AQSQID: 340010006

Site Name: Brigantine

Location: Atlantic Co, NJ

Reporting: True, Located: True

Current AQI: 32.0

Atlantic Co NJ, US: 39.46487, -74.448738

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
May 24, 2019, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 42.0 ppb (32) N/A N/A -0.2 μg/m3 (0) 32.0
 
May 24, 2019, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) 37.0 ppb (28) N/A N/A 5.0 μg/m3 (21) 28.0
 
May 23, 2019, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 36.0 ppb (28) N/A N/A 4.7 μg/m3 (20) 28.0
 
May 23, 2019, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 37.0 ppb (28) N/A N/A 4.9 μg/m3 (20) 28.0
 
May 23, 2019, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 37.0 ppb (28) N/A N/A 2.7 μg/m3 (11) 28.0
 
May 23, 2019, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 38.0 ppb (29) N/A N/A N/A 29.0
 
May 23, 2019, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 37.0 ppb (28) N/A N/A 0.2 μg/m3 (1) 28.0
 
May 23, 2019, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 36.0 ppb (28) N/A N/A -3.1 μg/m3 (0) 28.0
 
May 23, 2019, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 35.0 ppb (27) N/A N/A -1.0 μg/m3 (0) 27.0
 
May 23, 2019, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 36.0 ppb (28) N/A N/A -2.0 μg/m3 (0) 28.0
 
May 23, 2019, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 36.0 ppb (28) N/A N/A -2.2 μg/m3 (0) 28.0
 
May 23, 2019, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 35.0 ppb (27) N/A N/A 0.5 μg/m3 (2) 27.0
 
May 23, 2019, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 34.0 ppb (26) N/A N/A N/A 26.0
 
May 23, 2019, noon N/A N/A N/A N/A N/A 0.0 ppb (0) 35.0 ppb (27) N/A N/A N/A 27.0
 
May 23, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A N/A -1.3 μg/m3 (0) 27.0
 
May 23, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A N/A -2.7 μg/m3 (0) 25.0
 
May 23, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 1.0 μg/m3 (4) 4.0
 
May 23, 2019, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A 3.4 μg/m3 (14) 14.0
 
May 23, 2019, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A 3.0 μg/m3 (12) 12.0
 
May 23, 2019, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 31.0 ppb (24) N/A N/A 1.8 μg/m3 (8) 24.0
 
May 23, 2019, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 30.0 ppb (23) N/A N/A N/A 23.0
 
May 23, 2019, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 29.0 ppb (22) N/A N/A N/A 22.0
 
May 23, 2019, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 30.0 ppb (23) N/A N/A 4.8 μg/m3 (20) 23.0
 
May 23, 2019, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 33.0 ppb (25) N/A N/A 5.2 μg/m3 (22) 25.0
 
May 23, 2019, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 36.0 ppb (28) N/A N/A 6.3 μg/m3 (26) 28.0
 
May 23, 2019, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) 35.0 ppb (27) N/A N/A 5.9 μg/m3 (25) 27.0
 
May 22, 2019, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 37.0 ppb (28) N/A N/A 3.2 μg/m3 (13) 28.0
 
May 22, 2019, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 37.0 ppb (28) N/A N/A 0.0 μg/m3 (0) 28.0
 
May 22, 2019, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 37.0 ppb (28) N/A N/A N/A 28.0
 
May 22, 2019, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 39.0 ppb (30) N/A N/A N/A 30.0
 
May 22, 2019, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 40.0 ppb (31) N/A N/A 4.2 μg/m3 (18) 31.0
 
May 22, 2019, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 41.0 ppb (32) N/A N/A 4.0 μg/m3 (17) 32.0
 
May 22, 2019, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 40.0 ppb (31) N/A N/A 3.4 μg/m3 (14) 31.0
 
May 22, 2019, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 40.0 ppb (31) N/A N/A 1.2 μg/m3 (5) 31.0
 
May 22, 2019, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 38.0 ppb (29) N/A N/A -0.1 μg/m3 (0) 29.0
 
May 22, 2019, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 37.0 ppb (28) N/A N/A 0.2 μg/m3 (1) 28.0
 
May 22, 2019, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 35.0 ppb (27) N/A N/A N/A 27.0
 
May 22, 2019, noon N/A N/A N/A N/A N/A 0.0 ppb (0) 30.0 ppb (23) N/A N/A N/A 23.0
 
May 22, 2019, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 25.0 ppb (19) N/A N/A 2.0 μg/m3 (8) 19.0
 
May 22, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A N/A 6.3 μg/m3 (26) 26.0
 
May 22, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
May 22, 2019, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A 4.2 μg/m3 (18) 18.0
 
May 22, 2019, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A 4.2 μg/m3 (18) 18.0
 
May 22, 2019, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 31.0 ppb (24) N/A N/A 3.0 μg/m3 (12) 24.0
 
May 22, 2019, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 33.0 ppb (25) N/A N/A N/A 25.0
 
May 22, 2019, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 36.0 ppb (28) N/A N/A N/A 28.0
 
May 22, 2019, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 33.0 ppb (25) N/A N/A 7.9 μg/m3 (33) 33.0
 
May 22, 2019, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 29.0 ppb (22) N/A N/A 9.4 μg/m3 (39) 39.0
 
May 22, 2019, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 31.0 ppb (24) N/A N/A 9.4 μg/m3 (39) 39.0
 
May 22, 2019, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) 33.0 ppb (25) N/A N/A 6.3 μg/m3 (26) 26.0
 
May 21, 2019, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 39.0 ppb (30) N/A N/A 4.2 μg/m3 (18) 30.0
 
May 21, 2019, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 43.0 ppb (33) N/A N/A 4.3 μg/m3 (18) 33.0
 
May 21, 2019, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 45.0 ppb (35) N/A N/A 1.4 μg/m3 (6) 35.0
 
May 21, 2019, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 45.0 ppb (35) N/A N/A N/A 35.0
 
May 21, 2019, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 44.0 ppb (34) N/A N/A 0.5 μg/m3 (2) 34.0
 
May 21, 2019, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 43.0 ppb (33) N/A N/A 0.7 μg/m3 (3) 33.0
 
May 21, 2019, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 42.0 ppb (32) N/A N/A 0.3 μg/m3 (1) 32.0
 
May 21, 2019, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 40.0 ppb (31) N/A N/A 0.6 μg/m3 (2) 31.0
 
May 21, 2019, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 38.0 ppb (29) N/A N/A 4.0 μg/m3 (17) 29.0
 
May 21, 2019, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 31.0 ppb (24) N/A N/A 6.8 μg/m3 (28) 28.0
 
May 21, 2019, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 29.0 ppb (22) N/A N/A 10.4 μg/m3 (43) 43.0
 
May 21, 2019, noon N/A N/A N/A N/A N/A 0.0 ppb (0) 30.0 ppb (23) N/A N/A N/A 23.0
 
May 21, 2019, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 26.0 ppb (20) N/A N/A 16.4 μg/m3 (59) 59.0
 
May 21, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A N/A 18.5 μg/m3 (64) 64.0
 
May 21, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A N/A 20.7 μg/m3 (69) 69.0
 
May 21, 2019, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A 22.6 μg/m3 (73) 73.0
 
May 21, 2019, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A 22.2 μg/m3 (72) 72.0
 
May 21, 2019, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 24.0 ppb (18) N/A N/A 16.4 μg/m3 (59) 59.0
 
May 21, 2019, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 24.0 ppb (18) N/A N/A 10.1 μg/m3 (42) 42.0
 
May 21, 2019, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 25.0 ppb (19) N/A N/A N/A 19.0
 
May 21, 2019, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 28.0 ppb (22) N/A N/A 5.9 μg/m3 (25) 25.0
 
May 21, 2019, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 34.0 ppb (26) N/A N/A 8.3 μg/m3 (35) 35.0
 
May 21, 2019, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 41.0 ppb (32) N/A N/A 12.5 μg/m3 (51) 51.0
 
May 21, 2019, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) 43.0 ppb (33) N/A N/A 16.9 μg/m3 (60) 60.0
 
May 20, 2019, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 41.0 ppb (32) N/A N/A 18.8 μg/m3 (64) 64.0
 
May 20, 2019, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 43.0 ppb (33) N/A N/A 20.0 μg/m3 (67) 67.0
 
May 20, 2019, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 44.0 ppb (34) N/A N/A 17.3 μg/m3 (61) 61.0
 
May 20, 2019, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 42.0 ppb (32) N/A N/A N/A 32.0
 
May 20, 2019, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 41.0 ppb (32) N/A N/A 15.3 μg/m3 (57) 57.0
 
May 20, 2019, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 42.0 ppb (32) N/A N/A 13.8 μg/m3 (54) 54.0
 
May 20, 2019, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 42.0 ppb (32) N/A N/A 14.0 μg/m3 (54) 54.0
 
May 20, 2019, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 38.0 ppb (29) N/A N/A 15.0 μg/m3 (56) 56.0
 
May 20, 2019, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 38.0 ppb (29) N/A N/A 13.6 μg/m3 (53) 53.0
 
May 20, 2019, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 37.0 ppb (28) N/A N/A 8.4 μg/m3 (35) 35.0
 
May 20, 2019, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 33.0 ppb (25) N/A N/A N/A 25.0
 
May 20, 2019, noon N/A N/A N/A N/A N/A 0.0 ppb (0) 27.0 ppb (21) N/A N/A N/A 21.0
 
May 20, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A N/A 3.5 μg/m3 (15) 16.0
 
May 20, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A N/A 7.4 μg/m3 (31) 31.0
 
May 20, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 8.5 μg/m3 (35) 35.0
 
May 20, 2019, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A 10.9 μg/m3 (45) 45.0
 
May 20, 2019, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A 12.6 μg/m3 (51) 51.0
 
May 20, 2019, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 37.0 ppb (28) N/A N/A 13.6 μg/m3 (53) 53.0
 
May 20, 2019, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 41.0 ppb (32) N/A N/A N/A 32.0
 
May 20, 2019, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 43.0 ppb (33) N/A N/A N/A 33.0
 
May 20, 2019, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 43.0 ppb (33) N/A N/A 9.2 μg/m3 (38) 38.0
 
May 20, 2019, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 44.0 ppb (34) N/A N/A 8.8 μg/m3 (37) 37.0
 
May 20, 2019, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 45.0 ppb (35) N/A N/A 10.9 μg/m3 (45) 45.0
 
May 20, 2019, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) 46.0 ppb (35) N/A N/A 12.3 μg/m3 (51) 51.0
 
May 19, 2019, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 48.0 ppb (37) N/A N/A 11.4 μg/m3 (48) 48.0
 
May 19, 2019, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 48.0 ppb (37) N/A N/A 9.3 μg/m3 (39) 39.0
 
May 19, 2019, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 48.0 ppb (37) N/A N/A N/A 37.0
 
May 19, 2019, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 46.0 ppb (35) N/A N/A N/A 35.0
 
May 19, 2019, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 46.0 ppb (35) N/A N/A 7.5 μg/m3 (31) 35.0
 
May 19, 2019, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 45.0 ppb (35) N/A N/A 6.3 μg/m3 (26) 35.0
 
May 19, 2019, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 45.0 ppb (35) N/A N/A 1.5 μg/m3 (6) 35.0
 
May 19, 2019, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 46.0 ppb (35) N/A N/A -1.2 μg/m3 (0) 35.0
 
May 19, 2019, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 45.0 ppb (35) N/A N/A -1.6 μg/m3 (0) 35.0
 
May 19, 2019, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 41.0 ppb (32) N/A N/A 0.0 μg/m3 (0) 32.0
 
May 19, 2019, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 37.0 ppb (28) N/A N/A N/A 28.0
 
May 19, 2019, noon N/A N/A N/A N/A N/A 0.0 ppb (0) 39.0 ppb (30) N/A N/A N/A 30.0
 
May 19, 2019, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 36.0 ppb (28) N/A N/A 1.7 μg/m3 (7) 28.0
 
May 19, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A N/A 3.2 μg/m3 (13) 25.0
 
May 19, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A N/A 3.3 μg/m3 (14) 25.0
 
May 19, 2019, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A 2.2 μg/m3 (9) 9.0
 
May 19, 2019, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A 2.0 μg/m3 (8) 8.0
 
May 19, 2019, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 32.0 ppb (25) N/A N/A 1.4 μg/m3 (6) 25.0
 
May 19, 2019, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 32.0 ppb (25) N/A N/A N/A 25.0
 
May 19, 2019, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 33.0 ppb (25) N/A N/A N/A 25.0
 
May 19, 2019, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 37.0 ppb (28) N/A N/A 0.0 μg/m3 (0) 28.0
 
May 19, 2019, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 39.0 ppb (30) N/A N/A 3.7 μg/m3 (15) 30.0
 
May 19, 2019, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 38.0 ppb (29) N/A N/A 8.4 μg/m3 (35) 35.0
 
May 19, 2019, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) 40.0 ppb (31) N/A N/A 8.7 μg/m3 (36) 36.0
 
May 18, 2019, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 41.0 ppb (32) N/A N/A 7.1 μg/m3 (30) 32.0
 
May 18, 2019, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 42.0 ppb (32) N/A N/A 7.6 μg/m3 (32) 32.0
 
May 18, 2019, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 43.0 ppb (33) N/A N/A N/A 33.0
 
May 18, 2019, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 46.0 ppb (35) N/A N/A N/A 35.0
 
May 18, 2019, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 48.0 ppb (37) N/A N/A 8.9 μg/m3 (37) 37.0
 
May 18, 2019, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 55.0 ppb (42) N/A N/A 8.7 μg/m3 (36) 42.0
 
May 18, 2019, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 55.0 ppb (42) N/A N/A 8.3 μg/m3 (35) 42.0
 
May 18, 2019, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 51.0 ppb (39) N/A N/A 8.1 μg/m3 (34) 39.0
 
May 18, 2019, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 45.0 ppb (35) N/A N/A 7.8 μg/m3 (32) 35.0
 
May 18, 2019, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 40.0 ppb (31) N/A N/A 11.6 μg/m3 (48) 48.0
 
May 18, 2019, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 39.0 ppb (30) N/A N/A N/A 30.0
 
May 18, 2019, noon N/A N/A N/A N/A N/A 0.0 ppb (0) 39.0 ppb (30) N/A N/A N/A 30.0
 
May 18, 2019, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 37.0 ppb (28) N/A N/A 27.7 μg/m3 (83) 83.0
 
May 18, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A N/A 23.5 μg/m3 (74) 74.0
 
May 18, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A N/A 17.9 μg/m3 (63) 63.0
 
May 18, 2019, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A 13.8 μg/m3 (54) 54.0
 
May 18, 2019, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A 13.7 μg/m3 (54) 54.0
 
May 18, 2019, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 34.0 ppb (26) N/A N/A 15.1 μg/m3 (57) 57.0
 
May 18, 2019, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 37.0 ppb (28) N/A N/A N/A 28.0
 
May 18, 2019, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 39.0 ppb (30) N/A N/A N/A 30.0
 
May 18, 2019, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 41.0 ppb (32) N/A N/A 12.2 μg/m3 (50) 50.0
 
May 18, 2019, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 35.0 ppb (27) N/A N/A 12.7 μg/m3 (51) 51.0
 
May 18, 2019, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 39.0 ppb (30) N/A N/A 14.6 μg/m3 (56) 56.0
 
May 18, 2019, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) 45.0 ppb (35) N/A N/A 15.4 μg/m3 (57) 57.0
 
May 17, 2019, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 49.0 ppb (38) N/A N/A 14.5 μg/m3 (55) 55.0
 
May 17, 2019, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 50.0 ppb (38) N/A N/A 15.2 μg/m3 (57) 57.0
 
May 17, 2019, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 53.0 ppb (41) N/A N/A N/A 41.0
 
May 17, 2019, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 53.0 ppb (41) N/A N/A N/A 41.0
 
May 17, 2019, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 50.0 ppb (38) N/A N/A 12.2 μg/m3 (50) 50.0
 
May 17, 2019, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 51.0 ppb (39) N/A N/A 12.6 μg/m3 (51) 51.0
 
May 17, 2019, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 52.0 ppb (40) N/A N/A 10.5 μg/m3 (44) 44.0
 
May 17, 2019, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 52.0 ppb (40) N/A N/A 10.5 μg/m3 (44) 44.0
 
May 17, 2019, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 47.0 ppb (36) N/A N/A 9.3 μg/m3 (39) 39.0
 
May 17, 2019, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 46.0 ppb (35) N/A N/A 5.6 μg/m3 (23) 35.0
 
May 17, 2019, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 45.0 ppb (35) N/A N/A N/A 35.0
 
May 17, 2019, noon N/A N/A N/A N/A N/A 0.0 ppb (0) 45.0 ppb (35) N/A N/A 0.6 μg/m3 (2) 35.0
 
May 17, 2019, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 45.0 ppb (35) N/A N/A 3.7 μg/m3 (15) 35.0
 
May 17, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A N/A 8.4 μg/m3 (35) 36.0
 
May 17, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (37) N/A N/A 13.7 μg/m3 (54) 54.0
 
May 17, 2019, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A 17.0 μg/m3 (61) 61.0
 
May 17, 2019, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A 11.2 μg/m3 (47) 47.0
 
May 17, 2019, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 33.0 ppb (25) N/A N/A 6.5 μg/m3 (27) 27.0
 
May 17, 2019, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 34.0 ppb (26) N/A N/A N/A 26.0
 
May 17, 2019, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 39.0 ppb (30) N/A N/A N/A 30.0
 
May 17, 2019, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 44.0 ppb (34) N/A N/A 7.7 μg/m3 (32) 34.0
 
May 17, 2019, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 41.0 ppb (32) N/A N/A 7.9 μg/m3 (33) 33.0