
Imported by
AIC International, 44980 Ste-Luce-sur-Loire, France
2. Formaldehyde is a polluting gas with multiple sources (construction materials, furniture, glues,
cleaning products, etc.).
The measured formaldehyde level is displayed by default on line (3) of the interface.
Colour
code
HCHO level
Rating
RECOMMENDATIONS
Green
0–0.100 mg/m³
Good
Continue airing the room regularly to renew the
air.
Yellow
0.101–0.500 mg/m³
Modest
Ventilate the room.
Leave the room
Limit heating during winter
Red
0.501–1.999 mg/m³
Bad
(danger)
Indoor air quality guide
values (French)
Exposure
threshold
Short-term actions recommended
0,03 mg/m³
for a long
exposure period
(1)
100 µg/m³
=
0.10 mg/m³
for a 30-minute
exposure period
(2)
Move away from the source of pollution.
Leave the room.
Ventilate.
(1)
Guide values for Formaldehyde and Benzene based on French decree No. 2015-1000 of the 17 August 2015: 2012-14
Long exposure throughout the year.
Exposure
threshold
Short-term actions
recommended
Long-term actions recommended
PM2.5
25 µg/m³
(1)
average
exposure in a 24-
hour period
10 µg/m³
(1)
average year-
round exposure
Continue airing the
room (unless the
outdoor air is
experiencing a fine-
particle pollution
peak).
Limit heating during
winter.
Wear a mask.
Install a permanent ventilation system.
Keep some ambient air detoxifying plants (azalea,
ficus, palm): 1 plant per 10m² of room area.
Identify and reduce all sources of possible pollution
(moulds, allergens, mites, etc.).
Regularly remove dust from floors and furniture with
a vacuum cleaner.
PM10
50 µg/m³
(2)
average
exposure in a 24-
hour period
20 µg/m³
(2)
average year-
round exposure