ID: 248

AQSQID: 061130004

Site Name: Davis - Ucd Campus

Added: April 21, 2020, 6:24 p.m.

Updated: Sept. 20, 2020, 7:39 p.m.

Location: Davis (Campbell Rd), CA

Reporting: True, Located: True

Current AQI: 85.0

Davis (Campbell Rd) CA, US: 38.53455, -121.7734

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Sept. 20, 2020, 6 p.m. 2.7 ppb (3) 0.8 ppb (1) N/A 2.0 ppb (2) N/A N/A 33.0 ppb (25) N/A N/A 28.3 μg/m3 (85) 85.0
 
Sept. 20, 2020, 5 p.m. 2.6 ppb (2) 0.9 ppb (1) N/A 2.0 ppb (2) N/A N/A 29.0 ppb (22) N/A N/A 34.1 μg/m3 (97) 97.0
 
Sept. 20, 2020, 4 p.m. 4.3 ppb (4) 1.5 ppb (1) N/A 3.0 ppb (3) N/A N/A 22.0 ppb (17) N/A N/A 39.0 μg/m3 (109) 109.0
 
Sept. 20, 2020, 3 p.m. 7.7 ppb (7) 2.6 ppb (2) N/A 5.0 ppb (5) N/A N/A 11.0 ppb (8) N/A N/A 29.6 μg/m3 (87) 87.0
 
Sept. 20, 2020, 2 p.m. 10.4 ppb (10) 2.9 ppb (3) N/A 8.0 ppb (7) N/A N/A 3.0 ppb (2) N/A N/A 20.7 μg/m3 (69) 69.0
 
Sept. 20, 2020, 1 p.m. 10.6 ppb (10) 2.7 ppb (3) N/A 8.0 ppb (7) N/A N/A 1.0 ppb (1) N/A N/A 25.6 μg/m3 (79) 79.0
 
Sept. 20, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A 19.6 μg/m3 (66) 66.0
 
Sept. 20, 2020, 11 a.m. 21.5 ppb (20) 7.7 ppb (7) N/A 14.0 ppb (13) N/A N/A 0.0 ppb (0) N/A N/A 26.7 μg/m3 (81) 81.0
 
Sept. 20, 2020, 10 a.m. 17.1 ppb (16) 2.7 ppb (3) N/A 14.0 ppb (13) N/A N/A 0.0 ppb (0) N/A N/A 24.2 μg/m3 (76) 76.0
 
Sept. 20, 2020, 9 a.m. 12.1 ppb (11) 1.5 ppb (1) N/A 11.0 ppb (10) N/A N/A 4.0 ppb (3) N/A N/A 26.7 μg/m3 (81) 81.0
 
Sept. 20, 2020, 8 a.m. 3.9 ppb (4) 0.6 ppb (1) N/A 3.0 ppb (3) N/A N/A 14.0 ppb (11) N/A N/A 20.1 μg/m3 (67) 67.0
 
Sept. 20, 2020, 7 a.m. 3.3 ppb (3) 0.6 ppb (1) N/A 3.0 ppb (3) N/A N/A 18.0 ppb (14) N/A N/A 17.8 μg/m3 (62) 62.0
 
Sept. 20, 2020, 6 a.m. 3.7 ppb (3) 0.6 ppb (1) N/A 3.0 ppb (3) N/A N/A 20.0 ppb (15) N/A N/A 23.9 μg/m3 (75) 75.0
 
Sept. 20, 2020, 5 a.m. 6.6 ppb (6) 1.0 ppb (1) N/A 6.0 ppb (6) N/A N/A 15.0 ppb (12) N/A N/A 27.3 μg/m3 (83) 83.0
 
Sept. 20, 2020, 4 a.m. 7.1 ppb (7) 0.7 ppb (1) N/A 6.0 ppb (6) N/A N/A 16.0 ppb (12) N/A N/A 30.5 μg/m3 (89) 89.0
 
Sept. 20, 2020, 3 a.m. 5.9 ppb (5) 0.5 ppb (0) N/A 5.0 ppb (5) N/A N/A 24.0 ppb (18) N/A N/A 28.8 μg/m3 (86) 86.0
 
Sept. 20, 2020, 2 a.m. 5.1 ppb (5) 0.4 ppb (0) N/A 5.0 ppb (5) N/A N/A 33.0 ppb (25) N/A N/A 25.6 μg/m3 (79) 79.0
 
Sept. 20, 2020, 1 a.m. 2.5 ppb (2) 0.4 ppb (0) N/A 2.0 ppb (2) N/A N/A 42.0 ppb (32) N/A N/A 28.9 μg/m3 (86) 86.0
 
Sept. 20, 2020, midnight 1.9 ppb (2) 0.5 ppb (0) N/A 1.0 ppb (1) N/A N/A 43.0 ppb (33) N/A N/A 27.6 μg/m3 (83) 83.0
 
Sept. 19, 2020, 11 p.m. 2.1 ppb (2) 0.7 ppb (1) N/A 1.0 ppb (1) N/A N/A 42.0 ppb (32) N/A N/A 18.0 μg/m3 (63) 63.0
 
Sept. 19, 2020, 10 p.m. 2.4 ppb (2) 0.9 ppb (1) N/A 2.0 ppb (2) N/A N/A 41.0 ppb (32) N/A N/A 22.1 μg/m3 (71) 71.0
 
Sept. 19, 2020, 9 p.m. 2.8 ppb (3) 1.1 ppb (1) N/A 2.0 ppb (2) N/A N/A 39.0 ppb (30) N/A N/A 21.2 μg/m3 (70) 70.0
 
Sept. 19, 2020, 8 p.m. 2.9 ppb (3) 1.3 ppb (1) N/A 2.0 ppb (2) N/A N/A 39.0 ppb (30) N/A N/A 27.7 μg/m3 (83) 83.0
 
Sept. 19, 2020, 7 p.m. 3.2 ppb (3) 1.5 ppb (1) N/A 2.0 ppb (2) N/A N/A 37.0 ppb (28) N/A N/A 16.9 μg/m3 (60) 60.0
 
Sept. 19, 2020, 6 p.m. 4.2 ppb (4) 1.8 ppb (2) N/A 2.0 ppb (2) N/A N/A 33.0 ppb (25) N/A N/A 13.2 μg/m3 (53) 53.0
 
Sept. 19, 2020, 5 p.m. 5.9 ppb (5) 2.6 ppb (2) N/A 3.0 ppb (3) N/A N/A 22.0 ppb (17) N/A N/A 17.5 μg/m3 (62) 62.0
 
Sept. 19, 2020, 4 p.m. 5.9 ppb (5) 2.4 ppb (2) N/A 4.0 ppb (4) N/A N/A 15.0 ppb (12) N/A N/A 12.0 μg/m3 (50) 50.0
 
Sept. 19, 2020, 3 p.m. 5.0 ppb (5) 1.7 ppb (2) N/A 3.0 ppb (3) N/A N/A 11.0 ppb (8) N/A N/A 10.5 μg/m3 (44) 44.0
 
Sept. 19, 2020, 2 p.m. 5.7 ppb (5) 1.6 ppb (1) N/A 4.0 ppb (4) N/A N/A 5.0 ppb (4) N/A N/A 8.7 μg/m3 (36) 36.0
 
Sept. 19, 2020, 1 p.m. 3.8 ppb (4) 0.9 ppb (1) N/A 3.0 ppb (3) N/A N/A 3.0 ppb (2) N/A N/A 9.1 μg/m3 (38) 38.0
 
Sept. 19, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A 9.9 μg/m3 (41) 41.0
 
Sept. 19, 2020, 11 a.m. 5.7 ppb (5) 0.8 ppb (1) N/A 5.0 ppb (5) N/A N/A 7.0 ppb (5) N/A N/A 7.1 μg/m3 (30) 30.0
 
Sept. 19, 2020, 10 a.m. 4.7 ppb (4) 0.8 ppb (1) N/A 4.0 ppb (4) N/A N/A 9.0 ppb (7) N/A N/A 8.2 μg/m3 (34) 34.0
 
Sept. 19, 2020, 9 a.m. 4.0 ppb (4) 0.8 ppb (1) N/A 3.0 ppb (3) N/A N/A 11.0 ppb (8) N/A N/A 12.8 μg/m3 (52) 52.0
 
Sept. 19, 2020, 8 a.m. 4.3 ppb (4) 0.7 ppb (1) N/A 4.0 ppb (4) N/A N/A 12.0 ppb (9) N/A N/A 15.1 μg/m3 (57) 57.0
 
Sept. 19, 2020, 7 a.m. 4.8 ppb (4) 0.7 ppb (1) N/A 4.0 ppb (4) N/A N/A 14.0 ppb (11) N/A N/A 12.2 μg/m3 (50) 50.0
 
Sept. 19, 2020, 6 a.m. 4.3 ppb (4) 0.7 ppb (1) N/A 4.0 ppb (4) N/A N/A 15.0 ppb (12) N/A N/A 11.4 μg/m3 (48) 48.0
 
Sept. 19, 2020, 5 a.m. 5.6 ppb (5) 0.6 ppb (1) N/A 5.0 ppb (5) N/A N/A 17.0 ppb (13) N/A N/A 13.7 μg/m3 (54) 54.0
 
Sept. 19, 2020, 4 a.m. 4.2 ppb (4) 0.7 ppb (1) N/A 4.0 ppb (4) N/A N/A 19.0 ppb (15) N/A N/A 13.2 μg/m3 (53) 53.0
 
Sept. 19, 2020, 3 a.m. 4.3 ppb (4) 0.6 ppb (1) N/A 4.0 ppb (4) N/A N/A 21.0 ppb (16) N/A N/A 14.9 μg/m3 (56) 56.0
 
Sept. 19, 2020, 2 a.m. 3.8 ppb (4) 0.6 ppb (1) N/A 3.0 ppb (3) N/A N/A 25.0 ppb (19) N/A N/A 16.7 μg/m3 (60) 60.0
 
Sept. 19, 2020, 1 a.m. 2.3 ppb (2) 0.6 ppb (1) N/A 2.0 ppb (2) N/A N/A 31.0 ppb (24) N/A N/A 10.9 μg/m3 (45) 45.0
 
Sept. 19, 2020, midnight 1.7 ppb (2) 0.8 ppb (1) N/A 1.0 ppb (1) N/A N/A 35.0 ppb (27) N/A N/A 12.5 μg/m3 (51) 51.0
 
Sept. 18, 2020, 11 p.m. 2.9 ppb (3) 1.2 ppb (1) N/A 2.0 ppb (2) N/A N/A 39.0 ppb (30) N/A N/A 12.9 μg/m3 (52) 52.0
 
Sept. 18, 2020, 10 p.m. 3.4 ppb (3) 1.3 ppb (1) N/A 2.0 ppb (2) N/A N/A 40.0 ppb (31) N/A N/A 14.8 μg/m3 (56) 56.0
 
Sept. 18, 2020, 9 p.m. 3.0 ppb (3) 1.5 ppb (1) N/A 2.0 ppb (2) N/A N/A 39.0 ppb (30) N/A N/A 14.9 μg/m3 (56) 56.0
 
Sept. 18, 2020, 8 p.m. 3.2 ppb (3) 1.4 ppb (1) N/A 2.0 ppb (2) N/A N/A 37.0 ppb (28) N/A N/A 11.6 μg/m3 (48) 48.0
 
Sept. 18, 2020, 7 p.m. 3.9 ppb (4) 1.7 ppb (2) N/A 2.0 ppb (2) N/A N/A 33.0 ppb (25) N/A N/A 9.7 μg/m3 (40) 40.0
 
Sept. 18, 2020, 6 p.m. 3.9 ppb (4) 1.6 ppb (1) N/A 2.0 ppb (2) N/A N/A 27.0 ppb (21) N/A N/A 9.6 μg/m3 (40) 40.0
 
Sept. 18, 2020, 5 p.m. 2.0 ppb (2) 1.0 ppb (1) N/A 1.0 ppb (1) N/A N/A 26.0 ppb (20) N/A N/A 9.1 μg/m3 (38) 38.0
 
Sept. 18, 2020, 4 p.m. 4.9 ppb (5) 2.0 ppb (2) N/A 3.0 ppb (3) N/A N/A 19.0 ppb (15) N/A N/A 8.3 μg/m3 (35) 35.0
 
Sept. 18, 2020, 3 p.m. 5.9 ppb (5) 2.1 ppb (2) N/A 4.0 ppb (4) N/A N/A 15.0 ppb (12) N/A N/A 11.4 μg/m3 (48) 48.0
 
Sept. 18, 2020, 2 p.m. 6.8 ppb (6) 1.6 ppb (1) N/A 5.0 ppb (5) N/A N/A 10.0 ppb (8) N/A N/A 7.0 μg/m3 (29) 29.0
 
Sept. 18, 2020, 1 p.m. 7.4 ppb (7) 1.2 ppb (1) N/A 6.0 ppb (6) N/A N/A 8.0 ppb (6) N/A N/A 9.3 μg/m3 (39) 39.0
 
Sept. 18, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A 9.3 μg/m3 (39) 39.0
 
Sept. 18, 2020, 11 a.m. 8.0 ppb (7) 0.8 ppb (1) N/A 7.0 ppb (6) N/A N/A 10.0 ppb (8) N/A N/A 9.4 μg/m3 (39) 39.0
 
Sept. 18, 2020, 10 a.m. 2.5 ppb (2) 0.6 ppb (1) N/A 2.0 ppb (2) N/A N/A 17.0 ppb (13) N/A N/A 13.4 μg/m3 (53) 53.0
 
Sept. 18, 2020, 9 a.m. 3.4 ppb (3) 0.7 ppb (1) N/A 3.0 ppb (3) N/A N/A 12.0 ppb (9) N/A N/A 8.2 μg/m3 (34) 34.0
 
Sept. 18, 2020, 8 a.m. 2.7 ppb (3) 0.7 ppb (1) N/A 2.0 ppb (2) N/A N/A 14.0 ppb (11) N/A N/A 7.0 μg/m3 (29) 29.0
 
Sept. 18, 2020, 7 a.m. 3.4 ppb (3) 0.7 ppb (1) N/A 3.0 ppb (3) N/A N/A 14.0 ppb (11) N/A N/A 12.0 μg/m3 (50) 50.0
 
Sept. 18, 2020, 6 a.m. 4.0 ppb (4) 0.6 ppb (1) N/A 3.0 ppb (3) N/A N/A 16.0 ppb (12) N/A N/A 10.0 μg/m3 (42) 42.0
 
Sept. 18, 2020, 5 a.m. 4.3 ppb (4) 0.6 ppb (1) N/A 4.0 ppb (4) N/A N/A 17.0 ppb (13) N/A N/A 14.1 μg/m3 (54) 54.0
 
Sept. 18, 2020, 4 a.m. 3.3 ppb (3) 0.5 ppb (0) N/A 3.0 ppb (3) N/A N/A 20.0 ppb (15) N/A N/A 15.2 μg/m3 (57) 57.0
 
Sept. 18, 2020, 3 a.m. 4.2 ppb (4) 0.7 ppb (1) N/A 4.0 ppb (4) N/A N/A 20.0 ppb (15) N/A N/A 9.7 μg/m3 (40) 40.0
 
Sept. 18, 2020, 2 a.m. 3.5 ppb (3) 0.7 ppb (1) N/A 3.0 ppb (3) N/A N/A 24.0 ppb (18) N/A N/A 9.9 μg/m3 (41) 41.0
 
Sept. 18, 2020, 1 a.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 10.9 μg/m3 (45) 45.0
 
Sept. 18, 2020, midnight 3.4 ppb (3) 1.4 ppb (1) N/A 2.0 ppb (2) N/A N/A 27.0 ppb (21) N/A N/A 7.7 μg/m3 (32) 32.0
 
Sept. 17, 2020, 11 p.m. 3.5 ppb (3) 1.8 ppb (2) N/A 2.0 ppb (2) N/A N/A 26.0 ppb (20) N/A N/A 10.2 μg/m3 (42) 42.0
 
Sept. 17, 2020, 10 p.m. 3.4 ppb (3) 2.1 ppb (2) N/A 1.0 ppb (1) N/A N/A 23.0 ppb (18) N/A N/A 9.6 μg/m3 (40) 40.0
 
Sept. 17, 2020, 9 p.m. 5.3 ppb (5) 2.8 ppb (3) N/A 3.0 ppb (3) N/A N/A 37.0 ppb (28) N/A N/A 12.9 μg/m3 (52) 52.0
 
Sept. 17, 2020, 8 p.m. 6.8 ppb (6) 3.1 ppb (3) N/A 4.0 ppb (4) N/A N/A 39.0 ppb (30) N/A N/A 15.4 μg/m3 (57) 57.0
 
Sept. 17, 2020, 7 p.m. 10.6 ppb (10) 4.9 ppb (5) N/A 6.0 ppb (6) N/A N/A 28.0 ppb (22) N/A N/A 14.1 μg/m3 (54) 54.0
 
Sept. 17, 2020, 6 p.m. 11.5 ppb (11) 5.8 ppb (5) N/A 6.0 ppb (6) N/A N/A 18.0 ppb (14) N/A N/A 11.4 μg/m3 (48) 48.0
 
Sept. 17, 2020, 5 p.m. 12.2 ppb (11) 7.0 ppb (6) N/A 5.0 ppb (5) N/A N/A 10.0 ppb (8) N/A N/A 9.3 μg/m3 (39) 39.0
 
Sept. 17, 2020, 4 p.m. 14.2 ppb (13) 9.1 ppb (8) N/A 5.0 ppb (5) N/A N/A 5.0 ppb (4) N/A N/A 10.3 μg/m3 (43) 43.0
 
Sept. 17, 2020, 3 p.m. 21.7 ppb (20) 16.4 ppb (15) N/A 5.0 ppb (5) N/A N/A 1.0 ppb (1) N/A N/A 5.9 μg/m3 (25) 25.0
 
Sept. 17, 2020, 2 p.m. 15.8 ppb (15) 12.0 ppb (11) N/A 4.0 ppb (4) N/A N/A 0.0 ppb (0) N/A N/A 6.4 μg/m3 (27) 27.0
 
Sept. 17, 2020, 1 p.m. 8.3 ppb (8) 5.1 ppb (5) N/A 3.0 ppb (3) N/A N/A 0.0 ppb (0) N/A N/A 5.1 μg/m3 (21) 21.0
 
Sept. 17, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A 7.6 μg/m3 (32) 32.0
 
Sept. 17, 2020, 11 a.m. 7.4 ppb (7) 2.8 ppb (3) N/A 5.0 ppb (5) N/A N/A 0.0 ppb (0) N/A N/A 8.8 μg/m3 (37) 37.0
 
Sept. 17, 2020, 10 a.m. 5.5 ppb (5) 1.9 ppb (2) N/A 4.0 ppb (4) N/A N/A 1.0 ppb (1) N/A N/A 5.9 μg/m3 (25) 25.0
 
Sept. 17, 2020, 9 a.m. 3.4 ppb (3) 1.2 ppb (1) N/A 2.0 ppb (2) N/A N/A 3.0 ppb (2) N/A N/A 7.1 μg/m3 (30) 30.0
 
Sept. 17, 2020, 8 a.m. 3.5 ppb (3) 1.1 ppb (1) N/A 2.0 ppb (2) N/A N/A 4.0 ppb (3) N/A N/A 11.7 μg/m3 (49) 49.0
 
Sept. 17, 2020, 7 a.m. 6.1 ppb (6) 1.4 ppb (1) N/A 5.0 ppb (5) N/A N/A 3.0 ppb (2) N/A N/A 5.8 μg/m3 (24) 24.0
 
Sept. 17, 2020, 6 a.m. 4.7 ppb (4) 1.0 ppb (1) N/A 4.0 ppb (4) N/A N/A 5.0 ppb (4) N/A N/A 5.9 μg/m3 (25) 25.0
 
Sept. 17, 2020, 5 a.m. 5.7 ppb (5) 1.1 ppb (1) N/A 5.0 ppb (5) N/A N/A 5.0 ppb (4) N/A N/A 5.9 μg/m3 (25) 25.0
 
Sept. 17, 2020, 4 a.m. 5.7 ppb (5) 1.0 ppb (1) N/A 5.0 ppb (5) N/A N/A 8.0 ppb (6) N/A N/A 9.9 μg/m3 (41) 41.0
 
Sept. 17, 2020, 3 a.m. 6.4 ppb (6) 0.9 ppb (1) N/A 5.0 ppb (5) N/A N/A 13.0 ppb (10) N/A N/A 11.4 μg/m3 (48) 48.0
 
Sept. 17, 2020, 2 a.m. 6.1 ppb (6) 0.8 ppb (1) N/A 5.0 ppb (5) N/A N/A 22.0 ppb (17) N/A N/A 15.1 μg/m3 (57) 57.0
 
Sept. 17, 2020, 1 a.m. 4.4 ppb (4) 0.7 ppb (1) N/A 4.0 ppb (4) N/A N/A 39.0 ppb (30) N/A N/A 23.1 μg/m3 (74) 74.0
 
Sept. 17, 2020, midnight 2.9 ppb (3) 0.7 ppb (1) N/A 2.0 ppb (2) N/A N/A 57.0 ppb (44) N/A N/A 23.6 μg/m3 (75) 75.0
 
Sept. 16, 2020, 11 p.m. 3.1 ppb (3) 0.9 ppb (1) N/A 2.0 ppb (2) N/A N/A 61.0 ppb (47) N/A N/A 26.5 μg/m3 (81) 81.0
 
Sept. 16, 2020, 10 p.m. 3.8 ppb (4) 1.2 ppb (1) N/A 3.0 ppb (3) N/A N/A 58.0 ppb (45) N/A N/A 28.6 μg/m3 (85) 85.0
 
Sept. 16, 2020, 9 p.m. 3.9 ppb (4) 1.5 ppb (1) N/A 2.0 ppb (2) N/A N/A 50.0 ppb (38) N/A N/A 27.4 μg/m3 (83) 83.0
 
Sept. 16, 2020, 8 p.m. 4.4 ppb (4) 1.6 ppb (1) N/A 3.0 ppb (3) N/A N/A 44.0 ppb (34) N/A N/A 22.4 μg/m3 (72) 72.0
 
Sept. 16, 2020, 7 p.m. 4.6 ppb (4) 1.8 ppb (2) N/A 3.0 ppb (3) N/A N/A 35.0 ppb (27) N/A N/A 21.2 μg/m3 (70) 70.0
 
Sept. 16, 2020, 6 p.m. 6.0 ppb (6) 2.4 ppb (2) N/A 4.0 ppb (4) N/A N/A 27.0 ppb (21) N/A N/A 21.5 μg/m3 (70) 70.0
 
Sept. 16, 2020, 5 p.m. 6.5 ppb (6) 3.1 ppb (3) N/A 3.0 ppb (3) N/A N/A 16.0 ppb (12) N/A N/A 16.1 μg/m3 (59) 59.0
 
Sept. 16, 2020, 4 p.m. 8.9 ppb (8) 4.6 ppb (4) N/A 4.0 ppb (4) N/A N/A 8.0 ppb (6) N/A N/A 15.1 μg/m3 (57) 57.0
 
Sept. 16, 2020, 3 p.m. 10.9 ppb (10) 5.7 ppb (5) N/A 5.0 ppb (5) N/A N/A 3.0 ppb (2) N/A N/A 13.8 μg/m3 (54) 54.0
 
Sept. 16, 2020, 2 p.m. 8.5 ppb (8) 4.3 ppb (4) N/A 4.0 ppb (4) N/A N/A 0.0 ppb (0) N/A N/A 10.3 μg/m3 (43) 43.0
 
Sept. 16, 2020, 1 p.m. 6.2 ppb (6) 1.7 ppb (2) N/A 5.0 ppb (5) N/A N/A 0.0 ppb (0) N/A N/A 9.9 μg/m3 (41) 41.0
 
Sept. 16, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A 6.2 μg/m3 (26) 26.0
 
Sept. 16, 2020, 11 a.m. 6.4 ppb (6) 1.4 ppb (1) N/A 5.0 ppb (5) N/A N/A 2.0 ppb (2) N/A N/A 5.8 μg/m3 (24) 24.0
 
Sept. 16, 2020, 10 a.m. 4.3 ppb (4) 1.0 ppb (1) N/A 3.0 ppb (3) N/A N/A 6.0 ppb (5) N/A N/A 8.2 μg/m3 (34) 34.0
 
Sept. 16, 2020, 9 a.m. 4.9 ppb (5) 0.9 ppb (1) N/A 4.0 ppb (4) N/A N/A 7.0 ppb (5) N/A N/A 10.3 μg/m3 (43) 43.0
 
Sept. 16, 2020, 8 a.m. 6.9 ppb (6) 1.0 ppb (1) N/A 6.0 ppb (6) N/A N/A 6.0 ppb (5) N/A N/A 10.0 μg/m3 (42) 42.0
 
Sept. 16, 2020, 7 a.m. 5.8 ppb (5) 0.8 ppb (1) N/A 5.0 ppb (5) N/A N/A 7.0 ppb (5) N/A N/A 10.2 μg/m3 (42) 42.0
 
Sept. 16, 2020, 6 a.m. 4.7 ppb (4) 0.6 ppb (1) N/A 4.0 ppb (4) N/A N/A 12.0 ppb (9) N/A N/A 14.1 μg/m3 (54) 54.0
 
Sept. 16, 2020, 5 a.m. 6.3 ppb (6) 0.8 ppb (1) N/A 6.0 ppb (6) N/A N/A 12.0 ppb (9) N/A N/A 11.2 μg/m3 (47) 47.0
 
Sept. 16, 2020, 4 a.m. 8.8 ppb (8) 0.9 ppb (1) N/A 8.0 ppb (7) N/A N/A 12.0 ppb (9) N/A N/A 15.5 μg/m3 (57) 57.0
 
Sept. 16, 2020, 3 a.m. 7.3 ppb (7) 0.7 ppb (1) N/A 7.0 ppb (6) N/A N/A 20.0 ppb (15) N/A N/A 18.9 μg/m3 (65) 65.0
 
Sept. 16, 2020, 2 a.m. 8.0 ppb (7) 0.6 ppb (1) N/A 8.0 ppb (7) N/A N/A 32.0 ppb (25) N/A N/A 25.0 μg/m3 (78) 78.0
 
Sept. 16, 2020, 1 a.m. 4.1 ppb (4) 0.5 ppb (0) N/A 4.0 ppb (4) N/A N/A 43.0 ppb (33) N/A N/A 27.4 μg/m3 (83) 83.0
 
Sept. 16, 2020, midnight 3.0 ppb (3) 2.0 ppb (2) N/A 1.0 ppb (1) N/A N/A 49.0 ppb (38) N/A N/A 24.4 μg/m3 (76) 76.0
 
Sept. 15, 2020, 11 p.m. 3.4 ppb (3) 1.5 ppb (1) N/A 2.0 ppb (2) N/A N/A 64.0 ppb (49) N/A N/A 43.9 μg/m3 (121) 121.0
 
Sept. 15, 2020, 10 p.m. 6.7 ppb (6) 2.3 ppb (2) N/A 4.0 ppb (4) N/A N/A 68.0 ppb (52) N/A N/A 46.3 μg/m3 (127) 127.0
 
Sept. 15, 2020, 9 p.m. 9.9 ppb (9) 2.4 ppb (2) N/A 8.0 ppb (7) N/A N/A 61.0 ppb (47) N/A N/A 41.2 μg/m3 (114) 114.0
 
Sept. 15, 2020, 8 p.m. 10.3 ppb (10) 2.3 ppb (2) N/A 8.0 ppb (7) N/A N/A 51.0 ppb (39) N/A N/A 39.5 μg/m3 (110) 110.0
 
Sept. 15, 2020, 7 p.m. 9.8 ppb (9) 3.3 ppb (3) N/A 6.0 ppb (6) N/A N/A 42.0 ppb (32) N/A N/A 36.9 μg/m3 (104) 104.0
 
Sept. 15, 2020, 6 p.m. 9.6 ppb (9) 4.1 ppb (4) N/A 5.0 ppb (5) N/A N/A 33.0 ppb (25) N/A N/A 45.3 μg/m3 (124) 124.0
 
Sept. 15, 2020, 5 p.m. 8.7 ppb (8) 3.3 ppb (3) N/A 6.0 ppb (6) N/A N/A 23.0 ppb (18) N/A N/A 43.7 μg/m3 (120) 120.0
 
Sept. 15, 2020, 4 p.m. 10.2 ppb (9) 4.0 ppb (4) N/A 6.0 ppb (6) N/A N/A 14.0 ppb (11) N/A N/A 50.9 μg/m3 (138) 138.0
 
Sept. 15, 2020, 3 p.m. 10.5 ppb (10) 4.1 ppb (4) N/A 7.0 ppb (6) N/A N/A 8.0 ppb (6) N/A N/A 53.1 μg/m3 (144) 144.0
 
Sept. 15, 2020, 2 p.m. 11.6 ppb (11) 6.0 ppb (6) N/A 6.0 ppb (6) N/A N/A 3.0 ppb (2) N/A N/A 46.6 μg/m3 (128) 128.0
 
Sept. 15, 2020, 1 p.m. 5.1 ppb (5) 0.9 ppb (1) N/A 4.0 ppb (4) N/A N/A 4.0 ppb (3) N/A N/A 41.0 μg/m3 (114) 114.0
 
Sept. 15, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A 45.4 μg/m3 (125) 125.0
 
Sept. 15, 2020, 11 a.m. 11.3 ppb (10) 1.0 ppb (1) N/A 10.0 ppb (9) N/A N/A 8.0 ppb (6) N/A N/A 41.5 μg/m3 (115) 115.0
 
Sept. 15, 2020, 10 a.m. 8.9 ppb (8) 0.8 ppb (1) N/A 8.0 ppb (7) N/A N/A 13.0 ppb (10) N/A N/A 44.2 μg/m3 (122) 122.0
 
Sept. 15, 2020, 9 a.m. 5.2 ppb (5) 0.6 ppb (1) N/A 5.0 ppb (5) N/A N/A 20.0 ppb (15) N/A N/A 47.1 μg/m3 (129) 129.0
 
Sept. 15, 2020, 8 a.m. 3.8 ppb (4) 0.5 ppb (0) N/A 3.0 ppb (3) N/A N/A 22.0 ppb (17) N/A N/A 44.7 μg/m3 (123) 123.0
 
Sept. 15, 2020, 7 a.m. 3.2 ppb (3) 0.5 ppb (0) N/A 3.0 ppb (3) N/A N/A 23.0 ppb (18) N/A N/A 42.2 μg/m3 (117) 117.0
 
Sept. 15, 2020, 6 a.m. 4.6 ppb (4) 0.6 ppb (1) N/A 4.0 ppb (4) N/A N/A 23.0 ppb (18) N/A N/A 59.2 μg/m3 (152) 152.0
 
Sept. 15, 2020, 5 a.m. 6.5 ppb (6) 0.7 ppb (1) N/A 6.0 ppb (6) N/A N/A 24.0 ppb (18) N/A N/A 79.8 μg/m3 (163) 163.0
 
Sept. 15, 2020, 4 a.m. 5.8 ppb (5) 0.7 ppb (1) N/A 5.0 ppb (5) N/A N/A 30.0 ppb (23) N/A N/A 81.6 μg/m3 (164) 164.0
 
Sept. 15, 2020, 3 a.m. 6.3 ppb (6) 0.6 ppb (1) N/A 6.0 ppb (6) N/A N/A 36.0 ppb (28) N/A N/A 76.6 μg/m3 (161) 161.0
 
Sept. 15, 2020, 2 a.m. 5.8 ppb (5) 0.5 ppb (0) N/A 5.0 ppb (5) N/A N/A 42.0 ppb (32) N/A N/A 47.4 μg/m3 (130) 130.0
 
Sept. 15, 2020, 1 a.m. 4.7 ppb (4) 0.6 ppb (1) N/A 4.0 ppb (4) N/A N/A 49.0 ppb (38) N/A N/A 49.7 μg/m3 (136) 136.0
 
Sept. 15, 2020, midnight 3.7 ppb (3) 0.8 ppb (1) N/A 3.0 ppb (3) N/A N/A 62.0 ppb (48) N/A N/A 61.0 μg/m3 (153) 153.0
 
Sept. 14, 2020, 11 p.m. 4.1 ppb (4) 1.1 ppb (1) N/A 3.0 ppb (3) N/A N/A 69.0 ppb (53) N/A N/A 70.1 μg/m3 (158) 158.0
 
Sept. 14, 2020, 10 p.m. 4.5 ppb (4) 1.4 ppb (1) N/A 3.0 ppb (3) N/A N/A 69.0 ppb (53) N/A N/A 80.8 μg/m3 (163) 163.0
 
Sept. 14, 2020, 9 p.m. 6.1 ppb (6) 1.8 ppb (2) N/A 4.0 ppb (4) N/A N/A 70.0 ppb (54) N/A N/A 97.2 μg/m3 (172) 172.0
 
Sept. 14, 2020, 8 p.m. 5.7 ppb (5) 1.8 ppb (2) N/A 4.0 ppb (4) N/A N/A 63.0 ppb (48) N/A N/A 98.4 μg/m3 (173) 173.0
 
Sept. 14, 2020, 7 p.m. 5.7 ppb (5) 1.9 ppb (2) N/A 4.0 ppb (4) N/A N/A 54.0 ppb (42) N/A N/A 101.7 μg/m3 (174) 174.0
 
Sept. 14, 2020, 6 p.m. 7.4 ppb (7) 2.4 ppb (2) N/A 5.0 ppb (5) N/A N/A 41.0 ppb (32) N/A N/A 104.0 μg/m3 (176) 176.0
 
Sept. 14, 2020, 5 p.m. 8.3 ppb (8) 3.1 ppb (3) N/A 5.0 ppb (5) N/A N/A 28.0 ppb (22) N/A N/A 113.6 μg/m3 (181) 181.0
 
Sept. 14, 2020, 4 p.m. 7.4 ppb (7) 2.4 ppb (2) N/A 5.0 ppb (5) N/A N/A 19.0 ppb (15) N/A N/A 104.3 μg/m3 (176) 176.0
 
Sept. 14, 2020, 3 p.m. 6.1 ppb (6) 1.7 ppb (2) N/A 4.0 ppb (4) N/A N/A 16.0 ppb (12) N/A N/A 107.1 μg/m3 (177) 177.0
 
Sept. 14, 2020, 2 p.m. 6.7 ppb (6) 1.2 ppb (1) N/A 6.0 ppb (6) N/A N/A 14.0 ppb (11) N/A N/A 107.2 μg/m3 (177) 177.0
 
Sept. 14, 2020, 1 p.m. 4.5 ppb (4) 0.7 ppb (1) N/A 4.0 ppb (4) N/A N/A 17.0 ppb (13) N/A N/A 104.5 μg/m3 (176) 176.0
 
Sept. 14, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A 103.9 μg/m3 (175) 175.0
 
Sept. 14, 2020, 11 a.m. 4.7 ppb (4) 0.8 ppb (1) N/A 4.0 ppb (4) N/A N/A 21.0 ppb (16) N/A N/A 110.6 μg/m3 (179) 179.0
 
Sept. 14, 2020, 10 a.m. 3.3 ppb (3) 0.6 ppb (1) N/A 3.0 ppb (3) N/A N/A 24.0 ppb (18) N/A N/A 111.8 μg/m3 (180) 180.0
 
Sept. 14, 2020, 9 a.m. 3.2 ppb (3) 0.6 ppb (1) N/A 3.0 ppb (3) N/A N/A 25.0 ppb (19) N/A N/A 118.7 μg/m3 (183) 183.0
 
Sept. 14, 2020, 8 a.m. 2.7 ppb (3) 0.5 ppb (0) N/A 2.0 ppb (2) N/A N/A 28.0 ppb (22) N/A N/A 110.1 μg/m3 (179) 179.0
 
Sept. 14, 2020, 7 a.m. 3.2 ppb (3) 0.6 ppb (1) N/A 3.0 ppb (3) N/A N/A 27.0 ppb (21) N/A N/A 106.0 μg/m3 (177) 177.0
 
Sept. 14, 2020, 6 a.m. 4.0 ppb (4) 0.7 ppb (1) N/A 3.0 ppb (3) N/A N/A 27.0 ppb (21) N/A N/A 101.0 μg/m3 (174) 174.0
 
Sept. 14, 2020, 5 a.m. 5.1 ppb (5) 0.8 ppb (1) N/A 4.0 ppb (4) N/A N/A 26.0 ppb (20) N/A N/A 98.1 μg/m3 (172) 172.0
 
Sept. 14, 2020, 4 a.m. 5.9 ppb (5) 0.8 ppb (1) N/A 5.0 ppb (5) N/A N/A 28.0 ppb (22) N/A N/A 100.2 μg/m3 (174) 174.0
 
Sept. 14, 2020, 3 a.m. 5.8 ppb (5) 0.8 ppb (1) N/A 5.0 ppb (5) N/A N/A 32.0 ppb (25) N/A N/A 88.3 μg/m3 (167) 167.0
 
Sept. 14, 2020, 2 a.m. 6.0 ppb (6) 1.0 ppb (1) N/A 5.0 ppb (5) N/A N/A 37.0 ppb (28) N/A N/A 81.3 μg/m3 (164) 164.0
 
Sept. 14, 2020, 1 a.m. 4.9 ppb (5) 0.9 ppb (1) N/A 4.0 ppb (4) N/A N/A 49.0 ppb (38) N/A N/A 94.1 μg/m3 (170) 170.0
 
Sept. 14, 2020, midnight 4.7 ppb (4) 1.2 ppb (1) N/A 4.0 ppb (4) N/A N/A 64.0 ppb (49) N/A N/A 91.7 μg/m3 (169) 169.0
 
Sept. 13, 2020, 11 p.m. 5.1 ppb (5) 1.4 ppb (1) N/A 4.0 ppb (4) N/A N/A 75.0 ppb (58) N/A N/A 113.0 μg/m3 (180) 180.0
 
Sept. 13, 2020, 10 p.m. 5.3 ppb (5) 1.6 ppb (1) N/A 4.0 ppb (4) N/A N/A 77.0 ppb (60) N/A N/A 117.3 μg/m3 (183) 183.0
 
Sept. 13, 2020, 9 p.m. 6.9 ppb (6) 1.9 ppb (2) N/A 5.0 ppb (5) N/A N/A 81.0 ppb (63) N/A N/A 112.9 μg/m3 (180) 180.0
 
Sept. 13, 2020, 8 p.m. 6.9 ppb (6) 2.0 ppb (2) N/A 5.0 ppb (5) N/A N/A 69.0 ppb (53) N/A N/A 114.2 μg/m3 (181) 181.0
 
Sept. 13, 2020, 7 p.m. 8.9 ppb (8) 2.4 ppb (2) N/A 7.0 ppb (6) N/A N/A 49.0 ppb (38) N/A N/A 112.1 μg/m3 (180) 180.0