AQSQID: 060670010

Site Name: Downtown Sacramento - T Street

Location: Sacramento (Richmond Grove), CA

Reporting: True, Located: True

Current AQI: 59.0

Sacramento (Richmond Grove) CA, US: 38.56844, -121.49311

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Jan. 20, 2020, 7 p.m. 20.9 ppb (19) 11.3 ppb (10) N/A 10.0 ppb (9) N/A N/A 4.0 ppb (3) N/A 22.0 μg/m3 (20) 16.0 μg/m3 (59) 59.0
 
Jan. 20, 2020, 6 p.m. 23.2 ppb (21) 12.8 ppb (12) N/A 10.0 ppb (9) N/A N/A 2.0 ppb (2) N/A 23.0 μg/m3 (21) 15.0 μg/m3 (56) 56.0
 
Jan. 20, 2020, 5 p.m. 35.3 ppb (33) 20.9 ppb (19) N/A 14.0 ppb (13) N/A N/A 1.0 ppb (1) N/A 24.0 μg/m3 (22) 17.0 μg/m3 (61) 61.0
 
Jan. 20, 2020, 4 p.m. 39.7 ppb (37) 24.1 ppb (22) N/A 16.0 ppb (15) N/A N/A 0.0 ppb (0) N/A 27.0 μg/m3 (25) 24.0 μg/m3 (76) 76.0
 
Jan. 20, 2020, 3 p.m. 23.0 ppb (21) 8.9 ppb (8) N/A 14.0 ppb (13) N/A N/A 1.0 ppb (1) N/A 22.0 μg/m3 (20) 17.0 μg/m3 (61) 61.0
 
Jan. 20, 2020, 2 p.m. 18.6 ppb (17) 5.2 ppb (5) N/A 13.0 ppb (12) N/A N/A 1.0 ppb (1) N/A 17.0 μg/m3 (15) 16.0 μg/m3 (59) 59.0
 
Jan. 20, 2020, 1 p.m. 21.4 ppb (20) 7.3 ppb (7) N/A 14.0 ppb (13) N/A N/A 0.0 ppb (0) N/A 18.0 μg/m3 (16) 15.0 μg/m3 (56) 56.0
 
Jan. 20, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) 12.0 μg/m3 (50) 50.0
 
Jan. 20, 2020, 11 a.m. 28.7 ppb (27) 14.9 ppb (14) N/A 14.0 ppb (13) N/A N/A 0.0 ppb (0) N/A 18.0 μg/m3 (16) 11.0 μg/m3 (46) 46.0
 
Jan. 20, 2020, 10 a.m. 43.9 ppb (41) 28.7 ppb (27) N/A 15.0 ppb (14) N/A N/A 0.0 ppb (0) N/A 27.0 μg/m3 (25) 22.0 μg/m3 (71) 71.0
 
Jan. 20, 2020, 9 a.m. 39.2 ppb (36) 24.2 ppb (22) N/A 15.0 ppb (14) N/A N/A 0.0 ppb (0) N/A 26.0 μg/m3 (24) 23.0 μg/m3 (73) 73.0
 
Jan. 20, 2020, 8 a.m. 37.2 ppb (34) 22.2 ppb (21) N/A 15.0 ppb (14) N/A N/A 0.0 ppb (0) N/A 29.0 μg/m3 (26) 22.0 μg/m3 (71) 71.0
 
Jan. 20, 2020, 7 a.m. 42.4 ppb (39) 26.5 ppb (25) N/A 16.0 ppb (15) N/A N/A 0.0 ppb (0) N/A 29.0 μg/m3 (26) 26.0 μg/m3 (80) 80.0
 
Jan. 20, 2020, 6 a.m. 39.6 ppb (37) 22.8 ppb (21) N/A 17.0 ppb (16) N/A N/A 0.0 ppb (0) N/A 24.0 μg/m3 (22) 20.0 μg/m3 (67) 67.0
 
Jan. 20, 2020, 5 a.m. 31.6 ppb (29) 14.8 ppb (14) N/A 17.0 ppb (16) N/A N/A 0.0 ppb (0) N/A 19.0 μg/m3 (17) 17.0 μg/m3 (61) 61.0
 
Jan. 20, 2020, 4 a.m. 20.4 ppb (19) 6.7 ppb (6) N/A 14.0 ppb (13) N/A N/A 2.0 ppb (2) N/A 12.0 μg/m3 (11) 14.0 μg/m3 (54) 54.0
 
Jan. 20, 2020, 3 a.m. 15.4 ppb (14) 4.0 ppb (4) N/A 11.0 ppb (10) N/A N/A 6.0 ppb (5) N/A 13.0 μg/m3 (12) 11.0 μg/m3 (46) 46.0
 
Jan. 20, 2020, 2 a.m. 21.3 ppb (20) 5.6 ppb (5) N/A 16.0 ppb (15) N/A N/A 2.0 ppb (2) N/A 16.0 μg/m3 (15) 14.0 μg/m3 (54) 54.0
 
Jan. 20, 2020, 1 a.m. 14.4 ppb (13) 1.8 ppb (2) N/A 13.0 ppb (12) N/A N/A 5.0 ppb (4) N/A 17.0 μg/m3 (15) 12.0 μg/m3 (50) 50.0
 
Jan. 20, 2020, midnight 11.8 ppb (11) 1.9 ppb (2) N/A 10.0 ppb (9) N/A N/A 9.0 ppb (7) N/A 15.0 μg/m3 (14) 13.0 μg/m3 (52) 52.0
 
Jan. 19, 2020, 11 p.m. 8.6 ppb (8) 1.7 ppb (2) N/A 7.0 ppb (6) N/A N/A 13.0 ppb (10) N/A 10.0 μg/m3 (9) 8.0 μg/m3 (33) 33.0
 
Jan. 19, 2020, 10 p.m. 9.3 ppb (9) 2.7 ppb (3) N/A 7.0 ppb (6) N/A N/A 15.0 ppb (12) N/A 12.0 μg/m3 (11) 10.0 μg/m3 (42) 42.0
 
Jan. 19, 2020, 9 p.m. 9.7 ppb (9) 3.2 ppb (3) N/A 6.0 ppb (6) N/A N/A 14.0 ppb (11) N/A 15.0 μg/m3 (14) 10.0 μg/m3 (42) 42.0
 
Jan. 19, 2020, 8 p.m. 9.2 ppb (9) 2.9 ppb (3) N/A 6.0 ppb (6) N/A N/A 14.0 ppb (11) N/A 16.0 μg/m3 (15) 14.0 μg/m3 (54) 54.0
 
Jan. 19, 2020, 7 p.m. 8.2 ppb (8) 2.4 ppb (2) N/A 6.0 ppb (6) N/A N/A 13.0 ppb (10) N/A 20.0 μg/m3 (18) 16.0 μg/m3 (59) 59.0
 
Jan. 19, 2020, 6 p.m. 9.0 ppb (8) 2.5 ppb (2) N/A 7.0 ppb (6) N/A N/A 11.0 ppb (8) N/A 19.0 μg/m3 (17) 15.0 μg/m3 (56) 56.0
 
Jan. 19, 2020, 5 p.m. 9.8 ppb (9) 2.0 ppb (2) N/A 8.0 ppb (7) N/A N/A 10.0 ppb (8) N/A 12.0 μg/m3 (11) 16.0 μg/m3 (59) 59.0
 
Jan. 19, 2020, 4 p.m. 9.4 ppb (9) 1.5 ppb (1) N/A 8.0 ppb (7) N/A N/A 9.0 ppb (7) N/A 15.0 μg/m3 (14) 15.0 μg/m3 (56) 56.0
 
Jan. 19, 2020, 3 p.m. 10.1 ppb (9) 1.1 ppb (1) N/A 9.0 ppb (8) N/A N/A 6.0 ppb (5) N/A 15.0 μg/m3 (14) 15.0 μg/m3 (56) 56.0
 
Jan. 19, 2020, 2 p.m. 8.6 ppb (8) 0.6 ppb (1) N/A 8.0 ppb (7) N/A N/A 6.0 ppb (5) N/A 12.0 μg/m3 (11) 14.0 μg/m3 (54) 54.0
 
Jan. 19, 2020, 1 p.m. 8.6 ppb (8) 0.9 ppb (1) N/A 8.0 ppb (7) N/A N/A 6.0 ppb (5) N/A 16.0 μg/m3 (15) 17.0 μg/m3 (61) 61.0
 
Jan. 19, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 25.0 μg/m3 (23) 25.0 μg/m3 (78) 78.0
 
Jan. 19, 2020, 11 a.m. 12.6 ppb (12) 1.6 ppb (1) N/A 11.0 ppb (10) N/A N/A 3.0 ppb (2) N/A 20.0 μg/m3 (18) 20.0 μg/m3 (67) 67.0
 
Jan. 19, 2020, 10 a.m. 12.7 ppb (12) 2.0 ppb (2) N/A 11.0 ppb (10) N/A N/A 2.0 ppb (2) N/A 24.0 μg/m3 (22) 17.0 μg/m3 (61) 61.0
 
Jan. 19, 2020, 9 a.m. 30.1 ppb (28) 12.5 ppb (12) N/A 18.0 ppb (17) N/A N/A 0.0 ppb (0) N/A 24.0 μg/m3 (22) 17.0 μg/m3 (61) 61.0
 
Jan. 19, 2020, 8 a.m. 50.5 ppb (47) 26.4 ppb (24) N/A 24.0 ppb (22) N/A N/A 0.0 ppb (0) N/A 23.0 μg/m3 (21) 19.0 μg/m3 (65) 65.0
 
Jan. 19, 2020, 7 a.m. 41.7 ppb (39) 16.3 ppb (15) N/A 25.0 ppb (23) N/A N/A 0.0 ppb (0) N/A 24.0 μg/m3 (22) 18.0 μg/m3 (63) 63.0
 
Jan. 19, 2020, 6 a.m. 39.2 ppb (36) 12.8 ppb (12) N/A 26.0 ppb (24) N/A N/A 1.0 ppb (1) N/A 13.0 μg/m3 (12) 10.0 μg/m3 (42) 42.0
 
Jan. 19, 2020, 5 a.m. 19.1 ppb (18) 2.4 ppb (2) N/A 17.0 ppb (16) N/A N/A 11.0 ppb (8) N/A 10.0 μg/m3 (9) 4.0 μg/m3 (17) 18.0
 
Jan. 19, 2020, 4 a.m. 13.6 ppb (13) 2.7 ppb (3) N/A 11.0 ppb (10) N/A N/A 19.0 ppb (15) N/A 9.0 μg/m3 (8) 5.0 μg/m3 (21) 21.0
 
Jan. 19, 2020, 3 a.m. 15.1 ppb (14) 2.5 ppb (2) N/A 13.0 ppb (12) N/A N/A 18.0 ppb (14) N/A 8.0 μg/m3 (7) 4.0 μg/m3 (17) 17.0
 
Jan. 19, 2020, 2 a.m. 11.9 ppb (11) 1.6 ppb (1) N/A 10.0 ppb (9) N/A N/A 21.0 ppb (16) N/A 7.0 μg/m3 (6) 2.0 μg/m3 (8) 16.0
 
Jan. 19, 2020, 1 a.m. 7.9 ppb (7) 1.9 ppb (2) N/A 6.0 ppb (6) N/A N/A 25.0 ppb (19) N/A 6.0 μg/m3 (5) 2.0 μg/m3 (8) 19.0
 
Jan. 19, 2020, midnight 6.8 ppb (6) 1.6 ppb (1) N/A 5.0 ppb (5) N/A N/A 26.0 ppb (20) N/A 4.0 μg/m3 (4) 4.0 μg/m3 (17) 20.0
 
Jan. 18, 2020, 11 p.m. 5.9 ppb (5) 1.7 ppb (2) N/A 4.0 ppb (4) N/A N/A 26.0 ppb (20) N/A 1.0 μg/m3 (1) 7.0 μg/m3 (29) 29.0
 
Jan. 18, 2020, 10 p.m. 5.0 ppb (5) 1.6 ppb (1) N/A 3.0 ppb (3) N/A N/A 28.0 ppb (22) N/A 4.0 μg/m3 (4) 3.0 μg/m3 (12) 22.0
 
Jan. 18, 2020, 9 p.m. 5.8 ppb (5) 2.1 ppb (2) N/A 4.0 ppb (4) N/A N/A 24.0 ppb (18) N/A 5.0 μg/m3 (5) 6.0 μg/m3 (25) 25.0
 
Jan. 18, 2020, 8 p.m. 7.7 ppb (7) 3.1 ppb (3) N/A 5.0 ppb (5) N/A N/A 21.0 ppb (16) N/A 7.0 μg/m3 (6) 6.0 μg/m3 (25) 25.0
 
Jan. 18, 2020, 7 p.m. 10.9 ppb (10) 4.5 ppb (4) N/A 6.0 ppb (6) N/A N/A 17.0 ppb (13) N/A 8.0 μg/m3 (7) 6.0 μg/m3 (25) 25.0
 
Jan. 18, 2020, 6 p.m. 10.8 ppb (10) 4.6 ppb (4) N/A 6.0 ppb (6) N/A N/A 15.0 ppb (12) N/A 16.0 μg/m3 (15) 8.0 μg/m3 (33) 33.0
 
Jan. 18, 2020, 5 p.m. 9.6 ppb (9) 4.1 ppb (4) N/A 6.0 ppb (6) N/A N/A 13.0 ppb (10) N/A 10.0 μg/m3 (9) 7.0 μg/m3 (29) 29.0
 
Jan. 18, 2020, 4 p.m. 10.3 ppb (10) 3.3 ppb (3) N/A 7.0 ppb (6) N/A N/A 12.0 ppb (9) N/A 12.0 μg/m3 (11) 6.0 μg/m3 (25) 25.0
 
Jan. 18, 2020, 3 p.m. 13.3 ppb (12) 2.4 ppb (2) N/A 11.0 ppb (10) N/A N/A 7.0 ppb (5) N/A 13.0 μg/m3 (12) 9.0 μg/m3 (38) 38.0
 
Jan. 18, 2020, 2 p.m. 15.0 ppb (14) 3.6 ppb (3) N/A 11.0 ppb (10) N/A N/A 6.0 ppb (5) N/A 16.0 μg/m3 (15) 9.0 μg/m3 (38) 38.0
 
Jan. 18, 2020, 1 p.m. 19.3 ppb (18) 5.2 ppb (5) N/A 14.0 ppb (13) N/A N/A 4.0 ppb (3) N/A 15.0 μg/m3 (14) 14.0 μg/m3 (54) 54.0
 
Jan. 18, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (10) 10.0 μg/m3 (42) 42.0
 
Jan. 18, 2020, 11 a.m. 14.1 ppb (13) 1.6 ppb (1) N/A 12.0 ppb (11) N/A N/A 7.0 ppb (5) N/A 15.0 μg/m3 (14) 5.0 μg/m3 (21) 21.0
 
Jan. 18, 2020, 10 a.m. 12.7 ppb (12) 2.3 ppb (2) N/A 10.0 ppb (9) N/A N/A 12.0 ppb (9) N/A 10.0 μg/m3 (9) 7.0 μg/m3 (29) 29.0
 
Jan. 18, 2020, 9 a.m. 20.9 ppb (19) 3.5 ppb (3) N/A 17.0 ppb (16) N/A N/A 6.0 ppb (5) N/A 15.0 μg/m3 (14) 9.0 μg/m3 (38) 38.0
 
Jan. 18, 2020, 8 a.m. 20.2 ppb (19) 3.5 ppb (3) N/A 17.0 ppb (16) N/A N/A 6.0 ppb (5) N/A 11.0 μg/m3 (10) 9.0 μg/m3 (38) 38.0
 
Jan. 18, 2020, 7 a.m. 14.3 ppb (13) 2.9 ppb (3) N/A 11.0 ppb (10) N/A N/A 13.0 ppb (10) N/A 7.0 μg/m3 (6) 6.0 μg/m3 (25) 25.0
 
Jan. 18, 2020, 6 a.m. 13.8 ppb (13) 2.3 ppb (2) N/A 11.0 ppb (10) N/A N/A 13.0 ppb (10) N/A 12.0 μg/m3 (11) 4.0 μg/m3 (17) 17.0
 
Jan. 18, 2020, 5 a.m. 12.9 ppb (12) 2.0 ppb (2) N/A 11.0 ppb (10) N/A N/A 14.0 ppb (11) N/A 9.0 μg/m3 (8) 6.0 μg/m3 (25) 25.0
 
Jan. 18, 2020, 4 a.m. 12.5 ppb (12) 2.1 ppb (2) N/A 10.0 ppb (9) N/A N/A 15.0 ppb (12) N/A 7.0 μg/m3 (6) 7.0 μg/m3 (29) 29.0
 
Jan. 18, 2020, 3 a.m. 18.2 ppb (17) 3.5 ppb (3) N/A 15.0 ppb (14) N/A N/A 10.0 ppb (8) N/A 9.0 μg/m3 (8) 9.0 μg/m3 (38) 38.0
 
Jan. 18, 2020, 2 a.m. 16.4 ppb (15) 2.4 ppb (2) N/A 14.0 ppb (13) N/A N/A 11.0 ppb (8) N/A 13.0 μg/m3 (12) 8.0 μg/m3 (33) 33.0
 
Jan. 18, 2020, 1 a.m. 13.8 ppb (13) 2.3 ppb (2) N/A 11.0 ppb (10) N/A N/A 15.0 ppb (12) N/A 10.0 μg/m3 (9) 4.0 μg/m3 (17) 17.0
 
Jan. 18, 2020, midnight 12.4 ppb (11) 2.5 ppb (2) N/A 10.0 ppb (9) N/A N/A 17.0 ppb (13) N/A 8.0 μg/m3 (7) 4.0 μg/m3 (17) 17.0
 
Jan. 17, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (6) 5.0 μg/m3 (21) 21.0
 
Jan. 17, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (7) 6.0 μg/m3 (25) 25.0
 
Jan. 17, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (8) 6.0 μg/m3 (25) 25.0
 
Jan. 17, 2020, 8 p.m. 17.2 ppb (16) 6.5 ppb (6) N/A 11.0 ppb (10) N/A N/A 20.0 ppb (15) N/A 16.0 μg/m3 (15) 5.0 μg/m3 (21) 21.0
 
Jan. 17, 2020, 7 p.m. 15.2 ppb (14) 4.9 ppb (5) N/A 10.0 ppb (9) N/A N/A 22.0 ppb (17) N/A 8.0 μg/m3 (7) 6.0 μg/m3 (25) 25.0
 
Jan. 17, 2020, 6 p.m. 14.2 ppb (13) 4.4 ppb (4) N/A 10.0 ppb (9) N/A N/A 22.0 ppb (17) N/A 8.0 μg/m3 (7) 7.0 μg/m3 (29) 29.0
 
Jan. 17, 2020, 5 p.m. 15.4 ppb (14) 3.3 ppb (3) N/A 12.0 ppb (11) N/A N/A 18.0 ppb (14) N/A 9.0 μg/m3 (8) 6.0 μg/m3 (25) 25.0
 
Jan. 17, 2020, 4 p.m. 14.5 ppb (13) 2.1 ppb (2) N/A 12.0 ppb (11) N/A N/A 15.0 ppb (12) N/A 6.0 μg/m3 (5) 6.0 μg/m3 (25) 25.0
 
Jan. 17, 2020, 3 p.m. 9.7 ppb (9) 0.8 ppb (1) N/A 9.0 ppb (8) N/A N/A 19.0 ppb (15) N/A 6.0 μg/m3 (5) 6.0 μg/m3 (25) 25.0
 
Jan. 17, 2020, 2 p.m. 9.4 ppb (9) 0.7 ppb (1) N/A 9.0 ppb (8) N/A N/A 19.0 ppb (15) N/A 5.0 μg/m3 (5) 5.0 μg/m3 (21) 21.0
 
Jan. 17, 2020, 1 p.m. 11.9 ppb (11) 0.8 ppb (1) N/A 11.0 ppb (10) N/A N/A 16.0 ppb (12) N/A 4.0 μg/m3 (4) 5.0 μg/m3 (21) 21.0
 
Jan. 17, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (6) 4.0 μg/m3 (17) 17.0
 
Jan. 17, 2020, 11 a.m. 7.6 ppb (7) 0.4 ppb (0) N/A 7.0 ppb (6) N/A N/A 21.0 ppb (16) N/A 6.0 μg/m3 (5) 3.0 μg/m3 (12) 16.0
 
Jan. 17, 2020, 10 a.m. 6.7 ppb (6) 0.4 ppb (0) N/A 6.0 ppb (6) N/A N/A 22.0 ppb (17) N/A 5.0 μg/m3 (5) 4.0 μg/m3 (17) 17.0
 
Jan. 17, 2020, 9 a.m. 6.3 ppb (6) 0.4 ppb (0) N/A 6.0 ppb (6) N/A N/A 23.0 ppb (18) N/A 7.0 μg/m3 (6) 2.0 μg/m3 (8) 18.0
 
Jan. 17, 2020, 8 a.m. 6.7 ppb (6) 0.4 ppb (0) N/A 6.0 ppb (6) N/A N/A 23.0 ppb (18) N/A 7.0 μg/m3 (6) 3.0 μg/m3 (12) 18.0
 
Jan. 17, 2020, 7 a.m. 8.0 ppb (7) 0.4 ppb (0) N/A 8.0 ppb (7) N/A N/A 23.0 ppb (18) N/A 8.0 μg/m3 (7) 6.0 μg/m3 (25) 25.0
 
Jan. 17, 2020, 6 a.m. 8.7 ppb (8) 0.5 ppb (0) N/A 8.0 ppb (7) N/A N/A 24.0 ppb (18) N/A 9.0 μg/m3 (8) 8.0 μg/m3 (33) 33.0
 
Jan. 17, 2020, 5 a.m. 9.0 ppb (8) 0.6 ppb (1) N/A 8.0 ppb (7) N/A N/A 23.0 ppb (18) N/A 5.0 μg/m3 (5) 6.0 μg/m3 (25) 25.0
 
Jan. 17, 2020, 4 a.m. 9.1 ppb (8) 0.7 ppb (1) N/A 8.0 ppb (7) N/A N/A 23.0 ppb (18) N/A 3.0 μg/m3 (3) 6.0 μg/m3 (25) 25.0
 
Jan. 17, 2020, 3 a.m. 12.3 ppb (11) 0.9 ppb (1) N/A 11.0 ppb (10) N/A N/A 22.0 ppb (17) N/A 6.0 μg/m3 (5) 4.0 μg/m3 (17) 17.0
 
Jan. 17, 2020, 2 a.m. 13.5 ppb (12) 0.7 ppb (1) N/A 13.0 ppb (12) N/A N/A 23.0 ppb (18) N/A 7.0 μg/m3 (6) 2.0 μg/m3 (8) 18.0
 
Jan. 17, 2020, 1 a.m. 13.0 ppb (12) 0.9 ppb (1) N/A 12.0 ppb (11) N/A N/A 24.0 ppb (18) N/A 5.0 μg/m3 (5) 1.0 μg/m3 (4) 18.0
 
Jan. 17, 2020, midnight 10.0 ppb (9) 1.2 ppb (1) N/A 9.0 ppb (8) N/A N/A 28.0 ppb (22) N/A 4.0 μg/m3 (4) 2.0 μg/m3 (8) 22.0
 
Jan. 16, 2020, 11 p.m. 9.3 ppb (9) 1.4 ppb (1) N/A 8.0 ppb (7) N/A N/A 30.0 ppb (23) N/A 1.0 μg/m3 (1) 2.0 μg/m3 (8) 23.0
 
Jan. 16, 2020, 10 p.m. 8.0 ppb (7) 1.2 ppb (1) N/A 7.0 ppb (6) N/A N/A 32.0 ppb (25) N/A 3.0 μg/m3 (3) 3.0 μg/m3 (12) 25.0
 
Jan. 16, 2020, 9 p.m. 9.2 ppb (9) 1.3 ppb (1) N/A 8.0 ppb (7) N/A N/A 32.0 ppb (25) N/A 3.0 μg/m3 (3) 2.0 μg/m3 (8) 25.0
 
Jan. 16, 2020, 8 p.m. 10.1 ppb (9) 1.0 ppb (1) N/A 9.0 ppb (8) N/A N/A 31.0 ppb (24) N/A 2.0 μg/m3 (2) 1.0 μg/m3 (4) 24.0
 
Jan. 16, 2020, 7 p.m. 9.3 ppb (9) 1.1 ppb (1) N/A 8.0 ppb (7) N/A N/A 28.0 ppb (22) N/A 6.0 μg/m3 (5) 3.0 μg/m3 (12) 22.0
 
Jan. 16, 2020, 6 p.m. 9.9 ppb (9) 1.3 ppb (1) N/A 9.0 ppb (8) N/A N/A 21.0 ppb (16) N/A 10.0 μg/m3 (9) 8.0 μg/m3 (33) 33.0
 
Jan. 16, 2020, 5 p.m. 7.8 ppb (7) 1.1 ppb (1) N/A 7.0 ppb (6) N/A N/A 25.0 ppb (19) N/A 19.0 μg/m3 (17) 10.0 μg/m3 (42) 42.0
 
Jan. 16, 2020, 4 p.m. 6.8 ppb (6) 0.8 ppb (1) N/A 6.0 ppb (6) N/A N/A 28.0 ppb (22) N/A 19.0 μg/m3 (17) 4.0 μg/m3 (17) 22.0
 
Jan. 16, 2020, 3 p.m. 6.7 ppb (6) 0.6 ppb (1) N/A 6.0 ppb (6) N/A N/A 29.0 ppb (22) N/A 11.0 μg/m3 (10) 3.0 μg/m3 (12) 22.0
 
Jan. 16, 2020, 2 p.m. 6.4 ppb (6) 0.5 ppb (0) N/A 6.0 ppb (6) N/A N/A 26.0 ppb (20) N/A 12.0 μg/m3 (11) 3.0 μg/m3 (12) 20.0
 
Jan. 16, 2020, 1 p.m. 6.8 ppb (6) 0.6 ppb (1) N/A 6.0 ppb (6) N/A N/A 22.0 ppb (17) N/A 15.0 μg/m3 (14) 4.0 μg/m3 (17) 17.0
 
Jan. 16, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (17) 6.0 μg/m3 (25) 25.0
 
Jan. 16, 2020, 11 a.m. 7.6 ppb (7) 0.4 ppb (0) N/A 7.0 ppb (6) N/A N/A 22.0 ppb (17) N/A 11.0 μg/m3 (10) 4.0 μg/m3 (17) 17.0
 
Jan. 16, 2020, 10 a.m. 8.5 ppb (8) 0.4 ppb (0) N/A 8.0 ppb (7) N/A N/A 23.0 ppb (18) N/A 10.0 μg/m3 (9) 3.0 μg/m3 (12) 18.0
 
Jan. 16, 2020, 9 a.m. 11.9 ppb (11) 0.6 ppb (1) N/A 11.0 ppb (10) N/A N/A 15.0 ppb (12) N/A 20.0 μg/m3 (18) 7.0 μg/m3 (29) 29.0
 
Jan. 16, 2020, 8 a.m. 14.6 ppb (14) 0.9 ppb (1) N/A 14.0 ppb (13) N/A N/A 12.0 ppb (9) N/A 19.0 μg/m3 (17) 10.0 μg/m3 (42) 42.0
 
Jan. 16, 2020, 7 a.m. 20.1 ppb (19) 1.3 ppb (1) N/A 19.0 ppb (18) N/A N/A 9.0 ppb (7) N/A 21.0 μg/m3 (19) 13.0 μg/m3 (52) 52.0
 
Jan. 16, 2020, 6 a.m. 23.2 ppb (21) 2.1 ppb (2) N/A 21.0 ppb (19) N/A N/A 7.0 ppb (5) N/A 20.0 μg/m3 (18) 10.0 μg/m3 (42) 42.0
 
Jan. 16, 2020, 5 a.m. 29.2 ppb (27) 3.5 ppb (3) N/A 26.0 ppb (24) N/A N/A 4.0 ppb (3) N/A 27.0 μg/m3 (25) 14.0 μg/m3 (54) 54.0
 
Jan. 16, 2020, 4 a.m. 32.3 ppb (30) 4.3 ppb (4) N/A 28.0 ppb (26) N/A N/A 4.0 ppb (3) N/A 25.0 μg/m3 (23) 11.0 μg/m3 (46) 46.0
 
Jan. 16, 2020, 3 a.m. 28.0 ppb (26) 2.7 ppb (3) N/A 25.0 ppb (23) N/A N/A 8.0 ppb (6) N/A 18.0 μg/m3 (16) 8.0 μg/m3 (33) 33.0
 
Jan. 16, 2020, 2 a.m. 23.6 ppb (22) 1.9 ppb (2) N/A 22.0 ppb (20) N/A N/A 12.0 ppb (9) N/A 19.0 μg/m3 (17) 6.0 μg/m3 (25) 25.0
 
Jan. 16, 2020, 1 a.m. 16.1 ppb (15) 1.3 ppb (1) N/A 15.0 ppb (14) N/A N/A 20.0 ppb (15) N/A 16.0 μg/m3 (15) 4.0 μg/m3 (17) 17.0
 
Jan. 16, 2020, midnight 8.7 ppb (8) 0.8 ppb (1) N/A 8.0 ppb (7) N/A N/A 28.0 ppb (22) N/A 10.0 μg/m3 (9) 1.0 μg/m3 (4) 22.0
 
Jan. 15, 2020, 11 p.m. 8.3 ppb (8) 1.1 ppb (1) N/A 7.0 ppb (6) N/A N/A N/A N/A 9.0 μg/m3 (8) 3.0 μg/m3 (12) 12.0
 
Jan. 15, 2020, 10 p.m. 7.1 ppb (7) 1.4 ppb (1) N/A 6.0 ppb (6) N/A N/A 31.0 ppb (24) N/A 9.0 μg/m3 (8) 6.0 μg/m3 (25) 25.0
 
Jan. 15, 2020, 9 p.m. 9.8 ppb (9) 2.3 ppb (2) N/A 8.0 ppb (7) N/A N/A 28.0 ppb (22) N/A 9.0 μg/m3 (8) 6.0 μg/m3 (25) 25.0
 
Jan. 15, 2020, 8 p.m. 9.9 ppb (9) 2.5 ppb (2) N/A 7.0 ppb (6) N/A N/A 28.0 ppb (22) N/A 12.0 μg/m3 (11) 4.0 μg/m3 (17) 22.0
 
Jan. 15, 2020, 7 p.m. 9.6 ppb (9) 2.8 ppb (3) N/A 7.0 ppb (6) N/A N/A 27.0 ppb (21) N/A 10.0 μg/m3 (9) 6.0 μg/m3 (25) 25.0
 
Jan. 15, 2020, 6 p.m. 19.6 ppb (18) 7.9 ppb (7) N/A 12.0 ppb (11) N/A N/A 18.0 ppb (14) N/A 16.0 μg/m3 (15) 7.0 μg/m3 (29) 29.0
 
Jan. 15, 2020, 5 p.m. 35.5 ppb (33) 18.0 ppb (17) N/A 18.0 ppb (17) N/A N/A 8.0 ppb (6) N/A 23.0 μg/m3 (21) 8.0 μg/m3 (33) 33.0
 
Jan. 15, 2020, 4 p.m. 37.5 ppb (35) 19.8 ppb (18) N/A 18.0 ppb (17) N/A N/A 3.0 ppb (2) N/A 20.0 μg/m3 (18) 8.0 μg/m3 (33) 35.0
 
Jan. 15, 2020, 3 p.m. 33.7 ppb (31) 14.5 ppb (13) N/A 19.0 ppb (18) N/A N/A 0.0 ppb (0) N/A 21.0 μg/m3 (19) 9.0 μg/m3 (38) 38.0
 
Jan. 15, 2020, 2 p.m. 25.4 ppb (24) 8.3 ppb (8) N/A 17.0 ppb (16) N/A N/A 1.0 ppb (1) N/A 10.0 μg/m3 (9) 11.0 μg/m3 (46) 46.0
 
Jan. 15, 2020, 1 p.m. 19.6 ppb (18) 4.6 ppb (4) N/A 15.0 ppb (14) N/A N/A 2.0 ppb (2) N/A 11.0 μg/m3 (10) 13.0 μg/m3 (52) 52.0
 
Jan. 15, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) N/A 13.0
 
Jan. 15, 2020, 11 a.m. 15.4 ppb (14) 1.1 ppb (1) N/A 14.0 ppb (13) N/A N/A 7.0 ppb (5) N/A 13.0 μg/m3 (12) N/A 14.0
 
Jan. 15, 2020, 10 a.m. 21.8 ppb (20) 2.1 ppb (2) N/A 20.0 ppb (19) N/A N/A 4.0 ppb (3) N/A 14.0 μg/m3 (13) 6.0 μg/m3 (25) 25.0
 
Jan. 15, 2020, 9 a.m. 21.7 ppb (20) 1.9 ppb (2) N/A 20.0 ppb (19) N/A N/A 5.0 ppb (4) N/A 12.0 μg/m3 (11) 6.0 μg/m3 (25) 25.0
 
Jan. 15, 2020, 8 a.m. 22.6 ppb (21) 2.4 ppb (2) N/A 20.0 ppb (19) N/A N/A 5.0 ppb (4) N/A 14.0 μg/m3 (13) 6.0 μg/m3 (25) 25.0
 
Jan. 15, 2020, 7 a.m. 23.7 ppb (22) 2.4 ppb (2) N/A 21.0 ppb (19) N/A N/A 4.0 ppb (3) N/A 13.0 μg/m3 (12) 5.0 μg/m3 (21) 22.0
 
Jan. 15, 2020, 6 a.m. 27.7 ppb (26) 5.3 ppb (5) N/A 22.0 ppb (20) N/A N/A 3.0 ppb (2) N/A 15.0 μg/m3 (14) 7.0 μg/m3 (29) 29.0
 
Jan. 15, 2020, 5 a.m. 28.3 ppb (26) 4.9 ppb (5) N/A 23.0 ppb (21) N/A N/A 5.0 ppb (4) N/A 17.0 μg/m3 (15) 6.0 μg/m3 (25) 26.0
 
Jan. 15, 2020, 4 a.m. 17.1 ppb (16) 1.7 ppb (2) N/A 15.0 ppb (14) N/A N/A 12.0 ppb (9) N/A 11.0 μg/m3 (10) 4.0 μg/m3 (17) 17.0
 
Jan. 15, 2020, 3 a.m. 11.1 ppb (10) 1.2 ppb (1) N/A 10.0 ppb (9) N/A N/A 19.0 ppb (15) N/A 12.0 μg/m3 (11) 5.0 μg/m3 (21) 21.0
 
Jan. 15, 2020, 2 a.m. 15.3 ppb (14) 1.2 ppb (1) N/A 14.0 ppb (13) N/A N/A 19.0 ppb (15) N/A 11.0 μg/m3 (10) 6.0 μg/m3 (25) 25.0
 
Jan. 15, 2020, 1 a.m. 11.1 ppb (10) 0.9 ppb (1) N/A 10.0 ppb (9) N/A N/A 27.0 ppb (21) N/A 8.0 μg/m3 (7) 0.0 μg/m3 (0) 21.0
 
Jan. 15, 2020, midnight 4.0 ppb (4) 0.5 ppb (0) N/A 4.0 ppb (4) N/A N/A 35.0 ppb (27) N/A 5.0 μg/m3 (5) -1.0 μg/m3 (0) 27.0
 
Jan. 14, 2020, 11 p.m. 2.9 ppb (3) 0.7 ppb (1) N/A 2.0 ppb (2) N/A N/A 36.0 ppb (28) N/A 6.0 μg/m3 (5) 2.0 μg/m3 (8) 28.0
 
Jan. 14, 2020, 10 p.m. 2.7 ppb (3) 0.7 ppb (1) N/A 2.0 ppb (2) N/A N/A 36.0 ppb (28) N/A 11.0 μg/m3 (10) 4.0 μg/m3 (17) 28.0
 
Jan. 14, 2020, 9 p.m. 3.2 ppb (3) 0.8 ppb (1) N/A 2.0 ppb (2) N/A N/A 36.0 ppb (28) N/A 5.0 μg/m3 (5) 4.0 μg/m3 (17) 28.0
 
Jan. 14, 2020, 8 p.m. 3.8 ppb (4) 1.0 ppb (1) N/A 3.0 ppb (3) N/A N/A 35.0 ppb (27) N/A 6.0 μg/m3 (5) 2.0 μg/m3 (8) 27.0
 
Jan. 14, 2020, 7 p.m. 4.8 ppb (4) 1.3 ppb (1) N/A 4.0 ppb (4) N/A N/A 33.0 ppb (25) N/A 9.0 μg/m3 (8) 2.0 μg/m3 (8) 25.0
 
Jan. 14, 2020, 6 p.m. 6.4 ppb (6) 1.7 ppb (2) N/A 5.0 ppb (5) N/A N/A 30.0 ppb (23) N/A 4.0 μg/m3 (4) 4.0 μg/m3 (17) 23.0
 
Jan. 14, 2020, 5 p.m. 9.0 ppb (8) 2.4 ppb (2) N/A 7.0 ppb (6) N/A N/A 26.0 ppb (20) N/A 27.0 μg/m3 (25) 4.0 μg/m3 (17) 25.0
 
Jan. 14, 2020, 4 p.m. 10.9 ppb (10) 1.9 ppb (2) N/A 9.0 ppb (8) N/A N/A 24.0 ppb (18) N/A 7.0 μg/m3 (6) 3.0 μg/m3 (12) 18.0
 
Jan. 14, 2020, 3 p.m. 9.9 ppb (9) 1.1 ppb (1) N/A 9.0 ppb (8) N/A N/A 24.0 ppb (18) N/A 8.0 μg/m3 (7) 4.0 μg/m3 (17) 18.0
 
Jan. 14, 2020, 2 p.m. 6.8 ppb (6) 0.7 ppb (1) N/A 6.0 ppb (6) N/A N/A 28.0 ppb (22) N/A 7.0 μg/m3 (6) 4.0 μg/m3 (17) 22.0
 
Jan. 14, 2020, 1 p.m. 4.4 ppb (4) 0.4 ppb (0) N/A 4.0 ppb (4) N/A N/A 30.0 ppb (23) N/A 3.0 μg/m3 (3) 1.0 μg/m3 (4) 23.0
 
Jan. 14, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) 1.0 μg/m3 (4) 5.0
 
Jan. 14, 2020, 11 a.m. 5.0 ppb (5) 0.3 ppb (0) N/A 5.0 ppb (5) N/A N/A 23.0 ppb (18) N/A 8.0 μg/m3 (7) 3.0 μg/m3 (12) 18.0
 
Jan. 14, 2020, 10 a.m. 5.5 ppb (5) 0.3 ppb (0) N/A 5.0 ppb (5) N/A N/A 23.0 ppb (18) N/A 12.0 μg/m3 (11) 5.0 μg/m3 (21) 21.0
 
Jan. 14, 2020, 9 a.m. 6.5 ppb (6) 0.3 ppb (0) N/A 6.0 ppb (6) N/A N/A 23.0 ppb (18) N/A 11.0 μg/m3 (10) 4.0 μg/m3 (17) 18.0
 
Jan. 14, 2020, 8 a.m. 6.9 ppb (6) 0.4 ppb (0) N/A 7.0 ppb (6) N/A N/A 24.0 ppb (18) N/A 9.0 μg/m3 (8) 0.0 μg/m3 (0) 18.0
 
Jan. 14, 2020, 7 a.m. 6.8 ppb (6) 0.4 ppb (0) N/A 6.0 ppb (6) N/A N/A 25.0 ppb (19) N/A 11.0 μg/m3 (10) 1.0 μg/m3 (4) 19.0
 
Jan. 14, 2020, 6 a.m. 6.6 ppb (6) 0.4 ppb (0) N/A 6.0 ppb (6) N/A N/A 25.0 ppb (19) N/A 8.0 μg/m3 (7) 2.0 μg/m3 (8) 19.0
 
Jan. 14, 2020, 5 a.m. 6.2 ppb (6) 0.4 ppb (0) N/A 6.0 ppb (6) N/A N/A 27.0 ppb (21) N/A 9.0 μg/m3 (8) 2.0 μg/m3 (8) 21.0
 
Jan. 14, 2020, 4 a.m. 7.9 ppb (7) 0.5 ppb (0) N/A 7.0 ppb (6) N/A N/A 28.0 ppb (22) N/A 5.0 μg/m3 (5) 3.0 μg/m3 (12) 22.0
 
Jan. 14, 2020, 3 a.m. 6.4 ppb (6) 0.5 ppb (0) N/A 6.0 ppb (6) N/A N/A 30.0 ppb (23) N/A 6.0 μg/m3 (5) 3.0 μg/m3 (12) 23.0
 
Jan. 14, 2020, 2 a.m. 6.3 ppb (6) 0.4 ppb (0) N/A 6.0 ppb (6) N/A N/A 30.0 ppb (23) N/A 8.0 μg/m3 (7) 2.0 μg/m3 (8) 23.0
 
Jan. 14, 2020, 1 a.m. 5.6 ppb (5) 0.5 ppb (0) N/A 5.0 ppb (5) N/A N/A 33.0 ppb (25) N/A 8.0 μg/m3 (7) 1.0 μg/m3 (4) 25.0
 
Jan. 14, 2020, midnight 5.4 ppb (5) 0.6 ppb (1) N/A 5.0 ppb (5) N/A N/A 33.0 ppb (25) N/A 7.0 μg/m3 (6) 2.0 μg/m3 (8) 25.0
 
Jan. 13, 2020, 11 p.m. 4.8 ppb (4) 0.8 ppb (1) N/A 4.0 ppb (4) N/A N/A 35.0 ppb (27) N/A 5.0 μg/m3 (5) 4.0 μg/m3 (17) 27.0
 
Jan. 13, 2020, 10 p.m. 4.8 ppb (4) 1.0 ppb (1) N/A 4.0 ppb (4) N/A N/A 35.0 ppb (27) N/A 6.0 μg/m3 (5) 2.0 μg/m3 (8) 27.0
 
Jan. 13, 2020, 9 p.m. 4.5 ppb (4) 1.2 ppb (1) N/A 3.0 ppb (3) N/A N/A 36.0 ppb (28) N/A 7.0 μg/m3 (6) 0.0 μg/m3 (0) 28.0
 
Jan. 13, 2020, 8 p.m. 6.0 ppb (6) 1.7 ppb (2) N/A 4.0 ppb (4) N/A N/A 33.0 ppb (25) N/A 10.0 μg/m3 (9) 3.0 μg/m3 (12) 25.0