AQSQID: 340130003

Site Name: Newark Firehouse

Location: Newark, NJ

Reporting: True, Located: True

Current AQI: 8.0

Newark NJ, US: 40.720989, -74.192894

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
March 26, 2019, 9 a.m. 10.0 ppb (9) 0.0 ppb (0) N/A 10.0 ppb (9) N/A N/A 34.0 ppb (26) 0.2 ppb (2) N/A -0.4 μg/m3 (0) 26.0
 
March 26, 2019, 8 a.m. 9.0 ppb (8) 0.0 ppb (0) N/A 9.0 ppb (8) N/A 0.0 ppb (0) N/A 0.18 ppb (2) N/A 0.6 μg/m3 (2) 8.0
 
March 26, 2019, 7 a.m. 8.0 ppb (7) 0.0 ppb (0) N/A 8.0 ppb (7) N/A 0.0 ppb (0) N/A 0.17 ppb (2) N/A 0.9 μg/m3 (4) 7.0
 
March 26, 2019, 6 a.m. 5.0 ppb (5) 0.0 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 40.0 ppb (31) 0.16 ppb (2) N/A 3.5 μg/m3 (15) 31.0
 
March 26, 2019, 5 a.m. 8.0 ppb (7) 0.0 ppb (0) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 39.0 ppb (30) 0.17 ppb (2) N/A N/A 30.0
 
March 26, 2019, 4 a.m. 5.0 ppb (5) 0.0 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 41.0 ppb (32) 0.16 ppb (2) N/A -0.4 μg/m3 (0) 32.0
 
March 26, 2019, 3 a.m. 6.0 ppb (6) 0.0 ppb (0) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 40.0 ppb (31) 0.17 ppb (2) N/A -0.3 μg/m3 (0) 31.0
 
March 26, 2019, 2 a.m. 11.0 ppb (10) 0.0 ppb (0) N/A 10.0 ppb (9) N/A 0.0 ppb (0) 36.0 ppb (28) 0.21 ppb (2) N/A 1.6 μg/m3 (7) 28.0
 
March 26, 2019, 1 a.m. 12.0 ppb (11) 0.0 ppb (0) N/A 11.0 ppb (10) N/A 0.0 ppb (0) 37.0 ppb (28) 0.23 ppb (3) N/A 2.9 μg/m3 (12) 28.0
 
March 26, 2019, midnight 10.0 ppb (9) 0.0 ppb (0) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 39.0 ppb (30) 0.22 ppb (2) N/A 3.7 μg/m3 (15) 30.0
 
March 25, 2019, 11 p.m. 7.0 ppb (6) 0.0 ppb (0) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 44.0 ppb (34) 0.2 ppb (2) N/A 5.0 μg/m3 (21) 34.0
 
March 25, 2019, 10 p.m. 14.0 ppb (13) 0.0 ppb (0) N/A 13.0 ppb (12) N/A 0.0 ppb (0) 38.0 ppb (29) 0.26 ppb (3) N/A 4.3 μg/m3 (18) 29.0
 
March 25, 2019, 9 p.m. 11.0 ppb (10) 0.0 ppb (0) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 40.0 ppb (31) 0.23 ppb (3) N/A N/A 31.0
 
March 25, 2019, 8 p.m. 10.0 ppb (9) 0.0 ppb (0) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 42.0 ppb (32) 0.24 ppb (3) N/A 7.6 μg/m3 (32) 32.0
 
March 25, 2019, 7 p.m. 11.0 ppb (10) 1.0 ppb (1) N/A 10.0 ppb (9) N/A 0.0 ppb (0) 43.0 ppb (33) 0.24 ppb (3) N/A 8.1 μg/m3 (34) 34.0
 
March 25, 2019, 6 p.m. 15.0 ppb (14) 3.0 ppb (3) N/A 10.0 ppb (9) N/A 0.0 ppb (0) 43.0 ppb (33) 0.23 ppb (3) N/A 8.8 μg/m3 (37) 37.0
 
March 25, 2019, 5 p.m. 13.0 ppb (12) 3.0 ppb (3) N/A 10.0 ppb (9) N/A 0.0 ppb (0) 42.0 ppb (32) 0.23 ppb (3) N/A 12.0 μg/m3 (50) 50.0
 
March 25, 2019, 4 p.m. 14.0 ppb (13) 1.0 ppb (1) N/A 11.0 ppb (10) N/A 0.0 ppb (0) 41.0 ppb (32) 0.26 ppb (3) N/A 11.5 μg/m3 (48) 48.0
 
March 25, 2019, 3 p.m. 17.0 ppb (16) 2.0 ppb (2) N/A 14.0 ppb (13) N/A 0.0 ppb (0) 39.0 ppb (30) 0.3 ppb (3) N/A 10.4 μg/m3 (43) 43.0
 
March 25, 2019, 2 p.m. 14.0 ppb (13) 1.0 ppb (1) N/A 11.0 ppb (10) N/A 0.0 ppb (0) 42.0 ppb (32) 0.26 ppb (3) N/A 9.6 μg/m3 (40) 40.0
 
March 25, 2019, 1 p.m. 13.0 ppb (12) 1.0 ppb (1) N/A 11.0 ppb (10) N/A 0.0 ppb (0) 41.0 ppb (32) 0.27 ppb (3) N/A N/A 32.0
 
March 25, 2019, noon 20.0 ppb (19) 3.0 ppb (3) N/A 17.0 ppb (16) N/A N/A 36.0 ppb (28) 0.37 ppb (4) N/A 7.7 μg/m3 (32) 32.0
 
March 25, 2019, 11 a.m. 27.0 ppb (25) 3.0 ppb (3) N/A 23.0 ppb (21) N/A N/A 30.0 ppb (23) N/A N/A 7.2 μg/m3 (30) 30.0
 
March 25, 2019, 10 a.m. 16.0 ppb (15) 0.0 ppb (0) N/A 15.0 ppb (14) N/A 0.0 ppb (0) 35.0 ppb (27) N/A N/A 4.6 μg/m3 (19) 27.0
 
March 25, 2019, 9 a.m. 10.0 ppb (9) 0.0 ppb (0) N/A 9.0 ppb (8) N/A N/A N/A 0.23 ppb (3) N/A 4.1 μg/m3 (17) 17.0
 
March 25, 2019, 8 a.m. 11.0 ppb (10) 0.0 ppb (0) N/A 11.0 ppb (10) N/A 0.0 ppb (0) N/A 0.25 ppb (3) N/A 5.5 μg/m3 (23) 23.0
 
March 25, 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 0.24 ppb (3) N/A 4.9 μg/m3 (20) 20.0
 
March 25, 2019, 6 a.m. 12.0 ppb (11) 0.0 ppb (0) N/A 12.0 ppb (11) N/A 0.0 ppb (0) 40.0 ppb (31) 0.24 ppb (3) N/A 4.4 μg/m3 (18) 31.0
 
March 25, 2019, 5 a.m. 25.0 ppb (23) 0.0 ppb (0) N/A 25.0 ppb (23) N/A 0.0 ppb (0) 27.0 ppb (21) 0.3 ppb (3) N/A N/A 23.0
 
March 25, 2019, 4 a.m. 16.0 ppb (15) 0.0 ppb (0) N/A 16.0 ppb (15) N/A 0.0 ppb (0) 36.0 ppb (28) 0.3 ppb (3) N/A 3.9 μg/m3 (16) 28.0
 
March 25, 2019, 3 a.m. 21.0 ppb (19) 0.0 ppb (0) N/A 20.0 ppb (19) N/A 0.0 ppb (0) 34.0 ppb (26) 0.32 ppb (4) N/A 5.6 μg/m3 (23) 26.0
 
March 25, 2019, 2 a.m. 30.0 ppb (28) 0.0 ppb (0) N/A 29.0 ppb (27) N/A 0.0 ppb (0) 25.0 ppb (19) 0.37 ppb (4) N/A 5.5 μg/m3 (23) 28.0
 
March 25, 2019, 1 a.m. 30.0 ppb (28) 0.0 ppb (0) N/A 29.0 ppb (27) N/A 0.0 ppb (0) 27.0 ppb (21) 0.37 ppb (4) N/A 6.4 μg/m3 (27) 28.0
 
March 25, 2019, midnight 19.0 ppb (18) 0.0 ppb (0) N/A 18.0 ppb (17) N/A 0.0 ppb (0) 39.0 ppb (30) 0.31 ppb (3) N/A 7.0 μg/m3 (29) 30.0
 
March 24, 2019, 11 p.m. 12.0 ppb (11) 0.0 ppb (0) N/A 11.0 ppb (10) N/A 0.0 ppb (0) 47.0 ppb (36) 0.28 ppb (3) N/A 8.5 μg/m3 (35) 36.0
 
March 24, 2019, 10 p.m. 10.0 ppb (9) 0.0 ppb (0) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 50.0 ppb (38) 0.26 ppb (3) N/A 9.8 μg/m3 (41) 41.0
 
March 24, 2019, 9 p.m. 8.0 ppb (7) 0.0 ppb (0) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 51.0 ppb (39) 0.23 ppb (3) N/A N/A 39.0
 
March 24, 2019, 8 p.m. 7.0 ppb (6) 0.0 ppb (0) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 52.0 ppb (40) 0.22 ppb (2) N/A 11.9 μg/m3 (50) 50.0
 
March 24, 2019, 7 p.m. 6.0 ppb (6) 0.0 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 52.0 ppb (40) 0.22 ppb (2) N/A 14.3 μg/m3 (55) 55.0
 
March 24, 2019, 6 p.m. 5.0 ppb (5) 0.0 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 51.0 ppb (39) 0.21 ppb (2) N/A 14.8 μg/m3 (56) 56.0
 
March 24, 2019, 5 p.m. 5.0 ppb (5) 0.0 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 50.0 ppb (38) 0.2 ppb (2) N/A 12.8 μg/m3 (52) 52.0
 
March 24, 2019, 4 p.m. 5.0 ppb (5) 1.0 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 49.0 ppb (38) 0.2 ppb (2) N/A 10.8 μg/m3 (45) 45.0
 
March 24, 2019, 3 p.m. 5.0 ppb (5) 1.0 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 47.0 ppb (36) 0.21 ppb (2) N/A 6.5 μg/m3 (27) 36.0
 
March 24, 2019, 2 p.m. 7.0 ppb (6) 1.0 ppb (1) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 42.0 ppb (32) 0.2 ppb (2) N/A 0.3 μg/m3 (1) 32.0
 
March 24, 2019, 1 p.m. 10.0 ppb (9) 2.0 ppb (2) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 39.0 ppb (30) 0.21 ppb (2) N/A N/A 30.0
 
March 24, 2019, noon 42.0 ppb (39) 13.0 ppb (12) N/A 28.0 ppb (26) N/A 0.0 ppb (0) 18.0 ppb (14) 0.39 ppb (4) N/A -2.2 μg/m3 (0) 39.0
 
March 24, 2019, 11 a.m. 63.0 ppb (60) 20.0 ppb (19) N/A 42.0 ppb (39) N/A 0.0 ppb (0) 5.0 ppb (4) 0.53 ppb (6) N/A -1.6 μg/m3 (0) 60.0
 
March 24, 2019, 10 a.m. 38.0 ppb (35) 2.0 ppb (2) N/A 36.0 ppb (33) N/A 0.0 ppb (0) 10.0 ppb (8) N/A N/A 0.8 μg/m3 (3) 35.0
 
March 24, 2019, 9 a.m. 38.0 ppb (35) 1.0 ppb (1) N/A 36.0 ppb (33) N/A N/A 9.0 ppb (7) 0.39 ppb (4) N/A 2.4 μg/m3 (10) 35.0
 
March 24, 2019, 8 a.m. 28.0 ppb (26) 1.0 ppb (1) N/A 26.0 ppb (24) N/A 0.0 ppb (0) N/A 0.35 ppb (4) N/A 1.0 μg/m3 (4) 26.0
 
March 24, 2019, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.37 ppb (4) N/A 0.0 μg/m3 (0) 4.0
 
March 24, 2019, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 32.0 ppb (25) 0.22 ppb (2) N/A -2.9 μg/m3 (0) 25.0
 
March 24, 2019, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 34.0 ppb (26) 0.22 ppb (2) N/A N/A 26.0
 
March 24, 2019, 4 a.m. 11.0 ppb (10) 1.0 ppb (1) N/A 10.0 ppb (9) N/A 0.0 ppb (0) 36.0 ppb (28) 0.22 ppb (2) N/A -2.1 μg/m3 (0) 28.0
 
March 24, 2019, 3 a.m. 11.0 ppb (10) 1.0 ppb (1) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 37.0 ppb (28) 0.2 ppb (2) N/A -1.9 μg/m3 (0) 28.0
 
March 24, 2019, 2 a.m. 11.0 ppb (10) 1.0 ppb (1) N/A 10.0 ppb (9) N/A 0.0 ppb (0) 37.0 ppb (28) 0.22 ppb (2) N/A -1.2 μg/m3 (0) 28.0
 
March 24, 2019, 1 a.m. 9.0 ppb (8) 0.0 ppb (0) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 40.0 ppb (31) 0.2 ppb (2) N/A -0.4 μg/m3 (0) 31.0
 
March 24, 2019, midnight 8.0 ppb (7) 0.0 ppb (0) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 41.0 ppb (32) 0.19 ppb (2) N/A 2.8 μg/m3 (12) 32.0
 
March 23, 2019, 11 p.m. 7.0 ppb (6) 0.0 ppb (0) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 42.0 ppb (32) 0.19 ppb (2) N/A 4.3 μg/m3 (18) 32.0
 
March 23, 2019, 10 p.m. 5.0 ppb (5) 0.0 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 46.0 ppb (35) 0.18 ppb (2) N/A 6.3 μg/m3 (26) 35.0
 
March 23, 2019, 9 p.m. 5.0 ppb (5) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 46.0 ppb (35) 0.18 ppb (2) N/A N/A 35.0
 
March 23, 2019, 8 p.m. 4.0 ppb (4) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 47.0 ppb (36) 0.17 ppb (2) N/A 13.6 μg/m3 (53) 53.0
 
March 23, 2019, 7 p.m. 4.0 ppb (4) 1.0 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 45.0 ppb (35) 0.18 ppb (2) N/A 14.8 μg/m3 (56) 56.0
 
March 23, 2019, 6 p.m. 5.0 ppb (5) 1.0 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 44.0 ppb (34) 0.19 ppb (2) N/A 13.9 μg/m3 (54) 54.0
 
March 23, 2019, 5 p.m. 5.0 ppb (5) 1.0 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 43.0 ppb (33) 0.18 ppb (2) N/A 11.6 μg/m3 (48) 48.0
 
March 23, 2019, 4 p.m. 5.0 ppb (5) 1.0 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 42.0 ppb (32) 0.19 ppb (2) N/A 6.0 μg/m3 (25) 32.0
 
March 23, 2019, 3 p.m. 6.0 ppb (6) 1.0 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 39.0 ppb (30) 0.19 ppb (2) N/A 3.6 μg/m3 (15) 30.0
 
March 23, 2019, 2 p.m. 8.0 ppb (7) 2.0 ppb (2) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 37.0 ppb (28) 0.19 ppb (2) N/A 2.6 μg/m3 (11) 28.0
 
March 23, 2019, 1 p.m. 7.0 ppb (6) 2.0 ppb (2) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 36.0 ppb (28) 0.2 ppb (2) N/A N/A 28.0
 
March 23, 2019, noon 7.0 ppb (6) 1.0 ppb (1) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 35.0 ppb (27) 0.2 ppb (2) N/A 0.7 μg/m3 (3) 27.0
 
March 23, 2019, 11 a.m. 7.0 ppb (6) 1.0 ppb (1) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 34.0 ppb (26) 0.22 ppb (2) N/A 0.0 μg/m3 (0) 26.0
 
March 23, 2019, 10 a.m. 5.0 ppb (5) 0.0 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 34.0 ppb (26) N/A N/A 0.0 μg/m3 (0) 26.0
 
March 23, 2019, 9 a.m. 4.0 ppb (4) 1.0 ppb (1) N/A 3.0 ppb (3) N/A N/A 34.0 ppb (26) 0.15 ppb (2) N/A -2.1 μg/m3 (0) 26.0
 
March 23, 2019, 8 a.m. 5.0 ppb (5) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) N/A 0.15 ppb (2) N/A -2.6 μg/m3 (0) 5.0
 
March 23, 2019, 7 a.m. 4.0 ppb (4) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) N/A 0.15 ppb (2) N/A -2.3 μg/m3 (0) 4.0
 
March 23, 2019, 6 a.m. 4.0 ppb (4) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 30.0 ppb (23) 0.15 ppb (2) N/A -2.4 μg/m3 (0) 23.0
 
March 23, 2019, 5 a.m. 4.0 ppb (4) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 30.0 ppb (23) 0.15 ppb (2) N/A N/A 23.0
 
March 23, 2019, 4 a.m. 4.0 ppb (4) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 32.0 ppb (25) 0.16 ppb (2) N/A -2.2 μg/m3 (0) 25.0
 
March 23, 2019, 3 a.m. 5.0 ppb (5) 0.0 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 32.0 ppb (25) 0.17 ppb (2) N/A -1.3 μg/m3 (0) 25.0
 
March 23, 2019, 2 a.m. 6.0 ppb (6) 0.0 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 35.0 ppb (27) 0.19 ppb (2) N/A 0.0 μg/m3 (0) 27.0
 
March 23, 2019, 1 a.m. 8.0 ppb (7) 0.0 ppb (0) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 39.0 ppb (30) 0.21 ppb (2) N/A 1.8 μg/m3 (8) 30.0
 
March 23, 2019, midnight 7.0 ppb (6) 0.0 ppb (0) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 42.0 ppb (32) 0.21 ppb (2) N/A 4.2 μg/m3 (18) 32.0
 
March 22, 2019, 11 p.m. 7.0 ppb (6) 0.0 ppb (0) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 43.0 ppb (33) 0.2 ppb (2) N/A 7.2 μg/m3 (30) 33.0
 
March 22, 2019, 10 p.m. 7.0 ppb (6) 1.0 ppb (1) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 45.0 ppb (35) 0.21 ppb (2) N/A 6.8 μg/m3 (28) 35.0
 
March 22, 2019, 9 p.m. 9.0 ppb (8) 1.0 ppb (1) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 43.0 ppb (33) 0.21 ppb (2) N/A N/A 33.0
 
March 22, 2019, 8 p.m. 7.0 ppb (6) 1.0 ppb (1) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 43.0 ppb (33) 0.21 ppb (2) N/A 8.3 μg/m3 (35) 35.0
 
March 22, 2019, 7 p.m. 7.0 ppb (6) 1.0 ppb (1) N/A 5.0 ppb (5) N/A 0.0 ppb (0) N/A 0.18 ppb (2) N/A 5.7 μg/m3 (24) 24.0
 
March 22, 2019, 6 p.m. 10.0 ppb (9) 3.0 ppb (3) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 47.0 ppb (36) N/A N/A 4.9 μg/m3 (20) 36.0
 
March 22, 2019, 5 p.m. 19.0 ppb (18) 9.0 ppb (8) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 43.0 ppb (33) 0.22 ppb (2) N/A 3.9 μg/m3 (16) 33.0
 
March 22, 2019, 4 p.m. 9.0 ppb (8) 2.0 ppb (2) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 37.0 ppb (28) 0.25 ppb (3) N/A 1.9 μg/m3 (8) 28.0
 
March 22, 2019, 3 p.m. 7.0 ppb (6) 1.0 ppb (1) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 39.0 ppb (30) 0.22 ppb (2) N/A 0.6 μg/m3 (2) 30.0
 
March 22, 2019, 2 p.m. 9.0 ppb (8) 1.0 ppb (1) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 38.0 ppb (29) 0.21 ppb (2) N/A -0.2 μg/m3 (0) 29.0
 
March 22, 2019, 1 p.m. 13.0 ppb (12) 2.0 ppb (2) N/A 10.0 ppb (9) N/A 0.0 ppb (0) 33.0 ppb (25) 0.25 ppb (3) N/A N/A 25.0
 
March 22, 2019, noon 13.0 ppb (12) 2.0 ppb (2) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 34.0 ppb (26) 0.26 ppb (3) N/A 1.5 μg/m3 (6) 26.0
 
March 22, 2019, 11 a.m. 12.0 ppb (11) 1.0 ppb (1) N/A 10.0 ppb (9) N/A 0.0 ppb (0) 33.0 ppb (25) 0.25 ppb (3) N/A 3.0 μg/m3 (12) 25.0
 
March 22, 2019, 10 a.m. 12.0 ppb (11) 0.0 ppb (0) N/A 11.0 ppb (10) N/A 0.0 ppb (0) 31.0 ppb (24) N/A N/A 1.8 μg/m3 (8) 24.0
 
March 22, 2019, 9 a.m. 9.0 ppb (8) 0.0 ppb (0) N/A 9.0 ppb (8) N/A N/A 36.0 ppb (28) 0.22 ppb (2) N/A 1.4 μg/m3 (6) 28.0
 
March 22, 2019, 8 a.m. 7.0 ppb (6) 0.0 ppb (0) N/A 7.0 ppb (6) N/A 0.0 ppb (0) N/A 0.21 ppb (2) N/A 1.5 μg/m3 (6) 6.0
 
March 22, 2019, 7 a.m. 7.0 ppb (6) 0.0 ppb (0) N/A 7.0 ppb (6) N/A 0.0 ppb (0) N/A 0.2 ppb (2) N/A 0.7 μg/m3 (3) 6.0
 
March 22, 2019, 6 a.m. 6.0 ppb (6) 0.0 ppb (0) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 41.0 ppb (32) 0.2 ppb (2) N/A 1.9 μg/m3 (8) 32.0
 
March 22, 2019, 5 a.m. 5.0 ppb (5) 0.0 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 42.0 ppb (32) 0.19 ppb (2) N/A N/A 32.0
 
March 22, 2019, 4 a.m. 8.0 ppb (7) 0.0 ppb (0) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 39.0 ppb (30) 0.22 ppb (2) N/A 0.2 μg/m3 (1) 30.0
 
March 22, 2019, 3 a.m. 10.0 ppb (9) 0.0 ppb (0) N/A 10.0 ppb (9) N/A 0.0 ppb (0) 38.0 ppb (29) 0.24 ppb (3) N/A 1.7 μg/m3 (7) 29.0
 
March 22, 2019, 2 a.m. 13.0 ppb (12) 0.0 ppb (0) N/A 12.0 ppb (11) N/A 0.0 ppb (0) 37.0 ppb (28) 0.27 ppb (3) N/A 3.7 μg/m3 (15) 28.0
 
March 22, 2019, 1 a.m. 16.0 ppb (15) 0.0 ppb (0) N/A 15.0 ppb (14) N/A 0.0 ppb (0) 36.0 ppb (28) 0.29 ppb (3) N/A 4.0 μg/m3 (17) 28.0
 
March 22, 2019, midnight 17.0 ppb (16) 0.0 ppb (0) N/A 16.0 ppb (15) N/A 0.0 ppb (0) 35.0 ppb (27) 0.31 ppb (3) N/A 5.7 μg/m3 (24) 27.0
 
March 21, 2019, 11 p.m. 18.0 ppb (17) 0.0 ppb (0) N/A 17.0 ppb (16) N/A 0.0 ppb (0) 32.0 ppb (25) 0.31 ppb (3) N/A 7.3 μg/m3 (30) 30.0
 
March 21, 2019, 10 p.m. 26.0 ppb (24) 1.0 ppb (1) N/A 24.0 ppb (22) N/A 0.0 ppb (0) 26.0 ppb (20) 0.38 ppb (4) N/A 9.3 μg/m3 (39) 39.0
 
March 21, 2019, 9 p.m. 34.0 ppb (31) 3.0 ppb (3) N/A 30.0 ppb (28) N/A 0.0 ppb (0) 20.0 ppb (15) 0.45 ppb (5) N/A N/A 31.0
 
March 21, 2019, 8 p.m. 43.0 ppb (40) 6.0 ppb (6) N/A 36.0 ppb (33) N/A 0.0 ppb (0) 16.0 ppb (12) 0.47 ppb (5) N/A 10.3 μg/m3 (43) 43.0
 
March 21, 2019, 7 p.m. 33.0 ppb (31) 3.0 ppb (3) N/A 29.0 ppb (27) N/A 0.0 ppb (0) 23.0 ppb (18) 0.38 ppb (4) N/A 11.0 μg/m3 (46) 46.0
 
March 21, 2019, 6 p.m. 34.0 ppb (31) 5.0 ppb (5) N/A 28.0 ppb (26) N/A 0.0 ppb (0) 25.0 ppb (19) 0.37 ppb (4) N/A 12.3 μg/m3 (51) 51.0
 
March 21, 2019, 5 p.m. 50.0 ppb (46) 12.0 ppb (11) N/A 37.0 ppb (34) N/A 0.0 ppb (0) 14.0 ppb (11) 0.49 ppb (5) N/A 12.8 μg/m3 (52) 52.0
 
March 21, 2019, 4 p.m. 54.0 ppb (50) 14.0 ppb (13) N/A 38.0 ppb (35) N/A 0.0 ppb (0) 14.0 ppb (11) 0.53 ppb (6) N/A 12.1 μg/m3 (50) 50.0
 
March 21, 2019, 3 p.m. 69.0 ppb (66) 24.0 ppb (22) N/A 44.0 ppb (41) N/A 0.0 ppb (0) 8.0 ppb (6) 0.57 ppb (6) N/A 14.2 μg/m3 (55) 66.0
 
March 21, 2019, 2 p.m. 70.0 ppb (67) 23.0 ppb (21) N/A 46.0 ppb (43) N/A 0.0 ppb (0) 7.0 ppb (5) 0.57 ppb (6) N/A 14.5 μg/m3 (55) 67.0
 
March 21, 2019, 1 p.m. 59.0 ppb (55) 16.0 ppb (15) N/A 42.0 ppb (39) N/A 0.0 ppb (0) 9.0 ppb (7) 0.55 ppb (6) N/A N/A 55.0
 
March 21, 2019, noon 72.0 ppb (69) 23.0 ppb (21) N/A 48.0 ppb (44) N/A 0.0 ppb (0) 3.0 ppb (2) 0.62 ppb (7) N/A 9.5 μg/m3 (40) 69.0
 
March 21, 2019, 11 a.m. 62.0 ppb (59) 14.0 ppb (13) N/A 47.0 ppb (44) N/A 0.0 ppb (0) 4.0 ppb (3) 0.59 ppb (7) N/A 8.6 μg/m3 (36) 59.0
 
March 21, 2019, 10 a.m. 49.0 ppb (45) 4.0 ppb (4) N/A 44.0 ppb (41) N/A 0.0 ppb (0) 9.0 ppb (7) N/A N/A 7.8 μg/m3 (32) 45.0
 
March 21, 2019, 9 a.m. 44.0 ppb (41) 1.0 ppb (1) N/A 41.0 ppb (38) N/A N/A 11.0 ppb (8) 0.28 ppb (3) N/A 6.6 μg/m3 (28) 41.0
 
March 21, 2019, 8 a.m. 46.0 ppb (43) 2.0 ppb (2) N/A 43.0 ppb (40) N/A 0.0 ppb (0) N/A 0.28 ppb (3) N/A 7.3 μg/m3 (30) 43.0
 
March 21, 2019, 7 a.m. 47.0 ppb (44) 2.0 ppb (2) N/A 44.0 ppb (41) N/A 0.0 ppb (0) N/A 0.26 ppb (3) N/A 7.9 μg/m3 (33) 44.0
 
March 21, 2019, 6 a.m. 43.0 ppb (40) 2.0 ppb (2) N/A 41.0 ppb (38) N/A 0.0 ppb (0) 11.0 ppb (8) 0.26 ppb (3) N/A 7.9 μg/m3 (33) 40.0
 
March 21, 2019, 5 a.m. 39.0 ppb (36) 1.0 ppb (1) N/A 38.0 ppb (35) N/A 0.0 ppb (0) 15.0 ppb (12) 0.27 ppb (3) N/A N/A 36.0
 
March 21, 2019, 4 a.m. 50.0 ppb (46) 2.0 ppb (2) N/A 48.0 ppb (44) N/A 0.0 ppb (0) 7.0 ppb (5) 0.29 ppb (3) N/A 5.3 μg/m3 (22) 46.0
 
March 21, 2019, 3 a.m. 39.0 ppb (36) 0.0 ppb (0) N/A 37.0 ppb (34) N/A 0.0 ppb (0) 17.0 ppb (13) 0.3 ppb (3) N/A 3.3 μg/m3 (14) 36.0
 
March 21, 2019, 2 a.m. 20.0 ppb (19) 0.0 ppb (0) N/A 20.0 ppb (19) N/A 0.0 ppb (0) 35.0 ppb (27) 0.25 ppb (3) N/A 3.9 μg/m3 (16) 27.0
 
March 21, 2019, 1 a.m. 17.0 ppb (16) 0.0 ppb (0) N/A 16.0 ppb (15) N/A 0.0 ppb (0) 39.0 ppb (30) 0.25 ppb (3) N/A 7.2 μg/m3 (30) 30.0
 
March 21, 2019, midnight 19.0 ppb (18) 0.0 ppb (0) N/A 18.0 ppb (17) N/A 0.0 ppb (0) 37.0 ppb (28) 0.25 ppb (3) N/A 10.1 μg/m3 (42) 42.0
 
March 20, 2019, 11 p.m. 17.0 ppb (16) 0.0 ppb (0) N/A 17.0 ppb (16) N/A 0.0 ppb (0) 39.0 ppb (30) 0.25 ppb (3) N/A 15.5 μg/m3 (57) 57.0
 
March 20, 2019, 10 p.m. 13.0 ppb (12) 0.0 ppb (0) N/A 12.0 ppb (11) N/A 0.0 ppb (0) 44.0 ppb (34) 0.23 ppb (3) N/A 19.9 μg/m3 (67) 67.0
 
March 20, 2019, 9 p.m. 17.0 ppb (16) 1.0 ppb (1) N/A 14.0 ppb (13) N/A 0.0 ppb (0) 44.0 ppb (34) 0.23 ppb (3) N/A N/A 34.0
 
March 20, 2019, 8 p.m. 19.0 ppb (18) 2.0 ppb (2) N/A 16.0 ppb (15) N/A 0.0 ppb (0) 43.0 ppb (33) 0.23 ppb (3) N/A 17.1 μg/m3 (61) 61.0
 
March 20, 2019, 7 p.m. 18.0 ppb (17) 3.0 ppb (3) N/A 14.0 ppb (13) N/A 0.0 ppb (0) 44.0 ppb (34) 0.24 ppb (3) N/A 20.7 μg/m3 (69) 69.0
 
March 20, 2019, 6 p.m. 18.0 ppb (17) 3.0 ppb (3) N/A 14.0 ppb (13) N/A 0.0 ppb (0) 44.0 ppb (34) 0.23 ppb (3) N/A 24.1 μg/m3 (76) 76.0
 
March 20, 2019, 5 p.m. 13.0 ppb (12) 2.0 ppb (2) N/A 10.0 ppb (9) N/A 0.0 ppb (0) 48.0 ppb (37) 0.22 ppb (2) N/A 26.9 μg/m3 (82) 82.0
 
March 20, 2019, 4 p.m. 19.0 ppb (18) 4.0 ppb (4) N/A 14.0 ppb (13) N/A 0.0 ppb (0) 41.0 ppb (32) 0.24 ppb (3) N/A 26.3 μg/m3 (80) 80.0
 
March 20, 2019, 3 p.m. 27.0 ppb (25) 7.0 ppb (6) N/A 19.0 ppb (18) N/A 0.0 ppb (0) 34.0 ppb (26) 0.29 ppb (3) N/A 23.3 μg/m3 (74) 74.0
 
March 20, 2019, 2 p.m. 47.0 ppb (44) 17.0 ppb (16) N/A 29.0 ppb (27) N/A 0.0 ppb (0) 22.0 ppb (17) 0.42 ppb (5) N/A 21.8 μg/m3 (71) 71.0
 
March 20, 2019, 1 p.m. 74.0 ppb (71) 35.0 ppb (32) N/A 38.0 ppb (35) N/A 0.0 ppb (0) 13.0 ppb (10) 0.53 ppb (6) N/A N/A 71.0
 
March 20, 2019, noon 119.0 ppb (103) 69.0 ppb (66) N/A 49.0 ppb (45) N/A 0.0 ppb (0) 6.0 ppb (5) 0.68 ppb (8) N/A 14.4 μg/m3 (55) 103.0
 
March 20, 2019, 11 a.m. 179.0 ppb (115) 122.0 ppb (104) N/A 56.0 ppb (52) N/A 0.0 ppb (0) 1.0 ppb (1) 1.18 ppb (13) N/A 11.3 μg/m3 (47) 115.0
 
March 20, 2019, 10 a.m. 125.0 ppb (105) 72.0 ppb (69) N/A 52.0 ppb (48) N/A 0.0 ppb (0) 1.0 ppb (1) N/A N/A 8.7 μg/m3 (36) 105.0
 
March 20, 2019, 9 a.m. 79.0 ppb (77) 28.0 ppb (26) N/A 49.0 ppb (45) N/A N/A 0.0 ppb (0) 0.49 ppb (5) N/A 8.0 μg/m3 (33) 77.0
 
March 20, 2019, 8 a.m. 64.0 ppb (61) 15.0 ppb (14) N/A 48.0 ppb (44) N/A 0.0 ppb (0) N/A 0.45 ppb (5) N/A 6.5 μg/m3 (27) 61.0
 
March 20, 2019, 7 a.m. 55.0 ppb (51) 7.0 ppb (6) N/A 47.0 ppb (44) N/A 0.0 ppb (0) N/A 0.37 ppb (4) N/A 5.6 μg/m3 (23) 51.0
 
March 20, 2019, 6 a.m. 35.0 ppb (32) 0.0 ppb (0) N/A 34.0 ppb (31) N/A 0.0 ppb (0) 13.0 ppb (10) 0.34 ppb (4) N/A 5.0 μg/m3 (21) 32.0
 
March 20, 2019, 5 a.m. 28.0 ppb (26) 0.0 ppb (0) N/A 27.0 ppb (25) N/A 0.0 ppb (0) 20.0 ppb (15) 0.35 ppb (4) N/A N/A 26.0
 
March 20, 2019, 4 a.m. 25.0 ppb (23) 0.0 ppb (0) N/A 24.0 ppb (22) N/A 0.0 ppb (0) 24.0 ppb (18) 0.31 ppb (3) N/A 2.6 μg/m3 (11) 23.0
 
March 20, 2019, 3 a.m. 31.0 ppb (29) 0.0 ppb (0) N/A 30.0 ppb (28) N/A 0.0 ppb (0) 20.0 ppb (15) 0.33 ppb (4) N/A 1.7 μg/m3 (7) 29.0
 
March 20, 2019, 2 a.m. 27.0 ppb (25) 0.0 ppb (0) N/A 26.0 ppb (24) N/A 0.0 ppb (0) 22.0 ppb (17) 0.34 ppb (4) N/A 3.7 μg/m3 (15) 25.0
 
March 20, 2019, 1 a.m. 27.0 ppb (25) 1.0 ppb (1) N/A 25.0 ppb (23) N/A 0.0 ppb (0) 24.0 ppb (18) 0.3 ppb (3) N/A 4.8 μg/m3 (20) 25.0
 
March 20, 2019, midnight 36.0 ppb (33) 6.0 ppb (6) N/A 30.0 ppb (28) N/A 0.0 ppb (0) 22.0 ppb (17) 0.35 ppb (4) N/A 5.8 μg/m3 (24) 33.0
 
March 19, 2019, 11 p.m. 14.0 ppb (13) 0.0 ppb (0) N/A 13.0 ppb (12) N/A 0.0 ppb (0) 39.0 ppb (30) 0.27 ppb (3) N/A 7.0 μg/m3 (29) 30.0
 
March 19, 2019, 10 p.m. 9.0 ppb (8) 0.0 ppb (0) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 44.0 ppb (34) 0.22 ppb (2) N/A 7.4 μg/m3 (31) 34.0
 
March 19, 2019, 9 p.m. 7.0 ppb (6) 1.0 ppb (1) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 46.0 ppb (35) 0.2 ppb (2) N/A N/A 35.0
 
March 19, 2019, 8 p.m. 10.0 ppb (9) 3.0 ppb (3) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 45.0 ppb (35) 0.22 ppb (2) N/A 12.8 μg/m3 (52) 52.0
 
March 19, 2019, 7 p.m. 7.0 ppb (6) 1.0 ppb (1) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 46.0 ppb (35) 0.2 ppb (2) N/A 14.4 μg/m3 (55) 55.0
 
March 19, 2019, 6 p.m. 5.0 ppb (5) 1.0 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 47.0 ppb (36) 0.19 ppb (2) N/A 16.2 μg/m3 (59) 59.0
 
March 19, 2019, 5 p.m. 5.0 ppb (5) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 47.0 ppb (36) 0.18 ppb (2) N/A 17.1 μg/m3 (61) 61.0
 
March 19, 2019, 4 p.m. 9.0 ppb (8) 2.0 ppb (2) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 43.0 ppb (33) 0.2 ppb (2) N/A 15.0 μg/m3 (56) 56.0
 
March 19, 2019, 3 p.m. 11.0 ppb (10) 3.0 ppb (3) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 41.0 ppb (32) 0.22 ppb (2) N/A 9.9 μg/m3 (41) 41.0
 
March 19, 2019, midnight 24.0 ppb (22) 2.0 ppb (2) N/A 21.0 ppb (19) N/A 0.0 ppb (0) 28.0 ppb (22) 0.32 ppb (4) N/A 5.5 μg/m3 (23) 23.0
 
March 18, 2019, 11 p.m. 14.0 ppb (13) 0.0 ppb (0) N/A 13.0 ppb (12) N/A 0.0 ppb (0) 36.0 ppb (28) 0.27 ppb (3) N/A 6.3 μg/m3 (26) 28.0
 
March 18, 2019, 10 p.m. 9.0 ppb (8) 0.0 ppb (0) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 42.0 ppb (32) 0.23 ppb (3) N/A 7.5 μg/m3 (31) 32.0
 
March 18, 2019, 9 p.m. 9.0 ppb (8) 1.0 ppb (1) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 42.0 ppb (32) 0.23 ppb (3) N/A N/A 32.0
 
March 18, 2019, 8 p.m. 10.0 ppb (9) 1.0 ppb (1) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 42.0 ppb (32) 0.23 ppb (3) N/A 12.2 μg/m3 (50) 50.0