What is the air quality in Herttoniemi today?

The current Air Quality Index (AQI) in Herttoniemi is 19 (Good). PM2.5 concentration is 4.55 µg/m³.

What is the temperature in Herttoniemi right now?

The current temperature in Herttoniemi is 14.6°C (feels like 14.6°C). Humidity is 45.9% and wind speed is 29.2 km/h.

Is it safe to go outside in Herttoniemi?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 5.9 (High).

Air Quality in Herttoniemi, Finland

Clear

14.6°C · 45.9% humidity

14.6°

Feels 14.6°

Good

Air quality is satisfactory. Enjoy outdoor activities.

3 stations

Nearby Monitoring Stations

AQI Forecast Calibrated

22 10am

19 1pm

17 4pm

17 7pm

17 10pm

17 1am

17 4am

17 7am

Station readings

CAMS model adj -7

Air Quality Index Trend

46h · 1 stn

View full history →

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.

45.9%

Humidity

29.2 km/h

Wind ENE

1009.5 hPa

Pressure

5.9

UV High

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

4.55 µg/m³

PM10

13.7 µg/m³

050100150200300500

What is the weather forecast for Herttoniemi?

Temperature & Precipitation

PM2.5 Trend

46h · 1 station

PM2.54.55 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX5.9

High

Station readings (3 stations within 25 km)

4.55

Median

4.1

Average

2.4

Low

6.5

High

PM2.5 µg/m³ · Model: 5.8 · Bias: +1.2

What is the 7-day forecast for Herttoniemi?

09-05

14.6° 7.3°

6.5 mm

09-06

14.5° 10.3°

0.38 mm

09-07

15.5° 9.7°

3.31 mm

09-08

14.4° 8.3°

1.81 mm

09-09

13.1° 10.6°

1.37 mm

09-10

16.1° 10.5°

2.38 mm

09-11

15.7° 7.0°

2.56 mm

Both models agree Avg diff: 2.3°C

Where are air quality stations near Herttoniemi?

Helsinki Teollisuuskatu

5.0 km PM2.5: 2.3 µg/m³ PM10: 7.6 µg/m³

Helsinki

5.7 km PM2.5: 6.5 µg/m³

Leppävaara 4, Espoo, Finland

12.7 km PM2.5: 2.4 µg/m³

What cities are near Herttoniemi?

20 Laajasalo 18 Viikki 19 East Helsinki 18 Vartiokylä 20 Kallio 17 Oulunkylä 18 Mellunkylä 19 Vuosaari 27 Helsinki 21 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 2026-09-05T10:04 UTC.