AQSQID: 380171004

Site Name: Fargo Nw

Location: Reiles Acres, ND

Reporting: True, Located: True

Current AQI: 54.0

Reiles Acres ND, US: 46.933601, -96.854698

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Jan. 24, 2019, midnight 27.0 ppb (25) 0.6 ppb (1) N/A 26.0 ppb (24) N/A 1.0 ppb (1) 13.0 ppb (10) N/A 17.0 μg/m3 (15) 14.0 μg/m3 (54) 54.0
 
Jan. 23, 2019, 11 p.m. 19.4 ppb (18) 0.3 ppb (0) N/A 19.0 ppb (18) N/A 1.0 ppb (1) 21.0 ppb (16) N/A 12.0 μg/m3 (11) 15.9 μg/m3 (58) 58.0
 
Jan. 23, 2019, 10 p.m. 8.9 ppb (8) 1.2 ppb (1) N/A 8.0 ppb (7) N/A 1.0 ppb (1) 34.0 ppb (26) N/A 12.0 μg/m3 (11) 14.3 μg/m3 (55) 55.0
 
Jan. 23, 2019, 9 p.m. 10.3 ppb (10) 3.2 ppb (3) N/A 7.0 ppb (6) N/A 1.0 ppb (1) 32.0 ppb (25) N/A 14.0 μg/m3 (13) 9.9 μg/m3 (41) 41.0
 
Jan. 23, 2019, 8 p.m. 9.9 ppb (9) 3.7 ppb (3) N/A 6.0 ppb (6) N/A 1.0 ppb (1) 33.0 ppb (25) N/A 16.0 μg/m3 (15) 12.7 μg/m3 (51) 51.0
 
Jan. 23, 2019, 7 p.m. 9.2 ppb (9) 3.5 ppb (3) N/A 6.0 ppb (6) N/A 1.0 ppb (1) 32.0 ppb (25) N/A 15.0 μg/m3 (14) 12.0 μg/m3 (50) 50.0
 
Jan. 23, 2019, 6 p.m. 9.6 ppb (9) 3.4 ppb (3) N/A 6.0 ppb (6) N/A 1.0 ppb (1) 30.0 ppb (23) N/A 12.0 μg/m3 (11) 14.2 μg/m3 (55) 55.0
 
Jan. 23, 2019, 5 p.m. 11.3 ppb (10) 4.1 ppb (4) N/A 7.0 ppb (6) N/A 1.0 ppb (1) 28.0 ppb (22) N/A 17.0 μg/m3 (15) 13.7 μg/m3 (54) 54.0
 
Jan. 23, 2019, 4 p.m. 12.3 ppb (11) 3.9 ppb (4) N/A 8.0 ppb (7) N/A 1.0 ppb (1) 27.0 ppb (21) N/A 14.0 μg/m3 (13) 12.7 μg/m3 (51) 51.0
 
Jan. 23, 2019, 3 p.m. 16.5 ppb (15) 4.4 ppb (4) N/A 12.0 ppb (11) N/A 1.0 ppb (1) 22.0 ppb (17) N/A 8.0 μg/m3 (7) 10.6 μg/m3 (44) 44.0
 
Jan. 23, 2019, 2 p.m. 25.3 ppb (23) 4.1 ppb (4) N/A 21.0 ppb (19) N/A 1.0 ppb (1) 13.0 ppb (10) N/A 9.0 μg/m3 (8) 13.3 μg/m3 (53) 53.0
 
Jan. 23, 2019, 1 p.m. 24.5 ppb (23) 1.0 ppb (1) N/A 24.0 ppb (22) N/A 1.0 ppb (1) 10.0 ppb (8) N/A 3.0 μg/m3 (3) 14.3 μg/m3 (55) 55.0
 
Jan. 23, 2019, noon 31.7 ppb (29) 3.5 ppb (3) N/A 28.0 ppb (26) N/A 1.0 ppb (1) 6.0 ppb (5) N/A 2.0 μg/m3 (2) 10.2 μg/m3 (42) 42.0
 
Jan. 23, 2019, 11 a.m. 32.7 ppb (30) 4.2 ppb (4) N/A 28.0 ppb (26) N/A 1.0 ppb (1) 6.0 ppb (5) N/A 20.0 μg/m3 (18) 13.9 μg/m3 (54) 54.0
 
Jan. 23, 2019, 10 a.m. 49.7 ppb (46) 13.4 ppb (12) N/A 36.0 ppb (33) N/A 1.0 ppb (1) 1.0 ppb (1) N/A 3.0 μg/m3 (3) 16.2 μg/m3 (59) 59.0
 
Jan. 23, 2019, 9 a.m. 57.4 ppb (54) 21.1 ppb (20) N/A 36.0 ppb (33) N/A 1.0 ppb (1) 2.0 ppb (2) N/A 21.0 μg/m3 (19) 14.0 μg/m3 (54) 54.0
 
Jan. 23, 2019, 8 a.m. 41.2 ppb (38) 8.2 ppb (8) N/A 33.0 ppb (31) N/A 1.0 ppb (1) 3.0 ppb (2) N/A 10.0 μg/m3 (9) 11.0 μg/m3 (46) 46.0
 
Jan. 23, 2019, 7 a.m. 23.2 ppb (21) 0.2 ppb (0) N/A 23.0 ppb (21) N/A 1.0 ppb (1) 11.0 ppb (8) N/A 10.0 μg/m3 (9) 13.3 μg/m3 (53) 53.0
 
Jan. 23, 2019, 6 a.m. 29.2 ppb (27) 0.9 ppb (1) N/A 28.0 ppb (26) N/A 1.0 ppb (1) 7.0 ppb (5) N/A 12.0 μg/m3 (11) 12.4 μg/m3 (51) 51.0
 
Jan. 23, 2019, 5 a.m. 24.3 ppb (23) 0.3 ppb (0) N/A 24.0 ppb (22) N/A 1.0 ppb (1) 10.0 ppb (8) N/A 5.0 μg/m3 (5) 10.0 μg/m3 (42) 42.0
 
Jan. 23, 2019, 4 a.m. 18.8 ppb (17) 0.1 ppb (0) N/A 19.0 ppb (18) N/A 1.0 ppb (1) 15.0 ppb (12) N/A 5.0 μg/m3 (5) 8.0 μg/m3 (33) 33.0
 
Jan. 23, 2019, 3 a.m. 5.4 ppb (5) 0.0 ppb (0) N/A 5.0 ppb (5) N/A 1.0 ppb (1) 28.0 ppb (22) N/A 7.0 μg/m3 (6) 10.2 μg/m3 (42) 42.0
 
Jan. 23, 2019, 2 a.m. 6.1 ppb (6) 0.4 ppb (0) N/A 6.0 ppb (6) N/A 1.0 ppb (1) 28.0 ppb (22) N/A 7.0 μg/m3 (6) 8.8 μg/m3 (37) 37.0
 
Jan. 23, 2019, 1 a.m. 8.2 ppb (8) 1.9 ppb (2) N/A 6.0 ppb (6) N/A 1.0 ppb (1) 29.0 ppb (22) N/A 10.0 μg/m3 (9) 10.3 μg/m3 (43) 43.0
 
Jan. 23, 2019, midnight 8.7 ppb (8) 1.8 ppb (2) N/A 7.0 ppb (6) 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. 22, 2019, 11 p.m. 6.5 ppb (6) 0.8 ppb (1) N/A 6.0 ppb (6) N/A 1.0 ppb (1) 32.0 ppb (25) N/A 17.0 μg/m3 (15) 9.5 μg/m3 (40) 40.0
 
Jan. 22, 2019, 10 p.m. 9.5 ppb (9) 2.1 ppb (2) N/A 7.0 ppb (6) N/A 1.0 ppb (1) 31.0 ppb (24) N/A 17.0 μg/m3 (15) 10.3 μg/m3 (43) 43.0
 
Jan. 22, 2019, 9 p.m. 6.2 ppb (6) 1.5 ppb (1) N/A 5.0 ppb (5) N/A 1.0 ppb (1) 33.0 ppb (25) N/A 19.0 μg/m3 (17) 9.0 μg/m3 (38) 38.0
 
Jan. 22, 2019, 8 p.m. 3.5 ppb (3) 0.7 ppb (1) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 35.0 ppb (27) N/A 15.0 μg/m3 (14) 10.1 μg/m3 (42) 42.0
 
Jan. 22, 2019, 7 p.m. 2.9 ppb (3) 0.4 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 35.0 ppb (27) N/A 11.0 μg/m3 (10) 6.7 μg/m3 (28) 28.0
 
Jan. 22, 2019, 6 p.m. 2.9 ppb (3) 0.5 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 34.0 ppb (26) N/A 10.0 μg/m3 (9) 6.6 μg/m3 (28) 28.0
 
Jan. 22, 2019, 5 p.m. 3.5 ppb (3) 0.9 ppb (1) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 34.0 ppb (26) N/A 12.0 μg/m3 (11) 5.8 μg/m3 (24) 26.0
 
Jan. 22, 2019, 4 p.m. 4.7 ppb (4) 1.2 ppb (1) N/A 4.0 ppb (4) N/A 1.0 ppb (1) 32.0 ppb (25) N/A 7.0 μg/m3 (6) 5.8 μg/m3 (24) 25.0
 
Jan. 22, 2019, 9 a.m. 7.4 ppb (7) 0.9 ppb (1) N/A 7.0 ppb (6) N/A 1.0 ppb (1) 29.0 ppb (22) N/A 8.0 μg/m3 (7) 7.9 μg/m3 (33) 33.0
 
Jan. 22, 2019, 8 a.m. 6.7 ppb (6) 0.5 ppb (0) N/A 6.0 ppb (6) N/A 1.0 ppb (1) 29.0 ppb (22) N/A 8.0 μg/m3 (7) 5.5 μg/m3 (23) 23.0
 
Jan. 22, 2019, 7 a.m. 6.2 ppb (6) 0.6 ppb (1) N/A 6.0 ppb (6) N/A 1.0 ppb (1) 31.0 ppb (24) N/A 18.0 μg/m3 (16) 5.7 μg/m3 (24) 24.0
 
Jan. 22, 2019, 6 a.m. 6.0 ppb (6) 0.5 ppb (0) N/A 5.0 ppb (5) N/A 1.0 ppb (1) 31.0 ppb (24) N/A 13.0 μg/m3 (12) 6.4 μg/m3 (27) 27.0
 
Jan. 22, 2019, 5 a.m. 8.7 ppb (8) 0.3 ppb (0) N/A 8.0 ppb (7) N/A 1.0 ppb (1) 29.0 ppb (22) N/A 21.0 μg/m3 (19) 6.1 μg/m3 (25) 25.0
 
Jan. 22, 2019, 4 a.m. 9.2 ppb (9) 0.4 ppb (0) N/A 9.0 ppb (8) N/A 1.0 ppb (1) 30.0 ppb (23) N/A 23.0 μg/m3 (21) 5.1 μg/m3 (21) 23.0
 
Jan. 22, 2019, 3 a.m. 8.3 ppb (8) 0.2 ppb (0) N/A 8.0 ppb (7) N/A 1.0 ppb (1) 31.0 ppb (24) N/A 20.0 μg/m3 (18) 5.4 μg/m3 (23) 24.0
 
Jan. 22, 2019, 2 a.m. 6.2 ppb (6) 0.1 ppb (0) N/A 6.0 ppb (6) N/A 1.0 ppb (1) 33.0 ppb (25) N/A 15.0 μg/m3 (14) 7.3 μg/m3 (30) 30.0
 
Jan. 22, 2019, 1 a.m. 4.2 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A 1.0 ppb (1) 35.0 ppb (27) N/A 17.0 μg/m3 (15) 5.8 μg/m3 (24) 27.0
 
Jan. 22, 2019, midnight 7.7 ppb (7) 0.1 ppb (0) N/A 8.0 ppb (7) N/A 1.0 ppb (1) 32.0 ppb (25) N/A 25.0 μg/m3 (23) 6.5 μg/m3 (27) 27.0
 
Jan. 21, 2019, 11 p.m. 9.0 ppb (8) 0.6 ppb (1) N/A 8.0 ppb (7) N/A 1.0 ppb (1) 32.0 ppb (25) N/A 25.0 μg/m3 (23) 7.5 μg/m3 (31) 31.0
 
Jan. 21, 2019, 10 p.m. 10.8 ppb (10) 1.1 ppb (1) N/A 10.0 ppb (9) N/A 1.0 ppb (1) 31.0 ppb (24) N/A 24.0 μg/m3 (22) 6.0 μg/m3 (25) 25.0
 
Jan. 21, 2019, 9 p.m. 5.9 ppb (5) 0.7 ppb (1) N/A 5.0 ppb (5) N/A 1.0 ppb (1) 34.0 ppb (26) N/A 36.0 μg/m3 (33) 6.8 μg/m3 (28) 33.0
 
Jan. 21, 2019, 8 p.m. 4.6 ppb (4) 0.7 ppb (1) N/A 4.0 ppb (4) N/A 1.0 ppb (1) 36.0 ppb (28) N/A 58.0 μg/m3 (52) 7.5 μg/m3 (31) 52.0
 
Jan. 21, 2019, 7 p.m. 4.3 ppb (4) 0.7 ppb (1) N/A 4.0 ppb (4) N/A 1.0 ppb (1) 36.0 ppb (28) N/A 30.0 μg/m3 (27) 7.2 μg/m3 (30) 30.0
 
Jan. 21, 2019, 6 p.m. 3.6 ppb (3) 0.6 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 36.0 ppb (28) N/A 61.0 μg/m3 (53) 2.5 μg/m3 (10) 53.0
 
Jan. 21, 2019, 5 p.m. 3.8 ppb (4) 0.6 ppb (1) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 35.0 ppb (27) N/A 70.0 μg/m3 (58) 3.3 μg/m3 (14) 58.0
 
Jan. 21, 2019, 4 p.m. 3.8 ppb (4) 0.7 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 35.0 ppb (27) N/A 63.0 μg/m3 (54) 4.9 μg/m3 (20) 54.0
 
Jan. 21, 2019, 3 p.m. 4.0 ppb (4) 0.4 ppb (0) N/A 4.0 ppb (4) N/A 1.0 ppb (1) 34.0 ppb (26) N/A 89.0 μg/m3 (67) 4.0 μg/m3 (17) 67.0
 
Jan. 21, 2019, 2 p.m. 3.7 ppb (3) 0.1 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 33.0 ppb (25) N/A 70.0 μg/m3 (58) 5.6 μg/m3 (23) 58.0
 
Jan. 21, 2019, 1 p.m. 3.0 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 33.0 ppb (25) N/A 8.0 μg/m3 (7) 7.3 μg/m3 (30) 30.0
 
Jan. 21, 2019, noon 2.3 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 34.0 ppb (26) N/A 8.0 μg/m3 (7) 5.7 μg/m3 (24) 26.0
 
Jan. 21, 2019, 11 a.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 34.0 ppb (26) N/A 10.0 μg/m3 (9) 2.3 μg/m3 (10) 26.0
 
Jan. 21, 2019, 10 a.m. 2.2 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) 4.4 μg/m3 (18) 26.0
 
Jan. 21, 2019, 9 a.m. 2.3 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 33.0 ppb (25) N/A 3.0 μg/m3 (3) 5.7 μg/m3 (24) 25.0
 
Jan. 21, 2019, 8 a.m. 3.0 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 32.0 ppb (25) N/A 7.0 μg/m3 (6) 7.7 μg/m3 (32) 32.0
 
Jan. 21, 2019, 7 a.m. 3.5 ppb (3) 0.0 ppb (0) N/A 4.0 ppb (4) N/A 1.0 ppb (1) 31.0 ppb (24) N/A 18.0 μg/m3 (16) 10.6 μg/m3 (44) 44.0
 
Jan. 21, 2019, 6 a.m. 3.2 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 32.0 ppb (25) N/A 14.0 μg/m3 (13) 7.4 μg/m3 (31) 31.0
 
Jan. 21, 2019, 5 a.m. 3.2 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 32.0 ppb (25) N/A 6.0 μg/m3 (5) 6.8 μg/m3 (28) 28.0
 
Jan. 21, 2019, 4 a.m. 3.6 ppb (3) 0.0 ppb (0) N/A 4.0 ppb (4) N/A 1.0 ppb (1) 32.0 ppb (25) N/A 6.0 μg/m3 (5) 6.7 μg/m3 (28) 28.0
 
Jan. 21, 2019, 3 a.m. 3.9 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A 1.0 ppb (1) 32.0 ppb (25) N/A 13.0 μg/m3 (12) 5.4 μg/m3 (23) 25.0
 
Jan. 21, 2019, 2 a.m. 6.0 ppb (6) 0.1 ppb (0) N/A 6.0 ppb (6) N/A 1.0 ppb (1) 31.0 ppb (24) N/A 14.0 μg/m3 (13) 7.2 μg/m3 (30) 30.0
 
Jan. 21, 2019, 1 a.m. 12.1 ppb (11) 0.3 ppb (0) N/A 12.0 ppb (11) N/A 1.0 ppb (1) 25.0 ppb (19) N/A 17.0 μg/m3 (15) 9.1 μg/m3 (38) 38.0
 
Jan. 21, 2019, midnight 12.5 ppb (12) 0.5 ppb (0) N/A 12.0 ppb (11) N/A 1.0 ppb (1) 25.0 ppb (19) N/A 17.0 μg/m3 (15) 2.8 μg/m3 (12) 19.0
 
Jan. 20, 2019, 11 p.m. 9.7 ppb (9) 0.4 ppb (0) N/A 9.0 ppb (8) N/A 1.0 ppb (1) 28.0 ppb (22) N/A 5.0 μg/m3 (5) -1.6 μg/m3 (0) 22.0
 
Jan. 20, 2019, 10 p.m. 5.4 ppb (5) 0.7 ppb (1) N/A 5.0 ppb (5) N/A 1.0 ppb (1) 32.0 ppb (25) N/A 9.0 μg/m3 (8) 3.7 μg/m3 (15) 25.0
 
Jan. 20, 2019, 9 p.m. 4.8 ppb (4) 1.2 ppb (1) N/A 4.0 ppb (4) N/A 1.0 ppb (1) 34.0 ppb (26) N/A 10.0 μg/m3 (9) 6.8 μg/m3 (28) 28.0
 
Jan. 20, 2019, 8 p.m. 3.3 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 35.0 ppb (27) N/A 11.0 μg/m3 (10) 8.3 μg/m3 (35) 35.0
 
Jan. 20, 2019, 7 p.m. 4.4 ppb (4) 1.6 ppb (1) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 34.0 ppb (26) N/A 8.0 μg/m3 (7) 7.3 μg/m3 (30) 30.0
 
Jan. 20, 2019, 6 p.m. 5.0 ppb (5) 1.9 ppb (2) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 33.0 ppb (25) N/A 12.0 μg/m3 (11) 10.9 μg/m3 (45) 45.0
 
Jan. 20, 2019, 5 p.m. 6.3 ppb (6) 2.5 ppb (2) N/A 4.0 ppb (4) N/A 1.0 ppb (1) 32.0 ppb (25) N/A 7.0 μg/m3 (6) 8.3 μg/m3 (35) 35.0
 
Jan. 20, 2019, 4 p.m. 6.9 ppb (6) 2.5 ppb (2) N/A 4.0 ppb (4) N/A 1.0 ppb (1) 31.0 ppb (24) N/A 7.0 μg/m3 (6) 6.2 μg/m3 (26) 26.0
 
Jan. 20, 2019, 3 p.m. 4.9 ppb (5) 1.4 ppb (1) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 31.0 ppb (24) N/A 13.0 μg/m3 (12) 7.0 μg/m3 (29) 29.0
 
Jan. 20, 2019, 2 p.m. 4.4 ppb (4) 1.0 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 31.0 ppb (24) N/A 14.0 μg/m3 (13) 6.2 μg/m3 (26) 26.0
 
Jan. 20, 2019, 1 p.m. 4.2 ppb (4) 0.2 ppb (0) N/A 4.0 ppb (4) N/A 1.0 ppb (1) 31.0 ppb (24) N/A 7.0 μg/m3 (6) 6.2 μg/m3 (26) 26.0
 
Jan. 20, 2019, noon 5.8 ppb (5) 0.5 ppb (0) N/A 5.0 ppb (5) N/A 1.0 ppb (1) 29.0 ppb (22) N/A 9.0 μg/m3 (8) 6.7 μg/m3 (28) 28.0
 
Jan. 20, 2019, 11 a.m. 3.5 ppb (3) 0.7 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 29.0 ppb (22) N/A 9.0 μg/m3 (8) 6.8 μg/m3 (28) 28.0
 
Jan. 20, 2019, 10 a.m. 2.1 ppb (2) 0.3 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 30.0 ppb (23) N/A 11.0 μg/m3 (10) 7.9 μg/m3 (33) 33.0
 
Jan. 20, 2019, 9 a.m. 3.0 ppb (3) 0.4 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 30.0 ppb (23) N/A 7.0 μg/m3 (6) 7.9 μg/m3 (33) 33.0
 
Jan. 20, 2019, 8 a.m. 3.9 ppb (4) 0.6 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 29.0 ppb (22) N/A 5.0 μg/m3 (5) 9.0 μg/m3 (38) 38.0
 
Jan. 20, 2019, 7 a.m. 3.2 ppb (3) 0.1 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 29.0 ppb (22) N/A 22.0 μg/m3 (20) 12.9 μg/m3 (52) 52.0
 
Jan. 20, 2019, 6 a.m. 3.6 ppb (3) 0.2 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 29.0 ppb (22) N/A 11.0 μg/m3 (10) 7.4 μg/m3 (31) 31.0
 
Jan. 20, 2019, 5 a.m. 3.7 ppb (3) 0.3 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 30.0 ppb (23) N/A 7.0 μg/m3 (6) 6.5 μg/m3 (27) 27.0
 
Jan. 20, 2019, 4 a.m. 3.8 ppb (4) 0.8 ppb (1) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 30.0 ppb (23) N/A 16.0 μg/m3 (15) 8.8 μg/m3 (37) 37.0
 
Jan. 20, 2019, 3 a.m. 4.1 ppb (4) 1.2 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 29.0 ppb (22) N/A 9.0 μg/m3 (8) 9.9 μg/m3 (41) 41.0
 
Jan. 20, 2019, 2 a.m. 6.9 ppb (6) 1.4 ppb (1) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 28.0 ppb (22) N/A 20.0 μg/m3 (18) 5.7 μg/m3 (24) 24.0
 
Jan. 20, 2019, 1 a.m. 7.3 ppb (7) 1.2 ppb (1) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 28.0 ppb (22) N/A 23.0 μg/m3 (21) 4.9 μg/m3 (20) 22.0
 
Jan. 20, 2019, midnight 9.7 ppb (9) 1.1 ppb (1) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 27.0 ppb (21) N/A 15.0 μg/m3 (14) 7.9 μg/m3 (33) 33.0
 
Jan. 19, 2019, 11 p.m. 18.1 ppb (17) 3.0 ppb (3) N/A 15.0 ppb (14) N/A 1.0 ppb (1) 22.0 ppb (17) N/A 13.0 μg/m3 (12) 10.5 μg/m3 (44) 44.0
 
Jan. 19, 2019, 10 p.m. 12.6 ppb (12) 2.5 ppb (2) N/A 10.0 ppb (9) N/A 1.0 ppb (1) 28.0 ppb (22) N/A 23.0 μg/m3 (21) 6.6 μg/m3 (28) 28.0
 
Jan. 19, 2019, 9 p.m. 14.5 ppb (13) 4.9 ppb (5) N/A 10.0 ppb (9) N/A 1.0 ppb (1) 28.0 ppb (22) N/A 28.0 μg/m3 (25) 8.6 μg/m3 (36) 36.0
 
Jan. 19, 2019, 8 p.m. 13.9 ppb (13) 5.6 ppb (5) N/A 8.0 ppb (7) N/A 1.0 ppb (1) 29.0 ppb (22) N/A 26.0 μg/m3 (24) 9.1 μg/m3 (38) 38.0
 
Jan. 19, 2019, 7 p.m. 9.8 ppb (9) 3.4 ppb (3) N/A 6.0 ppb (6) N/A 1.0 ppb (1) 30.0 ppb (23) N/A 27.0 μg/m3 (25) 8.9 μg/m3 (37) 37.0
 
Jan. 19, 2019, 6 p.m. 14.1 ppb (13) 4.6 ppb (4) N/A 9.0 ppb (8) N/A 1.0 ppb (1) 28.0 ppb (22) N/A 31.0 μg/m3 (28) 10.6 μg/m3 (44) 44.0
 
Jan. 19, 2019, 5 p.m. 17.9 ppb (17) 6.6 ppb (6) N/A 11.0 ppb (10) N/A 1.0 ppb (1) 26.0 ppb (20) N/A 25.0 μg/m3 (23) 9.4 μg/m3 (39) 39.0
 
Jan. 19, 2019, 4 p.m. 15.6 ppb (14) 5.7 ppb (5) N/A 10.0 ppb (9) N/A 1.0 ppb (1) 26.0 ppb (20) N/A 25.0 μg/m3 (23) 10.1 μg/m3 (42) 42.0
 
Jan. 19, 2019, 3 p.m. 9.0 ppb (8) 2.0 ppb (2) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 27.0 ppb (21) N/A 23.0 μg/m3 (21) 12.0 μg/m3 (50) 50.0
 
Jan. 19, 2019, 2 p.m. 7.9 ppb (7) 0.8 ppb (1) N/A 7.0 ppb (6) N/A 1.0 ppb (1) 26.0 ppb (20) N/A 11.0 μg/m3 (10) 4.7 μg/m3 (20) 20.0
 
Jan. 19, 2019, 1 p.m. 10.4 ppb (10) 0.5 ppb (0) N/A 10.0 ppb (9) N/A 0.0 ppb (0) 23.0 ppb (18) N/A 10.0 μg/m3 (9) 5.7 μg/m3 (24) 24.0
 
Jan. 19, 2019, noon 8.1 ppb (8) 0.4 ppb (0) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 24.0 ppb (18) N/A 8.0 μg/m3 (7) 10.1 μg/m3 (42) 42.0
 
Jan. 19, 2019, 11 a.m. 7.7 ppb (7) 0.6 ppb (1) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 24.0 ppb (18) N/A 7.0 μg/m3 (6) 5.3 μg/m3 (22) 22.0
 
Jan. 19, 2019, 10 a.m. 5.6 ppb (5) 0.3 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 27.0 ppb (21) N/A 5.0 μg/m3 (5) 4.1 μg/m3 (17) 21.0
 
Jan. 19, 2019, 9 a.m. 3.8 ppb (4) 0.2 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 29.0 ppb (22) N/A 3.0 μg/m3 (3) 5.9 μg/m3 (25) 25.0
 
Jan. 19, 2019, 8 a.m. 3.7 ppb (3) 0.0 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 29.0 ppb (22) N/A 5.0 μg/m3 (5) 7.4 μg/m3 (31) 31.0
 
Jan. 19, 2019, 7 a.m. 2.5 ppb (2) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 31.0 ppb (24) N/A 11.0 μg/m3 (10) 10.5 μg/m3 (44) 44.0
 
Jan. 19, 2019, 6 a.m. 2.8 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 31.0 ppb (24) N/A -3.0 μg/m3 (0) 4.9 μg/m3 (20) 24.0
 
Jan. 19, 2019, 5 a.m. 2.6 ppb (2) 0.1 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 32.0 ppb (25) N/A 4.0 μg/m3 (4) 4.4 μg/m3 (18) 25.0
 
Jan. 19, 2019, 4 a.m. 3.5 ppb (3) 0.6 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 32.0 ppb (25) N/A 9.0 μg/m3 (8) 3.2 μg/m3 (13) 25.0
 
Jan. 19, 2019, 3 a.m. 3.9 ppb (4) 1.0 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 32.0 ppb (25) N/A 12.0 μg/m3 (11) 6.4 μg/m3 (27) 27.0
 
Jan. 19, 2019, 2 a.m. 4.2 ppb (4) 1.0 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 32.0 ppb (25) N/A 17.0 μg/m3 (15) 5.5 μg/m3 (23) 25.0
 
Jan. 19, 2019, 1 a.m. 3.3 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 33.0 ppb (25) N/A 13.0 μg/m3 (12) 3.8 μg/m3 (16) 25.0
 
Jan. 19, 2019, midnight 2.5 ppb (2) 0.7 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 34.0 ppb (26) N/A 14.0 μg/m3 (13) 4.2 μg/m3 (18) 26.0
 
Jan. 18, 2019, 11 p.m. 3.3 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 34.0 ppb (26) N/A 17.0 μg/m3 (15) 6.4 μg/m3 (27) 27.0
 
Jan. 18, 2019, 10 p.m. 3.9 ppb (4) 1.2 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 34.0 ppb (26) N/A 6.0 μg/m3 (5) 4.9 μg/m3 (20) 26.0
 
Jan. 18, 2019, 9 p.m. 3.1 ppb (3) 0.8 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 34.0 ppb (26) N/A 8.0 μg/m3 (7) 1.2 μg/m3 (5) 26.0
 
Jan. 18, 2019, 8 p.m. 2.7 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 34.0 ppb (26) N/A 13.0 μg/m3 (12) 2.3 μg/m3 (10) 26.0
 
Jan. 18, 2019, 7 p.m. 4.1 ppb (4) 1.8 ppb (2) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 34.0 ppb (26) N/A 12.0 μg/m3 (11) 3.1 μg/m3 (13) 26.0
 
Jan. 18, 2019, 6 p.m. 3.6 ppb (3) 1.4 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 33.0 ppb (25) N/A 4.0 μg/m3 (4) 4.4 μg/m3 (18) 25.0
 
Jan. 18, 2019, 5 p.m. 3.7 ppb (3) 1.6 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 33.0 ppb (25) N/A 20.0 μg/m3 (18) 5.7 μg/m3 (24) 25.0
 
Jan. 18, 2019, 4 p.m. 4.1 ppb (4) 1.6 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 33.0 ppb (25) N/A 3.0 μg/m3 (3) 4.2 μg/m3 (18) 25.0
 
Jan. 18, 2019, 3 p.m. 5.1 ppb (5) 1.8 ppb (2) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 32.0 ppb (25) N/A 4.0 μg/m3 (4) 3.2 μg/m3 (13) 25.0
 
Jan. 18, 2019, 2 p.m. 4.2 ppb (4) 1.2 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 33.0 ppb (25) N/A 13.0 μg/m3 (12) 3.4 μg/m3 (14) 25.0
 
Jan. 18, 2019, 1 p.m. 4.4 ppb (4) 1.5 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 34.0 ppb (26) N/A 4.0 μg/m3 (4) 4.6 μg/m3 (19) 26.0
 
Jan. 18, 2019, noon 3.9 ppb (4) 1.2 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 35.0 ppb (27) N/A 8.0 μg/m3 (7) 5.2 μg/m3 (22) 27.0
 
Jan. 18, 2019, 11 a.m. 7.0 ppb (6) 6.6 ppb (6) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 34.0 ppb (26) N/A 1.0 μg/m3 (1) 2.5 μg/m3 (10) 26.0
 
Jan. 18, 2019, 10 a.m. 2.3 ppb (2) 0.4 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 35.0 ppb (27) N/A 3.0 μg/m3 (3) 4.5 μg/m3 (19) 27.0
 
Jan. 18, 2019, 9 a.m. 2.4 ppb (2) 0.3 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 35.0 ppb (27) N/A 4.0 μg/m3 (4) 5.3 μg/m3 (22) 27.0
 
Jan. 18, 2019, 8 a.m. 3.1 ppb (3) 0.5 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 34.0 ppb (26) N/A 1.0 μg/m3 (1) 4.5 μg/m3 (19) 26.0
 
Jan. 18, 2019, 7 a.m. 2.8 ppb (3) 0.1 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 34.0 ppb (26) N/A 2.0 μg/m3 (2) 6.0 μg/m3 (25) 26.0
 
Jan. 18, 2019, 6 a.m. 4.1 ppb (4) 0.3 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 32.0 ppb (25) N/A 5.0 μg/m3 (5) 5.6 μg/m3 (23) 25.0
 
Jan. 18, 2019, 5 a.m. 4.5 ppb (4) 0.3 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 31.0 ppb (24) N/A 6.0 μg/m3 (5) 5.8 μg/m3 (24) 24.0
 
Jan. 18, 2019, 4 a.m. 5.2 ppb (5) 0.4 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 31.0 ppb (24) N/A 8.0 μg/m3 (7) 7.9 μg/m3 (33) 33.0
 
Jan. 18, 2019, 3 a.m. 6.0 ppb (6) 0.6 ppb (1) N/A 5.0 ppb (5) N/A 1.0 ppb (1) 30.0 ppb (23) N/A 13.0 μg/m3 (12) 4.4 μg/m3 (18) 23.0
 
Jan. 18, 2019, 2 a.m. 4.9 ppb (5) 0.8 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 31.0 ppb (24) N/A 17.0 μg/m3 (15) 3.5 μg/m3 (15) 24.0
 
Jan. 18, 2019, 1 a.m. 6.3 ppb (6) 0.7 ppb (1) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 28.0 ppb (22) N/A 10.0 μg/m3 (9) 4.4 μg/m3 (18) 22.0
 
Jan. 18, 2019, midnight 6.6 ppb (6) 1.1 ppb (1) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 28.0 ppb (22) N/A 12.0 μg/m3 (11) 4.1 μg/m3 (17) 22.0
 
Jan. 17, 2019, 11 p.m. 5.0 ppb (5) 0.8 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 30.0 ppb (23) N/A 16.0 μg/m3 (15) 5.5 μg/m3 (23) 23.0
 
Jan. 17, 2019, 10 p.m. 5.4 ppb (5) 0.9 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 31.0 ppb (24) N/A 9.0 μg/m3 (8) 6.8 μg/m3 (28) 28.0
 
Jan. 17, 2019, 9 p.m. 6.3 ppb (6) 1.6 ppb (1) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 30.0 ppb (23) N/A 24.0 μg/m3 (22) 4.0 μg/m3 (17) 23.0
 
Jan. 17, 2019, 8 p.m. 6.5 ppb (6) 1.8 ppb (2) N/A 5.0 ppb (5) N/A 1.0 ppb (1) 30.0 ppb (23) N/A 26.0 μg/m3 (24) 4.5 μg/m3 (19) 24.0
 
Jan. 17, 2019, 7 p.m. 5.1 ppb (5) 1.4 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 31.0 ppb (24) N/A 29.0 μg/m3 (26) 5.4 μg/m3 (23) 26.0
 
Jan. 17, 2019, 6 p.m. 6.9 ppb (6) 2.3 ppb (2) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 29.0 ppb (22) N/A 24.0 μg/m3 (22) 6.9 μg/m3 (29) 29.0
 
Jan. 17, 2019, 5 p.m. 8.8 ppb (8) 2.2 ppb (2) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 26.0 ppb (20) N/A 20.0 μg/m3 (18) 9.8 μg/m3 (41) 41.0
 
Jan. 17, 2019, 4 p.m. 8.1 ppb (8) 1.5 ppb (1) N/A 7.0 ppb (6) N/A 1.0 ppb (1) 26.0 ppb (20) N/A 29.0 μg/m3 (26) 7.9 μg/m3 (33) 33.0
 
Jan. 17, 2019, 3 p.m. 9.9 ppb (9) 1.7 ppb (2) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 25.0 ppb (19) N/A 54.0 μg/m3 (49) 8.3 μg/m3 (35) 49.0
 
Jan. 17, 2019, 2 p.m. 13.7 ppb (13) 1.5 ppb (1) N/A 12.0 ppb (11) N/A 0.0 ppb (0) 19.0 ppb (15) N/A 28.0 μg/m3 (25) 7.4 μg/m3 (31) 31.0
 
Jan. 17, 2019, 1 p.m. 11.1 ppb (10) 1.0 ppb (1) N/A 10.0 ppb (9) N/A 0.0 ppb (0) 21.0 ppb (16) N/A 19.0 μg/m3 (17) 7.4 μg/m3 (31) 31.0
 
Jan. 17, 2019, noon 9.2 ppb (9) 1.1 ppb (1) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 22.0 ppb (17) N/A 13.0 μg/m3 (12) 4.6 μg/m3 (19) 19.0
 
Jan. 17, 2019, 11 a.m. 8.3 ppb (8) 0.7 ppb (1) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 20.0 ppb (15) N/A 8.0 μg/m3 (7) 3.7 μg/m3 (15) 15.0
 
Jan. 17, 2019, 10 a.m. 9.7 ppb (9) 0.4 ppb (0) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 18.0 ppb (14) N/A 10.0 μg/m3 (9) 4.2 μg/m3 (18) 18.0
 
Jan. 17, 2019, 9 a.m. 10.6 ppb (10) 1.0 ppb (1) N/A 10.0 ppb (9) N/A 0.0 ppb (0) 16.0 ppb (12) N/A 9.0 μg/m3 (8) 4.3 μg/m3 (18) 18.0
 
Jan. 17, 2019, 8 a.m. 6.6 ppb (6) 0.0 ppb (0) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 20.0 ppb (15) N/A 7.0 μg/m3 (6) 3.9 μg/m3 (16) 16.0
 
Jan. 17, 2019, 7 a.m. 9.7 ppb (9) 0.4 ppb (0) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 20.0 ppb (15) N/A 25.0 μg/m3 (23) 14.8 μg/m3 (56) 56.0
 
Jan. 17, 2019, 6 a.m. 12.0 ppb (11) 0.7 ppb (1) N/A 11.0 ppb (10) N/A 0.0 ppb (0) 19.0 ppb (15) N/A 5.0 μg/m3 (5) 0.0 μg/m3 (0) 15.0
 
Jan. 17, 2019, 5 a.m. 14.5 ppb (13) 0.7 ppb (1) N/A 14.0 ppb (13) N/A 0.0 ppb (0) 18.0 ppb (14) N/A 14.0 μg/m3 (13) 3.1 μg/m3 (13) 14.0
 
Jan. 17, 2019, 4 a.m. 9.3 ppb (9) 0.2 ppb (0) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 24.0 ppb (18) N/A 4.0 μg/m3 (4) 3.5 μg/m3 (15) 18.0
 
Jan. 17, 2019, 3 a.m. 8.7 ppb (8) 1.5 ppb (1) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 27.0 ppb (21) N/A 68.0 μg/m3 (56) 3.7 μg/m3 (15) 56.0
 
Jan. 17, 2019, 2 a.m. 16.9 ppb (16) 2.2 ppb (2) N/A 15.0 ppb (14) N/A 0.0 ppb (0) 19.0 ppb (15) N/A 52.0 μg/m3 (47) 3.8 μg/m3 (16) 47.0
 
Jan. 17, 2019, 1 a.m. 20.1 ppb (19) 1.4 ppb (1) N/A 19.0 ppb (18) N/A 1.0 ppb (1) 15.0 ppb (12) N/A 23.0 μg/m3 (21) 1.9 μg/m3 (8) 21.0
 
Jan. 17, 2019, midnight 20.2 ppb (19) 3.6 ppb (3) N/A 17.0 ppb (16) N/A 1.0 ppb (1) 20.0 ppb (15) N/A 20.0 μg/m3 (18) 3.7 μg/m3 (15) 19.0
 
Jan. 16, 2019, 11 p.m. 17.2 ppb (16) 4.9 ppb (5) N/A 12.0 ppb (11) N/A 1.0 ppb (1) 24.0 ppb (18) N/A 10.0 μg/m3 (9) 33.2 μg/m3 (95) 95.0
 
Jan. 16, 2019, 10 p.m. 7.1 ppb (7) 1.6 ppb (1) N/A 5.0 ppb (5) N/A 1.0 ppb (1) 32.0 ppb (25) N/A 1.0 μg/m3 (1) 2.6 μg/m3 (11) 25.0
 
Jan. 16, 2019, 9 p.m. 4.7 ppb (4) 1.3 ppb (1) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 34.0 ppb (26) N/A 19.0 μg/m3 (17) 7.2 μg/m3 (30) 30.0
 
Jan. 16, 2019, 8 p.m. 10.0 ppb (9) 4.0 ppb (4) N/A 6.0 ppb (6) N/A 1.0 ppb (1) N/A N/A 62.0 μg/m3 (54) 9.1 μg/m3 (38) 54.0
 
Jan. 16, 2019, 7 p.m. 334.3 ppb (145) N/A N/A N/A N/A N/A N/A N/A N/A N/A 145.0