AQSQID: 180890022

Site Name: Gary-Iitri

Location: Gary (Marquette Park/Miller), IN

Reporting: True, Located: True

Current AQI: 29.0

Gary (Marquette Park/Miller) IN, US: 41.6067, -87.3047

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Jan. 27, 2020, 7 p.m. N/A N/A N/A 29.0 ppb (27) N/A 3.0 ppb (4) 7.0 ppb (5) N/A 32.0 μg/m3 (29) N/A 29.0
 
Jan. 27, 2020, 6 p.m. N/A N/A N/A 33.0 ppb (31) N/A 1.0 ppb (1) 3.0 ppb (2) N/A 23.0 μg/m3 (21) 22.7 μg/m3 (73) 73.0
 
Jan. 27, 2020, 5 p.m. N/A N/A N/A 32.0 ppb (30) N/A 1.0 ppb (1) 4.0 ppb (3) N/A 31.0 μg/m3 (28) 19.8 μg/m3 (67) 67.0
 
Jan. 27, 2020, 4 p.m. N/A N/A N/A 29.0 ppb (27) N/A 1.0 ppb (1) 4.0 ppb (3) N/A 25.0 μg/m3 (23) 20.9 μg/m3 (69) 69.0
 
Jan. 27, 2020, 3 p.m. N/A N/A N/A 28.0 ppb (26) N/A 1.0 ppb (1) 3.0 ppb (2) N/A 15.0 μg/m3 (14) 17.9 μg/m3 (63) 63.0
 
Jan. 27, 2020, 2 p.m. N/A N/A N/A 29.0 ppb (27) N/A 1.0 ppb (1) 1.0 ppb (1) N/A 21.0 μg/m3 (19) 19.3 μg/m3 (66) 66.0
 
Jan. 27, 2020, 1 p.m. N/A N/A N/A 18.0 ppb (17) N/A 1.0 ppb (1) 10.0 ppb (8) N/A 12.0 μg/m3 (11) 19.1 μg/m3 (65) 65.0
 
Jan. 27, 2020, noon N/A N/A N/A 18.0 ppb (17) N/A 1.0 ppb (1) 12.0 ppb (9) N/A 21.0 μg/m3 (19) 19.0 μg/m3 (65) 65.0
 
Jan. 27, 2020, 11 a.m. N/A N/A N/A 17.0 ppb (16) N/A 1.0 ppb (1) 13.0 ppb (10) N/A 18.0 μg/m3 (16) 13.9 μg/m3 (54) 54.0
 
Jan. 27, 2020, 10 a.m. N/A N/A N/A 17.0 ppb (16) N/A 1.0 ppb (1) 13.0 ppb (10) N/A 19.0 μg/m3 (17) 19.9 μg/m3 (67) 67.0
 
Jan. 27, 2020, 9 a.m. N/A N/A N/A 14.0 ppb (13) N/A 1.0 ppb (1) 16.0 ppb (12) N/A 21.0 μg/m3 (19) 19.6 μg/m3 (66) 66.0
 
Jan. 27, 2020, 8 a.m. N/A N/A N/A 17.0 ppb (16) N/A 1.0 ppb (1) 15.0 ppb (12) N/A 20.0 μg/m3 (18) 14.7 μg/m3 (56) 56.0
 
Jan. 27, 2020, 7 a.m. N/A N/A N/A 16.0 ppb (15) N/A 0.0 ppb (0) 16.0 ppb (12) N/A 18.0 μg/m3 (16) 16.4 μg/m3 (59) 59.0
 
Jan. 27, 2020, 6 a.m. N/A N/A N/A 12.0 ppb (11) N/A 0.0 ppb (0) 19.0 ppb (15) N/A 18.0 μg/m3 (16) 15.3 μg/m3 (57) 57.0
 
Jan. 27, 2020, 5 a.m. N/A N/A N/A 15.0 ppb (14) N/A 0.0 ppb (0) 17.0 ppb (13) N/A 21.0 μg/m3 (19) 13.7 μg/m3 (54) 54.0
 
Jan. 27, 2020, 4 a.m. N/A N/A N/A 12.0 ppb (11) N/A 0.0 ppb (0) 21.0 ppb (16) N/A 18.0 μg/m3 (16) 11.0 μg/m3 (46) 46.0
 
Jan. 27, 2020, 3 a.m. N/A N/A N/A 11.0 ppb (10) N/A 0.0 ppb (0) 23.0 ppb (18) N/A N/A 10.2 μg/m3 (42) 42.0
 
Jan. 27, 2020, 2 a.m. N/A N/A N/A 10.0 ppb (9) N/A 0.0 ppb (0) 24.0 ppb (18) N/A 18.0 μg/m3 (16) 10.5 μg/m3 (44) 44.0
 
Jan. 27, 2020, 1 a.m. N/A N/A N/A 13.0 ppb (12) N/A 0.0 ppb (0) 21.0 ppb (16) N/A 15.0 μg/m3 (14) 13.7 μg/m3 (54) 54.0
 
Jan. 27, 2020, midnight N/A N/A N/A 10.0 ppb (9) N/A 0.0 ppb (0) 22.0 ppb (17) N/A 12.0 μg/m3 (11) 12.4 μg/m3 (51) 51.0
 
Jan. 26, 2020, 11 p.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) N/A 17.0
 
Jan. 26, 2020, 10 p.m. N/A N/A N/A 10.0 ppb (9) N/A 0.0 ppb (0) 23.0 ppb (18) N/A 17.0 μg/m3 (15) 12.0 μg/m3 (50) 50.0
 
Jan. 26, 2020, 9 p.m. N/A N/A N/A 10.0 ppb (9) N/A 0.0 ppb (0) 24.0 ppb (18) N/A 14.0 μg/m3 (13) 10.6 μg/m3 (44) 44.0
 
Jan. 26, 2020, 8 p.m. N/A N/A N/A 8.0 ppb (7) N/A 0.0 ppb (0) 26.0 ppb (20) N/A 13.0 μg/m3 (12) 13.6 μg/m3 (53) 53.0
 
Jan. 26, 2020, 7 p.m. N/A N/A N/A 8.0 ppb (7) N/A 0.0 ppb (0) 25.0 ppb (19) N/A 14.0 μg/m3 (13) 8.7 μg/m3 (36) 36.0
 
Jan. 26, 2020, 6 p.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 27.0 ppb (21) N/A N/A 9.3 μg/m3 (39) 39.0
 
Jan. 26, 2020, 5 p.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 26.0 ppb (20) N/A 12.0 μg/m3 (11) 8.8 μg/m3 (37) 37.0
 
Jan. 26, 2020, 4 p.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 25.0 ppb (19) N/A 14.0 μg/m3 (13) 5.7 μg/m3 (24) 24.0
 
Jan. 26, 2020, 3 p.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 25.0 ppb (19) N/A 8.0 μg/m3 (7) 8.2 μg/m3 (34) 34.0
 
Jan. 26, 2020, 2 p.m. N/A N/A N/A 7.0 ppb (6) N/A 0.0 ppb (0) 24.0 ppb (18) N/A 15.0 μg/m3 (14) 9.0 μg/m3 (38) 38.0
 
Jan. 26, 2020, 1 p.m. N/A N/A N/A 8.0 ppb (7) N/A 0.0 ppb (0) 22.0 ppb (17) N/A 14.0 μg/m3 (13) 9.1 μg/m3 (38) 38.0
 
Jan. 26, 2020, noon N/A N/A N/A 8.0 ppb (7) N/A 0.0 ppb (0) 22.0 ppb (17) N/A 15.0 μg/m3 (14) 6.3 μg/m3 (26) 26.0
 
Jan. 26, 2020, 11 a.m. N/A N/A N/A 9.0 ppb (8) N/A 0.0 ppb (0) 22.0 ppb (17) N/A 15.0 μg/m3 (14) 9.6 μg/m3 (40) 40.0
 
Jan. 26, 2020, 10 a.m. N/A N/A N/A 8.0 ppb (7) N/A 0.0 ppb (0) N/A N/A N/A 8.0 μg/m3 (33) 33.0
 
Jan. 26, 2020, 9 a.m. N/A N/A N/A 10.0 ppb (9) N/A 0.0 ppb (0) 21.0 ppb (16) N/A 15.0 μg/m3 (14) 9.7 μg/m3 (40) 40.0
 
Jan. 26, 2020, 8 a.m. N/A N/A N/A 8.0 ppb (7) N/A 0.0 ppb (0) 21.0 ppb (16) N/A 12.0 μg/m3 (11) 6.8 μg/m3 (28) 28.0
 
Jan. 26, 2020, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 20.0 ppb (15) N/A 15.0 μg/m3 (14) 6.5 μg/m3 (27) 27.0
 
Jan. 26, 2020, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 18.0 ppb (14) N/A 6.0 μg/m3 (5) 16.9 μg/m3 (60) 60.0
 
Jan. 26, 2020, 5 a.m. N/A N/A N/A 12.0 ppb (11) N/A 0.0 ppb (0) 14.0 ppb (11) N/A 13.0 μg/m3 (12) 11.6 μg/m3 (48) 48.0
 
Jan. 26, 2020, 4 a.m. N/A N/A N/A 11.0 ppb (10) N/A 0.0 ppb (0) 14.0 ppb (11) N/A 11.0 μg/m3 (10) 10.7 μg/m3 (45) 45.0
 
Jan. 26, 2020, 3 a.m. N/A N/A N/A 10.0 ppb (9) N/A N/A 15.0 ppb (12) N/A 11.0 μg/m3 (10) 9.1 μg/m3 (38) 38.0
 
Jan. 26, 2020, 2 a.m. N/A N/A N/A 10.0 ppb (9) N/A 0.0 ppb (0) 15.0 ppb (12) N/A 15.0 μg/m3 (14) 9.0 μg/m3 (38) 38.0
 
Jan. 26, 2020, 1 a.m. N/A N/A N/A 12.0 ppb (11) N/A 0.0 ppb (0) 13.0 ppb (10) N/A 14.0 μg/m3 (13) 8.1 μg/m3 (34) 34.0
 
Jan. 26, 2020, midnight N/A N/A N/A 11.0 ppb (10) N/A 0.0 ppb (0) 15.0 ppb (12) N/A 13.0 μg/m3 (12) 7.0 μg/m3 (29) 29.0
 
Jan. 25, 2020, 11 p.m. N/A N/A N/A 12.0 ppb (11) N/A 0.0 ppb (0) 14.0 ppb (11) N/A 13.0 μg/m3 (12) N/A 12.0
 
Jan. 25, 2020, 10 p.m. N/A N/A N/A 10.0 ppb (9) N/A 0.0 ppb (0) 15.0 ppb (12) N/A N/A 8.8 μg/m3 (37) 37.0
 
Jan. 25, 2020, 9 p.m. N/A N/A N/A 10.0 ppb (9) N/A 0.0 ppb (0) 15.0 ppb (12) N/A 13.0 μg/m3 (12) 9.3 μg/m3 (39) 39.0
 
Jan. 25, 2020, 8 p.m. N/A N/A N/A 12.0 ppb (11) N/A 0.0 ppb (0) 13.0 ppb (10) N/A 13.0 μg/m3 (12) 8.4 μg/m3 (35) 35.0
 
Jan. 25, 2020, 7 p.m. N/A N/A N/A 9.0 ppb (8) N/A 0.0 ppb (0) 14.0 ppb (11) N/A 9.0 μg/m3 (8) 5.6 μg/m3 (23) 23.0
 
Jan. 25, 2020, 6 p.m. N/A N/A N/A 9.0 ppb (8) N/A 0.0 ppb (0) 13.0 ppb (10) N/A 7.0 μg/m3 (6) 4.0 μg/m3 (17) 17.0
 
Jan. 25, 2020, 5 p.m. N/A N/A N/A 11.0 ppb (10) N/A 0.0 ppb (0) 12.0 ppb (9) N/A 12.0 μg/m3 (11) 4.8 μg/m3 (20) 20.0
 
Jan. 25, 2020, 4 p.m. N/A N/A N/A 12.0 ppb (11) N/A 0.0 ppb (0) 10.0 ppb (8) N/A 13.0 μg/m3 (12) 4.2 μg/m3 (18) 18.0
 
Jan. 25, 2020, 3 p.m. N/A N/A N/A 13.0 ppb (12) N/A 0.0 ppb (0) 9.0 ppb (7) N/A N/A 2.8 μg/m3 (12) 12.0
 
Jan. 25, 2020, 2 p.m. N/A N/A N/A 14.0 ppb (13) N/A 0.0 ppb (0) 7.0 ppb (5) N/A 11.0 μg/m3 (10) 1.2 μg/m3 (5) 13.0
 
Jan. 25, 2020, 1 p.m. N/A N/A N/A 14.0 ppb (13) N/A 0.0 ppb (0) 6.0 ppb (5) N/A 8.0 μg/m3 (7) 4.0 μg/m3 (17) 17.0
 
Jan. 25, 2020, noon N/A N/A N/A 13.0 ppb (12) N/A 0.0 ppb (0) 6.0 ppb (5) N/A 11.0 μg/m3 (10) 2.6 μg/m3 (11) 12.0
 
Jan. 25, 2020, 11 a.m. N/A N/A N/A 12.0 ppb (11) N/A 0.0 ppb (0) 6.0 ppb (5) N/A 7.0 μg/m3 (6) 2.2 μg/m3 (9) 11.0
 
Jan. 25, 2020, 10 a.m. N/A N/A N/A 11.0 ppb (10) N/A 0.0 ppb (0) 8.0 ppb (6) N/A 10.0 μg/m3 (9) 5.7 μg/m3 (24) 24.0
 
Jan. 25, 2020, 9 a.m. N/A N/A N/A 9.0 ppb (8) N/A 0.0 ppb (0) 9.0 ppb (7) N/A 8.0 μg/m3 (7) 6.8 μg/m3 (28) 28.0
 
Jan. 25, 2020, 8 a.m. N/A N/A N/A 10.0 ppb (9) N/A 0.0 ppb (0) 9.0 ppb (7) N/A 10.0 μg/m3 (9) 9.7 μg/m3 (40) 40.0
 
Jan. 25, 2020, 7 a.m. N/A N/A N/A 8.0 ppb (7) N/A 0.0 ppb (0) 11.0 ppb (8) N/A 9.0 μg/m3 (8) 9.7 μg/m3 (40) 40.0
 
Jan. 25, 2020, 6 a.m. N/A N/A N/A 8.0 ppb (7) N/A 0.0 ppb (0) 13.0 ppb (10) N/A 8.0 μg/m3 (7) 8.2 μg/m3 (34) 34.0
 
Jan. 25, 2020, 5 a.m. N/A N/A N/A 9.0 ppb (8) N/A 0.0 ppb (0) 13.0 ppb (10) N/A 9.0 μg/m3 (8) 11.4 μg/m3 (48) 48.0
 
Jan. 25, 2020, 4 a.m. N/A N/A N/A 8.0 ppb (7) N/A 1.0 ppb (1) 14.0 ppb (11) N/A 14.0 μg/m3 (13) 11.7 μg/m3 (49) 49.0
 
Jan. 25, 2020, 3 a.m. N/A N/A N/A 10.0 ppb (9) N/A 0.0 ppb (0) 14.0 ppb (11) N/A 15.0 μg/m3 (14) 10.7 μg/m3 (45) 45.0
 
Jan. 25, 2020, 2 a.m. N/A N/A N/A 10.0 ppb (9) N/A 0.0 ppb (0) 12.0 ppb (9) N/A 8.0 μg/m3 (7) 11.2 μg/m3 (47) 47.0
 
Jan. 25, 2020, 1 a.m. N/A N/A N/A 16.0 ppb (15) N/A 0.0 ppb (0) 5.0 ppb (4) N/A 8.0 μg/m3 (7) 6.8 μg/m3 (28) 28.0
 
Jan. 25, 2020, midnight N/A N/A N/A 17.0 ppb (16) N/A 0.0 ppb (0) 6.0 ppb (5) N/A 7.0 μg/m3 (6) 5.2 μg/m3 (22) 22.0
 
Jan. 24, 2020, 11 p.m. N/A N/A N/A 21.0 ppb (19) N/A 1.0 ppb (1) 1.0 ppb (1) N/A 13.0 μg/m3 (12) N/A 19.0
 
Jan. 24, 2020, 10 p.m. N/A N/A N/A 21.0 ppb (19) N/A 0.0 ppb (0) 1.0 ppb (1) N/A 9.0 μg/m3 (8) 10.0 μg/m3 (42) 42.0
 
Jan. 24, 2020, 9 p.m. N/A N/A N/A 18.0 ppb (17) N/A 0.0 ppb (0) 4.0 ppb (3) N/A 9.0 μg/m3 (8) 9.5 μg/m3 (40) 40.0
 
Jan. 24, 2020, 8 p.m. N/A N/A N/A 14.0 ppb (13) N/A 0.0 ppb (0) 8.0 ppb (6) N/A 10.0 μg/m3 (9) 12.5 μg/m3 (51) 51.0
 
Jan. 24, 2020, 7 p.m. N/A N/A N/A 12.0 ppb (11) N/A 0.0 ppb (0) 10.0 ppb (8) N/A 9.0 μg/m3 (8) 8.7 μg/m3 (36) 36.0
 
Jan. 24, 2020, 6 p.m. N/A N/A N/A 12.0 ppb (11) N/A 0.0 ppb (0) 11.0 ppb (8) N/A 7.0 μg/m3 (6) 10.9 μg/m3 (45) 45.0
 
Jan. 24, 2020, 5 p.m. N/A N/A N/A 11.0 ppb (10) N/A 0.0 ppb (0) 13.0 ppb (10) N/A 14.0 μg/m3 (13) 9.8 μg/m3 (41) 41.0
 
Jan. 24, 2020, 4 p.m. N/A N/A N/A 12.0 ppb (11) N/A 1.0 ppb (1) 12.0 ppb (9) N/A 13.0 μg/m3 (12) 14.5 μg/m3 (55) 55.0
 
Jan. 24, 2020, 3 p.m. N/A N/A N/A 13.0 ppb (12) N/A 0.0 ppb (0) 11.0 ppb (8) N/A 15.0 μg/m3 (14) 12.0 μg/m3 (50) 50.0
 
Jan. 24, 2020, 2 p.m. N/A N/A N/A 13.0 ppb (12) N/A 0.0 ppb (0) 11.0 ppb (8) N/A 17.0 μg/m3 (15) 13.0 μg/m3 (52) 52.0
 
Jan. 24, 2020, 1 p.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) 11.8 μg/m3 (49) 49.0
 
Jan. 24, 2020, noon N/A N/A N/A 10.0 ppb (9) N/A 0.0 ppb (0) 14.0 ppb (11) N/A 18.0 μg/m3 (16) 11.2 μg/m3 (47) 47.0
 
Jan. 24, 2020, 11 a.m. N/A N/A N/A 11.0 ppb (10) N/A 0.0 ppb (0) 15.0 ppb (12) N/A 17.0 μg/m3 (15) 13.7 μg/m3 (54) 54.0
 
Jan. 24, 2020, 10 a.m. N/A N/A N/A 10.0 ppb (9) N/A 0.0 ppb (0) 17.0 ppb (13) N/A 6.0 μg/m3 (5) 12.0 μg/m3 (50) 50.0
 
Jan. 24, 2020, 9 a.m. N/A N/A N/A 8.0 ppb (7) N/A 0.0 ppb (0) 20.0 ppb (15) N/A 10.0 μg/m3 (9) 8.2 μg/m3 (34) 34.0
 
Jan. 24, 2020, 8 a.m. N/A N/A N/A 14.0 ppb (13) N/A 0.0 ppb (0) 15.0 ppb (12) N/A 18.0 μg/m3 (16) 10.8 μg/m3 (45) 45.0
 
Jan. 24, 2020, 7 a.m. N/A N/A N/A 11.0 ppb (10) N/A 1.0 ppb (1) 16.0 ppb (12) N/A 17.0 μg/m3 (15) 12.7 μg/m3 (51) 51.0
 
Jan. 24, 2020, 6 a.m. N/A N/A N/A 14.0 ppb (13) N/A 0.0 ppb (0) 14.0 ppb (11) N/A 11.0 μg/m3 (10) 10.0 μg/m3 (42) 42.0
 
Jan. 24, 2020, 5 a.m. N/A N/A N/A 13.0 ppb (12) N/A 0.0 ppb (0) 14.0 ppb (11) N/A 16.0 μg/m3 (15) 13.1 μg/m3 (52) 52.0
 
Jan. 24, 2020, 4 a.m. N/A N/A N/A 10.0 ppb (9) N/A 0.0 ppb (0) 18.0 ppb (14) N/A 14.0 μg/m3 (13) 15.4 μg/m3 (57) 57.0
 
Jan. 24, 2020, 3 a.m. N/A N/A N/A 19.0 ppb (18) N/A 1.0 ppb (1) 12.0 ppb (9) N/A 15.0 μg/m3 (14) 14.8 μg/m3 (56) 56.0
 
Jan. 24, 2020, 2 a.m. N/A N/A N/A 22.0 ppb (20) N/A 1.0 ppb (1) 8.0 ppb (6) N/A 17.0 μg/m3 (15) 13.9 μg/m3 (54) 54.0
 
Jan. 24, 2020, 1 a.m. N/A N/A N/A 14.0 ppb (13) N/A 1.0 ppb (1) 15.0 ppb (12) N/A 13.0 μg/m3 (12) 13.9 μg/m3 (54) 54.0
 
Jan. 24, 2020, midnight N/A N/A N/A 15.0 ppb (14) N/A 1.0 ppb (1) 13.0 ppb (10) N/A 15.0 μg/m3 (14) 11.0 μg/m3 (46) 46.0
 
Jan. 23, 2020, 11 p.m. N/A N/A N/A 15.0 ppb (14) N/A 1.0 ppb (1) 15.0 ppb (12) N/A 17.0 μg/m3 (15) N/A 15.0
 
Jan. 23, 2020, 10 p.m. N/A N/A N/A 10.0 ppb (9) N/A 1.0 ppb (1) 21.0 ppb (16) N/A 14.0 μg/m3 (13) 15.6 μg/m3 (58) 58.0
 
Jan. 23, 2020, 9 p.m. N/A N/A N/A 10.0 ppb (9) N/A 1.0 ppb (1) 20.0 ppb (15) N/A 15.0 μg/m3 (14) 10.3 μg/m3 (43) 43.0
 
Jan. 23, 2020, 8 p.m. N/A N/A N/A 9.0 ppb (8) N/A 1.0 ppb (1) 23.0 ppb (18) N/A 13.0 μg/m3 (12) 6.1 μg/m3 (25) 25.0
 
Jan. 23, 2020, 7 p.m. N/A N/A N/A 8.0 ppb (7) N/A 1.0 ppb (1) 25.0 ppb (19) N/A 14.0 μg/m3 (13) 6.2 μg/m3 (26) 26.0
 
Jan. 23, 2020, 6 p.m. N/A N/A N/A 6.0 ppb (6) N/A 1.0 ppb (1) 24.0 ppb (18) N/A 12.0 μg/m3 (11) 5.0 μg/m3 (21) 21.0
 
Jan. 23, 2020, 5 p.m. N/A N/A N/A 8.0 ppb (7) N/A 1.0 ppb (1) 22.0 ppb (17) N/A 14.0 μg/m3 (13) 6.1 μg/m3 (25) 25.0
 
Jan. 23, 2020, 4 p.m. N/A N/A N/A 9.0 ppb (8) N/A 1.0 ppb (1) 20.0 ppb (15) N/A 13.0 μg/m3 (12) 5.1 μg/m3 (21) 21.0
 
Jan. 23, 2020, 3 p.m. N/A N/A N/A 12.0 ppb (11) N/A 1.0 ppb (1) 16.0 ppb (12) N/A 16.0 μg/m3 (15) 7.6 μg/m3 (32) 32.0
 
Jan. 23, 2020, 2 p.m. N/A N/A N/A 12.0 ppb (11) N/A 1.0 ppb (1) 14.0 ppb (11) N/A 13.0 μg/m3 (12) 8.6 μg/m3 (36) 36.0
 
Jan. 23, 2020, 1 p.m. N/A N/A N/A 9.0 ppb (8) N/A 1.0 ppb (1) 17.0 ppb (13) N/A 10.0 μg/m3 (9) 6.5 μg/m3 (27) 27.0
 
Jan. 23, 2020, noon N/A N/A N/A 9.0 ppb (8) N/A 1.0 ppb (1) 18.0 ppb (14) N/A 14.0 μg/m3 (13) 7.1 μg/m3 (30) 30.0
 
Jan. 23, 2020, 11 a.m. N/A N/A N/A 8.0 ppb (7) N/A 1.0 ppb (1) 20.0 ppb (15) N/A 12.0 μg/m3 (11) 9.4 μg/m3 (39) 39.0
 
Jan. 23, 2020, 10 a.m. N/A N/A N/A 8.0 ppb (7) N/A 1.0 ppb (1) 23.0 ppb (18) N/A 13.0 μg/m3 (12) 9.2 μg/m3 (38) 38.0
 
Jan. 23, 2020, 9 a.m. N/A N/A N/A 7.0 ppb (6) N/A 1.0 ppb (1) 22.0 ppb (17) N/A 14.0 μg/m3 (13) 10.7 μg/m3 (45) 45.0
 
Jan. 23, 2020, 8 a.m. N/A N/A N/A 7.0 ppb (6) N/A 1.0 ppb (1) 22.0 ppb (17) N/A 11.0 μg/m3 (10) 7.5 μg/m3 (31) 31.0
 
Jan. 23, 2020, 7 a.m. N/A N/A N/A 7.0 ppb (6) N/A 1.0 ppb (1) 23.0 ppb (18) N/A 17.0 μg/m3 (15) 8.3 μg/m3 (35) 35.0
 
Jan. 23, 2020, 6 a.m. N/A N/A N/A 7.0 ppb (6) N/A 1.0 ppb (1) 21.0 ppb (16) N/A 15.0 μg/m3 (14) 7.1 μg/m3 (30) 30.0
 
Jan. 23, 2020, 5 a.m. N/A N/A N/A 6.0 ppb (6) N/A 1.0 ppb (1) 22.0 ppb (17) N/A 15.0 μg/m3 (14) 8.4 μg/m3 (35) 35.0
 
Jan. 23, 2020, 4 a.m. N/A N/A N/A 7.0 ppb (6) N/A 1.0 ppb (1) 22.0 ppb (17) N/A 10.0 μg/m3 (9) 8.9 μg/m3 (37) 37.0
 
Jan. 23, 2020, 3 a.m. N/A N/A N/A 6.0 ppb (6) N/A 1.0 ppb (1) 24.0 ppb (18) N/A 13.0 μg/m3 (12) 7.9 μg/m3 (33) 33.0
 
Jan. 23, 2020, 2 a.m. N/A N/A N/A 7.0 ppb (6) N/A 1.0 ppb (1) 23.0 ppb (18) N/A 13.0 μg/m3 (12) 9.7 μg/m3 (40) 40.0
 
Jan. 23, 2020, 1 a.m. N/A N/A N/A 7.0 ppb (6) N/A 1.0 ppb (1) 24.0 ppb (18) N/A 16.0 μg/m3 (15) 11.0 μg/m3 (46) 46.0
 
Jan. 23, 2020, midnight N/A N/A N/A 8.0 ppb (7) N/A 1.0 ppb (1) 24.0 ppb (18) N/A 12.0 μg/m3 (11) 9.7 μg/m3 (40) 40.0
 
Jan. 22, 2020, 11 p.m. N/A N/A N/A 8.0 ppb (7) N/A 1.0 ppb (1) 24.0 ppb (18) N/A 13.0 μg/m3 (12) N/A 18.0
 
Jan. 22, 2020, 10 p.m. N/A N/A N/A 8.0 ppb (7) N/A 1.0 ppb (1) 24.0 ppb (18) N/A 16.0 μg/m3 (15) 9.2 μg/m3 (38) 38.0
 
Jan. 22, 2020, 9 p.m. N/A N/A N/A 7.0 ppb (6) N/A 1.0 ppb (1) 25.0 ppb (19) N/A 16.0 μg/m3 (15) 12.3 μg/m3 (51) 51.0
 
Jan. 22, 2020, 8 p.m. N/A N/A N/A 8.0 ppb (7) N/A 1.0 ppb (1) 24.0 ppb (18) N/A 21.0 μg/m3 (19) 10.4 μg/m3 (43) 43.0
 
Jan. 22, 2020, 7 p.m. N/A N/A N/A 6.0 ppb (6) N/A 1.0 ppb (1) 24.0 ppb (18) N/A 14.0 μg/m3 (13) 8.9 μg/m3 (37) 37.0
 
Jan. 22, 2020, 6 p.m. N/A N/A N/A 8.0 ppb (7) N/A 1.0 ppb (1) 22.0 ppb (17) N/A 28.0 μg/m3 (25) 9.2 μg/m3 (38) 38.0
 
Jan. 22, 2020, 5 p.m. N/A N/A N/A 9.0 ppb (8) N/A 1.0 ppb (1) 21.0 ppb (16) N/A 31.0 μg/m3 (28) N/A 28.0
 
Jan. 22, 2020, 4 p.m. N/A N/A N/A 8.0 ppb (7) N/A 1.0 ppb (1) 22.0 ppb (17) N/A 22.0 μg/m3 (20) 36.0 μg/m3 (101) 101.0
 
Jan. 22, 2020, 3 p.m. N/A N/A N/A 8.0 ppb (7) N/A 1.0 ppb (1) 21.0 ppb (16) N/A 17.0 μg/m3 (15) 11.5 μg/m3 (48) 48.0
 
Jan. 22, 2020, 2 p.m. N/A N/A N/A 8.0 ppb (7) N/A 1.0 ppb (1) 20.0 ppb (15) N/A 13.0 μg/m3 (12) 13.2 μg/m3 (53) 53.0
 
Jan. 22, 2020, 1 p.m. N/A N/A N/A 9.0 ppb (8) N/A 1.0 ppb (1) 19.0 ppb (15) N/A 28.0 μg/m3 (25) 10.1 μg/m3 (42) 42.0
 
Jan. 22, 2020, noon N/A N/A N/A 9.0 ppb (8) N/A 1.0 ppb (1) 20.0 ppb (15) N/A 21.0 μg/m3 (19) 14.5 μg/m3 (55) 55.0
 
Jan. 22, 2020, 11 a.m. N/A N/A N/A 13.0 ppb (12) N/A 1.0 ppb (1) 15.0 ppb (12) N/A 9.0 μg/m3 (8) 11.2 μg/m3 (47) 47.0
 
Jan. 22, 2020, 10 a.m. N/A N/A N/A 9.0 ppb (8) N/A 1.0 ppb (1) 20.0 ppb (15) N/A 8.0 μg/m3 (7) 12.1 μg/m3 (50) 50.0
 
Jan. 22, 2020, 9 a.m. N/A N/A N/A 8.0 ppb (7) N/A 1.0 ppb (1) 20.0 ppb (15) N/A 8.0 μg/m3 (7) 10.0 μg/m3 (42) 42.0
 
Jan. 22, 2020, 8 a.m. N/A N/A N/A 9.0 ppb (8) N/A 1.0 ppb (1) 20.0 ppb (15) N/A 11.0 μg/m3 (10) 9.9 μg/m3 (41) 41.0
 
Jan. 22, 2020, 7 a.m. N/A N/A N/A 10.0 ppb (9) N/A 1.0 ppb (1) 19.0 ppb (15) N/A 9.0 μg/m3 (8) 15.0 μg/m3 (56) 56.0
 
Jan. 22, 2020, 6 a.m. N/A N/A N/A 6.0 ppb (6) N/A 1.0 ppb (1) 24.0 ppb (18) N/A 6.0 μg/m3 (5) 9.3 μg/m3 (39) 39.0
 
Jan. 22, 2020, 5 a.m. N/A N/A N/A 11.0 ppb (10) N/A 1.0 ppb (1) 22.0 ppb (17) N/A 10.0 μg/m3 (9) 11.3 μg/m3 (47) 47.0
 
Jan. 22, 2020, 4 a.m. N/A N/A N/A 10.0 ppb (9) N/A 0.0 ppb (0) 24.0 ppb (18) N/A 8.0 μg/m3 (7) 10.2 μg/m3 (42) 42.0
 
Jan. 22, 2020, 3 a.m. N/A N/A N/A 8.0 ppb (7) N/A 0.0 ppb (0) 26.0 ppb (20) N/A 10.0 μg/m3 (9) 9.7 μg/m3 (40) 40.0
 
Jan. 22, 2020, 2 a.m. N/A N/A N/A 19.0 ppb (18) N/A 1.0 ppb (1) 15.0 ppb (12) N/A 12.0 μg/m3 (11) 9.9 μg/m3 (41) 41.0
 
Jan. 22, 2020, 1 a.m. N/A N/A N/A 23.0 ppb (21) N/A 1.0 ppb (1) 12.0 ppb (9) N/A 14.0 μg/m3 (13) 5.6 μg/m3 (23) 23.0
 
Jan. 22, 2020, midnight N/A N/A N/A 19.0 ppb (18) N/A 1.0 ppb (1) 17.0 ppb (13) N/A 25.0 μg/m3 (23) 4.0 μg/m3 (17) 23.0
 
Jan. 21, 2020, 11 p.m. N/A N/A N/A 14.0 ppb (13) N/A 1.0 ppb (1) 24.0 ppb (18) N/A 13.0 μg/m3 (12) N/A 18.0
 
Jan. 21, 2020, 10 p.m. N/A N/A N/A 9.0 ppb (8) N/A 1.0 ppb (1) 31.0 ppb (24) N/A 8.0 μg/m3 (7) 3.6 μg/m3 (15) 24.0
 
Jan. 21, 2020, 9 p.m. N/A N/A N/A 5.0 ppb (5) N/A 1.0 ppb (1) 36.0 ppb (28) N/A 8.0 μg/m3 (7) 2.9 μg/m3 (12) 28.0
 
Jan. 21, 2020, 8 p.m. N/A N/A N/A 5.0 ppb (5) N/A 1.0 ppb (1) 37.0 ppb (28) N/A 11.0 μg/m3 (10) 2.8 μg/m3 (12) 28.0
 
Jan. 21, 2020, 7 p.m. N/A N/A N/A 4.0 ppb (4) N/A 1.0 ppb (1) 37.0 ppb (28) N/A 12.0 μg/m3 (11) 3.0 μg/m3 (12) 28.0
 
Jan. 21, 2020, 6 p.m. N/A N/A N/A 6.0 ppb (6) N/A 1.0 ppb (1) 35.0 ppb (27) N/A 23.0 μg/m3 (21) 5.4 μg/m3 (23) 27.0
 
Jan. 21, 2020, 5 p.m. N/A N/A N/A 11.0 ppb (10) N/A 1.0 ppb (1) 30.0 ppb (23) N/A 13.0 μg/m3 (12) 10.6 μg/m3 (44) 44.0
 
Jan. 21, 2020, 4 p.m. N/A N/A N/A 14.0 ppb (13) N/A 1.0 ppb (1) 26.0 ppb (20) N/A 15.0 μg/m3 (14) 11.4 μg/m3 (48) 48.0
 
Jan. 21, 2020, 3 p.m. N/A N/A N/A 25.0 ppb (23) N/A 1.0 ppb (1) 16.0 ppb (12) N/A 10.0 μg/m3 (9) 16.9 μg/m3 (60) 60.0
 
Jan. 21, 2020, 2 p.m. N/A N/A N/A 37.0 ppb (34) N/A 1.0 ppb (1) 5.0 ppb (4) N/A 13.0 μg/m3 (12) 17.1 μg/m3 (61) 61.0
 
Jan. 21, 2020, 1 p.m. N/A N/A N/A 43.0 ppb (40) N/A 1.0 ppb (1) 1.0 ppb (1) N/A 23.0 μg/m3 (21) 23.8 μg/m3 (75) 75.0
 
Jan. 21, 2020, noon N/A N/A N/A 43.0 ppb (40) N/A 1.0 ppb (1) 1.0 ppb (1) N/A 24.0 μg/m3 (22) 16.1 μg/m3 (59) 59.0
 
Jan. 21, 2020, 11 a.m. N/A N/A N/A 44.0 ppb (41) N/A 1.0 ppb (1) 1.0 ppb (1) N/A 25.0 μg/m3 (23) 22.0 μg/m3 (71) 71.0
 
Jan. 21, 2020, 10 a.m. N/A N/A N/A 43.0 ppb (40) N/A 1.0 ppb (1) 1.0 ppb (1) N/A 21.0 μg/m3 (19) 18.2 μg/m3 (63) 63.0
 
Jan. 21, 2020, 9 a.m. N/A N/A N/A 43.0 ppb (40) N/A 2.0 ppb (3) 1.0 ppb (1) N/A 26.0 μg/m3 (24) 17.8 μg/m3 (62) 62.0
 
Jan. 21, 2020, 8 a.m. N/A N/A N/A 43.0 ppb (40) N/A 2.0 ppb (3) 1.0 ppb (1) N/A 27.0 μg/m3 (25) 18.1 μg/m3 (63) 63.0
 
Jan. 21, 2020, 7 a.m. N/A N/A N/A 40.0 ppb (37) N/A 1.0 ppb (1) 6.0 ppb (5) N/A 28.0 μg/m3 (25) 21.6 μg/m3 (70) 70.0
 
Jan. 21, 2020, 6 a.m. N/A N/A N/A 27.0 ppb (25) N/A 2.0 ppb (3) 13.0 ppb (10) N/A 25.0 μg/m3 (23) 19.5 μg/m3 (66) 66.0
 
Jan. 21, 2020, 5 a.m. N/A N/A N/A 12.0 ppb (11) N/A 1.0 ppb (1) 25.0 ppb (19) N/A 12.0 μg/m3 (11) 10.3 μg/m3 (43) 43.0
 
Jan. 21, 2020, 4 a.m. N/A N/A N/A 5.0 ppb (5) N/A 1.0 ppb (1) 33.0 ppb (25) N/A 8.0 μg/m3 (7) 9.7 μg/m3 (40) 40.0
 
Jan. 21, 2020, 3 a.m. N/A N/A N/A 3.0 ppb (3) N/A 1.0 ppb (1) 36.0 ppb (28) N/A 5.0 μg/m3 (5) 4.8 μg/m3 (20) 28.0
 
Jan. 21, 2020, 2 a.m. N/A N/A N/A 3.0 ppb (3) N/A 1.0 ppb (1) 37.0 ppb (28) N/A 5.0 μg/m3 (5) 2.4 μg/m3 (10) 28.0
 
Jan. 21, 2020, 1 a.m. N/A N/A N/A 4.0 ppb (4) N/A 1.0 ppb (1) 36.0 ppb (28) N/A 4.0 μg/m3 (4) 1.2 μg/m3 (5) 28.0
 
Jan. 21, 2020, midnight N/A N/A N/A 10.0 ppb (9) N/A 1.0 ppb (1) 29.0 ppb (22) N/A 6.0 μg/m3 (5) 6.8 μg/m3 (28) 28.0
 
Jan. 20, 2020, 11 p.m. N/A N/A N/A 29.0 ppb (27) N/A 1.0 ppb (1) 3.0 ppb (2) N/A 14.0 μg/m3 (13) N/A 27.0
 
Jan. 20, 2020, 10 p.m. N/A N/A N/A 31.0 ppb (29) N/A 1.0 ppb (1) 3.0 ppb (2) N/A 18.0 μg/m3 (16) 12.0 μg/m3 (50) 50.0
 
Jan. 20, 2020, 9 p.m. N/A N/A N/A 27.0 ppb (25) N/A 1.0 ppb (1) 7.0 ppb (5) N/A 21.0 μg/m3 (19) 8.4 μg/m3 (35) 35.0
 
Jan. 20, 2020, 8 p.m. N/A N/A N/A 16.0 ppb (15) N/A 1.0 ppb (1) 20.0 ppb (15) N/A 15.0 μg/m3 (14) 6.0 μg/m3 (25) 25.0