ID: 1115

AQSQID: 060831008

Site Name: Santa Maria - Broadway

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

Updated: July 15, 2020, 11:35 a.m.

Location: Santa Maria (N Santa Maria), CA

Reporting: True, Located: True

Current AQI: 21.0

Santa Maria (N Santa Maria) CA, US: 34.942872, -120.435611

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
July 15, 2020, 10 a.m. 1.7 ppb (2) 0.6 ppb (1) N/A 1.0 ppb (1) N/A N/A 25.0 ppb (19) 0.09 ppb (1) 8.0 μg/m3 (7) 5.0 μg/m3 (21) 21.0
 
July 15, 2020, 9 a.m. 1.3 ppb (1) 0.5 ppb (0) N/A 1.0 ppb (1) N/A N/A 26.0 ppb (20) 0.09 ppb (1) 8.0 μg/m3 (7) 4.0 μg/m3 (17) 20.0
 
July 15, 2020, 8 a.m. 1.5 ppb (1) 0.5 ppb (0) N/A 1.0 ppb (1) N/A N/A 25.0 ppb (19) 0.09 ppb (1) 12.0 μg/m3 (11) 5.0 μg/m3 (21) 21.0
 
July 15, 2020, 7 a.m. 1.1 ppb (1) 0.4 ppb (0) N/A 1.0 ppb (1) N/A N/A 26.0 ppb (20) 0.09 ppb (1) 8.0 μg/m3 (7) 6.0 μg/m3 (25) 25.0
 
July 15, 2020, 6 a.m. 0.9 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A 27.0 ppb (21) 0.09 ppb (1) 6.0 μg/m3 (5) 1.0 μg/m3 (4) 21.0
 
July 15, 2020, 5 a.m. 1.5 ppb (1) 0.7 ppb (1) N/A 1.0 ppb (1) N/A N/A 28.0 ppb (22) 0.1 ppb (1) 7.0 μg/m3 (6) 3.0 μg/m3 (12) 22.0
 
July 15, 2020, 4 a.m. 2.8 ppb (3) 1.3 ppb (1) N/A 2.0 ppb (2) N/A N/A 26.0 ppb (20) 0.12 ppb (1) 10.0 μg/m3 (9) 5.0 μg/m3 (21) 21.0
 
July 15, 2020, 3 a.m. 3.3 ppb (3) 1.4 ppb (1) N/A 2.0 ppb (2) N/A N/A 26.0 ppb (20) 0.12 ppb (1) 12.0 μg/m3 (11) 4.0 μg/m3 (17) 20.0
 
July 15, 2020, 2 a.m. 4.0 ppb (4) 1.7 ppb (2) N/A 2.0 ppb (2) N/A N/A 27.0 ppb (21) 0.13 ppb (1) 14.0 μg/m3 (13) 4.0 μg/m3 (17) 21.0
 
July 15, 2020, 1 a.m. 3.3 ppb (3) 1.8 ppb (2) N/A 2.0 ppb (2) N/A N/A 28.0 ppb (22) 0.1 ppb (1) 11.0 μg/m3 (10) 4.0 μg/m3 (17) 22.0
 
July 15, 2020, midnight 4.0 ppb (4) 2.2 ppb (2) N/A 2.0 ppb (2) N/A N/A 27.0 ppb (21) 0.11 ppb (1) 13.0 μg/m3 (12) 2.0 μg/m3 (8) 21.0
 
July 14, 2020, 11 p.m. 4.8 ppb (4) 2.6 ppb (2) N/A 2.0 ppb (2) N/A N/A 27.0 ppb (21) 0.11 ppb (1) 9.0 μg/m3 (8) 2.0 μg/m3 (8) 21.0
 
July 14, 2020, 10 p.m. 4.4 ppb (4) 2.2 ppb (2) N/A 2.0 ppb (2) N/A N/A 27.0 ppb (21) 0.11 ppb (1) 15.0 μg/m3 (14) 2.0 μg/m3 (8) 21.0
 
July 14, 2020, 9 p.m. 3.5 ppb (3) 1.7 ppb (2) N/A 2.0 ppb (2) N/A N/A 29.0 ppb (22) 0.11 ppb (1) 16.0 μg/m3 (15) 2.0 μg/m3 (8) 22.0
 
July 14, 2020, 8 p.m. 3.3 ppb (3) 1.5 ppb (1) N/A 2.0 ppb (2) N/A N/A 29.0 ppb (22) 0.12 ppb (1) 16.0 μg/m3 (15) 2.0 μg/m3 (8) 22.0
 
July 14, 2020, 7 p.m. 3.5 ppb (3) 1.6 ppb (1) N/A 2.0 ppb (2) N/A N/A 28.0 ppb (22) 0.12 ppb (1) 17.0 μg/m3 (15) 2.0 μg/m3 (8) 22.0
 
July 14, 2020, 6 p.m. 4.1 ppb (4) 1.9 ppb (2) N/A 2.0 ppb (2) N/A N/A 27.0 ppb (21) 0.11 ppb (1) 12.0 μg/m3 (11) 2.0 μg/m3 (8) 21.0
 
July 14, 2020, 5 p.m. 4.2 ppb (4) 1.7 ppb (2) N/A 3.0 ppb (3) N/A N/A 25.0 ppb (19) 0.11 ppb (1) 10.0 μg/m3 (9) 3.0 μg/m3 (12) 19.0
 
July 14, 2020, 4 p.m. 3.7 ppb (3) 1.2 ppb (1) N/A 2.0 ppb (2) N/A N/A 23.0 ppb (18) 0.12 ppb (1) 8.0 μg/m3 (7) 3.0 μg/m3 (12) 18.0
 
July 14, 2020, 3 p.m. 3.9 ppb (4) 1.2 ppb (1) N/A 3.0 ppb (3) N/A N/A 22.0 ppb (17) 0.1 ppb (1) 10.0 μg/m3 (9) -1.0 μg/m3 (0) 17.0
 
July 14, 2020, 2 p.m. 3.0 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A N/A 22.0 ppb (17) 0.1 ppb (1) 7.0 μg/m3 (6) 2.0 μg/m3 (8) 17.0
 
July 14, 2020, 1 p.m. 3.8 ppb (4) 1.8 ppb (2) N/A 2.0 ppb (2) N/A N/A 23.0 ppb (18) 0.12 ppb (1) 9.0 μg/m3 (8) 5.0 μg/m3 (21) 21.0
 
July 14, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (5) 4.0 μg/m3 (17) 17.0
 
July 14, 2020, 11 a.m. 1.8 ppb (2) 0.7 ppb (1) N/A 1.0 ppb (1) N/A N/A 23.0 ppb (18) 0.09 ppb (1) 6.0 μg/m3 (5) 3.0 μg/m3 (12) 18.0
 
July 14, 2020, 10 a.m. 1.3 ppb (1) 0.5 ppb (0) N/A 1.0 ppb (1) N/A N/A 22.0 ppb (17) 0.09 ppb (1) 10.0 μg/m3 (9) 5.0 μg/m3 (21) 21.0
 
July 14, 2020, 9 a.m. 1.3 ppb (1) 0.6 ppb (1) N/A 1.0 ppb (1) N/A N/A 23.0 ppb (18) 0.09 ppb (1) 15.0 μg/m3 (14) 9.0 μg/m3 (38) 38.0
 
July 14, 2020, 8 a.m. 1.1 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A 23.0 ppb (18) 0.09 ppb (1) 24.0 μg/m3 (22) 8.0 μg/m3 (33) 33.0
 
July 14, 2020, 7 a.m. 1.2 ppb (1) 0.6 ppb (1) N/A 1.0 ppb (1) N/A N/A 24.0 ppb (18) 0.08 ppb (1) 22.0 μg/m3 (20) 7.0 μg/m3 (29) 29.0
 
July 14, 2020, 6 a.m. 1.0 ppb (1) 0.4 ppb (0) N/A 1.0 ppb (1) N/A N/A 25.0 ppb (19) 0.09 ppb (1) 20.0 μg/m3 (18) 8.0 μg/m3 (33) 33.0
 
July 14, 2020, 5 a.m. 1.6 ppb (1) 0.7 ppb (1) N/A 1.0 ppb (1) N/A N/A 24.0 ppb (18) 0.09 ppb (1) 20.0 μg/m3 (18) 11.0 μg/m3 (46) 46.0
 
July 14, 2020, 4 a.m. 2.3 ppb (2) 1.1 ppb (1) N/A 1.0 ppb (1) N/A N/A 25.0 ppb (19) 0.1 ppb (1) 18.0 μg/m3 (16) 8.0 μg/m3 (33) 33.0
 
July 14, 2020, 3 a.m. 3.5 ppb (3) 1.7 ppb (2) N/A 2.0 ppb (2) N/A N/A 24.0 ppb (18) 0.11 ppb (1) 28.0 μg/m3 (25) 7.0 μg/m3 (29) 29.0
 
July 14, 2020, 2 a.m. 4.5 ppb (4) 2.3 ppb (2) N/A 2.0 ppb (2) N/A N/A 25.0 ppb (19) 0.13 ppb (1) 28.0 μg/m3 (25) 8.0 μg/m3 (33) 33.0
 
July 14, 2020, 1 a.m. 3.5 ppb (3) 1.8 ppb (2) N/A 2.0 ppb (2) N/A N/A 26.0 ppb (20) 0.11 ppb (1) 28.0 μg/m3 (25) 8.0 μg/m3 (33) 33.0
 
July 14, 2020, midnight 4.9 ppb (5) 3.0 ppb (3) N/A 2.0 ppb (2) N/A N/A 26.0 ppb (20) 0.12 ppb (1) 25.0 μg/m3 (23) 8.0 μg/m3 (33) 33.0
 
July 13, 2020, 11 p.m. 4.5 ppb (4) 2.4 ppb (2) N/A 2.0 ppb (2) N/A N/A 26.0 ppb (20) 0.12 ppb (1) 36.0 μg/m3 (33) 11.0 μg/m3 (46) 46.0
 
July 13, 2020, 10 p.m. 4.4 ppb (4) 2.3 ppb (2) N/A 2.0 ppb (2) N/A N/A 28.0 ppb (22) 0.11 ppb (1) 34.0 μg/m3 (31) 10.0 μg/m3 (42) 42.0
 
July 13, 2020, 9 p.m. 3.9 ppb (4) 2.0 ppb (2) N/A 2.0 ppb (2) N/A N/A 31.0 ppb (24) 0.11 ppb (1) 31.0 μg/m3 (28) 8.0 μg/m3 (33) 33.0
 
July 13, 2020, 8 p.m. 3.2 ppb (3) 1.2 ppb (1) N/A 2.0 ppb (2) N/A N/A 31.0 ppb (24) 0.1 ppb (1) 32.0 μg/m3 (29) 8.0 μg/m3 (33) 33.0
 
July 13, 2020, 7 p.m. 4.5 ppb (4) 2.5 ppb (2) N/A 2.0 ppb (2) N/A N/A 23.0 ppb (18) 0.1 ppb (1) 27.0 μg/m3 (25) 5.0 μg/m3 (21) 25.0
 
July 13, 2020, 6 p.m. 5.3 ppb (5) 2.5 ppb (2) N/A 3.0 ppb (3) N/A N/A 20.0 ppb (15) 0.11 ppb (1) 37.0 μg/m3 (34) N/A 34.0
 
July 13, 2020, 5 p.m. 5.3 ppb (5) 2.8 ppb (3) N/A 3.0 ppb (3) N/A N/A 17.0 ppb (13) 0.1 ppb (1) 20.0 μg/m3 (18) 6.0 μg/m3 (25) 25.0
 
July 13, 2020, 4 p.m. 3.8 ppb (4) 2.2 ppb (2) N/A 2.0 ppb (2) N/A N/A 15.0 ppb (12) 0.12 ppb (1) 16.0 μg/m3 (15) 6.0 μg/m3 (25) 25.0
 
July 13, 2020, 3 p.m. 3.7 ppb (3) 1.8 ppb (2) N/A 2.0 ppb (2) N/A N/A 14.0 ppb (11) 0.1 ppb (1) 9.0 μg/m3 (8) 6.0 μg/m3 (25) 25.0
 
July 13, 2020, 2 p.m. 3.1 ppb (3) 1.1 ppb (1) N/A 2.0 ppb (2) N/A N/A 13.0 ppb (10) 0.1 ppb (1) 17.0 μg/m3 (15) 8.0 μg/m3 (33) 33.0
 
July 13, 2020, 1 p.m. 1.8 ppb (2) 0.6 ppb (1) N/A 1.0 ppb (1) N/A N/A 15.0 ppb (12) 0.1 ppb (1) 9.0 μg/m3 (8) 8.0 μg/m3 (33) 33.0
 
July 13, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 21.0 μg/m3 (19) 8.0 μg/m3 (33) 33.0
 
July 13, 2020, 11 a.m. 0.8 ppb (1) 0.4 ppb (0) N/A 1.0 ppb (1) N/A N/A 19.0 ppb (15) 0.07 ppb (1) 16.0 μg/m3 (15) 7.0 μg/m3 (29) 29.0
 
July 13, 2020, 10 a.m. 1.5 ppb (1) 0.7 ppb (1) N/A 1.0 ppb (1) N/A N/A 19.0 ppb (15) 0.08 ppb (1) 22.0 μg/m3 (20) 7.0 μg/m3 (29) 29.0
 
July 13, 2020, 9 a.m. 2.0 ppb (2) 0.7 ppb (1) N/A 1.0 ppb (1) N/A N/A 19.0 ppb (15) 0.09 ppb (1) 23.0 μg/m3 (21) 10.0 μg/m3 (42) 42.0
 
July 13, 2020, 8 a.m. 2.1 ppb (2) 0.6 ppb (1) N/A 1.0 ppb (1) N/A N/A 21.0 ppb (16) 0.09 ppb (1) 29.0 μg/m3 (26) 11.0 μg/m3 (46) 46.0
 
July 13, 2020, 7 a.m. 1.9 ppb (2) 0.9 ppb (1) N/A 1.0 ppb (1) N/A N/A 22.0 ppb (17) 0.12 ppb (1) 25.0 μg/m3 (23) 9.0 μg/m3 (38) 38.0
 
July 13, 2020, 6 a.m. 2.5 ppb (2) 0.9 ppb (1) N/A 2.0 ppb (2) N/A N/A 22.0 ppb (17) 0.1 ppb (1) 33.0 μg/m3 (30) 11.0 μg/m3 (46) 46.0
 
July 13, 2020, 5 a.m. 3.5 ppb (3) 1.6 ppb (1) N/A 2.0 ppb (2) N/A N/A 21.0 ppb (16) 0.11 ppb (1) 33.0 μg/m3 (30) 8.0 μg/m3 (33) 33.0
 
July 13, 2020, 4 a.m. 3.0 ppb (3) 1.5 ppb (1) N/A 2.0 ppb (2) N/A N/A 22.0 ppb (17) 0.11 ppb (1) 36.0 μg/m3 (33) 15.0 μg/m3 (56) 56.0
 
July 13, 2020, 3 a.m. 3.4 ppb (3) 1.5 ppb (1) N/A 2.0 ppb (2) N/A N/A 24.0 ppb (18) 0.11 ppb (1) 39.0 μg/m3 (35) 15.0 μg/m3 (56) 56.0
 
July 13, 2020, 2 a.m. 4.1 ppb (4) 2.2 ppb (2) N/A 2.0 ppb (2) N/A N/A 24.0 ppb (18) 0.12 ppb (1) 34.0 μg/m3 (31) 12.0 μg/m3 (50) 50.0
 
July 13, 2020, 1 a.m. 3.7 ppb (3) 2.0 ppb (2) N/A 2.0 ppb (2) N/A N/A 24.0 ppb (18) 0.11 ppb (1) 32.0 μg/m3 (29) 10.0 μg/m3 (42) 42.0
 
July 13, 2020, midnight 3.2 ppb (3) 1.7 ppb (2) N/A 2.0 ppb (2) N/A N/A 25.0 ppb (19) 0.11 ppb (1) 32.0 μg/m3 (29) 12.0 μg/m3 (50) 50.0
 
July 12, 2020, 11 p.m. 4.2 ppb (4) 2.1 ppb (2) N/A 2.0 ppb (2) N/A N/A 27.0 ppb (21) 0.12 ppb (1) 34.0 μg/m3 (31) 14.0 μg/m3 (54) 54.0
 
July 12, 2020, 10 p.m. 5.0 ppb (5) 2.6 ppb (2) N/A 2.0 ppb (2) N/A N/A 26.0 ppb (20) 0.11 ppb (1) 35.0 μg/m3 (32) 11.0 μg/m3 (46) 46.0
 
July 12, 2020, 9 p.m. 3.7 ppb (3) 1.8 ppb (2) N/A 2.0 ppb (2) N/A N/A 28.0 ppb (22) 0.12 ppb (1) 41.0 μg/m3 (37) 14.0 μg/m3 (54) 54.0
 
July 12, 2020, 8 p.m. 4.1 ppb (4) 1.8 ppb (2) N/A 2.0 ppb (2) N/A N/A 28.0 ppb (22) 0.11 ppb (1) 37.0 μg/m3 (34) 14.0 μg/m3 (54) 54.0
 
July 12, 2020, 7 p.m. 3.2 ppb (3) 1.3 ppb (1) N/A 2.0 ppb (2) N/A N/A 27.0 ppb (21) 0.11 ppb (1) 41.0 μg/m3 (37) 15.0 μg/m3 (56) 56.0
 
July 12, 2020, 6 p.m. 5.2 ppb (5) 2.5 ppb (2) N/A 3.0 ppb (3) N/A N/A 27.0 ppb (21) 0.12 ppb (1) 39.0 μg/m3 (35) 13.0 μg/m3 (52) 52.0
 
July 12, 2020, 5 p.m. 4.8 ppb (4) 2.1 ppb (2) N/A 3.0 ppb (3) N/A N/A 25.0 ppb (19) 0.14 ppb (2) 32.0 μg/m3 (29) 16.0 μg/m3 (59) 59.0
 
July 12, 2020, 4 p.m. 6.8 ppb (6) 3.1 ppb (3) N/A 4.0 ppb (4) N/A N/A 21.0 ppb (16) 0.15 ppb (2) 37.0 μg/m3 (34) 14.0 μg/m3 (54) 54.0
 
July 12, 2020, 3 p.m. 6.2 ppb (6) 2.7 ppb (3) N/A 4.0 ppb (4) N/A N/A 20.0 ppb (15) 0.15 ppb (2) 33.0 μg/m3 (30) 13.0 μg/m3 (52) 52.0
 
July 12, 2020, 2 p.m. 4.2 ppb (4) 1.6 ppb (1) N/A 3.0 ppb (3) N/A N/A 20.0 ppb (15) 0.12 ppb (1) 29.0 μg/m3 (26) 9.0 μg/m3 (38) 38.0
 
July 12, 2020, 1 p.m. 2.6 ppb (2) 0.6 ppb (1) N/A 2.0 ppb (2) N/A N/A 20.0 ppb (15) 0.12 ppb (1) 26.0 μg/m3 (24) 7.0 μg/m3 (29) 29.0
 
July 12, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 32.0 μg/m3 (29) 10.0 μg/m3 (42) 42.0
 
July 12, 2020, 11 a.m. 2.6 ppb (2) 0.6 ppb (1) N/A 2.0 ppb (2) N/A N/A 18.0 ppb (14) 0.08 ppb (1) 25.0 μg/m3 (23) 8.0 μg/m3 (33) 33.0
 
July 12, 2020, 10 a.m. 2.2 ppb (2) 0.6 ppb (1) N/A 2.0 ppb (2) N/A N/A 18.0 ppb (14) 0.08 ppb (1) 28.0 μg/m3 (25) 7.0 μg/m3 (29) 29.0
 
July 12, 2020, 9 a.m. 3.4 ppb (3) 0.6 ppb (1) N/A 3.0 ppb (3) N/A N/A 16.0 ppb (12) 0.08 ppb (1) 28.0 μg/m3 (25) 8.0 μg/m3 (33) 33.0
 
July 12, 2020, 8 a.m. 2.9 ppb (3) 0.7 ppb (1) N/A 2.0 ppb (2) N/A N/A 19.0 ppb (15) 0.1 ppb (1) 29.0 μg/m3 (26) 12.0 μg/m3 (50) 50.0
 
July 12, 2020, 7 a.m. 5.9 ppb (5) 1.1 ppb (1) N/A 5.0 ppb (5) N/A N/A 16.0 ppb (12) 0.12 ppb (1) 34.0 μg/m3 (31) 8.0 μg/m3 (33) 33.0
 
July 12, 2020, 6 a.m. 5.7 ppb (5) 0.9 ppb (1) N/A 5.0 ppb (5) N/A N/A 17.0 ppb (13) 0.1 ppb (1) 30.0 μg/m3 (27) 12.0 μg/m3 (50) 50.0
 
July 12, 2020, 5 a.m. 4.5 ppb (4) 1.2 ppb (1) N/A 3.0 ppb (3) N/A N/A 19.0 ppb (15) 0.1 ppb (1) 31.0 μg/m3 (28) 13.0 μg/m3 (52) 52.0
 
July 12, 2020, 4 a.m. 6.0 ppb (6) 2.2 ppb (2) N/A 4.0 ppb (4) N/A N/A 21.0 ppb (16) 0.11 ppb (1) 31.0 μg/m3 (28) 12.0 μg/m3 (50) 50.0
 
July 12, 2020, 3 a.m. 5.6 ppb (5) 1.8 ppb (2) N/A 4.0 ppb (4) N/A N/A 23.0 ppb (18) 0.14 ppb (2) 30.0 μg/m3 (27) 10.0 μg/m3 (42) 42.0
 
July 12, 2020, 2 a.m. 3.8 ppb (4) 1.5 ppb (1) N/A 2.0 ppb (2) N/A N/A 23.0 ppb (18) 0.11 ppb (1) 30.0 μg/m3 (27) 10.0 μg/m3 (42) 42.0
 
July 12, 2020, 1 a.m. 4.7 ppb (4) 2.1 ppb (2) N/A 3.0 ppb (3) N/A N/A 26.0 ppb (20) 0.1 ppb (1) 33.0 μg/m3 (30) 9.0 μg/m3 (38) 38.0
 
July 12, 2020, midnight 4.6 ppb (4) 2.2 ppb (2) N/A 2.0 ppb (2) N/A N/A 29.0 ppb (22) 0.11 ppb (1) 29.0 μg/m3 (26) 13.0 μg/m3 (52) 52.0
 
July 11, 2020, 11 p.m. 3.7 ppb (3) 1.8 ppb (2) N/A 2.0 ppb (2) N/A N/A 30.0 ppb (23) 0.09 ppb (1) 25.0 μg/m3 (23) 9.0 μg/m3 (38) 38.0
 
July 11, 2020, 10 p.m. 4.1 ppb (4) 1.9 ppb (2) N/A 2.0 ppb (2) N/A N/A 28.0 ppb (22) 0.09 ppb (1) 29.0 μg/m3 (26) 8.0 μg/m3 (33) 33.0
 
July 11, 2020, 9 p.m. 4.2 ppb (4) 1.9 ppb (2) N/A 2.0 ppb (2) N/A N/A 25.0 ppb (19) 0.09 ppb (1) 31.0 μg/m3 (28) 7.0 μg/m3 (29) 29.0
 
July 11, 2020, 8 p.m. 4.2 ppb (4) 2.3 ppb (2) N/A 2.0 ppb (2) N/A N/A 24.0 ppb (18) 0.08 ppb (1) 29.0 μg/m3 (26) 6.0 μg/m3 (25) 26.0
 
July 11, 2020, 7 p.m. 4.3 ppb (4) 1.9 ppb (2) N/A 2.0 ppb (2) N/A N/A 22.0 ppb (17) 0.09 ppb (1) 32.0 μg/m3 (29) 5.0 μg/m3 (21) 29.0
 
July 11, 2020, 6 p.m. 5.7 ppb (5) 2.6 ppb (2) N/A 3.0 ppb (3) N/A N/A 23.0 ppb (18) 0.1 ppb (1) 33.0 μg/m3 (30) 6.0 μg/m3 (25) 30.0
 
July 11, 2020, 5 p.m. 7.3 ppb (7) 3.3 ppb (3) N/A 4.0 ppb (4) N/A N/A 21.0 ppb (16) 0.12 ppb (1) 35.0 μg/m3 (32) 7.0 μg/m3 (29) 32.0
 
July 11, 2020, 4 p.m. 14.3 ppb (13) 7.4 ppb (7) N/A 7.0 ppb (6) N/A N/A 13.0 ppb (10) 0.18 ppb (2) 41.0 μg/m3 (37) 7.0 μg/m3 (29) 37.0
 
July 11, 2020, 3 p.m. 16.5 ppb (15) 10.2 ppb (9) N/A 6.0 ppb (6) N/A N/A 6.0 ppb (5) 0.17 ppb (2) 23.0 μg/m3 (21) 6.0 μg/m3 (25) 25.0
 
July 11, 2020, 2 p.m. 17.6 ppb (16) 11.6 ppb (11) N/A 6.0 ppb (6) N/A N/A 3.0 ppb (2) 0.18 ppb (2) 21.0 μg/m3 (19) 7.0 μg/m3 (29) 29.0
 
July 11, 2020, 1 p.m. 17.3 ppb (16) 11.1 ppb (10) N/A 6.0 ppb (6) N/A N/A 1.0 ppb (1) 0.18 ppb (2) 12.0 μg/m3 (11) 5.0 μg/m3 (21) 21.0
 
July 11, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (15) 7.0 μg/m3 (29) 29.0
 
July 11, 2020, 11 a.m. 7.0 ppb (6) 1.2 ppb (1) N/A 6.0 ppb (6) N/A N/A 2.0 ppb (2) 0.09 ppb (1) 8.0 μg/m3 (7) 3.0 μg/m3 (12) 12.0
 
July 11, 2020, 10 a.m. 7.4 ppb (7) 1.2 ppb (1) N/A 6.0 ppb (6) N/A N/A 3.0 ppb (2) 0.07 ppb (1) 8.0 μg/m3 (7) 2.0 μg/m3 (8) 8.0
 
July 11, 2020, 9 a.m. 6.3 ppb (6) 0.9 ppb (1) N/A 5.0 ppb (5) N/A N/A 5.0 ppb (4) 0.08 ppb (1) 11.0 μg/m3 (10) 5.0 μg/m3 (21) 21.0
 
July 11, 2020, 8 a.m. 5.7 ppb (5) 0.5 ppb (0) N/A 5.0 ppb (5) N/A N/A 6.0 ppb (5) 0.07 ppb (1) 6.0 μg/m3 (5) 6.0 μg/m3 (25) 25.0
 
July 11, 2020, 7 a.m. 6.3 ppb (6) 1.5 ppb (1) N/A 5.0 ppb (5) N/A N/A 7.0 ppb (5) 0.08 ppb (1) 7.0 μg/m3 (6) 4.0 μg/m3 (17) 17.0
 
July 11, 2020, 6 a.m. 6.4 ppb (6) 1.4 ppb (1) N/A 5.0 ppb (5) N/A N/A 8.0 ppb (6) 0.11 ppb (1) 8.0 μg/m3 (7) 4.0 μg/m3 (17) 17.0
 
July 11, 2020, 5 a.m. 6.2 ppb (6) 2.1 ppb (2) N/A 4.0 ppb (4) N/A N/A 8.0 ppb (6) 0.1 ppb (1) 8.0 μg/m3 (7) 4.0 μg/m3 (17) 17.0
 
July 11, 2020, 4 a.m. 7.3 ppb (7) 3.2 ppb (3) N/A 4.0 ppb (4) N/A N/A 7.0 ppb (5) 0.12 ppb (1) 9.0 μg/m3 (8) 5.0 μg/m3 (21) 21.0
 
July 11, 2020, 3 a.m. 5.5 ppb (5) 2.3 ppb (2) N/A 3.0 ppb (3) N/A N/A 11.0 ppb (8) 0.1 ppb (1) 11.0 μg/m3 (10) 6.0 μg/m3 (25) 25.0
 
July 11, 2020, 2 a.m. 5.4 ppb (5) 3.2 ppb (3) N/A 2.0 ppb (2) N/A N/A 12.0 ppb (9) 0.1 ppb (1) 12.0 μg/m3 (11) 3.0 μg/m3 (12) 12.0
 
July 11, 2020, 1 a.m. 4.2 ppb (4) 2.5 ppb (2) N/A 2.0 ppb (2) N/A N/A 15.0 ppb (12) 0.09 ppb (1) 9.0 μg/m3 (8) 1.0 μg/m3 (4) 12.0
 
July 11, 2020, midnight 5.5 ppb (5) 3.3 ppb (3) N/A 2.0 ppb (2) N/A N/A 18.0 ppb (14) 0.1 ppb (1) 19.0 μg/m3 (17) 1.0 μg/m3 (4) 17.0
 
July 10, 2020, 11 p.m. 5.8 ppb (5) 2.9 ppb (3) N/A 3.0 ppb (3) N/A N/A 22.0 ppb (17) 0.1 ppb (1) 39.0 μg/m3 (35) 3.0 μg/m3 (12) 35.0
 
July 10, 2020, 10 p.m. 5.9 ppb (5) 2.6 ppb (2) N/A 3.0 ppb (3) N/A N/A 28.0 ppb (22) 0.11 ppb (1) 35.0 μg/m3 (32) 5.0 μg/m3 (21) 32.0
 
July 10, 2020, 9 p.m. 5.0 ppb (5) 2.3 ppb (2) N/A 3.0 ppb (3) N/A N/A 25.0 ppb (19) 0.11 ppb (1) 26.0 μg/m3 (24) 3.0 μg/m3 (12) 24.0
 
July 10, 2020, 8 p.m. 6.0 ppb (6) 3.0 ppb (3) N/A 3.0 ppb (3) N/A N/A 24.0 ppb (18) 0.12 ppb (1) 38.0 μg/m3 (35) 1.0 μg/m3 (4) 35.0
 
July 10, 2020, 7 p.m. 5.3 ppb (5) 2.6 ppb (2) N/A 3.0 ppb (3) N/A N/A 25.0 ppb (19) 0.11 ppb (1) 38.0 μg/m3 (35) 7.0 μg/m3 (29) 35.0
 
July 10, 2020, 6 p.m. 5.9 ppb (5) 2.7 ppb (3) N/A 3.0 ppb (3) N/A N/A 26.0 ppb (20) 0.1 ppb (1) 37.0 μg/m3 (34) 11.0 μg/m3 (46) 46.0
 
July 10, 2020, 5 p.m. 9.3 ppb (9) 4.0 ppb (4) N/A 5.0 ppb (5) N/A N/A 22.0 ppb (17) 0.14 ppb (2) 49.0 μg/m3 (45) 11.0 μg/m3 (46) 46.0
 
July 10, 2020, 4 p.m. 15.7 ppb (15) 7.2 ppb (7) N/A 9.0 ppb (8) N/A N/A 17.0 ppb (13) 0.2 ppb (2) 57.0 μg/m3 (51) 16.0 μg/m3 (59) 59.0
 
July 10, 2020, 3 p.m. 14.5 ppb (13) 7.5 ppb (7) N/A 7.0 ppb (6) N/A N/A 10.0 ppb (8) 0.16 ppb (2) 42.0 μg/m3 (38) 12.0 μg/m3 (50) 50.0
 
July 10, 2020, 2 p.m. 15.5 ppb (14) 8.8 ppb (8) N/A 7.0 ppb (6) N/A N/A 6.0 ppb (5) 0.15 ppb (2) 54.0 μg/m3 (49) 10.0 μg/m3 (42) 49.0
 
July 10, 2020, 1 p.m. 12.7 ppb (12) 4.8 ppb (4) N/A 8.0 ppb (7) N/A N/A 4.0 ppb (3) 0.21 ppb (2) 29.0 μg/m3 (26) 5.0 μg/m3 (21) 26.0
 
July 10, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 35.0 μg/m3 (32) 5.0 μg/m3 (21) 32.0
 
July 10, 2020, 11 a.m. 4.4 ppb (4) 1.0 ppb (1) N/A 4.0 ppb (4) N/A N/A 12.0 ppb (9) 0.09 ppb (1) 28.0 μg/m3 (25) 16.0 μg/m3 (59) 59.0
 
July 10, 2020, 10 a.m. 3.8 ppb (4) 0.8 ppb (1) N/A 3.0 ppb (3) N/A N/A 13.0 ppb (10) 0.09 ppb (1) 53.0 μg/m3 (48) 13.0 μg/m3 (52) 52.0
 
July 10, 2020, 9 a.m. 3.5 ppb (3) 0.6 ppb (1) N/A 3.0 ppb (3) N/A N/A 14.0 ppb (11) 0.08 ppb (1) 20.0 μg/m3 (18) 8.0 μg/m3 (33) 33.0
 
July 10, 2020, 8 a.m. 2.9 ppb (3) 0.4 ppb (0) N/A 3.0 ppb (3) N/A N/A 17.0 ppb (13) 0.07 ppb (1) 24.0 μg/m3 (22) 11.0 μg/m3 (46) 46.0
 
July 10, 2020, 7 a.m. 3.0 ppb (3) 0.5 ppb (0) N/A 3.0 ppb (3) N/A N/A 19.0 ppb (15) 0.08 ppb (1) 24.0 μg/m3 (22) 10.0 μg/m3 (42) 42.0
 
July 10, 2020, 6 a.m. 2.4 ppb (2) 0.8 ppb (1) N/A 2.0 ppb (2) N/A N/A 21.0 ppb (16) 0.07 ppb (1) 21.0 μg/m3 (19) 6.0 μg/m3 (25) 25.0
 
July 10, 2020, 5 a.m. 2.2 ppb (2) 0.6 ppb (1) N/A 2.0 ppb (2) N/A N/A 22.0 ppb (17) 0.07 ppb (1) 27.0 μg/m3 (25) 6.0 μg/m3 (25) 25.0
 
July 10, 2020, 4 a.m. 3.2 ppb (3) 1.2 ppb (1) N/A 2.0 ppb (2) N/A N/A 22.0 ppb (17) 0.08 ppb (1) 20.0 μg/m3 (18) 10.0 μg/m3 (42) 42.0
 
July 10, 2020, 3 a.m. 4.3 ppb (4) 1.8 ppb (2) N/A 3.0 ppb (3) N/A N/A 21.0 ppb (16) 0.09 ppb (1) 24.0 μg/m3 (22) 9.0 μg/m3 (38) 38.0
 
July 10, 2020, 2 a.m. 3.8 ppb (4) 1.7 ppb (2) N/A 2.0 ppb (2) N/A N/A 22.0 ppb (17) 0.09 ppb (1) 24.0 μg/m3 (22) 8.0 μg/m3 (33) 33.0
 
July 10, 2020, 1 a.m. 4.7 ppb (4) 2.3 ppb (2) N/A 2.0 ppb (2) N/A N/A 25.0 ppb (19) 0.09 ppb (1) 26.0 μg/m3 (24) 8.0 μg/m3 (33) 33.0
 
July 10, 2020, midnight 4.9 ppb (5) 2.7 ppb (3) N/A 2.0 ppb (2) N/A N/A 26.0 ppb (20) 0.1 ppb (1) 26.0 μg/m3 (24) 7.0 μg/m3 (29) 29.0
 
July 9, 2020, 11 p.m. 5.7 ppb (5) 2.9 ppb (3) N/A 3.0 ppb (3) N/A N/A 25.0 ppb (19) 0.1 ppb (1) 31.0 μg/m3 (28) 6.0 μg/m3 (25) 28.0
 
July 9, 2020, 10 p.m. 4.1 ppb (4) 2.0 ppb (2) N/A 2.0 ppb (2) N/A N/A 24.0 ppb (18) 0.08 ppb (1) 33.0 μg/m3 (30) 5.0 μg/m3 (21) 30.0
 
July 9, 2020, 9 p.m. 3.6 ppb (3) 1.9 ppb (2) N/A 2.0 ppb (2) N/A N/A 23.0 ppb (18) 0.09 ppb (1) 31.0 μg/m3 (28) 4.0 μg/m3 (17) 28.0
 
July 9, 2020, 8 p.m. 4.7 ppb (4) 2.4 ppb (2) N/A 2.0 ppb (2) N/A N/A 23.0 ppb (18) 0.11 ppb (1) 41.0 μg/m3 (37) 4.0 μg/m3 (17) 37.0
 
July 9, 2020, 7 p.m. 4.7 ppb (4) 2.2 ppb (2) N/A 3.0 ppb (3) N/A N/A 23.0 ppb (18) 0.09 ppb (1) 18.0 μg/m3 (16) 6.0 μg/m3 (25) 25.0
 
July 9, 2020, 6 p.m. 5.8 ppb (5) 2.9 ppb (3) N/A 3.0 ppb (3) N/A N/A 21.0 ppb (16) 0.1 ppb (1) 30.0 μg/m3 (27) 10.0 μg/m3 (42) 42.0
 
July 9, 2020, 5 p.m. 8.2 ppb (8) 4.0 ppb (4) N/A 4.0 ppb (4) N/A N/A 17.0 ppb (13) 0.13 ppb (1) 29.0 μg/m3 (26) 9.0 μg/m3 (38) 38.0
 
July 9, 2020, 4 p.m. 8.4 ppb (8) 4.6 ppb (4) N/A 4.0 ppb (4) N/A N/A 15.0 ppb (12) 0.14 ppb (2) 31.0 μg/m3 (28) 11.0 μg/m3 (46) 46.0
 
July 9, 2020, 3 p.m. 7.1 ppb (7) 3.3 ppb (3) N/A 4.0 ppb (4) N/A N/A 11.0 ppb (8) 0.14 ppb (2) 32.0 μg/m3 (29) 15.0 μg/m3 (56) 56.0
 
July 9, 2020, 2 p.m. 8.0 ppb (7) 2.4 ppb (2) N/A 6.0 ppb (6) N/A N/A 12.0 ppb (9) 0.13 ppb (1) 31.0 μg/m3 (28) 13.0 μg/m3 (52) 52.0
 
July 9, 2020, 1 p.m. 6.8 ppb (6) 1.5 ppb (1) N/A 5.0 ppb (5) N/A N/A 13.0 ppb (10) 0.14 ppb (2) 28.0 μg/m3 (25) 13.0 μg/m3 (52) 52.0
 
July 9, 2020, 3 a.m. 3.7 ppb (3) 1.5 ppb (1) N/A 2.0 ppb (2) N/A N/A 25.0 ppb (19) 0.1 ppb (1) 25.0 μg/m3 (23) 11.0 μg/m3 (46) 46.0
 
July 9, 2020, 2 a.m. 3.4 ppb (3) 1.5 ppb (1) N/A 2.0 ppb (2) N/A N/A 25.0 ppb (19) 0.09 ppb (1) 32.0 μg/m3 (29) 10.0 μg/m3 (42) 42.0
 
July 9, 2020, 1 a.m. 3.4 ppb (3) 1.7 ppb (2) N/A 2.0 ppb (2) N/A N/A 26.0 ppb (20) 0.07 ppb (1) 24.0 μg/m3 (22) 9.0 μg/m3 (38) 38.0
 
July 9, 2020, midnight 4.9 ppb (5) 2.7 ppb (3) N/A 2.0 ppb (2) N/A N/A 25.0 ppb (19) 0.09 ppb (1) 29.0 μg/m3 (26) 8.0 μg/m3 (33) 33.0
 
July 8, 2020, 11 p.m. 4.1 ppb (4) 2.3 ppb (2) N/A 2.0 ppb (2) N/A N/A 25.0 ppb (19) 0.08 ppb (1) 27.0 μg/m3 (25) 12.0 μg/m3 (50) 50.0
 
July 8, 2020, 10 p.m. 4.3 ppb (4) 2.5 ppb (2) N/A 2.0 ppb (2) N/A N/A 21.0 ppb (16) 0.09 ppb (1) 31.0 μg/m3 (28) 7.0 μg/m3 (29) 29.0
 
July 8, 2020, 9 p.m. 4.8 ppb (4) 2.5 ppb (2) N/A 2.0 ppb (2) N/A N/A 20.0 ppb (15) 0.08 ppb (1) 32.0 μg/m3 (29) 9.0 μg/m3 (38) 38.0
 
July 8, 2020, 8 p.m. 4.4 ppb (4) 2.2 ppb (2) N/A 2.0 ppb (2) N/A N/A 21.0 ppb (16) 0.09 ppb (1) 35.0 μg/m3 (32) 9.0 μg/m3 (38) 38.0
 
July 8, 2020, 7 p.m. 5.1 ppb (5) 2.7 ppb (3) N/A 3.0 ppb (3) N/A N/A 21.0 ppb (16) 0.09 ppb (1) 32.0 μg/m3 (29) 6.0 μg/m3 (25) 29.0
 
July 6, 2020, 2 p.m. 3.8 ppb (4) 1.2 ppb (1) N/A 3.0 ppb (3) N/A N/A 23.0 ppb (18) 0.11 ppb (1) 40.0 μg/m3 (36) 10.0 μg/m3 (42) 42.0
 
July 6, 2020, 1 p.m. 5.6 ppb (5) 1.8 ppb (2) N/A 4.0 ppb (4) N/A N/A 20.0 ppb (15) 0.14 ppb (2) 36.0 μg/m3 (33) 11.0 μg/m3 (46) 46.0
 
July 6, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 38.0 μg/m3 (35) 8.0 μg/m3 (33) 35.0
 
July 6, 2020, 11 a.m. 3.7 ppb (3) 0.7 ppb (1) N/A 3.0 ppb (3) N/A N/A 21.0 ppb (16) 0.11 ppb (1) 39.0 μg/m3 (35) 9.0 μg/m3 (38) 38.0
 
July 6, 2020, 10 a.m. 2.4 ppb (2) 0.5 ppb (0) N/A 2.0 ppb (2) N/A N/A 24.0 ppb (18) 0.09 ppb (1) 41.0 μg/m3 (37) 10.0 μg/m3 (42) 42.0
 
July 6, 2020, 9 a.m. 1.5 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 27.0 ppb (21) 0.09 ppb (1) 42.0 μg/m3 (38) 9.0 μg/m3 (38) 38.0
 
July 6, 2020, 8 a.m. 3.0 ppb (3) 0.8 ppb (1) N/A 2.0 ppb (2) N/A N/A 25.0 ppb (19) 0.09 ppb (1) 37.0 μg/m3 (34) 13.0 μg/m3 (52) 52.0
 
July 6, 2020, 7 a.m. 2.5 ppb (2) 0.8 ppb (1) N/A 2.0 ppb (2) N/A N/A 27.0 ppb (21) 0.1 ppb (1) 40.0 μg/m3 (36) 13.0 μg/m3 (52) 52.0
 
July 6, 2020, 6 a.m. 3.8 ppb (4) 0.9 ppb (1) N/A 3.0 ppb (3) N/A N/A 25.0 ppb (19) 0.11 ppb (1) 43.0 μg/m3 (39) 11.0 μg/m3 (46) 46.0
 
July 6, 2020, 5 a.m. 5.9 ppb (5) 1.4 ppb (1) N/A 5.0 ppb (5) N/A N/A 26.0 ppb (20) 0.13 ppb (1) 44.0 μg/m3 (40) 13.0 μg/m3 (52) 52.0
 
July 6, 2020, 4 a.m. 6.7 ppb (6) 2.1 ppb (2) N/A 5.0 ppb (5) N/A N/A 28.0 ppb (22) 0.13 ppb (1) 41.0 μg/m3 (37) 13.0 μg/m3 (52) 52.0
 
July 6, 2020, 3 a.m. 5.8 ppb (5) 2.3 ppb (2) N/A 4.0 ppb (4) N/A N/A 30.0 ppb (23) 0.16 ppb (2) 37.0 μg/m3 (34) 16.0 μg/m3 (59) 59.0
 
July 6, 2020, 2 a.m. 5.1 ppb (5) 2.1 ppb (2) N/A 3.0 ppb (3) N/A N/A 30.0 ppb (23) 0.17 ppb (2) 43.0 μg/m3 (39) 15.0 μg/m3 (56) 56.0
 
July 6, 2020, 1 a.m. 3.6 ppb (3) 1.4 ppb (1) N/A 2.0 ppb (2) N/A N/A 33.0 ppb (25) 0.12 ppb (1) 48.0 μg/m3 (44) 15.0 μg/m3 (56) 56.0
 
July 6, 2020, midnight 3.6 ppb (3) 1.8 ppb (2) N/A 2.0 ppb (2) N/A N/A 34.0 ppb (26) 0.11 ppb (1) 47.0 μg/m3 (43) 21.0 μg/m3 (69) 69.0
 
July 5, 2020, 11 p.m. 3.3 ppb (3) 1.5 ppb (1) N/A 2.0 ppb (2) N/A N/A 34.0 ppb (26) 0.11 ppb (1) 42.0 μg/m3 (38) 18.0 μg/m3 (63) 63.0
 
July 5, 2020, 10 p.m. 3.0 ppb (3) 1.4 ppb (1) N/A 2.0 ppb (2) N/A N/A 32.0 ppb (25) 0.1 ppb (1) 38.0 μg/m3 (35) 17.0 μg/m3 (61) 61.0