AQSQID: 560210100

Site Name: Cheyenne Ncore

Location: Cheyenne (Chief Washwick Ave), WY

Reporting: True, Located: True

Current AQI: 25.0

Cheyenne (Chief Washwick Ave) WY, US: 41.18222, -104.778336

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Jan. 19, 2020, 2 p.m. 2.7 ppb (3) N/A N/A N/A N/A 0.0 ppb (0) 32.0 ppb (25) 0.12 ppb (1) 3.0 μg/m3 (3) -2.0 μg/m3 (0) 25.0
 
Jan. 19, 2020, 1 p.m. 1.8 ppb (2) N/A N/A N/A N/A -1.0 ppb (0) 34.0 ppb (26) 0.12 ppb (1) 4.0 μg/m3 (4) -1.0 μg/m3 (0) 26.0
 
Jan. 19, 2020, noon 2.4 ppb (2) N/A N/A N/A N/A 0.0 ppb (0) 35.0 ppb (27) 0.11 ppb (1) 2.0 μg/m3 (2) 0.0 μg/m3 (0) 27.0
 
Jan. 19, 2020, 11 a.m. 1.5 ppb (1) N/A N/A N/A N/A 0.0 ppb (0) 38.0 ppb (29) 0.12 ppb (1) 5.0 μg/m3 (5) 4.0 μg/m3 (17) 29.0
 
Jan. 19, 2020, 10 a.m. 1.7 ppb (2) N/A N/A N/A N/A 0.0 ppb (0) 37.0 ppb (28) 0.12 ppb (1) 7.0 μg/m3 (6) 5.0 μg/m3 (21) 28.0
 
Jan. 19, 2020, 9 a.m. 5.2 ppb (5) N/A N/A N/A N/A 0.0 ppb (0) 31.0 ppb (24) 0.15 ppb (2) 6.0 μg/m3 (5) 2.0 μg/m3 (8) 24.0
 
Jan. 19, 2020, 8 a.m. 3.5 ppb (3) N/A N/A N/A N/A 0.0 ppb (0) 31.0 ppb (24) 0.13 ppb (1) 7.0 μg/m3 (6) 3.0 μg/m3 (12) 24.0
 
Jan. 19, 2020, 7 a.m. 3.0 ppb (3) N/A N/A N/A N/A 0.0 ppb (0) 34.0 ppb (26) 0.12 ppb (1) 5.0 μg/m3 (5) 1.0 μg/m3 (4) 26.0
 
Jan. 19, 2020, 6 a.m. 2.1 ppb (2) N/A N/A N/A N/A 0.0 ppb (0) 36.0 ppb (28) 0.12 ppb (1) 7.0 μg/m3 (6) 1.0 μg/m3 (4) 28.0
 
Jan. 19, 2020, 5 a.m. 2.6 ppb (2) N/A N/A N/A N/A 0.0 ppb (0) 34.0 ppb (26) 0.12 ppb (1) 12.0 μg/m3 (11) -2.0 μg/m3 (0) 26.0
 
Jan. 19, 2020, 4 a.m. 2.5 ppb (2) N/A N/A N/A N/A 0.0 ppb (0) 36.0 ppb (28) 0.12 ppb (1) 12.0 μg/m3 (11) -3.0 μg/m3 (0) 28.0
 
Jan. 19, 2020, 3 a.m. 1.3 ppb (1) N/A N/A N/A N/A 0.0 ppb (0) 38.0 ppb (29) 0.11 ppb (1) 3.0 μg/m3 (3) -1.0 μg/m3 (0) 29.0
 
Jan. 19, 2020, 2 a.m. 1.3 ppb (1) N/A N/A N/A N/A 0.0 ppb (0) 39.0 ppb (30) 0.11 ppb (1) 6.0 μg/m3 (5) 0.0 μg/m3 (0) 30.0
 
Jan. 19, 2020, 1 a.m. 1.1 ppb (1) N/A N/A N/A N/A 0.0 ppb (0) 41.0 ppb (32) 0.11 ppb (1) 7.0 μg/m3 (6) -3.0 μg/m3 (0) 32.0
 
Jan. 19, 2020, midnight 1.1 ppb (1) N/A N/A N/A N/A 0.0 ppb (0) 41.0 ppb (32) 0.11 ppb (1) 5.0 μg/m3 (5) -1.0 μg/m3 (0) 32.0
 
Jan. 18, 2020, 11 p.m. 1.2 ppb (1) N/A N/A N/A N/A 0.0 ppb (0) 41.0 ppb (32) 0.11 ppb (1) 6.0 μg/m3 (5) 1.0 μg/m3 (4) 32.0
 
Jan. 18, 2020, 10 p.m. 1.2 ppb (1) N/A N/A N/A N/A 0.0 ppb (0) 41.0 ppb (32) 0.11 ppb (1) 8.0 μg/m3 (7) 3.0 μg/m3 (12) 32.0
 
Jan. 18, 2020, 9 p.m. 1.2 ppb (1) N/A N/A N/A N/A 0.0 ppb (0) 42.0 ppb (32) 0.1 ppb (1) 8.0 μg/m3 (7) 5.0 μg/m3 (21) 32.0
 
Jan. 18, 2020, 8 p.m. 1.3 ppb (1) N/A N/A N/A N/A 0.0 ppb (0) 42.0 ppb (32) 0.1 ppb (1) 9.0 μg/m3 (8) 2.0 μg/m3 (8) 32.0
 
Jan. 18, 2020, 7 p.m. 1.6 ppb (1) N/A N/A N/A N/A 0.0 ppb (0) 41.0 ppb (32) 0.1 ppb (1) 6.0 μg/m3 (5) 1.0 μg/m3 (4) 32.0
 
Jan. 18, 2020, 6 p.m. 1.8 ppb (2) N/A N/A N/A N/A 0.0 ppb (0) 39.0 ppb (30) 0.1 ppb (1) 9.0 μg/m3 (8) -2.0 μg/m3 (0) 30.0
 
Jan. 18, 2020, 5 p.m. 2.9 ppb (3) N/A N/A N/A N/A 0.0 ppb (0) 36.0 ppb (28) 0.11 ppb (1) 6.0 μg/m3 (5) 1.0 μg/m3 (4) 28.0
 
Jan. 18, 2020, 4 p.m. 2.5 ppb (2) N/A N/A N/A N/A 0.0 ppb (0) 34.0 ppb (26) 0.1 ppb (1) 7.0 μg/m3 (6) 4.0 μg/m3 (17) 26.0
 
Jan. 18, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (6) 3.0 μg/m3 (12) 12.0
 
Jan. 18, 2020, 2 p.m. 1.3 ppb (1) N/A N/A N/A N/A 0.0 ppb (0) 34.0 ppb (26) 0.1 ppb (1) 5.0 μg/m3 (5) 1.0 μg/m3 (4) 26.0
 
Jan. 18, 2020, 1 p.m. 1.3 ppb (1) N/A N/A N/A N/A 0.0 ppb (0) 34.0 ppb (26) 0.1 ppb (1) 7.0 μg/m3 (6) 3.0 μg/m3 (12) 26.0
 
Jan. 18, 2020, noon -0.8 ppb (0) N/A N/A N/A N/A 0.0 ppb (0) 35.0 ppb (27) 0.1 ppb (1) 7.0 μg/m3 (6) 3.0 μg/m3 (12) 27.0
 
Jan. 18, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) 0.0 μg/m3 (0) 5.0
 
Jan. 18, 2020, 10 a.m. 1.3 ppb (1) N/A N/A N/A N/A 0.0 ppb (0) 34.0 ppb (26) 0.11 ppb (1) 5.0 μg/m3 (5) 4.0 μg/m3 (17) 26.0
 
Jan. 18, 2020, 9 a.m. 1.4 ppb (1) N/A N/A N/A N/A 0.0 ppb (0) 33.0 ppb (25) 0.13 ppb (1) 6.0 μg/m3 (5) 5.0 μg/m3 (21) 25.0
 
Jan. 18, 2020, 8 a.m. 1.4 ppb (1) N/A N/A N/A N/A 0.0 ppb (0) 33.0 ppb (25) 0.13 ppb (1) 6.0 μg/m3 (5) 6.0 μg/m3 (25) 25.0
 
Jan. 18, 2020, 7 a.m. 1.2 ppb (1) N/A N/A N/A N/A 0.0 ppb (0) 32.0 ppb (25) 0.13 ppb (1) 7.0 μg/m3 (6) 1.0 μg/m3 (4) 25.0
 
Jan. 18, 2020, 6 a.m. 1.2 ppb (1) N/A N/A N/A N/A 0.0 ppb (0) 32.0 ppb (25) 0.13 ppb (1) 11.0 μg/m3 (10) N/A 25.0
 
Jan. 18, 2020, 5 a.m. 1.3 ppb (1) N/A N/A N/A N/A 0.0 ppb (0) 35.0 ppb (27) 0.12 ppb (1) 8.0 μg/m3 (7) N/A 27.0
 
Jan. 18, 2020, 4 a.m. 1.3 ppb (1) N/A N/A N/A N/A 0.0 ppb (0) 38.0 ppb (29) 0.12 ppb (1) 1.0 μg/m3 (1) 0.0 μg/m3 (0) 29.0
 
Jan. 18, 2020, 3 a.m. 1.4 ppb (1) N/A N/A N/A N/A 0.0 ppb (0) 40.0 ppb (31) 0.12 ppb (1) 6.0 μg/m3 (5) 1.0 μg/m3 (4) 31.0
 
Jan. 18, 2020, 2 a.m. 1.9 ppb (2) N/A N/A N/A N/A 0.0 ppb (0) 39.0 ppb (30) 0.13 ppb (1) 41.0 μg/m3 (37) 1.0 μg/m3 (4) 37.0
 
Jan. 18, 2020, 1 a.m. 1.7 ppb (2) N/A N/A N/A N/A 0.0 ppb (0) 36.0 ppb (28) 0.13 ppb (1) 4.0 μg/m3 (4) -1.0 μg/m3 (0) 28.0
 
Jan. 18, 2020, midnight 1.6 ppb (1) N/A N/A N/A N/A 0.0 ppb (0) 37.0 ppb (28) 0.13 ppb (1) 6.0 μg/m3 (5) 0.0 μg/m3 (0) 28.0
 
Jan. 17, 2020, 11 p.m. 1.4 ppb (1) N/A N/A N/A N/A 0.0 ppb (0) 38.0 ppb (29) 0.13 ppb (1) 4.0 μg/m3 (4) 0.0 μg/m3 (0) 29.0
 
Jan. 17, 2020, 10 p.m. 1.7 ppb (2) N/A N/A N/A N/A 0.0 ppb (0) 37.0 ppb (28) 0.13 ppb (1) 6.0 μg/m3 (5) 0.0 μg/m3 (0) 28.0
 
Jan. 17, 2020, 9 p.m. 1.6 ppb (1) N/A N/A N/A N/A 0.0 ppb (0) 37.0 ppb (28) 0.13 ppb (1) 10.0 μg/m3 (9) 0.0 μg/m3 (0) 28.0
 
Jan. 17, 2020, 8 p.m. 2.9 ppb (3) N/A N/A N/A N/A 1.0 ppb (1) 35.0 ppb (27) 0.13 ppb (1) 9.0 μg/m3 (8) 0.0 μg/m3 (0) 27.0
 
Jan. 17, 2020, 7 p.m. 6.2 ppb (6) N/A N/A N/A N/A 1.0 ppb (1) 31.0 ppb (24) 0.15 ppb (2) 13.0 μg/m3 (12) -2.0 μg/m3 (0) 24.0
 
Jan. 17, 2020, 6 p.m. 7.5 ppb (7) N/A N/A N/A N/A 1.0 ppb (1) 30.0 ppb (23) 0.14 ppb (2) 17.0 μg/m3 (15) -4.0 μg/m3 (0) 23.0
 
Jan. 17, 2020, 5 p.m. 7.3 ppb (7) N/A N/A N/A N/A 1.0 ppb (1) 29.0 ppb (22) 0.14 ppb (2) 9.0 μg/m3 (8) -2.0 μg/m3 (0) 22.0
 
Jan. 17, 2020, 4 p.m. 16.2 ppb (15) N/A N/A N/A N/A 1.0 ppb (1) 18.0 ppb (14) 0.19 ppb (2) 11.0 μg/m3 (10) 1.0 μg/m3 (4) 15.0
 
Jan. 17, 2020, 3 p.m. 17.3 ppb (16) N/A N/A N/A N/A 1.0 ppb (1) 12.0 ppb (9) 0.18 ppb (2) 16.0 μg/m3 (15) 4.0 μg/m3 (17) 17.0
 
Jan. 17, 2020, 2 p.m. 19.7 ppb (18) N/A N/A N/A N/A 1.0 ppb (1) 9.0 ppb (7) 0.2 ppb (2) 20.0 μg/m3 (18) 6.0 μg/m3 (25) 25.0
 
Jan. 17, 2020, 1 p.m. 14.0 ppb (13) N/A N/A N/A N/A 1.0 ppb (1) 17.0 ppb (13) 0.15 ppb (2) 11.0 μg/m3 (10) 6.0 μg/m3 (25) 25.0
 
Jan. 17, 2020, noon 24.2 ppb (22) N/A N/A N/A N/A 1.0 ppb (1) 8.0 ppb (6) 0.19 ppb (2) 32.0 μg/m3 (29) 7.0 μg/m3 (29) 29.0
 
Jan. 17, 2020, 11 a.m. 24.7 ppb (23) N/A N/A N/A N/A 1.0 ppb (1) 8.0 ppb (6) 0.22 ppb (2) 54.0 μg/m3 (49) 10.0 μg/m3 (42) 49.0
 
Jan. 17, 2020, 10 a.m. 24.3 ppb (23) N/A N/A N/A N/A 1.0 ppb (1) 8.0 ppb (6) 0.24 ppb (3) 71.0 μg/m3 (58) 8.0 μg/m3 (33) 58.0
 
Jan. 17, 2020, 9 a.m. 17.0 ppb (16) N/A N/A N/A N/A 1.0 ppb (1) 14.0 ppb (11) 0.21 ppb (2) 81.0 μg/m3 (63) 9.0 μg/m3 (38) 63.0
 
Jan. 17, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 69.0 μg/m3 (57) 8.0 μg/m3 (33) 57.0
 
Jan. 17, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 66.0 μg/m3 (56) 10.0 μg/m3 (42) 56.0
 
Jan. 17, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 88.0 μg/m3 (66) 8.0 μg/m3 (33) 66.0
 
Jan. 17, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 81.0 μg/m3 (63) 12.0 μg/m3 (50) 63.0
 
Jan. 17, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 60.0 μg/m3 (52) 11.0 μg/m3 (46) 52.0
 
Jan. 17, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 39.0 μg/m3 (35) 8.0 μg/m3 (33) 35.0
 
Jan. 17, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
Jan. 17, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
Jan. 17, 2020, midnight 6.2 ppb (6) N/A N/A N/A N/A -2.0 ppb (0) 28.0 ppb (22) 0.16 ppb (2) 27.0 μg/m3 (25) 3.0 μg/m3 (12) 25.0
 
Jan. 16, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 24.0 μg/m3 (22) 1.0 μg/m3 (4) 22.0
 
Jan. 16, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 27.0 μg/m3 (25) 3.0 μg/m3 (12) 25.0
 
Jan. 16, 2020, 9 p.m. 7.3 ppb (7) N/A N/A N/A N/A -1.0 ppb (0) 26.0 ppb (20) 0.16 ppb (2) 32.0 μg/m3 (29) 7.0 μg/m3 (29) 29.0
 
Jan. 16, 2020, 8 p.m. 9.0 ppb (8) N/A N/A N/A N/A 0.0 ppb (0) 26.0 ppb (20) 0.17 ppb (2) 28.0 μg/m3 (25) 12.0 μg/m3 (50) 50.0
 
Jan. 16, 2020, 7 p.m. 6.6 ppb (6) N/A N/A N/A N/A -1.0 ppb (0) 26.0 ppb (20) 0.15 ppb (2) 17.0 μg/m3 (15) 3.0 μg/m3 (12) 20.0
 
Jan. 16, 2020, 6 p.m. 8.2 ppb (8) N/A N/A N/A N/A -1.0 ppb (0) 25.0 ppb (19) 0.16 ppb (2) 19.0 μg/m3 (17) 4.0 μg/m3 (17) 19.0
 
Jan. 16, 2020, 5 p.m. 9.4 ppb (9) N/A N/A N/A N/A -2.0 ppb (0) 21.0 ppb (16) 0.18 ppb (2) 18.0 μg/m3 (16) 0.0 μg/m3 (0) 16.0
 
Jan. 16, 2020, 4 p.m. 8.0 ppb (7) N/A N/A N/A N/A -2.0 ppb (0) 20.0 ppb (15) 0.17 ppb (2) 11.0 μg/m3 (10) -1.0 μg/m3 (0) 15.0
 
Jan. 16, 2020, 3 p.m. 9.5 ppb (9) N/A N/A N/A N/A -1.0 ppb (0) 19.0 ppb (15) 0.16 ppb (2) 13.0 μg/m3 (12) 0.0 μg/m3 (0) 15.0
 
Jan. 16, 2020, 2 p.m. 9.9 ppb (9) N/A N/A N/A N/A -1.0 ppb (0) 19.0 ppb (15) 0.16 ppb (2) 17.0 μg/m3 (15) 2.0 μg/m3 (8) 15.0
 
Jan. 16, 2020, 1 p.m. 10.2 ppb (9) N/A N/A N/A N/A -2.0 ppb (0) 17.0 ppb (13) 0.16 ppb (2) 12.0 μg/m3 (11) 1.0 μg/m3 (4) 13.0
 
Jan. 16, 2020, noon 6.4 ppb (6) N/A N/A N/A N/A -1.0 ppb (0) 22.0 ppb (17) 0.14 ppb (2) 13.0 μg/m3 (12) 2.0 μg/m3 (8) 17.0
 
Jan. 16, 2020, 11 a.m. 4.2 ppb (4) N/A N/A N/A N/A -2.0 ppb (0) 27.0 ppb (21) 0.13 ppb (1) 10.0 μg/m3 (9) 6.0 μg/m3 (25) 25.0
 
Jan. 16, 2020, 10 a.m. 8.7 ppb (8) N/A N/A N/A N/A -1.0 ppb (0) 24.0 ppb (18) 0.15 ppb (2) 15.0 μg/m3 (14) 3.0 μg/m3 (12) 18.0
 
Jan. 16, 2020, 9 a.m. 3.1 ppb (3) N/A N/A N/A N/A -2.0 ppb (0) 29.0 ppb (22) 0.15 ppb (2) 9.0 μg/m3 (8) 4.0 μg/m3 (17) 22.0
 
Jan. 16, 2020, 8 a.m. 7.9 ppb (7) N/A N/A N/A N/A -1.0 ppb (0) 26.0 ppb (20) 0.16 ppb (2) 16.0 μg/m3 (15) 17.0 μg/m3 (61) 61.0
 
Jan. 16, 2020, 7 a.m. 9.0 ppb (8) N/A N/A N/A N/A -2.0 ppb (0) 25.0 ppb (19) 0.17 ppb (2) 20.0 μg/m3 (18) 3.0 μg/m3 (12) 19.0
 
Jan. 16, 2020, 6 a.m. 12.7 ppb (12) N/A N/A N/A N/A -2.0 ppb (0) 24.0 ppb (18) 0.19 ppb (2) 19.0 μg/m3 (17) 4.0 μg/m3 (17) 18.0
 
Jan. 16, 2020, 5 a.m. 20.4 ppb (19) N/A N/A N/A N/A -2.0 ppb (0) 18.0 ppb (14) 0.21 ppb (2) 23.0 μg/m3 (21) 5.0 μg/m3 (21) 21.0
 
Jan. 16, 2020, 4 a.m. 24.1 ppb (22) N/A N/A N/A N/A -2.0 ppb (0) 16.0 ppb (12) 0.25 ppb (3) 31.0 μg/m3 (28) 5.0 μg/m3 (21) 28.0
 
Jan. 16, 2020, 3 a.m. 12.2 ppb (11) N/A N/A N/A N/A -2.0 ppb (0) 25.0 ppb (19) 0.23 ppb (3) 22.0 μg/m3 (20) 4.0 μg/m3 (17) 20.0
 
Jan. 16, 2020, 2 a.m. 5.2 ppb (5) N/A N/A N/A N/A -2.0 ppb (0) 32.0 ppb (25) 0.17 ppb (2) 18.0 μg/m3 (16) 5.0 μg/m3 (21) 25.0
 
Jan. 16, 2020, 1 a.m. 4.2 ppb (4) N/A N/A N/A N/A -2.0 ppb (0) 34.0 ppb (26) 0.16 ppb (2) 13.0 μg/m3 (12) 5.0 μg/m3 (21) 26.0
 
Jan. 16, 2020, midnight 4.7 ppb (4) N/A N/A N/A N/A -2.0 ppb (0) 35.0 ppb (27) 0.15 ppb (2) 20.0 μg/m3 (18) 2.0 μg/m3 (8) 27.0
 
Jan. 15, 2020, 11 p.m. 1.2 ppb (1) N/A N/A N/A N/A -2.0 ppb (0) 39.0 ppb (30) 0.13 ppb (1) 7.0 μg/m3 (6) 3.0 μg/m3 (12) 30.0
 
Jan. 15, 2020, 10 p.m. 1.2 ppb (1) N/A N/A N/A N/A -2.0 ppb (0) 39.0 ppb (30) 0.13 ppb (1) 7.0 μg/m3 (6) 6.0 μg/m3 (25) 30.0
 
Jan. 15, 2020, 9 p.m. 1.3 ppb (1) N/A N/A N/A N/A -2.0 ppb (0) 39.0 ppb (30) 0.13 ppb (1) 9.0 μg/m3 (8) 4.0 μg/m3 (17) 30.0
 
Jan. 15, 2020, 8 p.m. 1.5 ppb (1) N/A N/A N/A N/A -2.0 ppb (0) 38.0 ppb (29) 0.13 ppb (1) 8.0 μg/m3 (7) 1.0 μg/m3 (4) 29.0
 
Jan. 15, 2020, 7 p.m. 1.6 ppb (1) N/A N/A N/A N/A -2.0 ppb (0) 38.0 ppb (29) 0.12 ppb (1) 7.0 μg/m3 (6) -1.0 μg/m3 (0) 29.0
 
Jan. 15, 2020, 6 p.m. 1.5 ppb (1) N/A N/A N/A N/A -2.0 ppb (0) 37.0 ppb (28) 0.12 ppb (1) 9.0 μg/m3 (8) 1.0 μg/m3 (4) 28.0
 
Jan. 15, 2020, 5 p.m. 1.6 ppb (1) N/A N/A N/A N/A -2.0 ppb (0) 36.0 ppb (28) 0.12 ppb (1) 7.0 μg/m3 (6) 2.0 μg/m3 (8) 28.0
 
Jan. 15, 2020, 4 p.m. 0.2 ppb (0) N/A N/A N/A N/A -2.0 ppb (0) 36.0 ppb (28) 0.12 ppb (1) 4.0 μg/m3 (4) 2.0 μg/m3 (8) 28.0
 
Jan. 15, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (4) 1.0 μg/m3 (4) 4.0
 
Jan. 15, 2020, 2 p.m. 1.3 ppb (1) N/A N/A N/A N/A -2.0 ppb (0) 36.0 ppb (28) 0.12 ppb (1) 0.0 μg/m3 (0) 1.0 μg/m3 (4) 28.0
 
Jan. 15, 2020, 1 p.m. 1.3 ppb (1) N/A N/A N/A N/A -2.0 ppb (0) 36.0 ppb (28) 0.12 ppb (1) 0.0 μg/m3 (0) 0.0 μg/m3 (0) 28.0
 
Jan. 15, 2020, noon -0.7 ppb (0) N/A N/A N/A N/A -1.0 ppb (0) 37.0 ppb (28) 0.13 ppb (1) 1.0 μg/m3 (1) 0.0 μg/m3 (0) 28.0
 
Jan. 15, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (4) 2.0 μg/m3 (8) 8.0
 
Jan. 15, 2020, 10 a.m. 1.1 ppb (1) N/A N/A N/A N/A -2.0 ppb (0) 37.0 ppb (28) 0.13 ppb (1) 6.0 μg/m3 (5) 2.0 μg/m3 (8) 28.0
 
Jan. 15, 2020, 9 a.m. 1.6 ppb (1) N/A N/A N/A N/A -2.0 ppb (0) 36.0 ppb (28) 0.14 ppb (2) 0.0 μg/m3 (0) 1.0 μg/m3 (4) 28.0
 
Jan. 15, 2020, 8 a.m. 1.0 ppb (1) N/A N/A N/A N/A -2.0 ppb (0) 37.0 ppb (28) 0.14 ppb (2) N/A 1.0 μg/m3 (4) 28.0
 
Jan. 15, 2020, 7 a.m. 1.0 ppb (1) N/A N/A N/A N/A -2.0 ppb (0) 37.0 ppb (28) 0.14 ppb (2) -4.0 μg/m3 (0) 0.0 μg/m3 (0) 28.0
 
Jan. 15, 2020, 6 a.m. 1.1 ppb (1) N/A N/A N/A N/A -2.0 ppb (0) 37.0 ppb (28) 0.14 ppb (2) 3.0 μg/m3 (3) -1.0 μg/m3 (0) 28.0
 
Jan. 15, 2020, 5 a.m. 3.0 ppb (3) N/A N/A N/A N/A -1.0 ppb (0) 37.0 ppb (28) 0.15 ppb (2) 10.0 μg/m3 (9) -1.0 μg/m3 (0) 28.0
 
Jan. 15, 2020, 4 a.m. 3.8 ppb (4) N/A N/A N/A N/A -2.0 ppb (0) 38.0 ppb (29) 0.15 ppb (2) 6.0 μg/m3 (5) -4.0 μg/m3 (0) 29.0
 
Jan. 15, 2020, 3 a.m. 2.9 ppb (3) N/A N/A N/A N/A -1.0 ppb (0) 40.0 ppb (31) 0.15 ppb (2) 4.0 μg/m3 (4) N/A 31.0
 
Jan. 15, 2020, 2 a.m. 2.0 ppb (2) N/A N/A N/A N/A -1.0 ppb (0) 41.0 ppb (32) 0.14 ppb (2) 6.0 μg/m3 (5) -1.0 μg/m3 (0) 32.0
 
Jan. 15, 2020, 1 a.m. 1.6 ppb (1) N/A N/A N/A N/A -1.0 ppb (0) 42.0 ppb (32) 0.14 ppb (2) N/A 1.0 μg/m3 (4) 32.0
 
Jan. 15, 2020, midnight 1.4 ppb (1) N/A N/A N/A N/A -1.0 ppb (0) 43.0 ppb (33) 0.13 ppb (1) 6.0 μg/m3 (5) 0.0 μg/m3 (0) 33.0
 
Jan. 14, 2020, 11 p.m. 1.8 ppb (2) N/A N/A N/A N/A -1.0 ppb (0) 42.0 ppb (32) 0.14 ppb (2) 6.0 μg/m3 (5) 0.0 μg/m3 (0) 32.0
 
Jan. 14, 2020, 10 p.m. 4.5 ppb (4) N/A N/A N/A N/A -1.0 ppb (0) 39.0 ppb (30) 0.15 ppb (2) 5.0 μg/m3 (5) -1.0 μg/m3 (0) 30.0
 
Jan. 14, 2020, 9 p.m. 3.4 ppb (3) N/A N/A N/A N/A -1.0 ppb (0) 39.0 ppb (30) 0.14 ppb (2) 7.0 μg/m3 (6) 5.0 μg/m3 (21) 30.0
 
Jan. 14, 2020, 8 p.m. 8.4 ppb (8) N/A N/A N/A N/A 1.0 ppb (1) 34.0 ppb (26) 0.16 ppb (2) 14.0 μg/m3 (13) 12.0 μg/m3 (50) 50.0
 
Jan. 14, 2020, 7 p.m. 18.6 ppb (17) N/A N/A N/A N/A -1.0 ppb (0) 26.0 ppb (20) 0.19 ppb (2) 13.0 μg/m3 (12) 12.0 μg/m3 (50) 50.0
 
Jan. 14, 2020, 6 p.m. 24.0 ppb (22) N/A N/A N/A N/A -1.0 ppb (0) 22.0 ppb (17) 0.19 ppb (2) 21.0 μg/m3 (19) 6.0 μg/m3 (25) 25.0
 
Jan. 14, 2020, 5 p.m. 24.3 ppb (23) N/A N/A N/A N/A -1.0 ppb (0) 17.0 ppb (13) 0.23 ppb (3) 9.0 μg/m3 (8) 3.0 μg/m3 (12) 23.0
 
Jan. 14, 2020, 4 p.m. 25.2 ppb (23) N/A N/A N/A N/A -2.0 ppb (0) 15.0 ppb (12) 0.22 ppb (2) 8.0 μg/m3 (7) 3.0 μg/m3 (12) 23.0
 
Jan. 14, 2020, 3 p.m. 30.0 ppb (28) N/A N/A N/A N/A -2.0 ppb (0) 12.0 ppb (9) 0.23 ppb (3) 9.0 μg/m3 (8) 5.0 μg/m3 (21) 28.0
 
Jan. 14, 2020, 2 p.m. 16.9 ppb (16) N/A N/A N/A N/A -2.0 ppb (0) 21.0 ppb (16) 0.17 ppb (2) 7.0 μg/m3 (6) 2.0 μg/m3 (8) 16.0
 
Jan. 14, 2020, 1 p.m. 10.8 ppb (10) N/A N/A N/A N/A -2.0 ppb (0) 26.0 ppb (20) 0.15 ppb (2) 7.0 μg/m3 (6) 2.0 μg/m3 (8) 20.0
 
Jan. 14, 2020, noon 9.0 ppb (8) N/A N/A N/A N/A -2.0 ppb (0) 28.0 ppb (22) 0.15 ppb (2) 6.0 μg/m3 (5) 1.0 μg/m3 (4) 22.0
 
Jan. 14, 2020, 11 a.m. 7.2 ppb (7) N/A N/A N/A N/A -1.0 ppb (0) 31.0 ppb (24) 0.14 ppb (2) -2.0 μg/m3 (0) 2.0 μg/m3 (8) 24.0
 
Jan. 14, 2020, 10 a.m. 5.4 ppb (5) N/A N/A N/A N/A -2.0 ppb (0) 35.0 ppb (27) 0.14 ppb (2) -3.0 μg/m3 (0) 3.0 μg/m3 (12) 27.0
 
Jan. 14, 2020, 9 a.m. 2.5 ppb (2) N/A N/A N/A N/A -2.0 ppb (0) 39.0 ppb (30) 0.11 ppb (1) 2.0 μg/m3 (2) 4.0 μg/m3 (17) 30.0
 
Jan. 14, 2020, 8 a.m. 1.9 ppb (2) N/A N/A N/A N/A -2.0 ppb (0) 40.0 ppb (31) 0.11 ppb (1) 4.0 μg/m3 (4) 2.0 μg/m3 (8) 31.0
 
Jan. 14, 2020, 7 a.m. 2.8 ppb (3) N/A N/A N/A N/A -2.0 ppb (0) 35.0 ppb (27) 0.11 ppb (1) N/A 1.0 μg/m3 (4) 27.0
 
Jan. 14, 2020, 6 a.m. 1.3 ppb (1) N/A N/A N/A N/A -2.0 ppb (0) 35.0 ppb (27) 0.1 ppb (1) N/A 2.0 μg/m3 (8) 27.0
 
Jan. 14, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A -1.0 μg/m3 (0) 4.0 μg/m3 (17) 17.0
 
Jan. 14, 2020, 4 a.m. 2.2 ppb (2) N/A N/A N/A N/A -2.0 ppb (0) 37.0 ppb (28) 0.14 ppb (2) -1.0 μg/m3 (0) 1.0 μg/m3 (4) 28.0
 
Jan. 14, 2020, 3 a.m. 2.7 ppb (3) N/A N/A N/A N/A -2.0 ppb (0) 37.0 ppb (28) 0.15 ppb (2) 3.0 μg/m3 (3) -3.0 μg/m3 (0) 28.0
 
Jan. 14, 2020, 2 a.m. 2.3 ppb (2) N/A N/A N/A N/A -1.0 ppb (0) 37.0 ppb (28) 0.14 ppb (2) 6.0 μg/m3 (5) N/A 28.0
 
Jan. 14, 2020, 1 a.m. 1.6 ppb (1) N/A N/A N/A N/A -2.0 ppb (0) 37.0 ppb (28) 0.14 ppb (2) 7.0 μg/m3 (6) N/A 28.0
 
Jan. 14, 2020, midnight 1.6 ppb (1) N/A N/A N/A N/A -1.0 ppb (0) 37.0 ppb (28) 0.14 ppb (2) 6.0 μg/m3 (5) -4.0 μg/m3 (0) 28.0
 
Jan. 13, 2020, 11 p.m. 1.2 ppb (1) N/A N/A N/A N/A -1.0 ppb (0) 39.0 ppb (30) 0.13 ppb (1) 6.0 μg/m3 (5) 0.0 μg/m3 (0) 30.0
 
Jan. 13, 2020, 10 p.m. 4.3 ppb (4) N/A N/A N/A N/A -1.0 ppb (0) 36.0 ppb (28) 0.14 ppb (2) 8.0 μg/m3 (7) 3.0 μg/m3 (12) 28.0
 
Jan. 13, 2020, 9 p.m. 4.7 ppb (4) N/A N/A N/A N/A -1.0 ppb (0) 34.0 ppb (26) 0.14 ppb (2) 7.0 μg/m3 (6) 2.0 μg/m3 (8) 26.0
 
Jan. 13, 2020, 8 p.m. 7.7 ppb (7) N/A N/A N/A N/A -1.0 ppb (0) 33.0 ppb (25) 0.16 ppb (2) 9.0 μg/m3 (8) 4.0 μg/m3 (17) 25.0
 
Jan. 13, 2020, 7 p.m. 17.6 ppb (16) N/A N/A N/A N/A -1.0 ppb (0) 26.0 ppb (20) 0.19 ppb (2) 13.0 μg/m3 (12) 3.0 μg/m3 (12) 20.0
 
Jan. 13, 2020, 6 p.m. 15.4 ppb (14) N/A N/A N/A N/A -1.0 ppb (0) 25.0 ppb (19) 0.17 ppb (2) N/A 1.0 μg/m3 (4) 19.0
 
Jan. 13, 2020, 5 p.m. 23.1 ppb (21) N/A N/A N/A N/A -1.0 ppb (0) 17.0 ppb (13) 0.23 ppb (3) -4.0 μg/m3 (0) 0.0 μg/m3 (0) 21.0
 
Jan. 13, 2020, 4 p.m. 13.7 ppb (13) N/A N/A N/A N/A -1.0 ppb (0) 21.0 ppb (16) 0.19 ppb (2) N/A 1.0 μg/m3 (4) 16.0
 
Jan. 13, 2020, 3 p.m. 7.8 ppb (7) N/A N/A N/A N/A -1.0 ppb (0) 28.0 ppb (22) 0.14 ppb (2) -4.0 μg/m3 (0) 0.0 μg/m3 (0) 22.0
 
Jan. 13, 2020, 2 p.m. 6.8 ppb (6) N/A N/A N/A N/A -2.0 ppb (0) 28.0 ppb (22) 0.14 ppb (2) 0.0 μg/m3 (0) 2.0 μg/m3 (8) 22.0
 
Jan. 13, 2020, 1 p.m. 6.1 ppb (6) N/A N/A N/A N/A -1.0 ppb (0) 31.0 ppb (24) 0.14 ppb (2) 0.0 μg/m3 (0) 3.0 μg/m3 (12) 24.0
 
Jan. 13, 2020, noon 4.7 ppb (4) N/A N/A N/A N/A -1.0 ppb (0) 32.0 ppb (25) 0.14 ppb (2) N/A 2.0 μg/m3 (8) 25.0
 
Jan. 13, 2020, 11 a.m. 2.9 ppb (3) N/A N/A N/A N/A -1.0 ppb (0) 33.0 ppb (25) 0.12 ppb (1) N/A 1.0 μg/m3 (4) 25.0
 
Jan. 13, 2020, 10 a.m. 2.8 ppb (3) N/A N/A N/A N/A -1.0 ppb (0) 32.0 ppb (25) 0.13 ppb (1) 0.0 μg/m3 (0) 3.0 μg/m3 (12) 25.0
 
Jan. 13, 2020, 9 a.m. 2.8 ppb (3) N/A N/A N/A N/A -1.0 ppb (0) 32.0 ppb (25) 0.13 ppb (1) -2.0 μg/m3 (0) 3.0 μg/m3 (12) 25.0
 
Jan. 13, 2020, 8 a.m. 2.1 ppb (2) N/A N/A N/A N/A -1.0 ppb (0) 32.0 ppb (25) 0.13 ppb (1) -4.0 μg/m3 (0) 1.0 μg/m3 (4) 25.0
 
Jan. 13, 2020, 7 a.m. 3.2 ppb (3) N/A N/A N/A N/A -1.0 ppb (0) 32.0 ppb (25) 0.13 ppb (1) 1.0 μg/m3 (1) 2.0 μg/m3 (8) 25.0
 
Jan. 13, 2020, 6 a.m. 5.5 ppb (5) N/A N/A N/A N/A -2.0 ppb (0) 32.0 ppb (25) 0.13 ppb (1) -2.0 μg/m3 (0) 1.0 μg/m3 (4) 25.0
 
Jan. 13, 2020, 5 a.m. 5.5 ppb (5) N/A N/A N/A N/A -2.0 ppb (0) 30.0 ppb (23) 0.14 ppb (2) -1.0 μg/m3 (0) 0.0 μg/m3 (0) 23.0
 
Jan. 13, 2020, 4 a.m. 3.1 ppb (3) N/A N/A N/A N/A -2.0 ppb (0) 32.0 ppb (25) 0.13 ppb (1) 1.0 μg/m3 (1) 0.0 μg/m3 (0) 25.0
 
Jan. 13, 2020, 3 a.m. 1.9 ppb (2) N/A N/A N/A N/A -1.0 ppb (0) 35.0 ppb (27) 0.13 ppb (1) 2.0 μg/m3 (2) 2.0 μg/m3 (8) 27.0
 
Jan. 13, 2020, 2 a.m. 2.0 ppb (2) N/A N/A N/A N/A -1.0 ppb (0) 36.0 ppb (28) 0.13 ppb (1) 2.0 μg/m3 (2) 1.0 μg/m3 (4) 28.0
 
Jan. 13, 2020, 1 a.m. 1.5 ppb (1) N/A N/A N/A N/A -2.0 ppb (0) 37.0 ppb (28) 0.12 ppb (1) N/A -4.0 μg/m3 (0) 28.0
 
Jan. 13, 2020, midnight 1.6 ppb (1) N/A N/A N/A N/A -2.0 ppb (0) 36.0 ppb (28) 0.12 ppb (1) -3.0 μg/m3 (0) -4.0 μg/m3 (0) 28.0
 
Jan. 12, 2020, 11 p.m. 1.1 ppb (1) N/A N/A N/A N/A -2.0 ppb (0) 36.0 ppb (28) 0.12 ppb (1) 0.0 μg/m3 (0) 0.0 μg/m3 (0) 28.0
 
Jan. 12, 2020, 10 p.m. 1.1 ppb (1) N/A N/A N/A N/A -2.0 ppb (0) 36.0 ppb (28) 0.12 ppb (1) 3.0 μg/m3 (3) 3.0 μg/m3 (12) 28.0
 
Jan. 12, 2020, 9 p.m. 1.1 ppb (1) N/A N/A N/A N/A -2.0 ppb (0) 36.0 ppb (28) 0.12 ppb (1) 1.0 μg/m3 (1) 5.0 μg/m3 (21) 28.0
 
Jan. 12, 2020, 8 p.m. 1.1 ppb (1) N/A N/A N/A N/A -1.0 ppb (0) 36.0 ppb (28) 0.12 ppb (1) 2.0 μg/m3 (2) 3.0 μg/m3 (12) 28.0
 
Jan. 12, 2020, 7 p.m. 1.1 ppb (1) N/A N/A N/A N/A -1.0 ppb (0) 35.0 ppb (27) 0.12 ppb (1) 0.0 μg/m3 (0) -4.0 μg/m3 (0) 27.0
 
Jan. 12, 2020, 6 p.m. 1.2 ppb (1) N/A N/A N/A N/A -1.0 ppb (0) 35.0 ppb (27) 0.12 ppb (1) -2.0 μg/m3 (0) -4.0 μg/m3 (0) 27.0
 
Jan. 12, 2020, 5 p.m. 1.2 ppb (1) N/A N/A N/A N/A -1.0 ppb (0) 35.0 ppb (27) 0.11 ppb (1) 0.0 μg/m3 (0) -2.0 μg/m3 (0) 27.0
 
Jan. 12, 2020, 4 p.m. 1.5 ppb (1) N/A N/A N/A N/A -1.0 ppb (0) 36.0 ppb (28) 0.11 ppb (1) 2.0 μg/m3 (2) -1.0 μg/m3 (0) 28.0
 
Jan. 12, 2020, 3 p.m. 2.3 ppb (2) N/A N/A N/A N/A -2.0 ppb (0) 35.0 ppb (27) 0.11 ppb (1) 3.0 μg/m3 (3) -1.0 μg/m3 (0) 27.0