ID: 156

AQSQID: 060410001

Site Name: San Rafael

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

Updated: Dec. 3, 2020, 2:41 a.m.

Location: San Rafael (Montecito/Happy Valley), CA

Reporting: True, Located: True

Current AQI: 34.0

San Rafael (Montecito/Happy Valley) CA, US: 37.9722, -122.5189

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Dec. 3, 2020, 1 a.m. 24.3 ppb (23) 2.7 ppb (3) N/A 22.0 ppb (21) N/A N/A 13.0 ppb (13) 0.45 ppb (6) N/A 8.0 μg/m3 (34) 34.0
 
Dec. 3, 2020, midnight 25.0 ppb (24) 3.2 ppb (4) N/A 22.0 ppb (21) N/A N/A 18.0 ppb (17) 0.46 ppb (6) N/A 7.0 μg/m3 (30) 30.0
 
Dec. 2, 2020, 11 p.m. 12.9 ppb (13) 2.0 ppb (2) N/A 11.0 ppb (11) N/A N/A 31.0 ppb (29) 0.29 ppb (4) N/A 5.0 μg/m3 (21) 29.0
 
Dec. 2, 2020, 10 p.m. 12.9 ppb (13) 2.5 ppb (3) N/A 10.0 ppb (10) N/A N/A 32.0 ppb (30) 0.29 ppb (4) N/A 7.0 μg/m3 (30) 30.0
 
Dec. 2, 2020, 9 p.m. 10.0 ppb (10) 1.5 ppb (2) N/A 9.0 ppb (9) N/A N/A 33.0 ppb (31) 0.27 ppb (4) N/A 6.0 μg/m3 (25) 31.0
 
Dec. 2, 2020, 8 p.m. 8.9 ppb (9) 1.8 ppb (2) N/A 7.0 ppb (7) N/A N/A 33.0 ppb (31) 0.26 ppb (4) N/A 7.0 μg/m3 (30) 31.0
 
Dec. 2, 2020, 7 p.m. 13.4 ppb (13) 3.9 ppb (4) N/A 10.0 ppb (10) N/A N/A 29.0 ppb (27) 0.3 ppb (4) N/A 6.0 μg/m3 (25) 27.0
 
Dec. 2, 2020, 6 p.m. 20.9 ppb (20) 7.1 ppb (7) N/A 14.0 ppb (14) N/A N/A 19.0 ppb (18) 0.4 ppb (5) N/A 9.0 μg/m3 (38) 38.0
 
Dec. 2, 2020, 5 p.m. 36.9 ppb (35) 15.7 ppb (15) N/A 21.0 ppb (20) N/A N/A 11.0 ppb (11) 0.54 ppb (6) N/A 9.0 μg/m3 (38) 38.0
 
Dec. 2, 2020, 4 p.m. 77.2 ppb (76) 47.9 ppb (46) N/A 29.0 ppb (28) N/A N/A 3.0 ppb (3) 0.86 ppb (11) N/A 9.0 μg/m3 (38) 76.0
 
Dec. 2, 2020, 3 p.m. 90.5 ppb (90) 60.8 ppb (59) N/A 30.0 ppb (29) N/A N/A 0.0 ppb (0) 1.17 ppb (14) N/A 8.0 μg/m3 (34) 90.0
 
Dec. 2, 2020, 2 p.m. 63.8 ppb (62) 38.1 ppb (36) N/A 26.0 ppb (25) N/A N/A 0.0 ppb (0) 0.81 ppb (10) N/A 6.0 μg/m3 (25) 62.0
 
Dec. 2, 2020, 1 p.m. 33.8 ppb (32) 13.7 ppb (13) N/A 20.0 ppb (19) N/A N/A 2.0 ppb (2) 0.51 ppb (6) N/A 6.0 μg/m3 (25) 32.0
 
Dec. 2, 2020, noon 23.2 ppb (22) 5.4 ppb (6) N/A 18.0 ppb (17) N/A N/A 3.0 ppb (3) 0.36 ppb (5) N/A 8.0 μg/m3 (34) 34.0
 
Dec. 2, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
Dec. 2, 2020, 10 a.m. 22.4 ppb (22) 5.3 ppb (5) N/A 17.0 ppb (17) N/A N/A 3.0 ppb (3) 0.35 ppb (4) N/A 5.0 μg/m3 (21) 22.0
 
Dec. 2, 2020, 9 a.m. 29.6 ppb (28) 9.5 ppb (9) N/A 20.0 ppb (19) N/A N/A 1.0 ppb (1) 0.39 ppb (5) N/A 3.0 μg/m3 (13) 28.0
 
Dec. 2, 2020, 8 a.m. 29.3 ppb (28) 8.7 ppb (9) N/A 21.0 ppb (20) N/A N/A 1.0 ppb (1) 0.47 ppb (6) N/A 5.0 μg/m3 (21) 28.0
 
Dec. 2, 2020, 7 a.m. 28.3 ppb (27) 6.9 ppb (7) N/A 21.0 ppb (20) N/A N/A 3.0 ppb (3) 0.5 ppb (6) N/A 7.0 μg/m3 (30) 30.0
 
Dec. 2, 2020, 6 a.m. 36.6 ppb (35) 12.7 ppb (12) N/A 24.0 ppb (23) N/A N/A 2.0 ppb (2) 0.67 ppb (8) N/A 6.0 μg/m3 (25) 35.0
 
Dec. 2, 2020, 5 a.m. 30.5 ppb (29) 7.7 ppb (8) N/A 23.0 ppb (22) N/A N/A 4.0 ppb (4) 0.67 ppb (8) N/A 9.0 μg/m3 (38) 38.0
 
Dec. 2, 2020, 4 a.m. 38.4 ppb (37) 12.9 ppb (13) N/A 26.0 ppb (25) N/A N/A 4.0 ppb (4) 0.68 ppb (8) N/A 11.0 μg/m3 (46) 46.0
 
Dec. 2, 2020, 3 a.m. 53.4 ppb (51) 24.0 ppb (23) N/A 30.0 ppb (29) N/A N/A 1.0 ppb (1) 0.89 ppb (11) N/A 13.0 μg/m3 (53) 53.0
 
Dec. 2, 2020, 2 a.m. 43.9 ppb (42) 15.6 ppb (15) N/A 28.0 ppb (27) N/A N/A 6.0 ppb (6) 0.68 ppb (8) N/A 8.0 μg/m3 (34) 42.0
 
Dec. 2, 2020, 1 a.m. 43.9 ppb (42) 15.7 ppb (15) N/A 28.0 ppb (27) N/A N/A 6.0 ppb (6) 0.73 ppb (8) N/A 9.0 μg/m3 (38) 42.0
 
Dec. 2, 2020, midnight 54.2 ppb (52) 19.7 ppb (19) N/A 35.0 ppb (34) N/A N/A 7.0 ppb (7) 0.99 ppb (12) N/A 10.0 μg/m3 (42) 52.0
 
Dec. 1, 2020, 11 p.m. 11.7 ppb (12) 1.9 ppb (2) N/A 10.0 ppb (10) N/A N/A 30.0 ppb (28) 0.32 ppb (4) N/A 4.0 μg/m3 (17) 28.0
 
Dec. 1, 2020, 10 p.m. 9.6 ppb (10) 1.9 ppb (2) N/A 8.0 ppb (8) N/A N/A 31.0 ppb (29) 0.28 ppb (4) N/A 6.0 μg/m3 (25) 29.0
 
Dec. 1, 2020, 9 p.m. 8.3 ppb (8) 2.1 ppb (2) N/A 6.0 ppb (6) N/A N/A 32.0 ppb (30) 0.27 ppb (4) N/A 5.0 μg/m3 (21) 30.0
 
Dec. 1, 2020, 8 p.m. 10.5 ppb (10) 3.6 ppb (4) N/A 7.0 ppb (7) N/A N/A 24.0 ppb (23) 0.3 ppb (4) N/A 7.0 μg/m3 (30) 30.0
 
Dec. 1, 2020, 7 p.m. 15.8 ppb (15) 6.7 ppb (7) N/A 9.0 ppb (9) N/A N/A 15.0 ppb (14) 0.36 ppb (5) N/A 10.0 μg/m3 (42) 42.0
 
Dec. 1, 2020, 6 p.m. 28.1 ppb (27) 13.7 ppb (13) N/A 14.0 ppb (14) N/A N/A 9.0 ppb (9) 0.46 ppb (6) N/A 4.0 μg/m3 (17) 27.0
 
Dec. 1, 2020, 5 p.m. 29.5 ppb (28) 14.5 ppb (14) N/A 15.0 ppb (15) N/A N/A 8.0 ppb (8) 0.43 ppb (5) N/A 3.0 μg/m3 (13) 28.0
 
Dec. 1, 2020, 4 p.m. 80.4 ppb (80) 58.5 ppb (56) N/A 22.0 ppb (21) N/A N/A 1.0 ppb (1) 0.98 ppb (12) N/A 4.0 μg/m3 (17) 80.0
 
Dec. 1, 2020, 3 p.m. 83.5 ppb (83) 55.6 ppb (53) N/A 28.0 ppb (27) N/A N/A 0.0 ppb (0) 0.81 ppb (10) N/A 4.0 μg/m3 (17) 83.0
 
Dec. 1, 2020, 2 p.m. 63.5 ppb (62) 44.1 ppb (42) N/A 19.0 ppb (18) N/A N/A 0.0 ppb (0) 0.75 ppb (10) N/A 2.0 μg/m3 (9) 62.0
 
Dec. 1, 2020, 1 p.m. 37.7 ppb (36) 20.3 ppb (20) N/A 17.0 ppb (17) N/A N/A 1.0 ppb (1) 0.41 ppb (5) N/A 2.0 μg/m3 (9) 36.0
 
Dec. 1, 2020, noon 26.8 ppb (26) 10.6 ppb (10) N/A 16.0 ppb (16) N/A N/A 1.0 ppb (1) 0.31 ppb (4) N/A 1.0 μg/m3 (5) 26.0
 
Dec. 1, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 0.0 μg/m3 (0) 0.0
Dec. 1, 2020, 10 a.m. 10.6 ppb (10) 1.2 ppb (2) N/A 9.0 ppb (9) N/A N/A 12.0 ppb (12) 0.41 ppb (5) N/A 0.0 μg/m3 (0) 12.0
 
Dec. 1, 2020, 9 a.m. 8.9 ppb (9) 1.1 ppb (2) N/A 8.0 ppb (8) N/A N/A 16.0 ppb (15) 0.27 ppb (4) N/A 3.0 μg/m3 (13) 15.0
 
Dec. 1, 2020, 8 a.m. 13.7 ppb (13) 1.9 ppb (2) N/A 12.0 ppb (12) N/A N/A 14.0 ppb (13) 0.32 ppb (4) N/A 6.0 μg/m3 (25) 25.0
 
Dec. 1, 2020, 7 a.m. 29.5 ppb (28) 7.9 ppb (8) N/A 22.0 ppb (21) N/A N/A 4.0 ppb (4) 0.54 ppb (6) N/A 10.0 μg/m3 (42) 42.0
 
Dec. 1, 2020, 6 a.m. 35.5 ppb (34) 10.3 ppb (10) N/A 25.0 ppb (24) N/A N/A 1.0 ppb (1) 0.71 ppb (8) N/A 12.0 μg/m3 (50) 50.0
 
Dec. 1, 2020, 5 a.m. 36.2 ppb (35) 11.3 ppb (11) N/A 25.0 ppb (24) N/A N/A 3.0 ppb (3) 0.67 ppb (8) N/A 7.0 μg/m3 (30) 35.0
 
Dec. 1, 2020, 4 a.m. 35.6 ppb (34) 9.5 ppb (9) N/A 26.0 ppb (25) N/A N/A 4.0 ppb (4) 0.68 ppb (8) N/A 9.0 μg/m3 (38) 38.0
 
Dec. 1, 2020, 3 a.m. 28.7 ppb (28) 6.2 ppb (6) N/A 23.0 ppb (22) N/A N/A 9.0 ppb (9) 0.57 ppb (7) N/A 7.0 μg/m3 (30) 30.0
 
Dec. 1, 2020, 2 a.m. 19.5 ppb (19) 3.3 ppb (4) N/A 16.0 ppb (16) N/A N/A 16.0 ppb (15) 0.39 ppb (5) N/A 7.0 μg/m3 (30) 30.0
 
Dec. 1, 2020, 1 a.m. 25.3 ppb (24) 6.6 ppb (7) N/A 19.0 ppb (18) N/A N/A 14.0 ppb (13) 0.49 ppb (6) N/A 6.0 μg/m3 (25) 25.0
 
Dec. 1, 2020, midnight 36.0 ppb (34) 12.2 ppb (12) N/A 24.0 ppb (23) N/A N/A 9.0 ppb (9) 0.56 ppb (7) N/A 6.0 μg/m3 (25) 34.0
 
Nov. 30, 2020, 11 p.m. 14.2 ppb (14) 3.2 ppb (4) N/A 11.0 ppb (11) N/A N/A 21.0 ppb (20) 0.33 ppb (4) N/A 6.0 μg/m3 (25) 25.0
 
Nov. 30, 2020, 10 p.m. 9.8 ppb (10) 2.4 ppb (3) N/A 8.0 ppb (8) N/A N/A 26.0 ppb (25) 0.32 ppb (4) N/A 5.0 μg/m3 (21) 25.0
 
Nov. 30, 2020, 9 p.m. 9.3 ppb (9) 2.7 ppb (3) N/A 7.0 ppb (7) N/A N/A 24.0 ppb (23) 0.31 ppb (4) N/A 7.0 μg/m3 (30) 30.0
 
Nov. 30, 2020, 8 p.m. 15.6 ppb (15) 5.6 ppb (6) N/A 10.0 ppb (10) N/A N/A 19.0 ppb (18) 0.36 ppb (5) N/A 8.0 μg/m3 (34) 34.0
 
Nov. 30, 2020, 7 p.m. 15.4 ppb (15) 5.8 ppb (6) N/A 10.0 ppb (10) N/A N/A 18.0 ppb (17) 0.37 ppb (5) N/A 6.0 μg/m3 (25) 25.0
 
Nov. 30, 2020, 6 p.m. 13.4 ppb (13) 4.9 ppb (5) N/A 9.0 ppb (9) N/A N/A 17.0 ppb (16) 0.36 ppb (5) N/A 5.0 μg/m3 (21) 21.0
 
Nov. 30, 2020, 5 p.m. 22.6 ppb (22) 10.1 ppb (10) N/A 13.0 ppb (13) N/A N/A 11.0 ppb (11) 0.48 ppb (6) N/A 6.0 μg/m3 (25) 25.0
 
Nov. 30, 2020, 4 p.m. 72.7 ppb (71) 47.0 ppb (45) N/A 26.0 ppb (25) N/A N/A 2.0 ppb (2) 1.03 ppb (12) N/A 9.0 μg/m3 (38) 71.0
 
Nov. 30, 2020, 3 p.m. 70.9 ppb (70) 44.3 ppb (42) N/A 27.0 ppb (26) N/A N/A 0.0 ppb (0) 0.99 ppb (12) N/A 7.0 μg/m3 (30) 70.0
 
Nov. 30, 2020, 2 p.m. 54.4 ppb (52) 28.3 ppb (27) N/A 26.0 ppb (25) N/A N/A 0.0 ppb (0) 0.67 ppb (8) N/A 9.0 μg/m3 (38) 52.0
 
Nov. 30, 2020, 1 p.m. 32.0 ppb (31) 10.8 ppb (11) N/A 21.0 ppb (20) N/A N/A 3.0 ppb (3) 0.47 ppb (6) N/A 6.0 μg/m3 (25) 31.0
 
Nov. 30, 2020, noon 30.7 ppb (29) 8.8 ppb (9) N/A 22.0 ppb (21) N/A N/A 1.0 ppb (1) 0.39 ppb (5) N/A 6.0 μg/m3 (25) 29.0
 
Nov. 30, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
Nov. 30, 2020, 10 a.m. 19.2 ppb (19) 2.5 ppb (3) N/A 17.0 ppb (17) N/A N/A 7.0 ppb (7) 0.39 ppb (5) N/A 8.0 μg/m3 (34) 34.0
 
Nov. 30, 2020, 9 a.m. 25.0 ppb (24) 3.6 ppb (4) N/A 21.0 ppb (20) N/A N/A 4.0 ppb (4) 0.47 ppb (6) N/A 10.0 μg/m3 (42) 42.0
 
Nov. 30, 2020, 8 a.m. 25.2 ppb (24) 4.7 ppb (5) N/A 21.0 ppb (20) N/A N/A 5.0 ppb (5) 0.53 ppb (6) N/A 13.0 μg/m3 (53) 53.0
 
Nov. 30, 2020, 7 a.m. 34.4 ppb (33) 9.0 ppb (9) N/A 26.0 ppb (25) N/A N/A 2.0 ppb (2) 0.71 ppb (8) N/A 16.0 μg/m3 (60) 60.0
 
Nov. 30, 2020, 6 a.m. 42.6 ppb (41) 14.5 ppb (14) N/A 28.0 ppb (27) N/A N/A 1.0 ppb (1) 0.85 ppb (10) N/A 12.0 μg/m3 (50) 50.0
 
Nov. 30, 2020, 5 a.m. 39.2 ppb (37) 10.5 ppb (10) N/A 29.0 ppb (28) N/A N/A 3.0 ppb (3) 0.74 ppb (8) N/A 16.0 μg/m3 (60) 60.0
 
Nov. 30, 2020, 4 a.m. 41.0 ppb (39) 12.2 ppb (12) N/A 29.0 ppb (28) N/A N/A 4.0 ppb (4) 0.77 ppb (10) N/A 19.0 μg/m3 (66) 66.0
 
Nov. 30, 2020, 3 a.m. 38.1 ppb (36) 9.1 ppb (9) N/A 29.0 ppb (28) N/A N/A 6.0 ppb (6) 0.78 ppb (10) N/A 13.0 μg/m3 (53) 53.0
 
Nov. 30, 2020, 2 a.m. 40.4 ppb (39) 8.5 ppb (9) N/A 32.0 ppb (31) N/A N/A 4.0 ppb (4) 0.81 ppb (10) N/A 17.0 μg/m3 (62) 62.0
 
Nov. 30, 2020, 1 a.m. 22.7 ppb (22) 1.4 ppb (2) N/A 21.0 ppb (20) N/A N/A 18.0 ppb (17) 0.6 ppb (7) N/A 17.0 μg/m3 (62) 62.0
 
Nov. 30, 2020, midnight 16.6 ppb (16) 1.2 ppb (2) N/A 16.0 ppb (16) N/A N/A 28.0 ppb (26) 0.5 ppb (6) N/A 10.0 μg/m3 (42) 42.0
 
Nov. 29, 2020, 11 p.m. 7.6 ppb (8) 1.0 ppb (1) N/A 7.0 ppb (7) N/A N/A 37.0 ppb (35) 0.31 ppb (4) N/A 8.0 μg/m3 (34) 35.0
 
Nov. 29, 2020, 10 p.m. 4.9 ppb (5) 0.6 ppb (1) N/A 4.0 ppb (4) N/A N/A 39.0 ppb (37) 0.26 ppb (4) N/A 7.0 μg/m3 (30) 37.0
 
Nov. 29, 2020, 9 p.m. 4.0 ppb (4) 0.5 ppb (1) N/A 4.0 ppb (4) N/A N/A 39.0 ppb (37) 0.26 ppb (4) N/A 8.0 μg/m3 (34) 37.0
 
Nov. 29, 2020, 8 p.m. 8.3 ppb (8) 1.6 ppb (2) N/A 7.0 ppb (7) N/A N/A 34.0 ppb (32) 0.33 ppb (4) N/A 7.0 μg/m3 (30) 32.0
 
Nov. 29, 2020, 7 p.m. 11.8 ppb (12) 3.2 ppb (4) N/A 9.0 ppb (9) N/A N/A 26.0 ppb (25) 0.4 ppb (5) N/A 7.0 μg/m3 (30) 30.0
 
Nov. 29, 2020, 6 p.m. 12.5 ppb (12) 3.6 ppb (4) N/A 9.0 ppb (9) N/A N/A 22.0 ppb (21) 0.41 ppb (5) N/A 9.0 μg/m3 (38) 38.0
 
Nov. 29, 2020, 5 p.m. 29.1 ppb (28) 12.5 ppb (12) N/A 17.0 ppb (17) N/A N/A 12.0 ppb (12) 0.6 ppb (7) N/A 11.0 μg/m3 (46) 46.0
 
Nov. 29, 2020, 4 p.m. 41.9 ppb (40) 19.3 ppb (19) N/A 23.0 ppb (22) N/A N/A 5.0 ppb (5) 0.68 ppb (8) N/A 11.0 μg/m3 (46) 46.0
 
Nov. 29, 2020, 3 p.m. 42.3 ppb (40) 18.5 ppb (18) N/A 24.0 ppb (23) N/A N/A 1.0 ppb (1) 0.69 ppb (8) N/A 8.0 μg/m3 (34) 40.0
 
Nov. 29, 2020, 2 p.m. 38.8 ppb (37) 16.1 ppb (16) N/A 23.0 ppb (22) N/A N/A 0.0 ppb (0) 0.57 ppb (7) N/A 8.0 μg/m3 (34) 37.0
 
Nov. 29, 2020, 1 p.m. 31.1 ppb (30) 9.0 ppb (9) N/A 22.0 ppb (21) N/A N/A 0.0 ppb (0) 0.41 ppb (5) N/A 9.0 μg/m3 (38) 38.0
 
Nov. 29, 2020, noon 28.2 ppb (27) 7.1 ppb (7) N/A 21.0 ppb (20) N/A N/A 1.0 ppb (1) 0.4 ppb (5) N/A 7.0 μg/m3 (30) 30.0
 
Nov. 29, 2020, 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
 
Nov. 29, 2020, 10 a.m. 21.8 ppb (21) 3.3 ppb (4) N/A 19.0 ppb (18) N/A N/A 5.0 ppb (5) 0.44 ppb (5) N/A 7.0 μg/m3 (30) 30.0
 
Nov. 29, 2020, 9 a.m. 23.7 ppb (23) 4.0 ppb (4) N/A 20.0 ppb (19) N/A N/A 4.0 ppb (4) 0.54 ppb (6) N/A 8.0 μg/m3 (34) 34.0
 
Nov. 29, 2020, 8 a.m. 26.2 ppb (25) 4.2 ppb (4) N/A 22.0 ppb (21) N/A N/A 3.0 ppb (3) 0.6 ppb (7) N/A 11.0 μg/m3 (46) 46.0
 
Nov. 29, 2020, 7 a.m. 32.1 ppb (31) 7.0 ppb (7) N/A 25.0 ppb (24) N/A N/A 2.0 ppb (2) 0.79 ppb (10) N/A 9.0 μg/m3 (38) 38.0
 
Nov. 29, 2020, 6 a.m. 39.3 ppb (38) 12.4 ppb (12) N/A 27.0 ppb (26) N/A N/A 2.0 ppb (2) 0.8 ppb (10) N/A 12.0 μg/m3 (50) 50.0
 
Nov. 29, 2020, 5 a.m. 44.9 ppb (43) 14.7 ppb (14) N/A 30.0 ppb (29) N/A N/A 2.0 ppb (2) 0.88 ppb (11) N/A 20.0 μg/m3 (68) 68.0
 
Nov. 29, 2020, 4 a.m. 45.0 ppb (43) 13.9 ppb (14) N/A 31.0 ppb (30) N/A N/A 1.0 ppb (1) 1.08 ppb (13) N/A 22.0 μg/m3 (72) 72.0
 
Nov. 29, 2020, 3 a.m. 43.1 ppb (41) 11.5 ppb (11) N/A 32.0 ppb (31) N/A N/A 4.0 ppb (4) 0.96 ppb (12) N/A 28.0 μg/m3 (85) 85.0
 
Nov. 29, 2020, 2 a.m. 34.5 ppb (33) 5.8 ppb (6) N/A 29.0 ppb (28) N/A N/A 9.0 ppb (9) 0.7 ppb (8) N/A 26.0 μg/m3 (81) 81.0
 
Nov. 29, 2020, 1 a.m. 16.6 ppb (16) 0.7 ppb (1) N/A 16.0 ppb (16) N/A N/A 23.0 ppb (22) 0.42 ppb (5) N/A 14.0 μg/m3 (55) 55.0
 
Nov. 29, 2020, midnight 23.5 ppb (23) 2.0 ppb (2) N/A 22.0 ppb (21) N/A N/A 23.0 ppb (22) 0.56 ppb (7) N/A 13.0 μg/m3 (53) 53.0
 
Nov. 28, 2020, 11 p.m. 9.9 ppb (10) 1.5 ppb (2) N/A 9.0 ppb (9) N/A N/A 37.0 ppb (35) 0.34 ppb (4) N/A 9.0 μg/m3 (38) 38.0
 
Nov. 28, 2020, 10 p.m. 4.6 ppb (5) 0.4 ppb (1) N/A 4.0 ppb (4) N/A N/A 39.0 ppb (37) 0.26 ppb (4) N/A 9.0 μg/m3 (38) 38.0
 
Nov. 28, 2020, 9 p.m. 5.2 ppb (5) 0.9 ppb (1) N/A 4.0 ppb (4) N/A N/A 35.0 ppb (33) 0.27 ppb (4) N/A 8.0 μg/m3 (34) 34.0
 
Nov. 28, 2020, 8 p.m. 4.6 ppb (5) 0.8 ppb (1) N/A 4.0 ppb (4) N/A N/A 33.0 ppb (31) 0.27 ppb (4) N/A 8.0 μg/m3 (34) 34.0
 
Nov. 28, 2020, 7 p.m. 7.9 ppb (8) 2.0 ppb (2) N/A 6.0 ppb (6) N/A N/A 26.0 ppb (25) 0.3 ppb (4) N/A 9.0 μg/m3 (38) 38.0
 
Nov. 28, 2020, 6 p.m. 13.7 ppb (13) 4.5 ppb (5) N/A 9.0 ppb (9) N/A N/A 19.0 ppb (18) 0.38 ppb (5) N/A 10.0 μg/m3 (42) 42.0
 
Nov. 28, 2020, 5 p.m. 28.0 ppb (27) 12.8 ppb (13) N/A 15.0 ppb (15) N/A N/A 11.0 ppb (11) 0.5 ppb (6) N/A 8.0 μg/m3 (34) 34.0
 
Nov. 28, 2020, 4 p.m. 49.6 ppb (47) 27.4 ppb (26) N/A 22.0 ppb (21) N/A N/A 4.0 ppb (4) 0.7 ppb (8) N/A 9.0 μg/m3 (38) 47.0
 
Nov. 28, 2020, 3 p.m. 67.8 ppb (66) 45.7 ppb (44) N/A 22.0 ppb (21) N/A N/A 0.0 ppb (0) 0.99 ppb (12) N/A 5.0 μg/m3 (21) 66.0
 
Nov. 28, 2020, 2 p.m. 49.2 ppb (47) 27.4 ppb (26) N/A 22.0 ppb (21) N/A N/A 0.0 ppb (0) 0.62 ppb (7) N/A 4.0 μg/m3 (17) 47.0
 
Nov. 28, 2020, 1 p.m. 24.1 ppb (23) 6.2 ppb (6) N/A 18.0 ppb (17) N/A N/A 2.0 ppb (2) 0.39 ppb (5) N/A 2.0 μg/m3 (9) 23.0
 
Nov. 28, 2020, noon 22.7 ppb (22) 5.2 ppb (5) N/A 18.0 ppb (17) N/A N/A 4.0 ppb (4) 0.36 ppb (5) N/A 1.0 μg/m3 (5) 22.0
 
Nov. 28, 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
 
Nov. 28, 2020, 10 a.m. 17.9 ppb (17) 2.5 ppb (3) N/A 15.0 ppb (15) N/A N/A 4.0 ppb (4) 0.42 ppb (5) N/A 8.0 μg/m3 (34) 34.0
 
Nov. 28, 2020, 9 a.m. 21.9 ppb (21) 4.1 ppb (4) N/A 18.0 ppb (17) N/A N/A 3.0 ppb (3) 0.43 ppb (5) N/A 8.0 μg/m3 (34) 34.0
 
Nov. 28, 2020, 8 a.m. 24.6 ppb (24) 4.7 ppb (5) N/A 20.0 ppb (19) N/A N/A 3.0 ppb (3) 0.51 ppb (6) N/A 12.0 μg/m3 (50) 50.0
 
Nov. 28, 2020, 7 a.m. 35.5 ppb (34) 13.6 ppb (13) N/A 22.0 ppb (21) N/A N/A 1.0 ppb (1) 0.72 ppb (8) N/A 13.0 μg/m3 (53) 53.0
 
Nov. 28, 2020, 6 a.m. 38.5 ppb (37) 14.3 ppb (14) N/A 24.0 ppb (23) N/A N/A 1.0 ppb (1) 0.83 ppb (10) N/A 13.0 μg/m3 (53) 53.0
 
Nov. 28, 2020, 5 a.m. 43.3 ppb (41) 17.9 ppb (17) N/A 25.0 ppb (24) N/A N/A 1.0 ppb (1) 0.91 ppb (11) N/A 17.0 μg/m3 (62) 62.0
 
Nov. 28, 2020, 4 a.m. 44.1 ppb (42) 17.3 ppb (17) N/A 27.0 ppb (26) N/A N/A 2.0 ppb (2) 0.88 ppb (11) N/A 19.0 μg/m3 (66) 66.0
 
Nov. 28, 2020, 3 a.m. 49.0 ppb (47) 20.4 ppb (20) N/A 29.0 ppb (28) N/A N/A 1.0 ppb (1) 0.89 ppb (11) N/A 16.0 μg/m3 (60) 60.0
 
Nov. 28, 2020, 2 a.m. 42.7 ppb (41) 16.5 ppb (16) N/A 26.0 ppb (25) N/A N/A 3.0 ppb (3) 0.78 ppb (10) N/A 12.0 μg/m3 (50) 50.0
 
Nov. 28, 2020, 1 a.m. 24.2 ppb (23) 4.8 ppb (5) N/A 19.0 ppb (18) N/A N/A 9.0 ppb (9) 0.51 ppb (6) N/A 8.0 μg/m3 (34) 34.0
 
Nov. 28, 2020, midnight 33.2 ppb (32) 9.3 ppb (9) N/A 24.0 ppb (23) N/A N/A 11.0 ppb (11) 0.52 ppb (6) N/A 6.0 μg/m3 (25) 32.0
 
Nov. 27, 2020, 11 p.m. 8.8 ppb (9) 1.6 ppb (2) N/A 7.0 ppb (7) N/A N/A 26.0 ppb (25) 0.22 ppb (3) N/A 2.0 μg/m3 (9) 25.0
 
Nov. 27, 2020, 10 p.m. 6.5 ppb (7) 1.5 ppb (2) N/A 5.0 ppb (5) N/A N/A 28.0 ppb (26) 0.22 ppb (3) N/A 1.0 μg/m3 (5) 26.0
 
Nov. 27, 2020, 9 p.m. 10.3 ppb (10) 3.2 ppb (4) N/A 7.0 ppb (7) N/A N/A 22.0 ppb (21) 0.26 ppb (4) N/A 0.0 μg/m3 (0) 21.0
 
Nov. 27, 2020, 8 p.m. 7.7 ppb (8) 2.6 ppb (3) N/A 5.0 ppb (5) N/A N/A 23.0 ppb (22) 0.24 ppb (3) N/A -1.0 μg/m3 (0) 22.0
 
Nov. 27, 2020, 7 p.m. 9.8 ppb (10) 3.5 ppb (4) N/A 6.0 ppb (6) N/A N/A 20.0 ppb (19) 0.27 ppb (4) N/A 1.0 μg/m3 (5) 19.0
 
Nov. 27, 2020, 6 p.m. 14.6 ppb (14) 5.7 ppb (6) N/A 9.0 ppb (9) N/A N/A 16.0 ppb (15) 0.33 ppb (4) N/A 3.0 μg/m3 (13) 15.0
 
Nov. 27, 2020, 5 p.m. 24.6 ppb (24) 10.9 ppb (11) N/A 14.0 ppb (14) N/A N/A 11.0 ppb (11) 0.41 ppb (5) N/A 5.0 μg/m3 (21) 24.0
 
Nov. 27, 2020, 4 p.m. 60.3 ppb (58) 37.3 ppb (36) N/A 23.0 ppb (22) N/A N/A 3.0 ppb (3) 0.78 ppb (10) N/A 2.0 μg/m3 (9) 58.0
 
Nov. 27, 2020, 3 p.m. 78.7 ppb (78) 54.4 ppb (52) N/A 24.0 ppb (23) N/A N/A 0.0 ppb (0) 1.0 ppb (12) N/A 1.0 μg/m3 (5) 78.0
 
Nov. 27, 2020, 2 p.m. 63.7 ppb (62) 39.5 ppb (38) N/A 24.0 ppb (23) N/A N/A 0.0 ppb (0) 0.65 ppb (8) N/A 1.0 μg/m3 (5) 62.0
 
Nov. 27, 2020, 1 p.m. 45.3 ppb (43) 23.2 ppb (22) N/A 22.0 ppb (21) N/A N/A 0.0 ppb (0) 0.42 ppb (5) N/A 1.0 μg/m3 (5) 43.0
 
Nov. 27, 2020, noon 33.0 ppb (32) 11.0 ppb (11) N/A 22.0 ppb (21) N/A N/A 0.0 ppb (0) 0.37 ppb (5) N/A 1.0 μg/m3 (5) 32.0
 
Nov. 27, 2020, 11 a.m. 29.8 ppb (29) 10.8 ppb (11) N/A 19.0 ppb (18) N/A N/A 1.0 ppb (1) 0.39 ppb (5) N/A 3.0 μg/m3 (13) 29.0
 
Nov. 27, 2020, 10 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
 
Nov. 27, 2020, 9 a.m. 15.0 ppb (15) 1.3 ppb (2) N/A 14.0 ppb (14) N/A N/A 7.0 ppb (7) 0.34 ppb (4) N/A 0.0 μg/m3 (0) 15.0
 
Nov. 27, 2020, 8 a.m. 17.4 ppb (17) 2.7 ppb (3) N/A 15.0 ppb (15) N/A N/A 7.0 ppb (7) 0.43 ppb (5) N/A 4.0 μg/m3 (17) 17.0
 
Nov. 27, 2020, 7 a.m. 19.6 ppb (19) 2.6 ppb (3) N/A 17.0 ppb (17) N/A N/A 6.0 ppb (6) 0.56 ppb (7) N/A 8.0 μg/m3 (34) 34.0
 
Nov. 27, 2020, 6 a.m. 28.5 ppb (27) 7.3 ppb (7) N/A 21.0 ppb (20) N/A N/A 2.0 ppb (2) 0.75 ppb (10) N/A 12.0 μg/m3 (50) 50.0
 
Nov. 27, 2020, 5 a.m. 26.8 ppb (26) 5.9 ppb (6) N/A 21.0 ppb (20) N/A N/A 4.0 ppb (4) 0.72 ppb (8) N/A 17.0 μg/m3 (62) 62.0
 
Nov. 27, 2020, 4 a.m. 27.6 ppb (27) 6.7 ppb (7) N/A 21.0 ppb (20) N/A N/A 5.0 ppb (5) 0.66 ppb (8) N/A 14.0 μg/m3 (55) 55.0
 
Nov. 27, 2020, 3 a.m. 26.5 ppb (25) 5.2 ppb (5) N/A 21.0 ppb (20) N/A N/A 5.0 ppb (5) 0.65 ppb (8) N/A 14.0 μg/m3 (55) 55.0
 
Nov. 27, 2020, 2 a.m. 18.0 ppb (17) 1.9 ppb (2) N/A 16.0 ppb (16) N/A N/A 13.0 ppb (13) 0.47 ppb (6) N/A 8.0 μg/m3 (34) 34.0
 
Nov. 27, 2020, 1 a.m. 10.2 ppb (10) 0.9 ppb (1) N/A 9.0 ppb (9) N/A N/A 22.0 ppb (21) 0.29 ppb (4) N/A 4.0 μg/m3 (17) 21.0
 
Nov. 27, 2020, midnight 2.9 ppb (3) 0.3 ppb (1) N/A 3.0 ppb (3) N/A N/A 30.0 ppb (28) 0.2 ppb (3) N/A -2.0 μg/m3 (0) 28.0
 
Nov. 26, 2020, 11 p.m. 0.8 ppb (1) 0.1 ppb (1) N/A 1.0 ppb (1) N/A N/A 31.0 ppb (29) 0.14 ppb (2) N/A -3.0 μg/m3 (0) 29.0
 
Nov. 26, 2020, 10 p.m. 0.8 ppb (1) 0.1 ppb (1) N/A 1.0 ppb (1) N/A N/A 31.0 ppb (29) 0.15 ppb (2) N/A 1.0 μg/m3 (5) 29.0
 
Nov. 26, 2020, 9 p.m. 0.8 ppb (1) 0.1 ppb (1) N/A 1.0 ppb (1) N/A N/A 30.0 ppb (28) 0.17 ppb (3) N/A 1.0 μg/m3 (5) 28.0
 
Nov. 26, 2020, 8 p.m. 1.7 ppb (2) 0.4 ppb (1) N/A 1.0 ppb (1) N/A N/A 30.0 ppb (28) 0.18 ppb (3) N/A 0.0 μg/m3 (0) 28.0
 
Nov. 26, 2020, 7 p.m. 3.4 ppb (4) 1.0 ppb (1) N/A 3.0 ppb (3) N/A N/A 28.0 ppb (26) 0.22 ppb (3) N/A 0.0 μg/m3 (0) 26.0
 
Nov. 26, 2020, 6 p.m. 3.5 ppb (4) 1.0 ppb (1) N/A 3.0 ppb (3) N/A N/A 28.0 ppb (26) 0.22 ppb (3) N/A 0.0 μg/m3 (0) 26.0
 
Nov. 26, 2020, 5 p.m. 4.3 ppb (5) 1.2 ppb (2) N/A 3.0 ppb (3) N/A N/A 27.0 ppb (25) 0.25 ppb (3) N/A -1.0 μg/m3 (0) 25.0
 
Nov. 26, 2020, 4 p.m. 4.7 ppb (5) 1.1 ppb (2) N/A 4.0 ppb (4) N/A N/A 27.0 ppb (25) 0.24 ppb (3) N/A -1.0 μg/m3 (0) 25.0
 
Nov. 26, 2020, 3 p.m. 7.6 ppb (8) 1.2 ppb (2) N/A 6.0 ppb (6) N/A N/A 24.0 ppb (23) 0.29 ppb (4) N/A 0.0 μg/m3 (0) 23.0
 
Nov. 26, 2020, 2 p.m. 11.0 ppb (11) 1.0 ppb (1) N/A 10.0 ppb (10) N/A N/A 18.0 ppb (17) 0.3 ppb (4) N/A 1.0 μg/m3 (5) 17.0
 
Nov. 26, 2020, 1 p.m. 6.1 ppb (6) 0.6 ppb (1) N/A 6.0 ppb (6) N/A N/A 24.0 ppb (23) 0.22 ppb (3) N/A 0.0 μg/m3 (0) 23.0
 
Nov. 26, 2020, noon 8.3 ppb (8) 1.2 ppb (2) N/A 7.0 ppb (7) N/A N/A 20.0 ppb (19) 0.23 ppb (3) N/A 2.0 μg/m3 (9) 19.0
 
Nov. 26, 2020, 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
 
Nov. 26, 2020, 10 a.m. 5.1 ppb (5) 0.4 ppb (1) N/A 5.0 ppb (5) N/A N/A 21.0 ppb (20) 0.25 ppb (3) N/A 3.0 μg/m3 (13) 20.0
 
Nov. 26, 2020, 9 a.m. 8.6 ppb (9) 0.7 ppb (1) N/A 8.0 ppb (8) N/A N/A 17.0 ppb (16) 0.3 ppb (4) N/A 2.0 μg/m3 (9) 16.0
 
Nov. 26, 2020, 8 a.m. 10.0 ppb (10) 0.7 ppb (1) N/A 9.0 ppb (9) N/A N/A 13.0 ppb (13) 0.35 ppb (4) N/A 3.0 μg/m3 (13) 13.0
 
Nov. 26, 2020, 7 a.m. 4.7 ppb (5) 0.6 ppb (1) N/A 4.0 ppb (4) N/A N/A 22.0 ppb (21) 0.25 ppb (3) N/A 5.0 μg/m3 (21) 21.0
 
Nov. 26, 2020, 6 a.m. 4.6 ppb (5) 1.2 ppb (2) N/A 3.0 ppb (3) N/A N/A 24.0 ppb (23) 0.24 ppb (3) N/A 9.0 μg/m3 (38) 38.0
 
Nov. 26, 2020, 5 a.m. 4.9 ppb (5) 1.4 ppb (2) N/A 4.0 ppb (4) N/A N/A 24.0 ppb (23) 0.25 ppb (3) N/A 15.0 μg/m3 (58) 58.0
 
Nov. 26, 2020, 4 a.m. 3.2 ppb (4) 1.1 ppb (2) N/A 2.0 ppb (2) N/A N/A 26.0 ppb (25) 0.23 ppb (3) N/A 10.0 μg/m3 (42) 42.0
 
Nov. 26, 2020, 3 a.m. 3.8 ppb (4) 1.2 ppb (2) N/A 3.0 ppb (3) N/A N/A 27.0 ppb (25) 0.23 ppb (3) N/A 9.0 μg/m3 (38) 38.0
 
Nov. 26, 2020, 2 a.m. 8.9 ppb (9) 3.0 ppb (3) N/A 6.0 ppb (6) N/A N/A 26.0 ppb (25) 0.28 ppb (4) N/A 15.0 μg/m3 (58) 58.0