AQSQID: 060670010

Site Name: Sacramento - T Street

Location: Sacramento, CA

Reporting: True, Located: True

Current AQI: 10.0

Sacramento CA, US: 38.56844, -121.49311

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Sept. 17, 2019, 7 a.m. 7.6 ppb (7) 0.4 ppb (0) N/A 7.0 ppb (6) N/A N/A 11.0 ppb (8) N/A 11.0 μg/m3 (10) 0.0 μg/m3 (0) 10.0
 
Sept. 17, 2019, 6 a.m. 7.2 ppb (7) 0.5 ppb (0) N/A 7.0 ppb (6) N/A N/A 13.0 ppb (10) N/A 11.0 μg/m3 (10) 3.0 μg/m3 (12) 12.0
 
Sept. 17, 2019, 5 a.m. 6.8 ppb (6) 0.4 ppb (0) N/A 6.0 ppb (6) N/A N/A 15.0 ppb (12) N/A 15.0 μg/m3 (14) 4.0 μg/m3 (17) 17.0
 
Sept. 17, 2019, 4 a.m. 7.2 ppb (7) 0.4 ppb (0) N/A 7.0 ppb (6) N/A N/A 16.0 ppb (12) N/A 17.0 μg/m3 (15) 4.0 μg/m3 (17) 17.0
 
Sept. 17, 2019, 3 a.m. 7.2 ppb (7) 0.4 ppb (0) N/A 7.0 ppb (6) N/A N/A 18.0 ppb (14) N/A 11.0 μg/m3 (10) 3.0 μg/m3 (12) 14.0
 
Sept. 17, 2019, 2 a.m. 5.0 ppb (5) 0.4 ppb (0) N/A 5.0 ppb (5) N/A N/A 23.0 ppb (18) N/A 12.0 μg/m3 (11) 4.0 μg/m3 (17) 18.0
 
Sept. 17, 2019, 1 a.m. 5.1 ppb (5) 0.6 ppb (1) N/A 5.0 ppb (5) N/A N/A 29.0 ppb (22) N/A 9.0 μg/m3 (8) 4.0 μg/m3 (17) 22.0
 
Sept. 17, 2019, midnight 2.8 ppb (3) 0.6 ppb (1) N/A 2.0 ppb (2) N/A N/A 33.0 ppb (25) N/A 10.0 μg/m3 (9) 3.0 μg/m3 (12) 25.0
 
Sept. 16, 2019, 11 p.m. 4.9 ppb (5) 1.0 ppb (1) N/A 4.0 ppb (4) N/A N/A 34.0 ppb (26) N/A 10.0 μg/m3 (9) 3.0 μg/m3 (12) 26.0
 
Sept. 16, 2019, 10 p.m. 7.4 ppb (7) 1.6 ppb (1) N/A 6.0 ppb (6) N/A N/A 34.0 ppb (26) N/A 14.0 μg/m3 (13) 3.0 μg/m3 (12) 26.0
 
Sept. 16, 2019, 9 p.m. 5.2 ppb (5) 1.0 ppb (1) N/A 4.0 ppb (4) N/A N/A 33.0 ppb (25) N/A 22.0 μg/m3 (20) 3.0 μg/m3 (12) 25.0
 
Sept. 16, 2019, 8 p.m. 2.8 ppb (3) 0.7 ppb (1) N/A 2.0 ppb (2) N/A N/A 34.0 ppb (26) N/A 7.0 μg/m3 (6) 2.0 μg/m3 (8) 26.0
 
Sept. 16, 2019, 7 p.m. 4.4 ppb (4) 1.2 ppb (1) N/A 3.0 ppb (3) N/A N/A 33.0 ppb (25) N/A 8.0 μg/m3 (7) 2.0 μg/m3 (8) 25.0
 
Sept. 16, 2019, 6 p.m. 6.0 ppb (6) 1.9 ppb (2) N/A 4.0 ppb (4) N/A N/A 27.0 ppb (21) N/A 12.0 μg/m3 (11) -2.0 μg/m3 (0) 21.0
 
Sept. 16, 2019, 5 p.m. 7.6 ppb (7) 1.9 ppb (2) N/A 6.0 ppb (6) N/A N/A 21.0 ppb (16) N/A 3.0 μg/m3 (3) -2.0 μg/m3 (0) 16.0
 
Sept. 16, 2019, 4 p.m. 6.1 ppb (6) 1.0 ppb (1) N/A 5.0 ppb (5) N/A N/A 23.0 ppb (18) N/A 3.0 μg/m3 (3) -1.0 μg/m3 (0) 18.0
 
Sept. 16, 2019, 3 p.m. 5.4 ppb (5) 1.0 ppb (1) N/A 4.0 ppb (4) N/A N/A 19.0 ppb (15) N/A 16.0 μg/m3 (15) 0.0 μg/m3 (0) 15.0
 
Sept. 16, 2019, 2 p.m. 6.2 ppb (6) 1.0 ppb (1) N/A 5.0 ppb (5) N/A N/A 16.0 ppb (12) N/A 5.0 μg/m3 (5) 0.0 μg/m3 (0) 12.0
 
Sept. 16, 2019, 1 p.m. 5.4 ppb (5) 0.6 ppb (1) N/A 5.0 ppb (5) N/A N/A 17.0 ppb (13) N/A 7.0 μg/m3 (6) 2.0 μg/m3 (8) 13.0
 
Sept. 16, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (6) 4.0 μg/m3 (17) 17.0
 
Sept. 16, 2019, 11 a.m. 3.0 ppb (3) 0.3 ppb (0) N/A 3.0 ppb (3) N/A N/A 17.0 ppb (13) N/A 8.0 μg/m3 (7) 2.0 μg/m3 (8) 13.0
 
Sept. 16, 2019, 10 a.m. 1.9 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 17.0 ppb (13) N/A 3.0 μg/m3 (3) -1.0 μg/m3 (0) 13.0
 
Sept. 16, 2019, 9 a.m. 1.6 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 16.0 ppb (12) N/A 5.0 μg/m3 (5) -1.0 μg/m3 (0) 12.0
 
Sept. 16, 2019, 8 a.m. 1.5 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 16.0 ppb (12) N/A 4.0 μg/m3 (4) -1.0 μg/m3 (0) 12.0
 
Sept. 16, 2019, 7 a.m. 1.8 ppb (2) 0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A 16.0 ppb (12) N/A 4.0 μg/m3 (4) -1.0 μg/m3 (0) 12.0
 
Sept. 16, 2019, 6 a.m. 2.0 ppb (2) 0.3 ppb (0) N/A 2.0 ppb (2) N/A N/A 17.0 ppb (13) N/A 4.0 μg/m3 (4) 0.0 μg/m3 (0) 13.0
 
Sept. 16, 2019, 5 a.m. 2.4 ppb (2) 0.3 ppb (0) N/A 2.0 ppb (2) N/A N/A 17.0 ppb (13) N/A 6.0 μg/m3 (5) 0.0 μg/m3 (0) 13.0
 
Sept. 16, 2019, 4 a.m. 2.7 ppb (3) 0.3 ppb (0) N/A 2.0 ppb (2) N/A N/A 18.0 ppb (14) N/A 9.0 μg/m3 (8) 0.0 μg/m3 (0) 14.0
 
Sept. 16, 2019, 3 a.m. 2.3 ppb (2) 0.4 ppb (0) N/A 2.0 ppb (2) N/A N/A 21.0 ppb (16) N/A 17.0 μg/m3 (15) 1.0 μg/m3 (4) 16.0
 
Sept. 16, 2019, 2 a.m. 2.1 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 24.0 ppb (18) N/A 25.0 μg/m3 (23) 3.0 μg/m3 (12) 23.0
 
Sept. 16, 2019, 1 a.m. 2.8 ppb (3) 0.5 ppb (0) N/A 2.0 ppb (2) N/A N/A 27.0 ppb (21) N/A 37.0 μg/m3 (34) 6.0 μg/m3 (25) 34.0
 
Sept. 14, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (18) 8.0 μg/m3 (33) 33.0
 
Sept. 14, 2019, 11 a.m. 14.5 ppb (13) 0.4 ppb (0) N/A 14.0 ppb (13) N/A N/A 29.0 ppb (22) N/A 22.0 μg/m3 (20) 10.0 μg/m3 (42) 42.0
 
Sept. 14, 2019, 10 a.m. 18.0 ppb (17) 0.4 ppb (0) N/A 18.0 ppb (17) N/A N/A 24.0 ppb (18) N/A 27.0 μg/m3 (25) 10.0 μg/m3 (42) 42.0
 
Sept. 14, 2019, 9 a.m. 21.2 ppb (20) 0.5 ppb (0) N/A 21.0 ppb (19) N/A N/A 20.0 ppb (15) N/A 33.0 μg/m3 (30) 11.0 μg/m3 (46) 46.0
 
Sept. 14, 2019, 8 a.m. 30.1 ppb (28) 1.1 ppb (1) N/A 29.0 ppb (27) N/A N/A 12.0 ppb (9) N/A 34.0 μg/m3 (31) 11.0 μg/m3 (46) 46.0
 
Sept. 14, 2019, 7 a.m. 37.1 ppb (34) 2.0 ppb (2) N/A 35.0 ppb (32) N/A N/A 6.0 ppb (5) N/A 37.0 μg/m3 (34) 16.0 μg/m3 (59) 59.0
 
Sept. 14, 2019, 6 a.m. 50.9 ppb (47) 5.2 ppb (5) N/A 46.0 ppb (43) N/A N/A 3.0 ppb (2) N/A 41.0 μg/m3 (37) 17.0 μg/m3 (61) 61.0
 
Sept. 14, 2019, 5 a.m. 50.5 ppb (47) 5.2 ppb (5) N/A 45.0 ppb (42) N/A N/A 6.0 ppb (5) N/A 41.0 μg/m3 (37) 16.0 μg/m3 (59) 59.0
 
Sept. 14, 2019, 4 a.m. 46.6 ppb (43) 2.5 ppb (2) N/A 44.0 ppb (41) N/A N/A 7.0 ppb (5) N/A 45.0 μg/m3 (41) 18.0 μg/m3 (63) 63.0
 
Sept. 14, 2019, 3 a.m. 50.6 ppb (47) 2.9 ppb (3) N/A 48.0 ppb (44) N/A N/A 7.0 ppb (5) N/A 62.0 μg/m3 (54) 33.0 μg/m3 (95) 95.0
 
Sept. 14, 2019, 2 a.m. 28.2 ppb (26) 0.7 ppb (1) N/A 27.0 ppb (25) N/A N/A 23.0 ppb (18) N/A 37.0 μg/m3 (34) 17.0 μg/m3 (61) 61.0
 
Sept. 14, 2019, 1 a.m. 8.4 ppb (8) 0.4 ppb (0) N/A 8.0 ppb (7) N/A N/A 51.0 ppb (39) N/A 29.0 μg/m3 (26) 6.0 μg/m3 (25) 39.0
 
Sept. 14, 2019, midnight 4.2 ppb (4) 0.4 ppb (0) N/A 4.0 ppb (4) N/A N/A 61.0 ppb (47) N/A 29.0 μg/m3 (26) 4.0 μg/m3 (17) 47.0
 
Sept. 13, 2019, 11 p.m. 2.7 ppb (3) 0.3 ppb (0) N/A 2.0 ppb (2) N/A N/A 62.0 ppb (48) N/A 25.0 μg/m3 (23) 5.0 μg/m3 (21) 48.0
 
Sept. 13, 2019, 10 p.m. 4.0 ppb (4) 0.5 ppb (0) N/A 4.0 ppb (4) N/A N/A 63.0 ppb (48) N/A 27.0 μg/m3 (25) 7.0 μg/m3 (29) 48.0
 
Sept. 13, 2019, 9 p.m. 4.5 ppb (4) 0.5 ppb (0) N/A 4.0 ppb (4) N/A N/A 66.0 ppb (51) N/A 44.0 μg/m3 (40) 10.0 μg/m3 (42) 51.0
 
Sept. 13, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 68.0 ppb (52) N/A 46.0 μg/m3 (42) 13.0 μg/m3 (52) 52.0
 
Sept. 13, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (42) N/A 41.0 μg/m3 (37) 7.0 μg/m3 (29) 42.0
 
Sept. 13, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A 32.0 μg/m3 (29) 10.0 μg/m3 (42) 42.0
 
Sept. 13, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A 42.0 μg/m3 (38) 9.0 μg/m3 (38) 38.0
 
Sept. 13, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A 54.0 μg/m3 (49) 15.0 μg/m3 (56) 56.0
 
Sept. 13, 2019, 3 p.m. 46.2 ppb (43) 21.0 ppb (19) N/A 25.0 ppb (23) N/A N/A 8.0 ppb (6) N/A 52.0 μg/m3 (47) 16.0 μg/m3 (59) 59.0
 
Sept. 13, 2019, 2 p.m. 55.6 ppb (52) 31.2 ppb (29) N/A 24.0 ppb (22) N/A N/A -1.0 ppb (0) N/A 53.0 μg/m3 (48) 16.0 μg/m3 (59) 59.0
 
Sept. 13, 2019, 1 p.m. 46.0 ppb (43) 22.1 ppb (20) N/A 24.0 ppb (22) N/A N/A 0.0 ppb (0) N/A 47.0 μg/m3 (43) 13.0 μg/m3 (52) 52.0
 
Sept. 13, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A 38.0 μg/m3 (35) 14.0 μg/m3 (54) 54.0
 
Sept. 13, 2019, 11 a.m. 50.9 ppb (47) 23.1 ppb (21) N/A 28.0 ppb (26) N/A N/A 0.0 ppb (0) N/A 38.0 μg/m3 (35) 10.0 μg/m3 (42) 47.0
 
Sept. 13, 2019, 10 a.m. 48.1 ppb (45) 19.1 ppb (18) N/A 29.0 ppb (27) N/A N/A 0.0 ppb (0) N/A 38.0 μg/m3 (35) 16.0 μg/m3 (59) 59.0
 
Sept. 13, 2019, 9 a.m. 37.3 ppb (35) 7.3 ppb (7) N/A 30.0 ppb (28) N/A N/A 0.0 ppb (0) N/A 34.0 μg/m3 (31) 14.0 μg/m3 (54) 54.0
 
Sept. 13, 2019, 8 a.m. 32.5 ppb (30) 3.2 ppb (3) N/A 29.0 ppb (27) N/A N/A 2.0 ppb (2) N/A 42.0 μg/m3 (38) 13.0 μg/m3 (52) 52.0
 
Sept. 13, 2019, 7 a.m. 34.5 ppb (32) 3.6 ppb (3) N/A 31.0 ppb (29) N/A N/A 3.0 ppb (2) N/A 41.0 μg/m3 (37) 14.0 μg/m3 (54) 54.0
 
Sept. 13, 2019, 6 a.m. 44.6 ppb (41) 7.7 ppb (7) N/A 37.0 ppb (34) N/A N/A 2.0 ppb (2) N/A 41.0 μg/m3 (37) 17.0 μg/m3 (61) 61.0
 
Sept. 13, 2019, 5 a.m. 30.2 ppb (28) 1.3 ppb (1) N/A 29.0 ppb (27) N/A N/A 14.0 ppb (11) N/A 43.0 μg/m3 (39) 16.0 μg/m3 (59) 59.0
 
Sept. 13, 2019, 4 a.m. 30.5 ppb (28) 1.7 ppb (2) N/A 29.0 ppb (27) N/A N/A 18.0 ppb (14) N/A 46.0 μg/m3 (42) 20.0 μg/m3 (67) 67.0
 
Sept. 13, 2019, 3 a.m. 22.5 ppb (21) 0.4 ppb (0) N/A 22.0 ppb (20) N/A N/A 30.0 ppb (23) N/A 50.0 μg/m3 (45) 23.0 μg/m3 (73) 73.0
 
Sept. 13, 2019, 2 a.m. 11.2 ppb (10) 0.2 ppb (0) N/A 11.0 ppb (10) N/A N/A 54.0 ppb (42) N/A 48.0 μg/m3 (44) 16.0 μg/m3 (59) 59.0
 
Sept. 13, 2019, 1 a.m. 7.3 ppb (7) 0.3 ppb (0) N/A 7.0 ppb (6) N/A N/A 70.0 ppb (54) N/A 49.0 μg/m3 (45) 10.0 μg/m3 (42) 54.0
 
Sept. 13, 2019, midnight 6.1 ppb (6) 0.4 ppb (0) N/A 6.0 ppb (6) N/A N/A 77.0 ppb (60) N/A 48.0 μg/m3 (44) 10.0 μg/m3 (42) 60.0
 
Sept. 12, 2019, 11 p.m. 5.6 ppb (5) 0.4 ppb (0) N/A 5.0 ppb (5) N/A N/A 76.0 ppb (59) N/A 36.0 μg/m3 (33) 13.0 μg/m3 (52) 59.0
 
Sept. 12, 2019, 10 p.m. 6.8 ppb (6) 0.5 ppb (0) N/A 6.0 ppb (6) N/A N/A 75.0 ppb (58) N/A 37.0 μg/m3 (34) 10.0 μg/m3 (42) 58.0
 
Sept. 12, 2019, 9 p.m. 9.6 ppb (9) 0.9 ppb (1) N/A 9.0 ppb (8) N/A N/A 71.0 ppb (55) N/A 34.0 μg/m3 (31) 7.0 μg/m3 (29) 55.0
 
Sept. 12, 2019, 8 p.m. 12.7 ppb (12) 1.7 ppb (2) N/A 11.0 ppb (10) N/A N/A 58.0 ppb (45) N/A 36.0 μg/m3 (33) 10.0 μg/m3 (42) 45.0
 
Sept. 12, 2019, 7 p.m. 14.2 ppb (13) 2.6 ppb (2) N/A 12.0 ppb (11) N/A N/A 47.0 ppb (36) N/A 43.0 μg/m3 (39) 9.0 μg/m3 (38) 39.0
 
Sept. 12, 2019, 6 p.m. 17.1 ppb (16) 4.2 ppb (4) N/A 13.0 ppb (12) N/A N/A 35.0 ppb (27) N/A 39.0 μg/m3 (35) 8.0 μg/m3 (33) 35.0
 
Sept. 12, 2019, 5 p.m. 19.3 ppb (18) 5.8 ppb (5) N/A 14.0 ppb (13) N/A N/A 26.0 ppb (20) N/A 45.0 μg/m3 (41) 12.0 μg/m3 (50) 50.0
 
Sept. 12, 2019, 4 p.m. 21.8 ppb (20) 7.9 ppb (7) N/A 14.0 ppb (13) N/A N/A 20.0 ppb (15) N/A 35.0 μg/m3 (32) 9.0 μg/m3 (38) 38.0
 
Sept. 12, 2019, 3 p.m. 28.6 ppb (26) 11.0 ppb (10) N/A 18.0 ppb (17) N/A N/A 11.0 ppb (8) N/A 34.0 μg/m3 (31) 9.0 μg/m3 (38) 38.0
 
Sept. 12, 2019, 2 p.m. 38.6 ppb (36) 19.3 ppb (18) N/A 19.0 ppb (18) N/A N/A 3.0 ppb (2) N/A 34.0 μg/m3 (31) 7.0 μg/m3 (29) 36.0
 
Sept. 12, 2019, 1 p.m. 31.6 ppb (29) 12.4 ppb (11) N/A 19.0 ppb (18) N/A N/A 0.0 ppb (0) N/A 23.0 μg/m3 (21) 4.0 μg/m3 (17) 29.0
 
Sept. 12, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A 22.0 μg/m3 (20) 4.0 μg/m3 (17) 20.0
 
Sept. 12, 2019, 11 a.m. 15.7 ppb (15) 0.7 ppb (1) N/A 15.0 ppb (14) N/A N/A 5.0 ppb (4) N/A 19.0 μg/m3 (17) 4.0 μg/m3 (17) 17.0
 
Sept. 12, 2019, 10 a.m. 12.5 ppb (12) 0.6 ppb (1) N/A 12.0 ppb (11) N/A N/A 9.0 ppb (7) N/A 20.0 μg/m3 (18) 5.0 μg/m3 (21) 21.0
 
Sept. 12, 2019, 9 a.m. 15.1 ppb (14) 0.9 ppb (1) N/A 14.0 ppb (13) N/A N/A 8.0 ppb (6) N/A 20.0 μg/m3 (18) 7.0 μg/m3 (29) 29.0
 
Sept. 12, 2019, 8 a.m. 17.2 ppb (16) 0.9 ppb (1) N/A 16.0 ppb (15) N/A N/A 5.0 ppb (4) N/A 29.0 μg/m3 (26) 8.0 μg/m3 (33) 33.0
 
Sept. 12, 2019, 7 a.m. 16.5 ppb (15) 1.1 ppb (1) N/A 15.0 ppb (14) N/A N/A 9.0 ppb (7) N/A 36.0 μg/m3 (33) 8.0 μg/m3 (33) 33.0
 
Sept. 12, 2019, 6 a.m. 31.3 ppb (29) 6.9 ppb (6) N/A 24.0 ppb (22) N/A N/A 1.0 ppb (1) N/A 31.0 μg/m3 (28) 7.0 μg/m3 (29) 29.0
 
Sept. 12, 2019, 5 a.m. 29.8 ppb (28) 3.1 ppb (3) N/A 27.0 ppb (25) N/A N/A 2.0 ppb (2) N/A 26.0 μg/m3 (24) 9.0 μg/m3 (38) 38.0
 
Sept. 12, 2019, 4 a.m. 26.5 ppb (25) 1.3 ppb (1) N/A 25.0 ppb (23) N/A N/A 5.0 ppb (4) N/A 24.0 μg/m3 (22) 10.0 μg/m3 (42) 42.0
 
Sept. 12, 2019, 3 a.m. 22.8 ppb (21) 1.2 ppb (1) N/A 22.0 ppb (20) N/A N/A 11.0 ppb (8) N/A 41.0 μg/m3 (37) 13.0 μg/m3 (52) 52.0
 
Sept. 12, 2019, 2 a.m. 11.3 ppb (10) 0.5 ppb (0) N/A 11.0 ppb (10) N/A N/A 24.0 ppb (18) N/A 28.0 μg/m3 (25) 5.0 μg/m3 (21) 25.0
 
Sept. 12, 2019, 1 a.m. 3.8 ppb (4) 0.4 ppb (0) N/A 3.0 ppb (3) N/A N/A 36.0 ppb (28) N/A 22.0 μg/m3 (20) 2.0 μg/m3 (8) 28.0
 
Sept. 12, 2019, midnight 3.0 ppb (3) 0.5 ppb (0) N/A 2.0 ppb (2) N/A N/A 38.0 ppb (29) N/A 20.0 μg/m3 (18) 3.0 μg/m3 (12) 29.0
 
Sept. 11, 2019, 11 p.m. 2.6 ppb (2) 0.5 ppb (0) N/A 2.0 ppb (2) N/A N/A 40.0 ppb (31) N/A 27.0 μg/m3 (25) 3.0 μg/m3 (12) 31.0
 
Sept. 11, 2019, 10 p.m. 2.9 ppb (3) 0.5 ppb (0) N/A 2.0 ppb (2) N/A N/A 42.0 ppb (32) N/A 42.0 μg/m3 (38) 5.0 μg/m3 (21) 38.0
 
Sept. 11, 2019, 9 p.m. 3.4 ppb (3) 0.7 ppb (1) N/A 3.0 ppb (3) N/A N/A 42.0 ppb (32) N/A 38.0 μg/m3 (35) 6.0 μg/m3 (25) 35.0
 
Sept. 11, 2019, 8 p.m. 3.0 ppb (3) 0.5 ppb (0) N/A 2.0 ppb (2) N/A N/A 42.0 ppb (32) N/A 34.0 μg/m3 (31) 4.0 μg/m3 (17) 32.0
 
Sept. 11, 2019, 7 p.m. 3.7 ppb (3) 0.7 ppb (1) N/A 3.0 ppb (3) N/A N/A 40.0 ppb (31) N/A 31.0 μg/m3 (28) 5.0 μg/m3 (21) 31.0
 
Sept. 11, 2019, 6 p.m. 4.7 ppb (4) 1.1 ppb (1) N/A 4.0 ppb (4) N/A N/A 35.0 ppb (27) N/A 32.0 μg/m3 (29) 6.0 μg/m3 (25) 29.0
 
Sept. 11, 2019, 5 p.m. 8.1 ppb (8) 2.4 ppb (2) N/A 6.0 ppb (6) N/A N/A 28.0 ppb (22) N/A 27.0 μg/m3 (25) 7.0 μg/m3 (29) 29.0
 
Sept. 11, 2019, 4 p.m. 9.0 ppb (8) 2.7 ppb (3) N/A 6.0 ppb (6) N/A N/A 23.0 ppb (18) N/A 23.0 μg/m3 (21) 10.0 μg/m3 (42) 42.0
 
Sept. 11, 2019, 3 p.m. 19.8 ppb (18) 7.9 ppb (7) N/A 12.0 ppb (11) N/A N/A 12.0 ppb (9) N/A 34.0 μg/m3 (31) 7.0 μg/m3 (29) 31.0
 
Sept. 11, 2019, 2 p.m. 26.6 ppb (25) 9.8 ppb (9) N/A 17.0 ppb (16) N/A N/A 4.0 ppb (3) N/A 39.0 μg/m3 (35) 7.0 μg/m3 (29) 35.0
 
Sept. 11, 2019, 1 p.m. 17.7 ppb (16) 2.1 ppb (2) N/A 16.0 ppb (15) N/A N/A 4.0 ppb (3) N/A 19.0 μg/m3 (17) 6.0 μg/m3 (25) 25.0
 
Sept. 11, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) 5.0 μg/m3 (21) 21.0
 
Sept. 11, 2019, 11 a.m. 13.2 ppb (12) 0.9 ppb (1) N/A 12.0 ppb (11) N/A N/A 5.0 ppb (4) N/A 13.0 μg/m3 (12) 3.0 μg/m3 (12) 12.0
 
Sept. 11, 2019, 10 a.m. 9.9 ppb (9) 0.4 ppb (0) N/A 9.0 ppb (8) N/A N/A 10.0 ppb (8) N/A 12.0 μg/m3 (11) 2.0 μg/m3 (8) 11.0
 
Sept. 11, 2019, 9 a.m. 9.0 ppb (8) 0.4 ppb (0) N/A 9.0 ppb (8) N/A N/A 11.0 ppb (8) N/A 11.0 μg/m3 (10) 4.0 μg/m3 (17) 17.0
 
Sept. 11, 2019, 8 a.m. 6.1 ppb (6) 0.3 ppb (0) N/A 6.0 ppb (6) N/A N/A 15.0 ppb (12) N/A 16.0 μg/m3 (15) 5.0 μg/m3 (21) 21.0
 
Sept. 11, 2019, 7 a.m. 4.6 ppb (4) 0.2 ppb (0) N/A 4.0 ppb (4) N/A N/A 18.0 ppb (14) N/A 12.0 μg/m3 (11) 3.0 μg/m3 (12) 14.0
 
Sept. 11, 2019, 6 a.m. 4.1 ppb (4) 0.2 ppb (0) N/A 4.0 ppb (4) N/A N/A 20.0 ppb (15) N/A 10.0 μg/m3 (9) 3.0 μg/m3 (12) 15.0
 
Sept. 11, 2019, 5 a.m. 4.9 ppb (5) 0.2 ppb (0) N/A 5.0 ppb (5) N/A N/A 20.0 ppb (15) N/A 13.0 μg/m3 (12) 3.0 μg/m3 (12) 15.0
 
Sept. 11, 2019, 4 a.m. 4.7 ppb (4) 0.2 ppb (0) N/A 4.0 ppb (4) N/A N/A 22.0 ppb (17) N/A 18.0 μg/m3 (16) 4.0 μg/m3 (17) 17.0
 
Sept. 11, 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 19.0 μg/m3 (17) 2.0 μg/m3 (8) 19.0
 
Sept. 11, 2019, 2 a.m. 5.6 ppb (5) 0.2 ppb (0) N/A 5.0 ppb (5) N/A N/A 33.0 ppb (25) N/A 21.0 μg/m3 (19) 3.0 μg/m3 (12) 25.0
 
Sept. 11, 2019, 1 a.m. 2.9 ppb (3) 0.2 ppb (0) N/A 3.0 ppb (3) N/A N/A 45.0 ppb (35) N/A 25.0 μg/m3 (23) 5.0 μg/m3 (21) 35.0
 
Sept. 11, 2019, midnight 3.6 ppb (3) 0.5 ppb (0) N/A 3.0 ppb (3) N/A N/A 49.0 ppb (38) N/A 17.0 μg/m3 (15) 6.0 μg/m3 (25) 38.0
 
Sept. 10, 2019, 11 p.m. 3.5 ppb (3) 0.5 ppb (0) N/A 3.0 ppb (3) N/A N/A 50.0 ppb (38) N/A 16.0 μg/m3 (15) 4.0 μg/m3 (17) 38.0
 
Sept. 10, 2019, 10 p.m. 3.1 ppb (3) 0.5 ppb (0) N/A 3.0 ppb (3) N/A N/A 50.0 ppb (38) N/A 17.0 μg/m3 (15) 3.0 μg/m3 (12) 38.0
 
Sept. 10, 2019, 9 p.m. 5.1 ppb (5) 1.0 ppb (1) N/A 4.0 ppb (4) N/A N/A 45.0 ppb (35) N/A 20.0 μg/m3 (18) 6.0 μg/m3 (25) 35.0
 
Sept. 10, 2019, 8 p.m. 4.1 ppb (4) 0.9 ppb (1) N/A 3.0 ppb (3) N/A N/A 41.0 ppb (32) N/A 20.0 μg/m3 (18) 8.0 μg/m3 (33) 33.0
 
Sept. 10, 2019, 7 p.m. 3.8 ppb (4) 1.0 ppb (1) N/A 3.0 ppb (3) N/A N/A 36.0 ppb (28) N/A 17.0 μg/m3 (15) 9.0 μg/m3 (38) 38.0
 
Sept. 10, 2019, 6 p.m. 3.3 ppb (3) 0.9 ppb (1) N/A 2.0 ppb (2) N/A N/A 32.0 ppb (25) N/A 14.0 μg/m3 (13) 4.0 μg/m3 (17) 25.0
 
Sept. 10, 2019, 5 p.m. 4.9 ppb (5) 1.5 ppb (1) N/A 3.0 ppb (3) N/A N/A 29.0 ppb (22) N/A 18.0 μg/m3 (16) 5.0 μg/m3 (21) 22.0
 
Sept. 10, 2019, 4 p.m. 6.0 ppb (6) 1.9 ppb (2) N/A 4.0 ppb (4) N/A N/A 26.0 ppb (20) N/A N/A N/A 20.0
 
Sept. 10, 2019, 3 p.m. 9.5 ppb (9) 2.6 ppb (2) N/A 7.0 ppb (6) N/A N/A 22.0 ppb (17) N/A 26.0 μg/m3 (24) 8.0 μg/m3 (33) 33.0
 
Sept. 10, 2019, 2 p.m. 13.1 ppb (12) 2.2 ppb (2) N/A 11.0 ppb (10) N/A N/A 14.0 ppb (11) N/A 33.0 μg/m3 (30) 8.0 μg/m3 (33) 33.0
 
Sept. 10, 2019, 1 p.m. 11.6 ppb (11) 0.7 ppb (1) N/A 11.0 ppb (10) N/A N/A 12.0 ppb (9) N/A 18.0 μg/m3 (16) 4.0 μg/m3 (17) 17.0
 
Sept. 10, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (16) 5.0 μg/m3 (21) 21.0
 
Sept. 10, 2019, 11 a.m. 4.9 ppb (5) 0.2 ppb (0) N/A 5.0 ppb (5) N/A N/A 23.0 ppb (18) N/A 17.0 μg/m3 (15) 6.0 μg/m3 (25) 25.0
 
Sept. 10, 2019, 10 a.m. 5.2 ppb (5) 0.2 ppb (0) N/A 5.0 ppb (5) N/A N/A 22.0 ppb (17) N/A 16.0 μg/m3 (15) 4.0 μg/m3 (17) 17.0
 
Sept. 10, 2019, 9 a.m. 4.7 ppb (4) 0.2 ppb (0) N/A 5.0 ppb (5) N/A N/A 23.0 ppb (18) N/A 18.0 μg/m3 (16) 3.0 μg/m3 (12) 18.0
 
Sept. 10, 2019, 8 a.m. 5.1 ppb (5) 0.2 ppb (0) N/A 5.0 ppb (5) N/A N/A 23.0 ppb (18) N/A 13.0 μg/m3 (12) 2.0 μg/m3 (8) 18.0
 
Sept. 10, 2019, 7 a.m. 4.3 ppb (4) 0.2 ppb (0) N/A 4.0 ppb (4) N/A N/A 25.0 ppb (19) N/A 9.0 μg/m3 (8) 3.0 μg/m3 (12) 19.0
 
Sept. 10, 2019, 6 a.m. 3.0 ppb (3) 0.2 ppb (0) N/A 3.0 ppb (3) N/A N/A 27.0 ppb (21) N/A 11.0 μg/m3 (10) 4.0 μg/m3 (17) 21.0
 
Sept. 10, 2019, 5 a.m. 2.0 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 30.0 ppb (23) N/A 9.0 μg/m3 (8) 3.0 μg/m3 (12) 23.0
 
Sept. 10, 2019, 4 a.m. 2.3 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 30.0 ppb (23) N/A 11.0 μg/m3 (10) 2.0 μg/m3 (8) 23.0
 
Sept. 10, 2019, 3 a.m. 2.5 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 30.0 ppb (23) N/A 19.0 μg/m3 (17) 2.0 μg/m3 (8) 23.0
 
Sept. 10, 2019, 2 a.m. 3.3 ppb (3) 0.3 ppb (0) N/A 3.0 ppb (3) N/A N/A 33.0 ppb (25) N/A 28.0 μg/m3 (25) 3.0 μg/m3 (12) 25.0
 
Sept. 10, 2019, 1 a.m. 3.1 ppb (3) 0.4 ppb (0) N/A 3.0 ppb (3) N/A N/A 32.0 ppb (25) N/A 20.0 μg/m3 (18) 4.0 μg/m3 (17) 25.0
 
Sept. 10, 2019, midnight 3.0 ppb (3) 0.6 ppb (1) N/A 2.0 ppb (2) N/A N/A 36.0 ppb (28) N/A 29.0 μg/m3 (26) 5.0 μg/m3 (21) 28.0
 
Sept. 9, 2019, 11 p.m. 2.6 ppb (2) 0.4 ppb (0) N/A 2.0 ppb (2) N/A N/A 42.0 ppb (32) N/A 25.0 μg/m3 (23) 3.0 μg/m3 (12) 32.0
 
Sept. 9, 2019, 10 p.m. 3.0 ppb (3) 0.5 ppb (0) N/A 3.0 ppb (3) N/A N/A 44.0 ppb (34) N/A 15.0 μg/m3 (14) 1.0 μg/m3 (4) 34.0
 
Sept. 9, 2019, 9 p.m. 4.5 ppb (4) 0.7 ppb (1) N/A 4.0 ppb (4) N/A N/A 48.0 ppb (37) N/A 23.0 μg/m3 (21) N/A 37.0
 
Sept. 9, 2019, 8 p.m. 7.6 ppb (7) 1.6 ppb (1) N/A 6.0 ppb (6) N/A N/A 41.0 ppb (32) N/A 24.0 μg/m3 (22) N/A 32.0
 
Sept. 9, 2019, 7 p.m. 9.9 ppb (9) 2.7 ppb (3) N/A 7.0 ppb (6) N/A N/A 33.0 ppb (25) N/A 26.0 μg/m3 (24) 5.0 μg/m3 (21) 25.0
 
Sept. 9, 2019, 6 p.m. 9.6 ppb (9) 3.1 ppb (3) N/A 7.0 ppb (6) N/A N/A 26.0 ppb (20) N/A 25.0 μg/m3 (23) 4.0 μg/m3 (17) 23.0
 
Sept. 9, 2019, 5 p.m. 11.4 ppb (11) 4.6 ppb (4) N/A 7.0 ppb (6) N/A N/A 19.0 ppb (15) N/A 24.0 μg/m3 (22) 4.0 μg/m3 (17) 22.0
 
Sept. 9, 2019, 4 p.m. 11.9 ppb (11) 5.4 ppb (5) N/A 6.0 ppb (6) N/A N/A 14.0 ppb (11) N/A 10.0 μg/m3 (9) 5.0 μg/m3 (21) 21.0
 
Sept. 9, 2019, 3 p.m. 11.5 ppb (11) 4.8 ppb (4) N/A 7.0 ppb (6) N/A N/A 10.0 ppb (8) N/A 12.0 μg/m3 (11) 5.0 μg/m3 (21) 21.0
 
Sept. 9, 2019, 2 p.m. 12.5 ppb (12) 3.4 ppb (3) N/A 9.0 ppb (8) N/A N/A 8.0 ppb (6) N/A 15.0 μg/m3 (14) 5.0 μg/m3 (21) 21.0
 
Sept. 9, 2019, 1 p.m. 9.6 ppb (9) 1.0 ppb (1) N/A 9.0 ppb (8) N/A N/A 8.0 ppb (6) N/A 9.0 μg/m3 (8) 2.0 μg/m3 (8) 9.0
 
Sept. 9, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) 2.0 μg/m3 (8) 13.0
 
Sept. 9, 2019, 11 a.m. 9.6 ppb (9) 0.4 ppb (0) N/A 9.0 ppb (8) N/A N/A 10.0 ppb (8) N/A 11.0 μg/m3 (10) 1.0 μg/m3 (4) 10.0
 
Sept. 9, 2019, 10 a.m. 6.4 ppb (6) 0.3 ppb (0) N/A 6.0 ppb (6) N/A N/A 14.0 ppb (11) N/A 11.0 μg/m3 (10) 2.0 μg/m3 (8) 11.0
 
Sept. 9, 2019, 9 a.m. 7.2 ppb (7) 0.3 ppb (0) N/A 7.0 ppb (6) N/A N/A 13.0 ppb (10) N/A 13.0 μg/m3 (12) 3.0 μg/m3 (12) 12.0
 
Sept. 9, 2019, 8 a.m. 4.9 ppb (5) 0.2 ppb (0) N/A 5.0 ppb (5) N/A N/A 16.0 ppb (12) N/A 10.0 μg/m3 (9) 1.0 μg/m3 (4) 12.0
 
Sept. 9, 2019, 7 a.m. 4.2 ppb (4) 0.3 ppb (0) N/A 4.0 ppb (4) N/A N/A 18.0 ppb (14) N/A 10.0 μg/m3 (9) 0.0 μg/m3 (0) 14.0
 
Sept. 9, 2019, 6 a.m. 3.6 ppb (3) 0.2 ppb (0) N/A 3.0 ppb (3) N/A N/A 20.0 ppb (15) N/A 9.0 μg/m3 (8) 1.0 μg/m3 (4) 15.0
 
Sept. 9, 2019, 5 a.m. 2.6 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 24.0 ppb (18) N/A 11.0 μg/m3 (10) 3.0 μg/m3 (12) 18.0
 
Sept. 9, 2019, 4 a.m. 2.4 ppb (2) 0.1 ppb (0) N/A 2.0 ppb (2) N/A N/A 26.0 ppb (20) N/A 16.0 μg/m3 (15) 5.0 μg/m3 (21) 21.0
 
Sept. 9, 2019, 3 a.m. 2.6 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 26.0 ppb (20) N/A 9.0 μg/m3 (8) 5.0 μg/m3 (21) 21.0
 
Sept. 9, 2019, 2 a.m. 2.5 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 27.0 ppb (21) N/A 13.0 μg/m3 (12) 2.0 μg/m3 (8) 21.0
 
Sept. 9, 2019, 1 a.m. 3.1 ppb (3) 0.4 ppb (0) N/A 3.0 ppb (3) N/A N/A 35.0 ppb (27) N/A 18.0 μg/m3 (16) 3.0 μg/m3 (12) 27.0
 
Sept. 9, 2019, midnight 2.1 ppb (2) 0.3 ppb (0) N/A 2.0 ppb (2) N/A N/A 41.0 ppb (32) N/A 22.0 μg/m3 (20) 5.0 μg/m3 (21) 32.0
 
Sept. 8, 2019, 11 p.m. 2.0 ppb (2) 0.3 ppb (0) N/A 2.0 ppb (2) N/A N/A 40.0 ppb (31) N/A 12.0 μg/m3 (11) 5.0 μg/m3 (21) 31.0
 
Sept. 8, 2019, 10 p.m. 1.7 ppb (2) 0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A 38.0 ppb (29) N/A 16.0 μg/m3 (15) 4.0 μg/m3 (17) 29.0
 
Sept. 8, 2019, 9 p.m. 2.9 ppb (3) 0.4 ppb (0) N/A 2.0 ppb (2) N/A N/A 43.0 ppb (33) N/A 18.0 μg/m3 (16) 4.0 μg/m3 (17) 33.0
 
Sept. 8, 2019, 8 p.m. 3.6 ppb (3) 0.6 ppb (1) N/A 3.0 ppb (3) N/A N/A 42.0 ppb (32) N/A 18.0 μg/m3 (16) 5.0 μg/m3 (21) 32.0