ID: 1115

AQSQID: 060831008

Site Name: Santa Maria - Broadway

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

Updated: March 8, 2021, 12:33 a.m.

Location: Santa Maria (N Santa Maria), CA

Reporting: False, Located: True

Current AQI: None

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
Feb. 11, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 0.1 μg/m3 (1) 6.0 μg/m3 (25) 25.0
 
Feb. 11, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (12) N/A 3.7 μg/m3 (4) 5.0 μg/m3 (21) 21.0
 
Feb. 11, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (14) N/A 7.3 μg/m3 (7) 5.0 μg/m3 (21) 21.0
 
Feb. 11, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (14) N/A 10.8 μg/m3 (10) 5.0 μg/m3 (21) 21.0
 
Feb. 11, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (9) N/A 17.5 μg/m3 (17) 6.0 μg/m3 (25) 25.0
 
Feb. 11, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (12) N/A 17.4 μg/m3 (17) 8.0 μg/m3 (34) 34.0
 
Feb. 11, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A 13.9 μg/m3 (13) 6.0 μg/m3 (25) 25.0
 
Feb. 11, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A 21.8 μg/m3 (21) 7.0 μg/m3 (30) 30.0
 
Feb. 11, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A 20.2 μg/m3 (19) 7.0 μg/m3 (30) 30.0
 
Feb. 11, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A 28.4 μg/m3 (27) 9.0 μg/m3 (38) 38.0
 
Feb. 11, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A 69.4 μg/m3 (59) 12.0 μg/m3 (50) 59.0
 
Feb. 11, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A 37.1 μg/m3 (35) 8.0 μg/m3 (34) 35.0
 
Feb. 11, 2021, midnight N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A 61.7 μg/m3 (55) 8.0 μg/m3 (34) 55.0
 
Feb. 10, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A 59.8 μg/m3 (54) 8.0 μg/m3 (34) 54.0
 
Feb. 10, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A 62.7 μg/m3 (55) 10.0 μg/m3 (42) 55.0
 
Feb. 10, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A 48.5 μg/m3 (45) 7.0 μg/m3 (30) 45.0
 
Feb. 10, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A 43.9 μg/m3 (41) 6.0 μg/m3 (25) 41.0
 
Feb. 10, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A 51.5 μg/m3 (48) 6.0 μg/m3 (25) 48.0
 
Feb. 10, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (19) N/A 41.4 μg/m3 (39) 9.0 μg/m3 (38) 39.0
 
Feb. 10, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (12) N/A 24.6 μg/m3 (23) 9.0 μg/m3 (38) 38.0
 
Feb. 10, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (6) N/A 21.3 μg/m3 (20) 12.0 μg/m3 (50) 50.0
 
Feb. 10, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 22.1 μg/m3 (21) 7.0 μg/m3 (30) 30.0
 
Feb. 10, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 19.7 μg/m3 (19) 5.0 μg/m3 (21) 21.0
 
Feb. 10, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 13.6 μg/m3 (13) 6.0 μg/m3 (25) 25.0
 
Feb. 10, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) 10.0 μg/m3 (42) 42.0
 
Feb. 10, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (11) N/A 13.6 μg/m3 (13) 6.0 μg/m3 (25) 25.0
 
Feb. 10, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (10) N/A 17.2 μg/m3 (16) 7.0 μg/m3 (30) 30.0
 
Feb. 10, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (9) N/A 14.9 μg/m3 (14) 5.0 μg/m3 (21) 21.0
 
Feb. 10, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (8) N/A 10.2 μg/m3 (10) 4.0 μg/m3 (17) 17.0
 
Feb. 10, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (6) N/A 10.8 μg/m3 (10) 3.0 μg/m3 (13) 13.0
 
Feb. 10, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (7) N/A 23.9 μg/m3 (23) 18.0 μg/m3 (64) 64.0
 
Feb. 10, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (13) N/A 20.6 μg/m3 (20) 5.0 μg/m3 (21) 21.0
 
Feb. 10, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (17) N/A 26.7 μg/m3 (25) 8.0 μg/m3 (34) 34.0
 
Feb. 10, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A 25.3 μg/m3 (24) 15.0 μg/m3 (58) 58.0
 
Feb. 10, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A 24.3 μg/m3 (23) 7.0 μg/m3 (30) 30.0
 
Feb. 10, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A 24.8 μg/m3 (23) 7.0 μg/m3 (30) 31.0
 
Feb. 10, 2021, midnight N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A 29.6 μg/m3 (28) 9.0 μg/m3 (38) 38.0
 
Feb. 9, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A 34.8 μg/m3 (33) 10.0 μg/m3 (42) 42.0
 
Feb. 9, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A 28.1 μg/m3 (27) 7.0 μg/m3 (30) 32.0
 
Feb. 9, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A 23.5 μg/m3 (22) 6.0 μg/m3 (25) 31.0
 
Feb. 9, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A 14.0 μg/m3 (13) 8.0 μg/m3 (34) 34.0
 
Feb. 9, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A 10.7 μg/m3 (10) 10.0 μg/m3 (42) 42.0
 
Feb. 9, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A 20.7 μg/m3 (20) 9.0 μg/m3 (38) 38.0
 
Feb. 9, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A 14.2 μg/m3 (14) 9.0 μg/m3 (38) 38.0
 
Feb. 9, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A 13.1 μg/m3 (13) 11.0 μg/m3 (46) 46.0
 
Feb. 9, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A 18.0 μg/m3 (17) 11.0 μg/m3 (46) 46.0
 
Feb. 9, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A 19.7 μg/m3 (19) 14.0 μg/m3 (55) 55.0
 
Feb. 9, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A 22.9 μg/m3 (22) 14.0 μg/m3 (55) 55.0
 
Feb. 9, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 21.0 μg/m3 (20) 9.0 μg/m3 (38) 38.0
 
Feb. 9, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A 14.2 μg/m3 (14) 11.0 μg/m3 (46) 46.0
 
Feb. 9, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A 20.7 μg/m3 (20) 8.0 μg/m3 (34) 34.0
 
Feb. 9, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A 17.2 μg/m3 (16) 12.0 μg/m3 (50) 50.0
 
Feb. 9, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A 16.4 μg/m3 (16) 12.0 μg/m3 (50) 50.0
 
Feb. 9, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A 21.2 μg/m3 (20) 11.0 μg/m3 (46) 46.0
 
Feb. 9, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A 23.2 μg/m3 (22) 11.0 μg/m3 (46) 46.0
 
Feb. 9, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A 18.3 μg/m3 (17) 10.0 μg/m3 (42) 42.0
 
Feb. 9, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A 21.0 μg/m3 (20) 11.0 μg/m3 (46) 46.0
 
Feb. 9, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A 25.7 μg/m3 (24) 7.0 μg/m3 (30) 34.0
 
Feb. 9, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A 28.5 μg/m3 (27) 9.0 μg/m3 (38) 38.0
 
Feb. 9, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A 28.1 μg/m3 (27) 14.0 μg/m3 (55) 55.0
 
Feb. 9, 2021, midnight N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A 24.1 μg/m3 (23) 9.0 μg/m3 (38) 38.0
 
Feb. 8, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A 28.8 μg/m3 (27) 11.0 μg/m3 (46) 46.0
 
Feb. 8, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A 24.1 μg/m3 (23) 9.0 μg/m3 (38) 38.0
 
Feb. 8, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A 29.7 μg/m3 (28) 12.0 μg/m3 (50) 50.0
 
Feb. 8, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A 20.8 μg/m3 (20) 12.0 μg/m3 (50) 50.0
 
Feb. 8, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A 16.2 μg/m3 (15) 4.0 μg/m3 (17) 24.0
 
Feb. 8, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (19) N/A 11.6 μg/m3 (11) 5.0 μg/m3 (21) 21.0
 
Feb. 8, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (16) N/A 7.9 μg/m3 (8) 9.0 μg/m3 (38) 38.0
 
Feb. 8, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (7) N/A 7.3 μg/m3 (7) 2.0 μg/m3 (9) 9.0
 
Feb. 8, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (7) N/A 7.9 μg/m3 (8) 3.0 μg/m3 (13) 13.0
 
Feb. 8, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (10) N/A 5.9 μg/m3 (6) 5.0 μg/m3 (21) 21.0
 
Feb. 8, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (13) N/A 4.6 μg/m3 (5) 6.0 μg/m3 (25) 25.0
 
Feb. 8, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (4) 7.0 μg/m3 (30) 30.0
 
Feb. 8, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (12) N/A 3.9 μg/m3 (4) 8.0 μg/m3 (34) 34.0
 
Feb. 8, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (15) N/A 5.8 μg/m3 (6) 6.0 μg/m3 (25) 25.0
 
Feb. 8, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A 3.9 μg/m3 (4) 7.0 μg/m3 (30) 30.0
 
Feb. 8, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A 4.7 μg/m3 (5) 5.0 μg/m3 (21) 23.0
 
Feb. 8, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A 7.0 μg/m3 (7) 8.0 μg/m3 (34) 34.0
 
Feb. 8, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A 12.2 μg/m3 (12) 8.0 μg/m3 (34) 34.0
 
Feb. 8, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) N/A 22.9 μg/m3 (22) 8.0 μg/m3 (34) 34.0
 
Feb. 8, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A 23.7 μg/m3 (22) 10.0 μg/m3 (42) 42.0
 
Feb. 8, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A 30.4 μg/m3 (29) 10.0 μg/m3 (42) 42.0
 
Feb. 8, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A 32.2 μg/m3 (30) 15.0 μg/m3 (58) 58.0
 
Feb. 8, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A 26.3 μg/m3 (25) 12.0 μg/m3 (50) 50.0
 
Feb. 8, 2021, midnight N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A 25.3 μg/m3 (24) 11.0 μg/m3 (46) 46.0
 
Feb. 7, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A 30.4 μg/m3 (29) 12.0 μg/m3 (50) 50.0
 
Feb. 7, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A 30.8 μg/m3 (29) 12.0 μg/m3 (50) 50.0
 
Feb. 7, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A 22.1 μg/m3 (21) 8.0 μg/m3 (34) 34.0
 
Feb. 7, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A 19.7 μg/m3 (19) 7.0 μg/m3 (30) 30.0
 
Feb. 7, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A 20.1 μg/m3 (19) 3.0 μg/m3 (13) 29.0
 
Feb. 7, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A 12.5 μg/m3 (12) 3.0 μg/m3 (13) 24.0
 
Feb. 7, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A 10.9 μg/m3 (11) 3.0 μg/m3 (13) 21.0
 
Feb. 7, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (16) N/A 11.2 μg/m3 (11) 2.0 μg/m3 (9) 16.0
 
Feb. 7, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (13) N/A 10.0 μg/m3 (10) 4.0 μg/m3 (17) 17.0
 
Feb. 7, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (17) N/A 14.1 μg/m3 (14) 6.0 μg/m3 (25) 25.0
 
Feb. 7, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (16) N/A 8.2 μg/m3 (8) 7.0 μg/m3 (30) 30.0
 
Feb. 7, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 9.1 μg/m3 (9) 11.0 μg/m3 (46) 46.0
 
Feb. 7, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (11) N/A 9.2 μg/m3 (9) 11.0 μg/m3 (46) 46.0
 
Feb. 7, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (9) N/A 10.3 μg/m3 (10) 4.0 μg/m3 (17) 17.0
 
Feb. 7, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (10) N/A 11.5 μg/m3 (11) 7.0 μg/m3 (30) 30.0
 
Feb. 7, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (12) N/A 17.5 μg/m3 (17) 8.0 μg/m3 (34) 34.0
 
Feb. 7, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (11) N/A 10.1 μg/m3 (10) 8.0 μg/m3 (34) 34.0
 
Feb. 7, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (9) N/A 23.2 μg/m3 (22) 10.0 μg/m3 (42) 42.0
 
Feb. 7, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (8) N/A 32.5 μg/m3 (31) 14.0 μg/m3 (55) 55.0
 
Feb. 7, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (15) N/A 41.3 μg/m3 (39) 14.0 μg/m3 (55) 55.0
 
Feb. 7, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A 43.9 μg/m3 (41) 18.0 μg/m3 (64) 64.0
 
Feb. 7, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A 45.8 μg/m3 (43) 13.0 μg/m3 (53) 53.0
 
Feb. 7, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A 34.7 μg/m3 (33) 15.0 μg/m3 (58) 58.0
 
Feb. 7, 2021, midnight N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A 29.5 μg/m3 (28) 7.0 μg/m3 (30) 34.0
 
Feb. 6, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A 20.5 μg/m3 (19) 6.0 μg/m3 (25) 34.0
 
Feb. 6, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A 41.7 μg/m3 (39) 7.0 μg/m3 (30) 39.0
 
Feb. 6, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A 20.3 μg/m3 (19) 3.0 μg/m3 (13) 38.0
 
Feb. 6, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A 14.3 μg/m3 (14) 3.0 μg/m3 (13) 37.0
 
Feb. 6, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A 5.5 μg/m3 (6) 5.0 μg/m3 (21) 33.0
 
Feb. 6, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A 22.4 μg/m3 (21) 4.0 μg/m3 (17) 25.0
 
Feb. 6, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (19) N/A 11.9 μg/m3 (12) 1.0 μg/m3 (5) 19.0
 
Feb. 6, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (12) N/A 12.7 μg/m3 (12) 3.0 μg/m3 (13) 13.0
 
Feb. 6, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (10) N/A 10.5 μg/m3 (10) 5.0 μg/m3 (21) 21.0
 
Feb. 6, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (10) N/A 6.2 μg/m3 (6) 6.0 μg/m3 (25) 25.0
 
Feb. 6, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (14) N/A 8.1 μg/m3 (8) 6.0 μg/m3 (25) 25.0
 
Feb. 6, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 9.3 μg/m3 (9) 5.0 μg/m3 (21) 21.0
 
Feb. 6, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A 9.5 μg/m3 (9) 7.0 μg/m3 (30) 38.0
 
Feb. 6, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A 7.3 μg/m3 (7) 9.0 μg/m3 (38) 38.0
 
Feb. 6, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A 16.8 μg/m3 (16) 12.0 μg/m3 (50) 50.0
 
Feb. 6, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A 17.2 μg/m3 (16) 7.0 μg/m3 (30) 36.0
 
Feb. 6, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A 22.5 μg/m3 (21) 6.0 μg/m3 (25) 25.0
 
Feb. 6, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (13) N/A 33.0 μg/m3 (31) 10.0 μg/m3 (42) 42.0
 
Feb. 6, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (14) N/A 35.0 μg/m3 (33) 10.0 μg/m3 (42) 42.0
 
Feb. 6, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (17) N/A 44.3 μg/m3 (42) 9.0 μg/m3 (38) 42.0
 
Feb. 6, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A 34.9 μg/m3 (33) 7.0 μg/m3 (30) 33.0
 
Feb. 6, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A 41.1 μg/m3 (39) 7.0 μg/m3 (30) 39.0
 
Feb. 6, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A 61.4 μg/m3 (55) 10.0 μg/m3 (42) 55.0
 
Feb. 6, 2021, midnight N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A 55.9 μg/m3 (52) 9.0 μg/m3 (38) 52.0
 
Feb. 5, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A 36.2 μg/m3 (34) 5.0 μg/m3 (21) 36.0
 
Feb. 5, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A 29.0 μg/m3 (27) 4.0 μg/m3 (17) 38.0
 
Feb. 5, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A 53.1 μg/m3 (50) 5.0 μg/m3 (21) 50.0
 
Feb. 5, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A 24.1 μg/m3 (23) 8.0 μg/m3 (34) 34.0
 
Feb. 5, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A 29.2 μg/m3 (28) 6.0 μg/m3 (25) 28.0
 
Feb. 5, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A 28.0 μg/m3 (26) 6.0 μg/m3 (25) 26.0
 
Feb. 5, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (19) N/A 22.1 μg/m3 (21) 7.0 μg/m3 (30) 30.0
 
Feb. 5, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (13) N/A 18.2 μg/m3 (17) 6.0 μg/m3 (25) 25.0
 
Feb. 5, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (6) N/A 18.9 μg/m3 (18) 7.0 μg/m3 (30) 30.0
 
Feb. 5, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (8) N/A 9.8 μg/m3 (10) 6.0 μg/m3 (25) 25.0
 
Feb. 5, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A 6.2 μg/m3 (6) 2.0 μg/m3 (9) 20.0
 
Feb. 5, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 8.3 μg/m3 (8) 4.0 μg/m3 (17) 17.0
 
Feb. 5, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (13) N/A 4.3 μg/m3 (4) 4.0 μg/m3 (17) 17.0
 
Feb. 5, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (13) N/A 6.9 μg/m3 (7) 6.0 μg/m3 (25) 25.0
 
Feb. 5, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (12) N/A 7.9 μg/m3 (8) 4.0 μg/m3 (17) 17.0
 
Feb. 5, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (11) N/A 11.8 μg/m3 (11) 5.0 μg/m3 (21) 21.0
 
Feb. 5, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (12) N/A 19.2 μg/m3 (18) 6.0 μg/m3 (25) 25.0
 
Feb. 5, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (13) N/A 18.2 μg/m3 (17) 6.0 μg/m3 (25) 25.0
 
Feb. 5, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (13) N/A 22.3 μg/m3 (21) 8.0 μg/m3 (34) 34.0
 
Feb. 5, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A 17.1 μg/m3 (16) 8.0 μg/m3 (34) 34.0
 
Feb. 5, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A 32.2 μg/m3 (30) 9.0 μg/m3 (38) 38.0
 
Feb. 5, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A 27.0 μg/m3 (25) 6.0 μg/m3 (25) 25.0
 
Feb. 5, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A 24.9 μg/m3 (24) 6.0 μg/m3 (25) 31.0
 
Feb. 5, 2021, midnight N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A 37.9 μg/m3 (36) 7.0 μg/m3 (30) 36.0
 
Feb. 4, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A 42.2 μg/m3 (40) 5.0 μg/m3 (21) 40.0
 
Feb. 4, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A 42.2 μg/m3 (40) 6.0 μg/m3 (25) 40.0
 
Feb. 4, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A 6.8 μg/m3 (7) 4.0 μg/m3 (17) 35.0
 
Feb. 4, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A 8.4 μg/m3 (8) 2.0 μg/m3 (9) 34.0
 
Feb. 4, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A 9.6 μg/m3 (9) 3.0 μg/m3 (13) 33.0
 
Feb. 4, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A N/A 32.0
 
Feb. 4, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A 12.3 μg/m3 (12) 5.0 μg/m3 (21) 32.0
 
Feb. 4, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A 9.4 μg/m3 (9) 7.0 μg/m3 (30) 33.0
 
Feb. 4, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A 10.3 μg/m3 (10) 6.0 μg/m3 (25) 33.0
 
Feb. 4, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A 13.3 μg/m3 (13) 8.0 μg/m3 (34) 34.0
 
Feb. 4, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A 11.7 μg/m3 (11) 6.0 μg/m3 (25) 31.0