One word, home! Two words, dead house! To the death of the house! Really, try not to go out! If you have to move from one place to another, then stay in the new place. For example, go to the office from home in the morning, then stay at the office from noon until the afternoon. If you can, the company allows, with bedding toothbrush directly in the company to sleep well.
Go home after work, don't wander around, being outdoors longer means absorbing a little more haze. The first thing you need to do is to ask yourself whether it's important to play or to live.
Some people may say that the indoor air is worse than the outdoor air in the hazy weather, and that's because they don't use air purifiers. Save your money from shopping and buy a purifier. One is not enough for two, and two is not enough for three. After all, there's no air that a purifier can't fix is there (that's how all the purifiers are labeled on a certain treasure).
Going out with a mask is a must, if you forget to bring what to do? Quickly take out the phone to search the life encyclopedia, see how to use a piece of paper towel quickly homemade mask. This skill must get, life-saving.