AQSQID: 340130003

Site Name: Newark Firehouse

Location: Newark, NJ

Reporting: True, Located: True

Current AQI: 18.0

Newark NJ, US: 40.720989, -74.192894

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
May 23, 2019, 9 a.m. 12.0 ppb (11) 0.0 ppb (0) N/A 13.0 ppb (12) N/A N/A 20.0 ppb (15) N/A N/A 4.3 μg/m3 (18) 18.0
 
May 23, 2019, 8 a.m. 14.0 ppb (13) 1.0 ppb (1) N/A 13.0 ppb (12) N/A 0.0 ppb (0) N/A 0.16 ppb (2) N/A 1.5 μg/m3 (6) 13.0
 
May 23, 2019, 7 a.m. 13.0 ppb (12) 0.0 ppb (0) N/A 13.0 ppb (12) N/A 0.0 ppb (0) N/A 0.17 ppb (2) N/A -0.1 μg/m3 (0) 12.0
 
May 23, 2019, 6 a.m. 13.0 ppb (12) 0.0 ppb (0) N/A 13.0 ppb (12) N/A 0.0 ppb (0) 26.0 ppb (20) 0.17 ppb (2) N/A -1.3 μg/m3 (0) 20.0
 
May 23, 2019, 5 a.m. 12.0 ppb (11) 0.0 ppb (0) N/A 12.0 ppb (11) N/A 0.0 ppb (0) 28.0 ppb (22) 0.18 ppb (2) N/A N/A 22.0
 
May 23, 2019, 4 a.m. 10.0 ppb (9) 0.0 ppb (0) N/A 10.0 ppb (9) N/A 0.0 ppb (0) 30.0 ppb (23) 0.17 ppb (2) N/A 3.7 μg/m3 (15) 23.0
 
May 23, 2019, 3 a.m. 11.0 ppb (10) 0.0 ppb (0) N/A 11.0 ppb (10) N/A 0.0 ppb (0) 29.0 ppb (22) 0.18 ppb (2) N/A 5.8 μg/m3 (24) 24.0
 
May 23, 2019, 2 a.m. 12.0 ppb (11) 0.0 ppb (0) N/A 12.0 ppb (11) N/A 0.0 ppb (0) 30.0 ppb (23) 0.2 ppb (2) N/A 8.0 μg/m3 (33) 33.0
 
May 23, 2019, 1 a.m. 16.0 ppb (15) 0.0 ppb (0) N/A 16.0 ppb (15) N/A 0.0 ppb (0) 32.0 ppb (25) 0.24 ppb (3) N/A 10.2 μg/m3 (42) 42.0
 
May 23, 2019, midnight 20.0 ppb (19) 0.0 ppb (0) N/A 21.0 ppb (19) N/A 0.0 ppb (0) 37.0 ppb (28) 0.26 ppb (3) N/A 9.3 μg/m3 (39) 39.0
 
May 22, 2019, 11 p.m. 24.0 ppb (22) 0.0 ppb (0) N/A 24.0 ppb (22) N/A 0.0 ppb (0) 38.0 ppb (29) 0.24 ppb (3) N/A 10.4 μg/m3 (43) 43.0
 
May 22, 2019, 10 p.m. 12.0 ppb (11) 0.0 ppb (0) N/A 12.0 ppb (11) N/A 0.0 ppb (0) 52.0 ppb (40) 0.19 ppb (2) N/A 8.2 μg/m3 (34) 40.0
 
May 22, 2019, 9 p.m. 15.0 ppb (14) 5.0 ppb (5) N/A 10.0 ppb (9) N/A 0.0 ppb (0) 51.0 ppb (39) 0.16 ppb (2) N/A N/A 39.0
 
May 22, 2019, 8 p.m. 3.0 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 53.0 ppb (41) 0.14 ppb (2) N/A 3.7 μg/m3 (15) 41.0
 
May 22, 2019, 7 p.m. 3.0 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 50.0 ppb (38) 0.13 ppb (1) N/A 3.4 μg/m3 (14) 38.0
 
May 22, 2019, 6 p.m. 3.0 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 50.0 ppb (38) 0.13 ppb (1) N/A 3.7 μg/m3 (15) 38.0
 
May 22, 2019, 5 p.m. 3.0 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 47.0 ppb (36) 0.15 ppb (2) N/A 3.7 μg/m3 (15) 36.0
 
May 22, 2019, 4 p.m. 6.0 ppb (6) 1.0 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 44.0 ppb (34) 0.16 ppb (2) N/A 5.7 μg/m3 (24) 34.0
 
May 22, 2019, 3 p.m. 5.0 ppb (5) 1.0 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 41.0 ppb (32) 0.15 ppb (2) N/A 5.9 μg/m3 (25) 32.0
 
May 22, 2019, 2 p.m. 6.0 ppb (6) 1.0 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 37.0 ppb (28) 0.14 ppb (2) N/A 6.3 μg/m3 (26) 28.0
 
May 22, 2019, 1 p.m. 7.0 ppb (6) 1.0 ppb (1) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 35.0 ppb (27) 0.15 ppb (2) N/A N/A 27.0
 
May 22, 2019, noon 16.0 ppb (15) 5.0 ppb (5) N/A 10.0 ppb (9) N/A 0.0 ppb (0) 28.0 ppb (22) 0.22 ppb (2) N/A 2.5 μg/m3 (10) 22.0
 
May 22, 2019, 11 a.m. 21.0 ppb (19) 6.0 ppb (6) N/A 14.0 ppb (13) N/A 0.0 ppb (0) 26.0 ppb (20) 0.2 ppb (2) N/A 1.3 μg/m3 (5) 20.0
 
May 22, 2019, 10 a.m. 14.0 ppb (13) 2.0 ppb (2) N/A 11.0 ppb (10) N/A 0.0 ppb (0) 26.0 ppb (20) N/A N/A 0.1 μg/m3 (0) 20.0
 
May 22, 2019, 9 a.m. 9.0 ppb (8) 1.0 ppb (1) N/A 7.0 ppb (6) N/A N/A 29.0 ppb (22) N/A N/A 0.1 μg/m3 (0) 22.0
 
May 22, 2019, 8 a.m. 6.0 ppb (6) 1.0 ppb (1) N/A 5.0 ppb (5) N/A 0.0 ppb (0) N/A 0.14 ppb (2) N/A 0.4 μg/m3 (2) 6.0
 
May 22, 2019, 7 a.m. 6.0 ppb (6) 0.0 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) N/A 0.14 ppb (2) N/A 0.4 μg/m3 (2) 6.0
 
May 22, 2019, 6 a.m. 5.0 ppb (5) 0.0 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 33.0 ppb (25) 0.13 ppb (1) N/A -0.9 μg/m3 (0) 25.0
 
May 22, 2019, 5 a.m. 4.0 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 35.0 ppb (27) 0.13 ppb (1) N/A N/A 27.0
 
May 22, 2019, 4 a.m. 5.0 ppb (5) 0.0 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 34.0 ppb (26) 0.15 ppb (2) N/A 0.0 μg/m3 (0) 26.0
 
May 22, 2019, 3 a.m. 6.0 ppb (6) 0.0 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 34.0 ppb (26) 0.16 ppb (2) N/A 0.1 μg/m3 (0) 26.0
 
May 22, 2019, 2 a.m. 5.0 ppb (5) 0.0 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 36.0 ppb (28) 0.16 ppb (2) N/A 1.3 μg/m3 (5) 28.0
 
May 22, 2019, 1 a.m. 5.0 ppb (5) 0.0 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 36.0 ppb (28) 0.17 ppb (2) N/A 4.8 μg/m3 (20) 28.0
 
May 22, 2019, midnight 5.0 ppb (5) 0.0 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 38.0 ppb (29) 0.16 ppb (2) N/A 5.9 μg/m3 (25) 29.0
 
May 21, 2019, 11 p.m. 3.0 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 41.0 ppb (32) 0.15 ppb (2) N/A 5.3 μg/m3 (22) 32.0
 
May 21, 2019, 10 p.m. 3.0 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 42.0 ppb (32) 0.15 ppb (2) N/A 3.9 μg/m3 (16) 32.0
 
May 21, 2019, 9 p.m. 3.0 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 42.0 ppb (32) 0.15 ppb (2) N/A N/A 32.0
 
May 21, 2019, 8 p.m. 4.0 ppb (4) 1.0 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 40.0 ppb (31) 0.15 ppb (2) N/A 0.5 μg/m3 (2) 31.0
 
May 21, 2019, 7 p.m. 3.0 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 37.0 ppb (28) 0.15 ppb (2) N/A 1.4 μg/m3 (6) 28.0
 
May 21, 2019, 6 p.m. 3.0 ppb (3) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 35.0 ppb (27) 0.15 ppb (2) N/A 2.5 μg/m3 (10) 27.0
 
May 21, 2019, 5 p.m. 3.0 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 34.0 ppb (26) 0.15 ppb (2) N/A 3.8 μg/m3 (16) 26.0
 
May 21, 2019, 4 p.m. 3.0 ppb (3) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 32.0 ppb (25) 0.14 ppb (2) N/A 4.3 μg/m3 (18) 25.0
 
May 21, 2019, 3 p.m. 5.0 ppb (5) 1.0 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 31.0 ppb (24) 0.14 ppb (2) N/A 4.2 μg/m3 (18) 24.0
 
May 21, 2019, 2 p.m. 5.0 ppb (5) 1.0 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 32.0 ppb (25) 0.14 ppb (2) N/A 1.8 μg/m3 (8) 25.0
 
May 21, 2019, 1 p.m. 5.0 ppb (5) 1.0 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 33.0 ppb (25) 0.14 ppb (2) N/A N/A 25.0
 
May 21, 2019, noon 8.0 ppb (7) 4.0 ppb (4) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 31.0 ppb (24) 0.16 ppb (2) N/A -0.7 μg/m3 (0) 24.0
 
May 21, 2019, 11 a.m. 6.0 ppb (6) 1.0 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 27.0 ppb (21) 0.16 ppb (2) N/A -1.4 μg/m3 (0) 21.0
 
May 21, 2019, 10 a.m. 5.0 ppb (5) 1.0 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 26.0 ppb (20) N/A N/A -1.5 μg/m3 (0) 20.0
 
May 21, 2019, 9 a.m. 4.0 ppb (4) 1.0 ppb (1) N/A 3.0 ppb (3) N/A N/A 29.0 ppb (22) N/A N/A -0.5 μg/m3 (0) 22.0
 
May 21, 2019, 8 a.m. 5.0 ppb (5) 1.0 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) N/A 0.15 ppb (2) N/A -1.3 μg/m3 (0) 5.0
 
May 21, 2019, 7 a.m. 3.0 ppb (3) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) N/A 0.14 ppb (2) N/A -2.0 μg/m3 (0) 3.0
 
May 21, 2019, 6 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 36.0 ppb (28) 0.15 ppb (2) N/A -2.2 μg/m3 (0) 28.0
 
May 21, 2019, 5 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 34.0 ppb (26) 0.15 ppb (2) N/A N/A 26.0
 
May 21, 2019, 4 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 35.0 ppb (27) 0.16 ppb (2) N/A 2.0 μg/m3 (8) 27.0
 
May 21, 2019, 3 a.m. 3.0 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 40.0 ppb (31) 0.17 ppb (2) N/A 0.5 μg/m3 (2) 31.0
 
May 21, 2019, 2 a.m. 4.0 ppb (4) 0.0 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 47.0 ppb (36) 0.19 ppb (2) N/A 0.3 μg/m3 (1) 36.0
 
May 21, 2019, 1 a.m. 5.0 ppb (5) 0.0 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 48.0 ppb (37) 0.2 ppb (2) N/A 2.5 μg/m3 (10) 37.0
 
May 21, 2019, midnight 4.0 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 52.0 ppb (40) 0.21 ppb (2) N/A 2.7 μg/m3 (11) 40.0
 
May 20, 2019, 11 p.m. 4.0 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 51.0 ppb (39) 0.23 ppb (3) N/A -1.0 μg/m3 (0) 39.0
 
May 20, 2019, 10 p.m. 4.0 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 53.0 ppb (41) 0.23 ppb (3) N/A -0.9 μg/m3 (0) 41.0
 
May 20, 2019, 9 p.m. 6.0 ppb (6) 0.0 ppb (0) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 52.0 ppb (40) 0.23 ppb (3) N/A N/A 40.0
 
May 20, 2019, 8 p.m. 5.0 ppb (5) 0.0 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 53.0 ppb (41) 0.22 ppb (2) N/A N/A 41.0
 
May 20, 2019, 7 p.m. 5.0 ppb (5) 0.0 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 54.0 ppb (42) 0.22 ppb (2) N/A N/A 42.0
 
May 20, 2019, 6 p.m. 5.0 ppb (5) 0.0 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 53.0 ppb (41) 0.22 ppb (2) N/A N/A 41.0
 
May 20, 2019, 5 p.m. 5.0 ppb (5) 0.0 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 50.0 ppb (38) 0.23 ppb (3) N/A N/A 38.0
 
May 20, 2019, 4 p.m. 4.0 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 49.0 ppb (38) 0.22 ppb (2) N/A N/A 38.0
 
May 20, 2019, 3 p.m. 4.0 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 45.0 ppb (35) 0.22 ppb (2) N/A 11.4 μg/m3 (48) 48.0
 
May 20, 2019, 2 p.m. 6.0 ppb (6) 0.0 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 40.0 ppb (31) 0.23 ppb (3) N/A 14.1 μg/m3 (54) 54.0
 
May 20, 2019, 1 p.m. 8.0 ppb (7) 1.0 ppb (1) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 34.0 ppb (26) 0.26 ppb (3) N/A N/A 26.0
 
May 20, 2019, noon 20.0 ppb (19) 5.0 ppb (5) N/A 14.0 ppb (13) N/A N/A 21.0 ppb (16) 0.37 ppb (4) N/A 12.3 μg/m3 (51) 51.0
 
May 20, 2019, 11 a.m. 28.0 ppb (26) 6.0 ppb (6) N/A 22.0 ppb (20) N/A N/A 13.0 ppb (10) N/A N/A 12.0 μg/m3 (50) 50.0
 
May 20, 2019, 10 a.m. 34.0 ppb (31) 5.0 ppb (5) N/A 29.0 ppb (27) N/A 0.0 ppb (0) 9.0 ppb (7) N/A N/A 10.3 μg/m3 (43) 43.0
 
May 20, 2019, 9 a.m. 23.0 ppb (21) 0.0 ppb (0) N/A 22.0 ppb (20) N/A N/A N/A N/A N/A 7.7 μg/m3 (32) 32.0
 
May 20, 2019, 8 a.m. 28.0 ppb (26) 0.0 ppb (0) N/A 28.0 ppb (26) N/A 0.0 ppb (0) N/A 0.31 ppb (3) N/A 6.4 μg/m3 (27) 27.0
 
May 20, 2019, 7 a.m. 20.0 ppb (19) 0.0 ppb (0) N/A 20.0 ppb (19) N/A 0.0 ppb (0) N/A 0.26 ppb (3) N/A 7.6 μg/m3 (32) 32.0
 
May 20, 2019, 6 a.m. 14.0 ppb (13) 0.0 ppb (0) N/A 15.0 ppb (14) N/A 0.0 ppb (0) 23.0 ppb (18) 0.26 ppb (3) N/A 11.5 μg/m3 (48) 48.0
 
May 20, 2019, 5 a.m. 5.0 ppb (5) 0.0 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 35.0 ppb (27) 0.22 ppb (2) N/A N/A 27.0
 
May 20, 2019, 4 a.m. 8.0 ppb (7) 0.0 ppb (0) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 32.0 ppb (25) 0.24 ppb (3) N/A 16.1 μg/m3 (59) 59.0
 
May 20, 2019, 3 a.m. 7.0 ppb (6) 0.0 ppb (0) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 36.0 ppb (28) 0.23 ppb (3) N/A 18.8 μg/m3 (64) 64.0
 
May 20, 2019, 2 a.m. 9.0 ppb (8) 0.0 ppb (0) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 35.0 ppb (27) 0.27 ppb (3) N/A 19.9 μg/m3 (67) 67.0
 
May 20, 2019, 1 a.m. 8.0 ppb (7) 0.0 ppb (0) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 37.0 ppb (28) 0.26 ppb (3) N/A 22.2 μg/m3 (72) 72.0
 
May 20, 2019, midnight 7.0 ppb (6) 0.0 ppb (0) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 38.0 ppb (29) 0.27 ppb (3) N/A 22.9 μg/m3 (73) 73.0
 
May 19, 2019, 11 p.m. 7.0 ppb (6) 0.0 ppb (0) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 40.0 ppb (31) 0.26 ppb (3) N/A 18.8 μg/m3 (64) 64.0
 
May 19, 2019, 10 p.m. 5.0 ppb (5) 0.0 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 44.0 ppb (34) 0.24 ppb (3) N/A 14.9 μg/m3 (56) 56.0
 
May 19, 2019, 9 p.m. 10.0 ppb (9) 0.0 ppb (0) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 43.0 ppb (33) 0.26 ppb (3) N/A N/A 33.0
 
May 19, 2019, 8 p.m. 12.0 ppb (11) 1.0 ppb (1) N/A 11.0 ppb (10) N/A 0.0 ppb (0) 44.0 ppb (34) 0.26 ppb (3) N/A 14.8 μg/m3 (56) 56.0
 
May 19, 2019, 7 p.m. 10.0 ppb (9) 1.0 ppb (1) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 45.0 ppb (35) 0.23 ppb (3) N/A 9.9 μg/m3 (41) 41.0
 
May 19, 2019, 6 p.m. 9.0 ppb (8) 1.0 ppb (1) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 43.0 ppb (33) 0.23 ppb (3) N/A 6.3 μg/m3 (26) 33.0
 
May 19, 2019, 5 p.m. 9.0 ppb (8) 1.0 ppb (1) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 45.0 ppb (35) 0.2 ppb (2) N/A 7.4 μg/m3 (31) 35.0
 
May 19, 2019, 4 p.m. 14.0 ppb (13) 3.0 ppb (3) N/A 11.0 ppb (10) N/A 0.0 ppb (0) 42.0 ppb (32) 0.21 ppb (2) N/A 14.0 μg/m3 (54) 54.0
 
May 19, 2019, 3 p.m. 12.0 ppb (11) 2.0 ppb (2) N/A 10.0 ppb (9) N/A 0.0 ppb (0) 40.0 ppb (31) 0.21 ppb (2) N/A 15.2 μg/m3 (57) 57.0
 
May 19, 2019, 2 p.m. 15.0 ppb (14) 3.0 ppb (3) N/A 12.0 ppb (11) N/A 0.0 ppb (0) 36.0 ppb (28) 0.22 ppb (2) N/A 13.0 μg/m3 (52) 52.0
 
May 19, 2019, 1 p.m. 8.0 ppb (7) 1.0 ppb (1) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 34.0 ppb (26) 0.22 ppb (2) N/A N/A 26.0
 
May 19, 2019, noon 9.0 ppb (8) 0.0 ppb (0) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 35.0 ppb (27) 0.19 ppb (2) N/A 8.0 μg/m3 (33) 33.0
 
May 19, 2019, 11 a.m. 8.0 ppb (7) 0.0 ppb (0) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 35.0 ppb (27) 0.21 ppb (2) N/A 8.2 μg/m3 (34) 34.0
 
May 19, 2019, 10 a.m. 7.0 ppb (6) 0.0 ppb (0) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 31.0 ppb (24) N/A N/A 8.2 μg/m3 (34) 34.0
 
May 19, 2019, 9 a.m. 8.0 ppb (7) 0.0 ppb (0) N/A 8.0 ppb (7) N/A N/A 30.0 ppb (23) N/A N/A 6.0 μg/m3 (25) 25.0
 
May 19, 2019, 8 a.m. 11.0 ppb (10) 0.0 ppb (0) N/A 12.0 ppb (11) N/A 0.0 ppb (0) N/A 0.2 ppb (2) N/A 3.8 μg/m3 (16) 16.0
 
May 19, 2019, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.21 ppb (2) N/A 2.3 μg/m3 (10) 10.0
 
May 19, 2019, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 34.0 ppb (26) 0.21 ppb (2) N/A 2.4 μg/m3 (10) 26.0
 
May 19, 2019, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 37.0 ppb (28) 0.22 ppb (2) N/A N/A 28.0
 
May 19, 2019, 4 a.m. 10.0 ppb (9) 0.0 ppb (0) N/A 11.0 ppb (10) N/A 0.0 ppb (0) 32.0 ppb (25) 0.21 ppb (2) N/A 5.2 μg/m3 (22) 25.0
 
May 19, 2019, 3 a.m. 17.0 ppb (16) 0.0 ppb (0) N/A 17.0 ppb (16) N/A 0.0 ppb (0) 24.0 ppb (18) 0.27 ppb (3) N/A 6.9 μg/m3 (29) 29.0
 
May 19, 2019, 2 a.m. 13.0 ppb (12) 0.0 ppb (0) N/A 13.0 ppb (12) N/A 0.0 ppb (0) 31.0 ppb (24) 0.25 ppb (3) N/A 7.6 μg/m3 (32) 32.0
 
May 19, 2019, 1 a.m. 22.0 ppb (20) 0.0 ppb (0) N/A 22.0 ppb (20) N/A 0.0 ppb (0) 26.0 ppb (20) 0.27 ppb (3) N/A 10.3 μg/m3 (43) 43.0
 
May 19, 2019, midnight 24.0 ppb (22) 0.0 ppb (0) N/A 24.0 ppb (22) N/A 0.0 ppb (0) 26.0 ppb (20) 0.27 ppb (3) N/A 12.6 μg/m3 (51) 51.0
 
May 18, 2019, 11 p.m. 21.0 ppb (19) 0.0 ppb (0) N/A 21.0 ppb (19) N/A 0.0 ppb (0) 35.0 ppb (27) 0.25 ppb (3) N/A 12.2 μg/m3 (50) 50.0
 
May 18, 2019, 10 p.m. 23.0 ppb (21) 2.0 ppb (2) N/A 21.0 ppb (19) N/A 0.0 ppb (0) 40.0 ppb (31) 0.25 ppb (3) N/A 10.9 μg/m3 (45) 45.0
 
May 18, 2019, 9 p.m. 19.0 ppb (18) 1.0 ppb (1) N/A 17.0 ppb (16) N/A 0.0 ppb (0) 47.0 ppb (36) 0.24 ppb (3) N/A N/A 36.0
 
May 18, 2019, 8 p.m. 10.0 ppb (9) 0.0 ppb (0) N/A 10.0 ppb (9) N/A 0.0 ppb (0) 52.0 ppb (40) 0.2 ppb (2) N/A 2.6 μg/m3 (11) 40.0
 
May 18, 2019, 7 p.m. 3.0 ppb (3) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 50.0 ppb (38) 0.16 ppb (2) N/A 1.4 μg/m3 (6) 38.0
 
May 18, 2019, 6 p.m. 3.0 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 49.0 ppb (38) 0.13 ppb (1) N/A 3.4 μg/m3 (14) 38.0
 
May 18, 2019, 5 p.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 47.0 ppb (36) 0.14 ppb (2) N/A 3.0 μg/m3 (12) 36.0
 
May 18, 2019, 4 p.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 44.0 ppb (34) 0.13 ppb (1) N/A 2.0 μg/m3 (8) 34.0
 
May 18, 2019, 3 p.m. 8.0 ppb (7) 3.0 ppb (3) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 40.0 ppb (31) 0.15 ppb (2) N/A 1.9 μg/m3 (8) 31.0
 
May 18, 2019, 2 p.m. 10.0 ppb (9) 5.0 ppb (5) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 38.0 ppb (29) 0.15 ppb (2) N/A 2.2 μg/m3 (9) 29.0
 
May 18, 2019, 1 p.m. 5.0 ppb (5) 1.0 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 36.0 ppb (28) 0.15 ppb (2) N/A N/A 28.0
 
May 18, 2019, noon 10.0 ppb (9) 3.0 ppb (3) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 34.0 ppb (26) 0.22 ppb (2) N/A 1.1 μg/m3 (5) 26.0
 
May 18, 2019, 11 a.m. 5.0 ppb (5) 0.0 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 36.0 ppb (28) 0.16 ppb (2) N/A 0.6 μg/m3 (2) 28.0
 
May 18, 2019, 10 a.m. 8.0 ppb (7) 1.0 ppb (1) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 36.0 ppb (28) N/A N/A 1.3 μg/m3 (5) 28.0
 
May 18, 2019, 9 a.m. 4.0 ppb (4) 0.0 ppb (0) N/A 5.0 ppb (5) N/A N/A 42.0 ppb (32) N/A N/A 1.1 μg/m3 (5) 32.0
 
May 18, 2019, 8 a.m. 6.0 ppb (6) 0.0 ppb (0) N/A 6.0 ppb (6) N/A 0.0 ppb (0) N/A 0.19 ppb (2) N/A 1.2 μg/m3 (5) 6.0
 
May 18, 2019, 7 a.m. 5.0 ppb (5) 0.0 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) N/A 0.17 ppb (2) N/A 0.8 μg/m3 (3) 5.0
 
May 18, 2019, 6 a.m. 5.0 ppb (5) 0.0 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 47.0 ppb (36) 0.17 ppb (2) N/A 3.6 μg/m3 (15) 36.0
 
May 18, 2019, 5 a.m. 6.0 ppb (6) 0.0 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 48.0 ppb (37) 0.18 ppb (2) N/A N/A 37.0
 
May 18, 2019, 4 a.m. 3.0 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 45.0 ppb (35) 0.19 ppb (2) N/A 19.0 μg/m3 (65) 65.0
 
May 18, 2019, 3 a.m. 4.0 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 43.0 ppb (33) 0.21 ppb (2) N/A 16.4 μg/m3 (59) 59.0
 
May 18, 2019, 2 a.m. 13.0 ppb (12) 0.0 ppb (0) N/A 13.0 ppb (12) N/A 0.0 ppb (0) 37.0 ppb (28) 0.34 ppb (4) N/A 12.1 μg/m3 (50) 50.0
 
May 18, 2019, 1 a.m. 12.0 ppb (11) 0.0 ppb (0) N/A 12.0 ppb (11) N/A 0.0 ppb (0) 45.0 ppb (35) 0.31 ppb (3) N/A 11.6 μg/m3 (48) 48.0
 
May 18, 2019, midnight 16.0 ppb (15) 0.0 ppb (0) N/A 16.0 ppb (15) N/A 0.0 ppb (0) 44.0 ppb (34) 0.31 ppb (3) N/A 13.0 μg/m3 (52) 52.0
 
May 17, 2019, 11 p.m. 11.0 ppb (10) 0.0 ppb (0) N/A 11.0 ppb (10) N/A 0.0 ppb (0) 52.0 ppb (40) 0.28 ppb (3) N/A 13.2 μg/m3 (53) 53.0
 
May 17, 2019, 10 p.m. 8.0 ppb (7) 0.0 ppb (0) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 55.0 ppb (42) 0.25 ppb (3) N/A 11.4 μg/m3 (48) 48.0
 
May 17, 2019, 9 p.m. 8.0 ppb (7) 0.0 ppb (0) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 53.0 ppb (41) 0.25 ppb (3) N/A N/A 41.0
 
May 17, 2019, 8 p.m. 7.0 ppb (6) 0.0 ppb (0) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 56.0 ppb (43) 0.25 ppb (3) N/A 14.2 μg/m3 (55) 55.0
 
May 17, 2019, 7 p.m. 7.0 ppb (6) 0.0 ppb (0) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 56.0 ppb (43) 0.23 ppb (3) N/A 18.2 μg/m3 (63) 63.0
 
May 17, 2019, 6 p.m. 13.0 ppb (12) 1.0 ppb (1) N/A 11.0 ppb (10) N/A 0.0 ppb (0) 51.0 ppb (39) 0.29 ppb (3) N/A 14.2 μg/m3 (55) 55.0
 
May 17, 2019, 5 p.m. 17.0 ppb (16) 1.0 ppb (1) N/A 15.0 ppb (14) N/A 0.0 ppb (0) 44.0 ppb (34) 0.3 ppb (3) N/A 15.2 μg/m3 (57) 57.0
 
May 17, 2019, 4 p.m. 13.0 ppb (12) 0.0 ppb (0) N/A 13.0 ppb (12) N/A 0.0 ppb (0) 49.0 ppb (38) 0.27 ppb (3) N/A 18.3 μg/m3 (63) 63.0
 
May 17, 2019, 3 p.m. 10.0 ppb (9) 1.0 ppb (1) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 51.0 ppb (39) 0.24 ppb (3) N/A 17.2 μg/m3 (61) 61.0
 
May 17, 2019, 2 p.m. 13.0 ppb (12) 2.0 ppb (2) N/A 11.0 ppb (10) N/A 0.0 ppb (0) 43.0 ppb (33) 0.27 ppb (3) N/A 16.0 μg/m3 (59) 59.0
 
May 17, 2019, 1 p.m. 20.0 ppb (19) 4.0 ppb (4) N/A 15.0 ppb (14) N/A 0.0 ppb (0) 35.0 ppb (27) 0.3 ppb (3) N/A N/A 27.0
 
May 17, 2019, noon 19.0 ppb (18) 3.0 ppb (3) N/A 15.0 ppb (14) N/A 0.0 ppb (0) 33.0 ppb (25) 0.29 ppb (3) N/A 13.6 μg/m3 (53) 53.0
 
May 17, 2019, 11 a.m. 30.0 ppb (28) 6.0 ppb (6) N/A 23.0 ppb (21) N/A 0.0 ppb (0) 21.0 ppb (16) 0.37 ppb (4) N/A 12.3 μg/m3 (51) 51.0
 
May 17, 2019, 10 a.m. 37.0 ppb (34) 6.0 ppb (6) N/A 31.0 ppb (29) N/A 0.0 ppb (0) 11.0 ppb (8) N/A N/A 13.5 μg/m3 (53) 53.0
 
May 17, 2019, 9 a.m. 43.0 ppb (40) 6.0 ppb (6) N/A 37.0 ppb (34) N/A N/A 5.0 ppb (4) N/A N/A 13.9 μg/m3 (54) 54.0
 
May 17, 2019, 8 a.m. 38.0 ppb (35) 3.0 ppb (3) N/A 35.0 ppb (32) N/A 0.0 ppb (0) N/A 0.4 ppb (4) N/A 13.9 μg/m3 (54) 54.0
 
May 17, 2019, 7 a.m. 44.0 ppb (41) 5.0 ppb (5) N/A 38.0 ppb (35) N/A 0.0 ppb (0) N/A 0.4 ppb (4) N/A 13.5 μg/m3 (53) 53.0
 
May 17, 2019, 6 a.m. 42.0 ppb (39) 3.0 ppb (3) N/A 38.0 ppb (35) N/A 0.0 ppb (0) 5.0 ppb (4) 0.46 ppb (5) N/A 15.5 μg/m3 (57) 57.0
 
May 17, 2019, 5 a.m. 52.0 ppb (48) 6.0 ppb (6) N/A 45.0 ppb (42) N/A 0.0 ppb (0) 1.0 ppb (1) 0.54 ppb (6) N/A N/A 48.0
 
May 17, 2019, 4 a.m. 113.0 ppb (102) 64.0 ppb (61) N/A 49.0 ppb (45) N/A 0.0 ppb (0) 1.0 ppb (1) 1.09 ppb (12) N/A 14.3 μg/m3 (55) 102.0
 
May 17, 2019, 3 a.m. 135.0 ppb (107) 88.0 ppb (86) N/A 47.0 ppb (44) N/A 0.0 ppb (0) 1.0 ppb (1) 1.54 ppb (17) N/A 13.8 μg/m3 (54) 107.0
 
May 17, 2019, 2 a.m. 124.0 ppb (104) 77.0 ppb (74) N/A 46.0 ppb (43) N/A 0.0 ppb (0) 1.0 ppb (1) 1.61 ppb (18) N/A 11.1 μg/m3 (46) 104.0
 
May 17, 2019, 1 a.m. 111.0 ppb (102) 60.0 ppb (56) N/A 51.0 ppb (47) N/A 0.0 ppb (0) 2.0 ppb (2) 1.42 ppb (16) N/A 7.9 μg/m3 (33) 102.0
 
May 17, 2019, midnight 33.0 ppb (31) 1.0 ppb (1) N/A 31.0 ppb (29) N/A 0.0 ppb (0) 19.0 ppb (15) 0.56 ppb (6) N/A 6.7 μg/m3 (28) 31.0
 
May 16, 2019, 11 p.m. 10.0 ppb (9) 0.0 ppb (0) N/A 10.0 ppb (9) N/A 0.0 ppb (0) 45.0 ppb (35) 0.24 ppb (3) N/A 5.7 μg/m3 (24) 35.0
 
May 16, 2019, 10 p.m. 6.0 ppb (6) 0.0 ppb (0) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 50.0 ppb (38) 0.2 ppb (2) N/A 4.7 μg/m3 (20) 38.0
 
May 16, 2019, 9 p.m. 5.0 ppb (5) 0.0 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 51.0 ppb (39) 0.18 ppb (2) N/A N/A 39.0
 
May 16, 2019, 8 p.m. 5.0 ppb (5) 0.0 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 53.0 ppb (41) 0.18 ppb (2) N/A 5.6 μg/m3 (23) 41.0
 
May 16, 2019, 7 p.m. 4.0 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 52.0 ppb (40) 0.17 ppb (2) N/A N/A 40.0
 
May 16, 2019, 6 p.m. 3.0 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 53.0 ppb (41) 0.16 ppb (2) N/A N/A 41.0
 
May 16, 2019, 5 p.m. 3.0 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 52.0 ppb (40) 0.16 ppb (2) N/A N/A 40.0
 
May 16, 2019, 4 p.m. 3.0 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 53.0 ppb (41) 0.17 ppb (2) N/A N/A 41.0
 
May 16, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
May 16, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
May 16, 2019, 1 p.m. 11.0 ppb (10) 2.0 ppb (2) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 39.0 ppb (30) 0.23 ppb (3) N/A N/A 30.0
 
May 16, 2019, noon 21.0 ppb (19) 6.0 ppb (6) N/A 14.0 ppb (13) N/A 0.0 ppb (0) 28.0 ppb (22) 0.3 ppb (3) N/A 7.6 μg/m3 (32) 32.0
 
May 16, 2019, 11 a.m. 35.0 ppb (32) 9.0 ppb (8) N/A 25.0 ppb (23) N/A 0.0 ppb (0) 14.0 ppb (11) 0.38 ppb (4) N/A 6.8 μg/m3 (28) 32.0
 
May 16, 2019, 10 a.m. 48.0 ppb (44) 11.0 ppb (10) N/A 36.0 ppb (33) N/A 0.0 ppb (0) 6.0 ppb (5) N/A N/A 7.1 μg/m3 (30) 44.0