AQSQID: 090090027

Site Name: New Haven - Criscuolo Park

Location: New Haven, CT

Reporting: True, Located: True

Current AQI: 96.0

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
March 20, 2019, 8 a.m. N/A N/A N/A 36.0 ppb (33) N/A 1.0 ppb (1) 1.0 ppb (1) 0.59 ppb (7) 25.0 μg/m3 (23) 16.3 μg/m3 (59) 59.0
 
March 20, 2019, 7 a.m. N/A 57.7 ppb (54) 96.8 ppb (96) 36.0 ppb (33) N/A 1.0 ppb (1) 1.0 ppb (1) N/A 25.0 μg/m3 (23) 17.6 μg/m3 (62) 96.0
 
March 20, 2019, 6 a.m. N/A 43.0 ppb (40) 81.1 ppb (79) 36.0 ppb (33) N/A 1.0 ppb (1) 1.0 ppb (1) 0.6 ppb (7) 22.0 μg/m3 (20) 14.7 μg/m3 (56) 79.0
 
March 20, 2019, 5 a.m. N/A 52.4 ppb (49) 93.2 ppb (92) 37.0 ppb (34) N/A 1.0 ppb (1) N/A 0.67 ppb (7) 26.0 μg/m3 (24) 13.7 μg/m3 (54) 92.0
 
March 20, 2019, 4 a.m. N/A 41.9 ppb (39) 84.8 ppb (83) 39.0 ppb (36) N/A 0.0 ppb (0) 1.0 ppb (1) 0.69 ppb (8) 23.0 μg/m3 (21) 12.5 μg/m3 (51) 83.0
 
March 20, 2019, 3 a.m. N/A 26.1 ppb (24) 68.9 ppb (66) 40.0 ppb (37) N/A 0.0 ppb (0) 1.0 ppb (1) 0.55 ppb (6) 21.0 μg/m3 (19) 12.6 μg/m3 (51) 66.0
 
March 20, 2019, 2 a.m. N/A 27.5 ppb (25) 70.9 ppb (68) 40.0 ppb (37) N/A 0.0 ppb (0) 1.0 ppb (1) 0.65 ppb (7) 21.0 μg/m3 (19) 11.2 μg/m3 (47) 68.0
 
March 20, 2019, 1 a.m. N/A 24.6 ppb (23) 69.6 ppb (67) N/A N/A 0.0 ppb (0) 1.0 ppb (1) 0.7 ppb (8) 20.0 μg/m3 (18) 11.1 μg/m3 (46) 67.0
 
March 20, 2019, midnight N/A 1.8 ppb (2) 28.5 ppb (26) 23.0 ppb (21) N/A 0.0 ppb (0) 20.0 ppb (15) 0.39 ppb (4) 14.0 μg/m3 (13) 7.2 μg/m3 (30) 30.0
 
March 19, 2019, 11 p.m. N/A 0.3 ppb (0) 7.8 ppb (7) 7.0 ppb (6) N/A N/A 41.0 ppb (32) 0.21 ppb (2) 11.0 μg/m3 (10) 5.5 μg/m3 (23) 32.0
 
March 19, 2019, 10 p.m. N/A 0.4 ppb (0) 5.5 ppb (5) 4.0 ppb (4) N/A 0.0 ppb (0) 45.0 ppb (35) 0.19 ppb (2) 12.0 μg/m3 (11) 5.4 μg/m3 (23) 35.0
 
March 19, 2019, 9 p.m. N/A 0.7 ppb (1) 5.3 ppb (5) 3.0 ppb (3) N/A 0.0 ppb (0) 46.0 ppb (35) 0.2 ppb (2) 13.0 μg/m3 (12) 5.6 μg/m3 (23) 35.0
 
March 19, 2019, 8 p.m. N/A 5.8 ppb (5) 17.1 ppb (16) 10.0 ppb (9) N/A 0.0 ppb (0) 38.0 ppb (29) 0.19 ppb (2) 27.0 μg/m3 (25) 7.0 μg/m3 (29) 29.0
 
March 19, 2019, 7 p.m. N/A 4.7 ppb (4) 18.0 ppb (17) 12.0 ppb (11) N/A 0.0 ppb (0) 36.0 ppb (28) 0.21 ppb (2) 12.0 μg/m3 (11) 6.9 μg/m3 (29) 29.0
 
March 19, 2019, 6 p.m. N/A 14.6 ppb (14) 38.3 ppb (35) 24.0 ppb (22) N/A 1.0 ppb (1) N/A 0.22 ppb (2) 15.0 μg/m3 (14) 8.1 μg/m3 (34) 35.0
 
March 19, 2019, 5 p.m. N/A 16.2 ppb (15) 38.4 ppb (36) 23.0 ppb (21) N/A 1.0 ppb (1) N/A 0.21 ppb (2) 14.0 μg/m3 (13) 8.1 μg/m3 (34) 36.0
 
March 19, 2019, 4 p.m. N/A 10.5 ppb (10) 26.4 ppb (24) 14.0 ppb (13) N/A 1.0 ppb (1) N/A 0.19 ppb (2) 14.0 μg/m3 (13) 7.6 μg/m3 (32) 32.0
 
March 19, 2019, 3 p.m. N/A 9.3 ppb (9) 21.6 ppb (20) 11.0 ppb (10) N/A 0.0 ppb (0) N/A 0.21 ppb (2) 15.0 μg/m3 (14) 6.7 μg/m3 (28) 28.0
 
March 19, 2019, 2 p.m. N/A 2.6 ppb (2) 9.5 ppb (9) 5.0 ppb (5) N/A 0.0 ppb (0) N/A 0.16 ppb (2) 15.0 μg/m3 (14) 5.3 μg/m3 (22) 22.0
 
March 19, 2019, 1 p.m. N/A 5.1 ppb (5) 17.5 ppb (16) 10.0 ppb (9) N/A 0.0 ppb (0) 33.0 ppb (25) 0.23 ppb (3) 16.0 μg/m3 (15) 6.4 μg/m3 (27) 27.0
 
March 19, 2019, noon N/A 64.3 ppb (61) 105.7 ppb (101) 39.0 ppb (36) N/A 1.0 ppb (1) 3.0 ppb (2) 0.58 ppb (6) 26.0 μg/m3 (24) 13.1 μg/m3 (52) 101.0
 
March 19, 2019, 11 a.m. N/A 148.9 ppb (109) 192.1 ppb (118) 41.0 ppb (38) N/A 1.0 ppb (1) 0.0 ppb (0) 0.96 ppb (11) 37.0 μg/m3 (34) 22.3 μg/m3 (72) 118.0
 
March 19, 2019, 10 a.m. N/A 127.4 ppb (105) 166.5 ppb (113) 38.0 ppb (35) N/A 1.0 ppb (1) -1.0 ppb (0) 0.76 ppb (8) 31.0 μg/m3 (28) 19.6 μg/m3 (66) 113.0
 
March 19, 2019, 9 a.m. N/A N/A N/A 37.0 ppb (34) N/A 1.0 ppb (1) -1.0 ppb (0) 0.69 ppb (8) 21.0 μg/m3 (19) 11.6 μg/m3 (48) 48.0
 
March 19, 2019, 8 a.m. N/A N/A N/A 39.0 ppb (36) N/A 1.0 ppb (1) -1.0 ppb (0) 0.49 ppb (5) 18.0 μg/m3 (16) 9.0 μg/m3 (38) 38.0
 
March 19, 2019, 7 a.m. N/A 22.0 ppb (20) 64.6 ppb (61) 40.0 ppb (37) N/A 0.0 ppb (0) -1.0 ppb (0) N/A 18.0 μg/m3 (16) 9.9 μg/m3 (41) 61.0
 
March 19, 2019, 6 a.m. N/A 44.4 ppb (41) 86.5 ppb (85) 39.0 ppb (36) N/A 0.0 ppb (0) -1.0 ppb (0) 0.52 ppb (6) 16.0 μg/m3 (15) 9.2 μg/m3 (38) 85.0
 
March 19, 2019, 5 a.m. N/A 48.4 ppb (45) 91.1 ppb (89) 40.0 ppb (37) N/A 0.0 ppb (0) N/A 0.51 ppb (6) 15.0 μg/m3 (14) 8.9 μg/m3 (37) 89.0
 
March 19, 2019, 4 a.m. N/A 21.8 ppb (20) 65.2 ppb (62) 41.0 ppb (38) N/A 0.0 ppb (0) -1.0 ppb (0) 0.45 ppb (5) 14.0 μg/m3 (13) 8.3 μg/m3 (35) 62.0
 
March 19, 2019, 3 a.m. N/A 18.2 ppb (17) 57.8 ppb (54) 41.0 ppb (38) N/A 0.0 ppb (0) 0.0 ppb (0) 0.42 ppb (5) 14.0 μg/m3 (13) 8.5 μg/m3 (35) 54.0
 
March 19, 2019, 2 a.m. N/A 2.5 ppb (2) 29.9 ppb (28) 29.0 ppb (27) N/A 0.0 ppb (0) 16.0 ppb (12) 0.31 ppb (3) 10.0 μg/m3 (9) 5.5 μg/m3 (23) 28.0
 
March 19, 2019, 1 a.m. N/A 0.3 ppb (0) 13.7 ppb (13) N/A N/A 0.0 ppb (0) 31.0 ppb (24) 0.25 ppb (3) 9.0 μg/m3 (8) 4.7 μg/m3 (20) 24.0
 
March 19, 2019, midnight N/A 0.3 ppb (0) 10.2 ppb (9) 8.0 ppb (7) N/A 0.0 ppb (0) 36.0 ppb (28) 0.22 ppb (2) 9.0 μg/m3 (8) 4.1 μg/m3 (17) 28.0
 
March 18, 2019, 11 p.m. N/A 0.3 ppb (0) 5.4 ppb (5) 4.0 ppb (4) N/A N/A 41.0 ppb (32) 0.18 ppb (2) 8.0 μg/m3 (7) 3.5 μg/m3 (15) 32.0
 
March 18, 2019, 10 p.m. N/A 0.3 ppb (0) 3.7 ppb (3) 2.0 ppb (2) N/A 0.0 ppb (0) 44.0 ppb (34) 0.17 ppb (2) 8.0 μg/m3 (7) 3.4 μg/m3 (14) 34.0
 
March 18, 2019, 9 p.m. N/A 0.6 ppb (1) 4.6 ppb (4) 3.0 ppb (3) N/A 0.0 ppb (0) 43.0 ppb (33) 0.18 ppb (2) 9.0 μg/m3 (8) 3.6 μg/m3 (15) 33.0
 
March 18, 2019, 8 p.m. N/A 0.9 ppb (1) 4.9 ppb (5) 3.0 ppb (3) N/A 0.0 ppb (0) 44.0 ppb (34) 0.17 ppb (2) 14.0 μg/m3 (13) 4.0 μg/m3 (17) 34.0
 
March 18, 2019, 7 p.m. N/A 4.4 ppb (4) 13.5 ppb (12) 8.0 ppb (7) N/A 0.0 ppb (0) 38.0 ppb (29) 0.19 ppb (2) 13.0 μg/m3 (12) 4.5 μg/m3 (19) 29.0
 
March 18, 2019, 6 p.m. N/A 6.9 ppb (6) 18.7 ppb (17) 11.0 ppb (10) N/A 0.0 ppb (0) 34.0 ppb (26) 0.19 ppb (2) 11.0 μg/m3 (10) 4.7 μg/m3 (20) 26.0
 
March 18, 2019, 5 p.m. N/A 6.9 ppb (6) 18.1 ppb (17) 10.0 ppb (9) N/A 0.0 ppb (0) 34.0 ppb (26) 0.18 ppb (2) 11.0 μg/m3 (10) 5.1 μg/m3 (21) 26.0
 
March 18, 2019, 4 p.m. N/A 5.0 ppb (5) 13.2 ppb (12) 8.0 ppb (7) N/A 0.0 ppb (0) 35.0 ppb (27) 0.19 ppb (2) 12.0 μg/m3 (11) 4.8 μg/m3 (20) 27.0
 
March 18, 2019, 3 p.m. N/A 1.5 ppb (1) 5.2 ppb (5) 2.0 ppb (2) N/A 0.0 ppb (0) 39.0 ppb (30) 0.18 ppb (2) 11.0 μg/m3 (10) 4.6 μg/m3 (19) 30.0
 
March 18, 2019, 2 p.m. N/A 1.6 ppb (1) 5.7 ppb (5) 3.0 ppb (3) N/A 0.0 ppb (0) N/A 0.17 ppb (2) 11.0 μg/m3 (10) 4.5 μg/m3 (19) 19.0
 
March 18, 2019, 1 p.m. N/A 3.3 ppb (3) 11.6 ppb (11) 6.0 ppb (6) N/A 0.0 ppb (0) 38.0 ppb (29) 0.19 ppb (2) 11.0 μg/m3 (10) 4.2 μg/m3 (18) 29.0
 
March 18, 2019, noon N/A 5.4 ppb (5) 23.3 ppb (22) 15.0 ppb (14) N/A 0.0 ppb (0) 26.0 ppb (20) 0.26 ppb (3) 12.0 μg/m3 (11) 4.5 μg/m3 (19) 22.0
 
March 18, 2019, 11 a.m. N/A 36.5 ppb (34) 74.6 ppb (72) 37.0 ppb (34) N/A 1.0 ppb (1) 4.0 ppb (3) 0.56 ppb (6) 14.0 μg/m3 (13) 5.5 μg/m3 (23) 72.0
 
March 18, 2019, 10 a.m. N/A 26.8 ppb (25) 66.1 ppb (63) 39.0 ppb (36) N/A 0.0 ppb (0) 2.0 ppb (2) 0.44 ppb (5) 12.0 μg/m3 (11) 4.8 μg/m3 (20) 63.0
 
March 18, 2019, 9 a.m. N/A N/A N/A 27.0 ppb (25) N/A 0.0 ppb (0) 12.0 ppb (9) 0.28 ppb (3) 9.0 μg/m3 (8) 4.2 μg/m3 (18) 25.0
 
March 18, 2019, 8 a.m. N/A N/A N/A 32.0 ppb (30) N/A 0.0 ppb (0) 9.0 ppb (7) 0.26 ppb (3) 9.0 μg/m3 (8) 4.2 μg/m3 (18) 30.0
 
March 18, 2019, 7 a.m. N/A 23.3 ppb (22) 65.5 ppb (62) 40.0 ppb (37) N/A 0.0 ppb (0) 4.0 ppb (3) N/A 11.0 μg/m3 (10) 5.0 μg/m3 (21) 62.0
 
March 18, 2019, 6 a.m. N/A 1.0 ppb (1) 24.4 ppb (23) 22.0 ppb (20) N/A 0.0 ppb (0) 17.0 ppb (13) 0.27 ppb (3) 8.0 μg/m3 (7) 3.8 μg/m3 (16) 23.0
 
March 18, 2019, 5 a.m. N/A 0.7 ppb (1) 16.6 ppb (15) 14.0 ppb (13) N/A 0.0 ppb (0) N/A 0.2 ppb (2) 7.0 μg/m3 (6) 3.5 μg/m3 (15) 15.0
 
March 18, 2019, 4 a.m. N/A 0.3 ppb (0) 8.1 ppb (8) 7.0 ppb (6) N/A 0.0 ppb (0) 36.0 ppb (28) 0.17 ppb (2) 6.0 μg/m3 (5) 3.0 μg/m3 (12) 28.0
 
March 18, 2019, 3 a.m. N/A 0.5 ppb (0) 5.3 ppb (5) 4.0 ppb (4) N/A 0.0 ppb (0) 41.0 ppb (32) 0.15 ppb (2) 7.0 μg/m3 (6) 2.9 μg/m3 (12) 32.0
 
March 18, 2019, 2 a.m. N/A 0.6 ppb (1) 5.9 ppb (5) 5.0 ppb (5) N/A 0.0 ppb (0) 40.0 ppb (31) 0.15 ppb (2) 5.0 μg/m3 (5) 3.0 μg/m3 (12) 31.0
 
March 18, 2019, 1 a.m. N/A 0.3 ppb (0) 5.1 ppb (5) N/A N/A 0.0 ppb (0) 42.0 ppb (32) 0.16 ppb (2) 5.0 μg/m3 (5) 3.0 μg/m3 (12) 32.0
 
March 18, 2019, midnight N/A 0.4 ppb (0) 7.7 ppb (7) 7.0 ppb (6) N/A 0.0 ppb (0) 41.0 ppb (32) 0.18 ppb (2) 6.0 μg/m3 (5) 3.4 μg/m3 (14) 32.0
 
March 17, 2019, 11 p.m. N/A 0.3 ppb (0) 6.1 ppb (6) 5.0 ppb (5) N/A N/A 43.0 ppb (33) 0.17 ppb (2) 7.0 μg/m3 (6) 3.2 μg/m3 (13) 33.0
 
March 17, 2019, 10 p.m. N/A 0.5 ppb (0) 4.3 ppb (4) 3.0 ppb (3) N/A 0.0 ppb (0) 46.0 ppb (35) 0.16 ppb (2) 7.0 μg/m3 (6) 2.8 μg/m3 (12) 35.0
 
March 17, 2019, 9 p.m. N/A 0.6 ppb (1) 3.2 ppb (3) 2.0 ppb (2) N/A 0.0 ppb (0) 47.0 ppb (36) 0.16 ppb (2) 5.0 μg/m3 (5) 2.5 μg/m3 (10) 36.0
 
March 17, 2019, 8 p.m. N/A 0.7 ppb (1) 3.2 ppb (3) 1.0 ppb (1) N/A 0.0 ppb (0) 48.0 ppb (37) 0.16 ppb (2) 7.0 μg/m3 (6) 2.5 μg/m3 (10) 37.0
 
March 17, 2019, 7 p.m. N/A 0.7 ppb (1) 2.7 ppb (3) 1.0 ppb (1) N/A 0.0 ppb (0) 48.0 ppb (37) 0.15 ppb (2) 4.0 μg/m3 (4) 2.2 μg/m3 (9) 37.0
 
March 17, 2019, 6 p.m. N/A 0.8 ppb (1) 3.0 ppb (3) 1.0 ppb (1) N/A 0.0 ppb (0) 47.0 ppb (36) 0.15 ppb (2) 6.0 μg/m3 (5) 2.5 μg/m3 (10) 36.0
 
March 17, 2019, 5 p.m. N/A 0.7 ppb (1) 2.7 ppb (3) 1.0 ppb (1) N/A 0.0 ppb (0) 45.0 ppb (35) 0.16 ppb (2) 7.0 μg/m3 (6) 3.3 μg/m3 (14) 35.0
 
March 17, 2019, 4 p.m. N/A 0.9 ppb (1) 2.9 ppb (3) 1.0 ppb (1) N/A 0.0 ppb (0) 44.0 ppb (34) 0.16 ppb (2) 7.0 μg/m3 (6) 3.3 μg/m3 (14) 34.0
 
March 17, 2019, 3 p.m. N/A 0.9 ppb (1) 3.2 ppb (3) 1.0 ppb (1) N/A 0.0 ppb (0) 43.0 ppb (33) 0.16 ppb (2) 4.0 μg/m3 (4) 2.9 μg/m3 (12) 33.0
 
March 17, 2019, 2 p.m. N/A 0.6 ppb (1) 2.2 ppb (2) 1.0 ppb (1) N/A 0.0 ppb (0) 43.0 ppb (33) 0.14 ppb (2) 4.0 μg/m3 (4) 2.3 μg/m3 (10) 33.0
 
March 17, 2019, 1 p.m. N/A 0.9 ppb (1) 3.5 ppb (3) 2.0 ppb (2) N/A 0.0 ppb (0) 42.0 ppb (32) 0.15 ppb (2) 4.0 μg/m3 (4) 2.2 μg/m3 (9) 32.0
 
March 17, 2019, noon N/A 1.4 ppb (1) 6.3 ppb (6) 4.0 ppb (4) N/A 0.0 ppb (0) 38.0 ppb (29) 0.16 ppb (2) 5.0 μg/m3 (5) 2.6 μg/m3 (11) 29.0
 
March 17, 2019, 11 a.m. N/A 0.7 ppb (1) 9.6 ppb (9) 8.0 ppb (7) N/A 0.0 ppb (0) 33.0 ppb (25) 0.18 ppb (2) 4.0 μg/m3 (4) 2.5 μg/m3 (10) 25.0
 
March 17, 2019, 10 a.m. N/A 0.4 ppb (0) 8.7 ppb (8) 8.0 ppb (7) N/A 0.0 ppb (0) 34.0 ppb (26) 0.17 ppb (2) 5.0 μg/m3 (5) 2.5 μg/m3 (10) 26.0
 
March 17, 2019, 9 a.m. N/A N/A N/A 15.0 ppb (14) N/A 0.0 ppb (0) 26.0 ppb (20) 0.22 ppb (2) 5.0 μg/m3 (5) 2.8 μg/m3 (12) 20.0
 
March 17, 2019, 8 a.m. N/A N/A N/A 14.0 ppb (13) N/A 0.0 ppb (0) 28.0 ppb (22) 0.15 ppb (2) 5.0 μg/m3 (5) 2.8 μg/m3 (12) 22.0
 
March 17, 2019, 7 a.m. N/A 0.3 ppb (0) 5.4 ppb (5) 5.0 ppb (5) N/A 0.0 ppb (0) 38.0 ppb (29) N/A 4.0 μg/m3 (4) 1.9 μg/m3 (8) 29.0
 
March 17, 2019, 6 a.m. N/A 0.2 ppb (0) 5.0 ppb (5) 4.0 ppb (4) N/A 0.0 ppb (0) 39.0 ppb (30) 0.16 ppb (2) 5.0 μg/m3 (5) 2.2 μg/m3 (9) 30.0
 
March 17, 2019, 5 a.m. N/A 0.3 ppb (0) 4.7 ppb (4) 4.0 ppb (4) N/A 0.0 ppb (0) N/A 0.16 ppb (2) 4.0 μg/m3 (4) 2.1 μg/m3 (9) 9.0
 
March 17, 2019, 4 a.m. N/A 0.3 ppb (0) 4.6 ppb (4) 3.0 ppb (3) N/A 0.0 ppb (0) 42.0 ppb (32) 0.16 ppb (2) 6.0 μg/m3 (5) 2.6 μg/m3 (11) 32.0
 
March 17, 2019, 3 a.m. N/A 0.4 ppb (0) 4.8 ppb (4) 4.0 ppb (4) N/A 0.0 ppb (0) 43.0 ppb (33) 0.17 ppb (2) 6.0 μg/m3 (5) 3.0 μg/m3 (12) 33.0
 
March 17, 2019, 2 a.m. N/A 0.3 ppb (0) 5.7 ppb (5) 4.0 ppb (4) N/A 0.0 ppb (0) 42.0 ppb (32) 0.18 ppb (2) 6.0 μg/m3 (5) 3.2 μg/m3 (13) 32.0
 
March 17, 2019, 1 a.m. N/A 0.2 ppb (0) 3.9 ppb (4) N/A N/A 0.0 ppb (0) 44.0 ppb (34) 0.16 ppb (2) 5.0 μg/m3 (5) 3.1 μg/m3 (13) 34.0
 
March 17, 2019, midnight N/A 0.3 ppb (0) 3.7 ppb (3) 3.0 ppb (3) N/A 0.0 ppb (0) 45.0 ppb (35) 0.16 ppb (2) 5.0 μg/m3 (5) 2.7 μg/m3 (11) 35.0
 
March 16, 2019, 11 p.m. N/A 0.3 ppb (0) 3.1 ppb (3) 2.0 ppb (2) N/A 0.0 ppb (0) 45.0 ppb (35) 0.15 ppb (2) 5.0 μg/m3 (5) 2.7 μg/m3 (11) 35.0
 
March 16, 2019, 10 p.m. N/A 0.4 ppb (0) 3.4 ppb (3) 2.0 ppb (2) N/A 0.0 ppb (0) 45.0 ppb (35) 0.16 ppb (2) 6.0 μg/m3 (5) 2.3 μg/m3 (10) 35.0
 
March 16, 2019, 9 p.m. N/A 0.6 ppb (1) 3.1 ppb (3) 1.0 ppb (1) N/A 0.0 ppb (0) 46.0 ppb (35) 0.16 ppb (2) 5.0 μg/m3 (5) 2.2 μg/m3 (9) 35.0
 
March 16, 2019, 8 p.m. N/A 0.6 ppb (1) 2.9 ppb (3) 1.0 ppb (1) N/A 0.0 ppb (0) 47.0 ppb (36) 0.15 ppb (2) 6.0 μg/m3 (5) 2.0 μg/m3 (8) 36.0
 
March 16, 2019, 7 p.m. N/A 0.6 ppb (1) 2.9 ppb (3) 1.0 ppb (1) N/A 0.0 ppb (0) 47.0 ppb (36) 0.15 ppb (2) 7.0 μg/m3 (6) 2.1 μg/m3 (9) 36.0
 
March 16, 2019, 6 p.m. N/A 0.7 ppb (1) 2.9 ppb (3) 1.0 ppb (1) N/A 0.0 ppb (0) 46.0 ppb (35) 0.15 ppb (2) 8.0 μg/m3 (7) 2.2 μg/m3 (9) 35.0
 
March 16, 2019, 5 p.m. N/A 0.6 ppb (1) 3.0 ppb (3) 1.0 ppb (1) N/A 0.0 ppb (0) 46.0 ppb (35) 0.17 ppb (2) 6.0 μg/m3 (5) 2.2 μg/m3 (9) 35.0
 
March 16, 2019, 4 p.m. N/A 1.0 ppb (1) 3.8 ppb (4) 1.0 ppb (1) N/A 0.0 ppb (0) 45.0 ppb (35) 0.16 ppb (2) 9.0 μg/m3 (8) 2.0 μg/m3 (8) 35.0
 
March 16, 2019, 3 p.m. N/A 1.1 ppb (1) 4.2 ppb (4) 2.0 ppb (2) N/A 0.0 ppb (0) 43.0 ppb (33) 0.17 ppb (2) 11.0 μg/m3 (10) 1.8 μg/m3 (8) 33.0
 
March 16, 2019, 2 p.m. N/A 1.4 ppb (1) 4.9 ppb (5) 2.0 ppb (2) N/A 0.0 ppb (0) 40.0 ppb (31) 0.17 ppb (2) 8.0 μg/m3 (7) 1.5 μg/m3 (6) 31.0
 
March 16, 2019, 1 p.m. N/A 1.6 ppb (1) 5.8 ppb (5) 3.0 ppb (3) N/A 0.0 ppb (0) 37.0 ppb (28) 0.19 ppb (2) 7.0 μg/m3 (6) 1.3 μg/m3 (5) 28.0
 
March 16, 2019, noon N/A 2.0 ppb (2) 8.3 ppb (8) 5.0 ppb (5) N/A 0.0 ppb (0) 33.0 ppb (25) 0.21 ppb (2) 5.0 μg/m3 (5) 1.4 μg/m3 (6) 25.0
 
March 16, 2019, 11 a.m. N/A 0.9 ppb (1) 8.6 ppb (8) 6.0 ppb (6) N/A 0.0 ppb (0) 31.0 ppb (24) 0.2 ppb (2) 4.0 μg/m3 (4) 1.4 μg/m3 (6) 24.0
 
March 16, 2019, 10 a.m. N/A N/A N/A 8.0 ppb (7) N/A 0.0 ppb (0) 27.0 ppb (21) 0.2 ppb (2) 9.0 μg/m3 (8) 5.3 μg/m3 (22) 22.0
 
March 16, 2019, 9 a.m. N/A N/A N/A 7.0 ppb (6) N/A 0.0 ppb (0) 31.0 ppb (24) 0.19 ppb (2) 11.0 μg/m3 (10) 6.8 μg/m3 (28) 28.0
 
March 16, 2019, 8 a.m. N/A N/A N/A 8.0 ppb (7) N/A 0.0 ppb (0) 29.0 ppb (22) 0.19 ppb (2) 11.0 μg/m3 (10) 6.4 μg/m3 (27) 27.0
 
March 16, 2019, 7 a.m. N/A 0.2 ppb (0) 7.2 ppb (7) 5.0 ppb (5) N/A 0.0 ppb (0) 33.0 ppb (25) N/A 12.0 μg/m3 (11) 6.4 μg/m3 (27) 27.0
 
March 16, 2019, 6 a.m. N/A 2.4 ppb (2) 20.1 ppb (19) 16.0 ppb (15) N/A 0.0 ppb (0) 16.0 ppb (12) 0.22 ppb (2) 10.0 μg/m3 (9) 6.2 μg/m3 (26) 26.0
 
March 16, 2019, 5 a.m. N/A 0.9 ppb (1) 10.2 ppb (9) 7.0 ppb (6) N/A 0.0 ppb (0) N/A 0.2 ppb (2) 12.0 μg/m3 (11) 6.6 μg/m3 (28) 28.0
 
March 16, 2019, 4 a.m. N/A 2.5 ppb (2) 34.3 ppb (32) 25.0 ppb (23) N/A 0.0 ppb (0) 28.0 ppb (22) 0.33 ppb (4) 30.0 μg/m3 (27) 19.2 μg/m3 (65) 65.0
 
March 16, 2019, 3 a.m. N/A 4.9 ppb (5) 34.7 ppb (32) 25.0 ppb (23) N/A 0.0 ppb (0) 15.0 ppb (12) 0.23 ppb (3) 30.0 μg/m3 (27) 17.6 μg/m3 (62) 62.0
 
March 16, 2019, 2 a.m. N/A 1.5 ppb (1) 23.4 ppb (22) 20.0 ppb (19) N/A 0.0 ppb (0) 24.0 ppb (18) 0.23 ppb (3) 33.0 μg/m3 (30) 17.1 μg/m3 (61) 61.0
 
March 16, 2019, 1 a.m. N/A 0.6 ppb (1) 14.0 ppb (13) N/A N/A 0.0 ppb (0) 35.0 ppb (27) 0.2 ppb (2) 28.0 μg/m3 (25) 13.9 μg/m3 (54) 54.0
 
March 16, 2019, midnight N/A 0.9 ppb (1) 14.5 ppb (13) 12.0 ppb (11) N/A 0.0 ppb (0) 36.0 ppb (28) 0.19 ppb (2) 29.0 μg/m3 (26) 13.7 μg/m3 (54) 54.0
 
March 15, 2019, 11 p.m. N/A 0.5 ppb (0) 11.5 ppb (11) 10.0 ppb (9) N/A N/A 40.0 ppb (31) 0.22 ppb (2) 30.0 μg/m3 (27) 14.2 μg/m3 (55) 55.0
 
March 15, 2019, 10 p.m. N/A 1.0 ppb (1) 14.9 ppb (14) 11.0 ppb (10) N/A 0.0 ppb (0) 39.0 ppb (30) 0.21 ppb (2) 31.0 μg/m3 (28) 15.2 μg/m3 (57) 57.0
 
March 15, 2019, 9 p.m. N/A 1.6 ppb (1) 13.5 ppb (12) 10.0 ppb (9) N/A 0.0 ppb (0) N/A 0.21 ppb (2) 29.0 μg/m3 (26) 14.2 μg/m3 (55) 55.0
 
March 15, 2019, 8 p.m. N/A 1.4 ppb (1) 10.7 ppb (10) 7.0 ppb (6) N/A N/A 54.0 ppb (42) 0.21 ppb (2) 30.0 μg/m3 (27) 13.7 μg/m3 (54) 54.0
 
March 15, 2019, 7 p.m. N/A 6.6 ppb (6) 26.2 ppb (24) 17.0 ppb (16) N/A N/A 39.0 ppb (30) 0.21 ppb (2) 32.0 μg/m3 (29) 15.6 μg/m3 (58) 58.0
 
March 15, 2019, 6 p.m. N/A 3.7 ppb (3) 17.2 ppb (16) 12.0 ppb (11) N/A N/A 40.0 ppb (31) 0.19 ppb (2) 32.0 μg/m3 (29) 14.9 μg/m3 (56) 56.0
 
March 15, 2019, 5 p.m. N/A 10.1 ppb (9) 37.4 ppb (35) 25.0 ppb (23) N/A N/A 30.0 ppb (23) 0.19 ppb (2) 32.0 μg/m3 (29) 15.7 μg/m3 (58) 58.0
 
March 15, 2019, 4 p.m. N/A 5.8 ppb (5) 24.5 ppb (23) 16.0 ppb (15) N/A N/A 38.0 ppb (29) N/A 32.0 μg/m3 (29) 15.5 μg/m3 (57) 57.0
 
March 15, 2019, 3 p.m. N/A 7.5 ppb (7) 28.0 ppb (26) 19.0 ppb (18) N/A N/A 35.0 ppb (27) 0.19 ppb (2) 31.0 μg/m3 (28) 14.9 μg/m3 (56) 56.0
 
March 15, 2019, 2 p.m. N/A 5.1 ppb (5) 24.1 ppb (22) 18.0 ppb (17) N/A N/A 35.0 ppb (27) 0.19 ppb (2) 29.0 μg/m3 (26) 13.8 μg/m3 (54) 54.0
 
March 15, 2019, 1 p.m. N/A 3.1 ppb (3) 23.5 ppb (22) 19.0 ppb (18) N/A 0.0 ppb (0) 34.0 ppb (26) 0.23 ppb (3) 30.0 μg/m3 (27) 14.2 μg/m3 (55) 55.0
 
March 15, 2019, noon N/A 2.7 ppb (3) 25.0 ppb (23) 22.0 ppb (20) N/A 0.0 ppb (0) 31.0 ppb (24) 0.21 ppb (2) 31.0 μg/m3 (28) 14.7 μg/m3 (56) 56.0
 
March 15, 2019, 11 a.m. N/A 2.5 ppb (2) 25.4 ppb (24) 23.0 ppb (21) N/A 0.0 ppb (0) 32.0 ppb (25) 0.22 ppb (2) 27.0 μg/m3 (25) 12.9 μg/m3 (52) 52.0
 
March 15, 2019, 10 a.m. N/A 1.0 ppb (1) 16.1 ppb (15) 14.0 ppb (13) N/A 0.0 ppb (0) 41.0 ppb (32) 0.18 ppb (2) 24.0 μg/m3 (22) 11.4 μg/m3 (48) 48.0
 
March 15, 2019, 9 a.m. N/A N/A N/A 18.0 ppb (17) N/A 0.0 ppb (0) 37.0 ppb (28) 0.17 ppb (2) 22.0 μg/m3 (20) 10.6 μg/m3 (44) 44.0
 
March 15, 2019, 8 a.m. N/A N/A N/A 14.0 ppb (13) N/A 0.0 ppb (0) 41.0 ppb (32) 0.16 ppb (2) 22.0 μg/m3 (20) 10.4 μg/m3 (43) 43.0
 
March 15, 2019, 7 a.m. N/A 0.7 ppb (1) 15.0 ppb (14) 14.0 ppb (13) N/A 0.0 ppb (0) 41.0 ppb (32) N/A 19.0 μg/m3 (17) 9.4 μg/m3 (39) 39.0
 
March 15, 2019, 6 a.m. N/A 0.4 ppb (0) 7.5 ppb (7) 5.0 ppb (5) N/A 0.0 ppb (0) 47.0 ppb (36) 0.16 ppb (2) 17.0 μg/m3 (15) 8.3 μg/m3 (35) 36.0
 
March 15, 2019, 5 a.m. N/A 0.3 ppb (0) 7.1 ppb (7) 5.0 ppb (5) N/A 0.0 ppb (0) N/A 0.17 ppb (2) 16.0 μg/m3 (15) 7.3 μg/m3 (30) 30.0
 
March 15, 2019, 4 a.m. N/A 0.3 ppb (0) 5.9 ppb (5) 4.0 ppb (4) N/A 0.0 ppb (0) 50.0 ppb (38) 0.17 ppb (2) 13.0 μg/m3 (12) 6.6 μg/m3 (28) 38.0
 
March 15, 2019, 3 a.m. N/A 0.2 ppb (0) 6.8 ppb (6) 5.0 ppb (5) N/A 0.0 ppb (0) 49.0 ppb (38) 0.17 ppb (2) 13.0 μg/m3 (12) 6.6 μg/m3 (28) 38.0
 
March 15, 2019, 2 a.m. N/A 0.2 ppb (0) 6.2 ppb (6) 5.0 ppb (5) N/A 0.0 ppb (0) 50.0 ppb (38) 0.18 ppb (2) 13.0 μg/m3 (12) 6.6 μg/m3 (28) 38.0
 
March 15, 2019, 1 a.m. N/A 0.2 ppb (0) 5.3 ppb (5) N/A N/A 0.0 ppb (0) 50.0 ppb (38) 0.18 ppb (2) 14.0 μg/m3 (13) 6.4 μg/m3 (27) 38.0
 
March 15, 2019, midnight N/A 0.2 ppb (0) 5.2 ppb (5) 3.0 ppb (3) N/A 0.0 ppb (0) 49.0 ppb (38) 0.17 ppb (2) 12.0 μg/m3 (11) 6.1 μg/m3 (25) 38.0
 
March 14, 2019, 11 p.m. N/A 0.2 ppb (0) 4.6 ppb (4) 3.0 ppb (3) N/A N/A 51.0 ppb (39) 0.17 ppb (2) 12.0 μg/m3 (11) 6.0 μg/m3 (25) 39.0
 
March 14, 2019, 10 p.m. N/A 0.3 ppb (0) 5.0 ppb (5) 3.0 ppb (3) N/A 0.0 ppb (0) 53.0 ppb (41) 0.17 ppb (2) 12.0 μg/m3 (11) 5.6 μg/m3 (23) 41.0
 
March 14, 2019, 9 p.m. N/A 0.4 ppb (0) 4.2 ppb (4) 2.0 ppb (2) N/A 0.0 ppb (0) 55.0 ppb (42) 0.17 ppb (2) 11.0 μg/m3 (10) 5.3 μg/m3 (22) 42.0
 
March 14, 2019, 8 p.m. N/A 1.3 ppb (1) 4.3 ppb (4) 2.0 ppb (2) N/A 0.0 ppb (0) 57.0 ppb (44) 0.15 ppb (2) 11.0 μg/m3 (10) 5.1 μg/m3 (21) 44.0
 
March 14, 2019, 7 p.m. N/A 0.5 ppb (0) 3.5 ppb (3) 1.0 ppb (1) N/A 0.0 ppb (0) 58.0 ppb (45) 0.16 ppb (2) 11.0 μg/m3 (10) 5.3 μg/m3 (22) 45.0
 
March 14, 2019, 6 p.m. N/A 0.5 ppb (0) 3.7 ppb (3) 1.0 ppb (1) N/A 0.0 ppb (0) 58.0 ppb (45) 0.16 ppb (2) 12.0 μg/m3 (11) 5.7 μg/m3 (24) 45.0
 
March 14, 2019, 5 p.m. N/A 0.7 ppb (1) 4.4 ppb (4) 1.0 ppb (1) N/A 0.0 ppb (0) 58.0 ppb (45) 0.16 ppb (2) 12.0 μg/m3 (11) 5.9 μg/m3 (25) 45.0
 
March 14, 2019, 4 p.m. N/A 2.8 ppb (3) 11.3 ppb (10) 5.0 ppb (5) N/A 0.0 ppb (0) 51.0 ppb (39) 0.19 ppb (2) 16.0 μg/m3 (15) 7.4 μg/m3 (31) 39.0
 
March 14, 2019, 3 p.m. N/A 3.2 ppb (3) 12.8 ppb (12) 7.0 ppb (6) N/A 0.0 ppb (0) 47.0 ppb (36) 0.21 ppb (2) 15.0 μg/m3 (14) 7.6 μg/m3 (32) 36.0
 
March 14, 2019, 2 p.m. N/A 1.8 ppb (2) 10.7 ppb (10) 7.0 ppb (6) N/A 0.0 ppb (0) 46.0 ppb (35) 0.19 ppb (2) 14.0 μg/m3 (13) 7.4 μg/m3 (31) 35.0
 
March 14, 2019, 1 p.m. N/A 1.0 ppb (1) 7.2 ppb (7) 4.0 ppb (4) N/A 0.0 ppb (0) 47.0 ppb (36) 0.18 ppb (2) 14.0 μg/m3 (13) 7.3 μg/m3 (30) 36.0
 
March 14, 2019, noon N/A 1.4 ppb (1) 13.9 ppb (13) 10.0 ppb (9) N/A 0.0 ppb (0) 38.0 ppb (29) 0.21 ppb (2) 14.0 μg/m3 (13) 8.1 μg/m3 (34) 34.0
 
March 14, 2019, 11 a.m. N/A 2.1 ppb (2) 20.7 ppb (19) 17.0 ppb (16) N/A 0.0 ppb (0) 30.0 ppb (23) 0.25 ppb (3) 15.0 μg/m3 (14) 8.1 μg/m3 (34) 34.0
 
March 14, 2019, 10 a.m. N/A 1.4 ppb (1) 19.4 ppb (18) 17.0 ppb (16) N/A 0.0 ppb (0) 30.0 ppb (23) 0.23 ppb (3) 13.0 μg/m3 (12) 7.5 μg/m3 (31) 31.0
 
March 14, 2019, 9 a.m. N/A N/A N/A 18.0 ppb (17) N/A 0.0 ppb (0) 30.0 ppb (23) 0.21 ppb (2) 12.0 μg/m3 (11) 7.5 μg/m3 (31) 31.0
 
March 14, 2019, 8 a.m. N/A N/A N/A 12.0 ppb (11) N/A 0.0 ppb (0) 37.0 ppb (28) 0.19 ppb (2) 12.0 μg/m3 (11) 7.5 μg/m3 (31) 31.0
 
March 14, 2019, 7 a.m. N/A 0.5 ppb (0) 9.9 ppb (9) 7.0 ppb (6) N/A 0.0 ppb (0) 42.0 ppb (32) N/A 13.0 μg/m3 (12) 7.9 μg/m3 (33) 33.0
 
March 14, 2019, 6 a.m. N/A 0.9 ppb (1) 11.1 ppb (10) 8.0 ppb (7) N/A 0.0 ppb (0) 42.0 ppb (32) 0.19 ppb (2) 13.0 μg/m3 (12) 8.3 μg/m3 (35) 35.0
 
March 14, 2019, 5 a.m. N/A 0.4 ppb (0) 14.3 ppb (13) 12.0 ppb (11) N/A 0.0 ppb (0) N/A 0.19 ppb (2) 14.0 μg/m3 (13) 7.9 μg/m3 (33) 33.0
 
March 14, 2019, 4 a.m. N/A 0.7 ppb (1) 17.8 ppb (16) 14.0 ppb (13) N/A 0.0 ppb (0) 38.0 ppb (29) 0.18 ppb (2) 12.0 μg/m3 (11) 8.3 μg/m3 (35) 35.0
 
March 14, 2019, 3 a.m. N/A 1.1 ppb (1) 20.7 ppb (19) 17.0 ppb (16) N/A 0.0 ppb (0) 36.0 ppb (28) 0.18 ppb (2) 13.0 μg/m3 (12) 8.3 μg/m3 (35) 35.0
 
March 14, 2019, 2 a.m. N/A 2.2 ppb (2) 26.1 ppb (24) 21.0 ppb (19) N/A 0.0 ppb (0) 29.0 ppb (22) 0.19 ppb (2) 15.0 μg/m3 (14) 9.3 μg/m3 (39) 39.0
 
March 14, 2019, 1 a.m. N/A 1.1 ppb (1) 19.9 ppb (18) N/A N/A 0.0 ppb (0) 34.0 ppb (26) 0.22 ppb (2) 15.0 μg/m3 (14) 9.5 μg/m3 (40) 40.0
 
March 14, 2019, midnight N/A 0.7 ppb (1) 16.9 ppb (16) 13.0 ppb (12) N/A 0.0 ppb (0) 36.0 ppb (28) 0.22 ppb (2) 17.0 μg/m3 (15) 10.7 μg/m3 (45) 45.0
 
March 13, 2019, 11 p.m. N/A 0.4 ppb (0) 13.2 ppb (12) 11.0 ppb (10) N/A N/A 39.0 ppb (30) 0.23 ppb (3) 15.0 μg/m3 (14) 9.3 μg/m3 (39) 39.0
 
March 13, 2019, 10 p.m. N/A 0.5 ppb (0) 8.3 ppb (8) 6.0 ppb (6) N/A 0.0 ppb (0) 43.0 ppb (33) 0.2 ppb (2) 12.0 μg/m3 (11) 7.2 μg/m3 (30) 33.0
 
March 13, 2019, 9 p.m. N/A 0.5 ppb (0) 7.9 ppb (7) 6.0 ppb (6) N/A 0.0 ppb (0) 45.0 ppb (35) 0.18 ppb (2) 12.0 μg/m3 (11) 7.0 μg/m3 (29) 35.0
 
March 13, 2019, 8 p.m. N/A 1.4 ppb (1) 10.1 ppb (9) 6.0 ppb (6) N/A 0.0 ppb (0) 46.0 ppb (35) 0.18 ppb (2) 11.0 μg/m3 (10) 6.6 μg/m3 (28) 35.0
 
March 13, 2019, 7 p.m. N/A 7.3 ppb (7) 22.9 ppb (21) 15.0 ppb (14) N/A 0.0 ppb (0) 38.0 ppb (29) 0.2 ppb (2) 12.0 μg/m3 (11) 6.2 μg/m3 (26) 29.0
 
March 13, 2019, 6 p.m. N/A 7.7 ppb (7) 22.8 ppb (21) 14.0 ppb (13) N/A 0.0 ppb (0) 37.0 ppb (28) 0.19 ppb (2) 11.0 μg/m3 (10) 5.7 μg/m3 (24) 28.0
 
March 13, 2019, 5 p.m. N/A 7.5 ppb (7) 20.7 ppb (19) 12.0 ppb (11) N/A 0.0 ppb (0) 38.0 ppb (29) 0.2 ppb (2) 11.0 μg/m3 (10) 6.0 μg/m3 (25) 29.0
 
March 13, 2019, 4 p.m. N/A 12.1 ppb (11) 30.6 ppb (28) 17.0 ppb (16) N/A 0.0 ppb (0) 33.0 ppb (25) 0.21 ppb (2) 14.0 μg/m3 (13) 7.6 μg/m3 (32) 32.0
 
March 13, 2019, 3 p.m. N/A 10.0 ppb (9) 26.8 ppb (25) 15.0 ppb (14) N/A 0.0 ppb (0) 35.0 ppb (27) 0.22 ppb (2) 16.0 μg/m3 (15) 7.9 μg/m3 (33) 33.0
 
March 13, 2019, 2 p.m. N/A 5.8 ppb (5) 18.8 ppb (17) 11.0 ppb (10) N/A 0.0 ppb (0) 37.0 ppb (28) 0.22 ppb (2) 15.0 μg/m3 (14) 7.8 μg/m3 (32) 32.0
 
March 13, 2019, 1 p.m. N/A 7.6 ppb (7) 24.2 ppb (22) 15.0 ppb (14) N/A 0.0 ppb (0) 31.0 ppb (24) 0.28 ppb (3) 15.0 μg/m3 (14) 8.0 μg/m3 (33) 33.0
 
March 13, 2019, noon N/A 5.5 ppb (5) 24.4 ppb (23) 17.0 ppb (16) N/A 0.0 ppb (0) 30.0 ppb (23) 0.26 ppb (3) 16.0 μg/m3 (15) 8.1 μg/m3 (34) 34.0
 
March 13, 2019, 11 a.m. N/A 5.5 ppb (5) 36.9 ppb (34) 31.0 ppb (29) N/A 0.0 ppb (0) 14.0 ppb (11) 0.37 ppb (4) 16.0 μg/m3 (15) 8.0 μg/m3 (33) 34.0
 
March 13, 2019, 10 a.m. N/A 1.9 ppb (2) 27.9 ppb (26) 25.0 ppb (23) N/A 0.0 ppb (0) 20.0 ppb (15) 0.32 ppb (4) 14.0 μg/m3 (13) 7.0 μg/m3 (29) 29.0
 
March 13, 2019, 9 a.m. N/A N/A N/A 25.0 ppb (23) N/A 0.0 ppb (0) 18.0 ppb (14) 0.24 ppb (3) 13.0 μg/m3 (12) 7.0 μg/m3 (29) 29.0