AQSQID: 470090101

Site Name: Look Rock - Gsmnp

Location: Blount Co, TN

Reporting: True, Located: True

Current AQI: 33.0

Blount Co TN, US: 35.6322, -83.9422

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
May 21, 2019, 1 p.m. N/A 0.1 ppb (0) 1.2 ppb (1) N/A 1.1 ppb (1) N/A 43.0 ppb (33) 0.11 ppb (1) N/A 6.0 μg/m3 (25) 33.0
 
May 21, 2019, noon N/A 0.3 ppb (0) 15.0 ppb (14) N/A 14.6 ppb (14) N/A 43.0 ppb (33) 0.16 ppb (2) N/A 7.0 μg/m3 (29) 33.0
 
May 21, 2019, 11 a.m. N/A 0.5 ppb (0) 32.8 ppb (30) N/A 32.3 ppb (30) N/A 46.0 ppb (35) 0.11 ppb (1) N/A 13.0 μg/m3 (52) 52.0
 
May 21, 2019, 10 a.m. N/A 0.0 ppb (0) 1.0 ppb (1) N/A 0.9 ppb (1) N/A 47.0 ppb (36) 0.09 ppb (1) N/A 7.0 μg/m3 (29) 36.0
 
May 21, 2019, 9 a.m. N/A 0.0 ppb (0) 1.1 ppb (1) N/A 1.0 ppb (1) N/A 46.0 ppb (35) 0.12 ppb (1) N/A 6.0 μg/m3 (25) 35.0
 
May 21, 2019, 8 a.m. N/A 0.0 ppb (0) 1.1 ppb (1) N/A 1.1 ppb (1) N/A 46.0 ppb (35) 0.12 ppb (1) N/A 6.0 μg/m3 (25) 35.0
 
May 21, 2019, 7 a.m. N/A 0.0 ppb (0) 1.2 ppb (1) N/A 1.1 ppb (1) N/A 47.0 ppb (36) 0.12 ppb (1) N/A 5.0 μg/m3 (21) 36.0
 
May 21, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A N/A 5.0 μg/m3 (21) 36.0
 
May 21, 2019, 5 a.m. N/A 0.1 ppb (0) 1.3 ppb (1) N/A 1.2 ppb (1) N/A 48.0 ppb (37) 0.12 ppb (1) N/A 3.0 μg/m3 (12) 37.0
 
May 21, 2019, 4 a.m. N/A 0.0 ppb (0) 1.4 ppb (1) N/A 1.3 ppb (1) N/A 47.0 ppb (36) 0.1 ppb (1) N/A 7.0 μg/m3 (29) 36.0
 
May 21, 2019, 3 a.m. N/A 0.0 ppb (0) 1.6 ppb (1) N/A 1.5 ppb (1) N/A 48.0 ppb (37) 0.14 ppb (2) N/A 6.0 μg/m3 (25) 37.0
 
May 21, 2019, 2 a.m. N/A 0.1 ppb (0) 2.4 ppb (2) N/A 2.4 ppb (2) N/A 47.0 ppb (36) 0.15 ppb (2) N/A 10.0 μg/m3 (42) 42.0
 
May 21, 2019, 1 a.m. N/A 0.0 ppb (0) 1.4 ppb (1) N/A 1.4 ppb (1) N/A 50.0 ppb (38) 0.13 ppb (1) N/A 5.0 μg/m3 (21) 38.0
 
May 21, 2019, midnight N/A 0.1 ppb (0) 1.2 ppb (1) N/A 1.1 ppb (1) N/A 48.0 ppb (37) 0.13 ppb (1) N/A 7.0 μg/m3 (29) 37.0
 
May 20, 2019, 11 p.m. N/A 0.1 ppb (0) 1.1 ppb (1) N/A 1.0 ppb (1) N/A 46.0 ppb (35) 0.13 ppb (1) N/A 6.0 μg/m3 (25) 35.0
 
May 20, 2019, 10 p.m. N/A 0.1 ppb (0) 1.1 ppb (1) N/A 1.0 ppb (1) N/A 48.0 ppb (37) 0.11 ppb (1) N/A 9.0 μg/m3 (38) 38.0
 
May 20, 2019, 9 p.m. N/A 0.1 ppb (0) 1.3 ppb (1) N/A 1.2 ppb (1) N/A 48.0 ppb (37) 0.14 ppb (2) N/A 8.0 μg/m3 (33) 37.0
 
May 20, 2019, 8 p.m. N/A 0.1 ppb (0) 1.3 ppb (1) N/A 1.2 ppb (1) N/A 48.0 ppb (37) 0.14 ppb (2) N/A 7.0 μg/m3 (29) 37.0
 
May 20, 2019, 7 p.m. N/A 0.1 ppb (0) 1.3 ppb (1) N/A 1.2 ppb (1) N/A 46.0 ppb (35) 0.14 ppb (2) N/A 3.0 μg/m3 (12) 35.0
 
May 20, 2019, 6 p.m. N/A 0.1 ppb (0) 1.3 ppb (1) N/A 1.2 ppb (1) N/A 46.0 ppb (35) 0.14 ppb (2) N/A 5.0 μg/m3 (21) 35.0
 
May 20, 2019, 5 p.m. N/A 0.1 ppb (0) 1.3 ppb (1) N/A 1.1 ppb (1) N/A 44.0 ppb (34) 0.13 ppb (1) N/A 1.0 μg/m3 (4) 34.0
 
May 20, 2019, 4 p.m. N/A 0.1 ppb (0) 1.2 ppb (1) N/A 1.1 ppb (1) N/A 41.0 ppb (32) 0.12 ppb (1) N/A N/A 32.0
 
May 20, 2019, 3 p.m. N/A 0.1 ppb (0) 1.5 ppb (1) N/A 1.3 ppb (1) N/A 38.0 ppb (29) 0.15 ppb (2) N/A 14.0 μg/m3 (54) 54.0
 
May 20, 2019, 2 p.m. N/A 0.1 ppb (0) 1.6 ppb (1) N/A 1.5 ppb (1) N/A 36.0 ppb (28) 0.15 ppb (2) N/A 13.0 μg/m3 (52) 52.0
 
May 20, 2019, 1 p.m. N/A 0.1 ppb (0) 1.4 ppb (1) N/A 1.3 ppb (1) N/A 36.0 ppb (28) 0.14 ppb (2) N/A 12.0 μg/m3 (50) 50.0
 
May 20, 2019, noon N/A 0.1 ppb (0) 1.4 ppb (1) N/A 1.3 ppb (1) N/A 37.0 ppb (28) 0.14 ppb (2) N/A 11.0 μg/m3 (46) 46.0
 
May 20, 2019, 11 a.m. N/A 0.1 ppb (0) 1.5 ppb (1) N/A 1.3 ppb (1) N/A 40.0 ppb (31) 0.14 ppb (2) N/A 14.0 μg/m3 (54) 54.0
 
May 20, 2019, 10 a.m. N/A 0.1 ppb (0) 1.3 ppb (1) N/A 1.2 ppb (1) N/A 42.0 ppb (32) 0.12 ppb (1) N/A 10.0 μg/m3 (42) 42.0
 
May 20, 2019, 9 a.m. N/A 0.1 ppb (0) 1.1 ppb (1) N/A 1.1 ppb (1) N/A 43.0 ppb (33) 0.17 ppb (2) N/A 10.0 μg/m3 (42) 42.0
 
May 20, 2019, 8 a.m. N/A 0.0 ppb (0) 1.0 ppb (1) N/A 1.0 ppb (1) N/A 45.0 ppb (35) 0.17 ppb (2) N/A 11.0 μg/m3 (46) 46.0
 
May 20, 2019, 7 a.m. N/A 0.1 ppb (0) 1.0 ppb (1) N/A 0.9 ppb (1) N/A 47.0 ppb (36) 0.16 ppb (2) N/A 11.0 μg/m3 (46) 46.0
 
May 20, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (37) N/A N/A 8.0 μg/m3 (33) 37.0
 
May 20, 2019, 5 a.m. N/A 0.1 ppb (0) 1.0 ppb (1) N/A 0.9 ppb (1) N/A 48.0 ppb (37) 0.17 ppb (2) N/A 10.0 μg/m3 (42) 42.0
 
May 20, 2019, 4 a.m. N/A 0.1 ppb (0) 1.0 ppb (1) N/A 0.9 ppb (1) N/A 48.0 ppb (37) 0.16 ppb (2) N/A 11.0 μg/m3 (46) 46.0
 
May 20, 2019, 3 a.m. N/A 0.2 ppb (0) 1.3 ppb (1) N/A 1.0 ppb (1) N/A 49.0 ppb (38) 0.17 ppb (2) N/A 11.0 μg/m3 (46) 46.0
 
May 20, 2019, 1 a.m. N/A 0.0 ppb (0) 1.0 ppb (1) N/A 1.0 ppb (1) N/A N/A 0.18 ppb (2) N/A N/A 2.0
 
May 20, 2019, midnight N/A 0.1 ppb (0) 1.0 ppb (1) N/A 0.9 ppb (1) N/A N/A 0.17 ppb (2) N/A N/A 2.0
 
May 19, 2019, 11 p.m. N/A 0.1 ppb (0) 1.0 ppb (1) N/A 0.9 ppb (1) N/A N/A 0.17 ppb (2) N/A N/A 2.0
 
May 19, 2019, 10 p.m. N/A 0.1 ppb (0) 1.1 ppb (1) N/A 1.0 ppb (1) N/A N/A 0.16 ppb (2) N/A N/A 2.0
 
May 19, 2019, 9 p.m. N/A 0.1 ppb (0) 1.1 ppb (1) N/A 1.0 ppb (1) N/A N/A 0.16 ppb (2) N/A N/A 2.0
 
May 19, 2019, 8 p.m. N/A 0.1 ppb (0) 1.2 ppb (1) N/A 1.1 ppb (1) N/A N/A 0.16 ppb (2) N/A N/A 2.0
 
May 19, 2019, 7 p.m. N/A 0.1 ppb (0) 1.2 ppb (1) N/A 1.1 ppb (1) N/A N/A 0.17 ppb (2) N/A N/A 2.0
 
May 19, 2019, 6 p.m. N/A 0.1 ppb (0) 1.4 ppb (1) N/A 1.2 ppb (1) N/A N/A 0.17 ppb (2) N/A N/A 2.0
 
May 19, 2019, 5 p.m. N/A 0.1 ppb (0) 1.3 ppb (1) N/A 1.2 ppb (1) N/A N/A 0.18 ppb (2) N/A N/A 2.0
 
May 19, 2019, 4 p.m. N/A 0.1 ppb (0) 1.3 ppb (1) N/A 1.2 ppb (1) N/A N/A 0.17 ppb (2) N/A N/A 2.0
 
May 19, 2019, 3 p.m. N/A 0.1 ppb (0) 1.3 ppb (1) N/A 1.1 ppb (1) N/A N/A 0.19 ppb (2) N/A N/A 2.0
 
May 19, 2019, 2 p.m. N/A 0.1 ppb (0) 1.2 ppb (1) N/A 1.1 ppb (1) N/A N/A 0.19 ppb (2) N/A N/A 2.0
 
May 19, 2019, 1 p.m. N/A 0.1 ppb (0) 1.3 ppb (1) N/A 1.2 ppb (1) N/A N/A 0.19 ppb (2) N/A N/A 2.0
 
May 19, 2019, noon N/A 0.9 ppb (1) 14.8 ppb (14) N/A 13.9 ppb (13) N/A 41.0 ppb (32) 0.18 ppb (2) N/A 18.0 μg/m3 (63) 63.0
 
May 19, 2019, 11 a.m. N/A 0.4 ppb (0) 32.7 ppb (30) N/A 32.2 ppb (30) N/A 44.0 ppb (34) 0.19 ppb (2) N/A 18.0 μg/m3 (63) 63.0
 
May 19, 2019, 10 a.m. N/A 0.0 ppb (0) 1.3 ppb (1) N/A 1.2 ppb (1) N/A 47.0 ppb (36) 0.18 ppb (2) N/A 19.0 μg/m3 (65) 65.0
 
May 19, 2019, 9 a.m. N/A 0.1 ppb (0) 1.4 ppb (1) N/A 1.3 ppb (1) N/A 48.0 ppb (37) 0.19 ppb (2) N/A 21.0 μg/m3 (69) 69.0
 
May 19, 2019, 8 a.m. N/A 0.1 ppb (0) 1.4 ppb (1) N/A 1.3 ppb (1) N/A 50.0 ppb (38) 0.19 ppb (2) N/A 23.0 μg/m3 (73) 73.0
 
May 19, 2019, 7 a.m. N/A 0.1 ppb (0) 1.7 ppb (2) N/A 1.6 ppb (1) N/A 55.0 ppb (42) 0.2 ppb (2) N/A 22.0 μg/m3 (71) 71.0
 
May 19, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 60.0 ppb (46) N/A N/A 20.0 μg/m3 (67) 67.0
 
May 19, 2019, 5 a.m. N/A 0.0 ppb (0) 1.9 ppb (2) N/A 1.8 ppb (2) N/A 63.0 ppb (48) 0.2 ppb (2) N/A 19.0 μg/m3 (65) 65.0
 
May 19, 2019, 4 a.m. N/A 0.0 ppb (0) 1.5 ppb (1) N/A 1.4 ppb (1) N/A 56.0 ppb (43) 0.18 ppb (2) N/A 17.0 μg/m3 (61) 61.0
 
May 19, 2019, 3 a.m. N/A 0.1 ppb (0) 1.2 ppb (1) N/A 1.1 ppb (1) N/A 49.0 ppb (38) 0.17 ppb (2) N/A 16.0 μg/m3 (59) 59.0
 
May 19, 2019, 2 a.m. N/A 0.1 ppb (0) 1.4 ppb (1) N/A 1.3 ppb (1) N/A 53.0 ppb (41) 0.17 ppb (2) N/A 18.0 μg/m3 (63) 63.0
 
May 19, 2019, 1 a.m. N/A 0.1 ppb (0) 1.6 ppb (1) N/A 1.6 ppb (1) N/A 58.0 ppb (45) 0.17 ppb (2) N/A 16.0 μg/m3 (59) 59.0
 
May 19, 2019, midnight N/A 0.1 ppb (0) 1.5 ppb (1) N/A 1.4 ppb (1) N/A 57.0 ppb (44) 0.17 ppb (2) N/A 13.0 μg/m3 (52) 52.0
 
May 18, 2019, 11 p.m. N/A 0.1 ppb (0) 1.1 ppb (1) N/A 1.0 ppb (1) N/A 47.0 ppb (36) 0.17 ppb (2) N/A 16.0 μg/m3 (59) 59.0
 
May 18, 2019, 10 p.m. N/A 0.1 ppb (0) 1.1 ppb (1) N/A 1.0 ppb (1) N/A 48.0 ppb (37) 0.15 ppb (2) N/A 8.0 μg/m3 (33) 37.0
 
May 18, 2019, 9 p.m. N/A 0.1 ppb (0) 1.2 ppb (1) N/A 1.1 ppb (1) N/A 48.0 ppb (37) 0.17 ppb (2) N/A 11.0 μg/m3 (46) 46.0
 
May 18, 2019, 8 p.m. N/A 0.1 ppb (0) 1.4 ppb (1) N/A 1.3 ppb (1) N/A 44.0 ppb (34) 0.19 ppb (2) N/A 17.0 μg/m3 (61) 61.0
 
May 18, 2019, 7 p.m. N/A 0.1 ppb (0) 1.4 ppb (1) N/A 1.3 ppb (1) N/A 44.0 ppb (34) 0.19 ppb (2) N/A 15.0 μg/m3 (56) 56.0
 
May 18, 2019, 6 p.m. N/A 0.1 ppb (0) 1.6 ppb (1) N/A 1.4 ppb (1) N/A 42.0 ppb (32) 0.19 ppb (2) N/A 20.0 μg/m3 (67) 67.0
 
May 18, 2019, 5 p.m. N/A 0.1 ppb (0) 1.5 ppb (1) N/A 1.4 ppb (1) N/A 42.0 ppb (32) 0.19 ppb (2) N/A 20.0 μg/m3 (67) 67.0
 
May 18, 2019, 4 p.m. N/A 0.1 ppb (0) 1.4 ppb (1) N/A 1.3 ppb (1) N/A 39.0 ppb (30) 0.18 ppb (2) N/A 19.0 μg/m3 (65) 65.0
 
May 18, 2019, 3 p.m. N/A 0.1 ppb (0) 1.5 ppb (1) N/A 1.4 ppb (1) N/A 32.0 ppb (25) 0.2 ppb (2) N/A 25.0 μg/m3 (78) 78.0
 
May 18, 2019, 2 p.m. N/A 0.1 ppb (0) 1.5 ppb (1) N/A 1.4 ppb (1) N/A 31.0 ppb (24) 0.19 ppb (2) N/A 29.0 μg/m3 (86) 86.0
 
May 18, 2019, 1 p.m. N/A 0.1 ppb (0) 1.5 ppb (1) N/A 1.4 ppb (1) N/A 40.0 ppb (31) 0.18 ppb (2) N/A 23.0 μg/m3 (73) 73.0
 
May 18, 2019, noon N/A 0.1 ppb (0) 1.6 ppb (1) N/A 1.5 ppb (1) N/A 48.0 ppb (37) 0.18 ppb (2) N/A 18.0 μg/m3 (63) 63.0
 
May 18, 2019, 11 a.m. N/A 0.1 ppb (0) 1.7 ppb (2) N/A 1.6 ppb (1) N/A 51.0 ppb (39) 0.17 ppb (2) N/A 17.0 μg/m3 (61) 61.0
 
May 18, 2019, 10 a.m. N/A 0.1 ppb (0) 1.7 ppb (2) N/A 1.6 ppb (1) N/A 51.0 ppb (39) 0.16 ppb (2) N/A 17.0 μg/m3 (61) 61.0
 
May 18, 2019, 9 a.m. N/A 0.1 ppb (0) 1.7 ppb (2) N/A 1.6 ppb (1) N/A 50.0 ppb (38) 0.18 ppb (2) N/A 16.0 μg/m3 (59) 59.0
 
May 18, 2019, 8 a.m. N/A 0.1 ppb (0) 1.8 ppb (2) N/A 1.7 ppb (2) N/A 49.0 ppb (38) 0.18 ppb (2) N/A 16.0 μg/m3 (59) 59.0
 
May 18, 2019, 7 a.m. N/A 0.1 ppb (0) 1.7 ppb (2) N/A 1.6 ppb (1) N/A 51.0 ppb (39) 0.18 ppb (2) N/A 16.0 μg/m3 (59) 59.0
 
May 18, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (41) N/A N/A 13.0 μg/m3 (52) 52.0
 
May 18, 2019, 5 a.m. N/A 0.1 ppb (0) 1.7 ppb (2) N/A 1.6 ppb (1) N/A 56.0 ppb (43) 0.18 ppb (2) N/A 12.0 μg/m3 (50) 50.0
 
May 18, 2019, 4 a.m. N/A 0.1 ppb (0) 1.7 ppb (2) N/A 1.6 ppb (1) N/A 56.0 ppb (43) 0.17 ppb (2) N/A 14.0 μg/m3 (54) 54.0
 
May 18, 2019, 3 a.m. N/A 0.1 ppb (0) 1.5 ppb (1) N/A 1.5 ppb (1) N/A 53.0 ppb (41) 0.18 ppb (2) N/A 15.0 μg/m3 (56) 56.0
 
May 18, 2019, 2 a.m. N/A 0.1 ppb (0) 1.7 ppb (2) N/A 1.6 ppb (1) N/A 54.0 ppb (42) 0.18 ppb (2) N/A 16.0 μg/m3 (59) 59.0
 
May 18, 2019, 1 a.m. N/A 0.1 ppb (0) 1.9 ppb (2) N/A 1.8 ppb (2) N/A 57.0 ppb (44) 0.18 ppb (2) N/A 15.0 μg/m3 (56) 56.0
 
May 18, 2019, midnight N/A 0.1 ppb (0) 1.6 ppb (1) N/A 1.6 ppb (1) N/A 55.0 ppb (42) 0.17 ppb (2) N/A 13.0 μg/m3 (52) 52.0
 
May 17, 2019, 11 p.m. N/A 0.1 ppb (0) 1.5 ppb (1) N/A 1.4 ppb (1) N/A 49.0 ppb (38) 0.17 ppb (2) N/A 10.0 μg/m3 (42) 42.0
 
May 17, 2019, 10 p.m. N/A 0.1 ppb (0) 1.7 ppb (2) N/A 1.5 ppb (1) N/A 49.0 ppb (38) 0.16 ppb (2) N/A 11.0 μg/m3 (46) 46.0
 
May 17, 2019, 9 p.m. N/A 0.1 ppb (0) 1.8 ppb (2) N/A 1.6 ppb (1) N/A 49.0 ppb (38) 0.18 ppb (2) N/A 17.0 μg/m3 (61) 61.0
 
May 17, 2019, 8 p.m. N/A 0.1 ppb (0) 1.7 ppb (2) N/A 1.6 ppb (1) N/A 49.0 ppb (38) 0.18 ppb (2) N/A 12.0 μg/m3 (50) 50.0
 
May 17, 2019, 7 p.m. N/A 0.1 ppb (0) 1.8 ppb (2) N/A 1.6 ppb (1) N/A 48.0 ppb (37) 0.19 ppb (2) N/A 19.0 μg/m3 (65) 65.0
 
May 17, 2019, 6 p.m. N/A 0.1 ppb (0) 1.7 ppb (2) N/A 1.6 ppb (1) N/A 44.0 ppb (34) 0.19 ppb (2) N/A 21.0 μg/m3 (69) 69.0
 
May 17, 2019, 5 p.m. N/A 0.1 ppb (0) 1.7 ppb (2) N/A 1.6 ppb (1) N/A 45.0 ppb (35) 0.19 ppb (2) N/A 19.0 μg/m3 (65) 65.0
 
May 17, 2019, 4 p.m. N/A 0.1 ppb (0) 1.7 ppb (2) N/A 1.5 ppb (1) N/A 44.0 ppb (34) 0.17 ppb (2) N/A 18.0 μg/m3 (63) 63.0
 
May 17, 2019, 3 p.m. N/A 0.1 ppb (0) 1.6 ppb (1) N/A 1.5 ppb (1) N/A 40.0 ppb (31) 0.2 ppb (2) N/A 17.0 μg/m3 (61) 61.0
 
May 17, 2019, 2 p.m. N/A 0.1 ppb (0) 1.7 ppb (2) N/A 1.6 ppb (1) N/A 40.0 ppb (31) 0.2 ppb (2) N/A 19.0 μg/m3 (65) 65.0
 
May 17, 2019, 1 p.m. N/A 0.1 ppb (0) 1.8 ppb (2) N/A 1.8 ppb (2) N/A 47.0 ppb (36) 0.19 ppb (2) N/A 14.0 μg/m3 (54) 54.0
 
May 17, 2019, noon N/A 0.8 ppb (1) 15.2 ppb (14) N/A 14.3 ppb (13) N/A 46.0 ppb (35) 0.17 ppb (2) N/A 15.0 μg/m3 (56) 56.0
 
May 17, 2019, 11 a.m. N/A 1.0 ppb (1) 34.0 ppb (31) N/A 33.0 ppb (31) N/A 48.0 ppb (37) 0.18 ppb (2) N/A 15.0 μg/m3 (56) 56.0
 
May 17, 2019, 10 a.m. N/A 0.1 ppb (0) 1.8 ppb (2) N/A 1.7 ppb (2) N/A 49.0 ppb (38) 0.17 ppb (2) N/A 14.0 μg/m3 (54) 54.0
 
May 17, 2019, 9 a.m. N/A 0.0 ppb (0) 2.2 ppb (2) N/A 2.1 ppb (2) N/A 49.0 ppb (38) 0.18 ppb (2) N/A 11.0 μg/m3 (46) 46.0
 
May 17, 2019, 8 a.m. N/A 0.1 ppb (0) 2.5 ppb (2) N/A 2.4 ppb (2) N/A 49.0 ppb (38) 0.18 ppb (2) N/A 12.0 μg/m3 (50) 50.0
 
May 17, 2019, 7 a.m. N/A 0.1 ppb (0) 3.2 ppb (3) N/A 3.1 ppb (3) N/A 47.0 ppb (36) 0.18 ppb (2) N/A 8.0 μg/m3 (33) 36.0
 
May 17, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (38) N/A N/A 13.0 μg/m3 (52) 52.0
 
May 17, 2019, 5 a.m. N/A 0.1 ppb (0) 2.4 ppb (2) N/A 2.2 ppb (2) N/A 58.0 ppb (45) 0.18 ppb (2) N/A 11.0 μg/m3 (46) 46.0
 
May 17, 2019, 4 a.m. N/A 0.1 ppb (0) 2.0 ppb (2) N/A 1.9 ppb (2) N/A 57.0 ppb (44) 0.16 ppb (2) N/A 13.0 μg/m3 (52) 52.0
 
May 17, 2019, 3 a.m. N/A 0.2 ppb (0) 2.0 ppb (2) N/A 1.8 ppb (2) N/A 56.0 ppb (43) 0.16 ppb (2) N/A 12.0 μg/m3 (50) 50.0
 
May 17, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 57.0 ppb (44) N/A N/A 10.0 μg/m3 (42) 44.0
 
May 17, 2019, 1 a.m. N/A 0.1 ppb (0) 2.0 ppb (2) N/A 1.9 ppb (2) N/A 58.0 ppb (45) 0.17 ppb (2) N/A 11.0 μg/m3 (46) 46.0
 
May 17, 2019, midnight N/A 0.1 ppb (0) 1.9 ppb (2) N/A 1.8 ppb (2) N/A 58.0 ppb (45) 0.17 ppb (2) N/A 11.0 μg/m3 (46) 46.0
 
May 16, 2019, 11 p.m. N/A 0.1 ppb (0) 1.9 ppb (2) N/A 1.8 ppb (2) N/A 57.0 ppb (44) 0.16 ppb (2) N/A 11.0 μg/m3 (46) 46.0
 
May 16, 2019, 10 p.m. N/A 0.1 ppb (0) 1.8 ppb (2) N/A 1.6 ppb (1) N/A 56.0 ppb (43) 0.15 ppb (2) N/A 10.0 μg/m3 (42) 43.0
 
May 16, 2019, 9 p.m. N/A 0.1 ppb (0) 1.9 ppb (2) N/A 1.7 ppb (2) N/A 55.0 ppb (42) 0.17 ppb (2) N/A 8.0 μg/m3 (33) 42.0
 
May 16, 2019, 8 p.m. N/A 0.1 ppb (0) 1.9 ppb (2) N/A 1.7 ppb (2) N/A 56.0 ppb (43) 0.17 ppb (2) N/A 7.0 μg/m3 (29) 43.0
 
May 16, 2019, 7 p.m. N/A 0.1 ppb (0) 1.6 ppb (1) N/A 1.5 ppb (1) N/A 51.0 ppb (39) 0.17 ppb (2) N/A 10.0 μg/m3 (42) 42.0
 
May 16, 2019, 6 p.m. N/A 0.1 ppb (0) 1.4 ppb (1) N/A 1.3 ppb (1) N/A 46.0 ppb (35) 0.17 ppb (2) N/A 10.0 μg/m3 (42) 42.0
 
May 16, 2019, 5 p.m. N/A 0.2 ppb (0) 1.5 ppb (1) N/A 1.3 ppb (1) N/A 42.0 ppb (32) 0.17 ppb (2) N/A 11.0 μg/m3 (46) 46.0
 
May 16, 2019, 4 p.m. N/A 0.1 ppb (0) 1.6 ppb (1) N/A 1.4 ppb (1) N/A 41.0 ppb (32) 0.16 ppb (2) N/A 10.0 μg/m3 (42) 42.0
 
May 16, 2019, 3 p.m. N/A 0.2 ppb (0) 1.3 ppb (1) N/A 1.2 ppb (1) N/A 36.0 ppb (28) 0.18 ppb (2) N/A 7.0 μg/m3 (29) 29.0
 
May 16, 2019, 2 p.m. N/A 0.2 ppb (0) 1.2 ppb (1) N/A 1.0 ppb (1) N/A 32.0 ppb (25) 0.17 ppb (2) N/A 12.0 μg/m3 (50) 50.0
 
May 16, 2019, 1 p.m. N/A 0.2 ppb (0) 1.4 ppb (1) N/A 1.2 ppb (1) N/A 40.0 ppb (31) 0.16 ppb (2) N/A 10.0 μg/m3 (42) 42.0
 
May 16, 2019, noon N/A 0.1 ppb (0) 1.4 ppb (1) N/A 1.2 ppb (1) N/A 44.0 ppb (34) 0.15 ppb (2) N/A 9.0 μg/m3 (38) 38.0
 
May 16, 2019, 11 a.m. N/A 0.1 ppb (0) 1.4 ppb (1) N/A 1.3 ppb (1) N/A 49.0 ppb (38) 0.15 ppb (2) N/A 8.0 μg/m3 (33) 38.0
 
May 16, 2019, 10 a.m. N/A 0.1 ppb (0) 1.2 ppb (1) N/A 1.1 ppb (1) N/A 47.0 ppb (36) 0.14 ppb (2) N/A 7.0 μg/m3 (29) 36.0
 
May 16, 2019, 9 a.m. N/A 0.1 ppb (0) 1.4 ppb (1) N/A 1.3 ppb (1) N/A 48.0 ppb (37) 0.15 ppb (2) N/A 6.0 μg/m3 (25) 37.0
 
May 16, 2019, 8 a.m. N/A 0.1 ppb (0) 1.5 ppb (1) N/A 1.3 ppb (1) N/A 49.0 ppb (38) 0.15 ppb (2) N/A 6.0 μg/m3 (25) 38.0
 
May 16, 2019, 7 a.m. N/A 0.1 ppb (0) 1.6 ppb (1) N/A 1.5 ppb (1) N/A 49.0 ppb (38) 0.15 ppb (2) N/A 6.0 μg/m3 (25) 38.0
 
May 16, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (37) N/A N/A 5.0 μg/m3 (21) 37.0
 
May 16, 2019, 5 a.m. N/A 0.1 ppb (0) 2.0 ppb (2) N/A 1.9 ppb (2) N/A 45.0 ppb (35) 0.16 ppb (2) N/A 8.0 μg/m3 (33) 35.0
 
May 16, 2019, 4 a.m. N/A 0.1 ppb (0) 2.1 ppb (2) N/A 1.9 ppb (2) N/A 44.0 ppb (34) 0.16 ppb (2) N/A 6.0 μg/m3 (25) 34.0
 
May 16, 2019, 3 a.m. N/A 0.1 ppb (0) 1.9 ppb (2) N/A 1.8 ppb (2) N/A 42.0 ppb (32) 0.17 ppb (2) N/A 11.0 μg/m3 (46) 46.0
 
May 16, 2019, 2 a.m. N/A 0.1 ppb (0) 2.5 ppb (2) N/A 2.4 ppb (2) N/A 46.0 ppb (35) 0.17 ppb (2) N/A 13.0 μg/m3 (52) 52.0
 
May 16, 2019, 1 a.m. N/A 0.1 ppb (0) 2.4 ppb (2) N/A 2.2 ppb (2) N/A 46.0 ppb (35) 0.17 ppb (2) N/A 10.0 μg/m3 (42) 42.0
 
May 16, 2019, midnight N/A 0.1 ppb (0) 2.4 ppb (2) N/A 2.3 ppb (2) N/A 47.0 ppb (36) 0.17 ppb (2) N/A 10.0 μg/m3 (42) 42.0
 
May 15, 2019, 11 p.m. N/A 0.1 ppb (0) 2.3 ppb (2) N/A 2.1 ppb (2) N/A 44.0 ppb (34) 0.17 ppb (2) N/A 12.0 μg/m3 (50) 50.0
 
May 15, 2019, 10 p.m. N/A 0.2 ppb (0) 1.9 ppb (2) N/A 1.7 ppb (2) N/A 42.0 ppb (32) 0.16 ppb (2) N/A 9.0 μg/m3 (38) 38.0
 
May 15, 2019, 9 p.m. N/A 0.1 ppb (0) 1.4 ppb (1) N/A 1.3 ppb (1) N/A 42.0 ppb (32) 0.16 ppb (2) N/A 8.0 μg/m3 (33) 33.0
 
May 15, 2019, 8 p.m. N/A 0.2 ppb (0) 1.4 ppb (1) N/A 1.2 ppb (1) N/A 40.0 ppb (31) 0.16 ppb (2) N/A 7.0 μg/m3 (29) 31.0
 
May 15, 2019, 7 p.m. N/A 0.2 ppb (0) 1.6 ppb (1) N/A 1.4 ppb (1) N/A 41.0 ppb (32) 0.16 ppb (2) N/A 7.0 μg/m3 (29) 32.0
 
May 15, 2019, 6 p.m. N/A 0.2 ppb (0) 1.5 ppb (1) N/A 1.4 ppb (1) N/A 41.0 ppb (32) 0.16 ppb (2) N/A 7.0 μg/m3 (29) 32.0
 
May 15, 2019, 5 p.m. N/A 0.2 ppb (0) 1.5 ppb (1) N/A 1.3 ppb (1) N/A 39.0 ppb (30) 0.16 ppb (2) N/A 7.0 μg/m3 (29) 30.0
 
May 15, 2019, 4 p.m. N/A 0.2 ppb (0) 1.3 ppb (1) N/A 1.1 ppb (1) N/A 38.0 ppb (29) 0.14 ppb (2) N/A 6.0 μg/m3 (25) 29.0
 
May 15, 2019, 3 p.m. N/A 0.2 ppb (0) 1.4 ppb (1) N/A 1.2 ppb (1) N/A 35.0 ppb (27) 0.15 ppb (2) N/A 11.0 μg/m3 (46) 46.0
 
May 15, 2019, 2 p.m. N/A 0.2 ppb (0) 1.4 ppb (1) N/A 1.2 ppb (1) N/A 36.0 ppb (28) 0.15 ppb (2) N/A 9.0 μg/m3 (38) 38.0
 
May 15, 2019, 1 p.m. N/A 0.2 ppb (0) 1.6 ppb (1) N/A 1.4 ppb (1) N/A 43.0 ppb (33) 0.14 ppb (2) N/A 13.0 μg/m3 (52) 52.0
 
May 15, 2019, noon N/A 0.3 ppb (0) 14.6 ppb (14) N/A 14.3 ppb (13) N/A 45.0 ppb (35) 0.12 ppb (1) N/A 7.0 μg/m3 (29) 35.0
 
May 15, 2019, 11 a.m. N/A 0.6 ppb (1) 31.7 ppb (29) N/A 31.1 ppb (29) N/A 48.0 ppb (37) 0.13 ppb (1) N/A 9.0 μg/m3 (38) 38.0
 
May 15, 2019, 10 a.m. N/A 0.1 ppb (0) 1.4 ppb (1) N/A 1.3 ppb (1) N/A 49.0 ppb (38) 0.12 ppb (1) N/A 7.0 μg/m3 (29) 38.0
 
May 15, 2019, 9 a.m. N/A 0.1 ppb (0) 1.6 ppb (1) N/A 1.4 ppb (1) N/A 50.0 ppb (38) 0.14 ppb (2) N/A 8.0 μg/m3 (33) 38.0
 
May 15, 2019, 8 a.m. N/A 0.1 ppb (0) 1.6 ppb (1) N/A 1.5 ppb (1) N/A 51.0 ppb (39) 0.14 ppb (2) N/A 6.0 μg/m3 (25) 39.0
 
May 15, 2019, 7 a.m. N/A 0.1 ppb (0) 1.7 ppb (2) N/A 1.5 ppb (1) N/A 51.0 ppb (39) 0.14 ppb (2) N/A 6.0 μg/m3 (25) 39.0
 
May 15, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (39) N/A N/A 4.0 μg/m3 (17) 39.0
 
May 15, 2019, 5 a.m. N/A 0.1 ppb (0) 1.8 ppb (2) N/A 1.6 ppb (1) N/A 52.0 ppb (40) 0.14 ppb (2) N/A 5.0 μg/m3 (21) 40.0
 
May 15, 2019, 4 a.m. N/A 0.1 ppb (0) 1.6 ppb (1) N/A 1.5 ppb (1) N/A 51.0 ppb (39) 0.14 ppb (2) N/A 5.0 μg/m3 (21) 39.0
 
May 15, 2019, 3 a.m. N/A 0.1 ppb (0) 1.8 ppb (2) N/A 1.6 ppb (1) N/A 51.0 ppb (39) 0.14 ppb (2) N/A 5.0 μg/m3 (21) 39.0
 
May 15, 2019, 2 a.m. N/A 0.1 ppb (0) 2.0 ppb (2) N/A 1.8 ppb (2) N/A 52.0 ppb (40) 0.14 ppb (2) N/A 7.0 μg/m3 (29) 40.0
 
May 15, 2019, 1 a.m. N/A 0.1 ppb (0) 1.9 ppb (2) N/A 1.8 ppb (2) N/A 53.0 ppb (41) 0.14 ppb (2) N/A 9.0 μg/m3 (38) 41.0
 
May 15, 2019, midnight N/A 0.1 ppb (0) 2.1 ppb (2) N/A 2.0 ppb (2) N/A 54.0 ppb (42) 0.14 ppb (2) N/A 8.0 μg/m3 (33) 42.0
 
May 14, 2019, 11 p.m. N/A 0.2 ppb (0) 2.2 ppb (2) N/A 2.0 ppb (2) N/A 54.0 ppb (42) 0.14 ppb (2) N/A 7.0 μg/m3 (29) 42.0
 
May 14, 2019, 10 p.m. N/A 0.2 ppb (0) 2.2 ppb (2) N/A 2.0 ppb (2) N/A 55.0 ppb (42) 0.13 ppb (1) N/A 7.0 μg/m3 (29) 42.0
 
May 14, 2019, 9 p.m. N/A 0.2 ppb (0) 2.2 ppb (2) N/A 2.0 ppb (2) N/A 54.0 ppb (42) 0.14 ppb (2) N/A 7.0 μg/m3 (29) 42.0
 
May 14, 2019, 8 p.m. N/A 0.2 ppb (0) 2.0 ppb (2) N/A 1.8 ppb (2) N/A 53.0 ppb (41) 0.14 ppb (2) N/A 5.0 μg/m3 (21) 41.0
 
May 14, 2019, 7 p.m. N/A 0.2 ppb (0) 1.8 ppb (2) N/A 1.6 ppb (1) N/A 51.0 ppb (39) 0.14 ppb (2) N/A 5.0 μg/m3 (21) 39.0
 
May 14, 2019, 6 p.m. N/A 0.2 ppb (0) 1.7 ppb (2) N/A 1.5 ppb (1) N/A 49.0 ppb (38) 0.13 ppb (1) N/A 5.0 μg/m3 (21) 38.0
 
May 14, 2019, 5 p.m. N/A 0.2 ppb (0) 1.6 ppb (1) N/A 1.4 ppb (1) N/A 49.0 ppb (38) 0.13 ppb (1) N/A 4.0 μg/m3 (17) 38.0
 
May 14, 2019, 4 p.m. N/A 0.2 ppb (0) 1.4 ppb (1) N/A 1.3 ppb (1) N/A 44.0 ppb (34) 0.12 ppb (1) N/A 6.0 μg/m3 (25) 34.0
 
May 14, 2019, 3 p.m. N/A 0.2 ppb (0) 1.7 ppb (2) N/A 1.5 ppb (1) N/A 44.0 ppb (34) 0.14 ppb (2) N/A 8.0 μg/m3 (33) 34.0
 
May 14, 2019, 2 p.m. N/A 0.2 ppb (0) 1.4 ppb (1) N/A 1.2 ppb (1) N/A 42.0 ppb (32) 0.14 ppb (2) N/A 4.0 μg/m3 (17) 32.0
 
May 14, 2019, 1 p.m. N/A 0.2 ppb (0) 1.6 ppb (1) N/A 1.4 ppb (1) N/A 39.0 ppb (30) 0.14 ppb (2) N/A 7.0 μg/m3 (29) 30.0