AQSQID: 340030010

Site Name: Fort Lee Near Road

Location: Fort Lee, NJ

Reporting: True, Located: True

Current AQI: 29.0

Fort Lee NJ, US: 40.85355, -73.9661

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
May 25, 2019, 4 a.m. 15.0 ppb (14) 2.0 ppb (2) N/A 12.0 ppb (11) N/A N/A N/A 0.2 ppb (2) N/A 3.1 μg/m3 (13) 14.0
 
May 25, 2019, 3 a.m. 11.0 ppb (10) 2.0 ppb (2) N/A 9.0 ppb (8) N/A N/A N/A 0.2 ppb (2) N/A 6.9 μg/m3 (29) 29.0
 
May 25, 2019, 2 a.m. 14.0 ppb (13) 2.0 ppb (2) N/A 11.0 ppb (10) N/A N/A N/A 0.2 ppb (2) N/A 4.0 μg/m3 (17) 17.0
 
May 25, 2019, 1 a.m. 16.0 ppb (15) 4.0 ppb (4) N/A 12.0 ppb (11) N/A N/A N/A 0.2 ppb (2) N/A 0.1 μg/m3 (0) 15.0
 
May 25, 2019, midnight 14.0 ppb (13) 3.0 ppb (3) N/A 11.0 ppb (10) N/A N/A N/A 0.2 ppb (2) N/A 4.8 μg/m3 (20) 20.0
 
May 24, 2019, 11 p.m. 11.0 ppb (10) 3.0 ppb (3) N/A 8.0 ppb (7) N/A N/A N/A 0.2 ppb (2) N/A 1.1 μg/m3 (5) 10.0
 
May 24, 2019, 10 p.m. 13.0 ppb (12) 4.0 ppb (4) N/A 9.0 ppb (8) N/A N/A N/A 0.2 ppb (2) N/A 4.9 μg/m3 (20) 20.0
 
May 24, 2019, 9 p.m. 12.0 ppb (11) 4.0 ppb (4) N/A 8.0 ppb (7) N/A N/A N/A 0.2 ppb (2) N/A 3.0 μg/m3 (12) 12.0
 
May 24, 2019, 8 p.m. 17.0 ppb (16) 6.0 ppb (6) N/A 10.0 ppb (9) N/A N/A N/A 0.2 ppb (2) N/A 9.8 μg/m3 (41) 41.0
 
May 24, 2019, 7 p.m. 14.0 ppb (13) 5.0 ppb (5) N/A 8.0 ppb (7) N/A N/A N/A 0.2 ppb (2) N/A 5.1 μg/m3 (21) 21.0
 
May 24, 2019, 6 p.m. 11.0 ppb (10) 4.0 ppb (4) N/A 7.0 ppb (6) N/A N/A N/A 0.2 ppb (2) N/A 7.9 μg/m3 (33) 33.0
 
May 24, 2019, 5 p.m. 14.0 ppb (13) 5.0 ppb (5) N/A 9.0 ppb (8) N/A N/A N/A 0.2 ppb (2) N/A 11.9 μg/m3 (50) 50.0
 
May 24, 2019, 4 p.m. 15.0 ppb (14) 5.0 ppb (5) N/A 9.0 ppb (8) N/A N/A N/A 0.2 ppb (2) N/A 10.0 μg/m3 (42) 42.0
 
May 24, 2019, 3 p.m. 16.0 ppb (15) 6.0 ppb (6) N/A 9.0 ppb (8) N/A N/A N/A 0.2 ppb (2) N/A 8.0 μg/m3 (33) 33.0
 
May 24, 2019, 2 p.m. 15.0 ppb (14) 5.0 ppb (5) N/A 9.0 ppb (8) N/A N/A N/A 0.2 ppb (2) N/A 3.1 μg/m3 (13) 14.0
 
May 24, 2019, 1 p.m. 26.0 ppb (24) 12.0 ppb (11) N/A 13.0 ppb (12) N/A N/A N/A 0.2 ppb (2) N/A 11.7 μg/m3 (49) 49.0
 
May 24, 2019, noon 28.0 ppb (26) 12.0 ppb (11) N/A 15.0 ppb (14) N/A N/A N/A 0.2 ppb (2) N/A 7.1 μg/m3 (30) 30.0
 
May 24, 2019, 11 a.m. 33.0 ppb (31) 14.0 ppb (13) N/A 18.0 ppb (17) N/A N/A N/A 0.2 ppb (2) N/A 7.9 μg/m3 (33) 33.0
 
May 24, 2019, 10 a.m. 26.0 ppb (24) 8.0 ppb (7) N/A 17.0 ppb (16) N/A N/A N/A 0.2 ppb (2) N/A 9.9 μg/m3 (41) 41.0
 
May 24, 2019, 9 a.m. 27.0 ppb (25) 7.0 ppb (6) N/A 20.0 ppb (19) N/A N/A N/A N/A N/A 10.0 μg/m3 (42) 42.0
 
May 24, 2019, 8 a.m. 8.0 ppb (7) 0.0 ppb (0) N/A 7.0 ppb (6) N/A N/A N/A N/A N/A 13.9 μg/m3 (54) 54.0
 
May 24, 2019, 7 a.m. 11.0 ppb (10) 0.0 ppb (0) N/A 10.0 ppb (9) N/A N/A N/A 0.2 ppb (2) N/A 15.9 μg/m3 (58) 58.0
 
May 24, 2019, 6 a.m. 11.0 ppb (10) 0.0 ppb (0) N/A 10.0 ppb (9) N/A N/A N/A 0.2 ppb (2) N/A 22.8 μg/m3 (73) 73.0
 
May 24, 2019, 5 a.m. 15.0 ppb (14) 1.0 ppb (1) N/A 13.0 ppb (12) N/A N/A N/A 0.2 ppb (2) N/A 22.0 μg/m3 (71) 71.0
 
May 24, 2019, 4 a.m. 13.0 ppb (12) 0.0 ppb (0) N/A 12.0 ppb (11) N/A N/A N/A 0.2 ppb (2) N/A 17.1 μg/m3 (61) 61.0
 
May 24, 2019, 3 a.m. 24.0 ppb (22) 2.0 ppb (2) N/A 22.0 ppb (20) N/A N/A N/A 0.2 ppb (2) N/A 17.0 μg/m3 (61) 61.0
 
May 24, 2019, 2 a.m. 20.0 ppb (19) 1.0 ppb (1) N/A 18.0 ppb (17) N/A N/A N/A 0.2 ppb (2) N/A 13.1 μg/m3 (52) 52.0
 
May 24, 2019, 1 a.m. 15.0 ppb (14) 1.0 ppb (1) N/A 13.0 ppb (12) N/A N/A N/A 0.2 ppb (2) N/A 14.9 μg/m3 (56) 56.0
 
May 24, 2019, midnight 13.0 ppb (12) 0.0 ppb (0) N/A 13.0 ppb (12) N/A N/A N/A 0.2 ppb (2) N/A 13.0 μg/m3 (52) 52.0
 
May 23, 2019, 11 p.m. 11.0 ppb (10) 0.0 ppb (0) N/A 11.0 ppb (10) N/A N/A N/A 0.2 ppb (2) N/A 11.0 μg/m3 (46) 46.0
 
May 23, 2019, 10 p.m. 14.0 ppb (13) 0.0 ppb (0) N/A 13.0 ppb (12) N/A N/A N/A 0.2 ppb (2) N/A 14.8 μg/m3 (56) 56.0
 
May 23, 2019, 9 p.m. 16.0 ppb (15) 2.0 ppb (2) N/A 14.0 ppb (13) N/A N/A N/A 0.2 ppb (2) N/A N/A 15.0
 
May 23, 2019, 8 p.m. 13.0 ppb (12) 1.0 ppb (1) N/A 11.0 ppb (10) N/A N/A N/A 0.2 ppb (2) N/A 15.4 μg/m3 (57) 57.0
 
May 23, 2019, 7 p.m. 17.0 ppb (16) 3.0 ppb (3) N/A 14.0 ppb (13) N/A N/A N/A 0.2 ppb (2) N/A 15.0 μg/m3 (56) 56.0
 
May 23, 2019, 6 p.m. 18.0 ppb (17) 6.0 ppb (6) N/A 11.0 ppb (10) N/A N/A N/A 0.1 ppb (1) N/A 15.9 μg/m3 (58) 58.0
 
May 23, 2019, 5 p.m. 15.0 ppb (14) 5.0 ppb (5) N/A 10.0 ppb (9) N/A N/A N/A 0.1 ppb (1) N/A 9.1 μg/m3 (38) 38.0
 
May 23, 2019, 4 p.m. 19.0 ppb (18) 9.0 ppb (8) N/A 10.0 ppb (9) N/A N/A N/A 0.2 ppb (2) N/A 6.0 μg/m3 (25) 25.0
 
May 23, 2019, 3 p.m. 16.0 ppb (15) 5.0 ppb (5) N/A 10.0 ppb (9) N/A N/A N/A 0.2 ppb (2) N/A 9.8 μg/m3 (41) 41.0
 
May 23, 2019, 2 p.m. 21.0 ppb (19) 6.0 ppb (6) N/A 14.0 ppb (13) N/A N/A N/A 0.1 ppb (1) N/A 8.0 μg/m3 (33) 33.0
 
May 23, 2019, 1 p.m. 23.0 ppb (21) 7.0 ppb (6) N/A 15.0 ppb (14) N/A N/A N/A 0.2 ppb (2) N/A 9.9 μg/m3 (41) 41.0
 
May 23, 2019, noon 24.0 ppb (22) 6.0 ppb (6) N/A 18.0 ppb (17) N/A N/A N/A 0.2 ppb (2) N/A 11.9 μg/m3 (50) 50.0
 
May 23, 2019, 11 a.m. 31.0 ppb (29) 8.0 ppb (7) N/A 22.0 ppb (20) N/A N/A N/A 0.2 ppb (2) N/A 3.2 μg/m3 (13) 29.0
 
May 23, 2019, 10 a.m. 24.0 ppb (22) 5.0 ppb (5) N/A 19.0 ppb (18) N/A N/A N/A N/A N/A 4.9 μg/m3 (20) 22.0
 
May 23, 2019, 9 a.m. 16.0 ppb (15) 1.0 ppb (1) N/A 14.0 ppb (13) N/A N/A N/A N/A N/A 10.8 μg/m3 (45) 45.0
 
May 23, 2019, 8 a.m. 19.0 ppb (18) 1.0 ppb (1) N/A 18.0 ppb (17) N/A N/A N/A N/A N/A 6.1 μg/m3 (25) 25.0
 
May 23, 2019, 7 a.m. 13.0 ppb (12) 0.0 ppb (0) N/A 13.0 ppb (12) N/A N/A N/A 0.1 ppb (1) N/A 6.0 μg/m3 (25) 25.0
 
May 23, 2019, 6 a.m. 18.0 ppb (17) 0.0 ppb (0) N/A 17.0 ppb (16) N/A N/A N/A 0.1 ppb (1) N/A 6.9 μg/m3 (29) 29.0
 
May 23, 2019, 5 a.m. 16.0 ppb (15) 0.0 ppb (0) N/A 15.0 ppb (14) N/A N/A N/A 0.1 ppb (1) N/A 7.0 μg/m3 (29) 29.0
 
May 23, 2019, 4 a.m. 15.0 ppb (14) 0.0 ppb (0) N/A 15.0 ppb (14) N/A N/A N/A 0.1 ppb (1) N/A 7.9 μg/m3 (33) 33.0
 
May 23, 2019, 3 a.m. 15.0 ppb (14) 0.0 ppb (0) N/A 14.0 ppb (13) N/A N/A N/A 0.1 ppb (1) N/A 8.0 μg/m3 (33) 33.0
 
May 23, 2019, 2 a.m. 13.0 ppb (12) 0.0 ppb (0) N/A 13.0 ppb (12) N/A N/A N/A 0.1 ppb (1) N/A 7.0 μg/m3 (29) 29.0
 
May 23, 2019, 1 a.m. 30.0 ppb (28) 5.0 ppb (5) N/A 24.0 ppb (22) N/A N/A N/A 0.2 ppb (2) N/A 4.0 μg/m3 (17) 28.0
 
May 23, 2019, midnight 24.0 ppb (22) 0.0 ppb (0) N/A 24.0 ppb (22) N/A N/A N/A 0.2 ppb (2) N/A 1.0 μg/m3 (4) 22.0
 
May 22, 2019, 11 p.m. 14.0 ppb (13) 0.0 ppb (0) N/A 14.0 ppb (13) N/A N/A N/A 0.1 ppb (1) N/A 8.7 μg/m3 (36) 36.0
 
May 22, 2019, 10 p.m. 13.0 ppb (12) 2.0 ppb (2) N/A 11.0 ppb (10) N/A N/A N/A 0.1 ppb (1) N/A 7.0 μg/m3 (29) 29.0
 
May 22, 2019, 9 p.m. 19.0 ppb (18) 6.0 ppb (6) N/A 12.0 ppb (11) N/A N/A N/A 0.1 ppb (1) N/A 6.0 μg/m3 (25) 25.0
 
May 22, 2019, 8 p.m. 20.0 ppb (19) 7.0 ppb (6) N/A 12.0 ppb (11) N/A N/A N/A 0.1 ppb (1) N/A 5.0 μg/m3 (21) 21.0
 
May 22, 2019, 7 p.m. 19.0 ppb (18) 8.0 ppb (7) N/A 11.0 ppb (10) N/A N/A N/A 0.1 ppb (1) N/A 5.0 μg/m3 (21) 21.0
 
May 22, 2019, 6 p.m. 17.0 ppb (16) 7.0 ppb (6) N/A 10.0 ppb (9) N/A N/A N/A 0.1 ppb (1) N/A 5.0 μg/m3 (21) 21.0
 
May 22, 2019, 5 p.m. 16.0 ppb (15) 7.0 ppb (6) N/A 9.0 ppb (8) N/A N/A N/A 0.1 ppb (1) N/A 4.0 μg/m3 (17) 17.0
 
May 22, 2019, 4 p.m. 17.0 ppb (16) 8.0 ppb (7) N/A 9.0 ppb (8) N/A N/A N/A 0.1 ppb (1) N/A 8.8 μg/m3 (37) 37.0
 
May 22, 2019, 3 p.m. 30.0 ppb (28) 16.0 ppb (15) N/A 14.0 ppb (13) N/A N/A N/A 0.1 ppb (1) N/A 9.9 μg/m3 (41) 41.0
 
May 22, 2019, 2 p.m. 28.0 ppb (26) 14.0 ppb (13) N/A 14.0 ppb (13) N/A N/A N/A 0.1 ppb (1) N/A 9.0 μg/m3 (38) 38.0
 
May 22, 2019, 1 p.m. 33.0 ppb (31) 18.0 ppb (17) N/A 15.0 ppb (14) N/A N/A N/A 0.1 ppb (1) N/A 9.0 μg/m3 (38) 38.0
 
May 22, 2019, noon 53.0 ppb (49) 30.0 ppb (28) N/A 22.0 ppb (20) N/A N/A N/A 0.2 ppb (2) N/A 9.9 μg/m3 (41) 49.0
 
May 22, 2019, 11 a.m. 109.0 ppb (102) 74.0 ppb (71) N/A 34.0 ppb (31) N/A N/A N/A 0.2 ppb (2) N/A 9.0 μg/m3 (38) 102.0
 
May 22, 2019, 10 a.m. 61.0 ppb (57) 31.0 ppb (29) N/A 30.0 ppb (28) N/A N/A N/A 0.2 ppb (2) N/A 7.0 μg/m3 (29) 57.0
 
May 22, 2019, 9 a.m. 41.0 ppb (38) 15.0 ppb (14) N/A 25.0 ppb (23) N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 38.0
 
May 22, 2019, 8 a.m. 36.0 ppb (33) 11.0 ppb (10) N/A 24.0 ppb (22) N/A N/A N/A N/A N/A 4.9 μg/m3 (20) 33.0
 
May 22, 2019, 7 a.m. 28.0 ppb (26) 7.0 ppb (6) N/A 21.0 ppb (19) N/A N/A N/A 0.1 ppb (1) N/A 5.0 μg/m3 (21) 26.0
 
May 22, 2019, 6 a.m. 20.0 ppb (19) 4.0 ppb (4) N/A 16.0 ppb (15) N/A N/A N/A 0.1 ppb (1) N/A 4.0 μg/m3 (17) 19.0
 
May 22, 2019, 5 a.m. 19.0 ppb (18) 3.0 ppb (3) N/A 16.0 ppb (15) N/A N/A N/A 0.1 ppb (1) N/A 3.0 μg/m3 (12) 18.0
 
May 22, 2019, 4 a.m. 12.0 ppb (11) 1.0 ppb (1) N/A 11.0 ppb (10) N/A N/A N/A 0.1 ppb (1) N/A 8.8 μg/m3 (37) 37.0
 
May 22, 2019, 3 a.m. 19.0 ppb (18) 3.0 ppb (3) N/A 15.0 ppb (14) N/A N/A N/A 0.1 ppb (1) N/A 2.1 μg/m3 (9) 18.0
 
May 22, 2019, 2 a.m. 15.0 ppb (14) 2.0 ppb (2) N/A 12.0 ppb (11) N/A N/A N/A 0.1 ppb (1) N/A 1.0 μg/m3 (4) 14.0
 
May 22, 2019, 1 a.m. 14.0 ppb (13) 3.0 ppb (3) N/A 11.0 ppb (10) N/A N/A N/A 0.1 ppb (1) N/A -0.9 μg/m3 (0) 13.0
 
May 22, 2019, midnight 16.0 ppb (15) 5.0 ppb (5) N/A 11.0 ppb (10) N/A N/A N/A 0.1 ppb (1) N/A 3.8 μg/m3 (16) 16.0
 
May 21, 2019, 11 p.m. 14.0 ppb (13) 4.0 ppb (4) N/A 10.0 ppb (9) N/A N/A N/A 0.1 ppb (1) N/A 0.1 μg/m3 (0) 13.0
 
May 21, 2019, 10 p.m. 17.0 ppb (16) 6.0 ppb (6) N/A 11.0 ppb (10) N/A N/A N/A 0.1 ppb (1) N/A 4.8 μg/m3 (20) 20.0
 
May 21, 2019, 9 p.m. 20.0 ppb (19) 8.0 ppb (7) N/A 11.0 ppb (10) N/A N/A N/A 0.1 ppb (1) N/A 6.9 μg/m3 (29) 29.0
 
May 21, 2019, 8 p.m. 14.0 ppb (13) 5.0 ppb (5) N/A 8.0 ppb (7) N/A N/A N/A 0.1 ppb (1) N/A 9.9 μg/m3 (41) 41.0
 
May 21, 2019, 7 p.m. 17.0 ppb (16) 8.0 ppb (7) N/A 8.0 ppb (7) N/A N/A N/A 0.1 ppb (1) N/A 7.0 μg/m3 (29) 29.0
 
May 21, 2019, 6 p.m. 16.0 ppb (15) 7.0 ppb (6) N/A 8.0 ppb (7) N/A N/A N/A 0.1 ppb (1) N/A 7.9 μg/m3 (33) 33.0
 
May 21, 2019, 5 p.m. 20.0 ppb (19) 10.0 ppb (9) N/A 9.0 ppb (8) N/A N/A N/A 0.1 ppb (1) N/A 9.9 μg/m3 (41) 41.0
 
May 21, 2019, 4 p.m. 22.0 ppb (20) 12.0 ppb (11) N/A 10.0 ppb (9) N/A N/A N/A 0.1 ppb (1) N/A 5.1 μg/m3 (21) 21.0
 
May 21, 2019, 3 p.m. 21.0 ppb (19) 11.0 ppb (10) N/A 9.0 ppb (8) N/A N/A N/A 0.1 ppb (1) N/A 7.9 μg/m3 (33) 33.0
 
May 21, 2019, 2 p.m. 20.0 ppb (19) 11.0 ppb (10) N/A 9.0 ppb (8) N/A N/A N/A 0.1 ppb (1) N/A 9.9 μg/m3 (41) 41.0
 
May 21, 2019, 1 p.m. 21.0 ppb (19) 10.0 ppb (9) N/A 10.0 ppb (9) N/A N/A N/A 0.1 ppb (1) N/A 4.1 μg/m3 (17) 19.0
 
May 21, 2019, noon 26.0 ppb (24) 14.0 ppb (13) N/A 12.0 ppb (11) N/A N/A N/A 0.1 ppb (1) N/A 1.0 μg/m3 (4) 24.0
 
May 21, 2019, 11 a.m. 35.0 ppb (32) 19.0 ppb (18) N/A 15.0 ppb (14) N/A N/A N/A 0.1 ppb (1) N/A 5.8 μg/m3 (24) 32.0
 
May 21, 2019, 10 a.m. 40.0 ppb (37) 23.0 ppb (21) N/A 17.0 ppb (16) N/A N/A N/A 0.2 ppb (2) N/A 6.0 μg/m3 (25) 37.0
 
May 21, 2019, 9 a.m. 39.0 ppb (36) 19.0 ppb (18) N/A 19.0 ppb (18) N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 36.0
 
May 21, 2019, 8 a.m. 21.0 ppb (19) 6.0 ppb (6) N/A 14.0 ppb (13) N/A N/A N/A N/A N/A 3.0 μg/m3 (12) 19.0
 
May 21, 2019, 7 a.m. 14.0 ppb (13) 3.0 ppb (3) N/A 11.0 ppb (10) N/A N/A N/A 0.1 ppb (1) N/A -4.7 μg/m3 (0) 13.0
 
May 21, 2019, 6 a.m. 13.0 ppb (12) 2.0 ppb (2) N/A 10.0 ppb (9) N/A N/A N/A 0.1 ppb (1) N/A 3.7 μg/m3 (15) 15.0
 
May 21, 2019, 5 a.m. 13.0 ppb (12) 3.0 ppb (3) N/A 9.0 ppb (8) N/A N/A N/A 0.1 ppb (1) N/A 2.0 μg/m3 (8) 12.0
 
May 21, 2019, 4 a.m. 11.0 ppb (10) 2.0 ppb (2) N/A 8.0 ppb (7) N/A N/A N/A 0.1 ppb (1) N/A 3.9 μg/m3 (16) 16.0
 
May 21, 2019, 3 a.m. 10.0 ppb (9) 2.0 ppb (2) N/A 8.0 ppb (7) N/A N/A N/A 0.1 ppb (1) N/A 4.9 μg/m3 (20) 20.0
 
May 21, 2019, 2 a.m. 8.0 ppb (7) 0.0 ppb (0) N/A 7.0 ppb (6) N/A N/A N/A 0.1 ppb (1) N/A 5.9 μg/m3 (25) 25.0
 
May 21, 2019, 1 a.m. 9.0 ppb (8) 0.0 ppb (0) N/A 8.0 ppb (7) N/A N/A N/A 0.1 ppb (1) N/A 2.1 μg/m3 (9) 9.0
 
May 21, 2019, midnight 7.0 ppb (6) 0.0 ppb (0) N/A 7.0 ppb (6) N/A N/A N/A 0.1 ppb (1) N/A 7.8 μg/m3 (32) 32.0
 
May 20, 2019, 11 p.m. 8.0 ppb (7) 0.0 ppb (0) N/A 7.0 ppb (6) N/A N/A N/A 0.1 ppb (1) N/A 7.0 μg/m3 (29) 29.0
 
May 20, 2019, 10 p.m. 11.0 ppb (10) 1.0 ppb (1) N/A 9.0 ppb (8) N/A N/A N/A 0.2 ppb (2) N/A 13.7 μg/m3 (54) 54.0
 
May 20, 2019, 9 p.m. 9.0 ppb (8) 1.0 ppb (1) N/A 7.0 ppb (6) N/A N/A N/A 0.2 ppb (2) N/A 8.1 μg/m3 (34) 34.0
 
May 20, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (1) N/A 17.7 μg/m3 (62) 62.0
 
May 20, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (2) N/A 18.0 μg/m3 (63) 63.0
 
May 20, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (1) N/A 18.0 μg/m3 (63) 63.0
 
May 20, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (61) 61.0
 
May 20, 2019, 4 p.m. 7.0 ppb (6) 1.0 ppb (1) N/A 5.0 ppb (5) N/A N/A N/A N/A N/A 17.9 μg/m3 (63) 63.0
 
May 20, 2019, 3 p.m. 9.0 ppb (8) 2.0 ppb (2) N/A 6.0 ppb (6) N/A N/A N/A 0.1 ppb (1) N/A 17.0 μg/m3 (61) 61.0
 
May 20, 2019, 2 p.m. 15.0 ppb (14) 5.0 ppb (5) N/A 10.0 ppb (9) N/A N/A N/A 0.2 ppb (2) N/A 22.8 μg/m3 (73) 73.0
 
May 20, 2019, 1 p.m. 15.0 ppb (14) 4.0 ppb (4) N/A 10.0 ppb (9) N/A N/A N/A 0.2 ppb (2) N/A 23.9 μg/m3 (75) 75.0
 
May 20, 2019, noon 48.0 ppb (44) 22.0 ppb (20) N/A 25.0 ppb (23) N/A N/A N/A 0.3 ppb (3) N/A 23.0 μg/m3 (73) 73.0
 
May 20, 2019, 11 a.m. 48.0 ppb (44) 23.0 ppb (21) N/A 24.0 ppb (22) N/A N/A N/A 0.2 ppb (2) N/A 18.1 μg/m3 (63) 63.0
 
May 20, 2019, 10 a.m. 13.0 ppb (12) 1.0 ppb (1) N/A 12.0 ppb (11) N/A N/A N/A N/A N/A 19.9 μg/m3 (67) 67.0
 
May 20, 2019, 9 a.m. 24.0 ppb (22) 1.0 ppb (1) N/A 23.0 ppb (21) N/A N/A N/A N/A N/A 16.1 μg/m3 (59) 59.0
 
May 20, 2019, 8 a.m. 20.0 ppb (19) 0.0 ppb (0) N/A 20.0 ppb (19) N/A N/A N/A N/A N/A 11.1 μg/m3 (46) 46.0
 
May 20, 2019, 7 a.m. 14.0 ppb (13) 0.0 ppb (0) N/A 14.0 ppb (13) N/A N/A N/A 0.2 ppb (2) N/A 7.1 μg/m3 (30) 30.0
 
May 20, 2019, 6 a.m. 4.0 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A N/A N/A 0.1 ppb (1) N/A 10.8 μg/m3 (45) 45.0
 
May 20, 2019, 5 a.m. 13.0 ppb (12) 0.0 ppb (0) N/A 12.0 ppb (11) N/A N/A N/A 0.1 ppb (1) N/A 17.7 μg/m3 (62) 62.0
 
May 20, 2019, 4 a.m. 17.0 ppb (16) 0.0 ppb (0) N/A 16.0 ppb (15) N/A N/A N/A 0.2 ppb (2) N/A 19.9 μg/m3 (67) 67.0
 
May 20, 2019, 3 a.m. 16.0 ppb (15) 1.0 ppb (1) N/A 15.0 ppb (14) N/A N/A N/A 0.2 ppb (2) N/A 18.0 μg/m3 (63) 63.0
 
May 20, 2019, 2 a.m. 20.0 ppb (19) 0.0 ppb (0) N/A 20.0 ppb (19) N/A N/A N/A 0.4 ppb (4) N/A 18.9 μg/m3 (65) 65.0
 
May 20, 2019, 1 a.m. 18.0 ppb (17) 0.0 ppb (0) N/A 17.0 ppb (16) N/A N/A N/A 0.3 ppb (3) N/A 13.1 μg/m3 (52) 52.0
 
May 20, 2019, midnight 14.0 ppb (13) 0.0 ppb (0) N/A 14.0 ppb (13) N/A N/A N/A 0.3 ppb (3) N/A 10.0 μg/m3 (42) 42.0
 
May 19, 2019, 11 p.m. 12.0 ppb (11) 0.0 ppb (0) N/A 11.0 ppb (10) N/A N/A N/A 0.3 ppb (3) N/A 16.7 μg/m3 (60) 60.0
 
May 19, 2019, 10 p.m. 8.0 ppb (7) 0.0 ppb (0) N/A 8.0 ppb (7) N/A N/A N/A 0.2 ppb (2) N/A 16.0 μg/m3 (59) 59.0
 
May 19, 2019, 9 p.m. 8.0 ppb (7) 1.0 ppb (1) N/A 7.0 ppb (6) N/A N/A N/A 0.2 ppb (2) N/A 14.0 μg/m3 (54) 54.0
 
May 19, 2019, 8 p.m. 6.0 ppb (6) 0.0 ppb (0) N/A 5.0 ppb (5) N/A N/A N/A 0.2 ppb (2) N/A 14.9 μg/m3 (56) 56.0
 
May 19, 2019, 7 p.m. 6.0 ppb (6) 1.0 ppb (1) N/A 5.0 ppb (5) N/A N/A N/A 0.2 ppb (2) N/A 15.9 μg/m3 (58) 58.0
 
May 19, 2019, 6 p.m. 7.0 ppb (6) 1.0 ppb (1) N/A 5.0 ppb (5) N/A N/A N/A 0.2 ppb (2) N/A 10.1 μg/m3 (42) 42.0
 
May 19, 2019, 5 p.m. 6.0 ppb (6) 1.0 ppb (1) N/A 5.0 ppb (5) N/A N/A N/A 0.2 ppb (2) N/A 12.9 μg/m3 (52) 52.0
 
May 19, 2019, 4 p.m. 6.0 ppb (6) 1.0 ppb (1) N/A 5.0 ppb (5) N/A N/A N/A 0.2 ppb (2) N/A 11.0 μg/m3 (46) 46.0
 
May 19, 2019, 3 p.m. 12.0 ppb (11) 3.0 ppb (3) N/A 9.0 ppb (8) N/A N/A N/A 0.2 ppb (2) N/A 18.7 μg/m3 (64) 64.0
 
May 19, 2019, 2 p.m. 15.0 ppb (14) 3.0 ppb (3) N/A 11.0 ppb (10) N/A N/A N/A 0.2 ppb (2) N/A 8.3 μg/m3 (35) 35.0
 
May 19, 2019, 1 p.m. 7.0 ppb (6) 1.0 ppb (1) N/A 6.0 ppb (6) N/A N/A N/A 0.1 ppb (1) N/A 14.7 μg/m3 (56) 56.0
 
May 19, 2019, noon 12.0 ppb (11) 2.0 ppb (2) N/A 10.0 ppb (9) N/A N/A N/A 0.1 ppb (1) N/A 8.2 μg/m3 (34) 34.0
 
May 19, 2019, 11 a.m. 11.0 ppb (10) 1.0 ppb (1) N/A 10.0 ppb (9) N/A N/A N/A 0.1 ppb (1) N/A 7.0 μg/m3 (29) 29.0
 
May 19, 2019, 10 a.m. 7.0 ppb (6) 0.0 ppb (0) N/A 7.0 ppb (6) N/A N/A N/A 0.1 ppb (1) N/A 5.0 μg/m3 (21) 21.0
 
May 19, 2019, 9 a.m. 9.0 ppb (8) 0.0 ppb (0) N/A 9.0 ppb (8) N/A N/A N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
May 19, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 6.9 μg/m3 (29) 29.0
 
May 19, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (1) N/A 7.9 μg/m3 (33) 33.0
 
May 19, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (1) N/A 8.9 μg/m3 (37) 37.0
 
May 19, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (1) N/A 9.0 μg/m3 (38) 38.0
 
May 19, 2019, 4 a.m. 15.0 ppb (14) 1.0 ppb (1) N/A 13.0 ppb (12) N/A N/A N/A 0.1 ppb (1) N/A 11.9 μg/m3 (50) 50.0
 
May 19, 2019, 3 a.m. 21.0 ppb (19) 1.0 ppb (1) N/A 20.0 ppb (19) N/A N/A N/A 0.2 ppb (2) N/A 7.1 μg/m3 (30) 30.0
 
May 19, 2019, 2 a.m. 14.0 ppb (13) 0.0 ppb (0) N/A 14.0 ppb (13) N/A N/A N/A 0.2 ppb (2) N/A 8.9 μg/m3 (37) 37.0
 
May 19, 2019, 1 a.m. 11.0 ppb (10) 0.0 ppb (0) N/A 11.0 ppb (10) N/A N/A N/A 0.2 ppb (2) N/A 4.1 μg/m3 (17) 17.0
 
May 19, 2019, midnight 12.0 ppb (11) 0.0 ppb (0) N/A 12.0 ppb (11) N/A N/A N/A 0.2 ppb (2) N/A 5.9 μg/m3 (25) 25.0
 
May 18, 2019, 11 p.m. 10.0 ppb (9) 0.0 ppb (0) N/A 10.0 ppb (9) N/A N/A N/A 0.2 ppb (2) N/A 7.9 μg/m3 (33) 33.0
 
May 18, 2019, 10 p.m. 12.0 ppb (11) 1.0 ppb (1) N/A 11.0 ppb (10) N/A N/A N/A 0.2 ppb (2) N/A 3.1 μg/m3 (13) 13.0
 
May 18, 2019, 9 p.m. 17.0 ppb (16) 2.0 ppb (2) N/A 15.0 ppb (14) N/A N/A N/A 0.2 ppb (2) N/A 11.7 μg/m3 (49) 49.0
 
May 18, 2019, 8 p.m. 8.0 ppb (7) 1.0 ppb (1) N/A 6.0 ppb (6) N/A N/A N/A 0.1 ppb (1) N/A 8.1 μg/m3 (34) 34.0
 
May 18, 2019, 7 p.m. 7.0 ppb (6) 2.0 ppb (2) N/A 5.0 ppb (5) N/A N/A N/A 0.1 ppb (1) N/A 9.9 μg/m3 (41) 41.0
 
May 18, 2019, 6 p.m. 12.0 ppb (11) 3.0 ppb (3) N/A 8.0 ppb (7) N/A N/A N/A 0.1 ppb (1) N/A 8.0 μg/m3 (33) 33.0
 
May 18, 2019, 5 p.m. 14.0 ppb (13) 6.0 ppb (6) N/A 7.0 ppb (6) N/A N/A N/A 0.1 ppb (1) N/A 9.9 μg/m3 (41) 41.0
 
May 18, 2019, 4 p.m. 12.0 ppb (11) 4.0 ppb (4) N/A 7.0 ppb (6) N/A N/A N/A 0.1 ppb (1) N/A 13.8 μg/m3 (54) 54.0
 
May 18, 2019, 3 p.m. 10.0 ppb (9) 3.0 ppb (3) N/A 7.0 ppb (6) N/A N/A N/A 0.1 ppb (1) N/A 8.1 μg/m3 (34) 34.0
 
May 18, 2019, 2 p.m. 9.0 ppb (8) 3.0 ppb (3) N/A 6.0 ppb (6) N/A N/A N/A 0.1 ppb (1) N/A 8.0 μg/m3 (33) 33.0
 
May 18, 2019, 1 p.m. 12.0 ppb (11) 5.0 ppb (5) N/A 7.0 ppb (6) N/A N/A N/A 0.1 ppb (1) N/A 9.9 μg/m3 (41) 41.0
 
May 18, 2019, noon 13.0 ppb (12) 5.0 ppb (5) N/A 8.0 ppb (7) N/A N/A N/A 0.1 ppb (1) N/A 10.9 μg/m3 (45) 45.0
 
May 18, 2019, 11 a.m. 13.0 ppb (12) 4.0 ppb (4) N/A 8.0 ppb (7) N/A N/A N/A 0.1 ppb (1) N/A 8.0 μg/m3 (33) 33.0
 
May 18, 2019, 10 a.m. 42.0 ppb (39) 19.0 ppb (18) N/A 22.0 ppb (20) N/A N/A N/A 0.2 ppb (2) N/A 9.9 μg/m3 (41) 41.0
 
May 18, 2019, 9 a.m. 30.0 ppb (28) 4.0 ppb (4) N/A 25.0 ppb (23) N/A N/A N/A N/A N/A 8.0 μg/m3 (33) 33.0
 
May 18, 2019, 8 a.m. 30.0 ppb (28) 3.0 ppb (3) N/A 26.0 ppb (24) N/A N/A N/A N/A N/A 8.9 μg/m3 (37) 37.0
 
May 18, 2019, 7 a.m. 21.0 ppb (19) 2.0 ppb (2) N/A 19.0 ppb (18) N/A N/A N/A 0.1 ppb (1) N/A 6.0 μg/m3 (25) 25.0
 
May 18, 2019, 6 a.m. 11.0 ppb (10) 0.0 ppb (0) N/A 11.0 ppb (10) N/A N/A N/A 0.1 ppb (1) N/A 6.9 μg/m3 (29) 29.0
 
May 18, 2019, 5 a.m. 20.0 ppb (19) 3.0 ppb (3) N/A 17.0 ppb (16) N/A N/A N/A 0.1 ppb (1) N/A 8.9 μg/m3 (37) 37.0