AQSQID: 060010013

Site Name: Berkeley Aquatic Park

Location: Berkeley (No. 2), CA

Reporting: True, Located: True

Current AQI: 50.0

Berkeley (No. 2) CA, US: 37.864767, -122.302741

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
March 19, 2019, 4 a.m. 13.4 ppb (12) 5.7 ppb (5) N/A 8.0 ppb (7) N/A N/A 40.0 ppb (31) 0.51 ppb (6) N/A 12.0 μg/m3 (50) 50.0
 
March 19, 2019, 3 a.m. 16.6 ppb (15) 6.9 ppb (6) N/A 10.0 ppb (9) N/A N/A 37.0 ppb (28) 0.56 ppb (6) N/A 13.0 μg/m3 (52) 52.0
 
March 19, 2019, 2 a.m. 20.6 ppb (19) 6.3 ppb (6) N/A 14.0 ppb (13) N/A N/A 34.0 ppb (26) 0.61 ppb (7) N/A 13.0 μg/m3 (52) 52.0
 
March 19, 2019, 1 a.m. 26.8 ppb (25) 9.6 ppb (9) N/A 17.0 ppb (16) N/A N/A 34.0 ppb (26) 0.74 ppb (8) N/A 14.0 μg/m3 (54) 54.0
 
March 19, 2019, midnight 24.1 ppb (22) 9.2 ppb (9) N/A 15.0 ppb (14) N/A N/A 39.0 ppb (30) 0.73 ppb (8) N/A 13.0 μg/m3 (52) 52.0
 
March 18, 2019, 11 p.m. 21.5 ppb (20) 7.7 ppb (7) N/A 14.0 ppb (13) N/A N/A 40.0 ppb (31) 0.73 ppb (8) N/A 14.0 μg/m3 (54) 54.0
 
March 18, 2019, 10 p.m. 18.1 ppb (17) 7.7 ppb (7) N/A 10.0 ppb (9) N/A N/A 40.0 ppb (31) 0.7 ppb (8) N/A 18.0 μg/m3 (63) 63.0
 
March 18, 2019, 9 p.m. 27.0 ppb (25) 12.6 ppb (12) N/A 14.0 ppb (13) N/A N/A 35.0 ppb (27) 0.75 ppb (8) N/A 13.0 μg/m3 (52) 52.0
 
March 18, 2019, 8 p.m. 43.2 ppb (40) 18.9 ppb (18) N/A 24.0 ppb (22) N/A N/A 28.0 ppb (22) 0.86 ppb (10) N/A 11.0 μg/m3 (46) 46.0
 
March 18, 2019, 7 p.m. 45.5 ppb (42) 19.1 ppb (18) N/A 26.0 ppb (24) N/A N/A 27.0 ppb (21) 0.83 ppb (9) N/A 11.0 μg/m3 (46) 46.0
 
March 18, 2019, 6 p.m. 54.1 ppb (50) 25.1 ppb (23) N/A 29.0 ppb (27) N/A N/A 21.0 ppb (16) 0.86 ppb (10) N/A 11.0 μg/m3 (46) 50.0
 
March 18, 2019, 5 p.m. 71.7 ppb (69) 37.5 ppb (35) N/A 34.0 ppb (31) N/A N/A 12.0 ppb (9) 0.9 ppb (10) N/A 16.0 μg/m3 (59) 69.0
 
March 18, 2019, 4 p.m. 85.8 ppb (84) 48.8 ppb (45) N/A 37.0 ppb (34) N/A N/A 7.0 ppb (5) 1.05 ppb (12) N/A 14.0 μg/m3 (54) 84.0
 
March 18, 2019, 3 p.m. 80.8 ppb (79) 47.3 ppb (44) N/A 34.0 ppb (31) N/A N/A 4.0 ppb (3) 0.99 ppb (11) N/A 16.0 μg/m3 (59) 79.0
 
March 18, 2019, 2 p.m. 77.0 ppb (74) 45.9 ppb (42) N/A 31.0 ppb (29) N/A N/A 1.0 ppb (1) 0.91 ppb (10) N/A 15.0 μg/m3 (56) 74.0
 
March 18, 2019, 1 p.m. 59.4 ppb (56) 31.8 ppb (29) N/A 28.0 ppb (26) N/A N/A 0.0 ppb (0) 0.75 ppb (8) N/A 10.0 μg/m3 (42) 56.0
 
March 18, 2019, noon 67.0 ppb (64) 36.1 ppb (33) N/A 31.0 ppb (29) N/A N/A 1.0 ppb (1) 0.74 ppb (8) N/A 17.0 μg/m3 (61) 64.0
 
March 18, 2019, 11 a.m. 42.8 ppb (40) 16.9 ppb (16) N/A 26.0 ppb (24) N/A N/A 1.0 ppb (1) 0.61 ppb (7) N/A 16.0 μg/m3 (59) 59.0
 
March 18, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (54) 54.0
 
March 18, 2019, 9 a.m. 24.2 ppb (22) 1.1 ppb (1) N/A 23.0 ppb (21) N/A N/A 3.0 ppb (2) 0.6 ppb (7) N/A 17.0 μg/m3 (61) 61.0
 
March 18, 2019, 8 a.m. 34.1 ppb (32) 6.9 ppb (6) N/A 27.0 ppb (25) N/A N/A 2.0 ppb (2) 0.7 ppb (8) N/A 14.0 μg/m3 (54) 54.0
 
March 18, 2019, 7 a.m. 31.3 ppb (29) 4.6 ppb (4) N/A 27.0 ppb (25) N/A N/A 2.0 ppb (2) 0.73 ppb (8) N/A 20.0 μg/m3 (67) 67.0
 
March 18, 2019, 6 a.m. 30.6 ppb (28) 4.1 ppb (4) N/A 27.0 ppb (25) N/A N/A 5.0 ppb (4) 0.73 ppb (8) N/A 19.0 μg/m3 (65) 65.0
 
March 18, 2019, 5 a.m. 35.2 ppb (33) 6.7 ppb (6) N/A 29.0 ppb (27) N/A N/A 6.0 ppb (5) 0.8 ppb (9) N/A 16.0 μg/m3 (59) 59.0
 
March 18, 2019, 4 a.m. 30.0 ppb (28) 6.7 ppb (6) N/A 23.0 ppb (21) N/A N/A 15.0 ppb (12) 0.77 ppb (9) N/A 10.0 μg/m3 (42) 42.0
 
March 18, 2019, 3 a.m. 23.0 ppb (21) 6.2 ppb (6) N/A 17.0 ppb (16) N/A N/A 24.0 ppb (18) 0.7 ppb (8) N/A 13.0 μg/m3 (52) 52.0
 
March 18, 2019, 2 a.m. 34.7 ppb (32) 8.4 ppb (8) N/A 26.0 ppb (24) N/A N/A 20.0 ppb (15) 0.79 ppb (9) N/A 12.0 μg/m3 (50) 50.0
 
March 18, 2019, 1 a.m. 9.1 ppb (8) 1.2 ppb (1) N/A 8.0 ppb (7) N/A N/A 47.0 ppb (36) 0.56 ppb (6) N/A 8.0 μg/m3 (33) 36.0
 
March 18, 2019, midnight 19.8 ppb (18) 4.2 ppb (4) N/A 16.0 ppb (15) N/A N/A 40.0 ppb (31) 0.72 ppb (8) N/A 15.0 μg/m3 (56) 56.0
 
March 17, 2019, 11 p.m. 23.2 ppb (21) 7.1 ppb (7) N/A 16.0 ppb (15) N/A N/A 41.0 ppb (32) 0.79 ppb (9) N/A 13.0 μg/m3 (52) 52.0
 
March 17, 2019, 10 p.m. 17.4 ppb (16) 6.2 ppb (6) N/A 11.0 ppb (10) N/A N/A 45.0 ppb (35) 0.76 ppb (8) N/A 13.0 μg/m3 (52) 52.0
 
March 17, 2019, 9 p.m. 20.7 ppb (19) 7.7 ppb (7) N/A 13.0 ppb (12) N/A N/A 38.0 ppb (29) 0.82 ppb (9) N/A 16.0 μg/m3 (59) 59.0
 
March 17, 2019, 8 p.m. 24.3 ppb (23) 8.1 ppb (8) N/A 16.0 ppb (15) N/A N/A 30.0 ppb (23) 0.81 ppb (9) N/A 15.0 μg/m3 (56) 56.0
 
March 17, 2019, 7 p.m. 26.1 ppb (24) 11.3 ppb (10) N/A 15.0 ppb (14) N/A N/A 23.0 ppb (18) 0.85 ppb (9) N/A 9.0 μg/m3 (38) 38.0
 
March 17, 2019, 6 p.m. 21.8 ppb (20) 10.8 ppb (10) N/A 11.0 ppb (10) N/A N/A 20.0 ppb (15) 0.69 ppb (8) N/A 9.0 μg/m3 (38) 38.0
 
March 17, 2019, 5 p.m. 28.2 ppb (26) 14.0 ppb (13) N/A 14.0 ppb (13) N/A N/A 17.0 ppb (13) 0.74 ppb (8) N/A 11.0 μg/m3 (46) 46.0
 
March 17, 2019, 4 p.m. 36.9 ppb (34) 19.7 ppb (18) N/A 17.0 ppb (16) N/A N/A 11.0 ppb (8) 0.9 ppb (10) N/A 13.0 μg/m3 (52) 52.0
 
March 17, 2019, 3 p.m. 34.2 ppb (32) 14.4 ppb (13) N/A 20.0 ppb (19) N/A N/A 7.0 ppb (5) 0.77 ppb (9) N/A 12.0 μg/m3 (50) 50.0
 
March 17, 2019, 2 p.m. 34.8 ppb (32) 14.5 ppb (13) N/A 20.0 ppb (19) N/A N/A 4.0 ppb (3) 0.64 ppb (7) N/A 11.0 μg/m3 (46) 46.0
 
March 17, 2019, 1 p.m. 19.2 ppb (18) 2.4 ppb (2) N/A 17.0 ppb (16) N/A N/A 7.0 ppb (5) 0.41 ppb (5) N/A 7.0 μg/m3 (29) 29.0
 
March 17, 2019, noon 15.3 ppb (14) 2.7 ppb (3) N/A 13.0 ppb (12) N/A N/A 13.0 ppb (10) 0.38 ppb (4) N/A 5.0 μg/m3 (21) 21.0
 
March 17, 2019, 11 a.m. 11.4 ppb (11) 0.7 ppb (1) N/A 11.0 ppb (10) N/A N/A 13.0 ppb (10) 0.37 ppb (4) N/A 7.0 μg/m3 (29) 29.0
 
March 17, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (38) 38.0
 
March 17, 2019, 9 a.m. 8.8 ppb (8) 0.4 ppb (0) N/A 9.0 ppb (8) N/A N/A 16.0 ppb (12) 0.42 ppb (5) N/A 12.0 μg/m3 (50) 50.0
 
March 17, 2019, 8 a.m. 7.9 ppb (7) 0.3 ppb (0) N/A 8.0 ppb (7) N/A N/A 18.0 ppb (14) 0.4 ppb (4) N/A 8.0 μg/m3 (33) 33.0
 
March 17, 2019, 7 a.m. 10.4 ppb (10) 1.5 ppb (1) N/A 9.0 ppb (8) N/A N/A 20.0 ppb (15) 0.42 ppb (5) N/A 9.0 μg/m3 (38) 38.0
 
March 17, 2019, 6 a.m. 13.2 ppb (12) 6.0 ppb (6) N/A 7.0 ppb (6) N/A N/A 24.0 ppb (18) 0.56 ppb (6) N/A 10.0 μg/m3 (42) 42.0
 
March 17, 2019, 5 a.m. 15.6 ppb (14) 6.6 ppb (6) N/A 9.0 ppb (8) N/A N/A 22.0 ppb (17) 0.63 ppb (7) N/A 9.0 μg/m3 (38) 38.0
 
March 17, 2019, 4 a.m. 20.1 ppb (19) 7.8 ppb (7) N/A 12.0 ppb (11) N/A N/A 19.0 ppb (15) 0.65 ppb (7) N/A 8.0 μg/m3 (33) 33.0
 
March 17, 2019, 3 a.m. 21.6 ppb (20) 7.7 ppb (7) N/A 14.0 ppb (13) N/A N/A 17.0 ppb (13) 0.65 ppb (7) N/A 11.0 μg/m3 (46) 46.0
 
March 17, 2019, 2 a.m. 23.0 ppb (21) 6.3 ppb (6) N/A 17.0 ppb (16) N/A N/A 22.0 ppb (17) 0.6 ppb (7) N/A 7.0 μg/m3 (29) 29.0
 
March 17, 2019, 1 a.m. 18.0 ppb (17) 4.7 ppb (4) N/A 13.0 ppb (12) N/A N/A 30.0 ppb (23) 0.62 ppb (7) N/A 8.0 μg/m3 (33) 33.0
 
March 17, 2019, midnight 17.2 ppb (16) 7.9 ppb (7) N/A 9.0 ppb (8) N/A N/A 32.0 ppb (25) 0.63 ppb (7) N/A 13.0 μg/m3 (52) 52.0
 
March 16, 2019, 11 p.m. 22.8 ppb (21) 9.7 ppb (9) N/A 13.0 ppb (12) N/A N/A 33.0 ppb (25) 0.67 ppb (7) N/A 10.0 μg/m3 (42) 42.0
 
March 16, 2019, 10 p.m. 24.4 ppb (23) 9.0 ppb (8) N/A 15.0 ppb (14) N/A N/A 37.0 ppb (28) 0.79 ppb (9) N/A 4.0 μg/m3 (17) 28.0
 
March 16, 2019, 9 p.m. 22.7 ppb (21) 9.8 ppb (9) N/A 13.0 ppb (12) N/A N/A 37.0 ppb (28) 0.85 ppb (9) N/A 7.0 μg/m3 (29) 29.0
 
March 16, 2019, 8 p.m. 23.7 ppb (22) 11.3 ppb (10) N/A 12.0 ppb (11) N/A N/A 29.0 ppb (22) 0.83 ppb (9) N/A 10.0 μg/m3 (42) 42.0
 
March 16, 2019, 7 p.m. 32.9 ppb (30) 16.9 ppb (16) N/A 16.0 ppb (15) N/A N/A 21.0 ppb (16) 0.86 ppb (10) N/A 12.0 μg/m3 (50) 50.0
 
March 16, 2019, 6 p.m. 32.5 ppb (30) 18.2 ppb (17) N/A 14.0 ppb (13) N/A N/A 16.0 ppb (12) 0.73 ppb (8) N/A 10.0 μg/m3 (42) 42.0
 
March 16, 2019, 5 p.m. 36.5 ppb (34) 20.0 ppb (19) N/A 17.0 ppb (16) N/A N/A 15.0 ppb (12) 0.75 ppb (8) N/A 8.0 μg/m3 (33) 34.0
 
March 16, 2019, 4 p.m. 49.5 ppb (46) 29.9 ppb (28) N/A 20.0 ppb (19) N/A N/A 10.0 ppb (8) 0.98 ppb (11) N/A 12.0 μg/m3 (50) 50.0
 
March 16, 2019, 3 p.m. 68.3 ppb (65) 42.3 ppb (39) N/A 26.0 ppb (24) N/A N/A 4.0 ppb (3) 1.03 ppb (11) N/A 19.0 μg/m3 (65) 65.0
 
March 16, 2019, 2 p.m. 48.7 ppb (45) 23.1 ppb (21) N/A 26.0 ppb (24) N/A N/A 1.0 ppb (1) 0.66 ppb (7) N/A 12.0 μg/m3 (50) 50.0
 
March 16, 2019, 1 p.m. 36.6 ppb (34) 12.8 ppb (12) N/A 24.0 ppb (22) N/A N/A 0.0 ppb (0) 0.5 ppb (6) N/A 9.0 μg/m3 (38) 38.0
 
March 16, 2019, noon 25.0 ppb (23) 4.7 ppb (4) N/A 20.0 ppb (19) N/A N/A 2.0 ppb (2) 0.47 ppb (5) N/A 10.0 μg/m3 (42) 42.0
 
March 16, 2019, 11 a.m. 17.4 ppb (16) 1.9 ppb (2) N/A 16.0 ppb (15) N/A N/A 9.0 ppb (7) 0.42 ppb (5) N/A 8.0 μg/m3 (33) 33.0
 
March 16, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (29) 29.0
 
March 16, 2019, 9 a.m. 15.2 ppb (14) 0.9 ppb (1) N/A 14.0 ppb (13) N/A N/A 12.0 ppb (9) 0.47 ppb (5) N/A 9.0 μg/m3 (38) 38.0
 
March 16, 2019, 8 a.m. 22.4 ppb (21) 3.7 ppb (3) N/A 19.0 ppb (18) N/A N/A 10.0 ppb (8) 0.61 ppb (7) N/A 11.0 μg/m3 (46) 46.0
 
March 16, 2019, 7 a.m. 26.8 ppb (25) 3.8 ppb (4) N/A 23.0 ppb (21) N/A N/A 7.0 ppb (5) 0.66 ppb (7) N/A 13.0 μg/m3 (52) 52.0
 
March 16, 2019, 6 a.m. 21.4 ppb (20) 4.3 ppb (4) N/A 17.0 ppb (16) N/A N/A 17.0 ppb (13) 0.59 ppb (7) N/A 9.0 μg/m3 (38) 38.0
 
March 16, 2019, 5 a.m. 28.5 ppb (26) 9.5 ppb (9) N/A 19.0 ppb (18) N/A N/A 17.0 ppb (13) 0.72 ppb (8) N/A 8.0 μg/m3 (33) 33.0
 
March 16, 2019, 4 a.m. 37.1 ppb (34) 12.9 ppb (12) N/A 24.0 ppb (22) N/A N/A 15.0 ppb (12) 0.74 ppb (8) N/A 11.0 μg/m3 (46) 46.0
 
March 16, 2019, 3 a.m. 37.7 ppb (35) 14.0 ppb (13) N/A 24.0 ppb (22) N/A N/A 15.0 ppb (12) 0.77 ppb (9) N/A 10.0 μg/m3 (42) 42.0
 
March 16, 2019, 2 a.m. 35.7 ppb (33) 10.7 ppb (10) N/A 25.0 ppb (23) N/A N/A 27.0 ppb (21) 0.75 ppb (8) N/A 12.0 μg/m3 (50) 50.0
 
March 16, 2019, 1 a.m. 38.3 ppb (35) 11.3 ppb (10) N/A 27.0 ppb (25) N/A N/A 31.0 ppb (24) 0.68 ppb (8) N/A 10.0 μg/m3 (42) 42.0
 
March 16, 2019, midnight 31.6 ppb (29) 10.6 ppb (10) N/A 21.0 ppb (19) N/A N/A 37.0 ppb (28) 0.69 ppb (8) N/A 12.0 μg/m3 (50) 50.0
 
March 15, 2019, 11 p.m. 29.0 ppb (27) 9.6 ppb (9) N/A 19.0 ppb (18) N/A N/A 42.0 ppb (32) 0.65 ppb (7) N/A 10.0 μg/m3 (42) 42.0
 
March 15, 2019, 10 p.m. 27.6 ppb (26) 10.3 ppb (10) N/A 17.0 ppb (16) N/A N/A 40.0 ppb (31) 0.71 ppb (8) N/A 8.0 μg/m3 (33) 33.0
 
March 15, 2019, 9 p.m. 34.2 ppb (32) 16.0 ppb (15) N/A 18.0 ppb (17) N/A N/A 30.0 ppb (23) 0.78 ppb (9) N/A 12.0 μg/m3 (50) 50.0
 
March 15, 2019, 8 p.m. 47.3 ppb (44) 24.0 ppb (22) N/A 23.0 ppb (21) N/A N/A 23.0 ppb (18) 0.78 ppb (9) N/A 11.0 μg/m3 (46) 46.0
 
March 15, 2019, 7 p.m. 48.5 ppb (45) 27.8 ppb (26) N/A 21.0 ppb (19) N/A N/A 15.0 ppb (12) 0.81 ppb (9) N/A 11.0 μg/m3 (46) 46.0
 
March 15, 2019, 6 p.m. 54.7 ppb (51) 33.3 ppb (31) N/A 21.0 ppb (19) N/A N/A 12.0 ppb (9) 0.67 ppb (7) N/A 11.0 μg/m3 (46) 51.0
 
March 15, 2019, 5 p.m. 93.8 ppb (92) 61.1 ppb (58) N/A 33.0 ppb (31) N/A N/A 6.0 ppb (5) 0.84 ppb (9) N/A 12.0 μg/m3 (50) 92.0
 
March 15, 2019, 4 p.m. 88.9 ppb (87) 60.2 ppb (57) N/A 29.0 ppb (27) N/A N/A 5.0 ppb (4) 0.99 ppb (11) N/A 11.0 μg/m3 (46) 87.0
 
March 15, 2019, 3 p.m. 109.3 ppb (102) 77.8 ppb (75) N/A 32.0 ppb (30) N/A N/A 2.0 ppb (2) 1.12 ppb (12) N/A 19.0 μg/m3 (65) 102.0
 
March 15, 2019, 2 p.m. 88.7 ppb (87) 62.7 ppb (59) N/A 26.0 ppb (24) N/A N/A 1.0 ppb (1) 0.9 ppb (10) N/A 8.0 μg/m3 (33) 87.0
 
March 15, 2019, 1 p.m. 47.7 ppb (44) 23.2 ppb (21) N/A 25.0 ppb (23) N/A N/A 1.0 ppb (1) 0.56 ppb (6) N/A 8.0 μg/m3 (33) 44.0
 
March 15, 2019, noon 32.5 ppb (30) 11.8 ppb (11) N/A 21.0 ppb (19) N/A N/A 1.0 ppb (1) 0.53 ppb (6) N/A 7.0 μg/m3 (29) 30.0
 
March 15, 2019, 11 a.m. 36.1 ppb (33) 14.3 ppb (13) N/A 22.0 ppb (20) N/A N/A 1.0 ppb (1) 0.42 ppb (5) N/A 5.0 μg/m3 (21) 33.0
 
March 15, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
March 15, 2019, 9 a.m. 14.2 ppb (13) 1.0 ppb (1) N/A 13.0 ppb (12) N/A N/A 8.0 ppb (6) 0.3 ppb (3) N/A 5.0 μg/m3 (21) 21.0
 
March 15, 2019, 8 a.m. 14.6 ppb (14) 3.3 ppb (3) N/A 11.0 ppb (10) N/A N/A 15.0 ppb (12) 0.39 ppb (4) N/A 5.0 μg/m3 (21) 21.0
 
March 15, 2019, 7 a.m. 11.8 ppb (11) 3.9 ppb (4) N/A 8.0 ppb (7) N/A N/A 20.0 ppb (15) 0.41 ppb (5) N/A 7.0 μg/m3 (29) 29.0
 
March 15, 2019, 6 a.m. 28.4 ppb (26) 14.8 ppb (14) N/A 14.0 ppb (13) N/A N/A 14.0 ppb (11) 0.51 ppb (6) N/A 8.0 μg/m3 (33) 33.0
 
March 15, 2019, 5 a.m. 33.0 ppb (31) 9.3 ppb (9) N/A 24.0 ppb (22) N/A N/A 2.0 ppb (2) 0.68 ppb (8) N/A 17.0 μg/m3 (61) 61.0
 
March 15, 2019, 4 a.m. 31.6 ppb (29) 12.7 ppb (12) N/A 19.0 ppb (18) N/A N/A 11.0 ppb (8) 0.57 ppb (6) N/A 6.0 μg/m3 (25) 29.0
 
March 15, 2019, 3 a.m. 21.9 ppb (20) 7.9 ppb (7) N/A 14.0 ppb (13) N/A N/A 17.0 ppb (13) 0.48 ppb (5) N/A 7.0 μg/m3 (29) 29.0
 
March 15, 2019, 2 a.m. 20.9 ppb (19) 11.1 ppb (10) N/A 10.0 ppb (9) N/A N/A 20.0 ppb (15) 0.53 ppb (6) N/A 6.0 μg/m3 (25) 25.0
 
March 15, 2019, 1 a.m. 19.7 ppb (18) 10.9 ppb (10) N/A 9.0 ppb (8) N/A N/A 24.0 ppb (18) 0.61 ppb (7) N/A 7.0 μg/m3 (29) 29.0
 
March 15, 2019, midnight 17.0 ppb (16) 9.2 ppb (9) N/A 8.0 ppb (7) N/A N/A 27.0 ppb (21) 0.6 ppb (7) N/A 7.0 μg/m3 (29) 29.0
 
March 14, 2019, 11 p.m. 18.2 ppb (17) 8.6 ppb (8) N/A 10.0 ppb (9) N/A N/A 30.0 ppb (23) 0.59 ppb (7) N/A 8.0 μg/m3 (33) 33.0
 
March 14, 2019, 10 p.m. 24.6 ppb (23) 11.3 ppb (10) N/A 13.0 ppb (12) N/A N/A 32.0 ppb (25) 0.59 ppb (7) N/A 5.0 μg/m3 (21) 25.0
 
March 14, 2019, 9 p.m. 30.8 ppb (29) 15.8 ppb (15) N/A 15.0 ppb (14) N/A N/A 32.0 ppb (25) 0.65 ppb (7) N/A 7.0 μg/m3 (29) 29.0
 
March 14, 2019, 8 p.m. 11.9 ppb (11) 5.0 ppb (5) N/A 7.0 ppb (6) N/A N/A 39.0 ppb (30) 0.55 ppb (6) N/A 4.0 μg/m3 (17) 30.0
 
March 14, 2019, 7 p.m. 6.8 ppb (6) 1.9 ppb (2) N/A 5.0 ppb (5) N/A N/A 41.0 ppb (32) 0.48 ppb (5) N/A 2.0 μg/m3 (8) 32.0
 
March 14, 2019, 6 p.m. 8.3 ppb (8) 2.3 ppb (2) N/A 6.0 ppb (6) N/A N/A 39.0 ppb (30) 0.37 ppb (4) N/A 3.0 μg/m3 (12) 30.0
 
March 14, 2019, 5 p.m. 13.6 ppb (13) 4.4 ppb (4) N/A 9.0 ppb (8) N/A N/A 35.0 ppb (27) 0.38 ppb (4) N/A 5.0 μg/m3 (21) 27.0
 
March 14, 2019, 4 p.m. 11.2 ppb (10) 2.7 ppb (3) N/A 9.0 ppb (8) N/A N/A 34.0 ppb (26) 0.53 ppb (6) N/A 7.0 μg/m3 (29) 29.0
 
March 14, 2019, 3 p.m. 25.1 ppb (23) 5.7 ppb (5) N/A 19.0 ppb (18) N/A N/A 23.0 ppb (18) 0.47 ppb (5) N/A 8.0 μg/m3 (33) 33.0
 
March 14, 2019, 2 p.m. 32.2 ppb (30) 5.9 ppb (5) N/A 26.0 ppb (24) N/A N/A 16.0 ppb (12) 0.36 ppb (4) N/A 7.0 μg/m3 (29) 30.0
 
March 14, 2019, 1 p.m. 17.0 ppb (16) 3.4 ppb (3) N/A 14.0 ppb (13) N/A N/A 29.0 ppb (22) 0.23 ppb (3) N/A 2.0 μg/m3 (8) 22.0
 
March 14, 2019, noon 26.6 ppb (25) 5.9 ppb (5) N/A 21.0 ppb (19) N/A N/A 15.0 ppb (12) 0.3 ppb (3) N/A 3.0 μg/m3 (12) 25.0
 
March 14, 2019, 11 a.m. 17.6 ppb (16) 2.3 ppb (2) N/A 15.0 ppb (14) N/A N/A 16.0 ppb (12) 0.3 ppb (3) N/A 4.0 μg/m3 (17) 17.0
 
March 14, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
March 14, 2019, 9 a.m. 20.7 ppb (19) 4.1 ppb (4) N/A 17.0 ppb (16) N/A N/A 15.0 ppb (12) 0.33 ppb (4) N/A 8.0 μg/m3 (33) 33.0
 
March 14, 2019, 8 a.m. 23.6 ppb (22) 7.9 ppb (7) N/A 16.0 ppb (15) N/A N/A 17.0 ppb (13) 0.43 ppb (5) N/A 9.0 μg/m3 (38) 38.0
 
March 14, 2019, 7 a.m. 28.1 ppb (26) 7.8 ppb (7) N/A 20.0 ppb (19) N/A N/A 15.0 ppb (12) 0.48 ppb (5) N/A 9.0 μg/m3 (38) 38.0
 
March 14, 2019, 6 a.m. 24.0 ppb (22) 8.5 ppb (8) N/A 16.0 ppb (15) N/A N/A 20.0 ppb (15) 0.51 ppb (6) N/A 6.0 μg/m3 (25) 25.0
 
March 14, 2019, 5 a.m. 20.7 ppb (19) 4.6 ppb (4) N/A 16.0 ppb (15) N/A N/A 20.0 ppb (15) 0.41 ppb (5) N/A 6.0 μg/m3 (25) 25.0
 
March 14, 2019, 4 a.m. 13.0 ppb (12) 2.6 ppb (2) N/A 10.0 ppb (9) N/A N/A 26.0 ppb (20) 0.38 ppb (4) N/A 7.0 μg/m3 (29) 29.0
 
March 14, 2019, 3 a.m. 23.8 ppb (22) 8.9 ppb (8) N/A 15.0 ppb (14) N/A N/A 23.0 ppb (18) 0.54 ppb (6) N/A 7.0 μg/m3 (29) 29.0
 
March 14, 2019, 2 a.m. 33.1 ppb (31) 14.8 ppb (14) N/A 18.0 ppb (17) N/A N/A 21.0 ppb (16) 0.71 ppb (8) N/A 8.0 μg/m3 (33) 33.0
 
March 14, 2019, 1 a.m. 29.6 ppb (27) 13.0 ppb (12) N/A 17.0 ppb (16) N/A N/A 25.0 ppb (19) 0.68 ppb (8) N/A 6.0 μg/m3 (25) 27.0
 
March 14, 2019, midnight 20.3 ppb (19) 7.9 ppb (7) N/A 12.0 ppb (11) N/A N/A 36.0 ppb (28) 0.53 ppb (6) N/A 2.0 μg/m3 (8) 28.0
 
March 13, 2019, 11 p.m. 13.0 ppb (12) 4.5 ppb (4) N/A 9.0 ppb (8) N/A N/A 41.0 ppb (32) 0.48 ppb (5) N/A 2.0 μg/m3 (8) 32.0
 
March 13, 2019, 10 p.m. 20.6 ppb (19) 8.2 ppb (8) N/A 12.0 ppb (11) N/A N/A 39.0 ppb (30) 0.59 ppb (7) N/A 5.0 μg/m3 (21) 30.0
 
March 13, 2019, 9 p.m. 33.1 ppb (31) 16.2 ppb (15) N/A 17.0 ppb (16) N/A N/A 33.0 ppb (25) 0.68 ppb (8) N/A 4.0 μg/m3 (17) 31.0
 
March 13, 2019, 8 p.m. 28.4 ppb (26) 13.3 ppb (12) N/A 15.0 ppb (14) N/A N/A 33.0 ppb (25) 0.64 ppb (7) N/A 2.0 μg/m3 (8) 26.0
 
March 13, 2019, 7 p.m. 33.7 ppb (31) 16.2 ppb (15) N/A 18.0 ppb (17) N/A N/A 29.0 ppb (22) 0.65 ppb (7) N/A 3.0 μg/m3 (12) 31.0
 
March 13, 2019, 6 p.m. 40.6 ppb (38) 19.6 ppb (18) N/A 21.0 ppb (19) N/A N/A 25.0 ppb (19) 0.52 ppb (6) N/A 5.0 μg/m3 (21) 38.0
 
March 13, 2019, 5 p.m. 48.2 ppb (45) 26.0 ppb (24) N/A 22.0 ppb (20) N/A N/A 20.0 ppb (15) 0.53 ppb (6) N/A 6.0 μg/m3 (25) 45.0
 
March 13, 2019, 4 p.m. 43.4 ppb (40) 22.0 ppb (20) N/A 21.0 ppb (19) N/A N/A 18.0 ppb (14) 0.67 ppb (7) N/A 8.0 μg/m3 (33) 40.0
 
March 13, 2019, 3 p.m. 37.5 ppb (35) 16.8 ppb (16) N/A 21.0 ppb (19) N/A N/A 16.0 ppb (12) 0.48 ppb (5) N/A 8.0 μg/m3 (33) 35.0
 
March 13, 2019, 2 p.m. 27.1 ppb (25) 6.6 ppb (6) N/A 21.0 ppb (19) N/A N/A 17.0 ppb (13) 0.33 ppb (4) N/A 5.0 μg/m3 (21) 25.0
 
March 13, 2019, 1 p.m. 49.9 ppb (46) 20.6 ppb (19) N/A 29.0 ppb (27) N/A N/A 12.0 ppb (9) 0.44 ppb (5) N/A 5.0 μg/m3 (21) 46.0
 
March 13, 2019, noon 47.8 ppb (44) 20.8 ppb (19) N/A 27.0 ppb (25) N/A N/A 12.0 ppb (9) 0.46 ppb (5) N/A 4.0 μg/m3 (17) 44.0
 
March 13, 2019, 11 a.m. 19.0 ppb (18) 5.9 ppb (5) N/A 13.0 ppb (12) N/A N/A 23.0 ppb (18) 0.18 ppb (2) N/A 4.0 μg/m3 (17) 18.0
 
March 13, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (12) 12.0
 
March 13, 2019, 9 a.m. 12.1 ppb (11) 2.7 ppb (3) N/A 9.0 ppb (8) N/A N/A 28.0 ppb (22) 0.29 ppb (3) N/A 5.0 μg/m3 (21) 22.0
 
March 13, 2019, 8 a.m. 7.0 ppb (6) 1.0 ppb (1) N/A 6.0 ppb (6) N/A N/A 32.0 ppb (25) 0.19 ppb (2) N/A 6.0 μg/m3 (25) 25.0
 
March 13, 2019, 7 a.m. 12.8 ppb (12) 3.3 ppb (3) N/A 10.0 ppb (9) N/A N/A 30.0 ppb (23) 0.28 ppb (3) N/A 6.0 μg/m3 (25) 25.0
 
March 13, 2019, 6 a.m. 14.5 ppb (13) 4.9 ppb (5) N/A 10.0 ppb (9) N/A N/A 31.0 ppb (24) 0.31 ppb (3) N/A 6.0 μg/m3 (25) 25.0
 
March 13, 2019, 5 a.m. 14.9 ppb (14) 5.4 ppb (5) N/A 10.0 ppb (9) N/A N/A 31.0 ppb (24) 0.35 ppb (4) N/A 6.0 μg/m3 (25) 25.0
 
March 13, 2019, 4 a.m. 13.6 ppb (13) 5.0 ppb (5) N/A 9.0 ppb (8) N/A N/A 33.0 ppb (25) 0.35 ppb (4) N/A 7.0 μg/m3 (29) 29.0
 
March 13, 2019, 3 a.m. 18.9 ppb (18) 8.6 ppb (8) N/A 10.0 ppb (9) N/A N/A 30.0 ppb (23) 0.45 ppb (5) N/A 10.0 μg/m3 (42) 42.0
 
March 13, 2019, 2 a.m. 18.1 ppb (17) 8.5 ppb (8) N/A 10.0 ppb (9) N/A N/A 32.0 ppb (25) 0.43 ppb (5) N/A 9.0 μg/m3 (38) 38.0
 
March 13, 2019, 1 a.m. 13.1 ppb (12) 7.0 ppb (6) N/A 6.0 ppb (6) N/A N/A 36.0 ppb (28) 0.48 ppb (5) N/A 12.0 μg/m3 (50) 50.0
 
March 13, 2019, midnight 14.5 ppb (13) 7.0 ppb (6) N/A 8.0 ppb (7) N/A N/A 37.0 ppb (28) 0.56 ppb (6) N/A 10.0 μg/m3 (42) 42.0
 
March 12, 2019, 11 p.m. 16.8 ppb (16) 8.8 ppb (8) N/A 8.0 ppb (7) N/A N/A 36.0 ppb (28) 0.61 ppb (7) N/A 10.0 μg/m3 (42) 42.0
 
March 12, 2019, 10 p.m. 15.0 ppb (14) 8.2 ppb (8) N/A 7.0 ppb (6) N/A N/A 37.0 ppb (28) 0.62 ppb (7) N/A 9.0 μg/m3 (38) 38.0
 
March 12, 2019, 9 p.m. 20.2 ppb (19) 11.3 ppb (10) N/A 9.0 ppb (8) N/A N/A 36.0 ppb (28) 0.57 ppb (6) N/A 8.0 μg/m3 (33) 33.0
 
March 12, 2019, 8 p.m. 20.6 ppb (19) 11.2 ppb (10) N/A 9.0 ppb (8) N/A N/A 33.0 ppb (25) 0.57 ppb (6) N/A 4.0 μg/m3 (17) 25.0
 
March 12, 2019, 7 p.m. 25.6 ppb (24) 13.4 ppb (12) N/A 12.0 ppb (11) N/A N/A 30.0 ppb (23) 0.67 ppb (7) N/A 6.0 μg/m3 (25) 25.0
 
March 12, 2019, 6 p.m. 35.4 ppb (33) 19.1 ppb (18) N/A 16.0 ppb (15) N/A N/A 26.0 ppb (20) 0.55 ppb (6) N/A 8.0 μg/m3 (33) 33.0
 
March 12, 2019, 5 p.m. 68.4 ppb (65) 37.9 ppb (35) N/A 31.0 ppb (29) N/A N/A 11.0 ppb (8) 0.64 ppb (7) N/A N/A 65.0
 
March 12, 2019, 4 p.m. 58.8 ppb (55) 33.0 ppb (31) N/A 26.0 ppb (24) N/A N/A 13.0 ppb (10) 0.76 ppb (8) N/A 12.0 μg/m3 (50) 55.0
 
March 12, 2019, 3 p.m. 59.7 ppb (56) 34.1 ppb (32) N/A 26.0 ppb (24) N/A N/A 5.0 ppb (4) 0.89 ppb (10) N/A 8.0 μg/m3 (33) 56.0
 
March 12, 2019, 2 p.m. 54.6 ppb (51) 26.7 ppb (25) N/A 28.0 ppb (26) N/A N/A 1.0 ppb (1) 0.57 ppb (6) N/A 13.0 μg/m3 (52) 52.0
 
March 12, 2019, 1 p.m. 31.2 ppb (29) 9.2 ppb (9) N/A 22.0 ppb (20) N/A N/A 4.0 ppb (3) 0.41 ppb (5) N/A 9.0 μg/m3 (38) 38.0
 
March 12, 2019, noon 22.8 ppb (21) 3.2 ppb (3) N/A 20.0 ppb (19) N/A N/A 6.0 ppb (5) 0.32 ppb (4) N/A 9.0 μg/m3 (38) 38.0
 
March 12, 2019, 11 a.m. 18.7 ppb (17) 1.5 ppb (1) N/A 17.0 ppb (16) N/A N/A 7.0 ppb (5) 0.35 ppb (4) N/A 10.0 μg/m3 (42) 42.0
 
March 12, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (38) 38.0
 
March 12, 2019, 9 a.m. 40.2 ppb (37) 16.3 ppb (15) N/A 24.0 ppb (22) N/A N/A 1.0 ppb (1) 0.58 ppb (6) N/A 8.0 μg/m3 (33) 37.0
 
March 12, 2019, 8 a.m. 46.0 ppb (43) 21.5 ppb (20) N/A 25.0 ppb (23) N/A N/A 0.0 ppb (0) 0.64 ppb (7) N/A 7.0 μg/m3 (29) 43.0
 
March 12, 2019, 7 a.m. 45.5 ppb (42) 19.1 ppb (18) N/A 26.0 ppb (24) N/A N/A 1.0 ppb (1) 0.59 ppb (7) N/A 6.0 μg/m3 (25) 42.0
 
March 12, 2019, 6 a.m. 46.5 ppb (43) 19.0 ppb (18) N/A 28.0 ppb (26) N/A N/A 1.0 ppb (1) 0.69 ppb (8) N/A 7.0 μg/m3 (29) 43.0
 
March 12, 2019, 5 a.m. 33.4 ppb (31) 6.6 ppb (6) N/A 27.0 ppb (25) N/A N/A 5.0 ppb (4) 0.6 ppb (7) N/A 8.0 μg/m3 (33) 33.0