ID: 1928

AQSQID: 060010009

Site Name: Oakland

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

Updated: Oct. 19, 2021, 12:04 p.m.

Location: Oakland (N Stonehurst), CA

Reporting: True, Located: True

Current AQI: 13.0

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. 19, 2021, 10 a.m. 6.6 ppb (7) 0.4 ppb (1) N/A 6.0 ppb (6) N/A N/A 9.0 ppb (9) 0.14 ppb (2) N/A 3.0 μg/m3 (13) 13.0
 
Oct. 19, 2021, 9 a.m. 8.5 ppb (9) 1.0 ppb (1) N/A 8.0 ppb (8) N/A N/A 6.0 ppb (6) 0.18 ppb (3) N/A 3.0 μg/m3 (13) 13.0
 
Oct. 19, 2021, 8 a.m. 11.9 ppb (12) 1.9 ppb (2) N/A 10.0 ppb (10) N/A N/A 5.0 ppb (5) 0.21 ppb (3) N/A 3.0 μg/m3 (13) 13.0
 
Oct. 19, 2021, 7 a.m. 13.1 ppb (13) 1.5 ppb (2) N/A 12.0 ppb (12) N/A N/A 5.0 ppb (5) 0.25 ppb (3) N/A 4.0 μg/m3 (17) 17.0
 
Oct. 19, 2021, 6 a.m. 17.5 ppb (17) 3.5 ppb (4) N/A 14.0 ppb (14) N/A N/A 4.0 ppb (4) 0.35 ppb (4) N/A 5.0 μg/m3 (21) 21.0
 
Oct. 19, 2021, 5 a.m. 21.7 ppb (21) 4.1 ppb (4) N/A 18.0 ppb (17) N/A N/A 4.0 ppb (4) 0.38 ppb (5) N/A 6.0 μg/m3 (25) 25.0
 
Oct. 19, 2021, 4 a.m. 21.2 ppb (20) 3.1 ppb (3) N/A 18.0 ppb (17) N/A N/A 7.0 ppb (7) 0.47 ppb (6) N/A 5.0 μg/m3 (21) 21.0
 
Oct. 19, 2021, 3 a.m. 16.2 ppb (16) 0.9 ppb (1) N/A 15.0 ppb (15) N/A N/A 19.0 ppb (18) 0.29 ppb (4) N/A 5.0 μg/m3 (21) 21.0
 
Oct. 19, 2021, 2 a.m. 11.0 ppb (11) 0.6 ppb (1) N/A 10.0 ppb (10) N/A N/A 27.0 ppb (25) 0.15 ppb (2) N/A 3.0 μg/m3 (13) 25.0
 
Oct. 19, 2021, 1 a.m. 10.6 ppb (10) 1.3 ppb (2) N/A 9.0 ppb (9) N/A N/A 29.0 ppb (27) 0.14 ppb (2) N/A 2.0 μg/m3 (9) 27.0
 
Oct. 19, 2021, midnight 4.5 ppb (5) 0.7 ppb (1) N/A 4.0 ppb (4) N/A N/A 34.0 ppb (32) 0.1 ppb (2) N/A 1.0 μg/m3 (5) 32.0
 
Oct. 18, 2021, 11 p.m. 4.2 ppb (4) 0.9 ppb (1) N/A 3.0 ppb (3) N/A N/A 35.0 ppb (33) 0.09 ppb (2) N/A 3.0 μg/m3 (13) 33.0
 
Oct. 18, 2021, 10 p.m. 5.0 ppb (5) 1.4 ppb (2) N/A 4.0 ppb (4) N/A N/A 36.0 ppb (34) 0.1 ppb (2) N/A 4.0 μg/m3 (17) 34.0
 
Oct. 18, 2021, 9 p.m. 4.5 ppb (5) 1.2 ppb (2) N/A 3.0 ppb (3) N/A N/A 36.0 ppb (34) 0.1 ppb (2) N/A 3.0 μg/m3 (13) 34.0
 
Oct. 18, 2021, 8 p.m. 5.0 ppb (5) 1.2 ppb (2) N/A 4.0 ppb (4) N/A N/A 36.0 ppb (34) 0.09 ppb (2) N/A 4.0 μg/m3 (17) 34.0
 
Oct. 18, 2021, 7 p.m. 4.8 ppb (5) 1.6 ppb (2) N/A 3.0 ppb (3) N/A N/A 35.0 ppb (33) 0.11 ppb (2) N/A 5.0 μg/m3 (21) 33.0
 
Oct. 18, 2021, 6 p.m. 4.8 ppb (5) 1.2 ppb (2) N/A 4.0 ppb (4) N/A N/A 34.0 ppb (32) 0.12 ppb (2) N/A 6.0 μg/m3 (25) 32.0
 
Oct. 18, 2021, 5 p.m. 6.4 ppb (7) 1.9 ppb (2) N/A 5.0 ppb (5) N/A N/A 33.0 ppb (31) 0.13 ppb (2) N/A 3.0 μg/m3 (13) 31.0
 
Oct. 18, 2021, 4 p.m. 6.9 ppb (7) 1.6 ppb (2) N/A 5.0 ppb (5) N/A N/A 32.0 ppb (30) 0.15 ppb (2) N/A 5.0 μg/m3 (21) 30.0
 
Oct. 18, 2021, 3 p.m. 12.3 ppb (12) 2.5 ppb (3) N/A 10.0 ppb (10) N/A N/A 28.0 ppb (26) 0.19 ppb (3) N/A 3.0 μg/m3 (13) 26.0
 
Oct. 18, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 1.0 μg/m3 (5) 5.0
 
Oct. 17, 2021, 7 p.m. 4.8 ppb (5) 0.7 ppb (1) N/A 4.0 ppb (4) N/A N/A 42.0 ppb (39) 0.33 ppb (4) N/A 6.0 μg/m3 (25) 39.0
 
Oct. 17, 2021, 6 p.m. 6.2 ppb (6) 1.4 ppb (2) N/A 5.0 ppb (5) N/A N/A 37.0 ppb (35) 0.33 ppb (4) N/A 10.0 μg/m3 (42) 42.0
 
Oct. 17, 2021, 5 p.m. 5.1 ppb (5) 1.0 ppb (1) N/A 4.0 ppb (4) N/A N/A 37.0 ppb (35) 0.34 ppb (4) N/A 8.0 μg/m3 (34) 35.0
 
Oct. 17, 2021, 4 p.m. 12.5 ppb (12) 3.0 ppb (3) N/A 10.0 ppb (10) N/A N/A 29.0 ppb (27) 0.43 ppb (5) N/A 8.0 μg/m3 (34) 34.0
 
Oct. 16, 2021, 6 p.m. 24.8 ppb (24) 6.1 ppb (6) N/A 19.0 ppb (18) N/A N/A 29.0 ppb (27) 0.55 ppb (7) N/A 12.0 μg/m3 (50) 50.0
 
Oct. 16, 2021, 5 p.m. 27.6 ppb (27) 7.8 ppb (8) N/A 20.0 ppb (19) N/A N/A 23.0 ppb (22) 0.61 ppb (7) N/A 9.0 μg/m3 (38) 38.0
 
Oct. 16, 2021, 4 p.m. 57.9 ppb (56) 24.9 ppb (24) N/A 33.0 ppb (32) N/A N/A 10.0 ppb (10) 1.0 ppb (12) N/A 13.0 μg/m3 (53) 56.0
 
Oct. 16, 2021, 3 p.m. 29.3 ppb (28) 9.3 ppb (9) N/A 20.0 ppb (19) N/A N/A 15.0 ppb (14) 0.73 ppb (8) N/A 11.0 μg/m3 (46) 46.0
 
Oct. 16, 2021, 2 p.m. 13.8 ppb (14) 1.8 ppb (2) N/A 12.0 ppb (12) N/A N/A 22.0 ppb (21) 0.45 ppb (6) N/A 6.0 μg/m3 (25) 25.0
 
Oct. 16, 2021, 1 p.m. 16.9 ppb (16) 1.5 ppb (2) N/A 15.0 ppb (15) N/A N/A 16.0 ppb (15) 0.55 ppb (7) N/A 6.0 μg/m3 (25) 25.0
 
Oct. 16, 2021, noon 22.1 ppb (21) 3.0 ppb (3) N/A 19.0 ppb (18) N/A N/A 11.0 ppb (11) 0.64 ppb (7) N/A 6.0 μg/m3 (25) 25.0
 
Oct. 16, 2021, 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. 16, 2021, 10 a.m. 9.8 ppb (10) 0.4 ppb (1) N/A 9.0 ppb (9) N/A N/A 24.0 ppb (23) 0.37 ppb (5) N/A 8.0 μg/m3 (34) 34.0
 
Oct. 16, 2021, 9 a.m. 9.1 ppb (9) 0.5 ppb (1) N/A 9.0 ppb (9) N/A N/A 26.0 ppb (25) 0.39 ppb (5) N/A 7.0 μg/m3 (30) 30.0
 
Oct. 16, 2021, 8 a.m. 10.3 ppb (10) 0.8 ppb (1) N/A 10.0 ppb (10) N/A N/A 27.0 ppb (25) 0.44 ppb (5) N/A 6.0 μg/m3 (25) 25.0
 
Oct. 16, 2021, 7 a.m. 10.6 ppb (10) 0.8 ppb (1) N/A 10.0 ppb (10) N/A N/A 27.0 ppb (25) 0.45 ppb (6) N/A 4.0 μg/m3 (17) 25.0
 
Oct. 16, 2021, 6 a.m. 16.4 ppb (16) 2.2 ppb (3) N/A 14.0 ppb (14) N/A N/A 23.0 ppb (22) 0.55 ppb (7) N/A 6.0 μg/m3 (25) 25.0
 
Oct. 16, 2021, 5 a.m. 27.1 ppb (26) 3.4 ppb (4) N/A 24.0 ppb (23) N/A N/A 14.0 ppb (13) 0.73 ppb (8) N/A 10.0 μg/m3 (42) 42.0
 
Oct. 16, 2021, 4 a.m. 22.0 ppb (21) 3.2 ppb (4) N/A 19.0 ppb (18) N/A N/A 22.0 ppb (21) 0.66 ppb (8) N/A 9.0 μg/m3 (38) 38.0
 
Oct. 16, 2021, 3 a.m. 33.7 ppb (32) 4.1 ppb (4) N/A 30.0 ppb (29) N/A N/A 15.0 ppb (14) 0.83 ppb (10) N/A 12.0 μg/m3 (50) 50.0
 
Oct. 16, 2021, 2 a.m. 33.9 ppb (32) 2.9 ppb (3) N/A 31.0 ppb (30) N/A N/A 19.0 ppb (18) 0.69 ppb (8) N/A 10.0 μg/m3 (42) 42.0
 
Oct. 16, 2021, 1 a.m. 24.1 ppb (23) 0.4 ppb (1) N/A 24.0 ppb (23) N/A N/A 31.0 ppb (29) 0.52 ppb (6) N/A 7.0 μg/m3 (30) 30.0
 
Oct. 16, 2021, midnight 19.0 ppb (18) 2.2 ppb (3) N/A 17.0 ppb (17) N/A N/A 41.0 ppb (38) 0.47 ppb (6) N/A 9.0 μg/m3 (38) 38.0
 
Oct. 15, 2021, 11 p.m. 13.5 ppb (13) 1.5 ppb (2) N/A 12.0 ppb (12) N/A N/A 45.0 ppb (42) 0.36 ppb (5) N/A 6.0 μg/m3 (25) 42.0
 
Oct. 15, 2021, 10 p.m. 22.0 ppb (21) 4.5 ppb (5) N/A 18.0 ppb (17) N/A N/A 34.0 ppb (32) 0.39 ppb (5) N/A 6.0 μg/m3 (25) 32.0
 
Oct. 15, 2021, 9 p.m. 25.6 ppb (25) 6.6 ppb (7) N/A 19.0 ppb (18) N/A N/A 28.0 ppb (26) 0.42 ppb (5) N/A 5.0 μg/m3 (21) 26.0
 
Oct. 15, 2021, 8 p.m. 27.1 ppb (26) 8.4 ppb (8) N/A 19.0 ppb (18) N/A N/A 24.0 ppb (23) 0.45 ppb (6) N/A 5.0 μg/m3 (21) 26.0
 
Oct. 15, 2021, 7 p.m. 33.9 ppb (32) 12.0 ppb (12) N/A 22.0 ppb (21) N/A N/A 20.0 ppb (19) 0.52 ppb (6) N/A 9.0 μg/m3 (38) 38.0
 
Oct. 15, 2021, 6 p.m. 44.5 ppb (42) 17.2 ppb (17) N/A 27.0 ppb (26) N/A N/A 17.0 ppb (16) 0.61 ppb (7) N/A 10.0 μg/m3 (42) 42.0
 
Oct. 15, 2021, 5 p.m. 66.1 ppb (64) 33.6 ppb (32) N/A 33.0 ppb (32) N/A N/A 10.0 ppb (10) 0.77 ppb (10) N/A 14.0 μg/m3 (55) 64.0
 
Oct. 15, 2021, 4 p.m. 29.6 ppb (28) 12.0 ppb (12) N/A 18.0 ppb (17) N/A N/A 13.0 ppb (13) 0.59 ppb (7) N/A 2.0 μg/m3 (9) 28.0
 
Oct. 15, 2021, 3 p.m. 23.7 ppb (23) 9.1 ppb (9) N/A 15.0 ppb (15) N/A N/A 11.0 ppb (11) 0.61 ppb (7) N/A 3.0 μg/m3 (13) 23.0
 
Oct. 15, 2021, 2 p.m. 26.7 ppb (26) 8.5 ppb (9) N/A 18.0 ppb (17) N/A N/A 6.0 ppb (6) 0.6 ppb (7) N/A 4.0 μg/m3 (17) 26.0
 
Oct. 15, 2021, 1 p.m. 23.2 ppb (22) 4.6 ppb (5) N/A 19.0 ppb (18) N/A N/A 5.0 ppb (5) 0.58 ppb (7) N/A 4.0 μg/m3 (17) 22.0
 
Oct. 15, 2021, noon 18.8 ppb (18) 4.4 ppb (5) N/A 15.0 ppb (15) N/A N/A 8.0 ppb (8) 0.58 ppb (7) N/A 6.0 μg/m3 (25) 25.0
 
Oct. 15, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
Oct. 15, 2021, 10 a.m. 7.5 ppb (8) 0.4 ppb (1) N/A 7.0 ppb (7) N/A N/A 16.0 ppb (15) 0.32 ppb (4) N/A 4.0 μg/m3 (17) 17.0
 
Oct. 15, 2021, 9 a.m. 8.9 ppb (9) 1.0 ppb (1) N/A 8.0 ppb (8) N/A N/A 16.0 ppb (15) 0.35 ppb (4) N/A 4.0 μg/m3 (17) 17.0
 
Oct. 15, 2021, 8 a.m. 6.9 ppb (7) 0.5 ppb (1) N/A 6.0 ppb (6) N/A N/A 19.0 ppb (18) 0.33 ppb (4) N/A 6.0 μg/m3 (25) 25.0
 
Oct. 15, 2021, 7 a.m. 11.9 ppb (12) 1.4 ppb (2) N/A 11.0 ppb (11) N/A N/A 16.0 ppb (15) 0.43 ppb (5) N/A 7.0 μg/m3 (30) 30.0
 
Oct. 15, 2021, 6 a.m. 12.0 ppb (12) 1.1 ppb (2) N/A 11.0 ppb (11) N/A N/A 16.0 ppb (15) 0.47 ppb (6) N/A 8.0 μg/m3 (34) 34.0
 
Oct. 15, 2021, 5 a.m. 15.0 ppb (15) 1.9 ppb (2) N/A 13.0 ppb (13) N/A N/A 15.0 ppb (14) 0.45 ppb (6) N/A 9.0 μg/m3 (38) 38.0
 
Oct. 15, 2021, 4 a.m. 34.7 ppb (33) 10.0 ppb (10) N/A 25.0 ppb (24) N/A N/A 5.0 ppb (5) 0.78 ppb (10) N/A 7.0 μg/m3 (30) 33.0
 
Oct. 15, 2021, 3 a.m. 28.8 ppb (28) 5.5 ppb (6) N/A 23.0 ppb (22) N/A N/A 7.0 ppb (7) 0.65 ppb (8) N/A 7.0 μg/m3 (30) 30.0
 
Oct. 15, 2021, 2 a.m. 29.8 ppb (29) 4.9 ppb (5) N/A 25.0 ppb (24) N/A N/A 10.0 ppb (10) 0.65 ppb (8) N/A 9.0 μg/m3 (38) 38.0
 
Oct. 15, 2021, 1 a.m. 17.2 ppb (17) 2.2 ppb (3) N/A 15.0 ppb (15) N/A N/A 21.0 ppb (20) 0.43 ppb (5) N/A 7.0 μg/m3 (30) 30.0
 
Oct. 15, 2021, midnight 13.3 ppb (13) 2.2 ppb (3) N/A 11.0 ppb (11) N/A N/A 27.0 ppb (25) 0.33 ppb (4) N/A 6.0 μg/m3 (25) 25.0
 
Oct. 14, 2021, 11 p.m. 9.5 ppb (9) 2.1 ppb (2) N/A 7.0 ppb (7) N/A N/A 32.0 ppb (30) 0.3 ppb (4) N/A 5.0 μg/m3 (21) 30.0
 
Oct. 14, 2021, 10 p.m. 8.8 ppb (9) 2.0 ppb (2) N/A 7.0 ppb (7) N/A N/A 34.0 ppb (32) 0.29 ppb (4) N/A 5.0 μg/m3 (21) 32.0
 
Oct. 14, 2021, 9 p.m. 9.9 ppb (10) 2.1 ppb (2) N/A 8.0 ppb (8) N/A N/A 35.0 ppb (33) 0.3 ppb (4) N/A 3.0 μg/m3 (13) 33.0
 
Oct. 14, 2021, 8 p.m. 13.3 ppb (13) 4.0 ppb (4) N/A 9.0 ppb (9) N/A N/A 30.0 ppb (28) 0.33 ppb (4) N/A 5.0 μg/m3 (21) 28.0
 
Oct. 14, 2021, 7 p.m. 13.9 ppb (14) 4.3 ppb (5) N/A 10.0 ppb (10) N/A N/A 27.0 ppb (25) 0.35 ppb (4) N/A 8.0 μg/m3 (34) 34.0
 
Oct. 14, 2021, 6 p.m. 20.2 ppb (20) 7.7 ppb (8) N/A 13.0 ppb (13) N/A N/A 21.0 ppb (20) 0.39 ppb (5) N/A 9.0 μg/m3 (38) 38.0
 
Oct. 14, 2021, 5 p.m. 27.9 ppb (27) 12.4 ppb (12) N/A 16.0 ppb (16) N/A N/A 14.0 ppb (13) 0.47 ppb (6) N/A 9.0 μg/m3 (38) 38.0
 
Oct. 14, 2021, 4 p.m. 27.0 ppb (26) 12.2 ppb (12) N/A 15.0 ppb (15) N/A N/A 10.0 ppb (10) 0.59 ppb (7) N/A 5.0 μg/m3 (21) 26.0
 
Oct. 14, 2021, 3 p.m. 17.9 ppb (17) 8.4 ppb (8) N/A 10.0 ppb (10) N/A N/A 8.0 ppb (8) 0.55 ppb (7) N/A 1.0 μg/m3 (5) 17.0
 
Oct. 14, 2021, 2 p.m. 25.5 ppb (25) 12.6 ppb (12) N/A 13.0 ppb (13) N/A N/A 2.0 ppb (2) 0.63 ppb (7) N/A 2.0 μg/m3 (9) 25.0
 
Oct. 14, 2021, 1 p.m. 18.2 ppb (18) 6.4 ppb (7) N/A 12.0 ppb (12) N/A N/A 2.0 ppb (2) 0.57 ppb (7) N/A 3.0 μg/m3 (13) 18.0
 
Oct. 14, 2021, noon 13.4 ppb (13) 3.0 ppb (3) N/A 10.0 ppb (10) N/A N/A 5.0 ppb (5) 0.53 ppb (6) N/A 2.0 μg/m3 (9) 13.0
 
Oct. 14, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (9) 9.0
 
Oct. 14, 2021, 10 a.m. 6.7 ppb (7) 0.9 ppb (1) N/A 6.0 ppb (6) N/A N/A 9.0 ppb (9) 0.33 ppb (4) N/A 0.0 μg/m3 (0) 9.0
 
Oct. 14, 2021, 9 a.m. 7.0 ppb (7) 0.8 ppb (1) N/A 6.0 ppb (6) N/A N/A 10.0 ppb (10) 0.35 ppb (4) N/A 2.0 μg/m3 (9) 10.0
 
Oct. 14, 2021, 8 a.m. 11.7 ppb (12) 1.9 ppb (2) N/A 10.0 ppb (10) N/A N/A 6.0 ppb (6) 0.43 ppb (5) N/A 3.0 μg/m3 (13) 13.0
 
Oct. 14, 2021, 7 a.m. 8.4 ppb (8) 0.7 ppb (1) N/A 8.0 ppb (8) N/A N/A 10.0 ppb (10) 0.39 ppb (5) N/A 5.0 μg/m3 (21) 21.0
 
Oct. 14, 2021, 6 a.m. 17.5 ppb (17) 3.2 ppb (4) N/A 14.0 ppb (14) N/A N/A 6.0 ppb (6) 0.53 ppb (6) N/A 8.0 μg/m3 (34) 34.0
 
Oct. 14, 2021, 5 a.m. 18.1 ppb (18) 2.2 ppb (3) N/A 16.0 ppb (16) N/A N/A 6.0 ppb (6) 0.59 ppb (7) N/A 8.0 μg/m3 (34) 34.0
 
Oct. 14, 2021, 4 a.m. 19.0 ppb (18) 2.3 ppb (3) N/A 17.0 ppb (17) N/A N/A 8.0 ppb (8) 0.63 ppb (7) N/A 10.0 μg/m3 (42) 42.0
 
Oct. 14, 2021, 3 a.m. 8.9 ppb (9) 0.8 ppb (1) N/A 8.0 ppb (8) N/A N/A 23.0 ppb (22) 0.37 ppb (5) N/A 8.0 μg/m3 (34) 34.0
 
Oct. 14, 2021, 2 a.m. 10.6 ppb (10) 2.8 ppb (3) N/A 8.0 ppb (8) N/A N/A 25.0 ppb (24) 0.35 ppb (4) N/A 4.0 μg/m3 (17) 24.0
 
Oct. 14, 2021, 1 a.m. 5.7 ppb (6) 0.2 ppb (1) N/A 6.0 ppb (6) N/A N/A 28.0 ppb (26) 0.31 ppb (4) N/A 4.0 μg/m3 (17) 26.0
 
Oct. 14, 2021, midnight 4.7 ppb (5) 1.2 ppb (2) N/A 4.0 ppb (4) N/A N/A 30.0 ppb (28) 0.29 ppb (4) N/A 4.0 μg/m3 (17) 28.0
 
Oct. 13, 2021, 11 p.m. 3.7 ppb (4) 1.0 ppb (1) N/A 3.0 ppb (3) N/A N/A 31.0 ppb (29) 0.29 ppb (4) N/A 3.0 μg/m3 (13) 29.0
 
Oct. 13, 2021, 10 p.m. 4.2 ppb (4) 1.4 ppb (2) N/A 3.0 ppb (3) N/A N/A 31.0 ppb (29) 0.29 ppb (4) N/A 4.0 μg/m3 (17) 29.0
 
Oct. 13, 2021, 9 p.m. 4.2 ppb (4) 1.1 ppb (2) N/A 3.0 ppb (3) N/A N/A 30.0 ppb (28) 0.31 ppb (4) N/A 3.0 μg/m3 (13) 28.0
 
Oct. 13, 2021, 8 p.m. 5.3 ppb (5) 1.7 ppb (2) N/A 4.0 ppb (4) N/A N/A 30.0 ppb (28) 0.31 ppb (4) N/A 3.0 μg/m3 (13) 28.0
 
Oct. 13, 2021, 7 p.m. 7.9 ppb (8) 2.1 ppb (2) N/A 6.0 ppb (6) N/A N/A 28.0 ppb (26) 0.33 ppb (4) N/A 8.0 μg/m3 (34) 34.0
 
Oct. 13, 2021, 6 p.m. 8.1 ppb (8) 2.1 ppb (2) N/A 6.0 ppb (6) N/A N/A 27.0 ppb (25) 0.32 ppb (4) N/A 6.0 μg/m3 (25) 25.0
 
Oct. 13, 2021, 5 p.m. 13.5 ppb (13) 4.5 ppb (5) N/A 9.0 ppb (9) N/A N/A 22.0 ppb (21) 0.39 ppb (5) N/A 7.0 μg/m3 (30) 30.0
 
Oct. 13, 2021, 4 p.m. 20.6 ppb (20) 7.0 ppb (7) N/A 14.0 ppb (14) N/A N/A 15.0 ppb (14) 0.45 ppb (6) N/A 9.0 μg/m3 (38) 38.0
 
Oct. 13, 2021, 3 p.m. 26.7 ppb (26) 9.4 ppb (9) N/A 17.0 ppb (17) N/A N/A 9.0 ppb (9) 0.55 ppb (7) N/A N/A 26.0
 
Oct. 13, 2021, 2 p.m. 15.4 ppb (15) 3.5 ppb (4) N/A 12.0 ppb (12) N/A N/A 12.0 ppb (12) 0.45 ppb (6) N/A 8.0 μg/m3 (34) 34.0
 
Oct. 13, 2021, 1 p.m. 10.6 ppb (10) 2.0 ppb (2) N/A 9.0 ppb (9) N/A N/A 15.0 ppb (14) 0.35 ppb (4) N/A 8.0 μg/m3 (34) 34.0
 
Oct. 13, 2021, noon 6.5 ppb (7) 0.6 ppb (1) N/A 6.0 ppb (6) N/A N/A 16.0 ppb (15) 0.33 ppb (4) N/A 6.0 μg/m3 (25) 25.0
 
Oct. 13, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (34) 34.0
 
Oct. 13, 2021, 10 a.m. 7.3 ppb (7) 0.5 ppb (1) N/A 7.0 ppb (7) N/A N/A 14.0 ppb (13) 0.34 ppb (4) N/A 7.0 μg/m3 (30) 30.0
 
Oct. 13, 2021, 9 a.m. 7.4 ppb (7) 0.5 ppb (1) N/A 7.0 ppb (7) N/A N/A 14.0 ppb (13) 0.36 ppb (5) N/A 6.0 μg/m3 (25) 25.0
 
Oct. 13, 2021, 8 a.m. 5.3 ppb (5) 0.4 ppb (1) N/A 5.0 ppb (5) N/A N/A 20.0 ppb (19) 0.31 ppb (4) N/A 8.0 μg/m3 (34) 34.0
 
Oct. 13, 2021, 7 a.m. 5.1 ppb (5) 0.3 ppb (1) N/A 5.0 ppb (5) N/A N/A 22.0 ppb (21) 0.31 ppb (4) N/A 10.0 μg/m3 (42) 42.0
 
Oct. 13, 2021, 6 a.m. 7.0 ppb (7) 0.6 ppb (1) N/A 6.0 ppb (6) N/A N/A 20.0 ppb (19) 0.33 ppb (4) N/A 11.0 μg/m3 (46) 46.0
 
Oct. 13, 2021, 5 a.m. 10.4 ppb (10) 1.1 ppb (2) N/A 9.0 ppb (9) N/A N/A 16.0 ppb (15) 0.38 ppb (5) N/A 10.0 μg/m3 (42) 42.0
 
Oct. 13, 2021, 4 a.m. 16.2 ppb (16) 2.5 ppb (3) N/A 14.0 ppb (14) N/A N/A 14.0 ppb (13) 0.43 ppb (5) N/A 11.0 μg/m3 (46) 46.0
 
Oct. 13, 2021, 3 a.m. 16.1 ppb (16) 1.6 ppb (2) N/A 15.0 ppb (15) N/A N/A 16.0 ppb (15) 0.41 ppb (5) N/A 12.0 μg/m3 (50) 50.0
 
Oct. 13, 2021, 2 a.m. 16.5 ppb (16) 1.1 ppb (2) N/A 15.0 ppb (15) N/A N/A 18.0 ppb (17) 0.37 ppb (5) N/A 6.0 μg/m3 (25) 25.0
 
Oct. 13, 2021, 1 a.m. 10.6 ppb (10) 1.0 ppb (1) N/A 10.0 ppb (10) N/A N/A 24.0 ppb (23) 0.32 ppb (4) N/A 6.0 μg/m3 (25) 25.0
 
Oct. 13, 2021, midnight 8.5 ppb (9) 1.4 ppb (2) N/A 7.0 ppb (7) N/A N/A 26.0 ppb (25) 0.27 ppb (4) N/A 7.0 μg/m3 (30) 30.0
 
Oct. 12, 2021, 11 p.m. 6.2 ppb (6) 1.5 ppb (2) N/A 5.0 ppb (5) N/A N/A 31.0 ppb (29) 0.24 ppb (3) N/A 3.0 μg/m3 (13) 29.0
 
Oct. 12, 2021, 10 p.m. 5.7 ppb (6) 1.2 ppb (2) N/A 4.0 ppb (4) N/A N/A 33.0 ppb (31) 0.23 ppb (3) N/A 2.0 μg/m3 (9) 31.0
 
Oct. 12, 2021, 9 p.m. 2.9 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A N/A 34.0 ppb (32) 0.23 ppb (3) N/A 2.0 μg/m3 (9) 32.0
 
Oct. 12, 2021, 8 p.m. 3.0 ppb (3) 0.7 ppb (1) N/A 2.0 ppb (2) N/A N/A 33.0 ppb (31) 0.23 ppb (3) N/A 0.0 μg/m3 (0) 31.0
 
Oct. 12, 2021, 7 p.m. 2.0 ppb (2) 0.6 ppb (1) N/A 1.0 ppb (1) N/A N/A 34.0 ppb (32) 0.22 ppb (3) N/A -1.0 μg/m3 (0) 32.0
 
Oct. 12, 2021, 6 p.m. 3.2 ppb (4) 1.4 ppb (2) N/A 2.0 ppb (2) N/A N/A 33.0 ppb (31) 0.22 ppb (3) N/A 1.0 μg/m3 (5) 31.0
 
Oct. 12, 2021, 5 p.m. 3.5 ppb (4) 1.3 ppb (2) N/A 2.0 ppb (2) N/A N/A 31.0 ppb (29) 0.24 ppb (3) N/A 1.0 μg/m3 (5) 29.0
 
Oct. 12, 2021, 4 p.m. 3.1 ppb (3) 1.3 ppb (2) N/A 2.0 ppb (2) N/A N/A 30.0 ppb (28) 0.24 ppb (3) N/A 0.0 μg/m3 (0) 28.0
 
Oct. 12, 2021, 3 p.m. 5.3 ppb (5) 1.9 ppb (2) N/A 4.0 ppb (4) N/A N/A 28.0 ppb (26) 0.27 ppb (4) N/A -1.0 μg/m3 (0) 26.0
 
Oct. 12, 2021, 2 p.m. 11.7 ppb (12) 3.3 ppb (4) N/A 8.0 ppb (8) N/A N/A 24.0 ppb (23) 0.35 ppb (4) N/A 3.0 μg/m3 (13) 23.0
 
Oct. 12, 2021, 1 p.m. 7.0 ppb (7) 1.3 ppb (2) N/A 6.0 ppb (6) N/A N/A 27.0 ppb (25) 0.31 ppb (4) N/A 6.0 μg/m3 (25) 25.0
 
Oct. 12, 2021, noon 6.0 ppb (6) 1.4 ppb (2) N/A 5.0 ppb (5) N/A N/A 26.0 ppb (25) 0.28 ppb (4) N/A 5.0 μg/m3 (21) 25.0
 
Oct. 12, 2021, 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. 12, 2021, 10 a.m. 3.2 ppb (4) 0.4 ppb (1) N/A 3.0 ppb (3) N/A N/A 29.0 ppb (27) 0.24 ppb (3) N/A 4.0 μg/m3 (17) 27.0
 
Oct. 12, 2021, 9 a.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 31.0 ppb (29) 0.22 ppb (3) N/A 6.0 μg/m3 (25) 29.0
 
Oct. 12, 2021, 8 a.m. 0.7 ppb (1) 0.1 ppb (1) N/A 1.0 ppb (1) N/A N/A 33.0 ppb (31) 0.21 ppb (3) N/A 5.0 μg/m3 (21) 31.0
 
Oct. 12, 2021, 7 a.m. 2.5 ppb (3) 0.4 ppb (1) N/A 2.0 ppb (2) N/A N/A 32.0 ppb (30) 0.25 ppb (3) N/A 3.0 μg/m3 (13) 30.0
 
Oct. 12, 2021, 6 a.m. 8.7 ppb (9) 2.3 ppb (3) N/A 6.0 ppb (6) N/A N/A 25.0 ppb (24) 0.33 ppb (4) N/A 4.0 μg/m3 (17) 24.0
 
Oct. 12, 2021, 5 a.m. 5.7 ppb (6) 0.7 ppb (1) N/A 5.0 ppb (5) N/A N/A 26.0 ppb (25) 0.37 ppb (5) N/A 6.0 μg/m3 (25) 25.0
 
Oct. 12, 2021, 4 a.m. 8.3 ppb (8) 0.8 ppb (1) N/A 8.0 ppb (8) N/A N/A 24.0 ppb (23) 0.3 ppb (4) N/A 9.0 μg/m3 (38) 38.0
 
Oct. 12, 2021, 3 a.m. 7.7 ppb (8) 0.3 ppb (1) N/A 7.0 ppb (7) N/A N/A 26.0 ppb (25) 0.27 ppb (4) N/A 11.0 μg/m3 (46) 46.0
 
Oct. 12, 2021, 2 a.m. 4.7 ppb (5) 1.3 ppb (2) N/A 3.0 ppb (3) N/A N/A 34.0 ppb (32) 0.26 ppb (4) N/A 3.0 μg/m3 (13) 32.0
 
Oct. 12, 2021, 1 a.m. 3.6 ppb (4) 1.0 ppb (1) N/A 3.0 ppb (3) N/A N/A 36.0 ppb (34) 0.24 ppb (3) N/A 0.0 μg/m3 (0) 34.0
 
Oct. 12, 2021, midnight 2.4 ppb (3) 1.0 ppb (1) N/A 1.0 ppb (1) N/A N/A 37.0 ppb (35) 0.21 ppb (3) N/A 1.0 μg/m3 (5) 35.0
 
Oct. 11, 2021, 11 p.m. 2.4 ppb (3) 0.9 ppb (1) N/A 2.0 ppb (2) N/A N/A 36.0 ppb (34) 0.21 ppb (3) N/A 2.0 μg/m3 (9) 34.0
 
Oct. 11, 2021, 10 p.m. 2.4 ppb (3) 0.8 ppb (1) N/A 2.0 ppb (2) N/A N/A 35.0 ppb (33) 0.21 ppb (3) N/A 2.0 μg/m3 (9) 33.0
 
Oct. 11, 2021, 9 p.m. 1.9 ppb (2) 0.7 ppb (1) N/A 1.0 ppb (1) N/A N/A 35.0 ppb (33) 0.21 ppb (3) N/A 3.0 μg/m3 (13) 33.0
 
Oct. 11, 2021, 8 p.m. 2.9 ppb (3) 0.9 ppb (1) N/A 2.0 ppb (2) N/A N/A 34.0 ppb (32) 0.23 ppb (3) N/A 5.0 μg/m3 (21) 32.0
 
Oct. 11, 2021, 7 p.m. 4.4 ppb (5) 1.3 ppb (2) N/A 3.0 ppb (3) N/A N/A 33.0 ppb (31) 0.24 ppb (3) N/A 3.0 μg/m3 (13) 31.0
 
Oct. 11, 2021, 6 p.m. 3.3 ppb (4) 1.0 ppb (1) N/A 2.0 ppb (2) N/A N/A 33.0 ppb (31) 0.25 ppb (3) N/A 4.0 μg/m3 (17) 31.0
 
Oct. 11, 2021, 5 p.m. 4.5 ppb (5) 1.4 ppb (2) N/A 3.0 ppb (3) N/A N/A 32.0 ppb (30) 0.27 ppb (4) N/A 6.0 μg/m3 (25) 30.0
 
Oct. 11, 2021, 4 p.m. 3.9 ppb (4) 1.2 ppb (2) N/A 3.0 ppb (3) N/A N/A 31.0 ppb (29) 0.27 ppb (4) N/A 7.0 μg/m3 (30) 30.0
 
Oct. 11, 2021, 3 p.m. 4.6 ppb (5) 1.2 ppb (2) N/A 3.0 ppb (3) N/A N/A 31.0 ppb (29) 0.28 ppb (4) N/A 3.0 μg/m3 (13) 29.0
 
Oct. 11, 2021, 2 p.m. 4.5 ppb (5) 0.8 ppb (1) N/A 4.0 ppb (4) N/A N/A 31.0 ppb (29) 0.29 ppb (4) N/A 4.0 μg/m3 (17) 29.0
 
Oct. 11, 2021, 1 p.m. 2.5 ppb (3) 0.4 ppb (1) N/A 2.0 ppb (2) N/A N/A 33.0 ppb (31) 0.29 ppb (4) N/A 5.0 μg/m3 (21) 31.0
 
Oct. 11, 2021, noon 4.3 ppb (5) 0.2 ppb (1) N/A 4.0 ppb (4) N/A N/A 31.0 ppb (29) 0.26 ppb (4) N/A 7.0 μg/m3 (30) 30.0
 
Oct. 11, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
Oct. 11, 2021, 10 a.m. 0.8 ppb (1) 0.1 ppb (1) N/A 1.0 ppb (1) N/A N/A 36.0 ppb (34) 0.24 ppb (3) N/A 7.0 μg/m3 (30) 34.0
 
Oct. 11, 2021, 9 a.m. 5.2 ppb (5) 1.6 ppb (2) N/A 4.0 ppb (4) N/A N/A 31.0 ppb (29) 0.28 ppb (4) N/A 8.0 μg/m3 (34) 34.0
 
Oct. 11, 2021, 8 a.m. 7.4 ppb (7) 0.5 ppb (1) N/A 7.0 ppb (7) N/A N/A 17.0 ppb (16) 0.39 ppb (5) N/A 9.0 μg/m3 (38) 38.0
 
Oct. 11, 2021, 7 a.m. 8.6 ppb (9) 0.8 ppb (1) N/A 8.0 ppb (8) N/A N/A 19.0 ppb (18) 0.47 ppb (6) N/A 11.0 μg/m3 (46) 46.0
 
Oct. 11, 2021, 6 a.m. 5.1 ppb (5) 0.5 ppb (1) N/A 5.0 ppb (5) N/A N/A 27.0 ppb (25) 0.35 ppb (4) N/A 9.0 μg/m3 (38) 38.0
 
Oct. 11, 2021, 5 a.m. 7.8 ppb (8) 0.9 ppb (1) N/A 7.0 ppb (7) N/A N/A 23.0 ppb (22) 0.38 ppb (5) N/A 9.0 μg/m3 (38) 38.0
 
Oct. 11, 2021, 4 a.m. 5.7 ppb (6) 0.2 ppb (1) N/A 6.0 ppb (6) N/A N/A 28.0 ppb (26) 0.33 ppb (4) N/A 10.0 μg/m3 (42) 42.0
 
Oct. 11, 2021, 3 a.m. 5.6 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 8.0 μg/m3 (34) 34.0
 
Oct. 11, 2021, 2 a.m. 5.7 ppb (6) 0.2 ppb (1) N/A 6.0 ppb (6) N/A N/A 23.0 ppb (22) 0.34 ppb (4) N/A 9.0 μg/m3 (38) 38.0
 
Oct. 11, 2021, 1 a.m. 5.8 ppb (6) 0.8 ppb (1) N/A 5.0 ppb (5) N/A N/A 27.0 ppb (25) 0.33 ppb (4) N/A 5.0 μg/m3 (21) 25.0
 
Oct. 11, 2021, midnight 6.0 ppb (6) 1.2 ppb (2) N/A 5.0 ppb (5) N/A N/A 29.0 ppb (27) 0.3 ppb (4) N/A 6.0 μg/m3 (25) 27.0
 
Oct. 10, 2021, 11 p.m. 7.4 ppb (7) 1.8 ppb (2) N/A 6.0 ppb (6) N/A N/A 33.0 ppb (31) 0.33 ppb (4) N/A 9.0 μg/m3 (38) 38.0
 
Oct. 10, 2021, 10 p.m. 9.3 ppb (9) 2.1 ppb (2) N/A 7.0 ppb (7) N/A N/A 35.0 ppb (33) 0.36 ppb (5) N/A 9.0 μg/m3 (38) 38.0
 
Oct. 10, 2021, 9 p.m. 9.2 ppb (9) 2.0 ppb (2) N/A 7.0 ppb (7) N/A N/A 35.0 ppb (33) 0.36 ppb (5) N/A 10.0 μg/m3 (42) 42.0
 
Oct. 10, 2021, 8 p.m. 9.4 ppb (9) 2.3 ppb (3) N/A 7.0 ppb (7) N/A N/A 33.0 ppb (31) 0.39 ppb (5) N/A 9.0 μg/m3 (38) 38.0