{"id": 542348559363080194, "lang": "en", "text": "Particulate matter is a mixture of solid particles and liquid droplets found in the air, like dirt, soot, or smoke. http://t.co/j6o0jCtxtR", "urls": [{"url": "http://t.co/j6o0jCtxtR", "expanded_url": "http://go.usa.gov/EBX9"}], "user": {"id": 14615871}, "id_str": "542348559363080194", "source": "<a href=\"http://www.hootsuite.com\" rel=\"nofollow\">Hootsuite</a>", "deleted": false, "hashtags": [], "retrieved": "2017-05-19--04-54-02", "created_at": "Tue Dec 09 16:02:27 +0000 2014", "retweet_count": 13, "user_mentions": [], "favorite_count": 8, "legacy_imported": true}