ID: 1928

AQSQID: 060010009

Site Name: Oakland

Added: April 21, 2020, 6:24 p.m.

Updated: Oct. 29, 2020, 10:41 p.m.

Location: Oakland (N Stonehurst), CA

Reporting: True, Located: True

Current AQI: 74.0

Oakland (N Stonehurst) CA, US: 37.743061, -122.169907

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Oct. 29, 2020, 9 p.m. 30.5 ppb (29) 3.7 ppb (4) N/A 27.0 ppb (26) N/A N/A 42.0 ppb (39) 0.55 ppb (7) N/A 23.0 μg/m3 (74) 74.0
 
Oct. 29, 2020, 8 p.m. 31.8 ppb (30) 5.6 ppb (6) N/A 26.0 ppb (25) N/A N/A 36.0 ppb (34) 0.49 ppb (6) N/A 22.0 μg/m3 (72) 72.0
 
Oct. 29, 2020, 7 p.m. 43.1 ppb (41) 10.3 ppb (10) N/A 33.0 ppb (32) N/A N/A 25.0 ppb (24) 0.68 ppb (8) N/A 23.0 μg/m3 (74) 74.0
 
Oct. 29, 2020, 6 p.m. 54.3 ppb (52) 16.8 ppb (16) N/A 38.0 ppb (36) N/A N/A 18.0 ppb (17) 0.72 ppb (8) N/A 25.0 μg/m3 (79) 79.0
 
Oct. 29, 2020, 5 p.m. 53.3 ppb (51) 18.3 ppb (18) N/A 35.0 ppb (34) N/A N/A 16.0 ppb (15) 0.73 ppb (8) N/A 22.0 μg/m3 (72) 72.0
 
Oct. 29, 2020, 4 p.m. 45.4 ppb (43) 13.8 ppb (14) N/A 32.0 ppb (31) N/A N/A 15.0 ppb (14) 0.84 ppb (10) N/A 22.0 μg/m3 (72) 72.0
 
Oct. 29, 2020, 3 p.m. 45.9 ppb (44) 14.7 ppb (14) N/A 31.0 ppb (30) N/A N/A 13.0 ppb (13) 0.67 ppb (8) N/A 17.0 μg/m3 (62) 62.0
 
Oct. 29, 2020, 2 p.m. 40.6 ppb (39) 10.9 ppb (11) N/A 30.0 ppb (29) N/A N/A 13.0 ppb (13) 0.67 ppb (8) N/A 14.0 μg/m3 (55) 55.0
 
Oct. 29, 2020, 1 p.m. 23.5 ppb (23) 2.8 ppb (3) N/A 21.0 ppb (20) N/A N/A 21.0 ppb (20) 0.5 ppb (6) N/A 14.0 μg/m3 (55) 55.0
 
Oct. 29, 2020, noon 18.5 ppb (18) 1.9 ppb (2) N/A 17.0 ppb (17) N/A N/A 23.0 ppb (22) 0.48 ppb (6) N/A 15.0 μg/m3 (58) 58.0
 
Oct. 29, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (55) 55.0
 
Oct. 29, 2020, 10 a.m. 8.7 ppb (9) 0.1 ppb (1) N/A 9.0 ppb (9) N/A N/A 31.0 ppb (29) 0.34 ppb (4) N/A 14.0 μg/m3 (55) 55.0
 
Oct. 29, 2020, 9 a.m. 8.4 ppb (8) 0.0 ppb (0) N/A 8.0 ppb (8) N/A N/A 33.0 ppb (31) 0.34 ppb (4) N/A 21.0 μg/m3 (70) 70.0
 
Oct. 29, 2020, 8 a.m. 8.0 ppb (8) 0.3 ppb (1) N/A 8.0 ppb (8) N/A N/A 34.0 ppb (32) 0.37 ppb (5) N/A 16.0 μg/m3 (60) 60.0
 
Oct. 29, 2020, 7 a.m. 9.7 ppb (10) 0.2 ppb (1) N/A 10.0 ppb (10) N/A N/A 33.0 ppb (31) 0.38 ppb (5) N/A 15.0 μg/m3 (58) 58.0
 
Oct. 29, 2020, 6 a.m. 12.5 ppb (12) 0.2 ppb (1) N/A 12.0 ppb (12) N/A N/A 30.0 ppb (28) 0.43 ppb (5) N/A 17.0 μg/m3 (62) 62.0
 
Oct. 29, 2020, 5 a.m. 28.6 ppb (27) 1.8 ppb (2) N/A 27.0 ppb (26) N/A N/A 16.0 ppb (15) 0.72 ppb (8) N/A 19.0 μg/m3 (66) 66.0
 
Oct. 29, 2020, 4 a.m. 36.9 ppb (35) 3.3 ppb (4) N/A 34.0 ppb (33) N/A N/A 12.0 ppb (12) 0.87 ppb (11) N/A 22.0 μg/m3 (72) 72.0
 
Oct. 29, 2020, 3 a.m. 26.3 ppb (25) 2.2 ppb (3) N/A 24.0 ppb (23) N/A N/A 30.0 ppb (28) 0.56 ppb (7) N/A 23.0 μg/m3 (74) 74.0
 
Oct. 29, 2020, 2 a.m. 18.7 ppb (18) 0.1 ppb (1) N/A 19.0 ppb (18) N/A N/A 37.0 ppb (35) 0.44 ppb (5) N/A 14.0 μg/m3 (55) 55.0
 
Oct. 29, 2020, 1 a.m. 38.2 ppb (37) 0.5 ppb (1) N/A 38.0 ppb (36) N/A N/A 24.0 ppb (23) 0.49 ppb (6) N/A 18.0 μg/m3 (64) 64.0
 
Oct. 29, 2020, midnight 19.4 ppb (19) 1.1 ppb (2) N/A 18.0 ppb (17) N/A N/A 53.0 ppb (50) 0.4 ppb (5) N/A 17.0 μg/m3 (62) 62.0
 
Oct. 28, 2020, 11 p.m. 25.7 ppb (25) 2.1 ppb (2) N/A 24.0 ppb (23) N/A N/A 41.0 ppb (38) 0.39 ppb (5) N/A 17.0 μg/m3 (62) 62.0
 
Oct. 28, 2020, 10 p.m. 21.9 ppb (21) 2.4 ppb (3) N/A 20.0 ppb (19) N/A N/A 40.0 ppb (38) 0.32 ppb (4) N/A 13.0 μg/m3 (53) 53.0
 
Oct. 28, 2020, 9 p.m. 21.7 ppb (21) 3.4 ppb (4) N/A 18.0 ppb (17) N/A N/A 37.0 ppb (35) 0.32 ppb (4) N/A 15.0 μg/m3 (58) 58.0
 
Oct. 28, 2020, 8 p.m. 26.2 ppb (25) 5.3 ppb (5) N/A 21.0 ppb (20) N/A N/A 29.0 ppb (27) 0.37 ppb (5) N/A 15.0 μg/m3 (58) 58.0
 
Oct. 28, 2020, 7 p.m. 32.0 ppb (31) 8.2 ppb (8) N/A 24.0 ppb (23) N/A N/A 23.0 ppb (22) 0.43 ppb (5) N/A 12.0 μg/m3 (50) 50.0
 
Oct. 28, 2020, 6 p.m. 36.7 ppb (35) 10.6 ppb (10) N/A 26.0 ppb (25) N/A N/A 21.0 ppb (20) 0.47 ppb (6) N/A 13.0 μg/m3 (53) 53.0
 
Oct. 28, 2020, 5 p.m. 52.3 ppb (50) 19.8 ppb (19) N/A 33.0 ppb (32) N/A N/A 13.0 ppb (13) 0.59 ppb (7) N/A 19.0 μg/m3 (66) 66.0
 
Oct. 28, 2020, 4 p.m. 28.2 ppb (27) 8.4 ppb (8) N/A 20.0 ppb (19) N/A N/A 14.0 ppb (13) 0.53 ppb (6) N/A 16.0 μg/m3 (60) 60.0
 
Oct. 28, 2020, 3 p.m. 32.5 ppb (31) 9.2 ppb (9) N/A 23.0 ppb (22) N/A N/A 7.0 ppb (7) 0.66 ppb (8) N/A 10.0 μg/m3 (42) 42.0
 
Oct. 28, 2020, 2 p.m. 29.8 ppb (29) 7.8 ppb (8) N/A 22.0 ppb (21) N/A N/A 8.0 ppb (8) 0.64 ppb (7) N/A 7.0 μg/m3 (30) 30.0
 
Oct. 28, 2020, 1 p.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
 
Oct. 28, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (42) 42.0
 
Oct. 28, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (58) 58.0
 
Oct. 28, 2020, 10 a.m. 5.7 ppb (6) 0.2 ppb (1) N/A 6.0 ppb (6) N/A N/A 23.0 ppb (22) 0.32 ppb (4) N/A 6.0 μg/m3 (25) 25.0
 
Oct. 28, 2020, 9 a.m. 8.4 ppb (8) 0.2 ppb (1) N/A 8.0 ppb (8) N/A N/A 20.0 ppb (19) 0.37 ppb (5) N/A 8.0 μg/m3 (34) 34.0
 
Oct. 28, 2020, 8 a.m. 10.2 ppb (10) 0.6 ppb (1) N/A 10.0 ppb (10) N/A N/A 20.0 ppb (19) 0.4 ppb (5) N/A 4.0 μg/m3 (17) 19.0
 
Oct. 28, 2020, 7 a.m. 10.9 ppb (11) 0.7 ppb (1) N/A 10.0 ppb (10) N/A N/A 21.0 ppb (20) 0.4 ppb (5) N/A 6.0 μg/m3 (25) 25.0
 
Oct. 28, 2020, 6 a.m. 15.6 ppb (15) 0.9 ppb (1) N/A 15.0 ppb (15) N/A N/A 18.0 ppb (17) 0.51 ppb (6) N/A 6.0 μg/m3 (25) 25.0
 
Oct. 28, 2020, 5 a.m. 58.3 ppb (56) 22.2 ppb (21) N/A 36.0 ppb (34) N/A N/A 1.0 ppb (1) 1.34 ppb (15) N/A 17.0 μg/m3 (62) 62.0
 
Oct. 28, 2020, 4 a.m. 40.9 ppb (39) 8.7 ppb (9) N/A 32.0 ppb (31) N/A N/A 6.0 ppb (6) 0.96 ppb (12) N/A 13.0 μg/m3 (53) 53.0
 
Oct. 28, 2020, 3 a.m. 31.9 ppb (31) 3.8 ppb (4) N/A 28.0 ppb (27) N/A N/A 10.0 ppb (10) 0.73 ppb (8) N/A 11.0 μg/m3 (46) 46.0
 
Oct. 28, 2020, 2 a.m. 41.5 ppb (40) 5.3 ppb (5) N/A 36.0 ppb (34) N/A N/A 8.0 ppb (8) 0.9 ppb (11) N/A 19.0 μg/m3 (66) 66.0
 
Oct. 28, 2020, 1 a.m. 31.6 ppb (30) 1.9 ppb (2) N/A 30.0 ppb (29) N/A N/A 20.0 ppb (19) 0.51 ppb (6) N/A 12.0 μg/m3 (50) 50.0
 
Oct. 28, 2020, midnight 12.3 ppb (12) 0.5 ppb (1) N/A 12.0 ppb (12) N/A N/A 35.0 ppb (33) 0.36 ppb (5) N/A 7.0 μg/m3 (30) 33.0
 
Oct. 27, 2020, 11 p.m. 10.7 ppb (11) 0.9 ppb (1) N/A 10.0 ppb (10) N/A N/A 36.0 ppb (34) 0.31 ppb (4) N/A 7.0 μg/m3 (30) 34.0
 
Oct. 27, 2020, 10 p.m. 5.0 ppb (5) 0.5 ppb (1) N/A 5.0 ppb (5) N/A N/A 37.0 ppb (35) 0.28 ppb (4) N/A 6.0 μg/m3 (25) 35.0
 
Oct. 27, 2020, 9 p.m. 4.0 ppb (4) 0.5 ppb (1) N/A 4.0 ppb (4) N/A N/A 36.0 ppb (34) 0.27 ppb (4) N/A 6.0 μg/m3 (25) 34.0
 
Oct. 27, 2020, 8 p.m. 3.9 ppb (4) 0.5 ppb (1) N/A 3.0 ppb (3) N/A N/A 35.0 ppb (33) 0.27 ppb (4) N/A 6.0 μg/m3 (25) 33.0
 
Oct. 27, 2020, 7 p.m. 3.7 ppb (4) 0.5 ppb (1) N/A 3.0 ppb (3) N/A N/A 34.0 ppb (32) 0.27 ppb (4) N/A 5.0 μg/m3 (21) 32.0
 
Oct. 27, 2020, 6 p.m. 3.6 ppb (4) 0.5 ppb (1) N/A 3.0 ppb (3) N/A N/A 33.0 ppb (31) 0.28 ppb (4) N/A 3.0 μg/m3 (13) 31.0
 
Oct. 27, 2020, 5 p.m. 4.6 ppb (5) 1.0 ppb (1) N/A 4.0 ppb (4) N/A N/A 32.0 ppb (30) 0.29 ppb (4) N/A 6.0 μg/m3 (25) 30.0
 
Oct. 27, 2020, 4 p.m. 5.0 ppb (5) 1.0 ppb (1) N/A 4.0 ppb (4) N/A N/A 31.0 ppb (29) 0.3 ppb (4) N/A 8.0 μg/m3 (34) 34.0
 
Oct. 27, 2020, 3 p.m. 6.1 ppb (6) 0.9 ppb (1) N/A 5.0 ppb (5) N/A N/A 32.0 ppb (30) 0.31 ppb (4) N/A N/A 30.0
 
Oct. 27, 2020, 2 p.m. 6.5 ppb (7) 0.5 ppb (1) N/A 6.0 ppb (6) N/A N/A 32.0 ppb (30) 0.34 ppb (4) N/A 5.0 μg/m3 (21) 30.0
 
Oct. 27, 2020, 1 p.m. 4.8 ppb (5) 0.4 ppb (1) N/A 4.0 ppb (4) N/A N/A 35.0 ppb (33) 0.31 ppb (4) N/A 8.0 μg/m3 (34) 34.0
 
Oct. 27, 2020, noon 6.2 ppb (6) 0.2 ppb (1) N/A 6.0 ppb (6) N/A N/A 33.0 ppb (31) 0.33 ppb (4) N/A 11.0 μg/m3 (46) 46.0
 
Oct. 27, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (46) 46.0
 
Oct. 27, 2020, 10 a.m. 14.2 ppb (14) 0.1 ppb (1) N/A 14.0 ppb (14) N/A N/A 16.0 ppb (15) 0.42 ppb (5) N/A 9.0 μg/m3 (38) 38.0
 
Oct. 27, 2020, 9 a.m. 21.3 ppb (21) 1.6 ppb (2) N/A 20.0 ppb (19) N/A N/A 12.0 ppb (12) 0.59 ppb (7) N/A 12.0 μg/m3 (50) 50.0
 
Oct. 27, 2020, 8 a.m. 17.7 ppb (17) 0.7 ppb (1) N/A 17.0 ppb (17) N/A N/A 14.0 ppb (13) 0.57 ppb (7) N/A 10.0 μg/m3 (42) 42.0
 
Oct. 27, 2020, 7 a.m. 22.7 ppb (22) 2.0 ppb (2) N/A 21.0 ppb (20) N/A N/A 11.0 ppb (11) 0.7 ppb (8) N/A 14.0 μg/m3 (55) 55.0
 
Oct. 27, 2020, 6 a.m. 31.7 ppb (30) 4.9 ppb (5) N/A 27.0 ppb (26) N/A N/A 7.0 ppb (7) 0.94 ppb (11) N/A 13.0 μg/m3 (53) 53.0
 
Oct. 27, 2020, 5 a.m. 38.2 ppb (37) 7.0 ppb (7) N/A 31.0 ppb (30) N/A N/A 4.0 ppb (4) 0.98 ppb (12) N/A 14.0 μg/m3 (55) 55.0
 
Oct. 27, 2020, 4 a.m. 32.9 ppb (32) 2.9 ppb (3) N/A 30.0 ppb (29) N/A N/A 6.0 ppb (6) 0.94 ppb (11) N/A 20.0 μg/m3 (68) 68.0
 
Oct. 27, 2020, 3 a.m. 39.2 ppb (37) 3.4 ppb (4) N/A 36.0 ppb (34) N/A N/A 5.0 ppb (5) 0.94 ppb (11) N/A 10.0 μg/m3 (42) 42.0
 
Oct. 27, 2020, 2 a.m. 36.4 ppb (35) 3.6 ppb (4) N/A 33.0 ppb (32) N/A N/A 13.0 ppb (13) 0.58 ppb (7) N/A 12.0 μg/m3 (50) 50.0
 
Oct. 27, 2020, 1 a.m. 23.4 ppb (23) 1.2 ppb (2) N/A 22.0 ppb (21) N/A N/A 27.0 ppb (25) 0.56 ppb (7) N/A 16.0 μg/m3 (60) 60.0
 
Oct. 27, 2020, midnight 6.3 ppb (6) 0.5 ppb (1) N/A 6.0 ppb (6) N/A N/A 44.0 ppb (41) 0.35 ppb (4) N/A 15.0 μg/m3 (58) 58.0
 
Oct. 26, 2020, 11 p.m. 4.5 ppb (5) 0.3 ppb (1) N/A 4.0 ppb (4) N/A N/A 48.0 ppb (45) 0.31 ppb (4) N/A 22.0 μg/m3 (72) 72.0
 
Oct. 26, 2020, 10 p.m. 4.2 ppb (4) 0.5 ppb (1) N/A 4.0 ppb (4) N/A N/A 44.0 ppb (41) 0.28 ppb (4) N/A 7.0 μg/m3 (30) 41.0
 
Oct. 26, 2020, 9 p.m. 3.4 ppb (4) 0.3 ppb (1) N/A 3.0 ppb (3) N/A N/A 43.0 ppb (40) 0.27 ppb (4) N/A 10.0 μg/m3 (42) 42.0
 
Oct. 26, 2020, 8 p.m. 2.7 ppb (3) 0.2 ppb (1) N/A 3.0 ppb (3) N/A N/A 41.0 ppb (38) 0.26 ppb (4) N/A 7.0 μg/m3 (30) 38.0
 
Oct. 26, 2020, 7 p.m. 2.3 ppb (3) 0.1 ppb (1) N/A 2.0 ppb (2) N/A N/A 40.0 ppb (38) 0.26 ppb (4) N/A 9.0 μg/m3 (38) 38.0
 
Oct. 26, 2020, 6 p.m. 2.2 ppb (3) 0.2 ppb (1) N/A 2.0 ppb (2) N/A N/A 38.0 ppb (36) 0.25 ppb (3) N/A 10.0 μg/m3 (42) 42.0
 
Oct. 26, 2020, 5 p.m. 3.3 ppb (4) 0.7 ppb (1) N/A 3.0 ppb (3) N/A N/A 36.0 ppb (34) 0.26 ppb (4) N/A 5.0 μg/m3 (21) 34.0
 
Oct. 26, 2020, 4 p.m. 2.6 ppb (3) 0.3 ppb (1) N/A 2.0 ppb (2) N/A N/A 36.0 ppb (34) 0.25 ppb (3) N/A 10.0 μg/m3 (42) 42.0
 
Oct. 26, 2020, 3 p.m. 3.8 ppb (4) 0.3 ppb (1) N/A 4.0 ppb (4) N/A N/A 34.0 ppb (32) 0.28 ppb (4) N/A 11.0 μg/m3 (46) 46.0
 
Oct. 26, 2020, 2 p.m. 2.9 ppb (3) 0.1 ppb (1) N/A 3.0 ppb (3) N/A N/A 35.0 ppb (33) 0.27 ppb (4) N/A 10.0 μg/m3 (42) 42.0
 
Oct. 26, 2020, 1 p.m. 0.9 ppb (1) 0.1 ppb (1) N/A 1.0 ppb (1) N/A N/A 36.0 ppb (34) 0.21 ppb (3) N/A 11.0 μg/m3 (46) 46.0
 
Oct. 26, 2020, noon 0.4 ppb (1) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 36.0 ppb (34) 0.21 ppb (3) N/A 16.0 μg/m3 (60) 60.0
 
Oct. 26, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (50) 50.0
 
Oct. 26, 2020, 10 a.m. 0.1 ppb (1) -0.1 ppb (0) N/A 0.0 ppb (0) N/A N/A 36.0 ppb (34) 0.18 ppb (3) N/A 16.0 μg/m3 (60) 60.0
 
Oct. 26, 2020, 9 a.m. 0.3 ppb (1) -0.1 ppb (0) N/A 0.0 ppb (0) N/A N/A 35.0 ppb (33) 0.19 ppb (3) N/A 12.0 μg/m3 (50) 50.0
 
Oct. 26, 2020, 8 a.m. 0.3 ppb (1) -0.1 ppb (0) N/A 0.0 ppb (0) N/A N/A 36.0 ppb (34) 0.17 ppb (3) N/A 14.0 μg/m3 (55) 55.0
 
Oct. 26, 2020, 7 a.m. 0.4 ppb (1) -0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 37.0 ppb (35) 0.17 ppb (3) N/A 8.0 μg/m3 (34) 35.0
 
Oct. 26, 2020, 6 a.m. 1.1 ppb (2) 0.1 ppb (1) N/A 1.0 ppb (1) N/A N/A 38.0 ppb (36) 0.17 ppb (3) N/A 11.0 μg/m3 (46) 46.0
 
Oct. 26, 2020, 5 a.m. 1.2 ppb (2) 0.1 ppb (1) N/A 1.0 ppb (1) N/A N/A 40.0 ppb (38) 0.17 ppb (3) N/A 18.0 μg/m3 (64) 64.0
 
Oct. 26, 2020, 4 a.m. 4.8 ppb (5) 0.3 ppb (1) N/A 5.0 ppb (5) N/A N/A 35.0 ppb (33) 0.25 ppb (3) N/A 5.0 μg/m3 (21) 33.0
 
Oct. 26, 2020, 3 a.m. 17.2 ppb (17) 2.0 ppb (2) N/A 15.0 ppb (15) N/A N/A 17.0 ppb (16) 0.6 ppb (7) N/A 17.0 μg/m3 (62) 62.0
 
Oct. 26, 2020, 2 a.m. 10.4 ppb (10) 0.3 ppb (1) N/A 10.0 ppb (10) N/A N/A 25.0 ppb (24) 0.45 ppb (6) N/A 15.0 μg/m3 (58) 58.0
 
Oct. 26, 2020, 1 a.m. 9.5 ppb (9) 0.2 ppb (1) N/A 9.0 ppb (9) N/A N/A 26.0 ppb (25) 0.35 ppb (4) N/A 11.0 μg/m3 (46) 46.0
 
Oct. 26, 2020, midnight 3.6 ppb (4) 0.5 ppb (1) N/A 3.0 ppb (3) N/A N/A 36.0 ppb (34) 0.28 ppb (4) N/A 13.0 μg/m3 (53) 53.0
 
Oct. 25, 2020, 11 p.m. 3.8 ppb (4) 0.6 ppb (1) N/A 3.0 ppb (3) N/A N/A 38.0 ppb (36) 0.28 ppb (4) N/A 16.0 μg/m3 (60) 60.0
 
Oct. 25, 2020, 10 p.m. 3.3 ppb (4) 0.4 ppb (1) N/A 3.0 ppb (3) N/A N/A 34.0 ppb (32) 0.26 ppb (4) N/A 8.0 μg/m3 (34) 34.0
 
Oct. 25, 2020, 9 p.m. 3.9 ppb (4) 0.6 ppb (1) N/A 3.0 ppb (3) N/A N/A 33.0 ppb (31) 0.31 ppb (4) N/A 8.0 μg/m3 (34) 34.0
 
Oct. 25, 2020, 8 p.m. 4.2 ppb (4) 0.7 ppb (1) N/A 4.0 ppb (4) N/A N/A 34.0 ppb (32) 0.32 ppb (4) N/A 7.0 μg/m3 (30) 32.0
 
Oct. 25, 2020, 7 p.m. 5.6 ppb (6) 1.1 ppb (2) N/A 4.0 ppb (4) N/A N/A 31.0 ppb (29) 0.3 ppb (4) N/A 8.0 μg/m3 (34) 34.0
 
Oct. 25, 2020, 6 p.m. 4.7 ppb (5) 0.7 ppb (1) N/A 4.0 ppb (4) N/A N/A 29.0 ppb (27) 0.29 ppb (4) N/A 7.0 μg/m3 (30) 30.0
 
Oct. 25, 2020, 5 p.m. 5.7 ppb (6) 1.0 ppb (1) N/A 5.0 ppb (5) N/A N/A 27.0 ppb (25) 0.31 ppb (4) N/A 8.0 μg/m3 (34) 34.0
 
Oct. 25, 2020, 4 p.m. 7.0 ppb (7) 1.3 ppb (2) N/A 6.0 ppb (6) N/A N/A 25.0 ppb (24) 0.34 ppb (4) N/A 10.0 μg/m3 (42) 42.0
 
Oct. 25, 2020, 3 p.m. 6.7 ppb (7) 0.7 ppb (1) N/A 6.0 ppb (6) N/A N/A 25.0 ppb (24) 0.32 ppb (4) N/A 10.0 μg/m3 (42) 42.0
 
Oct. 25, 2020, 2 p.m. 6.0 ppb (6) 0.1 ppb (1) N/A 6.0 ppb (6) N/A N/A 26.0 ppb (25) 0.31 ppb (4) N/A 9.0 μg/m3 (38) 38.0
 
Oct. 25, 2020, 1 p.m. 3.8 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A N/A 27.0 ppb (25) 0.28 ppb (4) N/A 11.0 μg/m3 (46) 46.0
 
Oct. 25, 2020, noon 4.0 ppb (4) 0.5 ppb (1) N/A 4.0 ppb (4) N/A N/A 27.0 ppb (25) 0.26 ppb (4) N/A 14.0 μg/m3 (55) 55.0
 
Oct. 25, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (42) 42.0
 
Oct. 25, 2020, 10 a.m. 1.4 ppb (2) -0.1 ppb (0) N/A 2.0 ppb (2) N/A N/A 32.0 ppb (30) 0.26 ppb (4) N/A 8.0 μg/m3 (34) 34.0
 
Oct. 25, 2020, 9 a.m. 2.2 ppb (3) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 31.0 ppb (29) 0.28 ppb (4) N/A 10.0 μg/m3 (42) 42.0
 
Oct. 25, 2020, 8 a.m. 6.5 ppb (7) 1.8 ppb (2) N/A 5.0 ppb (5) N/A N/A 29.0 ppb (27) 0.28 ppb (4) N/A 9.0 μg/m3 (38) 38.0
 
Oct. 25, 2020, 7 a.m. 3.0 ppb (3) -0.1 ppb (0) N/A 3.0 ppb (3) N/A N/A 30.0 ppb (28) 0.31 ppb (4) N/A 12.0 μg/m3 (50) 50.0
 
Oct. 25, 2020, 6 a.m. 2.3 ppb (3) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 32.0 ppb (30) 0.29 ppb (4) N/A 10.0 μg/m3 (42) 42.0
 
Oct. 25, 2020, 5 a.m. 4.5 ppb (5) 0.7 ppb (1) N/A 4.0 ppb (4) N/A N/A 30.0 ppb (28) 0.31 ppb (4) N/A 8.0 μg/m3 (34) 34.0
 
Oct. 25, 2020, 4 a.m. 4.6 ppb (5) 0.1 ppb (1) N/A 5.0 ppb (5) N/A N/A 29.0 ppb (27) 0.34 ppb (4) N/A 10.0 μg/m3 (42) 42.0
 
Oct. 25, 2020, 3 a.m. 4.3 ppb (5) 0.0 ppb (0) N/A 4.0 ppb (4) N/A N/A 30.0 ppb (28) 0.33 ppb (4) N/A 12.0 μg/m3 (50) 50.0
 
Oct. 25, 2020, 2 a.m. 6.2 ppb (6) 0.0 ppb (0) N/A 6.0 ppb (6) N/A N/A 29.0 ppb (27) 0.34 ppb (4) N/A 9.0 μg/m3 (38) 38.0
 
Oct. 25, 2020, 1 a.m. 7.2 ppb (7) 0.7 ppb (1) N/A 7.0 ppb (7) N/A N/A 31.0 ppb (29) 0.34 ppb (4) N/A 10.0 μg/m3 (42) 42.0
 
Oct. 25, 2020, midnight 5.1 ppb (5) 0.3 ppb (1) N/A 5.0 ppb (5) N/A N/A 33.0 ppb (31) 0.32 ppb (4) N/A 8.0 μg/m3 (34) 34.0
 
Oct. 24, 2020, 11 p.m. 5.1 ppb (5) 0.6 ppb (1) N/A 5.0 ppb (5) N/A N/A 33.0 ppb (31) 0.32 ppb (4) N/A 9.0 μg/m3 (38) 38.0
 
Oct. 24, 2020, 10 p.m. 5.9 ppb (6) 0.7 ppb (1) N/A 5.0 ppb (5) N/A N/A 35.0 ppb (33) 0.31 ppb (4) N/A 11.0 μg/m3 (46) 46.0
 
Oct. 24, 2020, 9 p.m. 4.4 ppb (5) 0.6 ppb (1) N/A 4.0 ppb (4) N/A N/A 37.0 ppb (35) 0.3 ppb (4) N/A 7.0 μg/m3 (30) 35.0
 
Oct. 24, 2020, 8 p.m. 5.6 ppb (6) 0.6 ppb (1) N/A 5.0 ppb (5) N/A N/A 34.0 ppb (32) 0.32 ppb (4) N/A 7.0 μg/m3 (30) 32.0
 
Oct. 24, 2020, 7 p.m. 6.2 ppb (6) 0.9 ppb (1) N/A 5.0 ppb (5) N/A N/A 31.0 ppb (29) 0.35 ppb (4) N/A 10.0 μg/m3 (42) 42.0
 
Oct. 24, 2020, 6 p.m. 5.6 ppb (6) 0.6 ppb (1) N/A 5.0 ppb (5) N/A N/A 31.0 ppb (29) 0.33 ppb (4) N/A 11.0 μg/m3 (46) 46.0
 
Oct. 24, 2020, 5 p.m. 6.3 ppb (6) 1.1 ppb (2) N/A 5.0 ppb (5) N/A N/A 29.0 ppb (27) 0.34 ppb (4) N/A 8.0 μg/m3 (34) 34.0
 
Oct. 24, 2020, 4 p.m. 8.6 ppb (9) 0.4 ppb (1) N/A 8.0 ppb (8) N/A N/A 24.0 ppb (23) 0.41 ppb (5) N/A 16.0 μg/m3 (60) 60.0
 
Oct. 24, 2020, 3 p.m. 15.0 ppb (15) 1.0 ppb (1) N/A 14.0 ppb (14) N/A N/A 16.0 ppb (15) 0.49 ppb (6) N/A 12.0 μg/m3 (50) 50.0
 
Oct. 24, 2020, 2 p.m. 28.4 ppb (27) 10.4 ppb (10) N/A 18.0 ppb (17) N/A N/A 2.0 ppb (2) 0.67 ppb (8) N/A 12.0 μg/m3 (50) 50.0
 
Oct. 24, 2020, 1 p.m. 10.5 ppb (10) 2.5 ppb (3) N/A 8.0 ppb (8) N/A N/A 6.0 ppb (6) 0.4 ppb (5) N/A 8.0 μg/m3 (34) 34.0
 
Oct. 24, 2020, noon 7.5 ppb (8) 1.3 ppb (2) N/A 6.0 ppb (6) N/A N/A 8.0 ppb (8) 0.34 ppb (4) N/A 9.0 μg/m3 (38) 38.0
 
Oct. 24, 2020, 11 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
 
Oct. 24, 2020, 10 a.m. 10.0 ppb (10) 1.1 ppb (2) N/A 9.0 ppb (9) N/A N/A 8.0 ppb (8) 0.4 ppb (5) N/A 8.0 μg/m3 (34) 34.0
 
Oct. 24, 2020, 9 a.m. 11.3 ppb (11) 1.3 ppb (2) N/A 10.0 ppb (10) N/A N/A 8.0 ppb (8) 0.44 ppb (5) N/A 9.0 μg/m3 (38) 38.0
 
Oct. 24, 2020, 8 a.m. 13.6 ppb (13) 2.3 ppb (3) N/A 11.0 ppb (11) N/A N/A 9.0 ppb (9) 0.54 ppb (6) N/A 8.0 μg/m3 (34) 34.0
 
Oct. 24, 2020, 7 a.m. 8.9 ppb (9) 1.2 ppb (2) N/A 8.0 ppb (8) N/A N/A 13.0 ppb (13) 0.38 ppb (5) N/A 9.0 μg/m3 (38) 38.0
 
Oct. 24, 2020, 6 a.m. 15.1 ppb (15) 1.2 ppb (2) N/A 14.0 ppb (14) N/A N/A 12.0 ppb (12) 0.55 ppb (7) N/A 12.0 μg/m3 (50) 50.0
 
Oct. 24, 2020, 5 a.m. 16.2 ppb (16) 1.2 ppb (2) N/A 15.0 ppb (15) N/A N/A 17.0 ppb (16) 0.6 ppb (7) N/A 13.0 μg/m3 (53) 53.0
 
Oct. 24, 2020, 4 a.m. 13.8 ppb (14) 0.6 ppb (1) N/A 13.0 ppb (13) N/A N/A 21.0 ppb (20) 0.52 ppb (6) N/A 13.0 μg/m3 (53) 53.0
 
Oct. 24, 2020, 3 a.m. 13.7 ppb (13) 1.1 ppb (2) N/A 13.0 ppb (13) N/A N/A 23.0 ppb (22) 0.47 ppb (6) N/A 11.0 μg/m3 (46) 46.0
 
Oct. 24, 2020, 2 a.m. 12.0 ppb (12) 0.3 ppb (1) N/A 12.0 ppb (12) N/A N/A 24.0 ppb (23) 0.42 ppb (5) N/A 10.0 μg/m3 (42) 42.0
 
Oct. 24, 2020, 1 a.m. 8.3 ppb (8) 0.1 ppb (1) N/A 8.0 ppb (8) N/A N/A 29.0 ppb (27) 0.34 ppb (4) N/A 11.0 μg/m3 (46) 46.0
 
Oct. 24, 2020, midnight 7.3 ppb (7) 0.5 ppb (1) N/A 7.0 ppb (7) N/A N/A 31.0 ppb (29) 0.33 ppb (4) N/A 11.0 μg/m3 (46) 46.0
 
Oct. 23, 2020, 11 p.m. 10.8 ppb (11) 1.7 ppb (2) N/A 9.0 ppb (9) N/A N/A 31.0 ppb (29) 0.36 ppb (5) N/A 7.0 μg/m3 (30) 30.0
 
Oct. 23, 2020, 10 p.m. 10.1 ppb (10) 1.6 ppb (2) N/A 9.0 ppb (9) N/A N/A 32.0 ppb (30) 0.31 ppb (4) N/A 9.0 μg/m3 (38) 38.0
 
Oct. 23, 2020, 9 p.m. 6.6 ppb (7) 0.9 ppb (1) N/A 6.0 ppb (6) N/A N/A 36.0 ppb (34) 0.3 ppb (4) N/A 14.0 μg/m3 (55) 55.0
 
Oct. 23, 2020, 8 p.m. 13.5 ppb (13) 3.3 ppb (4) N/A 10.0 ppb (10) N/A N/A 29.0 ppb (27) 0.34 ppb (4) N/A 12.0 μg/m3 (50) 50.0
 
Oct. 23, 2020, 7 p.m. 10.0 ppb (10) 2.2 ppb (3) N/A 8.0 ppb (8) N/A N/A 28.0 ppb (26) 0.32 ppb (4) N/A 9.0 μg/m3 (38) 38.0
 
Oct. 23, 2020, 6 p.m. 12.3 ppb (12) 3.1 ppb (3) N/A 9.0 ppb (9) N/A N/A 23.0 ppb (22) 0.34 ppb (4) N/A 12.0 μg/m3 (50) 50.0
 
Oct. 23, 2020, 5 p.m. 20.1 ppb (19) 5.7 ppb (6) N/A 14.0 ppb (14) N/A N/A 16.0 ppb (15) 0.44 ppb (5) N/A 17.0 μg/m3 (62) 62.0
 
Oct. 23, 2020, 4 p.m. 18.0 ppb (17) 4.6 ppb (5) N/A 13.0 ppb (13) N/A N/A 16.0 ppb (15) 0.41 ppb (5) N/A 15.0 μg/m3 (58) 58.0
 
Oct. 23, 2020, 3 p.m. 26.0 ppb (25) 8.8 ppb (9) N/A 17.0 ppb (17) N/A N/A 9.0 ppb (9) 0.66 ppb (8) N/A 10.0 μg/m3 (42) 42.0
 
Oct. 23, 2020, 2 p.m. 32.6 ppb (31) 11.2 ppb (11) N/A 21.0 ppb (20) N/A N/A 3.0 ppb (3) 0.81 ppb (10) N/A 14.0 μg/m3 (55) 55.0
 
Oct. 23, 2020, 1 p.m. 20.6 ppb (20) 4.2 ppb (4) N/A 16.0 ppb (16) N/A N/A 4.0 ppb (4) 0.6 ppb (7) N/A 9.0 μg/m3 (38) 38.0
 
Oct. 23, 2020, noon 19.9 ppb (19) 7.2 ppb (7) N/A 13.0 ppb (13) N/A N/A 3.0 ppb (3) 0.5 ppb (6) N/A 9.0 μg/m3 (38) 38.0
 
Oct. 23, 2020, 11 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
 
Oct. 23, 2020, 10 a.m. 9.4 ppb (9) 1.3 ppb (2) N/A 8.0 ppb (8) N/A N/A 8.0 ppb (8) 0.36 ppb (5) N/A 8.0 μg/m3 (34) 34.0
 
Oct. 23, 2020, 9 a.m. 8.2 ppb (8) 0.5 ppb (1) N/A 8.0 ppb (8) N/A N/A 8.0 ppb (8) 0.37 ppb (5) N/A 9.0 μg/m3 (38) 38.0
 
Oct. 23, 2020, 8 a.m. 8.3 ppb (8) 0.6 ppb (1) N/A 8.0 ppb (8) N/A N/A 12.0 ppb (12) 0.38 ppb (5) N/A 9.0 μg/m3 (38) 38.0
 
Oct. 23, 2020, 7 a.m. 8.6 ppb (9) 0.6 ppb (1) N/A 8.0 ppb (8) N/A N/A 14.0 ppb (13) 0.39 ppb (5) N/A 9.0 μg/m3 (38) 38.0
 
Oct. 23, 2020, 6 a.m. 4.8 ppb (5) 0.1 ppb (1) N/A 5.0 ppb (5) N/A N/A 23.0 ppb (22) 0.34 ppb (4) N/A 11.0 μg/m3 (46) 46.0
 
Oct. 23, 2020, 5 a.m. 4.6 ppb (5) 0.1 ppb (1) N/A 5.0 ppb (5) N/A N/A 24.0 ppb (23) 0.29 ppb (4) N/A 9.0 μg/m3 (38) 38.0
 
Oct. 23, 2020, 4 a.m. 5.5 ppb (6) 0.6 ppb (1) N/A 5.0 ppb (5) N/A N/A 25.0 ppb (24) 0.32 ppb (4) N/A 13.0 μg/m3 (53) 53.0
 
Oct. 23, 2020, 3 a.m. 6.3 ppb (6) 0.4 ppb (1) N/A 6.0 ppb (6) N/A N/A 24.0 ppb (23) 0.31 ppb (4) N/A 12.0 μg/m3 (50) 50.0
 
Oct. 23, 2020, 2 a.m. 8.2 ppb (8) 0.1 ppb (1) N/A 8.0 ppb (8) N/A N/A 23.0 ppb (22) 0.32 ppb (4) N/A 13.0 μg/m3 (53) 53.0
 
Oct. 23, 2020, 1 a.m. 6.5 ppb (7) 0.3 ppb (1) N/A 6.0 ppb (6) N/A N/A 26.0 ppb (25) 0.32 ppb (4) N/A 17.0 μg/m3 (62) 62.0
 
Oct. 23, 2020, midnight 7.3 ppb (7) 0.9 ppb (1) N/A 6.0 ppb (6) N/A N/A 26.0 ppb (25) 0.32 ppb (4) N/A 15.0 μg/m3 (58) 58.0
 
Oct. 22, 2020, 11 p.m. 5.8 ppb (6) 0.9 ppb (1) N/A 5.0 ppb (5) N/A N/A 29.0 ppb (27) 0.31 ppb (4) N/A 16.0 μg/m3 (60) 60.0
 
Oct. 22, 2020, 10 p.m. 7.7 ppb (8) 1.2 ppb (2) N/A 7.0 ppb (7) N/A N/A 31.0 ppb (29) 0.33 ppb (4) N/A 16.0 μg/m3 (60) 60.0