AQSQID: 061072002

Site Name: Visalia - N. Church Street

Location: Visalia, CA

Reporting: True, Located: True

Current AQI: 42.0

Visalia CA, US: 36.3322, -119.2903

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Jan. 22, 2019, 7 a.m. 13.2 ppb (12) 2.0 ppb (2) N/A 11.0 ppb (10) N/A N/A 14.0 ppb (11) N/A 21.0 μg/m3 (19) 10.0 μg/m3 (42) 42.0
 
Jan. 22, 2019, 6 a.m. 18.5 ppb (17) 2.1 ppb (2) N/A 16.0 ppb (15) N/A N/A 15.0 ppb (12) N/A 16.0 μg/m3 (15) 11.0 μg/m3 (46) 46.0
 
Jan. 22, 2019, 5 a.m. 18.2 ppb (17) 1.7 ppb (2) N/A 17.0 ppb (16) N/A N/A 16.0 ppb (12) N/A 20.0 μg/m3 (18) 9.0 μg/m3 (38) 38.0
 
Jan. 22, 2019, 4 a.m. 24.0 ppb (22) 2.6 ppb (2) N/A 21.0 ppb (19) N/A N/A 10.0 ppb (8) N/A 25.0 μg/m3 (23) 16.0 μg/m3 (59) 59.0
 
Jan. 22, 2019, 3 a.m. 20.6 ppb (19) 1.9 ppb (2) N/A 19.0 ppb (18) N/A N/A 12.0 ppb (9) N/A 18.0 μg/m3 (16) 8.0 μg/m3 (33) 33.0
 
Jan. 22, 2019, 2 a.m. 11.7 ppb (11) 0.9 ppb (1) N/A 11.0 ppb (10) N/A N/A 21.0 ppb (16) N/A 16.0 μg/m3 (15) 6.0 μg/m3 (25) 25.0
 
Jan. 22, 2019, 1 a.m. 5.4 ppb (5) 0.0 ppb (0) N/A 5.0 ppb (5) N/A N/A 30.0 ppb (23) N/A 9.0 μg/m3 (8) 5.0 μg/m3 (21) 23.0
 
Jan. 22, 2019, midnight 5.1 ppb (5) 0.4 ppb (0) N/A 5.0 ppb (5) N/A N/A 35.0 ppb (27) N/A 11.0 μg/m3 (10) 6.0 μg/m3 (25) 27.0
 
Jan. 21, 2019, 11 p.m. 5.8 ppb (5) 0.9 ppb (1) N/A 5.0 ppb (5) N/A N/A 36.0 ppb (28) N/A 12.0 μg/m3 (11) 4.0 μg/m3 (17) 28.0
 
Jan. 21, 2019, 10 p.m. 6.3 ppb (6) 0.8 ppb (1) N/A 6.0 ppb (6) N/A N/A 35.0 ppb (27) N/A 6.0 μg/m3 (5) 0.0 μg/m3 (0) 27.0
 
Jan. 21, 2019, 9 p.m. 6.2 ppb (6) 1.4 ppb (1) N/A 5.0 ppb (5) N/A N/A 35.0 ppb (27) N/A 7.0 μg/m3 (6) 3.0 μg/m3 (12) 27.0
 
Jan. 21, 2019, 8 p.m. 6.3 ppb (6) 1.1 ppb (1) N/A 5.0 ppb (5) N/A N/A 33.0 ppb (25) N/A 6.0 μg/m3 (5) 3.0 μg/m3 (12) 25.0
 
Jan. 21, 2019, 7 p.m. 4.8 ppb (4) 1.0 ppb (1) N/A 4.0 ppb (4) N/A N/A 36.0 ppb (28) N/A 11.0 μg/m3 (10) 1.0 μg/m3 (4) 28.0
 
Jan. 21, 2019, 6 p.m. 6.1 ppb (6) 1.5 ppb (1) N/A 5.0 ppb (5) N/A N/A 37.0 ppb (28) N/A 9.0 μg/m3 (8) 3.0 μg/m3 (12) 28.0
 
Jan. 21, 2019, 5 p.m. 9.8 ppb (9) 2.3 ppb (2) N/A 8.0 ppb (7) N/A N/A 31.0 ppb (24) N/A 7.0 μg/m3 (6) 3.0 μg/m3 (12) 24.0
 
Jan. 21, 2019, 4 p.m. 17.8 ppb (16) 3.9 ppb (4) N/A 14.0 ppb (13) N/A N/A 19.0 ppb (15) N/A 11.0 μg/m3 (10) 1.0 μg/m3 (4) 16.0
 
Jan. 21, 2019, 3 p.m. 26.7 ppb (25) 5.0 ppb (5) N/A 22.0 ppb (20) N/A N/A 12.0 ppb (9) N/A 10.0 μg/m3 (9) -1.0 μg/m3 (0) 25.0
 
Jan. 21, 2019, 2 p.m. 19.5 ppb (18) 2.2 ppb (2) N/A 17.0 ppb (16) N/A N/A 15.0 ppb (12) N/A 5.0 μg/m3 (5) 2.0 μg/m3 (8) 18.0
 
Jan. 21, 2019, 1 p.m. 9.3 ppb (9) 1.2 ppb (1) N/A 8.0 ppb (7) N/A N/A 25.0 ppb (19) N/A 5.0 μg/m3 (5) 3.0 μg/m3 (12) 19.0
 
Jan. 21, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (5) 0.0 μg/m3 (0) 5.0
 
Jan. 21, 2019, 11 a.m. 7.0 ppb (6) 1.5 ppb (1) N/A 6.0 ppb (6) N/A N/A 27.0 ppb (21) N/A 3.0 μg/m3 (3) 0.0 μg/m3 (0) 21.0
 
Jan. 21, 2019, 10 a.m. 7.3 ppb (7) 2.0 ppb (2) N/A 5.0 ppb (5) N/A N/A 27.0 ppb (21) N/A 2.0 μg/m3 (2) 1.0 μg/m3 (4) 21.0
 
Jan. 21, 2019, 9 a.m. 3.8 ppb (4) 0.6 ppb (1) N/A 3.0 ppb (3) N/A N/A 30.0 ppb (23) N/A 3.0 μg/m3 (3) 0.0 μg/m3 (0) 23.0
 
Jan. 21, 2019, 8 a.m. 2.4 ppb (2) 0.5 ppb (0) N/A 2.0 ppb (2) N/A N/A 33.0 ppb (25) N/A 7.0 μg/m3 (6) 2.0 μg/m3 (8) 25.0
 
Jan. 21, 2019, 7 a.m. 1.6 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 37.0 ppb (28) N/A 8.0 μg/m3 (7) 4.0 μg/m3 (17) 28.0
 
Jan. 21, 2019, 6 a.m. 2.2 ppb (2) 0.1 ppb (0) N/A 2.0 ppb (2) N/A N/A 30.0 ppb (23) N/A 13.0 μg/m3 (12) 5.0 μg/m3 (21) 23.0
 
Jan. 21, 2019, 5 a.m. 3.7 ppb (3) 0.4 ppb (0) N/A 3.0 ppb (3) N/A N/A 22.0 ppb (17) N/A 8.0 μg/m3 (7) 4.0 μg/m3 (17) 17.0
 
Jan. 21, 2019, 4 a.m. 4.7 ppb (4) 0.4 ppb (0) N/A 4.0 ppb (4) N/A N/A 18.0 ppb (14) N/A 7.0 μg/m3 (6) 6.0 μg/m3 (25) 25.0
 
Jan. 21, 2019, 3 a.m. 6.3 ppb (6) 1.1 ppb (1) N/A 5.0 ppb (5) N/A N/A 17.0 ppb (13) N/A 24.0 μg/m3 (22) 15.0 μg/m3 (56) 56.0
 
Jan. 21, 2019, 2 a.m. 11.9 ppb (11) 1.8 ppb (2) N/A 10.0 ppb (9) N/A N/A 18.0 ppb (14) N/A 41.0 μg/m3 (37) 25.0 μg/m3 (78) 78.0
 
Jan. 21, 2019, 1 a.m. 10.7 ppb (10) 1.5 ppb (1) N/A 9.0 ppb (8) N/A N/A 21.0 ppb (16) N/A 27.0 μg/m3 (25) 17.0 μg/m3 (61) 61.0
 
Jan. 21, 2019, midnight 7.3 ppb (7) 1.4 ppb (1) N/A 6.0 ppb (6) N/A N/A 29.0 ppb (22) N/A 22.0 μg/m3 (20) 15.0 μg/m3 (56) 56.0
 
Jan. 20, 2019, 11 p.m. 7.1 ppb (7) 1.6 ppb (1) N/A 5.0 ppb (5) N/A N/A 31.0 ppb (24) N/A 23.0 μg/m3 (21) 13.0 μg/m3 (52) 52.0
 
Jan. 20, 2019, 10 p.m. 6.4 ppb (6) 1.6 ppb (1) N/A 5.0 ppb (5) N/A N/A 29.0 ppb (22) N/A 16.0 μg/m3 (15) 10.0 μg/m3 (42) 42.0
 
Jan. 20, 2019, 9 p.m. 7.2 ppb (7) 1.8 ppb (2) N/A 6.0 ppb (6) N/A N/A 24.0 ppb (18) N/A 24.0 μg/m3 (22) 15.0 μg/m3 (56) 56.0
 
Jan. 20, 2019, 8 p.m. 9.3 ppb (9) 2.7 ppb (3) N/A 7.0 ppb (6) N/A N/A 21.0 ppb (16) N/A 22.0 μg/m3 (20) 18.0 μg/m3 (63) 63.0
 
Jan. 20, 2019, 7 p.m. 9.9 ppb (9) 3.0 ppb (3) N/A 7.0 ppb (6) N/A N/A 18.0 ppb (14) N/A 27.0 μg/m3 (25) 19.0 μg/m3 (65) 65.0
 
Jan. 20, 2019, 6 p.m. 10.2 ppb (9) 3.3 ppb (3) N/A 7.0 ppb (6) N/A N/A 14.0 ppb (11) N/A 27.0 μg/m3 (25) 16.0 μg/m3 (59) 59.0
 
Jan. 20, 2019, 5 p.m. 13.0 ppb (12) 5.1 ppb (5) N/A 8.0 ppb (7) N/A N/A 9.0 ppb (7) N/A 17.0 μg/m3 (15) 9.0 μg/m3 (38) 38.0
 
Jan. 20, 2019, 4 p.m. 17.3 ppb (16) 8.3 ppb (8) N/A 9.0 ppb (8) N/A N/A 4.0 ppb (3) N/A 18.0 μg/m3 (16) 5.0 μg/m3 (21) 21.0
 
Jan. 20, 2019, 3 p.m. 10.9 ppb (10) 3.0 ppb (3) N/A 8.0 ppb (7) N/A N/A 4.0 ppb (3) N/A 12.0 μg/m3 (11) 3.0 μg/m3 (12) 12.0
 
Jan. 20, 2019, 2 p.m. 12.9 ppb (12) 4.7 ppb (4) N/A 8.0 ppb (7) N/A N/A 1.0 ppb (1) N/A 10.0 μg/m3 (9) 3.0 μg/m3 (12) 12.0
 
Jan. 20, 2019, 1 p.m. 13.4 ppb (12) 3.9 ppb (4) N/A 10.0 ppb (9) N/A N/A 2.0 ppb (2) N/A 12.0 μg/m3 (11) 3.0 μg/m3 (12) 12.0
 
Jan. 20, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (11) 5.0 μg/m3 (21) 21.0
 
Jan. 20, 2019, 11 a.m. 4.6 ppb (4) 0.8 ppb (1) N/A 4.0 ppb (4) N/A N/A 8.0 ppb (6) N/A 17.0 μg/m3 (15) 6.0 μg/m3 (25) 25.0
 
Jan. 20, 2019, 10 a.m. 5.1 ppb (5) 1.2 ppb (1) N/A 4.0 ppb (4) N/A N/A 6.0 ppb (5) N/A 12.0 μg/m3 (11) 3.0 μg/m3 (12) 12.0
 
Jan. 20, 2019, 9 a.m. 5.2 ppb (5) 1.3 ppb (1) N/A 4.0 ppb (4) N/A N/A 6.0 ppb (5) N/A 16.0 μg/m3 (15) 4.0 μg/m3 (17) 17.0
 
Jan. 20, 2019, 8 a.m. 13.1 ppb (12) 2.9 ppb (3) N/A 10.0 ppb (9) N/A N/A 3.0 ppb (2) N/A 27.0 μg/m3 (25) 19.0 μg/m3 (65) 65.0
 
Jan. 20, 2019, 7 a.m. 17.6 ppb (16) 3.3 ppb (3) N/A 14.0 ppb (13) N/A N/A 1.0 ppb (1) N/A 37.0 μg/m3 (34) 22.0 μg/m3 (71) 71.0
 
Jan. 20, 2019, 6 a.m. 23.0 ppb (21) 5.5 ppb (5) N/A 18.0 ppb (17) N/A N/A 1.0 ppb (1) N/A 39.0 μg/m3 (35) 26.0 μg/m3 (80) 80.0
 
Jan. 20, 2019, 5 a.m. 40.2 ppb (37) 18.5 ppb (17) N/A 22.0 ppb (20) N/A N/A 1.0 ppb (1) N/A 56.0 μg/m3 (50) 26.0 μg/m3 (80) 80.0
 
Jan. 20, 2019, 4 a.m. 39.4 ppb (36) 14.9 ppb (14) N/A 25.0 ppb (23) N/A N/A 1.0 ppb (1) N/A 50.0 μg/m3 (45) 27.0 μg/m3 (82) 82.0
 
Jan. 20, 2019, 3 a.m. 36.6 ppb (34) 9.3 ppb (9) N/A 27.0 ppb (25) N/A N/A 3.0 ppb (2) N/A 51.0 μg/m3 (46) 27.0 μg/m3 (82) 82.0
 
Jan. 20, 2019, 2 a.m. 24.2 ppb (22) 2.1 ppb (2) N/A 22.0 ppb (20) N/A N/A 12.0 ppb (9) N/A 40.0 μg/m3 (36) 21.0 μg/m3 (69) 69.0
 
Jan. 20, 2019, 1 a.m. 11.6 ppb (11) 0.4 ppb (0) N/A 11.0 ppb (10) N/A N/A 27.0 ppb (21) N/A 36.0 μg/m3 (33) 15.0 μg/m3 (56) 56.0
 
Jan. 20, 2019, midnight 8.4 ppb (8) 1.8 ppb (2) N/A 7.0 ppb (6) N/A N/A 35.0 ppb (27) N/A 26.0 μg/m3 (24) 13.0 μg/m3 (52) 52.0
 
Jan. 19, 2019, 11 p.m. 5.2 ppb (5) 1.4 ppb (1) N/A 4.0 ppb (4) N/A N/A 36.0 ppb (28) N/A 23.0 μg/m3 (21) 10.0 μg/m3 (42) 42.0
 
Jan. 19, 2019, 10 p.m. 6.3 ppb (6) 1.6 ppb (1) N/A 5.0 ppb (5) N/A N/A 34.0 ppb (26) N/A 21.0 μg/m3 (19) 10.0 μg/m3 (42) 42.0
 
Jan. 19, 2019, 9 p.m. 6.5 ppb (6) 1.7 ppb (2) N/A 5.0 ppb (5) N/A N/A 30.0 ppb (23) N/A 17.0 μg/m3 (15) 11.0 μg/m3 (46) 46.0
 
Jan. 19, 2019, 8 p.m. 12.9 ppb (12) 4.7 ppb (4) N/A 8.0 ppb (7) N/A N/A 23.0 ppb (18) N/A 23.0 μg/m3 (21) 14.0 μg/m3 (54) 54.0
 
Jan. 19, 2019, 7 p.m. 18.8 ppb (17) 7.4 ppb (7) N/A 11.0 ppb (10) N/A N/A 17.0 ppb (13) N/A 22.0 μg/m3 (20) 12.0 μg/m3 (50) 50.0
 
Jan. 19, 2019, 6 p.m. 17.0 ppb (16) 7.3 ppb (7) N/A 10.0 ppb (9) N/A N/A 13.0 ppb (10) N/A 18.0 μg/m3 (16) 14.0 μg/m3 (54) 54.0
 
Jan. 19, 2019, 5 p.m. 14.8 ppb (14) 6.0 ppb (6) N/A 9.0 ppb (8) N/A N/A 10.0 ppb (8) N/A 18.0 μg/m3 (16) 8.0 μg/m3 (33) 33.0
 
Jan. 19, 2019, 4 p.m. 29.7 ppb (28) 17.3 ppb (16) N/A 12.0 ppb (11) N/A N/A 3.0 ppb (2) N/A 19.0 μg/m3 (17) 7.0 μg/m3 (29) 29.0
 
Jan. 19, 2019, 3 p.m. 34.3 ppb (32) 23.9 ppb (22) N/A 10.0 ppb (9) N/A N/A 1.0 ppb (1) N/A 30.0 μg/m3 (27) 5.0 μg/m3 (21) 32.0
 
Jan. 19, 2019, 2 p.m. 22.7 ppb (21) 12.1 ppb (11) N/A 11.0 ppb (10) N/A N/A 0.0 ppb (0) N/A 14.0 μg/m3 (13) 9.0 μg/m3 (38) 38.0
 
Jan. 19, 2019, 1 p.m. 15.1 ppb (14) 3.8 ppb (4) N/A 11.0 ppb (10) N/A N/A 2.0 ppb (2) N/A 16.0 μg/m3 (15) 10.0 μg/m3 (42) 42.0
 
Jan. 19, 2019, noon 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. 19, 2019, 11 a.m. 18.5 ppb (17) 8.3 ppb (8) N/A 10.0 ppb (9) N/A N/A 0.0 ppb (0) N/A 21.0 μg/m3 (19) 14.0 μg/m3 (54) 54.0
 
Jan. 19, 2019, 10 a.m. 14.7 ppb (14) 3.2 ppb (3) N/A 12.0 ppb (11) N/A N/A 2.0 ppb (2) N/A 22.0 μg/m3 (20) 15.0 μg/m3 (56) 56.0
 
Jan. 19, 2019, 9 a.m. 13.4 ppb (12) 2.1 ppb (2) N/A 11.0 ppb (10) N/A N/A 2.0 ppb (2) N/A 25.0 μg/m3 (23) 16.0 μg/m3 (59) 59.0
 
Jan. 19, 2019, 8 a.m. 12.6 ppb (12) 1.5 ppb (1) N/A 11.0 ppb (10) N/A N/A 5.0 ppb (4) N/A 23.0 μg/m3 (21) 18.0 μg/m3 (63) 63.0
 
Jan. 19, 2019, 7 a.m. 16.5 ppb (15) 3.2 ppb (3) N/A 13.0 ppb (12) N/A N/A 5.0 ppb (4) N/A 33.0 μg/m3 (30) 17.0 μg/m3 (61) 61.0
 
Jan. 19, 2019, 6 a.m. 27.5 ppb (25) 11.4 ppb (11) N/A 16.0 ppb (15) N/A N/A 3.0 ppb (2) N/A 42.0 μg/m3 (38) 22.0 μg/m3 (71) 71.0
 
Jan. 19, 2019, 5 a.m. 26.4 ppb (24) 7.8 ppb (7) N/A 19.0 ppb (18) N/A N/A 3.0 ppb (2) N/A 38.0 μg/m3 (35) 21.0 μg/m3 (69) 69.0
 
Jan. 19, 2019, 4 a.m. 33.8 ppb (31) 12.1 ppb (11) N/A 22.0 ppb (20) N/A N/A 5.0 ppb (4) N/A 49.0 μg/m3 (45) 29.0 μg/m3 (86) 86.0
 
Jan. 19, 2019, 3 a.m. 28.9 ppb (27) 8.2 ppb (8) N/A 21.0 ppb (19) N/A N/A 6.0 ppb (5) N/A 37.0 μg/m3 (34) 18.0 μg/m3 (63) 63.0
 
Jan. 19, 2019, 2 a.m. 23.6 ppb (22) 2.9 ppb (3) N/A 21.0 ppb (19) N/A N/A 9.0 ppb (7) N/A 37.0 μg/m3 (34) 21.0 μg/m3 (69) 69.0
 
Jan. 19, 2019, 1 a.m. 15.6 ppb (14) 1.2 ppb (1) N/A 14.0 ppb (13) N/A N/A 17.0 ppb (13) N/A 34.0 μg/m3 (31) 16.0 μg/m3 (59) 59.0
 
Jan. 19, 2019, midnight 13.7 ppb (13) 1.5 ppb (1) N/A 12.0 ppb (11) N/A N/A 22.0 ppb (17) N/A 23.0 μg/m3 (21) 14.0 μg/m3 (54) 54.0
 
Jan. 18, 2019, 11 p.m. 10.9 ppb (10) 1.8 ppb (2) N/A 9.0 ppb (8) N/A N/A 25.0 ppb (19) N/A 24.0 μg/m3 (22) 10.0 μg/m3 (42) 42.0
 
Jan. 18, 2019, 10 p.m. 9.2 ppb (9) 2.2 ppb (2) N/A 7.0 ppb (6) N/A N/A 27.0 ppb (21) N/A 20.0 μg/m3 (18) 12.0 μg/m3 (50) 50.0
 
Jan. 18, 2019, 9 p.m. 9.8 ppb (9) 3.4 ppb (3) N/A 7.0 ppb (6) N/A N/A 23.0 ppb (18) N/A 15.0 μg/m3 (14) 13.0 μg/m3 (52) 52.0
 
Jan. 18, 2019, 8 p.m. 16.4 ppb (15) 8.1 ppb (8) N/A 8.0 ppb (7) N/A N/A 14.0 ppb (11) N/A 26.0 μg/m3 (24) 17.0 μg/m3 (61) 61.0
 
Jan. 18, 2019, 7 p.m. 17.9 ppb (17) 9.4 ppb (9) N/A 9.0 ppb (8) N/A N/A 8.0 ppb (6) N/A 20.0 μg/m3 (18) 15.0 μg/m3 (56) 56.0
 
Jan. 18, 2019, 6 p.m. 23.1 ppb (21) 13.4 ppb (12) N/A 10.0 ppb (9) N/A N/A 8.0 ppb (6) N/A 18.0 μg/m3 (16) 9.0 μg/m3 (38) 38.0
 
Jan. 18, 2019, 5 p.m. 19.5 ppb (18) 8.1 ppb (8) N/A 11.0 ppb (10) N/A N/A 13.0 ppb (10) N/A 16.0 μg/m3 (15) 6.0 μg/m3 (25) 25.0
 
Jan. 18, 2019, 4 p.m. 41.4 ppb (38) 25.6 ppb (24) N/A 16.0 ppb (15) N/A N/A 3.0 ppb (2) N/A 22.0 μg/m3 (20) 8.0 μg/m3 (33) 38.0
 
Jan. 18, 2019, 3 p.m. 49.7 ppb (46) 33.8 ppb (31) N/A 16.0 ppb (15) N/A N/A 1.0 ppb (1) N/A 18.0 μg/m3 (16) 9.0 μg/m3 (38) 46.0
 
Jan. 18, 2019, 2 p.m. 38.9 ppb (36) 25.6 ppb (24) N/A 13.0 ppb (12) N/A N/A 0.0 ppb (0) N/A 20.0 μg/m3 (18) 9.0 μg/m3 (38) 38.0
 
Jan. 18, 2019, 1 p.m. 28.3 ppb (26) 15.2 ppb (14) N/A 13.0 ppb (12) N/A N/A 1.0 ppb (1) N/A 17.0 μg/m3 (15) 9.0 μg/m3 (38) 38.0
 
Jan. 18, 2019, 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. 18, 2019, 11 a.m. 10.5 ppb (10) 0.8 ppb (1) N/A 10.0 ppb (9) N/A N/A 5.0 ppb (4) N/A 14.0 μg/m3 (13) 6.0 μg/m3 (25) 25.0
 
Jan. 18, 2019, 10 a.m. 10.7 ppb (10) 0.8 ppb (1) N/A 10.0 ppb (9) N/A N/A 6.0 ppb (5) N/A 12.0 μg/m3 (11) 4.0 μg/m3 (17) 17.0
 
Jan. 18, 2019, 9 a.m. 12.8 ppb (12) 2.6 ppb (2) N/A 10.0 ppb (9) N/A N/A 10.0 ppb (8) N/A 9.0 μg/m3 (8) 5.0 μg/m3 (21) 21.0
 
Jan. 18, 2019, 8 a.m. 3.7 ppb (3) 0.2 ppb (0) N/A 4.0 ppb (4) N/A N/A 20.0 ppb (15) N/A 8.0 μg/m3 (7) 4.0 μg/m3 (17) 17.0
 
Jan. 18, 2019, 7 a.m. 5.0 ppb (5) 0.5 ppb (0) N/A 5.0 ppb (5) N/A N/A 21.0 ppb (16) N/A 11.0 μg/m3 (10) 4.0 μg/m3 (17) 17.0
 
Jan. 18, 2019, 6 a.m. 9.4 ppb (9) 0.6 ppb (1) N/A 9.0 ppb (8) N/A N/A 14.0 ppb (11) N/A 12.0 μg/m3 (11) 5.0 μg/m3 (21) 21.0
 
Jan. 18, 2019, 5 a.m. 8.3 ppb (8) 0.5 ppb (0) N/A 8.0 ppb (7) N/A N/A 16.0 ppb (12) N/A 10.0 μg/m3 (9) 6.0 μg/m3 (25) 25.0
 
Jan. 18, 2019, 4 a.m. 10.1 ppb (9) 0.7 ppb (1) N/A 10.0 ppb (9) N/A N/A 15.0 ppb (12) N/A 14.0 μg/m3 (13) 7.0 μg/m3 (29) 29.0
 
Jan. 18, 2019, 3 a.m. 8.7 ppb (8) 0.9 ppb (1) N/A 8.0 ppb (7) N/A N/A 20.0 ppb (15) N/A 15.0 μg/m3 (14) 8.0 μg/m3 (33) 33.0
 
Jan. 18, 2019, 2 a.m. 13.0 ppb (12) 2.2 ppb (2) N/A 11.0 ppb (10) N/A N/A 21.0 ppb (16) N/A 14.0 μg/m3 (13) 7.0 μg/m3 (29) 29.0
 
Jan. 18, 2019, 1 a.m. 12.0 ppb (11) 1.8 ppb (2) N/A 10.0 ppb (9) N/A N/A 21.0 ppb (16) N/A 15.0 μg/m3 (14) 6.0 μg/m3 (25) 25.0
 
Jan. 18, 2019, midnight 14.1 ppb (13) 2.4 ppb (2) N/A 12.0 ppb (11) N/A N/A 20.0 ppb (15) N/A 17.0 μg/m3 (15) 9.0 μg/m3 (38) 38.0
 
Jan. 17, 2019, 11 p.m. 10.5 ppb (10) 1.2 ppb (1) N/A 9.0 ppb (8) N/A N/A 22.0 ppb (17) N/A 22.0 μg/m3 (20) 7.0 μg/m3 (29) 29.0
 
Jan. 17, 2019, 10 p.m. 7.7 ppb (7) 1.1 ppb (1) N/A 7.0 ppb (6) N/A N/A 25.0 ppb (19) N/A 30.0 μg/m3 (27) 8.0 μg/m3 (33) 33.0
 
Jan. 17, 2019, 9 p.m. 8.8 ppb (8) 1.7 ppb (2) N/A 7.0 ppb (6) N/A N/A 24.0 ppb (18) N/A 31.0 μg/m3 (28) 14.0 μg/m3 (54) 54.0
 
Jan. 17, 2019, 8 p.m. 9.2 ppb (9) 2.0 ppb (2) N/A 7.0 ppb (6) N/A N/A 26.0 ppb (20) N/A 28.0 μg/m3 (25) 8.0 μg/m3 (33) 33.0
 
Jan. 17, 2019, 7 p.m. 9.0 ppb (8) 2.2 ppb (2) N/A 7.0 ppb (6) N/A N/A 25.0 ppb (19) N/A N/A N/A 19.0
 
Jan. 17, 2019, 6 p.m. 7.0 ppb (6) 1.6 ppb (1) N/A 5.0 ppb (5) N/A N/A 24.0 ppb (18) N/A 14.0 μg/m3 (13) 5.0 μg/m3 (21) 21.0
 
Jan. 17, 2019, 5 p.m. 7.6 ppb (7) 1.9 ppb (2) N/A 6.0 ppb (6) N/A N/A 20.0 ppb (15) N/A 8.0 μg/m3 (7) 2.0 μg/m3 (8) 15.0
 
Jan. 17, 2019, 4 p.m. 6.9 ppb (6) 1.4 ppb (1) N/A 6.0 ppb (6) N/A N/A 19.0 ppb (15) N/A 6.0 μg/m3 (5) 2.0 μg/m3 (8) 15.0
 
Jan. 17, 2019, 3 p.m. 7.6 ppb (7) 1.0 ppb (1) N/A 7.0 ppb (6) N/A N/A 19.0 ppb (15) N/A 5.0 μg/m3 (5) 3.0 μg/m3 (12) 15.0
 
Jan. 17, 2019, 2 p.m. 4.9 ppb (5) 0.4 ppb (0) N/A 5.0 ppb (5) N/A N/A 23.0 ppb (18) N/A 1.0 μg/m3 (1) 3.0 μg/m3 (12) 18.0
 
Jan. 17, 2019, 1 p.m. 3.3 ppb (3) 0.2 ppb (0) N/A 3.0 ppb (3) N/A N/A 26.0 ppb (20) N/A 3.0 μg/m3 (3) 2.0 μg/m3 (8) 20.0
 
Jan. 17, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (3) 1.0 μg/m3 (4) 4.0
 
Jan. 17, 2019, 11 a.m. 1.7 ppb (2) 0.1 ppb (0) N/A 2.0 ppb (2) N/A N/A 27.0 ppb (21) N/A 5.0 μg/m3 (5) 4.0 μg/m3 (17) 21.0
 
Jan. 17, 2019, 10 a.m. 1.4 ppb (1) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 26.0 ppb (20) N/A 10.0 μg/m3 (9) 4.0 μg/m3 (17) 20.0
 
Jan. 17, 2019, 9 a.m. 3.0 ppb (3) 0.1 ppb (0) N/A 3.0 ppb (3) N/A N/A 23.0 ppb (18) N/A 11.0 μg/m3 (10) 0.0 μg/m3 (0) 18.0
 
Jan. 17, 2019, 8 a.m. 3.3 ppb (3) 0.3 ppb (0) N/A 3.0 ppb (3) N/A N/A 25.0 ppb (19) N/A 3.0 μg/m3 (3) 0.0 μg/m3 (0) 19.0
 
Jan. 17, 2019, 7 a.m. 3.9 ppb (4) 0.3 ppb (0) N/A 4.0 ppb (4) N/A N/A 23.0 ppb (18) N/A 5.0 μg/m3 (5) 4.0 μg/m3 (17) 18.0
 
Jan. 17, 2019, 6 a.m. 7.2 ppb (7) 1.4 ppb (1) N/A 6.0 ppb (6) N/A N/A 22.0 ppb (17) N/A 7.0 μg/m3 (6) 7.0 μg/m3 (29) 29.0
 
Jan. 17, 2019, 5 a.m. 11.0 ppb (10) 1.8 ppb (2) N/A 9.0 ppb (8) N/A N/A 20.0 ppb (15) N/A 7.0 μg/m3 (6) 6.0 μg/m3 (25) 25.0
 
Jan. 17, 2019, 4 a.m. 9.5 ppb (9) 1.0 ppb (1) N/A 9.0 ppb (8) N/A N/A 19.0 ppb (15) N/A 10.0 μg/m3 (9) 4.0 μg/m3 (17) 17.0
 
Jan. 17, 2019, 3 a.m. 10.9 ppb (10) 1.5 ppb (1) N/A 9.0 ppb (8) N/A N/A 20.0 ppb (15) N/A 12.0 μg/m3 (11) 7.0 μg/m3 (29) 29.0
 
Jan. 17, 2019, 2 a.m. 17.6 ppb (16) 2.7 ppb (3) N/A 15.0 ppb (14) N/A N/A 13.0 ppb (10) N/A 27.0 μg/m3 (25) 13.0 μg/m3 (52) 52.0
 
Jan. 17, 2019, 1 a.m. 24.5 ppb (23) 5.1 ppb (5) N/A 19.0 ppb (18) N/A N/A 11.0 ppb (8) N/A 26.0 μg/m3 (24) 7.0 μg/m3 (29) 29.0
 
Jan. 17, 2019, midnight 32.4 ppb (30) 8.0 ppb (7) N/A 24.0 ppb (22) N/A N/A 4.0 ppb (3) N/A 35.0 μg/m3 (32) 9.0 μg/m3 (38) 38.0
 
Jan. 16, 2019, 11 p.m. 23.2 ppb (21) 4.1 ppb (4) N/A 19.0 ppb (18) N/A N/A 9.0 ppb (7) N/A 31.0 μg/m3 (28) 10.0 μg/m3 (42) 42.0
 
Jan. 16, 2019, 10 p.m. 16.1 ppb (15) 2.6 ppb (2) N/A 14.0 ppb (13) N/A N/A 18.0 ppb (14) N/A 20.0 μg/m3 (18) 3.0 μg/m3 (12) 18.0
 
Jan. 16, 2019, 9 p.m. 11.7 ppb (11) 2.5 ppb (2) N/A 9.0 ppb (8) N/A N/A 22.0 ppb (17) N/A 18.0 μg/m3 (16) 3.0 μg/m3 (12) 17.0
 
Jan. 16, 2019, 8 p.m. 10.4 ppb (10) 2.3 ppb (2) N/A 8.0 ppb (7) N/A N/A 25.0 ppb (19) N/A 15.0 μg/m3 (14) 3.0 μg/m3 (12) 19.0
 
Jan. 16, 2019, 7 p.m. 9.8 ppb (9) 2.8 ppb (3) N/A 7.0 ppb (6) N/A N/A 27.0 ppb (21) N/A 7.0 μg/m3 (6) N/A 21.0
 
Jan. 16, 2019, 6 p.m. 9.4 ppb (9) 2.9 ppb (3) N/A 7.0 ppb (6) N/A N/A 26.0 ppb (20) N/A 9.0 μg/m3 (8) N/A 20.0
 
Jan. 16, 2019, 5 p.m. 13.3 ppb (12) 4.2 ppb (4) N/A 9.0 ppb (8) N/A N/A 22.0 ppb (17) N/A 9.0 μg/m3 (8) 1.0 μg/m3 (4) 17.0
 
Jan. 16, 2019, 4 p.m. 14.1 ppb (13) 4.2 ppb (4) N/A 10.0 ppb (9) N/A N/A 22.0 ppb (17) N/A 9.0 μg/m3 (8) 1.0 μg/m3 (4) 17.0
 
Jan. 16, 2019, 3 p.m. 20.2 ppb (19) 3.5 ppb (3) N/A 17.0 ppb (16) N/A N/A 11.0 ppb (8) N/A 9.0 μg/m3 (8) 1.0 μg/m3 (4) 19.0
 
Jan. 16, 2019, 2 p.m. 20.9 ppb (19) 2.5 ppb (2) N/A 18.0 ppb (17) N/A N/A 10.0 ppb (8) N/A 3.0 μg/m3 (3) -1.0 μg/m3 (0) 19.0
 
Jan. 16, 2019, 1 p.m. 26.7 ppb (25) 6.0 ppb (6) N/A 21.0 ppb (19) N/A N/A 12.0 ppb (9) N/A 3.0 μg/m3 (3) 2.0 μg/m3 (8) 25.0
 
Jan. 16, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (2) 4.0 μg/m3 (17) 17.0
 
Jan. 16, 2019, 11 a.m. 2.7 ppb (3) 0.2 ppb (0) N/A 3.0 ppb (3) N/A N/A 26.0 ppb (20) N/A 2.0 μg/m3 (2) N/A 20.0
 
Jan. 16, 2019, 10 a.m. 2.3 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 27.0 ppb (21) N/A 4.0 μg/m3 (4) 3.0 μg/m3 (12) 21.0
 
Jan. 16, 2019, 9 a.m. 7.4 ppb (7) 0.6 ppb (1) N/A 7.0 ppb (6) N/A N/A 22.0 ppb (17) N/A 4.0 μg/m3 (4) 3.0 μg/m3 (12) 17.0
 
Jan. 16, 2019, 8 a.m. 4.6 ppb (4) 0.2 ppb (0) N/A 4.0 ppb (4) N/A N/A 25.0 ppb (19) N/A 2.0 μg/m3 (2) 3.0 μg/m3 (12) 19.0
 
Jan. 16, 2019, 7 a.m. 10.7 ppb (10) 0.7 ppb (1) N/A 10.0 ppb (9) N/A N/A 19.0 ppb (15) N/A 6.0 μg/m3 (5) 4.0 μg/m3 (17) 17.0
 
Jan. 16, 2019, 6 a.m. 11.3 ppb (10) 0.6 ppb (1) N/A 11.0 ppb (10) N/A N/A 19.0 ppb (15) N/A 7.0 μg/m3 (6) 2.0 μg/m3 (8) 15.0
 
Jan. 16, 2019, 5 a.m. 11.0 ppb (10) 1.0 ppb (1) N/A 10.0 ppb (9) N/A N/A 20.0 ppb (15) N/A 4.0 μg/m3 (4) 2.0 μg/m3 (8) 15.0
 
Jan. 16, 2019, 4 a.m. 11.8 ppb (11) 1.8 ppb (2) N/A 10.0 ppb (9) N/A N/A 20.0 ppb (15) N/A 3.0 μg/m3 (3) 1.0 μg/m3 (4) 15.0
 
Jan. 16, 2019, 3 a.m. 4.4 ppb (4) 0.3 ppb (0) N/A 4.0 ppb (4) N/A N/A 25.0 ppb (19) N/A 6.0 μg/m3 (5) -1.0 μg/m3 (0) 19.0
 
Jan. 16, 2019, 2 a.m. 7.2 ppb (7) 0.6 ppb (1) N/A 7.0 ppb (6) N/A N/A 25.0 ppb (19) N/A 9.0 μg/m3 (8) 4.0 μg/m3 (17) 19.0
 
Jan. 16, 2019, 1 a.m. 18.4 ppb (17) 2.4 ppb (2) N/A 16.0 ppb (15) N/A N/A 18.0 ppb (14) N/A 12.0 μg/m3 (11) 9.0 μg/m3 (38) 38.0
 
Jan. 16, 2019, midnight 21.2 ppb (20) 3.0 ppb (3) N/A 18.0 ppb (17) N/A N/A 17.0 ppb (13) N/A 16.0 μg/m3 (15) 6.0 μg/m3 (25) 25.0
 
Jan. 15, 2019, 11 p.m. 13.6 ppb (13) 1.1 ppb (1) N/A 13.0 ppb (12) N/A N/A 22.0 ppb (17) N/A 26.0 μg/m3 (24) 6.0 μg/m3 (25) 25.0
 
Jan. 15, 2019, 10 p.m. 9.3 ppb (9) 1.4 ppb (1) N/A 8.0 ppb (7) N/A N/A 25.0 ppb (19) N/A 9.0 μg/m3 (8) 4.0 μg/m3 (17) 19.0
 
Jan. 15, 2019, 9 p.m. 8.9 ppb (8) 1.3 ppb (1) N/A 8.0 ppb (7) N/A N/A 25.0 ppb (19) N/A 11.0 μg/m3 (10) 3.0 μg/m3 (12) 19.0
 
Jan. 15, 2019, 8 p.m. 12.0 ppb (11) 2.1 ppb (2) N/A 10.0 ppb (9) N/A N/A 28.0 ppb (22) N/A 9.0 μg/m3 (8) 1.0 μg/m3 (4) 22.0
 
Jan. 15, 2019, 7 p.m. 14.3 ppb (13) 3.0 ppb (3) N/A 11.0 ppb (10) N/A N/A 23.0 ppb (18) N/A 9.0 μg/m3 (8) 2.0 μg/m3 (8) 18.0
 
Jan. 15, 2019, 6 p.m. 12.1 ppb (11) 3.9 ppb (4) N/A 8.0 ppb (7) N/A N/A 21.0 ppb (16) N/A 9.0 μg/m3 (8) 1.0 μg/m3 (4) 16.0
 
Jan. 15, 2019, 5 p.m. 12.8 ppb (12) 3.6 ppb (3) N/A 9.0 ppb (8) N/A N/A 17.0 ppb (13) N/A 14.0 μg/m3 (13) 2.0 μg/m3 (8) 13.0
 
Jan. 15, 2019, 4 p.m. 21.8 ppb (20) 6.9 ppb (6) N/A 15.0 ppb (14) N/A N/A 10.0 ppb (8) N/A 15.0 μg/m3 (14) 3.0 μg/m3 (12) 20.0
 
Jan. 15, 2019, 3 p.m. 19.7 ppb (18) 4.5 ppb (4) N/A 15.0 ppb (14) N/A N/A 9.0 ppb (7) N/A 13.0 μg/m3 (12) 2.0 μg/m3 (8) 18.0
 
Jan. 15, 2019, 2 p.m. 15.4 ppb (14) 2.3 ppb (2) N/A 13.0 ppb (12) N/A N/A 11.0 ppb (8) N/A 12.0 μg/m3 (11) 2.0 μg/m3 (8) 14.0
 
Jan. 15, 2019, 1 p.m. 13.3 ppb (12) 1.8 ppb (2) N/A 12.0 ppb (11) N/A N/A 13.0 ppb (10) N/A 3.0 μg/m3 (3) 1.0 μg/m3 (4) 12.0
 
Jan. 15, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) 2.0 μg/m3 (8) 8.0
 
Jan. 15, 2019, 11 a.m. 3.6 ppb (3) 0.4 ppb (0) N/A 3.0 ppb (3) N/A N/A 17.0 ppb (13) N/A 9.0 μg/m3 (8) 6.0 μg/m3 (25) 25.0
 
Jan. 15, 2019, 10 a.m. 6.5 ppb (6) 1.0 ppb (1) N/A 6.0 ppb (6) N/A N/A 12.0 ppb (9) N/A 14.0 μg/m3 (13) 10.0 μg/m3 (42) 42.0
 
Jan. 15, 2019, 9 a.m. 14.2 ppb (13) 2.4 ppb (2) N/A 12.0 ppb (11) N/A N/A 5.0 ppb (4) N/A 23.0 μg/m3 (21) 15.0 μg/m3 (56) 56.0
 
Jan. 15, 2019, 8 a.m. 20.1 ppb (19) 5.0 ppb (5) N/A 15.0 ppb (14) N/A N/A 3.0 ppb (2) N/A 26.0 μg/m3 (24) 17.0 μg/m3 (61) 61.0