AQSQID: 061010003

Site Name: Yuba City

Location: Yuba City, CA

Reporting: True, Located: True

Current AQI: 67.0

Yuba City CA, US: 39.1389, -121.6175

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Nov. 18, 2019, 7 a.m. 15.7 ppb (15) 2.3 ppb (2) N/A 13.0 ppb (12) N/A N/A 14.0 ppb (11) N/A 51.0 μg/m3 (46) 20.0 μg/m3 (67) 67.0
 
Nov. 18, 2019, 6 a.m. 30.5 ppb (28) 8.2 ppb (8) N/A 22.0 ppb (20) N/A N/A 5.0 ppb (4) N/A 72.0 μg/m3 (58) 32.0 μg/m3 (93) 93.0
 
Nov. 18, 2019, 5 a.m. 59.1 ppb (55) 34.9 ppb (32) N/A 24.0 ppb (22) N/A N/A 3.0 ppb (2) N/A 79.0 μg/m3 (62) 34.0 μg/m3 (97) 97.0
 
Nov. 18, 2019, 4 a.m. 61.3 ppb (58) 30.8 ppb (29) N/A 31.0 ppb (29) N/A N/A 2.0 ppb (2) N/A 76.0 μg/m3 (60) 27.0 μg/m3 (82) 82.0
 
Nov. 18, 2019, 3 a.m. 53.1 ppb (49) 22.1 ppb (20) N/A 31.0 ppb (29) N/A N/A 2.0 ppb (2) N/A 74.0 μg/m3 (60) 23.0 μg/m3 (73) 73.0
 
Nov. 18, 2019, 2 a.m. 44.5 ppb (41) 10.9 ppb (10) N/A 34.0 ppb (31) N/A N/A 3.0 ppb (2) N/A 69.0 μg/m3 (57) 21.0 μg/m3 (69) 69.0
 
Nov. 18, 2019, 1 a.m. 32.5 ppb (30) 4.9 ppb (5) N/A 28.0 ppb (26) N/A N/A 16.0 ppb (12) N/A 54.0 μg/m3 (49) 20.0 μg/m3 (67) 67.0
 
Nov. 18, 2019, midnight 13.9 ppb (13) 1.4 ppb (1) N/A 13.0 ppb (12) N/A N/A 38.0 ppb (29) N/A 48.0 μg/m3 (44) 16.0 μg/m3 (59) 59.0
 
Nov. 17, 2019, 11 p.m. 13.3 ppb (12) 4.1 ppb (4) N/A 9.0 ppb (8) N/A N/A 46.0 ppb (35) N/A 30.0 μg/m3 (27) 9.0 μg/m3 (38) 38.0
 
Nov. 17, 2019, 10 p.m. 12.4 ppb (11) 4.2 ppb (4) N/A 8.0 ppb (7) N/A N/A 46.0 ppb (35) N/A 29.0 μg/m3 (26) 14.0 μg/m3 (54) 54.0
 
Nov. 17, 2019, 9 p.m. 9.4 ppb (9) 1.4 ppb (1) N/A 8.0 ppb (7) N/A N/A 51.0 ppb (39) N/A 41.0 μg/m3 (37) 20.0 μg/m3 (67) 67.0
 
Nov. 17, 2019, 8 p.m. 11.2 ppb (10) 2.0 ppb (2) N/A 9.0 ppb (8) N/A N/A 42.0 ppb (32) N/A 46.0 μg/m3 (42) 19.0 μg/m3 (65) 65.0
 
Nov. 17, 2019, 7 p.m. 9.6 ppb (9) 1.8 ppb (2) N/A 8.0 ppb (7) N/A N/A 40.0 ppb (31) N/A 36.0 μg/m3 (33) 11.0 μg/m3 (46) 46.0
 
Nov. 17, 2019, 6 p.m. 8.4 ppb (8) 2.1 ppb (2) N/A 6.0 ppb (6) N/A N/A 30.0 ppb (23) N/A 26.0 μg/m3 (24) 9.0 μg/m3 (38) 38.0
 
Nov. 17, 2019, 5 p.m. 15.5 ppb (14) 5.2 ppb (5) N/A 10.0 ppb (9) N/A N/A 18.0 ppb (14) N/A 36.0 μg/m3 (33) 8.0 μg/m3 (33) 33.0
 
Nov. 17, 2019, 4 p.m. 16.0 ppb (15) 6.6 ppb (6) N/A 9.0 ppb (8) N/A N/A 10.0 ppb (8) N/A 36.0 μg/m3 (33) 10.0 μg/m3 (42) 42.0
 
Nov. 17, 2019, 3 p.m. 28.0 ppb (26) 16.9 ppb (16) N/A 11.0 ppb (10) N/A N/A 2.0 ppb (2) N/A 30.0 μg/m3 (27) 12.0 μg/m3 (50) 50.0
 
Nov. 17, 2019, 2 p.m. 25.9 ppb (24) 13.7 ppb (13) N/A 12.0 ppb (11) N/A N/A 1.0 ppb (1) N/A 29.0 μg/m3 (26) 15.0 μg/m3 (56) 56.0
 
Nov. 17, 2019, 1 p.m. 20.3 ppb (19) 9.0 ppb (8) N/A 11.0 ppb (10) N/A N/A 2.0 ppb (2) N/A 26.0 μg/m3 (24) 18.0 μg/m3 (63) 63.0
 
Nov. 17, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A 28.0 μg/m3 (25) 19.0 μg/m3 (65) 65.0
 
Nov. 17, 2019, 11 a.m. 14.5 ppb (13) 3.1 ppb (3) N/A 12.0 ppb (11) N/A N/A 2.0 ppb (2) N/A 24.0 μg/m3 (22) 15.0 μg/m3 (56) 56.0
 
Nov. 17, 2019, 10 a.m. 15.0 ppb (14) 2.9 ppb (3) N/A 12.0 ppb (11) N/A N/A 4.0 ppb (3) N/A 28.0 μg/m3 (25) 16.0 μg/m3 (59) 59.0
 
Nov. 17, 2019, 9 a.m. 19.5 ppb (18) 5.2 ppb (5) N/A 14.0 ppb (13) N/A N/A 2.0 ppb (2) N/A 38.0 μg/m3 (35) 20.0 μg/m3 (67) 67.0
 
Nov. 17, 2019, 8 a.m. 21.3 ppb (20) 4.5 ppb (4) N/A 17.0 ppb (16) N/A N/A 3.0 ppb (2) N/A 38.0 μg/m3 (35) 20.0 μg/m3 (67) 67.0
 
Nov. 17, 2019, 7 a.m. 19.0 ppb (18) 2.8 ppb (3) N/A 16.0 ppb (15) N/A N/A 7.0 ppb (5) N/A 43.0 μg/m3 (39) 17.0 μg/m3 (61) 61.0
 
Nov. 17, 2019, 6 a.m. 17.0 ppb (16) 2.3 ppb (2) N/A 15.0 ppb (14) N/A N/A 11.0 ppb (8) N/A 48.0 μg/m3 (44) 20.0 μg/m3 (67) 67.0
 
Nov. 17, 2019, 5 a.m. 15.9 ppb (15) 3.9 ppb (4) N/A 12.0 ppb (11) N/A N/A 18.0 ppb (14) N/A 50.0 μg/m3 (45) 16.0 μg/m3 (59) 59.0
 
Nov. 17, 2019, 4 a.m. 22.3 ppb (21) 3.6 ppb (3) N/A 19.0 ppb (18) N/A N/A 10.0 ppb (8) N/A 74.0 μg/m3 (60) 30.0 μg/m3 (88) 88.0
 
Nov. 17, 2019, 3 a.m. 35.6 ppb (33) 11.6 ppb (11) N/A 24.0 ppb (22) N/A N/A 4.0 ppb (3) N/A 64.0 μg/m3 (54) 22.0 μg/m3 (71) 71.0
 
Nov. 17, 2019, 2 a.m. 25.0 ppb (23) 4.0 ppb (4) N/A 21.0 ppb (19) N/A N/A 10.0 ppb (8) N/A 75.0 μg/m3 (60) 19.0 μg/m3 (65) 65.0
 
Nov. 17, 2019, 1 a.m. 21.1 ppb (20) 2.0 ppb (2) N/A 19.0 ppb (18) N/A N/A 19.0 ppb (15) N/A 60.0 μg/m3 (52) 15.0 μg/m3 (56) 56.0
 
Nov. 17, 2019, midnight 10.9 ppb (10) 1.0 ppb (1) N/A 10.0 ppb (9) N/A N/A 28.0 ppb (22) N/A 36.0 μg/m3 (33) 5.0 μg/m3 (21) 33.0
 
Nov. 16, 2019, 11 p.m. 7.6 ppb (7) 1.4 ppb (1) N/A 6.0 ppb (6) N/A N/A 35.0 ppb (27) N/A 25.0 μg/m3 (23) 8.0 μg/m3 (33) 33.0
 
Nov. 16, 2019, 10 p.m. 4.7 ppb (4) 0.7 ppb (1) N/A 4.0 ppb (4) N/A N/A 38.0 ppb (29) N/A 28.0 μg/m3 (25) 9.0 μg/m3 (38) 38.0
 
Nov. 16, 2019, 9 p.m. 9.3 ppb (9) 1.9 ppb (2) N/A 7.0 ppb (6) N/A N/A 36.0 ppb (28) N/A 33.0 μg/m3 (30) 13.0 μg/m3 (52) 52.0
 
Nov. 16, 2019, 8 p.m. 10.4 ppb (10) 2.3 ppb (2) N/A 8.0 ppb (7) N/A N/A 32.0 ppb (25) N/A 33.0 μg/m3 (30) 10.0 μg/m3 (42) 42.0
 
Nov. 16, 2019, 7 p.m. 8.5 ppb (8) 2.1 ppb (2) N/A 6.0 ppb (6) N/A N/A 30.0 ppb (23) N/A 30.0 μg/m3 (27) 12.0 μg/m3 (50) 50.0
 
Nov. 16, 2019, 6 p.m. 14.9 ppb (14) 5.4 ppb (5) N/A 10.0 ppb (9) N/A N/A 20.0 ppb (15) N/A 33.0 μg/m3 (30) 9.0 μg/m3 (38) 38.0
 
Nov. 16, 2019, 5 p.m. 11.2 ppb (10) 4.3 ppb (4) N/A 7.0 ppb (6) N/A N/A 12.0 ppb (9) N/A 27.0 μg/m3 (25) 11.0 μg/m3 (46) 46.0
 
Nov. 16, 2019, 4 p.m. 11.1 ppb (10) 4.0 ppb (4) N/A 7.0 ppb (6) N/A N/A 8.0 ppb (6) N/A 29.0 μg/m3 (26) 10.0 μg/m3 (42) 42.0
 
Nov. 16, 2019, 3 p.m. 26.2 ppb (24) 15.2 ppb (14) N/A 11.0 ppb (10) N/A N/A 2.0 ppb (2) N/A 33.0 μg/m3 (30) 14.0 μg/m3 (54) 54.0
 
Nov. 16, 2019, 2 p.m. 20.0 ppb (19) 7.9 ppb (7) N/A 12.0 ppb (11) N/A N/A 1.0 ppb (1) N/A 27.0 μg/m3 (25) 14.0 μg/m3 (54) 54.0
 
Nov. 16, 2019, 1 p.m. 14.4 ppb (13) 3.5 ppb (3) N/A 11.0 ppb (10) N/A N/A 3.0 ppb (2) N/A 31.0 μg/m3 (28) 14.0 μg/m3 (54) 54.0
 
Nov. 16, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A 25.0 μg/m3 (23) 16.0 μg/m3 (59) 59.0
 
Nov. 16, 2019, 11 a.m. 9.4 ppb (9) 1.2 ppb (1) N/A 8.0 ppb (7) N/A N/A 7.0 ppb (5) N/A 26.0 μg/m3 (24) 12.0 μg/m3 (50) 50.0
 
Nov. 16, 2019, 10 a.m. 12.4 ppb (11) 2.2 ppb (2) N/A 10.0 ppb (9) N/A N/A 6.0 ppb (5) N/A 28.0 μg/m3 (25) 16.0 μg/m3 (59) 59.0
 
Nov. 16, 2019, 9 a.m. 17.0 ppb (16) 3.4 ppb (3) N/A 14.0 ppb (13) N/A N/A 3.0 ppb (2) N/A 55.0 μg/m3 (50) 31.0 μg/m3 (90) 90.0
 
Nov. 16, 2019, 8 a.m. 31.7 ppb (29) 15.7 ppb (15) N/A 16.0 ppb (15) N/A N/A 2.0 ppb (2) N/A 57.0 μg/m3 (51) 30.0 μg/m3 (88) 88.0
 
Nov. 16, 2019, 7 a.m. 36.4 ppb (34) 17.8 ppb (16) N/A 19.0 ppb (18) N/A N/A 1.0 ppb (1) N/A 60.0 μg/m3 (52) 27.0 μg/m3 (82) 82.0
 
Nov. 16, 2019, 6 a.m. 39.5 ppb (37) 18.1 ppb (17) N/A 21.0 ppb (19) N/A N/A 2.0 ppb (2) N/A 67.0 μg/m3 (56) 28.0 μg/m3 (84) 84.0
 
Nov. 16, 2019, 5 a.m. 49.4 ppb (46) 25.4 ppb (24) N/A 24.0 ppb (22) N/A N/A 2.0 ppb (2) N/A 68.0 μg/m3 (56) 36.0 μg/m3 (101) 101.0
 
Nov. 16, 2019, 4 a.m. 52.2 ppb (48) 24.0 ppb (22) N/A 28.0 ppb (26) N/A N/A 2.0 ppb (2) N/A 69.0 μg/m3 (57) 36.0 μg/m3 (101) 101.0
 
Nov. 16, 2019, 3 a.m. 45.0 ppb (42) 11.8 ppb (11) N/A 33.0 ppb (31) N/A N/A 3.0 ppb (2) N/A 68.0 μg/m3 (56) 25.0 μg/m3 (78) 78.0
 
Nov. 16, 2019, 2 a.m. 36.0 ppb (33) 5.4 ppb (5) N/A 31.0 ppb (29) N/A N/A 6.0 ppb (5) N/A 54.0 μg/m3 (49) 17.0 μg/m3 (61) 61.0
 
Nov. 16, 2019, 1 a.m. 26.2 ppb (24) 3.7 ppb (3) N/A 23.0 ppb (21) N/A N/A 16.0 ppb (12) N/A 61.0 μg/m3 (53) 17.0 μg/m3 (61) 61.0
 
Nov. 16, 2019, midnight 9.0 ppb (8) 1.5 ppb (1) N/A 8.0 ppb (7) N/A N/A 34.0 ppb (26) N/A 33.0 μg/m3 (30) 8.0 μg/m3 (33) 33.0
 
Nov. 15, 2019, 11 p.m. 5.2 ppb (5) 0.9 ppb (1) N/A 4.0 ppb (4) N/A N/A 38.0 ppb (29) N/A 35.0 μg/m3 (32) 11.0 μg/m3 (46) 46.0
 
Nov. 15, 2019, 10 p.m. 4.8 ppb (4) 0.9 ppb (1) N/A 4.0 ppb (4) N/A N/A 39.0 ppb (30) N/A 38.0 μg/m3 (35) 21.0 μg/m3 (69) 69.0
 
Nov. 15, 2019, 9 p.m. 4.2 ppb (4) 1.2 ppb (1) N/A 3.0 ppb (3) N/A N/A 34.0 ppb (26) N/A 17.0 μg/m3 (15) 3.0 μg/m3 (12) 26.0
 
Nov. 15, 2019, 8 p.m. 4.4 ppb (4) 1.4 ppb (1) N/A 3.0 ppb (3) N/A N/A 33.0 ppb (25) N/A 16.0 μg/m3 (15) 4.0 μg/m3 (17) 25.0
 
Nov. 15, 2019, 7 p.m. 5.3 ppb (5) 1.6 ppb (1) N/A 4.0 ppb (4) N/A N/A 29.0 ppb (22) N/A 14.0 μg/m3 (13) 6.0 μg/m3 (25) 25.0
 
Nov. 15, 2019, 6 p.m. 7.4 ppb (7) 2.5 ppb (2) N/A 5.0 ppb (5) N/A N/A 27.0 ppb (21) N/A 11.0 μg/m3 (10) 2.0 μg/m3 (8) 21.0
 
Nov. 15, 2019, 5 p.m. 10.7 ppb (10) 4.3 ppb (4) N/A 6.0 ppb (6) N/A N/A 16.0 ppb (12) N/A 19.0 μg/m3 (17) 4.0 μg/m3 (17) 17.0
 
Nov. 15, 2019, 4 p.m. 14.8 ppb (14) 6.2 ppb (6) N/A 9.0 ppb (8) N/A N/A 7.0 ppb (5) N/A 21.0 μg/m3 (19) 6.0 μg/m3 (25) 25.0
 
Nov. 15, 2019, 3 p.m. 20.7 ppb (19) 8.4 ppb (8) N/A 12.0 ppb (11) N/A N/A 4.0 ppb (3) N/A 24.0 μg/m3 (22) 9.0 μg/m3 (38) 38.0
 
Nov. 15, 2019, 2 p.m. 25.3 ppb (23) 10.7 ppb (10) N/A 15.0 ppb (14) N/A N/A 2.0 ppb (2) N/A 27.0 μg/m3 (25) 6.0 μg/m3 (25) 25.0
 
Nov. 15, 2019, 1 p.m. 16.1 ppb (15) 3.9 ppb (4) N/A 12.0 ppb (11) N/A N/A 4.0 ppb (3) N/A 12.0 μg/m3 (11) 4.0 μg/m3 (17) 17.0
 
Nov. 15, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (4) 1.0 μg/m3 (4) 4.0
 
Nov. 15, 2019, 11 a.m. 5.0 ppb (5) 0.5 ppb (0) N/A 5.0 ppb (5) N/A N/A 17.0 ppb (13) N/A 6.0 μg/m3 (5) 0.0 μg/m3 (0) 13.0
 
Nov. 15, 2019, 10 a.m. 11.0 ppb (10) 4.9 ppb (5) N/A 6.0 ppb (6) N/A N/A 15.0 ppb (12) N/A 8.0 μg/m3 (7) 3.0 μg/m3 (12) 12.0
 
Nov. 15, 2019, 9 a.m. 5.4 ppb (5) 0.6 ppb (1) N/A 5.0 ppb (5) N/A N/A 16.0 ppb (12) N/A 8.0 μg/m3 (7) 7.0 μg/m3 (29) 29.0
 
Nov. 15, 2019, 8 a.m. 6.7 ppb (6) 0.6 ppb (1) N/A 6.0 ppb (6) N/A N/A 16.0 ppb (12) N/A 12.0 μg/m3 (11) 7.0 μg/m3 (29) 29.0
 
Nov. 15, 2019, 7 a.m. 7.5 ppb (7) 0.6 ppb (1) N/A 7.0 ppb (6) N/A N/A 16.0 ppb (12) N/A 11.0 μg/m3 (10) 11.0 μg/m3 (46) 46.0
 
Nov. 15, 2019, 6 a.m. 6.0 ppb (6) 0.4 ppb (0) N/A 6.0 ppb (6) N/A N/A 18.0 ppb (14) N/A 15.0 μg/m3 (14) 6.0 μg/m3 (25) 25.0
 
Nov. 15, 2019, 5 a.m. 8.4 ppb (8) 1.2 ppb (1) N/A 7.0 ppb (6) N/A N/A 16.0 ppb (12) N/A 12.0 μg/m3 (11) 6.0 μg/m3 (25) 25.0
 
Nov. 15, 2019, 4 a.m. 6.7 ppb (6) 0.7 ppb (1) N/A 6.0 ppb (6) N/A N/A 20.0 ppb (15) N/A 15.0 μg/m3 (14) 7.0 μg/m3 (29) 29.0
 
Nov. 15, 2019, 3 a.m. 6.4 ppb (6) 0.5 ppb (0) N/A 6.0 ppb (6) N/A N/A 23.0 ppb (18) N/A 21.0 μg/m3 (19) 15.0 μg/m3 (56) 56.0
 
Nov. 15, 2019, 2 a.m. 5.2 ppb (5) 0.4 ppb (0) N/A 5.0 ppb (5) N/A N/A 25.0 ppb (19) N/A 17.0 μg/m3 (15) 7.0 μg/m3 (29) 29.0
 
Nov. 15, 2019, 1 a.m. 4.6 ppb (4) 0.3 ppb (0) N/A 4.0 ppb (4) N/A N/A 29.0 ppb (22) N/A 33.0 μg/m3 (30) 1.0 μg/m3 (4) 30.0
 
Nov. 15, 2019, midnight 2.9 ppb (3) 0.3 ppb (0) N/A 3.0 ppb (3) N/A N/A 36.0 ppb (28) N/A 42.0 μg/m3 (38) 3.0 μg/m3 (12) 38.0
 
Nov. 14, 2019, 11 p.m. 4.0 ppb (4) 0.2 ppb (0) N/A 4.0 ppb (4) N/A N/A 43.0 ppb (33) N/A 42.0 μg/m3 (38) 7.0 μg/m3 (29) 38.0
 
Nov. 14, 2019, 10 p.m. 4.1 ppb (4) 0.4 ppb (0) N/A 4.0 ppb (4) N/A N/A 47.0 ppb (36) N/A 42.0 μg/m3 (38) 9.0 μg/m3 (38) 38.0
 
Nov. 14, 2019, 9 p.m. 4.8 ppb (4) 0.8 ppb (1) N/A 4.0 ppb (4) N/A N/A 46.0 ppb (35) N/A 50.0 μg/m3 (45) 7.0 μg/m3 (29) 45.0
 
Nov. 14, 2019, 8 p.m. 6.5 ppb (6) 1.0 ppb (1) N/A 6.0 ppb (6) N/A N/A 42.0 ppb (32) N/A 59.0 μg/m3 (52) 11.0 μg/m3 (46) 52.0
 
Nov. 14, 2019, 7 p.m. 6.8 ppb (6) 1.3 ppb (1) N/A 6.0 ppb (6) N/A N/A 36.0 ppb (28) N/A 50.0 μg/m3 (45) 11.0 μg/m3 (46) 46.0
 
Nov. 14, 2019, 6 p.m. 7.1 ppb (7) 1.6 ppb (1) N/A 6.0 ppb (6) N/A N/A 32.0 ppb (25) N/A 41.0 μg/m3 (37) 12.0 μg/m3 (50) 50.0
 
Nov. 14, 2019, 5 p.m. 6.9 ppb (6) 1.4 ppb (1) N/A 6.0 ppb (6) N/A N/A 28.0 ppb (22) N/A 38.0 μg/m3 (35) 12.0 μg/m3 (50) 50.0
 
Nov. 14, 2019, 4 p.m. 7.7 ppb (7) 1.5 ppb (1) N/A 6.0 ppb (6) N/A N/A 23.0 ppb (18) N/A 30.0 μg/m3 (27) 11.0 μg/m3 (46) 46.0
 
Nov. 14, 2019, 3 p.m. 12.7 ppb (12) 2.4 ppb (2) N/A 10.0 ppb (9) N/A N/A 16.0 ppb (12) N/A 41.0 μg/m3 (37) 12.0 μg/m3 (50) 50.0
 
Nov. 14, 2019, 2 p.m. 16.9 ppb (16) 2.8 ppb (3) N/A 14.0 ppb (13) N/A N/A 7.0 ppb (5) N/A 36.0 μg/m3 (33) 13.0 μg/m3 (52) 52.0
 
Nov. 14, 2019, 1 p.m. 19.5 ppb (18) 3.0 ppb (3) N/A 17.0 ppb (16) N/A N/A 4.0 ppb (3) N/A 45.0 μg/m3 (41) 16.0 μg/m3 (59) 59.0
 
Nov. 14, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A 50.0 μg/m3 (45) 20.0 μg/m3 (67) 67.0
 
Nov. 14, 2019, 11 a.m. 20.1 ppb (19) 5.0 ppb (5) N/A 15.0 ppb (14) N/A N/A 9.0 ppb (7) N/A 44.0 μg/m3 (40) 15.0 μg/m3 (56) 56.0
 
Nov. 14, 2019, 10 a.m. 13.4 ppb (12) 2.2 ppb (2) N/A 11.0 ppb (10) N/A N/A 11.0 ppb (8) N/A 42.0 μg/m3 (38) 15.0 μg/m3 (56) 56.0
 
Nov. 14, 2019, 9 a.m. 26.0 ppb (24) 8.8 ppb (8) N/A 17.0 ppb (16) N/A N/A 4.0 ppb (3) N/A 48.0 μg/m3 (44) 20.0 μg/m3 (67) 67.0
 
Nov. 14, 2019, 8 a.m. 37.3 ppb (35) 16.2 ppb (15) N/A 21.0 ppb (19) N/A N/A 1.0 ppb (1) N/A 60.0 μg/m3 (52) 25.0 μg/m3 (78) 78.0
 
Nov. 14, 2019, 7 a.m. 38.9 ppb (36) 15.1 ppb (14) N/A 24.0 ppb (22) N/A N/A 1.0 ppb (1) N/A 52.0 μg/m3 (47) 19.0 μg/m3 (65) 65.0
 
Nov. 14, 2019, 6 a.m. 39.4 ppb (36) 15.0 ppb (14) N/A 24.0 ppb (22) N/A N/A 1.0 ppb (1) N/A 54.0 μg/m3 (49) 15.0 μg/m3 (56) 56.0
 
Nov. 14, 2019, 5 a.m. 26.5 ppb (25) 6.0 ppb (6) N/A 21.0 ppb (19) N/A N/A 6.0 ppb (5) N/A 47.0 μg/m3 (43) 16.0 μg/m3 (59) 59.0
 
Nov. 14, 2019, 4 a.m. 26.4 ppb (24) 3.6 ppb (3) N/A 23.0 ppb (21) N/A N/A 7.0 ppb (5) N/A 74.0 μg/m3 (60) 23.0 μg/m3 (73) 73.0
 
Nov. 14, 2019, 3 a.m. 72.0 ppb (69) 37.8 ppb (35) N/A 34.0 ppb (31) N/A N/A 2.0 ppb (2) N/A 86.0 μg/m3 (66) 22.0 μg/m3 (71) 71.0
 
Nov. 14, 2019, 2 a.m. 82.8 ppb (81) 42.6 ppb (39) N/A 40.0 ppb (37) N/A N/A 2.0 ppb (2) N/A 91.0 μg/m3 (68) 24.0 μg/m3 (76) 81.0
 
Nov. 14, 2019, 1 a.m. 64.6 ppb (61) 25.8 ppb (24) N/A 39.0 ppb (36) N/A N/A 2.0 ppb (2) N/A 105.0 μg/m3 (75) 17.0 μg/m3 (61) 75.0
 
Nov. 14, 2019, midnight 34.6 ppb (32) 5.3 ppb (5) N/A 29.0 ppb (27) N/A N/A 14.0 ppb (11) N/A 58.0 μg/m3 (52) 8.0 μg/m3 (33) 52.0
 
Nov. 13, 2019, 11 p.m. 14.1 ppb (13) 1.3 ppb (1) N/A 13.0 ppb (12) N/A N/A 35.0 ppb (27) N/A 49.0 μg/m3 (45) 9.0 μg/m3 (38) 45.0
 
Nov. 13, 2019, 10 p.m. 14.1 ppb (13) 1.8 ppb (2) N/A 12.0 ppb (11) N/A N/A 40.0 ppb (31) N/A 51.0 μg/m3 (46) 8.0 μg/m3 (33) 46.0
 
Nov. 13, 2019, 9 p.m. 15.7 ppb (15) 2.7 ppb (3) N/A 13.0 ppb (12) N/A N/A 33.0 ppb (25) N/A 55.0 μg/m3 (50) 7.0 μg/m3 (29) 50.0
 
Nov. 13, 2019, 8 p.m. 18.5 ppb (17) 3.9 ppb (4) N/A 15.0 ppb (14) N/A N/A 29.0 ppb (22) N/A 51.0 μg/m3 (46) 10.0 μg/m3 (42) 46.0
 
Nov. 13, 2019, 7 p.m. 22.5 ppb (21) 5.1 ppb (5) N/A 17.0 ppb (16) N/A N/A 24.0 ppb (18) N/A 69.0 μg/m3 (57) 13.0 μg/m3 (52) 57.0
 
Nov. 13, 2019, 6 p.m. 44.8 ppb (41) 18.0 ppb (17) N/A 27.0 ppb (25) N/A N/A 14.0 ppb (11) N/A 65.0 μg/m3 (55) 19.0 μg/m3 (65) 65.0
 
Nov. 13, 2019, 5 p.m. 75.1 ppb (72) 45.0 ppb (42) N/A 30.0 ppb (28) N/A N/A 5.0 ppb (4) N/A 86.0 μg/m3 (66) 24.0 μg/m3 (76) 76.0
 
Nov. 13, 2019, 4 p.m. 94.5 ppb (93) 69.8 ppb (67) N/A 25.0 ppb (23) N/A N/A 2.0 ppb (2) N/A 115.0 μg/m3 (80) 25.0 μg/m3 (78) 93.0
 
Nov. 13, 2019, 3 p.m. 80.2 ppb (78) 64.0 ppb (61) N/A 16.0 ppb (15) N/A N/A 1.0 ppb (1) N/A 65.0 μg/m3 (55) 21.0 μg/m3 (69) 78.0
 
Nov. 13, 2019, 2 p.m. 52.4 ppb (49) 37.9 ppb (35) N/A 15.0 ppb (14) N/A N/A 1.0 ppb (1) N/A 47.0 μg/m3 (43) 28.0 μg/m3 (84) 84.0
 
Nov. 13, 2019, 1 p.m. 37.2 ppb (34) 24.1 ppb (22) N/A 13.0 ppb (12) N/A N/A 1.0 ppb (1) N/A 44.0 μg/m3 (40) 22.0 μg/m3 (71) 71.0
 
Nov. 13, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A 59.0 μg/m3 (52) 27.0 μg/m3 (82) 82.0
 
Nov. 13, 2019, 11 a.m. 23.6 ppb (22) 7.7 ppb (7) N/A 16.0 ppb (15) N/A N/A 1.0 ppb (1) N/A 46.0 μg/m3 (42) 25.0 μg/m3 (78) 78.0
 
Nov. 13, 2019, 10 a.m. 21.1 ppb (20) 6.8 ppb (6) N/A 14.0 ppb (13) N/A N/A 2.0 ppb (2) N/A 57.0 μg/m3 (51) 26.0 μg/m3 (80) 80.0
 
Nov. 13, 2019, 9 a.m. 20.6 ppb (19) 4.1 ppb (4) N/A 17.0 ppb (16) N/A N/A 2.0 ppb (2) N/A 44.0 μg/m3 (40) 16.0 μg/m3 (59) 59.0
 
Nov. 13, 2019, 8 a.m. 19.3 ppb (18) 2.7 ppb (3) N/A 17.0 ppb (16) N/A N/A 5.0 ppb (4) N/A 49.0 μg/m3 (45) 23.0 μg/m3 (73) 73.0
 
Nov. 13, 2019, 7 a.m. 26.8 ppb (25) 6.4 ppb (6) N/A 20.0 ppb (19) N/A N/A 6.0 ppb (5) N/A 60.0 μg/m3 (52) 20.0 μg/m3 (67) 67.0
 
Nov. 13, 2019, 6 a.m. 34.0 ppb (31) 6.7 ppb (6) N/A 27.0 ppb (25) N/A N/A 3.0 ppb (2) N/A 58.0 μg/m3 (52) 20.0 μg/m3 (67) 67.0
 
Nov. 13, 2019, 5 a.m. 33.0 ppb (31) 5.6 ppb (5) N/A 27.0 ppb (25) N/A N/A 5.0 ppb (4) N/A 63.0 μg/m3 (54) 25.0 μg/m3 (78) 78.0
 
Nov. 13, 2019, 4 a.m. 28.4 ppb (26) 2.9 ppb (3) N/A 26.0 ppb (24) N/A N/A 14.0 ppb (11) N/A 65.0 μg/m3 (55) 22.0 μg/m3 (71) 71.0
 
Nov. 13, 2019, 3 a.m. 40.2 ppb (37) 5.8 ppb (5) N/A 34.0 ppb (31) N/A N/A 8.0 ppb (6) N/A 60.0 μg/m3 (52) 16.0 μg/m3 (59) 59.0
 
Nov. 13, 2019, 2 a.m. 37.8 ppb (35) 6.4 ppb (6) N/A 31.0 ppb (29) N/A N/A 17.0 ppb (13) N/A 61.0 μg/m3 (53) 17.0 μg/m3 (61) 61.0
 
Nov. 13, 2019, 1 a.m. 39.2 ppb (36) 7.3 ppb (7) N/A 32.0 ppb (30) N/A N/A 17.0 ppb (13) N/A 60.0 μg/m3 (52) 13.0 μg/m3 (52) 52.0
 
Nov. 13, 2019, midnight 14.0 ppb (13) 0.9 ppb (1) N/A 13.0 ppb (12) N/A N/A 35.0 ppb (27) N/A 47.0 μg/m3 (43) 12.0 μg/m3 (50) 50.0
 
Nov. 12, 2019, 11 p.m. 8.0 ppb (7) 0.7 ppb (1) N/A 7.0 ppb (6) N/A N/A 40.0 ppb (31) N/A 61.0 μg/m3 (53) 8.0 μg/m3 (33) 53.0
 
Nov. 12, 2019, 10 p.m. 6.1 ppb (6) 0.6 ppb (1) N/A 5.0 ppb (5) N/A N/A 42.0 ppb (32) N/A 49.0 μg/m3 (45) 32.0 μg/m3 (93) 93.0
 
Nov. 12, 2019, 9 p.m. 5.1 ppb (5) 0.6 ppb (1) N/A 4.0 ppb (4) N/A N/A 44.0 ppb (34) N/A N/A N/A 34.0
 
Nov. 12, 2019, 8 p.m. 5.9 ppb (5) 0.8 ppb (1) N/A 5.0 ppb (5) N/A N/A 47.0 ppb (36) N/A 52.0 μg/m3 (47) N/A 47.0
 
Nov. 12, 2019, 7 p.m. 9.0 ppb (8) 1.8 ppb (2) N/A 7.0 ppb (6) N/A N/A 34.0 ppb (26) N/A 46.0 μg/m3 (42) 8.0 μg/m3 (33) 42.0
 
Nov. 12, 2019, 6 p.m. 11.8 ppb (11) 2.5 ppb (2) N/A 9.0 ppb (8) N/A N/A 26.0 ppb (20) N/A 57.0 μg/m3 (51) 8.0 μg/m3 (33) 51.0
 
Nov. 12, 2019, 5 p.m. 16.1 ppb (15) 4.6 ppb (4) N/A 12.0 ppb (11) N/A N/A 22.0 ppb (17) N/A 55.0 μg/m3 (50) 8.0 μg/m3 (33) 50.0
 
Nov. 12, 2019, 4 p.m. 30.4 ppb (28) 11.7 ppb (11) N/A 19.0 ppb (18) N/A N/A 11.0 ppb (8) N/A 71.0 μg/m3 (58) 12.0 μg/m3 (50) 58.0
 
Nov. 12, 2019, 3 p.m. 72.8 ppb (70) 49.6 ppb (46) N/A 23.0 ppb (21) N/A N/A 1.0 ppb (1) N/A 69.0 μg/m3 (57) 12.0 μg/m3 (50) 70.0
 
Nov. 12, 2019, 2 p.m. 48.1 ppb (45) 28.8 ppb (27) N/A 19.0 ppb (18) N/A N/A 0.0 ppb (0) N/A 43.0 μg/m3 (39) 15.0 μg/m3 (56) 56.0
 
Nov. 12, 2019, 1 p.m. 61.4 ppb (58) 37.7 ppb (35) N/A 24.0 ppb (22) N/A N/A 1.0 ppb (1) N/A 48.0 μg/m3 (44) 15.0 μg/m3 (56) 58.0
 
Nov. 12, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A 36.0 μg/m3 (33) 17.0 μg/m3 (61) 61.0
 
Nov. 12, 2019, 11 a.m. 28.6 ppb (26) 8.8 ppb (8) N/A 20.0 ppb (19) N/A N/A 2.0 ppb (2) N/A 35.0 μg/m3 (32) 18.0 μg/m3 (63) 63.0
 
Nov. 12, 2019, 10 a.m. 22.7 ppb (21) 3.6 ppb (3) N/A 19.0 ppb (18) N/A N/A 3.0 ppb (2) N/A 30.0 μg/m3 (27) 18.0 μg/m3 (63) 63.0
 
Nov. 12, 2019, 9 a.m. 24.1 ppb (22) 3.5 ppb (3) N/A 21.0 ppb (19) N/A N/A 4.0 ppb (3) N/A 32.0 μg/m3 (29) 13.0 μg/m3 (52) 52.0
 
Nov. 12, 2019, 8 a.m. 21.4 ppb (20) 1.8 ppb (2) N/A 20.0 ppb (19) N/A N/A 9.0 ppb (7) N/A 32.0 μg/m3 (29) 18.0 μg/m3 (63) 63.0
 
Nov. 12, 2019, 7 a.m. 16.0 ppb (15) 1.5 ppb (1) N/A 15.0 ppb (14) N/A N/A 18.0 ppb (14) N/A 43.0 μg/m3 (39) 13.0 μg/m3 (52) 52.0
 
Nov. 12, 2019, 6 a.m. 16.4 ppb (15) 1.3 ppb (1) N/A 15.0 ppb (14) N/A N/A 26.0 ppb (20) N/A 47.0 μg/m3 (43) 12.0 μg/m3 (50) 50.0
 
Nov. 12, 2019, 5 a.m. 14.9 ppb (14) 1.3 ppb (1) N/A 14.0 ppb (13) N/A N/A 30.0 ppb (23) N/A 59.0 μg/m3 (52) 15.0 μg/m3 (56) 56.0
 
Nov. 12, 2019, 4 a.m. 25.9 ppb (24) 3.2 ppb (3) N/A 23.0 ppb (21) N/A N/A 17.0 ppb (13) N/A 77.0 μg/m3 (61) 21.0 μg/m3 (69) 69.0
 
Nov. 12, 2019, 3 a.m. 54.7 ppb (51) 21.3 ppb (20) N/A 33.0 ppb (31) N/A N/A 2.0 ppb (2) N/A 109.0 μg/m3 (77) 27.0 μg/m3 (82) 82.0
 
Nov. 12, 2019, 2 a.m. 73.8 ppb (71) 33.4 ppb (31) N/A 40.0 ppb (37) N/A N/A 2.0 ppb (2) N/A 100.0 μg/m3 (72) 18.0 μg/m3 (63) 72.0
 
Nov. 12, 2019, 1 a.m. 41.6 ppb (39) 8.3 ppb (8) N/A 33.0 ppb (31) N/A N/A 12.0 ppb (9) N/A 107.0 μg/m3 (76) 27.0 μg/m3 (82) 82.0
 
Nov. 12, 2019, midnight 27.8 ppb (26) 8.0 ppb (7) N/A 20.0 ppb (19) N/A N/A 35.0 ppb (27) N/A 55.0 μg/m3 (50) 8.0 μg/m3 (33) 50.0
 
Nov. 11, 2019, 11 p.m. 15.2 ppb (14) 4.3 ppb (4) N/A 11.0 ppb (10) N/A N/A 50.0 ppb (38) N/A 60.0 μg/m3 (52) 8.0 μg/m3 (33) 52.0
 
Nov. 11, 2019, 10 p.m. 4.4 ppb (4) 0.4 ppb (0) N/A 4.0 ppb (4) N/A N/A 54.0 ppb (42) N/A 43.0 μg/m3 (39) 9.0 μg/m3 (38) 42.0
 
Nov. 11, 2019, 9 p.m. 6.6 ppb (6) 0.7 ppb (1) N/A 6.0 ppb (6) N/A N/A 52.0 ppb (40) N/A 51.0 μg/m3 (46) 11.0 μg/m3 (46) 46.0
 
Nov. 11, 2019, 8 p.m. 7.3 ppb (7) 0.9 ppb (1) N/A 6.0 ppb (6) N/A N/A 49.0 ppb (38) N/A 51.0 μg/m3 (46) 9.0 μg/m3 (38) 46.0
 
Nov. 11, 2019, 7 p.m. 7.8 ppb (7) 1.1 ppb (1) N/A 7.0 ppb (6) N/A N/A 45.0 ppb (35) N/A 42.0 μg/m3 (38) 10.0 μg/m3 (42) 42.0
 
Nov. 11, 2019, 6 p.m. 14.2 ppb (13) 3.1 ppb (3) N/A 11.0 ppb (10) N/A N/A 31.0 ppb (24) N/A 33.0 μg/m3 (30) 11.0 μg/m3 (46) 46.0
 
Nov. 11, 2019, 5 p.m. 24.0 ppb (22) 8.2 ppb (8) N/A 16.0 ppb (15) N/A N/A 20.0 ppb (15) N/A 43.0 μg/m3 (39) 8.0 μg/m3 (33) 39.0
 
Nov. 11, 2019, 4 p.m. 26.7 ppb (25) 9.3 ppb (9) N/A 17.0 ppb (16) N/A N/A 11.0 ppb (8) N/A 47.0 μg/m3 (43) 11.0 μg/m3 (46) 46.0
 
Nov. 11, 2019, 3 p.m. 45.7 ppb (42) 25.6 ppb (24) N/A 20.0 ppb (19) N/A N/A 3.0 ppb (2) N/A 87.0 μg/m3 (66) 20.0 μg/m3 (67) 67.0
 
Nov. 11, 2019, 2 p.m. 39.5 ppb (37) 21.9 ppb (20) N/A 17.0 ppb (16) N/A N/A 1.0 ppb (1) N/A 46.0 μg/m3 (42) 18.0 μg/m3 (63) 63.0
 
Nov. 11, 2019, 1 p.m. 21.4 ppb (20) 5.9 ppb (5) N/A 15.0 ppb (14) N/A N/A 3.0 ppb (2) N/A 38.0 μg/m3 (35) 20.0 μg/m3 (67) 67.0
 
Nov. 11, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A 42.0 μg/m3 (38) 20.0 μg/m3 (67) 67.0
 
Nov. 11, 2019, 11 a.m. 22.5 ppb (21) 8.2 ppb (8) N/A 14.0 ppb (13) N/A N/A 2.0 ppb (2) N/A 44.0 μg/m3 (40) 21.0 μg/m3 (69) 69.0
 
Nov. 11, 2019, 10 a.m. 26.8 ppb (25) 9.7 ppb (9) N/A 17.0 ppb (16) N/A N/A 1.0 ppb (1) N/A 34.0 μg/m3 (31) 17.0 μg/m3 (61) 61.0
 
Nov. 11, 2019, 9 a.m. 21.3 ppb (20) 4.1 ppb (4) N/A 17.0 ppb (16) N/A N/A 2.0 ppb (2) N/A 43.0 μg/m3 (39) 17.0 μg/m3 (61) 61.0
 
Nov. 11, 2019, 8 a.m. 27.5 ppb (25) 5.7 ppb (5) N/A 22.0 ppb (20) N/A N/A 2.0 ppb (2) N/A 41.0 μg/m3 (37) 19.0 μg/m3 (65) 65.0