AQSQID: 060010007

Site Name: Livermore - Rincon

Location: Livermore (Trevarno), CA

Reporting: True, Located: True

Current AQI: 67.0

Livermore (Trevarno) CA, US: 37.687526, -121.784217

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Jan. 21, 2020, 5 a.m. 33.6 ppb (31) 10.9 ppb (10) N/A 23.0 ppb (21) N/A N/A 2.0 ppb (2) N/A N/A 20.0 μg/m3 (67) 67.0
 
Jan. 21, 2020, 4 a.m. 39.9 ppb (37) 17.9 ppb (17) N/A 22.0 ppb (20) N/A N/A 0.0 ppb (0) N/A N/A 16.0 μg/m3 (59) 59.0
 
Jan. 21, 2020, 3 a.m. 42.6 ppb (39) 19.5 ppb (18) N/A 23.0 ppb (21) N/A N/A 1.0 ppb (1) N/A N/A 21.0 μg/m3 (69) 69.0
 
Jan. 21, 2020, 2 a.m. 48.8 ppb (45) 25.7 ppb (24) N/A 23.0 ppb (21) N/A N/A 1.0 ppb (1) N/A N/A 16.0 μg/m3 (59) 59.0
 
Jan. 21, 2020, 1 a.m. 38.6 ppb (36) 14.9 ppb (14) N/A 24.0 ppb (22) N/A N/A 0.0 ppb (0) N/A N/A 17.0 μg/m3 (61) 61.0
 
Jan. 21, 2020, midnight 22.5 ppb (21) 5.0 ppb (5) N/A 18.0 ppb (17) N/A N/A 7.0 ppb (5) N/A N/A 15.0 μg/m3 (56) 56.0
 
Jan. 20, 2020, 11 p.m. 19.1 ppb (18) 5.1 ppb (5) N/A 14.0 ppb (13) N/A N/A 9.0 ppb (7) N/A N/A 14.0 μg/m3 (54) 54.0
 
Jan. 20, 2020, 10 p.m. 26.8 ppb (25) 12.4 ppb (11) N/A 14.0 ppb (13) N/A N/A 6.0 ppb (5) N/A N/A 15.0 μg/m3 (56) 56.0
 
Jan. 20, 2020, 9 p.m. 30.8 ppb (29) 15.4 ppb (14) N/A 15.0 ppb (14) N/A N/A 4.0 ppb (3) N/A N/A 22.0 μg/m3 (71) 71.0
 
Jan. 20, 2020, 8 p.m. 41.3 ppb (38) 24.8 ppb (23) N/A 17.0 ppb (16) N/A N/A 3.0 ppb (2) N/A N/A 21.0 μg/m3 (69) 69.0
 
Jan. 20, 2020, 7 p.m. 38.3 ppb (35) 22.6 ppb (21) N/A 16.0 ppb (15) N/A N/A 2.0 ppb (2) N/A N/A 18.0 μg/m3 (63) 63.0
 
Jan. 20, 2020, 6 p.m. 44.9 ppb (42) 29.3 ppb (27) N/A 16.0 ppb (15) N/A N/A 1.0 ppb (1) N/A N/A 15.0 μg/m3 (56) 56.0
 
Jan. 20, 2020, 5 p.m. 43.4 ppb (40) 28.3 ppb (26) N/A 15.0 ppb (14) N/A N/A 0.0 ppb (0) N/A N/A 15.0 μg/m3 (56) 56.0
 
Jan. 20, 2020, 4 p.m. 39.9 ppb (37) 25.9 ppb (24) N/A 14.0 ppb (13) N/A N/A 0.0 ppb (0) N/A N/A 15.0 μg/m3 (56) 56.0
 
Jan. 20, 2020, 3 p.m. 38.5 ppb (36) 24.8 ppb (23) N/A 14.0 ppb (13) N/A N/A 0.0 ppb (0) N/A N/A 14.0 μg/m3 (54) 54.0
 
Jan. 20, 2020, 2 p.m. 40.0 ppb (37) 25.1 ppb (23) N/A 15.0 ppb (14) N/A N/A 0.0 ppb (0) N/A N/A 12.0 μg/m3 (50) 50.0
 
Jan. 20, 2020, 1 p.m. 26.0 ppb (24) 12.2 ppb (11) N/A 14.0 ppb (13) N/A N/A 0.0 ppb (0) N/A N/A 13.0 μg/m3 (52) 52.0
 
Jan. 20, 2020, noon 19.1 ppb (18) 6.1 ppb (6) N/A 13.0 ppb (12) N/A N/A 0.0 ppb (0) N/A N/A 15.0 μg/m3 (56) 56.0
 
Jan. 20, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (52) 52.0
 
Jan. 20, 2020, 10 a.m. 10.9 ppb (10) 0.7 ppb (1) N/A 10.0 ppb (9) N/A N/A 4.0 ppb (3) N/A N/A 11.0 μg/m3 (46) 46.0
 
Jan. 20, 2020, 9 a.m. 7.6 ppb (7) 0.5 ppb (0) N/A 7.0 ppb (6) N/A N/A 9.0 ppb (7) N/A N/A 13.0 μg/m3 (52) 52.0
 
Jan. 20, 2020, 8 a.m. 7.8 ppb (7) 0.5 ppb (0) N/A 7.0 ppb (6) N/A N/A 9.0 ppb (7) N/A N/A 16.0 μg/m3 (59) 59.0
 
Jan. 20, 2020, 7 a.m. 4.8 ppb (4) 0.3 ppb (0) N/A 5.0 ppb (5) N/A N/A 13.0 ppb (10) N/A N/A 15.0 μg/m3 (56) 56.0
 
Jan. 20, 2020, 6 a.m. 9.4 ppb (9) 0.9 ppb (1) N/A 9.0 ppb (8) N/A N/A 9.0 ppb (7) N/A N/A 13.0 μg/m3 (52) 52.0
 
Jan. 20, 2020, 5 a.m. 9.6 ppb (9) 0.9 ppb (1) N/A 9.0 ppb (8) N/A N/A 8.0 ppb (6) N/A N/A 16.0 μg/m3 (59) 59.0
 
Jan. 20, 2020, 4 a.m. 7.8 ppb (7) 0.7 ppb (1) N/A 7.0 ppb (6) N/A N/A 11.0 ppb (8) N/A N/A 14.0 μg/m3 (54) 54.0
 
Jan. 20, 2020, 3 a.m. 7.5 ppb (7) 1.0 ppb (1) N/A 7.0 ppb (6) N/A N/A 12.0 ppb (9) N/A N/A 16.0 μg/m3 (59) 59.0
 
Jan. 20, 2020, 2 a.m. 5.5 ppb (5) 0.8 ppb (1) N/A 5.0 ppb (5) N/A N/A 14.0 ppb (11) N/A N/A 8.0 μg/m3 (33) 33.0
 
Jan. 20, 2020, 1 a.m. 6.2 ppb (6) 1.2 ppb (1) N/A 5.0 ppb (5) N/A N/A 14.0 ppb (11) N/A N/A 10.0 μg/m3 (42) 42.0
 
Jan. 20, 2020, midnight 5.2 ppb (5) 1.2 ppb (1) N/A 4.0 ppb (4) N/A N/A 13.0 ppb (10) N/A N/A 12.0 μg/m3 (50) 50.0
 
Jan. 19, 2020, 11 p.m. 4.8 ppb (4) 1.3 ppb (1) N/A 4.0 ppb (4) N/A N/A 14.0 ppb (11) N/A N/A 10.0 μg/m3 (42) 42.0
 
Jan. 19, 2020, 10 p.m. 5.1 ppb (5) 1.6 ppb (1) N/A 4.0 ppb (4) N/A N/A 14.0 ppb (11) N/A N/A 11.0 μg/m3 (46) 46.0
 
Jan. 19, 2020, 9 p.m. 5.0 ppb (5) 1.8 ppb (2) N/A 3.0 ppb (3) N/A N/A 16.0 ppb (12) N/A N/A 11.0 μg/m3 (46) 46.0
 
Jan. 19, 2020, 8 p.m. 4.9 ppb (5) 2.0 ppb (2) N/A 3.0 ppb (3) N/A N/A 14.0 ppb (11) N/A N/A 10.0 μg/m3 (42) 42.0
 
Jan. 19, 2020, 7 p.m. 5.1 ppb (5) 1.9 ppb (2) N/A 3.0 ppb (3) N/A N/A 13.0 ppb (10) N/A N/A 11.0 μg/m3 (46) 46.0
 
Jan. 19, 2020, 6 p.m. 5.5 ppb (5) 1.8 ppb (2) N/A 4.0 ppb (4) N/A N/A 14.0 ppb (11) N/A N/A 8.0 μg/m3 (33) 33.0
 
Jan. 19, 2020, 5 p.m. 5.3 ppb (5) 1.5 ppb (1) N/A 4.0 ppb (4) N/A N/A 16.0 ppb (12) N/A N/A 8.0 μg/m3 (33) 33.0
 
Jan. 19, 2020, 4 p.m. 8.5 ppb (8) 1.5 ppb (1) N/A 7.0 ppb (6) N/A N/A 14.0 ppb (11) N/A N/A 5.0 μg/m3 (21) 21.0
 
Jan. 19, 2020, 3 p.m. 6.2 ppb (6) 0.5 ppb (0) N/A 6.0 ppb (6) N/A N/A 15.0 ppb (12) N/A N/A 4.0 μg/m3 (17) 17.0
 
Jan. 19, 2020, 2 p.m. 4.3 ppb (4) 0.3 ppb (0) N/A 4.0 ppb (4) N/A N/A 19.0 ppb (15) N/A N/A 4.0 μg/m3 (17) 17.0
 
Jan. 19, 2020, 1 p.m. 2.9 ppb (3) 0.2 ppb (0) N/A 3.0 ppb (3) N/A N/A 24.0 ppb (18) N/A N/A 3.0 μg/m3 (12) 18.0
 
Jan. 19, 2020, noon 2.8 ppb (3) 0.1 ppb (0) N/A 3.0 ppb (3) N/A N/A 25.0 ppb (19) N/A N/A 5.0 μg/m3 (21) 21.0
 
Jan. 19, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (29) 29.0
 
Jan. 19, 2020, 10 a.m. 3.4 ppb (3) 0.4 ppb (0) N/A 3.0 ppb (3) N/A N/A 26.0 ppb (20) N/A N/A 5.0 μg/m3 (21) 21.0
 
Jan. 19, 2020, 9 a.m. 5.7 ppb (5) 0.6 ppb (1) N/A 5.0 ppb (5) N/A N/A 22.0 ppb (17) N/A N/A 5.0 μg/m3 (21) 21.0
 
Jan. 19, 2020, 8 a.m. 5.5 ppb (5) 0.4 ppb (0) N/A 5.0 ppb (5) N/A N/A 22.0 ppb (17) N/A N/A 4.0 μg/m3 (17) 17.0
 
Jan. 19, 2020, 7 a.m. 5.4 ppb (5) 0.4 ppb (0) N/A 5.0 ppb (5) N/A N/A 23.0 ppb (18) N/A N/A 3.0 μg/m3 (12) 18.0
 
Jan. 19, 2020, 6 a.m. 6.0 ppb (6) 0.6 ppb (1) N/A 6.0 ppb (6) N/A N/A 23.0 ppb (18) N/A N/A 5.0 μg/m3 (21) 21.0
 
Jan. 19, 2020, 5 a.m. 5.9 ppb (5) 0.5 ppb (0) N/A 5.0 ppb (5) N/A N/A 22.0 ppb (17) N/A N/A 6.0 μg/m3 (25) 25.0
 
Jan. 19, 2020, 4 a.m. 6.9 ppb (6) 0.4 ppb (0) N/A 7.0 ppb (6) N/A N/A 21.0 ppb (16) N/A N/A 5.0 μg/m3 (21) 21.0
 
Jan. 19, 2020, 3 a.m. 7.1 ppb (7) 0.8 ppb (1) N/A 6.0 ppb (6) N/A N/A 21.0 ppb (16) N/A N/A 6.0 μg/m3 (25) 25.0
 
Jan. 19, 2020, 2 a.m. 8.1 ppb (8) 0.7 ppb (1) N/A 7.0 ppb (6) N/A N/A 21.0 ppb (16) N/A N/A 8.0 μg/m3 (33) 33.0
 
Jan. 19, 2020, 1 a.m. 6.9 ppb (6) 0.8 ppb (1) N/A 6.0 ppb (6) N/A N/A 20.0 ppb (15) N/A N/A 7.0 μg/m3 (29) 29.0
 
Jan. 19, 2020, midnight 5.1 ppb (5) 0.9 ppb (1) N/A 4.0 ppb (4) N/A N/A 23.0 ppb (18) N/A N/A 5.0 μg/m3 (21) 21.0
 
Jan. 18, 2020, 11 p.m. 4.1 ppb (4) 1.1 ppb (1) N/A 3.0 ppb (3) N/A N/A 26.0 ppb (20) N/A N/A 7.0 μg/m3 (29) 29.0
 
Jan. 18, 2020, 10 p.m. 3.8 ppb (4) 1.1 ppb (1) N/A 3.0 ppb (3) N/A N/A 27.0 ppb (21) N/A N/A 4.0 μg/m3 (17) 21.0
 
Jan. 18, 2020, 9 p.m. 4.1 ppb (4) 1.4 ppb (1) N/A 3.0 ppb (3) N/A N/A 27.0 ppb (21) N/A N/A 4.0 μg/m3 (17) 21.0
 
Jan. 18, 2020, 8 p.m. 4.2 ppb (4) 1.4 ppb (1) N/A 3.0 ppb (3) N/A N/A 26.0 ppb (20) N/A N/A 2.0 μg/m3 (8) 20.0
 
Jan. 18, 2020, 7 p.m. 4.2 ppb (4) 1.5 ppb (1) N/A 3.0 ppb (3) N/A N/A 24.0 ppb (18) N/A N/A 0.0 μg/m3 (0) 18.0
 
Jan. 18, 2020, 6 p.m. 10.3 ppb (10) 4.3 ppb (4) N/A 6.0 ppb (6) N/A N/A 19.0 ppb (15) N/A N/A 4.0 μg/m3 (17) 17.0
 
Jan. 18, 2020, 5 p.m. 39.6 ppb (37) 25.2 ppb (23) N/A 14.0 ppb (13) N/A N/A 4.0 ppb (3) N/A N/A 6.0 μg/m3 (25) 37.0
 
Jan. 18, 2020, 4 p.m. 53.8 ppb (50) 38.9 ppb (36) N/A 15.0 ppb (14) N/A N/A 1.0 ppb (1) N/A N/A 7.0 μg/m3 (29) 50.0
 
Jan. 18, 2020, 3 p.m. 53.9 ppb (50) 38.5 ppb (36) N/A 15.0 ppb (14) N/A N/A 0.0 ppb (0) N/A N/A 8.0 μg/m3 (33) 50.0
 
Jan. 18, 2020, 2 p.m. 39.3 ppb (36) 24.5 ppb (23) N/A 15.0 ppb (14) N/A N/A 0.0 ppb (0) N/A N/A 6.0 μg/m3 (25) 36.0
 
Jan. 18, 2020, 1 p.m. 28.6 ppb (26) 12.7 ppb (12) N/A 16.0 ppb (15) N/A N/A 0.0 ppb (0) N/A N/A 9.0 μg/m3 (38) 38.0
 
Jan. 18, 2020, noon 27.4 ppb (25) 10.5 ppb (10) N/A 17.0 ppb (16) N/A N/A 0.0 ppb (0) N/A N/A 8.0 μg/m3 (33) 33.0
 
Jan. 18, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (33) 33.0
 
Jan. 18, 2020, 10 a.m. 19.2 ppb (18) 3.0 ppb (3) N/A 16.0 ppb (15) N/A N/A 2.0 ppb (2) N/A N/A 7.0 μg/m3 (29) 29.0
 
Jan. 18, 2020, 9 a.m. 8.8 ppb (8) 0.3 ppb (0) N/A 9.0 ppb (8) N/A N/A 15.0 ppb (12) N/A N/A 7.0 μg/m3 (29) 29.0
 
Jan. 18, 2020, 8 a.m. 23.8 ppb (22) 6.5 ppb (6) N/A 17.0 ppb (16) N/A N/A 7.0 ppb (5) N/A N/A 9.0 μg/m3 (38) 38.0
 
Jan. 18, 2020, 7 a.m. 36.0 ppb (33) 12.6 ppb (12) N/A 23.0 ppb (21) N/A N/A 1.0 ppb (1) N/A N/A 16.0 μg/m3 (59) 59.0
 
Jan. 18, 2020, 6 a.m. 21.9 ppb (20) 1.5 ppb (1) N/A 21.0 ppb (19) N/A N/A 6.0 ppb (5) N/A N/A 7.0 μg/m3 (29) 29.0
 
Jan. 18, 2020, 5 a.m. 12.3 ppb (11) 0.6 ppb (1) N/A 12.0 ppb (11) N/A N/A 17.0 ppb (13) N/A N/A 7.0 μg/m3 (29) 29.0
 
Jan. 18, 2020, 4 a.m. 14.0 ppb (13) 1.0 ppb (1) N/A 13.0 ppb (12) N/A N/A 20.0 ppb (15) N/A N/A 12.0 μg/m3 (50) 50.0
 
Jan. 18, 2020, 3 a.m. 12.7 ppb (12) 1.9 ppb (2) N/A 11.0 ppb (10) N/A N/A 20.0 ppb (15) N/A N/A 10.0 μg/m3 (42) 42.0
 
Jan. 18, 2020, 2 a.m. 10.1 ppb (9) 1.4 ppb (1) N/A 9.0 ppb (8) N/A N/A 20.0 ppb (15) N/A N/A 8.0 μg/m3 (33) 33.0
 
Jan. 18, 2020, 1 a.m. 7.8 ppb (7) 0.9 ppb (1) N/A 7.0 ppb (6) N/A N/A 21.0 ppb (16) N/A N/A 6.0 μg/m3 (25) 25.0
 
Jan. 18, 2020, midnight 8.8 ppb (8) 1.7 ppb (2) N/A 7.0 ppb (6) N/A N/A 20.0 ppb (15) N/A N/A 6.0 μg/m3 (25) 25.0
 
Jan. 17, 2020, 11 p.m. 7.7 ppb (7) 2.0 ppb (2) N/A 6.0 ppb (6) N/A N/A 24.0 ppb (18) N/A N/A 4.0 μg/m3 (17) 18.0
 
Jan. 17, 2020, 10 p.m. 3.7 ppb (3) 1.1 ppb (1) N/A 3.0 ppb (3) N/A N/A 34.0 ppb (26) N/A N/A 1.0 μg/m3 (4) 26.0
 
Jan. 17, 2020, 9 p.m. 2.4 ppb (2) 0.7 ppb (1) N/A 2.0 ppb (2) N/A N/A 39.0 ppb (30) N/A N/A 0.0 μg/m3 (0) 30.0
 
Jan. 17, 2020, 8 p.m. 4.1 ppb (4) 1.2 ppb (1) N/A 3.0 ppb (3) N/A N/A 36.0 ppb (28) N/A N/A 2.0 μg/m3 (8) 28.0
 
Jan. 17, 2020, 7 p.m. 15.7 ppb (15) 5.8 ppb (5) N/A 10.0 ppb (9) N/A N/A 26.0 ppb (20) N/A N/A 3.0 μg/m3 (12) 20.0
 
Jan. 17, 2020, 6 p.m. 38.9 ppb (36) 19.9 ppb (18) N/A 19.0 ppb (18) N/A N/A 11.0 ppb (8) N/A N/A 5.0 μg/m3 (21) 36.0
 
Jan. 17, 2020, 5 p.m. 62.5 ppb (59) 37.9 ppb (35) N/A 25.0 ppb (23) N/A N/A 4.0 ppb (3) N/A N/A 6.0 μg/m3 (25) 59.0
 
Jan. 17, 2020, 4 p.m. 103.1 ppb (100) 76.0 ppb (73) N/A 27.0 ppb (25) N/A N/A 1.0 ppb (1) N/A N/A 3.0 μg/m3 (12) 100.0
 
Jan. 17, 2020, 3 p.m. 90.1 ppb (88) 64.7 ppb (61) N/A 25.0 ppb (23) N/A N/A 0.0 ppb (0) N/A N/A 4.0 μg/m3 (17) 88.0
 
Jan. 17, 2020, 2 p.m. 66.2 ppb (63) 42.1 ppb (39) N/A 24.0 ppb (22) N/A N/A 0.0 ppb (0) N/A N/A 4.0 μg/m3 (17) 63.0
 
Jan. 17, 2020, 1 p.m. 52.6 ppb (49) 29.2 ppb (27) N/A 23.0 ppb (21) N/A N/A 0.0 ppb (0) N/A N/A 5.0 μg/m3 (21) 49.0
 
Jan. 17, 2020, noon 37.4 ppb (35) 13.8 ppb (13) N/A 24.0 ppb (22) N/A N/A 0.0 ppb (0) N/A N/A 3.0 μg/m3 (12) 35.0
 
Jan. 17, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
Jan. 17, 2020, 10 a.m. 22.6 ppb (21) 1.8 ppb (2) N/A 21.0 ppb (19) N/A N/A 4.0 ppb (3) N/A N/A 6.0 μg/m3 (25) 25.0
 
Jan. 17, 2020, 9 a.m. 24.5 ppb (23) 2.1 ppb (2) N/A 22.0 ppb (20) N/A N/A 4.0 ppb (3) N/A N/A 8.0 μg/m3 (33) 33.0
 
Jan. 17, 2020, 8 a.m. 18.3 ppb (17) 0.9 ppb (1) N/A 17.0 ppb (16) N/A N/A 11.0 ppb (8) N/A N/A 9.0 μg/m3 (38) 38.0
 
Jan. 17, 2020, 7 a.m. 5.1 ppb (5) 0.2 ppb (0) N/A 5.0 ppb (5) N/A N/A 29.0 ppb (22) N/A N/A 2.0 μg/m3 (8) 22.0
 
Jan. 17, 2020, 6 a.m. 1.8 ppb (2) 0.1 ppb (0) N/A 2.0 ppb (2) N/A N/A 35.0 ppb (27) N/A N/A 3.0 μg/m3 (12) 27.0
 
Jan. 17, 2020, 5 a.m. 4.7 ppb (4) 0.2 ppb (0) N/A 5.0 ppb (5) N/A N/A 31.0 ppb (24) N/A N/A 4.0 μg/m3 (17) 24.0
 
Jan. 17, 2020, 4 a.m. 8.7 ppb (8) 0.2 ppb (0) N/A 9.0 ppb (8) N/A N/A 28.0 ppb (22) N/A N/A 4.0 μg/m3 (17) 22.0
 
Jan. 17, 2020, 3 a.m. 9.8 ppb (9) 0.4 ppb (0) N/A 9.0 ppb (8) N/A N/A 30.0 ppb (23) N/A N/A 4.0 μg/m3 (17) 23.0
 
Jan. 17, 2020, 2 a.m. 4.6 ppb (4) 0.2 ppb (0) N/A 4.0 ppb (4) N/A N/A 33.0 ppb (25) N/A N/A 5.0 μg/m3 (21) 25.0
 
Jan. 17, 2020, 1 a.m. 4.5 ppb (4) 0.3 ppb (0) N/A 4.0 ppb (4) N/A N/A 34.0 ppb (26) N/A N/A 0.0 μg/m3 (0) 26.0
 
Jan. 17, 2020, midnight 1.9 ppb (2) 0.3 ppb (0) N/A 2.0 ppb (2) N/A N/A 37.0 ppb (28) N/A N/A 1.0 μg/m3 (4) 28.0
 
Jan. 16, 2020, 11 p.m. 1.9 ppb (2) 0.4 ppb (0) N/A 2.0 ppb (2) N/A N/A 38.0 ppb (29) N/A N/A 2.0 μg/m3 (8) 29.0
 
Jan. 16, 2020, 10 p.m. 1.1 ppb (1) 0.4 ppb (0) N/A 1.0 ppb (1) N/A N/A 40.0 ppb (31) N/A N/A 3.0 μg/m3 (12) 31.0
 
Jan. 16, 2020, 9 p.m. 3.0 ppb (3) 0.4 ppb (0) N/A 3.0 ppb (3) N/A N/A 36.0 ppb (28) N/A N/A 3.0 μg/m3 (12) 28.0
 
Jan. 16, 2020, 8 p.m. 3.4 ppb (3) 0.4 ppb (0) N/A 3.0 ppb (3) N/A N/A 37.0 ppb (28) N/A N/A 1.0 μg/m3 (4) 28.0
 
Jan. 16, 2020, 7 p.m. 2.9 ppb (3) 0.2 ppb (0) N/A 3.0 ppb (3) N/A N/A 36.0 ppb (28) N/A N/A -1.0 μg/m3 (0) 28.0
 
Jan. 16, 2020, 6 p.m. 4.0 ppb (4) 0.3 ppb (0) N/A 4.0 ppb (4) N/A N/A 34.0 ppb (26) N/A N/A 0.0 μg/m3 (0) 26.0
 
Jan. 16, 2020, 5 p.m. 0.2 ppb (0) 0.2 ppb (0) N/A 0.0 ppb (0) N/A N/A 37.0 ppb (28) N/A N/A 0.0 μg/m3 (0) 28.0
 
Jan. 16, 2020, 4 p.m. 0.8 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A 38.0 ppb (29) N/A N/A 1.0 μg/m3 (4) 29.0
 
Jan. 16, 2020, 3 p.m. 0.7 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 39.0 ppb (30) N/A N/A 1.0 μg/m3 (4) 30.0
 
Jan. 16, 2020, 2 p.m. 0.8 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 39.0 ppb (30) N/A N/A 2.0 μg/m3 (8) 30.0
 
Jan. 16, 2020, 1 p.m. 0.9 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 39.0 ppb (30) N/A N/A 4.0 μg/m3 (17) 30.0
 
Jan. 16, 2020, noon 0.6 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 39.0 ppb (30) N/A N/A 2.0 μg/m3 (8) 30.0
 
Jan. 16, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 1.0 μg/m3 (4) 4.0
 
Jan. 16, 2020, 10 a.m. 11.2 ppb (10) 0.8 ppb (1) N/A 10.0 ppb (9) N/A N/A 17.0 ppb (13) N/A N/A 4.0 μg/m3 (17) 17.0
 
Jan. 16, 2020, 9 a.m. 12.5 ppb (12) 0.6 ppb (1) N/A 12.0 ppb (11) N/A N/A 14.0 ppb (11) N/A N/A 4.0 μg/m3 (17) 17.0
 
Jan. 16, 2020, 8 a.m. 6.3 ppb (6) 0.2 ppb (0) N/A 6.0 ppb (6) N/A N/A 28.0 ppb (22) N/A N/A 1.0 μg/m3 (4) 22.0
 
Jan. 16, 2020, 7 a.m. 7.3 ppb (7) 0.3 ppb (0) N/A 7.0 ppb (6) N/A N/A 23.0 ppb (18) N/A N/A 5.0 μg/m3 (21) 21.0
 
Jan. 16, 2020, 6 a.m. 26.6 ppb (25) 6.1 ppb (6) N/A 21.0 ppb (19) N/A N/A 2.0 ppb (2) N/A N/A 11.0 μg/m3 (46) 46.0
 
Jan. 16, 2020, 5 a.m. 29.0 ppb (27) 7.6 ppb (7) N/A 22.0 ppb (20) N/A N/A 3.0 ppb (2) N/A N/A 13.0 μg/m3 (52) 52.0
 
Jan. 16, 2020, 4 a.m. 26.2 ppb (24) 5.3 ppb (5) N/A 21.0 ppb (19) N/A N/A 4.0 ppb (3) N/A N/A 10.0 μg/m3 (42) 42.0
 
Jan. 16, 2020, 3 a.m. 37.9 ppb (35) 10.8 ppb (10) N/A 27.0 ppb (25) N/A N/A 2.0 ppb (2) N/A N/A 10.0 μg/m3 (42) 42.0
 
Jan. 16, 2020, 2 a.m. 26.5 ppb (25) 4.0 ppb (4) N/A 23.0 ppb (21) N/A N/A 10.0 ppb (8) N/A N/A 11.0 μg/m3 (46) 46.0
 
Jan. 16, 2020, 1 a.m. 14.3 ppb (13) 0.6 ppb (1) N/A 14.0 ppb (13) N/A N/A 18.0 ppb (14) N/A N/A 9.0 μg/m3 (38) 38.0
 
Jan. 16, 2020, midnight 7.5 ppb (7) 0.5 ppb (0) N/A 7.0 ppb (6) N/A N/A 26.0 ppb (20) N/A N/A 6.0 μg/m3 (25) 25.0
 
Jan. 15, 2020, 11 p.m. 6.0 ppb (6) 1.0 ppb (1) N/A 5.0 ppb (5) N/A N/A 28.0 ppb (22) N/A N/A 6.0 μg/m3 (25) 25.0
 
Jan. 15, 2020, 10 p.m. 7.7 ppb (7) 1.8 ppb (2) N/A 6.0 ppb (6) N/A N/A 28.0 ppb (22) N/A N/A 6.0 μg/m3 (25) 25.0
 
Jan. 15, 2020, 9 p.m. 11.8 ppb (11) 3.1 ppb (3) N/A 9.0 ppb (8) N/A N/A 26.0 ppb (20) N/A N/A 3.0 μg/m3 (12) 20.0
 
Jan. 15, 2020, 8 p.m. 14.1 ppb (13) 4.3 ppb (4) N/A 10.0 ppb (9) N/A N/A 25.0 ppb (19) N/A N/A 3.0 μg/m3 (12) 19.0
 
Jan. 15, 2020, 7 p.m. 19.7 ppb (18) 6.8 ppb (6) N/A 13.0 ppb (12) N/A N/A 18.0 ppb (14) N/A N/A 3.0 μg/m3 (12) 18.0
 
Jan. 15, 2020, 6 p.m. 27.8 ppb (26) 12.8 ppb (12) N/A 15.0 ppb (14) N/A N/A 12.0 ppb (9) N/A N/A 3.0 μg/m3 (12) 26.0
 
Jan. 15, 2020, 5 p.m. 49.0 ppb (45) 28.8 ppb (27) N/A 20.0 ppb (19) N/A N/A 5.0 ppb (4) N/A N/A 5.0 μg/m3 (21) 45.0
 
Jan. 15, 2020, 4 p.m. 88.3 ppb (86) 64.0 ppb (61) N/A 24.0 ppb (22) N/A N/A 1.0 ppb (1) N/A N/A 8.0 μg/m3 (33) 86.0
 
Jan. 15, 2020, 3 p.m. 103.6 ppb (100) 81.4 ppb (79) N/A 22.0 ppb (20) N/A N/A 0.0 ppb (0) N/A N/A 6.0 μg/m3 (25) 100.0
 
Jan. 15, 2020, 2 p.m. 79.6 ppb (77) 59.1 ppb (55) N/A 21.0 ppb (19) N/A N/A 0.0 ppb (0) N/A N/A 3.0 μg/m3 (12) 77.0
 
Jan. 15, 2020, 1 p.m. 51.3 ppb (48) 31.1 ppb (29) N/A 20.0 ppb (19) N/A N/A 0.0 ppb (0) N/A N/A 2.0 μg/m3 (8) 48.0
 
Jan. 15, 2020, noon 50.1 ppb (46) 29.2 ppb (27) N/A 21.0 ppb (19) N/A N/A 0.0 ppb (0) N/A N/A 3.0 μg/m3 (12) 46.0
 
Jan. 15, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (8) 8.0
 
Jan. 15, 2020, 10 a.m. 21.7 ppb (20) 3.5 ppb (3) N/A 18.0 ppb (17) N/A N/A 2.0 ppb (2) N/A N/A 1.0 μg/m3 (4) 20.0
 
Jan. 15, 2020, 9 a.m. 23.3 ppb (22) 4.1 ppb (4) N/A 19.0 ppb (18) N/A N/A 1.0 ppb (1) N/A N/A 3.0 μg/m3 (12) 22.0
 
Jan. 15, 2020, 8 a.m. 20.9 ppb (19) 2.6 ppb (2) N/A 18.0 ppb (17) N/A N/A 3.0 ppb (2) N/A N/A 6.0 μg/m3 (25) 25.0
 
Jan. 15, 2020, 7 a.m. 32.0 ppb (30) 9.4 ppb (9) N/A 23.0 ppb (21) N/A N/A 0.0 ppb (0) N/A N/A 9.0 μg/m3 (38) 38.0
 
Jan. 15, 2020, 6 a.m. 25.4 ppb (24) 4.9 ppb (5) N/A 21.0 ppb (19) N/A N/A 5.0 ppb (4) N/A N/A 13.0 μg/m3 (52) 52.0
 
Jan. 15, 2020, 5 a.m. 14.9 ppb (14) 0.9 ppb (1) N/A 14.0 ppb (13) N/A N/A 14.0 ppb (11) N/A N/A 5.0 μg/m3 (21) 21.0
 
Jan. 15, 2020, 4 a.m. 7.0 ppb (6) 0.2 ppb (0) N/A 7.0 ppb (6) N/A N/A 23.0 ppb (18) N/A N/A 3.0 μg/m3 (12) 18.0
 
Jan. 15, 2020, 3 a.m. 8.0 ppb (7) 0.4 ppb (0) N/A 8.0 ppb (7) N/A N/A 24.0 ppb (18) N/A N/A 3.0 μg/m3 (12) 18.0
 
Jan. 15, 2020, 2 a.m. 6.7 ppb (6) 0.2 ppb (0) N/A 7.0 ppb (6) N/A N/A 27.0 ppb (21) N/A N/A 3.0 μg/m3 (12) 21.0
 
Jan. 15, 2020, 1 a.m. 4.9 ppb (5) 0.3 ppb (0) N/A 5.0 ppb (5) N/A N/A 32.0 ppb (25) N/A N/A 5.0 μg/m3 (21) 25.0
 
Jan. 15, 2020, midnight 3.3 ppb (3) 0.3 ppb (0) N/A 3.0 ppb (3) N/A N/A 35.0 ppb (27) N/A N/A 4.0 μg/m3 (17) 27.0
 
Jan. 14, 2020, 11 p.m. 2.6 ppb (2) 0.5 ppb (0) N/A 2.0 ppb (2) N/A N/A 37.0 ppb (28) N/A N/A 4.0 μg/m3 (17) 28.0
 
Jan. 14, 2020, 10 p.m. 4.2 ppb (4) 0.8 ppb (1) N/A 3.0 ppb (3) N/A N/A 36.0 ppb (28) N/A N/A 5.0 μg/m3 (21) 28.0
 
Jan. 14, 2020, 9 p.m. 3.8 ppb (4) 0.8 ppb (1) N/A 3.0 ppb (3) N/A N/A 36.0 ppb (28) N/A N/A 4.0 μg/m3 (17) 28.0
 
Jan. 14, 2020, 8 p.m. 3.1 ppb (3) 0.9 ppb (1) N/A 2.0 ppb (2) N/A N/A 37.0 ppb (28) N/A N/A 4.0 μg/m3 (17) 28.0
 
Jan. 14, 2020, 7 p.m. 3.3 ppb (3) 0.9 ppb (1) N/A 2.0 ppb (2) N/A N/A 37.0 ppb (28) N/A N/A 6.0 μg/m3 (25) 28.0
 
Jan. 14, 2020, 6 p.m. 4.9 ppb (5) 1.3 ppb (1) N/A 4.0 ppb (4) N/A N/A 35.0 ppb (27) N/A N/A 8.0 μg/m3 (33) 33.0
 
Jan. 14, 2020, 5 p.m. 5.5 ppb (5) 1.4 ppb (1) N/A 4.0 ppb (4) N/A N/A 33.0 ppb (25) N/A N/A 4.0 μg/m3 (17) 25.0
 
Jan. 14, 2020, 4 p.m. 8.7 ppb (8) 1.1 ppb (1) N/A 8.0 ppb (7) N/A N/A 27.0 ppb (21) N/A N/A 4.0 μg/m3 (17) 21.0
 
Jan. 14, 2020, 3 p.m. 13.2 ppb (12) 0.6 ppb (1) N/A 13.0 ppb (12) N/A N/A 21.0 ppb (16) N/A N/A 5.0 μg/m3 (21) 21.0
 
Jan. 14, 2020, 2 p.m. 7.6 ppb (7) 0.3 ppb (0) N/A 7.0 ppb (6) N/A N/A 28.0 ppb (22) N/A N/A 7.0 μg/m3 (29) 29.0
 
Jan. 14, 2020, 1 p.m. 4.5 ppb (4) 0.2 ppb (0) N/A 4.0 ppb (4) N/A N/A 34.0 ppb (26) N/A N/A 4.0 μg/m3 (17) 26.0
 
Jan. 14, 2020, noon 2.9 ppb (3) 0.2 ppb (0) N/A 3.0 ppb (3) N/A N/A 33.0 ppb (25) N/A N/A 3.0 μg/m3 (12) 25.0
 
Jan. 14, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
Jan. 14, 2020, 10 a.m. 1.2 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 31.0 ppb (24) N/A N/A 2.0 μg/m3 (8) 24.0
 
Jan. 14, 2020, 9 a.m. 0.7 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 32.0 ppb (25) N/A N/A 2.0 μg/m3 (8) 25.0
 
Jan. 14, 2020, 8 a.m. 2.0 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 31.0 ppb (24) N/A N/A 2.0 μg/m3 (8) 24.0
 
Jan. 14, 2020, 7 a.m. 8.7 ppb (8) 0.3 ppb (0) N/A 8.0 ppb (7) N/A N/A 21.0 ppb (16) N/A N/A 3.0 μg/m3 (12) 16.0
 
Jan. 14, 2020, 6 a.m. 7.2 ppb (7) 0.3 ppb (0) N/A 7.0 ppb (6) N/A N/A 25.0 ppb (19) N/A N/A 1.0 μg/m3 (4) 19.0