AQSQID: 020900034

Site Name: Ncore

Location: Fairbanks (Pioneer Rd), AK

Reporting: True, Located: True

Current AQI: 56.0

Fairbanks (Pioneer Rd) AK, US: 64.8458, -147.72727

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Jan. 26, 2020, midnight N/A N/A 54.7 ppb (51) N/A N/A 6.0 ppb (9) 4.0 ppb (3) 0.6 ppb (7) 28.0 μg/m3 (25) 15.0 μg/m3 (56) 56.0
 
Jan. 25, 2020, 11 p.m. N/A N/A 34.3 ppb (32) N/A N/A 4.0 ppb (6) 10.0 ppb (8) 0.6 ppb (7) 26.0 μg/m3 (24) 12.0 μg/m3 (50) 50.0
 
Jan. 25, 2020, 10 p.m. N/A N/A 33.9 ppb (31) N/A N/A 4.0 ppb (6) 11.0 ppb (8) 0.4 ppb (4) 23.0 μg/m3 (21) 11.0 μg/m3 (46) 46.0
 
Jan. 25, 2020, 9 p.m. N/A N/A 65.4 ppb (62) N/A N/A 7.0 ppb (10) 6.0 ppb (5) 0.6 ppb (7) 26.0 μg/m3 (24) 19.0 μg/m3 (65) 65.0
 
Jan. 25, 2020, 8 p.m. N/A N/A 88.8 ppb (87) N/A N/A 13.0 ppb (19) 4.0 ppb (3) 0.7 ppb (8) 30.0 μg/m3 (27) 22.0 μg/m3 (71) 87.0
 
Jan. 25, 2020, 7 p.m. N/A N/A 117.9 ppb (103) N/A N/A 11.0 ppb (16) 2.0 ppb (2) 0.9 ppb (10) 36.0 μg/m3 (33) 23.0 μg/m3 (73) 103.0
 
Jan. 25, 2020, 6 p.m. N/A N/A 86.7 ppb (85) N/A N/A 6.0 ppb (9) 1.0 ppb (1) 0.4 ppb (4) 30.0 μg/m3 (27) 10.0 μg/m3 (42) 85.0
 
Jan. 25, 2020, 5 p.m. N/A N/A 51.1 ppb (47) N/A N/A 7.0 ppb (10) 1.0 ppb (1) 0.3 ppb (3) 21.0 μg/m3 (19) 12.0 μg/m3 (50) 50.0
 
Jan. 25, 2020, 4 p.m. N/A N/A 45.1 ppb (42) N/A N/A 5.0 ppb (7) 1.0 ppb (1) 0.3 ppb (3) 17.0 μg/m3 (15) 9.0 μg/m3 (38) 42.0
 
Jan. 25, 2020, 3 p.m. N/A N/A 17.8 ppb (16) N/A N/A 1.0 ppb (1) 15.0 ppb (12) 0.1 ppb (1) 15.0 μg/m3 (14) 2.0 μg/m3 (8) 16.0
 
Jan. 25, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (14) 2.0 μg/m3 (8) 14.0
 
Jan. 25, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (9) 2.0 μg/m3 (8) 9.0
 
Jan. 25, 2020, noon N/A N/A 5.3 ppb (5) N/A N/A 0.0 ppb (0) 29.0 ppb (22) 0.1 ppb (1) 10.0 μg/m3 (9) 3.0 μg/m3 (12) 22.0
 
Jan. 25, 2020, 11 a.m. N/A N/A 5.3 ppb (5) N/A N/A 0.0 ppb (0) 29.0 ppb (22) 0.1 ppb (1) 10.0 μg/m3 (9) 5.0 μg/m3 (21) 22.0
 
Jan. 25, 2020, 10 a.m. N/A N/A 4.1 ppb (4) N/A N/A -1.0 ppb (0) 30.0 ppb (23) 0.1 ppb (1) 10.0 μg/m3 (9) 2.0 μg/m3 (8) 23.0
 
Jan. 25, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (7) 3.0 μg/m3 (12) 12.0
 
Jan. 25, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (7) 5.0 μg/m3 (21) 21.0
 
Jan. 25, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (7) 5.0 μg/m3 (21) 21.0
 
Jan. 25, 2020, 6 a.m. N/A N/A 7.3 ppb (7) N/A N/A -1.0 ppb (0) 27.0 ppb (21) 0.1 ppb (1) 12.0 μg/m3 (11) 5.0 μg/m3 (21) 21.0
 
Jan. 25, 2020, 5 a.m. N/A N/A 9.6 ppb (9) N/A N/A -1.0 ppb (0) 25.0 ppb (19) 0.1 ppb (1) 11.0 μg/m3 (10) 5.0 μg/m3 (21) 21.0
 
Jan. 25, 2020, 4 a.m. N/A N/A 8.0 ppb (7) N/A N/A 0.0 ppb (0) 27.0 ppb (21) 0.2 ppb (2) 9.0 μg/m3 (8) 4.0 μg/m3 (17) 21.0
 
Jan. 25, 2020, 3 a.m. N/A N/A 4.6 ppb (4) N/A N/A -2.0 ppb (0) 31.0 ppb (24) 0.1 ppb (1) 10.0 μg/m3 (9) -1.0 μg/m3 (0) 24.0
 
Jan. 25, 2020, 2 a.m. N/A N/A 4.8 ppb (4) N/A N/A -2.0 ppb (0) 30.0 ppb (23) 0.1 ppb (1) 11.0 μg/m3 (10) 0.0 μg/m3 (0) 23.0
 
Jan. 25, 2020, 1 a.m. N/A N/A 5.8 ppb (5) N/A N/A -2.0 ppb (0) 29.0 ppb (22) 0.1 ppb (1) 11.0 μg/m3 (10) 2.0 μg/m3 (8) 22.0
 
Jan. 25, 2020, midnight N/A N/A 3.3 ppb (3) N/A N/A -1.0 ppb (0) 32.0 ppb (25) 0.1 ppb (1) 12.0 μg/m3 (11) 2.0 μg/m3 (8) 25.0
 
Jan. 24, 2020, 11 p.m. N/A N/A 6.1 ppb (6) N/A N/A -1.0 ppb (0) 30.0 ppb (23) 0.1 ppb (1) 10.0 μg/m3 (9) 1.0 μg/m3 (4) 23.0
 
Jan. 24, 2020, 10 p.m. N/A N/A 8.4 ppb (8) N/A N/A -1.0 ppb (0) 27.0 ppb (21) 0.1 ppb (1) 10.0 μg/m3 (9) 2.0 μg/m3 (8) 21.0
 
Jan. 24, 2020, 9 p.m. N/A N/A 8.3 ppb (8) N/A N/A -1.0 ppb (0) 27.0 ppb (21) 0.1 ppb (1) 9.0 μg/m3 (8) 2.0 μg/m3 (8) 21.0
 
Jan. 24, 2020, 8 p.m. N/A N/A 26.9 ppb (25) N/A N/A 0.0 ppb (0) 17.0 ppb (13) 0.2 ppb (2) 15.0 μg/m3 (14) 5.0 μg/m3 (21) 25.0
 
Jan. 24, 2020, 7 p.m. N/A N/A 58.7 ppb (55) N/A N/A 4.0 ppb (6) 2.0 ppb (2) 0.4 ppb (4) 41.0 μg/m3 (37) 9.0 μg/m3 (38) 55.0
 
Jan. 24, 2020, 6 p.m. N/A N/A 26.8 ppb (25) N/A N/A 5.0 ppb (7) 2.0 ppb (2) 0.3 ppb (3) 15.0 μg/m3 (14) 6.0 μg/m3 (25) 25.0
 
Jan. 24, 2020, 5 p.m. N/A N/A 31.6 ppb (29) N/A N/A 4.0 ppb (6) 1.0 ppb (1) 0.3 ppb (3) 14.0 μg/m3 (13) 6.0 μg/m3 (25) 29.0
 
Jan. 24, 2020, 4 p.m. N/A N/A 27.8 ppb (26) N/A N/A 4.0 ppb (6) 1.0 ppb (1) 0.3 ppb (3) 14.0 μg/m3 (13) 9.0 μg/m3 (38) 38.0
 
Jan. 24, 2020, 3 p.m. N/A N/A 24.9 ppb (23) N/A N/A 3.0 ppb (4) 1.0 ppb (1) 0.2 ppb (2) 17.0 μg/m3 (15) 6.0 μg/m3 (25) 25.0
 
Jan. 24, 2020, 2 p.m. N/A N/A 24.0 ppb (22) N/A N/A 4.0 ppb (6) 1.0 ppb (1) 0.2 ppb (2) 13.0 μg/m3 (12) 9.0 μg/m3 (38) 38.0
 
Jan. 24, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (11) 12.0 μg/m3 (50) 50.0
 
Jan. 24, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (14) 8.0 μg/m3 (33) 33.0
 
Jan. 24, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) 7.0 μg/m3 (29) 29.0
 
Jan. 24, 2020, 10 a.m. N/A N/A 24.1 ppb (22) N/A N/A 2.0 ppb (3) 1.0 ppb (1) 0.2 ppb (2) 20.0 μg/m3 (18) 8.0 μg/m3 (33) 33.0
 
Jan. 24, 2020, 9 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 1.0 ppb (1) 0.2 ppb (2) 20.0 μg/m3 (18) 8.0 μg/m3 (33) 33.0
 
Jan. 24, 2020, 8 a.m. N/A N/A 9.9 ppb (9) N/A N/A N/A 10.0 ppb (8) 0.1 ppb (1) 11.0 μg/m3 (10) 6.0 μg/m3 (25) 25.0
 
Jan. 24, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (10) 6.0 μg/m3 (25) 25.0
 
Jan. 24, 2020, 6 a.m. N/A N/A 17.4 ppb (16) N/A N/A 0.0 ppb (0) 3.0 ppb (2) 0.2 ppb (2) 13.0 μg/m3 (12) 4.0 μg/m3 (17) 17.0
 
Jan. 24, 2020, 5 a.m. N/A N/A 21.1 ppb (20) N/A N/A 1.0 ppb (1) 3.0 ppb (2) 0.2 ppb (2) 14.0 μg/m3 (13) 7.0 μg/m3 (29) 29.0
 
Jan. 24, 2020, 4 a.m. N/A N/A 50.9 ppb (47) N/A N/A 5.0 ppb (7) 1.0 ppb (1) 0.4 ppb (4) 20.0 μg/m3 (18) 9.0 μg/m3 (38) 47.0
 
Jan. 24, 2020, 3 a.m. N/A N/A 70.3 ppb (67) N/A N/A 7.0 ppb (10) 1.0 ppb (1) 0.6 ppb (7) 26.0 μg/m3 (24) 16.0 μg/m3 (59) 67.0
 
Jan. 24, 2020, 2 a.m. N/A N/A 76.5 ppb (74) N/A N/A 8.0 ppb (11) 1.0 ppb (1) 0.5 ppb (6) 36.0 μg/m3 (33) 19.0 μg/m3 (65) 74.0
 
Jan. 24, 2020, 1 a.m. N/A N/A 75.8 ppb (73) N/A N/A 5.0 ppb (7) 1.0 ppb (1) 0.5 ppb (6) 26.0 μg/m3 (24) 18.0 μg/m3 (63) 73.0
 
Jan. 24, 2020, midnight N/A N/A 29.1 ppb (27) N/A N/A 1.0 ppb (1) 3.0 ppb (2) 0.3 ppb (3) 18.0 μg/m3 (16) 9.0 μg/m3 (38) 38.0
 
Jan. 23, 2020, 11 p.m. N/A N/A 34.0 ppb (31) N/A N/A 2.0 ppb (3) 4.0 ppb (3) 0.3 ppb (3) 17.0 μg/m3 (15) 11.0 μg/m3 (46) 46.0
 
Jan. 23, 2020, 10 p.m. N/A N/A 51.8 ppb (48) N/A N/A 3.0 ppb (4) 3.0 ppb (2) 0.4 ppb (4) 23.0 μg/m3 (21) 10.0 μg/m3 (42) 48.0
 
Jan. 23, 2020, 9 p.m. N/A N/A 51.7 ppb (48) N/A N/A 3.0 ppb (4) 3.0 ppb (2) 0.4 ppb (4) 28.0 μg/m3 (25) 17.0 μg/m3 (61) 61.0
 
Jan. 23, 2020, 8 p.m. N/A N/A 60.1 ppb (56) N/A N/A 2.0 ppb (3) 2.0 ppb (2) 0.6 ppb (7) 21.0 μg/m3 (19) 7.0 μg/m3 (29) 56.0
 
Jan. 23, 2020, 7 p.m. N/A N/A 83.1 ppb (81) N/A N/A 8.0 ppb (11) 2.0 ppb (2) 0.6 ppb (7) 30.0 μg/m3 (27) 24.0 μg/m3 (76) 81.0
 
Jan. 23, 2020, 6 p.m. N/A N/A 84.4 ppb (82) N/A N/A 6.0 ppb (9) 1.0 ppb (1) N/A 29.0 μg/m3 (26) N/A 82.0
 
Jan. 23, 2020, 5 p.m. N/A N/A 58.1 ppb (54) N/A N/A 4.0 ppb (6) 1.0 ppb (1) N/A 24.0 μg/m3 (22) 19.0 μg/m3 (65) 65.0
 
Jan. 23, 2020, 4 p.m. N/A N/A 79.0 ppb (77) N/A N/A 11.0 ppb (16) 2.0 ppb (2) 0.7 ppb (8) 29.0 μg/m3 (26) 19.0 μg/m3 (65) 77.0
 
Jan. 23, 2020, 3 p.m. N/A N/A 88.6 ppb (87) N/A N/A 15.0 ppb (21) 2.0 ppb (2) 0.7 ppb (8) 29.0 μg/m3 (26) 19.0 μg/m3 (65) 87.0
 
Jan. 23, 2020, 2 p.m. N/A N/A 46.8 ppb (43) N/A N/A 7.0 ppb (10) 2.0 ppb (2) 0.4 ppb (4) 19.0 μg/m3 (17) 15.0 μg/m3 (56) 56.0
 
Jan. 23, 2020, 1 p.m. N/A N/A 56.2 ppb (52) N/A N/A 11.0 ppb (16) 1.0 ppb (1) 0.4 ppb (4) 19.0 μg/m3 (17) 16.0 μg/m3 (59) 59.0
 
Jan. 23, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (17) 8.0 μg/m3 (33) 33.0
 
Jan. 23, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (15) 6.0 μg/m3 (25) 25.0
 
Jan. 23, 2020, 10 a.m. N/A N/A 65.1 ppb (62) N/A N/A 11.0 ppb (16) 2.0 ppb (2) 0.5 ppb (6) 27.0 μg/m3 (25) 18.0 μg/m3 (63) 63.0
 
Jan. 23, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (18) 13.0 μg/m3 (52) 52.0
 
Jan. 23, 2020, 8 a.m. N/A N/A 80.3 ppb (78) N/A N/A 11.0 ppb (16) 2.0 ppb (2) 0.6 ppb (7) 35.0 μg/m3 (32) 25.0 μg/m3 (78) 78.0
 
Jan. 23, 2020, 7 a.m. N/A N/A 85.5 ppb (84) N/A N/A 11.0 ppb (16) 2.0 ppb (2) 0.6 ppb (7) 40.0 μg/m3 (36) 27.0 μg/m3 (82) 84.0
 
Jan. 23, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 36.0 μg/m3 (33) 28.0 μg/m3 (84) 84.0
 
Jan. 23, 2020, 5 a.m. N/A N/A 69.1 ppb (66) N/A N/A 6.0 ppb (9) 2.0 ppb (2) 0.6 ppb (7) 33.0 μg/m3 (30) 22.0 μg/m3 (71) 71.0
 
Jan. 23, 2020, 4 a.m. N/A N/A 76.4 ppb (74) N/A N/A 7.0 ppb (10) 2.0 ppb (2) 0.6 ppb (7) 29.0 μg/m3 (26) 19.0 μg/m3 (65) 74.0
 
Jan. 23, 2020, 3 a.m. N/A N/A 66.3 ppb (63) N/A N/A 6.0 ppb (9) 1.0 ppb (1) 0.6 ppb (7) 32.0 μg/m3 (29) 18.0 μg/m3 (63) 63.0
 
Jan. 23, 2020, 2 a.m. N/A N/A 56.9 ppb (53) N/A N/A 6.0 ppb (9) 1.0 ppb (1) 0.5 ppb (6) 26.0 μg/m3 (24) 17.0 μg/m3 (61) 61.0
 
Jan. 23, 2020, 1 a.m. N/A N/A 77.4 ppb (75) N/A N/A 6.0 ppb (9) 2.0 ppb (2) 0.6 ppb (7) 24.0 μg/m3 (22) 14.0 μg/m3 (54) 75.0
 
Jan. 23, 2020, midnight N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) 9.0 μg/m3 (38) 38.0
 
Jan. 22, 2020, 11 p.m. N/A N/A 27.1 ppb (25) N/A N/A 1.0 ppb (1) 9.0 ppb (7) 0.3 ppb (3) 11.0 μg/m3 (10) 6.0 μg/m3 (25) 25.0
 
Jan. 22, 2020, 10 p.m. N/A N/A 31.8 ppb (29) N/A N/A 2.0 ppb (3) 8.0 ppb (6) 0.4 ppb (4) 14.0 μg/m3 (13) 7.0 μg/m3 (29) 29.0
 
Jan. 22, 2020, 9 p.m. N/A N/A 33.8 ppb (31) N/A N/A 2.0 ppb (3) 7.0 ppb (5) 0.3 ppb (3) 19.0 μg/m3 (17) 9.0 μg/m3 (38) 38.0
 
Jan. 22, 2020, 8 p.m. N/A N/A 33.7 ppb (31) N/A N/A 4.0 ppb (6) 5.0 ppb (4) 0.3 ppb (3) 19.0 μg/m3 (17) 9.0 μg/m3 (38) 38.0
 
Jan. 22, 2020, 7 p.m. N/A N/A 39.9 ppb (37) N/A N/A 5.0 ppb (7) 3.0 ppb (2) 0.3 ppb (3) 17.0 μg/m3 (15) 7.0 μg/m3 (29) 37.0
 
Jan. 22, 2020, 6 p.m. N/A N/A 70.7 ppb (68) N/A N/A 12.0 ppb (17) 1.0 ppb (1) 0.5 ppb (6) 28.0 μg/m3 (25) 12.0 μg/m3 (50) 68.0
 
Jan. 22, 2020, 5 p.m. N/A N/A 54.9 ppb (51) N/A N/A 11.0 ppb (16) 1.0 ppb (1) 0.5 ppb (6) 26.0 μg/m3 (24) 16.0 μg/m3 (59) 59.0
 
Jan. 22, 2020, 4 p.m. N/A N/A 68.3 ppb (65) N/A N/A 9.0 ppb (13) 1.0 ppb (1) 0.5 ppb (6) 27.0 μg/m3 (25) 13.0 μg/m3 (52) 65.0
 
Jan. 22, 2020, 3 p.m. N/A N/A 59.0 ppb (55) N/A N/A 14.0 ppb (20) 1.0 ppb (1) 0.5 ppb (6) 23.0 μg/m3 (21) 15.0 μg/m3 (56) 56.0
 
Jan. 22, 2020, 2 p.m. N/A N/A 56.9 ppb (53) N/A N/A 9.0 ppb (13) 1.0 ppb (1) 0.4 ppb (4) 27.0 μg/m3 (25) 13.0 μg/m3 (52) 53.0
 
Jan. 22, 2020, 1 p.m. N/A N/A 44.7 ppb (41) N/A N/A 7.0 ppb (10) 1.0 ppb (1) 0.4 ppb (4) 28.0 μg/m3 (25) 13.0 μg/m3 (52) 52.0
 
Jan. 22, 2020, noon N/A N/A 62.8 ppb (59) N/A N/A 11.0 ppb (16) 1.0 ppb (1) 0.4 ppb (4) 22.0 μg/m3 (20) N/A 59.0
 
Jan. 22, 2020, 11 a.m. N/A N/A 59.3 ppb (56) N/A N/A 11.0 ppb (16) 1.0 ppb (1) 0.4 ppb (4) 27.0 μg/m3 (25) N/A 56.0
 
Jan. 22, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 28.0 μg/m3 (25) 15.0 μg/m3 (56) 56.0
 
Jan. 22, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 31.0 μg/m3 (28) 15.0 μg/m3 (56) 56.0
 
Jan. 22, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 29.0 μg/m3 (26) 19.0 μg/m3 (65) 65.0
 
Jan. 22, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 25.0 μg/m3 (23) 12.0 μg/m3 (50) 50.0
 
Jan. 22, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 23.0 μg/m3 (21) 16.0 μg/m3 (59) 59.0
 
Jan. 22, 2020, 5 a.m. N/A N/A 47.8 ppb (44) N/A N/A 2.0 ppb (3) 2.0 ppb (2) 0.4 ppb (4) 23.0 μg/m3 (21) 16.0 μg/m3 (59) 59.0
 
Jan. 22, 2020, 4 a.m. N/A N/A 54.2 ppb (50) N/A N/A 4.0 ppb (6) 3.0 ppb (2) 0.4 ppb (4) 26.0 μg/m3 (24) 17.0 μg/m3 (61) 61.0
 
Jan. 22, 2020, 3 a.m. N/A N/A 79.6 ppb (77) N/A N/A 5.0 ppb (7) 3.0 ppb (2) 0.7 ppb (8) 33.0 μg/m3 (30) 20.0 μg/m3 (67) 77.0
 
Jan. 22, 2020, 2 a.m. N/A N/A 124.4 ppb (104) N/A N/A 10.0 ppb (14) 3.0 ppb (2) 0.9 ppb (10) 47.0 μg/m3 (43) 29.0 μg/m3 (86) 104.0
 
Jan. 22, 2020, 1 a.m. N/A N/A 55.7 ppb (52) N/A N/A 9.0 ppb (13) 1.0 ppb (1) 0.5 ppb (6) 21.0 μg/m3 (19) 15.0 μg/m3 (56) 56.0
 
Jan. 22, 2020, midnight N/A N/A 86.5 ppb (85) N/A N/A 8.0 ppb (11) 3.0 ppb (2) 0.6 ppb (7) 41.0 μg/m3 (37) 25.0 μg/m3 (78) 85.0
 
Jan. 21, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 35.0 μg/m3 (32) 24.0 μg/m3 (76) 76.0
 
Jan. 21, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 31.0 μg/m3 (28) 19.0 μg/m3 (65) 65.0
 
Jan. 21, 2020, 9 p.m. N/A N/A 54.2 ppb (50) N/A N/A 4.0 ppb (6) 5.0 ppb (4) 0.4 ppb (4) 19.0 μg/m3 (17) 12.0 μg/m3 (50) 50.0
 
Jan. 21, 2020, 8 p.m. N/A N/A 47.2 ppb (44) N/A N/A 4.0 ppb (6) 5.0 ppb (4) 0.4 ppb (4) 21.0 μg/m3 (19) 11.0 μg/m3 (46) 46.0
 
Jan. 21, 2020, 7 p.m. N/A N/A 53.7 ppb (50) N/A N/A 5.0 ppb (7) 3.0 ppb (2) 0.5 ppb (6) 26.0 μg/m3 (24) 14.0 μg/m3 (54) 54.0
 
Jan. 21, 2020, 6 p.m. N/A N/A 46.1 ppb (43) N/A N/A 3.0 ppb (4) 2.0 ppb (2) 0.4 ppb (4) 26.0 μg/m3 (24) 9.0 μg/m3 (38) 43.0
 
Jan. 21, 2020, 5 p.m. N/A N/A 40.5 ppb (38) N/A N/A 3.0 ppb (4) 3.0 ppb (2) 0.3 ppb (3) 25.0 μg/m3 (23) 10.0 μg/m3 (42) 42.0
 
Jan. 21, 2020, 4 p.m. N/A N/A 63.6 ppb (60) N/A N/A 6.0 ppb (9) 2.0 ppb (2) 0.4 ppb (4) 23.0 μg/m3 (21) 19.0 μg/m3 (65) 65.0
 
Jan. 21, 2020, 3 p.m. N/A N/A 48.3 ppb (45) N/A N/A 5.0 ppb (7) 4.0 ppb (3) 0.3 ppb (3) 22.0 μg/m3 (20) 12.0 μg/m3 (50) 50.0
 
Jan. 21, 2020, 2 p.m. N/A N/A 8.3 ppb (8) N/A N/A 0.0 ppb (0) 21.0 ppb (16) 0.1 ppb (1) 11.0 μg/m3 (10) 3.0 μg/m3 (12) 16.0
 
Jan. 21, 2020, 1 p.m. N/A N/A 8.0 ppb (7) N/A N/A 0.0 ppb (0) 21.0 ppb (16) N/A 17.0 μg/m3 (15) 6.0 μg/m3 (25) 25.0
 
Jan. 21, 2020, noon N/A N/A 9.1 ppb (8) N/A N/A 1.0 ppb (1) N/A 0.1 ppb (1) 11.0 μg/m3 (10) 6.0 μg/m3 (25) 25.0
 
Jan. 21, 2020, 11 a.m. N/A N/A 6.2 ppb (6) N/A N/A -1.0 ppb (0) 24.0 ppb (18) 0.1 ppb (1) 13.0 μg/m3 (12) 5.0 μg/m3 (21) 21.0
 
Jan. 21, 2020, 10 a.m. N/A N/A 5.8 ppb (5) N/A N/A -1.0 ppb (0) 24.0 ppb (18) 0.1 ppb (1) 12.0 μg/m3 (11) 3.0 μg/m3 (12) 18.0
 
Jan. 21, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (8) 5.0 μg/m3 (21) 21.0
 
Jan. 21, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (11) 6.0 μg/m3 (25) 25.0
 
Jan. 21, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (11) 3.0 μg/m3 (12) 12.0
 
Jan. 21, 2020, 6 a.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. 21, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (7) 3.0 μg/m3 (12) 12.0
 
Jan. 21, 2020, 4 a.m. N/A N/A 9.2 ppb (9) N/A N/A 0.0 ppb (0) 20.0 ppb (15) 0.1 ppb (1) 8.0 μg/m3 (7) 3.0 μg/m3 (12) 15.0
 
Jan. 21, 2020, 3 a.m. N/A N/A 9.2 ppb (9) N/A N/A -1.0 ppb (0) 19.0 ppb (15) 0.2 ppb (2) 8.0 μg/m3 (7) 2.0 μg/m3 (8) 15.0
 
Jan. 21, 2020, 2 a.m. N/A N/A 9.2 ppb (9) N/A N/A -1.0 ppb (0) 17.0 ppb (13) 0.2 ppb (2) 8.0 μg/m3 (7) 6.0 μg/m3 (25) 25.0
 
Jan. 21, 2020, 1 a.m. N/A N/A 56.9 ppb (53) N/A N/A 6.0 ppb (9) 5.0 ppb (4) 0.4 ppb (4) 18.0 μg/m3 (16) 14.0 μg/m3 (54) 54.0
 
Jan. 21, 2020, midnight N/A N/A 144.2 ppb (108) N/A N/A 13.0 ppb (19) 3.0 ppb (2) 0.9 ppb (10) 48.0 μg/m3 (44) 37.0 μg/m3 (104) 108.0
 
Jan. 20, 2020, 11 p.m. N/A N/A 159.5 ppb (111) N/A N/A 14.0 ppb (20) 3.0 ppb (2) 1.0 ppb (11) 57.0 μg/m3 (51) 34.0 μg/m3 (97) 111.0
 
Jan. 20, 2020, 10 p.m. N/A N/A 109.7 ppb (102) N/A N/A 11.0 ppb (16) 4.0 ppb (3) 0.8 ppb (9) 39.0 μg/m3 (35) 27.0 μg/m3 (82) 102.0
 
Jan. 20, 2020, 9 p.m. N/A N/A 118.3 ppb (103) N/A N/A 12.0 ppb (17) 5.0 ppb (4) 0.7 ppb (8) 47.0 μg/m3 (43) 27.0 μg/m3 (82) 103.0
 
Jan. 20, 2020, 8 p.m. N/A N/A 123.4 ppb (104) N/A N/A 13.0 ppb (19) 3.0 ppb (2) 0.8 ppb (9) 42.0 μg/m3 (38) 24.0 μg/m3 (76) 104.0
 
Jan. 20, 2020, 7 p.m. N/A N/A 145.6 ppb (109) N/A N/A 18.0 ppb (26) 2.0 ppb (2) 0.9 ppb (10) 45.0 μg/m3 (41) 30.0 μg/m3 (88) 109.0
 
Jan. 20, 2020, 6 p.m. N/A N/A 149.0 ppb (109) N/A N/A 23.0 ppb (33) 2.0 ppb (2) 0.8 ppb (9) 44.0 μg/m3 (40) 28.0 μg/m3 (84) 109.0
 
Jan. 20, 2020, 5 p.m. N/A N/A 197.6 ppb (119) N/A N/A 26.0 ppb (37) 3.0 ppb (2) 1.1 ppb (12) 50.0 μg/m3 (45) 35.0 μg/m3 (99) 119.0
 
Jan. 20, 2020, 4 p.m. N/A N/A 120.3 ppb (104) N/A N/A 26.0 ppb (37) 2.0 ppb (2) 0.9 ppb (10) 37.0 μg/m3 (34) 25.0 μg/m3 (78) 104.0
 
Jan. 20, 2020, 3 p.m. N/A N/A 93.6 ppb (92) N/A N/A 22.0 ppb (31) 2.0 ppb (2) 0.6 ppb (7) 30.0 μg/m3 (27) 22.0 μg/m3 (71) 92.0
 
Jan. 20, 2020, 2 p.m. N/A N/A 89.9 ppb (88) N/A N/A 23.0 ppb (33) 2.0 ppb (2) 0.5 ppb (6) 29.0 μg/m3 (26) 21.0 μg/m3 (69) 88.0
 
Jan. 20, 2020, 1 p.m. N/A N/A 69.6 ppb (67) N/A N/A 20.0 ppb (29) 1.0 ppb (1) 0.4 ppb (4) 19.0 μg/m3 (17) 15.0 μg/m3 (56) 67.0
 
Jan. 20, 2020, noon N/A N/A 77.3 ppb (75) N/A N/A 24.0 ppb (34) 1.0 ppb (1) 0.5 ppb (6) 25.0 μg/m3 (23) 20.0 μg/m3 (67) 75.0
 
Jan. 20, 2020, 11 a.m. N/A N/A 64.6 ppb (61) N/A N/A 19.0 ppb (27) 2.0 ppb (2) 0.5 ppb (6) 32.0 μg/m3 (29) 22.0 μg/m3 (71) 71.0
 
Jan. 20, 2020, 10 a.m. N/A N/A 69.0 ppb (66) N/A N/A 18.0 ppb (26) 2.0 ppb (2) 0.5 ppb (6) 38.0 μg/m3 (35) 30.0 μg/m3 (88) 88.0
 
Jan. 20, 2020, 9 a.m. N/A N/A 93.1 ppb (92) N/A N/A 22.0 ppb (31) 2.0 ppb (2) 0.8 ppb (9) 34.0 μg/m3 (31) 22.0 μg/m3 (71) 92.0
 
Jan. 20, 2020, 8 a.m. N/A N/A 65.7 ppb (62) N/A N/A 15.0 ppb (21) 2.0 ppb (2) 0.7 ppb (8) 22.0 μg/m3 (20) 19.0 μg/m3 (65) 65.0
 
Jan. 20, 2020, 7 a.m. N/A N/A 116.6 ppb (103) N/A N/A 24.0 ppb (34) 3.0 ppb (2) 1.0 ppb (11) 50.0 μg/m3 (45) 41.0 μg/m3 (114) 114.0
 
Jan. 20, 2020, 6 a.m. N/A N/A 125.2 ppb (105) N/A N/A 14.0 ppb (20) 3.0 ppb (2) 1.2 ppb (13) 57.0 μg/m3 (51) 45.0 μg/m3 (124) 124.0
 
Jan. 20, 2020, 5 a.m. N/A N/A 74.8 ppb (72) N/A N/A 12.0 ppb (17) 2.0 ppb (2) 0.7 ppb (8) 32.0 μg/m3 (29) 27.0 μg/m3 (82) 82.0
 
Jan. 20, 2020, 4 a.m. N/A N/A 114.9 ppb (103) N/A N/A 15.0 ppb (21) 2.0 ppb (2) 1.2 ppb (13) 47.0 μg/m3 (43) 31.0 μg/m3 (90) 103.0
 
Jan. 20, 2020, 3 a.m. N/A N/A 106.5 ppb (101) N/A N/A 15.0 ppb (21) 2.0 ppb (2) N/A 43.0 μg/m3 (39) 30.0 μg/m3 (88) 101.0
 
Jan. 20, 2020, 2 a.m. N/A N/A 63.8 ppb (60) N/A N/A 13.0 ppb (19) 2.0 ppb (2) N/A 34.0 μg/m3 (31) 22.0 μg/m3 (71) 71.0
 
Jan. 20, 2020, 1 a.m. N/A N/A 100.0 ppb (99) N/A N/A 17.0 ppb (24) 3.0 ppb (2) 1.0 ppb (11) 46.0 μg/m3 (42) 32.0 μg/m3 (93) 99.0
 
Jan. 20, 2020, midnight N/A N/A 145.0 ppb (108) N/A N/A 22.0 ppb (31) 4.0 ppb (3) 1.2 ppb (13) 71.0 μg/m3 (58) 53.0 μg/m3 (144) 144.0
 
Jan. 19, 2020, 11 p.m. N/A N/A 167.8 ppb (113) N/A N/A 24.0 ppb (34) 4.0 ppb (3) 1.5 ppb (17) 80.0 μg/m3 (62) 62.0 μg/m3 (153) 153.0
 
Jan. 19, 2020, 10 p.m. N/A N/A 116.5 ppb (103) N/A N/A 15.0 ppb (21) 4.0 ppb (3) 1.1 ppb (12) 47.0 μg/m3 (43) 34.0 μg/m3 (97) 103.0
 
Jan. 19, 2020, 9 p.m. N/A N/A 77.7 ppb (75) N/A N/A 13.0 ppb (19) 5.0 ppb (4) 0.7 ppb (8) 25.0 μg/m3 (23) 17.0 μg/m3 (61) 75.0
 
Jan. 19, 2020, 8 p.m. N/A N/A 102.0 ppb (100) N/A N/A 15.0 ppb (21) 4.0 ppb (3) 0.6 ppb (7) 41.0 μg/m3 (37) 30.0 μg/m3 (88) 100.0
 
Jan. 19, 2020, 7 p.m. N/A N/A 91.6 ppb (90) N/A N/A 18.0 ppb (26) 2.0 ppb (2) 0.7 ppb (8) 30.0 μg/m3 (27) 17.0 μg/m3 (61) 90.0
 
Jan. 19, 2020, 6 p.m. N/A N/A 115.5 ppb (103) N/A N/A 21.0 ppb (30) 3.0 ppb (2) 1.1 ppb (12) 43.0 μg/m3 (39) 34.0 μg/m3 (97) 103.0
 
Jan. 19, 2020, 5 p.m. N/A N/A 74.7 ppb (72) N/A N/A 19.0 ppb (27) 1.0 ppb (1) 0.5 ppb (6) 22.0 μg/m3 (20) 15.0 μg/m3 (56) 72.0
 
Jan. 19, 2020, 4 p.m. N/A N/A 70.4 ppb (67) N/A N/A 20.0 ppb (29) 1.0 ppb (1) 0.4 ppb (4) 21.0 μg/m3 (19) 13.0 μg/m3 (52) 67.0
 
Jan. 19, 2020, 3 p.m. N/A N/A 60.1 ppb (56) N/A N/A 20.0 ppb (29) 1.0 ppb (1) 0.4 ppb (4) 29.0 μg/m3 (26) 14.0 μg/m3 (54) 56.0
 
Jan. 19, 2020, 2 p.m. N/A N/A 70.6 ppb (68) N/A N/A 22.0 ppb (31) 1.0 ppb (1) 0.4 ppb (4) 27.0 μg/m3 (25) 18.0 μg/m3 (63) 68.0
 
Jan. 19, 2020, 1 p.m. N/A N/A 91.1 ppb (89) N/A N/A 22.0 ppb (31) 1.0 ppb (1) 0.6 ppb (7) 28.0 μg/m3 (25) 20.0 μg/m3 (67) 89.0
 
Jan. 19, 2020, noon N/A N/A 77.3 ppb (75) N/A N/A 15.0 ppb (21) 1.0 ppb (1) 0.6 ppb (7) 27.0 μg/m3 (25) 17.0 μg/m3 (61) 75.0
 
Jan. 19, 2020, 11 a.m. N/A N/A 60.3 ppb (57) N/A N/A 12.0 ppb (17) 1.0 ppb (1) 0.5 ppb (6) 20.0 μg/m3 (18) 13.0 μg/m3 (52) 57.0
 
Jan. 19, 2020, 10 a.m. N/A N/A 70.4 ppb (67) N/A N/A 13.0 ppb (19) 1.0 ppb (1) 0.7 ppb (8) 28.0 μg/m3 (25) 17.0 μg/m3 (61) 67.0
 
Jan. 19, 2020, 9 a.m. N/A N/A 72.0 ppb (69) N/A N/A 18.0 ppb (26) 1.0 ppb (1) 0.7 ppb (8) 29.0 μg/m3 (26) 17.0 μg/m3 (61) 69.0
 
Jan. 19, 2020, 8 a.m. N/A N/A 56.4 ppb (53) N/A N/A 12.0 ppb (17) 1.0 ppb (1) 0.5 ppb (6) 24.0 μg/m3 (22) 16.0 μg/m3 (59) 59.0
 
Jan. 19, 2020, 7 a.m. N/A N/A 137.0 ppb (107) N/A N/A 17.0 ppb (24) 3.0 ppb (2) 1.4 ppb (16) 62.0 μg/m3 (54) 52.0 μg/m3 (141) 141.0
 
Jan. 19, 2020, 6 a.m. N/A N/A 110.2 ppb (102) N/A N/A 12.0 ppb (17) 3.0 ppb (2) 1.1 ppb (12) 50.0 μg/m3 (45) 39.0 μg/m3 (109) 109.0
 
Jan. 19, 2020, 5 a.m. N/A N/A 117.4 ppb (103) N/A N/A 13.0 ppb (19) 2.0 ppb (2) 1.2 ppb (13) 47.0 μg/m3 (43) 31.0 μg/m3 (90) 103.0
 
Jan. 19, 2020, 4 a.m. N/A N/A 88.7 ppb (87) N/A N/A 11.0 ppb (16) 2.0 ppb (2) 0.8 ppb (9) 34.0 μg/m3 (31) 21.0 μg/m3 (69) 87.0
 
Jan. 19, 2020, 3 a.m. N/A N/A 85.4 ppb (83) N/A N/A 11.0 ppb (16) 2.0 ppb (2) 0.7 ppb (8) 35.0 μg/m3 (32) 23.0 μg/m3 (73) 83.0
 
Jan. 19, 2020, 2 a.m. N/A N/A 132.8 ppb (106) N/A N/A 10.0 ppb (14) 2.0 ppb (2) 1.1 ppb (12) 42.0 μg/m3 (38) 28.0 μg/m3 (84) 106.0
 
Jan. 19, 2020, 1 a.m. N/A N/A 112.4 ppb (102) N/A N/A 9.0 ppb (13) 2.0 ppb (2) 0.9 ppb (10) 38.0 μg/m3 (35) 25.0 μg/m3 (78) 102.0