AQSQID: 061072002

Site Name: Visalia - N. Church Street

Location: Visalia (Downtown), CA

Reporting: True, Located: True

Current AQI: 65.0

Visalia (Downtown) CA, US: 36.33252, -119.29095

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Jan. 25, 2020, 11 p.m. 6.2 ppb (6) 0.8 ppb (1) N/A 5.0 ppb (5) N/A N/A 25.0 ppb (19) N/A 36.0 μg/m3 (33) 19.0 μg/m3 (65) 65.0
 
Jan. 25, 2020, 10 p.m. 6.5 ppb (6) 1.2 ppb (1) N/A 5.0 ppb (5) N/A N/A 25.0 ppb (19) N/A 28.0 μg/m3 (25) 24.0 μg/m3 (76) 76.0
 
Jan. 25, 2020, 9 p.m. 6.0 ppb (6) 1.4 ppb (1) N/A 5.0 ppb (5) N/A N/A 24.0 ppb (18) N/A 27.0 μg/m3 (25) 19.0 μg/m3 (65) 65.0
 
Jan. 25, 2020, 8 p.m. 6.3 ppb (6) 1.8 ppb (2) N/A 5.0 ppb (5) N/A N/A 21.0 ppb (16) N/A 23.0 μg/m3 (21) 18.0 μg/m3 (63) 63.0
 
Jan. 25, 2020, 7 p.m. 9.6 ppb (9) 3.0 ppb (3) N/A 7.0 ppb (6) N/A N/A 19.0 ppb (15) N/A 37.0 μg/m3 (34) 20.0 μg/m3 (67) 67.0
 
Jan. 25, 2020, 6 p.m. 9.2 ppb (9) 2.2 ppb (2) N/A 7.0 ppb (6) N/A N/A 16.0 ppb (12) N/A 35.0 μg/m3 (32) 24.0 μg/m3 (76) 76.0
 
Jan. 25, 2020, 5 p.m. 8.9 ppb (8) 2.4 ppb (2) N/A 7.0 ppb (6) N/A N/A 14.0 ppb (11) N/A 36.0 μg/m3 (33) 31.0 μg/m3 (90) 90.0
 
Jan. 25, 2020, 4 p.m. 9.5 ppb (9) 2.0 ppb (2) N/A 8.0 ppb (7) N/A N/A 12.0 ppb (9) N/A 42.0 μg/m3 (38) 26.0 μg/m3 (80) 80.0
 
Jan. 25, 2020, 3 p.m. 9.6 ppb (9) 1.8 ppb (2) N/A 8.0 ppb (7) N/A N/A 8.0 ppb (6) N/A 40.0 μg/m3 (36) 27.0 μg/m3 (82) 82.0
 
Jan. 25, 2020, 2 p.m. 8.9 ppb (8) 0.8 ppb (1) N/A 8.0 ppb (7) N/A N/A 6.0 ppb (5) N/A 41.0 μg/m3 (37) 32.0 μg/m3 (93) 93.0
 
Jan. 25, 2020, 1 p.m. 7.5 ppb (7) 1.1 ppb (1) N/A 6.0 ppb (6) N/A N/A 10.0 ppb (8) N/A 40.0 μg/m3 (36) 35.0 μg/m3 (99) 99.0
 
Jan. 25, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 43.0 μg/m3 (39) 34.0 μg/m3 (97) 97.0
 
Jan. 25, 2020, 11 a.m. 8.2 ppb (8) 0.6 ppb (1) N/A 8.0 ppb (7) N/A N/A 6.0 ppb (5) N/A 54.0 μg/m3 (49) 35.0 μg/m3 (99) 99.0
 
Jan. 25, 2020, 10 a.m. 8.8 ppb (8) 0.7 ppb (1) N/A 8.0 ppb (7) N/A N/A 6.0 ppb (5) N/A 47.0 μg/m3 (43) 34.0 μg/m3 (97) 97.0
 
Jan. 25, 2020, 9 a.m. 10.7 ppb (10) 1.9 ppb (2) N/A 9.0 ppb (8) N/A N/A 7.0 ppb (5) N/A 46.0 μg/m3 (42) 36.0 μg/m3 (101) 101.0
 
Jan. 25, 2020, 8 a.m. 10.3 ppb (10) 1.6 ppb (1) N/A 9.0 ppb (8) N/A N/A 8.0 ppb (6) N/A 43.0 μg/m3 (39) 30.0 μg/m3 (88) 88.0
 
Jan. 25, 2020, 7 a.m. 10.6 ppb (10) 1.3 ppb (1) N/A 9.0 ppb (8) N/A N/A 8.0 ppb (6) N/A 43.0 μg/m3 (39) 31.0 μg/m3 (90) 90.0
 
Jan. 25, 2020, 6 a.m. 13.7 ppb (13) 2.9 ppb (3) N/A 11.0 ppb (10) N/A N/A 7.0 ppb (5) N/A 49.0 μg/m3 (45) 36.0 μg/m3 (101) 101.0
 
Jan. 25, 2020, 5 a.m. 15.7 ppb (15) 3.6 ppb (3) N/A 12.0 ppb (11) N/A N/A 7.0 ppb (5) N/A 52.0 μg/m3 (47) 37.0 μg/m3 (104) 104.0
 
Jan. 25, 2020, 4 a.m. 25.2 ppb (23) 7.1 ppb (7) N/A 18.0 ppb (17) N/A N/A 6.0 ppb (5) N/A 60.0 μg/m3 (52) 50.0 μg/m3 (136) 136.0
 
Jan. 25, 2020, 3 a.m. 48.1 ppb (45) 26.4 ppb (24) N/A 22.0 ppb (20) N/A N/A 1.0 ppb (1) N/A 64.0 μg/m3 (54) 36.0 μg/m3 (101) 101.0
 
Jan. 25, 2020, 2 a.m. 25.6 ppb (24) 7.1 ppb (7) N/A 19.0 ppb (18) N/A N/A 6.0 ppb (5) N/A 52.0 μg/m3 (47) 32.0 μg/m3 (93) 93.0
 
Jan. 25, 2020, 1 a.m. 14.8 ppb (14) 1.5 ppb (1) N/A 13.0 ppb (12) N/A N/A 14.0 ppb (11) N/A 44.0 μg/m3 (40) 32.0 μg/m3 (93) 93.0
 
Jan. 25, 2020, midnight 12.6 ppb (12) 1.8 ppb (2) N/A 11.0 ppb (10) N/A N/A 17.0 ppb (13) N/A 43.0 μg/m3 (39) 30.0 μg/m3 (88) 88.0
 
Jan. 24, 2020, 11 p.m. 11.6 ppb (11) 1.7 ppb (2) N/A 10.0 ppb (9) N/A N/A 17.0 ppb (13) N/A 40.0 μg/m3 (36) 29.0 μg/m3 (86) 86.0
 
Jan. 24, 2020, 10 p.m. 13.1 ppb (12) 3.3 ppb (3) N/A 10.0 ppb (9) N/A N/A 16.0 ppb (12) N/A 43.0 μg/m3 (39) 33.0 μg/m3 (95) 95.0
 
Jan. 24, 2020, 9 p.m. 14.5 ppb (13) 3.3 ppb (3) N/A 11.0 ppb (10) N/A N/A 12.0 ppb (9) N/A 43.0 μg/m3 (39) 28.0 μg/m3 (84) 84.0
 
Jan. 24, 2020, 8 p.m. 20.4 ppb (19) 5.9 ppb (5) N/A 15.0 ppb (14) N/A N/A 9.0 ppb (7) N/A 47.0 μg/m3 (43) 29.0 μg/m3 (86) 86.0
 
Jan. 24, 2020, 7 p.m. 17.4 ppb (16) 4.3 ppb (4) N/A 13.0 ppb (12) N/A N/A 13.0 ppb (10) N/A 40.0 μg/m3 (36) 28.0 μg/m3 (84) 84.0
 
Jan. 24, 2020, 6 p.m. 8.8 ppb (8) 1.6 ppb (1) N/A 7.0 ppb (6) N/A N/A 22.0 ppb (17) N/A 30.0 μg/m3 (27) 25.0 μg/m3 (78) 78.0
 
Jan. 24, 2020, 5 p.m. 14.1 ppb (13) 2.7 ppb (3) N/A 11.0 ppb (10) N/A N/A 14.0 ppb (11) N/A N/A N/A 13.0
 
Jan. 24, 2020, 4 p.m. 23.0 ppb (21) 7.1 ppb (7) N/A 16.0 ppb (15) N/A N/A 7.0 ppb (5) N/A 44.0 μg/m3 (40) N/A 40.0
 
Jan. 24, 2020, 3 p.m. 17.0 ppb (16) 4.0 ppb (4) N/A 13.0 ppb (12) N/A N/A 6.0 ppb (5) N/A 44.0 μg/m3 (40) 36.0 μg/m3 (101) 101.0
 
Jan. 24, 2020, 2 p.m. 9.7 ppb (9) 1.3 ppb (1) N/A 8.0 ppb (7) N/A N/A 6.0 ppb (5) N/A 43.0 μg/m3 (39) 31.0 μg/m3 (90) 90.0
 
Jan. 24, 2020, 1 p.m. 12.1 ppb (11) 2.4 ppb (2) N/A 10.0 ppb (9) N/A N/A 7.0 ppb (5) N/A 37.0 μg/m3 (34) 29.0 μg/m3 (86) 86.0
 
Jan. 24, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 36.0 μg/m3 (33) 29.0 μg/m3 (86) 86.0
 
Jan. 24, 2020, 11 a.m. 8.3 ppb (8) 1.0 ppb (1) N/A 7.0 ppb (6) N/A N/A 7.0 ppb (5) N/A 34.0 μg/m3 (31) 27.0 μg/m3 (82) 82.0
 
Jan. 24, 2020, 10 a.m. 11.1 ppb (10) 1.3 ppb (1) N/A 10.0 ppb (9) N/A N/A 5.0 ppb (4) N/A 35.0 μg/m3 (32) 27.0 μg/m3 (82) 82.0
 
Jan. 24, 2020, 9 a.m. 15.0 ppb (14) 2.2 ppb (2) N/A 13.0 ppb (12) N/A N/A 4.0 ppb (3) N/A 38.0 μg/m3 (35) 28.0 μg/m3 (84) 84.0
 
Jan. 24, 2020, 8 a.m. 12.9 ppb (12) 1.7 ppb (2) N/A 11.0 ppb (10) N/A N/A 6.0 ppb (5) N/A 31.0 μg/m3 (28) 25.0 μg/m3 (78) 78.0
 
Jan. 24, 2020, 7 a.m. 12.1 ppb (11) 1.0 ppb (1) N/A 11.0 ppb (10) N/A N/A 7.0 ppb (5) N/A 35.0 μg/m3 (32) 27.0 μg/m3 (82) 82.0
 
Jan. 24, 2020, 6 a.m. 18.0 ppb (17) 2.4 ppb (2) N/A 16.0 ppb (15) N/A N/A 4.0 ppb (3) N/A 40.0 μg/m3 (36) 28.0 μg/m3 (84) 84.0
 
Jan. 24, 2020, 5 a.m. 34.3 ppb (32) 10.3 ppb (10) N/A 24.0 ppb (22) N/A N/A 2.0 ppb (2) N/A 43.0 μg/m3 (39) 29.0 μg/m3 (86) 86.0
 
Jan. 24, 2020, 4 a.m. 23.6 ppb (22) 3.0 ppb (3) N/A 21.0 ppb (19) N/A N/A 6.0 ppb (5) N/A 40.0 μg/m3 (36) 23.0 μg/m3 (73) 73.0
 
Jan. 24, 2020, 3 a.m. 21.3 ppb (20) 2.3 ppb (2) N/A 19.0 ppb (18) N/A N/A 9.0 ppb (7) N/A 39.0 μg/m3 (35) 30.0 μg/m3 (88) 88.0
 
Jan. 24, 2020, 2 a.m. 21.3 ppb (20) 2.5 ppb (2) N/A 19.0 ppb (18) N/A N/A 14.0 ppb (11) N/A 40.0 μg/m3 (36) 19.0 μg/m3 (65) 65.0
 
Jan. 24, 2020, 1 a.m. 12.7 ppb (12) 1.2 ppb (1) N/A 12.0 ppb (11) N/A N/A 23.0 ppb (18) N/A 31.0 μg/m3 (28) 17.0 μg/m3 (61) 61.0
 
Jan. 24, 2020, midnight 8.0 ppb (7) 0.6 ppb (1) N/A 7.0 ppb (6) N/A N/A 28.0 ppb (22) N/A 27.0 μg/m3 (25) 19.0 μg/m3 (65) 65.0
 
Jan. 23, 2020, 11 p.m. 5.3 ppb (5) 0.8 ppb (1) N/A 4.0 ppb (4) N/A N/A 33.0 ppb (25) N/A 28.0 μg/m3 (25) 18.0 μg/m3 (63) 63.0
 
Jan. 23, 2020, 10 p.m. 5.0 ppb (5) 0.9 ppb (1) N/A 4.0 ppb (4) N/A N/A 32.0 ppb (25) N/A 27.0 μg/m3 (25) 17.0 μg/m3 (61) 61.0
 
Jan. 23, 2020, 9 p.m. 7.7 ppb (7) 2.0 ppb (2) N/A 6.0 ppb (6) N/A N/A 29.0 ppb (22) N/A 27.0 μg/m3 (25) 14.0 μg/m3 (54) 54.0
 
Jan. 23, 2020, 8 p.m. 9.9 ppb (9) 2.8 ppb (3) N/A 7.0 ppb (6) N/A N/A 23.0 ppb (18) N/A 26.0 μg/m3 (24) 13.0 μg/m3 (52) 52.0
 
Jan. 23, 2020, 7 p.m. 11.3 ppb (10) 3.5 ppb (3) N/A 8.0 ppb (7) N/A N/A 20.0 ppb (15) N/A 24.0 μg/m3 (22) 13.0 μg/m3 (52) 52.0
 
Jan. 23, 2020, 6 p.m. 14.1 ppb (13) 5.3 ppb (5) N/A 9.0 ppb (8) N/A N/A 15.0 ppb (12) N/A 26.0 μg/m3 (24) 11.0 μg/m3 (46) 46.0
 
Jan. 23, 2020, 5 p.m. 17.8 ppb (16) 7.8 ppb (7) N/A 10.0 ppb (9) N/A N/A 11.0 ppb (8) N/A 22.0 μg/m3 (20) 11.0 μg/m3 (46) 46.0
 
Jan. 23, 2020, 4 p.m. 17.8 ppb (16) 8.1 ppb (8) N/A 10.0 ppb (9) N/A N/A 7.0 ppb (5) N/A 20.0 μg/m3 (18) 11.0 μg/m3 (46) 46.0
 
Jan. 23, 2020, 3 p.m. 25.8 ppb (24) 12.3 ppb (11) N/A 14.0 ppb (13) N/A N/A 3.0 ppb (2) N/A 22.0 μg/m3 (20) 9.0 μg/m3 (38) 38.0
 
Jan. 23, 2020, 2 p.m. 19.5 ppb (18) 6.6 ppb (6) N/A 13.0 ppb (12) N/A N/A 2.0 ppb (2) N/A 16.0 μg/m3 (15) 9.0 μg/m3 (38) 38.0
 
Jan. 23, 2020, 1 p.m. 16.8 ppb (16) 5.3 ppb (5) N/A 12.0 ppb (11) N/A N/A 3.0 ppb (2) N/A 15.0 μg/m3 (14) 14.0 μg/m3 (54) 54.0
 
Jan. 23, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (18) 11.0 μg/m3 (46) 46.0
 
Jan. 23, 2020, 11 a.m. 22.7 ppb (21) 13.6 ppb (13) N/A 9.0 ppb (8) N/A N/A 1.0 ppb (1) N/A 17.0 μg/m3 (15) 14.0 μg/m3 (54) 54.0
 
Jan. 23, 2020, 10 a.m. 21.6 ppb (20) 10.6 ppb (10) N/A 11.0 ppb (10) N/A N/A 1.0 ppb (1) N/A 18.0 μg/m3 (16) 15.0 μg/m3 (56) 56.0
 
Jan. 23, 2020, 9 a.m. 21.2 ppb (20) 9.1 ppb (8) N/A 12.0 ppb (11) N/A N/A 1.0 ppb (1) N/A 25.0 μg/m3 (23) 13.0 μg/m3 (52) 52.0
 
Jan. 23, 2020, 8 a.m. 18.2 ppb (17) 4.8 ppb (4) N/A 13.0 ppb (12) N/A N/A 2.0 ppb (2) N/A 23.0 μg/m3 (21) 18.0 μg/m3 (63) 63.0
 
Jan. 23, 2020, 7 a.m. 14.4 ppb (13) 1.1 ppb (1) N/A 13.0 ppb (12) N/A N/A 5.0 ppb (4) N/A 23.0 μg/m3 (21) 12.0 μg/m3 (50) 50.0
 
Jan. 23, 2020, 6 a.m. 13.1 ppb (12) 1.5 ppb (1) N/A 12.0 ppb (11) N/A N/A 9.0 ppb (7) N/A 16.0 μg/m3 (15) 11.0 μg/m3 (46) 46.0
 
Jan. 23, 2020, 5 a.m. 13.1 ppb (12) 1.2 ppb (1) N/A 12.0 ppb (11) N/A N/A 9.0 ppb (7) N/A 20.0 μg/m3 (18) 14.0 μg/m3 (54) 54.0
 
Jan. 23, 2020, 4 a.m. 14.5 ppb (13) 2.5 ppb (2) N/A 12.0 ppb (11) N/A N/A 11.0 ppb (8) N/A 27.0 μg/m3 (25) 15.0 μg/m3 (56) 56.0
 
Jan. 23, 2020, 3 a.m. 13.4 ppb (12) 1.1 ppb (1) N/A 12.0 ppb (11) N/A N/A 13.0 ppb (10) N/A 34.0 μg/m3 (31) 14.0 μg/m3 (54) 54.0
 
Jan. 23, 2020, 2 a.m. 11.7 ppb (11) 0.7 ppb (1) N/A 11.0 ppb (10) N/A N/A 19.0 ppb (15) N/A 31.0 μg/m3 (28) 16.0 μg/m3 (59) 59.0
 
Jan. 23, 2020, 1 a.m. 11.0 ppb (10) 0.9 ppb (1) N/A 10.0 ppb (9) N/A N/A 26.0 ppb (20) N/A 31.0 μg/m3 (28) 22.0 μg/m3 (71) 71.0
 
Jan. 23, 2020, midnight 4.9 ppb (5) 0.2 ppb (0) N/A 5.0 ppb (5) N/A N/A 37.0 ppb (28) N/A 25.0 μg/m3 (23) 17.0 μg/m3 (61) 61.0
 
Jan. 22, 2020, 11 p.m. 5.1 ppb (5) 0.5 ppb (0) N/A 5.0 ppb (5) N/A N/A 38.0 ppb (29) N/A 23.0 μg/m3 (21) 9.0 μg/m3 (38) 38.0
 
Jan. 22, 2020, 10 p.m. 5.4 ppb (5) 0.4 ppb (0) N/A 5.0 ppb (5) N/A N/A 38.0 ppb (29) N/A 19.0 μg/m3 (17) 12.0 μg/m3 (50) 50.0
 
Jan. 22, 2020, 9 p.m. 5.7 ppb (5) 0.8 ppb (1) N/A 5.0 ppb (5) N/A N/A 38.0 ppb (29) N/A 15.0 μg/m3 (14) 13.0 μg/m3 (52) 52.0
 
Jan. 22, 2020, 8 p.m. 7.6 ppb (7) 1.5 ppb (1) N/A 6.0 ppb (6) N/A N/A 35.0 ppb (27) N/A 23.0 μg/m3 (21) 11.0 μg/m3 (46) 46.0
 
Jan. 22, 2020, 7 p.m. 8.7 ppb (8) 1.8 ppb (2) N/A 7.0 ppb (6) N/A N/A 32.0 ppb (25) N/A 16.0 μg/m3 (15) 12.0 μg/m3 (50) 50.0
 
Jan. 22, 2020, 6 p.m. 8.7 ppb (8) 2.0 ppb (2) N/A 7.0 ppb (6) N/A N/A 28.0 ppb (22) N/A 22.0 μg/m3 (20) 17.0 μg/m3 (61) 61.0
 
Jan. 22, 2020, 5 p.m. 13.2 ppb (12) 3.5 ppb (3) N/A 10.0 ppb (9) N/A N/A 22.0 ppb (17) N/A 21.0 μg/m3 (19) 15.0 μg/m3 (56) 56.0
 
Jan. 22, 2020, 4 p.m. 48.1 ppb (45) 29.8 ppb (28) N/A 18.0 ppb (17) N/A N/A 8.0 ppb (6) N/A 51.0 μg/m3 (46) 18.0 μg/m3 (63) 63.0
 
Jan. 22, 2020, 3 p.m. 39.9 ppb (37) 23.9 ppb (22) N/A 16.0 ppb (15) N/A N/A 2.0 ppb (2) N/A 56.0 μg/m3 (50) 16.0 μg/m3 (59) 59.0
 
Jan. 22, 2020, 2 p.m. 29.5 ppb (27) 13.7 ppb (13) N/A 16.0 ppb (15) N/A N/A 1.0 ppb (1) N/A 40.0 μg/m3 (36) 25.0 μg/m3 (78) 78.0
 
Jan. 22, 2020, 1 p.m. 15.7 ppb (15) 2.7 ppb (3) N/A 13.0 ppb (12) N/A N/A 4.0 ppb (3) N/A 25.0 μg/m3 (23) 17.0 μg/m3 (61) 61.0
 
Jan. 22, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 34.0 μg/m3 (31) 18.0 μg/m3 (63) 63.0
 
Jan. 22, 2020, 11 a.m. 10.5 ppb (10) 0.9 ppb (1) N/A 10.0 ppb (9) N/A N/A 6.0 ppb (5) N/A 23.0 μg/m3 (21) 17.0 μg/m3 (61) 61.0
 
Jan. 22, 2020, 10 a.m. 8.0 ppb (7) 0.6 ppb (1) N/A 7.0 ppb (6) N/A N/A 10.0 ppb (8) N/A 18.0 μg/m3 (16) 15.0 μg/m3 (56) 56.0
 
Jan. 22, 2020, 9 a.m. 14.3 ppb (13) 3.1 ppb (3) N/A 11.0 ppb (10) N/A N/A 8.0 ppb (6) N/A 28.0 μg/m3 (25) 17.0 μg/m3 (61) 61.0
 
Jan. 22, 2020, 8 a.m. 15.1 ppb (14) 2.0 ppb (2) N/A 13.0 ppb (12) N/A N/A 7.0 ppb (5) N/A 23.0 μg/m3 (21) 16.0 μg/m3 (59) 59.0
 
Jan. 22, 2020, 7 a.m. 14.5 ppb (13) 2.3 ppb (2) N/A 12.0 ppb (11) N/A N/A 9.0 ppb (7) N/A 22.0 μg/m3 (20) 15.0 μg/m3 (56) 56.0
 
Jan. 22, 2020, 6 a.m. 14.2 ppb (13) 3.1 ppb (3) N/A 11.0 ppb (10) N/A N/A 11.0 ppb (8) N/A 24.0 μg/m3 (22) 19.0 μg/m3 (65) 65.0
 
Jan. 22, 2020, 5 a.m. 42.7 ppb (40) 20.0 ppb (19) N/A 23.0 ppb (21) N/A N/A 1.0 ppb (1) N/A 45.0 μg/m3 (41) 18.0 μg/m3 (63) 63.0
 
Jan. 22, 2020, 4 a.m. 50.5 ppb (47) 25.0 ppb (23) N/A 26.0 ppb (24) N/A N/A 1.0 ppb (1) N/A 57.0 μg/m3 (51) 32.0 μg/m3 (93) 93.0
 
Jan. 22, 2020, 3 a.m. 35.8 ppb (33) 9.1 ppb (8) N/A 27.0 ppb (25) N/A N/A 3.0 ppb (2) N/A 41.0 μg/m3 (37) 22.0 μg/m3 (71) 71.0
 
Jan. 22, 2020, 2 a.m. 26.6 ppb (25) 2.5 ppb (2) N/A 24.0 ppb (22) N/A N/A 7.0 ppb (5) N/A 41.0 μg/m3 (37) 21.0 μg/m3 (69) 69.0
 
Jan. 22, 2020, 1 a.m. 17.5 ppb (16) 1.3 ppb (1) N/A 16.0 ppb (15) N/A N/A 17.0 ppb (13) N/A 33.0 μg/m3 (30) 22.0 μg/m3 (71) 71.0
 
Jan. 22, 2020, midnight 6.8 ppb (6) 0.7 ppb (1) N/A 6.0 ppb (6) N/A N/A 31.0 ppb (24) N/A 18.0 μg/m3 (16) 13.0 μg/m3 (52) 52.0
 
Jan. 21, 2020, 11 p.m. 7.0 ppb (6) 1.3 ppb (1) N/A 6.0 ppb (6) N/A N/A 30.0 ppb (23) N/A 18.0 μg/m3 (16) 12.0 μg/m3 (50) 50.0
 
Jan. 21, 2020, 10 p.m. 6.0 ppb (6) 1.2 ppb (1) N/A 5.0 ppb (5) N/A N/A 32.0 ppb (25) N/A 23.0 μg/m3 (21) 8.0 μg/m3 (33) 33.0
 
Jan. 21, 2020, 9 p.m. 6.6 ppb (6) 1.4 ppb (1) N/A 5.0 ppb (5) N/A N/A 31.0 ppb (24) N/A 16.0 μg/m3 (15) 12.0 μg/m3 (50) 50.0
 
Jan. 21, 2020, 8 p.m. 10.8 ppb (10) 3.2 ppb (3) N/A 8.0 ppb (7) N/A N/A 24.0 ppb (18) N/A 21.0 μg/m3 (19) 9.0 μg/m3 (38) 38.0
 
Jan. 21, 2020, 7 p.m. 19.1 ppb (18) 7.5 ppb (7) N/A 12.0 ppb (11) N/A N/A 18.0 ppb (14) N/A 35.0 μg/m3 (32) 18.0 μg/m3 (63) 63.0
 
Jan. 21, 2020, 6 p.m. 19.1 ppb (18) 7.7 ppb (7) N/A 11.0 ppb (10) N/A N/A 15.0 ppb (12) N/A 29.0 μg/m3 (26) 14.0 μg/m3 (54) 54.0
 
Jan. 21, 2020, 5 p.m. 17.2 ppb (16) 6.8 ppb (6) N/A 10.0 ppb (9) N/A N/A 13.0 ppb (10) N/A 27.0 μg/m3 (25) 17.0 μg/m3 (61) 61.0
 
Jan. 21, 2020, 4 p.m. 32.9 ppb (30) 18.0 ppb (17) N/A 15.0 ppb (14) N/A N/A 4.0 ppb (3) N/A 35.0 μg/m3 (32) 20.0 μg/m3 (67) 67.0
 
Jan. 21, 2020, 3 p.m. 35.2 ppb (33) 19.0 ppb (18) N/A 16.0 ppb (15) N/A N/A 2.0 ppb (2) N/A 36.0 μg/m3 (33) 20.0 μg/m3 (67) 67.0
 
Jan. 21, 2020, 2 p.m. 28.5 ppb (26) 15.6 ppb (14) N/A 13.0 ppb (12) N/A N/A 1.0 ppb (1) N/A 30.0 μg/m3 (27) 24.0 μg/m3 (76) 76.0
 
Jan. 21, 2020, 1 p.m. 26.8 ppb (25) 14.7 ppb (14) N/A 12.0 ppb (11) N/A N/A 1.0 ppb (1) N/A 37.0 μg/m3 (34) 23.0 μg/m3 (73) 73.0
 
Jan. 21, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 34.0 μg/m3 (31) 25.0 μg/m3 (78) 78.0
 
Jan. 21, 2020, 11 a.m. 14.2 ppb (13) 4.9 ppb (5) N/A 9.0 ppb (8) N/A N/A 1.0 ppb (1) N/A 26.0 μg/m3 (24) 25.0 μg/m3 (78) 78.0
 
Jan. 21, 2020, 10 a.m. 12.4 ppb (11) 3.6 ppb (3) N/A 9.0 ppb (8) N/A N/A 1.0 ppb (1) N/A 30.0 μg/m3 (27) 27.0 μg/m3 (82) 82.0
 
Jan. 21, 2020, 9 a.m. 11.9 ppb (11) 2.7 ppb (3) N/A 9.0 ppb (8) N/A N/A 3.0 ppb (2) N/A 33.0 μg/m3 (30) 26.0 μg/m3 (80) 80.0
 
Jan. 21, 2020, 8 a.m. 9.7 ppb (9) 1.5 ppb (1) N/A 8.0 ppb (7) N/A N/A 5.0 ppb (4) N/A 28.0 μg/m3 (25) 26.0 μg/m3 (80) 80.0
 
Jan. 21, 2020, 7 a.m. 9.8 ppb (9) 1.9 ppb (2) N/A 8.0 ppb (7) N/A N/A 5.0 ppb (4) N/A 33.0 μg/m3 (30) 30.0 μg/m3 (88) 88.0
 
Jan. 21, 2020, 6 a.m. 11.1 ppb (10) 2.0 ppb (2) N/A 9.0 ppb (8) N/A N/A 6.0 ppb (5) N/A 35.0 μg/m3 (32) 25.0 μg/m3 (78) 78.0
 
Jan. 21, 2020, 5 a.m. 17.1 ppb (16) 5.5 ppb (5) N/A 12.0 ppb (11) N/A N/A 2.0 ppb (2) N/A 39.0 μg/m3 (35) 30.0 μg/m3 (88) 88.0
 
Jan. 21, 2020, 4 a.m. 17.7 ppb (16) 5.2 ppb (5) N/A 13.0 ppb (12) N/A N/A 2.0 ppb (2) N/A 39.0 μg/m3 (35) 31.0 μg/m3 (90) 90.0
 
Jan. 21, 2020, 3 a.m. 17.2 ppb (16) 4.3 ppb (4) N/A 13.0 ppb (12) N/A N/A 3.0 ppb (2) N/A 45.0 μg/m3 (41) 26.0 μg/m3 (80) 80.0
 
Jan. 21, 2020, 2 a.m. 21.4 ppb (20) 6.7 ppb (6) N/A 15.0 ppb (14) N/A N/A 2.0 ppb (2) N/A 46.0 μg/m3 (42) 35.0 μg/m3 (99) 99.0
 
Jan. 21, 2020, 1 a.m. 17.3 ppb (16) 5.3 ppb (5) N/A 12.0 ppb (11) N/A N/A 5.0 ppb (4) N/A 42.0 μg/m3 (38) 28.0 μg/m3 (84) 84.0
 
Jan. 21, 2020, midnight 13.6 ppb (13) 2.8 ppb (3) N/A 11.0 ppb (10) N/A N/A 7.0 ppb (5) N/A 39.0 μg/m3 (35) 26.0 μg/m3 (80) 80.0
 
Jan. 20, 2020, 11 p.m. 12.9 ppb (12) 4.1 ppb (4) N/A 9.0 ppb (8) N/A N/A 9.0 ppb (7) N/A 34.0 μg/m3 (31) 22.0 μg/m3 (71) 71.0
 
Jan. 20, 2020, 10 p.m. 12.8 ppb (12) 4.8 ppb (4) N/A 8.0 ppb (7) N/A N/A 10.0 ppb (8) N/A 30.0 μg/m3 (27) 21.0 μg/m3 (69) 69.0
 
Jan. 20, 2020, 9 p.m. 15.8 ppb (15) 7.1 ppb (7) N/A 9.0 ppb (8) N/A N/A 9.0 ppb (7) N/A 35.0 μg/m3 (32) 32.0 μg/m3 (93) 93.0
 
Jan. 20, 2020, 8 p.m. 15.8 ppb (15) 7.6 ppb (7) N/A 8.0 ppb (7) N/A N/A 8.0 ppb (6) N/A 30.0 μg/m3 (27) 24.0 μg/m3 (76) 76.0
 
Jan. 20, 2020, 7 p.m. 23.2 ppb (21) 14.0 ppb (13) N/A 9.0 ppb (8) N/A N/A 5.0 ppb (4) N/A 33.0 μg/m3 (30) 24.0 μg/m3 (76) 76.0
 
Jan. 20, 2020, 6 p.m. 22.7 ppb (21) 14.5 ppb (13) N/A 8.0 ppb (7) N/A N/A 3.0 ppb (2) N/A 32.0 μg/m3 (29) 25.0 μg/m3 (78) 78.0
 
Jan. 20, 2020, 5 p.m. 17.3 ppb (16) 10.2 ppb (9) N/A 7.0 ppb (6) N/A N/A 2.0 ppb (2) N/A 29.0 μg/m3 (26) 26.0 μg/m3 (80) 80.0
 
Jan. 20, 2020, 4 p.m. 20.9 ppb (19) 12.5 ppb (12) N/A 8.0 ppb (7) N/A N/A 2.0 ppb (2) N/A 33.0 μg/m3 (30) 23.0 μg/m3 (73) 73.0
 
Jan. 20, 2020, 3 p.m. 12.2 ppb (11) 4.1 ppb (4) N/A 8.0 ppb (7) N/A N/A 2.0 ppb (2) N/A 26.0 μg/m3 (24) 21.0 μg/m3 (69) 69.0
 
Jan. 20, 2020, 2 p.m. 13.1 ppb (12) 4.0 ppb (4) N/A 9.0 ppb (8) N/A N/A 2.0 ppb (2) N/A 24.0 μg/m3 (22) 17.0 μg/m3 (61) 61.0
 
Jan. 20, 2020, 1 p.m. 18.0 ppb (17) 7.3 ppb (7) N/A 11.0 ppb (10) N/A N/A 1.0 ppb (1) N/A 31.0 μg/m3 (28) 23.0 μg/m3 (73) 73.0
 
Jan. 20, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 34.0 μg/m3 (31) 30.0 μg/m3 (88) 88.0
 
Jan. 20, 2020, 11 a.m. 17.8 ppb (16) 8.1 ppb (8) N/A 10.0 ppb (9) N/A N/A 1.0 ppb (1) N/A 31.0 μg/m3 (28) 27.0 μg/m3 (82) 82.0
 
Jan. 20, 2020, 10 a.m. 15.7 ppb (15) 5.9 ppb (5) N/A 10.0 ppb (9) N/A N/A 1.0 ppb (1) N/A 29.0 μg/m3 (26) 28.0 μg/m3 (84) 84.0
 
Jan. 20, 2020, 9 a.m. 13.3 ppb (12) 4.9 ppb (5) N/A 9.0 ppb (8) N/A N/A 2.0 ppb (2) N/A 30.0 μg/m3 (27) 26.0 μg/m3 (80) 80.0
 
Jan. 20, 2020, 8 a.m. 14.4 ppb (13) 4.7 ppb (4) N/A 10.0 ppb (9) N/A N/A 2.0 ppb (2) N/A 31.0 μg/m3 (28) 28.0 μg/m3 (84) 84.0
 
Jan. 20, 2020, 7 a.m. 10.1 ppb (9) 3.1 ppb (3) N/A 7.0 ppb (6) N/A N/A 3.0 ppb (2) N/A 33.0 μg/m3 (30) 26.0 μg/m3 (80) 80.0
 
Jan. 20, 2020, 6 a.m. 19.6 ppb (18) 7.1 ppb (7) N/A 12.0 ppb (11) N/A N/A 2.0 ppb (2) N/A 36.0 μg/m3 (33) 32.0 μg/m3 (93) 93.0
 
Jan. 20, 2020, 5 a.m. 21.0 ppb (19) 8.6 ppb (8) N/A 12.0 ppb (11) N/A N/A 2.0 ppb (2) N/A 40.0 μg/m3 (36) 36.0 μg/m3 (101) 101.0
 
Jan. 20, 2020, 4 a.m. 16.9 ppb (16) 5.9 ppb (5) N/A 11.0 ppb (10) N/A N/A 3.0 ppb (2) N/A 34.0 μg/m3 (31) 30.0 μg/m3 (88) 88.0
 
Jan. 20, 2020, 3 a.m. 9.9 ppb (9) 1.1 ppb (1) N/A 9.0 ppb (8) N/A N/A 6.0 ppb (5) N/A 33.0 μg/m3 (30) 26.0 μg/m3 (80) 80.0
 
Jan. 20, 2020, 2 a.m. 10.4 ppb (10) 1.0 ppb (1) N/A 9.0 ppb (8) N/A N/A 7.0 ppb (5) N/A 31.0 μg/m3 (28) 24.0 μg/m3 (76) 76.0
 
Jan. 20, 2020, 1 a.m. 7.8 ppb (7) 0.7 ppb (1) N/A 7.0 ppb (6) N/A N/A 9.0 ppb (7) N/A 32.0 μg/m3 (29) 25.0 μg/m3 (78) 78.0
 
Jan. 20, 2020, midnight 6.7 ppb (6) 1.4 ppb (1) N/A 5.0 ppb (5) N/A N/A 12.0 ppb (9) N/A 26.0 μg/m3 (24) 19.0 μg/m3 (65) 65.0
 
Jan. 19, 2020, 11 p.m. 9.0 ppb (8) 2.2 ppb (2) N/A 7.0 ppb (6) N/A N/A 13.0 ppb (10) N/A 29.0 μg/m3 (26) 23.0 μg/m3 (73) 73.0
 
Jan. 19, 2020, 10 p.m. 9.7 ppb (9) 2.9 ppb (3) N/A 7.0 ppb (6) N/A N/A 13.0 ppb (10) N/A 27.0 μg/m3 (25) 27.0 μg/m3 (82) 82.0
 
Jan. 19, 2020, 9 p.m. 7.5 ppb (7) 2.6 ppb (2) N/A 5.0 ppb (5) N/A N/A 15.0 ppb (12) N/A 25.0 μg/m3 (23) 17.0 μg/m3 (61) 61.0
 
Jan. 19, 2020, 8 p.m. 7.8 ppb (7) 3.2 ppb (3) N/A 5.0 ppb (5) N/A N/A 14.0 ppb (11) N/A 25.0 μg/m3 (23) 20.0 μg/m3 (67) 67.0
 
Jan. 19, 2020, 7 p.m. 8.2 ppb (8) 2.7 ppb (3) N/A 6.0 ppb (6) N/A N/A 12.0 ppb (9) N/A 26.0 μg/m3 (24) 24.0 μg/m3 (76) 76.0
 
Jan. 19, 2020, 6 p.m. 7.0 ppb (6) 2.7 ppb (3) N/A 4.0 ppb (4) N/A N/A 12.0 ppb (9) N/A 24.0 μg/m3 (22) 21.0 μg/m3 (69) 69.0
 
Jan. 19, 2020, 5 p.m. 4.5 ppb (4) 0.8 ppb (1) N/A 4.0 ppb (4) N/A N/A 12.0 ppb (9) N/A 23.0 μg/m3 (21) 22.0 μg/m3 (71) 71.0
 
Jan. 19, 2020, 4 p.m. 5.9 ppb (5) 1.4 ppb (1) N/A 5.0 ppb (5) N/A N/A 11.0 ppb (8) N/A 23.0 μg/m3 (21) 22.0 μg/m3 (71) 71.0
 
Jan. 19, 2020, 3 p.m. 8.8 ppb (8) 1.6 ppb (1) N/A 7.0 ppb (6) N/A N/A 6.0 ppb (5) N/A 28.0 μg/m3 (25) 22.0 μg/m3 (71) 71.0
 
Jan. 19, 2020, 2 p.m. 10.8 ppb (10) 2.7 ppb (3) N/A 8.0 ppb (7) N/A N/A 5.0 ppb (4) N/A 29.0 μg/m3 (26) 27.0 μg/m3 (82) 82.0
 
Jan. 19, 2020, 1 p.m. 11.4 ppb (11) 2.1 ppb (2) N/A 9.0 ppb (8) N/A N/A 3.0 ppb (2) N/A 43.0 μg/m3 (39) 33.0 μg/m3 (95) 95.0
 
Jan. 19, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 45.0 μg/m3 (41) 34.0 μg/m3 (97) 97.0
 
Jan. 19, 2020, 11 a.m. 11.6 ppb (11) 1.7 ppb (2) N/A 10.0 ppb (9) N/A N/A 3.0 ppb (2) N/A 25.0 μg/m3 (23) 21.0 μg/m3 (69) 69.0
 
Jan. 19, 2020, 10 a.m. 12.2 ppb (11) 2.0 ppb (2) N/A 10.0 ppb (9) N/A N/A 4.0 ppb (3) N/A 25.0 μg/m3 (23) 20.0 μg/m3 (67) 67.0
 
Jan. 19, 2020, 9 a.m. 11.4 ppb (11) 1.9 ppb (2) N/A 10.0 ppb (9) N/A N/A 4.0 ppb (3) N/A 21.0 μg/m3 (19) 24.0 μg/m3 (76) 76.0
 
Jan. 19, 2020, 8 a.m. 13.3 ppb (12) 3.2 ppb (3) N/A 10.0 ppb (9) N/A N/A 5.0 ppb (4) N/A 21.0 μg/m3 (19) 20.0 μg/m3 (67) 67.0
 
Jan. 19, 2020, 7 a.m. 12.0 ppb (11) 4.1 ppb (4) N/A 8.0 ppb (7) N/A N/A 6.0 ppb (5) N/A 23.0 μg/m3 (21) 22.0 μg/m3 (71) 71.0
 
Jan. 19, 2020, 6 a.m. 10.2 ppb (9) 2.7 ppb (3) N/A 8.0 ppb (7) N/A N/A 9.0 ppb (7) N/A 18.0 μg/m3 (16) 22.0 μg/m3 (71) 71.0
 
Jan. 19, 2020, 5 a.m. 8.5 ppb (8) 1.6 ppb (1) N/A 7.0 ppb (6) N/A N/A 12.0 ppb (9) N/A 22.0 μg/m3 (20) 16.0 μg/m3 (59) 59.0
 
Jan. 19, 2020, 4 a.m. 7.9 ppb (7) 2.0 ppb (2) N/A 6.0 ppb (6) N/A N/A 14.0 ppb (11) N/A 23.0 μg/m3 (21) 14.0 μg/m3 (54) 54.0
 
Jan. 19, 2020, 3 a.m. 7.5 ppb (7) 1.6 ppb (1) N/A 6.0 ppb (6) N/A N/A 15.0 ppb (12) N/A 21.0 μg/m3 (19) 13.0 μg/m3 (52) 52.0
 
Jan. 19, 2020, 2 a.m. 11.6 ppb (11) 1.9 ppb (2) N/A 10.0 ppb (9) N/A N/A 15.0 ppb (12) N/A 38.0 μg/m3 (35) 33.0 μg/m3 (95) 95.0
 
Jan. 19, 2020, 1 a.m. 16.5 ppb (15) 7.0 ppb (6) N/A 10.0 ppb (9) N/A N/A 16.0 ppb (12) N/A 27.0 μg/m3 (25) 17.0 μg/m3 (61) 61.0
 
Jan. 19, 2020, midnight 9.3 ppb (9) 0.9 ppb (1) N/A 8.0 ppb (7) N/A N/A 18.0 ppb (14) N/A 21.0 μg/m3 (19) 13.0 μg/m3 (52) 52.0