AQSQID: 300870001

Site Name: Birney

Location: Rosebud Co, MT

Reporting: True, Located: True

Current AQI: 28.0

Rosebud Co MT, US: 45.366151, -106.48982

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
July 15, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A 10.0 μg/m3 (9) -2.0 μg/m3 (0) 28.0
 
July 15, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A 13.0 μg/m3 (12) 2.2 μg/m3 (9) 26.0
 
July 15, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A 8.0 μg/m3 (7) 1.9 μg/m3 (8) 24.0
 
July 15, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A 12.0 μg/m3 (11) 4.1 μg/m3 (17) 19.0
 
July 15, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A 12.0 μg/m3 (11) 6.1 μg/m3 (25) 25.0
 
July 15, 2019, noon N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A 11.0 μg/m3 (10) 8.7 μg/m3 (36) 36.0
 
July 15, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (10) N/A 11.0 μg/m3 (10) 7.5 μg/m3 (31) 31.0
 
July 15, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A 4.0 μg/m3 (4) 5.0 μg/m3 (21) 21.0
 
July 15, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A 2.0 μg/m3 (2) 0.7 μg/m3 (3) 17.0
 
July 15, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A 0.0 μg/m3 (0) 5.2 μg/m3 (22) 22.0
 
July 15, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A N/A 1.9 μg/m3 (8) 21.0
 
July 15, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A 7.0 μg/m3 (6) 3.6 μg/m3 (15) 25.0
 
July 15, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A 13.0 μg/m3 (12) -0.8 μg/m3 (0) 25.0
 
July 15, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A 14.0 μg/m3 (13) 4.7 μg/m3 (20) 20.0
 
July 15, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A 22.0 μg/m3 (20) -2.8 μg/m3 (0) 22.0
 
July 15, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A 39.0 μg/m3 (35) 4.9 μg/m3 (20) 35.0
 
July 15, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A 28.0 μg/m3 (25) 11.7 μg/m3 (49) 49.0
 
July 15, 2019, midnight N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A 1.0 μg/m3 (1) 3.7 μg/m3 (15) 28.0
 
July 14, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A N/A -0.9 μg/m3 (0) 30.0
 
July 14, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A 1.0 μg/m3 (1) -2.4 μg/m3 (0) 32.0
 
July 14, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A N/A -1.6 μg/m3 (0) 31.0
 
July 14, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A 0.0 μg/m3 (0) 9.5 μg/m3 (40) 40.0
 
July 14, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A 0.0 μg/m3 (0) 25.5 μg/m3 (79) 79.0
 
July 14, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A N/A -9.3 μg/m3 (0) 28.0
 
July 14, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A N/A N/A 27.0
 
July 14, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A N/A N/A 25.0
 
July 14, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A N/A N/A 21.0
 
July 14, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A N/A N/A 16.0
 
July 14, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A N/A N/A 12.0
 
July 14, 2019, noon N/A N/A N/A N/A N/A N/A 13.0 ppb (10) N/A N/A N/A 10.0
 
July 14, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (10) N/A N/A N/A 10.0
 
July 14, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A N/A N/A 11.0
 
July 14, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A N/A N/A 12.0
 
July 14, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A 17.0 μg/m3 (15) 4.4 μg/m3 (18) 27.0
 
July 14, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A 30.0 μg/m3 (27) 6.7 μg/m3 (28) 28.0
 
July 14, 2019, midnight N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A 26.0 μg/m3 (24) 7.0 μg/m3 (29) 34.0
 
July 13, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A 18.0 μg/m3 (16) 7.4 μg/m3 (31) 35.0
 
July 13, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A 16.0 μg/m3 (15) 1.2 μg/m3 (5) 34.0
 
July 13, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A 21.0 μg/m3 (19) 4.6 μg/m3 (19) 33.0
 
July 13, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A 16.0 μg/m3 (15) 4.6 μg/m3 (19) 31.0
 
July 13, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A 10.0 μg/m3 (9) -3.6 μg/m3 (0) 28.0
 
July 13, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A 9.0 μg/m3 (8) 0.2 μg/m3 (1) 25.0
 
July 13, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A 7.0 μg/m3 (6) 0.2 μg/m3 (1) 25.0
 
July 13, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A 10.0 μg/m3 (9) 0.9 μg/m3 (4) 21.0
 
July 13, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A 15.0 μg/m3 (14) 3.9 μg/m3 (16) 16.0
 
July 13, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A 12.0 μg/m3 (11) 7.2 μg/m3 (30) 30.0
 
July 13, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (10) N/A 3.0 μg/m3 (3) 0.2 μg/m3 (1) 10.0
 
July 13, 2019, noon N/A N/A N/A N/A N/A N/A 8.0 ppb (6) N/A 6.0 μg/m3 (5) 3.1 μg/m3 (13) 13.0
 
July 13, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (7) N/A 17.0 μg/m3 (15) 10.6 μg/m3 (44) 44.0
 
July 13, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) N/A 19.0 μg/m3 (17) 11.0 μg/m3 (46) 46.0
 
July 13, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A 11.0 μg/m3 (10) 4.8 μg/m3 (20) 20.0
 
July 13, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A 18.0 μg/m3 (16) 8.3 μg/m3 (35) 35.0
 
July 13, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A 4.0 μg/m3 (4) -5.7 μg/m3 (0) 18.0
 
July 13, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A 12.0 μg/m3 (11) N/A 19.0
 
July 13, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A 39.0 μg/m3 (35) 30.5 μg/m3 (89) 89.0
 
July 13, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A 33.0 μg/m3 (30) 23.9 μg/m3 (75) 75.0
 
July 13, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A 33.0 μg/m3 (30) 15.3 μg/m3 (57) 57.0
 
July 13, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A 31.0 μg/m3 (28) 10.6 μg/m3 (44) 44.0
 
July 13, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A 19.0 μg/m3 (17) 10.3 μg/m3 (43) 43.0
 
July 13, 2019, midnight N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A 22.0 μg/m3 (20) 11.5 μg/m3 (48) 48.0
 
July 12, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A 19.0 μg/m3 (17) 9.3 μg/m3 (39) 39.0
 
July 12, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A 19.0 μg/m3 (17) 4.2 μg/m3 (18) 27.0
 
July 12, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A 14.0 μg/m3 (13) 2.3 μg/m3 (10) 33.0
 
July 12, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A 13.0 μg/m3 (12) 3.0 μg/m3 (12) 33.0
 
July 12, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A 24.0 μg/m3 (22) 3.1 μg/m3 (13) 33.0
 
July 12, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A 15.0 μg/m3 (14) 3.3 μg/m3 (14) 26.0
 
July 12, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A 15.0 μg/m3 (14) 5.1 μg/m3 (21) 22.0
 
July 12, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A 9.0 μg/m3 (8) 3.0 μg/m3 (12) 22.0
 
July 12, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A 17.0 μg/m3 (15) 7.7 μg/m3 (32) 32.0
 
July 12, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A 22.0 μg/m3 (20) 2.6 μg/m3 (11) 20.0
 
July 12, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) N/A 11.0 μg/m3 (10) 4.9 μg/m3 (20) 20.0
 
July 12, 2019, noon N/A N/A N/A N/A N/A N/A 10.0 ppb (8) N/A 17.0 μg/m3 (15) 8.1 μg/m3 (34) 34.0
 
July 12, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (7) N/A 18.0 μg/m3 (16) 8.5 μg/m3 (35) 35.0
 
July 12, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (10) N/A 16.0 μg/m3 (15) 13.6 μg/m3 (53) 53.0
 
July 12, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A 17.0 μg/m3 (15) 11.8 μg/m3 (49) 49.0
 
July 12, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A 17.0 μg/m3 (15) 3.3 μg/m3 (14) 15.0
 
July 12, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A 17.0 μg/m3 (15) 10.2 μg/m3 (42) 42.0
 
July 12, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A 19.0 μg/m3 (17) 2.7 μg/m3 (11) 22.0
 
July 12, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A 17.0 μg/m3 (15) N/A 24.0
 
July 12, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A 28.0 μg/m3 (25) 4.4 μg/m3 (18) 25.0
 
July 12, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A 53.0 μg/m3 (48) 10.7 μg/m3 (45) 48.0
 
July 12, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A 53.0 μg/m3 (48) 28.3 μg/m3 (85) 85.0
 
July 12, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A 31.0 μg/m3 (28) 8.7 μg/m3 (36) 36.0
 
July 12, 2019, midnight N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A 21.0 μg/m3 (19) 9.3 μg/m3 (39) 39.0
 
July 11, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A 23.0 μg/m3 (21) 8.8 μg/m3 (37) 37.0
 
July 11, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A 40.0 μg/m3 (36) 8.9 μg/m3 (37) 37.0
 
July 11, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (39) N/A 26.0 μg/m3 (24) 6.7 μg/m3 (28) 39.0
 
July 11, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A 18.0 μg/m3 (16) 6.4 μg/m3 (27) 32.0
 
July 11, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A 11.0 μg/m3 (10) 3.0 μg/m3 (12) 30.0
 
July 11, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A 18.0 μg/m3 (16) 1.2 μg/m3 (5) 31.0
 
July 11, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A 31.0 μg/m3 (28) 4.7 μg/m3 (20) 28.0
 
July 11, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A 50.0 μg/m3 (45) 5.3 μg/m3 (22) 45.0
 
July 11, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A 42.0 μg/m3 (38) 5.8 μg/m3 (24) 38.0
 
July 11, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A 20.0 μg/m3 (18) 2.0 μg/m3 (8) 18.0
 
July 11, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A 15.0 μg/m3 (14) 3.5 μg/m3 (15) 15.0
 
July 11, 2019, noon N/A N/A N/A N/A N/A N/A 12.0 ppb (9) N/A 14.0 μg/m3 (13) 7.4 μg/m3 (31) 31.0
 
July 11, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (8) N/A 12.0 μg/m3 (11) 4.7 μg/m3 (20) 20.0
 
July 11, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (6) N/A 15.0 μg/m3 (14) 9.7 μg/m3 (40) 40.0
 
July 11, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (5) N/A 20.0 μg/m3 (18) 9.5 μg/m3 (40) 40.0
 
July 11, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) N/A 17.0 μg/m3 (15) 4.3 μg/m3 (18) 18.0
 
July 11, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) N/A 10.0 μg/m3 (9) N/A 9.0
 
July 11, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) N/A 16.0 μg/m3 (15) 13.2 μg/m3 (53) 53.0
 
July 11, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) N/A 23.0 μg/m3 (21) 12.7 μg/m3 (51) 51.0
 
July 11, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (10) N/A 49.0 μg/m3 (45) 18.5 μg/m3 (64) 64.0
 
July 11, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A 43.0 μg/m3 (39) 12.6 μg/m3 (51) 51.0
 
July 11, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A 44.0 μg/m3 (40) 10.5 μg/m3 (44) 44.0
 
July 11, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A 19.0 μg/m3 (17) 4.8 μg/m3 (20) 32.0
 
July 11, 2019, midnight N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A 24.0 μg/m3 (22) 1.3 μg/m3 (5) 33.0
 
July 10, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A 29.0 μg/m3 (26) 12.2 μg/m3 (50) 50.0
 
July 10, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A 24.0 μg/m3 (22) 4.1 μg/m3 (17) 31.0
 
July 10, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A N/A N/A 32.0
 
July 10, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A 19.0 μg/m3 (17) 1.1 μg/m3 (5) 32.0
 
July 10, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A 18.0 μg/m3 (16) 1.4 μg/m3 (6) 31.0
 
July 10, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A 8.0 μg/m3 (7) -1.4 μg/m3 (0) 30.0
 
July 10, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A 8.0 μg/m3 (7) -2.2 μg/m3 (0) 28.0
 
July 10, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A 4.0 μg/m3 (4) -0.1 μg/m3 (0) 24.0
 
July 10, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A 3.0 μg/m3 (3) 1.6 μg/m3 (7) 19.0
 
July 10, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A 6.0 μg/m3 (5) 3.9 μg/m3 (16) 16.0
 
July 10, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A 7.0 μg/m3 (6) 4.4 μg/m3 (18) 18.0
 
July 10, 2019, noon N/A N/A N/A N/A N/A N/A 11.0 ppb (8) N/A 9.0 μg/m3 (8) 4.7 μg/m3 (20) 20.0
 
July 10, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (7) N/A 11.0 μg/m3 (10) 6.2 μg/m3 (26) 26.0
 
July 10, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (6) N/A 15.0 μg/m3 (14) 4.4 μg/m3 (18) 18.0
 
July 10, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (5) N/A 11.0 μg/m3 (10) 8.8 μg/m3 (37) 37.0
 
July 10, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A 11.0 μg/m3 (10) 9.7 μg/m3 (40) 40.0
 
July 10, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A 10.0 μg/m3 (9) 5.5 μg/m3 (23) 23.0
 
July 10, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) N/A 9.0 μg/m3 (8) 4.8 μg/m3 (20) 20.0
 
July 10, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (7) N/A 13.0 μg/m3 (12) 5.2 μg/m3 (22) 22.0
 
July 10, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (10) N/A 15.0 μg/m3 (14) 4.8 μg/m3 (20) 20.0
 
July 10, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A 14.0 μg/m3 (13) 10.5 μg/m3 (44) 44.0
 
July 10, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A 8.0 μg/m3 (7) 7.4 μg/m3 (31) 31.0
 
July 10, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A 9.0 μg/m3 (8) 6.5 μg/m3 (27) 27.0
 
July 10, 2019, midnight N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A 7.0 μg/m3 (6) 4.2 μg/m3 (18) 27.0
 
July 9, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A 7.0 μg/m3 (6) 0.4 μg/m3 (2) 28.0
 
July 9, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A 8.0 μg/m3 (7) 2.1 μg/m3 (9) 31.0
 
July 9, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A 14.0 μg/m3 (13) 10.4 μg/m3 (43) 43.0
 
July 9, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A 9.0 μg/m3 (8) 3.8 μg/m3 (16) 29.0
 
July 9, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A 10.0 μg/m3 (9) 1.2 μg/m3 (5) 32.0
 
July 9, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A 7.0 μg/m3 (6) 1.8 μg/m3 (8) 31.0
 
July 9, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A 8.0 μg/m3 (7) 2.1 μg/m3 (9) 31.0
 
July 9, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A 12.0 μg/m3 (11) 1.3 μg/m3 (5) 28.0
 
July 9, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A 13.0 μg/m3 (12) 2.6 μg/m3 (11) 28.0
 
July 9, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (6) 2.8 μg/m3 (12) 12.0
 
July 9, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (3) 1.9 μg/m3 (8) 8.0
 
July 9, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (9) 6.9 μg/m3 (29) 29.0
 
July 9, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A 11.0 μg/m3 (10) 7.0 μg/m3 (29) 29.0
 
July 9, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A 8.0 μg/m3 (7) 4.9 μg/m3 (20) 20.0
 
July 9, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A 10.0 μg/m3 (9) 5.0 μg/m3 (21) 21.0
 
July 9, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A 12.0 μg/m3 (11) 8.4 μg/m3 (35) 35.0
 
July 9, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A 15.0 μg/m3 (14) 11.2 μg/m3 (47) 47.0
 
July 9, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A 5.0 μg/m3 (5) -1.1 μg/m3 (0) 20.0
 
July 9, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A 7.0 μg/m3 (6) -1.6 μg/m3 (0) 19.0
 
July 9, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A 4.0 μg/m3 (4) 4.1 μg/m3 (17) 24.0
 
July 9, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A 8.0 μg/m3 (7) 3.6 μg/m3 (15) 28.0
 
July 9, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A 44.0 μg/m3 (40) 14.8 μg/m3 (56) 56.0
 
July 9, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A 43.0 μg/m3 (39) 12.1 μg/m3 (50) 50.0
 
July 9, 2019, midnight N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A 15.0 μg/m3 (14) 6.9 μg/m3 (29) 33.0
 
July 8, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A 12.0 μg/m3 (11) 3.4 μg/m3 (14) 35.0
 
July 8, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A 9.0 μg/m3 (8) 2.4 μg/m3 (10) 35.0
 
July 8, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A 14.0 μg/m3 (13) 1.3 μg/m3 (5) 35.0
 
July 8, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A 25.0 μg/m3 (23) 3.3 μg/m3 (14) 35.0
 
July 8, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A 17.0 μg/m3 (15) 2.9 μg/m3 (12) 36.0
 
July 8, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (37) N/A 17.0 μg/m3 (15) 1.3 μg/m3 (5) 37.0
 
July 8, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A 15.0 μg/m3 (14) 3.5 μg/m3 (15) 34.0
 
July 8, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A 16.0 μg/m3 (15) 0.2 μg/m3 (1) 31.0
 
July 8, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A 16.0 μg/m3 (15) 3.6 μg/m3 (15) 29.0
 
July 8, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A 21.0 μg/m3 (19) 2.7 μg/m3 (11) 24.0
 
July 8, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A 13.0 μg/m3 (12) 5.6 μg/m3 (23) 23.0
 
July 8, 2019, noon N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A 9.0 μg/m3 (8) 4.6 μg/m3 (19) 19.0