The average seven-day NO2 level across the study was 34 micrograms per cubic metre ...
NO2 levels
peaked
at 145
... researchers found an increase of 20 micrograms per cubic metre was associated with a 16% rise in the risk of miscarriage
The average seven-day NO2 level across the study was 34 micrograms per cubic metre ...
... researchers found an increase of 20 micrograms per cubic metre was associated with a 16% rise in the risk of miscarriage
NO2 levels
peaked
at 145