AQSQID: 560330006

Site Name: Sheridan Mobile

Location: Sheridan, WY

Reporting: False, Located: True

Current AQI: None

Sheridan WY, US: 44.80353, -106.961763

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Sept. 18, 2018, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
Sept. 18, 2018, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
Sept. 18, 2018, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
Sept. 18, 2018, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
Sept. 18, 2018, 2 p.m. 14.4 ppb (13) 4.8 ppb (4) N/A 10.0 ppb (9) N/A 0.0 ppb (0) 6.0 ppb (5) N/A N/A N/A 13.0
 
Sept. 18, 2018, 1 p.m. 12.1 ppb (11) 2.2 ppb (2) N/A 10.0 ppb (9) N/A 1.0 ppb (1) 4.0 ppb (3) N/A 17.0 μg/m3 (15) -1.0 μg/m3 (0) 15.0
 
Sept. 18, 2018, noon 3.3 ppb (3) 0.3 ppb (0) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 7.0 ppb (5) N/A 9.0 μg/m3 (8) -4.0 μg/m3 (0) 8.0
 
Sept. 18, 2018, 11 a.m. 2.8 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 7.0 ppb (5) N/A 4.0 μg/m3 (4) 1.0 μg/m3 (4) 5.0
 
Sept. 18, 2018, 10 a.m. 1.3 ppb (1) -0.1 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 10.0 ppb (8) N/A 6.0 μg/m3 (5) 3.0 μg/m3 (12) 12.0
 
Sept. 18, 2018, 9 a.m. 1.9 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 10.0 ppb (8) N/A 7.0 μg/m3 (6) 4.0 μg/m3 (17) 17.0
 
Sept. 18, 2018, 8 a.m. 1.8 ppb (2) -0.1 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 16.0 ppb (12) N/A 6.0 μg/m3 (5) 3.0 μg/m3 (12) 12.0
 
Sept. 18, 2018, 7 a.m. 1.4 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 19.0 ppb (15) N/A 10.0 μg/m3 (9) 2.0 μg/m3 (8) 15.0
 
Sept. 18, 2018, 6 a.m. 1.4 ppb (1) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 18.0 ppb (14) N/A 12.0 μg/m3 (11) 2.0 μg/m3 (8) 14.0
 
Sept. 18, 2018, 5 a.m. 1.8 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 21.0 ppb (16) N/A 13.0 μg/m3 (12) 3.0 μg/m3 (12) 16.0
 
Sept. 18, 2018, 4 a.m. 3.6 ppb (3) 0.0 ppb (0) N/A 4.0 ppb (4) N/A 1.0 ppb (1) 21.0 ppb (16) N/A 17.0 μg/m3 (15) 5.0 μg/m3 (21) 21.0
 
Sept. 18, 2018, 3 a.m. 6.8 ppb (6) 0.2 ppb (0) N/A 7.0 ppb (6) N/A 1.0 ppb (1) 24.0 ppb (18) N/A 19.0 μg/m3 (17) 6.0 μg/m3 (25) 25.0
 
Sept. 18, 2018, 2 a.m. 8.9 ppb (8) 1.2 ppb (1) N/A 8.0 ppb (7) N/A 1.0 ppb (1) 30.0 ppb (23) N/A 28.0 μg/m3 (25) 5.0 μg/m3 (21) 25.0
 
Sept. 18, 2018, 1 a.m. 5.3 ppb (5) 0.9 ppb (1) N/A 4.0 ppb (4) N/A 1.0 ppb (1) 37.0 ppb (28) N/A 20.0 μg/m3 (18) 5.0 μg/m3 (21) 28.0
 
Sept. 18, 2018, midnight 3.3 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 40.0 ppb (31) N/A 23.0 μg/m3 (21) 6.0 μg/m3 (25) 31.0
 
Sept. 17, 2018, 11 p.m. 2.8 ppb (3) 0.7 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 39.0 ppb (30) N/A 24.0 μg/m3 (22) 6.0 μg/m3 (25) 30.0
 
Sept. 17, 2018, 10 p.m. 2.4 ppb (2) 0.6 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 37.0 ppb (28) N/A 21.0 μg/m3 (19) 5.0 μg/m3 (21) 28.0
 
Sept. 17, 2018, 9 p.m. 1.4 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 36.0 ppb (28) N/A 19.0 μg/m3 (17) 4.0 μg/m3 (17) 28.0
 
Sept. 17, 2018, 8 p.m. 1.4 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 35.0 ppb (27) N/A 18.0 μg/m3 (16) 5.0 μg/m3 (21) 27.0
 
Sept. 17, 2018, 7 p.m. 2.0 ppb (2) 0.4 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 33.0 ppb (25) N/A 20.0 μg/m3 (18) 5.0 μg/m3 (21) 25.0
 
Sept. 17, 2018, 6 p.m. 1.8 ppb (2) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 30.0 ppb (23) N/A 19.0 μg/m3 (17) 1.0 μg/m3 (4) 23.0
 
Sept. 17, 2018, 5 p.m. 1.8 ppb (2) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 27.0 ppb (21) N/A 9.0 μg/m3 (8) 0.0 μg/m3 (0) 21.0
 
Sept. 17, 2018, 4 p.m. 2.3 ppb (2) 0.6 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 26.0 ppb (20) N/A 8.0 μg/m3 (7) 3.0 μg/m3 (12) 20.0
 
Sept. 17, 2018, 3 p.m. 2.8 ppb (3) 0.8 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 25.0 ppb (19) N/A 11.0 μg/m3 (10) 4.0 μg/m3 (17) 19.0
 
Sept. 17, 2018, 2 p.m. 3.8 ppb (4) 0.8 ppb (1) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 26.0 ppb (20) N/A 13.0 μg/m3 (12) 5.0 μg/m3 (21) 21.0
 
Sept. 17, 2018, 1 p.m. 1.9 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 28.0 ppb (22) N/A 10.0 μg/m3 (9) 5.0 μg/m3 (21) 22.0
 
Sept. 17, 2018, noon 1.9 ppb (2) -0.1 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 13.0 ppb (10) N/A 5.0 μg/m3 (5) 4.0 μg/m3 (17) 17.0
 
Sept. 17, 2018, 11 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 11.0 ppb (8) N/A 7.0 μg/m3 (6) 1.0 μg/m3 (4) 8.0
 
Sept. 17, 2018, 10 a.m. 1.2 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 15.0 ppb (12) N/A 8.0 μg/m3 (7) 1.0 μg/m3 (4) 12.0
 
Sept. 17, 2018, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (7) 0.0 μg/m3 (0) 7.0
 
Sept. 17, 2018, 8 a.m. 1.3 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 18.0 ppb (14) N/A 12.0 μg/m3 (11) 1.0 μg/m3 (4) 14.0
 
Sept. 17, 2018, 7 a.m. 1.5 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 19.0 ppb (15) N/A 11.0 μg/m3 (10) 2.0 μg/m3 (8) 15.0
 
Sept. 17, 2018, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (8) 0.0 μg/m3 (0) 8.0
 
Sept. 17, 2018, 5 a.m. 2.8 ppb (3) 0.1 ppb (0) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 31.0 ppb (24) N/A 7.0 μg/m3 (6) 2.0 μg/m3 (8) 24.0
 
Sept. 17, 2018, 4 a.m. 17.8 ppb (16) 2.1 ppb (2) N/A 16.0 ppb (15) N/A 1.0 ppb (1) 17.0 ppb (13) N/A 20.0 μg/m3 (18) 6.0 μg/m3 (25) 25.0
 
Sept. 17, 2018, 3 a.m. 15.4 ppb (14) 1.8 ppb (2) N/A 14.0 ppb (13) N/A 1.0 ppb (1) 20.0 ppb (15) N/A 29.0 μg/m3 (26) 9.0 μg/m3 (38) 38.0
 
Sept. 17, 2018, 2 a.m. 12.1 ppb (11) 1.7 ppb (2) N/A 10.0 ppb (9) N/A 1.0 ppb (1) 26.0 ppb (20) N/A 34.0 μg/m3 (31) 10.0 μg/m3 (42) 42.0
 
Sept. 17, 2018, 1 a.m. 3.2 ppb (3) 0.5 ppb (0) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 37.0 ppb (28) N/A 60.0 μg/m3 (52) 10.0 μg/m3 (42) 52.0
 
Sept. 17, 2018, midnight 3.4 ppb (3) 0.8 ppb (1) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 36.0 ppb (28) N/A 32.0 μg/m3 (29) 10.0 μg/m3 (42) 42.0
 
Sept. 16, 2018, 11 p.m. 2.0 ppb (2) 0.5 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 36.0 ppb (28) N/A 30.0 μg/m3 (27) 11.0 μg/m3 (46) 46.0
 
Sept. 16, 2018, 10 p.m. 1.9 ppb (2) 0.4 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 35.0 ppb (27) N/A 35.0 μg/m3 (32) 11.0 μg/m3 (46) 46.0
 
Sept. 16, 2018, 9 p.m. 1.4 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 37.0 ppb (28) N/A 28.0 μg/m3 (25) 9.0 μg/m3 (38) 38.0
 
Sept. 16, 2018, 8 p.m. 1.7 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 37.0 ppb (28) N/A 27.0 μg/m3 (25) 8.0 μg/m3 (33) 33.0
 
Sept. 16, 2018, 7 p.m. 1.8 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 38.0 ppb (29) N/A 20.0 μg/m3 (18) 8.0 μg/m3 (33) 33.0
 
Sept. 16, 2018, 6 p.m. 1.7 ppb (2) 0.1 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 33.0 ppb (25) N/A 19.0 μg/m3 (17) 4.0 μg/m3 (17) 25.0
 
Sept. 16, 2018, 5 p.m. 1.6 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 30.0 ppb (23) N/A N/A 2.0 μg/m3 (8) 23.0
 
Sept. 16, 2018, 4 p.m. 2.4 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 23.0 ppb (18) N/A N/A 4.0 μg/m3 (17) 18.0
 
Sept. 16, 2018, 3 p.m. 2.5 ppb (2) 0.1 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 17.0 ppb (13) N/A N/A 5.0 μg/m3 (21) 21.0
 
Sept. 16, 2018, 2 p.m. 1.6 ppb (1) -0.1 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 19.0 ppb (15) N/A N/A 5.0 μg/m3 (21) 21.0
 
Sept. 16, 2018, 1 p.m. 1.3 ppb (1) -0.1 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 24.0 ppb (18) N/A N/A 6.0 μg/m3 (25) 25.0
 
Sept. 16, 2018, noon 1.5 ppb (1) -0.1 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 26.0 ppb (20) N/A N/A 6.0 μg/m3 (25) 25.0
 
Sept. 16, 2018, 11 a.m. 1.2 ppb (1) -0.1 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 27.0 ppb (21) N/A N/A 6.0 μg/m3 (25) 25.0
 
Sept. 16, 2018, 10 a.m. 1.1 ppb (1) -0.2 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 24.0 ppb (18) N/A N/A 5.0 μg/m3 (21) 21.0
 
Sept. 16, 2018, 9 a.m. 0.6 ppb (1) -0.2 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 23.0 ppb (18) N/A 24.0 μg/m3 (22) 5.0 μg/m3 (21) 22.0
 
Sept. 16, 2018, 8 a.m. 1.6 ppb (1) -0.1 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 23.0 ppb (18) N/A 31.0 μg/m3 (28) 6.0 μg/m3 (25) 28.0
 
Sept. 16, 2018, 7 a.m. 3.4 ppb (3) -0.1 ppb (0) N/A 4.0 ppb (4) N/A 1.0 ppb (1) 13.0 ppb (10) N/A 16.0 μg/m3 (15) 6.0 μg/m3 (25) 25.0
 
Sept. 16, 2018, 6 a.m. 3.2 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 16.0 ppb (12) N/A 17.0 μg/m3 (15) 8.0 μg/m3 (33) 33.0
 
Sept. 16, 2018, 5 a.m. 2.1 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 17.0 ppb (13) N/A 20.0 μg/m3 (18) 10.0 μg/m3 (42) 42.0
 
Sept. 16, 2018, 4 a.m. 3.9 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A 1.0 ppb (1) 18.0 ppb (14) N/A 24.0 μg/m3 (22) 9.0 μg/m3 (38) 38.0
 
Sept. 16, 2018, 3 a.m. 3.9 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A 1.0 ppb (1) 23.0 ppb (18) N/A 30.0 μg/m3 (27) 9.0 μg/m3 (38) 38.0
 
Sept. 16, 2018, 2 a.m. 4.4 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A 1.0 ppb (1) 30.0 ppb (23) N/A 27.0 μg/m3 (25) 7.0 μg/m3 (29) 29.0
 
Sept. 16, 2018, 1 a.m. 2.3 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 39.0 ppb (30) N/A 29.0 μg/m3 (26) 9.0 μg/m3 (38) 38.0
 
Sept. 16, 2018, midnight 2.3 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 40.0 ppb (31) N/A 26.0 μg/m3 (24) 10.0 μg/m3 (42) 42.0
 
Sept. 15, 2018, 11 p.m. 2.8 ppb (3) 0.1 ppb (0) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 39.0 ppb (30) N/A 27.0 μg/m3 (25) 9.0 μg/m3 (38) 38.0
 
Sept. 15, 2018, 10 p.m. 3.6 ppb (3) 0.4 ppb (0) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 35.0 ppb (27) N/A 30.0 μg/m3 (27) 8.0 μg/m3 (33) 33.0
 
Sept. 15, 2018, 9 p.m. 2.8 ppb (3) 0.3 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 30.0 ppb (23) N/A 25.0 μg/m3 (23) 8.0 μg/m3 (33) 33.0
 
Sept. 15, 2018, 8 p.m. 2.5 ppb (2) 0.4 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 27.0 ppb (21) N/A 20.0 μg/m3 (18) 5.0 μg/m3 (21) 21.0
 
Sept. 15, 2018, 7 p.m. 3.0 ppb (3) 0.8 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 26.0 ppb (20) N/A 20.0 μg/m3 (18) 5.0 μg/m3 (21) 21.0
 
Sept. 15, 2018, 6 p.m. 2.7 ppb (3) 0.6 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 24.0 ppb (18) N/A 24.0 μg/m3 (22) 5.0 μg/m3 (21) 22.0
 
Sept. 15, 2018, 5 p.m. 4.2 ppb (4) 0.7 ppb (1) N/A 4.0 ppb (4) N/A 1.0 ppb (1) 20.0 ppb (15) N/A 26.0 μg/m3 (24) 6.0 μg/m3 (25) 25.0
 
Sept. 15, 2018, 4 p.m. 5.9 ppb (5) 1.2 ppb (1) N/A 5.0 ppb (5) N/A 1.0 ppb (1) 15.0 ppb (12) N/A 25.0 μg/m3 (23) 6.0 μg/m3 (25) 25.0
 
Sept. 15, 2018, 3 p.m. 8.6 ppb (8) 2.2 ppb (2) N/A 6.0 ppb (6) N/A 1.0 ppb (1) 9.0 ppb (7) N/A 22.0 μg/m3 (20) 4.0 μg/m3 (17) 20.0
 
Sept. 15, 2018, 2 p.m. 4.4 ppb (4) 1.0 ppb (1) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 6.0 ppb (5) N/A 15.0 μg/m3 (14) 3.0 μg/m3 (12) 14.0
 
Sept. 15, 2018, 1 p.m. 3.1 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 6.0 ppb (5) N/A 12.0 μg/m3 (11) 1.0 μg/m3 (4) 11.0
 
Sept. 15, 2018, noon 2.3 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 9.0 ppb (7) N/A 10.0 μg/m3 (9) 4.0 μg/m3 (17) 17.0
 
Sept. 15, 2018, 11 a.m. 1.7 ppb (2) -0.1 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 11.0 ppb (8) N/A 10.0 μg/m3 (9) 4.0 μg/m3 (17) 17.0
 
Sept. 15, 2018, 10 a.m. 1.6 ppb (1) -0.1 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 12.0 ppb (9) N/A 12.0 μg/m3 (11) 3.0 μg/m3 (12) 12.0
 
Sept. 15, 2018, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (11) 4.0 μg/m3 (17) 17.0
 
Sept. 15, 2018, 8 a.m. 1.6 ppb (1) -0.1 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 20.0 ppb (15) N/A 11.0 μg/m3 (10) 4.0 μg/m3 (17) 17.0
 
Sept. 15, 2018, 7 a.m. 2.2 ppb (2) -0.1 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 19.0 ppb (15) N/A 16.0 μg/m3 (15) 4.0 μg/m3 (17) 17.0
 
Sept. 15, 2018, 6 a.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 23.0 ppb (18) N/A 19.0 μg/m3 (17) 4.0 μg/m3 (17) 18.0
 
Sept. 15, 2018, 5 a.m. 2.3 ppb (2) -0.1 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 25.0 ppb (19) N/A 21.0 μg/m3 (19) 6.0 μg/m3 (25) 25.0
 
Sept. 15, 2018, 4 a.m. 2.4 ppb (2) -0.1 ppb (0) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 30.0 ppb (23) N/A 28.0 μg/m3 (25) 7.0 μg/m3 (29) 29.0
 
Sept. 15, 2018, 3 a.m. 4.8 ppb (4) 0.0 ppb (0) N/A 5.0 ppb (5) N/A 1.0 ppb (1) 33.0 ppb (25) N/A 23.0 μg/m3 (21) 9.0 μg/m3 (38) 38.0
 
Sept. 15, 2018, 2 a.m. 4.8 ppb (4) 0.3 ppb (0) N/A 4.0 ppb (4) N/A 1.0 ppb (1) 36.0 ppb (28) N/A 23.0 μg/m3 (21) 10.0 μg/m3 (42) 42.0
 
Sept. 15, 2018, 1 a.m. 3.3 ppb (3) 0.3 ppb (0) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 39.0 ppb (30) N/A 23.0 μg/m3 (21) 7.0 μg/m3 (29) 30.0
 
Sept. 15, 2018, midnight 2.8 ppb (3) 0.5 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 40.0 ppb (31) N/A 22.0 μg/m3 (20) 5.0 μg/m3 (21) 31.0
 
Sept. 14, 2018, 11 p.m. 2.6 ppb (2) 0.5 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 44.0 ppb (34) N/A 30.0 μg/m3 (27) 6.0 μg/m3 (25) 34.0
 
Sept. 14, 2018, 10 p.m. 3.1 ppb (3) 0.8 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 44.0 ppb (34) N/A 25.0 μg/m3 (23) 5.0 μg/m3 (21) 34.0
 
Sept. 14, 2018, 9 p.m. 2.0 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 43.0 ppb (33) N/A 23.0 μg/m3 (21) 5.0 μg/m3 (21) 33.0
 
Sept. 14, 2018, 8 p.m. 1.5 ppb (1) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 42.0 ppb (32) N/A 24.0 μg/m3 (22) 5.0 μg/m3 (21) 32.0
 
Sept. 14, 2018, 7 p.m. 2.4 ppb (2) 0.3 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 40.0 ppb (31) N/A 25.0 μg/m3 (23) 5.0 μg/m3 (21) 31.0
 
Sept. 14, 2018, 6 p.m. 1.8 ppb (2) 0.1 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 37.0 ppb (28) N/A 19.0 μg/m3 (17) 6.0 μg/m3 (25) 28.0
 
Sept. 14, 2018, 5 p.m. 1.9 ppb (2) 0.1 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 35.0 ppb (27) N/A 23.0 μg/m3 (21) 6.0 μg/m3 (25) 27.0
 
Sept. 14, 2018, 4 p.m. 2.4 ppb (2) 0.3 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 31.0 ppb (24) N/A 16.0 μg/m3 (15) 8.0 μg/m3 (33) 33.0
 
Sept. 14, 2018, 3 p.m. 5.5 ppb (5) 1.2 ppb (1) N/A 4.0 ppb (4) N/A 1.0 ppb (1) 27.0 ppb (21) N/A 14.0 μg/m3 (13) 8.0 μg/m3 (33) 33.0
 
Sept. 14, 2018, 2 p.m. 3.9 ppb (4) 0.8 ppb (1) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 28.0 ppb (22) N/A 19.0 μg/m3 (17) 4.0 μg/m3 (17) 22.0
 
Sept. 14, 2018, 1 p.m. 1.8 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 27.0 ppb (21) N/A 13.0 μg/m3 (12) 4.0 μg/m3 (17) 21.0
 
Sept. 14, 2018, noon 1.4 ppb (1) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 27.0 ppb (21) N/A 11.0 μg/m3 (10) 5.0 μg/m3 (21) 21.0
 
Sept. 14, 2018, 11 a.m. 1.4 ppb (1) -0.1 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 19.0 ppb (15) N/A 17.0 μg/m3 (15) 1.0 μg/m3 (4) 15.0
 
Sept. 14, 2018, 10 a.m. 1.7 ppb (2) -0.1 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 16.0 ppb (12) N/A 12.0 μg/m3 (11) 3.0 μg/m3 (12) 12.0
 
Sept. 14, 2018, 9 a.m. 1.8 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 16.0 ppb (12) N/A 18.0 μg/m3 (16) 6.0 μg/m3 (25) 25.0
 
Sept. 14, 2018, 8 a.m. 2.7 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 21.0 ppb (16) N/A 15.0 μg/m3 (14) 6.0 μg/m3 (25) 25.0
 
Sept. 14, 2018, 7 a.m. 1.4 ppb (1) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 24.0 ppb (18) N/A 18.0 μg/m3 (16) 6.0 μg/m3 (25) 25.0
 
Sept. 14, 2018, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (16) 9.0 μg/m3 (38) 38.0
 
Sept. 14, 2018, 5 a.m. 3.6 ppb (3) 0.0 ppb (0) N/A 4.0 ppb (4) N/A 1.0 ppb (1) 26.0 ppb (20) N/A 21.0 μg/m3 (19) 11.0 μg/m3 (46) 46.0
 
Sept. 14, 2018, 4 a.m. 4.0 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A 1.0 ppb (1) 27.0 ppb (21) N/A 28.0 μg/m3 (25) 10.0 μg/m3 (42) 42.0
 
Sept. 14, 2018, 3 a.m. 7.7 ppb (7) 0.1 ppb (0) N/A 8.0 ppb (7) N/A 1.0 ppb (1) 24.0 ppb (18) N/A 53.0 μg/m3 (48) 12.0 μg/m3 (50) 50.0
 
Sept. 14, 2018, 2 a.m. 14.4 ppb (13) 1.5 ppb (1) N/A 13.0 ppb (12) N/A 1.0 ppb (1) 29.0 ppb (22) N/A 39.0 μg/m3 (35) 10.0 μg/m3 (42) 42.0
 
Sept. 14, 2018, 1 a.m. 9.1 ppb (8) 1.1 ppb (1) N/A 8.0 ppb (7) N/A 1.0 ppb (1) 38.0 ppb (29) N/A 29.0 μg/m3 (26) 8.0 μg/m3 (33) 33.0
 
Sept. 14, 2018, midnight 4.2 ppb (4) 1.0 ppb (1) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 45.0 ppb (35) N/A 23.0 μg/m3 (21) 8.0 μg/m3 (33) 35.0
 
Sept. 13, 2018, 11 p.m. 3.6 ppb (3) 0.7 ppb (1) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 46.0 ppb (35) N/A 23.0 μg/m3 (21) 7.0 μg/m3 (29) 35.0
 
Sept. 13, 2018, 10 p.m. 3.3 ppb (3) 0.8 ppb (1) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 45.0 ppb (35) N/A 25.0 μg/m3 (23) 6.0 μg/m3 (25) 35.0
 
Sept. 13, 2018, 9 p.m. 1.9 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 46.0 ppb (35) N/A 24.0 μg/m3 (22) 6.0 μg/m3 (25) 35.0
 
Sept. 13, 2018, 8 p.m. 1.9 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 46.0 ppb (35) N/A N/A 6.0 μg/m3 (25) 35.0
 
Sept. 13, 2018, 7 p.m. 1.9 ppb (2) 0.1 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 46.0 ppb (35) N/A 24.0 μg/m3 (22) 8.0 μg/m3 (33) 35.0
 
Sept. 13, 2018, 6 p.m. 2.1 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 46.0 ppb (35) N/A 24.0 μg/m3 (22) 9.0 μg/m3 (38) 38.0
 
Sept. 13, 2018, 5 p.m. 2.0 ppb (2) 0.1 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 45.0 ppb (35) N/A 21.0 μg/m3 (19) 7.0 μg/m3 (29) 35.0
 
Sept. 13, 2018, 4 p.m. 11.1 ppb (10) 3.2 ppb (3) N/A 8.0 ppb (7) N/A 1.0 ppb (1) 27.0 ppb (21) N/A 34.0 μg/m3 (31) 7.0 μg/m3 (29) 31.0
 
Sept. 13, 2018, 3 p.m. 15.7 ppb (15) 5.4 ppb (5) N/A 10.0 ppb (9) N/A 1.0 ppb (1) 17.0 ppb (13) N/A 33.0 μg/m3 (30) 7.0 μg/m3 (29) 30.0
 
Sept. 13, 2018, 2 p.m. 11.3 ppb (10) 2.9 ppb (3) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 13.0 ppb (10) N/A 28.0 μg/m3 (25) 4.0 μg/m3 (17) 25.0
 
Sept. 13, 2018, 1 p.m. 3.3 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 15.0 ppb (12) N/A 18.0 μg/m3 (16) 2.0 μg/m3 (8) 16.0
 
Sept. 13, 2018, noon 1.0 ppb (1) -0.2 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 20.0 ppb (15) N/A 12.0 μg/m3 (11) 3.0 μg/m3 (12) 15.0
 
Sept. 13, 2018, 11 a.m. 1.6 ppb (1) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 23.0 ppb (18) N/A 11.0 μg/m3 (10) 3.0 μg/m3 (12) 18.0
 
Sept. 13, 2018, 10 a.m. 0.8 ppb (1) -0.2 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 23.0 ppb (18) N/A 11.0 μg/m3 (10) 4.0 μg/m3 (17) 18.0
 
Sept. 13, 2018, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (15) 5.0 μg/m3 (21) 21.0
 
Sept. 13, 2018, 8 a.m. 2.7 ppb (3) -0.2 ppb (0) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 30.0 ppb (23) N/A 16.0 μg/m3 (15) 3.0 μg/m3 (12) 23.0
 
Sept. 13, 2018, 7 a.m. 2.5 ppb (2) -0.2 ppb (0) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 31.0 ppb (24) N/A 22.0 μg/m3 (20) 3.0 μg/m3 (12) 24.0
 
Sept. 13, 2018, 6 a.m. 1.4 ppb (1) -0.2 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 32.0 ppb (25) N/A 18.0 μg/m3 (16) 4.0 μg/m3 (17) 25.0
 
Sept. 13, 2018, 5 a.m. 1.4 ppb (1) -0.1 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 32.0 ppb (25) N/A 19.0 μg/m3 (17) 7.0 μg/m3 (29) 29.0
 
Sept. 13, 2018, 4 a.m. 1.5 ppb (1) -0.1 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 34.0 ppb (26) N/A 25.0 μg/m3 (23) 5.0 μg/m3 (21) 26.0
 
Sept. 13, 2018, 3 a.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 34.0 ppb (26) N/A 20.0 μg/m3 (18) 3.0 μg/m3 (12) 26.0
 
Sept. 13, 2018, 2 a.m. 2.2 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 35.0 ppb (27) N/A 27.0 μg/m3 (25) 2.0 μg/m3 (8) 27.0
 
Sept. 13, 2018, 1 a.m. 2.0 ppb (2) 0.1 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 39.0 ppb (30) N/A 19.0 μg/m3 (17) 4.0 μg/m3 (17) 30.0
 
Sept. 13, 2018, midnight 2.5 ppb (2) 0.6 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 39.0 ppb (30) N/A 26.0 μg/m3 (24) 4.0 μg/m3 (17) 30.0
 
Sept. 12, 2018, 11 p.m. 1.9 ppb (2) 0.3 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 42.0 ppb (32) N/A 19.0 μg/m3 (17) 4.0 μg/m3 (17) 32.0
 
Sept. 12, 2018, 10 p.m. 3.1 ppb (3) 0.7 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 43.0 ppb (33) N/A 19.0 μg/m3 (17) 5.0 μg/m3 (21) 33.0
 
Sept. 12, 2018, 9 p.m. 1.4 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 44.0 ppb (34) N/A 14.0 μg/m3 (13) 6.0 μg/m3 (25) 34.0
 
Sept. 12, 2018, 8 p.m. 1.7 ppb (2) 0.1 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 43.0 ppb (33) N/A 29.0 μg/m3 (26) 6.0 μg/m3 (25) 33.0
 
Sept. 12, 2018, 7 p.m. 2.2 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 40.0 ppb (31) N/A 20.0 μg/m3 (18) 5.0 μg/m3 (21) 31.0
 
Sept. 12, 2018, 6 p.m. 1.8 ppb (2) 0.1 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 38.0 ppb (29) N/A 14.0 μg/m3 (13) 6.0 μg/m3 (25) 29.0
 
Sept. 12, 2018, 5 p.m. 2.3 ppb (2) 0.4 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 36.0 ppb (28) N/A 14.0 μg/m3 (13) 7.0 μg/m3 (29) 29.0
 
Sept. 12, 2018, 4 p.m. 5.8 ppb (5) 1.8 ppb (2) N/A 4.0 ppb (4) N/A 1.0 ppb (1) 30.0 ppb (23) N/A 18.0 μg/m3 (16) 7.0 μg/m3 (29) 29.0
 
Sept. 12, 2018, 3 p.m. 23.5 ppb (22) 10.6 ppb (10) N/A 13.0 ppb (12) N/A 1.0 ppb (1) 14.0 ppb (11) N/A 35.0 μg/m3 (32) 8.0 μg/m3 (33) 33.0
 
Sept. 12, 2018, 2 p.m. 14.3 ppb (13) 3.5 ppb (3) N/A 11.0 ppb (10) N/A 0.0 ppb (0) 11.0 ppb (8) N/A 28.0 μg/m3 (25) 4.0 μg/m3 (17) 25.0
 
Sept. 12, 2018, 1 p.m. 7.2 ppb (7) 0.2 ppb (0) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 14.0 ppb (11) N/A 16.0 μg/m3 (15) 2.0 μg/m3 (8) 15.0
 
Sept. 12, 2018, noon 1.7 ppb (2) -0.1 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 16.0 ppb (12) N/A 6.0 μg/m3 (5) 2.0 μg/m3 (8) 12.0
 
Sept. 12, 2018, 11 a.m. 0.9 ppb (1) -0.1 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 19.0 ppb (15) N/A 8.0 μg/m3 (7) 3.0 μg/m3 (12) 15.0
 
Sept. 12, 2018, 10 a.m. 0.9 ppb (1) -0.1 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 18.0 ppb (14) N/A 9.0 μg/m3 (8) 3.0 μg/m3 (12) 14.0
 
Sept. 12, 2018, 9 a.m. 1.1 ppb (1) -0.1 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 19.0 ppb (15) N/A 7.0 μg/m3 (6) 3.0 μg/m3 (12) 15.0
 
Sept. 12, 2018, 8 a.m. 1.1 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 26.0 ppb (20) N/A 9.0 μg/m3 (8) 4.0 μg/m3 (17) 20.0
 
Sept. 12, 2018, 7 a.m. 0.9 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 36.0 ppb (28) N/A 12.0 μg/m3 (11) 4.0 μg/m3 (17) 28.0
 
Sept. 12, 2018, 6 a.m. 3.5 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 36.0 ppb (28) N/A 13.0 μg/m3 (12) 2.0 μg/m3 (8) 28.0
 
Sept. 12, 2018, 5 a.m. 6.9 ppb (6) 0.4 ppb (0) N/A 7.0 ppb (6) N/A 1.0 ppb (1) 31.0 ppb (24) N/A 11.0 μg/m3 (10) 5.0 μg/m3 (21) 24.0
 
Sept. 12, 2018, 4 a.m. 2.4 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 35.0 ppb (27) N/A 9.0 μg/m3 (8) 7.0 μg/m3 (29) 29.0
 
Sept. 12, 2018, 3 a.m. 2.8 ppb (3) 0.1 ppb (0) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 37.0 ppb (28) N/A 9.0 μg/m3 (8) 7.0 μg/m3 (29) 29.0
 
Sept. 12, 2018, 2 a.m. 5.1 ppb (5) 0.2 ppb (0) N/A 5.0 ppb (5) N/A 1.0 ppb (1) 38.0 ppb (29) N/A 19.0 μg/m3 (17) 6.0 μg/m3 (25) 29.0
 
Sept. 12, 2018, 1 a.m. 6.4 ppb (6) 0.8 ppb (1) N/A 6.0 ppb (6) N/A 1.0 ppb (1) 41.0 ppb (32) N/A 15.0 μg/m3 (14) 8.0 μg/m3 (33) 33.0
 
Sept. 12, 2018, midnight 2.9 ppb (3) 0.6 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 45.0 ppb (35) N/A 25.0 μg/m3 (23) 6.0 μg/m3 (25) 35.0
 
Sept. 11, 2018, 11 p.m. 2.5 ppb (2) 0.6 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 45.0 ppb (35) N/A 26.0 μg/m3 (24) 4.0 μg/m3 (17) 35.0
 
Sept. 11, 2018, 10 p.m. 2.3 ppb (2) 0.5 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 44.0 ppb (34) N/A 24.0 μg/m3 (22) 5.0 μg/m3 (21) 34.0
 
Sept. 11, 2018, 9 p.m. 2.0 ppb (2) 0.4 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 43.0 ppb (33) N/A 24.0 μg/m3 (22) 5.0 μg/m3 (21) 33.0
 
Sept. 11, 2018, 8 p.m. 1.7 ppb (2) 0.2 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 44.0 ppb (34) N/A 26.0 μg/m3 (24) 6.0 μg/m3 (25) 34.0
 
Sept. 11, 2018, 7 p.m. 3.4 ppb (3) 0.7 ppb (1) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 43.0 ppb (33) N/A 18.0 μg/m3 (16) 7.0 μg/m3 (29) 33.0