AQSQID: 060659001

Site Name: Lake Elsinore - W. Flint Street

Location: Lake Elsinore (N Elsinore), CA

Reporting: True, Located: True

Current AQI: 23.0

Lake Elsinore (N Elsinore) CA, US: 33.676535, -117.331027

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
April 2, 2020, 1 p.m. 2.0 ppb (2) 0.3 ppb (0) N/A 2.0 ppb (2) N/A N/A 26.0 ppb (20) 0.2 ppb (2) 14.0 μg/m3 (13) 5.6 μg/m3 (23) 23.0
 
April 2, 2020, noon 1.6 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 27.0 ppb (21) 0.2 ppb (2) 15.0 μg/m3 (14) 3.9 μg/m3 (16) 21.0
 
April 2, 2020, 11 a.m. 2.0 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 25.0 ppb (19) 0.2 ppb (2) 12.0 μg/m3 (11) 2.5 μg/m3 (10) 19.0
 
April 2, 2020, 10 a.m. 4.1 ppb (4) 0.2 ppb (0) N/A 4.0 ppb (4) N/A N/A 24.0 ppb (18) 0.21 ppb (2) 11.0 μg/m3 (10) 3.5 μg/m3 (15) 18.0
 
April 2, 2020, 9 a.m. 1.7 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 27.0 ppb (21) 0.2 ppb (2) 9.0 μg/m3 (8) 4.9 μg/m3 (20) 21.0
 
April 2, 2020, 8 a.m. 0.9 ppb (1) -0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 28.0 ppb (22) 0.19 ppb (2) 10.0 μg/m3 (9) 6.8 μg/m3 (28) 28.0
 
April 2, 2020, 7 a.m. 0.2 ppb (0) -0.2 ppb (0) N/A 0.0 ppb (0) N/A N/A 33.0 ppb (25) 0.18 ppb (2) 11.0 μg/m3 (10) 7.1 μg/m3 (30) 30.0
 
April 2, 2020, 6 a.m. 0.3 ppb (0) -0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 34.0 ppb (26) 0.18 ppb (2) 11.0 μg/m3 (10) 3.4 μg/m3 (14) 26.0
 
April 2, 2020, 5 a.m. 0.7 ppb (1) -0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 34.0 ppb (26) 0.18 ppb (2) 10.0 μg/m3 (9) 2.3 μg/m3 (10) 26.0
 
April 2, 2020, 4 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 36.0 ppb (28) 0.18 ppb (2) 12.0 μg/m3 (11) 0.9 μg/m3 (4) 28.0
 
April 2, 2020, 3 a.m. 1.0 ppb (1) -0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 36.0 ppb (28) 0.18 ppb (2) 12.0 μg/m3 (11) 1.9 μg/m3 (8) 28.0
 
April 2, 2020, 2 a.m. 1.1 ppb (1) -0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 37.0 ppb (28) 0.19 ppb (2) 14.0 μg/m3 (13) 5.8 μg/m3 (24) 28.0
 
April 2, 2020, 1 a.m. 0.6 ppb (1) -0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 47.0 ppb (36) 0.19 ppb (2) 7.0 μg/m3 (6) 5.1 μg/m3 (21) 36.0
 
April 2, 2020, midnight 0.8 ppb (1) -0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 48.0 ppb (37) 0.2 ppb (2) 11.0 μg/m3 (10) 2.4 μg/m3 (10) 37.0
 
April 1, 2020, 11 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 47.0 ppb (36) 0.2 ppb (2) 15.0 μg/m3 (14) 2.1 μg/m3 (9) 36.0
 
April 1, 2020, 10 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 51.0 ppb (39) 0.21 ppb (2) 11.0 μg/m3 (10) 0.7 μg/m3 (3) 39.0
 
April 1, 2020, 9 p.m. 1.1 ppb (1) -0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 55.0 ppb (42) 0.23 ppb (3) 8.0 μg/m3 (7) 0.9 μg/m3 (4) 42.0
 
April 1, 2020, 8 p.m. 1.3 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 55.0 ppb (42) 0.23 ppb (3) 8.0 μg/m3 (7) 3.4 μg/m3 (14) 42.0
 
April 1, 2020, 7 p.m. 1.6 ppb (1) 0.1 ppb (0) N/A 2.0 ppb (2) N/A N/A 53.0 ppb (41) 0.22 ppb (2) 1.0 μg/m3 (1) 5.5 μg/m3 (23) 41.0
 
April 1, 2020, 6 p.m. 3.4 ppb (3) 0.5 ppb (0) N/A 3.0 ppb (3) N/A N/A 47.0 ppb (36) 0.25 ppb (3) N/A 3.6 μg/m3 (15) 36.0
 
April 1, 2020, 5 p.m. 7.6 ppb (7) 2.1 ppb (2) N/A 5.0 ppb (5) N/A N/A 35.0 ppb (27) 0.28 ppb (3) N/A 2.5 μg/m3 (10) 27.0
 
April 1, 2020, 4 p.m. 12.0 ppb (11) 4.1 ppb (4) N/A 8.0 ppb (7) N/A N/A 26.0 ppb (20) 0.3 ppb (3) 19.0 μg/m3 (17) 5.1 μg/m3 (21) 21.0
 
April 1, 2020, 3 p.m. 16.8 ppb (16) 6.4 ppb (6) N/A 10.0 ppb (9) N/A N/A 17.0 ppb (13) 0.35 ppb (4) 18.0 μg/m3 (16) 4.6 μg/m3 (19) 19.0
 
April 1, 2020, 2 p.m. 21.3 ppb (20) 9.0 ppb (8) N/A 12.0 ppb (11) N/A N/A 6.0 ppb (5) 0.41 ppb (5) 23.0 μg/m3 (21) 3.7 μg/m3 (15) 21.0
 
April 1, 2020, 1 p.m. 22.1 ppb (20) 6.8 ppb (6) N/A 15.0 ppb (14) N/A N/A 5.0 ppb (4) 0.43 ppb (5) 19.0 μg/m3 (17) 6.8 μg/m3 (28) 28.0
 
April 1, 2020, noon 15.6 ppb (14) 2.9 ppb (3) N/A 13.0 ppb (12) N/A N/A 6.0 ppb (5) 0.37 ppb (4) 16.0 μg/m3 (15) 7.4 μg/m3 (31) 31.0
 
April 1, 2020, 11 a.m. 10.8 ppb (10) 1.3 ppb (1) N/A 10.0 ppb (9) N/A N/A 9.0 ppb (7) 0.32 ppb (4) 17.0 μg/m3 (15) 5.1 μg/m3 (21) 21.0
 
April 1, 2020, 10 a.m. 13.3 ppb (12) 1.3 ppb (1) N/A 12.0 ppb (11) N/A N/A 12.0 ppb (9) 0.35 ppb (4) 18.0 μg/m3 (16) 3.7 μg/m3 (15) 16.0
 
April 1, 2020, 9 a.m. 11.1 ppb (10) 1.2 ppb (1) N/A 10.0 ppb (9) N/A N/A 12.0 ppb (9) 0.34 ppb (4) 18.0 μg/m3 (16) 5.3 μg/m3 (22) 22.0
 
April 1, 2020, 8 a.m. 12.9 ppb (12) 1.1 ppb (1) N/A 12.0 ppb (11) N/A N/A 10.0 ppb (8) 0.36 ppb (4) 21.0 μg/m3 (19) 9.9 μg/m3 (41) 41.0
 
April 1, 2020, 7 a.m. 10.7 ppb (10) 0.9 ppb (1) N/A 10.0 ppb (9) N/A N/A 15.0 ppb (12) 0.34 ppb (4) 21.0 μg/m3 (19) 6.6 μg/m3 (28) 28.0
 
April 1, 2020, 6 a.m. 11.3 ppb (10) 0.8 ppb (1) N/A 11.0 ppb (10) N/A N/A 17.0 ppb (13) 0.36 ppb (4) 24.0 μg/m3 (22) 2.9 μg/m3 (12) 22.0
 
April 1, 2020, 5 a.m. 10.1 ppb (9) 0.6 ppb (1) N/A 10.0 ppb (9) N/A N/A 26.0 ppb (20) 0.35 ppb (4) 23.0 μg/m3 (21) 8.5 μg/m3 (35) 35.0
 
April 1, 2020, 4 a.m. 9.6 ppb (9) 0.4 ppb (0) N/A 9.0 ppb (8) N/A N/A 31.0 ppb (24) 0.35 ppb (4) 20.0 μg/m3 (18) 7.2 μg/m3 (30) 30.0
 
April 1, 2020, 3 a.m. 6.2 ppb (6) 0.2 ppb (0) N/A 6.0 ppb (6) N/A N/A 38.0 ppb (29) 0.3 ppb (3) 16.0 μg/m3 (15) 2.1 μg/m3 (9) 29.0
 
April 1, 2020, 2 a.m. 5.3 ppb (5) 0.1 ppb (0) N/A 5.0 ppb (5) N/A N/A 41.0 ppb (32) 0.37 ppb (4) 17.0 μg/m3 (15) 3.2 μg/m3 (13) 32.0
 
April 1, 2020, 1 a.m. 4.6 ppb (4) 0.0 ppb (0) N/A 5.0 ppb (5) N/A N/A 44.0 ppb (34) 0.3 ppb (3) 20.0 μg/m3 (18) 4.1 μg/m3 (17) 34.0
 
April 1, 2020, midnight 3.1 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A N/A 48.0 ppb (37) 0.28 ppb (3) 21.0 μg/m3 (19) 1.7 μg/m3 (7) 37.0
 
March 31, 2020, 11 p.m. 1.7 ppb (2) -0.1 ppb (0) N/A 2.0 ppb (2) N/A N/A 53.0 ppb (41) 0.25 ppb (3) 22.0 μg/m3 (20) 0.5 μg/m3 (2) 41.0
 
March 31, 2020, 10 p.m. 1.2 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 55.0 ppb (42) 0.21 ppb (2) 10.0 μg/m3 (9) 3.1 μg/m3 (13) 42.0
 
March 31, 2020, 9 p.m. 2.1 ppb (2) 0.4 ppb (0) N/A 2.0 ppb (2) N/A N/A 56.0 ppb (43) 0.2 ppb (2) 4.0 μg/m3 (4) 2.2 μg/m3 (9) 43.0
 
March 31, 2020, 8 p.m. 4.0 ppb (4) 0.9 ppb (1) N/A 3.0 ppb (3) N/A N/A 55.0 ppb (42) 0.22 ppb (2) 9.0 μg/m3 (8) 3.9 μg/m3 (16) 42.0
 
March 31, 2020, 7 p.m. 7.9 ppb (7) 1.7 ppb (2) N/A 6.0 ppb (6) N/A N/A 51.0 ppb (39) 0.26 ppb (3) 16.0 μg/m3 (15) 7.0 μg/m3 (29) 39.0
 
March 31, 2020, 6 p.m. 12.2 ppb (11) 2.9 ppb (3) N/A 9.0 ppb (8) N/A N/A 43.0 ppb (33) 0.31 ppb (3) 21.0 μg/m3 (19) 7.3 μg/m3 (30) 33.0
 
March 31, 2020, 5 p.m. 13.1 ppb (12) 3.4 ppb (3) N/A 10.0 ppb (9) N/A N/A 33.0 ppb (25) 0.34 ppb (4) 23.0 μg/m3 (21) 9.8 μg/m3 (41) 41.0
 
March 31, 2020, 4 p.m. 16.4 ppb (15) 5.7 ppb (5) N/A 11.0 ppb (10) N/A N/A 19.0 ppb (15) 0.38 ppb (4) 23.0 μg/m3 (21) 12.9 μg/m3 (52) 52.0
 
March 31, 2020, 3 p.m. 28.0 ppb (26) 11.3 ppb (10) N/A 17.0 ppb (16) N/A N/A 8.0 ppb (6) 0.48 ppb (5) 28.0 μg/m3 (25) 12.9 μg/m3 (52) 52.0
 
March 31, 2020, 2 p.m. 22.4 ppb (21) 6.4 ppb (6) N/A 16.0 ppb (15) N/A N/A 7.0 ppb (5) 0.41 ppb (5) 25.0 μg/m3 (23) 15.5 μg/m3 (57) 57.0
 
March 31, 2020, 1 p.m. 25.0 ppb (23) 6.5 ppb (6) N/A 18.0 ppb (17) N/A N/A 4.0 ppb (3) 0.44 ppb (5) 22.0 μg/m3 (20) 6.7 μg/m3 (28) 28.0
 
March 31, 2020, noon 13.3 ppb (12) 1.9 ppb (2) N/A 11.0 ppb (10) N/A N/A 6.0 ppb (5) 0.35 ppb (4) 16.0 μg/m3 (15) 8.0 μg/m3 (33) 33.0
 
March 31, 2020, 11 a.m. 12.2 ppb (11) 1.0 ppb (1) N/A 11.0 ppb (10) N/A N/A 10.0 ppb (8) 0.33 ppb (4) 16.0 μg/m3 (15) 4.7 μg/m3 (20) 20.0
 
March 31, 2020, 10 a.m. 6.7 ppb (6) 0.8 ppb (1) N/A 6.0 ppb (6) N/A N/A 18.0 ppb (14) 0.28 ppb (3) 14.0 μg/m3 (13) 2.9 μg/m3 (12) 14.0
 
March 31, 2020, 9 a.m. 6.4 ppb (6) 0.8 ppb (1) N/A 6.0 ppb (6) N/A N/A 18.0 ppb (14) 0.29 ppb (3) 16.0 μg/m3 (15) 6.9 μg/m3 (29) 29.0
 
March 31, 2020, 8 a.m. 6.4 ppb (6) 0.7 ppb (1) N/A 6.0 ppb (6) N/A N/A 19.0 ppb (15) 0.3 ppb (3) 19.0 μg/m3 (17) 8.3 μg/m3 (35) 35.0
 
March 31, 2020, 7 a.m. 10.0 ppb (9) 0.7 ppb (1) N/A 9.0 ppb (8) N/A N/A 19.0 ppb (15) 0.34 ppb (4) 22.0 μg/m3 (20) 6.1 μg/m3 (25) 25.0
 
March 31, 2020, 6 a.m. 8.2 ppb (8) 0.7 ppb (1) N/A 8.0 ppb (7) N/A N/A 23.0 ppb (18) 0.31 ppb (3) 24.0 μg/m3 (22) 5.1 μg/m3 (21) 22.0
 
March 31, 2020, 5 a.m. 10.3 ppb (10) 0.4 ppb (0) N/A 10.0 ppb (9) N/A N/A 29.0 ppb (22) 0.31 ppb (3) 27.0 μg/m3 (25) 5.0 μg/m3 (21) 25.0
 
March 31, 2020, 4 a.m. 11.9 ppb (11) 0.4 ppb (0) N/A 12.0 ppb (11) N/A N/A 29.0 ppb (22) 0.35 ppb (4) 25.0 μg/m3 (23) 8.2 μg/m3 (34) 34.0
 
March 31, 2020, 3 a.m. 8.7 ppb (8) 0.2 ppb (0) N/A 9.0 ppb (8) N/A N/A 37.0 ppb (28) 0.31 ppb (3) 23.0 μg/m3 (21) 7.7 μg/m3 (32) 32.0
 
March 31, 2020, 2 a.m. 4.5 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A N/A 48.0 ppb (37) 0.28 ppb (3) 26.0 μg/m3 (24) 3.9 μg/m3 (16) 37.0
 
March 31, 2020, 1 a.m. 2.9 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A N/A 53.0 ppb (41) 0.26 ppb (3) 18.0 μg/m3 (16) 4.2 μg/m3 (18) 41.0
 
March 31, 2020, midnight 1.8 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 55.0 ppb (42) 0.24 ppb (3) 33.0 μg/m3 (30) 3.9 μg/m3 (16) 42.0
 
March 30, 2020, 11 p.m. 0.8 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 54.0 ppb (42) 0.2 ppb (2) 15.0 μg/m3 (14) 2.2 μg/m3 (9) 42.0
 
March 30, 2020, 10 p.m. 0.9 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 53.0 ppb (41) 0.19 ppb (2) 7.0 μg/m3 (6) 1.7 μg/m3 (7) 41.0
 
March 30, 2020, 9 p.m. 1.3 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A 52.0 ppb (40) 0.19 ppb (2) 8.0 μg/m3 (7) 3.4 μg/m3 (14) 40.0
 
March 30, 2020, 8 p.m. 2.0 ppb (2) 0.5 ppb (0) N/A 1.0 ppb (1) N/A N/A 49.0 ppb (38) 0.2 ppb (2) 12.0 μg/m3 (11) 1.4 μg/m3 (6) 38.0
 
March 30, 2020, 7 p.m. 2.7 ppb (3) 0.9 ppb (1) N/A 2.0 ppb (2) N/A N/A 45.0 ppb (35) 0.19 ppb (2) 13.0 μg/m3 (12) 1.3 μg/m3 (5) 35.0
 
March 30, 2020, 6 p.m. 2.2 ppb (2) 0.9 ppb (1) N/A 1.0 ppb (1) N/A N/A 44.0 ppb (34) 0.19 ppb (2) 10.0 μg/m3 (9) 4.2 μg/m3 (18) 34.0
 
March 30, 2020, 5 p.m. 5.1 ppb (5) 2.0 ppb (2) N/A 3.0 ppb (3) N/A N/A 33.0 ppb (25) 0.23 ppb (3) 9.0 μg/m3 (8) 6.4 μg/m3 (27) 27.0
 
March 30, 2020, 4 p.m. 6.7 ppb (6) 2.7 ppb (3) N/A 4.0 ppb (4) N/A N/A 25.0 ppb (19) 0.26 ppb (3) 10.0 μg/m3 (9) 4.5 μg/m3 (19) 19.0
 
March 30, 2020, 3 p.m. 14.0 ppb (13) 5.2 ppb (5) N/A 9.0 ppb (8) N/A N/A 15.0 ppb (12) 0.37 ppb (4) 13.0 μg/m3 (12) 2.3 μg/m3 (10) 13.0
 
March 30, 2020, 2 p.m. 22.4 ppb (21) 12.3 ppb (11) N/A 10.0 ppb (9) N/A N/A 16.0 ppb (12) 0.33 ppb (4) 7.0 μg/m3 (6) 5.9 μg/m3 (25) 25.0
 
March 30, 2020, 1 p.m. 11.0 ppb (10) 1.0 ppb (1) N/A 10.0 ppb (9) N/A N/A 14.0 ppb (11) 0.31 ppb (3) 11.0 μg/m3 (10) 5.2 μg/m3 (22) 22.0
 
March 30, 2020, noon 8.4 ppb (8) 0.7 ppb (1) N/A 8.0 ppb (7) N/A N/A 14.0 ppb (11) 0.27 ppb (3) 12.0 μg/m3 (11) 2.7 μg/m3 (11) 11.0
 
March 30, 2020, 11 a.m. 6.8 ppb (6) 0.9 ppb (1) N/A 6.0 ppb (6) N/A N/A 11.0 ppb (8) 0.26 ppb (3) 11.0 μg/m3 (10) 3.2 μg/m3 (13) 13.0
 
March 30, 2020, 10 a.m. 3.5 ppb (3) 0.5 ppb (0) N/A 3.0 ppb (3) N/A N/A 15.0 ppb (12) 0.26 ppb (3) 11.0 μg/m3 (10) 2.8 μg/m3 (12) 12.0
 
March 30, 2020, 9 a.m. 3.4 ppb (3) 0.5 ppb (0) N/A 3.0 ppb (3) N/A N/A 18.0 ppb (14) 0.24 ppb (3) 9.0 μg/m3 (8) 2.2 μg/m3 (9) 14.0
 
March 30, 2020, 8 a.m. 2.7 ppb (3) 0.6 ppb (1) N/A 2.0 ppb (2) N/A N/A 23.0 ppb (18) 0.23 ppb (3) 10.0 μg/m3 (9) 2.2 μg/m3 (9) 18.0
 
March 30, 2020, 7 a.m. 3.6 ppb (3) 0.4 ppb (0) N/A 3.0 ppb (3) N/A N/A 28.0 ppb (22) 0.25 ppb (3) 12.0 μg/m3 (11) 3.0 μg/m3 (12) 22.0
 
March 30, 2020, 6 a.m. 2.9 ppb (3) 0.4 ppb (0) N/A 3.0 ppb (3) N/A N/A 31.0 ppb (24) 0.25 ppb (3) 11.0 μg/m3 (10) 3.5 μg/m3 (15) 24.0
 
March 30, 2020, 5 a.m. 4.6 ppb (4) 0.4 ppb (0) N/A 4.0 ppb (4) N/A N/A 30.0 ppb (23) 0.26 ppb (3) 11.0 μg/m3 (10) -0.2 μg/m3 (0) 23.0
 
March 30, 2020, 4 a.m. 2.4 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 36.0 ppb (28) 0.23 ppb (3) 12.0 μg/m3 (11) 0.3 μg/m3 (1) 28.0
 
March 30, 2020, 3 a.m. 1.2 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 43.0 ppb (33) 0.21 ppb (2) 11.0 μg/m3 (10) 2.4 μg/m3 (10) 33.0
 
March 30, 2020, 2 a.m. 1.0 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 45.0 ppb (35) 0.21 ppb (2) 12.0 μg/m3 (11) 5.6 μg/m3 (23) 35.0
 
March 30, 2020, 1 a.m. 0.9 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 49.0 ppb (38) 0.2 ppb (2) 14.0 μg/m3 (13) 8.2 μg/m3 (34) 38.0
 
March 30, 2020, midnight 0.6 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 48.0 ppb (37) 0.2 ppb (2) 15.0 μg/m3 (14) 7.0 μg/m3 (29) 37.0
 
March 29, 2020, 11 p.m. 0.4 ppb (0) 0.1 ppb (0) N/A 0.0 ppb (0) N/A N/A 49.0 ppb (38) 0.2 ppb (2) 12.0 μg/m3 (11) 8.7 μg/m3 (36) 38.0
 
March 29, 2020, 10 p.m. 0.3 ppb (0) 0.2 ppb (0) N/A 0.0 ppb (0) N/A N/A 46.0 ppb (35) 0.2 ppb (2) 13.0 μg/m3 (12) 6.8 μg/m3 (28) 35.0
 
March 29, 2020, 9 p.m. 0.4 ppb (0) 0.1 ppb (0) N/A 0.0 ppb (0) N/A N/A 47.0 ppb (36) 0.19 ppb (2) 15.0 μg/m3 (14) 3.4 μg/m3 (14) 36.0
 
March 29, 2020, 8 p.m. 0.3 ppb (0) 0.2 ppb (0) N/A 0.0 ppb (0) N/A N/A 46.0 ppb (35) 0.18 ppb (2) 10.0 μg/m3 (9) 2.8 μg/m3 (12) 35.0
 
March 29, 2020, 7 p.m. 0.4 ppb (0) 0.3 ppb (0) N/A 0.0 ppb (0) N/A N/A 46.0 ppb (35) 0.18 ppb (2) 10.0 μg/m3 (9) 3.4 μg/m3 (14) 35.0
 
March 29, 2020, 6 p.m. 0.5 ppb (0) 0.3 ppb (0) N/A 0.0 ppb (0) N/A N/A 45.0 ppb (35) 0.18 ppb (2) 5.0 μg/m3 (5) 4.4 μg/m3 (18) 35.0
 
March 29, 2020, 5 p.m. 1.6 ppb (1) 0.7 ppb (1) N/A 1.0 ppb (1) N/A N/A 39.0 ppb (30) 0.21 ppb (2) 10.0 μg/m3 (9) 8.3 μg/m3 (35) 35.0
 
March 29, 2020, 4 p.m. 2.4 ppb (2) 1.1 ppb (1) N/A 1.0 ppb (1) N/A N/A 30.0 ppb (23) 0.23 ppb (3) 10.0 μg/m3 (9) 10.2 μg/m3 (42) 42.0
 
March 29, 2020, 3 p.m. 3.0 ppb (3) 1.3 ppb (1) N/A 2.0 ppb (2) N/A N/A 24.0 ppb (18) 0.25 ppb (3) 15.0 μg/m3 (14) 5.4 μg/m3 (23) 23.0
 
March 29, 2020, 2 p.m. 5.2 ppb (5) 1.8 ppb (2) N/A 3.0 ppb (3) N/A N/A 12.0 ppb (9) 0.27 ppb (3) 13.0 μg/m3 (12) 2.7 μg/m3 (11) 12.0
 
March 29, 2020, 1 p.m. 5.0 ppb (5) 0.7 ppb (1) N/A 4.0 ppb (4) N/A N/A 12.0 ppb (9) 0.27 ppb (3) 11.0 μg/m3 (10) 4.7 μg/m3 (20) 20.0
 
March 29, 2020, noon 5.4 ppb (5) 0.6 ppb (1) N/A 5.0 ppb (5) N/A N/A 12.0 ppb (9) 0.3 ppb (3) 12.0 μg/m3 (11) 6.2 μg/m3 (26) 26.0
 
March 29, 2020, 11 a.m. 4.0 ppb (4) 0.7 ppb (1) N/A 3.0 ppb (3) N/A N/A 14.0 ppb (11) 0.27 ppb (3) 11.0 μg/m3 (10) 7.4 μg/m3 (31) 31.0
 
March 29, 2020, 10 a.m. 4.7 ppb (4) 0.6 ppb (1) N/A 4.0 ppb (4) N/A N/A 12.0 ppb (9) 0.29 ppb (3) 12.0 μg/m3 (11) 7.8 μg/m3 (32) 32.0
 
March 29, 2020, 9 a.m. 4.3 ppb (4) 0.6 ppb (1) N/A 4.0 ppb (4) N/A N/A 14.0 ppb (11) 0.29 ppb (3) 14.0 μg/m3 (13) 6.0 μg/m3 (25) 25.0
 
March 29, 2020, 8 a.m. 4.4 ppb (4) 0.5 ppb (0) N/A 4.0 ppb (4) N/A N/A 18.0 ppb (14) 0.31 ppb (3) 15.0 μg/m3 (14) 2.7 μg/m3 (11) 14.0
 
March 29, 2020, 7 a.m. 4.2 ppb (4) 0.5 ppb (0) N/A 4.0 ppb (4) N/A N/A 22.0 ppb (17) 0.28 ppb (3) 16.0 μg/m3 (15) -0.9 μg/m3 (0) 17.0
 
March 29, 2020, 6 a.m. 2.6 ppb (2) 0.4 ppb (0) N/A 2.0 ppb (2) N/A N/A 32.0 ppb (25) 0.25 ppb (3) 12.0 μg/m3 (11) -0.4 μg/m3 (0) 25.0
 
March 29, 2020, 5 a.m. 3.9 ppb (4) 0.4 ppb (0) N/A 3.0 ppb (3) N/A N/A 31.0 ppb (24) 0.28 ppb (3) 14.0 μg/m3 (13) 3.7 μg/m3 (15) 24.0
 
March 29, 2020, 4 a.m. 3.3 ppb (3) 0.3 ppb (0) N/A 3.0 ppb (3) N/A N/A 34.0 ppb (26) 0.26 ppb (3) 17.0 μg/m3 (15) 5.3 μg/m3 (22) 26.0
 
March 29, 2020, 3 a.m. 1.9 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 42.0 ppb (32) 0.23 ppb (3) 13.0 μg/m3 (12) 3.6 μg/m3 (15) 32.0
 
March 29, 2020, 2 a.m. 1.2 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 45.0 ppb (35) 0.22 ppb (2) 12.0 μg/m3 (11) 2.1 μg/m3 (9) 35.0
 
March 29, 2020, 1 a.m. 0.6 ppb (1) -0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 46.0 ppb (35) 0.2 ppb (2) 13.0 μg/m3 (12) 2.6 μg/m3 (11) 35.0
 
March 29, 2020, midnight 0.5 ppb (0) -0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 48.0 ppb (37) 0.21 ppb (2) 12.0 μg/m3 (11) 6.3 μg/m3 (26) 37.0
 
March 28, 2020, 11 p.m. 0.3 ppb (0) -0.1 ppb (0) N/A 0.0 ppb (0) N/A N/A 46.0 ppb (35) 0.21 ppb (2) 13.0 μg/m3 (12) 6.2 μg/m3 (26) 35.0
 
March 28, 2020, 10 p.m. 0.2 ppb (0) -0.1 ppb (0) N/A 0.0 ppb (0) N/A N/A 46.0 ppb (35) 0.2 ppb (2) 13.0 μg/m3 (12) 2.2 μg/m3 (9) 35.0
 
March 28, 2020, 9 p.m. 0.4 ppb (0) 0.1 ppb (0) N/A 0.0 ppb (0) N/A N/A 45.0 ppb (35) 0.19 ppb (2) 12.0 μg/m3 (11) 3.9 μg/m3 (16) 35.0
 
March 28, 2020, 8 p.m. 0.4 ppb (0) 0.2 ppb (0) N/A 0.0 ppb (0) N/A N/A 47.0 ppb (36) 0.18 ppb (2) 6.0 μg/m3 (5) 4.6 μg/m3 (19) 36.0
 
March 28, 2020, 7 p.m. 0.4 ppb (0) 0.3 ppb (0) N/A 0.0 ppb (0) N/A N/A 47.0 ppb (36) 0.18 ppb (2) 4.0 μg/m3 (4) 1.1 μg/m3 (5) 36.0
 
March 28, 2020, 6 p.m. 1.5 ppb (1) 0.5 ppb (0) N/A 1.0 ppb (1) N/A N/A 45.0 ppb (35) 0.2 ppb (2) 3.0 μg/m3 (3) 3.0 μg/m3 (12) 35.0
 
March 28, 2020, 5 p.m. 2.5 ppb (2) 0.8 ppb (1) N/A 2.0 ppb (2) N/A N/A 39.0 ppb (30) 0.22 ppb (2) 9.0 μg/m3 (8) 6.1 μg/m3 (25) 30.0
 
March 28, 2020, 4 p.m. 2.6 ppb (2) 1.0 ppb (1) N/A 2.0 ppb (2) N/A N/A 34.0 ppb (26) 0.23 ppb (3) 6.0 μg/m3 (5) 5.2 μg/m3 (22) 26.0
 
March 28, 2020, 3 p.m. 10.0 ppb (9) 3.9 ppb (4) N/A 6.0 ppb (6) N/A N/A 21.0 ppb (16) 0.3 ppb (3) 12.0 μg/m3 (11) 3.6 μg/m3 (15) 16.0
 
March 28, 2020, 2 p.m. 15.2 ppb (14) 5.8 ppb (5) N/A 9.0 ppb (8) N/A N/A 7.0 ppb (5) 0.35 ppb (4) 13.0 μg/m3 (12) 0.6 μg/m3 (2) 14.0
 
March 28, 2020, 1 p.m. 8.5 ppb (8) 1.4 ppb (1) N/A 7.0 ppb (6) N/A N/A 8.0 ppb (6) 0.27 ppb (3) 7.0 μg/m3 (6) -0.2 μg/m3 (0) 8.0
 
March 28, 2020, noon 6.8 ppb (6) 1.1 ppb (1) N/A 6.0 ppb (6) N/A N/A 11.0 ppb (8) 0.26 ppb (3) 6.0 μg/m3 (5) 2.8 μg/m3 (12) 12.0
 
March 28, 2020, 11 a.m. 4.5 ppb (4) 0.5 ppb (0) N/A 4.0 ppb (4) N/A N/A 12.0 ppb (9) 0.26 ppb (3) 7.0 μg/m3 (6) 4.9 μg/m3 (20) 20.0
 
March 28, 2020, 10 a.m. 5.0 ppb (5) 0.6 ppb (1) N/A 4.0 ppb (4) N/A N/A 13.0 ppb (10) 0.27 ppb (3) 7.0 μg/m3 (6) 4.2 μg/m3 (18) 18.0
 
March 28, 2020, 9 a.m. 5.3 ppb (5) 0.6 ppb (1) N/A 5.0 ppb (5) N/A N/A 15.0 ppb (12) 0.28 ppb (3) 9.0 μg/m3 (8) 1.7 μg/m3 (7) 12.0
 
March 28, 2020, 8 a.m. 5.3 ppb (5) 0.6 ppb (1) N/A 5.0 ppb (5) N/A N/A 16.0 ppb (12) 0.27 ppb (3) 10.0 μg/m3 (9) -2.2 μg/m3 (0) 12.0
 
March 28, 2020, 7 a.m. 5.3 ppb (5) 0.4 ppb (0) N/A 5.0 ppb (5) N/A N/A 19.0 ppb (15) 0.29 ppb (3) 11.0 μg/m3 (10) 1.0 μg/m3 (4) 15.0
 
March 28, 2020, 6 a.m. 4.5 ppb (4) 0.5 ppb (0) N/A 4.0 ppb (4) N/A N/A 21.0 ppb (16) 0.27 ppb (3) 10.0 μg/m3 (9) 3.4 μg/m3 (14) 16.0
 
March 28, 2020, 5 a.m. 7.1 ppb (7) 0.4 ppb (0) N/A 7.0 ppb (6) N/A N/A 23.0 ppb (18) 0.3 ppb (3) 10.0 μg/m3 (9) -1.1 μg/m3 (0) 18.0
 
March 28, 2020, 4 a.m. 4.1 ppb (4) 0.2 ppb (0) N/A 4.0 ppb (4) N/A N/A 34.0 ppb (26) 0.27 ppb (3) 10.0 μg/m3 (9) -0.7 μg/m3 (0) 26.0
 
March 28, 2020, 3 a.m. 1.5 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 43.0 ppb (33) 0.22 ppb (2) 9.0 μg/m3 (8) -1.0 μg/m3 (0) 33.0
 
March 28, 2020, 2 a.m. 0.8 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 45.0 ppb (35) 0.2 ppb (2) 8.0 μg/m3 (7) -1.0 μg/m3 (0) 35.0
 
March 28, 2020, 1 a.m. 0.5 ppb (0) -0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 47.0 ppb (36) 0.2 ppb (2) 8.0 μg/m3 (7) -0.5 μg/m3 (0) 36.0
 
March 28, 2020, midnight 0.5 ppb (0) -0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 47.0 ppb (36) 0.2 ppb (2) 8.0 μg/m3 (7) 0.0 μg/m3 (0) 36.0
 
March 27, 2020, 11 p.m. 0.7 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 48.0 ppb (37) 0.2 ppb (2) 9.0 μg/m3 (8) -2.4 μg/m3 (0) 37.0
 
March 27, 2020, 10 p.m. 1.9 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 47.0 ppb (36) 0.21 ppb (2) 11.0 μg/m3 (10) -1.1 μg/m3 (0) 36.0
 
March 27, 2020, 9 p.m. 0.7 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 47.0 ppb (36) 0.19 ppb (2) N/A N/A 36.0
 
March 27, 2020, 8 p.m. -0.4 ppb (0) -0.2 ppb (0) N/A 0.0 ppb (0) N/A N/A 46.0 ppb (35) 0.17 ppb (2) N/A N/A 35.0
 
March 27, 2020, 7 p.m. -0.4 ppb (0) -0.2 ppb (0) N/A 0.0 ppb (0) N/A N/A 44.0 ppb (34) 0.16 ppb (2) N/A N/A 34.0
 
March 27, 2020, 6 p.m. -0.5 ppb (0) -0.3 ppb (0) N/A 0.0 ppb (0) N/A N/A 42.0 ppb (32) 0.15 ppb (2) N/A N/A 32.0
 
March 27, 2020, 5 p.m. 1.0 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 39.0 ppb (30) 0.19 ppb (2) N/A N/A 30.0
 
March 27, 2020, 4 p.m. 3.4 ppb (3) 1.1 ppb (1) N/A 2.0 ppb (2) N/A N/A 31.0 ppb (24) 0.21 ppb (2) 5.0 μg/m3 (5) -1.2 μg/m3 (0) 24.0
 
March 27, 2020, 3 p.m. 7.7 ppb (7) 2.6 ppb (2) N/A 5.0 ppb (5) N/A N/A 20.0 ppb (15) 0.26 ppb (3) 8.0 μg/m3 (7) -2.7 μg/m3 (0) 15.0
 
March 27, 2020, 2 p.m. 16.6 ppb (15) 5.5 ppb (5) N/A 11.0 ppb (10) N/A N/A 8.0 ppb (6) 0.35 ppb (4) 12.0 μg/m3 (11) -0.6 μg/m3 (0) 15.0
 
March 27, 2020, 1 p.m. 13.0 ppb (12) 1.1 ppb (1) N/A 12.0 ppb (11) N/A N/A 9.0 ppb (7) 0.3 ppb (3) 7.0 μg/m3 (6) 0.4 μg/m3 (2) 12.0
 
March 27, 2020, noon 10.4 ppb (10) 0.8 ppb (1) N/A 10.0 ppb (9) N/A N/A 10.0 ppb (8) 0.25 ppb (3) 5.0 μg/m3 (5) 1.5 μg/m3 (6) 10.0
 
March 27, 2020, 11 a.m. 4.2 ppb (4) 0.2 ppb (0) N/A 4.0 ppb (4) N/A N/A 20.0 ppb (15) 0.23 ppb (3) 6.0 μg/m3 (5) 2.3 μg/m3 (10) 15.0
 
March 27, 2020, 10 a.m. 4.4 ppb (4) 0.4 ppb (0) N/A 4.0 ppb (4) N/A N/A 22.0 ppb (17) 0.22 ppb (2) 5.0 μg/m3 (5) 2.8 μg/m3 (12) 17.0
 
March 27, 2020, 9 a.m. 4.9 ppb (5) 0.3 ppb (0) N/A 5.0 ppb (5) N/A N/A 22.0 ppb (17) 0.21 ppb (2) 6.0 μg/m3 (5) 2.8 μg/m3 (12) 17.0
 
March 27, 2020, 8 a.m. 3.7 ppb (3) 0.3 ppb (0) N/A 3.0 ppb (3) N/A N/A 25.0 ppb (19) 0.21 ppb (2) 6.0 μg/m3 (5) -3.7 μg/m3 (0) 19.0
 
March 27, 2020, 7 a.m. 1.9 ppb (2) 0.3 ppb (0) N/A 2.0 ppb (2) N/A N/A 32.0 ppb (25) 0.21 ppb (2) 7.0 μg/m3 (6) N/A 25.0
 
March 27, 2020, 6 a.m. 2.8 ppb (3) 0.2 ppb (0) N/A 3.0 ppb (3) N/A N/A 29.0 ppb (22) 0.22 ppb (2) 8.0 μg/m3 (7) -1.9 μg/m3 (0) 22.0
 
March 27, 2020, 5 a.m. 0.7 ppb (1) 0.2 ppb (0) N/A 0.0 ppb (0) N/A N/A 38.0 ppb (29) 0.2 ppb (2) 7.0 μg/m3 (6) -3.4 μg/m3 (0) 29.0
 
March 27, 2020, 4 a.m. 0.2 ppb (0) 0.2 ppb (0) N/A 0.0 ppb (0) N/A N/A 40.0 ppb (31) 0.2 ppb (2) 7.0 μg/m3 (6) -4.7 μg/m3 (0) 31.0
 
March 27, 2020, 3 a.m. 0.1 ppb (0) 0.2 ppb (0) N/A 0.0 ppb (0) N/A N/A 40.0 ppb (31) 0.2 ppb (2) 6.0 μg/m3 (5) -4.9 μg/m3 (0) 31.0
 
March 27, 2020, 2 a.m. 0.4 ppb (0) 0.2 ppb (0) N/A 0.0 ppb (0) N/A N/A 40.0 ppb (31) 0.2 ppb (2) 7.0 μg/m3 (6) -3.1 μg/m3 (0) 31.0
 
March 27, 2020, 1 a.m. 0.1 ppb (0) 0.1 ppb (0) N/A 0.0 ppb (0) N/A N/A 40.0 ppb (31) 0.19 ppb (2) 6.0 μg/m3 (5) -1.4 μg/m3 (0) 31.0
 
March 27, 2020, midnight -0.3 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 41.0 ppb (32) 0.2 ppb (2) 9.0 μg/m3 (8) -1.6 μg/m3 (0) 32.0
 
March 26, 2020, 11 p.m. -0.4 ppb (0) -0.1 ppb (0) N/A 0.0 ppb (0) N/A N/A 44.0 ppb (34) 0.19 ppb (2) 7.0 μg/m3 (6) -3.5 μg/m3 (0) 34.0
 
March 26, 2020, 10 p.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 47.0 ppb (36) 0.19 ppb (2) 6.0 μg/m3 (5) -3.9 μg/m3 (0) 36.0
 
March 26, 2020, 9 p.m. 1.4 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A 47.0 ppb (36) 0.19 ppb (2) 9.0 μg/m3 (8) -1.1 μg/m3 (0) 36.0
 
March 26, 2020, 8 p.m. 1.3 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A 45.0 ppb (35) 0.18 ppb (2) 7.0 μg/m3 (6) -2.0 μg/m3 (0) 35.0
 
March 26, 2020, 7 p.m. 0.2 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 45.0 ppb (35) 0.16 ppb (2) 4.0 μg/m3 (4) 1.0 μg/m3 (4) 35.0
 
March 26, 2020, 6 p.m. 0.5 ppb (0) 0.1 ppb (0) N/A 0.0 ppb (0) N/A N/A 44.0 ppb (34) 0.17 ppb (2) 5.0 μg/m3 (5) N/A 34.0
 
March 26, 2020, 5 p.m. 0.4 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 43.0 ppb (33) 0.17 ppb (2) 6.0 μg/m3 (5) N/A 33.0
 
March 26, 2020, 4 p.m. 1.7 ppb (2) 0.6 ppb (1) N/A 1.0 ppb (1) N/A N/A 40.0 ppb (31) 0.19 ppb (2) 5.0 μg/m3 (5) N/A 31.0
 
March 26, 2020, 3 p.m. 5.2 ppb (5) 1.3 ppb (1) N/A 4.0 ppb (4) N/A N/A 34.0 ppb (26) 0.25 ppb (3) 7.0 μg/m3 (6) 1.8 μg/m3 (8) 26.0
 
March 26, 2020, 2 p.m. 18.7 ppb (17) 3.4 ppb (3) N/A 15.0 ppb (14) N/A N/A 17.0 ppb (13) 0.35 ppb (4) 11.0 μg/m3 (10) 2.5 μg/m3 (10) 17.0