AQSQID: 180890022

Site Name: Gary-Iitri

Location: Gary, IN

Reporting: True, Located: True

Current AQI: 34.0

Gary IN, US: 41.6067, -87.3047

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
May 19, 2019, 2 p.m. N/A N/A N/A 3.0 ppb (3) N/A -1.0 ppb (0) 44.0 ppb (34) N/A 11.0 μg/m3 (10) N/A 34.0
 
May 19, 2019, 1 p.m. N/A N/A N/A 3.0 ppb (3) N/A -1.0 ppb (0) 40.0 ppb (31) N/A 13.0 μg/m3 (12) 5.3 μg/m3 (22) 31.0
 
May 19, 2019, noon N/A N/A N/A 5.0 ppb (5) N/A -1.0 ppb (0) 31.0 ppb (24) N/A 13.0 μg/m3 (12) 3.9 μg/m3 (16) 24.0
 
May 19, 2019, 11 a.m. N/A N/A N/A 5.0 ppb (5) N/A -1.0 ppb (0) 32.0 ppb (25) N/A 14.0 μg/m3 (13) 5.9 μg/m3 (25) 25.0
 
May 19, 2019, 10 a.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 29.0 ppb (22) N/A 18.0 μg/m3 (16) 9.2 μg/m3 (38) 38.0
 
May 19, 2019, 9 a.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 29.0 ppb (22) N/A 22.0 μg/m3 (20) 14.5 μg/m3 (55) 55.0
 
May 19, 2019, 8 a.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 32.0 ppb (25) N/A 27.0 μg/m3 (25) 11.4 μg/m3 (48) 48.0
 
May 19, 2019, 7 a.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 36.0 ppb (28) N/A 24.0 μg/m3 (22) 8.6 μg/m3 (36) 36.0
 
May 19, 2019, 6 a.m. N/A N/A N/A 7.0 ppb (6) N/A -1.0 ppb (0) 35.0 ppb (27) N/A 18.0 μg/m3 (16) 6.0 μg/m3 (25) 27.0
 
May 19, 2019, 5 a.m. N/A N/A N/A 10.0 ppb (9) N/A 0.0 ppb (0) 30.0 ppb (23) N/A 14.0 μg/m3 (13) 4.2 μg/m3 (18) 23.0
 
May 19, 2019, 4 a.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 37.0 ppb (28) N/A 14.0 μg/m3 (13) 3.9 μg/m3 (16) 28.0
 
May 19, 2019, 3 a.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 40.0 ppb (31) N/A 13.0 μg/m3 (12) 7.0 μg/m3 (29) 31.0
 
May 19, 2019, 2 a.m. N/A N/A N/A 5.0 ppb (5) N/A -1.0 ppb (0) 41.0 ppb (32) N/A 18.0 μg/m3 (16) 9.7 μg/m3 (40) 40.0
 
May 19, 2019, 1 a.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 41.0 ppb (32) N/A 12.0 μg/m3 (11) 3.5 μg/m3 (15) 32.0
 
May 19, 2019, midnight N/A N/A N/A 7.0 ppb (6) N/A 0.0 ppb (0) 42.0 ppb (32) N/A 11.0 μg/m3 (10) 2.5 μg/m3 (10) 32.0
 
May 18, 2019, 11 p.m. N/A N/A N/A 7.0 ppb (6) N/A 0.0 ppb (0) 41.0 ppb (32) N/A 1.0 μg/m3 (1) N/A 32.0
 
May 18, 2019, 10 p.m. N/A N/A N/A 9.0 ppb (8) N/A 0.0 ppb (0) 36.0 ppb (28) N/A 8.0 μg/m3 (7) 1.6 μg/m3 (7) 28.0
 
May 18, 2019, 9 p.m. N/A N/A N/A 12.0 ppb (11) N/A 0.0 ppb (0) 37.0 ppb (28) N/A 16.0 μg/m3 (15) 2.8 μg/m3 (12) 28.0
 
May 18, 2019, 8 p.m. N/A N/A N/A 11.0 ppb (10) N/A 6.0 ppb (9) 39.0 ppb (30) N/A 7.0 μg/m3 (6) N/A 30.0
 
May 18, 2019, 7 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 52.0 ppb (40) N/A 26.0 μg/m3 (24) N/A 40.0
 
May 18, 2019, 6 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 53.0 ppb (41) N/A 22.0 μg/m3 (20) 13.1 μg/m3 (52) 52.0
 
May 18, 2019, 5 p.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 51.0 ppb (39) N/A 28.0 μg/m3 (25) 11.8 μg/m3 (49) 49.0
 
May 18, 2019, 4 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 52.0 ppb (40) N/A 27.0 μg/m3 (25) 14.3 μg/m3 (55) 55.0
 
May 18, 2019, 3 p.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 46.0 ppb (35) N/A 34.0 μg/m3 (31) 15.7 μg/m3 (58) 58.0
 
May 18, 2019, 2 p.m. N/A N/A N/A 8.0 ppb (7) N/A 0.0 ppb (0) 28.0 ppb (22) N/A 25.0 μg/m3 (23) 9.8 μg/m3 (41) 41.0
 
May 18, 2019, 1 p.m. N/A N/A N/A 9.0 ppb (8) N/A 0.0 ppb (0) 12.0 ppb (9) N/A 23.0 μg/m3 (21) 13.4 μg/m3 (53) 53.0
 
May 18, 2019, noon N/A N/A N/A 14.0 ppb (13) N/A 1.0 ppb (1) 8.0 ppb (6) N/A 29.0 μg/m3 (26) 16.3 μg/m3 (59) 59.0
 
May 18, 2019, 11 a.m. N/A N/A N/A 10.0 ppb (9) N/A 1.0 ppb (1) 15.0 ppb (12) N/A 30.0 μg/m3 (27) 12.8 μg/m3 (52) 52.0
 
May 18, 2019, 10 a.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 24.0 ppb (18) N/A 9.0 μg/m3 (8) 2.3 μg/m3 (10) 18.0
 
May 18, 2019, 9 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 28.0 ppb (22) N/A 2.0 μg/m3 (2) -0.7 μg/m3 (0) 22.0
 
May 18, 2019, 8 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 28.0 ppb (22) N/A 4.0 μg/m3 (4) -0.4 μg/m3 (0) 22.0
 
May 18, 2019, 7 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 24.0 ppb (18) N/A 3.0 μg/m3 (3) 0.5 μg/m3 (2) 18.0
 
May 18, 2019, 6 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 20.0 ppb (15) N/A 3.0 μg/m3 (3) 2.1 μg/m3 (9) 15.0
 
May 18, 2019, 5 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 26.0 ppb (20) N/A 2.0 μg/m3 (2) 2.3 μg/m3 (10) 20.0
 
May 18, 2019, 4 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 28.0 ppb (22) N/A 4.0 μg/m3 (4) 0.4 μg/m3 (2) 22.0
 
May 18, 2019, 3 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 27.0 ppb (21) N/A 2.0 μg/m3 (2) 1.6 μg/m3 (7) 21.0
 
May 18, 2019, 2 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 25.0 ppb (19) N/A 3.0 μg/m3 (3) 2.7 μg/m3 (11) 19.0
 
May 18, 2019, 1 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 26.0 ppb (20) N/A 2.0 μg/m3 (2) 2.4 μg/m3 (10) 20.0
 
May 18, 2019, midnight N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 25.0 ppb (19) N/A 5.0 μg/m3 (5) 3.0 μg/m3 (12) 19.0
 
May 17, 2019, 11 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 26.0 ppb (20) N/A 7.0 μg/m3 (6) N/A 20.0
 
May 17, 2019, 10 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 27.0 ppb (21) N/A 8.0 μg/m3 (7) 1.4 μg/m3 (6) 21.0
 
May 17, 2019, 9 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 28.0 ppb (22) N/A 6.0 μg/m3 (5) 2.2 μg/m3 (9) 22.0
 
May 17, 2019, 8 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 29.0 ppb (22) N/A 4.0 μg/m3 (4) 2.0 μg/m3 (8) 22.0
 
May 17, 2019, 7 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 28.0 ppb (22) N/A 5.0 μg/m3 (5) 1.3 μg/m3 (5) 22.0
 
May 17, 2019, 6 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 29.0 ppb (22) N/A 3.0 μg/m3 (3) 4.7 μg/m3 (20) 22.0
 
May 17, 2019, 5 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 29.0 ppb (22) N/A 10.0 μg/m3 (9) 6.5 μg/m3 (27) 27.0
 
May 17, 2019, 4 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 29.0 ppb (22) N/A 11.0 μg/m3 (10) 3.2 μg/m3 (13) 22.0
 
May 17, 2019, 3 p.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 27.0 ppb (21) N/A 13.0 μg/m3 (12) 4.1 μg/m3 (17) 21.0
 
May 17, 2019, 2 p.m. N/A N/A N/A 21.0 ppb (19) N/A 6.0 ppb (9) 12.0 ppb (9) N/A 53.0 μg/m3 (48) 27.6 μg/m3 (83) 83.0
 
May 17, 2019, 1 p.m. N/A N/A N/A 8.0 ppb (7) N/A 0.0 ppb (0) 26.0 ppb (20) N/A 15.0 μg/m3 (14) 4.2 μg/m3 (18) 20.0
 
May 17, 2019, noon N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 32.0 ppb (25) N/A 5.0 μg/m3 (5) 4.0 μg/m3 (17) 25.0
 
May 17, 2019, 11 a.m. N/A N/A N/A 3.0 ppb (3) N/A -1.0 ppb (0) 39.0 ppb (30) N/A 7.0 μg/m3 (6) 7.6 μg/m3 (32) 32.0
 
May 17, 2019, 10 a.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 45.0 ppb (35) N/A 6.0 μg/m3 (5) 8.9 μg/m3 (37) 37.0
 
May 17, 2019, 9 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 48.0 ppb (37) N/A 5.0 μg/m3 (5) 11.8 μg/m3 (49) 49.0
 
May 17, 2019, 8 a.m. N/A N/A N/A 15.0 ppb (14) N/A 0.0 ppb (0) 31.0 ppb (24) N/A 16.0 μg/m3 (15) 14.8 μg/m3 (56) 56.0
 
May 17, 2019, 7 a.m. N/A N/A N/A 8.0 ppb (7) N/A 0.0 ppb (0) 35.0 ppb (27) N/A 16.0 μg/m3 (15) 11.4 μg/m3 (48) 48.0
 
May 17, 2019, 6 a.m. N/A N/A N/A 29.0 ppb (27) N/A 0.0 ppb (0) 13.0 ppb (10) N/A 41.0 μg/m3 (37) 20.5 μg/m3 (68) 68.0
 
May 17, 2019, 5 a.m. N/A N/A N/A 21.0 ppb (19) N/A 0.0 ppb (0) 15.0 ppb (12) N/A 36.0 μg/m3 (33) 19.4 μg/m3 (66) 66.0
 
May 17, 2019, 4 a.m. N/A N/A N/A 19.0 ppb (18) N/A 0.0 ppb (0) 17.0 ppb (13) N/A 34.0 μg/m3 (31) 14.1 μg/m3 (54) 54.0
 
May 17, 2019, 3 a.m. N/A N/A N/A 11.0 ppb (10) N/A 0.0 ppb (0) 29.0 ppb (22) N/A 26.0 μg/m3 (24) 15.4 μg/m3 (57) 57.0
 
May 17, 2019, 2 a.m. N/A N/A N/A 14.0 ppb (13) N/A 0.0 ppb (0) 28.0 ppb (22) N/A 20.0 μg/m3 (18) 11.3 μg/m3 (47) 47.0
 
May 17, 2019, 1 a.m. N/A N/A N/A 11.0 ppb (10) N/A -1.0 ppb (0) 34.0 ppb (26) N/A 18.0 μg/m3 (16) 6.3 μg/m3 (26) 26.0
 
May 17, 2019, midnight N/A N/A N/A 9.0 ppb (8) N/A -1.0 ppb (0) 39.0 ppb (30) N/A 20.0 μg/m3 (18) 8.9 μg/m3 (37) 37.0
 
May 16, 2019, 11 p.m. N/A N/A N/A 8.0 ppb (7) N/A -1.0 ppb (0) 42.0 ppb (32) N/A 17.0 μg/m3 (15) N/A 32.0
 
May 16, 2019, 10 p.m. N/A N/A N/A 8.0 ppb (7) N/A 0.0 ppb (0) 41.0 ppb (32) N/A 16.0 μg/m3 (15) 10.1 μg/m3 (42) 42.0
 
May 16, 2019, 9 p.m. N/A N/A N/A 10.0 ppb (9) N/A 0.0 ppb (0) 35.0 ppb (27) N/A 17.0 μg/m3 (15) 8.3 μg/m3 (35) 35.0
 
May 16, 2019, 8 p.m. N/A N/A N/A 12.0 ppb (11) N/A 0.0 ppb (0) 35.0 ppb (27) N/A 13.0 μg/m3 (12) 6.2 μg/m3 (26) 27.0
 
May 16, 2019, 7 p.m. N/A N/A N/A 14.0 ppb (13) N/A -1.0 ppb (0) 32.0 ppb (25) N/A 6.0 μg/m3 (5) 7.0 μg/m3 (29) 29.0
 
May 16, 2019, 6 p.m. N/A N/A N/A 9.0 ppb (8) N/A -1.0 ppb (0) 31.0 ppb (24) N/A 51.0 μg/m3 (46) 30.2 μg/m3 (89) 89.0
 
May 16, 2019, 5 p.m. N/A N/A N/A 8.0 ppb (7) N/A 0.0 ppb (0) 43.0 ppb (33) N/A 28.0 μg/m3 (25) 9.7 μg/m3 (40) 40.0
 
May 16, 2019, 4 p.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 45.0 ppb (35) N/A 28.0 μg/m3 (25) 6.0 μg/m3 (25) 35.0
 
May 16, 2019, 3 p.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 41.0 ppb (32) N/A 30.0 μg/m3 (27) 7.4 μg/m3 (31) 32.0
 
May 16, 2019, 2 p.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 38.0 ppb (29) N/A 45.0 μg/m3 (41) 8.1 μg/m3 (34) 41.0
 
May 16, 2019, 1 p.m. N/A N/A N/A 8.0 ppb (7) N/A 0.0 ppb (0) 32.0 ppb (25) N/A 35.0 μg/m3 (32) 11.7 μg/m3 (49) 49.0
 
May 16, 2019, noon N/A N/A N/A 7.0 ppb (6) N/A 0.0 ppb (0) 26.0 ppb (20) N/A 27.0 μg/m3 (25) 11.2 μg/m3 (47) 47.0
 
May 16, 2019, 11 a.m. N/A N/A N/A 12.0 ppb (11) N/A 0.0 ppb (0) 16.0 ppb (12) N/A 22.0 μg/m3 (20) 10.9 μg/m3 (45) 45.0
 
May 16, 2019, 10 a.m. N/A N/A N/A 15.0 ppb (14) N/A 0.0 ppb (0) 13.0 ppb (10) N/A 21.0 μg/m3 (19) 14.2 μg/m3 (55) 55.0
 
May 16, 2019, 9 a.m. N/A N/A N/A 12.0 ppb (11) N/A 0.0 ppb (0) 20.0 ppb (15) N/A 19.0 μg/m3 (17) 9.1 μg/m3 (38) 38.0
 
May 16, 2019, 8 a.m. N/A N/A N/A 11.0 ppb (10) N/A 0.0 ppb (0) 26.0 ppb (20) N/A 20.0 μg/m3 (18) 10.3 μg/m3 (43) 43.0
 
May 16, 2019, 7 a.m. N/A N/A N/A 22.0 ppb (20) N/A 0.0 ppb (0) 21.0 ppb (16) N/A 25.0 μg/m3 (23) 12.3 μg/m3 (51) 51.0
 
May 16, 2019, 6 a.m. N/A N/A N/A 33.0 ppb (31) N/A 0.0 ppb (0) 12.0 ppb (9) N/A 26.0 μg/m3 (24) 14.7 μg/m3 (56) 56.0
 
May 16, 2019, 5 a.m. N/A N/A N/A 38.0 ppb (35) N/A 0.0 ppb (0) 2.0 ppb (2) N/A 40.0 μg/m3 (36) 20.6 μg/m3 (68) 68.0
 
May 16, 2019, 4 a.m. N/A N/A N/A 46.0 ppb (43) N/A 0.0 ppb (0) 2.0 ppb (2) N/A 43.0 μg/m3 (39) 21.3 μg/m3 (70) 70.0
 
May 16, 2019, 3 a.m. N/A N/A N/A 42.0 ppb (39) N/A 0.0 ppb (0) 5.0 ppb (4) N/A 45.0 μg/m3 (41) 22.7 μg/m3 (73) 73.0
 
May 16, 2019, 2 a.m. N/A N/A N/A 35.0 ppb (32) N/A 0.0 ppb (0) 14.0 ppb (11) N/A 62.0 μg/m3 (54) 16.3 μg/m3 (59) 59.0
 
May 16, 2019, 1 a.m. N/A N/A N/A 14.0 ppb (13) N/A 0.0 ppb (0) 43.0 ppb (33) N/A 39.0 μg/m3 (35) 13.0 μg/m3 (52) 52.0
 
May 16, 2019, midnight N/A N/A N/A 16.0 ppb (15) N/A 1.0 ppb (1) 54.0 ppb (42) N/A 33.0 μg/m3 (30) 16.4 μg/m3 (59) 59.0
 
May 15, 2019, 11 p.m. N/A N/A N/A 9.0 ppb (8) N/A 1.0 ppb (1) 67.0 ppb (52) N/A 30.0 μg/m3 (27) N/A 52.0
 
May 15, 2019, 10 p.m. N/A N/A N/A 5.0 ppb (5) N/A 2.0 ppb (3) 71.0 ppb (55) N/A 31.0 μg/m3 (28) 9.6 μg/m3 (40) 55.0
 
May 15, 2019, 9 p.m. N/A N/A N/A 6.0 ppb (6) N/A 2.0 ppb (3) 68.0 ppb (52) N/A 27.0 μg/m3 (25) 9.8 μg/m3 (41) 52.0
 
May 15, 2019, 8 p.m. N/A N/A N/A 6.0 ppb (6) N/A 1.0 ppb (1) 67.0 ppb (52) N/A 25.0 μg/m3 (23) 10.0 μg/m3 (42) 52.0
 
May 15, 2019, 7 p.m. N/A N/A N/A 8.0 ppb (7) N/A 3.0 ppb (4) 59.0 ppb (45) N/A 33.0 μg/m3 (30) 15.3 μg/m3 (57) 57.0
 
May 15, 2019, 6 p.m. N/A N/A N/A 11.0 ppb (10) N/A 2.0 ppb (3) 54.0 ppb (42) N/A 39.0 μg/m3 (35) 12.8 μg/m3 (52) 52.0
 
May 15, 2019, 5 p.m. N/A N/A N/A 8.0 ppb (7) N/A 1.0 ppb (1) 53.0 ppb (41) N/A 28.0 μg/m3 (25) 11.3 μg/m3 (47) 47.0
 
May 15, 2019, 4 p.m. N/A N/A N/A 11.0 ppb (10) N/A 1.0 ppb (1) 45.0 ppb (35) N/A 38.0 μg/m3 (35) 11.8 μg/m3 (49) 49.0
 
May 15, 2019, 3 p.m. N/A N/A N/A 14.0 ppb (13) N/A 1.0 ppb (1) 40.0 ppb (31) N/A 82.0 μg/m3 (64) 15.5 μg/m3 (57) 64.0
 
May 15, 2019, 2 p.m. N/A N/A N/A 11.0 ppb (10) N/A 0.0 ppb (0) 42.0 ppb (32) N/A 25.0 μg/m3 (23) 8.0 μg/m3 (33) 33.0
 
May 15, 2019, 1 p.m. N/A N/A N/A 32.0 ppb (30) N/A 3.0 ppb (4) 15.0 ppb (12) N/A 43.0 μg/m3 (39) 14.6 μg/m3 (56) 56.0
 
May 15, 2019, noon N/A N/A N/A 32.0 ppb (30) N/A 0.0 ppb (0) 4.0 ppb (3) N/A 36.0 μg/m3 (33) 14.2 μg/m3 (55) 55.0
 
May 15, 2019, 11 a.m. N/A N/A N/A 30.0 ppb (28) N/A 0.0 ppb (0) 2.0 ppb (2) N/A 33.0 μg/m3 (30) 14.5 μg/m3 (55) 55.0
 
May 15, 2019, 10 a.m. N/A N/A N/A 32.0 ppb (30) N/A 0.0 ppb (0) 1.0 ppb (1) N/A 31.0 μg/m3 (28) 9.4 μg/m3 (39) 39.0
 
May 15, 2019, 9 a.m. N/A N/A N/A 32.0 ppb (30) N/A 0.0 ppb (0) 1.0 ppb (1) N/A 31.0 μg/m3 (28) 12.5 μg/m3 (51) 51.0
 
May 15, 2019, 8 a.m. N/A N/A N/A 29.0 ppb (27) N/A 0.0 ppb (0) 5.0 ppb (4) N/A 22.0 μg/m3 (20) 9.8 μg/m3 (41) 41.0
 
May 15, 2019, 7 a.m. N/A N/A N/A 32.0 ppb (30) N/A 0.0 ppb (0) 12.0 ppb (9) N/A 22.0 μg/m3 (20) 6.6 μg/m3 (28) 30.0
 
May 15, 2019, 6 a.m. N/A N/A N/A 29.0 ppb (27) N/A 0.0 ppb (0) 13.0 ppb (10) N/A 22.0 μg/m3 (20) 8.6 μg/m3 (36) 36.0
 
May 15, 2019, 5 a.m. N/A N/A N/A 23.0 ppb (21) N/A 0.0 ppb (0) 19.0 ppb (15) N/A 17.0 μg/m3 (15) 7.8 μg/m3 (32) 32.0
 
May 15, 2019, 4 a.m. N/A N/A N/A 26.0 ppb (24) N/A 0.0 ppb (0) 15.0 ppb (12) N/A 21.0 μg/m3 (19) 11.7 μg/m3 (49) 49.0
 
May 15, 2019, 3 a.m. N/A N/A N/A 29.0 ppb (27) N/A 0.0 ppb (0) 9.0 ppb (7) N/A 22.0 μg/m3 (20) 10.7 μg/m3 (45) 45.0
 
May 15, 2019, 2 a.m. N/A N/A N/A 37.0 ppb (34) N/A 0.0 ppb (0) 8.0 ppb (6) N/A 32.0 μg/m3 (29) 9.0 μg/m3 (38) 38.0
 
May 15, 2019, 1 a.m. N/A N/A N/A 30.0 ppb (28) N/A 0.0 ppb (0) 20.0 ppb (15) N/A 20.0 μg/m3 (18) 3.2 μg/m3 (13) 28.0
 
May 15, 2019, midnight N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 47.0 ppb (36) N/A 12.0 μg/m3 (11) 4.0 μg/m3 (17) 36.0
 
May 14, 2019, 11 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 51.0 ppb (39) N/A 11.0 μg/m3 (10) N/A 39.0
 
May 14, 2019, 10 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 53.0 ppb (41) N/A 10.0 μg/m3 (9) 1.1 μg/m3 (5) 41.0
 
May 14, 2019, 9 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 51.0 ppb (39) N/A 6.0 μg/m3 (5) 0.6 μg/m3 (2) 39.0
 
May 14, 2019, 8 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 50.0 ppb (38) N/A 12.0 μg/m3 (11) 0.7 μg/m3 (3) 38.0
 
May 14, 2019, 7 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 50.0 ppb (38) N/A 13.0 μg/m3 (12) 1.7 μg/m3 (7) 38.0
 
May 14, 2019, 6 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 48.0 ppb (37) N/A 17.0 μg/m3 (15) 5.2 μg/m3 (22) 37.0
 
May 14, 2019, 5 p.m. N/A N/A N/A 9.0 ppb (8) N/A 1.0 ppb (1) 43.0 ppb (33) N/A 59.0 μg/m3 (52) 8.3 μg/m3 (35) 52.0
 
May 14, 2019, 4 p.m. N/A N/A N/A 6.0 ppb (6) N/A 2.0 ppb (3) 46.0 ppb (35) N/A 16.0 μg/m3 (15) 5.8 μg/m3 (24) 35.0
 
May 14, 2019, 3 p.m. N/A N/A N/A 12.0 ppb (11) N/A 7.0 ppb (10) 40.0 ppb (31) N/A 40.0 μg/m3 (36) 11.1 μg/m3 (46) 46.0
 
May 14, 2019, 2 p.m. N/A N/A N/A 19.0 ppb (18) N/A 6.0 ppb (9) 30.0 ppb (23) N/A 27.0 μg/m3 (25) 11.1 μg/m3 (46) 46.0
 
May 14, 2019, 1 p.m. N/A N/A N/A 22.0 ppb (20) N/A 0.0 ppb (0) 24.0 ppb (18) N/A 18.0 μg/m3 (16) 6.6 μg/m3 (28) 28.0
 
May 14, 2019, noon N/A N/A N/A 35.0 ppb (32) N/A 0.0 ppb (0) 5.0 ppb (4) N/A 31.0 μg/m3 (28) 11.1 μg/m3 (46) 46.0
 
May 14, 2019, 11 a.m. N/A N/A N/A 22.0 ppb (20) N/A 0.0 ppb (0) 1.0 ppb (1) N/A 26.0 μg/m3 (24) 15.9 μg/m3 (58) 58.0
 
May 14, 2019, 10 a.m. N/A N/A N/A 19.0 ppb (18) N/A 0.0 ppb (0) 0.0 ppb (0) N/A 15.0 μg/m3 (14) 12.5 μg/m3 (51) 51.0
 
May 14, 2019, 9 a.m. N/A N/A N/A 23.0 ppb (21) N/A 0.0 ppb (0) 0.0 ppb (0) N/A 17.0 μg/m3 (15) 10.5 μg/m3 (44) 44.0
 
May 14, 2019, 8 a.m. N/A N/A N/A 32.0 ppb (30) N/A 0.0 ppb (0) 0.0 ppb (0) N/A 24.0 μg/m3 (22) 13.9 μg/m3 (54) 54.0
 
May 14, 2019, 7 a.m. N/A N/A N/A 29.0 ppb (27) N/A 0.0 ppb (0) 1.0 ppb (1) N/A 21.0 μg/m3 (19) 10.3 μg/m3 (43) 43.0
 
May 14, 2019, 6 a.m. N/A N/A N/A 29.0 ppb (27) N/A 0.0 ppb (0) 0.0 ppb (0) N/A 17.0 μg/m3 (15) 5.6 μg/m3 (23) 27.0
 
May 14, 2019, 5 a.m. N/A N/A N/A 28.0 ppb (26) N/A 0.0 ppb (0) 2.0 ppb (2) N/A 15.0 μg/m3 (14) 7.4 μg/m3 (31) 31.0
 
May 14, 2019, 4 a.m. N/A N/A N/A 34.0 ppb (31) N/A 2.0 ppb (3) 2.0 ppb (2) N/A 15.0 μg/m3 (14) 4.8 μg/m3 (20) 31.0
 
May 14, 2019, 3 a.m. N/A N/A N/A 28.0 ppb (26) N/A 0.0 ppb (0) 16.0 ppb (12) N/A 9.0 μg/m3 (8) 4.0 μg/m3 (17) 26.0
 
May 14, 2019, 2 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 39.0 ppb (30) N/A 7.0 μg/m3 (6) 3.7 μg/m3 (15) 30.0
 
May 14, 2019, 1 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 42.0 ppb (32) N/A 7.0 μg/m3 (6) 2.5 μg/m3 (10) 32.0
 
May 14, 2019, midnight N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 46.0 ppb (35) N/A 10.0 μg/m3 (9) 3.5 μg/m3 (15) 35.0
 
May 13, 2019, 11 p.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 43.0 ppb (33) N/A 10.0 μg/m3 (9) N/A 33.0
 
May 13, 2019, 10 p.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 42.0 ppb (32) N/A 11.0 μg/m3 (10) 5.9 μg/m3 (25) 32.0
 
May 13, 2019, 9 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 44.0 ppb (34) N/A 12.0 μg/m3 (11) 4.8 μg/m3 (20) 34.0
 
May 13, 2019, 8 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 43.0 ppb (33) N/A 9.0 μg/m3 (8) 5.3 μg/m3 (22) 33.0
 
May 13, 2019, 7 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 41.0 ppb (32) N/A 9.0 μg/m3 (8) 6.6 μg/m3 (28) 32.0
 
May 13, 2019, 6 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 42.0 ppb (32) N/A 16.0 μg/m3 (15) 5.6 μg/m3 (23) 32.0
 
May 13, 2019, 5 p.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 37.0 ppb (28) N/A 16.0 μg/m3 (15) 5.2 μg/m3 (22) 28.0
 
May 13, 2019, 4 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 37.0 ppb (28) N/A 10.0 μg/m3 (9) 4.2 μg/m3 (18) 28.0
 
May 13, 2019, 3 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 36.0 ppb (28) N/A 10.0 μg/m3 (9) 5.5 μg/m3 (23) 28.0
 
May 13, 2019, 2 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 39.0 ppb (30) N/A 8.0 μg/m3 (7) 5.2 μg/m3 (22) 30.0
 
May 13, 2019, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 38.0 ppb (29) N/A 6.0 μg/m3 (5) 2.0 μg/m3 (8) 29.0
 
May 13, 2019, noon N/A N/A N/A N/A N/A 0.0 ppb (0) 36.0 ppb (28) N/A 7.0 μg/m3 (6) 1.8 μg/m3 (8) 28.0
 
May 13, 2019, 11 a.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 35.0 ppb (27) N/A 9.0 μg/m3 (8) 4.1 μg/m3 (17) 27.0
 
May 13, 2019, 10 a.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 34.0 ppb (26) N/A 9.0 μg/m3 (8) 6.5 μg/m3 (27) 27.0
 
May 13, 2019, 9 a.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 35.0 ppb (27) N/A 8.0 μg/m3 (7) 6.1 μg/m3 (25) 27.0
 
May 13, 2019, 8 a.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 37.0 ppb (28) N/A 7.0 μg/m3 (6) 4.8 μg/m3 (20) 28.0
 
May 13, 2019, 7 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 40.0 ppb (31) N/A 7.0 μg/m3 (6) 4.1 μg/m3 (17) 31.0
 
May 13, 2019, 6 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 42.0 ppb (32) N/A 6.0 μg/m3 (5) 4.7 μg/m3 (20) 32.0
 
May 13, 2019, 5 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) N/A N/A 7.0 μg/m3 (6) 3.5 μg/m3 (15) 15.0
 
May 13, 2019, 4 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 44.0 ppb (34) N/A 6.0 μg/m3 (5) 4.2 μg/m3 (18) 34.0
 
May 13, 2019, 3 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 43.0 ppb (33) N/A 5.0 μg/m3 (5) 3.7 μg/m3 (15) 33.0
 
May 13, 2019, 2 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 43.0 ppb (33) N/A 6.0 μg/m3 (5) 3.8 μg/m3 (16) 33.0
 
May 13, 2019, 1 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 42.0 ppb (32) N/A 6.0 μg/m3 (5) 2.2 μg/m3 (9) 32.0
 
May 13, 2019, midnight N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 44.0 ppb (34) N/A 7.0 μg/m3 (6) 4.0 μg/m3 (17) 34.0
 
May 12, 2019, 7 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 40.0 ppb (31) N/A 7.0 μg/m3 (6) N/A 31.0
 
May 12, 2019, 6 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 40.0 ppb (31) N/A 8.0 μg/m3 (7) 4.0 μg/m3 (17) 31.0
 
May 12, 2019, 5 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 39.0 ppb (30) N/A 7.0 μg/m3 (6) 3.0 μg/m3 (12) 30.0
 
May 12, 2019, 4 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 37.0 ppb (28) N/A 6.0 μg/m3 (5) 2.9 μg/m3 (12) 28.0
 
May 12, 2019, 3 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 36.0 ppb (28) N/A 6.0 μg/m3 (5) 3.2 μg/m3 (13) 28.0
 
May 12, 2019, 2 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 35.0 ppb (27) N/A 5.0 μg/m3 (5) 4.6 μg/m3 (19) 27.0
 
May 12, 2019, 1 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 34.0 ppb (26) N/A 6.0 μg/m3 (5) 3.6 μg/m3 (15) 26.0
 
May 12, 2019, noon N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 35.0 ppb (27) N/A 5.0 μg/m3 (5) 3.7 μg/m3 (15) 27.0
 
May 12, 2019, 6 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 38.0 ppb (29) N/A 6.0 μg/m3 (5) N/A 29.0