AQSQID: 090090027

Site Name: New Haven - Criscuolo Park

Location: New Haven, CT

Reporting: True, Located: True

Current AQI: 69.0

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
May 20, 2019, 3 p.m. N/A 12.6 ppb (12) 39.1 ppb (36) 21.0 ppb (19) N/A 0.0 ppb (0) 36.0 ppb (28) 0.26 ppb (3) 33.0 μg/m3 (30) 21.0 μg/m3 (69) 69.0
 
May 20, 2019, 2 p.m. N/A 6.9 ppb (6) 28.2 ppb (26) 16.0 ppb (15) N/A 0.0 ppb (0) 33.0 ppb (25) 0.23 ppb (3) 30.0 μg/m3 (27) 18.8 μg/m3 (64) 64.0
 
May 20, 2019, 1 p.m. N/A 8.2 ppb (8) 29.6 ppb (27) 18.0 ppb (17) N/A 0.0 ppb (0) 30.0 ppb (23) 0.25 ppb (3) 30.0 μg/m3 (27) 17.3 μg/m3 (61) 61.0
 
May 20, 2019, noon N/A 8.7 ppb (8) 35.0 ppb (32) 23.0 ppb (21) N/A 0.0 ppb (0) 24.0 ppb (18) 0.24 ppb (3) 28.0 μg/m3 (25) 16.9 μg/m3 (60) 60.0
 
May 20, 2019, 11 a.m. N/A 5.9 ppb (5) 30.9 ppb (29) 22.0 ppb (20) N/A 0.0 ppb (0) 27.0 ppb (21) 0.24 ppb (3) 28.0 μg/m3 (25) 16.6 μg/m3 (60) 60.0
 
May 20, 2019, 10 a.m. N/A 2.5 ppb (2) 24.5 ppb (23) 20.0 ppb (19) N/A 0.0 ppb (0) 25.0 ppb (19) 0.23 ppb (3) 24.0 μg/m3 (22) 17.0 μg/m3 (61) 61.0
 
May 20, 2019, 9 a.m. N/A N/A N/A 13.0 ppb (12) N/A 0.0 ppb (0) 29.0 ppb (22) 0.2 ppb (2) 22.0 μg/m3 (20) 16.7 μg/m3 (60) 60.0
 
May 20, 2019, 8 a.m. N/A N/A N/A 12.0 ppb (11) N/A 0.0 ppb (0) 32.0 ppb (25) 0.17 ppb (2) 21.0 μg/m3 (19) 15.8 μg/m3 (58) 58.0
 
May 20, 2019, 7 a.m. N/A 0.6 ppb (1) 13.3 ppb (12) 11.0 ppb (10) N/A 0.0 ppb (0) 34.0 ppb (26) N/A 21.0 μg/m3 (19) 15.4 μg/m3 (57) 57.0
 
May 20, 2019, 6 a.m. N/A 0.7 ppb (1) 11.6 ppb (11) 8.0 ppb (7) N/A 0.0 ppb (0) 38.0 ppb (29) 0.17 ppb (2) 25.0 μg/m3 (23) 16.5 μg/m3 (60) 60.0
 
May 20, 2019, 5 a.m. N/A 0.8 ppb (1) 11.9 ppb (11) 9.0 ppb (8) N/A 0.0 ppb (0) N/A 0.17 ppb (2) 23.0 μg/m3 (21) 15.6 μg/m3 (58) 58.0
 
May 20, 2019, 4 a.m. N/A 0.3 ppb (0) 7.4 ppb (7) 5.0 ppb (5) N/A 0.0 ppb (0) 47.0 ppb (36) 0.16 ppb (2) 18.0 μg/m3 (16) 12.2 μg/m3 (50) 50.0
 
May 20, 2019, 3 a.m. N/A 0.4 ppb (0) 9.8 ppb (9) 8.0 ppb (7) N/A 0.0 ppb (0) 46.0 ppb (35) 0.18 ppb (2) 23.0 μg/m3 (21) 13.7 μg/m3 (54) 54.0
 
May 20, 2019, 2 a.m. N/A 0.3 ppb (0) 7.7 ppb (7) 5.0 ppb (5) N/A 0.0 ppb (0) 48.0 ppb (37) 0.18 ppb (2) 22.0 μg/m3 (20) 13.3 μg/m3 (53) 53.0
 
May 20, 2019, 1 a.m. N/A 0.3 ppb (0) 9.7 ppb (9) N/A N/A 0.0 ppb (0) 45.0 ppb (35) 0.17 ppb (2) 22.0 μg/m3 (20) 12.2 μg/m3 (50) 50.0
 
May 20, 2019, midnight N/A 0.3 ppb (0) 8.0 ppb (7) 6.0 ppb (6) N/A 0.0 ppb (0) 45.0 ppb (35) 0.17 ppb (2) 20.0 μg/m3 (18) 11.3 μg/m3 (47) 47.0
 
May 19, 2019, 11 p.m. N/A 0.7 ppb (1) 11.6 ppb (11) 9.0 ppb (8) N/A 0.0 ppb (0) 41.0 ppb (32) 0.18 ppb (2) 18.0 μg/m3 (16) 10.3 μg/m3 (43) 43.0
 
May 19, 2019, 10 p.m. N/A 0.7 ppb (1) 9.6 ppb (9) 7.0 ppb (6) N/A N/A 43.0 ppb (33) 0.17 ppb (2) 18.0 μg/m3 (16) 9.7 μg/m3 (40) 40.0
 
May 19, 2019, 9 p.m. N/A 0.5 ppb (0) 7.7 ppb (7) 6.0 ppb (6) N/A 0.0 ppb (0) 45.0 ppb (35) 0.2 ppb (2) 17.0 μg/m3 (15) 8.8 μg/m3 (37) 37.0
 
May 19, 2019, 8 p.m. N/A 1.3 ppb (1) 10.2 ppb (9) 7.0 ppb (6) N/A 0.0 ppb (0) 46.0 ppb (35) 0.18 ppb (2) 17.0 μg/m3 (15) 8.7 μg/m3 (36) 36.0
 
May 19, 2019, 7 p.m. N/A 1.3 ppb (1) 9.2 ppb (9) 6.0 ppb (6) N/A 0.0 ppb (0) 50.0 ppb (38) 0.19 ppb (2) 16.0 μg/m3 (15) 8.1 μg/m3 (34) 38.0
 
May 19, 2019, 6 p.m. N/A 3.9 ppb (4) 15.2 ppb (14) 9.0 ppb (8) N/A 0.0 ppb (0) 48.0 ppb (37) 0.21 ppb (2) 16.0 μg/m3 (15) 7.7 μg/m3 (32) 37.0
 
May 19, 2019, 5 p.m. N/A 2.8 ppb (3) 12.5 ppb (12) 7.0 ppb (6) N/A 0.0 ppb (0) 52.0 ppb (40) 0.2 ppb (2) 14.0 μg/m3 (13) 6.9 μg/m3 (29) 40.0
 
May 19, 2019, 4 p.m. N/A 5.5 ppb (5) 18.9 ppb (18) 11.0 ppb (10) N/A 0.0 ppb (0) 47.0 ppb (36) 0.19 ppb (2) 13.0 μg/m3 (12) 5.9 μg/m3 (25) 36.0
 
May 19, 2019, 3 p.m. N/A 3.3 ppb (3) 12.2 ppb (11) 7.0 ppb (6) N/A 0.0 ppb (0) 46.0 ppb (35) 0.21 ppb (2) 12.0 μg/m3 (11) 5.0 μg/m3 (21) 35.0
 
May 19, 2019, 2 p.m. N/A 0.7 ppb (1) 3.8 ppb (4) 2.0 ppb (2) N/A 0.0 ppb (0) 42.0 ppb (32) 0.14 ppb (2) 9.0 μg/m3 (8) 4.3 μg/m3 (18) 32.0
 
May 19, 2019, 1 p.m. N/A 1.0 ppb (1) 5.2 ppb (5) 3.0 ppb (3) N/A 0.0 ppb (0) 39.0 ppb (30) 0.16 ppb (2) 9.0 μg/m3 (8) 4.3 μg/m3 (18) 30.0
 
May 19, 2019, noon N/A 0.8 ppb (1) 7.3 ppb (7) 5.0 ppb (5) N/A 0.0 ppb (0) 36.0 ppb (28) 0.15 ppb (2) 9.0 μg/m3 (8) 4.9 μg/m3 (20) 28.0
 
May 19, 2019, 11 a.m. N/A 1.3 ppb (1) 10.7 ppb (10) 8.0 ppb (7) N/A 0.0 ppb (0) 35.0 ppb (27) 0.15 ppb (2) 9.0 μg/m3 (8) 5.3 μg/m3 (22) 27.0
 
May 19, 2019, 10 a.m. N/A 2.2 ppb (2) 17.3 ppb (16) 14.0 ppb (13) N/A 0.0 ppb (0) 28.0 ppb (22) 0.15 ppb (2) 11.0 μg/m3 (10) 6.1 μg/m3 (25) 25.0
 
May 19, 2019, 9 a.m. N/A N/A N/A 8.0 ppb (7) N/A 0.0 ppb (0) 31.0 ppb (24) 0.17 ppb (2) 11.0 μg/m3 (10) 6.4 μg/m3 (27) 27.0
 
May 19, 2019, 8 a.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 37.0 ppb (28) 0.16 ppb (2) 12.0 μg/m3 (11) 6.7 μg/m3 (28) 28.0
 
May 19, 2019, 7 a.m. N/A 0.3 ppb (0) 8.3 ppb (8) 6.0 ppb (6) N/A 0.0 ppb (0) 39.0 ppb (30) N/A 12.0 μg/m3 (11) 6.7 μg/m3 (28) 30.0
 
May 19, 2019, 6 a.m. N/A 0.2 ppb (0) 8.3 ppb (8) 6.0 ppb (6) N/A 0.0 ppb (0) 39.0 ppb (30) 0.19 ppb (2) 13.0 μg/m3 (12) 7.2 μg/m3 (30) 30.0
 
May 19, 2019, 5 a.m. N/A 0.8 ppb (1) 20.2 ppb (19) 16.0 ppb (15) N/A 0.0 ppb (0) N/A 0.18 ppb (2) 12.0 μg/m3 (11) 7.6 μg/m3 (32) 32.0
 
May 19, 2019, 4 a.m. N/A 1.6 ppb (1) 27.3 ppb (25) 20.0 ppb (19) N/A 0.0 ppb (0) 31.0 ppb (24) 0.18 ppb (2) 13.0 μg/m3 (12) 7.5 μg/m3 (31) 31.0
 
May 19, 2019, 3 a.m. N/A 0.5 ppb (0) 23.4 ppb (22) 19.0 ppb (18) N/A 0.0 ppb (0) 32.0 ppb (25) 0.23 ppb (3) 15.0 μg/m3 (14) 8.2 μg/m3 (34) 34.0
 
May 19, 2019, 2 a.m. N/A 1.0 ppb (1) 28.3 ppb (26) 22.0 ppb (20) N/A 0.0 ppb (0) 31.0 ppb (24) 0.23 ppb (3) 14.0 μg/m3 (13) 8.2 μg/m3 (34) 34.0
 
May 19, 2019, 1 a.m. N/A 2.2 ppb (2) 31.4 ppb (29) N/A N/A 0.0 ppb (0) 32.0 ppb (25) 0.22 ppb (2) 15.0 μg/m3 (14) 8.0 μg/m3 (33) 33.0
 
May 19, 2019, midnight N/A 3.0 ppb (3) 31.4 ppb (29) 22.0 ppb (20) N/A 0.0 ppb (0) 36.0 ppb (28) 0.24 ppb (3) 15.0 μg/m3 (14) 8.0 μg/m3 (33) 33.0
 
May 18, 2019, 11 p.m. N/A 2.4 ppb (2) 23.0 ppb (21) 17.0 ppb (16) N/A 0.0 ppb (0) 42.0 ppb (32) 0.25 ppb (3) 10.0 μg/m3 (9) 4.8 μg/m3 (20) 32.0
 
May 18, 2019, 10 p.m. N/A 5.5 ppb (5) 27.0 ppb (25) 17.0 ppb (16) N/A N/A 41.0 ppb (32) 0.21 ppb (2) 10.0 μg/m3 (9) 4.6 μg/m3 (19) 32.0
 
May 18, 2019, 9 p.m. N/A 8.7 ppb (8) 26.4 ppb (24) 14.0 ppb (13) N/A 0.0 ppb (0) 41.0 ppb (32) 0.22 ppb (2) 9.0 μg/m3 (8) 4.5 μg/m3 (19) 32.0
 
May 18, 2019, 8 p.m. N/A 2.8 ppb (3) 13.0 ppb (12) 8.0 ppb (7) N/A 0.0 ppb (0) 46.0 ppb (35) 0.21 ppb (2) 11.0 μg/m3 (10) 4.4 μg/m3 (18) 35.0
 
May 18, 2019, 7 p.m. N/A 1.7 ppb (2) 7.9 ppb (7) 4.0 ppb (4) N/A 0.0 ppb (0) 46.0 ppb (35) 0.17 ppb (2) 11.0 μg/m3 (10) 3.8 μg/m3 (16) 35.0
 
May 18, 2019, 6 p.m. N/A 0.7 ppb (1) 2.8 ppb (3) 1.0 ppb (1) N/A 0.0 ppb (0) 45.0 ppb (35) 0.13 ppb (1) 8.0 μg/m3 (7) 2.8 μg/m3 (12) 35.0
 
May 18, 2019, 5 p.m. N/A 0.6 ppb (1) 2.6 ppb (2) 1.0 ppb (1) N/A 0.0 ppb (0) 43.0 ppb (33) 0.14 ppb (2) 8.0 μg/m3 (7) 3.0 μg/m3 (12) 33.0
 
May 18, 2019, 4 p.m. N/A 0.6 ppb (1) 2.4 ppb (2) 1.0 ppb (1) N/A 0.0 ppb (0) 41.0 ppb (32) 0.12 ppb (1) 10.0 μg/m3 (9) 3.2 μg/m3 (13) 32.0
 
May 18, 2019, 3 p.m. N/A 0.7 ppb (1) 2.8 ppb (3) 1.0 ppb (1) N/A 0.0 ppb (0) 39.0 ppb (30) 0.14 ppb (2) 7.0 μg/m3 (6) 3.1 μg/m3 (13) 30.0
 
May 18, 2019, 2 p.m. N/A 0.8 ppb (1) 2.8 ppb (3) 1.0 ppb (1) N/A 0.0 ppb (0) 38.0 ppb (29) 0.13 ppb (1) 8.0 μg/m3 (7) 3.0 μg/m3 (12) 29.0
 
May 18, 2019, 1 p.m. N/A 1.0 ppb (1) 3.5 ppb (3) 1.0 ppb (1) N/A 0.0 ppb (0) 36.0 ppb (28) 0.13 ppb (1) 8.0 μg/m3 (7) 3.3 μg/m3 (14) 28.0
 
May 18, 2019, noon N/A 0.9 ppb (1) 3.4 ppb (3) 1.0 ppb (1) N/A 0.0 ppb (0) 35.0 ppb (27) 0.13 ppb (1) 9.0 μg/m3 (8) 3.8 μg/m3 (16) 27.0
 
May 18, 2019, 11 a.m. N/A 1.7 ppb (2) 7.3 ppb (7) 4.0 ppb (4) N/A 0.0 ppb (0) 31.0 ppb (24) 0.16 ppb (2) 10.0 μg/m3 (9) 5.0 μg/m3 (21) 24.0
 
May 18, 2019, 10 a.m. N/A 2.7 ppb (3) 18.8 ppb (17) 15.0 ppb (14) N/A 0.0 ppb (0) 19.0 ppb (15) 0.23 ppb (3) 12.0 μg/m3 (11) 7.0 μg/m3 (29) 29.0
 
May 18, 2019, 9 a.m. N/A N/A N/A 13.0 ppb (12) N/A 0.0 ppb (0) 20.0 ppb (15) 0.22 ppb (2) 13.0 μg/m3 (12) 7.1 μg/m3 (30) 30.0
 
May 18, 2019, 8 a.m. N/A N/A N/A 10.0 ppb (9) N/A 0.0 ppb (0) 27.0 ppb (21) 0.17 ppb (2) 13.0 μg/m3 (12) 6.6 μg/m3 (28) 28.0
 
May 18, 2019, 7 a.m. N/A 0.4 ppb (0) 8.6 ppb (8) 7.0 ppb (6) N/A 0.0 ppb (0) 36.0 ppb (28) N/A 12.0 μg/m3 (11) 5.9 μg/m3 (25) 28.0
 
May 18, 2019, 6 a.m. N/A 0.5 ppb (0) 6.0 ppb (6) 4.0 ppb (4) N/A 0.0 ppb (0) 43.0 ppb (33) 0.15 ppb (2) 12.0 μg/m3 (11) 5.9 μg/m3 (25) 33.0
 
May 18, 2019, 5 a.m. N/A 0.3 ppb (0) 4.1 ppb (4) 2.0 ppb (2) N/A 0.0 ppb (0) N/A 0.16 ppb (2) 16.0 μg/m3 (15) 6.4 μg/m3 (27) 27.0
 
May 18, 2019, 4 a.m. N/A 0.3 ppb (0) 7.1 ppb (7) 4.0 ppb (4) N/A 0.0 ppb (0) 42.0 ppb (32) 0.21 ppb (2) 21.0 μg/m3 (19) 11.9 μg/m3 (50) 50.0
 
May 18, 2019, 3 a.m. N/A 5.2 ppb (5) 42.4 ppb (39) 32.0 ppb (30) N/A 0.0 ppb (0) 5.0 ppb (4) 0.66 ppb (7) 34.0 μg/m3 (31) 25.0 μg/m3 (78) 78.0
 
May 18, 2019, 2 a.m. N/A 13.8 ppb (13) 56.6 ppb (53) 36.0 ppb (33) N/A 0.0 ppb (0) 5.0 ppb (4) 0.83 ppb (9) 40.0 μg/m3 (36) 27.9 μg/m3 (84) 84.0
 
May 18, 2019, 1 a.m. N/A 0.4 ppb (0) 23.3 ppb (22) N/A N/A 0.0 ppb (0) 30.0 ppb (23) 0.42 ppb (5) 29.0 μg/m3 (26) 20.2 μg/m3 (67) 67.0
 
May 18, 2019, midnight N/A 0.3 ppb (0) 11.3 ppb (10) 6.0 ppb (6) N/A 0.0 ppb (0) 49.0 ppb (38) 0.23 ppb (3) 26.0 μg/m3 (24) 16.8 μg/m3 (60) 60.0
 
May 17, 2019, 11 p.m. N/A 0.5 ppb (0) 11.9 ppb (11) 6.0 ppb (6) N/A 0.0 ppb (0) 53.0 ppb (41) 0.25 ppb (3) 26.0 μg/m3 (24) 16.4 μg/m3 (59) 59.0
 
May 17, 2019, 10 p.m. N/A 1.2 ppb (1) 15.7 ppb (15) 9.0 ppb (8) N/A N/A 56.0 ppb (43) 0.26 ppb (3) 26.0 μg/m3 (24) 16.7 μg/m3 (60) 60.0
 
May 17, 2019, 9 p.m. N/A 2.1 ppb (2) 17.6 ppb (16) 10.0 ppb (9) N/A 0.0 ppb (0) 55.0 ppb (42) 0.27 ppb (3) 27.0 μg/m3 (25) 17.4 μg/m3 (61) 61.0
 
May 17, 2019, 8 p.m. N/A 2.2 ppb (2) 22.4 ppb (21) 15.0 ppb (14) N/A 0.0 ppb (0) 53.0 ppb (41) 0.27 ppb (3) 28.0 μg/m3 (25) 18.7 μg/m3 (64) 64.0
 
May 17, 2019, 7 p.m. N/A 1.9 ppb (2) 37.4 ppb (35) 20.0 ppb (19) N/A 0.0 ppb (0) 49.0 ppb (38) 0.37 ppb (4) 36.0 μg/m3 (33) 23.9 μg/m3 (75) 75.0
 
May 17, 2019, 6 p.m. N/A 2.8 ppb (3) 32.4 ppb (30) 24.0 ppb (22) N/A 0.0 ppb (0) 42.0 ppb (32) 0.3 ppb (3) 31.0 μg/m3 (28) 18.7 μg/m3 (64) 64.0
 
May 17, 2019, 5 p.m. N/A 1.9 ppb (2) 25.5 ppb (24) 17.0 ppb (16) N/A 0.0 ppb (0) 51.0 ppb (39) 0.27 ppb (3) 29.0 μg/m3 (26) 17.4 μg/m3 (61) 61.0
 
May 17, 2019, 4 p.m. N/A 3.6 ppb (3) 25.1 ppb (23) 16.0 ppb (15) N/A 0.0 ppb (0) 52.0 ppb (40) 0.26 ppb (3) 27.0 μg/m3 (25) 16.5 μg/m3 (60) 60.0
 
May 17, 2019, 3 p.m. N/A 4.8 ppb (4) 25.9 ppb (24) 16.0 ppb (15) N/A 0.0 ppb (0) 50.0 ppb (38) 0.26 ppb (3) 25.0 μg/m3 (23) 15.8 μg/m3 (58) 58.0
 
May 17, 2019, 2 p.m. N/A 6.9 ppb (6) 28.7 ppb (27) 18.0 ppb (17) N/A 0.0 ppb (0) 43.0 ppb (33) 0.26 ppb (3) 27.0 μg/m3 (25) 15.6 μg/m3 (58) 58.0
 
May 17, 2019, 1 p.m. N/A 10.4 ppb (10) 36.6 ppb (34) 22.0 ppb (20) N/A 0.0 ppb (0) 33.0 ppb (25) 0.27 ppb (3) 25.0 μg/m3 (23) 15.8 μg/m3 (58) 58.0
 
May 17, 2019, noon N/A 6.0 ppb (6) 27.9 ppb (26) 18.0 ppb (17) N/A 0.0 ppb (0) 31.0 ppb (24) 0.25 ppb (3) 26.0 μg/m3 (24) 15.6 μg/m3 (58) 58.0
 
May 17, 2019, 11 a.m. N/A 4.9 ppb (5) 27.6 ppb (26) 18.0 ppb (17) N/A 0.0 ppb (0) 29.0 ppb (22) 0.27 ppb (3) 26.0 μg/m3 (24) 14.8 μg/m3 (56) 56.0
 
May 17, 2019, 10 a.m. N/A 3.3 ppb (3) 29.0 ppb (27) 21.0 ppb (19) N/A 0.0 ppb (0) 20.0 ppb (15) 0.29 ppb (3) 23.0 μg/m3 (21) 13.2 μg/m3 (53) 53.0
 
May 17, 2019, 9 a.m. N/A N/A N/A 18.0 ppb (17) N/A 0.0 ppb (0) 19.0 ppb (15) 0.27 ppb (3) 26.0 μg/m3 (24) 13.7 μg/m3 (54) 54.0
 
May 17, 2019, 8 a.m. N/A N/A N/A 22.0 ppb (20) N/A 0.0 ppb (0) 10.0 ppb (8) 0.28 ppb (3) 20.0 μg/m3 (18) 12.9 μg/m3 (52) 52.0
 
May 17, 2019, 7 a.m. N/A 0.5 ppb (0) 19.1 ppb (18) 16.0 ppb (15) N/A 0.0 ppb (0) 13.0 ppb (10) N/A 19.0 μg/m3 (17) 11.6 μg/m3 (48) 48.0
 
May 17, 2019, 6 a.m. N/A 0.5 ppb (0) 19.0 ppb (18) 13.0 ppb (12) N/A 0.0 ppb (0) 16.0 ppb (12) 0.32 ppb (4) 19.0 μg/m3 (17) 13.2 μg/m3 (53) 53.0
 
May 17, 2019, 5 a.m. N/A 0.4 ppb (0) 25.3 ppb (23) 18.0 ppb (17) N/A 0.0 ppb (0) N/A 0.35 ppb (4) 20.0 μg/m3 (18) 13.4 μg/m3 (53) 53.0
 
May 17, 2019, 4 a.m. N/A 0.5 ppb (0) 26.6 ppb (25) 20.0 ppb (19) N/A 0.0 ppb (0) 19.0 ppb (15) 0.35 ppb (4) 21.0 μg/m3 (19) 12.9 μg/m3 (52) 52.0
 
May 17, 2019, 3 a.m. N/A 0.5 ppb (0) 24.0 ppb (22) 17.0 ppb (16) N/A 0.0 ppb (0) 28.0 ppb (22) 0.37 ppb (4) 19.0 μg/m3 (17) 12.0 μg/m3 (50) 50.0
 
May 17, 2019, 2 a.m. N/A 1.0 ppb (1) 20.6 ppb (19) 15.0 ppb (14) N/A 0.0 ppb (0) 40.0 ppb (31) 0.28 ppb (3) 20.0 μg/m3 (18) 11.7 μg/m3 (49) 49.0
 
May 17, 2019, 1 a.m. N/A 0.3 ppb (0) 14.7 ppb (14) N/A N/A 0.0 ppb (0) 44.0 ppb (34) 0.23 ppb (3) 16.0 μg/m3 (15) 8.1 μg/m3 (34) 34.0
 
May 17, 2019, midnight N/A 0.4 ppb (0) 15.4 ppb (14) 13.0 ppb (12) N/A 0.0 ppb (0) 44.0 ppb (34) 0.22 ppb (2) 15.0 μg/m3 (14) 6.8 μg/m3 (28) 34.0
 
May 16, 2019, 11 p.m. N/A 0.9 ppb (1) 18.3 ppb (17) 16.0 ppb (15) N/A 0.0 ppb (0) 44.0 ppb (34) 0.21 ppb (2) 13.0 μg/m3 (12) 6.2 μg/m3 (26) 34.0
 
May 16, 2019, 10 p.m. N/A 5.6 ppb (5) 27.0 ppb (25) 18.0 ppb (17) N/A N/A 43.0 ppb (33) 0.27 ppb (3) 11.0 μg/m3 (10) 5.9 μg/m3 (25) 33.0
 
May 16, 2019, 9 p.m. N/A 1.5 ppb (1) 10.4 ppb (10) 7.0 ppb (6) N/A 0.0 ppb (0) 54.0 ppb (42) 0.19 ppb (2) 11.0 μg/m3 (10) 5.7 μg/m3 (24) 42.0
 
May 16, 2019, 8 p.m. N/A 2.2 ppb (2) 13.7 ppb (13) 9.0 ppb (8) N/A 0.0 ppb (0) 56.0 ppb (43) 0.2 ppb (2) 11.0 μg/m3 (10) 6.5 μg/m3 (27) 43.0
 
May 16, 2019, 7 p.m. N/A 1.1 ppb (1) 13.4 ppb (12) 8.0 ppb (7) N/A 0.0 ppb (0) 58.0 ppb (45) 0.2 ppb (2) 15.0 μg/m3 (14) 7.0 μg/m3 (29) 45.0
 
May 16, 2019, 6 p.m. N/A N/A N/A 7.0 ppb (6) N/A 0.0 ppb (0) 59.0 ppb (45) 0.2 ppb (2) 15.0 μg/m3 (14) 7.6 μg/m3 (32) 45.0
 
May 16, 2019, 5 p.m. N/A N/A N/A 8.0 ppb (7) N/A 0.0 ppb (0) 52.0 ppb (40) 0.21 ppb (2) 14.0 μg/m3 (13) 8.5 μg/m3 (35) 40.0
 
May 16, 2019, 4 p.m. N/A N/A N/A 12.0 ppb (11) N/A 0.0 ppb (0) 43.0 ppb (33) 0.21 ppb (2) 16.0 μg/m3 (15) 8.9 μg/m3 (37) 37.0
 
May 16, 2019, 3 p.m. N/A N/A N/A 13.0 ppb (12) N/A 0.0 ppb (0) 35.0 ppb (27) 0.24 ppb (3) 14.0 μg/m3 (13) 8.3 μg/m3 (35) 35.0
 
May 16, 2019, 2 p.m. N/A 4.4 ppb (4) 14.3 ppb (13) 8.0 ppb (7) N/A 0.0 ppb (0) 41.0 ppb (32) 0.2 ppb (2) 11.0 μg/m3 (10) 5.5 μg/m3 (23) 32.0
 
May 16, 2019, 1 p.m. N/A 1.2 ppb (1) 5.5 ppb (5) 3.0 ppb (3) N/A 0.0 ppb (0) 48.0 ppb (37) 0.16 ppb (2) 9.0 μg/m3 (8) 4.7 μg/m3 (20) 37.0
 
May 16, 2019, noon N/A 1.7 ppb (2) 7.6 ppb (7) 4.0 ppb (4) N/A 0.0 ppb (0) 45.0 ppb (35) 0.17 ppb (2) 11.0 μg/m3 (10) 5.9 μg/m3 (25) 35.0
 
May 16, 2019, 11 a.m. N/A 3.2 ppb (3) 15.9 ppb (15) 10.0 ppb (9) N/A 0.0 ppb (0) 33.0 ppb (25) 0.22 ppb (2) 12.0 μg/m3 (11) 6.4 μg/m3 (27) 27.0
 
May 16, 2019, 10 a.m. N/A 3.6 ppb (3) 22.6 ppb (21) 19.0 ppb (18) N/A 0.0 ppb (0) 20.0 ppb (15) 0.29 ppb (3) 10.0 μg/m3 (9) 6.3 μg/m3 (26) 26.0
 
May 16, 2019, 9 a.m. N/A N/A N/A 20.0 ppb (19) N/A 0.0 ppb (0) 21.0 ppb (16) 0.2 ppb (2) 10.0 μg/m3 (9) 5.7 μg/m3 (24) 24.0
 
May 16, 2019, 8 a.m. N/A N/A N/A 24.0 ppb (22) N/A 0.0 ppb (0) 22.0 ppb (17) 0.18 ppb (2) 11.0 μg/m3 (10) 6.3 μg/m3 (26) 26.0
 
May 16, 2019, 7 a.m. N/A 0.5 ppb (0) 14.7 ppb (14) 13.0 ppb (12) N/A 0.0 ppb (0) 35.0 ppb (27) N/A 9.0 μg/m3 (8) 5.4 μg/m3 (23) 27.0
 
May 16, 2019, 6 a.m. N/A 0.3 ppb (0) 10.2 ppb (9) 9.0 ppb (8) N/A 0.0 ppb (0) 44.0 ppb (34) 0.14 ppb (2) 10.0 μg/m3 (9) 5.0 μg/m3 (21) 34.0
 
May 16, 2019, 5 a.m. N/A 0.4 ppb (0) 10.3 ppb (10) 8.0 ppb (7) N/A 0.0 ppb (0) N/A 0.19 ppb (2) 10.0 μg/m3 (9) 5.5 μg/m3 (23) 23.0
 
May 16, 2019, 4 a.m. N/A 0.4 ppb (0) 14.2 ppb (13) 12.0 ppb (11) N/A 0.0 ppb (0) 29.0 ppb (22) 0.22 ppb (2) 10.0 μg/m3 (9) 5.2 μg/m3 (22) 22.0
 
May 16, 2019, 3 a.m. N/A 0.3 ppb (0) 10.6 ppb (10) 8.0 ppb (7) N/A 0.0 ppb (0) 32.0 ppb (25) 0.22 ppb (2) 10.0 μg/m3 (9) 5.5 μg/m3 (23) 25.0
 
May 16, 2019, 2 a.m. N/A 0.9 ppb (1) 19.5 ppb (18) 16.0 ppb (15) N/A 0.0 ppb (0) 26.0 ppb (20) 0.24 ppb (3) 13.0 μg/m3 (12) 6.2 μg/m3 (26) 26.0
 
May 16, 2019, 1 a.m. N/A 1.3 ppb (1) 18.2 ppb (17) N/A N/A 0.0 ppb (0) 30.0 ppb (23) 0.25 ppb (3) 13.0 μg/m3 (12) 5.7 μg/m3 (24) 24.0
 
May 16, 2019, midnight N/A 4.7 ppb (4) 20.4 ppb (19) 12.0 ppb (11) N/A 0.0 ppb (0) 32.0 ppb (25) 0.22 ppb (2) 12.0 μg/m3 (11) 5.3 μg/m3 (22) 25.0
 
May 15, 2019, 11 p.m. N/A 2.8 ppb (3) 17.6 ppb (16) 13.0 ppb (12) N/A 0.0 ppb (0) 34.0 ppb (26) 0.19 ppb (2) 14.0 μg/m3 (13) 4.9 μg/m3 (20) 26.0
 
May 15, 2019, 10 p.m. N/A 1.9 ppb (2) 11.7 ppb (11) 8.0 ppb (7) N/A N/A 38.0 ppb (29) 0.18 ppb (2) 11.0 μg/m3 (10) 3.8 μg/m3 (16) 29.0
 
May 15, 2019, 9 p.m. N/A 2.4 ppb (2) 10.3 ppb (10) 7.0 ppb (6) N/A 0.0 ppb (0) 38.0 ppb (29) 0.17 ppb (2) 9.0 μg/m3 (8) 3.4 μg/m3 (14) 29.0
 
May 15, 2019, 8 p.m. N/A 0.9 ppb (1) 4.1 ppb (4) 2.0 ppb (2) N/A 0.0 ppb (0) 40.0 ppb (31) 0.15 ppb (2) 13.0 μg/m3 (12) 3.5 μg/m3 (15) 31.0
 
May 15, 2019, 7 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 38.0 ppb (29) 0.13 ppb (1) 14.0 μg/m3 (13) 3.3 μg/m3 (14) 29.0
 
May 15, 2019, 6 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 40.0 ppb (31) 0.13 ppb (1) 13.0 μg/m3 (12) 2.8 μg/m3 (12) 31.0
 
May 15, 2019, 5 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 40.0 ppb (31) 0.13 ppb (1) 10.0 μg/m3 (9) 2.4 μg/m3 (10) 31.0
 
May 15, 2019, 4 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 38.0 ppb (29) 0.13 ppb (1) 9.0 μg/m3 (8) 2.1 μg/m3 (9) 29.0
 
May 15, 2019, 3 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 36.0 ppb (28) 0.12 ppb (1) 9.0 μg/m3 (8) 2.4 μg/m3 (10) 28.0
 
May 15, 2019, 2 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) N/A 0.14 ppb (2) 8.0 μg/m3 (7) 2.4 μg/m3 (10) 10.0
 
May 15, 2019, 1 p.m. N/A 1.4 ppb (1) 5.8 ppb (5) 3.0 ppb (3) N/A 0.0 ppb (0) 31.0 ppb (24) 0.13 ppb (1) 6.0 μg/m3 (5) 2.5 μg/m3 (10) 24.0
 
May 15, 2019, noon N/A 1.7 ppb (2) 6.3 ppb (6) 3.0 ppb (3) N/A 0.0 ppb (0) 28.0 ppb (22) 0.14 ppb (2) 6.0 μg/m3 (5) 2.6 μg/m3 (11) 22.0
 
May 15, 2019, 11 a.m. N/A 2.5 ppb (2) 9.0 ppb (8) 5.0 ppb (5) N/A 0.0 ppb (0) 20.0 ppb (15) 0.17 ppb (2) 6.0 μg/m3 (5) 2.9 μg/m3 (12) 15.0
 
May 15, 2019, 10 a.m. N/A N/A N/A 9.0 ppb (8) N/A 0.0 ppb (0) 13.0 ppb (10) 0.17 ppb (2) 7.0 μg/m3 (6) 3.5 μg/m3 (15) 15.0
 
May 15, 2019, 9 a.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 15.0 ppb (12) 0.16 ppb (2) 6.0 μg/m3 (5) 3.5 μg/m3 (15) 15.0
 
May 15, 2019, 8 a.m. N/A N/A N/A 8.0 ppb (7) N/A 0.0 ppb (0) 14.0 ppb (11) 0.16 ppb (2) 7.0 μg/m3 (6) 4.2 μg/m3 (18) 18.0
 
May 15, 2019, 7 a.m. N/A 0.6 ppb (1) 9.1 ppb (8) 8.0 ppb (7) N/A 0.0 ppb (0) 13.0 ppb (10) N/A 9.0 μg/m3 (8) 5.4 μg/m3 (23) 23.0
 
May 15, 2019, 6 a.m. N/A 1.3 ppb (1) 11.2 ppb (10) 8.0 ppb (7) N/A 0.0 ppb (0) 16.0 ppb (12) 0.18 ppb (2) 8.0 μg/m3 (7) 4.5 μg/m3 (19) 19.0
 
May 15, 2019, 5 a.m. N/A 1.6 ppb (1) 11.8 ppb (11) 8.0 ppb (7) N/A 0.0 ppb (0) N/A 0.19 ppb (2) 9.0 μg/m3 (8) 6.0 μg/m3 (25) 25.0
 
May 15, 2019, 4 a.m. N/A 1.6 ppb (1) 15.3 ppb (14) 12.0 ppb (11) N/A 0.0 ppb (0) 13.0 ppb (10) 0.2 ppb (2) 10.0 μg/m3 (9) 6.1 μg/m3 (25) 25.0
 
May 15, 2019, 3 a.m. N/A 0.6 ppb (1) 13.5 ppb (12) 12.0 ppb (11) N/A 0.0 ppb (0) 13.0 ppb (10) 0.21 ppb (2) 10.0 μg/m3 (9) 6.2 μg/m3 (26) 26.0
 
May 15, 2019, 2 a.m. N/A 0.5 ppb (0) 14.5 ppb (13) 11.0 ppb (10) N/A 0.0 ppb (0) 13.0 ppb (10) 0.22 ppb (2) 11.0 μg/m3 (10) 6.2 μg/m3 (26) 26.0
 
May 15, 2019, 1 a.m. N/A 0.4 ppb (0) 9.7 ppb (9) N/A N/A 0.0 ppb (0) 21.0 ppb (16) 0.2 ppb (2) 8.0 μg/m3 (7) 4.5 μg/m3 (19) 19.0
 
May 15, 2019, midnight N/A 0.4 ppb (0) 10.0 ppb (9) 9.0 ppb (8) N/A 0.0 ppb (0) 22.0 ppb (17) 0.21 ppb (2) 9.0 μg/m3 (8) 4.2 μg/m3 (18) 18.0
 
May 14, 2019, 11 p.m. N/A 0.6 ppb (1) 9.4 ppb (9) 8.0 ppb (7) N/A 0.0 ppb (0) 25.0 ppb (19) 0.21 ppb (2) 8.0 μg/m3 (7) 3.2 μg/m3 (13) 19.0
 
May 14, 2019, 10 p.m. N/A 0.8 ppb (1) 11.8 ppb (11) 9.0 ppb (8) N/A N/A 23.0 ppb (18) 0.21 ppb (2) 10.0 μg/m3 (9) 4.4 μg/m3 (18) 18.0
 
May 14, 2019, 9 p.m. N/A 1.2 ppb (1) 13.6 ppb (13) 10.0 ppb (9) N/A 0.0 ppb (0) 20.0 ppb (15) 0.21 ppb (2) 9.0 μg/m3 (8) 5.0 μg/m3 (21) 21.0
 
May 14, 2019, 8 p.m. N/A 1.9 ppb (2) 15.8 ppb (15) 11.0 ppb (10) N/A 0.0 ppb (0) 20.0 ppb (15) 0.21 ppb (2) 11.0 μg/m3 (10) 4.8 μg/m3 (20) 20.0
 
May 14, 2019, 7 p.m. N/A 3.9 ppb (4) 21.9 ppb (20) 15.0 ppb (14) N/A 0.0 ppb (0) 18.0 ppb (14) 0.21 ppb (2) 9.0 μg/m3 (8) 4.2 μg/m3 (18) 20.0
 
May 14, 2019, 6 p.m. N/A 7.2 ppb (7) 21.6 ppb (20) 9.0 ppb (8) N/A 0.0 ppb (0) 24.0 ppb (18) 0.19 ppb (2) 8.0 μg/m3 (7) 3.8 μg/m3 (16) 20.0
 
May 14, 2019, 5 p.m. N/A 1.7 ppb (2) 7.6 ppb (7) 4.0 ppb (4) N/A 0.0 ppb (0) 29.0 ppb (22) 0.16 ppb (2) 6.0 μg/m3 (5) 2.6 μg/m3 (11) 22.0
 
May 14, 2019, 4 p.m. N/A 1.2 ppb (1) 6.0 ppb (6) 3.0 ppb (3) N/A 0.0 ppb (0) 30.0 ppb (23) 0.15 ppb (2) 7.0 μg/m3 (6) 2.4 μg/m3 (10) 23.0
 
May 14, 2019, 3 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 29.0 ppb (22) 0.17 ppb (2) 6.0 μg/m3 (5) 2.9 μg/m3 (12) 22.0
 
May 14, 2019, 2 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 28.0 ppb (22) 0.16 ppb (2) 6.0 μg/m3 (5) 2.6 μg/m3 (11) 22.0
 
May 14, 2019, 1 p.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 26.0 ppb (20) 0.16 ppb (2) 5.0 μg/m3 (5) 2.2 μg/m3 (9) 20.0
 
May 14, 2019, noon N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 25.0 ppb (19) 0.16 ppb (2) 4.0 μg/m3 (4) 2.4 μg/m3 (10) 19.0
 
May 14, 2019, 11 a.m. N/A 1.4 ppb (1) 8.4 ppb (8) 6.0 ppb (6) N/A 0.0 ppb (0) 24.0 ppb (18) 0.17 ppb (2) 4.0 μg/m3 (4) 1.6 μg/m3 (7) 18.0
 
May 14, 2019, 10 a.m. N/A 1.3 ppb (1) 9.8 ppb (9) 7.0 ppb (6) N/A 0.0 ppb (0) 21.0 ppb (16) 0.17 ppb (2) 3.0 μg/m3 (3) 1.4 μg/m3 (6) 16.0
 
May 14, 2019, 9 a.m. N/A N/A N/A 8.0 ppb (7) N/A 0.0 ppb (0) 20.0 ppb (15) 0.16 ppb (2) 3.0 μg/m3 (3) 1.7 μg/m3 (7) 15.0
 
May 14, 2019, 8 a.m. N/A N/A N/A 7.0 ppb (6) N/A 0.0 ppb (0) 22.0 ppb (17) 0.14 ppb (2) 3.0 μg/m3 (3) 1.5 μg/m3 (6) 17.0
 
May 14, 2019, 7 a.m. N/A 0.4 ppb (0) 6.4 ppb (6) 6.0 ppb (6) N/A 0.0 ppb (0) 24.0 ppb (18) N/A 3.0 μg/m3 (3) 1.6 μg/m3 (7) 18.0
 
May 14, 2019, 6 a.m. N/A 0.4 ppb (0) 5.2 ppb (5) 4.0 ppb (4) N/A 0.0 ppb (0) 25.0 ppb (19) 0.14 ppb (2) 3.0 μg/m3 (3) 1.9 μg/m3 (8) 19.0
 
May 14, 2019, 5 a.m. N/A 0.5 ppb (0) 5.7 ppb (5) 5.0 ppb (5) N/A 0.0 ppb (0) N/A 0.14 ppb (2) 4.0 μg/m3 (4) 2.1 μg/m3 (9) 9.0
 
May 14, 2019, 4 a.m. N/A 0.4 ppb (0) 6.6 ppb (6) 6.0 ppb (6) N/A 0.0 ppb (0) 23.0 ppb (18) 0.15 ppb (2) 6.0 μg/m3 (5) 2.8 μg/m3 (12) 18.0
 
May 14, 2019, 3 a.m. N/A 0.5 ppb (0) 7.2 ppb (7) 6.0 ppb (6) N/A 0.0 ppb (0) 23.0 ppb (18) 0.15 ppb (2) 6.0 μg/m3 (5) 3.2 μg/m3 (13) 18.0
 
May 14, 2019, 2 a.m. N/A 0.5 ppb (0) 9.5 ppb (9) 9.0 ppb (8) N/A 0.0 ppb (0) 20.0 ppb (15) 0.17 ppb (2) 6.0 μg/m3 (5) 3.4 μg/m3 (14) 15.0
 
May 14, 2019, 1 a.m. N/A 0.4 ppb (0) 4.4 ppb (4) N/A N/A 0.0 ppb (0) 28.0 ppb (22) 0.16 ppb (2) 5.0 μg/m3 (5) 2.6 μg/m3 (11) 22.0
 
May 14, 2019, midnight N/A 0.4 ppb (0) 5.6 ppb (5) 5.0 ppb (5) N/A 0.0 ppb (0) 25.0 ppb (19) 0.16 ppb (2) 7.0 μg/m3 (6) 3.6 μg/m3 (15) 19.0
 
May 13, 2019, 11 p.m. N/A 0.9 ppb (1) 10.1 ppb (9) 8.0 ppb (7) N/A 0.0 ppb (0) 23.0 ppb (18) 0.18 ppb (2) 9.0 μg/m3 (8) 3.9 μg/m3 (16) 18.0
 
May 13, 2019, 10 p.m. N/A 0.4 ppb (0) 3.3 ppb (3) 3.0 ppb (3) N/A N/A 30.0 ppb (23) 0.15 ppb (2) 7.0 μg/m3 (6) 3.6 μg/m3 (15) 23.0
 
May 13, 2019, 9 p.m. N/A 0.4 ppb (0) 2.1 ppb (2) 1.0 ppb (1) N/A 0.0 ppb (0) 32.0 ppb (25) 0.15 ppb (2) 9.0 μg/m3 (8) 3.2 μg/m3 (13) 25.0
 
May 13, 2019, 8 p.m. N/A 0.6 ppb (1) 4.5 ppb (4) 3.0 ppb (3) N/A 0.0 ppb (0) 32.0 ppb (25) 0.14 ppb (2) 10.0 μg/m3 (9) 4.0 μg/m3 (17) 25.0
 
May 13, 2019, 7 p.m. N/A 0.0 ppb (0) 5.6 ppb (5) 5.0 ppb (5) N/A 0.0 ppb (0) 32.0 ppb (25) 0.14 ppb (2) 12.0 μg/m3 (11) 4.8 μg/m3 (20) 25.0
 
May 13, 2019, 6 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 37.0 ppb (28) 0.13 ppb (1) 12.0 μg/m3 (11) 4.3 μg/m3 (18) 28.0
 
May 13, 2019, 5 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 41.0 ppb (32) 0.14 ppb (2) 12.0 μg/m3 (11) 3.8 μg/m3 (16) 32.0
 
May 13, 2019, 4 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 41.0 ppb (32) 0.14 ppb (2) 10.0 μg/m3 (9) 3.8 μg/m3 (16) 32.0