ID: 1496

AQSQID: 060773005

Site Name: Tracyap

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

Updated: Sept. 24, 2020, 5:39 p.m.

Location: Tracy (Carbona), CA

Reporting: True, Located: True

Current AQI: 54.0

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
Sept. 24, 2020, 3 p.m. 13.0 ppb (12) 4.6 ppb (4) N/A 8.0 ppb (7) N/A N/A 13.0 ppb (10) N/A 64.0 μg/m3 (54) 6.0 μg/m3 (25) 54.0
 
Sept. 24, 2020, 2 p.m. 4.0 ppb (4) 0.1 ppb (0) N/A 4.0 ppb (4) N/A N/A 18.0 ppb (14) N/A 9.0 μg/m3 (8) 2.0 μg/m3 (8) 14.0
 
Sept. 24, 2020, 1 p.m. 7.5 ppb (7) -0.1 ppb (0) N/A 8.0 ppb (7) N/A N/A 12.0 ppb (9) N/A 25.0 μg/m3 (23) 6.0 μg/m3 (25) 25.0
 
Sept. 24, 2020, noon 9.3 ppb (9) 0.2 ppb (0) N/A 9.0 ppb (8) N/A N/A 10.0 ppb (8) N/A 18.0 μg/m3 (16) 4.0 μg/m3 (17) 17.0
 
Sept. 24, 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) 1.0 μg/m3 (4) 13.0
 
Sept. 24, 2020, 10 a.m. 1.4 ppb (1) -0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 21.0 ppb (16) N/A 3.0 μg/m3 (3) 0.0 μg/m3 (0) 16.0
 
Sept. 24, 2020, 9 a.m. 0.7 ppb (1) -0.4 ppb (0) N/A 1.0 ppb (1) N/A N/A 22.0 ppb (17) N/A 5.0 μg/m3 (5) 1.0 μg/m3 (4) 17.0
 
Sept. 24, 2020, 8 a.m. 1.0 ppb (1) -0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A 24.0 ppb (18) N/A 9.0 μg/m3 (8) 1.0 μg/m3 (4) 18.0
 
Sept. 24, 2020, 7 a.m. 1.5 ppb (1) -0.3 ppb (0) N/A 2.0 ppb (2) N/A N/A 26.0 ppb (20) N/A 4.0 μg/m3 (4) -2.0 μg/m3 (0) 20.0
 
Sept. 24, 2020, 6 a.m. 1.2 ppb (1) -0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 26.0 ppb (20) N/A 5.0 μg/m3 (5) 3.0 μg/m3 (12) 20.0
 
Sept. 24, 2020, 5 a.m. 3.3 ppb (3) -0.2 ppb (0) N/A 4.0 ppb (4) N/A N/A 19.0 ppb (15) N/A 13.0 μg/m3 (12) 5.0 μg/m3 (21) 21.0
 
Sept. 24, 2020, 4 a.m. 3.0 ppb (3) -0.1 ppb (0) N/A 3.0 ppb (3) N/A N/A 18.0 ppb (14) N/A 13.0 μg/m3 (12) 2.0 μg/m3 (8) 14.0
 
Sept. 24, 2020, 3 a.m. 3.2 ppb (3) -0.1 ppb (0) N/A 3.0 ppb (3) N/A N/A 18.0 ppb (14) N/A 11.0 μg/m3 (10) 2.0 μg/m3 (8) 14.0
 
Sept. 24, 2020, 2 a.m. 2.0 ppb (2) -0.1 ppb (0) N/A 2.0 ppb (2) N/A N/A 19.0 ppb (15) N/A 15.0 μg/m3 (14) 1.0 μg/m3 (4) 15.0
 
Sept. 24, 2020, 1 a.m. 1.3 ppb (1) -0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 23.0 ppb (18) N/A 12.0 μg/m3 (11) 0.0 μg/m3 (0) 18.0
 
Sept. 24, 2020, midnight 1.7 ppb (2) -0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 27.0 ppb (21) N/A 14.0 μg/m3 (13) 0.0 μg/m3 (0) 21.0
 
Sept. 23, 2020, 11 p.m. 2.2 ppb (2) 0.1 ppb (0) N/A 2.0 ppb (2) N/A N/A 34.0 ppb (26) N/A 11.0 μg/m3 (10) -1.0 μg/m3 (0) 26.0
 
Sept. 23, 2020, 10 p.m. 2.5 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 36.0 ppb (28) N/A 9.0 μg/m3 (8) -2.0 μg/m3 (0) 28.0
 
Sept. 23, 2020, 9 p.m. 3.0 ppb (3) 0.2 ppb (0) N/A 3.0 ppb (3) N/A N/A 35.0 ppb (27) N/A 11.0 μg/m3 (10) N/A 27.0
 
Sept. 23, 2020, 8 p.m. 4.0 ppb (4) 0.4 ppb (0) N/A 4.0 ppb (4) N/A N/A 36.0 ppb (28) N/A 14.0 μg/m3 (13) -1.0 μg/m3 (0) 28.0
 
Sept. 23, 2020, 7 p.m. 5.0 ppb (5) 0.7 ppb (1) N/A 4.0 ppb (4) N/A N/A 35.0 ppb (27) N/A 20.0 μg/m3 (18) -1.0 μg/m3 (0) 27.0
 
Sept. 23, 2020, 6 p.m. 6.4 ppb (6) 1.2 ppb (1) N/A 5.0 ppb (5) N/A N/A 34.0 ppb (26) N/A 25.0 μg/m3 (23) 1.0 μg/m3 (4) 26.0
 
Sept. 23, 2020, 5 p.m. 12.6 ppb (12) 3.1 ppb (3) N/A 9.0 ppb (8) N/A N/A 27.0 ppb (21) N/A 52.0 μg/m3 (47) 5.0 μg/m3 (21) 47.0
 
Sept. 23, 2020, 4 p.m. 14.6 ppb (14) 4.1 ppb (4) N/A 11.0 ppb (10) N/A N/A 23.0 ppb (18) N/A 89.0 μg/m3 (67) 7.0 μg/m3 (29) 67.0
 
Sept. 23, 2020, 3 p.m. 16.8 ppb (16) 4.3 ppb (4) N/A 13.0 ppb (12) N/A N/A 18.0 ppb (14) N/A 55.0 μg/m3 (50) 6.0 μg/m3 (25) 50.0
 
Sept. 23, 2020, 2 p.m. 15.6 ppb (14) 1.5 ppb (1) N/A 14.0 ppb (13) N/A N/A 14.0 ppb (11) N/A 30.0 μg/m3 (27) 7.0 μg/m3 (29) 29.0
 
Sept. 23, 2020, 1 p.m. 19.2 ppb (18) 1.1 ppb (1) N/A 18.0 ppb (17) N/A N/A 8.0 ppb (6) N/A 37.0 μg/m3 (34) 6.0 μg/m3 (25) 34.0
 
Sept. 23, 2020, noon 8.8 ppb (8) 0.0 ppb (0) N/A 9.0 ppb (8) N/A N/A 17.0 ppb (13) N/A 19.0 μg/m3 (17) 4.0 μg/m3 (17) 17.0
 
Sept. 23, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (16) -1.0 μg/m3 (0) 16.0
 
Sept. 23, 2020, 10 a.m. 9.8 ppb (9) -0.1 ppb (0) N/A 10.0 ppb (9) N/A N/A 16.0 ppb (12) N/A 22.0 μg/m3 (20) 3.0 μg/m3 (12) 20.0
 
Sept. 23, 2020, 9 a.m. 12.0 ppb (11) -0.1 ppb (0) N/A 12.0 ppb (11) N/A N/A 16.0 ppb (12) N/A 23.0 μg/m3 (21) 6.0 μg/m3 (25) 25.0
 
Sept. 23, 2020, 8 a.m. 7.2 ppb (7) -0.1 ppb (0) N/A 7.0 ppb (6) N/A N/A 21.0 ppb (16) N/A 17.0 μg/m3 (15) 3.0 μg/m3 (12) 16.0
 
Sept. 23, 2020, 7 a.m. 2.8 ppb (3) -0.2 ppb (0) N/A 3.0 ppb (3) N/A N/A 34.0 ppb (26) N/A 12.0 μg/m3 (11) 3.0 μg/m3 (12) 26.0
 
Sept. 23, 2020, 6 a.m. 0.5 ppb (0) -0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 43.0 ppb (33) N/A 4.0 μg/m3 (4) 0.0 μg/m3 (0) 33.0
 
Sept. 23, 2020, 5 a.m. 0.4 ppb (0) -0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 44.0 ppb (34) N/A 4.0 μg/m3 (4) N/A 34.0
 
Sept. 23, 2020, 4 a.m. 0.6 ppb (1) -0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A 44.0 ppb (34) N/A 7.0 μg/m3 (6) N/A 34.0
 
Sept. 23, 2020, 3 a.m. 0.7 ppb (1) -0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A 43.0 ppb (33) N/A 3.0 μg/m3 (3) 1.0 μg/m3 (4) 33.0
 
Sept. 23, 2020, 2 a.m. 1.0 ppb (1) -0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A 42.0 ppb (32) N/A 4.0 μg/m3 (4) 0.0 μg/m3 (0) 32.0
 
Sept. 23, 2020, 1 a.m. 1.6 ppb (1) -0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 42.0 ppb (32) N/A 12.0 μg/m3 (11) -1.0 μg/m3 (0) 32.0
 
Sept. 23, 2020, midnight 1.4 ppb (1) -0.1 ppb (0) N/A 2.0 ppb (2) N/A N/A 46.0 ppb (35) N/A 7.0 μg/m3 (6) 0.0 μg/m3 (0) 35.0
 
Sept. 22, 2020, 11 p.m. 2.2 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 48.0 ppb (37) N/A 15.0 μg/m3 (14) 1.0 μg/m3 (4) 37.0
 
Sept. 22, 2020, 10 p.m. 2.3 ppb (2) 0.1 ppb (0) N/A 2.0 ppb (2) N/A N/A 49.0 ppb (38) N/A 15.0 μg/m3 (14) 0.0 μg/m3 (0) 38.0
 
Sept. 22, 2020, 9 p.m. 2.1 ppb (2) 0.1 ppb (0) N/A 2.0 ppb (2) N/A N/A 49.0 ppb (38) N/A 14.0 μg/m3 (13) 1.0 μg/m3 (4) 38.0
 
Sept. 22, 2020, 8 p.m. 2.4 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 45.0 ppb (35) N/A 12.0 μg/m3 (11) 2.0 μg/m3 (8) 35.0
 
Sept. 22, 2020, 7 p.m. 2.8 ppb (3) 0.2 ppb (0) N/A 3.0 ppb (3) N/A N/A 44.0 ppb (34) N/A 8.0 μg/m3 (7) 3.0 μg/m3 (12) 34.0
 
Sept. 22, 2020, 6 p.m. 6.6 ppb (6) 1.1 ppb (1) N/A 5.0 ppb (5) N/A N/A 38.0 ppb (29) N/A 9.0 μg/m3 (8) 7.0 μg/m3 (29) 29.0
 
Sept. 22, 2020, 5 p.m. 14.2 ppb (13) 3.9 ppb (4) N/A 10.0 ppb (9) N/A N/A 25.0 ppb (19) N/A 32.0 μg/m3 (29) 14.0 μg/m3 (54) 54.0
 
Sept. 22, 2020, 4 p.m. 15.8 ppb (15) 5.1 ppb (5) N/A 11.0 ppb (10) N/A N/A 19.0 ppb (15) N/A 42.0 μg/m3 (38) 13.0 μg/m3 (52) 52.0
 
Sept. 22, 2020, 3 p.m. 18.2 ppb (17) 6.2 ppb (6) N/A 12.0 ppb (11) N/A N/A 12.0 ppb (9) N/A 97.0 μg/m3 (71) 16.0 μg/m3 (59) 71.0
 
Sept. 22, 2020, 2 p.m. 16.6 ppb (15) 2.9 ppb (3) N/A 14.0 ppb (13) N/A N/A 9.0 ppb (7) N/A 59.0 μg/m3 (52) 10.0 μg/m3 (42) 52.0
 
Sept. 22, 2020, 1 p.m. 17.2 ppb (16) 2.3 ppb (2) N/A 15.0 ppb (14) N/A N/A 5.0 ppb (4) N/A 33.0 μg/m3 (30) 8.0 μg/m3 (33) 33.0
 
Sept. 22, 2020, noon 9.2 ppb (9) 0.3 ppb (0) N/A 9.0 ppb (8) N/A N/A 11.0 ppb (8) N/A 28.0 μg/m3 (25) 13.0 μg/m3 (52) 52.0
 
Sept. 22, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 37.0 μg/m3 (34) 9.0 μg/m3 (38) 38.0
 
Sept. 22, 2020, 10 a.m. 7.5 ppb (7) -0.1 ppb (0) N/A 8.0 ppb (7) N/A N/A 14.0 ppb (11) N/A 35.0 μg/m3 (32) 13.0 μg/m3 (52) 52.0
 
Sept. 22, 2020, 9 a.m. 7.9 ppb (7) -0.1 ppb (0) N/A 8.0 ppb (7) N/A N/A 15.0 ppb (12) N/A 37.0 μg/m3 (34) 13.0 μg/m3 (52) 52.0
 
Sept. 22, 2020, 8 a.m. 1.3 ppb (1) -0.3 ppb (0) N/A 2.0 ppb (2) N/A N/A 25.0 ppb (19) N/A 6.0 μg/m3 (5) 2.0 μg/m3 (8) 19.0
 
Sept. 22, 2020, 7 a.m. 0.3 ppb (0) -0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A 27.0 ppb (21) N/A 2.0 μg/m3 (2) 2.0 μg/m3 (8) 21.0
 
Sept. 22, 2020, 6 a.m. 0.5 ppb (0) -0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 25.0 ppb (19) N/A 3.0 μg/m3 (3) 1.0 μg/m3 (4) 19.0
 
Sept. 22, 2020, 5 a.m. 0.6 ppb (1) -0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 25.0 ppb (19) N/A 8.0 μg/m3 (7) 4.0 μg/m3 (17) 19.0
 
Sept. 22, 2020, 4 a.m. 0.5 ppb (0) -0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A 32.0 ppb (25) N/A 44.0 μg/m3 (40) 9.0 μg/m3 (38) 40.0
 
Sept. 22, 2020, 3 a.m. 0.8 ppb (1) -0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A 40.0 ppb (31) N/A 51.0 μg/m3 (46) 11.0 μg/m3 (46) 46.0
 
Sept. 22, 2020, 2 a.m. 1.3 ppb (1) -0.3 ppb (0) N/A 2.0 ppb (2) N/A N/A 45.0 ppb (35) N/A 44.0 μg/m3 (40) 17.0 μg/m3 (61) 61.0
 
Sept. 22, 2020, 1 a.m. 1.4 ppb (1) -0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 50.0 ppb (38) N/A 32.0 μg/m3 (29) 19.0 μg/m3 (65) 65.0
 
Sept. 22, 2020, midnight 2.1 ppb (2) -0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 55.0 ppb (42) N/A 22.0 μg/m3 (20) 17.0 μg/m3 (61) 61.0
 
Sept. 21, 2020, 11 p.m. 2.7 ppb (3) -0.1 ppb (0) N/A 3.0 ppb (3) N/A N/A 59.0 ppb (45) N/A 34.0 μg/m3 (31) 20.0 μg/m3 (67) 67.0
 
Sept. 21, 2020, 10 p.m. 3.9 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A N/A 71.0 ppb (55) N/A 68.0 μg/m3 (56) 26.0 μg/m3 (80) 80.0
 
Sept. 21, 2020, 9 p.m. 4.3 ppb (4) 0.1 ppb (0) N/A 4.0 ppb (4) N/A N/A 68.0 ppb (52) N/A 64.0 μg/m3 (54) 34.0 μg/m3 (97) 97.0
 
Sept. 21, 2020, 8 p.m. 4.4 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A N/A 63.0 ppb (48) N/A 59.0 μg/m3 (52) 27.0 μg/m3 (82) 82.0
 
Sept. 21, 2020, 7 p.m. 4.9 ppb (5) 0.2 ppb (0) N/A 5.0 ppb (5) N/A N/A 57.0 ppb (44) N/A 56.0 μg/m3 (50) 29.0 μg/m3 (86) 86.0
 
Sept. 21, 2020, 6 p.m. 9.4 ppb (9) 1.1 ppb (1) N/A 8.0 ppb (7) N/A N/A 48.0 ppb (37) N/A 71.0 μg/m3 (58) 35.0 μg/m3 (99) 99.0
 
Sept. 21, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 61.0 μg/m3 (53) 33.0 μg/m3 (95) 95.0
 
Sept. 21, 2020, 4 p.m. 23.0 ppb (21) 5.4 ppb (5) N/A 18.0 ppb (17) N/A N/A 26.0 ppb (20) N/A 76.0 μg/m3 (60) 25.0 μg/m3 (78) 78.0
 
Sept. 21, 2020, 3 p.m. 24.9 ppb (23) 5.0 ppb (5) N/A 20.0 ppb (19) N/A N/A 21.0 ppb (16) N/A 67.0 μg/m3 (56) 31.0 μg/m3 (90) 90.0
 
Sept. 21, 2020, 2 p.m. 8.6 ppb (8) 0.1 ppb (0) N/A 9.0 ppb (8) N/A N/A 32.0 ppb (25) N/A 42.0 μg/m3 (38) 32.0 μg/m3 (93) 93.0
 
Sept. 21, 2020, 1 p.m. 7.8 ppb (7) -0.2 ppb (0) N/A 8.0 ppb (7) N/A N/A 31.0 ppb (24) N/A 37.0 μg/m3 (34) 28.0 μg/m3 (84) 84.0
 
Sept. 21, 2020, noon 6.0 ppb (6) -0.1 ppb (0) N/A 6.0 ppb (6) N/A N/A 34.0 ppb (26) N/A 39.0 μg/m3 (35) 35.0 μg/m3 (99) 99.0
 
Sept. 21, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 37.0 μg/m3 (34) 32.0 μg/m3 (93) 93.0
 
Sept. 21, 2020, 10 a.m. 1.8 ppb (2) -0.3 ppb (0) N/A 2.0 ppb (2) N/A N/A 40.0 ppb (31) N/A 38.0 μg/m3 (35) 34.0 μg/m3 (97) 97.0
 
Sept. 21, 2020, 9 a.m. 1.6 ppb (1) -0.3 ppb (0) N/A 2.0 ppb (2) N/A N/A 41.0 ppb (32) N/A 34.0 μg/m3 (31) 26.0 μg/m3 (80) 80.0
 
Sept. 21, 2020, 8 a.m. 2.6 ppb (2) -0.2 ppb (0) N/A 3.0 ppb (3) N/A N/A 40.0 ppb (31) N/A 34.0 μg/m3 (31) 31.0 μg/m3 (90) 90.0
 
Sept. 21, 2020, 7 a.m. 6.2 ppb (6) -0.1 ppb (0) N/A 6.0 ppb (6) N/A N/A 31.0 ppb (24) N/A 46.0 μg/m3 (42) 28.0 μg/m3 (84) 84.0
 
Sept. 21, 2020, 6 a.m. 4.3 ppb (4) -0.2 ppb (0) N/A 5.0 ppb (5) N/A N/A 37.0 ppb (28) N/A 37.0 μg/m3 (34) 28.0 μg/m3 (84) 84.0
 
Sept. 21, 2020, 5 a.m. 1.9 ppb (2) -0.1 ppb (0) N/A 2.0 ppb (2) N/A N/A 43.0 ppb (33) N/A 33.0 μg/m3 (30) 29.0 μg/m3 (86) 86.0
 
Sept. 21, 2020, 4 a.m. 2.6 ppb (2) -0.2 ppb (0) N/A 3.0 ppb (3) N/A N/A 44.0 ppb (34) N/A 38.0 μg/m3 (35) 28.0 μg/m3 (84) 84.0
 
Sept. 21, 2020, 3 a.m. 3.2 ppb (3) -0.2 ppb (0) N/A 3.0 ppb (3) N/A N/A 44.0 ppb (34) N/A 48.0 μg/m3 (44) 33.0 μg/m3 (95) 95.0
 
Sept. 21, 2020, 2 a.m. 4.1 ppb (4) -0.2 ppb (0) N/A 4.0 ppb (4) N/A N/A 40.0 ppb (31) N/A 51.0 μg/m3 (46) 35.0 μg/m3 (99) 99.0
 
Sept. 21, 2020, 1 a.m. 2.7 ppb (3) -0.2 ppb (0) N/A 3.0 ppb (3) N/A N/A 52.0 ppb (40) N/A 50.0 μg/m3 (45) 37.0 μg/m3 (104) 104.0
 
Sept. 21, 2020, midnight 2.4 ppb (2) -0.1 ppb (0) N/A 3.0 ppb (3) N/A N/A 50.0 ppb (38) N/A 39.0 μg/m3 (35) 23.0 μg/m3 (73) 73.0
 
Sept. 20, 2020, 11 p.m. 2.5 ppb (2) 0.0 ppb (0) N/A 3.0 ppb (3) N/A N/A 50.0 ppb (38) N/A 36.0 μg/m3 (33) 21.0 μg/m3 (69) 69.0
 
Sept. 20, 2020, 10 p.m. 2.5 ppb (2) 0.0 ppb (0) N/A 3.0 ppb (3) N/A N/A 46.0 ppb (35) N/A 35.0 μg/m3 (32) 23.0 μg/m3 (73) 73.0
 
Sept. 20, 2020, 9 p.m. 2.8 ppb (3) 0.1 ppb (0) N/A 3.0 ppb (3) N/A N/A 44.0 ppb (34) N/A 34.0 μg/m3 (31) 20.0 μg/m3 (67) 67.0
 
Sept. 20, 2020, 8 p.m. 3.2 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A N/A 45.0 ppb (35) N/A 32.0 μg/m3 (29) 21.0 μg/m3 (69) 69.0
 
Sept. 20, 2020, 7 p.m. 3.7 ppb (3) 0.2 ppb (0) N/A 3.0 ppb (3) N/A N/A 43.0 ppb (33) N/A 36.0 μg/m3 (33) 22.0 μg/m3 (71) 71.0
 
Sept. 20, 2020, 6 p.m. 3.5 ppb (3) 0.2 ppb (0) N/A 3.0 ppb (3) N/A N/A 41.0 ppb (32) N/A 33.0 μg/m3 (30) 24.0 μg/m3 (76) 76.0
 
Sept. 20, 2020, 5 p.m. 3.6 ppb (3) 0.2 ppb (0) N/A 3.0 ppb (3) N/A N/A 38.0 ppb (29) N/A 36.0 μg/m3 (33) 22.0 μg/m3 (71) 71.0
 
Sept. 20, 2020, 4 p.m. 4.0 ppb (4) 0.2 ppb (0) N/A 4.0 ppb (4) N/A N/A 35.0 ppb (27) N/A 32.0 μg/m3 (29) 30.0 μg/m3 (88) 88.0
 
Sept. 20, 2020, 3 p.m. 4.6 ppb (4) 0.4 ppb (0) N/A 4.0 ppb (4) N/A N/A 30.0 ppb (23) N/A 32.0 μg/m3 (29) 18.0 μg/m3 (63) 63.0
 
Sept. 20, 2020, 2 p.m. 10.7 ppb (10) 0.5 ppb (0) N/A 10.0 ppb (9) N/A N/A 19.0 ppb (15) N/A 33.0 μg/m3 (30) 26.0 μg/m3 (80) 80.0
 
Sept. 20, 2020, 1 p.m. 6.3 ppb (6) 0.0 ppb (0) N/A 6.0 ppb (6) N/A N/A 15.0 ppb (12) N/A 35.0 μg/m3 (32) 14.0 μg/m3 (54) 54.0
 
Sept. 20, 2020, noon 3.0 ppb (3) -0.1 ppb (0) N/A 3.0 ppb (3) N/A N/A 23.0 ppb (18) N/A 31.0 μg/m3 (28) 22.0 μg/m3 (71) 71.0
 
Sept. 20, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 32.0 μg/m3 (29) 20.0 μg/m3 (67) 67.0
 
Sept. 20, 2020, 10 a.m. 0.8 ppb (1) -0.4 ppb (0) N/A 1.0 ppb (1) N/A N/A 35.0 ppb (27) N/A 26.0 μg/m3 (24) 20.0 μg/m3 (67) 67.0
 
Sept. 20, 2020, 9 a.m. 1.4 ppb (1) -0.3 ppb (0) N/A 2.0 ppb (2) N/A N/A 36.0 ppb (28) N/A 30.0 μg/m3 (27) 21.0 μg/m3 (69) 69.0
 
Sept. 20, 2020, 8 a.m. 1.6 ppb (1) -0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 36.0 ppb (28) N/A 28.0 μg/m3 (25) 23.0 μg/m3 (73) 73.0
 
Sept. 20, 2020, 7 a.m. 1.4 ppb (1) -0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 36.0 ppb (28) N/A 22.0 μg/m3 (20) 11.0 μg/m3 (46) 46.0
 
Sept. 20, 2020, 6 a.m. 1.6 ppb (1) -0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 35.0 ppb (27) N/A 24.0 μg/m3 (22) 9.0 μg/m3 (38) 38.0
 
Sept. 20, 2020, 5 a.m. 2.8 ppb (3) -0.2 ppb (0) N/A 3.0 ppb (3) N/A N/A 37.0 ppb (28) N/A 27.0 μg/m3 (25) 20.0 μg/m3 (67) 67.0
 
Sept. 20, 2020, 4 a.m. 3.3 ppb (3) -0.1 ppb (0) N/A 3.0 ppb (3) N/A N/A 37.0 ppb (28) N/A 28.0 μg/m3 (25) 17.0 μg/m3 (61) 61.0
 
Sept. 20, 2020, 3 a.m. 3.6 ppb (3) -0.2 ppb (0) N/A 4.0 ppb (4) N/A N/A 38.0 ppb (29) N/A 33.0 μg/m3 (30) 15.0 μg/m3 (56) 56.0
 
Sept. 20, 2020, 2 a.m. 3.5 ppb (3) -0.2 ppb (0) N/A 4.0 ppb (4) N/A N/A 40.0 ppb (31) N/A 39.0 μg/m3 (35) 19.0 μg/m3 (65) 65.0
 
Sept. 20, 2020, 1 a.m. 2.2 ppb (2) -0.1 ppb (0) N/A 2.0 ppb (2) N/A N/A 46.0 ppb (35) N/A 35.0 μg/m3 (32) 15.0 μg/m3 (56) 56.0
 
Sept. 20, 2020, midnight 2.2 ppb (2) -0.1 ppb (0) N/A 2.0 ppb (2) N/A N/A 48.0 ppb (37) N/A 24.0 μg/m3 (22) 14.0 μg/m3 (54) 54.0
 
Sept. 19, 2020, 11 p.m. 2.6 ppb (2) 0.1 ppb (0) N/A 3.0 ppb (3) N/A N/A 46.0 ppb (35) N/A 21.0 μg/m3 (19) 10.0 μg/m3 (42) 42.0
 
Sept. 19, 2020, 10 p.m. 2.9 ppb (3) 0.2 ppb (0) N/A 3.0 ppb (3) N/A N/A 41.0 ppb (32) N/A 17.0 μg/m3 (15) 8.0 μg/m3 (33) 33.0
 
Sept. 19, 2020, 9 p.m. 3.2 ppb (3) 0.3 ppb (0) N/A 3.0 ppb (3) N/A N/A 38.0 ppb (29) N/A 18.0 μg/m3 (16) 8.0 μg/m3 (33) 33.0
 
Sept. 19, 2020, 8 p.m. 3.7 ppb (3) 0.3 ppb (0) N/A 3.0 ppb (3) N/A N/A 38.0 ppb (29) N/A 19.0 μg/m3 (17) 7.0 μg/m3 (29) 29.0
 
Sept. 19, 2020, 7 p.m. 4.2 ppb (4) 0.5 ppb (0) N/A 4.0 ppb (4) N/A N/A 37.0 ppb (28) N/A 20.0 μg/m3 (18) 9.0 μg/m3 (38) 38.0
 
Sept. 19, 2020, 6 p.m. 4.8 ppb (4) 0.7 ppb (1) N/A 4.0 ppb (4) N/A N/A 34.0 ppb (26) N/A 19.0 μg/m3 (17) 10.0 μg/m3 (42) 42.0
 
Sept. 19, 2020, 5 p.m. 4.4 ppb (4) 0.7 ppb (1) N/A 4.0 ppb (4) N/A N/A 32.0 ppb (25) N/A 19.0 μg/m3 (17) 11.0 μg/m3 (46) 46.0
 
Sept. 19, 2020, 4 p.m. 3.6 ppb (3) 0.5 ppb (0) N/A 3.0 ppb (3) N/A N/A 31.0 ppb (24) N/A 21.0 μg/m3 (19) 18.0 μg/m3 (63) 63.0
 
Sept. 19, 2020, 3 p.m. 3.7 ppb (3) 0.5 ppb (0) N/A 3.0 ppb (3) N/A N/A 29.0 ppb (22) N/A 15.0 μg/m3 (14) 6.0 μg/m3 (25) 25.0
 
Sept. 19, 2020, 2 p.m. 2.1 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 29.0 ppb (22) N/A 10.0 μg/m3 (9) 2.0 μg/m3 (8) 22.0
 
Sept. 19, 2020, 1 p.m. 1.7 ppb (2) -0.1 ppb (0) N/A 2.0 ppb (2) N/A N/A 30.0 ppb (23) N/A 6.0 μg/m3 (5) 2.0 μg/m3 (8) 23.0
 
Sept. 19, 2020, 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
 
Sept. 19, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (4) 3.0 μg/m3 (12) 12.0
 
Sept. 19, 2020, 10 a.m. 0.7 ppb (1) -0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A 31.0 ppb (24) N/A 5.0 μg/m3 (5) 5.0 μg/m3 (21) 24.0
 
Sept. 19, 2020, 9 a.m. 1.1 ppb (1) -0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 29.0 ppb (22) N/A 8.0 μg/m3 (7) 4.0 μg/m3 (17) 22.0
 
Sept. 19, 2020, 8 a.m. 1.0 ppb (1) -0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 30.0 ppb (23) N/A 8.0 μg/m3 (7) 5.0 μg/m3 (21) 23.0
 
Sept. 19, 2020, 7 a.m. 0.9 ppb (1) -0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 30.0 ppb (23) N/A 7.0 μg/m3 (6) 8.0 μg/m3 (33) 33.0
 
Sept. 19, 2020, 6 a.m. 1.0 ppb (1) -0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 30.0 ppb (23) N/A 14.0 μg/m3 (13) 4.0 μg/m3 (17) 23.0
 
Sept. 19, 2020, 5 a.m. 1.0 ppb (1) -0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 30.0 ppb (23) N/A 11.0 μg/m3 (10) 7.0 μg/m3 (29) 29.0
 
Sept. 19, 2020, 4 a.m. 1.0 ppb (1) -0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 31.0 ppb (24) N/A 13.0 μg/m3 (12) 10.0 μg/m3 (42) 42.0
 
Sept. 19, 2020, 3 a.m. 1.7 ppb (2) -0.3 ppb (0) N/A 2.0 ppb (2) N/A N/A 32.0 ppb (25) N/A 18.0 μg/m3 (16) 10.0 μg/m3 (42) 42.0
 
Sept. 19, 2020, 2 a.m. 2.6 ppb (2) -0.3 ppb (0) N/A 3.0 ppb (3) N/A N/A 34.0 ppb (26) N/A 23.0 μg/m3 (21) 12.0 μg/m3 (50) 50.0
 
Sept. 19, 2020, 1 a.m. 2.4 ppb (2) -0.1 ppb (0) N/A 3.0 ppb (3) N/A N/A 39.0 ppb (30) N/A 22.0 μg/m3 (20) 9.0 μg/m3 (38) 38.0
 
Sept. 19, 2020, midnight 2.3 ppb (2) -0.1 ppb (0) N/A 2.0 ppb (2) N/A N/A 42.0 ppb (32) N/A 35.0 μg/m3 (32) 9.0 μg/m3 (38) 38.0
 
Sept. 18, 2020, 11 p.m. 2.8 ppb (3) 0.1 ppb (0) N/A 3.0 ppb (3) N/A N/A 43.0 ppb (33) N/A 25.0 μg/m3 (23) 8.0 μg/m3 (33) 33.0
 
Sept. 18, 2020, 10 p.m. 3.2 ppb (3) 0.2 ppb (0) N/A 3.0 ppb (3) N/A N/A 45.0 ppb (35) N/A 15.0 μg/m3 (14) 1.0 μg/m3 (4) 35.0
 
Sept. 18, 2020, 9 p.m. 3.4 ppb (3) 0.3 ppb (0) N/A 3.0 ppb (3) N/A N/A 41.0 ppb (32) N/A 6.0 μg/m3 (5) 0.0 μg/m3 (0) 32.0
 
Sept. 18, 2020, 8 p.m. 4.4 ppb (4) 0.4 ppb (0) N/A 4.0 ppb (4) N/A N/A 40.0 ppb (31) N/A 6.0 μg/m3 (5) 0.0 μg/m3 (0) 31.0
 
Sept. 18, 2020, 7 p.m. 4.9 ppb (5) 0.6 ppb (1) N/A 4.0 ppb (4) N/A N/A 36.0 ppb (28) N/A 10.0 μg/m3 (9) 2.0 μg/m3 (8) 28.0
 
Sept. 18, 2020, 6 p.m. 5.3 ppb (5) 0.7 ppb (1) N/A 5.0 ppb (5) N/A N/A 33.0 ppb (25) N/A 12.0 μg/m3 (11) 4.0 μg/m3 (17) 25.0
 
Sept. 18, 2020, 5 p.m. 3.3 ppb (3) 0.3 ppb (0) N/A 3.0 ppb (3) N/A N/A 32.0 ppb (25) N/A 13.0 μg/m3 (12) 4.0 μg/m3 (17) 25.0
 
Sept. 18, 2020, 4 p.m. 3.6 ppb (3) 0.4 ppb (0) N/A 3.0 ppb (3) N/A N/A 30.0 ppb (23) N/A 12.0 μg/m3 (11) 4.0 μg/m3 (17) 23.0
 
Sept. 18, 2020, 3 p.m. 2.9 ppb (3) 0.1 ppb (0) N/A 3.0 ppb (3) N/A N/A 28.0 ppb (22) N/A 10.0 μg/m3 (9) 6.0 μg/m3 (25) 25.0
 
Sept. 18, 2020, 2 p.m. 3.7 ppb (3) 0.0 ppb (0) N/A 4.0 ppb (4) N/A N/A 27.0 ppb (21) N/A 18.0 μg/m3 (16) 8.0 μg/m3 (33) 33.0
 
Sept. 18, 2020, 1 p.m. 2.6 ppb (2) -0.1 ppb (0) N/A 3.0 ppb (3) N/A N/A 27.0 ppb (21) N/A 14.0 μg/m3 (13) 6.0 μg/m3 (25) 25.0
 
Sept. 18, 2020, noon 2.0 ppb (2) -0.1 ppb (0) N/A 2.0 ppb (2) N/A N/A 26.0 ppb (20) N/A 8.0 μg/m3 (7) 9.0 μg/m3 (38) 38.0
 
Sept. 18, 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) 8.0 μg/m3 (33) 33.0
 
Sept. 18, 2020, 10 a.m. 1.2 ppb (1) -0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 23.0 ppb (18) N/A 11.0 μg/m3 (10) 7.0 μg/m3 (29) 29.0
 
Sept. 18, 2020, 9 a.m. 3.3 ppb (3) -0.1 ppb (0) N/A 3.0 ppb (3) N/A N/A 20.0 ppb (15) N/A 21.0 μg/m3 (19) 6.0 μg/m3 (25) 25.0
 
Sept. 18, 2020, 8 a.m. 3.6 ppb (3) -0.1 ppb (0) N/A 4.0 ppb (4) N/A N/A 22.0 ppb (17) N/A 23.0 μg/m3 (21) 8.0 μg/m3 (33) 33.0
 
Sept. 18, 2020, 7 a.m. 2.3 ppb (2) -0.2 ppb (0) N/A 3.0 ppb (3) N/A N/A 26.0 ppb (20) N/A 16.0 μg/m3 (15) 4.0 μg/m3 (17) 20.0
 
Sept. 18, 2020, 6 a.m. 1.2 ppb (1) -0.3 ppb (0) N/A 2.0 ppb (2) N/A N/A 30.0 ppb (23) N/A 13.0 μg/m3 (12) 6.0 μg/m3 (25) 25.0
 
Sept. 18, 2020, 5 a.m. 1.3 ppb (1) -0.3 ppb (0) N/A 2.0 ppb (2) N/A N/A 32.0 ppb (25) N/A 13.0 μg/m3 (12) 10.0 μg/m3 (42) 42.0
 
Sept. 18, 2020, 4 a.m. 0.8 ppb (1) -0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A 36.0 ppb (28) N/A 18.0 μg/m3 (16) 6.0 μg/m3 (25) 28.0
 
Sept. 18, 2020, 3 a.m. 1.4 ppb (1) -0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 35.0 ppb (27) N/A 35.0 μg/m3 (32) 5.0 μg/m3 (21) 32.0
 
Sept. 18, 2020, 2 a.m. 1.3 ppb (1) -0.4 ppb (0) N/A 2.0 ppb (2) N/A N/A 34.0 ppb (26) N/A 18.0 μg/m3 (16) 3.0 μg/m3 (12) 26.0
 
Sept. 18, 2020, 1 a.m. 2.3 ppb (2) -0.1 ppb (0) N/A 2.0 ppb (2) N/A N/A 32.0 ppb (25) N/A 23.0 μg/m3 (21) 2.0 μg/m3 (8) 25.0
 
Sept. 18, 2020, midnight 2.7 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A N/A 34.0 ppb (26) N/A 13.0 μg/m3 (12) 1.0 μg/m3 (4) 26.0
 
Sept. 17, 2020, 11 p.m. 3.5 ppb (3) 0.2 ppb (0) N/A 3.0 ppb (3) N/A N/A 37.0 ppb (28) N/A 22.0 μg/m3 (20) 4.0 μg/m3 (17) 28.0
 
Sept. 17, 2020, 10 p.m. 4.8 ppb (4) 0.4 ppb (0) N/A 4.0 ppb (4) N/A N/A 39.0 ppb (30) N/A 30.0 μg/m3 (27) 7.0 μg/m3 (29) 30.0
 
Sept. 17, 2020, 9 p.m. 5.7 ppb (5) 0.7 ppb (1) N/A 5.0 ppb (5) N/A N/A 36.0 ppb (28) N/A 29.0 μg/m3 (26) 9.0 μg/m3 (38) 38.0
 
Sept. 17, 2020, 8 p.m. 6.8 ppb (6) 0.9 ppb (1) N/A 6.0 ppb (6) N/A N/A 33.0 ppb (25) N/A 24.0 μg/m3 (22) 6.0 μg/m3 (25) 25.0
 
Sept. 17, 2020, 7 p.m. 12.5 ppb (12) 2.8 ppb (3) N/A 10.0 ppb (9) N/A N/A 25.0 ppb (19) N/A 30.0 μg/m3 (27) 7.0 μg/m3 (29) 29.0
 
Sept. 17, 2020, 6 p.m. 18.3 ppb (17) 6.1 ppb (6) N/A 12.0 ppb (11) N/A N/A 18.0 ppb (14) N/A 35.0 μg/m3 (32) 12.0 μg/m3 (50) 50.0
 
Sept. 17, 2020, 5 p.m. 16.7 ppb (15) 6.0 ppb (6) N/A 11.0 ppb (10) N/A N/A 13.0 ppb (10) N/A 51.0 μg/m3 (46) 10.0 μg/m3 (42) 46.0
 
Sept. 17, 2020, 4 p.m. 16.5 ppb (15) 5.4 ppb (5) N/A 11.0 ppb (10) N/A N/A 12.0 ppb (9) N/A 72.0 μg/m3 (58) 12.0 μg/m3 (50) 58.0