AQSQID: 180890022

Site Name: Gary-Iitri

Location: Gary, IN

Reporting: True, Located: True

Current AQI: 24.0

Gary IN, US: 41.6067, -87.3047

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Jan. 16, 2019, noon N/A N/A N/A N/A N/A 0.0 ppb (0) 19.0 ppb (15) N/A 26.0 μg/m3 (24) N/A 24.0
 
Jan. 16, 2019, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 11.0 ppb (8) N/A 20.0 μg/m3 (18) 11.7 μg/m3 (49) 49.0
 
Jan. 16, 2019, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 4.0 ppb (3) N/A 18.0 μg/m3 (16) 16.1 μg/m3 (59) 59.0
 
Jan. 16, 2019, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 8.0 ppb (6) N/A 12.0 μg/m3 (11) 11.4 μg/m3 (48) 48.0
 
Jan. 16, 2019, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 10.0 ppb (8) N/A 11.0 μg/m3 (10) 9.0 μg/m3 (38) 38.0
 
Jan. 16, 2019, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 13.0 ppb (10) N/A 10.0 μg/m3 (9) 7.0 μg/m3 (29) 29.0
 
Jan. 16, 2019, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 13.0 ppb (10) N/A 9.0 μg/m3 (8) 5.3 μg/m3 (22) 22.0
 
Jan. 16, 2019, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 17.0 ppb (13) N/A 7.0 μg/m3 (6) 5.0 μg/m3 (21) 21.0
 
Jan. 16, 2019, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 18.0 ppb (14) N/A 7.0 μg/m3 (6) 4.3 μg/m3 (18) 18.0
 
Jan. 16, 2019, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 20.0 ppb (15) N/A 8.0 μg/m3 (7) 5.0 μg/m3 (21) 21.0
 
Jan. 16, 2019, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 21.0 ppb (16) N/A 8.0 μg/m3 (7) 3.3 μg/m3 (14) 16.0
 
Jan. 16, 2019, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 20.0 ppb (15) N/A 8.0 μg/m3 (7) 4.5 μg/m3 (19) 19.0
 
Jan. 16, 2019, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) 21.0 ppb (16) N/A 5.0 μg/m3 (5) 5.7 μg/m3 (24) 24.0
 
Jan. 15, 2019, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 23.0 ppb (18) N/A 6.0 μg/m3 (5) N/A 18.0
 
Jan. 15, 2019, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 23.0 ppb (18) N/A 8.0 μg/m3 (7) 3.8 μg/m3 (16) 18.0
 
Jan. 15, 2019, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 24.0 ppb (18) N/A 7.0 μg/m3 (6) 4.0 μg/m3 (17) 18.0
 
Jan. 15, 2019, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 25.0 ppb (19) N/A 5.0 μg/m3 (5) 3.6 μg/m3 (15) 19.0
 
Jan. 15, 2019, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 26.0 ppb (20) N/A 3.0 μg/m3 (3) 3.6 μg/m3 (15) 20.0
 
Jan. 15, 2019, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 27.0 ppb (21) N/A N/A 5.0 μg/m3 (21) 21.0
 
Jan. 15, 2019, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 26.0 ppb (20) N/A N/A 8.0 μg/m3 (33) 33.0
 
Jan. 15, 2019, 4 p.m. N/A N/A N/A 13.0 ppb (12) N/A 0.0 ppb (0) 24.0 ppb (18) N/A 3.0 μg/m3 (3) 7.1 μg/m3 (30) 30.0
 
Jan. 15, 2019, 3 p.m. N/A N/A N/A 15.0 ppb (14) N/A 0.0 ppb (0) 19.0 ppb (15) N/A 8.0 μg/m3 (7) 10.2 μg/m3 (42) 42.0
 
Jan. 15, 2019, 2 p.m. N/A N/A N/A 18.0 ppb (17) N/A 0.0 ppb (0) 15.0 ppb (12) N/A 10.0 μg/m3 (9) 14.6 μg/m3 (56) 56.0
 
Jan. 15, 2019, 1 p.m. N/A N/A N/A 18.0 ppb (17) N/A 0.0 ppb (0) 16.0 ppb (12) N/A 6.0 μg/m3 (5) 12.5 μg/m3 (51) 51.0
 
Jan. 15, 2019, noon N/A N/A N/A 15.0 ppb (14) N/A 0.0 ppb (0) 19.0 ppb (15) N/A 7.0 μg/m3 (6) 15.5 μg/m3 (57) 57.0
 
Jan. 15, 2019, 11 a.m. N/A N/A N/A 14.0 ppb (13) N/A 0.0 ppb (0) 20.0 ppb (15) N/A 8.0 μg/m3 (7) 12.1 μg/m3 (50) 50.0
 
Jan. 15, 2019, 10 a.m. N/A N/A N/A 14.0 ppb (13) N/A 0.0 ppb (0) 21.0 ppb (16) N/A 8.0 μg/m3 (7) 11.3 μg/m3 (47) 47.0
 
Jan. 15, 2019, 9 a.m. N/A N/A N/A 14.0 ppb (13) N/A 0.0 ppb (0) 21.0 ppb (16) N/A 7.0 μg/m3 (6) 11.2 μg/m3 (47) 47.0
 
Jan. 15, 2019, 8 a.m. N/A N/A N/A 13.0 ppb (12) N/A 0.0 ppb (0) 24.0 ppb (18) N/A 12.0 μg/m3 (11) 12.5 μg/m3 (51) 51.0
 
Jan. 15, 2019, 7 a.m. N/A N/A N/A 13.0 ppb (12) N/A 0.0 ppb (0) 26.0 ppb (20) N/A 15.0 μg/m3 (14) 16.1 μg/m3 (59) 59.0
 
Jan. 15, 2019, 6 a.m. N/A N/A N/A 14.0 ppb (13) N/A 0.0 ppb (0) 26.0 ppb (20) N/A 14.0 μg/m3 (13) 17.2 μg/m3 (61) 61.0
 
Jan. 15, 2019, 5 a.m. N/A N/A N/A 14.0 ppb (13) N/A 0.0 ppb (0) 26.0 ppb (20) N/A 13.0 μg/m3 (12) 16.2 μg/m3 (59) 59.0
 
Jan. 15, 2019, 4 a.m. N/A N/A N/A 19.0 ppb (18) N/A 0.0 ppb (0) 22.0 ppb (17) N/A 15.0 μg/m3 (14) 14.4 μg/m3 (55) 55.0
 
Jan. 15, 2019, 3 a.m. N/A N/A N/A 14.0 ppb (13) N/A 0.0 ppb (0) 26.0 ppb (20) N/A 13.0 μg/m3 (12) 14.2 μg/m3 (55) 55.0
 
Jan. 15, 2019, 2 a.m. N/A N/A N/A 14.0 ppb (13) N/A 0.0 ppb (0) 27.0 ppb (21) N/A 13.0 μg/m3 (12) 16.8 μg/m3 (60) 60.0
 
Jan. 15, 2019, 1 a.m. N/A N/A N/A 12.0 ppb (11) N/A 0.0 ppb (0) 30.0 ppb (23) N/A 11.0 μg/m3 (10) 11.4 μg/m3 (48) 48.0
 
Jan. 15, 2019, midnight N/A N/A N/A 13.0 ppb (12) N/A 0.0 ppb (0) 29.0 ppb (22) N/A 12.0 μg/m3 (11) 9.3 μg/m3 (39) 39.0
 
Jan. 14, 2019, 11 p.m. N/A N/A N/A 17.0 ppb (16) N/A 0.0 ppb (0) 23.0 ppb (18) N/A 15.0 μg/m3 (14) 13.3 μg/m3 (53) 53.0
 
Jan. 14, 2019, 10 p.m. N/A N/A N/A 17.0 ppb (16) N/A 0.0 ppb (0) 23.0 ppb (18) N/A 15.0 μg/m3 (14) 13.7 μg/m3 (54) 54.0
 
Jan. 14, 2019, 9 p.m. N/A N/A N/A 16.0 ppb (15) N/A 0.0 ppb (0) 23.0 ppb (18) N/A 13.0 μg/m3 (12) 12.0 μg/m3 (50) 50.0
 
Jan. 14, 2019, 8 p.m. N/A N/A N/A 16.0 ppb (15) N/A 0.0 ppb (0) 22.0 ppb (17) N/A 12.0 μg/m3 (11) 8.9 μg/m3 (37) 37.0
 
Jan. 14, 2019, 7 p.m. N/A N/A N/A 19.0 ppb (18) N/A 0.0 ppb (0) 19.0 ppb (15) N/A 14.0 μg/m3 (13) 15.2 μg/m3 (57) 57.0
 
Jan. 14, 2019, 6 p.m. N/A N/A N/A 19.0 ppb (18) N/A 0.0 ppb (0) 19.0 ppb (15) N/A 12.0 μg/m3 (11) 13.0 μg/m3 (52) 52.0
 
Jan. 14, 2019, 5 p.m. N/A N/A N/A 21.0 ppb (19) N/A 0.0 ppb (0) 17.0 ppb (13) N/A 15.0 μg/m3 (14) 13.4 μg/m3 (53) 53.0
 
Jan. 14, 2019, 4 p.m. N/A N/A N/A 22.0 ppb (20) N/A 0.0 ppb (0) 17.0 ppb (13) N/A 16.0 μg/m3 (15) 12.0 μg/m3 (50) 50.0
 
Jan. 14, 2019, 3 p.m. N/A N/A N/A 30.0 ppb (28) N/A 0.0 ppb (0) 13.0 ppb (10) N/A 15.0 μg/m3 (14) 13.4 μg/m3 (53) 53.0
 
Jan. 14, 2019, 2 p.m. N/A N/A N/A 40.0 ppb (37) N/A 0.0 ppb (0) 4.0 ppb (3) N/A 31.0 μg/m3 (28) 17.1 μg/m3 (61) 61.0
 
Jan. 14, 2019, 1 p.m. N/A N/A N/A 42.0 ppb (39) N/A 0.0 ppb (0) 1.0 ppb (1) N/A 17.0 μg/m3 (15) 11.8 μg/m3 (49) 49.0
 
Jan. 14, 2019, noon N/A N/A N/A 40.0 ppb (37) N/A 0.0 ppb (0) 0.0 ppb (0) N/A 16.0 μg/m3 (15) 12.2 μg/m3 (50) 50.0
 
Jan. 14, 2019, 11 a.m. N/A N/A N/A 41.0 ppb (38) N/A 0.0 ppb (0) 0.0 ppb (0) N/A 16.0 μg/m3 (15) 12.7 μg/m3 (51) 51.0
 
Jan. 14, 2019, 10 a.m. N/A N/A N/A 40.0 ppb (37) N/A 0.0 ppb (0) 0.0 ppb (0) N/A 28.0 μg/m3 (25) 15.4 μg/m3 (57) 57.0
 
Jan. 14, 2019, 9 a.m. N/A N/A N/A 35.0 ppb (32) N/A 0.0 ppb (0) 0.0 ppb (0) N/A 21.0 μg/m3 (19) 13.0 μg/m3 (52) 52.0
 
Jan. 14, 2019, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 0.0 ppb (0) N/A 21.0 μg/m3 (19) 11.1 μg/m3 (46) 46.0
 
Jan. 14, 2019, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 0.0 ppb (0) N/A 23.0 μg/m3 (21) 8.2 μg/m3 (34) 34.0
 
Jan. 14, 2019, 6 a.m. N/A N/A N/A 36.0 ppb (33) N/A 0.0 ppb (0) 1.0 ppb (1) N/A 17.0 μg/m3 (15) 9.5 μg/m3 (40) 40.0
 
Jan. 14, 2019, 5 a.m. N/A N/A N/A 37.0 ppb (34) N/A 0.0 ppb (0) 2.0 ppb (2) N/A 12.0 μg/m3 (11) 8.8 μg/m3 (37) 37.0
 
Jan. 14, 2019, 4 a.m. N/A N/A N/A 25.0 ppb (23) N/A 0.0 ppb (0) 15.0 ppb (12) N/A 11.0 μg/m3 (10) 2.2 μg/m3 (9) 23.0
 
Jan. 14, 2019, 3 a.m. N/A N/A N/A 7.0 ppb (6) N/A 0.0 ppb (0) 35.0 ppb (27) N/A 4.0 μg/m3 (4) 3.5 μg/m3 (15) 27.0
 
Jan. 14, 2019, 2 a.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 39.0 ppb (30) N/A 5.0 μg/m3 (5) 4.2 μg/m3 (18) 30.0
 
Jan. 14, 2019, 1 a.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 39.0 ppb (30) N/A 4.0 μg/m3 (4) 0.2 μg/m3 (1) 30.0
 
Jan. 14, 2019, midnight N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 39.0 ppb (30) N/A 5.0 μg/m3 (5) 1.1 μg/m3 (5) 30.0
 
Jan. 13, 2019, 11 p.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 39.0 ppb (30) N/A 6.0 μg/m3 (5) 2.1 μg/m3 (9) 30.0
 
Jan. 13, 2019, 10 p.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 39.0 ppb (30) N/A 5.0 μg/m3 (5) 3.0 μg/m3 (12) 30.0
 
Jan. 13, 2019, 9 p.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 39.0 ppb (30) N/A 4.0 μg/m3 (4) 2.8 μg/m3 (12) 30.0
 
Jan. 13, 2019, 8 p.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 38.0 ppb (29) N/A 4.0 μg/m3 (4) 4.7 μg/m3 (20) 29.0
 
Jan. 13, 2019, 7 p.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 37.0 ppb (28) N/A 4.0 μg/m3 (4) 7.1 μg/m3 (30) 30.0
 
Jan. 13, 2019, 6 p.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 34.0 ppb (26) N/A 5.0 μg/m3 (5) 7.6 μg/m3 (32) 32.0
 
Jan. 13, 2019, 5 p.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 32.0 ppb (25) N/A 4.0 μg/m3 (4) 8.6 μg/m3 (36) 36.0
 
Jan. 13, 2019, 4 p.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 31.0 ppb (24) N/A 7.0 μg/m3 (6) 4.8 μg/m3 (20) 24.0
 
Jan. 13, 2019, 3 p.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 30.0 ppb (23) N/A 9.0 μg/m3 (8) 8.2 μg/m3 (34) 34.0
 
Jan. 13, 2019, 2 p.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 29.0 ppb (22) N/A 10.0 μg/m3 (9) 8.3 μg/m3 (35) 35.0
 
Jan. 13, 2019, 1 p.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 29.0 ppb (22) N/A 10.0 μg/m3 (9) 7.4 μg/m3 (31) 31.0
 
Jan. 13, 2019, noon N/A N/A N/A 7.0 ppb (6) N/A 0.0 ppb (0) 28.0 ppb (22) N/A 12.0 μg/m3 (11) 8.8 μg/m3 (37) 37.0
 
Jan. 13, 2019, 11 a.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 29.0 ppb (22) N/A 9.0 μg/m3 (8) 8.3 μg/m3 (35) 35.0
 
Jan. 13, 2019, 10 a.m. N/A N/A N/A 7.0 ppb (6) N/A 0.0 ppb (0) 30.0 ppb (23) N/A 5.0 μg/m3 (5) 8.6 μg/m3 (36) 36.0
 
Jan. 13, 2019, 9 a.m. N/A N/A N/A 7.0 ppb (6) N/A 0.0 ppb (0) 29.0 ppb (22) N/A 5.0 μg/m3 (5) 8.6 μg/m3 (36) 36.0
 
Jan. 13, 2019, 8 a.m. N/A N/A N/A 7.0 ppb (6) N/A 0.0 ppb (0) 28.0 ppb (22) N/A 7.0 μg/m3 (6) 5.5 μg/m3 (23) 23.0
 
Jan. 13, 2019, 7 a.m. N/A N/A N/A 9.0 ppb (8) N/A 0.0 ppb (0) 26.0 ppb (20) N/A 9.0 μg/m3 (8) 7.1 μg/m3 (30) 30.0
 
Jan. 13, 2019, 6 a.m. N/A N/A N/A 9.0 ppb (8) N/A 0.0 ppb (0) 25.0 ppb (19) N/A 6.0 μg/m3 (5) 9.3 μg/m3 (39) 39.0
 
Jan. 13, 2019, 5 a.m. N/A N/A N/A 7.0 ppb (6) N/A 0.0 ppb (0) N/A N/A 8.0 μg/m3 (7) 7.6 μg/m3 (32) 32.0
 
Jan. 13, 2019, 4 a.m. N/A N/A N/A 10.0 ppb (9) N/A 0.0 ppb (0) 25.0 ppb (19) N/A 12.0 μg/m3 (11) 9.3 μg/m3 (39) 39.0
 
Jan. 13, 2019, 3 a.m. N/A N/A N/A 16.0 ppb (15) N/A N/A 21.0 ppb (16) N/A 12.0 μg/m3 (11) 8.1 μg/m3 (34) 34.0
 
Jan. 13, 2019, 2 a.m. N/A N/A N/A 10.0 ppb (9) N/A 0.0 ppb (0) 28.0 ppb (22) N/A 5.0 μg/m3 (5) 5.8 μg/m3 (24) 24.0
 
Jan. 13, 2019, 1 a.m. N/A N/A N/A 20.0 ppb (19) N/A 1.0 ppb (1) 14.0 ppb (11) N/A 13.0 μg/m3 (12) 17.1 μg/m3 (61) 61.0
 
Jan. 13, 2019, midnight N/A N/A N/A 21.0 ppb (19) N/A 1.0 ppb (1) 12.0 ppb (9) N/A 17.0 μg/m3 (15) 15.0 μg/m3 (56) 56.0
 
Jan. 12, 2019, 11 p.m. N/A N/A N/A 21.0 ppb (19) N/A 0.0 ppb (0) 13.0 ppb (10) N/A 14.0 μg/m3 (13) 12.9 μg/m3 (52) 52.0
 
Jan. 12, 2019, 10 p.m. N/A N/A N/A 13.0 ppb (12) N/A 0.0 ppb (0) 20.0 ppb (15) N/A 13.0 μg/m3 (12) 12.5 μg/m3 (51) 51.0
 
Jan. 12, 2019, 9 p.m. N/A N/A N/A 13.0 ppb (12) N/A 0.0 ppb (0) 20.0 ppb (15) N/A 13.0 μg/m3 (12) 16.6 μg/m3 (60) 60.0
 
Jan. 12, 2019, 8 p.m. N/A N/A N/A 19.0 ppb (18) N/A 0.0 ppb (0) 14.0 ppb (11) N/A 16.0 μg/m3 (15) 18.4 μg/m3 (64) 64.0
 
Jan. 12, 2019, 7 p.m. N/A N/A N/A 11.0 ppb (10) N/A 0.0 ppb (0) 20.0 ppb (15) N/A 8.0 μg/m3 (7) 14.8 μg/m3 (56) 56.0
 
Jan. 12, 2019, 6 p.m. N/A N/A N/A 9.0 ppb (8) N/A 0.0 ppb (0) 19.0 ppb (15) N/A 10.0 μg/m3 (9) 16.4 μg/m3 (59) 59.0
 
Jan. 12, 2019, 5 p.m. N/A N/A N/A 9.0 ppb (8) N/A 0.0 ppb (0) 19.0 ppb (15) N/A 8.0 μg/m3 (7) 13.7 μg/m3 (54) 54.0
 
Jan. 12, 2019, 4 p.m. N/A N/A N/A 12.0 ppb (11) N/A 0.0 ppb (0) 16.0 ppb (12) N/A 11.0 μg/m3 (10) 15.6 μg/m3 (58) 58.0
 
Jan. 12, 2019, 3 p.m. N/A N/A N/A 10.0 ppb (9) N/A 0.0 ppb (0) 15.0 ppb (12) N/A 14.0 μg/m3 (13) 19.0 μg/m3 (65) 65.0
 
Jan. 12, 2019, 2 p.m. N/A N/A N/A 15.0 ppb (14) N/A 0.0 ppb (0) 9.0 ppb (7) N/A 17.0 μg/m3 (15) 17.9 μg/m3 (63) 63.0
 
Jan. 12, 2019, 1 p.m. N/A N/A N/A 17.0 ppb (16) N/A 0.0 ppb (0) 8.0 ppb (6) N/A 16.0 μg/m3 (15) 21.7 μg/m3 (71) 71.0
 
Jan. 12, 2019, noon N/A N/A N/A 14.0 ppb (13) N/A 0.0 ppb (0) 10.0 ppb (8) N/A 14.0 μg/m3 (13) 19.6 μg/m3 (66) 66.0
 
Jan. 12, 2019, 11 a.m. N/A N/A N/A 14.0 ppb (13) N/A 0.0 ppb (0) 9.0 ppb (7) N/A 15.0 μg/m3 (14) 20.8 μg/m3 (69) 69.0
 
Jan. 12, 2019, 10 a.m. N/A N/A N/A 12.0 ppb (11) N/A 0.0 ppb (0) 11.0 ppb (8) N/A 15.0 μg/m3 (14) 17.2 μg/m3 (61) 61.0
 
Jan. 12, 2019, 9 a.m. N/A N/A N/A 12.0 ppb (11) N/A 0.0 ppb (0) 12.0 ppb (9) N/A 15.0 μg/m3 (14) 19.5 μg/m3 (66) 66.0
 
Jan. 12, 2019, 8 a.m. N/A N/A N/A 11.0 ppb (10) N/A 0.0 ppb (0) 14.0 ppb (11) N/A 15.0 μg/m3 (14) 17.2 μg/m3 (61) 61.0
 
Jan. 12, 2019, 7 a.m. N/A N/A N/A 9.0 ppb (8) N/A 0.0 ppb (0) 16.0 ppb (12) N/A 14.0 μg/m3 (13) 13.8 μg/m3 (54) 54.0
 
Jan. 12, 2019, 6 a.m. N/A N/A N/A 11.0 ppb (10) N/A 0.0 ppb (0) 16.0 ppb (12) N/A 14.0 μg/m3 (13) 20.1 μg/m3 (67) 67.0
 
Jan. 12, 2019, 5 a.m. N/A N/A N/A 10.0 ppb (9) N/A 0.0 ppb (0) 18.0 ppb (14) N/A 13.0 μg/m3 (12) 14.7 μg/m3 (56) 56.0
 
Jan. 12, 2019, 4 a.m. N/A N/A N/A 12.0 ppb (11) N/A 0.0 ppb (0) 17.0 ppb (13) N/A 14.0 μg/m3 (13) 16.1 μg/m3 (59) 59.0
 
Jan. 12, 2019, 3 a.m. N/A N/A N/A 11.0 ppb (10) N/A 0.0 ppb (0) 19.0 ppb (15) N/A 13.0 μg/m3 (12) 10.6 μg/m3 (44) 44.0
 
Jan. 12, 2019, 2 a.m. N/A N/A N/A 10.0 ppb (9) N/A 0.0 ppb (0) 20.0 ppb (15) N/A 14.0 μg/m3 (13) 11.9 μg/m3 (50) 50.0
 
Jan. 12, 2019, 1 a.m. N/A N/A N/A 9.0 ppb (8) N/A 0.0 ppb (0) 21.0 ppb (16) N/A 14.0 μg/m3 (13) 10.8 μg/m3 (45) 45.0
 
Jan. 12, 2019, midnight N/A N/A N/A 15.0 ppb (14) N/A 0.0 ppb (0) 17.0 ppb (13) N/A 15.0 μg/m3 (14) 12.4 μg/m3 (51) 51.0
 
Jan. 11, 2019, 11 p.m. N/A N/A N/A 16.0 ppb (15) N/A 0.0 ppb (0) 16.0 ppb (12) N/A 16.0 μg/m3 (15) 11.4 μg/m3 (48) 48.0
 
Jan. 11, 2019, 10 p.m. N/A N/A N/A 11.0 ppb (10) N/A 0.0 ppb (0) 23.0 ppb (18) N/A 13.0 μg/m3 (12) 6.0 μg/m3 (25) 25.0
 
Jan. 11, 2019, 9 p.m. N/A N/A N/A 8.0 ppb (7) N/A 0.0 ppb (0) 28.0 ppb (22) N/A 11.0 μg/m3 (10) 6.9 μg/m3 (29) 29.0
 
Jan. 11, 2019, 8 p.m. N/A N/A N/A 7.0 ppb (6) N/A 0.0 ppb (0) 28.0 ppb (22) N/A 13.0 μg/m3 (12) 6.9 μg/m3 (29) 29.0
 
Jan. 11, 2019, 7 p.m. N/A N/A N/A 8.0 ppb (7) N/A 0.0 ppb (0) 28.0 ppb (22) N/A 14.0 μg/m3 (13) 6.6 μg/m3 (28) 28.0
 
Jan. 11, 2019, 6 p.m. N/A N/A N/A 7.0 ppb (6) N/A 0.0 ppb (0) 29.0 ppb (22) N/A 11.0 μg/m3 (10) 7.8 μg/m3 (32) 32.0
 
Jan. 11, 2019, 5 p.m. N/A N/A N/A 8.0 ppb (7) N/A 0.0 ppb (0) 28.0 ppb (22) N/A 12.0 μg/m3 (11) 11.6 μg/m3 (48) 48.0
 
Jan. 11, 2019, 4 p.m. N/A N/A N/A 8.0 ppb (7) N/A 0.0 ppb (0) 30.0 ppb (23) N/A 9.0 μg/m3 (8) 5.1 μg/m3 (21) 23.0
 
Jan. 11, 2019, 3 p.m. N/A N/A N/A 9.0 ppb (8) N/A 0.0 ppb (0) 31.0 ppb (24) N/A 8.0 μg/m3 (7) 4.4 μg/m3 (18) 24.0
 
Jan. 11, 2019, 2 p.m. N/A N/A N/A 12.0 ppb (11) N/A 0.0 ppb (0) 27.0 ppb (21) N/A 11.0 μg/m3 (10) 7.7 μg/m3 (32) 32.0
 
Jan. 11, 2019, 1 p.m. N/A N/A N/A 25.0 ppb (23) N/A 0.0 ppb (0) 9.0 ppb (7) N/A 21.0 μg/m3 (19) 11.8 μg/m3 (49) 49.0
 
Jan. 11, 2019, noon N/A N/A N/A 30.0 ppb (28) N/A 0.0 ppb (0) 2.0 ppb (2) N/A 31.0 μg/m3 (28) 11.7 μg/m3 (49) 49.0
 
Jan. 11, 2019, 11 a.m. N/A N/A N/A 27.0 ppb (25) N/A 0.0 ppb (0) 4.0 ppb (3) N/A 22.0 μg/m3 (20) 13.2 μg/m3 (53) 53.0
 
Jan. 11, 2019, 10 a.m. N/A N/A N/A 25.0 ppb (23) N/A 0.0 ppb (0) 7.0 ppb (5) N/A 21.0 μg/m3 (19) 13.4 μg/m3 (53) 53.0
 
Jan. 11, 2019, 9 a.m. N/A N/A N/A 29.0 ppb (27) N/A 0.0 ppb (0) 4.0 ppb (3) N/A 22.0 μg/m3 (20) 15.6 μg/m3 (58) 58.0
 
Jan. 11, 2019, 8 a.m. N/A N/A N/A 25.0 ppb (23) N/A 0.0 ppb (0) 6.0 ppb (5) N/A 30.0 μg/m3 (27) 18.5 μg/m3 (64) 64.0
 
Jan. 11, 2019, 7 a.m. N/A N/A N/A 26.0 ppb (24) N/A 0.0 ppb (0) 7.0 ppb (5) N/A 41.0 μg/m3 (37) 32.2 μg/m3 (93) 93.0
 
Jan. 11, 2019, 6 a.m. N/A N/A N/A 34.0 ppb (31) N/A 0.0 ppb (0) 1.0 ppb (1) N/A 23.0 μg/m3 (21) 15.8 μg/m3 (58) 58.0
 
Jan. 11, 2019, 5 a.m. N/A N/A N/A 31.0 ppb (29) N/A 0.0 ppb (0) 4.0 ppb (3) N/A 25.0 μg/m3 (23) 14.1 μg/m3 (54) 54.0
 
Jan. 11, 2019, 4 a.m. N/A N/A N/A 27.0 ppb (25) N/A 0.0 ppb (0) 7.0 ppb (5) N/A 24.0 μg/m3 (22) 13.1 μg/m3 (52) 52.0
 
Jan. 11, 2019, 3 a.m. N/A N/A N/A 26.0 ppb (24) N/A 0.0 ppb (0) 8.0 ppb (6) N/A 23.0 μg/m3 (21) 12.9 μg/m3 (52) 52.0
 
Jan. 11, 2019, 2 a.m. N/A N/A N/A 8.0 ppb (7) N/A 0.0 ppb (0) 29.0 ppb (22) N/A 20.0 μg/m3 (18) 8.2 μg/m3 (34) 34.0
 
Jan. 11, 2019, 1 a.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 32.0 ppb (25) N/A 28.0 μg/m3 (25) 3.3 μg/m3 (14) 25.0
 
Jan. 11, 2019, midnight N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 32.0 ppb (25) N/A 12.0 μg/m3 (11) 4.7 μg/m3 (20) 25.0
 
Jan. 10, 2019, 11 p.m. N/A N/A N/A 8.0 ppb (7) N/A 0.0 ppb (0) 29.0 ppb (22) N/A 17.0 μg/m3 (15) 6.4 μg/m3 (27) 27.0
 
Jan. 10, 2019, 10 p.m. N/A N/A N/A 9.0 ppb (8) N/A 0.0 ppb (0) 26.0 ppb (20) N/A 28.0 μg/m3 (25) 7.3 μg/m3 (30) 30.0
 
Jan. 10, 2019, 9 p.m. N/A N/A N/A 20.0 ppb (19) N/A 1.0 ppb (1) 15.0 ppb (12) N/A 36.0 μg/m3 (33) N/A 33.0
 
Jan. 10, 2019, 8 p.m. N/A N/A N/A 27.0 ppb (25) N/A 2.0 ppb (3) 8.0 ppb (6) N/A 51.0 μg/m3 (46) N/A 46.0
 
Jan. 10, 2019, 7 p.m. N/A N/A N/A 27.0 ppb (25) N/A 2.0 ppb (3) 8.0 ppb (6) N/A 58.0 μg/m3 (52) 13.4 μg/m3 (53) 53.0
 
Jan. 10, 2019, 6 p.m. N/A N/A N/A 28.0 ppb (26) N/A 6.0 ppb (9) 6.0 ppb (5) N/A 111.0 μg/m3 (78) 20.8 μg/m3 (69) 78.0
 
Jan. 10, 2019, 5 p.m. N/A N/A N/A 28.0 ppb (26) N/A 1.0 ppb (1) 6.0 ppb (5) N/A 49.0 μg/m3 (45) 17.2 μg/m3 (61) 61.0
 
Jan. 10, 2019, 4 p.m. N/A N/A N/A 31.0 ppb (29) N/A 2.0 ppb (3) 4.0 ppb (3) N/A 57.0 μg/m3 (51) 11.3 μg/m3 (47) 51.0
 
Jan. 10, 2019, 3 p.m. N/A N/A N/A 35.0 ppb (32) N/A 4.0 ppb (6) 2.0 ppb (2) N/A 104.0 μg/m3 (74) 19.9 μg/m3 (67) 74.0
 
Jan. 10, 2019, 2 p.m. N/A N/A N/A 34.0 ppb (31) N/A 3.0 ppb (4) 2.0 ppb (2) N/A 91.0 μg/m3 (68) 19.7 μg/m3 (66) 68.0
 
Jan. 10, 2019, 1 p.m. N/A N/A N/A 36.0 ppb (33) N/A 2.0 ppb (3) 1.0 ppb (1) N/A 73.0 μg/m3 (59) 17.6 μg/m3 (62) 62.0
 
Jan. 10, 2019, noon N/A N/A N/A 33.0 ppb (31) N/A 2.0 ppb (3) 1.0 ppb (1) N/A 45.0 μg/m3 (41) 10.6 μg/m3 (44) 44.0
 
Jan. 10, 2019, 11 a.m. N/A N/A N/A 26.0 ppb (24) N/A 4.0 ppb (6) 6.0 ppb (5) N/A 55.0 μg/m3 (50) 14.5 μg/m3 (55) 55.0
 
Jan. 10, 2019, 10 a.m. N/A N/A N/A 28.0 ppb (26) N/A 6.0 ppb (9) 4.0 ppb (3) N/A 67.0 μg/m3 (56) 15.8 μg/m3 (58) 58.0
 
Jan. 10, 2019, 9 a.m. N/A N/A N/A 18.0 ppb (17) N/A 2.0 ppb (3) 13.0 ppb (10) N/A 51.0 μg/m3 (46) 14.1 μg/m3 (54) 54.0
 
Jan. 10, 2019, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 24.0 ppb (18) N/A 23.0 μg/m3 (21) 3.9 μg/m3 (16) 21.0
 
Jan. 10, 2019, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 27.0 ppb (21) N/A 21.0 μg/m3 (19) 4.2 μg/m3 (18) 21.0
 
Jan. 10, 2019, 6 a.m. N/A N/A N/A 7.0 ppb (6) N/A 0.0 ppb (0) 24.0 ppb (18) N/A 50.0 μg/m3 (45) 5.6 μg/m3 (23) 45.0
 
Jan. 10, 2019, 5 a.m. N/A N/A N/A 7.0 ppb (6) N/A 0.0 ppb (0) 24.0 ppb (18) N/A 48.0 μg/m3 (44) 3.7 μg/m3 (15) 44.0
 
Jan. 10, 2019, 4 a.m. N/A N/A N/A 7.0 ppb (6) N/A 0.0 ppb (0) 24.0 ppb (18) N/A 56.0 μg/m3 (50) 4.4 μg/m3 (18) 50.0
 
Jan. 10, 2019, 3 a.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 25.0 ppb (19) N/A 77.0 μg/m3 (61) 5.1 μg/m3 (21) 61.0
 
Jan. 10, 2019, 2 a.m. N/A N/A N/A 7.0 ppb (6) N/A 0.0 ppb (0) 25.0 ppb (19) N/A 65.0 μg/m3 (55) 4.4 μg/m3 (18) 55.0
 
Jan. 10, 2019, 1 a.m. N/A N/A N/A 7.0 ppb (6) N/A 0.0 ppb (0) 25.0 ppb (19) N/A 41.0 μg/m3 (37) 3.4 μg/m3 (14) 37.0
 
Jan. 10, 2019, midnight N/A N/A N/A 8.0 ppb (7) N/A 1.0 ppb (1) 24.0 ppb (18) N/A 40.0 μg/m3 (36) 5.8 μg/m3 (24) 36.0
 
Jan. 9, 2019, 11 p.m. N/A N/A N/A 11.0 ppb (10) N/A 2.0 ppb (3) 20.0 ppb (15) N/A 33.0 μg/m3 (30) 10.1 μg/m3 (42) 42.0
 
Jan. 9, 2019, 10 p.m. N/A N/A N/A 14.0 ppb (13) N/A 5.0 ppb (7) 17.0 ppb (13) N/A 58.0 μg/m3 (52) 11.4 μg/m3 (48) 52.0
 
Jan. 9, 2019, 9 p.m. N/A N/A N/A 18.0 ppb (17) N/A 7.0 ppb (10) 15.0 ppb (12) N/A 64.0 μg/m3 (54) 13.8 μg/m3 (54) 54.0
 
Jan. 9, 2019, 8 p.m. N/A N/A N/A 18.0 ppb (17) N/A 10.0 ppb (14) 15.0 ppb (12) N/A 67.0 μg/m3 (56) 14.1 μg/m3 (54) 56.0
 
Jan. 9, 2019, 7 p.m. N/A N/A N/A 19.0 ppb (18) N/A 9.0 ppb (13) 12.0 ppb (9) N/A 102.0 μg/m3 (74) 20.4 μg/m3 (68) 74.0
 
Jan. 9, 2019, 6 p.m. N/A N/A N/A 18.0 ppb (17) N/A 10.0 ppb (14) 12.0 ppb (9) N/A 126.0 μg/m3 (86) 18.2 μg/m3 (63) 86.0
 
Jan. 9, 2019, 5 p.m. N/A N/A N/A 15.0 ppb (14) N/A 12.0 ppb (17) 16.0 ppb (12) N/A 121.0 μg/m3 (83) 15.4 μg/m3 (57) 83.0
 
Jan. 9, 2019, 4 p.m. N/A N/A N/A 21.0 ppb (19) N/A 14.0 ppb (20) 9.0 ppb (7) N/A 145.0 μg/m3 (95) 23.7 μg/m3 (75) 95.0
 
Jan. 9, 2019, 3 p.m. N/A N/A N/A 17.0 ppb (16) N/A 10.0 ppb (14) 13.0 ppb (10) N/A 102.0 μg/m3 (74) 11.2 μg/m3 (47) 74.0
 
Jan. 9, 2019, 2 p.m. N/A N/A N/A 21.0 ppb (19) N/A 16.0 ppb (23) 9.0 ppb (7) N/A 120.0 μg/m3 (82) 21.0 μg/m3 (69) 82.0
 
Jan. 9, 2019, 1 p.m. N/A N/A N/A 19.0 ppb (18) N/A 11.0 ppb (16) 12.0 ppb (9) N/A 116.0 μg/m3 (80) 15.9 μg/m3 (58) 80.0