ID: 1115

AQSQID: 060831008

Site Name: Santa Maria - Broadway

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

Updated: Sept. 29, 2020, 11:40 p.m.

Location: Santa Maria (N Santa Maria), CA

Reporting: True, Located: True

Current AQI: 37.0

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
Sept. 29, 2020, 10 p.m. 8.4 ppb (8) 3.5 ppb (3) N/A 5.0 ppb (5) N/A N/A 38.0 ppb (29) 0.17 ppb (2) 41.1 μg/m3 (37) -1.0 μg/m3 (0) 37.0
 
Sept. 29, 2020, 9 p.m. 8.9 ppb (8) 3.8 ppb (4) N/A 5.0 ppb (5) N/A N/A 39.0 ppb (30) 0.16 ppb (2) 32.1 μg/m3 (29) 1.0 μg/m3 (4) 30.0
 
Sept. 29, 2020, 8 p.m. 7.4 ppb (7) 2.8 ppb (3) N/A 5.0 ppb (5) N/A N/A 40.0 ppb (31) 0.16 ppb (2) 28.6 μg/m3 (26) 3.0 μg/m3 (12) 31.0
 
Sept. 29, 2020, 7 p.m. 7.3 ppb (7) 3.4 ppb (3) N/A 4.0 ppb (4) N/A N/A 37.0 ppb (28) 0.16 ppb (2) 19.5 μg/m3 (18) 2.0 μg/m3 (8) 28.0
 
Sept. 29, 2020, 6 p.m. 9.7 ppb (9) 4.8 ppb (4) N/A 5.0 ppb (5) N/A N/A 30.0 ppb (23) 0.19 ppb (2) 24.0 μg/m3 (22) 5.0 μg/m3 (21) 23.0
 
Sept. 29, 2020, 5 p.m. 12.0 ppb (11) 5.9 ppb (5) N/A 6.0 ppb (6) N/A N/A 20.0 ppb (15) 0.19 ppb (2) 22.3 μg/m3 (20) 7.0 μg/m3 (29) 29.0
 
Sept. 29, 2020, 4 p.m. 13.7 ppb (13) 6.2 ppb (6) N/A 8.0 ppb (7) N/A N/A 14.0 ppb (11) 0.22 ppb (2) 12.7 μg/m3 (12) 7.0 μg/m3 (29) 29.0
 
Sept. 29, 2020, 3 p.m. 14.1 ppb (13) 6.2 ppb (6) N/A 8.0 ppb (7) N/A N/A 12.0 ppb (9) 0.21 ppb (2) 7.8 μg/m3 (7) 5.0 μg/m3 (21) 21.0
 
Sept. 29, 2020, 2 p.m. 12.3 ppb (11) 4.2 ppb (4) N/A 8.0 ppb (7) N/A N/A 11.0 ppb (8) 0.22 ppb (2) 6.9 μg/m3 (6) 6.0 μg/m3 (25) 25.0
 
Sept. 29, 2020, 1 p.m. 12.3 ppb (11) 3.9 ppb (4) N/A 8.0 ppb (7) N/A N/A 11.0 ppb (8) 0.26 ppb (3) 9.0 μg/m3 (8) 8.0 μg/m3 (33) 33.0
 
Sept. 29, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 10.5 μg/m3 (10) 10.0 μg/m3 (42) 42.0
 
Sept. 29, 2020, 11 a.m. 7.6 ppb (7) 1.9 ppb (2) N/A 6.0 ppb (6) N/A N/A 16.0 ppb (12) 0.18 ppb (2) 13.9 μg/m3 (13) 10.0 μg/m3 (42) 42.0
 
Sept. 29, 2020, 10 a.m. 7.8 ppb (7) 2.1 ppb (2) N/A 6.0 ppb (6) N/A N/A 17.0 ppb (13) 0.18 ppb (2) 20.3 μg/m3 (18) 12.0 μg/m3 (50) 50.0
 
Sept. 29, 2020, 9 a.m. 7.8 ppb (7) 2.0 ppb (2) N/A 6.0 ppb (6) N/A N/A 17.0 ppb (13) 0.18 ppb (2) 19.5 μg/m3 (18) 10.0 μg/m3 (42) 42.0
 
Sept. 29, 2020, 8 a.m. 7.6 ppb (7) 2.0 ppb (2) N/A 6.0 ppb (6) N/A N/A 19.0 ppb (15) 0.18 ppb (2) 15.6 μg/m3 (14) 9.0 μg/m3 (38) 38.0
 
Sept. 29, 2020, 7 a.m. 8.6 ppb (8) 1.8 ppb (2) N/A 7.0 ppb (6) N/A N/A 22.0 ppb (17) 0.17 ppb (2) 10.7 μg/m3 (10) 9.0 μg/m3 (38) 38.0
 
Sept. 29, 2020, 6 a.m. 8.1 ppb (8) 2.0 ppb (2) N/A 6.0 ppb (6) N/A N/A 23.0 ppb (18) 0.19 ppb (2) 11.3 μg/m3 (10) 5.0 μg/m3 (21) 21.0
 
Sept. 29, 2020, 5 a.m. 6.6 ppb (6) 1.9 ppb (2) N/A 5.0 ppb (5) N/A N/A 28.0 ppb (22) 0.17 ppb (2) 9.2 μg/m3 (8) 5.0 μg/m3 (21) 22.0
 
Sept. 29, 2020, 4 a.m. 6.3 ppb (6) 2.1 ppb (2) N/A 4.0 ppb (4) N/A N/A 31.0 ppb (24) 0.16 ppb (2) 10.1 μg/m3 (9) 3.0 μg/m3 (12) 24.0
 
Sept. 29, 2020, 3 a.m. 6.0 ppb (6) 2.5 ppb (2) N/A 4.0 ppb (4) N/A N/A 33.0 ppb (25) 0.18 ppb (2) 9.7 μg/m3 (9) 5.0 μg/m3 (21) 25.0
 
Sept. 29, 2020, 2 a.m. 5.8 ppb (5) 2.5 ppb (2) N/A 3.0 ppb (3) N/A N/A 34.0 ppb (26) 0.17 ppb (2) 10.1 μg/m3 (9) 3.0 μg/m3 (12) 26.0
 
Sept. 29, 2020, 1 a.m. 6.8 ppb (6) 2.8 ppb (3) N/A 4.0 ppb (4) N/A N/A 34.0 ppb (26) 0.16 ppb (2) 13.2 μg/m3 (12) 5.0 μg/m3 (21) 26.0
 
Sept. 29, 2020, midnight 7.5 ppb (7) 3.2 ppb (3) N/A 4.0 ppb (4) N/A N/A 36.0 ppb (28) 0.18 ppb (2) 19.8 μg/m3 (18) 4.0 μg/m3 (17) 28.0
 
Sept. 28, 2020, 11 p.m. 8.0 ppb (7) 3.4 ppb (3) N/A 5.0 ppb (5) N/A N/A 37.0 ppb (28) 0.17 ppb (2) 30.8 μg/m3 (28) 4.0 μg/m3 (17) 28.0
 
Sept. 28, 2020, 10 p.m. 8.0 ppb (7) 3.4 ppb (3) N/A 5.0 ppb (5) N/A N/A 40.0 ppb (31) 0.16 ppb (2) 32.6 μg/m3 (30) 3.0 μg/m3 (12) 31.0
 
Sept. 28, 2020, 9 p.m. 7.1 ppb (7) 3.0 ppb (3) N/A 4.0 ppb (4) N/A N/A 42.0 ppb (32) 0.16 ppb (2) 20.1 μg/m3 (18) 6.0 μg/m3 (25) 32.0
 
Sept. 28, 2020, 8 p.m. 7.3 ppb (7) 3.3 ppb (3) N/A 4.0 ppb (4) N/A N/A 41.0 ppb (32) 0.17 ppb (2) 29.0 μg/m3 (26) 4.0 μg/m3 (17) 32.0
 
Sept. 28, 2020, 7 p.m. 8.4 ppb (8) 4.0 ppb (4) N/A 4.0 ppb (4) N/A N/A 37.0 ppb (28) 0.19 ppb (2) 22.5 μg/m3 (20) 7.0 μg/m3 (29) 29.0
 
Sept. 28, 2020, 6 p.m. 10.3 ppb (10) 4.7 ppb (4) N/A 6.0 ppb (6) N/A N/A 30.0 ppb (23) 0.19 ppb (2) 26.9 μg/m3 (24) 9.0 μg/m3 (38) 38.0
 
Sept. 28, 2020, 5 p.m. 12.7 ppb (12) 4.6 ppb (4) N/A 8.0 ppb (7) N/A N/A 25.0 ppb (19) 0.21 ppb (2) 22.7 μg/m3 (21) 10.0 μg/m3 (42) 42.0
 
Sept. 28, 2020, 4 p.m. 15.5 ppb (14) 5.4 ppb (5) N/A 10.0 ppb (9) N/A N/A 21.0 ppb (16) 0.26 ppb (3) 21.1 μg/m3 (19) 10.0 μg/m3 (42) 42.0
 
Sept. 28, 2020, 3 p.m. 10.4 ppb (10) 3.2 ppb (3) N/A 7.0 ppb (6) N/A N/A 23.0 ppb (18) 0.25 ppb (3) 8.3 μg/m3 (8) 10.0 μg/m3 (42) 42.0
 
Sept. 28, 2020, 2 p.m. 8.8 ppb (8) 2.2 ppb (2) N/A 7.0 ppb (6) N/A N/A 25.0 ppb (19) 0.2 ppb (2) 7.2 μg/m3 (7) 11.0 μg/m3 (46) 46.0
 
Sept. 28, 2020, 1 p.m. 7.5 ppb (7) 2.0 ppb (2) N/A 5.0 ppb (5) N/A N/A 27.0 ppb (21) 0.21 ppb (2) 7.5 μg/m3 (7) 8.0 μg/m3 (33) 33.0
 
Sept. 28, 2020, noon 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
 
Sept. 28, 2020, 11 a.m. 4.2 ppb (4) 2.1 ppb (2) N/A 2.0 ppb (2) N/A N/A 31.0 ppb (24) 0.15 ppb (2) 6.6 μg/m3 (6) 4.0 μg/m3 (17) 24.0
 
Sept. 28, 2020, 10 a.m. 4.6 ppb (4) 2.1 ppb (2) N/A 3.0 ppb (3) N/A N/A 28.0 ppb (22) 0.17 ppb (2) 7.6 μg/m3 (7) 5.0 μg/m3 (21) 22.0
 
Sept. 28, 2020, 9 a.m. 3.3 ppb (3) 1.5 ppb (1) N/A 2.0 ppb (2) N/A N/A 30.0 ppb (23) 0.14 ppb (2) 12.0 μg/m3 (11) 8.0 μg/m3 (33) 33.0
 
Sept. 28, 2020, 8 a.m. 3.4 ppb (3) 1.7 ppb (2) N/A 2.0 ppb (2) N/A N/A 31.0 ppb (24) 0.14 ppb (2) 19.4 μg/m3 (18) 11.0 μg/m3 (46) 46.0
 
Sept. 28, 2020, 7 a.m. 5.9 ppb (5) 2.0 ppb (2) N/A 4.0 ppb (4) N/A N/A 31.0 ppb (24) 0.18 ppb (2) 28.6 μg/m3 (26) 12.0 μg/m3 (50) 50.0
 
Sept. 28, 2020, 6 a.m. 7.3 ppb (7) 2.0 ppb (2) N/A 5.0 ppb (5) N/A N/A 31.0 ppb (24) 0.21 ppb (2) 27.5 μg/m3 (25) 13.0 μg/m3 (52) 52.0
 
Sept. 28, 2020, 5 a.m. 8.0 ppb (7) 1.9 ppb (2) N/A 6.0 ppb (6) N/A N/A 33.0 ppb (25) 0.2 ppb (2) 26.2 μg/m3 (24) 18.0 μg/m3 (63) 63.0
 
Sept. 28, 2020, 4 a.m. 7.1 ppb (7) 2.1 ppb (2) N/A 5.0 ppb (5) N/A N/A 37.0 ppb (28) 0.19 ppb (2) 23.3 μg/m3 (21) 16.0 μg/m3 (59) 59.0
 
Sept. 28, 2020, 3 a.m. 5.9 ppb (5) 2.2 ppb (2) N/A 4.0 ppb (4) N/A N/A 40.0 ppb (31) 0.18 ppb (2) 17.4 μg/m3 (16) 8.0 μg/m3 (33) 33.0
 
Sept. 28, 2020, 2 a.m. 7.3 ppb (7) 3.1 ppb (3) N/A 4.0 ppb (4) N/A N/A 41.0 ppb (32) 0.18 ppb (2) 18.1 μg/m3 (16) 11.0 μg/m3 (46) 46.0
 
Sept. 28, 2020, 1 a.m. 7.6 ppb (7) 3.2 ppb (3) N/A 5.0 ppb (5) N/A N/A 42.0 ppb (32) 0.2 ppb (2) 24.6 μg/m3 (22) 15.0 μg/m3 (56) 56.0
 
Sept. 28, 2020, midnight 6.8 ppb (6) 2.8 ppb (3) N/A 4.0 ppb (4) N/A N/A 43.0 ppb (33) 0.19 ppb (2) 26.5 μg/m3 (24) 16.0 μg/m3 (59) 59.0
 
Sept. 27, 2020, 11 p.m. 7.1 ppb (7) 3.1 ppb (3) N/A 4.0 ppb (4) N/A N/A 43.0 ppb (33) 0.18 ppb (2) 34.0 μg/m3 (31) 17.0 μg/m3 (61) 61.0
 
Sept. 27, 2020, 10 p.m. 7.3 ppb (7) 3.0 ppb (3) N/A 4.0 ppb (4) N/A N/A 41.0 ppb (32) 0.18 ppb (2) 32.4 μg/m3 (29) 16.0 μg/m3 (59) 59.0
 
Sept. 27, 2020, 9 p.m. 6.9 ppb (6) 3.2 ppb (3) N/A 4.0 ppb (4) N/A N/A 39.0 ppb (30) 0.18 ppb (2) 35.2 μg/m3 (32) 13.0 μg/m3 (52) 52.0
 
Sept. 27, 2020, 8 p.m. 6.6 ppb (6) 3.2 ppb (3) N/A 3.0 ppb (3) N/A N/A 36.0 ppb (28) 0.2 ppb (2) 34.3 μg/m3 (31) 9.0 μg/m3 (38) 38.0
 
Sept. 27, 2020, 7 p.m. 7.7 ppb (7) 3.3 ppb (3) N/A 4.0 ppb (4) N/A N/A 33.0 ppb (25) 0.19 ppb (2) 41.2 μg/m3 (37) 13.0 μg/m3 (52) 52.0
 
Sept. 27, 2020, 6 p.m. 8.0 ppb (7) 3.5 ppb (3) N/A 5.0 ppb (5) N/A N/A 33.0 ppb (25) 0.21 ppb (2) 60.2 μg/m3 (53) 18.0 μg/m3 (63) 63.0
 
Sept. 27, 2020, 5 p.m. 8.2 ppb (8) 3.5 ppb (3) N/A 5.0 ppb (5) N/A N/A 29.0 ppb (22) 0.19 ppb (2) 50.5 μg/m3 (46) 20.0 μg/m3 (67) 67.0
 
Sept. 27, 2020, 4 p.m. 5.7 ppb (5) 2.6 ppb (2) N/A 3.0 ppb (3) N/A N/A 27.0 ppb (21) 0.15 ppb (2) 30.6 μg/m3 (28) 13.0 μg/m3 (52) 52.0
 
Sept. 27, 2020, 3 p.m. 8.5 ppb (8) 3.2 ppb (3) N/A 5.0 ppb (5) N/A N/A 20.0 ppb (15) 0.2 ppb (2) 48.9 μg/m3 (44) 17.0 μg/m3 (61) 61.0
 
Sept. 27, 2020, 2 p.m. 11.9 ppb (11) 4.4 ppb (4) N/A 8.0 ppb (7) N/A N/A 12.0 ppb (9) 0.28 ppb (3) 48.8 μg/m3 (44) 17.0 μg/m3 (61) 61.0
 
Sept. 27, 2020, 1 p.m. 10.5 ppb (10) 2.9 ppb (3) N/A 8.0 ppb (7) N/A N/A 12.0 ppb (9) 0.22 ppb (2) 53.8 μg/m3 (49) 19.0 μg/m3 (65) 65.0
 
Sept. 27, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 52.7 μg/m3 (48) 18.0 μg/m3 (63) 63.0
 
Sept. 27, 2020, 11 a.m. 11.7 ppb (11) 2.3 ppb (2) N/A 9.0 ppb (8) N/A N/A 11.0 ppb (8) 0.12 ppb (1) 47.9 μg/m3 (44) 14.0 μg/m3 (54) 54.0
 
Sept. 27, 2020, 10 a.m. 9.9 ppb (9) 2.0 ppb (2) N/A 8.0 ppb (7) N/A N/A 10.0 ppb (8) 0.12 ppb (1) 45.4 μg/m3 (41) 16.0 μg/m3 (59) 59.0
 
Sept. 27, 2020, 9 a.m. 13.1 ppb (12) 3.0 ppb (3) N/A 10.0 ppb (9) N/A N/A 9.0 ppb (7) 0.18 ppb (2) 37.7 μg/m3 (34) 14.0 μg/m3 (54) 54.0
 
Sept. 27, 2020, 8 a.m. 16.1 ppb (15) 3.2 ppb (3) N/A 13.0 ppb (12) N/A N/A 6.0 ppb (5) 0.18 ppb (2) 47.9 μg/m3 (44) 19.0 μg/m3 (65) 65.0
 
Sept. 27, 2020, 7 a.m. 18.7 ppb (17) 3.2 ppb (3) N/A 16.0 ppb (15) N/A N/A 5.0 ppb (4) 0.19 ppb (2) 43.4 μg/m3 (39) 15.0 μg/m3 (56) 56.0
 
Sept. 27, 2020, 6 a.m. 14.9 ppb (14) 4.0 ppb (4) N/A 11.0 ppb (10) N/A N/A 8.0 ppb (6) 0.22 ppb (2) 29.1 μg/m3 (26) 16.0 μg/m3 (59) 59.0
 
Sept. 27, 2020, 5 a.m. 11.0 ppb (10) 2.3 ppb (2) N/A 9.0 ppb (8) N/A N/A 14.0 ppb (11) 0.2 ppb (2) 39.2 μg/m3 (36) 14.0 μg/m3 (54) 54.0
 
Sept. 27, 2020, 4 a.m. 10.0 ppb (9) 2.1 ppb (2) N/A 8.0 ppb (7) N/A N/A 16.0 ppb (12) 0.18 ppb (2) 36.6 μg/m3 (33) 15.0 μg/m3 (56) 56.0
 
Sept. 27, 2020, 3 a.m. 10.0 ppb (9) 3.4 ppb (3) N/A 7.0 ppb (6) N/A N/A 21.0 ppb (16) 0.15 ppb (2) 34.7 μg/m3 (32) 10.0 μg/m3 (42) 42.0
 
Sept. 27, 2020, 2 a.m. 7.6 ppb (7) 3.3 ppb (3) N/A 4.0 ppb (4) N/A N/A 23.0 ppb (18) 0.12 ppb (1) 31.9 μg/m3 (29) 11.0 μg/m3 (46) 46.0
 
Sept. 27, 2020, 1 a.m. 6.8 ppb (6) 3.2 ppb (3) N/A 4.0 ppb (4) N/A N/A 26.0 ppb (20) 0.12 ppb (1) 25.6 μg/m3 (23) 5.0 μg/m3 (21) 23.0
 
Sept. 27, 2020, midnight 7.0 ppb (6) 3.4 ppb (3) N/A 4.0 ppb (4) N/A N/A 27.0 ppb (21) 0.11 ppb (1) 37.4 μg/m3 (34) 7.0 μg/m3 (29) 34.0
 
Sept. 26, 2020, 11 p.m. 6.8 ppb (6) 3.2 ppb (3) N/A 4.0 ppb (4) N/A N/A 31.0 ppb (24) 0.11 ppb (1) 43.6 μg/m3 (40) 11.0 μg/m3 (46) 46.0
 
Sept. 26, 2020, 10 p.m. 7.7 ppb (7) 3.8 ppb (4) N/A 4.0 ppb (4) N/A N/A 31.0 ppb (24) 0.12 ppb (1) 51.3 μg/m3 (47) 7.0 μg/m3 (29) 47.0
 
Sept. 26, 2020, 9 p.m. 7.1 ppb (7) 3.5 ppb (3) N/A 4.0 ppb (4) N/A N/A 31.0 ppb (24) 0.12 ppb (1) 65.8 μg/m3 (55) 13.0 μg/m3 (52) 55.0
 
Sept. 26, 2020, 8 p.m. 7.4 ppb (7) 3.7 ppb (3) N/A 4.0 ppb (4) N/A N/A 31.0 ppb (24) 0.12 ppb (1) 72.0 μg/m3 (58) 14.0 μg/m3 (54) 58.0
 
Sept. 26, 2020, 7 p.m. 7.1 ppb (7) 3.5 ppb (3) N/A 4.0 ppb (4) N/A N/A 32.0 ppb (25) 0.14 ppb (2) 78.5 μg/m3 (62) 13.0 μg/m3 (52) 62.0
 
Sept. 26, 2020, 6 p.m. 9.4 ppb (9) 3.9 ppb (4) N/A 6.0 ppb (6) N/A N/A 36.0 ppb (28) 0.17 ppb (2) 65.6 μg/m3 (55) 13.0 μg/m3 (52) 55.0
 
Sept. 26, 2020, 5 p.m. 10.6 ppb (10) 4.0 ppb (4) N/A 7.0 ppb (6) N/A N/A 36.0 ppb (28) 0.19 ppb (2) 66.3 μg/m3 (56) 14.0 μg/m3 (54) 56.0
 
Sept. 26, 2020, 4 p.m. 12.4 ppb (11) 5.2 ppb (5) N/A 7.0 ppb (6) N/A N/A 21.0 ppb (16) 0.17 ppb (2) 58.8 μg/m3 (52) 15.0 μg/m3 (56) 56.0
 
Sept. 26, 2020, 3 p.m. 13.2 ppb (12) 5.4 ppb (5) N/A 8.0 ppb (7) N/A N/A 17.0 ppb (13) 0.18 ppb (2) 60.9 μg/m3 (53) 19.0 μg/m3 (65) 65.0
 
Sept. 26, 2020, 2 p.m. 23.3 ppb (22) 10.3 ppb (10) N/A 13.0 ppb (12) N/A N/A 6.0 ppb (5) 0.28 ppb (3) 53.0 μg/m3 (48) 14.0 μg/m3 (54) 54.0
 
Sept. 26, 2020, 1 p.m. 26.3 ppb (24) 10.4 ppb (10) N/A 16.0 ppb (15) N/A N/A 0.0 ppb (0) 0.34 ppb (4) 35.1 μg/m3 (32) 9.0 μg/m3 (38) 38.0
 
Sept. 26, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 29.8 μg/m3 (27) 7.0 μg/m3 (29) 29.0
 
Sept. 26, 2020, 11 a.m. 13.2 ppb (12) 4.3 ppb (4) N/A 9.0 ppb (8) N/A N/A 0.0 ppb (0) 0.18 ppb (2) 25.2 μg/m3 (23) 8.0 μg/m3 (33) 33.0
 
Sept. 26, 2020, 10 a.m. 9.7 ppb (9) 2.7 ppb (3) N/A 7.0 ppb (6) N/A N/A 2.0 ppb (2) 0.15 ppb (2) 25.8 μg/m3 (23) 10.0 μg/m3 (42) 42.0
 
Sept. 26, 2020, 9 a.m. 8.0 ppb (7) 3.3 ppb (3) N/A 5.0 ppb (5) N/A N/A 5.0 ppb (4) 0.15 ppb (2) 31.8 μg/m3 (29) 9.0 μg/m3 (38) 38.0
 
Sept. 26, 2020, 8 a.m. 7.4 ppb (7) 2.0 ppb (2) N/A 5.0 ppb (5) N/A N/A 8.0 ppb (6) 0.16 ppb (2) 28.7 μg/m3 (26) 8.0 μg/m3 (33) 33.0
 
Sept. 26, 2020, 7 a.m. 10.2 ppb (9) 2.3 ppb (2) N/A 8.0 ppb (7) N/A N/A 11.0 ppb (8) 0.2 ppb (2) 31.7 μg/m3 (29) 10.0 μg/m3 (42) 42.0
 
Sept. 26, 2020, 6 a.m. 8.9 ppb (8) 2.1 ppb (2) N/A 7.0 ppb (6) N/A N/A 16.0 ppb (12) 0.15 ppb (2) 36.3 μg/m3 (33) 10.0 μg/m3 (42) 42.0
 
Sept. 26, 2020, 5 a.m. 10.5 ppb (10) 2.6 ppb (2) N/A 8.0 ppb (7) N/A N/A 18.0 ppb (14) 0.21 ppb (2) 39.6 μg/m3 (36) 9.0 μg/m3 (38) 38.0
 
Sept. 26, 2020, 4 a.m. 8.2 ppb (8) 2.9 ppb (3) N/A 5.0 ppb (5) N/A N/A 23.0 ppb (18) 0.2 ppb (2) 40.0 μg/m3 (36) 9.0 μg/m3 (38) 38.0
 
Sept. 26, 2020, 3 a.m. 7.3 ppb (7) 2.7 ppb (3) N/A 5.0 ppb (5) N/A N/A 25.0 ppb (19) 0.15 ppb (2) 43.8 μg/m3 (40) 12.0 μg/m3 (50) 50.0
 
Sept. 26, 2020, 2 a.m. 8.4 ppb (8) 3.7 ppb (3) N/A 5.0 ppb (5) N/A N/A 25.0 ppb (19) 0.17 ppb (2) 40.8 μg/m3 (37) 8.0 μg/m3 (33) 37.0
 
Sept. 26, 2020, 1 a.m. 6.2 ppb (6) 3.2 ppb (3) N/A 3.0 ppb (3) N/A N/A 29.0 ppb (22) 0.11 ppb (1) 41.4 μg/m3 (38) 9.0 μg/m3 (38) 38.0
 
Sept. 26, 2020, midnight 7.2 ppb (7) 3.8 ppb (4) N/A 3.0 ppb (3) N/A N/A 30.0 ppb (23) 0.14 ppb (2) 49.8 μg/m3 (45) 9.0 μg/m3 (38) 45.0
 
Sept. 25, 2020, 11 p.m. 6.6 ppb (6) 3.6 ppb (3) N/A 3.0 ppb (3) N/A N/A 32.0 ppb (25) 0.13 ppb (1) 65.6 μg/m3 (55) 12.0 μg/m3 (50) 55.0
 
Sept. 25, 2020, 10 p.m. 6.5 ppb (6) 3.4 ppb (3) N/A 3.0 ppb (3) N/A N/A 32.0 ppb (25) 0.12 ppb (1) 68.1 μg/m3 (57) 11.0 μg/m3 (46) 57.0
 
Sept. 25, 2020, 9 p.m. 6.3 ppb (6) 3.6 ppb (3) N/A 3.0 ppb (3) N/A N/A 32.0 ppb (25) 0.11 ppb (1) 69.9 μg/m3 (57) 16.0 μg/m3 (59) 59.0
 
Sept. 25, 2020, 8 p.m. 6.0 ppb (6) 3.2 ppb (3) N/A 3.0 ppb (3) N/A N/A 32.0 ppb (25) 0.12 ppb (1) 64.5 μg/m3 (55) 13.0 μg/m3 (52) 55.0
 
Sept. 25, 2020, 7 p.m. 6.7 ppb (6) 3.6 ppb (3) N/A 3.0 ppb (3) N/A N/A 33.0 ppb (25) 0.12 ppb (1) 57.4 μg/m3 (51) 13.0 μg/m3 (52) 52.0
 
Sept. 25, 2020, 6 p.m. 6.5 ppb (6) 3.0 ppb (3) N/A 4.0 ppb (4) N/A N/A 33.0 ppb (25) 0.12 ppb (1) 56.7 μg/m3 (51) 11.0 μg/m3 (46) 51.0
 
Sept. 25, 2020, 5 p.m. 6.4 ppb (6) 3.4 ppb (3) N/A 3.0 ppb (3) N/A N/A 32.0 ppb (25) 0.12 ppb (1) 51.0 μg/m3 (46) 14.0 μg/m3 (54) 54.0
 
Sept. 25, 2020, 4 p.m. 8.3 ppb (8) 3.8 ppb (4) N/A 5.0 ppb (5) N/A N/A 27.0 ppb (21) 0.14 ppb (2) 52.1 μg/m3 (47) 13.0 μg/m3 (52) 52.0
 
Sept. 25, 2020, 3 p.m. 11.2 ppb (10) 4.4 ppb (4) N/A 7.0 ppb (6) N/A N/A 23.0 ppb (18) 0.17 ppb (2) 47.0 μg/m3 (43) 13.0 μg/m3 (52) 52.0
 
Sept. 25, 2020, 2 p.m. 13.5 ppb (12) 3.9 ppb (4) N/A 10.0 ppb (9) N/A N/A 19.0 ppb (15) 0.17 ppb (2) 60.2 μg/m3 (53) 14.0 μg/m3 (54) 54.0
 
Sept. 25, 2020, 1 p.m. 15.0 ppb (14) 4.4 ppb (4) N/A 11.0 ppb (10) N/A N/A 23.0 ppb (18) 0.26 ppb (3) 43.7 μg/m3 (40) 11.0 μg/m3 (46) 46.0
 
Sept. 25, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 25.2 μg/m3 (23) 8.0 μg/m3 (33) 33.0
 
Sept. 25, 2020, 11 a.m. 5.6 ppb (5) 2.5 ppb (2) N/A 3.0 ppb (3) N/A N/A 26.0 ppb (20) 0.11 ppb (1) 28.7 μg/m3 (26) 10.0 μg/m3 (42) 42.0
 
Sept. 25, 2020, 10 a.m. 4.3 ppb (4) 1.8 ppb (2) N/A 2.0 ppb (2) N/A N/A 28.0 ppb (22) 0.1 ppb (1) 35.2 μg/m3 (32) 10.0 μg/m3 (42) 42.0
 
Sept. 25, 2020, 9 a.m. 4.6 ppb (4) 1.8 ppb (2) N/A 3.0 ppb (3) N/A N/A 26.0 ppb (20) 0.1 ppb (1) 40.2 μg/m3 (37) 11.0 μg/m3 (46) 46.0
 
Sept. 25, 2020, 8 a.m. 9.4 ppb (9) 2.2 ppb (2) N/A 7.0 ppb (6) N/A N/A 15.0 ppb (12) 0.14 ppb (2) 34.7 μg/m3 (32) 7.0 μg/m3 (29) 32.0
 
Sept. 25, 2020, 7 a.m. 11.7 ppb (11) 2.2 ppb (2) N/A 10.0 ppb (9) N/A N/A 11.0 ppb (8) 0.14 ppb (2) 30.2 μg/m3 (27) 8.0 μg/m3 (33) 33.0
 
Sept. 25, 2020, 6 a.m. 10.1 ppb (9) 2.1 ppb (2) N/A 8.0 ppb (7) N/A N/A 11.0 ppb (8) 0.2 ppb (2) 22.6 μg/m3 (21) 13.0 μg/m3 (52) 52.0
 
Sept. 25, 2020, 5 a.m. 8.9 ppb (8) 2.3 ppb (2) N/A 7.0 ppb (6) N/A N/A 15.0 ppb (12) 0.15 ppb (2) 25.5 μg/m3 (23) 9.0 μg/m3 (38) 38.0
 
Sept. 25, 2020, 4 a.m. 8.0 ppb (7) 2.8 ppb (3) N/A 5.0 ppb (5) N/A N/A 19.0 ppb (15) 0.16 ppb (2) 26.4 μg/m3 (24) 6.0 μg/m3 (25) 25.0
 
Sept. 25, 2020, 3 a.m. 7.6 ppb (7) 3.4 ppb (3) N/A 4.0 ppb (4) N/A N/A 20.0 ppb (15) 0.15 ppb (2) 25.8 μg/m3 (23) 7.0 μg/m3 (29) 29.0
 
Sept. 25, 2020, 2 a.m. 7.0 ppb (6) 3.3 ppb (3) N/A 4.0 ppb (4) N/A N/A 20.0 ppb (15) 0.15 ppb (2) 20.4 μg/m3 (19) 7.0 μg/m3 (29) 29.0
 
Sept. 25, 2020, 1 a.m. 7.3 ppb (7) 3.4 ppb (3) N/A 4.0 ppb (4) N/A N/A 19.0 ppb (15) 0.16 ppb (2) 29.1 μg/m3 (26) 7.0 μg/m3 (29) 29.0
 
Sept. 25, 2020, midnight 7.0 ppb (6) 3.9 ppb (4) N/A 3.0 ppb (3) N/A N/A 21.0 ppb (16) 0.14 ppb (2) 50.8 μg/m3 (46) 8.0 μg/m3 (33) 46.0
 
Sept. 24, 2020, 11 p.m. 6.7 ppb (6) 3.7 ppb (3) N/A 3.0 ppb (3) N/A N/A 23.0 ppb (18) 0.14 ppb (2) 97.1 μg/m3 (71) 8.0 μg/m3 (33) 71.0
 
Sept. 24, 2020, 10 p.m. 6.7 ppb (6) 3.7 ppb (3) N/A 3.0 ppb (3) N/A N/A 26.0 ppb (20) 0.14 ppb (2) 97.9 μg/m3 (71) 12.0 μg/m3 (50) 71.0
 
Sept. 24, 2020, 9 p.m. 6.0 ppb (6) 3.1 ppb (3) N/A 3.0 ppb (3) N/A N/A 27.0 ppb (21) 0.13 ppb (1) 114.8 μg/m3 (80) 7.0 μg/m3 (29) 80.0
 
Sept. 24, 2020, 8 p.m. 6.3 ppb (6) 3.4 ppb (3) N/A 3.0 ppb (3) N/A N/A 26.0 ppb (20) 0.13 ppb (1) 151.4 μg/m3 (98) N/A 98.0
 
Sept. 24, 2020, 7 p.m. 7.2 ppb (7) 3.7 ppb (3) N/A 3.0 ppb (3) N/A N/A 27.0 ppb (21) 0.14 ppb (2) 88.6 μg/m3 (67) 6.0 μg/m3 (25) 67.0
 
Sept. 24, 2020, 6 p.m. 8.3 ppb (8) 3.8 ppb (4) N/A 5.0 ppb (5) N/A N/A 27.0 ppb (21) 0.16 ppb (2) 74.5 μg/m3 (60) 6.0 μg/m3 (25) 60.0
 
Sept. 24, 2020, 5 p.m. 9.7 ppb (9) 4.5 ppb (4) N/A 5.0 ppb (5) N/A N/A 24.0 ppb (18) 0.15 ppb (2) 71.7 μg/m3 (58) 6.0 μg/m3 (25) 58.0
 
Sept. 24, 2020, 4 p.m. 13.8 ppb (13) 6.8 ppb (6) N/A 7.0 ppb (6) N/A N/A 17.0 ppb (13) 0.16 ppb (2) 55.0 μg/m3 (50) 11.0 μg/m3 (46) 50.0
 
Sept. 24, 2020, 3 p.m. 29.7 ppb (28) 18.5 ppb (17) N/A 11.0 ppb (10) N/A N/A 8.0 ppb (6) 0.33 ppb (4) 62.2 μg/m3 (54) 12.0 μg/m3 (50) 54.0
 
Sept. 24, 2020, 2 p.m. 37.9 ppb (35) 25.9 ppb (24) N/A 12.0 ppb (11) N/A N/A 1.0 ppb (1) 0.41 ppb (5) 43.3 μg/m3 (39) 13.0 μg/m3 (52) 52.0
 
Sept. 24, 2020, 1 p.m. 33.8 ppb (31) 22.0 ppb (20) N/A 12.0 ppb (11) N/A N/A 0.0 ppb (0) 0.37 ppb (4) 34.0 μg/m3 (31) 9.0 μg/m3 (38) 38.0
 
Sept. 24, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 32.2 μg/m3 (29) 5.0 μg/m3 (21) 29.0
 
Sept. 24, 2020, 11 a.m. 11.2 ppb (10) 2.6 ppb (2) N/A 9.0 ppb (8) N/A N/A 1.0 ppb (1) 0.18 ppb (2) 27.7 μg/m3 (25) 6.0 μg/m3 (25) 25.0
 
Sept. 24, 2020, 10 a.m. 10.0 ppb (9) 2.3 ppb (2) N/A 8.0 ppb (7) N/A N/A 3.0 ppb (2) 0.17 ppb (2) 25.0 μg/m3 (23) 5.0 μg/m3 (21) 23.0
 
Sept. 24, 2020, 9 a.m. 12.1 ppb (11) 2.2 ppb (2) N/A 10.0 ppb (9) N/A N/A 3.0 ppb (2) 0.17 ppb (2) 32.0 μg/m3 (29) 6.0 μg/m3 (25) 29.0
 
Sept. 24, 2020, 8 a.m. 12.2 ppb (11) 2.3 ppb (2) N/A 10.0 ppb (9) N/A N/A 4.0 ppb (3) 0.16 ppb (2) 35.0 μg/m3 (32) 8.0 μg/m3 (33) 33.0
 
Sept. 24, 2020, 7 a.m. 10.6 ppb (10) 2.2 ppb (2) N/A 8.0 ppb (7) N/A N/A 8.0 ppb (6) 0.17 ppb (2) 25.0 μg/m3 (23) 7.0 μg/m3 (29) 29.0
 
Sept. 24, 2020, 6 a.m. 8.9 ppb (8) 2.1 ppb (2) N/A 7.0 ppb (6) N/A N/A 15.0 ppb (12) 0.16 ppb (2) 24.0 μg/m3 (22) 9.0 μg/m3 (38) 38.0
 
Sept. 24, 2020, 5 a.m. 8.3 ppb (8) 2.2 ppb (2) N/A 6.0 ppb (6) N/A N/A 17.0 ppb (13) 0.15 ppb (2) 22.0 μg/m3 (20) 7.0 μg/m3 (29) 29.0
 
Sept. 24, 2020, 4 a.m. 9.7 ppb (9) 2.2 ppb (2) N/A 8.0 ppb (7) N/A N/A 19.0 ppb (15) 0.19 ppb (2) 26.0 μg/m3 (24) 6.0 μg/m3 (25) 25.0
 
Sept. 24, 2020, 3 a.m. 11.7 ppb (11) 3.2 ppb (3) N/A 9.0 ppb (8) N/A N/A 20.0 ppb (15) 0.21 ppb (2) 28.0 μg/m3 (25) 6.0 μg/m3 (25) 25.0
 
Sept. 24, 2020, 2 a.m. 11.5 ppb (11) 3.6 ppb (3) N/A 8.0 ppb (7) N/A N/A 24.0 ppb (18) 0.17 ppb (2) 39.0 μg/m3 (35) 8.0 μg/m3 (33) 35.0
 
Sept. 24, 2020, 1 a.m. 9.9 ppb (9) 3.6 ppb (3) N/A 6.0 ppb (6) N/A N/A 28.0 ppb (22) 0.16 ppb (2) 37.0 μg/m3 (34) 8.0 μg/m3 (33) 34.0
 
Sept. 24, 2020, midnight 8.4 ppb (8) 3.8 ppb (4) N/A 5.0 ppb (5) N/A N/A 29.0 ppb (22) 0.15 ppb (2) 46.0 μg/m3 (42) 9.0 μg/m3 (38) 42.0
 
Sept. 23, 2020, 11 p.m. 8.0 ppb (7) 3.9 ppb (4) N/A 4.0 ppb (4) N/A N/A 30.0 ppb (23) 0.14 ppb (2) 39.0 μg/m3 (35) 7.0 μg/m3 (29) 35.0
 
Sept. 23, 2020, 10 p.m. 6.7 ppb (6) 3.4 ppb (3) N/A 3.0 ppb (3) N/A N/A 31.0 ppb (24) 0.15 ppb (2) 43.0 μg/m3 (39) 2.0 μg/m3 (8) 39.0
 
Sept. 23, 2020, 9 p.m. 8.2 ppb (8) 4.1 ppb (4) N/A 4.0 ppb (4) N/A N/A 29.0 ppb (22) 0.17 ppb (2) N/A N/A 22.0
 
Sept. 23, 2020, 8 p.m. 7.1 ppb (7) 3.1 ppb (3) N/A 4.0 ppb (4) N/A N/A 36.0 ppb (28) 0.19 ppb (2) 50.0 μg/m3 (45) 6.0 μg/m3 (25) 45.0
 
Sept. 23, 2020, 7 p.m. 8.9 ppb (8) 3.6 ppb (3) N/A 5.0 ppb (5) N/A N/A 36.0 ppb (28) 0.22 ppb (2) 45.0 μg/m3 (41) 6.0 μg/m3 (25) 41.0
 
Sept. 23, 2020, 6 p.m. 10.2 ppb (9) 4.5 ppb (4) N/A 6.0 ppb (6) N/A N/A 31.0 ppb (24) 0.23 ppb (3) 48.0 μg/m3 (44) 9.0 μg/m3 (38) 44.0
 
Sept. 23, 2020, 5 p.m. 13.8 ppb (13) 6.9 ppb (6) N/A 7.0 ppb (6) N/A N/A 19.0 ppb (15) 0.26 ppb (3) 40.0 μg/m3 (36) 9.0 μg/m3 (38) 38.0
 
Sept. 23, 2020, 4 p.m. 15.9 ppb (15) 9.2 ppb (9) N/A 7.0 ppb (6) N/A N/A 12.0 ppb (9) 0.29 ppb (3) 41.0 μg/m3 (37) 14.0 μg/m3 (54) 54.0
 
Sept. 23, 2020, 3 p.m. 28.8 ppb (27) 19.2 ppb (18) N/A 10.0 ppb (9) N/A N/A 5.0 ppb (4) 0.37 ppb (4) 55.0 μg/m3 (50) 14.0 μg/m3 (54) 54.0
 
Sept. 23, 2020, 2 p.m. 38.7 ppb (36) 27.1 ppb (25) N/A 12.0 ppb (11) N/A N/A 1.0 ppb (1) 0.51 ppb (6) 55.0 μg/m3 (50) 16.0 μg/m3 (59) 59.0
 
Sept. 23, 2020, 1 p.m. 23.2 ppb (21) 10.6 ppb (10) N/A 13.0 ppb (12) N/A N/A 0.0 ppb (0) 0.41 ppb (5) 33.0 μg/m3 (30) 12.0 μg/m3 (50) 50.0
 
Sept. 23, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (16) 12.0 μg/m3 (50) 50.0
 
Sept. 23, 2020, 11 a.m. 9.4 ppb (9) 3.2 ppb (3) N/A 6.0 ppb (6) N/A N/A 1.0 ppb (1) 0.21 ppb (2) 18.0 μg/m3 (16) 7.0 μg/m3 (29) 29.0
 
Sept. 23, 2020, 10 a.m. 7.3 ppb (7) 2.0 ppb (2) N/A 5.0 ppb (5) N/A N/A 3.0 ppb (2) 0.21 ppb (2) 18.0 μg/m3 (16) 7.0 μg/m3 (29) 29.0
 
Sept. 23, 2020, 9 a.m. 7.7 ppb (7) 1.8 ppb (2) N/A 6.0 ppb (6) N/A N/A 7.0 ppb (5) 0.23 ppb (3) 12.0 μg/m3 (11) 8.0 μg/m3 (33) 33.0
 
Sept. 23, 2020, 8 a.m. 7.1 ppb (7) 1.9 ppb (2) N/A 5.0 ppb (5) N/A N/A 12.0 ppb (9) 0.23 ppb (3) 18.0 μg/m3 (16) 12.0 μg/m3 (50) 50.0
 
Sept. 23, 2020, 7 a.m. 7.4 ppb (7) 1.6 ppb (1) N/A 6.0 ppb (6) N/A N/A 16.0 ppb (12) 0.22 ppb (2) 15.0 μg/m3 (14) 12.0 μg/m3 (50) 50.0
 
Sept. 23, 2020, 6 a.m. 8.9 ppb (8) 2.4 ppb (2) N/A 7.0 ppb (6) N/A N/A 18.0 ppb (14) 0.25 ppb (3) 21.0 μg/m3 (19) 10.0 μg/m3 (42) 42.0
 
Sept. 23, 2020, 5 a.m. 8.0 ppb (7) 2.2 ppb (2) N/A 6.0 ppb (6) N/A N/A 20.0 ppb (15) 0.24 ppb (3) 17.0 μg/m3 (15) 11.0 μg/m3 (46) 46.0
 
Sept. 23, 2020, 4 a.m. 6.6 ppb (6) 2.0 ppb (2) N/A 5.0 ppb (5) N/A N/A 22.0 ppb (17) 0.23 ppb (3) 13.0 μg/m3 (12) 6.0 μg/m3 (25) 25.0
 
Sept. 23, 2020, 3 a.m. 6.6 ppb (6) 2.5 ppb (2) N/A 4.0 ppb (4) N/A N/A 24.0 ppb (18) 0.22 ppb (2) 7.0 μg/m3 (6) 5.0 μg/m3 (21) 21.0
 
Sept. 23, 2020, 2 a.m. 6.7 ppb (6) 3.2 ppb (3) N/A 4.0 ppb (4) N/A N/A 26.0 ppb (20) 0.22 ppb (2) 11.0 μg/m3 (10) 8.0 μg/m3 (33) 33.0
 
Sept. 23, 2020, 1 a.m. 7.2 ppb (7) 3.3 ppb (3) N/A 4.0 ppb (4) N/A N/A 29.0 ppb (22) 0.2 ppb (2) 15.0 μg/m3 (14) 11.0 μg/m3 (46) 46.0
 
Sept. 23, 2020, midnight 8.1 ppb (8) 3.4 ppb (3) N/A 5.0 ppb (5) N/A N/A 32.0 ppb (25) 0.21 ppb (2) 35.0 μg/m3 (32) 9.0 μg/m3 (38) 38.0
 
Sept. 22, 2020, 11 p.m. 8.7 ppb (8) 4.3 ppb (4) N/A 5.0 ppb (5) N/A N/A 34.0 ppb (26) 0.21 ppb (2) 42.0 μg/m3 (38) 6.0 μg/m3 (25) 38.0