ID: 174

AQSQID: 060610006

Site Name: Roseville - N.Sunrise/Douglas

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

Updated: Sept. 25, 2020, 8:39 a.m.

Location: Roseville (Lead Hill), CA

Reporting: True, Located: True

Current AQI: 23.0

Roseville (Lead Hill) CA, US: 38.74643, -121.26498

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Sept. 25, 2020, 7 a.m. 1.5 ppb (1) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 30.0 ppb (23) N/A 12.2 μg/m3 (11) 1.0 μg/m3 (4) 23.0
 
Sept. 25, 2020, 6 a.m. 1.7 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 30.0 ppb (23) N/A 10.9 μg/m3 (10) 3.0 μg/m3 (12) 23.0
 
Sept. 25, 2020, 5 a.m. 1.7 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 30.0 ppb (23) N/A 15.2 μg/m3 (14) 5.0 μg/m3 (21) 23.0
 
Sept. 25, 2020, 4 a.m. 1.9 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 30.0 ppb (23) N/A 21.0 μg/m3 (19) 3.0 μg/m3 (12) 23.0
 
Sept. 25, 2020, 3 a.m. 2.2 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 31.0 ppb (24) N/A 28.7 μg/m3 (26) 1.0 μg/m3 (4) 26.0
 
Sept. 25, 2020, 2 a.m. 2.7 ppb (3) 0.1 ppb (0) N/A 3.0 ppb (3) N/A N/A 31.0 ppb (24) N/A 40.0 μg/m3 (36) 1.0 μg/m3 (4) 36.0
 
Sept. 25, 2020, 1 a.m. 3.7 ppb (3) 0.3 ppb (0) N/A 3.0 ppb (3) N/A N/A 31.0 ppb (24) N/A 28.3 μg/m3 (26) 4.0 μg/m3 (17) 26.0
 
Sept. 25, 2020, midnight 3.5 ppb (3) 0.5 ppb (0) N/A 3.0 ppb (3) N/A N/A 36.0 ppb (28) N/A 12.1 μg/m3 (11) 6.0 μg/m3 (25) 28.0
 
Sept. 24, 2020, 11 p.m. 5.0 ppb (5) 0.8 ppb (1) N/A 4.0 ppb (4) N/A N/A 44.0 ppb (34) N/A 23.4 μg/m3 (21) 8.0 μg/m3 (33) 34.0
 
Sept. 24, 2020, 10 p.m. 5.0 ppb (5) 0.7 ppb (1) N/A 4.0 ppb (4) N/A N/A 49.0 ppb (38) N/A 29.7 μg/m3 (27) 9.0 μg/m3 (38) 38.0
 
Sept. 24, 2020, 9 p.m. 4.0 ppb (4) 0.8 ppb (1) N/A 3.0 ppb (3) N/A N/A 44.0 ppb (34) N/A 30.4 μg/m3 (28) 9.0 μg/m3 (38) 38.0
 
Sept. 24, 2020, 8 p.m. 3.8 ppb (4) 0.9 ppb (1) N/A 3.0 ppb (3) N/A N/A 38.0 ppb (29) N/A 24.6 μg/m3 (22) 9.0 μg/m3 (38) 38.0
 
Sept. 24, 2020, 7 p.m. 5.0 ppb (5) 1.4 ppb (1) N/A 4.0 ppb (4) N/A N/A 33.0 ppb (25) N/A 20.0 μg/m3 (18) 5.0 μg/m3 (21) 25.0
 
Sept. 24, 2020, 6 p.m. 3.9 ppb (4) 1.4 ppb (1) N/A 3.0 ppb (3) N/A N/A 26.0 ppb (20) N/A 10.2 μg/m3 (9) 3.0 μg/m3 (12) 20.0
 
Sept. 24, 2020, 5 p.m. 3.8 ppb (4) 1.5 ppb (1) N/A 2.0 ppb (2) N/A N/A 21.0 ppb (16) N/A 7.0 μg/m3 (6) 1.0 μg/m3 (4) 16.0
 
Sept. 24, 2020, 4 p.m. 4.5 ppb (4) 1.9 ppb (2) N/A 3.0 ppb (3) N/A N/A 16.0 ppb (12) N/A 6.5 μg/m3 (6) 3.0 μg/m3 (12) 12.0
 
Sept. 24, 2020, 3 p.m. 5.2 ppb (5) 1.9 ppb (2) N/A 3.0 ppb (3) N/A N/A 13.0 ppb (10) N/A 7.7 μg/m3 (7) 4.0 μg/m3 (17) 17.0
 
Sept. 24, 2020, 2 p.m. 4.6 ppb (4) 1.0 ppb (1) N/A 4.0 ppb (4) N/A N/A 12.0 ppb (9) N/A 6.2 μg/m3 (6) 2.0 μg/m3 (8) 9.0
 
Sept. 24, 2020, 1 p.m. 3.9 ppb (4) 0.5 ppb (0) N/A 3.0 ppb (3) N/A N/A 11.0 ppb (8) N/A 5.8 μg/m3 (5) 1.0 μg/m3 (4) 8.0
 
Sept. 24, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 5.8 μg/m3 (5) 1.0 μg/m3 (4) 5.0
 
Sept. 24, 2020, 11 a.m. 2.0 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 15.0 ppb (12) N/A 9.8 μg/m3 (9) 2.0 μg/m3 (8) 12.0
 
Sept. 24, 2020, 10 a.m. 1.9 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 16.0 ppb (12) N/A 11.0 μg/m3 (10) 3.0 μg/m3 (12) 12.0
 
Sept. 24, 2020, 9 a.m. 2.0 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 16.0 ppb (12) N/A 9.0 μg/m3 (8) 4.0 μg/m3 (17) 17.0
 
Sept. 24, 2020, 8 a.m. 2.1 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 16.0 ppb (12) N/A 15.0 μg/m3 (14) 6.0 μg/m3 (25) 25.0
 
Sept. 24, 2020, 7 a.m. 1.8 ppb (2) 0.1 ppb (0) N/A 2.0 ppb (2) N/A N/A 16.0 ppb (12) N/A 10.0 μg/m3 (9) 5.0 μg/m3 (21) 21.0
 
Sept. 24, 2020, 6 a.m. 2.0 ppb (2) 0.1 ppb (0) N/A 2.0 ppb (2) N/A N/A 17.0 ppb (13) N/A 16.0 μg/m3 (15) 2.0 μg/m3 (8) 15.0
 
Sept. 24, 2020, 5 a.m. 1.9 ppb (2) 0.1 ppb (0) N/A 2.0 ppb (2) N/A N/A 17.0 ppb (13) N/A 12.0 μg/m3 (11) 1.0 μg/m3 (4) 13.0
 
Sept. 24, 2020, 4 a.m. 2.8 ppb (3) 0.1 ppb (0) N/A 3.0 ppb (3) N/A N/A 16.0 ppb (12) N/A 19.0 μg/m3 (17) 5.0 μg/m3 (21) 21.0
 
Sept. 24, 2020, 3 a.m. 4.3 ppb (4) 0.2 ppb (0) N/A 4.0 ppb (4) N/A N/A 18.0 ppb (14) N/A 25.0 μg/m3 (23) 7.0 μg/m3 (29) 29.0
 
Sept. 24, 2020, 2 a.m. 4.4 ppb (4) 0.3 ppb (0) N/A 4.0 ppb (4) N/A N/A 20.0 ppb (15) N/A 33.0 μg/m3 (30) 3.0 μg/m3 (12) 30.0
 
Sept. 24, 2020, 1 a.m. 4.1 ppb (4) 0.2 ppb (0) N/A 4.0 ppb (4) N/A N/A 34.0 ppb (26) N/A 18.0 μg/m3 (16) 5.0 μg/m3 (21) 26.0
 
Sept. 24, 2020, midnight 4.2 ppb (4) 0.3 ppb (0) N/A 4.0 ppb (4) N/A N/A 43.0 ppb (33) N/A 29.0 μg/m3 (26) 10.0 μg/m3 (42) 42.0
 
Sept. 23, 2020, 11 p.m. 4.6 ppb (4) 0.4 ppb (0) N/A 4.0 ppb (4) N/A N/A 50.0 ppb (38) N/A 28.0 μg/m3 (25) 13.0 μg/m3 (52) 52.0
 
Sept. 23, 2020, 10 p.m. 4.9 ppb (5) 0.4 ppb (0) N/A 5.0 ppb (5) N/A N/A 54.0 ppb (42) N/A 30.0 μg/m3 (27) 18.0 μg/m3 (63) 63.0
 
Sept. 23, 2020, 9 p.m. 6.0 ppb (6) 0.6 ppb (1) N/A 5.0 ppb (5) N/A N/A 56.0 ppb (43) N/A 36.0 μg/m3 (33) 16.0 μg/m3 (59) 59.0
 
Sept. 23, 2020, 8 p.m. 5.5 ppb (5) 0.7 ppb (1) N/A 5.0 ppb (5) N/A N/A 50.0 ppb (38) N/A 30.0 μg/m3 (27) 14.0 μg/m3 (54) 54.0
 
Sept. 23, 2020, 7 p.m. 5.8 ppb (5) 0.8 ppb (1) N/A 5.0 ppb (5) N/A N/A 44.0 ppb (34) N/A 22.0 μg/m3 (20) 5.0 μg/m3 (21) 34.0
 
Sept. 23, 2020, 6 p.m. 4.3 ppb (4) 0.8 ppb (1) N/A 4.0 ppb (4) N/A N/A 38.0 ppb (29) N/A 19.0 μg/m3 (17) 1.0 μg/m3 (4) 29.0
 
Sept. 23, 2020, 5 p.m. 4.1 ppb (4) 0.9 ppb (1) N/A 3.0 ppb (3) N/A N/A 33.0 ppb (25) N/A 15.0 μg/m3 (14) 3.0 μg/m3 (12) 25.0
 
Sept. 23, 2020, 4 p.m. 5.8 ppb (5) 1.3 ppb (1) N/A 5.0 ppb (5) N/A N/A 27.0 ppb (21) N/A 17.0 μg/m3 (15) 5.0 μg/m3 (21) 21.0
 
Sept. 23, 2020, 3 p.m. 9.5 ppb (9) 2.3 ppb (2) N/A 7.0 ppb (6) N/A N/A 21.0 ppb (16) N/A 17.0 μg/m3 (15) 6.0 μg/m3 (25) 25.0
 
Sept. 23, 2020, 2 p.m. 10.2 ppb (9) 1.2 ppb (1) N/A 9.0 ppb (8) N/A N/A 17.0 ppb (13) N/A 17.0 μg/m3 (15) 4.0 μg/m3 (17) 17.0
 
Sept. 23, 2020, 1 p.m. 9.0 ppb (8) 0.5 ppb (0) N/A 9.0 ppb (8) N/A N/A 15.0 ppb (12) N/A 18.0 μg/m3 (16) 4.0 μg/m3 (17) 17.0
 
Sept. 23, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (9) 1.0 μg/m3 (4) 9.0
 
Sept. 23, 2020, 11 a.m. 3.0 ppb (3) 0.1 ppb (0) N/A 3.0 ppb (3) N/A N/A 25.0 ppb (19) N/A 10.0 μg/m3 (9) 2.0 μg/m3 (8) 19.0
 
Sept. 23, 2020, 10 a.m. 2.6 ppb (2) 0.1 ppb (0) N/A 3.0 ppb (3) N/A N/A 25.0 ppb (19) N/A 15.0 μg/m3 (14) 2.0 μg/m3 (8) 19.0
 
Sept. 23, 2020, 9 a.m. 2.5 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 25.0 ppb (19) N/A 12.0 μg/m3 (11) 0.0 μg/m3 (0) 19.0
 
Sept. 23, 2020, 8 a.m. 2.5 ppb (2) 0.0 ppb (0) N/A 3.0 ppb (3) N/A N/A 25.0 ppb (19) N/A 13.0 μg/m3 (12) -1.0 μg/m3 (0) 19.0
 
Sept. 23, 2020, 7 a.m. 2.3 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 27.0 ppb (21) N/A 13.0 μg/m3 (12) 0.0 μg/m3 (0) 21.0
 
Sept. 23, 2020, 6 a.m. 3.0 ppb (3) 0.2 ppb (0) N/A 3.0 ppb (3) N/A N/A 27.0 ppb (21) N/A 12.0 μg/m3 (11) 2.0 μg/m3 (8) 21.0
 
Sept. 23, 2020, 5 a.m. 3.2 ppb (3) 0.1 ppb (0) N/A 3.0 ppb (3) N/A N/A 27.0 ppb (21) N/A 21.0 μg/m3 (19) 0.0 μg/m3 (0) 21.0
 
Sept. 23, 2020, 4 a.m. 4.8 ppb (4) 0.2 ppb (0) N/A 5.0 ppb (5) N/A N/A 26.0 ppb (20) N/A 21.0 μg/m3 (19) 3.0 μg/m3 (12) 20.0
 
Sept. 23, 2020, 3 a.m. 4.7 ppb (4) 0.1 ppb (0) N/A 5.0 ppb (5) N/A N/A 30.0 ppb (23) N/A 28.0 μg/m3 (25) 5.0 μg/m3 (21) 25.0
 
Sept. 23, 2020, 2 a.m. 4.7 ppb (4) 0.0 ppb (0) N/A 5.0 ppb (5) N/A N/A 37.0 ppb (28) N/A 27.0 μg/m3 (25) 3.0 μg/m3 (12) 28.0
 
Sept. 23, 2020, 1 a.m. 4.0 ppb (4) 0.1 ppb (0) N/A 4.0 ppb (4) N/A N/A 48.0 ppb (37) N/A 20.0 μg/m3 (18) 2.0 μg/m3 (8) 37.0
 
Sept. 23, 2020, midnight 4.1 ppb (4) 0.3 ppb (0) N/A 4.0 ppb (4) N/A N/A 51.0 ppb (39) N/A 12.0 μg/m3 (11) 3.0 μg/m3 (12) 39.0
 
Sept. 22, 2020, 11 p.m. 3.8 ppb (4) 0.4 ppb (0) N/A 3.0 ppb (3) N/A N/A 51.0 ppb (39) N/A 18.0 μg/m3 (16) 2.0 μg/m3 (8) 39.0
 
Sept. 22, 2020, 10 p.m. 3.9 ppb (4) 0.6 ppb (1) N/A 3.0 ppb (3) N/A N/A 48.0 ppb (37) N/A 21.0 μg/m3 (19) 3.0 μg/m3 (12) 37.0
 
Sept. 22, 2020, 9 p.m. 3.8 ppb (4) 0.8 ppb (1) N/A 3.0 ppb (3) N/A N/A 43.0 ppb (33) N/A 16.0 μg/m3 (15) 2.0 μg/m3 (8) 33.0
 
Sept. 22, 2020, 8 p.m. 3.8 ppb (4) 0.9 ppb (1) N/A 3.0 ppb (3) N/A N/A 39.0 ppb (30) N/A 15.0 μg/m3 (14) 3.0 μg/m3 (12) 30.0
 
Sept. 22, 2020, 7 p.m. 4.7 ppb (4) 1.2 ppb (1) N/A 4.0 ppb (4) N/A N/A 36.0 ppb (28) N/A 22.0 μg/m3 (20) 3.0 μg/m3 (12) 28.0
 
Sept. 22, 2020, 6 p.m. 5.0 ppb (5) 1.4 ppb (1) N/A 4.0 ppb (4) N/A N/A 30.0 ppb (23) N/A 17.0 μg/m3 (15) 4.0 μg/m3 (17) 23.0
 
Sept. 22, 2020, 5 p.m. 5.3 ppb (5) 1.7 ppb (2) N/A 4.0 ppb (4) N/A N/A 26.0 ppb (20) N/A 21.0 μg/m3 (19) 5.0 μg/m3 (21) 21.0
 
Sept. 22, 2020, 4 p.m. 5.1 ppb (5) 1.6 ppb (1) N/A 4.0 ppb (4) N/A N/A 23.0 ppb (18) N/A 18.0 μg/m3 (16) 7.0 μg/m3 (29) 29.0
 
Sept. 22, 2020, 3 p.m. 4.9 ppb (5) 1.4 ppb (1) N/A 4.0 ppb (4) N/A N/A 20.0 ppb (15) N/A 18.0 μg/m3 (16) 10.0 μg/m3 (42) 42.0
 
Sept. 22, 2020, 2 p.m. 5.2 ppb (5) 0.8 ppb (1) N/A 5.0 ppb (5) N/A N/A 18.0 ppb (14) N/A 22.0 μg/m3 (20) 9.0 μg/m3 (38) 38.0
 
Sept. 22, 2020, 1 p.m. 6.5 ppb (6) 0.7 ppb (1) N/A 6.0 ppb (6) N/A N/A 16.0 ppb (12) N/A 19.0 μg/m3 (17) 6.0 μg/m3 (25) 25.0
 
Sept. 22, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) 7.0 μg/m3 (29) 29.0
 
Sept. 22, 2020, 11 a.m. 2.8 ppb (3) 0.1 ppb (0) N/A 3.0 ppb (3) N/A N/A 22.0 ppb (17) N/A 20.0 μg/m3 (18) 8.0 μg/m3 (33) 33.0
 
Sept. 22, 2020, 10 a.m. 2.7 ppb (3) 0.1 ppb (0) N/A 3.0 ppb (3) N/A N/A 21.0 ppb (16) N/A 16.0 μg/m3 (15) 9.0 μg/m3 (38) 38.0
 
Sept. 22, 2020, 9 a.m. 3.2 ppb (3) 0.1 ppb (0) N/A 3.0 ppb (3) N/A N/A 22.0 ppb (17) N/A 19.0 μg/m3 (17) 8.0 μg/m3 (33) 33.0
 
Sept. 22, 2020, 8 a.m. 3.0 ppb (3) 0.1 ppb (0) N/A 3.0 ppb (3) N/A N/A 21.0 ppb (16) N/A 12.0 μg/m3 (11) 9.0 μg/m3 (38) 38.0
 
Sept. 22, 2020, 7 a.m. 3.4 ppb (3) 0.1 ppb (0) N/A 3.0 ppb (3) N/A N/A 22.0 ppb (17) N/A 24.0 μg/m3 (22) 5.0 μg/m3 (21) 22.0
 
Sept. 22, 2020, 6 a.m. 3.4 ppb (3) 0.1 ppb (0) N/A 3.0 ppb (3) N/A N/A 24.0 ppb (18) N/A 22.0 μg/m3 (20) 15.0 μg/m3 (56) 56.0
 
Sept. 22, 2020, 5 a.m. 4.9 ppb (5) 0.3 ppb (0) N/A 5.0 ppb (5) N/A N/A 27.0 ppb (21) N/A 40.0 μg/m3 (36) 17.0 μg/m3 (61) 61.0
 
Sept. 22, 2020, 4 a.m. 4.7 ppb (4) 0.1 ppb (0) N/A 5.0 ppb (5) N/A N/A 34.0 ppb (26) N/A 42.0 μg/m3 (38) 27.0 μg/m3 (82) 82.0
 
Sept. 22, 2020, 3 a.m. 6.7 ppb (6) 0.2 ppb (0) N/A 7.0 ppb (6) N/A N/A 44.0 ppb (34) N/A 48.0 μg/m3 (44) 29.0 μg/m3 (86) 86.0
 
Sept. 22, 2020, 2 a.m. 7.4 ppb (7) 0.1 ppb (0) N/A 7.0 ppb (6) N/A N/A 57.0 ppb (44) N/A 48.0 μg/m3 (44) 29.0 μg/m3 (86) 86.0
 
Sept. 22, 2020, 1 a.m. 5.0 ppb (5) 0.1 ppb (0) N/A 5.0 ppb (5) N/A N/A 63.0 ppb (48) N/A 43.0 μg/m3 (39) 32.0 μg/m3 (93) 93.0
 
Sept. 22, 2020, midnight 4.3 ppb (4) 0.2 ppb (0) N/A 4.0 ppb (4) N/A N/A 62.0 ppb (48) N/A 48.0 μg/m3 (44) 33.0 μg/m3 (95) 95.0
 
Sept. 21, 2020, 11 p.m. 4.5 ppb (4) 0.4 ppb (0) N/A 4.0 ppb (4) N/A N/A 68.0 ppb (52) N/A 56.0 μg/m3 (50) 37.0 μg/m3 (104) 104.0
 
Sept. 21, 2020, 10 p.m. 5.5 ppb (5) 0.6 ppb (1) N/A 5.0 ppb (5) N/A N/A 68.0 ppb (52) N/A 54.0 μg/m3 (49) 29.0 μg/m3 (86) 86.0
 
Sept. 21, 2020, 9 p.m. 4.5 ppb (4) 0.6 ppb (1) N/A 4.0 ppb (4) N/A N/A 65.0 ppb (50) N/A 50.0 μg/m3 (45) 29.0 μg/m3 (86) 86.0
 
Sept. 21, 2020, 8 p.m. 5.3 ppb (5) 0.8 ppb (1) N/A 5.0 ppb (5) N/A N/A 60.0 ppb (46) N/A 46.0 μg/m3 (42) 30.0 μg/m3 (88) 88.0
 
Sept. 21, 2020, 7 p.m. 4.9 ppb (5) 0.8 ppb (1) N/A 4.0 ppb (4) N/A N/A 57.0 ppb (44) N/A 44.0 μg/m3 (40) 27.0 μg/m3 (82) 82.0
 
Sept. 21, 2020, 6 p.m. 5.7 ppb (5) 0.9 ppb (1) N/A 5.0 ppb (5) N/A N/A 51.0 ppb (39) N/A 46.0 μg/m3 (42) 29.0 μg/m3 (86) 86.0
 
Sept. 21, 2020, 5 p.m. 5.7 ppb (5) 1.0 ppb (1) N/A 5.0 ppb (5) N/A N/A 43.0 ppb (33) N/A 47.0 μg/m3 (43) 31.0 μg/m3 (90) 90.0
 
Sept. 21, 2020, 4 p.m. 6.7 ppb (6) 1.2 ppb (1) N/A 6.0 ppb (6) N/A N/A 32.0 ppb (25) N/A 55.0 μg/m3 (50) 37.0 μg/m3 (104) 104.0
 
Sept. 21, 2020, 3 p.m. 8.0 ppb (7) 1.1 ppb (1) N/A 7.0 ppb (6) N/A N/A 27.0 ppb (21) N/A 49.0 μg/m3 (45) 37.0 μg/m3 (104) 104.0
 
Sept. 21, 2020, 2 p.m. 5.5 ppb (5) 0.4 ppb (0) N/A 5.0 ppb (5) N/A N/A 28.0 ppb (22) N/A 46.0 μg/m3 (42) 38.0 μg/m3 (106) 106.0
 
Sept. 21, 2020, 1 p.m. 6.4 ppb (6) 0.3 ppb (0) N/A 6.0 ppb (6) N/A N/A 25.0 ppb (19) N/A 44.0 μg/m3 (40) 36.0 μg/m3 (101) 101.0
 
Sept. 21, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 39.0 μg/m3 (35) 33.0 μg/m3 (95) 95.0
 
Sept. 21, 2020, 11 a.m. 4.2 ppb (4) 0.2 ppb (0) N/A 4.0 ppb (4) N/A N/A 28.0 ppb (22) N/A 43.0 μg/m3 (39) 33.0 μg/m3 (95) 95.0
 
Sept. 21, 2020, 10 a.m. 3.8 ppb (4) 0.2 ppb (0) N/A 4.0 ppb (4) N/A N/A 30.0 ppb (23) N/A 41.0 μg/m3 (37) 32.0 μg/m3 (93) 93.0
 
Sept. 21, 2020, 9 a.m. 4.5 ppb (4) 0.3 ppb (0) N/A 4.0 ppb (4) N/A N/A 31.0 ppb (24) N/A 42.0 μg/m3 (38) 37.0 μg/m3 (104) 104.0
 
Sept. 21, 2020, 8 a.m. 5.1 ppb (5) 0.3 ppb (0) N/A 5.0 ppb (5) N/A N/A 33.0 ppb (25) N/A 50.0 μg/m3 (45) 40.0 μg/m3 (111) 111.0
 
Sept. 21, 2020, 7 a.m. 4.4 ppb (4) 0.2 ppb (0) N/A 4.0 ppb (4) N/A N/A 40.0 ppb (31) N/A 57.0 μg/m3 (51) 44.0 μg/m3 (121) 121.0
 
Sept. 21, 2020, 6 a.m. 6.2 ppb (6) 0.2 ppb (0) N/A 6.0 ppb (6) N/A N/A 42.0 ppb (32) N/A 67.0 μg/m3 (56) 52.0 μg/m3 (141) 141.0
 
Sept. 21, 2020, 5 a.m. 5.8 ppb (5) 0.3 ppb (0) N/A 6.0 ppb (6) N/A N/A 44.0 ppb (34) N/A 73.0 μg/m3 (59) 54.0 μg/m3 (146) 146.0
 
Sept. 21, 2020, 4 a.m. 11.1 ppb (10) 0.5 ppb (0) N/A 11.0 ppb (10) N/A N/A 35.0 ppb (27) N/A 91.0 μg/m3 (68) 67.0 μg/m3 (156) 156.0
 
Sept. 21, 2020, 3 a.m. 17.2 ppb (16) 0.8 ppb (1) N/A 16.0 ppb (15) N/A N/A 23.0 ppb (18) N/A 132.0 μg/m3 (88) 98.0 μg/m3 (172) 172.0
 
Sept. 21, 2020, 2 a.m. 12.2 ppb (11) 0.4 ppb (0) N/A 12.0 ppb (11) N/A N/A 37.0 ppb (28) N/A 119.0 μg/m3 (82) 93.0 μg/m3 (170) 170.0
 
Sept. 21, 2020, 1 a.m. 5.3 ppb (5) 0.1 ppb (0) N/A 5.0 ppb (5) N/A N/A 53.0 ppb (41) N/A 108.0 μg/m3 (76) 88.0 μg/m3 (167) 167.0
 
Sept. 21, 2020, midnight 3.6 ppb (3) 0.2 ppb (0) N/A 4.0 ppb (4) N/A N/A 56.0 ppb (43) N/A 75.0 μg/m3 (60) 58.0 μg/m3 (151) 151.0
 
Sept. 20, 2020, 11 p.m. 3.9 ppb (4) 0.3 ppb (0) N/A 4.0 ppb (4) N/A N/A 54.0 ppb (42) N/A 92.0 μg/m3 (68) 81.0 μg/m3 (163) 163.0
 
Sept. 20, 2020, 10 p.m. 4.7 ppb (4) 0.5 ppb (0) N/A 4.0 ppb (4) N/A N/A 60.0 ppb (46) N/A 64.0 μg/m3 (54) 44.0 μg/m3 (121) 121.0
 
Sept. 20, 2020, 9 p.m. 5.3 ppb (5) 0.6 ppb (1) N/A 5.0 ppb (5) N/A N/A 62.0 ppb (48) N/A 47.0 μg/m3 (43) 26.0 μg/m3 (80) 80.0
 
Sept. 20, 2020, 8 p.m. 4.1 ppb (4) 0.7 ppb (1) N/A 3.0 ppb (3) N/A N/A 49.0 ppb (38) N/A 35.0 μg/m3 (32) 20.0 μg/m3 (67) 67.0
 
Sept. 20, 2020, 7 p.m. 4.6 ppb (4) 0.9 ppb (1) N/A 4.0 ppb (4) N/A N/A 45.0 ppb (35) N/A 35.0 μg/m3 (32) 18.0 μg/m3 (63) 63.0
 
Sept. 20, 2020, 6 p.m. 4.8 ppb (4) 1.1 ppb (1) N/A 4.0 ppb (4) N/A N/A 37.0 ppb (28) N/A 34.0 μg/m3 (31) 20.0 μg/m3 (67) 67.0
 
Sept. 20, 2020, 5 p.m. 4.5 ppb (4) 1.1 ppb (1) N/A 3.0 ppb (3) N/A N/A 31.0 ppb (24) N/A 42.0 μg/m3 (38) 17.0 μg/m3 (61) 61.0
 
Sept. 20, 2020, 4 p.m. 4.4 ppb (4) 1.0 ppb (1) N/A 3.0 ppb (3) N/A N/A 28.0 ppb (22) N/A 43.0 μg/m3 (39) 24.0 μg/m3 (76) 76.0
 
Sept. 20, 2020, 3 p.m. 5.2 ppb (5) 1.0 ppb (1) N/A 4.0 ppb (4) N/A N/A 22.0 ppb (17) N/A 41.0 μg/m3 (37) 24.0 μg/m3 (76) 76.0
 
Sept. 20, 2020, 2 p.m. 6.4 ppb (6) 0.7 ppb (1) N/A 6.0 ppb (6) N/A N/A 19.0 ppb (15) N/A 41.0 μg/m3 (37) 26.0 μg/m3 (80) 80.0
 
Sept. 20, 2020, 1 p.m. 5.4 ppb (5) 0.5 ppb (0) N/A 5.0 ppb (5) N/A N/A 16.0 ppb (12) N/A 41.0 μg/m3 (37) 28.0 μg/m3 (84) 84.0
 
Sept. 20, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 42.0 μg/m3 (38) 31.0 μg/m3 (90) 90.0
 
Sept. 20, 2020, 11 a.m. 4.1 ppb (4) 0.4 ppb (0) N/A 4.0 ppb (4) N/A N/A 17.0 ppb (13) N/A 42.0 μg/m3 (38) 27.0 μg/m3 (82) 82.0
 
Sept. 20, 2020, 10 a.m. 3.7 ppb (3) 0.4 ppb (0) N/A 3.0 ppb (3) N/A N/A 20.0 ppb (15) N/A 45.0 μg/m3 (41) 27.0 μg/m3 (82) 82.0
 
Sept. 20, 2020, 9 a.m. 3.3 ppb (3) 0.3 ppb (0) N/A 3.0 ppb (3) N/A N/A 24.0 ppb (18) N/A 47.0 μg/m3 (43) 29.0 μg/m3 (86) 86.0
 
Sept. 20, 2020, 8 a.m. 5.6 ppb (5) 0.4 ppb (0) N/A 5.0 ppb (5) N/A N/A 24.0 ppb (18) N/A 50.0 μg/m3 (45) 38.0 μg/m3 (106) 106.0
 
Sept. 20, 2020, 7 a.m. 9.4 ppb (9) 0.6 ppb (1) N/A 9.0 ppb (8) N/A N/A 19.0 ppb (15) N/A 63.0 μg/m3 (54) 32.0 μg/m3 (93) 93.0
 
Sept. 20, 2020, 6 a.m. 11.7 ppb (11) 1.3 ppb (1) N/A 11.0 ppb (10) N/A N/A 15.0 ppb (12) N/A 63.0 μg/m3 (54) 38.0 μg/m3 (106) 106.0
 
Sept. 20, 2020, 5 a.m. 18.8 ppb (17) 1.7 ppb (2) N/A 17.0 ppb (16) N/A N/A 8.0 ppb (6) N/A 60.0 μg/m3 (52) 37.0 μg/m3 (104) 104.0
 
Sept. 20, 2020, 4 a.m. 19.4 ppb (18) 1.1 ppb (1) N/A 18.0 ppb (17) N/A N/A 14.0 ppb (11) N/A 65.0 μg/m3 (55) 36.0 μg/m3 (101) 101.0
 
Sept. 20, 2020, 3 a.m. 18.5 ppb (17) 0.6 ppb (1) N/A 18.0 ppb (17) N/A N/A 23.0 ppb (18) N/A 71.0 μg/m3 (58) 33.0 μg/m3 (95) 95.0
 
Sept. 20, 2020, 2 a.m. 11.8 ppb (11) 0.3 ppb (0) N/A 12.0 ppb (11) N/A N/A 34.0 ppb (26) N/A 63.0 μg/m3 (54) 32.0 μg/m3 (93) 93.0
 
Sept. 20, 2020, 1 a.m. 5.9 ppb (5) 0.2 ppb (0) N/A 6.0 ppb (6) N/A N/A 42.0 ppb (32) N/A 60.0 μg/m3 (52) 32.0 μg/m3 (93) 93.0
 
Sept. 20, 2020, midnight 4.0 ppb (4) 0.4 ppb (0) N/A 4.0 ppb (4) N/A N/A 44.0 ppb (34) N/A 50.0 μg/m3 (45) 29.0 μg/m3 (86) 86.0
 
Sept. 19, 2020, 11 p.m. 4.1 ppb (4) 0.6 ppb (1) N/A 4.0 ppb (4) N/A N/A 43.0 ppb (33) N/A 40.0 μg/m3 (36) 25.0 μg/m3 (78) 78.0
 
Sept. 19, 2020, 10 p.m. 4.2 ppb (4) 0.9 ppb (1) N/A 3.0 ppb (3) N/A N/A 42.0 ppb (32) N/A 56.0 μg/m3 (50) 27.0 μg/m3 (82) 82.0
 
Sept. 19, 2020, 9 p.m. 4.4 ppb (4) 1.1 ppb (1) N/A 3.0 ppb (3) N/A N/A 41.0 ppb (32) N/A 58.0 μg/m3 (52) 21.0 μg/m3 (69) 69.0
 
Sept. 19, 2020, 8 p.m. 5.2 ppb (5) 1.3 ppb (1) N/A 4.0 ppb (4) N/A N/A 40.0 ppb (31) N/A 62.0 μg/m3 (54) 32.0 μg/m3 (93) 93.0
 
Sept. 19, 2020, 7 p.m. 5.2 ppb (5) 1.4 ppb (1) N/A 4.0 ppb (4) N/A N/A 35.0 ppb (27) N/A 75.0 μg/m3 (60) 51.0 μg/m3 (139) 139.0
 
Sept. 19, 2020, 6 p.m. 5.4 ppb (5) 1.5 ppb (1) N/A 4.0 ppb (4) N/A N/A 33.0 ppb (25) N/A 45.0 μg/m3 (41) 25.0 μg/m3 (78) 78.0
 
Sept. 19, 2020, 5 p.m. 6.1 ppb (6) 1.9 ppb (2) N/A 4.0 ppb (4) N/A N/A 28.0 ppb (22) N/A 24.0 μg/m3 (22) 13.0 μg/m3 (52) 52.0
 
Sept. 19, 2020, 4 p.m. 4.5 ppb (4) 1.8 ppb (2) N/A 3.0 ppb (3) N/A N/A 22.0 ppb (17) N/A 13.0 μg/m3 (12) 8.0 μg/m3 (33) 33.0
 
Sept. 19, 2020, 3 p.m. 2.7 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A N/A 20.0 ppb (15) N/A 16.0 μg/m3 (15) 11.0 μg/m3 (46) 46.0
 
Sept. 19, 2020, 2 p.m. 3.4 ppb (3) 0.8 ppb (1) N/A 3.0 ppb (3) N/A N/A 16.0 ppb (12) N/A 16.0 μg/m3 (15) 5.0 μg/m3 (21) 21.0
 
Sept. 19, 2020, 1 p.m. 3.2 ppb (3) 0.5 ppb (0) N/A 3.0 ppb (3) N/A N/A 15.0 ppb (12) N/A 17.0 μg/m3 (15) 8.0 μg/m3 (33) 33.0
 
Sept. 19, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (12) 8.0 μg/m3 (33) 33.0
 
Sept. 19, 2020, 11 a.m. 2.0 ppb (2) 0.3 ppb (0) N/A 2.0 ppb (2) N/A N/A 18.0 ppb (14) N/A 14.0 μg/m3 (13) 7.0 μg/m3 (29) 29.0
 
Sept. 19, 2020, 10 a.m. 1.9 ppb (2) 0.3 ppb (0) N/A 2.0 ppb (2) N/A N/A 20.0 ppb (15) N/A 18.0 μg/m3 (16) 9.0 μg/m3 (38) 38.0
 
Sept. 19, 2020, 9 a.m. 1.8 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 21.0 ppb (16) N/A 14.0 μg/m3 (13) 6.0 μg/m3 (25) 25.0
 
Sept. 19, 2020, 8 a.m. 1.6 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 22.0 ppb (17) N/A 15.0 μg/m3 (14) 7.0 μg/m3 (29) 29.0
 
Sept. 19, 2020, 7 a.m. 1.7 ppb (2) 0.1 ppb (0) N/A 2.0 ppb (2) N/A N/A 23.0 ppb (18) N/A 11.0 μg/m3 (10) 9.0 μg/m3 (38) 38.0
 
Sept. 19, 2020, 6 a.m. 1.8 ppb (2) 0.1 ppb (0) N/A 2.0 ppb (2) N/A N/A 24.0 ppb (18) N/A 15.0 μg/m3 (14) 8.0 μg/m3 (33) 33.0
 
Sept. 19, 2020, 5 a.m. 2.3 ppb (2) 0.1 ppb (0) N/A 2.0 ppb (2) N/A N/A 25.0 ppb (19) N/A 23.0 μg/m3 (21) 12.0 μg/m3 (50) 50.0
 
Sept. 19, 2020, 4 a.m. 3.3 ppb (3) 0.1 ppb (0) N/A 3.0 ppb (3) N/A N/A 26.0 ppb (20) N/A 26.0 μg/m3 (24) 5.0 μg/m3 (21) 24.0
 
Sept. 19, 2020, 3 a.m. 3.3 ppb (3) 0.1 ppb (0) N/A 3.0 ppb (3) N/A N/A 29.0 ppb (22) N/A 28.0 μg/m3 (25) 24.0 μg/m3 (76) 76.0
 
Sept. 19, 2020, 2 a.m. 4.3 ppb (4) 0.2 ppb (0) N/A 4.0 ppb (4) N/A N/A 34.0 ppb (26) N/A 30.0 μg/m3 (27) 8.0 μg/m3 (33) 33.0
 
Sept. 19, 2020, 1 a.m. 4.0 ppb (4) 0.2 ppb (0) N/A 4.0 ppb (4) N/A N/A 43.0 ppb (33) N/A 27.0 μg/m3 (25) 11.0 μg/m3 (46) 46.0
 
Sept. 19, 2020, midnight 3.7 ppb (3) 0.5 ppb (0) N/A 3.0 ppb (3) N/A N/A 44.0 ppb (34) N/A 22.0 μg/m3 (20) 12.0 μg/m3 (50) 50.0
 
Sept. 18, 2020, 11 p.m. 3.4 ppb (3) 0.8 ppb (1) N/A 3.0 ppb (3) N/A N/A 40.0 ppb (31) N/A 20.0 μg/m3 (18) 4.0 μg/m3 (17) 31.0
 
Sept. 18, 2020, 10 p.m. 3.5 ppb (3) 0.9 ppb (1) N/A 3.0 ppb (3) N/A N/A 37.0 ppb (28) N/A 18.0 μg/m3 (16) 2.0 μg/m3 (8) 28.0
 
Sept. 18, 2020, 9 p.m. 4.0 ppb (4) 1.2 ppb (1) N/A 3.0 ppb (3) N/A N/A 36.0 ppb (28) N/A 20.0 μg/m3 (18) 6.0 μg/m3 (25) 28.0
 
Sept. 18, 2020, 8 p.m. 4.8 ppb (4) 1.6 ppb (1) N/A 3.0 ppb (3) N/A N/A 32.0 ppb (25) N/A 23.0 μg/m3 (21) 9.0 μg/m3 (38) 38.0
 
Sept. 18, 2020, 7 p.m. 6.2 ppb (6) 2.4 ppb (2) N/A 4.0 ppb (4) N/A N/A 24.0 ppb (18) N/A 30.0 μg/m3 (27) 5.0 μg/m3 (21) 27.0
 
Sept. 18, 2020, 6 p.m. 5.4 ppb (5) 1.7 ppb (2) N/A 4.0 ppb (4) N/A N/A 22.0 ppb (17) N/A 21.0 μg/m3 (19) 5.0 μg/m3 (21) 21.0
 
Sept. 18, 2020, 5 p.m. 5.9 ppb (5) 2.0 ppb (2) N/A 4.0 ppb (4) N/A N/A 19.0 ppb (15) N/A 18.0 μg/m3 (16) 6.0 μg/m3 (25) 25.0
 
Sept. 18, 2020, 4 p.m. 4.8 ppb (4) 1.6 ppb (1) N/A 3.0 ppb (3) N/A N/A 17.0 ppb (13) N/A 17.0 μg/m3 (15) 6.0 μg/m3 (25) 25.0
 
Sept. 18, 2020, 3 p.m. 3.5 ppb (3) 1.0 ppb (1) N/A 3.0 ppb (3) N/A N/A 17.0 ppb (13) N/A 16.0 μg/m3 (15) 7.0 μg/m3 (29) 29.0
 
Sept. 18, 2020, 2 p.m. 3.9 ppb (4) 0.8 ppb (1) N/A 3.0 ppb (3) N/A N/A 15.0 ppb (12) N/A 15.0 μg/m3 (14) 6.0 μg/m3 (25) 25.0
 
Sept. 18, 2020, 1 p.m. 3.6 ppb (3) 0.5 ppb (0) N/A 3.0 ppb (3) N/A N/A 15.0 ppb (12) N/A 13.0 μg/m3 (12) 4.0 μg/m3 (17) 17.0
 
Sept. 18, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) 3.0 μg/m3 (12) 13.0
 
Sept. 18, 2020, 11 a.m. 1.8 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 17.0 ppb (13) N/A 16.0 μg/m3 (15) 5.0 μg/m3 (21) 21.0
 
Sept. 18, 2020, 10 a.m. 1.7 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 17.0 ppb (13) N/A 12.0 μg/m3 (11) 3.0 μg/m3 (12) 13.0
 
Sept. 18, 2020, 9 a.m. 1.5 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 19.0 ppb (15) N/A 11.0 μg/m3 (10) 0.0 μg/m3 (0) 15.0
 
Sept. 18, 2020, 8 a.m. 1.7 ppb (2) 0.1 ppb (0) N/A 2.0 ppb (2) N/A N/A 21.0 ppb (16) N/A 15.0 μg/m3 (14) 15.0 μg/m3 (56) 56.0