AQSQID: 180970087

Site Name: Indpls - I-70 E

Location: Indianapolis (I 70), IN

Reporting: True, Located: True

Current AQI: 48.0

Indianapolis (I 70) IN, US: 39.787933, -86.13088

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
May 25, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) 0.45 ppb (5) N/A 11.6 μg/m3 (48) 48.0
 
May 25, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) 0.5 ppb (6) N/A 11.4 μg/m3 (48) 48.0
 
May 25, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) 0.61 ppb (7) N/A 17.3 μg/m3 (61) 61.0
 
May 25, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) 0.45 ppb (5) N/A 11.6 μg/m3 (48) 48.0
 
May 25, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) 0.47 ppb (5) N/A 12.3 μg/m3 (51) 51.0
 
May 25, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) 0.46 ppb (5) N/A 12.2 μg/m3 (50) 50.0
 
May 25, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) 0.45 ppb (5) N/A 11.3 μg/m3 (47) 47.0
 
May 25, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) 0.44 ppb (5) N/A 14.7 μg/m3 (56) 56.0
 
May 25, 2019, noon N/A N/A N/A N/A N/A N/A 28.0 ppb (22) 0.47 ppb (5) N/A 20.9 μg/m3 (69) 69.0
 
May 25, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) 0.41 ppb (5) N/A 16.5 μg/m3 (60) 60.0
 
May 25, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) 0.42 ppb (5) N/A 15.5 μg/m3 (57) 57.0
 
May 25, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) 0.41 ppb (5) N/A 16.1 μg/m3 (59) 59.0
 
May 25, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) 0.41 ppb (5) N/A 15.7 μg/m3 (58) 58.0
 
May 25, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) 0.42 ppb (5) N/A 16.6 μg/m3 (60) 60.0
 
May 25, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) 0.48 ppb (5) N/A 16.6 μg/m3 (60) 60.0
 
May 25, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) 0.57 ppb (6) N/A 19.9 μg/m3 (67) 67.0
 
May 25, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) 0.6 ppb (7) N/A 20.9 μg/m3 (69) 69.0
 
May 25, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) 0.49 ppb (5) N/A 22.8 μg/m3 (73) 73.0
 
May 25, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) 0.46 ppb (5) N/A 12.2 μg/m3 (50) 50.0
 
May 25, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) 0.43 ppb (5) N/A 11.1 μg/m3 (46) 46.0
 
May 25, 2019, midnight N/A N/A N/A N/A N/A N/A 44.0 ppb (34) 0.42 ppb (5) N/A 10.4 μg/m3 (43) 43.0
 
May 24, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) 0.39 ppb (4) N/A 9.9 μg/m3 (41) 41.0
 
May 24, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) 0.41 ppb (5) N/A 12.3 μg/m3 (51) 51.0
 
May 24, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) 0.44 ppb (5) N/A 12.5 μg/m3 (51) 51.0
 
May 24, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) 0.7 ppb (8) N/A 13.4 μg/m3 (53) 53.0
 
May 24, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) 0.74 ppb (8) N/A 12.5 μg/m3 (51) 51.0
 
May 24, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) 0.73 ppb (8) N/A 11.5 μg/m3 (48) 48.0
 
May 24, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) 0.68 ppb (8) N/A 7.6 μg/m3 (32) 32.0
 
May 24, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) 0.55 ppb (6) N/A 14.0 μg/m3 (54) 54.0
 
May 24, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) 0.48 ppb (5) N/A 13.4 μg/m3 (53) 53.0
 
May 24, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) 0.46 ppb (5) N/A 10.6 μg/m3 (44) 44.0
 
May 24, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) 0.47 ppb (5) N/A 10.2 μg/m3 (42) 42.0
 
May 24, 2019, noon N/A N/A N/A N/A N/A N/A 16.0 ppb (12) 0.52 ppb (6) N/A 8.3 μg/m3 (35) 35.0
 
May 24, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (6) 0.58 ppb (6) N/A 13.3 μg/m3 (53) 53.0
 
May 24, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) 0.92 ppb (10) N/A 21.0 μg/m3 (69) 69.0
 
May 24, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) 0.85 ppb (9) N/A 24.4 μg/m3 (76) 76.0
 
May 24, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) 0.66 ppb (7) N/A 23.8 μg/m3 (75) 75.0
 
May 24, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (2) 0.62 ppb (7) N/A 19.8 μg/m3 (67) 67.0
 
May 24, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (5) 0.54 ppb (6) N/A 13.0 μg/m3 (52) 52.0
 
May 24, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (8) 0.58 ppb (6) N/A 11.7 μg/m3 (49) 49.0
 
May 24, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) 0.66 ppb (7) N/A 11.3 μg/m3 (47) 47.0
 
May 24, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) 0.66 ppb (7) N/A 13.9 μg/m3 (54) 54.0
 
May 24, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A N/A 13.9 μg/m3 (54) 54.0
 
May 24, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A N/A 15.0 μg/m3 (56) 56.0
 
May 24, 2019, midnight N/A N/A N/A N/A N/A N/A 24.0 ppb (18) 0.62 ppb (7) N/A 14.0 μg/m3 (54) 54.0
 
May 23, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) 0.58 ppb (6) N/A 11.6 μg/m3 (48) 48.0
 
May 23, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) 0.55 ppb (6) N/A 10.0 μg/m3 (42) 42.0
 
May 23, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) 0.53 ppb (6) N/A 9.7 μg/m3 (40) 40.0
 
May 23, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) 0.56 ppb (6) N/A 10.5 μg/m3 (44) 44.0
 
May 23, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) 0.57 ppb (6) N/A 12.9 μg/m3 (52) 52.0
 
May 23, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) 0.46 ppb (5) N/A 13.0 μg/m3 (52) 52.0
 
May 23, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) 0.45 ppb (5) N/A 10.3 μg/m3 (43) 43.0
 
May 23, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) 0.44 ppb (5) N/A 9.7 μg/m3 (40) 40.0
 
May 23, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) 0.41 ppb (5) N/A 6.9 μg/m3 (29) 29.0
 
May 23, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) 0.39 ppb (4) N/A 5.7 μg/m3 (24) 26.0
 
May 23, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) 0.39 ppb (4) N/A 6.5 μg/m3 (27) 27.0
 
May 23, 2019, noon N/A N/A N/A N/A N/A N/A 32.0 ppb (25) 0.41 ppb (5) N/A 8.8 μg/m3 (37) 37.0
 
May 23, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) 0.42 ppb (5) N/A 10.5 μg/m3 (44) 44.0
 
May 23, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) 0.51 ppb (6) N/A 9.6 μg/m3 (40) 40.0
 
May 23, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) 0.41 ppb (5) N/A 9.0 μg/m3 (38) 38.0
 
May 23, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) 0.37 ppb (4) N/A 14.3 μg/m3 (55) 55.0
 
May 23, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) 0.37 ppb (4) N/A 17.1 μg/m3 (61) 61.0
 
May 23, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) 0.38 ppb (4) N/A 18.7 μg/m3 (64) 64.0
 
May 23, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) 0.41 ppb (5) N/A 20.2 μg/m3 (67) 67.0
 
May 23, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) 0.44 ppb (5) N/A 21.3 μg/m3 (70) 70.0
 
May 23, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) 0.46 ppb (5) N/A 24.0 μg/m3 (76) 76.0
 
May 23, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) 0.49 ppb (5) N/A 29.2 μg/m3 (87) 87.0
 
May 23, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) 0.51 ppb (6) N/A 41.5 μg/m3 (115) 115.0
 
May 23, 2019, midnight N/A N/A N/A N/A N/A N/A 36.0 ppb (28) 0.41 ppb (5) N/A 19.3 μg/m3 (66) 66.0
 
May 22, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) 0.38 ppb (4) N/A 13.4 μg/m3 (53) 53.0
 
May 22, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) 0.38 ppb (4) N/A 13.7 μg/m3 (54) 54.0
 
May 22, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) 0.37 ppb (4) N/A 14.0 μg/m3 (54) 54.0
 
May 22, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) 0.37 ppb (4) N/A 9.3 μg/m3 (39) 39.0
 
May 22, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) 0.36 ppb (4) N/A 7.8 μg/m3 (32) 32.0
 
May 22, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) 0.36 ppb (4) N/A 8.1 μg/m3 (34) 34.0
 
May 22, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) 0.35 ppb (4) N/A 10.2 μg/m3 (42) 42.0
 
May 22, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) 0.35 ppb (4) N/A 11.8 μg/m3 (49) 49.0
 
May 22, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) 0.38 ppb (4) N/A 14.8 μg/m3 (56) 56.0
 
May 22, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) 0.44 ppb (5) N/A 14.5 μg/m3 (55) 55.0
 
May 22, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (5) 0.54 ppb (6) N/A 17.6 μg/m3 (62) 62.0
 
May 22, 2019, noon N/A N/A N/A N/A N/A N/A 4.0 ppb (3) 0.57 ppb (6) N/A 17.5 μg/m3 (62) 62.0
 
May 22, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (5) 0.58 ppb (6) N/A 16.4 μg/m3 (59) 59.0
 
May 22, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (5) 0.64 ppb (7) N/A 12.2 μg/m3 (50) 50.0
 
May 22, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) 0.36 ppb (4) N/A 8.1 μg/m3 (34) 34.0
 
May 22, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) 0.25 ppb (3) N/A 4.0 μg/m3 (17) 24.0
 
May 22, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) 0.25 ppb (3) N/A 3.0 μg/m3 (12) 25.0
 
May 22, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) 0.24 ppb (3) N/A 2.5 μg/m3 (10) 25.0
 
May 22, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) 0.23 ppb (3) N/A 2.1 μg/m3 (9) 25.0
 
May 22, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) 0.23 ppb (3) N/A 1.8 μg/m3 (8) 25.0
 
May 22, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) 0.24 ppb (3) N/A 2.9 μg/m3 (12) 26.0
 
May 22, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) 0.26 ppb (3) N/A 2.8 μg/m3 (12) 25.0
 
May 22, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) 0.26 ppb (3) N/A 2.7 μg/m3 (11) 26.0
 
May 22, 2019, midnight N/A N/A N/A N/A N/A N/A 32.0 ppb (25) 0.26 ppb (3) N/A 2.5 μg/m3 (10) 25.0
 
May 21, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) 0.27 ppb (3) N/A 3.0 μg/m3 (12) 25.0
 
May 21, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) 0.29 ppb (3) N/A 7.3 μg/m3 (30) 30.0
 
May 21, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) 0.3 ppb (3) N/A 11.9 μg/m3 (50) 50.0
 
May 21, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) 0.32 ppb (4) N/A 12.4 μg/m3 (51) 51.0
 
May 21, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) 0.33 ppb (4) N/A 11.2 μg/m3 (47) 47.0
 
May 21, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) 0.36 ppb (4) N/A 16.3 μg/m3 (59) 59.0
 
May 21, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) 0.27 ppb (3) N/A 9.6 μg/m3 (40) 40.0
 
May 21, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) 0.25 ppb (3) N/A 8.5 μg/m3 (35) 35.0
 
May 21, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) 0.24 ppb (3) N/A 8.2 μg/m3 (34) 34.0
 
May 21, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) 0.23 ppb (3) N/A 7.1 μg/m3 (30) 30.0
 
May 21, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) 0.24 ppb (3) N/A 6.3 μg/m3 (26) 26.0
 
May 21, 2019, noon N/A N/A N/A N/A N/A N/A 17.0 ppb (13) 0.25 ppb (3) N/A 4.0 μg/m3 (17) 17.0
 
May 21, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) 0.26 ppb (3) N/A 3.3 μg/m3 (14) 14.0
 
May 21, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) 0.27 ppb (3) N/A 2.9 μg/m3 (12) 12.0
 
May 21, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) 0.23 ppb (3) N/A 2.0 μg/m3 (8) 14.0
 
May 21, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) 0.24 ppb (3) N/A 2.7 μg/m3 (11) 13.0
 
May 21, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) 0.23 ppb (3) N/A 2.5 μg/m3 (10) 13.0
 
May 21, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) 0.24 ppb (3) N/A 3.2 μg/m3 (13) 13.0
 
May 21, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) 0.28 ppb (3) N/A 4.2 μg/m3 (18) 18.0
 
May 21, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (10) 0.29 ppb (3) N/A 4.6 μg/m3 (19) 19.0
 
May 21, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) 0.31 ppb (3) N/A 5.2 μg/m3 (22) 22.0
 
May 21, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) 0.32 ppb (4) N/A 7.4 μg/m3 (31) 31.0
 
May 21, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) 0.33 ppb (4) N/A 7.5 μg/m3 (31) 31.0
 
May 21, 2019, midnight N/A N/A N/A N/A N/A N/A 14.0 ppb (11) 0.36 ppb (4) N/A 7.3 μg/m3 (30) 30.0
 
May 20, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) 0.35 ppb (4) N/A 6.8 μg/m3 (28) 28.0
 
May 20, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) 0.42 ppb (5) N/A 8.3 μg/m3 (35) 35.0
 
May 20, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) 0.4 ppb (4) N/A 8.9 μg/m3 (37) 37.0
 
May 20, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) 0.41 ppb (5) N/A 7.6 μg/m3 (32) 32.0
 
May 20, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) 0.42 ppb (5) N/A 7.6 μg/m3 (32) 32.0
 
May 20, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) 0.36 ppb (4) N/A 3.6 μg/m3 (15) 15.0
 
May 20, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) 0.35 ppb (4) N/A 3.5 μg/m3 (15) 15.0
 
May 20, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) 0.35 ppb (4) N/A 3.7 μg/m3 (15) 15.0
 
May 20, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) 0.31 ppb (3) N/A 2.3 μg/m3 (10) 15.0
 
May 20, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) 0.31 ppb (3) N/A 1.8 μg/m3 (8) 15.0
 
May 20, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) 0.32 ppb (4) N/A 2.2 μg/m3 (9) 13.0
 
May 20, 2019, noon N/A N/A N/A N/A N/A N/A 15.0 ppb (12) 0.35 ppb (4) N/A 3.0 μg/m3 (12) 12.0
 
May 20, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (6) 0.42 ppb (5) N/A 4.5 μg/m3 (19) 19.0
 
May 20, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (6) 0.43 ppb (5) N/A 4.1 μg/m3 (17) 17.0
 
May 20, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (10) 0.31 ppb (3) N/A 2.6 μg/m3 (11) 11.0
 
May 20, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) 0.25 ppb (3) N/A 2.1 μg/m3 (9) 13.0
 
May 20, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) 0.23 ppb (3) N/A 2.1 μg/m3 (9) 15.0
 
May 20, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) 0.22 ppb (2) N/A 2.7 μg/m3 (11) 18.0
 
May 20, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) 0.27 ppb (3) N/A 4.8 μg/m3 (20) 24.0
 
May 20, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) 0.29 ppb (3) N/A 6.4 μg/m3 (27) 27.0
 
May 20, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) 0.31 ppb (3) N/A 11.2 μg/m3 (47) 47.0
 
May 20, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) 0.29 ppb (3) N/A 14.2 μg/m3 (55) 55.0
 
May 20, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) 0.3 ppb (3) N/A 12.0 μg/m3 (50) 50.0
 
May 20, 2019, midnight N/A N/A N/A N/A N/A N/A 40.0 ppb (31) 0.3 ppb (3) N/A 11.7 μg/m3 (49) 49.0
 
May 19, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) 0.29 ppb (3) N/A 6.8 μg/m3 (28) 35.0
 
May 19, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) 0.3 ppb (3) N/A 7.7 μg/m3 (32) 32.0
 
May 19, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) 0.29 ppb (3) N/A 5.1 μg/m3 (21) 32.0
 
May 19, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) 0.28 ppb (3) N/A 4.3 μg/m3 (18) 34.0
 
May 19, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) 0.28 ppb (3) N/A 5.3 μg/m3 (22) 35.0
 
May 19, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) 0.29 ppb (3) N/A 6.2 μg/m3 (26) 35.0
 
May 19, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) 0.32 ppb (4) N/A 6.7 μg/m3 (28) 35.0
 
May 19, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) 0.29 ppb (3) N/A 6.6 μg/m3 (28) 35.0
 
May 19, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) 0.29 ppb (3) N/A 6.4 μg/m3 (27) 34.0
 
May 19, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) 0.29 ppb (3) N/A 9.8 μg/m3 (41) 41.0
 
May 19, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) 0.28 ppb (3) N/A 11.7 μg/m3 (49) 49.0
 
May 19, 2019, noon N/A N/A N/A N/A N/A N/A 30.0 ppb (23) 0.3 ppb (3) N/A 14.9 μg/m3 (56) 56.0
 
May 19, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) 0.3 ppb (3) N/A 16.2 μg/m3 (59) 59.0
 
May 19, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) 0.3 ppb (3) N/A 16.1 μg/m3 (59) 59.0
 
May 19, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) 0.3 ppb (3) N/A 17.5 μg/m3 (62) 62.0
 
May 19, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) 0.3 ppb (3) N/A 19.1 μg/m3 (65) 65.0
 
May 19, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) 0.31 ppb (3) N/A 20.2 μg/m3 (67) 67.0
 
May 19, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) 0.3 ppb (3) N/A 20.2 μg/m3 (67) 67.0
 
May 19, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A N/A 0.32 ppb (4) N/A 22.3 μg/m3 (72) 72.0
 
May 19, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) 0.33 ppb (4) N/A 23.4 μg/m3 (74) 74.0
 
May 19, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) 0.36 ppb (4) N/A 26.4 μg/m3 (81) 81.0
 
May 19, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A N/A 28.8 μg/m3 (86) 86.0
 
May 19, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A N/A 25.1 μg/m3 (78) 78.0
 
May 19, 2019, midnight N/A N/A N/A N/A N/A N/A 50.0 ppb (38) 0.38 ppb (4) N/A 14.2 μg/m3 (55) 55.0
 
May 18, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (42) 0.34 ppb (4) N/A 11.5 μg/m3 (48) 48.0
 
May 18, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (42) 0.34 ppb (4) N/A 10.5 μg/m3 (44) 44.0
 
May 18, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 56.0 ppb (43) 0.35 ppb (4) N/A 11.6 μg/m3 (48) 48.0