AQSQID: 090090027

Site Name: New Haven - Criscuolo Park

Location: New Haven, CT

Reporting: True, Located: True

Current AQI: 35.0

New Haven CT, US: 41.3011, -72.9028

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
July 22, 2019, 11 p.m. N/A 0.5 ppb (0) 16.1 ppb (15) 7.0 ppb (6) N/A 0.0 ppb (0) 20.0 ppb (15) 0.2 ppb (2) 15.0 μg/m3 (14) 8.4 μg/m3 (35) 35.0
 
July 22, 2019, 10 p.m. N/A 0.7 ppb (1) 64.4 ppb (61) 6.0 ppb (6) N/A N/A 21.0 ppb (16) 0.2 ppb (2) 16.0 μg/m3 (15) 9.1 μg/m3 (38) 61.0
 
July 22, 2019, 9 p.m. N/A 0.4 ppb (0) 4.8 ppb (4) 3.0 ppb (3) N/A 0.0 ppb (0) 47.0 ppb (36) 0.16 ppb (2) 15.0 μg/m3 (14) 7.4 μg/m3 (31) 36.0
 
July 22, 2019, 8 p.m. N/A 0.4 ppb (0) 3.4 ppb (3) 1.0 ppb (1) N/A 0.0 ppb (0) 57.0 ppb (44) 0.14 ppb (2) 16.0 μg/m3 (15) 6.7 μg/m3 (28) 44.0
 
July 22, 2019, 7 p.m. N/A 0.4 ppb (0) 3.6 ppb (3) 1.0 ppb (1) N/A 0.0 ppb (0) 59.0 ppb (45) 0.16 ppb (2) 17.0 μg/m3 (15) 6.9 μg/m3 (29) 45.0
 
July 22, 2019, 6 p.m. N/A 0.4 ppb (0) 3.9 ppb (4) 1.0 ppb (1) N/A 0.0 ppb (0) 62.0 ppb (48) 0.15 ppb (2) 15.0 μg/m3 (14) 6.7 μg/m3 (28) 48.0
 
July 22, 2019, 5 p.m. N/A 0.6 ppb (1) 4.8 ppb (4) 2.0 ppb (2) N/A 0.0 ppb (0) 56.0 ppb (43) 0.14 ppb (2) 16.0 μg/m3 (15) 6.5 μg/m3 (27) 43.0
 
July 22, 2019, 4 p.m. N/A 0.8 ppb (1) 5.7 ppb (5) 2.0 ppb (2) N/A 0.0 ppb (0) 48.0 ppb (37) 0.15 ppb (2) 16.0 μg/m3 (15) 6.8 μg/m3 (28) 37.0
 
July 22, 2019, 3 p.m. N/A 2.3 ppb (2) 13.3 ppb (12) 8.0 ppb (7) N/A 0.0 ppb (0) 38.0 ppb (29) 0.2 ppb (2) 16.0 μg/m3 (15) 6.7 μg/m3 (28) 29.0
 
July 22, 2019, 2 p.m. N/A 2.0 ppb (2) 11.9 ppb (11) 7.0 ppb (6) N/A 0.0 ppb (0) 33.0 ppb (25) 0.18 ppb (2) 18.0 μg/m3 (16) 6.8 μg/m3 (28) 28.0
 
July 22, 2019, 1 p.m. N/A 1.4 ppb (1) 11.8 ppb (11) 8.0 ppb (7) N/A 0.0 ppb (0) 31.0 ppb (24) 0.19 ppb (2) 16.0 μg/m3 (15) 6.3 μg/m3 (26) 26.0
 
July 22, 2019, noon N/A 1.9 ppb (2) 10.1 ppb (9) 6.0 ppb (6) N/A 0.0 ppb (0) 34.0 ppb (26) 0.17 ppb (2) 14.0 μg/m3 (13) 6.2 μg/m3 (26) 26.0
 
July 22, 2019, 11 a.m. N/A 1.8 ppb (2) 11.5 ppb (11) 7.0 ppb (6) N/A 0.0 ppb (0) 30.0 ppb (23) 0.17 ppb (2) 17.0 μg/m3 (15) 7.2 μg/m3 (30) 30.0
 
July 22, 2019, 10 a.m. N/A 1.1 ppb (1) 11.8 ppb (11) 9.0 ppb (8) N/A 0.0 ppb (0) 29.0 ppb (22) 0.17 ppb (2) 13.0 μg/m3 (12) 5.9 μg/m3 (25) 25.0
 
July 22, 2019, 9 a.m. N/A N/A N/A 11.0 ppb (10) N/A 0.0 ppb (0) 29.0 ppb (22) 0.14 ppb (2) 14.0 μg/m3 (13) 6.1 μg/m3 (25) 25.0
 
July 22, 2019, 8 a.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 33.0 ppb (25) 0.12 ppb (1) 12.0 μg/m3 (11) 5.7 μg/m3 (24) 25.0
 
July 22, 2019, 7 a.m. N/A 0.4 ppb (0) 6.0 ppb (6) 4.0 ppb (4) N/A 0.0 ppb (0) 34.0 ppb (26) N/A 11.0 μg/m3 (10) 5.1 μg/m3 (21) 26.0
 
July 22, 2019, 6 a.m. N/A 0.2 ppb (0) 5.1 ppb (5) 3.0 ppb (3) N/A 0.0 ppb (0) 37.0 ppb (28) 0.12 ppb (1) 10.0 μg/m3 (9) 5.2 μg/m3 (22) 28.0
 
July 22, 2019, 5 a.m. N/A 0.3 ppb (0) 6.1 ppb (6) 4.0 ppb (4) N/A 0.0 ppb (0) N/A 0.13 ppb (1) 10.0 μg/m3 (9) 5.2 μg/m3 (22) 22.0
 
July 22, 2019, 4 a.m. N/A 0.3 ppb (0) 8.6 ppb (8) 6.0 ppb (6) N/A 0.0 ppb (0) 34.0 ppb (26) 0.13 ppb (1) 11.0 μg/m3 (10) 5.4 μg/m3 (23) 26.0
 
July 22, 2019, 3 a.m. N/A 0.3 ppb (0) 6.7 ppb (6) 5.0 ppb (5) N/A 0.0 ppb (0) 33.0 ppb (25) 0.16 ppb (2) 11.0 μg/m3 (10) 5.7 μg/m3 (24) 25.0
 
July 22, 2019, 2 a.m. N/A 0.3 ppb (0) 6.4 ppb (6) 4.0 ppb (4) N/A 0.0 ppb (0) 35.0 ppb (27) 0.16 ppb (2) 11.0 μg/m3 (10) 5.7 μg/m3 (24) 27.0
 
July 22, 2019, 1 a.m. N/A 0.3 ppb (0) 4.8 ppb (4) N/A N/A 0.0 ppb (0) 40.0 ppb (31) 0.17 ppb (2) 12.0 μg/m3 (11) 6.1 μg/m3 (25) 31.0
 
July 22, 2019, midnight N/A 0.2 ppb (0) 4.7 ppb (4) 3.0 ppb (3) N/A 0.0 ppb (0) 41.0 ppb (32) 0.18 ppb (2) 12.0 μg/m3 (11) 7.3 μg/m3 (30) 32.0
 
July 21, 2019, 11 p.m. N/A 0.4 ppb (0) 7.0 ppb (6) 4.0 ppb (4) N/A 0.0 ppb (0) 42.0 ppb (32) 0.22 ppb (2) 13.0 μg/m3 (12) 7.8 μg/m3 (32) 32.0
 
July 21, 2019, 10 p.m. N/A 0.5 ppb (0) 5.3 ppb (5) 3.0 ppb (3) N/A N/A 48.0 ppb (37) 0.19 ppb (2) 14.0 μg/m3 (13) 7.5 μg/m3 (31) 37.0
 
July 21, 2019, 9 p.m. N/A 0.6 ppb (1) 5.2 ppb (5) 2.0 ppb (2) N/A 0.0 ppb (0) 50.0 ppb (38) 0.2 ppb (2) 15.0 μg/m3 (14) 7.6 μg/m3 (32) 38.0
 
July 21, 2019, 8 p.m. N/A 0.7 ppb (1) 5.5 ppb (5) 2.0 ppb (2) N/A 0.0 ppb (0) 53.0 ppb (41) 0.21 ppb (2) 17.0 μg/m3 (15) 8.9 μg/m3 (37) 41.0
 
July 21, 2019, 7 p.m. N/A 0.7 ppb (1) 5.7 ppb (5) 3.0 ppb (3) N/A 0.0 ppb (0) 53.0 ppb (41) 0.29 ppb (3) 21.0 μg/m3 (19) 9.3 μg/m3 (39) 41.0
 
July 21, 2019, 6 p.m. N/A 1.2 ppb (1) 8.1 ppb (8) 4.0 ppb (4) N/A 0.0 ppb (0) 57.0 ppb (44) 0.28 ppb (3) 19.0 μg/m3 (17) 9.9 μg/m3 (41) 44.0
 
July 21, 2019, 5 p.m. N/A 1.4 ppb (1) 12.1 ppb (11) 7.0 ppb (6) N/A 0.0 ppb (0) 61.0 ppb (47) 0.27 ppb (3) 23.0 μg/m3 (21) 11.4 μg/m3 (48) 48.0
 
July 21, 2019, 4 p.m. N/A 3.1 ppb (3) 16.3 ppb (15) 10.0 ppb (9) N/A 0.0 ppb (0) 51.0 ppb (39) 0.25 ppb (3) 17.0 μg/m3 (15) 10.6 μg/m3 (44) 44.0
 
July 21, 2019, 3 p.m. N/A 2.3 ppb (2) 9.7 ppb (9) 7.0 ppb (6) N/A 0.0 ppb (0) 41.0 ppb (32) 0.22 ppb (2) 14.0 μg/m3 (13) 8.5 μg/m3 (35) 35.0
 
July 21, 2019, 2 p.m. N/A 0.5 ppb (0) 4.0 ppb (4) 1.0 ppb (1) N/A 0.0 ppb (0) 42.0 ppb (32) 0.16 ppb (2) 14.0 μg/m3 (13) 8.5 μg/m3 (35) 35.0
 
July 21, 2019, 1 p.m. N/A 0.5 ppb (0) 4.2 ppb (4) 2.0 ppb (2) N/A 0.0 ppb (0) 40.0 ppb (31) 0.17 ppb (2) 16.0 μg/m3 (15) 9.0 μg/m3 (38) 38.0
 
July 21, 2019, noon N/A 1.0 ppb (1) 6.0 ppb (6) 3.0 ppb (3) N/A 0.0 ppb (0) 34.0 ppb (26) 0.19 ppb (2) 16.0 μg/m3 (15) 9.5 μg/m3 (40) 40.0
 
July 21, 2019, 11 a.m. N/A 2.1 ppb (2) 12.5 ppb (12) 7.0 ppb (6) N/A 0.0 ppb (0) 25.0 ppb (19) 0.23 ppb (3) 19.0 μg/m3 (17) 11.4 μg/m3 (48) 48.0
 
July 21, 2019, 10 a.m. N/A 1.9 ppb (2) 18.7 ppb (17) 12.0 ppb (11) N/A 0.0 ppb (0) 16.0 ppb (12) 0.26 ppb (3) 19.0 μg/m3 (17) 12.0 μg/m3 (50) 50.0
 
July 21, 2019, 9 a.m. N/A N/A N/A 12.0 ppb (11) N/A 0.0 ppb (0) 14.0 ppb (11) 0.27 ppb (3) 18.0 μg/m3 (16) 11.1 μg/m3 (46) 46.0
 
July 21, 2019, 8 a.m. N/A N/A N/A 22.0 ppb (20) N/A 0.0 ppb (0) 12.0 ppb (9) 0.23 ppb (3) 17.0 μg/m3 (15) 11.1 μg/m3 (46) 46.0
 
July 21, 2019, 7 a.m. N/A 1.3 ppb (1) 30.0 ppb (28) 24.0 ppb (22) N/A 0.0 ppb (0) 14.0 ppb (11) N/A 16.0 μg/m3 (15) 9.9 μg/m3 (41) 41.0
 
July 21, 2019, 6 a.m. N/A 0.4 ppb (0) 14.8 ppb (14) 10.0 ppb (9) N/A 0.0 ppb (0) 28.0 ppb (22) 0.23 ppb (3) 15.0 μg/m3 (14) 9.8 μg/m3 (41) 41.0
 
July 21, 2019, 5 a.m. N/A 0.4 ppb (0) 16.3 ppb (15) 12.0 ppb (11) N/A 0.0 ppb (0) N/A 0.28 ppb (3) 16.0 μg/m3 (15) 10.8 μg/m3 (45) 45.0
 
July 21, 2019, 4 a.m. N/A 3.5 ppb (3) 36.5 ppb (34) 29.0 ppb (27) N/A 0.0 ppb (0) 14.0 ppb (11) 0.31 ppb (3) 19.0 μg/m3 (17) 12.6 μg/m3 (51) 51.0
 
July 21, 2019, 3 a.m. N/A 0.4 ppb (0) 16.5 ppb (15) 12.0 ppb (11) N/A 0.0 ppb (0) 29.0 ppb (22) 0.3 ppb (3) 19.0 μg/m3 (17) 11.8 μg/m3 (49) 49.0
 
July 21, 2019, 2 a.m. N/A 0.7 ppb (1) 28.1 ppb (26) 21.0 ppb (19) N/A 0.0 ppb (0) 25.0 ppb (19) 0.29 ppb (3) 19.0 μg/m3 (17) 12.3 μg/m3 (51) 51.0
 
July 21, 2019, 1 a.m. N/A 0.6 ppb (1) 27.9 ppb (26) N/A N/A 0.0 ppb (0) 28.0 ppb (22) 0.32 ppb (4) 18.0 μg/m3 (16) 11.7 μg/m3 (49) 49.0
 
July 21, 2019, midnight N/A 0.4 ppb (0) 13.7 ppb (13) 11.0 ppb (10) N/A 0.0 ppb (0) 35.0 ppb (27) 0.29 ppb (3) 16.0 μg/m3 (15) 10.0 μg/m3 (42) 42.0
 
July 20, 2019, 11 p.m. N/A 0.5 ppb (0) 8.6 ppb (8) 5.0 ppb (5) N/A 0.0 ppb (0) 43.0 ppb (33) 0.22 ppb (2) 14.0 μg/m3 (13) 8.9 μg/m3 (37) 37.0
 
July 20, 2019, 10 p.m. N/A 0.8 ppb (1) 9.2 ppb (9) 4.0 ppb (4) N/A N/A 48.0 ppb (37) 0.22 ppb (2) 19.0 μg/m3 (17) 9.5 μg/m3 (40) 40.0
 
July 20, 2019, 9 p.m. N/A 2.2 ppb (2) 22.8 ppb (21) 16.0 ppb (15) N/A 0.0 ppb (0) 63.0 ppb (48) 0.37 ppb (4) 23.0 μg/m3 (21) 14.3 μg/m3 (55) 55.0
 
July 20, 2019, 8 p.m. N/A 4.4 ppb (4) 30.6 ppb (28) 19.0 ppb (18) N/A 0.0 ppb (0) 62.0 ppb (48) 0.36 ppb (4) 29.0 μg/m3 (26) 15.3 μg/m3 (57) 57.0
 
July 20, 2019, 7 p.m. N/A 9.4 ppb (9) 42.7 ppb (40) 27.0 ppb (25) N/A 0.0 ppb (0) 50.0 ppb (38) 0.39 ppb (4) 35.0 μg/m3 (32) 16.6 μg/m3 (60) 60.0
 
July 20, 2019, 6 p.m. N/A 2.7 ppb (3) 23.7 ppb (22) 16.0 ppb (15) N/A 0.0 ppb (0) 68.0 ppb (52) 0.29 ppb (3) 36.0 μg/m3 (33) 15.4 μg/m3 (57) 57.0
 
July 20, 2019, 5 p.m. N/A 1.9 ppb (2) 17.5 ppb (16) 11.0 ppb (10) N/A 0.0 ppb (0) 70.0 ppb (54) 0.28 ppb (3) 32.0 μg/m3 (29) 13.8 μg/m3 (54) 54.0
 
July 20, 2019, 4 p.m. N/A 2.0 ppb (2) 15.4 ppb (14) 9.0 ppb (8) N/A 0.0 ppb (0) 63.0 ppb (48) 0.26 ppb (3) 29.0 μg/m3 (26) 13.0 μg/m3 (52) 52.0
 
July 20, 2019, 3 p.m. N/A 3.9 ppb (4) 27.5 ppb (25) 18.0 ppb (17) N/A 0.0 ppb (0) 57.0 ppb (44) 0.26 ppb (3) 33.0 μg/m3 (30) 14.1 μg/m3 (54) 54.0
 
July 20, 2019, 2 p.m. N/A 2.4 ppb (2) 17.8 ppb (16) 11.0 ppb (10) N/A 0.0 ppb (0) 48.0 ppb (37) 0.26 ppb (3) 23.0 μg/m3 (21) 13.0 μg/m3 (52) 52.0
 
July 20, 2019, 1 p.m. N/A 15.5 ppb (14) 41.2 ppb (38) 21.0 ppb (19) N/A 0.0 ppb (0) 25.0 ppb (19) 0.28 ppb (3) 38.0 μg/m3 (35) 15.9 μg/m3 (58) 58.0
 
July 20, 2019, noon N/A 1.1 ppb (1) 7.3 ppb (7) 3.0 ppb (3) N/A 0.0 ppb (0) 31.0 ppb (24) 0.2 ppb (2) 19.0 μg/m3 (17) 11.0 μg/m3 (46) 46.0
 
July 20, 2019, 11 a.m. N/A 4.5 ppb (4) 18.4 ppb (17) 11.0 ppb (10) N/A 0.0 ppb (0) 17.0 ppb (13) 0.3 ppb (3) 22.0 μg/m3 (20) 13.5 μg/m3 (53) 53.0
 
July 20, 2019, 10 a.m. N/A N/A N/A 24.0 ppb (22) N/A 0.0 ppb (0) 6.0 ppb (5) 0.35 ppb (4) 31.0 μg/m3 (28) 20.1 μg/m3 (67) 67.0
 
July 20, 2019, 9 a.m. N/A N/A N/A 20.0 ppb (19) N/A 0.0 ppb (0) 6.0 ppb (5) 0.37 ppb (4) 28.0 μg/m3 (25) 18.3 μg/m3 (63) 63.0
 
July 20, 2019, 8 a.m. N/A N/A N/A 26.0 ppb (24) N/A 0.0 ppb (0) 4.0 ppb (3) 0.39 ppb (4) 28.0 μg/m3 (25) 18.6 μg/m3 (64) 64.0
 
July 20, 2019, 7 a.m. N/A 1.0 ppb (1) 27.7 ppb (26) 19.0 ppb (18) N/A 0.0 ppb (0) 14.0 ppb (11) N/A 28.0 μg/m3 (25) 18.9 μg/m3 (65) 65.0
 
July 20, 2019, 6 a.m. N/A 1.6 ppb (1) 37.4 ppb (35) 27.0 ppb (25) N/A 0.0 ppb (0) 9.0 ppb (7) 0.45 ppb (5) 30.0 μg/m3 (27) 19.2 μg/m3 (65) 65.0
 
July 20, 2019, 5 a.m. N/A 3.9 ppb (4) 43.4 ppb (40) 32.0 ppb (30) N/A 0.0 ppb (0) N/A 0.39 ppb (4) 30.0 μg/m3 (27) 19.2 μg/m3 (65) 65.0
 
July 20, 2019, 4 a.m. N/A 0.7 ppb (1) 27.3 ppb (25) 18.0 ppb (17) N/A 0.0 ppb (0) 24.0 ppb (18) 0.39 ppb (4) 26.0 μg/m3 (24) 17.5 μg/m3 (62) 62.0
 
July 20, 2019, 3 a.m. N/A 0.7 ppb (1) 19.7 ppb (18) 14.0 ppb (13) N/A 0.0 ppb (0) 32.0 ppb (25) 0.35 ppb (4) 26.0 μg/m3 (24) 16.8 μg/m3 (60) 60.0
 
July 20, 2019, 2 a.m. N/A 1.5 ppb (1) 28.2 ppb (26) 26.0 ppb (24) N/A 0.0 ppb (0) 26.0 ppb (20) 0.31 ppb (3) 26.0 μg/m3 (24) 16.8 μg/m3 (60) 60.0
 
July 20, 2019, 1 a.m. N/A 0.5 ppb (0) 24.2 ppb (22) N/A N/A 0.0 ppb (0) 31.0 ppb (24) 0.31 ppb (3) 24.0 μg/m3 (22) 16.0 μg/m3 (59) 59.0
 
July 20, 2019, midnight N/A 0.4 ppb (0) 20.0 ppb (19) 16.0 ppb (15) N/A 0.0 ppb (0) 43.0 ppb (33) 0.32 ppb (4) 20.0 μg/m3 (18) 13.9 μg/m3 (54) 54.0
 
July 19, 2019, 11 p.m. N/A 0.5 ppb (0) 16.5 ppb (15) 11.0 ppb (10) N/A 0.0 ppb (0) 61.0 ppb (47) 0.34 ppb (4) 20.0 μg/m3 (18) 12.5 μg/m3 (51) 51.0
 
July 19, 2019, 10 p.m. N/A 1.0 ppb (1) 17.9 ppb (17) 11.0 ppb (10) N/A N/A 79.0 ppb (62) 0.41 ppb (5) 21.0 μg/m3 (19) 12.5 μg/m3 (51) 62.0
 
July 19, 2019, 9 p.m. N/A 1.8 ppb (2) 29.3 ppb (27) 17.0 ppb (16) N/A 0.0 ppb (0) 93.0 ppb (73) 0.36 ppb (4) 26.0 μg/m3 (24) 13.8 μg/m3 (54) 73.0
 
July 19, 2019, 8 p.m. N/A 2.7 ppb (3) 36.4 ppb (34) 21.0 ppb (19) N/A 0.0 ppb (0) 96.0 ppb (76) 0.39 ppb (4) 30.0 μg/m3 (27) 14.1 μg/m3 (54) 76.0
 
July 19, 2019, 7 p.m. N/A 3.1 ppb (3) 35.4 ppb (33) 19.0 ppb (18) N/A 1.0 ppb (1) 91.0 ppb (72) 0.39 ppb (4) 31.0 μg/m3 (28) 14.1 μg/m3 (54) 72.0
 
July 19, 2019, 6 p.m. N/A 4.7 ppb (4) 30.7 ppb (28) 19.0 ppb (18) N/A 0.0 ppb (0) 60.0 ppb (46) 0.29 ppb (3) 23.0 μg/m3 (21) 10.8 μg/m3 (45) 46.0
 
July 19, 2019, 5 p.m. N/A 5.5 ppb (5) 26.2 ppb (24) 15.0 ppb (14) N/A 0.0 ppb (0) 47.0 ppb (36) 0.27 ppb (3) 22.0 μg/m3 (20) 9.9 μg/m3 (41) 41.0
 
July 19, 2019, 4 p.m. N/A 4.1 ppb (4) 17.8 ppb (16) 10.0 ppb (9) N/A 0.0 ppb (0) 40.0 ppb (31) 0.23 ppb (3) 19.0 μg/m3 (17) 9.6 μg/m3 (40) 40.0
 
July 19, 2019, 3 p.m. N/A 10.6 ppb (10) 32.0 ppb (30) 18.0 ppb (17) N/A 0.0 ppb (0) 24.0 ppb (18) 0.24 ppb (3) 24.0 μg/m3 (22) 10.2 μg/m3 (42) 42.0
 
July 19, 2019, 2 p.m. N/A 10.5 ppb (10) 26.8 ppb (25) 14.0 ppb (13) N/A 0.0 ppb (0) 20.0 ppb (15) 0.25 ppb (3) 19.0 μg/m3 (17) 9.1 μg/m3 (38) 38.0
 
July 19, 2019, 1 p.m. N/A 18.8 ppb (17) 39.4 ppb (36) 18.0 ppb (17) N/A 1.0 ppb (1) 11.0 ppb (8) 0.25 ppb (3) 20.0 μg/m3 (18) 9.7 μg/m3 (40) 40.0
 
July 19, 2019, noon N/A 10.0 ppb (9) 26.3 ppb (24) 13.0 ppb (12) N/A 0.0 ppb (0) 13.0 ppb (10) 0.25 ppb (3) 17.0 μg/m3 (15) 8.8 μg/m3 (37) 37.0
 
July 19, 2019, 11 a.m. N/A 3.0 ppb (3) 12.7 ppb (12) 7.0 ppb (6) N/A 0.0 ppb (0) 15.0 ppb (12) 0.24 ppb (3) 19.0 μg/m3 (17) 9.0 μg/m3 (38) 38.0
 
July 19, 2019, 10 a.m. N/A 2.6 ppb (2) 15.8 ppb (15) 11.0 ppb (10) N/A 0.0 ppb (0) 7.0 ppb (5) 0.23 ppb (3) 21.0 μg/m3 (19) 10.1 μg/m3 (42) 42.0
 
July 19, 2019, 9 a.m. N/A N/A N/A 11.0 ppb (10) N/A 0.0 ppb (0) 8.0 ppb (6) 0.21 ppb (2) 22.0 μg/m3 (20) 10.6 μg/m3 (44) 44.0
 
July 19, 2019, 8 a.m. N/A N/A N/A 8.0 ppb (7) N/A 0.0 ppb (0) 13.0 ppb (10) 0.18 ppb (2) 21.0 μg/m3 (19) 10.7 μg/m3 (45) 45.0
 
July 19, 2019, 7 a.m. N/A 0.5 ppb (0) 8.6 ppb (8) 6.0 ppb (6) N/A 0.0 ppb (0) 16.0 ppb (12) N/A 21.0 μg/m3 (19) 10.5 μg/m3 (44) 44.0
 
July 19, 2019, 6 a.m. N/A 0.5 ppb (0) 5.7 ppb (5) 4.0 ppb (4) N/A 0.0 ppb (0) 19.0 ppb (15) 0.17 ppb (2) 20.0 μg/m3 (18) 10.1 μg/m3 (42) 42.0
 
July 19, 2019, 5 a.m. N/A 0.7 ppb (1) 10.6 ppb (10) 8.0 ppb (7) N/A 0.0 ppb (0) N/A 0.18 ppb (2) 21.0 μg/m3 (19) 10.1 μg/m3 (42) 42.0
 
July 19, 2019, 4 a.m. N/A 0.9 ppb (1) 14.3 ppb (13) 11.0 ppb (10) N/A 0.0 ppb (0) 12.0 ppb (9) 0.18 ppb (2) 18.0 μg/m3 (16) 9.6 μg/m3 (40) 40.0
 
July 19, 2019, 3 a.m. N/A 0.5 ppb (0) 8.9 ppb (8) 7.0 ppb (6) N/A 0.0 ppb (0) 17.0 ppb (13) 0.19 ppb (2) 19.0 μg/m3 (17) 9.0 μg/m3 (38) 38.0
 
July 19, 2019, 2 a.m. N/A 0.3 ppb (0) 7.1 ppb (7) 5.0 ppb (5) N/A 0.0 ppb (0) 20.0 ppb (15) 0.18 ppb (2) 18.0 μg/m3 (16) 8.6 μg/m3 (36) 36.0
 
July 19, 2019, 1 a.m. N/A 0.4 ppb (0) 9.4 ppb (9) N/A N/A 0.0 ppb (0) 20.0 ppb (15) 0.2 ppb (2) 16.0 μg/m3 (15) 8.1 μg/m3 (34) 34.0
 
July 19, 2019, midnight N/A 0.4 ppb (0) 6.9 ppb (6) 5.0 ppb (5) N/A 0.0 ppb (0) 25.0 ppb (19) 0.2 ppb (2) 12.0 μg/m3 (11) 7.3 μg/m3 (30) 30.0
 
July 18, 2019, 11 p.m. N/A 0.8 ppb (1) 11.5 ppb (11) 9.0 ppb (8) N/A 0.0 ppb (0) 19.0 ppb (15) 0.25 ppb (3) 15.0 μg/m3 (14) 8.2 μg/m3 (34) 34.0
 
July 18, 2019, 10 p.m. N/A 1.0 ppb (1) 11.3 ppb (10) 9.0 ppb (8) N/A N/A 19.0 ppb (15) 0.22 ppb (2) 16.0 μg/m3 (15) 8.1 μg/m3 (34) 34.0
 
July 18, 2019, 9 p.m. N/A 1.0 ppb (1) 7.0 ppb (6) 5.0 ppb (5) N/A 0.0 ppb (0) 23.0 ppb (18) 0.22 ppb (2) 12.0 μg/m3 (11) 6.9 μg/m3 (29) 29.0
 
July 18, 2019, 8 p.m. N/A 0.8 ppb (1) 5.7 ppb (5) 4.0 ppb (4) N/A 0.0 ppb (0) 25.0 ppb (19) 0.2 ppb (2) 11.0 μg/m3 (10) 5.3 μg/m3 (22) 22.0
 
July 18, 2019, 7 p.m. N/A 0.7 ppb (1) 4.0 ppb (4) 2.0 ppb (2) N/A 0.0 ppb (0) 26.0 ppb (20) 0.18 ppb (2) 8.0 μg/m3 (7) 3.9 μg/m3 (16) 20.0
 
July 18, 2019, 6 p.m. N/A 0.9 ppb (1) 4.3 ppb (4) 2.0 ppb (2) N/A 0.0 ppb (0) 25.0 ppb (19) 0.17 ppb (2) 7.0 μg/m3 (6) 3.1 μg/m3 (13) 19.0
 
July 18, 2019, 5 p.m. N/A 0.7 ppb (1) 5.4 ppb (5) 3.0 ppb (3) N/A 0.0 ppb (0) 33.0 ppb (25) 0.17 ppb (2) 8.0 μg/m3 (7) 3.6 μg/m3 (15) 25.0
 
July 18, 2019, 4 p.m. N/A 1.2 ppb (1) 9.7 ppb (9) 6.0 ppb (6) N/A 0.0 ppb (0) 31.0 ppb (24) 0.17 ppb (2) 8.0 μg/m3 (7) 4.3 μg/m3 (18) 24.0
 
July 18, 2019, 3 p.m. N/A 0.9 ppb (1) 8.1 ppb (8) 5.0 ppb (5) N/A 0.0 ppb (0) 32.0 ppb (25) 0.19 ppb (2) 14.0 μg/m3 (13) 7.1 μg/m3 (30) 30.0
 
July 18, 2019, 2 p.m. N/A 0.8 ppb (1) 5.7 ppb (5) 3.0 ppb (3) N/A 0.0 ppb (0) 36.0 ppb (28) 0.17 ppb (2) 12.0 μg/m3 (11) 7.2 μg/m3 (30) 30.0
 
July 18, 2019, 1 p.m. N/A 1.5 ppb (1) 10.1 ppb (9) 6.0 ppb (6) N/A 0.0 ppb (0) 27.0 ppb (21) 0.2 ppb (2) 21.0 μg/m3 (19) 9.4 μg/m3 (39) 39.0
 
July 18, 2019, noon N/A 1.7 ppb (2) 13.8 ppb (13) 9.0 ppb (8) N/A 0.0 ppb (0) 21.0 ppb (16) 0.21 ppb (2) 26.0 μg/m3 (24) 11.1 μg/m3 (46) 46.0
 
July 18, 2019, 11 a.m. N/A 1.1 ppb (1) 16.0 ppb (15) 11.0 ppb (10) N/A 0.0 ppb (0) 21.0 ppb (16) 0.2 ppb (2) 21.0 μg/m3 (19) 10.1 μg/m3 (42) 42.0
 
July 18, 2019, 10 a.m. N/A 3.5 ppb (3) 29.8 ppb (28) 21.0 ppb (19) N/A 0.0 ppb (0) 17.0 ppb (13) 0.19 ppb (2) 18.0 μg/m3 (16) 9.7 μg/m3 (40) 40.0
 
July 18, 2019, 9 a.m. N/A N/A N/A 23.0 ppb (21) N/A 0.0 ppb (0) 18.0 ppb (14) 0.19 ppb (2) 20.0 μg/m3 (18) 10.8 μg/m3 (45) 45.0
 
July 18, 2019, 8 a.m. N/A N/A N/A 11.0 ppb (10) N/A 0.0 ppb (0) 29.0 ppb (22) 0.15 ppb (2) 22.0 μg/m3 (20) 11.5 μg/m3 (48) 48.0
 
July 18, 2019, 7 a.m. N/A 0.8 ppb (1) 12.2 ppb (11) 9.0 ppb (8) N/A 0.0 ppb (0) 25.0 ppb (19) N/A 19.0 μg/m3 (17) 10.1 μg/m3 (42) 42.0
 
July 18, 2019, 6 a.m. N/A 0.8 ppb (1) 15.8 ppb (15) 12.0 ppb (11) N/A 0.0 ppb (0) 19.0 ppb (15) 0.19 ppb (2) 20.0 μg/m3 (18) 10.6 μg/m3 (44) 44.0
 
July 18, 2019, 5 a.m. N/A 0.3 ppb (0) 9.7 ppb (9) 8.0 ppb (7) N/A 0.0 ppb (0) N/A 0.2 ppb (2) 19.0 μg/m3 (17) 9.5 μg/m3 (40) 40.0
 
July 18, 2019, 4 a.m. N/A 1.3 ppb (1) 12.7 ppb (12) 9.0 ppb (8) N/A 0.0 ppb (0) 27.0 ppb (21) 0.2 ppb (2) 19.0 μg/m3 (17) 10.4 μg/m3 (43) 43.0
 
July 18, 2019, 3 a.m. N/A 0.3 ppb (0) 7.5 ppb (7) 5.0 ppb (5) N/A 0.0 ppb (0) 32.0 ppb (25) 0.2 ppb (2) 16.0 μg/m3 (15) 9.4 μg/m3 (39) 39.0
 
July 18, 2019, 2 a.m. N/A 0.3 ppb (0) 7.2 ppb (7) 5.0 ppb (5) N/A 0.0 ppb (0) 37.0 ppb (28) 0.19 ppb (2) 16.0 μg/m3 (15) 9.1 μg/m3 (38) 38.0
 
July 18, 2019, 1 a.m. N/A 0.6 ppb (1) 16.0 ppb (15) N/A N/A 0.0 ppb (0) 37.0 ppb (28) 0.23 ppb (3) 29.0 μg/m3 (26) 13.6 μg/m3 (53) 53.0
 
July 18, 2019, midnight N/A 0.4 ppb (0) 13.2 ppb (12) 9.0 ppb (8) N/A 0.0 ppb (0) 41.0 ppb (32) 0.28 ppb (3) 19.0 μg/m3 (17) 10.4 μg/m3 (43) 43.0
 
July 17, 2019, 11 p.m. N/A 0.6 ppb (1) 12.5 ppb (12) 9.0 ppb (8) N/A 0.0 ppb (0) 46.0 ppb (35) 0.23 ppb (3) 24.0 μg/m3 (22) 11.8 μg/m3 (49) 49.0
 
July 17, 2019, 10 p.m. N/A 0.9 ppb (1) 14.5 ppb (13) 11.0 ppb (10) N/A N/A 50.0 ppb (38) 0.21 ppb (2) 30.0 μg/m3 (27) 14.8 μg/m3 (56) 56.0
 
July 17, 2019, 9 p.m. N/A 6.7 ppb (6) 34.5 ppb (32) 22.0 ppb (20) N/A 0.0 ppb (0) 42.0 ppb (32) 0.29 ppb (3) 29.0 μg/m3 (26) 13.7 μg/m3 (54) 54.0
 
July 17, 2019, 8 p.m. N/A 3.4 ppb (3) 23.3 ppb (22) 15.0 ppb (14) N/A 0.0 ppb (0) 45.0 ppb (35) 0.25 ppb (3) 28.0 μg/m3 (25) 13.1 μg/m3 (52) 52.0
 
July 17, 2019, 7 p.m. N/A 14.8 ppb (14) 44.7 ppb (41) 23.0 ppb (21) N/A 0.0 ppb (0) 40.0 ppb (31) 0.21 ppb (2) 65.0 μg/m3 (55) 18.7 μg/m3 (64) 64.0
 
July 17, 2019, 6 p.m. N/A 2.0 ppb (2) 25.6 ppb (24) 15.0 ppb (14) N/A 0.0 ppb (0) 86.0 ppb (68) 0.27 ppb (3) 41.0 μg/m3 (37) 19.5 μg/m3 (66) 68.0
 
July 17, 2019, 5 p.m. N/A 8.6 ppb (8) 64.9 ppb (62) 44.0 ppb (41) N/A 0.0 ppb (0) 82.0 ppb (64) 0.36 ppb (4) 46.0 μg/m3 (42) 24.4 μg/m3 (76) 76.0
 
July 17, 2019, 4 p.m. N/A 12.7 ppb (12) 62.7 ppb (59) 40.0 ppb (37) N/A 1.0 ppb (1) 62.0 ppb (48) 0.32 ppb (4) 36.0 μg/m3 (33) 21.5 μg/m3 (70) 70.0
 
July 17, 2019, 3 p.m. N/A 11.2 ppb (10) 48.9 ppb (45) 30.0 ppb (28) N/A 1.0 ppb (1) 49.0 ppb (38) 0.3 ppb (3) 38.0 μg/m3 (35) 19.5 μg/m3 (66) 66.0
 
July 17, 2019, 2 p.m. N/A 10.9 ppb (10) 42.1 ppb (39) 25.0 ppb (23) N/A 1.0 ppb (1) 37.0 ppb (28) N/A 32.0 μg/m3 (29) 16.6 μg/m3 (60) 60.0
 
July 17, 2019, 1 p.m. N/A 57.9 ppb (54) 105.8 ppb (101) 40.0 ppb (37) N/A 1.0 ppb (1) 11.0 ppb (8) 0.29 ppb (3) 40.0 μg/m3 (36) 20.8 μg/m3 (69) 101.0
 
July 17, 2019, noon N/A 23.7 ppb (22) 63.8 ppb (60) 35.0 ppb (32) N/A 1.0 ppb (1) 13.0 ppb (10) 0.27 ppb (3) 34.0 μg/m3 (31) 16.7 μg/m3 (60) 60.0
 
July 17, 2019, 11 a.m. N/A 33.3 ppb (31) 77.1 ppb (75) 39.0 ppb (36) N/A 1.0 ppb (1) 6.0 ppb (5) 0.29 ppb (3) 30.0 μg/m3 (27) 16.1 μg/m3 (59) 75.0
 
July 17, 2019, 10 a.m. N/A 10.8 ppb (10) 47.6 ppb (44) 31.0 ppb (29) N/A 1.0 ppb (1) 10.0 ppb (8) 0.29 ppb (3) 25.0 μg/m3 (23) 15.8 μg/m3 (58) 58.0
 
July 17, 2019, 9 a.m. N/A N/A N/A 39.0 ppb (36) N/A 1.0 ppb (1) 4.0 ppb (3) 0.3 ppb (3) 23.0 μg/m3 (21) 15.3 μg/m3 (57) 57.0
 
July 17, 2019, 8 a.m. N/A N/A N/A 34.0 ppb (31) N/A 1.0 ppb (1) 12.0 ppb (9) 0.26 ppb (3) 21.0 μg/m3 (19) 13.6 μg/m3 (53) 53.0
 
July 17, 2019, 7 a.m. N/A 2.2 ppb (2) 36.2 ppb (34) 28.0 ppb (26) N/A 1.0 ppb (1) 21.0 ppb (16) N/A 21.0 μg/m3 (19) 12.4 μg/m3 (51) 51.0
 
July 17, 2019, 6 a.m. N/A 5.5 ppb (5) 48.4 ppb (45) 38.0 ppb (35) N/A 1.0 ppb (1) 13.0 ppb (10) 0.33 ppb (4) 21.0 μg/m3 (19) 12.0 μg/m3 (50) 50.0
 
July 17, 2019, 5 a.m. N/A 7.8 ppb (7) 41.3 ppb (38) 29.0 ppb (27) N/A 1.0 ppb (1) N/A 0.22 ppb (2) 21.0 μg/m3 (19) 12.4 μg/m3 (51) 51.0
 
July 17, 2019, 4 a.m. N/A 1.8 ppb (2) 24.5 ppb (23) 21.0 ppb (19) N/A 1.0 ppb (1) 37.0 ppb (28) 0.21 ppb (2) 20.0 μg/m3 (18) 11.3 μg/m3 (47) 47.0
 
July 17, 2019, 3 a.m. N/A 0.3 ppb (0) 9.4 ppb (9) 6.0 ppb (6) N/A 0.0 ppb (0) 55.0 ppb (42) 0.21 ppb (2) 19.0 μg/m3 (17) 10.0 μg/m3 (42) 42.0
 
July 17, 2019, 2 a.m. N/A 0.4 ppb (0) 18.0 ppb (17) 14.0 ppb (13) N/A 0.0 ppb (0) 47.0 ppb (36) 0.22 ppb (2) 17.0 μg/m3 (15) 9.8 μg/m3 (41) 41.0
 
July 17, 2019, 1 a.m. N/A 0.5 ppb (0) 18.7 ppb (17) N/A N/A 1.0 ppb (1) 47.0 ppb (36) 0.27 ppb (3) 18.0 μg/m3 (16) 9.8 μg/m3 (41) 41.0
 
July 17, 2019, midnight N/A 0.6 ppb (1) 23.1 ppb (21) 20.0 ppb (19) N/A 0.0 ppb (0) 48.0 ppb (37) 0.27 ppb (3) 21.0 μg/m3 (19) 10.0 μg/m3 (42) 42.0
 
July 16, 2019, 11 p.m. N/A 1.3 ppb (1) 32.6 ppb (30) 27.0 ppb (25) N/A 1.0 ppb (1) 61.0 ppb (47) 0.39 ppb (4) 23.0 μg/m3 (21) 10.7 μg/m3 (45) 47.0
 
July 16, 2019, 10 p.m. N/A 1.0 ppb (1) 24.3 ppb (23) 15.0 ppb (14) N/A N/A 99.0 ppb (78) 0.32 ppb (4) 23.0 μg/m3 (21) 11.3 μg/m3 (47) 78.0
 
July 16, 2019, 9 p.m. N/A 0.9 ppb (1) 21.5 ppb (20) 12.0 ppb (11) N/A 1.0 ppb (1) 115.0 ppb (92) 0.28 ppb (3) 23.0 μg/m3 (21) 12.1 μg/m3 (50) 92.0
 
July 16, 2019, 8 p.m. N/A 1.3 ppb (1) 26.8 ppb (25) 14.0 ppb (13) N/A 1.0 ppb (1) 114.0 ppb (91) 0.29 ppb (3) 25.0 μg/m3 (23) 12.4 μg/m3 (51) 91.0
 
July 16, 2019, 7 p.m. N/A 2.6 ppb (2) 34.5 ppb (32) 21.0 ppb (19) N/A 1.0 ppb (1) 100.0 ppb (79) 0.31 ppb (3) 25.0 μg/m3 (23) 11.9 μg/m3 (50) 79.0
 
July 16, 2019, 6 p.m. N/A 2.9 ppb (3) 34.4 ppb (32) 22.0 ppb (20) N/A 1.0 ppb (1) 91.0 ppb (72) 0.3 ppb (3) 23.0 μg/m3 (21) 11.5 μg/m3 (48) 72.0
 
July 16, 2019, 5 p.m. N/A 2.0 ppb (2) 24.1 ppb (22) 14.0 ppb (13) N/A 0.0 ppb (0) 84.0 ppb (66) 0.26 ppb (3) 21.0 μg/m3 (19) 10.3 μg/m3 (43) 66.0
 
July 16, 2019, 4 p.m. N/A 3.2 ppb (3) 16.6 ppb (15) 10.0 ppb (9) N/A 0.0 ppb (0) 52.0 ppb (40) 0.19 ppb (2) 17.0 μg/m3 (15) 9.0 μg/m3 (38) 40.0
 
July 16, 2019, 3 p.m. N/A 4.2 ppb (4) 20.1 ppb (19) 12.0 ppb (11) N/A 0.0 ppb (0) 48.0 ppb (37) 0.23 ppb (3) 18.0 μg/m3 (16) 8.6 μg/m3 (36) 37.0
 
July 16, 2019, 2 p.m. N/A 3.5 ppb (3) 16.7 ppb (15) 11.0 ppb (10) N/A 0.0 ppb (0) 40.0 ppb (31) 0.2 ppb (2) 17.0 μg/m3 (15) 8.4 μg/m3 (35) 35.0
 
July 16, 2019, 1 p.m. N/A 8.9 ppb (8) 27.1 ppb (25) 15.0 ppb (14) N/A 0.0 ppb (0) 27.0 ppb (21) 0.3 ppb (3) 21.0 μg/m3 (19) 9.1 μg/m3 (38) 38.0
 
July 16, 2019, noon N/A 16.7 ppb (15) 39.4 ppb (36) 20.0 ppb (19) N/A 0.0 ppb (0) 14.0 ppb (11) 0.32 ppb (4) 24.0 μg/m3 (22) 10.4 μg/m3 (43) 43.0
 
July 16, 2019, 11 a.m. N/A 24.6 ppb (23) 44.8 ppb (41) 17.0 ppb (16) N/A 0.0 ppb (0) 6.0 ppb (5) 0.3 ppb (3) 20.0 μg/m3 (18) 9.9 μg/m3 (41) 41.0
 
July 16, 2019, 10 a.m. N/A 24.4 ppb (23) 44.7 ppb (41) 17.0 ppb (16) N/A 0.0 ppb (0) 2.0 ppb (2) 0.3 ppb (3) 18.0 μg/m3 (16) 10.1 μg/m3 (42) 42.0
 
July 16, 2019, 9 a.m. N/A N/A N/A 20.0 ppb (19) N/A 0.0 ppb (0) 1.0 ppb (1) 0.3 ppb (3) 19.0 μg/m3 (17) 10.1 μg/m3 (42) 42.0
 
July 16, 2019, 8 a.m. N/A N/A N/A 20.0 ppb (19) N/A 0.0 ppb (0) 0.0 ppb (0) 0.27 ppb (3) 16.0 μg/m3 (15) 9.3 μg/m3 (39) 39.0
 
July 16, 2019, 7 a.m. N/A 11.5 ppb (11) 35.1 ppb (32) 21.0 ppb (19) N/A 0.0 ppb (0) 0.0 ppb (0) N/A 18.0 μg/m3 (16) 9.2 μg/m3 (38) 38.0
 
July 16, 2019, 6 a.m. N/A 5.9 ppb (5) 29.1 ppb (27) 20.0 ppb (19) N/A 0.0 ppb (0) 1.0 ppb (1) 0.28 ppb (3) 19.0 μg/m3 (17) 9.4 μg/m3 (39) 39.0
 
July 16, 2019, 5 a.m. N/A 6.7 ppb (6) 33.3 ppb (31) 22.0 ppb (20) N/A 0.0 ppb (0) N/A 0.35 ppb (4) 26.0 μg/m3 (24) 10.9 μg/m3 (45) 45.0
 
July 16, 2019, 4 a.m. N/A 1.6 ppb (1) 19.1 ppb (18) 12.0 ppb (11) N/A 0.0 ppb (0) 18.0 ppb (14) 0.29 ppb (3) 25.0 μg/m3 (23) 10.4 μg/m3 (43) 43.0
 
July 16, 2019, 3 a.m. N/A 0.5 ppb (0) 22.2 ppb (21) 18.0 ppb (17) N/A 0.0 ppb (0) 15.0 ppb (12) 0.36 ppb (4) 20.0 μg/m3 (18) 9.8 μg/m3 (41) 41.0
 
July 16, 2019, 2 a.m. N/A 0.4 ppb (0) 18.6 ppb (17) 15.0 ppb (14) N/A 0.0 ppb (0) 20.0 ppb (15) 0.32 ppb (4) 18.0 μg/m3 (16) 9.3 μg/m3 (39) 39.0
 
July 16, 2019, 1 a.m. N/A 0.4 ppb (0) 15.7 ppb (15) N/A N/A 0.0 ppb (0) 25.0 ppb (19) 0.24 ppb (3) 16.0 μg/m3 (15) 7.7 μg/m3 (32) 32.0
 
July 16, 2019, midnight N/A 0.4 ppb (0) 20.5 ppb (19) 17.0 ppb (16) N/A 0.0 ppb (0) 34.0 ppb (26) 0.3 ppb (3) 15.0 μg/m3 (14) 7.2 μg/m3 (30) 30.0