AQSQID: 060773005

Site Name: Tracyap

Location: Tracy (Carbona), CA

Reporting: True, Located: True

Current AQI: 61.0

Tracy (Carbona) CA, US: 37.6825, -121.4406

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Jan. 26, 2020, midnight 5.1 ppb (5) 0.1 ppb (0) N/A 5.0 ppb (5) N/A N/A 19.0 ppb (15) N/A 18.0 μg/m3 (16) 17.0 μg/m3 (61) 61.0
 
Jan. 25, 2020, 11 p.m. 5.6 ppb (5) 0.5 ppb (0) N/A 5.0 ppb (5) N/A N/A 20.0 ppb (15) N/A 18.0 μg/m3 (16) 14.0 μg/m3 (54) 54.0
 
Jan. 25, 2020, 10 p.m. 5.6 ppb (5) 0.8 ppb (1) N/A 5.0 ppb (5) N/A N/A 20.0 ppb (15) N/A 20.0 μg/m3 (18) 17.0 μg/m3 (61) 61.0
 
Jan. 25, 2020, 9 p.m. 5.6 ppb (5) 0.8 ppb (1) N/A 5.0 ppb (5) N/A N/A 22.0 ppb (17) N/A 17.0 μg/m3 (15) 17.0 μg/m3 (61) 61.0
 
Jan. 25, 2020, 8 p.m. 6.4 ppb (6) 1.3 ppb (1) N/A 5.0 ppb (5) N/A N/A 20.0 ppb (15) N/A 18.0 μg/m3 (16) 13.0 μg/m3 (52) 52.0
 
Jan. 25, 2020, 7 p.m. 6.8 ppb (6) 1.8 ppb (2) N/A 5.0 ppb (5) N/A N/A 18.0 ppb (14) N/A 15.0 μg/m3 (14) 10.0 μg/m3 (42) 42.0
 
Jan. 25, 2020, 6 p.m. 9.1 ppb (8) 3.3 ppb (3) N/A 6.0 ppb (6) N/A N/A 12.0 ppb (9) N/A 19.0 μg/m3 (17) 17.0 μg/m3 (61) 61.0
 
Jan. 25, 2020, 5 p.m. 7.1 ppb (7) 1.6 ppb (1) N/A 6.0 ppb (6) N/A N/A 10.0 ppb (8) N/A 18.0 μg/m3 (16) 14.0 μg/m3 (54) 54.0
 
Jan. 25, 2020, 4 p.m. 10.3 ppb (10) 3.5 ppb (3) N/A 7.0 ppb (6) N/A N/A 5.0 ppb (4) N/A 12.0 μg/m3 (11) 10.0 μg/m3 (42) 42.0
 
Jan. 25, 2020, 3 p.m. 10.3 ppb (10) 1.0 ppb (1) N/A 9.0 ppb (8) N/A N/A 5.0 ppb (4) N/A 11.0 μg/m3 (10) 12.0 μg/m3 (50) 50.0
 
Jan. 25, 2020, 2 p.m. 5.6 ppb (5) -0.1 ppb (0) N/A 6.0 ppb (6) N/A N/A 11.0 ppb (8) N/A 2.0 μg/m3 (2) 9.0 μg/m3 (38) 38.0
 
Jan. 25, 2020, 1 p.m. 6.4 ppb (6) 0.1 ppb (0) N/A 6.0 ppb (6) N/A N/A 10.0 ppb (8) N/A 10.0 μg/m3 (9) 11.0 μg/m3 (46) 46.0
 
Jan. 25, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (12) 12.0 μg/m3 (50) 50.0
 
Jan. 25, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) 13.0 μg/m3 (52) 52.0
 
Jan. 25, 2020, 10 a.m. 4.5 ppb (4) -0.2 ppb (0) N/A 5.0 ppb (5) N/A N/A 13.0 ppb (10) N/A 10.0 μg/m3 (9) 15.0 μg/m3 (56) 56.0
 
Jan. 25, 2020, 9 a.m. 6.2 ppb (6) -0.1 ppb (0) N/A 6.0 ppb (6) N/A N/A 12.0 ppb (9) N/A 14.0 μg/m3 (13) 15.0 μg/m3 (56) 56.0
 
Jan. 25, 2020, 8 a.m. 7.3 ppb (7) -0.1 ppb (0) N/A 7.0 ppb (6) N/A N/A 9.0 ppb (7) N/A 12.0 μg/m3 (11) 12.0 μg/m3 (50) 50.0
 
Jan. 25, 2020, 7 a.m. 6.7 ppb (6) -0.1 ppb (0) N/A 7.0 ppb (6) N/A N/A 10.0 ppb (8) N/A 11.0 μg/m3 (10) 8.0 μg/m3 (33) 33.0
 
Jan. 25, 2020, 6 a.m. 8.3 ppb (8) -0.1 ppb (0) N/A 8.0 ppb (7) N/A N/A 9.0 ppb (7) N/A 15.0 μg/m3 (14) 5.0 μg/m3 (21) 21.0
 
Jan. 25, 2020, 5 a.m. 8.2 ppb (8) -0.1 ppb (0) N/A 8.0 ppb (7) N/A N/A 11.0 ppb (8) N/A 15.0 μg/m3 (14) 6.0 μg/m3 (25) 25.0
 
Jan. 25, 2020, 4 a.m. 11.1 ppb (10) -0.1 ppb (0) N/A 11.0 ppb (10) N/A N/A 15.0 ppb (12) N/A 13.0 μg/m3 (12) 7.0 μg/m3 (29) 29.0
 
Jan. 25, 2020, 3 a.m. 10.8 ppb (10) -0.2 ppb (0) N/A 11.0 ppb (10) N/A N/A 18.0 ppb (14) N/A 9.0 μg/m3 (8) 4.0 μg/m3 (17) 17.0
 
Jan. 25, 2020, 2 a.m. 8.8 ppb (8) -0.1 ppb (0) N/A 9.0 ppb (8) N/A N/A 20.0 ppb (15) N/A 10.0 μg/m3 (9) 6.0 μg/m3 (25) 25.0
 
Jan. 25, 2020, 1 a.m. 5.7 ppb (5) -0.2 ppb (0) N/A 6.0 ppb (6) N/A N/A 26.0 ppb (20) N/A 9.0 μg/m3 (8) 3.0 μg/m3 (12) 20.0
 
Jan. 25, 2020, midnight 5.2 ppb (5) 0.1 ppb (0) N/A 5.0 ppb (5) N/A N/A 29.0 ppb (22) N/A 6.0 μg/m3 (5) 3.0 μg/m3 (12) 22.0
 
Jan. 24, 2020, 11 p.m. 3.7 ppb (3) 0.2 ppb (0) N/A 4.0 ppb (4) N/A N/A 33.0 ppb (25) N/A 8.0 μg/m3 (7) 6.0 μg/m3 (25) 25.0
 
Jan. 24, 2020, 10 p.m. 4.0 ppb (4) 0.5 ppb (0) N/A 4.0 ppb (4) N/A N/A 33.0 ppb (25) N/A 15.0 μg/m3 (14) 7.0 μg/m3 (29) 29.0
 
Jan. 24, 2020, 9 p.m. 4.6 ppb (4) 0.7 ppb (1) N/A 4.0 ppb (4) N/A N/A 34.0 ppb (26) N/A 2.0 μg/m3 (2) 5.0 μg/m3 (21) 26.0
 
Jan. 24, 2020, 8 p.m. 9.5 ppb (9) 2.3 ppb (2) N/A 7.0 ppb (6) N/A N/A 28.0 ppb (22) N/A 8.0 μg/m3 (7) 8.0 μg/m3 (33) 33.0
 
Jan. 24, 2020, 7 p.m. 13.0 ppb (12) 3.9 ppb (4) N/A 9.0 ppb (8) N/A N/A 21.0 ppb (16) N/A 19.0 μg/m3 (17) 10.0 μg/m3 (42) 42.0
 
Jan. 24, 2020, 6 p.m. 12.0 ppb (11) 3.8 ppb (4) N/A 8.0 ppb (7) N/A N/A 18.0 ppb (14) N/A 23.0 μg/m3 (21) 10.0 μg/m3 (42) 42.0
 
Jan. 24, 2020, 5 p.m. 17.3 ppb (16) 6.1 ppb (6) N/A 11.0 ppb (10) N/A N/A 13.0 ppb (10) N/A 24.0 μg/m3 (22) 5.0 μg/m3 (21) 22.0
 
Jan. 24, 2020, 4 p.m. 21.7 ppb (20) 5.8 ppb (5) N/A 16.0 ppb (15) N/A N/A 9.0 ppb (7) N/A 19.0 μg/m3 (17) 8.0 μg/m3 (33) 33.0
 
Jan. 24, 2020, 3 p.m. 9.9 ppb (9) 0.4 ppb (0) N/A 10.0 ppb (9) N/A N/A 13.0 ppb (10) N/A 8.0 μg/m3 (7) 7.0 μg/m3 (29) 29.0
 
Jan. 24, 2020, 2 p.m. 4.4 ppb (4) -0.4 ppb (0) N/A 5.0 ppb (5) N/A N/A 18.0 ppb (14) N/A 0.0 μg/m3 (0) 5.0 μg/m3 (21) 21.0
 
Jan. 24, 2020, 1 p.m. 5.9 ppb (5) 0.0 ppb (0) N/A 6.0 ppb (6) N/A N/A 12.0 ppb (9) N/A 9.0 μg/m3 (8) 5.0 μg/m3 (21) 21.0
 
Jan. 24, 2020, noon 9.6 ppb (9) 0.3 ppb (0) N/A 9.0 ppb (8) N/A N/A 7.0 ppb (5) N/A 10.0 μg/m3 (9) 9.0 μg/m3 (38) 38.0
 
Jan. 24, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (6) 11.0 μg/m3 (46) 46.0
 
Jan. 24, 2020, 10 a.m. 5.8 ppb (5) 0.0 ppb (0) N/A 6.0 ppb (6) N/A N/A 10.0 ppb (8) N/A 8.0 μg/m3 (7) 10.0 μg/m3 (42) 42.0
 
Jan. 24, 2020, 9 a.m. 6.5 ppb (6) -0.1 ppb (0) N/A 7.0 ppb (6) N/A N/A 10.0 ppb (8) N/A 11.0 μg/m3 (10) 11.0 μg/m3 (46) 46.0
 
Jan. 24, 2020, 8 a.m. 6.5 ppb (6) -0.1 ppb (0) N/A 7.0 ppb (6) N/A N/A 11.0 ppb (8) N/A 10.0 μg/m3 (9) 12.0 μg/m3 (50) 50.0
 
Jan. 24, 2020, 7 a.m. 7.2 ppb (7) -0.1 ppb (0) N/A 7.0 ppb (6) N/A N/A 12.0 ppb (9) N/A 10.0 μg/m3 (9) 9.0 μg/m3 (38) 38.0
 
Jan. 24, 2020, 6 a.m. 7.1 ppb (7) -0.1 ppb (0) N/A 7.0 ppb (6) N/A N/A 12.0 ppb (9) N/A 16.0 μg/m3 (15) 15.0 μg/m3 (56) 56.0
 
Jan. 24, 2020, 5 a.m. 7.1 ppb (7) -0.3 ppb (0) N/A 7.0 ppb (6) N/A N/A 15.0 ppb (12) N/A 13.0 μg/m3 (12) 8.0 μg/m3 (33) 33.0
 
Jan. 24, 2020, 4 a.m. 8.9 ppb (8) 0.0 ppb (0) N/A 9.0 ppb (8) N/A N/A 13.0 ppb (10) N/A 14.0 μg/m3 (13) 9.0 μg/m3 (38) 38.0
 
Jan. 24, 2020, 3 a.m. 9.3 ppb (9) -0.2 ppb (0) N/A 10.0 ppb (9) N/A N/A 14.0 ppb (11) N/A 9.0 μg/m3 (8) 7.0 μg/m3 (29) 29.0
 
Jan. 24, 2020, 2 a.m. 8.8 ppb (8) -0.2 ppb (0) N/A 9.0 ppb (8) N/A N/A 17.0 ppb (13) N/A 7.0 μg/m3 (6) 10.0 μg/m3 (42) 42.0
 
Jan. 24, 2020, 1 a.m. 6.7 ppb (6) -0.3 ppb (0) N/A 7.0 ppb (6) N/A N/A 19.0 ppb (15) N/A 8.0 μg/m3 (7) 8.0 μg/m3 (33) 33.0
 
Jan. 24, 2020, midnight 6.4 ppb (6) -0.2 ppb (0) N/A 7.0 ppb (6) N/A N/A 21.0 ppb (16) N/A 14.0 μg/m3 (13) 10.0 μg/m3 (42) 42.0
 
Jan. 23, 2020, 11 p.m. 7.0 ppb (6) 0.5 ppb (0) N/A 7.0 ppb (6) N/A N/A 24.0 ppb (18) N/A 16.0 μg/m3 (15) 10.0 μg/m3 (42) 42.0
 
Jan. 23, 2020, 10 p.m. 6.7 ppb (6) 0.5 ppb (0) N/A 6.0 ppb (6) N/A N/A 26.0 ppb (20) N/A 19.0 μg/m3 (17) 11.0 μg/m3 (46) 46.0
 
Jan. 23, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) 13.0 μg/m3 (52) 52.0
 
Jan. 23, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (14) 11.0 μg/m3 (46) 46.0
 
Jan. 23, 2020, 7 p.m. 11.1 ppb (10) 2.6 ppb (2) N/A 9.0 ppb (8) N/A N/A 20.0 ppb (15) N/A 24.0 μg/m3 (22) N/A 22.0
 
Jan. 23, 2020, 6 p.m. 11.9 ppb (11) 2.7 ppb (3) N/A 9.0 ppb (8) N/A N/A 16.0 ppb (12) N/A 18.0 μg/m3 (16) 14.0 μg/m3 (54) 54.0
 
Jan. 23, 2020, 5 p.m. 9.8 ppb (9) 1.4 ppb (1) N/A 8.0 ppb (7) N/A N/A 16.0 ppb (12) N/A 15.0 μg/m3 (14) 11.0 μg/m3 (46) 46.0
 
Jan. 23, 2020, 4 p.m. 18.3 ppb (17) 4.0 ppb (4) N/A 14.0 ppb (13) N/A N/A 9.0 ppb (7) N/A 18.0 μg/m3 (16) 8.0 μg/m3 (33) 33.0
 
Jan. 23, 2020, 3 p.m. 14.6 ppb (14) 0.6 ppb (1) N/A 14.0 ppb (13) N/A N/A 9.0 ppb (7) N/A 13.0 μg/m3 (12) 6.0 μg/m3 (25) 25.0
 
Jan. 23, 2020, 2 p.m. 16.7 ppb (15) 0.1 ppb (0) N/A 17.0 ppb (16) N/A N/A 10.0 ppb (8) N/A 12.0 μg/m3 (11) 9.0 μg/m3 (38) 38.0
 
Jan. 23, 2020, 1 p.m. 11.6 ppb (11) 0.0 ppb (0) N/A 12.0 ppb (11) N/A N/A 11.0 ppb (8) N/A 13.0 μg/m3 (12) 4.0 μg/m3 (17) 17.0
 
Jan. 23, 2020, noon 6.7 ppb (6) -0.1 ppb (0) N/A 7.0 ppb (6) N/A N/A 17.0 ppb (13) N/A 10.0 μg/m3 (9) 5.0 μg/m3 (21) 21.0
 
Jan. 23, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (3) 5.0 μg/m3 (21) 21.0
 
Jan. 23, 2020, 10 a.m. 2.5 ppb (2) -0.3 ppb (0) N/A 3.0 ppb (3) N/A N/A 17.0 ppb (13) N/A 4.0 μg/m3 (4) 8.0 μg/m3 (33) 33.0
 
Jan. 23, 2020, 9 a.m. 3.3 ppb (3) -0.2 ppb (0) N/A 4.0 ppb (4) N/A N/A 17.0 ppb (13) N/A 5.0 μg/m3 (5) 8.0 μg/m3 (33) 33.0
 
Jan. 23, 2020, 8 a.m. 3.4 ppb (3) -0.2 ppb (0) N/A 4.0 ppb (4) N/A N/A 19.0 ppb (15) N/A 3.0 μg/m3 (3) 8.0 μg/m3 (33) 33.0
 
Jan. 23, 2020, 7 a.m. 2.4 ppb (2) -0.2 ppb (0) N/A 3.0 ppb (3) N/A N/A 22.0 ppb (17) N/A 6.0 μg/m3 (5) 8.0 μg/m3 (33) 33.0
 
Jan. 23, 2020, 6 a.m. 2.2 ppb (2) -0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 22.0 ppb (17) N/A 7.0 μg/m3 (6) 7.0 μg/m3 (29) 29.0
 
Jan. 23, 2020, 5 a.m. 3.3 ppb (3) -0.2 ppb (0) N/A 4.0 ppb (4) N/A N/A 21.0 ppb (16) N/A 8.0 μg/m3 (7) 9.0 μg/m3 (38) 38.0
 
Jan. 23, 2020, 4 a.m. 5.3 ppb (5) -0.2 ppb (0) N/A 6.0 ppb (6) N/A N/A 20.0 ppb (15) N/A 10.0 μg/m3 (9) 12.0 μg/m3 (50) 50.0
 
Jan. 23, 2020, 3 a.m. 8.0 ppb (7) -0.1 ppb (0) N/A 8.0 ppb (7) N/A N/A 20.0 ppb (15) N/A 10.0 μg/m3 (9) 9.0 μg/m3 (38) 38.0
 
Jan. 23, 2020, 2 a.m. 13.3 ppb (12) -0.1 ppb (0) N/A 13.0 ppb (12) N/A N/A 16.0 ppb (12) N/A 10.0 μg/m3 (9) 7.0 μg/m3 (29) 29.0
 
Jan. 23, 2020, 1 a.m. 3.6 ppb (3) -0.1 ppb (0) N/A 4.0 ppb (4) N/A N/A 29.0 ppb (22) N/A 11.0 μg/m3 (10) 8.0 μg/m3 (33) 33.0
 
Jan. 23, 2020, midnight 2.2 ppb (2) -0.1 ppb (0) N/A 2.0 ppb (2) N/A N/A 33.0 ppb (25) N/A 7.0 μg/m3 (6) 7.0 μg/m3 (29) 29.0
 
Jan. 22, 2020, 11 p.m. 2.4 ppb (2) -0.1 ppb (0) N/A 2.0 ppb (2) N/A N/A 33.0 ppb (25) N/A 9.0 μg/m3 (8) 6.0 μg/m3 (25) 25.0
 
Jan. 22, 2020, 10 p.m. 3.5 ppb (3) 0.4 ppb (0) N/A 3.0 ppb (3) N/A N/A 33.0 ppb (25) N/A 10.0 μg/m3 (9) 6.0 μg/m3 (25) 25.0
 
Jan. 22, 2020, 9 p.m. 3.9 ppb (4) 0.5 ppb (0) N/A 3.0 ppb (3) N/A N/A 32.0 ppb (25) N/A 5.0 μg/m3 (5) 11.0 μg/m3 (46) 46.0
 
Jan. 22, 2020, 8 p.m. 4.0 ppb (4) 0.6 ppb (1) N/A 4.0 ppb (4) N/A N/A 31.0 ppb (24) N/A 6.0 μg/m3 (5) 12.0 μg/m3 (50) 50.0
 
Jan. 22, 2020, 7 p.m. 4.2 ppb (4) 0.6 ppb (1) N/A 4.0 ppb (4) N/A N/A 28.0 ppb (22) N/A 6.0 μg/m3 (5) 8.0 μg/m3 (33) 33.0
 
Jan. 22, 2020, 6 p.m. 13.0 ppb (12) 3.5 ppb (3) N/A 10.0 ppb (9) N/A N/A 22.0 ppb (17) N/A 6.0 μg/m3 (5) 6.0 μg/m3 (25) 25.0
 
Jan. 22, 2020, 5 p.m. 16.2 ppb (15) 4.6 ppb (4) N/A 12.0 ppb (11) N/A N/A 16.0 ppb (12) N/A 1.0 μg/m3 (1) 9.0 μg/m3 (38) 38.0
 
Jan. 22, 2020, 4 p.m. 16.7 ppb (15) 4.7 ppb (4) N/A 12.0 ppb (11) N/A N/A 9.0 ppb (7) N/A 21.0 μg/m3 (19) 15.0 μg/m3 (56) 56.0
 
Jan. 22, 2020, 3 p.m. 16.8 ppb (16) 1.7 ppb (2) N/A 15.0 ppb (14) N/A N/A 1.0 ppb (1) N/A 13.0 μg/m3 (12) 11.0 μg/m3 (46) 46.0
 
Jan. 22, 2020, 2 p.m. 16.4 ppb (15) 0.9 ppb (1) N/A 16.0 ppb (15) N/A N/A 1.0 ppb (1) N/A 12.0 μg/m3 (11) 13.0 μg/m3 (52) 52.0
 
Jan. 22, 2020, 1 p.m. 12.4 ppb (11) 0.4 ppb (0) N/A 12.0 ppb (11) N/A N/A 4.0 ppb (3) N/A 13.0 μg/m3 (12) 13.0 μg/m3 (52) 52.0
 
Jan. 22, 2020, noon 11.9 ppb (11) 0.2 ppb (0) N/A 12.0 ppb (11) N/A N/A 5.0 ppb (4) N/A 14.0 μg/m3 (13) 11.0 μg/m3 (46) 46.0
 
Jan. 22, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (9) 10.0 μg/m3 (42) 42.0
 
Jan. 22, 2020, 10 a.m. 8.3 ppb (8) -0.1 ppb (0) N/A 8.0 ppb (7) N/A N/A 15.0 ppb (12) N/A 12.0 μg/m3 (11) 7.0 μg/m3 (29) 29.0
 
Jan. 22, 2020, 9 a.m. 8.0 ppb (7) -0.2 ppb (0) N/A 8.0 ppb (7) N/A N/A 15.0 ppb (12) N/A 9.0 μg/m3 (8) 7.0 μg/m3 (29) 29.0
 
Jan. 22, 2020, 8 a.m. 11.3 ppb (10) -0.1 ppb (0) N/A 11.0 ppb (10) N/A N/A 10.0 ppb (8) N/A 19.0 μg/m3 (17) 7.0 μg/m3 (29) 29.0
 
Jan. 22, 2020, 7 a.m. 14.0 ppb (13) 0.2 ppb (0) N/A 14.0 ppb (13) N/A N/A 10.0 ppb (8) N/A 17.0 μg/m3 (15) 13.0 μg/m3 (52) 52.0
 
Jan. 22, 2020, 6 a.m. 8.4 ppb (8) -0.1 ppb (0) N/A 9.0 ppb (8) N/A N/A 16.0 ppb (12) N/A 13.0 μg/m3 (12) 12.0 μg/m3 (50) 50.0
 
Jan. 22, 2020, 5 a.m. 16.9 ppb (16) 0.1 ppb (0) N/A 17.0 ppb (16) N/A N/A 6.0 ppb (5) N/A 17.0 μg/m3 (15) 9.0 μg/m3 (38) 38.0
 
Jan. 22, 2020, 4 a.m. 13.5 ppb (12) -0.1 ppb (0) N/A 14.0 ppb (13) N/A N/A 12.0 ppb (9) N/A 13.0 μg/m3 (12) 11.0 μg/m3 (46) 46.0
 
Jan. 22, 2020, 3 a.m. 8.4 ppb (8) -0.2 ppb (0) N/A 9.0 ppb (8) N/A N/A 18.0 ppb (14) N/A 15.0 μg/m3 (14) 7.0 μg/m3 (29) 29.0
 
Jan. 22, 2020, 2 a.m. 4.2 ppb (4) -0.1 ppb (0) N/A 4.0 ppb (4) N/A N/A 25.0 ppb (19) N/A 10.0 μg/m3 (9) 5.0 μg/m3 (21) 21.0
 
Jan. 22, 2020, 1 a.m. 3.1 ppb (3) -0.2 ppb (0) N/A 3.0 ppb (3) N/A N/A 26.0 ppb (20) N/A 11.0 μg/m3 (10) 6.0 μg/m3 (25) 25.0
 
Jan. 22, 2020, midnight 3.7 ppb (3) 0.0 ppb (0) N/A 4.0 ppb (4) N/A N/A 28.0 ppb (22) N/A 12.0 μg/m3 (11) 6.0 μg/m3 (25) 25.0
 
Jan. 21, 2020, 11 p.m. 3.9 ppb (4) 0.2 ppb (0) N/A 4.0 ppb (4) N/A N/A 30.0 ppb (23) N/A 11.0 μg/m3 (10) 3.0 μg/m3 (12) 23.0
 
Jan. 21, 2020, 10 p.m. 3.9 ppb (4) 0.3 ppb (0) N/A 4.0 ppb (4) N/A N/A 31.0 ppb (24) N/A 7.0 μg/m3 (6) 5.0 μg/m3 (21) 24.0
 
Jan. 21, 2020, 9 p.m. 8.9 ppb (8) 2.4 ppb (2) N/A 6.0 ppb (6) N/A N/A 22.0 ppb (17) N/A 14.0 μg/m3 (13) 9.0 μg/m3 (38) 38.0
 
Jan. 21, 2020, 8 p.m. 8.2 ppb (8) 2.4 ppb (2) N/A 6.0 ppb (6) N/A N/A 17.0 ppb (13) N/A 16.0 μg/m3 (15) 7.0 μg/m3 (29) 29.0
 
Jan. 21, 2020, 7 p.m. 9.8 ppb (9) 3.4 ppb (3) N/A 7.0 ppb (6) N/A N/A 13.0 ppb (10) N/A 14.0 μg/m3 (13) 9.0 μg/m3 (38) 38.0
 
Jan. 21, 2020, 6 p.m. 16.3 ppb (15) 7.5 ppb (7) N/A 9.0 ppb (8) N/A N/A 9.0 ppb (7) N/A 27.0 μg/m3 (25) 13.0 μg/m3 (52) 52.0
 
Jan. 21, 2020, 5 p.m. 20.0 ppb (19) 11.4 ppb (11) N/A 9.0 ppb (8) N/A N/A 5.0 ppb (4) N/A 23.0 μg/m3 (21) 12.0 μg/m3 (50) 50.0
 
Jan. 21, 2020, 4 p.m. 15.1 ppb (14) 6.8 ppb (6) N/A 8.0 ppb (7) N/A N/A 2.0 ppb (2) N/A 22.0 μg/m3 (20) 15.0 μg/m3 (56) 56.0
 
Jan. 21, 2020, 3 p.m. 19.8 ppb (18) 6.9 ppb (6) N/A 13.0 ppb (12) N/A N/A 6.0 ppb (5) N/A 18.0 μg/m3 (16) 13.0 μg/m3 (52) 52.0
 
Jan. 21, 2020, 2 p.m. 19.2 ppb (18) 4.3 ppb (4) N/A 15.0 ppb (14) N/A N/A 4.0 ppb (3) N/A 18.0 μg/m3 (16) 11.0 μg/m3 (46) 46.0
 
Jan. 21, 2020, 1 p.m. 14.2 ppb (13) 0.3 ppb (0) N/A 14.0 ppb (13) N/A N/A 4.0 ppb (3) N/A 13.0 μg/m3 (12) 14.0 μg/m3 (54) 54.0
 
Jan. 21, 2020, noon 13.1 ppb (12) 0.7 ppb (1) N/A 12.0 ppb (11) N/A N/A 4.0 ppb (3) N/A 14.0 μg/m3 (13) 9.0 μg/m3 (38) 38.0
 
Jan. 21, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (8) 10.0 μg/m3 (42) 42.0
 
Jan. 21, 2020, 10 a.m. 6.7 ppb (6) -0.1 ppb (0) N/A 7.0 ppb (6) N/A N/A 10.0 ppb (8) N/A 8.0 μg/m3 (7) 7.0 μg/m3 (29) 29.0
 
Jan. 21, 2020, 9 a.m. 5.1 ppb (5) -0.3 ppb (0) N/A 5.0 ppb (5) N/A N/A 12.0 ppb (9) N/A 8.0 μg/m3 (7) 7.0 μg/m3 (29) 29.0
 
Jan. 21, 2020, 8 a.m. 7.5 ppb (7) 0.0 ppb (0) N/A 8.0 ppb (7) N/A N/A 6.0 ppb (5) N/A 13.0 μg/m3 (12) 11.0 μg/m3 (46) 46.0
 
Jan. 21, 2020, 7 a.m. 7.0 ppb (6) 0.0 ppb (0) N/A 7.0 ppb (6) N/A N/A 9.0 ppb (7) N/A 11.0 μg/m3 (10) 10.0 μg/m3 (42) 42.0
 
Jan. 21, 2020, 6 a.m. 8.2 ppb (8) 0.3 ppb (0) N/A 8.0 ppb (7) N/A N/A 6.0 ppb (5) N/A 11.0 μg/m3 (10) 16.0 μg/m3 (59) 59.0
 
Jan. 21, 2020, 5 a.m. 5.9 ppb (5) -0.1 ppb (0) N/A 6.0 ppb (6) N/A N/A 4.0 ppb (3) N/A 13.0 μg/m3 (12) 13.0 μg/m3 (52) 52.0
 
Jan. 21, 2020, 4 a.m. 4.8 ppb (4) -0.1 ppb (0) N/A 5.0 ppb (5) N/A N/A 6.0 ppb (5) N/A 12.0 μg/m3 (11) 12.0 μg/m3 (50) 50.0
 
Jan. 21, 2020, 3 a.m. 6.9 ppb (6) 0.0 ppb (0) N/A 7.0 ppb (6) N/A N/A 5.0 ppb (4) N/A 11.0 μg/m3 (10) 20.0 μg/m3 (67) 67.0
 
Jan. 21, 2020, 2 a.m. 7.6 ppb (7) 0.1 ppb (0) N/A 8.0 ppb (7) N/A N/A 5.0 ppb (4) N/A 12.0 μg/m3 (11) 18.0 μg/m3 (63) 63.0
 
Jan. 21, 2020, 1 a.m. 9.3 ppb (9) 0.1 ppb (0) N/A 9.0 ppb (8) N/A N/A 6.0 ppb (5) N/A 21.0 μg/m3 (19) 17.0 μg/m3 (61) 61.0
 
Jan. 21, 2020, midnight 10.2 ppb (9) 0.8 ppb (1) N/A 10.0 ppb (9) N/A N/A 7.0 ppb (5) N/A 28.0 μg/m3 (25) 22.0 μg/m3 (71) 71.0
 
Jan. 20, 2020, 11 p.m. 9.8 ppb (9) 1.0 ppb (1) N/A 9.0 ppb (8) N/A N/A 9.0 ppb (7) N/A 22.0 μg/m3 (20) 17.0 μg/m3 (61) 61.0
 
Jan. 20, 2020, 10 p.m. 9.2 ppb (9) 1.4 ppb (1) N/A 8.0 ppb (7) N/A N/A 11.0 ppb (8) N/A 21.0 μg/m3 (19) 22.0 μg/m3 (71) 71.0
 
Jan. 20, 2020, 9 p.m. 12.4 ppb (11) 3.9 ppb (4) N/A 9.0 ppb (8) N/A N/A 10.0 ppb (8) N/A 27.0 μg/m3 (25) 20.0 μg/m3 (67) 67.0
 
Jan. 20, 2020, 8 p.m. 14.1 ppb (13) 5.2 ppb (5) N/A 9.0 ppb (8) N/A N/A 9.0 ppb (7) N/A 27.0 μg/m3 (25) 18.0 μg/m3 (63) 63.0
 
Jan. 20, 2020, 7 p.m. 13.3 ppb (12) 5.1 ppb (5) N/A 8.0 ppb (7) N/A N/A 9.0 ppb (7) N/A 28.0 μg/m3 (25) 17.0 μg/m3 (61) 61.0
 
Jan. 20, 2020, 6 p.m. 13.2 ppb (12) 5.5 ppb (5) N/A 8.0 ppb (7) N/A N/A 7.0 ppb (5) N/A 21.0 μg/m3 (19) 10.0 μg/m3 (42) 42.0
 
Jan. 20, 2020, 5 p.m. 10.6 ppb (10) 2.1 ppb (2) N/A 9.0 ppb (8) N/A N/A 7.0 ppb (5) N/A 16.0 μg/m3 (15) 17.0 μg/m3 (61) 61.0
 
Jan. 20, 2020, 4 p.m. 8.9 ppb (8) 1.0 ppb (1) N/A 8.0 ppb (7) N/A N/A 8.0 ppb (6) N/A 18.0 μg/m3 (16) 20.0 μg/m3 (67) 67.0
 
Jan. 20, 2020, 3 p.m. 7.2 ppb (7) 0.0 ppb (0) N/A 7.0 ppb (6) N/A N/A 9.0 ppb (7) N/A 21.0 μg/m3 (19) 15.0 μg/m3 (56) 56.0
 
Jan. 20, 2020, 2 p.m. 5.5 ppb (5) 0.0 ppb (0) N/A 6.0 ppb (6) N/A N/A 11.0 ppb (8) N/A 17.0 μg/m3 (15) 16.0 μg/m3 (59) 59.0
 
Jan. 20, 2020, 1 p.m. 6.8 ppb (6) 0.1 ppb (0) N/A 7.0 ppb (6) N/A N/A 9.0 ppb (7) N/A 16.0 μg/m3 (15) 17.0 μg/m3 (61) 61.0
 
Jan. 20, 2020, noon 4.2 ppb (4) -0.1 ppb (0) N/A 4.0 ppb (4) N/A N/A 10.0 ppb (8) N/A 9.0 μg/m3 (8) 13.0 μg/m3 (52) 52.0
 
Jan. 20, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (7) 11.0 μg/m3 (46) 46.0
 
Jan. 20, 2020, 10 a.m. 3.8 ppb (4) -0.2 ppb (0) N/A 4.0 ppb (4) N/A N/A 11.0 ppb (8) N/A 6.0 μg/m3 (5) 13.0 μg/m3 (52) 52.0
 
Jan. 20, 2020, 9 a.m. 3.3 ppb (3) -0.1 ppb (0) N/A 3.0 ppb (3) N/A N/A 13.0 ppb (10) N/A 6.0 μg/m3 (5) 13.0 μg/m3 (52) 52.0
 
Jan. 20, 2020, 8 a.m. 2.9 ppb (3) -0.2 ppb (0) N/A 3.0 ppb (3) N/A N/A 14.0 ppb (11) N/A 8.0 μg/m3 (7) 8.0 μg/m3 (33) 33.0
 
Jan. 20, 2020, 7 a.m. 2.7 ppb (3) -0.2 ppb (0) N/A 3.0 ppb (3) N/A N/A 15.0 ppb (12) N/A 11.0 μg/m3 (10) 15.0 μg/m3 (56) 56.0
 
Jan. 20, 2020, 6 a.m. 3.1 ppb (3) -0.2 ppb (0) N/A 3.0 ppb (3) N/A N/A 15.0 ppb (12) N/A 10.0 μg/m3 (9) 20.0 μg/m3 (67) 67.0
 
Jan. 20, 2020, 5 a.m. 3.3 ppb (3) -0.3 ppb (0) N/A 4.0 ppb (4) N/A N/A 16.0 ppb (12) N/A 9.0 μg/m3 (8) 8.0 μg/m3 (33) 33.0
 
Jan. 20, 2020, 4 a.m. 2.7 ppb (3) -0.3 ppb (0) N/A 3.0 ppb (3) N/A N/A 15.0 ppb (12) N/A 9.0 μg/m3 (8) 12.0 μg/m3 (50) 50.0
 
Jan. 20, 2020, 3 a.m. 2.9 ppb (3) -0.2 ppb (0) N/A 3.0 ppb (3) N/A N/A 16.0 ppb (12) N/A 9.0 μg/m3 (8) 9.0 μg/m3 (38) 38.0
 
Jan. 20, 2020, 2 a.m. 2.7 ppb (3) -0.2 ppb (0) N/A 3.0 ppb (3) N/A N/A 16.0 ppb (12) N/A 7.0 μg/m3 (6) 11.0 μg/m3 (46) 46.0
 
Jan. 20, 2020, 1 a.m. 2.4 ppb (2) -0.2 ppb (0) N/A 3.0 ppb (3) N/A N/A 17.0 ppb (13) N/A 8.0 μg/m3 (7) 11.0 μg/m3 (46) 46.0
 
Jan. 20, 2020, midnight 2.7 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A N/A 18.0 ppb (14) N/A 8.0 μg/m3 (7) 13.0 μg/m3 (52) 52.0
 
Jan. 19, 2020, 11 p.m. 2.6 ppb (2) -0.1 ppb (0) N/A 3.0 ppb (3) N/A N/A 19.0 ppb (15) N/A 8.0 μg/m3 (7) 17.0 μg/m3 (61) 61.0
 
Jan. 19, 2020, 10 p.m. 2.9 ppb (3) 0.1 ppb (0) N/A 3.0 ppb (3) N/A N/A 18.0 ppb (14) N/A 8.0 μg/m3 (7) 14.0 μg/m3 (54) 54.0
 
Jan. 19, 2020, 9 p.m. 3.4 ppb (3) 0.3 ppb (0) N/A 3.0 ppb (3) N/A N/A 17.0 ppb (13) N/A 6.0 μg/m3 (5) 9.0 μg/m3 (38) 38.0
 
Jan. 19, 2020, 8 p.m. 3.2 ppb (3) 0.2 ppb (0) N/A 3.0 ppb (3) N/A N/A 16.0 ppb (12) N/A 8.0 μg/m3 (7) 10.0 μg/m3 (42) 42.0
 
Jan. 19, 2020, 7 p.m. 3.0 ppb (3) 0.1 ppb (0) N/A 3.0 ppb (3) N/A N/A 15.0 ppb (12) N/A 9.0 μg/m3 (8) 9.0 μg/m3 (38) 38.0
 
Jan. 19, 2020, 6 p.m. 2.7 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A N/A 15.0 ppb (12) N/A 9.0 μg/m3 (8) 9.0 μg/m3 (38) 38.0
 
Jan. 19, 2020, 5 p.m. 2.7 ppb (3) -0.1 ppb (0) N/A 3.0 ppb (3) N/A N/A 16.0 ppb (12) N/A 10.0 μg/m3 (9) 7.0 μg/m3 (29) 29.0
 
Jan. 19, 2020, 4 p.m. 2.6 ppb (2) -0.1 ppb (0) N/A 3.0 ppb (3) N/A N/A 17.0 ppb (13) N/A 10.0 μg/m3 (9) 11.0 μg/m3 (46) 46.0
 
Jan. 19, 2020, 3 p.m. 2.7 ppb (3) -0.3 ppb (0) N/A 3.0 ppb (3) N/A N/A 17.0 ppb (13) N/A 10.0 μg/m3 (9) 11.0 μg/m3 (46) 46.0
 
Jan. 19, 2020, 2 p.m. 3.3 ppb (3) -0.2 ppb (0) N/A 4.0 ppb (4) N/A N/A 15.0 ppb (12) N/A 11.0 μg/m3 (10) 5.0 μg/m3 (21) 21.0
 
Jan. 19, 2020, 1 p.m. 4.3 ppb (4) -0.1 ppb (0) N/A 4.0 ppb (4) N/A N/A 12.0 ppb (9) N/A 4.0 μg/m3 (4) 6.0 μg/m3 (25) 25.0
 
Jan. 19, 2020, noon 4.3 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A N/A 11.0 ppb (8) N/A 4.0 μg/m3 (4) 4.0 μg/m3 (17) 17.0
 
Jan. 19, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (3) 7.0 μg/m3 (29) 29.0
 
Jan. 19, 2020, 10 a.m. 3.7 ppb (3) -0.3 ppb (0) N/A 4.0 ppb (4) N/A N/A 12.0 ppb (9) N/A 5.0 μg/m3 (5) 7.0 μg/m3 (29) 29.0
 
Jan. 19, 2020, 9 a.m. 4.4 ppb (4) -0.3 ppb (0) N/A 5.0 ppb (5) N/A N/A 11.0 ppb (8) N/A 8.0 μg/m3 (7) 8.0 μg/m3 (33) 33.0
 
Jan. 19, 2020, 8 a.m. 5.0 ppb (5) -0.2 ppb (0) N/A 5.0 ppb (5) N/A N/A 8.0 ppb (6) N/A 11.0 μg/m3 (10) 10.0 μg/m3 (42) 42.0
 
Jan. 19, 2020, 7 a.m. 1.9 ppb (2) -0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 18.0 ppb (14) N/A 6.0 μg/m3 (5) 4.0 μg/m3 (17) 17.0
 
Jan. 19, 2020, 6 a.m. 1.4 ppb (1) -0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 22.0 ppb (17) N/A 4.0 μg/m3 (4) 3.0 μg/m3 (12) 17.0
 
Jan. 19, 2020, 5 a.m. 1.7 ppb (2) -0.1 ppb (0) N/A 2.0 ppb (2) N/A N/A 20.0 ppb (15) N/A 5.0 μg/m3 (5) 7.0 μg/m3 (29) 29.0
 
Jan. 19, 2020, 4 a.m. 2.1 ppb (2) -0.1 ppb (0) N/A 2.0 ppb (2) N/A N/A 22.0 ppb (17) N/A 8.0 μg/m3 (7) 11.0 μg/m3 (46) 46.0
 
Jan. 19, 2020, 3 a.m. 2.4 ppb (2) -0.3 ppb (0) N/A 3.0 ppb (3) N/A N/A 23.0 ppb (18) N/A 8.0 μg/m3 (7) 5.0 μg/m3 (21) 21.0
 
Jan. 19, 2020, 2 a.m. 2.9 ppb (3) -0.2 ppb (0) N/A 3.0 ppb (3) N/A N/A 22.0 ppb (17) N/A 9.0 μg/m3 (8) 9.0 μg/m3 (38) 38.0
 
Jan. 19, 2020, 1 a.m. 5.0 ppb (5) -0.2 ppb (0) N/A 5.0 ppb (5) N/A N/A 20.0 ppb (15) N/A 6.0 μg/m3 (5) 11.0 μg/m3 (46) 46.0