ID: 1973

AQSQID: 060792006

Site Name: San Luis Obispo - Higuera St

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

Updated: Jan. 25, 2021, 1:32 a.m.

Location: San Luis Obispo (S Higuera St), CA

Reporting: False, Located: True

Current AQI: None

San Luis Obispo (S Higuera St) CA, US: 35.25651, -120.6693

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Jan. 14, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A N/A 39.0
 
Jan. 14, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
Jan. 13, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.1 μg/m3 (10) 4.0 μg/m3 (17) 17.0
 
Jan. 13, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.4 μg/m3 (8) 4.0 μg/m3 (17) 17.0
 
Jan. 13, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.7 μg/m3 (8) 5.0 μg/m3 (21) 21.0
 
Jan. 13, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.4 μg/m3 (5) 4.0 μg/m3 (17) 17.0
 
Jan. 13, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.7 μg/m3 (18) 6.0 μg/m3 (25) 25.0
 
Jan. 13, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.1 μg/m3 (14) 6.0 μg/m3 (25) 25.0
 
Jan. 13, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 29.6 μg/m3 (28) 9.0 μg/m3 (38) 38.0
 
Jan. 13, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 37.9 μg/m3 (36) 8.0 μg/m3 (34) 36.0
 
Jan. 13, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.8 μg/m3 (20) 9.0 μg/m3 (38) 38.0
 
Jan. 13, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.4 μg/m3 (18) 8.0 μg/m3 (34) 34.0
 
Jan. 13, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.4 μg/m3 (18) 11.0 μg/m3 (46) 46.0
 
Jan. 13, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 23.0 μg/m3 (22) 12.0 μg/m3 (50) 50.0
 
Jan. 13, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 22.0 μg/m3 (21) 9.0 μg/m3 (38) 38.0
 
Jan. 13, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 29.4 μg/m3 (28) 8.0 μg/m3 (34) 34.0
 
Jan. 13, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.5 μg/m3 (18) 5.0 μg/m3 (21) 21.0
 
Jan. 13, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.8 μg/m3 (19) 6.0 μg/m3 (25) 25.0
 
Jan. 13, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.6 μg/m3 (17) 7.0 μg/m3 (30) 30.0
 
Jan. 13, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.9 μg/m3 (17) 10.0 μg/m3 (42) 42.0
 
Jan. 13, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.2 μg/m3 (18) 10.0 μg/m3 (42) 42.0
 
Jan. 13, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.4 μg/m3 (12) 8.0 μg/m3 (34) 34.0
 
Jan. 13, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.2 μg/m3 (15) 12.0 μg/m3 (50) 50.0
 
Jan. 13, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.1 μg/m3 (17) 4.0 μg/m3 (17) 17.0
 
Jan. 13, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.1 μg/m3 (11) 6.0 μg/m3 (25) 25.0
 
Jan. 13, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A 13.6 μg/m3 (13) 6.0 μg/m3 (25) 25.0
 
Jan. 12, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.5 μg/m3 (10) 3.0 μg/m3 (13) 13.0
 
Jan. 12, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.3 μg/m3 (16) 4.0 μg/m3 (17) 17.0
 
Jan. 12, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.2 μg/m3 (12) 4.0 μg/m3 (17) 17.0
 
Jan. 12, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (13) 4.0 μg/m3 (17) 17.0
 
Jan. 12, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (10) 3.0 μg/m3 (13) 13.0
 
Jan. 12, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 1.6 μg/m3 (2) 1.0 μg/m3 (5) 5.0
 
Jan. 12, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.2 μg/m3 (4) 1.0 μg/m3 (5) 5.0
 
Jan. 12, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.3 μg/m3 (6) 3.0 μg/m3 (13) 13.0
 
Jan. 12, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.1 μg/m3 (5) -1.0 μg/m3 (0) 5.0
 
Jan. 12, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 2.7 μg/m3 (3) 0.0 μg/m3 (0) 3.0
 
Jan. 12, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 2.6 μg/m3 (3) 4.0 μg/m3 (17) 17.0
 
Jan. 12, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 3.5 μg/m3 (4) 4.0 μg/m3 (17) 17.0
 
Jan. 12, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (3) 1.0 μg/m3 (5) 5.0
 
Jan. 12, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 1.7 μg/m3 (2) 2.0 μg/m3 (9) 9.0
 
Jan. 12, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 2.9 μg/m3 (3) 5.0 μg/m3 (21) 21.0
 
Jan. 12, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 3.1 μg/m3 (3) 8.0 μg/m3 (34) 34.0
 
Jan. 12, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.2 μg/m3 (5) 6.0 μg/m3 (25) 25.0
 
Jan. 12, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.8 μg/m3 (7) 4.0 μg/m3 (17) 17.0
 
Jan. 12, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.3 μg/m3 (6) 6.0 μg/m3 (25) 25.0
 
Jan. 12, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.6 μg/m3 (9) 8.0 μg/m3 (34) 34.0
 
Jan. 12, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.5 μg/m3 (11) 2.0 μg/m3 (9) 11.0
 
Jan. 12, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.5 μg/m3 (7) 2.0 μg/m3 (9) 9.0
 
Jan. 12, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (10) 6.0 μg/m3 (25) 25.0
 
Jan. 12, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A 22.9 μg/m3 (22) 11.0 μg/m3 (46) 46.0
 
Jan. 11, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.9 μg/m3 (16) 8.0 μg/m3 (34) 34.0
 
Jan. 11, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.1 μg/m3 (15) 6.0 μg/m3 (25) 25.0
 
Jan. 11, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 22.9 μg/m3 (22) 7.0 μg/m3 (30) 30.0
 
Jan. 11, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.7 μg/m3 (14) 6.0 μg/m3 (25) 25.0
 
Jan. 11, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 26.4 μg/m3 (25) 9.0 μg/m3 (38) 38.0
 
Jan. 11, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.2 μg/m3 (13) 5.0 μg/m3 (21) 21.0
 
Jan. 11, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 32.9 μg/m3 (31) 5.0 μg/m3 (21) 31.0
 
Jan. 11, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 37.3 μg/m3 (35) 6.0 μg/m3 (25) 35.0
 
Jan. 11, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.4 μg/m3 (7) 2.0 μg/m3 (9) 9.0
 
Jan. 11, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.7 μg/m3 (9) 3.0 μg/m3 (13) 13.0
 
Jan. 11, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (12) 5.0 μg/m3 (21) 21.0
 
Jan. 11, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 7.9 μg/m3 (8) 4.0 μg/m3 (17) 17.0
 
Jan. 11, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.6 μg/m3 (13) 6.0 μg/m3 (25) 25.0
 
Jan. 11, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.5 μg/m3 (9) 9.0 μg/m3 (38) 38.0
 
Jan. 11, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.9 μg/m3 (15) 8.0 μg/m3 (34) 34.0
 
Jan. 11, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.7 μg/m3 (15) 8.0 μg/m3 (34) 34.0
 
Jan. 11, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.9 μg/m3 (19) 8.0 μg/m3 (34) 34.0
 
Jan. 11, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.2 μg/m3 (17) 11.0 μg/m3 (46) 46.0
 
Jan. 11, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.5 μg/m3 (10) 7.0 μg/m3 (30) 30.0
 
Jan. 11, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
Jan. 11, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.9 μg/m3 (13) 3.0 μg/m3 (13) 13.0
 
Jan. 11, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.2 μg/m3 (19) 7.0 μg/m3 (30) 30.0
 
Jan. 11, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 22.7 μg/m3 (22) 9.0 μg/m3 (38) 38.0
 
Jan. 11, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A 23.3 μg/m3 (22) 10.0 μg/m3 (42) 42.0
 
Jan. 10, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.3 μg/m3 (15) 6.0 μg/m3 (25) 25.0
 
Jan. 10, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.1 μg/m3 (13) 6.0 μg/m3 (25) 25.0
 
Jan. 10, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (13) 6.0 μg/m3 (25) 25.0
 
Jan. 10, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.6 μg/m3 (17) 5.0 μg/m3 (21) 21.0
 
Jan. 10, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 2.6 μg/m3 (3) 3.0 μg/m3 (13) 13.0
 
Jan. 10, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.6 μg/m3 (5) 4.0 μg/m3 (17) 17.0
 
Jan. 10, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.7 μg/m3 (7) 6.0 μg/m3 (25) 25.0
 
Jan. 10, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.3 μg/m3 (7) 3.0 μg/m3 (13) 13.0
 
Jan. 10, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (12) 2.0 μg/m3 (9) 12.0
 
Jan. 10, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (6) 3.0 μg/m3 (13) 13.0
 
Jan. 10, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (4) 2.0 μg/m3 (9) 9.0
 
Jan. 10, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 7.1 μg/m3 (7) 3.0 μg/m3 (13) 13.0
 
Jan. 10, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.5 μg/m3 (8) 5.0 μg/m3 (21) 21.0
 
Jan. 10, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.4 μg/m3 (8) 4.0 μg/m3 (17) 17.0
 
Jan. 10, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.4 μg/m3 (11) 6.0 μg/m3 (25) 25.0
 
Jan. 10, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.5 μg/m3 (14) 3.0 μg/m3 (13) 14.0
 
Jan. 10, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.7 μg/m3 (5) 5.0 μg/m3 (21) 21.0
 
Jan. 10, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.3 μg/m3 (7) 6.0 μg/m3 (25) 25.0
 
Jan. 10, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (6) 6.0 μg/m3 (25) 25.0
 
Jan. 10, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.9 μg/m3 (7) 4.0 μg/m3 (17) 17.0
 
Jan. 10, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.3 μg/m3 (7) 5.0 μg/m3 (21) 21.0
 
Jan. 10, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (7) 5.0 μg/m3 (21) 21.0
 
Jan. 10, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.1 μg/m3 (8) 6.0 μg/m3 (25) 25.0
 
Jan. 10, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A 9.1 μg/m3 (9) 5.0 μg/m3 (21) 21.0
 
Jan. 9, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.8 μg/m3 (9) 4.0 μg/m3 (17) 17.0
 
Jan. 9, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.2 μg/m3 (7) 5.0 μg/m3 (21) 21.0
 
Jan. 9, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.1 μg/m3 (7) 2.0 μg/m3 (9) 9.0
 
Jan. 9, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.7 μg/m3 (9) 2.0 μg/m3 (9) 9.0
 
Jan. 9, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.6 μg/m3 (6) 4.0 μg/m3 (17) 17.0
 
Jan. 9, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.9 μg/m3 (6) 1.0 μg/m3 (5) 6.0
 
Jan. 9, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.5 μg/m3 (5) 4.0 μg/m3 (17) 17.0
 
Jan. 9, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.6 μg/m3 (7) 4.0 μg/m3 (17) 17.0
 
Jan. 9, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.5 μg/m3 (6) 3.0 μg/m3 (13) 13.0
 
Jan. 9, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 1.9 μg/m3 (2) 1.0 μg/m3 (5) 5.0
 
Jan. 9, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 3.4 μg/m3 (4) 0.0 μg/m3 (0) 4.0
 
Jan. 9, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 2.9 μg/m3 (3) 2.0 μg/m3 (9) 9.0
 
Jan. 9, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.5 μg/m3 (5) 5.0 μg/m3 (21) 21.0
 
Jan. 9, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.9 μg/m3 (6) 5.0 μg/m3 (21) 21.0
 
Jan. 9, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.2 μg/m3 (8) 9.0 μg/m3 (38) 38.0
 
Jan. 9, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.9 μg/m3 (12) 9.0 μg/m3 (38) 38.0
 
Jan. 9, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.4 μg/m3 (15) 11.0 μg/m3 (46) 46.0
 
Jan. 9, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.4 μg/m3 (19) 9.0 μg/m3 (38) 38.0
 
Jan. 9, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.6 μg/m3 (16) 8.0 μg/m3 (34) 34.0
 
Jan. 9, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.6 μg/m3 (17) 7.0 μg/m3 (30) 30.0
 
Jan. 9, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.4 μg/m3 (16) 3.0 μg/m3 (13) 16.0
 
Jan. 9, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.1 μg/m3 (18) 3.0 μg/m3 (13) 18.0
 
Jan. 9, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.4 μg/m3 (15) 2.0 μg/m3 (9) 15.0
 
Jan. 9, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A 12.5 μg/m3 (12) 4.0 μg/m3 (17) 17.0
 
Jan. 8, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.7 μg/m3 (13) 7.0 μg/m3 (30) 30.0
 
Jan. 8, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (12) 6.0 μg/m3 (25) 25.0
 
Jan. 8, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.6 μg/m3 (13) 7.0 μg/m3 (30) 30.0
 
Jan. 8, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.2 μg/m3 (11) 4.0 μg/m3 (17) 17.0
 
Jan. 8, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.8 μg/m3 (5) 3.0 μg/m3 (13) 13.0
 
Jan. 8, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.6 μg/m3 (6) 1.0 μg/m3 (5) 6.0
 
Jan. 8, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.2 μg/m3 (7) 2.0 μg/m3 (9) 9.0
 
Jan. 8, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.4 μg/m3 (5) 2.0 μg/m3 (9) 9.0
 
Jan. 8, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.4 μg/m3 (5) 1.0 μg/m3 (5) 5.0
 
Jan. 8, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (16) 4.0 μg/m3 (17) 17.0
 
Jan. 8, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.1 μg/m3 (16) 7.0 μg/m3 (30) 30.0
 
Jan. 8, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 23.7 μg/m3 (22) 11.0 μg/m3 (46) 46.0
 
Jan. 8, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 29.6 μg/m3 (28) 11.0 μg/m3 (46) 46.0
 
Jan. 8, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 23.1 μg/m3 (22) 8.0 μg/m3 (34) 34.0
 
Jan. 8, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.2 μg/m3 (15) 11.0 μg/m3 (46) 46.0
 
Jan. 8, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.1 μg/m3 (14) 7.0 μg/m3 (30) 30.0
 
Jan. 8, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.3 μg/m3 (14) 5.0 μg/m3 (21) 21.0
 
Jan. 8, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (16) 8.0 μg/m3 (34) 34.0
 
Jan. 8, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.2 μg/m3 (19) 9.0 μg/m3 (38) 38.0
 
Jan. 8, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.9 μg/m3 (12) 9.0 μg/m3 (38) 38.0
 
Jan. 8, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.2 μg/m3 (11) 4.0 μg/m3 (17) 17.0
 
Jan. 8, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.2 μg/m3 (12) 5.0 μg/m3 (21) 21.0
 
Jan. 8, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 21.5 μg/m3 (20) 8.0 μg/m3 (34) 34.0
 
Jan. 8, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A 10.7 μg/m3 (10) 9.0 μg/m3 (38) 38.0
 
Jan. 7, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.3 μg/m3 (11) 6.0 μg/m3 (25) 25.0
 
Jan. 7, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.7 μg/m3 (9) 4.0 μg/m3 (17) 17.0
 
Jan. 7, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.4 μg/m3 (6) 1.0 μg/m3 (5) 6.0
 
Jan. 7, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.4 μg/m3 (9) 3.0 μg/m3 (13) 13.0
 
Jan. 7, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.2 μg/m3 (8) -1.0 μg/m3 (0) 8.0
 
Jan. 7, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.4 μg/m3 (8) 0.0 μg/m3 (0) 8.0
 
Jan. 7, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.3 μg/m3 (6) 4.0 μg/m3 (17) 17.0
 
Jan. 7, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.3 μg/m3 (17) 4.0 μg/m3 (17) 17.0
 
Jan. 7, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.6 μg/m3 (8) 3.0 μg/m3 (13) 13.0
 
Jan. 7, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.2 μg/m3 (5) 3.0 μg/m3 (13) 13.0
 
Jan. 7, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 3.9 μg/m3 (4) 5.0 μg/m3 (21) 21.0
 
Jan. 7, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 6.3 μg/m3 (6) 7.0 μg/m3 (30) 30.0
 
Jan. 7, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.9 μg/m3 (6) 5.0 μg/m3 (21) 21.0
 
Jan. 7, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.8 μg/m3 (10) 6.0 μg/m3 (25) 25.0
 
Jan. 7, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A 15.8 μg/m3 (15) 6.0 μg/m3 (25) 30.0
 
Jan. 7, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A 13.8 μg/m3 (13) 3.0 μg/m3 (13) 28.0
 
Jan. 7, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A 18.3 μg/m3 (17) 2.0 μg/m3 (9) 28.0
 
Jan. 7, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A 11.7 μg/m3 (11) 5.0 μg/m3 (21) 30.0
 
Jan. 7, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A 14.4 μg/m3 (14) 8.0 μg/m3 (34) 34.0
 
Jan. 7, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A 21.2 μg/m3 (20) 8.0 μg/m3 (34) 34.0
 
Jan. 7, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A 18.9 μg/m3 (18) 6.0 μg/m3 (25) 30.0
 
Jan. 7, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A 15.0 μg/m3 (14) 4.0 μg/m3 (17) 31.0