AQSQID: 380171004

Site Name: Fargo Nw

Location: Fargo (40th Ave N), ND

Reporting: True, Located: True

Current AQI: 40.0

Fargo (40th Ave N) ND, US: 46.933601, -96.854698

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Jan. 22, 2020, 6 p.m. 15.0 ppb (14) 6.5 ppb (6) N/A 8.0 ppb (7) N/A 1.0 ppb (1) 25.0 ppb (19) N/A 17.0 μg/m3 (15) 9.5 μg/m3 (40) 40.0
 
Jan. 22, 2020, 5 p.m. 13.1 ppb (12) 5.2 ppb (5) N/A 8.0 ppb (7) N/A 1.0 ppb (1) 23.0 ppb (18) N/A 29.0 μg/m3 (26) 16.8 μg/m3 (60) 60.0
 
Jan. 22, 2020, 4 p.m. 46.7 ppb (43) 28.0 ppb (26) N/A 19.0 ppb (18) N/A 1.0 ppb (1) 15.0 ppb (12) N/A 25.0 μg/m3 (23) 18.9 μg/m3 (65) 65.0
 
Jan. 22, 2020, 3 p.m. 84.3 ppb (82) 55.0 ppb (51) N/A 29.0 ppb (27) N/A 1.0 ppb (1) 7.0 ppb (5) N/A 26.0 μg/m3 (24) 14.4 μg/m3 (55) 82.0
 
Jan. 22, 2020, 2 p.m. 59.2 ppb (56) 28.4 ppb (26) N/A 31.0 ppb (29) N/A 1.0 ppb (1) 4.0 ppb (3) N/A 17.0 μg/m3 (15) 13.0 μg/m3 (52) 56.0
 
Jan. 22, 2020, 1 p.m. 34.0 ppb (31) 7.5 ppb (7) N/A 27.0 ppb (25) N/A 1.0 ppb (1) 6.0 ppb (5) N/A 13.0 μg/m3 (12) 11.2 μg/m3 (47) 47.0
 
Jan. 22, 2020, noon 21.0 ppb (19) 0.6 ppb (1) N/A 20.0 ppb (19) N/A 1.0 ppb (1) 12.0 ppb (9) N/A 14.0 μg/m3 (13) 14.5 μg/m3 (55) 55.0
 
Jan. 22, 2020, 11 a.m. 12.5 ppb (12) 0.2 ppb (0) N/A 12.0 ppb (11) N/A 1.0 ppb (1) 19.0 ppb (15) N/A 17.0 μg/m3 (15) 12.1 μg/m3 (50) 50.0
 
Jan. 22, 2020, 10 a.m. 11.8 ppb (11) 0.2 ppb (0) N/A 12.0 ppb (11) N/A 1.0 ppb (1) 20.0 ppb (15) N/A 14.0 μg/m3 (13) 10.3 μg/m3 (43) 43.0
 
Jan. 22, 2020, 9 a.m. 11.1 ppb (10) 0.2 ppb (0) N/A 11.0 ppb (10) N/A 1.0 ppb (1) 21.0 ppb (16) N/A 13.0 μg/m3 (12) 12.1 μg/m3 (50) 50.0
 
Jan. 22, 2020, 8 a.m. 10.0 ppb (9) 0.1 ppb (0) N/A 10.0 ppb (9) N/A 1.0 ppb (1) 23.0 ppb (18) N/A 15.0 μg/m3 (14) 8.2 μg/m3 (34) 34.0
 
Jan. 22, 2020, 7 a.m. 11.4 ppb (11) 0.2 ppb (0) N/A 11.0 ppb (10) N/A 1.0 ppb (1) 22.0 ppb (17) N/A 13.0 μg/m3 (12) 9.6 μg/m3 (40) 40.0
 
Jan. 22, 2020, 6 a.m. 10.2 ppb (9) 0.1 ppb (0) N/A 10.0 ppb (9) N/A 1.0 ppb (1) 24.0 ppb (18) N/A 16.0 μg/m3 (15) 11.4 μg/m3 (48) 48.0
 
Jan. 22, 2020, 5 a.m. 10.5 ppb (10) 0.1 ppb (0) N/A 10.0 ppb (9) N/A 1.0 ppb (1) 25.0 ppb (19) N/A 14.0 μg/m3 (13) 11.5 μg/m3 (48) 48.0
 
Jan. 22, 2020, 4 a.m. 9.7 ppb (9) 0.1 ppb (0) N/A 10.0 ppb (9) N/A 1.0 ppb (1) 27.0 ppb (21) N/A 17.0 μg/m3 (15) 10.5 μg/m3 (44) 44.0
 
Jan. 22, 2020, 3 a.m. 10.4 ppb (10) 0.1 ppb (0) N/A 10.0 ppb (9) N/A 1.0 ppb (1) 27.0 ppb (21) N/A 18.0 μg/m3 (16) 9.1 μg/m3 (38) 38.0
 
Jan. 22, 2020, 2 a.m. 10.7 ppb (10) 0.1 ppb (0) N/A 11.0 ppb (10) N/A 1.0 ppb (1) 27.0 ppb (21) N/A 12.0 μg/m3 (11) 7.8 μg/m3 (32) 32.0
 
Jan. 22, 2020, 1 a.m. 9.7 ppb (9) 0.1 ppb (0) N/A 10.0 ppb (9) N/A 1.0 ppb (1) 29.0 ppb (22) N/A 13.0 μg/m3 (12) 8.3 μg/m3 (35) 35.0
 
Jan. 22, 2020, midnight 9.5 ppb (9) 0.2 ppb (0) N/A 9.0 ppb (8) N/A 1.0 ppb (1) 30.0 ppb (23) N/A 15.0 μg/m3 (14) 12.4 μg/m3 (51) 51.0
 
Jan. 21, 2020, 11 p.m. 9.0 ppb (8) 0.2 ppb (0) N/A 9.0 ppb (8) N/A 1.0 ppb (1) 31.0 ppb (24) N/A 18.0 μg/m3 (16) 11.6 μg/m3 (48) 48.0
 
Jan. 21, 2020, 10 p.m. 9.8 ppb (9) 1.0 ppb (1) N/A 9.0 ppb (8) N/A 1.0 ppb (1) 32.0 ppb (25) N/A 20.0 μg/m3 (18) 10.3 μg/m3 (43) 43.0
 
Jan. 21, 2020, 9 p.m. 11.4 ppb (11) 2.4 ppb (2) N/A 9.0 ppb (8) N/A 1.0 ppb (1) 32.0 ppb (25) N/A 13.0 μg/m3 (12) 6.8 μg/m3 (28) 28.0
 
Jan. 21, 2020, 8 p.m. 10.4 ppb (10) 3.0 ppb (3) N/A 7.0 ppb (6) N/A 1.0 ppb (1) 33.0 ppb (25) N/A 14.0 μg/m3 (13) 10.4 μg/m3 (43) 43.0
 
Jan. 21, 2020, 7 p.m. 8.9 ppb (8) 3.0 ppb (3) N/A 6.0 ppb (6) N/A 1.0 ppb (1) 34.0 ppb (26) N/A 12.0 μg/m3 (11) 7.5 μg/m3 (31) 31.0
 
Jan. 21, 2020, 6 p.m. 7.5 ppb (7) 2.5 ppb (2) N/A 5.0 ppb (5) N/A 1.0 ppb (1) 34.0 ppb (26) N/A 15.0 μg/m3 (14) 8.0 μg/m3 (33) 33.0
 
Jan. 21, 2020, 5 p.m. 7.0 ppb (6) 2.3 ppb (2) N/A 5.0 ppb (5) N/A 1.0 ppb (1) 33.0 ppb (25) N/A 10.0 μg/m3 (9) 9.6 μg/m3 (40) 40.0
 
Jan. 21, 2020, 4 p.m. 7.2 ppb (7) 2.3 ppb (2) N/A 5.0 ppb (5) N/A 1.0 ppb (1) 32.0 ppb (25) N/A 0.0 μg/m3 (0) 7.0 μg/m3 (29) 29.0
 
Jan. 21, 2020, 3 p.m. 6.8 ppb (6) 1.4 ppb (1) N/A 5.0 ppb (5) N/A 1.0 ppb (1) 31.0 ppb (24) N/A 6.0 μg/m3 (5) 7.6 μg/m3 (32) 32.0
 
Jan. 21, 2020, 2 p.m. 9.4 ppb (9) 0.9 ppb (1) N/A 8.0 ppb (7) N/A 1.0 ppb (1) 28.0 ppb (22) N/A 14.0 μg/m3 (13) 8.1 μg/m3 (34) 34.0
 
Jan. 21, 2020, 1 p.m. 9.9 ppb (9) 0.2 ppb (0) N/A 10.0 ppb (9) N/A 1.0 ppb (1) 27.0 ppb (21) N/A 12.0 μg/m3 (11) 8.2 μg/m3 (34) 34.0
 
Jan. 21, 2020, noon 9.7 ppb (9) 0.2 ppb (0) N/A 9.0 ppb (8) N/A 1.0 ppb (1) 27.0 ppb (21) N/A 0.0 μg/m3 (0) 4.2 μg/m3 (18) 21.0
 
Jan. 21, 2020, 11 a.m. 6.9 ppb (6) 0.1 ppb (0) N/A 7.0 ppb (6) N/A 1.0 ppb (1) 29.0 ppb (22) N/A 3.0 μg/m3 (3) 4.7 μg/m3 (20) 22.0
 
Jan. 21, 2020, 10 a.m. 7.2 ppb (7) 0.1 ppb (0) N/A 7.0 ppb (6) N/A 1.0 ppb (1) 29.0 ppb (22) N/A 8.0 μg/m3 (7) 8.8 μg/m3 (37) 37.0
 
Jan. 21, 2020, 9 a.m. 10.5 ppb (10) 0.2 ppb (0) N/A 10.0 ppb (9) N/A 1.0 ppb (1) 27.0 ppb (21) N/A 3.0 μg/m3 (3) 9.6 μg/m3 (40) 40.0
 
Jan. 21, 2020, 8 a.m. 7.6 ppb (7) 0.2 ppb (0) N/A 7.0 ppb (6) N/A 1.0 ppb (1) 29.0 ppb (22) N/A 3.0 μg/m3 (3) 9.1 μg/m3 (38) 38.0
 
Jan. 21, 2020, 7 a.m. 8.5 ppb (8) 0.2 ppb (0) N/A 8.0 ppb (7) N/A 1.0 ppb (1) 29.0 ppb (22) N/A 2.0 μg/m3 (2) 14.7 μg/m3 (56) 56.0
 
Jan. 21, 2020, 6 a.m. 14.0 ppb (13) 0.2 ppb (0) N/A 14.0 ppb (13) N/A 1.0 ppb (1) 24.0 ppb (18) N/A 2.0 μg/m3 (2) 6.5 μg/m3 (27) 27.0
 
Jan. 21, 2020, 5 a.m. 11.2 ppb (10) 0.1 ppb (0) N/A 11.0 ppb (10) N/A 1.0 ppb (1) 27.0 ppb (21) N/A 3.0 μg/m3 (3) 9.2 μg/m3 (38) 38.0
 
Jan. 21, 2020, 4 a.m. 11.3 ppb (10) 0.2 ppb (0) N/A 11.0 ppb (10) N/A 1.0 ppb (1) 26.0 ppb (20) N/A 7.0 μg/m3 (6) 9.2 μg/m3 (38) 38.0
 
Jan. 21, 2020, 3 a.m. 13.9 ppb (13) 0.2 ppb (0) N/A 14.0 ppb (13) N/A 1.0 ppb (1) 24.0 ppb (18) N/A 8.0 μg/m3 (7) 10.6 μg/m3 (44) 44.0
 
Jan. 21, 2020, 2 a.m. 14.2 ppb (13) 0.2 ppb (0) N/A 14.0 ppb (13) N/A 1.0 ppb (1) 23.0 ppb (18) N/A 2.0 μg/m3 (2) 6.5 μg/m3 (27) 27.0
 
Jan. 21, 2020, 1 a.m. 19.3 ppb (18) 0.4 ppb (0) N/A 19.0 ppb (18) N/A 1.0 ppb (1) 18.0 ppb (14) N/A 5.0 μg/m3 (5) 8.0 μg/m3 (33) 33.0
 
Jan. 21, 2020, midnight 16.7 ppb (15) 0.3 ppb (0) N/A 16.0 ppb (15) N/A 1.0 ppb (1) 21.0 ppb (16) N/A 11.0 μg/m3 (10) 6.0 μg/m3 (25) 25.0
 
Jan. 20, 2020, 11 p.m. 17.0 ppb (16) 0.6 ppb (1) N/A 16.0 ppb (15) N/A 1.0 ppb (1) 21.0 ppb (16) N/A -2.0 μg/m3 (0) 2.7 μg/m3 (11) 16.0
 
Jan. 20, 2020, 10 p.m. 11.8 ppb (11) 2.3 ppb (2) N/A 10.0 ppb (9) N/A 1.0 ppb (1) 28.0 ppb (22) N/A 0.0 μg/m3 (0) 5.9 μg/m3 (25) 25.0
 
Jan. 20, 2020, 9 p.m. 10.0 ppb (9) 3.5 ppb (3) N/A 6.0 ppb (6) N/A 1.0 ppb (1) 31.0 ppb (24) N/A 3.0 μg/m3 (3) 7.1 μg/m3 (30) 30.0
 
Jan. 20, 2020, 8 p.m. 12.5 ppb (12) 5.6 ppb (5) N/A 7.0 ppb (6) N/A 1.0 ppb (1) 30.0 ppb (23) N/A 5.0 μg/m3 (5) 5.7 μg/m3 (24) 24.0
 
Jan. 20, 2020, 7 p.m. 14.1 ppb (13) 7.0 ppb (6) N/A 7.0 ppb (6) N/A 1.0 ppb (1) 30.0 ppb (23) N/A 9.0 μg/m3 (8) 7.5 μg/m3 (31) 31.0
 
Jan. 20, 2020, 6 p.m. 15.4 ppb (14) 7.9 ppb (7) N/A 7.0 ppb (6) N/A 1.0 ppb (1) 30.0 ppb (23) N/A 7.0 μg/m3 (6) 7.9 μg/m3 (33) 33.0
 
Jan. 20, 2020, 5 p.m. 23.3 ppb (22) 12.6 ppb (12) N/A 11.0 ppb (10) N/A 1.0 ppb (1) 27.0 ppb (21) N/A 0.0 μg/m3 (0) 8.9 μg/m3 (37) 37.0
 
Jan. 20, 2020, 4 p.m. 30.9 ppb (29) 17.4 ppb (16) N/A 14.0 ppb (13) N/A 1.0 ppb (1) 23.0 ppb (18) N/A 6.0 μg/m3 (5) 14.6 μg/m3 (56) 56.0
 
Jan. 20, 2020, 3 p.m. 86.9 ppb (85) 53.7 ppb (50) N/A 33.0 ppb (31) N/A 1.0 ppb (1) 11.0 ppb (8) N/A 11.0 μg/m3 (10) 5.2 μg/m3 (22) 85.0
 
Jan. 20, 2020, 2 p.m. 66.1 ppb (63) 31.7 ppb (29) N/A 34.0 ppb (31) N/A 1.0 ppb (1) 6.0 ppb (5) N/A 5.0 μg/m3 (5) 2.2 μg/m3 (9) 63.0
 
Jan. 20, 2020, 1 p.m. 22.1 ppb (20) 1.7 ppb (2) N/A 20.0 ppb (19) N/A 1.0 ppb (1) 12.0 ppb (9) N/A 8.0 μg/m3 (7) 4.1 μg/m3 (17) 20.0
 
Jan. 20, 2020, noon 7.8 ppb (7) 0.2 ppb (0) N/A 8.0 ppb (7) N/A 1.0 ppb (1) 24.0 ppb (18) N/A 9.0 μg/m3 (8) 4.3 μg/m3 (18) 18.0
 
Jan. 20, 2020, 11 a.m. 13.1 ppb (12) 1.2 ppb (1) N/A 12.0 ppb (11) N/A 1.0 ppb (1) 20.0 ppb (15) N/A -2.0 μg/m3 (0) 2.0 μg/m3 (8) 15.0
 
Jan. 20, 2020, 10 a.m. 6.7 ppb (6) 0.1 ppb (0) N/A 7.0 ppb (6) N/A 1.0 ppb (1) 25.0 ppb (19) N/A -3.0 μg/m3 (0) 2.6 μg/m3 (11) 19.0
 
Jan. 20, 2020, 9 a.m. 4.9 ppb (5) 0.1 ppb (0) N/A 5.0 ppb (5) N/A 1.0 ppb (1) 27.0 ppb (21) N/A -4.0 μg/m3 (0) 3.6 μg/m3 (15) 21.0
 
Jan. 20, 2020, 8 a.m. 2.3 ppb (2) 0.1 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 30.0 ppb (23) N/A -3.0 μg/m3 (0) 1.9 μg/m3 (8) 23.0
 
Jan. 20, 2020, 7 a.m. 1.9 ppb (2) 0.1 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 31.0 ppb (24) N/A -2.0 μg/m3 (0) 2.0 μg/m3 (8) 24.0
 
Jan. 20, 2020, 6 a.m. 1.7 ppb (2) 0.1 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 32.0 ppb (25) N/A -3.0 μg/m3 (0) 2.1 μg/m3 (9) 25.0
 
Jan. 20, 2020, 5 a.m. 1.5 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 32.0 ppb (25) N/A -2.0 μg/m3 (0) 4.6 μg/m3 (19) 25.0
 
Jan. 20, 2020, 4 a.m. 2.0 ppb (2) 0.3 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 32.0 ppb (25) N/A -2.0 μg/m3 (0) 4.1 μg/m3 (17) 25.0
 
Jan. 20, 2020, 3 a.m. 1.8 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 31.0 ppb (24) N/A -1.0 μg/m3 (0) 2.5 μg/m3 (10) 24.0
 
Jan. 20, 2020, 2 a.m. 2.4 ppb (2) 0.5 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 31.0 ppb (24) N/A 1.0 μg/m3 (1) 2.5 μg/m3 (10) 24.0
 
Jan. 20, 2020, 1 a.m. 2.8 ppb (3) 0.9 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 31.0 ppb (24) N/A 4.0 μg/m3 (4) 3.0 μg/m3 (12) 24.0
 
Jan. 20, 2020, midnight 2.2 ppb (2) 0.5 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 32.0 ppb (25) N/A 14.0 μg/m3 (13) 3.6 μg/m3 (15) 25.0
 
Jan. 19, 2020, 11 p.m. 2.2 ppb (2) 0.4 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 33.0 ppb (25) N/A 4.0 μg/m3 (4) 2.2 μg/m3 (9) 25.0
 
Jan. 19, 2020, 10 p.m. 2.6 ppb (2) 0.7 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 33.0 ppb (25) N/A 5.0 μg/m3 (5) 3.7 μg/m3 (15) 25.0
 
Jan. 19, 2020, 9 p.m. 2.0 ppb (2) 0.5 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 33.0 ppb (25) N/A 8.0 μg/m3 (7) 3.7 μg/m3 (15) 25.0
 
Jan. 19, 2020, 8 p.m. 2.2 ppb (2) 0.7 ppb (1) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 32.0 ppb (25) N/A 5.0 μg/m3 (5) 0.3 μg/m3 (1) 25.0
 
Jan. 19, 2020, 7 p.m. 2.7 ppb (3) 1.1 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 32.0 ppb (25) N/A 10.0 μg/m3 (9) 2.4 μg/m3 (10) 25.0
 
Jan. 19, 2020, 6 p.m. 2.4 ppb (2) 1.0 ppb (1) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 30.0 ppb (23) N/A 7.0 μg/m3 (6) 5.2 μg/m3 (22) 23.0
 
Jan. 19, 2020, 5 p.m. 2.5 ppb (2) 1.1 ppb (1) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 29.0 ppb (22) N/A 7.0 μg/m3 (6) 5.9 μg/m3 (25) 25.0
 
Jan. 19, 2020, 4 p.m. 3.0 ppb (3) 1.3 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 28.0 ppb (22) N/A 8.0 μg/m3 (7) 6.6 μg/m3 (28) 28.0
 
Jan. 19, 2020, 3 p.m. 3.5 ppb (3) 1.3 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 27.0 ppb (21) N/A N/A 4.3 μg/m3 (18) 21.0
 
Jan. 19, 2020, 2 p.m. 2.8 ppb (3) 0.5 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 26.0 ppb (20) N/A -2.0 μg/m3 (0) 3.3 μg/m3 (14) 20.0
 
Jan. 19, 2020, 1 p.m. 2.8 ppb (3) 0.4 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 26.0 ppb (20) N/A 4.0 μg/m3 (4) 3.6 μg/m3 (15) 20.0
 
Jan. 19, 2020, noon 2.4 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 26.0 ppb (20) N/A N/A 2.2 μg/m3 (9) 20.0
 
Jan. 19, 2020, 11 a.m. 2.8 ppb (3) 0.3 ppb (0) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 26.0 ppb (20) N/A -3.0 μg/m3 (0) 1.0 μg/m3 (4) 20.0
 
Jan. 19, 2020, 10 a.m. 2.6 ppb (2) 0.1 ppb (0) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 26.0 ppb (20) N/A 7.0 μg/m3 (6) 3.8 μg/m3 (16) 20.0
 
Jan. 19, 2020, 9 a.m. 2.5 ppb (2) 0.1 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 26.0 ppb (20) N/A 5.0 μg/m3 (5) 5.4 μg/m3 (23) 23.0
 
Jan. 19, 2020, 8 a.m. 2.4 ppb (2) 0.1 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 27.0 ppb (21) N/A 5.0 μg/m3 (5) 5.3 μg/m3 (22) 22.0
 
Jan. 19, 2020, 7 a.m. 2.4 ppb (2) 0.1 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 27.0 ppb (21) N/A 3.0 μg/m3 (3) 4.7 μg/m3 (20) 21.0
 
Jan. 19, 2020, 6 a.m. 2.4 ppb (2) 0.1 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 27.0 ppb (21) N/A 0.0 μg/m3 (0) 3.2 μg/m3 (13) 21.0
 
Jan. 19, 2020, 5 a.m. 2.3 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 27.0 ppb (21) N/A 5.0 μg/m3 (5) 4.7 μg/m3 (20) 21.0
 
Jan. 19, 2020, 4 a.m. 2.3 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 28.0 ppb (22) N/A 8.0 μg/m3 (7) 7.5 μg/m3 (31) 31.0
 
Jan. 19, 2020, 3 a.m. 2.0 ppb (2) 0.3 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 28.0 ppb (22) N/A 3.0 μg/m3 (3) 8.8 μg/m3 (37) 37.0
 
Jan. 19, 2020, 2 a.m. 2.4 ppb (2) 0.5 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 27.0 ppb (21) N/A -4.0 μg/m3 (0) 5.2 μg/m3 (22) 22.0
 
Jan. 19, 2020, 1 a.m. 2.5 ppb (2) 0.8 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 27.0 ppb (21) N/A -1.0 μg/m3 (0) 6.3 μg/m3 (26) 26.0
 
Jan. 19, 2020, midnight 2.1 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 27.0 ppb (21) N/A 3.0 μg/m3 (3) 6.5 μg/m3 (27) 27.0
 
Jan. 18, 2020, 11 p.m. 2.1 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 27.0 ppb (21) N/A 4.0 μg/m3 (4) 6.5 μg/m3 (27) 27.0
 
Jan. 18, 2020, 10 p.m. 2.0 ppb (2) 0.4 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 27.0 ppb (21) N/A 1.0 μg/m3 (1) 5.1 μg/m3 (21) 21.0
 
Jan. 18, 2020, 9 p.m. 2.0 ppb (2) 0.6 ppb (1) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 27.0 ppb (21) N/A 3.0 μg/m3 (3) 6.4 μg/m3 (27) 27.0
 
Jan. 18, 2020, 8 p.m. 2.1 ppb (2) 0.7 ppb (1) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 27.0 ppb (21) N/A 6.0 μg/m3 (5) 9.4 μg/m3 (39) 39.0
 
Jan. 18, 2020, 7 p.m. 2.0 ppb (2) 0.7 ppb (1) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 27.0 ppb (21) N/A 9.0 μg/m3 (8) 8.0 μg/m3 (33) 33.0
 
Jan. 18, 2020, 6 p.m. 2.3 ppb (2) 1.0 ppb (1) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 27.0 ppb (21) N/A 4.0 μg/m3 (4) 6.7 μg/m3 (28) 28.0
 
Jan. 18, 2020, 5 p.m. 2.1 ppb (2) 0.6 ppb (1) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 27.0 ppb (21) N/A 9.0 μg/m3 (8) 11.5 μg/m3 (48) 48.0
 
Jan. 18, 2020, 4 p.m. 1.6 ppb (1) 0.4 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 28.0 ppb (22) N/A 9.0 μg/m3 (8) 7.5 μg/m3 (31) 31.0
 
Jan. 18, 2020, 3 p.m. 2.0 ppb (2) 0.5 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 29.0 ppb (22) N/A 2.0 μg/m3 (2) 8.7 μg/m3 (36) 36.0
 
Jan. 18, 2020, 2 p.m. 2.1 ppb (2) 0.3 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 28.0 ppb (22) N/A 5.0 μg/m3 (5) 30.8 μg/m3 (90) 90.0
 
Jan. 18, 2020, 1 p.m. 2.4 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 28.0 ppb (22) N/A 5.0 μg/m3 (5) 18.7 μg/m3 (64) 64.0
 
Jan. 18, 2020, noon 2.5 ppb (2) 0.1 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 28.0 ppb (22) N/A -3.0 μg/m3 (0) 19.5 μg/m3 (66) 66.0
 
Jan. 18, 2020, 11 a.m. 2.6 ppb (2) 0.1 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 28.0 ppb (22) N/A N/A 23.1 μg/m3 (74) 74.0
 
Jan. 18, 2020, 10 a.m. 2.8 ppb (3) 0.1 ppb (0) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 29.0 ppb (22) N/A -4.0 μg/m3 (0) 25.0 μg/m3 (78) 78.0
 
Jan. 18, 2020, 9 a.m. 2.9 ppb (3) 0.1 ppb (0) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 29.0 ppb (22) N/A 6.0 μg/m3 (5) 5.9 μg/m3 (25) 25.0
 
Jan. 18, 2020, 8 a.m. 3.9 ppb (4) 0.1 ppb (0) N/A 4.0 ppb (4) N/A 1.0 ppb (1) 28.0 ppb (22) N/A 12.0 μg/m3 (11) 7.3 μg/m3 (30) 30.0
 
Jan. 18, 2020, 7 a.m. 8.0 ppb (7) 0.1 ppb (0) N/A 8.0 ppb (7) N/A 1.0 ppb (1) 23.0 ppb (18) N/A 13.0 μg/m3 (12) 5.5 μg/m3 (23) 23.0
 
Jan. 18, 2020, 6 a.m. 8.2 ppb (8) 0.2 ppb (0) N/A 8.0 ppb (7) N/A 1.0 ppb (1) 24.0 ppb (18) N/A 11.0 μg/m3 (10) 5.9 μg/m3 (25) 25.0
 
Jan. 18, 2020, 5 a.m. 9.6 ppb (9) 0.2 ppb (0) N/A 9.0 ppb (8) N/A 2.0 ppb (3) 23.0 ppb (18) N/A 10.0 μg/m3 (9) 6.4 μg/m3 (27) 27.0
 
Jan. 18, 2020, 4 a.m. 8.6 ppb (8) 0.3 ppb (0) N/A 8.0 ppb (7) N/A 2.0 ppb (3) 25.0 ppb (19) N/A 8.0 μg/m3 (7) 7.9 μg/m3 (33) 33.0
 
Jan. 18, 2020, 3 a.m. 6.8 ppb (6) 0.2 ppb (0) N/A 7.0 ppb (6) N/A 1.0 ppb (1) 27.0 ppb (21) N/A 5.0 μg/m3 (5) 9.2 μg/m3 (38) 38.0
 
Jan. 18, 2020, 2 a.m. 5.7 ppb (5) 0.2 ppb (0) N/A 6.0 ppb (6) N/A 1.0 ppb (1) 29.0 ppb (22) N/A 6.0 μg/m3 (5) 5.4 μg/m3 (23) 23.0
 
Jan. 18, 2020, 1 a.m. 4.8 ppb (4) 0.2 ppb (0) N/A 5.0 ppb (5) N/A 1.0 ppb (1) 31.0 ppb (24) N/A 8.0 μg/m3 (7) 4.4 μg/m3 (18) 24.0
 
Jan. 18, 2020, midnight 4.3 ppb (4) 0.1 ppb (0) N/A 4.0 ppb (4) N/A 1.0 ppb (1) 33.0 ppb (25) N/A 8.0 μg/m3 (7) 3.5 μg/m3 (15) 25.0
 
Jan. 17, 2020, 11 p.m. 3.9 ppb (4) 0.1 ppb (0) N/A 4.0 ppb (4) N/A 1.0 ppb (1) 34.0 ppb (26) N/A 9.0 μg/m3 (8) 7.5 μg/m3 (31) 31.0
 
Jan. 17, 2020, 10 p.m. 3.9 ppb (4) 0.2 ppb (0) N/A 4.0 ppb (4) N/A 1.0 ppb (1) 33.0 ppb (25) N/A 6.0 μg/m3 (5) 13.3 μg/m3 (53) 53.0
 
Jan. 17, 2020, 9 p.m. 4.2 ppb (4) 0.6 ppb (1) N/A 4.0 ppb (4) N/A 1.0 ppb (1) 32.0 ppb (25) N/A 23.0 μg/m3 (21) 8.4 μg/m3 (35) 35.0
 
Jan. 17, 2020, 8 p.m. 4.5 ppb (4) 0.8 ppb (1) N/A 4.0 ppb (4) N/A 1.0 ppb (1) 32.0 ppb (25) N/A 13.0 μg/m3 (12) 9.4 μg/m3 (39) 39.0
 
Jan. 17, 2020, 7 p.m. 4.2 ppb (4) 0.9 ppb (1) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 32.0 ppb (25) N/A 11.0 μg/m3 (10) 8.0 μg/m3 (33) 33.0
 
Jan. 17, 2020, 6 p.m. 4.1 ppb (4) 0.9 ppb (1) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 32.0 ppb (25) N/A 28.0 μg/m3 (25) 8.7 μg/m3 (36) 36.0
 
Jan. 17, 2020, 5 p.m. 4.3 ppb (4) 0.9 ppb (1) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 33.0 ppb (25) N/A 14.0 μg/m3 (13) 8.8 μg/m3 (37) 37.0
 
Jan. 17, 2020, 4 p.m. 4.4 ppb (4) 0.9 ppb (1) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 33.0 ppb (25) N/A 0.0 μg/m3 (0) 8.8 μg/m3 (37) 37.0
 
Jan. 17, 2020, 3 p.m. 5.3 ppb (5) 0.7 ppb (1) N/A 5.0 ppb (5) N/A 1.0 ppb (1) 32.0 ppb (25) N/A 21.0 μg/m3 (19) 7.3 μg/m3 (30) 30.0
 
Jan. 17, 2020, 2 p.m. 5.0 ppb (5) 0.3 ppb (0) N/A 5.0 ppb (5) N/A 1.0 ppb (1) 32.0 ppb (25) N/A 7.0 μg/m3 (6) 7.9 μg/m3 (33) 33.0
 
Jan. 17, 2020, 1 p.m. 4.0 ppb (4) 0.1 ppb (0) N/A 4.0 ppb (4) N/A 1.0 ppb (1) 33.0 ppb (25) N/A 11.0 μg/m3 (10) 9.7 μg/m3 (40) 40.0
 
Jan. 17, 2020, noon 4.2 ppb (4) 0.1 ppb (0) N/A 4.0 ppb (4) N/A 1.0 ppb (1) 33.0 ppb (25) N/A 20.0 μg/m3 (18) 11.4 μg/m3 (48) 48.0
 
Jan. 17, 2020, 11 a.m. 3.4 ppb (3) 0.1 ppb (0) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 33.0 ppb (25) N/A 18.0 μg/m3 (16) 5.7 μg/m3 (24) 25.0
 
Jan. 17, 2020, 10 a.m. 3.8 ppb (4) 0.1 ppb (0) N/A 4.0 ppb (4) N/A 1.0 ppb (1) 32.0 ppb (25) N/A 17.0 μg/m3 (15) 4.4 μg/m3 (18) 25.0
 
Jan. 17, 2020, 9 a.m. 3.4 ppb (3) 0.1 ppb (0) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 33.0 ppb (25) N/A 19.0 μg/m3 (17) 5.4 μg/m3 (23) 25.0
 
Jan. 17, 2020, 8 a.m. 2.7 ppb (3) 0.1 ppb (0) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 34.0 ppb (26) N/A 42.0 μg/m3 (38) 7.1 μg/m3 (30) 38.0
 
Jan. 17, 2020, 7 a.m. 4.0 ppb (4) 0.1 ppb (0) N/A 4.0 ppb (4) N/A 1.0 ppb (1) 33.0 ppb (25) N/A 65.0 μg/m3 (55) 15.6 μg/m3 (58) 58.0
 
Jan. 17, 2020, 6 a.m. 3.9 ppb (4) 0.2 ppb (0) N/A 4.0 ppb (4) N/A 1.0 ppb (1) 34.0 ppb (26) N/A 11.0 μg/m3 (10) 7.6 μg/m3 (32) 32.0
 
Jan. 17, 2020, 5 a.m. 4.9 ppb (5) 0.2 ppb (0) N/A 5.0 ppb (5) N/A 1.0 ppb (1) 33.0 ppb (25) N/A 22.0 μg/m3 (20) 5.4 μg/m3 (23) 25.0
 
Jan. 17, 2020, 4 a.m. 8.0 ppb (7) 0.8 ppb (1) N/A 7.0 ppb (6) N/A 2.0 ppb (3) 30.0 ppb (23) N/A 24.0 μg/m3 (22) 4.8 μg/m3 (20) 23.0
 
Jan. 17, 2020, 3 a.m. 13.6 ppb (13) 2.1 ppb (2) N/A 11.0 ppb (10) N/A 3.0 ppb (4) 25.0 ppb (19) N/A 18.0 μg/m3 (16) 7.0 μg/m3 (29) 29.0
 
Jan. 17, 2020, 2 a.m. 25.0 ppb (23) 3.8 ppb (4) N/A 21.0 ppb (19) N/A 2.0 ppb (3) 14.0 ppb (11) N/A 11.0 μg/m3 (10) 10.2 μg/m3 (42) 42.0
 
Jan. 17, 2020, 1 a.m. 30.4 ppb (28) 6.5 ppb (6) N/A 24.0 ppb (22) N/A 2.0 ppb (3) 12.0 ppb (9) N/A 15.0 μg/m3 (14) 9.1 μg/m3 (38) 38.0
 
Jan. 17, 2020, midnight 31.1 ppb (29) 8.2 ppb (8) N/A 23.0 ppb (21) N/A 2.0 ppb (3) 13.0 ppb (10) N/A 9.0 μg/m3 (8) 11.5 μg/m3 (48) 48.0
 
Jan. 16, 2020, 11 p.m. 30.9 ppb (29) 5.7 ppb (5) N/A 25.0 ppb (23) N/A 2.0 ppb (3) 11.0 ppb (8) N/A 9.0 μg/m3 (8) 11.1 μg/m3 (46) 46.0
 
Jan. 16, 2020, 10 p.m. 28.4 ppb (26) 9.4 ppb (9) N/A 19.0 ppb (18) N/A 2.0 ppb (3) 16.0 ppb (12) N/A 7.0 μg/m3 (6) 5.5 μg/m3 (23) 26.0
 
Jan. 16, 2020, 9 p.m. 18.5 ppb (17) 8.1 ppb (8) N/A 10.0 ppb (9) N/A 2.0 ppb (3) 23.0 ppb (18) N/A 12.0 μg/m3 (11) 8.4 μg/m3 (35) 35.0
 
Jan. 16, 2020, 8 p.m. 15.3 ppb (14) 7.8 ppb (7) N/A 8.0 ppb (7) N/A 2.0 ppb (3) 25.0 ppb (19) N/A 15.0 μg/m3 (14) 11.3 μg/m3 (47) 47.0
 
Jan. 16, 2020, 7 p.m. 15.1 ppb (14) 8.1 ppb (8) N/A 7.0 ppb (6) N/A 2.0 ppb (3) 26.0 ppb (20) N/A 25.0 μg/m3 (23) 11.4 μg/m3 (48) 48.0
 
Jan. 16, 2020, 6 p.m. 28.1 ppb (26) 17.2 ppb (16) N/A 11.0 ppb (10) N/A 3.0 ppb (4) 22.0 ppb (17) N/A 22.0 μg/m3 (20) 13.3 μg/m3 (53) 53.0
 
Jan. 16, 2020, 5 p.m. 28.1 ppb (26) 17.4 ppb (16) N/A 11.0 ppb (10) N/A 3.0 ppb (4) 21.0 ppb (16) N/A 14.0 μg/m3 (13) 9.5 μg/m3 (40) 40.0
 
Jan. 16, 2020, 4 p.m. 12.4 ppb (11) 6.5 ppb (6) N/A 6.0 ppb (6) N/A 3.0 ppb (4) 24.0 ppb (18) N/A 22.0 μg/m3 (20) 12.4 μg/m3 (51) 51.0
 
Jan. 16, 2020, 3 p.m. 22.5 ppb (21) 10.0 ppb (9) N/A 12.0 ppb (11) N/A 2.0 ppb (3) 19.0 ppb (15) N/A 7.0 μg/m3 (6) 12.3 μg/m3 (51) 51.0
 
Jan. 16, 2020, 2 p.m. 35.3 ppb (33) 10.6 ppb (10) N/A 25.0 ppb (23) N/A 2.0 ppb (3) 9.0 ppb (7) N/A 4.0 μg/m3 (4) 7.0 μg/m3 (29) 33.0
 
Jan. 16, 2020, 1 p.m. 10.6 ppb (10) 0.2 ppb (0) N/A 10.0 ppb (9) N/A 1.0 ppb (1) 19.0 ppb (15) N/A 4.0 μg/m3 (4) 5.7 μg/m3 (24) 24.0
 
Jan. 16, 2020, noon 5.6 ppb (5) 0.1 ppb (0) N/A 6.0 ppb (6) N/A 1.0 ppb (1) 24.0 ppb (18) N/A 4.0 μg/m3 (4) 7.7 μg/m3 (32) 32.0
 
Jan. 16, 2020, 11 a.m. 6.0 ppb (6) 0.8 ppb (1) N/A 5.0 ppb (5) N/A 1.0 ppb (1) 24.0 ppb (18) N/A -1.0 μg/m3 (0) 7.5 μg/m3 (31) 31.0
 
Jan. 16, 2020, 10 a.m. 5.0 ppb (5) 0.8 ppb (1) N/A 4.0 ppb (4) N/A 2.0 ppb (3) 26.0 ppb (20) N/A -2.0 μg/m3 (0) 6.4 μg/m3 (27) 27.0
 
Jan. 16, 2020, 9 a.m. 4.0 ppb (4) 0.3 ppb (0) N/A 4.0 ppb (4) N/A 2.0 ppb (3) 27.0 ppb (21) N/A -2.0 μg/m3 (0) 1.5 μg/m3 (6) 21.0
 
Jan. 16, 2020, 8 a.m. 3.8 ppb (4) 0.7 ppb (1) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 28.0 ppb (22) N/A -1.0 μg/m3 (0) 9.3 μg/m3 (39) 39.0
 
Jan. 16, 2020, 7 a.m. 2.9 ppb (3) 0.4 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 29.0 ppb (22) N/A 0.0 μg/m3 (0) 13.3 μg/m3 (53) 53.0
 
Jan. 16, 2020, 6 a.m. 2.5 ppb (2) 0.1 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 30.0 ppb (23) N/A 1.0 μg/m3 (1) 7.6 μg/m3 (32) 32.0
 
Jan. 16, 2020, 5 a.m. 1.6 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 31.0 ppb (24) N/A 2.0 μg/m3 (2) 4.8 μg/m3 (20) 24.0
 
Jan. 16, 2020, 4 a.m. 3.2 ppb (3) 1.4 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 31.0 ppb (24) N/A 3.0 μg/m3 (3) 4.5 μg/m3 (19) 24.0
 
Jan. 16, 2020, 3 a.m. 3.0 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 31.0 ppb (24) N/A 4.0 μg/m3 (4) 5.8 μg/m3 (24) 24.0
 
Jan. 16, 2020, 2 a.m. 2.0 ppb (2) 0.6 ppb (1) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 30.0 ppb (23) N/A 3.0 μg/m3 (3) 6.2 μg/m3 (26) 26.0
 
Jan. 16, 2020, 1 a.m. 2.5 ppb (2) 0.7 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 29.0 ppb (22) N/A 3.0 μg/m3 (3) 5.3 μg/m3 (22) 22.0
 
Jan. 16, 2020, midnight 2.5 ppb (2) 0.7 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 29.0 ppb (22) N/A -2.0 μg/m3 (0) 6.4 μg/m3 (27) 27.0
 
Jan. 15, 2020, 11 p.m. 3.5 ppb (3) 1.1 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 28.0 ppb (22) N/A N/A 5.7 μg/m3 (24) 24.0
 
Jan. 15, 2020, 10 p.m. 2.7 ppb (3) 0.9 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 29.0 ppb (22) N/A -1.0 μg/m3 (0) 1.5 μg/m3 (6) 22.0
 
Jan. 15, 2020, 9 p.m. 2.8 ppb (3) 1.2 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 29.0 ppb (22) N/A -2.0 μg/m3 (0) -0.7 μg/m3 (0) 22.0
 
Jan. 15, 2020, 8 p.m. 2.5 ppb (2) 1.2 ppb (1) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 28.0 ppb (22) N/A -2.0 μg/m3 (0) 6.8 μg/m3 (28) 28.0
 
Jan. 15, 2020, 7 p.m. 1.8 ppb (2) 0.8 ppb (1) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 28.0 ppb (22) N/A 0.0 μg/m3 (0) 3.9 μg/m3 (16) 22.0