Table A2.

 Recommendations on the use of pollen avoidance measures

Intervention	Grade of recommendation
Nasal filters (see http://www.nasalairguard.co.uk) [47]	B
Minimizing early morning activity when the greatest pollen is emitted – after the dew dries after sunrise to late morning	D
Avoiding going out after thunderstorms or on windy days when dust and pollen are blown about	D
Wearing wraparound sunglasses	D
Not mowing the grass, and staying inside when it is being mown. If mowing is unavoidable, wear a mask	D
Planning holidays to avoid the pollen season	D
Keeping windows closed both at home and particularly when in the car. In particular keeping windows closed at night to prevent pollens or moulds from drifting into the home. Instead, if needed, use air conditioning, which cleans, cools and dries the air	D
If the patient is sensitized to a particular plant or tree – consider removal	D
Shower and wash hair once home	D
Bathing eyes and douche nose frequently	D
Staying indoors when the pollen count or humidity is reported to be high	D
Bringing in washing before pollen levels increase in the evening	D