ID: 1928

AQSQID: 060010009

Site Name: Oakland

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

Updated: Oct. 21, 2020, 3:40 a.m.

Location: Oakland (N Stonehurst), CA

Reporting: True, Located: True

Current AQI: 38.0

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. 7, 2020, 2 a.m. 26.1 ppb (25) 1.2 ppb (2) N/A 25.0 ppb (24) N/A N/A 10.0 ppb (10) 0.7 ppb (8) N/A 19.0 μg/m3 (66) 65.0
 
Oct. 7, 2020, 1 a.m. 20.7 ppb (20) 0.9 ppb (1) N/A 20.0 ppb (19) N/A N/A 24.0 ppb (23) 0.65 ppb (8) N/A 24.0 μg/m3 (77) 76.0
 
Oct. 7, 2020, midnight 23.5 ppb (23) 4.6 ppb (5) N/A 19.0 ppb (18) N/A N/A 20.0 ppb (19) 0.62 ppb (7) N/A 19.0 μg/m3 (66) 65.0
 
Oct. 6, 2020, 11 p.m. 20.6 ppb (20) 3.9 ppb (4) N/A 17.0 ppb (17) N/A N/A 22.0 ppb (21) 0.58 ppb (7) N/A 19.0 μg/m3 (66) 65.0
 
Oct. 6, 2020, 10 p.m. 22.7 ppb (22) 4.7 ppb (5) N/A 18.0 ppb (17) N/A N/A 21.0 ppb (20) 0.56 ppb (7) N/A 18.0 μg/m3 (64) 63.0
 
Oct. 6, 2020, 9 p.m. 24.5 ppb (24) 4.8 ppb (5) N/A 20.0 ppb (19) N/A N/A 31.0 ppb (29) 0.54 ppb (6) N/A 21.0 μg/m3 (70) 69.0
 
Oct. 6, 2020, 8 p.m. 28.0 ppb (27) 8.0 ppb (8) N/A 20.0 ppb (19) N/A N/A 20.0 ppb (19) 0.55 ppb (7) N/A 15.0 μg/m3 (58) 56.0
 
Oct. 6, 2020, 7 p.m. 36.8 ppb (35) 13.3 ppb (13) N/A 24.0 ppb (23) N/A N/A 14.0 ppb (13) 0.63 ppb (7) N/A 20.0 μg/m3 (68) 67.0
 
Oct. 6, 2020, 6 p.m. 51.2 ppb (49) 23.4 ppb (23) N/A 28.0 ppb (27) N/A N/A 9.0 ppb (9) 0.73 ppb (8) N/A 27.0 μg/m3 (83) 82.0
 
Oct. 6, 2020, 5 p.m. 53.4 ppb (51) 27.1 ppb (26) N/A 26.0 ppb (25) N/A N/A 5.0 ppb (5) 0.76 ppb (10) N/A 23.0 μg/m3 (74) 73.0
 
Oct. 6, 2020, 4 p.m. 42.7 ppb (41) 21.0 ppb (20) N/A 22.0 ppb (21) N/A N/A 4.0 ppb (4) 0.8 ppb (10) N/A 19.0 μg/m3 (66) 65.0
 
Oct. 6, 2020, 3 p.m. 43.6 ppb (42) 27.0 ppb (26) N/A 17.0 ppb (17) N/A N/A 2.0 ppb (2) 1.08 ppb (13) N/A N/A 40.0
 
Oct. 6, 2020, 2 p.m. 45.3 ppb (43) 32.1 ppb (31) N/A 13.0 ppb (13) N/A N/A 0.0 ppb (0) 1.07 ppb (13) N/A 13.0 μg/m3 (53) 52.0
 
Oct. 6, 2020, 1 p.m. 33.1 ppb (32) 20.4 ppb (20) N/A 13.0 ppb (13) N/A N/A 0.0 ppb (0) 0.87 ppb (11) N/A 14.0 μg/m3 (55) 54.0
 
Oct. 6, 2020, noon 23.8 ppb (23) 9.9 ppb (10) N/A 14.0 ppb (14) N/A N/A 0.0 ppb (0) 0.7 ppb (8) N/A 18.0 μg/m3 (64) 63.0
 
Oct. 6, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (60) 59.0
 
Oct. 6, 2020, 10 a.m. 7.9 ppb (8) 1.1 ppb (2) N/A 7.0 ppb (7) N/A N/A 11.0 ppb (11) 0.33 ppb (4) N/A 9.0 μg/m3 (38) 38.0
 
Oct. 6, 2020, 9 a.m. 7.9 ppb (8) 0.5 ppb (1) N/A 7.0 ppb (7) N/A N/A 11.0 ppb (11) 0.35 ppb (4) N/A 11.0 μg/m3 (46) 46.0
 
Oct. 6, 2020, 8 a.m. 11.2 ppb (11) 0.8 ppb (1) N/A 10.0 ppb (10) N/A N/A 8.0 ppb (8) 0.41 ppb (5) N/A 14.0 μg/m3 (55) 54.0
 
Oct. 6, 2020, 7 a.m. 19.7 ppb (19) 4.6 ppb (5) N/A 15.0 ppb (15) N/A N/A 5.0 ppb (5) 0.43 ppb (5) N/A 11.0 μg/m3 (46) 46.0
 
Oct. 6, 2020, 6 a.m. 12.7 ppb (12) 0.6 ppb (1) N/A 12.0 ppb (12) N/A N/A 10.0 ppb (10) 0.4 ppb (5) N/A 11.0 μg/m3 (46) 46.0
 
Oct. 6, 2020, 5 a.m. 8.5 ppb (9) 0.5 ppb (1) N/A 8.0 ppb (8) N/A N/A 18.0 ppb (17) 0.37 ppb (5) N/A 11.0 μg/m3 (46) 46.0
 
Oct. 6, 2020, 4 a.m. 14.3 ppb (14) 0.6 ppb (1) N/A 14.0 ppb (14) N/A N/A 15.0 ppb (14) 0.4 ppb (5) N/A 9.0 μg/m3 (38) 38.0
 
Oct. 6, 2020, 3 a.m. 15.9 ppb (15) 1.7 ppb (2) N/A 14.0 ppb (14) N/A N/A 17.0 ppb (16) 0.43 ppb (5) N/A 16.0 μg/m3 (60) 59.0
 
Oct. 6, 2020, 2 a.m. 15.9 ppb (15) 0.6 ppb (1) N/A 15.0 ppb (15) N/A N/A 22.0 ppb (21) 0.44 ppb (5) N/A 18.0 μg/m3 (64) 63.0
 
Oct. 6, 2020, 1 a.m. 18.8 ppb (18) 1.2 ppb (2) N/A 18.0 ppb (17) N/A N/A 23.0 ppb (22) 0.48 ppb (6) N/A 26.0 μg/m3 (81) 80.0
 
Oct. 6, 2020, midnight 19.5 ppb (19) 2.4 ppb (3) N/A 17.0 ppb (17) N/A N/A 32.0 ppb (30) 0.54 ppb (6) N/A 18.0 μg/m3 (64) 63.0
 
Oct. 5, 2020, 11 p.m. 26.7 ppb (26) 3.7 ppb (4) N/A 23.0 ppb (22) N/A N/A 38.0 ppb (36) 0.65 ppb (8) N/A 25.0 μg/m3 (79) 78.0
 
Oct. 5, 2020, 10 p.m. 24.8 ppb (24) 3.2 ppb (4) N/A 22.0 ppb (21) N/A N/A 46.0 ppb (43) 0.6 ppb (7) N/A 35.0 μg/m3 (100) 99.0
 
Oct. 5, 2020, 9 p.m. 29.2 ppb (28) 5.6 ppb (6) N/A 24.0 ppb (23) N/A N/A 34.0 ppb (32) 0.62 ppb (7) N/A 23.0 μg/m3 (74) 73.0
 
Oct. 5, 2020, 8 p.m. 42.6 ppb (41) 17.7 ppb (17) N/A 25.0 ppb (24) N/A N/A 12.0 ppb (12) 0.6 ppb (7) N/A 22.0 μg/m3 (72) 71.0
 
Oct. 5, 2020, 7 p.m. 33.0 ppb (32) 13.6 ppb (13) N/A 19.0 ppb (18) N/A N/A 9.0 ppb (9) 0.52 ppb (6) N/A 14.0 μg/m3 (55) 54.0
 
Oct. 5, 2020, 6 p.m. 34.2 ppb (33) 12.2 ppb (12) N/A 22.0 ppb (21) N/A N/A 6.0 ppb (6) 0.58 ppb (7) N/A 21.0 μg/m3 (70) 69.0
 
Oct. 5, 2020, 5 p.m. 45.9 ppb (44) 25.0 ppb (24) N/A 21.0 ppb (20) N/A N/A 4.0 ppb (4) 0.69 ppb (8) N/A 25.0 μg/m3 (79) 78.0
 
Oct. 5, 2020, 4 p.m. 46.2 ppb (44) 29.2 ppb (28) N/A 17.0 ppb (17) N/A N/A 4.0 ppb (4) 0.73 ppb (8) N/A 33.0 μg/m3 (95) 95.0
 
Oct. 5, 2020, 3 p.m. 27.9 ppb (27) 17.2 ppb (17) N/A 11.0 ppb (11) N/A N/A 3.0 ppb (3) 0.77 ppb (10) N/A 15.0 μg/m3 (58) 56.0
 
Oct. 5, 2020, 2 p.m. 25.1 ppb (24) 11.9 ppb (12) N/A 13.0 ppb (13) N/A N/A 1.0 ppb (1) 0.74 ppb (8) N/A 18.0 μg/m3 (64) 63.0
 
Oct. 5, 2020, 1 p.m. 21.1 ppb (20) 7.6 ppb (8) N/A 14.0 ppb (14) N/A N/A 1.0 ppb (1) 0.53 ppb (6) N/A 11.0 μg/m3 (46) 46.0
 
Oct. 5, 2020, noon 18.1 ppb (18) 5.7 ppb (6) N/A 12.0 ppb (12) N/A N/A 2.0 ppb (2) 0.46 ppb (6) N/A 17.0 μg/m3 (62) 61.0
 
Oct. 5, 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. 5, 2020, 10 a.m. 15.4 ppb (15) 2.4 ppb (3) N/A 13.0 ppb (13) N/A N/A 2.0 ppb (2) 0.5 ppb (6) N/A 13.0 μg/m3 (53) 52.0
 
Oct. 5, 2020, 9 a.m. 16.8 ppb (16) 3.1 ppb (3) N/A 14.0 ppb (14) N/A N/A 2.0 ppb (2) 0.5 ppb (6) N/A 18.0 μg/m3 (64) 63.0
 
Oct. 5, 2020, 8 a.m. 20.8 ppb (20) 5.9 ppb (6) N/A 15.0 ppb (15) N/A N/A 0.0 ppb (0) 0.68 ppb (8) N/A 12.0 μg/m3 (50) 50.0
 
Oct. 5, 2020, 7 a.m. 18.9 ppb (18) 3.9 ppb (4) N/A 15.0 ppb (15) N/A N/A 1.0 ppb (1) 0.62 ppb (7) N/A 12.0 μg/m3 (50) 50.0
 
Oct. 5, 2020, 6 a.m. 14.6 ppb (14) 0.8 ppb (1) N/A 14.0 ppb (14) N/A N/A 8.0 ppb (8) 0.44 ppb (5) N/A 14.0 μg/m3 (55) 54.0
 
Oct. 5, 2020, 5 a.m. 16.1 ppb (16) 5.5 ppb (6) N/A 11.0 ppb (11) N/A N/A 12.0 ppb (12) 0.42 ppb (5) N/A 9.0 μg/m3 (38) 38.0
 
Oct. 5, 2020, 4 a.m. 16.0 ppb (16) 1.7 ppb (2) N/A 14.0 ppb (14) N/A N/A 10.0 ppb (10) 0.43 ppb (5) N/A 16.0 μg/m3 (60) 59.0
 
Oct. 5, 2020, 3 a.m. 13.9 ppb (14) 0.9 ppb (1) N/A 13.0 ppb (13) N/A N/A 13.0 ppb (13) 0.41 ppb (5) N/A 20.0 μg/m3 (68) 67.0
 
Oct. 5, 2020, 2 a.m. 11.1 ppb (11) 0.7 ppb (1) N/A 10.0 ppb (10) N/A N/A 17.0 ppb (16) 0.41 ppb (5) N/A 14.0 μg/m3 (55) 54.0
 
Oct. 5, 2020, 1 a.m. 13.6 ppb (13) 2.3 ppb (3) N/A 11.0 ppb (11) N/A N/A 17.0 ppb (16) 0.4 ppb (5) N/A 13.0 μg/m3 (53) 52.0
 
Oct. 5, 2020, midnight 9.5 ppb (9) 2.0 ppb (2) N/A 8.0 ppb (8) N/A N/A 23.0 ppb (22) 0.4 ppb (5) N/A 9.0 μg/m3 (38) 38.0
 
Oct. 4, 2020, 11 p.m. 11.7 ppb (12) 2.8 ppb (3) N/A 9.0 ppb (9) N/A N/A 25.0 ppb (24) 0.42 ppb (5) N/A 15.0 μg/m3 (58) 56.0
 
Oct. 4, 2020, 10 p.m. 12.1 ppb (12) 3.1 ppb (3) N/A 9.0 ppb (9) N/A N/A 24.0 ppb (23) 0.41 ppb (5) N/A 11.0 μg/m3 (46) 46.0
 
Oct. 4, 2020, 9 p.m. 10.1 ppb (10) 2.4 ppb (3) N/A 8.0 ppb (8) N/A N/A 29.0 ppb (27) 0.39 ppb (5) N/A 10.0 μg/m3 (42) 42.0
 
Oct. 4, 2020, 8 p.m. 6.6 ppb (7) 1.4 ppb (2) N/A 5.0 ppb (5) N/A N/A 33.0 ppb (31) 0.37 ppb (5) N/A 9.0 μg/m3 (38) 38.0
 
Oct. 4, 2020, 7 p.m. 5.7 ppb (6) 1.3 ppb (2) N/A 4.0 ppb (4) N/A N/A 30.0 ppb (28) 0.36 ppb (5) N/A 14.0 μg/m3 (55) 54.0
 
Oct. 4, 2020, 6 p.m. 8.9 ppb (9) 2.4 ppb (3) N/A 6.0 ppb (6) N/A N/A 24.0 ppb (23) 0.35 ppb (4) N/A 12.0 μg/m3 (50) 50.0
 
Oct. 4, 2020, 5 p.m. 10.2 ppb (10) 3.0 ppb (3) N/A 7.0 ppb (7) N/A N/A 19.0 ppb (18) 0.34 ppb (4) N/A 8.0 μg/m3 (34) 33.0
 
Oct. 4, 2020, 4 p.m. 12.2 ppb (12) 4.0 ppb (4) N/A 8.0 ppb (8) N/A N/A 16.0 ppb (15) 0.35 ppb (4) N/A 11.0 μg/m3 (46) 46.0
 
Oct. 4, 2020, 3 p.m. 21.0 ppb (20) 8.7 ppb (9) N/A 12.0 ppb (12) N/A N/A 6.0 ppb (6) 0.6 ppb (7) N/A 15.0 μg/m3 (58) 56.0
 
Oct. 4, 2020, 2 p.m. 19.7 ppb (19) 8.7 ppb (9) N/A 11.0 ppb (11) N/A N/A 1.0 ppb (1) 0.66 ppb (8) N/A 13.0 μg/m3 (53) 52.0
 
Oct. 4, 2020, 1 p.m. 18.5 ppb (18) 6.1 ppb (6) N/A 12.0 ppb (12) N/A N/A 0.0 ppb (0) 0.63 ppb (7) N/A 17.0 μg/m3 (62) 61.0
 
Oct. 4, 2020, noon 17.1 ppb (17) 3.6 ppb (4) N/A 14.0 ppb (14) N/A N/A 1.0 ppb (1) 0.6 ppb (7) N/A 19.0 μg/m3 (66) 65.0
 
Oct. 4, 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) 56.0
 
Oct. 4, 2020, 10 a.m. 17.7 ppb (17) 3.5 ppb (4) N/A 14.0 ppb (14) N/A N/A 2.0 ppb (2) 0.67 ppb (8) N/A 11.0 μg/m3 (46) 46.0
 
Oct. 4, 2020, 9 a.m. 18.3 ppb (18) 2.8 ppb (3) N/A 15.0 ppb (15) N/A N/A 1.0 ppb (1) 0.67 ppb (8) N/A 13.0 μg/m3 (53) 52.0
 
Oct. 4, 2020, 8 a.m. 23.3 ppb (22) 7.0 ppb (7) N/A 16.0 ppb (16) N/A N/A 5.0 ppb (5) 0.59 ppb (7) N/A 19.0 μg/m3 (66) 65.0
 
Oct. 4, 2020, 7 a.m. 14.8 ppb (14) 0.6 ppb (1) N/A 14.0 ppb (14) N/A N/A 11.0 ppb (11) 0.46 ppb (6) N/A 15.0 μg/m3 (58) 56.0
 
Oct. 4, 2020, 6 a.m. 10.4 ppb (10) 0.6 ppb (1) N/A 10.0 ppb (10) N/A N/A 17.0 ppb (16) 0.4 ppb (5) N/A 13.0 μg/m3 (53) 52.0
 
Oct. 4, 2020, 5 a.m. 15.8 ppb (15) 0.7 ppb (1) N/A 15.0 ppb (15) N/A N/A 12.0 ppb (12) 0.51 ppb (6) N/A 18.0 μg/m3 (64) 63.0
 
Oct. 4, 2020, 4 a.m. 22.0 ppb (21) 3.0 ppb (3) N/A 19.0 ppb (18) N/A N/A 11.0 ppb (11) 0.52 ppb (6) N/A 11.0 μg/m3 (46) 46.0
 
Oct. 4, 2020, 3 a.m. 25.2 ppb (24) 2.3 ppb (3) N/A 23.0 ppb (22) N/A N/A 8.0 ppb (8) 0.52 ppb (6) N/A 15.0 μg/m3 (58) 56.0
 
Oct. 4, 2020, 2 a.m. 27.7 ppb (27) 2.3 ppb (3) N/A 25.0 ppb (24) N/A N/A 7.0 ppb (7) 0.59 ppb (7) N/A 19.0 μg/m3 (66) 65.0
 
Oct. 4, 2020, 1 a.m. 25.6 ppb (25) 3.2 ppb (4) N/A 22.0 ppb (21) N/A N/A 10.0 ppb (10) 0.5 ppb (6) N/A 10.0 μg/m3 (42) 42.0
 
Oct. 4, 2020, midnight 20.6 ppb (20) 3.9 ppb (4) N/A 17.0 ppb (17) N/A N/A 16.0 ppb (15) 0.48 ppb (6) N/A 16.0 μg/m3 (60) 59.0
 
Oct. 3, 2020, 11 p.m. 24.1 ppb (23) 4.9 ppb (5) N/A 19.0 ppb (18) N/A N/A 24.0 ppb (23) 0.52 ppb (6) N/A 18.0 μg/m3 (64) 63.0
 
Oct. 3, 2020, 10 p.m. 18.2 ppb (18) 2.2 ppb (3) N/A 16.0 ppb (16) N/A N/A 44.0 ppb (41) 0.63 ppb (7) N/A 38.0 μg/m3 (108) 106.0
 
Oct. 3, 2020, 9 p.m. 21.5 ppb (21) 3.3 ppb (4) N/A 18.0 ppb (17) N/A N/A 36.0 ppb (34) 0.65 ppb (8) N/A 31.0 μg/m3 (91) 90.0
 
Oct. 3, 2020, 8 p.m. 22.4 ppb (22) 4.3 ppb (5) N/A 18.0 ppb (17) N/A N/A 31.0 ppb (29) 0.65 ppb (8) N/A 31.0 μg/m3 (91) 90.0
 
Oct. 3, 2020, 7 p.m. 26.3 ppb (25) 6.6 ppb (7) N/A 20.0 ppb (19) N/A N/A 22.0 ppb (21) 0.69 ppb (8) N/A 26.0 μg/m3 (81) 80.0
 
Oct. 3, 2020, 6 p.m. 28.0 ppb (27) 8.1 ppb (8) N/A 20.0 ppb (19) N/A N/A 18.0 ppb (17) 0.78 ppb (10) N/A 31.0 μg/m3 (91) 90.0
 
Oct. 3, 2020, 5 p.m. 21.6 ppb (21) 6.0 ppb (6) N/A 16.0 ppb (16) N/A N/A 14.0 ppb (13) 0.7 ppb (8) N/A 33.0 μg/m3 (95) 95.0
 
Oct. 3, 2020, 4 p.m. 24.9 ppb (24) 6.6 ppb (7) N/A 18.0 ppb (17) N/A N/A 9.0 ppb (9) 0.85 ppb (10) N/A 38.0 μg/m3 (108) 106.0
 
Oct. 3, 2020, 3 p.m. 34.4 ppb (33) 16.0 ppb (16) N/A 18.0 ppb (17) N/A N/A 3.0 ppb (3) 1.13 ppb (13) N/A 41.0 μg/m3 (115) 114.0
 
Oct. 3, 2020, 2 p.m. 21.8 ppb (21) 6.9 ppb (7) N/A 15.0 ppb (15) N/A N/A 3.0 ppb (3) 0.87 ppb (11) N/A 43.0 μg/m3 (120) 119.0
 
Oct. 3, 2020, 1 p.m. 18.0 ppb (17) 4.0 ppb (4) N/A 14.0 ppb (14) N/A N/A 3.0 ppb (3) 0.8 ppb (10) N/A 45.0 μg/m3 (125) 124.0
 
Oct. 3, 2020, noon 23.9 ppb (23) 7.7 ppb (8) N/A 16.0 ppb (16) N/A N/A 0.0 ppb (0) 0.96 ppb (12) N/A 41.0 μg/m3 (115) 114.0
 
Oct. 3, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 48.0 μg/m3 (132) 131.0
 
Oct. 3, 2020, 10 a.m. 21.1 ppb (20) 3.9 ppb (4) N/A 17.0 ppb (17) N/A N/A 1.0 ppb (1) 0.77 ppb (10) N/A 27.0 μg/m3 (83) 82.0
 
Oct. 3, 2020, 9 a.m. 15.4 ppb (15) 0.8 ppb (1) N/A 15.0 ppb (15) N/A N/A 4.0 ppb (4) 0.59 ppb (7) N/A 20.0 μg/m3 (68) 67.0
 
Oct. 3, 2020, 8 a.m. 27.2 ppb (26) 7.0 ppb (7) N/A 20.0 ppb (19) N/A N/A 2.0 ppb (2) 0.64 ppb (7) N/A 19.0 μg/m3 (66) 65.0
 
Oct. 3, 2020, 7 a.m. 19.1 ppb (19) 1.6 ppb (2) N/A 18.0 ppb (17) N/A N/A 5.0 ppb (5) 0.67 ppb (8) N/A 15.0 μg/m3 (58) 56.0
 
Oct. 3, 2020, 6 a.m. 18.7 ppb (18) 1.2 ppb (2) N/A 18.0 ppb (17) N/A N/A 5.0 ppb (5) 0.64 ppb (7) N/A 19.0 μg/m3 (66) 65.0
 
Oct. 3, 2020, 5 a.m. 18.9 ppb (18) 1.4 ppb (2) N/A 18.0 ppb (17) N/A N/A 6.0 ppb (6) 0.61 ppb (7) N/A 19.0 μg/m3 (66) 65.0
 
Oct. 3, 2020, 4 a.m. 19.2 ppb (19) 2.9 ppb (3) N/A 16.0 ppb (16) N/A N/A 8.0 ppb (8) 0.6 ppb (7) N/A 21.0 μg/m3 (70) 69.0
 
Oct. 3, 2020, 3 a.m. 26.0 ppb (25) 2.7 ppb (3) N/A 23.0 ppb (22) N/A N/A 6.0 ppb (6) 0.64 ppb (7) N/A 20.0 μg/m3 (68) 67.0
 
Oct. 3, 2020, 2 a.m. 30.9 ppb (30) 1.7 ppb (2) N/A 29.0 ppb (28) N/A N/A 9.0 ppb (9) 0.7 ppb (8) N/A 33.0 μg/m3 (95) 95.0
 
Oct. 3, 2020, 1 a.m. 35.4 ppb (34) 1.3 ppb (2) N/A 34.0 ppb (33) N/A N/A 23.0 ppb (22) 0.83 ppb (10) N/A 54.0 μg/m3 (147) 146.0
 
Oct. 3, 2020, midnight 27.5 ppb (26) 1.9 ppb (2) N/A 26.0 ppb (25) N/A N/A 39.0 ppb (37) 1.07 ppb (13) N/A 91.0 μg/m3 (170) 169.0
 
Oct. 2, 2020, 11 p.m. 28.4 ppb (27) 1.8 ppb (2) N/A 27.0 ppb (26) N/A N/A 44.0 ppb (41) 1.26 ppb (15) N/A 118.0 μg/m3 (184) 183.0
 
Oct. 2, 2020, 10 p.m. 35.7 ppb (34) 3.0 ppb (3) N/A 33.0 ppb (32) N/A N/A 35.0 ppb (33) 1.14 ppb (13) N/A 88.0 μg/m3 (168) 167.0
 
Oct. 2, 2020, 9 p.m. 36.8 ppb (35) 3.1 ppb (3) N/A 34.0 ppb (33) N/A N/A 31.0 ppb (29) 1.0 ppb (12) N/A 79.0 μg/m3 (164) 162.0
 
Oct. 2, 2020, 8 p.m. 34.7 ppb (33) 3.6 ppb (4) N/A 31.0 ppb (30) N/A N/A 29.0 ppb (27) 0.97 ppb (12) N/A 77.0 μg/m3 (163) 161.0
 
Oct. 2, 2020, 7 p.m. 49.5 ppb (47) 9.1 ppb (9) N/A 40.0 ppb (38) N/A N/A 17.0 ppb (16) 1.06 ppb (13) N/A 83.0 μg/m3 (166) 164.0
 
Oct. 2, 2020, 6 p.m. 81.4 ppb (81) 27.5 ppb (26) N/A 54.0 ppb (51) N/A N/A 6.0 ppb (6) 1.38 ppb (16) N/A 92.0 μg/m3 (170) 169.0
 
Oct. 2, 2020, 5 p.m. 99.2 ppb (100) 46.8 ppb (45) N/A 53.0 ppb (50) N/A N/A 3.0 ppb (3) 1.68 ppb (20) N/A 99.0 μg/m3 (174) 173.0
 
Oct. 2, 2020, 4 p.m. 83.5 ppb (83) 42.5 ppb (41) N/A 41.0 ppb (39) N/A N/A 2.0 ppb (2) 1.79 ppb (21) N/A 96.0 μg/m3 (172) 171.0
 
Oct. 2, 2020, 3 p.m. 61.4 ppb (59) 31.1 ppb (30) N/A 30.0 ppb (29) N/A N/A 2.0 ppb (2) 1.88 ppb (22) N/A 94.0 μg/m3 (171) 170.0
 
Oct. 2, 2020, 2 p.m. 40.5 ppb (39) 15.5 ppb (15) N/A 25.0 ppb (24) N/A N/A 3.0 ppb (3) 1.41 ppb (16) N/A 94.0 μg/m3 (171) 170.0
 
Oct. 2, 2020, 1 p.m. 32.7 ppb (31) 9.1 ppb (9) N/A 24.0 ppb (23) N/A N/A 4.0 ppb (4) 1.24 ppb (14) N/A 93.0 μg/m3 (171) 170.0
 
Oct. 2, 2020, noon 18.8 ppb (18) 2.5 ppb (3) N/A 16.0 ppb (16) N/A N/A 10.0 ppb (10) 1.11 ppb (13) N/A 97.0 μg/m3 (173) 172.0
 
Oct. 2, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 105.0 μg/m3 (177) 176.0
 
Oct. 2, 2020, 10 a.m. 13.8 ppb (14) 1.0 ppb (1) N/A 13.0 ppb (13) N/A N/A 15.0 ppb (14) 1.1 ppb (13) N/A 110.0 μg/m3 (180) 179.0
 
Oct. 2, 2020, 9 a.m. 12.6 ppb (12) 1.2 ppb (2) N/A 11.0 ppb (11) N/A N/A 19.0 ppb (18) 1.11 ppb (13) N/A 107.0 μg/m3 (178) 177.0
 
Oct. 2, 2020, 8 a.m. 9.6 ppb (10) 0.8 ppb (1) N/A 9.0 ppb (9) N/A N/A 24.0 ppb (23) 1.06 ppb (13) N/A 115.0 μg/m3 (182) 181.0
 
Oct. 2, 2020, 7 a.m. 17.9 ppb (17) 3.4 ppb (4) N/A 15.0 ppb (15) N/A N/A 19.0 ppb (18) 1.2 ppb (14) N/A 120.0 μg/m3 (185) 184.0
 
Oct. 2, 2020, 6 a.m. 21.9 ppb (21) 1.6 ppb (2) N/A 20.0 ppb (19) N/A N/A 14.0 ppb (13) 1.39 ppb (16) N/A 122.0 μg/m3 (186) 185.0
 
Oct. 2, 2020, 5 a.m. 35.9 ppb (34) 4.6 ppb (5) N/A 31.0 ppb (30) N/A N/A 6.0 ppb (6) 1.55 ppb (19) N/A 112.0 μg/m3 (181) 180.0
 
Oct. 2, 2020, 4 a.m. 33.2 ppb (32) 3.0 ppb (3) N/A 30.0 ppb (29) N/A N/A 11.0 ppb (11) 1.43 ppb (16) N/A 109.0 μg/m3 (179) 178.0
 
Oct. 2, 2020, 3 a.m. 39.9 ppb (38) 3.9 ppb (4) N/A 36.0 ppb (34) N/A N/A 10.0 ppb (10) 1.38 ppb (16) N/A 84.0 μg/m3 (166) 165.0
 
Oct. 2, 2020, 2 a.m. 60.3 ppb (58) 10.0 ppb (10) N/A 50.0 ppb (48) N/A N/A 2.0 ppb (2) 1.55 ppb (19) N/A 71.0 μg/m3 (160) 158.0
 
Oct. 2, 2020, 1 a.m. 44.1 ppb (42) 3.3 ppb (4) N/A 41.0 ppb (39) N/A N/A 12.0 ppb (12) 1.13 ppb (13) N/A 67.0 μg/m3 (157) 156.0
 
Oct. 2, 2020, midnight 37.9 ppb (36) 1.3 ppb (2) N/A 37.0 ppb (35) N/A N/A 27.0 ppb (25) 1.03 ppb (12) N/A 75.0 μg/m3 (162) 160.0
 
Oct. 1, 2020, 11 p.m. 37.3 ppb (36) 3.5 ppb (4) N/A 34.0 ppb (33) N/A N/A 35.0 ppb (33) 0.87 ppb (11) N/A 70.0 μg/m3 (159) 158.0
 
Oct. 1, 2020, 10 p.m. 17.7 ppb (17) 1.2 ppb (2) N/A 17.0 ppb (17) N/A N/A 45.0 ppb (42) 0.71 ppb (8) N/A 65.0 μg/m3 (156) 155.0
 
Oct. 1, 2020, 9 p.m. 17.6 ppb (17) 1.5 ppb (2) N/A 16.0 ppb (16) N/A N/A 41.0 ppb (38) 0.65 ppb (8) N/A 51.0 μg/m3 (140) 139.0
 
Oct. 1, 2020, 8 p.m. 26.6 ppb (26) 3.1 ppb (3) N/A 24.0 ppb (23) N/A N/A 33.0 ppb (31) 0.66 ppb (8) N/A 40.0 μg/m3 (113) 111.0
 
Oct. 1, 2020, 7 p.m. 43.6 ppb (42) 7.8 ppb (8) N/A 36.0 ppb (34) N/A N/A 22.0 ppb (21) 0.8 ppb (10) N/A 44.0 μg/m3 (122) 121.0
 
Oct. 1, 2020, 6 p.m. 58.5 ppb (56) 15.7 ppb (15) N/A 43.0 ppb (41) N/A N/A 11.0 ppb (11) 0.92 ppb (11) N/A 45.0 μg/m3 (125) 124.0
 
Oct. 1, 2020, 5 p.m. 43.7 ppb (42) 11.0 ppb (11) N/A 33.0 ppb (32) N/A N/A 10.0 ppb (10) 0.83 ppb (10) N/A 36.0 μg/m3 (103) 101.0
 
Oct. 1, 2020, 4 p.m. 40.5 ppb (39) 13.6 ppb (13) N/A 27.0 ppb (26) N/A N/A 5.0 ppb (5) 0.77 ppb (10) N/A 30.0 μg/m3 (89) 88.0
 
Oct. 1, 2020, 3 p.m. 37.8 ppb (36) 15.7 ppb (15) N/A 22.0 ppb (21) N/A N/A 4.0 ppb (4) 0.79 ppb (10) N/A 21.0 μg/m3 (70) 69.0
 
Oct. 1, 2020, 2 p.m. 48.7 ppb (46) 22.4 ppb (22) N/A 26.0 ppb (25) N/A N/A 2.0 ppb (2) 0.94 ppb (11) N/A 30.0 μg/m3 (89) 88.0
 
Oct. 1, 2020, 1 p.m. 28.6 ppb (27) 9.1 ppb (9) N/A 20.0 ppb (19) N/A N/A 6.0 ppb (6) 0.79 ppb (10) N/A 26.0 μg/m3 (81) 80.0
 
Oct. 1, 2020, noon 12.6 ppb (12) 7.7 ppb (8) N/A 5.0 ppb (5) N/A N/A 18.0 ppb (17) 0.54 ppb (6) N/A 28.0 μg/m3 (85) 84.0
 
Oct. 1, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 37.0 μg/m3 (105) 104.0
 
Oct. 1, 2020, 10 a.m. 9.8 ppb (10) 0.5 ppb (1) N/A 9.0 ppb (9) N/A N/A 18.0 ppb (17) 0.6 ppb (7) N/A 40.0 μg/m3 (113) 111.0
 
Oct. 1, 2020, 9 a.m. 10.9 ppb (11) 0.8 ppb (1) N/A 10.0 ppb (10) N/A N/A 20.0 ppb (19) 0.63 ppb (7) N/A 43.0 μg/m3 (120) 119.0
 
Oct. 1, 2020, 8 a.m. 16.6 ppb (16) 1.5 ppb (2) N/A 15.0 ppb (15) N/A N/A 17.0 ppb (16) 0.8 ppb (10) N/A 45.0 μg/m3 (125) 124.0
 
Oct. 1, 2020, 7 a.m. 14.3 ppb (14) 1.1 ppb (2) N/A 13.0 ppb (13) N/A N/A 23.0 ppb (22) 0.79 ppb (10) N/A 53.0 μg/m3 (145) 144.0
 
Oct. 1, 2020, 6 a.m. 23.9 ppb (23) 1.5 ppb (2) N/A 22.0 ppb (21) N/A N/A 14.0 ppb (13) 0.97 ppb (12) N/A 52.0 μg/m3 (142) 141.0
 
Oct. 1, 2020, 5 a.m. 32.3 ppb (31) 2.5 ppb (3) N/A 30.0 ppb (29) N/A N/A 8.0 ppb (8) 1.18 ppb (14) N/A 47.0 μg/m3 (130) 129.0
 
Oct. 1, 2020, 4 a.m. 34.1 ppb (33) 2.2 ppb (3) N/A 32.0 ppb (31) N/A N/A 8.0 ppb (8) 1.02 ppb (12) N/A 44.0 μg/m3 (122) 121.0
 
Oct. 1, 2020, 3 a.m. 34.0 ppb (33) 4.2 ppb (4) N/A 30.0 ppb (29) N/A N/A 13.0 ppb (13) 0.93 ppb (11) N/A 38.0 μg/m3 (108) 106.0
 
Oct. 1, 2020, 2 a.m. 32.3 ppb (31) 0.9 ppb (1) N/A 31.0 ppb (30) N/A N/A 18.0 ppb (17) 0.89 ppb (11) N/A 46.0 μg/m3 (127) 126.0
 
Oct. 1, 2020, 1 a.m. 26.5 ppb (25) 0.8 ppb (1) N/A 26.0 ppb (25) N/A N/A 36.0 ppb (34) 0.81 ppb (10) N/A 52.0 μg/m3 (142) 141.0
 
Oct. 1, 2020, midnight 18.0 ppb (17) 1.2 ppb (2) N/A 17.0 ppb (17) N/A N/A 52.0 ppb (49) 0.79 ppb (10) N/A 55.0 μg/m3 (150) 149.0
 
Sept. 30, 2020, 11 p.m. 25.5 ppb (25) 3.0 ppb (3) N/A 23.0 ppb (22) N/A N/A 48.0 ppb (45) 0.75 ppb (10) N/A 47.0 μg/m3 (130) 129.0
 
Sept. 30, 2020, 10 p.m. 33.6 ppb (32) 4.3 ppb (5) N/A 29.0 ppb (28) N/A N/A 46.0 ppb (43) 0.79 ppb (10) N/A 49.0 μg/m3 (135) 134.0
 
Sept. 30, 2020, 9 p.m. 36.2 ppb (35) 7.2 ppb (7) N/A 29.0 ppb (28) N/A N/A 34.0 ppb (32) 0.8 ppb (10) N/A 45.0 μg/m3 (125) 124.0
 
Sept. 30, 2020, 8 p.m. 26.9 ppb (26) 6.5 ppb (7) N/A 20.0 ppb (19) N/A N/A 29.0 ppb (27) 0.62 ppb (7) N/A 27.0 μg/m3 (83) 82.0
 
Sept. 30, 2020, 7 p.m. 25.0 ppb (24) 6.5 ppb (7) N/A 19.0 ppb (18) N/A N/A 27.0 ppb (25) 0.53 ppb (6) N/A 24.0 μg/m3 (77) 76.0
 
Sept. 30, 2020, 6 p.m. 35.4 ppb (34) 12.9 ppb (13) N/A 23.0 ppb (22) N/A N/A 18.0 ppb (17) 0.55 ppb (7) N/A 22.0 μg/m3 (72) 71.0
 
Sept. 30, 2020, 5 p.m. 20.8 ppb (20) 6.6 ppb (7) N/A 14.0 ppb (14) N/A N/A 19.0 ppb (18) 0.5 ppb (6) N/A 12.0 μg/m3 (50) 50.0
 
Sept. 30, 2020, 4 p.m. 14.8 ppb (14) 3.5 ppb (4) N/A 11.0 ppb (11) N/A N/A 21.0 ppb (20) 0.39 ppb (5) N/A 14.0 μg/m3 (55) 54.0
 
Sept. 30, 2020, 3 p.m. 10.4 ppb (10) 1.5 ppb (2) N/A 9.0 ppb (9) N/A N/A 18.0 ppb (17) 0.42 ppb (5) N/A 18.0 μg/m3 (64) 63.0
 
Sept. 30, 2020, 2 p.m. 8.9 ppb (9) 1.1 ppb (2) N/A 8.0 ppb (8) N/A N/A 17.0 ppb (16) 0.4 ppb (5) N/A 19.0 μg/m3 (66) 65.0
 
Sept. 30, 2020, 1 p.m. 8.5 ppb (9) 1.2 ppb (2) N/A 7.0 ppb (7) N/A N/A 19.0 ppb (18) 0.39 ppb (5) N/A 16.0 μg/m3 (60) 59.0
 
Sept. 30, 2020, noon 6.8 ppb (7) 1.0 ppb (1) N/A 6.0 ppb (6) N/A N/A 19.0 ppb (18) 0.36 ppb (5) N/A 16.0 μg/m3 (60) 59.0
 
Sept. 30, 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
 
Sept. 30, 2020, 10 a.m. 4.4 ppb (5) 0.5 ppb (1) N/A 4.0 ppb (4) N/A N/A 26.0 ppb (25) 0.32 ppb (4) N/A 14.0 μg/m3 (55) 54.0
 
Sept. 30, 2020, 9 a.m. 4.6 ppb (5) 0.8 ppb (1) N/A 4.0 ppb (4) N/A N/A 26.0 ppb (25) 0.31 ppb (4) N/A 10.0 μg/m3 (42) 42.0
 
Sept. 30, 2020, 8 a.m. 3.9 ppb (4) 0.4 ppb (1) N/A 3.0 ppb (3) N/A N/A 26.0 ppb (25) 0.32 ppb (4) N/A 6.0 μg/m3 (25) 25.0
 
Sept. 30, 2020, 7 a.m. 3.4 ppb (4) 0.4 ppb (1) N/A 3.0 ppb (3) N/A N/A 28.0 ppb (26) 0.3 ppb (4) N/A 8.0 μg/m3 (34) 33.0
 
Sept. 30, 2020, 6 a.m. 4.3 ppb (5) 0.4 ppb (1) N/A 4.0 ppb (4) N/A N/A 28.0 ppb (26) 0.28 ppb (4) N/A 7.0 μg/m3 (30) 29.0
 
Sept. 30, 2020, 5 a.m. 8.8 ppb (9) 1.9 ppb (2) N/A 7.0 ppb (7) N/A N/A 27.0 ppb (25) 0.32 ppb (4) N/A 10.0 μg/m3 (42) 42.0
 
Sept. 30, 2020, 4 a.m. 7.3 ppb (7) 0.6 ppb (1) N/A 7.0 ppb (7) N/A N/A 29.0 ppb (27) 0.34 ppb (4) N/A 7.0 μg/m3 (30) 29.0
 
Sept. 30, 2020, 3 a.m. 6.9 ppb (7) 0.5 ppb (1) N/A 6.0 ppb (6) N/A N/A 31.0 ppb (29) 0.34 ppb (4) N/A 5.0 μg/m3 (21) 24.0