stn

Herttoniemi's air quality is shaped by traffic emissions and residential heating. Pollution levels tend to peak during winter months when cold air traps emissions close to ground level. Current PM2.5 concentration in Herttoniemi is 1.1× the WHO annual guideline of 5 µg/m³.

81.6%
Humidity
34.9 km/h
Wind WNW
1025.4 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
23
5.49 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Herttoniemi?

Temperature & Precipitation

PM2.5 Trend

5h · 3 stations
PM2.55.49 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (4 stations within 25 km)
5.49
Median
4.72
Average
1.8
Low
10.6
High
PM2.5 µg/m³ · Model: 5.8 · Bias: +0.3

What is the 7-day forecast for Herttoniemi?

05-28
10.3° 5.5°
2.75 mm
05-29
19.0° 5.7°
05-30
14.4° 4.1°
0.44 mm
05-31
18.4° 7.9°
06-01
19.6° 10.7°
06-02
22.3° 9.6°
06-03
20.1° 6.8°
0.06 mm
Both models agree Avg diff: 3.3°C

Where are air quality stations near Herttoniemi?

8
Kallio 2, Helsinki, Finland
4.8 km PM2.5: 1.9 µg/m³
9
Kallio 2, Helsinki, Finland
4.8 km PM2.5: 2.2 µg/m³
8
Helsinki Teollisuuskatu
5.0 km PM2.5: 1.8 µg/m³ PM10: 7.5 µg/m³
68
Helsinki
5.7 km PM2.5: 20.2 µg/m³
30
Mannerheimintie, Helsinki, Finland
6.0 km PM2.5: 7.2 µg/m³
38
Mannerheimintie, Helsinki, Finland
6.0 km PM2.5: 9.1 µg/m³
40
Leppävaara 4, Espoo, Finland
12.7 km PM2.5: 9.6 µg/m³
50
Luukki, Espoo, Finland
23.5 km PM2.5: 12.0 µg/m³

What cities are near Herttoniemi?

25 Laajasalo 20 Viikki 18 East Helsinki 18 Vartiokylä 41 Kallio 20 Oulunkylä 18 Mellunkylä 18 Vuosaari 30 Helsinki 26 Taka-Töölö
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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 2026-05-28T21:36 UTC.