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thijsniks's profile
Thijs Niks
Thijs Niks
Thijs Niks
@thijsniks

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Thijs Niks

@thijsniks

Product Manager for ☎️ at @WhatsApp / ❤️ retweets

San Francisco, CA
thijs.niks.nu
Joined February 2009

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    1. Marshall Burke‏ @MarshallBBurke Aug 27

      Marshall Burke Retweeted Michael Wara

      Seconding this strongly. We just published work showing substantial increases in preterm birth risk for even short periods of moderate exposure. Please be careful and try to limit exposure however you can.https://twitter.com/MichaelWWara/status/1431396057066262529 …

      Marshall Burke added,

      Michael Wara @MichaelWWara
      So this is my wildfire PSA for the day: Pregnant women of Northern California, stay inside. If you can, stay inside an environment with HEPA air filtration (MERV13). If you must go outside, wear a properly fitted KN-95 mask. But better yet, just don't. pic.twitter.com/UtJeezEKTG
      8 replies 28 retweets 99 likes
      Show this thread
    2. Kim-Mai Cutler‏Verified account @kimmaicutler Aug 27
      Replying to @MarshallBBurke

      What were the AQI levels that were relevant from that paper btw? Like X# for how long, etc.

      1 reply 0 retweets 4 likes
    3. Marshall Burke‏ @MarshallBBurke Aug 27
      Replying to @kimmaicutler

      We find that each additional smoke day is bad, so basically there's no safe level of exposure and you should just try to limit exposure. Below is the effect of a smoke day (day with any smoke in the air) on risk of preterm birth.pic.twitter.com/Zd6vl13Dr4

      1 reply 0 retweets 1 like
    4. Kim-Mai Cutler‏Verified account @kimmaicutler Aug 27
      Replying to @MarshallBBurke

      What AQI # qualifies as a “smoke day”?

      1 reply 0 retweets 3 likes
      Thijs Niks‏ @thijsniks Aug 28
      Replying to @kimmaicutler @MarshallBBurke

      Would love to know this too!

      10:38 AM - 28 Aug 2021
      1 reply 0 retweets 0 likes
        1. New conversation
        2. Kim-Mai Cutler‏Verified account @kimmaicutler Aug 28
          Replying to @thijsniks @MarshallBBurke

          Kim-Mai Cutler Retweeted Marshall Burke

          I think I calculated it out to be 40 AQI is an “intense” day based on 10 μg/m3. Pretty shockingly low IMHO compared to what we’re seeing now.https://twitter.com/marshallbburke/status/1431422822539087874?s=21 …

          Kim-Mai Cutler added,

          Marshall Burke @MarshallBBurke
          For those interested, below is the paper link and here is the main results figure. on the left is effect of any day with smoke in the air, on the right is effect my smoke intensity. Worse days are worse, basically, and effect is linear. http://web.stanford.edu/~mburke/papers/heftneal_etal_2021_PTB.pdf … pic.twitter.com/V16zBUYBnC
          Show this thread
          1 reply 0 retweets 2 likes
        3. Thijs Niks‏ @thijsniks Aug 28
          Replying to @kimmaicutler

          pic.twitter.com/xIT3fMwNU1

          0 replies 0 retweets 0 likes
        4. End of conversation

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